Wastewater treatment device based on high-altitude tunnel construction in water source protection area and its use method
A multi-stage wastewater treatment system for high-altitude tunnel construction addresses the challenge of treating wastewater in water source protection areas by employing anaerobic and aerobic processes, sludge sedimentation, and disinfection, ensuring effective treatment and reuse.
Patent Information
- Application Number
- JP2025057189
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2024-09-04
- Filing Date
- 2025-03-28
- Publication Date
- 2025-09-11
- Estimated Expiration
- 2045-03-28
AI Technical Summary
The challenge of effectively treating and reusing wastewater generated during high-altitude tunnel construction in water source protection areas, particularly in cold regions, where timely treatment is necessary to avoid disrupting construction processes.
A multi-stage wastewater treatment system comprising an anaerobic tank, aerobic tank, sludge tank, and filtration tank, with additional units for sludge return, vibration, chlorine dioxide injection, and aeration, along with a collection unit, to facilitate wastewater treatment and reuse.
The system enables efficient anaerobic and aerobic treatment, sludge sedimentation, and disinfection, allowing for the reuse of treated wastewater while preventing sludge clumping and enhancing disinfection efficiency through chlorine dioxide injection and aeration.
Smart Images

Figure 0007738207000001_ABST
Abstract
Description
[Technical Field]
[0001] The present invention relates to the technical field of wastewater treatment equipment for high-altitude tunnel construction, and particularly to a wastewater treatment equipment and its use method based on high-altitude tunnel construction in water source protection areas. [Background technology]
[0002] When constructing railway and road tunnels in high altitude and cold areas of water source protection zones, it is necessary to first excavate the hole. The hole excavation should be carried out based on the design scheme and construction drawings, and the appropriate excavation method and equipment should be selected. After the hole excavation, the tunnel excavation work should be carried out. During the excavation of the main tunnel, construction manufacturing wastewater will be generated, and tunnel water will spring out during the tunnel excavation.
[0003] It is necessary to treat wastewater generated inside the tunnel in a timely manner, and if it is not treated in a timely manner, it will affect subsequent construction work. Therefore, how to treat wastewater in high-altitude tunnels and how to carry out staged treatment and wastewater re-recovery during the wastewater treatment process have become technical issues that need to be resolved as soon as possible.
[0004] The present invention alleviates or at least mitigates such problems and deficiencies by providing a new or otherwise improved high altitude tunnelling wastewater treatment system. Summary of the Invention [Problem to be solved by the invention]
[0005] In response to one or more of the above-mentioned deficiencies or improvement needs of the prior art, the present invention provides a wastewater treatment device and a method for using the same based on high-altitude tunnel construction in water source protection areas, which has the advantages of being easy to treat wastewater generated in high-altitude tunnels, capable of multi-stage treatment, and allowing wastewater to be reused.
[0006] In order to achieve the above object, the present invention provides a sewage treatment device based on high-altitude tunnel construction in a water source protection area, a connecting machine frame; a sewage treatment unit provided on the connecting machine frame, the sewage treatment unit comprising an anaerobic tank, an aerobic tank connected to the anaerobic tank, a sludge tank connected to the aerobic tank, and a filtration tank connected to the sludge tank, with removable elastic plates attached to the bottom of both inner walls of the filtration tank, whereby the aerobic tank and the bottom of the sludge tank are connected to each other, and the sludge tank and the bottom of the filtration tank are connected to each other; a liquid injection and mixing unit adjacent to one side of the wastewater treatment unit and communicating with the anaerobic tank for injecting and mixing liquid into the suctioned wastewater; a sludge return unit that is detachably provided in the aerobic tank and that returns sludge in the sludge tank to the anaerobic tank; a plurality of sludge vibration units removably provided in the filter tank for vibrating elastic plates in the filter tank to perform sludge removal work; a chlorine dioxide supply member that is detachably provided on the connection machine frame and that injects chlorine dioxide liquid into the filtration tank to purify the liquid in the filtration tank; a chlorine dioxide concentration detection member that is detachably provided in the filtration tank and that detects the concentration of the chlorine dioxide liquid in the filtration tank; an aeration unit that is detachably provided on the connection machine frame and that performs an aeration operation on the filtration tank; and a collection unit provided on the other side of the sewage treatment unit for recovering the liquid in the filter tank.
[0007] As a further improvement of the present invention, a first suction pump is removably provided on one side of the anaerobic tank, the first suction pump communicating with the liquid feeding and mixing unit and the anaerobic tank, respectively, for sucking the liquid in the liquid feeding and mixing unit into the anaerobic tank; a second suction pump is removably provided on one side of the aerobic tank, the second suction pump communicating with the anaerobic tank and the aerobic tank, respectively, for sucking the liquid in the anaerobic tank into the aerobic tank; a third suction pump is removably provided on one side of the filtration tank, the third suction pump communicating with the aerobic tank and the filtration tank, respectively, for sucking the liquid in the aerobic tank into the filtration tank; and a filtration net cover plate is removably provided within the filtration tank, the filtration net cover plate being made up of a plurality of subplates connected to each other, with a gap between two subplates, and a filtration net being removably provided on each subplate.
[0008] As a further improvement of the present invention, the liquid input and mixing unit comprises: a liquid input mixing vessel adjacent to one side of the wastewater treatment unit and having a removable cover on top; a first drive motor removably mounted on the cover, with an output end passing through the cover and with a stirring rod attached to the output end; a screw stirring blade removably provided on the stirring rod and arranged along the longitudinal direction of the stirring rod; The stirring rod is removably provided with a plurality of sets of horizontal bars located on one side of the screw stirring blade, and one oblique stirring blade is removably provided at each end of the horizontal bars, and the oblique stirring blade and the stirring rod are provided at an angle; a liquid introduction pipe removably provided at one end of the liquid introduction mixing container and connected to the liquid introduction mixing container; a fourth suction pump removably provided on the liquid introduction pipe, and the fourth suction pump and the liquid introduction pipe connected to each other; a liquid discharge pipe that is detachably provided at the other end of the liquid input mixing container and communicates with the liquid input mixing container, and the other end of the liquid discharge pipe is communicated with the first suction pump; Here, when the output end of the first drive motor is output, the screw stirring blade is moved and rotated, and the oblique stirring blade is moved and rotated synchronously, thereby performing liquid injection and mixing work on the sucked wastewater.
[0009] As a further improvement of the present invention, the sludge reflux unit comprises: a support frame removably provided in the aerobic tank; a sludge reflux pump removably provided on the support frame; a first sludge suction pipe removably attached to one suction end of the sludge reflux pump and extending into the bottom of the sludge tank; a second sludge suction pipe that is detachably attached to the other suction end of the sludge reflux pump, that penetrates into the bottom of the anaerobic tank, that has a length smaller than that of the first sludge suction pipe, and that has a detachable electronic valve; When the output end of the sludge reflux pump outputs, the sludge in the sludge tank is refluxed into the anaerobic tank.
