Integrated circulating biochemical sewage treatment equipment

Abstract

The utility model discloses integrated circulating biochemical sewage treatment equipment which comprises a treatment tank, a water inlet pipe is communicated with the upper part of the left side of the treatment tank, a control valve is arranged on the surface of the water inlet pipe, a reactant adding pipe is communicated with the left side of the top of the treatment tank, and a driving motor is fixedly connected with the center of the top of the treatment tank. And the output end of the driving motor penetrates into the treatment tank and is fixedly connected with a stirring blade rod. The stirring blade rod rotates to drive the cross rod to rotate, the cross rod rotates to drive the brush plate to rotate in the treatment tank to brush the inner wall of the treatment tank, and the brush plate rotates to drive the rubber scraper to rotate at the bottom of the inner wall of the treatment tank to scrape settled sludge. Therefore, the effects of flushing the inner wall and the bottom of the device when the sewage is subjected to stirring reaction, accelerating discharge of floccules and precipitated sludge, avoiding attachment and accumulation, improving the sewage purification effect and facilitating use by a user are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to integrated circulating biochemical sewage treatment equipment. Background Art

[0002] Sewage treatment (wastewater treatment) is the process of purifying wastewater to ensure it meets the required quality for discharge into a water body or reuse. Wastewater treatment is widely used in various fields, including construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscapes, healthcare, and catering, and is increasingly becoming part of everyday life.

[0003] A search revealed a Chinese patent application with the number 202121319922.0, which discloses a circulating sewage treatment device comprising a return water tank, a stirring tank mounted on top of which a solids collection tank is mounted on top. This device allows for the separation and collection of solid waste mixed in the sewage, while the stirring tank effectively purifies the sewage.

[0004] Although the above patent is provided with a solid collection box, which can separate the solid waste mixed in the sewage and collect it for treatment; and is provided with a stirring box, which can effectively purify the sewage, in actual use, flocs and sludge precipitation will be produced when the sewage reacts with the reactant. After long-term use, the sludge is easy to adhere to the inner wall of the device and accumulate at the bottom of the device, affecting the sewage purification effect and bringing inconvenience to the user.

[0005] Therefore, it is necessary to modify it and flush the inner wall and bottom of the device when stirring the sewage to accelerate the discharge of flocs and precipitated sludge, avoid adhesion and accumulation, improve the sewage purification effect, and facilitate use by users. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the present invention is to provide an integrated circulating biochemical sewage treatment equipment, which has the advantages of flushing the inner wall and bottom of the device when stirring the sewage, accelerating the discharge of flocs and precipitated sludge, avoiding adhesion and accumulation, improving the sewage purification effect, and being convenient for users to use. It solves the problem that flocs and sludge precipitation will be generated when sewage reacts with reactants, and after long-term use, sludge is easily attached to the inner wall and accumulated at the bottom of the device, affecting the sewage purification effect and causing inconvenience to users.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an integrated circulating biochemical sewage treatment equipment, comprising a treatment tank, an upper portion of the left side of the treatment tank is connected to a water inlet pipe, a surface of the water inlet pipe is provided with a control valve, a left side of the top of the treatment tank is connected to a reactant addition pipe, a center of the top of the treatment tank is fixedly connected to a drive motor, an output end of the drive motor passes through the interior of the treatment tank and is fixedly connected to a stirring blade rod, the bottom end of the stirring blade rod is rotatably connected to the bottom of the inner wall of the treatment tank, a collar is fixedly connected to the upper portion of the surface of the stirring blade rod, and a cross bar is fixedly connected to the left and right sides of the collar, and the top of the cross bar is rotatably connected to the top of the inner wall of the treatment tank The sludge pump is connected to the bottom of the treatment tank through a connecting pipe, and the filter screen is fixedly connected to the top of the sludge sedimentation tank. The top of the sludge sedimentation tank is connected to a circulating pump, and the output end of the circulating pump is connected to the upper right side of the treatment tank through a connecting pipe. An aerator is provided on the left side of the treatment tank, and the output end of the aerator is connected to the right side of the bottom of the water inlet pipe. The bottom of the front of the treatment tank is connected to a drain valve pipe.

[0008] As a preferred embodiment of the present invention, a check valve is connected to the lower right side of the treatment tank through a connecting pipe, the output end of the check valve is connected to the left side of the sludge sedimentation tank through a connecting pipe, and a pressure relief valve is connected to the right side of the top of the treatment tank.

[0009] As a preferred embodiment of the present invention, a slip ring is fixedly connected to the top of the inner wall of the processing tank, a sliding groove is provided at the bottom of the slip ring, a slider is fixedly connected to the top of the cross bar, and the slider is slidably connected to the sliding groove.

