Treatment device for treating process wastewater generated by organic waste gas

Abstract

The invention relates to the technical field of process wastewater treatment, in particular to a treatment device for treating process wastewater generated by organic waste gas, the treatment device comprises a wall, a mounting table, a water pool and a spraying device, a cavity is formed in the position, below a wet curtain and the water pool, of the mounting table, and a water collecting tank is fixedly mounted on the upper portion in the cavity; a water return frame is placed on the lower portion in the cavity, a separation mechanism is arranged in the water return frame, an absorption frame is arranged on one side of the water return frame, an absorption mechanism is arranged in the absorption frame, a second treatment frame is installed on one side of the absorption frame, and a decomposition mechanism is arranged on the second treatment frame. According to the invention, environmental protection treatment and resource circulation are closely combined, and harmlessness and recycling of waste gas and waste water are realized through multi-stage treatment; the environment of the pig farm is improved, water consumption and operation cost are reduced, and management efficiency is improved through automatic design; the problem of pollution is solved, economic value is created, and an efficient and practical technical scheme is provided for sustainable development of the breeding industry.

Description

Technical Field

[0001] The present invention relates to the technical field of process wastewater treatment, and particularly relates to a treatment device for treating process wastewater generated by organic waste gas. Background Art

[0002] A pig farm is a large-scale pig-raising place, generally composed of pig houses, ventilation and deodorization systems, feeding systems, and sterilization systems. Among them, the ventilation and deodorization system is mainly composed of a fan and an exhaust duct, which can keep the air circulation inside the pig house. Since there are many pigs raised in the pig house, and the eating, drinking, and excretion of the pigs are carried out in the pig house, it is easy to generate odor substances containing H2S, NH3, etc. inside the pig house. However, if the odors such as H2S and NH3 are directly discharged into the external environment, it is easy to affect the external environment. Therefore, a spray system is generally set up in the current pig house. The water mist sprayed by the spray heads in the spray system is in full contact with the odors such as H2S and NH3. Since gases such as H2S and NH3 are easily soluble in water, the main component gases (H2S, NH3) in the odor can be eliminated. Although this method effectively solves the problem of odor polluting the environment, however, if the wastewater after spraying is directly discharged into the external environment, it will also pollute the environment to a certain extent. Therefore, corresponding devices must be set up to comprehensively and fully treat this wastewater to achieve environmental protection breeding and reduce the negative impact on the surrounding ecology. Summary of the Invention

[0003] The purpose of the present invention is to solve the above problems existing in the prior art, and to propose a treatment device for treating process wastewater generated by organic waste gas.

[0004] To achieve the above purpose, the present invention adopts the following technical scheme: A treatment device for treating process wastewater generated by organic waste gas, including a wall, a mounting table, a water tank, and a spraying device. A wet curtain is detachably installed inside the wall. The spraying device is fixedly installed on the surface of the wall, and its lower end is located in the water tank. The spraying end of the spraying device faces the wet curtain side; A cavity is provided at the position below the wet curtain and the water tank on the mounting table. A water collection tank is fixedly installed above the cavity inside. A return water frame is placed below the cavity inside. A separation mechanism is provided inside the return water frame. An absorption frame is provided on one side of the return water frame. An absorption mechanism is provided inside the absorption frame. A second treatment frame is installed on one side of the absorption frame. A decomposition mechanism is provided on the second treatment frame. A storage frame is installed on one side of the second treatment frame. A liquid pump five is installed between the second treatment frame and the storage frame. One side below the storage frame is communicated with a liquid outlet pipe. The end of the liquid outlet pipe away from the storage frame faces the water tank side after passing through the mounting table.

[0005] Preferably, a liquid level gauge is detachably installed on one side of the water tank, and the liquid level gauge is used to detect the water level inside the water tank.

