Multi-stage purification sewage treatment equipment

Abstract

The invention discloses multi-stage purification sewage treatment equipment, and belongs to the technical field of sewage treatment equipment.The multi-stage purification sewage treatment equipment comprises a base, a support is fixedly connected to the base, a purification box is fixedly connected between the top of the support and the base, and a water guide cone plate is fixedly connected to the interior of the purification box; a filtering mechanism and a chemical adding mechanism are installed on the upper portion and the lower portion of the water guiding cone plate respectively, the filtering mechanism is used for further filtering and purifying sewage, and the chemical adding mechanism is used for opening and closing a chemical box and conducting rotary type uniform chemical adding and purifying on the sewage. The sewage treatment device has the advantages that the sewage treatment device is simple in structure and convenient to use, sewage purification treatment efficiency is improved, sewage can be subjected to rotary uniform dosing and automatic mixing and stirring through linkage cooperation of the discharging mechanism, the medicine box and the medicine adding mechanism, medicine adding uniformity is effectively enhanced, full reaction of medicines is facilitated, and sewage purification work efficiency is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of sewage treatment equipment, and particularly relates to a sewage treatment equipment with multi-stage purification. Background Art

[0002] Sewage generally refers to the discharged water from life and production that is contaminated to a certain extent. Sewage mainly includes domestic sewage, industrial sewage, and initial rainwater. The main pollutants in sewage are pathogenic pollutants, oxygen-consuming pollutants, plant nutrients, and toxic pollutants, etc. Sewage treatment is to use physical, chemical, and biological methods to treat sewage, purify the sewage, reduce pollution, so as to achieve the purpose of sewage recycling and reuse, and make full use of water resources. With the development of science, there are various sewage treatment devices with more and more powerful functions.

[0003] Therefore, a Chinese patent with the patent number CN218345313U discloses a multi-stage purification device for sewage treatment, including a purification tank. A V-shaped leak plate is fixedly sleeved inside the purification tank, which can preliminarily filter sewage. At the same time, with the cooperation of an activated carbon layer and a diatomite package, it can further adsorb toxic substances and heavy metals in the sewage. At the same time, with the cooperation of a motor, a stirring paddle, a single-hole plate, a feed pipe, and an L-shaped baffle, sewage purification agents can be added and stirred and mixed with the sewage to precipitate impurities in the sewage, and further purify the sewage. At the same time, under the action of zeolite, it can adsorb toxic substances and heavy metals in the sewage again for adsorption, that is, effectively improve the sewage treatment effect, that is, effectively ensure that the treated sewage can be directly put into use.

[0004] However, directly putting the purification agent into the sewage and stirring and mixing it in the above device may cause the situation that the concentration of the purification agent is too high in some areas while insufficient in other areas, easily resulting in the phenomenon of uneven mixing of the purification agent. Even if the stirring speed is increased, it is time-consuming, thus affecting the efficiency of sewage purification treatment. Summary of the Invention

[0005] Aiming at the problems existing in the prior art, the present invention provides a sewage treatment equipment with multi-stage purification, which has the advantages of being able to perform multi-stage treatment on sewage, improving the efficiency of sewage purification treatment. Through the linkage and cooperation of a discharging mechanism, a medicine box, and a medicine adding mechanism, while uniformly dosing the sewage in a rotary manner, it can also perform automatic mixing and stirring, effectively enhancing the uniformity of medicine dosing, facilitating the full reaction of the medicine, and improving the working efficiency of sewage purification. It solves the problem that directly putting the purification agent into the sewage and stirring and mixing it in the prior art may cause the situation that the concentration of the purification agent is too high in some areas while insufficient in other areas, easily resulting in the phenomenon of uneven mixing of the purification agent. Even if the stirring speed is increased, it is time-consuming, thus affecting the efficiency of sewage purification treatment.

[0006] The present invention is implemented as follows: a multi-stage purification sewage treatment equipment includes a base, a bracket is fixedly connected to the base, a purification box is fixedly connected between the top of the bracket and the base, a water inlet bucket is fixedly connected to the top of the purification box, a discharge mechanism is installed on the water inlet bucket, the discharge mechanism is used to crush solid waste in the sewage and automatically discharge it, a medicine box is rotatably installed on the outside of the purification box, a water guide cone plate is fixedly connected to the inside of the purification box, a filtering mechanism and a dosing mechanism are respectively installed above and below the water guide cone plate, the filtering mechanism is used to further filter and purify the sewage, and the dosing mechanism is used to switch the medicine box and perform rotary and uniform dosing purification on the sewage.