[0010] As a preferred embodiment of the present invention, a bearing is fixedly connected below the surface of the stirring blade, a support bracket is fixedly connected to the surface of the bearing, the bottom of the support bracket is rotatably connected to the bottom of the inner wall of the processing tank, and the inner end of the rubber scraper is fixedly connected to the surface of the support bracket.

[0011] As a preferred embodiment of the present invention, a cleaning door is hingedly connected to the surface of the sludge sedimentation box via a hinge, and sealing strips are fixedly connected to the four sides of the cleaning door, and the surface of the sealing strip is in contact with the surface of the sludge sedimentation box.

[0012] As a preferred embodiment of the present invention, an observation slot is provided on the front of the processing tank, transparent tempered glass is fixedly connected to the interior of the observation slot, and a number of evenly distributed water level scale slots are provided on both the left and right sides of the front of the processing tank.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. The utility model injects the sewage to be treated into the interior of the treatment tank through the water inlet pipe, adds the sewage treatment reagent into the treatment tank through the reagent adding pipe, so that the sewage is treated, and the driving motor is started to drive the stirring blade to rotate, stirring the sewage to speed up the reaction speed. At the same time, when the stirring blade rotates, it drives the cross bar to rotate, and the rotation of the cross bar drives the brush plate to rotate inside the treatment tank to scrub the inner wall of the treatment tank, brushing off the flocs and sludge attached to the inner wall. At the same time, when the brush plate rotates, it drives the rubber scraper to rotate at the bottom of the inner wall of the treatment tank to scrape the precipitated sludge, so that it enters the sludge sedimentation box more quickly. After the treated water containing sludge enters the sludge sedimentation tank, the circulating pump is started to send the treated water back to the treatment tank for reaction treatment. The sludge and flocs are blocked by the filter and retained in the sludge sedimentation inside, so that the sewage is treated multiple times in this cycle. At the same time, the aerator can be started to oxygenate the inside of the treatment tank to increase the oxygen content in the treatment tank and speed up the reaction. After the treatment is completed, the drain valve pipe is opened to discharge the treated water, thereby achieving the effect of flushing the inner wall and bottom of the device when stirring the sewage, accelerating the discharge of flocs and precipitated sludge, avoiding attachment and accumulation, improving the sewage purification effect, and facilitating use by users.

[0015] 2. The utility model has a check valve to block the sludge and flocs inside the sludge sedimentation box, so that they will not flow back into the treatment tank when the device is in use, thereby accelerating the sewage treatment effect. By setting a pressure relief valve, the pressure can be relieved when the pressure inside the treatment tank is too high, thereby improving the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure of A;

[0019] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure of B.

[0020] In the figure: 1. Treatment tank; 2. Water inlet pipe; 3. Control valve; 4. Reactant addition pipe; 5. Drive motor; 6. Agitator blade; 7. Ring; 8. Cross bar; 9. Brush plate; 10. Rubber scraper; 11. Sludge sedimentation tank; 12. Filter screen; 13. Circulation pump; 14. Aerator; 15. Drain valve pipe; 16. Check valve; 17. Pressure relief valve; 18. Slip ring; 19. Slide; 20. Slider; 21. Bearing; 22. Support bracket; 23. Cleaning door; 24. Sealing strip; 25. Observation slot; 26. Water level scale slot. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] like Figures 1 to 4 As shown, the integrated circulating biochemical sewage treatment equipment provided by the utility model includes a treatment tank 1, an upper left side of the treatment tank 1 is connected to a water inlet pipe 2, a surface of the water inlet pipe 2 is provided with a control valve 3, the left side of the top of the treatment tank 1 is connected to a reactant addition pipe 4, the center of the top of the treatment tank 1 is fixedly connected to a drive motor 5, the output end of the drive motor 5 passes through the interior of the treatment tank 1 and is fixedly connected to a stirring blade rod 6, the bottom end of the stirring blade rod 6 is rotatably connected to the bottom of the inner wall of the treatment tank 1, a collar 7 is fixedly connected above the surface of the stirring blade rod 6, and a cross bar 8 is fixedly connected to the left and right sides of the collar 7, the top of the cross bar 8 is rotatably connected to the top of the inner wall of the treatment tank 1, and the cross bar 8 is away from the collar. One end of 7 is fixedly connected to a brush plate 9, the brush end of the brush plate 9 is fitted with the inner wall of the treatment tank 1, the bottom of the brush plate 9 is fixedly connected to a rubber scraper 10, the bottom of the rubber scraper 10 is fitted with the bottom of the inner wall of the treatment tank 1, the lower right side of the treatment tank 1 is connected to a sludge sedimentation tank 11 through a connecting pipe, the upper part of the inside of the sludge sedimentation tank 11 is fixedly connected with a filter screen 12, the top of the sludge sedimentation tank 11 is connected to a circulating pump 13, the output end of the circulating pump 13 is connected to the upper right side of the treatment tank 1 through a connecting pipe, an aerator 14 is provided on the left side of the treatment tank 1, the output end of the aerator 14 is connected to the right side of the bottom of the water inlet pipe 2, and the lower front of the treatment tank 1 is connected with a drain valve pipe 15.