[0006] Preferably, the separation mechanism includes a first partition and a second partition fixedly installed inside the return water frame in sequence from left to right. The return water frame is divided into three areas, namely the left, middle, and right areas, by the first partition and the second partition. There is a gap between the lower end of the first partition and the inner bottom wall of the return water frame, and a gap between the upper end of the second partition and the inner top wall of the return water frame, so that the three areas of the left, middle, and right are connected. There is a water inlet connecting the lower end of the water collecting tank and the left area of the return water frame, and a ball valve I is installed at the water inlet. A heating resistor I is installed between the first partition and the second partition. An inclined cooling fin is arranged above the second partition. The cooling fin is fixedly installed on the inner wall of the return water frame and forms an air duct with the second partition. The lower part of the right area is communicated with a return water pipe, and the upper end of the return water pipe is connected with a water pump after passing through the installation table.

[0007] Preferably, the absorption mechanism includes an air pump fixedly installed at the lower end of the absorption frame. The input end of the air pump is connected with an air outlet pipe, and the end of the air outlet pipe far away from the air pump is communicated with the upper part of the right area inside the return water frame. The output end of the air pump is communicated with the lower part inside the absorption frame. Sodium hydroxide solution is stored inside the absorption frame. A first stirring rod is rotatably installed inside the absorption frame, and the first stirring rod is driven by a first motor fixedly installed on the absorption frame. Electrolysis mechanisms are arranged on both sides of the absorption frame.

[0008] Preferably, the electrolysis mechanism includes an electrolysis device I installed on one side of the absorption frame and an electrolysis device II installed on the other side. A first liquid pump and a second liquid pump are connected between the electrolysis device I and the absorption frame, and a third liquid pump and a fourth liquid pump are connected between the electrolysis device II and the absorption frame. A cathode is installed inside the electrolysis device I, and an anode is installed inside the electrolysis device II. A first ion sensor is installed inside the electrolysis device I, and a second ion sensor is installed inside the electrolysis device II.

[0009] Preferably, the decomposition mechanism includes an air pump I fixedly installed on one side of the upper end of the treatment frame II and an air pump II installed on the other side. An exhaust pipe I is connected between the input end of the air pump I and the electrolysis device I, and an exhaust pipe II is connected between the input end of the air pump II and the electrolysis device II. A wire mesh, a first alloy mesh, and a second alloy mesh are fixedly installed in sequence above the inside of the treatment frame II. An iron catalyst is laid on the surface of the wire mesh. The first alloy mesh is kept in a high-temperature state by being electrified. The air outlet end of the exhaust pipe I is located above the wire mesh, and the air outlet end of the exhaust pipe II is located below the wire mesh and close to the first alloy mesh. A fifth exhaust pipe communicating with the inside is fixedly installed at the top of the treatment frame II, and a gas valve is installed on the fifth exhaust pipe. A third capacitance level gauge and a third ion sensor are detachably installed below the inside of the treatment frame II. A third water inlet pipe communicating with the inside is installed on one side below the treatment frame II.

[0010] Preferably, a first water inlet pipe communicating with its interior is fixedly installed on one side of the second electrolysis device. A cylinder is fixedly installed at the top of the second electrolysis device. The telescopic end of the cylinder is located inside the second electrolysis device and is fixedly installed with a scraper. A through groove is opened at the central position of the scraper. An annular scraper blade is fixedly installed inside the through groove. The anode passes through the central position of the scraper blade and is in contact with the scraper blade. A plurality of vertically penetrating stirring grooves are arranged in a circular array on the scraper. The stirring grooves are inclined; A conveying auger communicating with its interior is fixedly installed at the lower end of the second electrolysis device. A pendulum valve is installed between the connection of the conveying auger and the second electrolysis device. The end of the conveying auger is connected to a first treatment frame, and a preparation component is arranged inside the first treatment frame.