[0010] As a further improvement of the present invention, the sludge vibrating unit comprises: a vibration base removably provided at the bottom of the sludge tank; a support arm detachably mounted on the vibration base; a second drive motor detachably mounted on the support arm, the output end of the second drive motor passing through the support arm; a drive wheel removably provided on an output end of the second drive motor; and an insert rod removably provided on a disk surface of the drive wheel; A plurality of sets of roll brushes are detachably mounted on the drive wheel, and the distance from each set of roll brushes to the center point of the drive wheel is the same; a left side base detachably provided on the vibration base; a right-side base detachably provided on the vibration base; a vibration rod slidably mounted in the left and right bases, a left push block removably mounted on one end of the vibration rod, and a right push block removably mounted on the other end of the vibration rod; an internal tooth plate detachably provided at the center of the vibration rod; a disk-shaped gear rotatably provided on the support arm and meshing with the internally toothed plate; a cover ring integrally formed on one end of the disc-shaped gear and fitted within the insert rod; Here, when the output end of the second drive motor is output, multiple sets of roller brushes are moved and rotated to wipe the elastic plate located in the filter tank, and at the same time, the disc-shaped gear is moved and rotated, causing the elastic plate located in the filter tank to vibrate back and forth, and the vibration rod to vibrate back and forth so that the sludge on the elastic plate in the filter tank is vibrated and falls off.
[0011] In a further refinement of the present invention, the chlorine dioxide delivery member comprises: a connecting shelf removably provided on the connecting machine frame; a canister removably mounted on the connecting shelf for storing a chlorine dioxide solution; a metering pump removably mounted on the connecting shelf; a removable guide pipe provided at one output end of the metering pump, the guide pipe being inserted into the bottom of the kettle; a supply pipe removably provided at the other output end of the metering pump and extending into the filter tank; When the output end of the metering pump outputs, the chlorine dioxide solution in the kettle is injected into the filtration tank.
[0012] As a further improvement of the present invention, the chlorine dioxide concentration sensing element comprises: a connecting frame detachably mounted on the filter tank; a third drive motor detachably mounted on one end of the connecting frame, the output end of the third drive motor being inserted into the connecting frame; a coupling detachably mounted on the output end of the third driving motor, the coupling having a connecting lead screw, and the connecting lead screw and the connecting frame being rotatably connected; a ball base slidably provided in the connection frame; a connection plate provided on the ball base; a lowering cylinder removably mounted on the connecting plate and having a removable clamp cylinder at its output end; a concentration detector removably provided in the clamp cylinder; When the output terminal of the third driving motor is turned on, the connecting plate is moved left and right. When the output end of the downward pushing cylinder outputs, the concentration detector is moved downward to detect the chlorine dioxide concentration in the liquid in the filtration tank.
[0013] As a further improvement of the present invention, the aeration unit comprises: a fan set removably mounted on the connecting machine frame and having a fan pipe removably mounted at an output end; a gas flow meter removably mounted on the fan pipe for detecting gas flowing through the fan pipe; an aeration duct detachably provided at an end of the fan pipe and located at the bottom of the filtration tank, and having a U-shape; Each of the four aeration heads is detachably mounted on the L-shaped end of the aeration duct, and communicates with the aeration duct. Each aeration head has a wide lower section and a narrow upper section.
[0014] In a further refinement of the invention, the collection unit comprises: a collection container provided on the other side of the wastewater treatment unit and having a collection pipe removably provided at the bottom; a fifth suction pump removably mounted on one end of the collection pipe; an ultrafiltration device located at one end of the fifth suction pump and connected to the fifth suction pump; a return pipe detachably provided at one end in the ultrafiltration device and remote from the fifth suction pump; When the output end of the fifth suction pump is activated, the liquid in the filter tank is sucked into the collection container.
[0015] Another technical problem that the present invention aims to solve is a method for using a sewage treatment device based on high-altitude tunnel construction in a water source protection area, comprising: Step S1 of performing liquid addition and mixing work on the wastewater, in which the switch of the first drive motor is turned on so that the output end of the first drive motor outputs, the screw agitator blade is moved and rotated, and the oblique agitator blade is rotated, a small amount of chlorine dioxide liquid is injected into the liquid addition and mixing container, and the liquid addition and mixing work on the sucked wastewater is performed, and in the process of agitating and mixing by the screw agitator blade, the sludge that has become solid lumps can also be broken down, and the inclined arrangement of the oblique agitator blade can further increase the mixing efficiency; a step S2 in which the liquid sucked into the liquid feeding and mixing unit is treated with wastewater, in which the first suction pump is started, and the liquid sucked from the liquid feeding and mixing unit is injected into the anaerobic tank to anaerobically treat the wastewater, and the second suction pump is started, and the anaerobically treated wastewater from the anaerobic tank is sucked into the aerobic tank to aerobically treat the wastewater, and since the aerobic tank and the sludge tank are interconnected, the aerobically treated wastewater in the aerobic tank is poured into the sludge tank to settle the sludge, and since the filtration tank and the sludge tank are interconnected, the sewage in the sludge tank is allowed to partially return to the filtration tank, and the third suction pump is started, and the third suction pump sucks part of the aerobically treated wastewater in the aerobic tank into the filtration tank for reaction; Step S3 of filtering the wastewater in the filter tank in stages through the filter net cover plate and the plurality of sets of filter nets; Step S4 of injecting chlorine dioxide liquid into the filtration tank, which is to open the switch of the metering pump so that the output end of the metering pump outputs, and inject the chlorine dioxide solution in the kettle into the filtration tank to disinfect the inside of the filtration tank; Step S5: start the third drive motor so that the output end of the third drive motor outputs, move the connecting plate left and right, and at the same time open the downward-pushing cylinder, so that the output end of the downward-pushing cylinder outputs, move the concentration detector downward, and perform a chlorine dioxide concentration detection operation on the liquid in the filtration tank. If it detects that the chlorine dioxide concentration in the filtration tank is low, continue to inject chlorine dioxide liquid into the filtration tank through the chlorine dioxide supply member, thus performing a chlorine dioxide concentration measurement operation in the filtration tank; Step S6: Activating the sludge reflux pump so that the output end of the sludge reflux pump outputs, refluxing the sludge in the sludge tank into the anaerobic tank, and continuing the anaerobic reaction of the sludge in the anaerobic tank; Step S7 is to perform a vibration sludge removal operation on the elastic plate in the filter tank, in which the second drive motor is started so that the output end of the second drive motor is output, and multiple sets of roller brushes are rotated to wipe the elastic plate located in the filter tank, and the multiple sets of roller brushes are used to intermittently wipe the elastic plate to remove sludge, and the disk-shaped gear is driven to reciprocate the vibration rod, which causes the elastic plate located in the filter tank to vibrate back and forth, so that the sludge on the elastic plate in the filter tank is vibrated and falls off, preventing the sludge from clumping and remaining on the elastic plate, and the sludge wiped off by the vibration is all retained at the bottom of the filter tank and can be easily collected; Step S8: aerating the filter tank by starting the fan set so that the output end of the fan set outputs air, and aerating the filter tank; by installing the aeration duct in a letter-shaped configuration, a large area of the filter tank can be aerated; by installing an aeration head with a wide bottom and a narrow top, the gas discharge efficiency can be further increased, while sufficient stirring and mixing can be generated, promoting the circulation of water; and maintaining a constant moving speed of the mixed liquid, keeping the remaining sludge in suspension in the mixed liquid at all times, thereby improving the disinfection efficiency of chlorine dioxide during the reaction; and step S9 of performing a collection operation on the liquid in the filter tank, by starting the fifth suction pump so that the output end of the fifth suction pump outputs and sucking the liquid in the filter tank into the collection container. [Effects of the Invention]