[0023] refer to Figure 1 The lower right side of the treatment tank 1 is connected to a check valve 16 through a connecting pipe, the output end of the check valve 16 is connected to the left side of the sludge sedimentation tank 11 through a connecting pipe, and the right side of the top of the treatment tank 1 is connected to a pressure relief valve 17.

[0024] As a technical optimization solution of the present invention, by setting a check valve 16, the sludge and flocs inside the sludge sedimentation box 11 are blocked, so that they will not flow back into the interior of the treatment tank 1 when the device is in use, thereby accelerating the sewage treatment effect. By setting a pressure relief valve 17, the pressure can be relieved when the pressure inside the treatment tank 1 is too high, thereby improving the safety of the device.

[0025] refer to Figure 4 The top of the inner wall of the processing tank 1 is fixedly connected with a slip ring 18, and a slide groove 19 is provided at the bottom of the slip ring 18. The top of the cross bar 8 is fixedly connected with a slider 20, and the slider 20 is slidably connected to the slide groove 19.

[0026] As a technical optimization solution of the present invention, by setting the slip ring 18, the slide groove 19 and the slider 20 for use, the cross bar 8 is reinforced, stabilized and limited, so that the cross bar 8 can only rotate horizontally inside the treatment tank 1, avoiding the cross bar 8 from shaking and tilting during rotation, affecting normal use.

[0027] refer to Figure 3 A bearing 21 is fixedly connected to the bottom of the surface of the stirring blade 6, and a support bracket 22 is fixedly connected to the surface of the bearing 21. The bottom of the support bracket 22 is rotatably connected to the bottom of the inner wall of the processing tank 1, and the inner end of the rubber scraper 10 is fixedly connected to the surface of the support bracket 22.

[0028] As a technical optimization solution of the present invention, by setting the bearing 21 and the support bracket 22 in conjunction with each other, a supporting and limiting role is played on the bottom of the stirring blade 6, thereby preventing the stirring blade 6 from shaking and tilting during rotation. At the same time, a stretching and reinforcement role is played on the rubber scraper 10, so that its bottom can always fit with the bottom of the inner wall of the treatment tank 1, thereby improving the effect of scraping sludge.

[0029] refer to Figure 1 The surface of the sludge sedimentation box 11 is hinged with a cleaning door 23 through a hinge. The cleaning door 23 is fixedly connected with a sealing strip 24 on all sides. The surface of the sealing strip 24 is in contact with the surface of the sludge sedimentation box 11.

[0030] As a technical optimization solution of the present invention, by providing a cleaning door 23, the sludge and flocs inside the sludge sedimentation box 11 can be conveniently cleaned by opening the cleaning door 23 after the device is used, which is convenient for users to use. By providing a sealing strip 24, a sealing effect is achieved on the gap between the cleaning door 23 and the sludge sedimentation box 11, thereby preventing water from flowing out of the gap and causing inconvenience to the user.

[0031] refer to Figure 1An observation slot 25 is provided on the front of the treatment tank 1 , and a transparent tempered glass is fixedly connected to the inside of the observation slot 25 . A number of evenly distributed water level scale slots 26 are provided on the left and right sides of the front of the treatment tank 1 .

[0032] As a technical optimization solution of the present invention, by setting up an observation groove 25, the user can conveniently check the sewage treatment status inside the treatment tank 1, which increases the convenience of the device. By setting up a water level scale groove 26, the water level status inside the treatment tank 1 can be intuitively seen, which is convenient for the user to inject and discharge sewage.