[0011] Preferably, the preparation component includes a material receiving plate rotatably installed above the interior of the first treatment frame. One end of the material receiving plate is driven by a second motor slidably installed on the first treatment frame. The other end of the material receiving plate is rotatably connected to a bearing seat slidably installed on the first treatment frame. A sliding frame is fixedly installed on one side of the first treatment frame. A sliding plate is slidably installed inside the sliding frame. The second motor is fixedly connected to the sliding plate. A weighing sensor for weighing the material on the material receiving plate is installed on the first treatment frame. The top of the weighing sensor is in contact with the lower end of the bearing seat. A feed pipe communicating with its interior is fixedly installed on one side at the top of the first treatment frame. A second water inlet pipe communicating with its interior is fixedly installed on the other side at the top of the first treatment frame. A breathing valve and a distance sensor are also installed at the top of the first treatment frame. A stirring and heating part is arranged below the material receiving plate.

[0012] Preferably, the stirring and heating part includes a second stirring rod rotatably installed at the middle position inside the first treatment frame. The second stirring rod is driven by a third motor fixedly installed on the first treatment frame. A second heating resistor is detachably installed below the interior of the first treatment frame. A drain pipe is communicated on one side below the first treatment frame. A second ball valve is installed on the drain pipe. A discharge pipe is communicated on the other side below the first treatment frame.

[0013] Preferably, a trolley capable of moving up and down is installed on the back of the wet curtain. A plurality of atomizing nozzles are fixedly installed on the trolley. The working ends of the plurality of atomizing nozzles all face the surface of the wet curtain, and the input ends of the plurality of atomizing nozzles are commonly connected to a material pipe. The end of the material pipe away from the atomizing nozzles is communicated with the interior of the first treatment frame.

[0014] Compared with the existing technology, the advantages of the present invention are as follows: 1. In this application, the malodorous gas is adsorbed by spraying the wet curtain, combined with heating evaporation and condensation recovery, effectively removing harmful gases (such as ammonia and hydrogen sulfide) in the wastewater, preventing the secondary escape of waste gas and polluting the air. Chemical absorption and electrolytic decomposition further convert the residual waste gas into harmless or low-harm substances, significantly reducing the emission of malodorous and toxic gases. At the same time, the wastewater can be recycled after treatment, reducing the discharge of sewage, protecting the surrounding water and soil environment, and significantly improving the ecological and sanitary conditions of the pig farm and its surroundings.

[0015] 2. This application realizes the closed-loop utilization of water resources: the treated water is returned to the spraying system for reuse, reducing the consumption of fresh water; the evaporation and condensation technology recovers the water in the wastewater, further saving water. The hydrogen generated by electrolysis is used for pigsty heating, dilute nitric acid is used for equipment cleaning, and sulfur and quicklime are made into insect repellents, turning waste into treasure. Through resource recovery and by-product reuse, the procurement costs of chemical agents, fuels, etc. are reduced, and the economic benefits are improved.

[0016] 3. In this application, by equipping automatic monitoring devices such as liquid level gauges and ion sensors, the water level and solution concentration are regulated in real time. When abnormal, an alarm is triggered and the standby water supply is switched, reducing manual intervention. Mechanical structures such as scrapers and conveyor augers automatically clean sulfur and impurities; the trolley sprays chemicals regularly to prevent equipment blockage. The modular design facilitates the maintenance and replacement of components such as catalysts and filters, ensuring long-term stable operation, reducing the maintenance difficulty and shutdown risk.