[0016] Overall, the above technical solution conceived by the present invention has the following beneficial effects compared with the prior art: The wastewater treatment device and method for use based on high-altitude tunnel construction in a water source protection area of the present invention are as follows: through the installed wastewater treatment unit, after opening the first suction pump, the liquid sucked from the liquid injection mixing unit is injected into the anaerobic tank to perform anaerobically treating the wastewater; then, starting the second suction pump, the anaerobically treated wastewater is sucked from the anaerobic tank into the aerobic tank to perform aerobic treatment of the wastewater; since the aerobic tank and the sludge tank are interconnected, the aerobically treated wastewater in the aerobic tank is introduced into the sludge tank to perform sludge sedimentation; and since the filter tank and the sludge tank are interconnected, the aerobically treated wastewater in the sludge tank is introduced into the sludge tank to perform sludge sedimentation; The third suction pump is started so that the aerobically treated sewage in the aerobic tank can be partially returned into the filter tank, and the third suction pump is used to partially suck the aerobically treated sewage in the aerobic tank into the filter tank for reaction, and the sewage is filtered stepwise in the filter tank. The provided sludge return unit allows the sludge to be further returned from the sludge tank into the anaerobic tank for reaction, and the provided sludge vibration unit starts the second drive motor so that the output end of the second drive motor is output, and the multiple sets of roller brushes are rotated to wipe the elastic plate located in the filter tank, and the multiple sets of roller brushes are used to intermittently The elastic plate can be wiped away automatically to remove sludge, and the disk-shaped gear can be driven to reciprocate the vibration rod, causing the elastic plate located in the filter tank to vibrate back and forth. The sludge on the elastic plate in the filter tank is vibrated and falls off, preventing the sludge from clumping and remaining on the elastic plate. The sludge wiped away by the vibrations all remains at the bottom of the filter tank and can be easily collected. The chlorine dioxide supply member provided facilitates the disinfection effect by injecting chlorine dioxide liquid into the filter tank, and the chlorine dioxide concentration detection member provided detects the concentration of chlorine dioxide liquid in the filter tank. If it is found that the concentration of the chlorine dioxide liquid is too low, the chlorine dioxide concentration detecting element continues to inject chlorine dioxide liquid into the filter tank, and the fan set is started so that the output end of the fan set is output through the installed aeration unit, which is used to aerate the filter tank. By installing the aeration duct in a letter-shaped configuration, a large area of the filter tank can be aerated, and by installing an aeration head with a wide bottom and a narrow top, the gas discharge efficiency can be further increased, and sufficient stirring and mixing action can be generated.This can promote the circulation of water, maintain a constant moving speed of the mixed liquid, and keep the remaining sludge in suspension in the mixed liquid, thereby improving the disinfection efficiency of chlorine dioxide during the reaction. [Brief explanation of the drawings]
[0017] [Figure 1] 1 is a schematic diagram of the overall structure of a sewage treatment device based on high-altitude tunnel construction in a water source protection area of the present invention; FIG. [Figure 2] 1 is a structural schematic diagram of the entire wastewater treatment device based on high-altitude tunnel construction in a water source protection area of the present invention, viewed from another angle. FIG. [Figure 3] 1 is a plan view of a wastewater treatment device based on high-altitude tunnel construction in a water source protection area of the present invention; FIG. [Figure 4] 1 is a structural schematic diagram of a liquid injection mixing unit of the present invention; [Figure 5] 1 is a schematic diagram of the overall structure of a wastewater treatment unit of the present invention; [Figure 6] 1 is a schematic diagram showing the overall structure of a chlorine dioxide concentration detecting element of the present invention. [Figure 7] 1 is a schematic structural diagram of the entire aeration unit of the present invention; FIG. [Figure 8] 1 is a schematic diagram showing the overall structure of a chlorine dioxide concentration detecting element of the present invention. [Figure 9] 4 is a structural schematic diagram of the chlorine dioxide concentration detecting element of the present invention when viewed from another angle. FIG. [Figure 10] 1 is a schematic diagram of the overall structure of a sludge reflux unit of the present invention. [Figure 11] 1 is a schematic diagram of the overall structure of a sludge vibration unit of the present invention. [Figure 12] 1 is a structural schematic diagram of the sludge vibrating unit of the present invention as viewed from another angle. [Figure 13] 1 is a schematic diagram of the overall structure of the collection unit of the present invention; DETAILED DESCRIPTION OF THE INVENTION
[0018] Hereinafter, the technical aspects of the embodiments of the present invention will be clearly and completely described in connection with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and are not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present invention.
[0019] The terms used herein are not intended to limit the present invention, but are used only to describe particular embodiments. As used herein, the terms "comprises," "comprises," and the like refer to the presence of features, steps, operations, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, or components.
[0020] Unless otherwise defined, all terms used herein (including technical and scientific terms) have the meanings commonly understood by those skilled in the art. However, terms used herein should be interpreted to have a meaning consistent with the context of the present specification and should not be interpreted in an overly idealized or stereotypical manner.
[0021] In the examples, Figures 1 to 13 show wastewater treatment devices based on high-altitude tunnel construction in water source protection areas. Figure 1 is a structural schematic diagram of the entire wastewater treatment device based on high-altitude tunnel construction in water source protection areas of the present invention. Figure 2 is a structural schematic diagram of the entire wastewater treatment device based on high-altitude tunnel construction in water source protection areas of the present invention, viewed from another angle. Figure 3 is a plan view of the wastewater treatment device based on high-altitude tunnel construction in water source protection areas of the present invention. Figure 4 is a structural schematic diagram of the liquid injection mixing unit of the present invention. Figure 5 is a structural schematic diagram of the entire wastewater treatment unit of the present invention. Figure 6 is a structural schematic diagram of the entire chlorine dioxide concentration detecting element of the present invention. Figure 7 is a structural schematic diagram of the entire aeration unit of the present invention. Figure 8 is a structural schematic diagram of the entire chlorine dioxide concentration detecting element of the present invention. Figure 9 is a structural schematic diagram of the chlorine dioxide concentration detecting element of the present invention, viewed from another angle. Figure 10 is a structural schematic diagram of the entire sludge reflux unit of the present invention. Figure 11 is a structural schematic diagram of the entire sludge vibrating unit of the present invention. Figure 12 is a structural schematic diagram of the sludge vibrating unit of the present invention, viewed from another angle. FIG. 13 is a schematic diagram of the overall structure of the collection unit of the present invention.The connecting machine frame 1, the sewage treatment unit 2 provided on the connecting machine frame, the sewage treatment unit 2 comprising an anaerobic tank 21, an aerobic tank 22 connected to the anaerobic tank 21, a sludge tank 23 connected to the aerobic tank 22, and a filtration tank 24 connected to the sludge tank 23, the filtration tank 24 having removable elastic plates attached to the bottom of both inner walls, the aerobic tank 22 and the sludge tank 23 being connected to the bottom, and the sludge tank 23 and the filtration tank 24 being connected to the bottom, the liquid feeding and mixing unit 3 adjacent to one side of the sewage treatment unit 2 and connected to the anaerobic tank 21, for feeding and mixing liquid into the sewage that has been drawn in, and a sludge return unit 3 removably provided in the aerobic tank 22 for returning the sludge in the sludge tank 23 to the anaerobic tank 21. a chlorine dioxide supply member 6 removably mounted on the connecting machine frame 1 for injecting chlorine dioxide liquid into the filter tank 24 to purify the liquid in the filter tank 24; a chlorine dioxide concentration detection unit 7 removably mounted on the connecting machine frame 1 for detecting the concentration of the chlorine dioxide liquid in the filter tank 24; an aeration unit 8 removably mounted on the connecting machine frame 1 for aerating the filter tank 24; and a collection unit 9 mounted on the other side of the sewage treatment unit 2 for recovering the liquid in the filter tank 24.