[0007] With this arrangement, the solid waste in the sewage is initially filtered and automatically discharged through the discharge mechanism, and then enters the filtering mechanism to perform secondary and tertiary filtration on the sewage, and then enters the bottom of the purification box to be purified again through the dosing mechanism, which effectively improves the efficiency of sewage purification. In addition, through the linkage cooperation of the discharge mechanism, the medicine box and the dosing mechanism, the sewage can be evenly dosed with medicine in a rotating manner and can also be automatically mixed and stirred, which effectively enhances the uniformity of the medicine delivery, makes the reaction between the medicine and the sewage more complete, and further improves the working efficiency of the sewage purification.

[0008] As a preferred embodiment of the present invention, the discharging mechanism includes a breaking rod, a fixing seat is fixedly connected to the top of the purification box, the breaking rod is connected between the fixing seat and the water inlet bucket through a bearing, a breaking spiral blade is sleeved and fixed on the breaking rod, a slag discharge pipe is fixedly connected to the side wall of the water inlet bucket, the breaking spiral blade extends to the slag discharge pipe, a motor is fixedly connected to the top of the bracket, the output end of the motor is fixedly connected to the outer end of the breaking rod, and a main bevel gear is sleeved and fixed on the outer end of the breaking rod.

[0009] This arrangement facilitates the stable installation of the crushing rod, facilitates the crushing rod to drive the crushing spiral blade to rotate, stirs and crushes the solid waste in the sewage and transports it to the slag discharge pipe for automatic discharge, improves the sewage filtration efficiency, and is easy to use.

[0010] As a preferred embodiment of the present invention, the medicine box is sleeved on the outer wall of the purification box through a bearing, a switch part is slidably connected to the inner wall of the medicine box, a clearance ring groove is opened on the purification box, and the switch part corresponds to the clearance ring groove, the top of the medicine box is fixedly connected to an outer gear cylinder, the side wall of the purification box is fixedly connected to a fixing block, the fixing block is connected with a vertical rod through a bearing, the upper end of the vertical rod is sleeved and fixed with a slave bevel gear, the slave bevel gear is meshingly connected to the main bevel gear, the lower end of the vertical rod is sleeved and fixed with a gear ring, the gear ring and the outer gear cylinder are meshingly connected, and the top of the medicine box corresponding to the outer periphery of the outer gear cylinder is fixedly connected with a medicine inlet pipe.

[0011] This arrangement improves the installation stability between the medicine box and the purification box, facilitates the breaker rod to drive the vertical rod to rotate through the main bevel gear and the slave bevel gear, facilitates the vertical rod to drive the medicine box to rotate through the gear ring and the outer gear cylinder, and facilitates the medicine inlet pipe to add liquid purification agent into the interior of the medicine box.

[0012] As a preferred embodiment of the present invention, the opening and closing member includes a door cover plate, a medicine outlet is opened on the inner wall of the medicine box, the door cover plate is slidably connected to the medicine outlet, a rubber sealing gasket is fixedly connected to the door cover plate, a shift block is fixedly connected to one end of the door cover plate, the shift block slides along the yield ring groove and the medicine outlet and its end extends into the interior of the purification box, and the shift block and the medicine outlet are fixedly connected by a spring.

[0013] This arrangement facilitates the door cover to seal the medicine outlet, that is, to close the medicine outlet to stop medicine administration, and facilitates the door cover to slide away from the medicine outlet and squeeze the spring, that is, to open the medicine outlet to administer medicine to the interior of the purification box.

[0014] As a preferred embodiment of the present invention, the drug adding mechanism includes a rotating rod, which is connected to the inner bottom of the purification box through a bearing, and a stirring rod is fixedly connected to the rotating rod, connecting rods are fixedly connected to both sides of the top of the rotating rod, a guide tube is fixedly connected to the connecting rod on one side, and a uniformly distributed drug outlet tube is fixedly connected to the bottom of the guide tube, and a guide block is fixedly connected to the end of the guide tube, the guide block fits the inner wall of the purification box and slides, and the guide block slides against the shift block.