[0017] In summary, this application closely combines environmental protection governance with resource recycling, and realizes the harmlessness and resource utilization of waste gas and wastewater through multi-stage treatment. While improving the pig farm environment, it reduces water consumption and operation costs, and the automated design improves management efficiency. It not only solves the pollution problem but also creates economic value, providing an efficient and practical technical solution for the sustainable development of the breeding industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a working schematic diagram of a treatment device for treating process wastewater generated from organic waste gas proposed by the present invention; Figure 2 is an axonometric sectional view of a treatment device for treating process wastewater generated from organic waste gas proposed by the present invention Figure 1 ; Figure 3 is Figure 2 an enlarged schematic diagram of the structure at X in Figure 4 is an axonometric sectional view of a treatment device for treating process wastewater generated from organic waste gas proposed by the present invention Figure 2 ; Figure 5 is an axonometric sectional view of a treatment device for treating process wastewater generated from organic waste gas proposed by the present invention Figure 3 ; Figure 6 is an axonometric sectional view of a treatment device for treating process wastewater generated from organic waste gas proposed by the present invention Figure 4 ; Figure 7 is an axonometric sectional view of a treatment device for treating process wastewater generated from organic waste gas proposed by the present invention Figure 5 ; Figure 8Partial sectional axonometric view of a treatment device for treating process wastewater generated from organic waste gas proposed by the present invention Figure 6 ; Figure 9 Partial sectional axonometric view of a treatment device for treating process wastewater generated from organic waste gas proposed by the present invention Figure 7 ; Figure 10 Partial sectional axonometric view of a treatment device for treating process wastewater generated from organic waste gas proposed by the present invention Figure 8 ; Figure 11 Half-sectional axonometric view of a scraper in a treatment device for treating process wastewater generated from organic waste gas proposed by the present invention.

[0019] In the figure: 1 wet curtain, 2 wall, 3 installation platform, 4 water tank, 5 return water frame, 6 absorption frame, 7 treatment frame one, 8 treatment frame two, 9 storage frame, 10 trolley, 11 air pump, 31 maintenance cover plate, 41 liquid level gauge, 42 metering pump, 43 water pump, 44 spraying device, 51 return water pipe, 52 water collecting tank, 53 ball valve one, 54 water inlet, 55 refrigeration chip, 56 partition one, 57 heating resistor one, 58 partition two, 59 air duct, 510 air outlet pipe, 61 motor one, 62 capacitance liquid level gauge one, 63 capacitance liquid level gauge two, 64 exhaust pipe one, 65 exhaust pipe two, 66 electrolysis device one, 67 electrolysis device two, 610 liquid pump one, 611 liquid pump two, 612 liquid pump three, 613 liquid pump four, 614 air cylinder, 615 pendulum valve, 616 water inlet pipe one, 617 conveying auger, 618 cathode, 619 anode, 620 ion sensor one, 621 ion sensor two, 622 scraper, 6221 scraper blade, 6222 stirring tank, 623 stirring rod one, 71 air permeable valve, 72 distance sensor, 73 water inlet pipe two, 74 feed pipe, 75 ball valve two, 76 sewage discharge pipe, 77 discharge pipe, 78 sliding rack, 79 motor two, 710 sliding plate, 711 motor three, 712 bearing seat, 713 weighing sensor, 714 receiving plate, 715 stirring rod two, 716 heating resistor two, 81 liquid pump five, 82 air pump one, 83 air pump two, 84 capacitance liquid level gauge three, 85 ion sensor three, 86 water inlet pipe three, 87 wire mesh, 88 alloy mesh one, 89 alloy mesh two, 810 exhaust pipe five, 91 liquid outlet pipe, 101 atomizing nozzle, 102 material pipe. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Refer to Figures 1 to 11, A treatment device for treating process wastewater generated from organic waste gas, which is applied to the treatment of wastewater generated by spray deodorization in pig farms. It includes a spray device 44 fixedly installed on the wall 2. The spray device 44 is a prior art, and its specific structural design will not be elaborated here. The lower end of the spray device 44 is located in the water tank 4. A wet curtain 1 is detachably installed inside the wall 2. The spraying end of the spray device 44 faces the wet curtain 1 side, so that the water in the water tank 4 can be continuously sprayed onto the surface of the wet curtain 1. A liquid level gauge 41 is detachably installed on one side of the water tank 4, and the liquid level gauge 41 is used to detect the water level inside the water tank 4.