[0022] The overall idea behind the present invention is that, through the provided wastewater treatment unit 2, after the first suction pump 211 is opened, the liquid sucked from the liquid injection and mixing unit 3 is injected into the anaerobic tank 21 to subject the wastewater to anaerobically treatment, and then the second suction pump 221 is started, and the anaerobically treated wastewater from the anaerobic tank 221 is sucked into the aerobic tank 22 to subject the wastewater to aerobic treatment. Since the aerobic tank 22 and the sludge tank 23 are interconnected, the aerobically treated wastewater in the aerobic tank 22 is introduced into the sludge tank 23 to undergo sludge settling treatment. Furthermore, since the filter tank 24 and the sludge tank 23 are interconnected, the sludge The third suction pump 241 is started so that the wastewater in the sludge tank 23 can be partially returned to the filtration tank 24, and the third suction pump 241 partially sucks the aerobically treated wastewater in the aerobic tank 22 into the filtration tank 24 for reaction, and the wastewater is filtered stepwise in the filtration tank 24. The provided sludge return unit 4 allows the sludge to be returned from the sludge tank 23 to the anaerobic tank 21 for reaction, and the provided sludge vibration unit 5 starts the second drive motor so that the output end of the second drive motor is output, and multiple sets of vibration units are used to wipe the elastic plates located in the filtration tank 24. The roller brushes 56 are rotated and multiple sets of roller brushes 56 are used to intermittently wipe the elastic plate to remove sludge. The disk-shaped gear 594 is driven to reciprocate the vibration rod 59, which vibrates the elastic plate located in the filter tank 24. The sludge on the elastic plate in the filter tank 24 is vibrated and falls off, preventing the sludge from clumping and remaining on the elastic plate. The sludge wiped off by the vibration remains at the bottom of the filter tank 24 and can be easily collected. The chlorine dioxide supply member 6 provided allows for the injection of chlorine dioxide liquid into the filter tank 24 to eliminate the sludge. In order to facilitate the poisoning, the concentration of the chlorine dioxide liquid in the filter tank 2 can be detected by the provided chlorine dioxide concentration detection element 7. If it is found that the concentration of the chlorine dioxide liquid is too low, the chlorine dioxide concentration detection element 6 continues to inject chlorine dioxide liquid into the filter tank. The fan set 81 is activated so that the output end of the fan set 81 outputs air, which is used to aerate the filter tank 24. The aeration duct 85 is installed in a square shape, so that a large area of the filter tank can be aerated, and the wide lower andThe installation of a narrow-top aeration head can further increase the gas discharge efficiency, while also generating sufficient stirring and mixing, promoting the circulation of water, and maintaining a constant moving speed of the mixed liquid, keeping the remaining sludge in suspension in the mixed liquid, thereby improving the disinfection efficiency of chlorine dioxide during the reaction.
[0023] In some embodiments, more specifically, in order to further enhance the communication effect between the reaction tanks in the wastewater treatment unit 2, one side of the anaerobic tank 21 is connected to the liquid input / mixing unit 3 and the anaerobic tank 21, respectively, and a first suction pump 211 is removably provided for sucking the liquid in the liquid input / mixing unit 3 into the anaerobic tank 21. One side of the aerobic tank 22 is connected to the anaerobic tank 21 and the aerobic tank 22, respectively, and a second suction pump 221 is removably provided for sucking the liquid in the anaerobic tank 21 into the aerobic tank 22. A third suction pump 241 is removably provided on one side of the filtration tank 24, and is connected to the aerobic tank 22 and the filtration tank 24, respectively, for sucking the liquid in the aerobic tank 22 into the filtration tank 24. A filtration net cover plate 242 is removably provided inside the filtration tank 24, and the filtration net cover plate 242 is made up of a plurality of sub-plates connected to each other, with a gap between two sub-plates, and a filtration net 243 is removably provided on top of each sub-plate.
[0024] Next, in order to further explain the entire liquid feeding and mixing unit 3, a more specific structure and construction will be given. The liquid feeding and mixing unit 3 is adjacent to one side of the sewage treatment unit 2 and comprises a liquid feeding and mixing container 31 having a removable cover 32 on the top, a first drive motor 33 removably mounted on the cover 32 and having an output end penetrating the cover 32 and having a stirring rod 34 mounted on the output end, a screw stirring blade 35 removably mounted on the stirring rod 34 and arranged along the longitudinal direction of the stirring rod 34, and a plurality of sets of screw stirring blades removably mounted on the stirring rod 34 and located on one side of the screw stirring blade 35. a horizontal bar 36, each end of which is removably provided with an oblique stirring blade 37, and the oblique stirring blade 37 and the stirring rod 34 are provided at an angle; a liquid input pipe 38 removably provided at one end of the liquid input mixing vessel 31 and connected to the liquid input mixing vessel 31; a fourth suction pump 381 removably provided at the liquid input pipe 38 and connected to the fourth suction pump 381; a liquid discharge pipe 39 removably provided at the other end of the liquid input mixing vessel 31 and connected to the liquid input mixing vessel 31, the other end of which is connected to the first suction pump 211; Next, the operating principle of the entire liquid injection mixing unit 3 will be further explained. The operator opens the switch of the first drive motor 33, and when the output end of the first drive motor 33 is output, the screw stirring blade 35 is moved and rotated, and the oblique stirring blade 37 is moved and rotated synchronously, thereby performing the liquid injection and mixing work on the sucked wastewater.
[0025] Next, a more specific structure and construction will be given for further explanation of the entire sludge reflux unit 4. The sludge reflux unit 4 includes a support frame 41 removably mounted in the aerobic tank 22, a sludge reflux pump 42 removably mounted on the support frame 41, a first sludge suction pipe 43 removably mounted at one suction end of the sludge reflux pump 42 and extending into the bottom of the sludge tank 23, and a second sludge suction pipe removably mounted at the other suction end of the sludge reflux pump 42 and extending into the bottom of the anaerobic tank 21, the length of which is shorter than that of the first sludge suction pipe 43, and the electronic valve 45 is removably mounted. Next, the operating principle of the entire sludge reflux unit 4 will be further explained. The operator starts the sludge reflux pump 42, and when the output end of the sludge reflux pump 42 outputs, the sludge in the sludge tank 23 is refluxed into the anaerobic tank 21.