[0015] With this arrangement, when medicine is being dosed, the medicine box rotates clockwise, driving the shifting block to reach one end of the guide block, and the guide block pushes the shifting block to squeeze and contract the spring, and the shifting block drives the door cover to slide, and then the opened medicine outlet corresponds to the guide block, that is, the guide block blocks the opened medicine outlet, and then the medicine liquid passes through the medicine outlet, the guide block and the guide pipe to the medicine outlet pipe and is sprayed into the interior of the purification box. At the same time, the medicine box drives the guide block to rotate synchronously through the shifting block, and then drives the rotating rod and the stirring rod to rotate, so as to realize the rotary uniform dosing operation and mix and stir the sewage and the medicine, effectively enhancing the full reaction efficiency of the purification agent and the sewage, and improving the purification efficiency; When the medicine feeding is stopped, the medicine box rotates counterclockwise, driving the shift block to separate from one end of the guide block, which can drive the spring, the shift block and the door cover to reset and close the medicine outlet. The shift block reaches the other end of the guide block and pushes the guide block to rotate synchronously, which is convenient for driving the rotating rod and the stirring rod to continue rotating for stirring and mixing. When stirring is not needed, the motor can be stopped, and the operation is flexible.

[0016] As a preferred embodiment of the present invention, a guide hole is provided through the middle of the guide block, and the guide hole is connected with the medicine outlet, the guide pipe and the medicine outlet pipe.

[0017] With this setting, it is convenient for the diversion block to connect to the medicine outlet, the diversion pipe and the medicine discharge pipe, facilitating the injection of the liquid medicine into the sewage in the purification box for the medicine injection and purification work.

[0018] Preferably in the present invention, a UV photolysis lamp is fixedly installed on the other side of the connecting rod through bolts.

[0019] With this setting, the ultraviolet rays emitted by the UV photolysis lamp are introduced into the sewage, which has the functions of sterilization and disinfection, decomposing organic pollutants, promoting oxidation reactions and removing odors. Moreover, the rotating rod drives the UV photolysis lamp to rotate through the connecting rod, facilitating the uniform and comprehensive sterilization and purification operation of the sewage, and further improving the sewage purification efficiency.

[0020] Preferably in the present invention, the filtering mechanism includes a coarse filtering plate, a fine filtering plate and a spiral water guide plate. The coarse filtering plate is fixedly connected to the top of the purification box body, the fine filtering plate is fixedly connected to the inside of the purification box body, the spiral water guide plate is fixedly connected to the bottom of the fine filtering plate. A support rod passes through the middle parts of the fine filtering plate, the spiral water guide plate and the water guide cone plate. The support rod is connected to the fine filtering plate through a bearing. The bottom of the support rod is fixedly connected to the top of the rotating rod, and the support rod is in contact with and slides on the spiral water guide plate.

[0021] With this setting, the solid waste of the sewage can be initially filtered through the discharging mechanism and the coarse filtering plate, the fine waste in the sewage can be secondarily filtered through the fine filtering plate, and the harmful substances in the sewage can be adsorbed and deodorized through the spiral water guide plate for the third filtering.

[0022] Preferably in the present invention, a scraping plate is fixedly connected to the upper side wall of the support rod. The scraping plate is slidably connected to the coarse filtering plate and the fine filtering plate. An activated carbon adsorption layer is fixedly installed at the bottom of the spiral water guide plate. The activated carbon adsorption layer is distributed in a spiral structure along the spiral water guide plate.

[0023] With this setting, through the cooperation of the filtering mechanism and the medicine adding mechanism, it is convenient for the rotating rod to drive the support rod to rotate synchronously, and then it is convenient to drive the scraping plate to rotate, so that the scraping plate rotates and scrapes the coarse filtering plate and the fine filtering plate, effectively avoiding the blockage of the coarse filtering plate and the fine filtering plate, facilitating the full filtration and discharge of the sewage. Through the spiral structure of the activated carbon adsorption layer, it is convenient to increase the contact area between the sewage and the activated carbon adsorption layer, facilitating the full contact of the sewage with the activated carbon adsorption layer, which is conducive to strengthening the adsorption and deodorization of organic pollutants and heavy metal ions in the sewage by the activated carbon adsorption layer and enhancing the purification effect.

