High concentration organic wastewater treatment equipment

Abstract

The utility model discloses a kind of high-concentration organic wastewater treatment equipment, including treatment box, the inside of treatment box is by left to right one side and is provided with sedimentation tank, anaerobic tank, aerobic tank and depth purification tank, and the left side wall of treatment box is equipped with pretreatment shell corresponding sedimentation tank;In the utility model, RO membrane purifier, disinfection tank and disinfectant storage tank are installed in the depth purification tank of treatment box, by the RO membrane purifier installed in mounting frame, so as to carry out the depth purification of residual organic matter to the wastewater introduced by aerobic tank, so that the wastewater after purification enters the disinfection tank on the surface of drain pipe, at this time, by adjusting the valve opening of disinfectant storage tank bottom, promote the hypochlorous acid solution in disinfectant storage tank to be added dropwise to disinfection tank by conical drop nozzle, and by starting stirring device, wastewater and dropwise hypochlorous acid solution in disinfection tank are stirred and mixed, while meeting the depth purification of high-concentration organic wastewater, online disinfection of effluent is realized.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and in particular to a high-concentration organic wastewater treatment device. Background Technology

[0002] With the continuous advancement of industrial technology, the functions and production efficiency of various equipment are also rapidly improving. As a result, a large amount of industrial wastewater is generated. The wastewater contains high concentrations of organic matter, and direct discharge will have a severe impact on the environment. Therefore, treatment equipment is needed to purify and filter the wastewater.

[0003] For example, a Chinese patent discloses a high-concentration organic wastewater treatment device, publication number: CN213327190U, publication date: 2021.06.01. Although it can effectively filter wastewater, ensuring that the wastewater is treated to become clean water without various impurities, and the high-concentration organic wastewater treatment device is easy to dissipate heat and maintain, and the internal temperature will not become too high due to prolonged operation, and the internal temperature will not accumulate inside the device to cause malfunctions, and the device is simple to disassemble and open for maintenance, making it convenient for personnel to inspect and repair, and minimizing the time spent on opening the device after a malfunction, it does not have the function of pre-treating impurities in the wastewater, which can easily lead to excessive impurities causing blockages, and it does not have the function of purifying and disinfecting water, thus failing to ensure safe discharge.

[0004] Therefore, a high-concentration organic wastewater treatment device is proposed, which has the advantages of easy wastewater pretreatment and safe discharge, thereby solving the problems in the above-mentioned background technology. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a high-concentration organic wastewater treatment device.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a high-concentration organic wastewater treatment device, comprising a treatment tank, wherein a sedimentation tank, an anaerobic tank, an aerobic tank, and a deep purification tank are arranged inside the treatment tank from left to right, and a pretreatment shell is installed on the left side wall of the treatment tank corresponding to the sedimentation tank; maintenance ports are provided on the top surface of the treatment tank corresponding to the sedimentation tank, anaerobic tank, aerobic tank, and deep purification tank respectively, and an aerator is installed on the top surface of the treatment tank corresponding to the aerobic tank; an installation frame is fixed inside the deep purification tank, and several detachable components are installed inside the installation frame. The device comprises several RO membrane water purifiers, with drain pipes connected to the bottom of each RO membrane water purifier. A disinfection tank is connected to the surface of the drain pipes, and a threaded nozzle is provided on the top surface of the disinfection tank. A disinfectant storage tank is threaded onto the threaded nozzle, and a conical drip nozzle is connected to the bottom of the disinfectant storage tank. A valve is installed at the upper end of the conical drip nozzle, and the bottom of the conical drip nozzle extends into the inside of the disinfection tank. A stirring device is installed at the bottom of the disinfection tank, and the stirring device consists of a motor and an impeller fixed at its output end. The impeller of the stirring device extends into the inside of the disinfection tank.

[0007] As a further description of the above technical solution: a double-chamber filter is movably provided at the opening on the top surface of the pretreatment shell, and the double-chamber filter is divided into two chambers by a partition. Metal filter screens are installed at the bottom of the double-chamber filter corresponding to the two chambers. A U-shaped handle is welded to the inner side of the double-chamber filter. The pretreatment shell is in the shape of a right trapezoid, and a water guide port connected to the sedimentation tank is provided on the side of the pretreatment shell.

[0008] As a further description of the above technical solution: an air supply pipe is installed at the air outlet of the aerator, and one end of the air supply pipe extends into the aerobic tank and is connected to a connecting pipe. Each end of the connecting pipe is connected to an aeration pipe, and each aeration pipe has several aeration holes on its surface. A mounting frame is fixed to the inner wall of the aerobic tank, and the top surface of the mounting frame is connected to the aeration pipe through a U-shaped pipe clamp.