[0026] Next, in order to further explain the entire sludge vibration unit 5, a more specific structure and construction will be given. The sludge vibration unit 5 comprises a vibration base 51 removably mounted on the bottom of the sludge tank, a support arm 52 removably mounted on the vibration base 51, a second drive motor 53 removably mounted on the support arm 52, an output end of the second drive motor 53 passing through the support arm 52, a drive wheel 54 removably mounted on the output end of the second drive motor 53, an insert rod 55 removably mounted on the disk surface of the drive wheel 54, and a plurality of sets of roll brushes 56 removably mounted on the drive wheel 54; the distance from each set of roll brushes 56 to the center point of the drive wheel 54 is the same; a left base 57 removably mounted on the vibration base 51; a right base 58 removably mounted on the vibration base 51; a vibration rod 59 slidably mounted within the left base 57 and the right base 58; a left push block 591 removably mounted on one end of the vibration rod 59 and a right push block 593 removably mounted on the other end of the vibration rod 59; an internally toothed plate 592 removably mounted in the center of the vibration rod 59; and a disk-shaped gear 594 rotatably mounted on the support arm 52 and meshing with the internally toothed plate 592. a cover ring 595 integrally formed on one end of the disc-shaped gear 594 and fitted inside the insert rod 55; Next, the operating principle of the entire sludge vibration unit 5 will be further explained. The operator starts the second drive motor 53 so that the output end of the second drive motor 53 outputs, and moves and rotates the multiple sets of roller brushes 56 to wipe the elastic plate located in the filter tank 24, while at the same time moving and rotating the disk-shaped gear 594, causing the elastic plate located in the filter tank 24 to vibrate back and forth, thereby causing the vibration rod 59 to vibrate back and forth so that the sludge on the elastic plate in the filter tank 24 is vibrated and falls off.
[0027] Next, a more specific structure and construction will be given for further explanation of the chlorine dioxide supplying member 6 as a whole. The chlorine dioxide supplying member 6 comprises a connecting shelf 61 removably mounted on the connecting machine frame 1, a kettle 62 removably mounted on the connecting shelf 61 for storing chlorine dioxide solution, a metering pump 63 removably mounted on the connecting shelf 61, a removable guide pipe 64 at one output end of the metering pump 63, and the guide pipe 64 enters the bottom of the kettle 62, a supply pipe 65 removably provided at the other output end of the metering pump 63 and extending into the filter tank 24; Next, the principle of use of the entire chlorine dioxide supplying member 6 will be further explained. The operator starts the metering pump 63 so that the output end of the metering pump 63 outputs, and injects the chlorine dioxide solution in the kettle 62 into the filtration tank 24.
[0028] Next, in order to further explain the chlorine dioxide concentration detection element 7 as a whole, a more specific structure and configuration will be given. The chlorine dioxide concentration detection element 7 is a connecting frame 71 removably mounted on the filtration tank 24; a third drive motor 72 removably mounted on one end of the connecting frame 71, the output end of the third drive motor 72 entering the connecting frame 71; a coupling 73 removably mounted on the output end of the third drive motor 72; a connecting lead screw 74 mounted on the coupling 73, the connecting lead screw 74 and the connecting frame 71 being rotatably connected therebetween; a ball base 75 slidably mounted within the connecting frame 71; a connecting plate 76 mounted on the ball base 75; a down-pressing cylinder 77 removably mounted on the connecting plate 76, the down-pressing cylinder 77 having a removable clamp cylinder 78 at its output end; and a concentration detector 79 removably mounted within the clamp cylinder 78. Next, the principle of use of the entire chlorine dioxide concentration detection element 7 will be further explained. The operator starts the third drive motor 72 so that the output end of the third drive motor 72 outputs, moves the connecting plate 76 left and right to operate it, and when the output end of the downward-pushing cylinder 77 outputs, moves the concentration detector 79 downward to perform the chlorine dioxide concentration detection operation on the liquid in the filtration tank 24.
[0029] Next, a more specific structure and construction will be given for further explanation of the aeration unit 8 as a whole. The aeration unit 8 includes: a fan set 81 detachably mounted on the connecting machine frame 1, and having a fan pipe 82 detachably mounted at its output end; a gas flow meter 83 detachably mounted on the fan pipe 82 for detecting the gas flowing through the fan pipe 82; a U-shaped aeration duct 84 detachably mounted at the end of the fan pipe 82 and located at the bottom of the filtration tank 24; and four sets of aeration heads 85 detachably mounted at the U-shaped ends of the aeration duct 84, each of which is connected to the aeration duct 84 and has a wide lower part and a narrow upper part. Next, the principle of use of the entire aeration unit 8 will be further explained. An operator starts the fan set 81 so that the output end of the fan set 81 outputs air, and performs the aeration work inside the filtration tank 24.
[0030] Next, a more specific structure and construction will be given for further explanation of the entire collection unit 9. The collection unit 9 is provided on the other side of the wastewater treatment unit 2, and includes a collection container 91 with a collection pipe 92 removably provided at the bottom thereof, a fifth suction pump 93 removably provided at one end of the collection pipe 92, an ultrafiltration device 94 located at one end of the fifth suction pump 93 and connected to the fifth suction pump 93, and a return pipe 95 removably provided at one end of the ultrafiltration device 94 and remote from the fifth suction pump 93; Next, the principle of use of the entire collection unit 9 will be further explained. The operator starts the fifth suction pump 93 so that the output end of the fifth suction pump 93 outputs, and the liquid in the filtration tank 24 is sucked into the collection container 91.