[0024] Compared with the prior art, the beneficial effects of the present invention are as follows: Through the crushing rod, crushing spiral blade, slag discharge pipe and coarse filter plate, it is convenient to initially filter and purify the solid waste in the sewage, and automatically crush and discharge the waste; Through the fine filter plate, it is convenient to conduct secondary filtration and purification on the fine waste in the sewage. Through the spiral water guide plate, it is convenient to conduct tertiary adsorption and purification on the sewage. Through the cooperation of the medicine box, opening and closing member, diversion block, diversion pipe and medicine outlet pipe, four - time drug addition and purification is carried out. Through the UV photolysis lamp, five - time sterilization and purification is carried out, effectively improving the efficiency of sewage purification treatment; Moreover, through the linkage and cooperation of the discharging mechanism, medicine box and medicine adding mechanism, while uniformly dosing the sewage in a rotary manner, automatic mixing and stirring can be carried out, effectively enhancing the uniformity of medicine dosing, making the reaction between the medicine and the sewage more sufficient, thereby further improving the working efficiency of sewage purification treatment. Through the cooperation of the filtering mechanism and the medicine adding mechanism, the rotating rod drives the supporting rod and the scraping plate to rotate and scrape the coarse filter plate and the fine filter plate, avoiding blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is the front - view structural schematic diagram provided by the embodiment of the present invention; Figure 2 is the side - view structural schematic diagram provided by the embodiment of the present invention; Figure 3 is the internal - structure schematic diagram provided by the embodiment of the present invention; Figure 4 is the cross - sectional structural schematic diagram of the water inlet hopper provided by the embodiment of the present invention; Figure 5 is provided by the embodiment of the present invention Figure 3 the cross - sectional structural schematic diagram at the diversion block; Figure 6 is the top - view structural schematic diagram of the medicine box provided by the embodiment of the present invention; Figure 7 is provided by the embodiment of the present invention Figure 6 the cross - sectional structural schematic diagram of the top of the medicine box; Figure 8 is provided by the embodiment of the present invention Figure 3 the enlarged structural schematic diagram at A in;

[0026] In the figure: 1, base; 101, bracket; 2, purification box; 201, coarse filter plate; 202, water guide cone plate; 203, give way ring groove; 3, water inlet bucket; 301, slag discharge pipe; 302, crushing rod; 303, motor; 304, fixed seat; 305, crushing spiral blade; 306, main bevel gear; 4, support rod; 401, fine filter plate; 402, spiral water guide plate; 403, activated carbon adsorption layer; 404, Sweeping plate; 5. Medicine box; 501. Medicine inlet pipe; 502. Medicine outlet; 6. External gear cylinder; 601. Vertical rod; 602. Slave bevel gear; 603. Gear ring; 604. Fixed block; 7. Rotating rod; 701. Stirring rod; 702. Connecting rod; 703. Guide pipe; 704. Guide block; 705. Guide hole; 706. Medicine outlet pipe; 707. UV photolysis lamp; 8. Door cover; 801. Diverter block; 802. Spring. DETAILED DESCRIPTION

[0027] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0028] The structure of the present invention is described in detail below in conjunction with the accompanying drawings.

[0029] refer to Figures 1 to 8 As shown, a multi-stage purification sewage treatment equipment provided by an embodiment of the present invention includes a base 1, a bracket 101 is fixedly connected to the base 1, a purification box 2 is fixedly connected between the top of the bracket 101 and the base 1, a water inlet hopper 3 is fixedly connected to the top of the purification box 2, a discharge mechanism is installed on the water inlet hopper 3, the discharge mechanism is used to crush solid waste in the sewage and automatically discharge it, a medicine box 5 is rotatably installed on the outside of the purification box 2, a water guide cone plate 202 is fixedly connected to the inside of the purification box 2, a filtering mechanism and a dosing mechanism are respectively installed above and below the water guide cone plate 202, the filtering mechanism is used to further filter and purify the sewage, and the dosing mechanism is used to switch the medicine box 5 and perform rotary and uniform dosing purification on the sewage.

