Microbial electrochemical sewage treatment equipment

By designing lifting and adjustable microbial racks and sludge scrapers in microbial electrochemical sewage treatment equipment, the problems of inflexible contact between microorganisms and sewage in the equipment and the inauspicious cleaning of sludge are solved, and efficient sewage purification and equipment maintenance are achieved.

CN222907691UActive Publication Date: 2025-05-27WU XI ZI MI HUAN BAO JI SHU YOU XIAN GONG SI
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Patent Information

Application Number
CN202421833388.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-05-27
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

Existing microbial electrochemical sewage treatment equipment is difficult to flexibly regulate the contact between microorganisms and sewage, and lacks the structure of automated cleaning of sludge, which affects the cleaning and maintenance of the equipment.

Method used

A microbial electrochemical wastewater treatment equipment is designed, using a microbial rack and a sludge scraper that can be lifted and adjusted. The microbial rack realizes the lifting and rotation adjustment of microbials through push plates, rotary shafts and servo motors. The sludge scraper automatically removes sludge through screws and servo motors.

Benefits of technology

By flexibly adjusting the contact between microorganisms and sewage, the biological purification efficiency of sewage is improved and the cost of sewage treatment is saved. At the same time, automated cleaning of sewage has improved the cleaning efficiency and practicality of equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses microorganism electrochemical sewage treatment equipment which comprises a sewage tank, a microorganism frame assembly is mounted at the top of the sewage tank, the microorganism frame assembly comprises a lifting-adjustable push plate, the outer wall of the bottom end of the push plate is rotationally connected with a rotating shaft through a side plate, a microorganism frame is fixedly mounted on the outer wall of the rotating shaft, and the lifting-adjustable push plate is connected with the microorganism frame. A clamping groove is formed in the inner wall of the microbial rack, a carrying box is clamped and mounted on the inner wall of the clamping groove, a flashboard is slidably mounted on the side wall of the sewage tank, a sludge scraper is slidably connected to the inner wall of the bottom of the sewage tank, and an anode electrode plate and a cathode electrode bar are mounted on the inner wall of the front end of the sewage tank; the anode electrode plate and the cathode electrode bar are used for providing a bioelectric current path for the interior of the sewage tank, and the sewage treatment device relates to the field of sewage treatment equipment, and by arranging the liftable and rotatably adjustable microbial rack, microorganisms can be conveniently and flexibly controlled to be in full contact with organic matters in the sewage tank; therefore, the sewage is quickly and biologically purified through microorganisms, the working efficiency is improved, and the sewage treatment cost is saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment equipment, in particular to a microbial electrochemical sewage treatment equipment. Background Technique

[0002] Microbial sewage treatment is a technology that uses the metabolic action of microorganisms to remove pollutants such as organic matter, nitrogen, and phosphorus in sewage. Microorganisms play a key role in sewage treatment. Some common types of microorganisms include bacteria, fungi, protozoa, and algae, etc. Through a series of biochemical reactions, they decompose organic pollutants in sewage into carbon dioxide, water, and simple inorganic substances. In the existing microbial electrochemical sewage treatment equipment, it is generally not convenient to control the lifting and rotation of microorganisms in sewage to adjust their positions, so it is not convenient to flexibly adjust the contact between microorganisms and sewage according to the needs of use. At the same time, since sludge is likely to accumulate in the sewage tank, there is a lack of a structure for automatically cleaning the sludge, which is not convenient for cleaning the sewage tank. Content of the Utility Model

[0003] The purpose of the utility model is to provide a microbial electrochemical sewage treatment equipment to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical scheme:

[0005] A microbial electrochemical sewage treatment equipment, including a sewage tank, a microbial rack assembly is installed on the top of the sewage tank. The microbial rack assembly includes a push plate that can be adjusted in height. The outer wall of the bottom end of the push plate is rotationally connected to a rotating shaft through a side plate. A microbial rack is fixedly installed on the outer wall of the rotating shaft. A card slot is opened on the inner wall of the microbial rack, and a carrier box is clamped and installed on the inner wall of the card slot. A gate plate is slidably installed on the side wall of the sewage tank. A sludge scraper is slidably connected to the inner wall of the bottom of the sewage tank. An anode electrode plate and a cathode electrode rod are installed on the inner wall of the front end of the sewage tank. The anode electrode plate and the cathode electrode rod are used to provide a biological current path inside the sewage tank.