[0033] The working principle and use process of the utility model are as follows: the sewage to be treated is injected into the interior of the treatment tank 1 through the water inlet pipe 2, and the sewage treatment reactant is added into the treatment tank 1 through the reactant adding pipe 4, so that it can treat the sewage. The driving motor 5 is started to drive the stirring blade 6 to rotate, and the sewage is stirred to speed up the reaction speed. At the same time, when the stirring blade 6 rotates, it drives the cross bar 8 to rotate, and the rotation of the cross bar 8 drives the brush plate 9 to rotate inside the treatment tank 1 to scrub the inner wall of the treatment tank 1, and brush off the flocs and sludge attached to the inner wall. At the same time, when the brush plate 9 rotates, it drives the rubber scraper 10 to rotate at the bottom of the inner wall of the treatment tank 1 to scrape the settled sludge, so that it can enter the sewage more quickly. In the sludge sedimentation tank 11, the treated water containing sludge enters the sludge sedimentation tank 11 and is sent back to the treatment tank 1 for reaction treatment by starting the circulation pump 13. The sludge and flocs are blocked by the filter screen 12 and are retained in the sludge and precipitated inward, so that the sewage is treated multiple times in this cycle. At the same time, the aerator 14 can be started to oxygenate the inside of the treatment tank 1 to increase the oxygen content in the treatment tank 1 and accelerate the reaction speed. After the treatment is completed, the drain valve pipe 15 is opened to discharge the treated water, thereby achieving the effect of flushing the inner wall and bottom of the device when stirring the sewage, accelerating the discharge of flocs and precipitated sludge, avoiding adhesion and accumulation, improving the sewage purification effect, and facilitating use by users.

[0034] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated circulating biochemical sewage treatment device, comprising a treatment tank (1), characterized in that: The upper portion of the left side of the treatment tank (1) is connected to a water inlet pipe (2), a control valve (3) is provided on the surface of the water inlet pipe (2), the left side of the top of the treatment tank (1) is connected to a reactant addition pipe (4), the center of the top of the treatment tank (1) is fixedly connected to a drive motor (5), the output end of the drive motor (5) passes through the interior of the treatment tank (1) and is fixedly connected to a stirring blade rod (6), the bottom end of the stirring blade rod (6) is rotatably connected to the bottom of the inner wall of the treatment tank (1), the upper portion of the surface of the stirring blade rod (6) is fixedly connected to a collar (7), the left and right sides of the collar (7) are fixedly connected to a cross bar (8), the top of the cross bar (8) is rotatably connected to the top of the inner wall of the treatment tank (1), and the end of the cross bar (8) away from the collar (7) is fixedly connected to a brush plate (9). The brush end of the brush plate (9) is fitted with the inner wall of the treatment tank (1), the bottom of the brush plate (9) is fixedly connected to a rubber scraper (10), and the bottom of the rubber scraper (10) is fitted with the bottom of the inner wall of the treatment tank (1). The lower right side of the treatment tank (1) is connected to a sludge sedimentation box (11) through a connecting pipe, and the upper part of the interior of the sludge sedimentation box (11) is fixedly connected to a filter screen (12). The top of the sludge sedimentation box (11) is connected to a circulation pump (13), and the output end of the circulation pump (13) is connected to the upper right side of the treatment tank (1) through a connecting pipe. An aerator (14) is provided on the left side of the treatment tank (1), and the output end of the aerator (14) is connected to the right side of the bottom of the water inlet pipe (2). The lower front side of the treatment tank (1) is connected to a drain valve pipe (15).

2. The integrated circulating biochemical sewage treatment equipment according to claim 1, characterized in that: A check valve (16) is connected to the lower side of the right side of the treatment tank (1) through a connecting pipe, and an output end of the check valve (16) is connected to the left side of the sludge sedimentation tank (11) through a connecting pipe. A pressure relief valve (17) is connected to the right side of the top of the treatment tank (1).

3. The integrated circulating biochemical sewage treatment equipment according to claim 1 is characterized in that: A slip ring (18) is fixedly connected to the top of the inner wall of the processing tank (1), a sliding groove (19) is provided at the bottom of the slip ring (18), a slider (20) is fixedly connected to the top of the cross bar (8), and the slider (20) is slidably connected to the sliding groove (19).

4. The integrated circulating biochemical sewage treatment equipment according to claim 1, characterized in that: A bearing (21) is fixedly connected below the surface of the stirring blade (6), a support bracket (22) is fixedly connected to the surface of the bearing (21), the bottom of the support bracket (22) is rotatably connected to the bottom of the inner wall of the processing tank (1), and the inner end of the rubber scraper (10) is fixedly connected to the surface of the support bracket (22).

5. The integrated circulating biochemical sewage treatment equipment according to claim 1 is characterized in that: The surface of the sludge sedimentation box (11) is hinged with a cleaning door (23) through a hinge, and the four sides of the cleaning door (23) are fixedly connected with sealing strips (24), and the surface of the sealing strips (24) is in contact with the surface of the sludge sedimentation box (11).

6. The integrated circulating biochemical sewage treatment equipment according to claim 1, characterized in that: An observation slot (25) is provided on the front of the treatment tank (1), and transparent tempered glass is fixedly connected to the interior of the observation slot (25). A plurality of evenly distributed water level scale slots (26) are provided on both the left and right sides of the front of the treatment tank (1).

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