[0030] By adopting the above scheme, the solid waste in the sewage is initially filtered and automatically discharged through the discharge mechanism, and then enters the filtering mechanism to perform secondary and tertiary filtration on the sewage, and then enters the bottom of the purification box 2 to be purified again by the dosing mechanism, which effectively improves the efficiency of sewage purification. In addition, through the linkage cooperation of the discharge mechanism, the medicine box 5 and the dosing mechanism, the sewage can be evenly dosed with medicine in a rotating manner and can also be automatically mixed and stirred, which effectively enhances the uniformity of the medicine delivery, makes the reaction between the medicine and the sewage more complete, and further improves the working efficiency of the sewage purification.

[0031] Specifically, the discharging mechanism includes a crushing rod 302, a fixing seat 304 is fixedly connected to the top of the purification box 2, the crushing rod 302 is connected between the fixing seat 304 and the water inlet bucket 3 through a bearing, a crushing spiral blade 305 is sleeved and fixed on the crushing rod 302, a slag discharge pipe 301 is fixedly connected to the side wall of the water inlet bucket 3, the crushing spiral blade 305 extends to the slag discharge pipe 301, and a motor 303 is fixedly connected to the top of the bracket 101, the output end of the motor 303 is fixedly connected to the outer end of the crushing rod 302, and a main bevel gear 306 is sleeved and fixed on the outer end of the crushing rod 302.

[0032] The above scheme facilitates the stable installation of the crushing rod 302, and facilitates the crushing rod 302 to drive the crushing spiral blade 305 to rotate, so as to stir and crush the solid waste in the sewage and transport it to the slag discharge pipe 301 for automatic discharge, thereby improving the sewage filtration efficiency and being easy to use.

[0033] Specifically, the medicine box 5 is sleeved on the outer wall of the purification box 2 through a bearing, and a switch component is slidably connected to the inner wall of the medicine box 5. A clearance ring groove 203 is opened on the purification box 2, and the switch component corresponds to the clearance ring groove 203. The top of the medicine box 5 is fixedly connected with an outer gear cylinder 6, and a fixing block 604 is fixedly connected to the side wall of the purification box 2. A vertical rod 601 is penetrated and connected to the fixed block 604 through a bearing, and a slave bevel gear 602 is sleeved and fixed on the upper end of the vertical rod 601, and the slave bevel gear 602 is meshingly connected with the main bevel gear 306. The lower end of the vertical rod 601 is sleeved and fixed with a gear ring 603, and the gear ring 603 is meshingly connected to the outer gear cylinder 6, and the top of the medicine box 5 corresponding to the outer periphery of the outer gear cylinder 6 is fixedly connected with a medicine inlet pipe 501.

[0034] By adopting the above scheme, the installation stability between the medicine box 5 and the purification box 2 is improved, the breaking rod 302 is convenient for driving the vertical rod 601 to rotate through the main bevel gear 306 and the slave bevel gear 602, and the vertical rod 601 is convenient for driving the medicine box 5 to rotate through the gear ring 603 and the outer gear cylinder 6, and the medicine inlet pipe 501 is convenient for adding liquid purification agent into the interior of the medicine box 5.

[0035] Specifically, the opening and closing member includes a door cover plate 8, and a medicine outlet 502 is provided on the inner wall of the medicine box 5. The door cover plate 8 is slidably connected to the medicine outlet 502. A rubber sealing pad is fixedly connected to the door cover plate 8. A shift block 801 is fixedly connected to one end of the door cover plate 8. The shift block 801 slides along the yielding ring groove 203 and the medicine outlet 502 and its end extends into the interior of the purification box 2. The shift block 801 and the medicine outlet 502 are fixedly connected by a spring 802.

[0036] With the above solution, it is convenient for the door cover plate 8 to seal the medicine outlet 502, that is, to close the medicine outlet 502 to stop dosing. It is convenient for the door cover plate 8 to slide away from the medicine outlet 502 and compress the spring 802, that is, to open the medicine outlet 502 to carry out the dosing work inside the purification box body 2.

[0037] Specifically, the dosing mechanism includes a rotating rod 7, the rotating rod 7 is connected to the inner bottom of the purification box body 2 through a bearing, a stirring rod 701 is fixedly connected to the rotating rod 7, both sides of the top of the rotating rod 7 are fixedly connected with connecting rods 702, a guide pipe 703 is fixedly connected to one of the connecting rods 702, a plurality of uniformly distributed medicine outlet pipes 706 are fixedly connected to the bottom of the guide pipe 703, a guide block 704 is fixedly connected to the end of the guide pipe 703, the guide block 704 fits against and slides on the inner wall of the purification box body 2, and the guide block 704 slides against and contacts a dial block 801.