[0006] In a preferred embodiment of the utility model, the microbial rack assembly includes a limit support frame, and the limit support frame is fixedly installed on the outer walls of the left and right sides of the sewage tank.

[0007] In a preferred embodiment of the utility model, a top plate is fixedly installed on the top of the limit support frame, and a cylinder is fixedly installed on the outer wall of the bottom of the top plate.

[0008] In a preferred embodiment of the present utility model, a push plate is fixedly connected to the outer wall of the output shaft of the cylinder. A first servo motor is fixedly installed on the outer wall of the bottom of the push plate. The outer wall of the output shaft of the first servo motor and the outer wall of the rotating shaft are connected by a synchronous belt pulley and a synchronous belt. The inner wall of the carrier box is uniformly fixedly installed with winding wires, and the winding wires are used to carry microorganisms.

[0009] In a preferred embodiment of the present utility model, the sludge scraper includes a lead screw, and the lead screw is rotatably connected to the inner walls on the left and right sides of the sewage tank through bearings. A second servo motor is fixedly installed on the outer wall of the sewage tank.

[0010] In a preferred embodiment of the present utility model, the output shaft of the second servo motor is meshed and driven with the outer wall of the lead screw through a gear. A scraper is slidably connected to the inner wall of the bottom of the sewage tank, and the inner wall of the scraper is threadedly connected to the outer wall of the lead screw.

[0011] In a preferred embodiment of the present utility model, a chute is provided on the side wall of the sewage tank, and a viewing window is provided on the outer wall at the rear end of the sewage tank. A gate plate is slidably connected inside the chute, and a cover plate is fixedly installed on the outer wall at the top of the chute. A screw rod is rotatably connected to the inner wall of the top of the gate plate.

[0012] In a preferred embodiment of the present utility model, the outer wall of the screw rod is threadedly connected to the inner wall of the cover plate. A hand wheel is fixedly installed on the outer wall at the top of the screw rod. A sludge removal hole is provided on the side wall of the sewage tank, and the gate plate is hermetically connected to the inner wall of the sludge removal hole.

[0013] The additional aspects and advantages of the present utility model will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the present utility model.

[0014] 1. By setting up a microorganism rack that can be lifted and rotated for adjustment, it is convenient to flexibly control the full contact between microorganisms and organic substances in the sewage tank, so as to quickly biologically purify the sewage through microorganisms, improve work efficiency and save the cost of sewage treatment;

[0015] 2. By setting up a sludge scraper for automatically removing the sludge adsorbed on the bottom of the sewage tank, the efficiency of cleaning the sludge on the inner wall of the sewage tank is improved. By setting up a gate plate for controlling the discharge of the sludge in the sewage tank, the work efficiency is improved, the maintenance of the equipment is convenient, and the practicability of the equipment use is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0017] Figure 1It is a front view structural schematic diagram of a microbial electrochemical sewage treatment device;

[0018] Figure 2 It is a rear view structural schematic diagram of a microbial electrochemical sewage treatment device;

[0019] Figure 3 It is a structural schematic diagram of a microbial rack in a microbial electrochemical sewage treatment device;

[0020] Figure 4 It is a structural schematic diagram of a carrier wheel in a microbial electrochemical sewage treatment device;

[0021] Figure 5 It is a structural schematic diagram of a carrier box in a microbial electrochemical sewage treatment device;

[0022] Figure 6 It is a structural schematic diagram of a sludge scraper in a microbial electrochemical sewage treatment device;

[0023] Figure 7 It is a structural schematic diagram of a gate installation in a microbial electrochemical sewage treatment device;

[0024] Figure 8 It is a structural schematic diagram of an electrode rod installation in a microbial electrochemical sewage treatment device.