[0009] As a further description of the above technical solution: the treatment tank is provided with multiple water guide pipes, and each water guide pipe is equipped with a booster pump on its surface. The multiple water guide pipes are respectively arranged between the sedimentation tank and the anaerobic tank, between the anaerobic tank and the aerobic tank, and between the aerobic tank and the deep purification tank.

[0010] As a further description of the above technical solution: the disinfectant storage tank is filled with hypochlorous acid solution, and a vent pipe is provided on the top surface of the disinfectant storage tank. The upper surface of the conical drip nozzle of the disinfectant storage tank is provided with a threaded part, and the threaded part of the conical drip nozzle is threadedly connected to the threaded nozzle.

[0011] As a further description of the above technical solution: the two ends of the water guide pipe are of different lengths, and a filter head is sleeved and installed at the longer end of the water guide pipe, and an activated carbon filter screen is embedded in the end face of the filter head of the water guide pipe.

[0012] This utility model has the following beneficial effects: In this invention, an RO membrane water purifier, a disinfection tank, and a disinfectant storage tank are installed in the deep purification tank of the treatment tank. Several RO membrane water purifiers installed in the installation frame are used to deeply purify the wastewater introduced from the aerobic tank to remove residual organic matter. The purified wastewater then enters the disinfection tank on the surface of the drain pipe. At this time, by adjusting the valve opening at the bottom of the disinfectant storage tank, the hypochlorous acid solution in the disinfectant storage tank is dripped into the disinfection tank through a conical drip nozzle. The wastewater and the added hypochlorous acid solution in the disinfection tank are stirred and mixed by activating a stirring device. This achieves both deep purification of high-concentration organic wastewater and online disinfection of the effluent, improving discharge safety. In this invention, a pretreatment shell is installed on the side wall of the treatment tank corresponding to the sedimentation tank. When high-concentration organic wastewater is injected into the pretreatment shell, a dual-chamber filter is movably installed at the opening on the top surface of the pretreatment shell. Both chambers of the dual-chamber filter are equipped with metal filter screens. The high-concentration organic wastewater injected into the dual-chamber filter is filtered by the metal filter screens to remove large suspended solids and impurities. The dual-chamber design of the filter allows for flexible switching if one chamber becomes clogged, meeting the needs of continuous treatment of high-concentration organic wastewater. It also has the function of pre-filtration of high-concentration organic wastewater, which helps to reduce the treatment pressure of wastewater treatment equipment and extend its service life. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a high-concentration organic wastewater treatment device according to the present invention; Figure 2 A schematic diagram of the structure of the disinfection box and disinfectant storage tank; Figure 3 This is a schematic diagram of the pretreatment shell structure; Figure 4 This is a schematic diagram of the structure of the air supply pipe, aeration pipe, and connecting pipe.

[0014] Legend: 1. Treatment tank; 2. Sedimentation tank; 3. Anaerobic tank; 4. Aerobic tank; 5. Deep purification tank; 6. Water guide pipe; 7. Booster pump; 8. Aerator; 9. Air supply pipe; 10. Maintenance port; 11. Pretreatment shell; 12. Dual-chamber filter; 13. Mounting frame; 14. Aeration pipe; 15. Mounting frame; 16. RO membrane water purifier; 17. Drain pipe; 18. Disinfection tank; 19. Disinfectant storage tank; 20. Stirring device; 21. Threaded nozzle; 22. Threaded part; 23. Valve; 24. Metal filter screen; 25. Conical drip nozzle; 26. Connecting pipe. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] According to an embodiment of the present invention, a high-concentration organic wastewater treatment device is provided.