[0038] With the above solution, when dosing, the medicine box 5 rotates clockwise, driving the dial block 801 to reach one end of the guide block 704. The guide block 704 pushes the dial block 801 to compress and contract the spring 802. The dial block 801 drives the door cover plate 8 to slide, and then the opened medicine outlet 502 corresponds to the guide block 704, that is, the guide block 704 blocks the opened medicine outlet 502. Subsequently, the liquid medicine passes through the medicine outlet 502, the guide block 704 and the guide pipe 703 to the medicine outlet pipes 706 and is sprayed into the purification box body 2. At the same time, the medicine box 5 drives the guide block 704 to rotate synchronously through the dial block 801, and then drives the rotating rod 7 and the stirring rod 701 to rotate, realizing a rotary uniform dosing operation and being able to mix and stir the sewage and the medicine, effectively enhancing the full reaction efficiency of the purification medicine and the sewage and improving the purification efficiency. When dosing stops, the medicine box 5 rotates counterclockwise, driving the dial block 801 to disengage from one end of the guide block 704, which can drive the spring 802 to reset, the dial block 801 to reset, and the door cover plate 8 to reset to close the medicine outlet 502. The dial block 801 reaches the other end of the guide block 704 and pushes the guide block 704 to rotate synchronously, which is convenient for driving the rotating rod 7 and the stirring rod 701 to continue rotating for mixing work. When stirring is not required, just stop the motor 303, and the operation is flexible.

[0039] Specifically, a guide hole 705 runs through the middle of the guide block 704, and the guide hole 705 is communicated with the medicine outlet 502, the guide pipe 703 and the medicine outlet pipes 706.

[0040] With the above solution, it is convenient for the guide block 704 to communicate with the medicine outlet 502, the guide pipe 703 and the medicine outlet pipes 706, facilitating the injection of the liquid medicine into the sewage in the purification box body 2 for dosing and purification work.

[0041] Specifically, a UV photocatalytic lamp 707 is fixedly installed on the other side of the connecting rod 702 through bolts.

[0042] With the above solution, the ultraviolet rays emitted by the UV photocatalytic lamp are introduced into the sewage, which has the functions of sterilization and disinfection, decomposing organic pollutants, promoting oxidation reactions, and removing odors. Moreover, the rotating rod 7 drives the UV photocatalytic lamp to rotate through the connecting rod 702, facilitating uniform and comprehensive sterilization and purification operations on the sewage, and further improving the sewage purification efficiency.

[0043] Specifically, the filtering mechanism includes a coarse filtering plate 201, a fine filtering plate 401, and a spiral water guide plate 402. The coarse filtering plate 201 is fixedly connected to the top of the purification box body 2, the fine filtering plate 401 is fixedly connected to the inside of the purification box body 2, the spiral water guide plate 402 is fixedly connected to the bottom of the fine filtering plate 401, and a support rod 4 penetrates between the middle parts of the fine filtering plate 401, the spiral water guide plate 402, and the water guide cone plate 202. The support rod 4 is connected to the fine filtering plate 401 through a bearing, and the bottom of the support rod 4 is fixedly connected to the top of the rotating rod 7. The support rod 4 is in contact with and slides on the spiral water guide plate 402.

[0044] With the above solution, the solid waste of the sewage can be initially filtered through the discharging mechanism and the coarse filtering plate 201, the fine waste in the sewage can be secondarily filtered through the fine filtering plate 401, and the harmful substances in the sewage can be adsorbed and deodorized through the spiral water guide plate 402 for a third filtration.

[0045] Specifically, a scraping plate 404 is fixedly connected to the upper side wall of the support rod 4. The scraping plate 404 is slidably connected between the coarse filtering plate 201 and the fine filtering plate 401. An activated carbon adsorption layer 403 is fixedly installed at the bottom of the spiral water guide plate 402. The activated carbon adsorption layer 403 is distributed in a spiral structure along the spiral water guide plate 402.