[0031] Another technical problem that the present invention aims to solve is a method for using a sewage treatment device based on high-altitude tunnel construction in a water source protection area, comprising: Step S1 of performing liquid injection and mixing work on the wastewater, in which the switch of the first drive motor 33 is turned on so that the output end of the first drive motor 33 outputs, the screw agitator blade 35 is moved and rotated, and the oblique agitator blade 37 is rotated, a small amount of chlorine dioxide liquid is injected into the liquid injection and mixing container 31, and the liquid injection and mixing work on the sucked wastewater is performed, and in the process of agitating and mixing by the screw agitator blade 35, the sludge that has become solid lumps can also be broken down, and the inclined position of the oblique agitator blade 37 can further increase the mixing efficiency; Step S2 involves starting the first suction pump 211, injecting the liquid sucked from the liquid feeding and mixing unit 3 into the anaerobic tank 21 to anaerobically treat the wastewater, then starting the second suction pump 221 to suck the anaerobically treated wastewater from the anaerobic tank 21 into the aerobic tank 22 to aerobically treat the wastewater, and since the aerobic tank 22 and the sludge tank 23 are interconnected, the aerobically treated wastewater in the aerobic tank 22 is poured into the sludge tank 23 to cause sludge settling, and since the filtration tank 24 and the sludge tank 23 are interconnected, the wastewater in the sludge tank 23 is allowed to partially return to the filtration tank 24, and then starting the third suction pump 241 to suck aerobically treated wastewater in the aerobic tank 22 into the filtration tank 24 for reaction, thereby performing wastewater treatment on the liquid sucked into the liquid feeding and mixing unit 3; Step S3: filtering the wastewater flowing through the filter tank 24 in stages through the filter net cover plate 242 and the plurality of sets of filter nets 243; Step S4 of injecting chlorine dioxide liquid into the filtration tank 24, in which the switch of the metering pump 63 is opened so that the output end of the metering pump 63 outputs, and the chlorine dioxide solution in the kettle 62 is injected into the filtration tank 24 to perform a disinfection operation on the inside of the filtration tank 24; Step S5: Start the third drive motor 72 so that the output end of the third drive motor 72 outputs, move the connecting plate 76 left and right, and at the same time open the downward-pushing cylinder 77, output the output end of the downward-pushing cylinder 77, move the concentration detector 79 downward, and perform a chlorine dioxide concentration detection operation on the liquid in the filtration tank 24. If it is detected that the chlorine dioxide concentration in the filtration tank 24 is low, continue to inject chlorine dioxide liquid into the filtration tank 24 through the chlorine dioxide supply member 6, thereby performing a chlorine dioxide concentration measurement operation in the filtration tank 24; Step S6: activating the sludge reflux pump 42 so that the output end of the sludge reflux pump 42 outputs, refluxing the sludge in the sludge tank 23 into the anaerobic tank 21, and continuing the anaerobic reaction of the sludge in the anaerobic tank 21; Step S7 is a step of vibrating the elastic plate in the filter tank to remove sludge, in which the second drive motor 53 is started so that the output end of the second drive motor 53 is output, and the plurality of roller brushes 56 are rotated to wipe the elastic plate located in the filter tank 24, and the plurality of roller brushes 56 intermittently wipe the elastic plate to remove sludge, and the disk-shaped gear 594 is driven to reciprocate the vibration rod 59, and the elastic plate located in the filter tank 24 is vibrated and falls off, so that the sludge does not form clumps and remain on the elastic plate, and the sludge that has been vibrated and wiped away remains at the bottom of the filter tank 24 and can be easily collected; Step S8: aerating the filter tank 24 by starting the fan set 81 so that the output end of the fan set 81 outputs air; aeration work is performed in the filter tank 24; the aeration duct 84 is arranged in a letter-six shape, allowing aeration work to be performed over a large area in the filter tank 24; and the aeration head 85, which has a wide bottom and a narrow top, is arranged, further increasing the gas discharge efficiency, while generating sufficient stirring and mixing action, promoting the circulation of water, and maintaining a constant moving speed of the mixed liquid, keeping the remaining sludge constantly suspended in the mixed liquid, thereby improving the disinfection efficiency of chlorine dioxide during the reaction. The method includes step S9 of starting the fifth suction pump 93 so that the output end of the fifth suction pump 93 outputs, and performing a collection operation on the liquid in the filtration tank 93 by sucking the liquid in the filtration tank 24 into the collection container 91.
[0032] To obtain the above, through the provided sewage treatment unit 2, after the first suction pump 211 is opened, the liquid sucked from the liquid injection mixing unit 3 is injected into the anaerobic tank 21 to subject the sewage to anaerobically treatment, and then the second suction pump 221 is started, and the anaerobically treated sewage from the anaerobic tank 221 is sucked into the aerobic tank 22 to subject the sewage to aerobic treatment, and since the aerobic tank 22 and the sludge tank 23 are interconnected, the aerobically treated sewage in the aerobic tank 22 is introduced into the sludge tank 23 to undergo sludge sedimentation treatment, and since the filtration tank 24 and the sludge tank 23 are interconnected, The third suction pump 241 is started so that the wastewater can be partially returned to the filter tank 24, and the third suction pump 241 partially sucks the aerobically treated wastewater in the aerobic tank 22 into the filter tank 24 for reaction, and the wastewater is filtered stepwise in the filter tank 24. The provided sludge return unit 4 allows the sludge to be returned from the sludge tank 23 to the anaerobic tank 21 for reaction, and the provided sludge vibration unit 5 starts the second drive motor so that the output end of the second drive motor is output, and multiple sets of roller blades are used to wipe the elastic plates located in the filter tank 24. The brush 56 is moved and rotated, and multiple sets of roller brushes 56 intermittently wipe the elastic plate to remove sludge. At the same time, the disc-shaped gear 594 is driven to reciprocate the vibration rod 59, which causes the elastic plate located in the filter tank 24 to vibrate back and forth. The sludge on the elastic plate in the filter tank 24 is vibrated and falls off, preventing the sludge from clumping and remaining on the elastic plate. The sludge wiped off by the vibration remains at the bottom of the filter tank 24 and can be easily collected. The chlorine dioxide supply member 6 provided allows disinfection by injecting chlorine dioxide liquid into the filter tank 24. In order to facilitate use, the concentration of the chlorine dioxide liquid in the filter tank 2 can be detected by the provided chlorine dioxide concentration detection element 7. If it is found that the concentration of the chlorine dioxide liquid is too low, the chlorine dioxide concentration detection element 6 continues to inject chlorine dioxide liquid into the filter tank, and the fan set 81 is started so that the output end of the fan set 81 outputs air through the provided aeration unit 8, which is used to aerate the filter tank 24. The aeration duct 85 is installed in a square shape, so that a large area can be aerated in the filter tank, and the wide lower andThe installation of a narrow-top aeration head can further increase the gas discharge efficiency, while also generating sufficient stirring and mixing, promoting the circulation of water, and maintaining a constant moving speed of the mixed liquid, keeping the remaining sludge in suspension in the mixed liquid, thereby improving the disinfection efficiency of chlorine dioxide during the reaction.
[0033] While embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that changes, modifications, substitutions and variations can be made without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents. [Explanation of symbols]
[0034] 1, connecting machine frame; 2, sewage treatment unit; 21, anaerobic tank; 211, first suction pump; 22, aerobic tank; 221, second suction pump; 23, sludge tank; 24, filtration tank; 241, third suction pump; 242, filtration net cover plate; 243, filtration net; 3, liquid injection mixing unit; 31, liquid injection mixing container; 32, cover; 33, first drive motor; 34, stirring rod; 35, screw stirring blade Thread; 36, horizontal bar; 37, oblique stirring blade; 38, liquid input pipe; 381, fourth suction pump; 39, liquid discharge pipe; 4, sludge reflux unit; 41, support frame; 42, sludge reflux pump; 43, first sludge suction pipe; 44, second sludge suction pipe; 45, electronic valve; 5, sludge vibration unit; 51, vibration base; 52, support arm; 53, second drive motor; 54, drive wheel; 55, insert rod; 56, roll brush C; 57, left side base; 58, right side base; 59, vibration rod; 591, left side push block; 592, internal tooth plate; 593, right side push block; 594, disc-shaped gear; 595, covering; 6, chlorine dioxide supply member; 61, connecting shelf; 62, kettle; 63, metering pump; 64, guide pipe; 65, supply pipe; 7, chlorine dioxide concentration detection member; 71, connecting frame; 72, third drive motor; 73, Coupling; 74, connecting lead screw; 75, ball base; 76, connecting plate; 77, down-pressure cylinder; 78, clamp cylinder; 79, concentration detector; 8, aeration unit; 81, fan set; 82, fan pipe; 83, gas flow meter; 84, aeration duct; 85, aeration head; 9, collection unit; 91, collection container; 92, collection pipe; 93, fifth suction pump; 94, ultrafiltration device; 95, return pipe.