[0017] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figure 1-4As shown, a high-concentration organic wastewater treatment device according to an embodiment of the present invention includes a treatment tank 1. Inside the treatment tank 1, from left to right, are arranged a sedimentation tank 2, an anaerobic tank 3, an aerobic tank 4, and a deep purification tank 5. A pretreatment shell 11 is installed on the left side wall of the treatment tank 1 corresponding to the sedimentation tank 2. Maintenance ports 10 are provided on the top surface of the treatment tank 1 corresponding to the sedimentation tank 2, anaerobic tank 3, aerobic tank 4, and deep purification tank 5, respectively. An aerator 8 is installed on the top surface of the treatment tank 1 corresponding to the aerobic tank 4. An installation frame 15 is fixed inside the deep purification tank 5, and several RO membrane water purifiers 16 are detachably installed inside the installation frame 15. The bottom of the several RO membrane water purifiers 16 is connected to a drain pipe 17, and the surface of the drain pipe 17 is connected to a disinfection tank 18. A threaded nozzle 21 is provided on the top surface of the disinfection tank 18. A disinfectant storage tank 19 is installed on the upper thread. The bottom of the disinfectant storage tank 19 is connected to a conical drip nozzle 25, and a valve 23 is installed at the upper end of the conical drip nozzle 25. The bottom of the conical drip nozzle 25 extends to the inside of the disinfection box 18. A stirring device 20 is installed at the bottom of the disinfection box 18. The stirring device 20 consists of a motor and an impeller fixed at its output end. The impeller of the stirring device 20 extends to the inside of the disinfection box 18. In order to facilitate the maintenance of the disinfectant storage tank 19 and the replenishment of hypochlorous acid, an observation port is opened on the right side wall of the treatment box 1 corresponding to the deep purification pool 5. A control switch is provided for the motor of the stirring device 20. The installation position of the control switch is selected according to the actual use needs to facilitate the operation and control by the operator. The hypochlorous acid solution in the disinfectant storage tank 19 drips out by gravity. In one embodiment, a dual-chamber filter 12 is movably disposed at the opening on the top surface of the pretreatment shell 11, and the dual-chamber filter 12 is divided into two chambers by a partition. Metal filter screens 24 are respectively installed at the bottom of the dual-chamber filter 12 corresponding to the two chambers. A U-shaped handle is welded to the inner side of the dual-chamber filter 12. The pretreatment shell 11 has a right-angled trapezoidal structure, and a water guide port connected to the sedimentation tank 2 is provided on the side of the pretreatment shell 11. With this structure, it has the function of pre-filtration treatment of high-concentration organic wastewater, which helps to reduce the treatment pressure of wastewater treatment equipment and extend its service life. The water guide port is used to connect with the sedimentation tank 2, and the U-shaped handle is used for taking out, putting in and maintaining the dual-chamber filter 12.

[0018] In one embodiment, an air supply pipe 9 is installed at the air outlet of the aerator 8, and one end of the air supply pipe 9 extends into the aerobic tank 4 and is connected to a connecting pipe 26. Both ends of the connecting pipe 26 are connected to an aeration pipe 14, and each aeration pipe 14 has several aeration holes on its surface. A mounting frame 13 is fixed to the inner wall of the aerobic tank 4, and the top surface of the mounting frame 13 is connected to the aeration pipe 14 through a U-shaped pipe clamp. This structure provides an oxygen-rich environment for the aerobic tank 4, which is beneficial to increasing the decomposition efficiency of organic matter in wastewater.

[0019] In one embodiment, the treatment tank 1 is equipped with multiple water pipes 6, and each water pipe 6 is equipped with a booster pump 7. The multiple water pipes 6 are respectively located between the sedimentation tank 2 and the anaerobic tank 3, between the anaerobic tank 3 and the aerobic tank 4, and between the aerobic tank 4 and the deep purification tank 5. With this structure, it is easy to transfer wastewater one by one in the sedimentation tank 2, the anaerobic tank 3, the aerobic tank 4 and the deep purification tank 5, so as to achieve the effect of deep purification of wastewater. The booster pump 7 is equipped with a matching control switch. The installation position of the control switch is selected according to the actual use requirements, so as to facilitate the operation and control of the operator.

[0020] In one embodiment, the disinfectant storage tank 19 is filled with hypochlorous acid solution, and a vent pipe is provided on the top surface of the disinfectant storage tank 19. The upper surface of the conical drip nozzle 25 of the disinfectant storage tank 19 is provided with a threaded portion 22, which is threadedly connected to the threaded nozzle 21. With this structure, it is easy to add hypochlorous acid solution to the disinfectant storage tank 19 to disinfect and sterilize wastewater, and the vent pipe can maintain the smooth flow of hypochlorous acid solution added to the disinfectant storage tank 19.

[0021] In one embodiment, the two ends of the water pipe 6 have different lengths, and a filter head is fitted onto the longer end of the water pipe 6. An activated carbon filter screen is embedded in the end face of the filter head of the water pipe 6. With this structure, it is easy to filter the extraction end of the water pipe 6 and reduce pipe blockage problems.

[0022] Working principle: In operation, high-concentration organic wastewater is injected into the pretreatment shell 11. A dual-chamber filter 12 is movably installed at the opening on the top surface of the pretreatment shell 11, and metal filter screens 24 are installed on the bottom surfaces of both chambers of the dual-chamber filter 12. The high-concentration organic wastewater injected into the dual-chamber filter 12 is filtered through the metal filter screens 24 to remove large suspended solids and impurities. The wastewater is then injected into the sedimentation tank 2 for static sedimentation or flocculant addition sedimentation to adjust the pH value of the high-concentration organic wastewater. Then, through a set of water pipes 6 and a booster pump 7, the wastewater from the sedimentation tank 2 is introduced into the anaerobic tank 3. During the hydrolysis and acidification stage, large organic molecules are decomposed into small acid molecules. The wastewater from the anaerobic tank 3 is then introduced into the aerobic tank 4 through a set of water pipes 6 and a booster pump 7, and the aerator 8 is turned on, continuously injecting air into the aerobic tank 4 through the aeration pipe 14, further degrading organic matter to COD < 1000. The wastewater from the aerobic tank 4 is then introduced into the deep purification tank 5 through a set of water pipes 6 and a booster pump 7. Several RO membrane water purifiers 16 installed in the installation frame 15 are used to deeply purify the wastewater from the aerobic tank 4 to remove residual organic matter. The purified wastewater then enters the disinfection tank 18 on the surface of the drain pipe 17. At this time, by adjusting the opening of the valve 23 at the bottom of the disinfectant storage tank 19, the hypochlorous acid solution in the disinfectant storage tank 19 is dripped into the disinfection tank 18 through the conical drip nozzle 25. The stirring device 20 is activated to stir and mix the wastewater and the added hypochlorous acid solution in the disinfection tank 18, thereby achieving online disinfection of the effluent while satisfying the deep purification of high-concentration organic wastewater.