[0025] In the figure: sewage tank 100, viewing window 110, chute 120, sludge removal hole 130, cover plate 140, screw 141, gate plate 142, handwheel 143, lead screw 150, scraper 151, second servo motor 160, limit support frame 200, top plate 210, cylinder 220, push plate 230, rotating shaft 250, first servo motor 260, microbial rack 270, card slot 271, carrier box 272, winding wire 273, insulating rack 300, anode electrode plate 310, cathode electrode rod 320, current monitoring and regulation system 330. Specific implementation manners

[0026] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation of the present invention.

[0027] Embodiment 1: As Figures 1 - 5, including a sewage tank 100, a microbial rack assembly is installed on the top of the sewage tank 100. The microbial rack assembly includes a push plate 230 that can be adjusted in lifting. The outer wall of the bottom end of the push plate 230 is rotatably connected to a rotating shaft 250 through a side plate. A microbial rack 270 is fixedly installed on the outer wall of the rotating shaft 250. A card slot 271 is opened on the inner wall of the microbial rack 270, and a carrier box 272 is snap-fitted and installed on the inner wall of the card slot 271. A gate plate 142 is slidably installed on the side wall of the sewage tank 100, and a sludge scraper is slidably connected to the inner wall of the bottom of the sewage tank 100. An anode electrode plate 310 and a cathode electrode rod 320 are installed on the inner wall of the front end of the sewage tank 100. The anode electrode plate 310 and the cathode electrode rod 320 are used to provide a biological current path inside the sewage tank 100.

[0028] The specific use scenario of this embodiment is as follows: By setting the microbial rack 270 that can be adjusted in lifting and rotation, it is convenient to flexibly control the full contact between microorganisms and organic matter in the sewage tank 100, so as to quickly biologically purify the sewage through microorganisms, improve work efficiency and save the cost of sewage treatment. By setting a sludge scraper for automatically removing the sludge adsorbed on the bottom of the sewage tank 100, the efficiency of cleaning the sludge on the inner wall of the sewage tank 100 is improved. By setting the gate plate 142 for controlling the discharge of the sludge in the sewage tank 100, the work efficiency is improved.

[0029] Embodiment 2: As Figure 3 , Figure 4 and Figure 8 , the microbial rack assembly includes a limit support frame 200, which is fixedly installed on the outer walls on the left and right sides of the sewage tank 100. A top plate 210 is fixedly installed on the top of the limit support frame 200. A cylinder 220 is fixedly installed on the outer wall of the bottom of the top plate 210. The output shaft of the cylinder 220 is fixedly connected to the push plate 230. A first servo motor 260 is fixedly installed on the outer wall of the bottom of the push plate 230. The outer wall of the output shaft of the first servo motor 260 is connected to the outer wall of the rotating shaft 250 through a synchronous pulley and a synchronous belt. Winding wires 273 are evenly and fixedly installed on the inner wall of the carrier box 272, and the winding wires 273 are used to carry microorganisms.

[0030] The specific use scenario of this embodiment is as follows: Insert the carrier box 272 into the card slot 271 on the inner wall of the microbial rack 270. By driving the cylinder 220 to push the push plate 230 downward, the microbial rack 270 is pushed into the sewage tank 100 to make full contact with the sewage. Then, by turning on the first servo motor 260, the first servo motor 260 drives the rotating shaft 250 to rotate, so that the rotating shaft 250 can drive the microbial rack 270 to slowly rotate in the sewage. Through the contact between microorganisms and sewage, the microbial battery effect is used to improve the activity of microorganisms, thereby improving COD and removing ammonia nitrogen.

[0031] Embodiment 3: As Figure 7, the sludge scraper includes a lead screw 150, which is rotatably connected to the inner walls on the left and right sides of the sewage tank 100 through bearings. A second servo motor 160 is fixedly installed on the outer wall of the sewage tank 100. The output shaft of the second servo motor 160 is connected to the outer wall of the lead screw 150 through gear meshing transmission. A scraper 151 is slidably connected to the inner bottom wall of the sewage tank 100, and the inner wall of the scraper 151 is threadedly connected to the outer wall of the lead screw 150.