[0046] With the above solution, through the cooperation of the filtering mechanism and the medicine adding mechanism, it is convenient for the rotating rod 7 to drive the support rod 4 to rotate synchronously, and then it is convenient to drive the scraping plate 404 to rotate, so that the scraping plate 404 rotates and scrapes the coarse filtering plate 201 and the fine filtering plate 401, effectively avoiding the blocking phenomenon of the coarse filtering plate 201 and the fine filtering plate 401, facilitating the full filtration and discharge of the sewage. Through the spiral structure of the activated carbon adsorption layer 403, it is convenient to increase the contact area between the sewage and the activated carbon adsorption layer 403, facilitating the full contact of the sewage with the activated carbon adsorption layer 403, which is beneficial to strengthening the adsorption and deodorization of organic pollutants and heavy metal ions in the sewage by the activated carbon adsorption layer 403 and enhancing the purification effect.

[0047] The working principle of the present invention: During use, start the motor 303 to drive the crushing rod 302 to rotate. Through the main bevel gear 306, the driven bevel gear 602, the vertical rod 601, the toothed ring 603 and the outer tooth cylinder 6, the medicine box 5 is driven to rotate counterclockwise. The door cover plate 8 closes the medicine outlet 502 of the medicine box 5, drives the dial block 801 to push the diversion block 704, and then drives the diversion pipe 703, the connecting rod 702, the rotating rod 7, the stirring rod 701 and the support rod 4 to rotate.

[0048] Introduce the sewage from the water inlet hopper 3. The crushing rod 302 drives the crushing spiral blade 305 to rotate, crush the waste material and convey it to the slag discharge pipe 301. The sewage is initially filtered and purified through the coarse filter plate 201 and secondarily filtered and purified through the fine filter plate 401. And the support rod 4 drives the scraping plate 404 to scrape the coarse filter plate 201 and the fine filter plate 401 in a rotating manner, effectively avoiding blockage. Then it undergoes three adsorption purifications through the spiral water guide plate 402 and the activated carbon adsorption layer 403, and then enters the bottom of the purification box body 2 through the water guide cone plate 202.

[0049] When dispensing medicine, the medicine box 5 rotates clockwise, drives the dial block 801 to reach one end of the diversion block 704. The diversion block 704 pushes the dial block 801 to squeeze and contract the spring 802. The dial block 801 drives the door cover plate 8 to slide, and then the opened medicine outlet 502 corresponds to the diversion block 704, that is, the diversion block 704 blocks the opened medicine outlet 502. Subsequently, the liquid medicine passes through the medicine outlet 502, the diversion block 704 and the diversion pipe 703 to the medicine outlet pipe 706 and is sprayed into the interior of the purification box body 2. At the same time, the medicine box 5 drives the diversion block 704 to rotate synchronously through the dial block 801, and then drives the rotating rod 7 and the stirring rod 701 to rotate, realizing a rotating and uniform medicine dispensing operation and being able to mix and stir the sewage and the medicine, effectively enhancing the full reaction efficiency of the purification medicine and the sewage and improving the purification efficiency. When stopping dispensing medicine, just perform the reverse operation as above. It is convenient and flexible to use. And the rotating rod 7 and the connecting rod 702 drive the UV photocatalytic lamp to rotate, comprehensively sterilize and purify the sewage, and effectively improve the purification efficiency of the sewage.

[0050] It should be noted that in this article, relational terms such as first and second are only used 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 term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0051] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art will appreciate that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage purification sewage treatment device, comprising a base (1), characterized in that: The base (1) is fixedly connected to a bracket (101), a purification box (2) is fixedly connected between the top of the bracket (101) and the base (1), a water inlet bucket (3) is fixedly connected to the top of the purification box (2), a discharge mechanism is installed on the water inlet bucket (3), and the discharge mechanism is used to crush solid waste in the sewage and automatically discharge it, a medicine box (5) is rotatably installed on the outside of the purification box (2), a water guide cone plate (202) is fixedly connected to the inside of the purification box (2), and a filtering mechanism and a dosing mechanism are installed above and below the water guide cone plate (202), respectively, the filtering mechanism is used to further filter and purify the sewage, and the dosing mechanism is used to open and close the medicine box (5) and perform rotary and uniform dosing of the sewage for purification.