[0023] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-concentration organic wastewater treatment device, comprising a treatment tank (1), characterized in that: The treatment tank (1) is equipped with a sedimentation tank (2), an anaerobic tank (3), an aerobic tank (4), and a deep purification tank (5) from left to right. A pretreatment shell (11) is installed on the left side wall of the treatment tank (1) corresponding to the sedimentation tank (2). Maintenance ports (10) are provided on the top surface of the treatment tank (1) corresponding to the sedimentation tank (2), the anaerobic tank (3), the aerobic tank (4), and the deep purification tank (5). An aerator (8) is installed on the top surface of the treatment tank (1) corresponding to the aerobic tank (4). An installation frame (15) is fixed inside the deep purification tank (5). Several RO membrane water purifiers (16) are detachably installed inside the installation frame (15). The bottom of the several RO membrane water purifiers (16) is... A drain pipe (17) is connected to the surface of the drain pipe (17), and a disinfection tank (18) is connected to the surface of the disinfection tank (18). A threaded nozzle (21) is provided on the top surface of the disinfection tank (18), and a disinfectant storage tank (19) is threaded on the threaded nozzle (21). A conical drip nozzle (25) is connected to the bottom of the disinfectant storage tank (19), and a valve (23) is installed at the upper end of the conical drip nozzle (25). The bottom of the conical drip nozzle (25) extends to the inside of the disinfection tank (18). A stirring device (20) is installed at the bottom of the disinfection tank (18), and the stirring device (20) consists of a motor and an impeller fixed at its output end. The impeller of the stirring device (20) extends to the inside of the disinfection tank (18).

2. The high-concentration organic wastewater treatment equipment according to claim 1, characterized in that: The pretreatment shell (11) has a double-chamber filter (12) movably installed at the opening on the top surface. The double-chamber filter (12) is divided into two chambers by a partition. Metal filter screens (24) are installed at the bottom of the double-chamber filter (12) corresponding to the two chambers. A U-shaped handle is welded to the inner side of the double-chamber filter (12). The pretreatment shell (11) has a right-angled trapezoidal structure. A water guide port connected to the sedimentation tank (2) is provided on the side of the pretreatment shell (11).

3. The high-concentration organic wastewater treatment equipment according to claim 1, characterized in that: An air supply pipe (9) is installed at the air outlet of the aerator (8), and one end of the air supply pipe (9) extends into the aerobic tank (4) and is connected to a connecting pipe (26). Both ends of the connecting pipe (26) are connected to an aeration pipe (14), and several aeration holes are opened on the surface of each aeration pipe (14). A mounting frame (13) is fixed on the inner wall of the aerobic tank (4), and the top surface of the mounting frame (13) is connected to the aeration pipe (14) through a U-shaped pipe clamp.

4. The high-concentration organic wastewater treatment equipment according to claim 1, characterized in that: The treatment tank (1) is equipped with multiple water pipes (6), and each water pipe (6) is equipped with a booster pump (7). The multiple water pipes (6) are respectively located between the sedimentation tank (2) and the anaerobic tank (3), between the anaerobic tank (3) and the aerobic tank (4), and between the aerobic tank (4) and the deep purification tank (5).

5. The high-concentration organic wastewater treatment equipment according to claim 1, characterized in that: The disinfectant storage tank (19) is filled with hypochlorous acid solution, and a vent pipe is provided on the top surface of the disinfectant storage tank (19). The upper surface of the conical drip nozzle (25) of the disinfectant storage tank (19) is provided with a threaded part (22), and the threaded part (22) of the conical drip nozzle (25) is threadedly connected to the threaded nozzle (21).

6. The high-concentration organic wastewater treatment equipment according to claim 4, characterized in that: The lengths of the two ends of the water pipe (6) are different, and a filter head is installed at the longer end of the water pipe (6), and an activated carbon filter is embedded in the end face of the filter head of the water pipe (6).

Images