[0032] The specific use scenario of this embodiment is: by turning on the second servo motor 160 to drive the lead screw 150 to rotate, the lead screw 150 can push the scraper 151 to scrape the sludge on the inner bottom wall of the sewage tank 100, and then discharge it through the mud removal hole 130.

[0033] Embodiment 4: As Figure 6 , a chute 120 is provided on the side wall of the sewage tank 100, and a viewing window 110 is provided on the outer wall at the rear end of the sewage tank 100. A gate plate 142 is slidably connected to the inside of the chute 120. A cover plate 140 is fixedly installed on the outer wall at the top of the chute 120. A screw 141 is rotatably connected to the inner wall at the top of the gate plate 142. The outer wall of the screw 141 is threadedly connected to the inner wall of the cover plate 140. A handwheel 143 is fixedly installed on the outer wall at the top of the screw 141. A mud removal hole 130 is provided on the side wall of the sewage tank 100, and the gate plate 142 is hermetically connected to the inner wall of the mud removal hole 130.

[0034] The specific use scenario of this embodiment is: when it is necessary to clean the inside of the sewage tank 100, by holding the handwheel 143 and rotating the screw 141, the screw 141 drives the gate plate 142 to adjust the height up and down during rotation, so as to open the mud removal hole 130.

[0035] The working principle of the present utility model is as follows: When in use, those skilled in the art place the microorganisms for sewage treatment in the carrier box 272, and then insert the carrier box 272 into the card slot 271 on the inner wall of the microorganism rack 270. By driving the air cylinder 220 to push the push plate 230 downward, the microorganism rack 270 is pushed into the inside of the sewage tank 100 to make full contact with the sewage. Subsequently, by starting the first servo motor 260, the first servo motor 260 drives the rotating shaft 250 to rotate, so that the rotating shaft 250 can drive the microorganism rack 270 to slowly rotate in the sewage. Through the contact between the microorganisms and the sewage, the microbial battery effect is utilized to improve the microbial activity, thereby improving the COD and removing ammonia nitrogen. The anode electrode plate 310 and the cathode electrode rod 320 are installed on the front inner wall of the sewage tank 100 through the insulating frame 300, so that the bottom ends of the anode electrode plate 310 and the cathode electrode rod 320 are inserted into the inside of the sewage tank 100 to provide a suitable electron transfer environment for the bioelectric current and enhance the metabolic activity of the microorganisms. By starting the current monitoring and regulation system 330, the current monitoring and regulation system 330, through precise control of the bioelectric current, stimulates the metabolic potential of the microorganisms to make them decompose pollutants more efficiently. The current monitoring and regulation system generally includes the following main structures: Current sensor: used to accurately measure the current value in the circuit and convert the current signal into a measurable electrical signal, such as a voltage signal. Common current sensors include Hall effect sensors and shunt resistor sensors. Signal conditioning circuit: amplifies, filters, and linearizes the electrical signal output by the current sensor to improve the quality and stability of the signal and make it more suitable for subsequent processing and analysis; Data acquisition module: converts the conditioned analog signal into a digital signal and transmits it to the controller or microprocessor for processing and analysis; Controller / microprocessor: as the core of the system, responsible for receiving, processing, and analyzing current data, and generating regulation instructions according to preset algorithms and control strategies; Driving circuit: converts the regulation instructions output by the controller into an electrical signal capable of driving an actuator, such as a variable resistor or a power supply controller, to achieve the regulation of the current;Actuating mechanism: such as variable resistors, power transistors, power supply modules, etc., which are used to change the resistance, voltage or current in the circuit according to the signals of the drive circuit, so as to achieve the regulation of current; Communication interface: used to communicate with the host computer or other external devices to achieve data transmission, remote monitoring and system integration; Display and operation interface: including a display screen, indicator lights, buttons, etc., which are used to display the current monitoring data and system status in real time, facilitating operators to set parameters and perform operation control; Power supply module: provides a stable and reliable power supply for the entire system. The structure in the current monitoring and regulation system 330 includes general standard parts or components known to those skilled in the art, and its structure and principle can be known to those skilled in the art through technical manuals or obtained through conventional experimental methods. When it is necessary to clean the inside of the sewage tank 100, the handwheel 143 is rotated by hand to drive the screw 141, so that the screw 141 drives the gate plate 142 to adjust the height during rotation, thereby opening the mud removal hole 130. By starting the second servo motor 160 to drive the lead screw 150 to rotate, the lead screw 150 can push the scraper 151 to scrape the sludge on the inner wall of the bottom of the sewage tank 100, and then discharge it through the mud removal hole 130.;

[0036] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand 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 claims and their equivalents.