2. A multi-stage sewage treatment equipment as claimed in claim 1, characterized in that: The discharging mechanism comprises a crushing rod (302); a fixing seat (304) is fixedly connected to the top of the purification box (2); the crushing rod (302) is connected between the fixing seat (304) and the water inlet bucket (3) via a bearing; a crushing spiral blade (305) is sleeved and fixed on the crushing rod (302); a slag discharge pipe (301) is fixedly connected to the side wall of the water inlet bucket (3); the crushing spiral blade (305) extends to the slag discharge pipe (301); a motor (303) is fixedly connected to the top of the bracket (101); an output end of the motor (303) is fixedly connected to the outer end of the crushing rod (302); and a main bevel gear (306) is sleeved and fixed on the outer end of the crushing rod (302).

3. A multi-stage purification sewage treatment equipment as claimed in claim 2, characterized in that: The medicine box (5) is sleeved on the outer wall of the purification box (2) via a bearing, a switch element is slidably connected to the inner wall of the medicine box (5), a clearance ring groove (203) is provided on the purification box (2), and the switch element corresponds to the clearance ring groove (203), an outer gear cylinder (6) is fixedly connected to the top of the medicine box (5), and a fixed block (604) is fixedly connected to the side wall of the purification box (2), and the fixed block (604) is connected to the shaft. A vertical rod (601) is connected through the bearing, a slave bevel gear (602) is sleeved and fixed on the upper end of the vertical rod (601), the slave bevel gear (602) is meshingly connected with the main bevel gear (306), a gear ring (603) is sleeved and fixed on the lower end of the vertical rod (601), the gear ring (603) is meshingly connected with the outer gear cylinder (6), and a medicine inlet pipe (501) is fixedly connected to the top of the medicine box (5) corresponding to the outer periphery of the outer gear cylinder (6).

4. A multi-stage purification sewage treatment equipment as claimed in claim 3, characterized in that: The opening and closing member comprises a door cover plate (8), a medicine outlet (502) is provided on the inner side wall of the medicine box (5), the door cover plate (8) is slidably connected to the medicine outlet (502), a rubber sealing pad is fixedly connected to the door cover plate (8), one end of the door cover plate (8) is fixedly connected to a shifting block (801), the shifting block (801) slides along the yielding ring groove (203) and the medicine outlet (502) and its end extends into the interior of the purification box (2), and the shifting block (801) and the medicine outlet (502) are fixedly connected via a spring (802).

5. A multi-stage purification sewage treatment equipment as claimed in claim 4, characterized in that: The drug adding mechanism comprises a rotating rod (7), the rotating rod (7) being connected to the inner bottom of the purification box (2) via a bearing, the rotating rod (7) being fixedly connected to a stirring rod (701), the top of the rotating rod (7) being fixedly connected to connecting rods (702) on both sides, a guide tube (703) being fixedly connected to the connecting rod (702) on one side, the bottom of the guide tube (703) being fixedly connected to evenly distributed drug outlet tubes (706), the end of the guide tube (703) being fixedly connected to a guide block (704), the guide block (704) being attached to the inner wall of the purification box (2) and sliding, and the guide block (704) being slidably abutted against a shifting block (801).

6. A multi-stage purification sewage treatment equipment as claimed in claim 5, characterized in that: A flow guide hole (705) is provided through the middle of the flow guide block (704), and the flow guide hole (705) is connected to the medicine outlet (502), the flow guide pipe (703) and the medicine outlet pipe (706).

7. A multi-stage sewage treatment equipment as claimed in claim 5, characterized in that: A UV photolysis lamp (707) is fixedly mounted on the connecting rod (702) on the other side by bolts.

8. A multi-stage sewage treatment equipment as claimed in claim 5, characterized in that: The filtering mechanism comprises a coarse filter plate (201), a fine filter plate (401) and a spiral water guide plate (402); the coarse filter plate (201) is fixedly connected to the top of a purification box (2); the fine filter plate (401) is fixedly connected to the inside of the purification box (2); the spiral water guide plate (402) is fixedly connected to the bottom of the fine filter plate (401); a support rod (4) passes through the middle of the fine filter plate (401), the spiral water guide plate (402) and the water guide cone plate (202); the support rod (4) and the fine filter plate (401) are connected via a bearing; the bottom of the support rod (4) is fixedly connected to the top of a rotating rod (7); and the support rod (4) and the spiral water guide plate (402) are in contact with and slide against each other.

Images