Claims
1. A wastewater treatment device based on high-altitude tunnel construction in a water source protection area, A connecting machine frame (1), a sewage treatment unit (2) provided on a connection machine frame (1); the sewage treatment unit (2) comprising an anaerobic tank (21), an aerobic tank (22) connected to the anaerobic tank (21), a sludge tank (23) connected to the aerobic tank (22), and a filtration tank (24) connected to the sludge tank (23); removable elastic plates are attached to the bottom of both inner walls of the filtration tank (24), whereby the bottoms of the aerobic tank (22) and the sludge tank (23) are connected to each other, and the bottoms of the sludge tank (23) and the filtration tank (24) are connected to each other; a liquid injection and mixing unit (3) adjacent to one side of the wastewater treatment unit (2) and communicating with the anaerobic tank (21), for injecting and mixing liquid into the suctioned wastewater; a sludge reflux unit (4) removably provided in the aerobic tank (22) for refluxing sludge in the sludge tank (23) to the anaerobic tank (21); a plurality of sludge vibration units (5) removably provided in the filtration tank (24) for vibrating elastic plates in the filtration tank (24) to perform sludge removal work; a chlorine dioxide supply member (6) that is detachably mounted on the connection machine frame (1) and that injects chlorine dioxide liquid into the filtration tank (24) to purify the liquid in the filtration tank (24); a chlorine dioxide concentration detection member (7) that is detachably provided in the filtration tank (24) and that detects the concentration of the chlorine dioxide liquid in the filtration tank (24); an aeration unit (8) that is detachably mounted on the connecting machine frame (1) and that performs aeration work on the filtration tank (24); a collection unit (9) provided on the other side of the wastewater treatment unit (2) for recovering the liquid in the filtration tank (24); On one side of the anaerobic tank (21), a first suction pump is removably provided, which is connected to the liquid input / mixing unit (3) and the anaerobic tank (21) and sucks the liquid in the liquid input / mixing unit (3) into the anaerobic tank (21). On one side of the aerobic tank (22), a second suction pump is removably provided, which is connected to the anaerobic tank (21) and the aerobic tank (22) and sucks the liquid in the anaerobic tank (21) into the aerobic tank (22). On one side of the filtration tank (24), A third suction pump is removably provided in communication with the aerobic tank (22) and the filtration tank (24) for sucking the liquid in the aerobic tank (22) into the filtration tank (24). A filtration net cover plate (242) is removably provided in the filtration tank (24). The filtration net cover plate (242) is composed of a plurality of subplates connected to each other, with a gap between two of the subplates. A filtration net (243) is removably provided on each subplate. The liquid input and mixing unit (3) a liquid input mixing vessel (31) adjacent to one side of the wastewater treatment unit (2) and having a removable cover (32) on the top thereof; a first drive motor (33) removably mounted on the cover (32), with an output end passing through the cover (32) and having a stirring rod (34) mounted on the output end; a screw stirring blade (35) that is detachably provided on the stirring rod (34) and that is provided along the longitudinal direction of the stirring rod (34); A plurality of sets of horizontal bars (36) are removably attached to the stirring rod (34), and are located on one side of the screw stirring blade (35). One oblique stirring blade (37) is removably attached to each end of the horizontal bar (36), and the oblique stirring blade (37) and the stirring rod (34) are provided at an incline. a liquid introduction pipe (38) removably provided at one end of the liquid introduction mixing vessel (31) and communicating with the liquid introduction mixing vessel (31); a fourth suction pump (381) removably provided on the liquid introduction pipe (38), and the fourth suction pump (381) and the liquid introduction pipe (38) communicating with each other; a liquid discharge pipe (39) detachably provided at the other end of the liquid input mixing container (31) and connected to the liquid input mixing container (31), the other end of which is connected to the first suction pump (211); Here, when the output end of the first drive motor (33) is output, the screw agitator blade (35) is moved and rotated, and the oblique agitator blade (37) is moved and rotated in sync, thereby performing liquid injection and mixing work on the sucked-in sewage, in this wastewater treatment device based on high-altitude tunnel construction in a water source protection area.
2. The sludge reflux unit (4) comprises: a support frame (41) removably provided in the aerobic tank (22); a sludge reflux pump (42) removably mounted on the support frame (41); a first sludge suction pipe (43) that is detachably provided at one suction end of the sludge reflux pump (42) and that extends into the bottom of the sludge tank (23); a second sludge suction pipe (44) that is detachably attached to the other suction end of the sludge reflux pump (42), that penetrates into the bottom of the anaerobic tank (21), that has a length smaller than that of the first sludge suction pipe (43), and that has a detachable electronic valve (45) attached thereto; 2. A wastewater treatment device based on high-altitude tunnel construction in a water source protection area as described in claim 1, characterized in that, when the output end of the sludge return pump (42) outputs, the sludge in the sludge tank (23) is returned to the anaerobic tank (21).
3. The sludge vibration unit (5) a vibration base (51) removably provided at the bottom of the sludge tank (23); a support arm (52) removably mounted on the vibration base (51); a second drive motor (53) removably mounted on the support arm (52), and an output end of the second drive motor passing through the support arm (52); a drive wheel (54) removably provided at the output end of the second drive motor (53); and an insert rod (55) removably provided on the disk surface of the drive wheel (54); A plurality of sets of roll brushes (56) are removably mounted on the drive wheel (54), and the distance from each set of roll brushes (56) to the center point of the drive wheel (54) is the same; a left base (57) detachably provided on the vibration base (51); a right-side base (58) detachably provided on the vibration base (51); A vibration rod (59) is slidably provided in the left base (57) and the right base (58), and a left push block (591) is removably provided at one end of the vibration rod (59), and a right push block (593) is removably provided at the other end of the vibration rod (59). an internal tooth plate (592) removably provided in the center of the vibration rod (59); a disk-shaped gear (594) rotatably mounted on the support arm (52) and meshing with the internally toothed plate (592); a cover ring (595) integrally formed on one end of the disc-shaped gear (594) and fitted within the insert rod (55); Here, when the output end of the second drive motor (53) is output, the plurality of roller brushes (56) are driven and rotated to wipe the elastic plate located in the filter tank (24), and at the same time, the disk-shaped gear (594) is driven and rotated, so that the elastic plate located in the filter tank (24) is vibrated back and forth, and the vibration rod (59) is moved back and forth so that the sludge on the elastic plate in the filter tank (24) is vibrated and dropped off. This is the sewage treatment device based on high-altitude tunnel construction in a water source protection area, as described in claim 2.
4. The chlorine dioxide supply member (6) is a connecting shelf (61) removably mounted on the connecting machine frame (1); a kettle (62) removably mounted on the connecting shelf (61) for storing a chlorine dioxide solution; A metering pump (63) is removably mounted on the connecting shelf (61), and a removable guide pipe (64) is provided at one output end of the metering pump (63), and the guide pipe (64) is inserted into the bottom of the kettle (62); a supply pipe (65) removably provided at the other output end of the metering pump (63) and extending into the filtration tank (24); The wastewater treatment device based on high-altitude tunnel construction in a water source protection area as described in claim 3, characterized in that when the output end of the metering pump (63) outputs, the chlorine dioxide solution in the kettle (62) is injected into the filtration tank (24).