Claims

1. A microbial electrochemical sewage treatment device, comprising a sewage tank (100), wherein a microbial rack assembly is installed on the top of the sewage tank (100), characterized in that: The microbial rack assembly comprises a push plate (230) that can be raised and lowered, the outer wall of the bottom end of the push plate (230) is rotatably connected to the rotating shaft (250) through a side plate, the outer wall of the rotating shaft (250) is fixedly mounted with a microbial rack (270), the inner wall of the microbial rack (270) is provided with a card slot (271), the inner wall of the card slot (271) is card-connected with a carrier box (272), the side wall of the sewage tank (100) is slidably mounted with a gate plate (142), the bottom inner wall of the sewage tank (100) is slidably connected with a scraper, and the front inner wall of the sewage tank (100) is mounted with an anode electrode plate (310) and a cathode electrode rod (320), the anode electrode plate (310) and the cathode electrode rod (320) are used to provide a biological current path inside the sewage tank (100).

2. The microbial electrochemical sewage treatment equipment according to claim 1, characterized in that: The microbial rack assembly comprises a limiting support frame (200), and the limiting support frame (200) is fixedly mounted on the outer walls on the left and right sides of the sewage tank (100).

3. The microbial electrochemical sewage treatment equipment according to claim 2 is characterized in that: A top plate (210) is fixedly mounted on the top of the position-limiting support frame (200), and a cylinder (220) is fixedly mounted on the outer wall of the bottom of the top plate (210).

4. The microbial electrochemical sewage treatment equipment according to claim 3 is characterized in that: The outer wall of the output shaft of the cylinder (220) is fixedly connected to the push plate (230), and the first servo motor (260) is fixedly installed on the outer wall of the bottom of the push plate (230). The outer wall of the output shaft of the first servo motor (260) is connected to the outer wall of the rotating shaft (250) through a synchronous pulley and a synchronous belt transmission. The inner wall of the carrier box (272) is evenly fixedly installed with a winding wire (273), and the winding wire (273) is used to carry microorganisms.

5. The microbial electrochemical sewage treatment equipment according to claim 1, characterized in that: The mud scraper comprises a screw rod (150), the screw rod (150) being rotatably connected to the inner walls on the left and right sides of the sewage tank (100) via bearings, and a second servo motor (160) is fixedly mounted on the outer wall of the sewage tank (100).

6. The microbial electrochemical sewage treatment equipment according to claim 5, characterized in that: The output shaft of the second servo motor (160) is connected to the outer wall of the screw rod (150) through gear meshing transmission, the inner wall of the bottom of the sewage tank (100) is slidably connected to the scraper (151), and the inner wall of the scraper (151) is threadedly connected to the outer wall of the screw rod (150).

7. The microbial electrochemical sewage treatment equipment according to claim 1, characterized in that: The sewage tank (100) has a side wall provided with a slide groove (120), a rear end outer wall of the sewage tank (100) has a visual window (110), the gate plate (142) is slidably connected to the inside of the slide groove (120), a cover plate (140) is fixedly mounted on the top outer wall of the slide groove (120), and the top inner wall of the gate plate (142) is rotatably connected to a screw rod (141).

8. The microbial electrochemical sewage treatment equipment according to claim 7, characterized in that: The outer wall of the screw rod (141) is threadedly connected to the inner wall of the cover plate (140); a hand wheel (143) is fixedly mounted on the outer wall of the top of the screw rod (141); a mud removal hole (130) is provided on the side wall of the sewage tank (100); and the gate plate (142) is sealedly connected to the inner wall of the mud removal hole (130).