5. The chlorine dioxide concentration detection element (7) is A connection frame (71) is removably mounted on the filtration tank (24), and a third drive motor (72) is removably mounted at one end of the connection frame (71), and the output end of the third drive motor (72) is inserted into the connection frame (71); a coupling (73) detachably mounted on the output end of the third drive motor (72); a connecting lead screw (74) is mounted on the coupling (73), and the connecting lead screw (74) is rotatably connected to the connecting frame (71); A ball base (75) is provided slidably in the connection frame (71), and a connection plate (76) is provided on the ball base (75); a lowering cylinder (77) removably mounted on the connecting plate (76) and having a removable clamping cylinder (78) at its output end; a concentration detector (79) removably provided in the clamp cylinder (78); When the output terminal of the third drive motor (72) is output, the connecting plate (76) is moved left and right, 5. The wastewater treatment device based on high-altitude tunnel construction in a water source protection area according to claim 4, characterized in that when the output end of the downward-pushing cylinder (77) outputs, the concentration detector (79) is moved downward to perform chlorine dioxide concentration detection work on the liquid in the filtration tank (24).
6. The aeration unit (8) comprises: a fan set (81) removably mounted on the connecting machine frame (1) and having a fan pipe (82) removably mounted at its output end; a gas flow meter (83) detachably mounted on the fan pipe (82) for detecting gas flowing through the fan pipe (82); an aeration duct (84) detachably provided at the end of the fan pipe (82), located at the bottom of the filtration tank (24), and having a U-shaped aeration duct; 6. The wastewater treatment device based on high-altitude tunnel construction in a water source protection area according to claim 5, characterized in that the four sets of aeration heads (85) are detachably installed at the U-shaped end of the aeration duct (84), and all of the four sets of aeration heads (85) communicate with the aeration duct (84), and the aeration heads (85) have a wide lower part and a narrow upper part.
7. The collection unit (9) a collection container (91) provided on the other side of the wastewater treatment unit (2) and having a collection pipe (92) removably provided at the bottom thereof; a fifth suction pump (93) removably provided at one end of the collection pipe (92); an ultrafiltration device (94) located at one end of the fifth suction pump (93) and connected to the fifth suction pump (93); a return pipe (95) detachably provided at one end of the ultrafiltration device (94) and remote from the fifth suction pump (93); Here, when the output end of the fifth suction pump (93) outputs, the liquid in the filter tank (24) is sucked into the collection container (91). This is a sewage treatment device based on high-altitude tunnel construction in a water source protection area, as described in claim 6.
8. A method for using a sewage treatment device based on high-altitude tunnel construction in a water source protection area, comprising: Step S1 of performing a liquid-injection and mixing operation on the wastewater, in which the first drive motor (33) is switched on, the output end of the first drive motor (33) outputs, causing the screw agitator blade (35) to move and rotate, and also rotating the oblique agitator blade (37), thereby injecting a small amount of chlorine dioxide liquid into the liquid-injection and mixing container (31), and performing a liquid-injection and mixing operation on the sucked wastewater; in the process of agitating and mixing by the screw agitator blade (35), sludge that has become solid lumps can be crushed, and the inclined position of the oblique agitator blade (37) can further increase the efficiency of mixing; After starting the first suction pump (211), the liquid sucked from the liquid feeding and mixing unit (3) is injected into the anaerobic tank (21) to anaerobically treat the wastewater, and then the second suction pump (221) is started to suck the anaerobically treated wastewater from the anaerobic tank (21) into the aerobic tank (22) to aerobically treat the wastewater. Since the aerobic tank (22) and the sludge tank (23) are interconnected, the aerobically treated wastewater in the aerobic tank (22) is introduced into the sludge tank (23) to allow sludge to settle. and step S2, in which the liquid sucked into the liquid feeding and mixing unit (3) is treated by the aerobic treatment, and the filtration tank (24) and the sludge tank (23) are connected to each other so that the sewage in the sludge tank (23) can be partially returned to the filtration tank (24). Then, the third suction pump (241) is started, and the third suction pump (241) sucks aerobically treated sewage in the aerobic tank (22) partially into the filtration tank (24) for reaction. Step S3 of filtering the wastewater in the filter tank (24) in stages through the provided filter net cover plate (242) and the plurality of sets of filter nets (243); Step S4 of injecting chlorine dioxide liquid into the filtration tank (24), in which the switch of the metering pump (63) is opened so that the output end of the metering pump (63) outputs, and the chlorine dioxide solution in the kettle (62) is injected into the filtration tank (24) to perform a disinfection operation within the filtration tank (24); Step S5 of measuring the chlorine dioxide concentration in the filtration tank (24), in which the third drive motor (72) is started so that its output end outputs, and the connecting plate (76) is moved left and right, and at the same time the downward-pushing cylinder (77) is opened, and the output end of the downward-pushing cylinder (77) outputs, and the concentration detector (79) is moved downward, and a chlorine dioxide concentration detection operation is performed on the liquid in the filtration tank (24), and if it is detected that the chlorine dioxide concentration in the filtration tank (24) is low, chlorine dioxide liquid is continuously injected into the filtration tank (24) through the chlorine dioxide supply member (6); Step S6: activating the sludge reflux pump (42) so that the output end of the sludge reflux pump (42) outputs, refluxing the sludge in the sludge tank (23) into the anaerobic tank (21), and allowing the sludge to continue undergoing an anaerobic reaction in the anaerobic tank (21); Step S7 is a step of performing a vibration sludge removal operation on the elastic plate in the filter tank (24), in which the second drive motor (53) is started so that its output end is output, and the plurality of sets of roller brushes (56) are driven and rotated to wipe the elastic plate located in the filter tank (24), and the plurality of sets of roller brushes (56) are used to intermittently wipe the elastic plate to remove sludge, and the disk-shaped gear (594) is driven to reciprocate the vibration rod (59), and the elastic plate located in the filter tank (24) is vibrated to fall off, so that the sludge does not form clumps and remain on the elastic plate, and the sludge wiped off by the vibration remains at the bottom of the filter tank (24) and can be easily collected. Step S8 of aerating the filter tank (24) by starting the fan set (81) so that its output end outputs air, and aerating the filter tank (24). By installing the aeration duct (84) in a letter-L shape, a large area of the filter tank (24) can be aerated. By installing the aeration head (85) with a wide bottom and a narrow top, the gas discharge efficiency can be further increased, while sufficient stirring and mixing action can be generated, promoting the circulation of water, and maintaining a constant moving speed of the mixed liquid, keeping the remaining sludge in a suspended state in the mixed liquid at all times, thereby increasing the disinfection efficiency of chlorine dioxide during the reaction. and (S9) performing collection work on the liquid in the filtration tank (24), in which the fifth suction pump (93) is started so that the output end of the fifth suction pump (93) outputs, and the liquid in the filtration tank (24) is sucked into the collection container (91).
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