[0022] An installation platform 3 is provided with a cavity at the position below the wet curtain 1 and the water tank 4. Above the cavity, a water collection tank 52 is fixedly installed. The water collection tank 52 is used to collect the wastewater flowing down from the wet curtain 1. A water return frame 5 is placed below the cavity inside. Inside the water return frame 5, a partition one 56 and a partition two 58 are fixedly installed in sequence from left to right. The inside of the water return frame 5 is divided into three areas: the left, the middle, and the right by the partition one 56 and the partition two 58. And there is a gap between the lower end of the partition one 56 and the inner bottom wall of the water return frame 5, and there is a gap between the top end of the partition two 58 and the inner top wall of the water return frame 5, so that the three areas of the left, the middle, and the right are connected. A water inlet 54 is connected between the lower end of the water collection tank 52 and the left area of the water return frame 5, and a ball valve one 53 is installed at the water inlet 54.

[0023] A heating resistor one 57 is installed between the partition one 56 and the partition two 58. The heating resistor one 57 is used to heat the water in the middle area to evaporate it. Above the partition two 58, there is a refrigeration sheet 55 distributed in an inclined shape. The refrigeration sheet 55 is fixedly installed on the inner wall of the water return frame 5 and forms an air duct 59 with the partition two 58. The gas in the middle area enters the right area through the air duct 59. The lower part of the right area is communicated with a water return pipe 51. The upper end of the water return pipe 51 is connected to a water pump 43 after passing through the installation platform 3. The water pump 43 continuously sends the treated water into the water tank 4 through the water return pipe 51 for continued use.

[0024] On one side of the return water frame 5, there is an absorption frame 6. At the lower end of the absorption frame 6, an air pump 11 is fixedly installed. The input end of the air pump 11 is connected to an air outlet pipe 510. The end of the air outlet pipe 510 away from the air pump 11 communicates with the upper part of the right internal area of the return water frame 5. The output end of the air pump 11 communicates with the lower part inside the absorption frame 6. The absorption frame 6 stores sodium hydroxide solution inside. When the air pump 11 operates, on the one hand, it can continuously pump air inside the return water frame 5, thereby creating a negative pressure inside it. On the other hand, the waste gas emitted after the water inside the return water frame 5 is heated and cooled by the cooling sheet 55 will be transported into the absorption frame 6. Above one side of the absorption frame 6, a capacitance liquid level gauge one 62 is installed, and a capacitance liquid level gauge two 63 is installed below. The capacitance liquid level gauge one 62 and the capacitance liquid level gauge two 63 are used to detect the solution content inside the absorption frame 6, avoid it being too much or too little, and keep it within a reasonable range.

[0025] Inside the absorption frame 6, a stirring rod one 623 is rotatably installed. The stirring rod one 623 is driven by a motor one 61 fixedly installed on the absorption frame 6. Under the continuous rotation and stirring of the motor one 61 driving the stirring rod one 623, the waste gas fed from the bottom is quickly absorbed by the sodium hydroxide solution and reacts to form sodium sulfide and ammonia water. On one side of the absorption frame 6, an electrolysis device one 66 is installed, and an electrolysis device two 67 is installed on the other side. Between the electrolysis device one 66 and the absorption frame 6, a liquid pump one 610 and a liquid pump two 611 are connected. Between the electrolysis device two 67 and the absorption frame 6, a liquid pump three 612 and a liquid pump four 613 are connected. The liquid pump one 610 and the liquid pump three 612 respectively transport the same volume of liquid inside the absorption frame 6 to the corresponding electrolysis device one 66 and electrolysis device two 67. Inside the electrolysis device one 66, a cathode 618 is installed, and inside the electrolysis device two 67, an anode 619 is installed. The cathode 618 and the anode 619 are respectively electrified for electrolysis work. Ammonia and hydrogen are generated at the cathode, and sulfur and oxygen are generated at the positive electrode. Inside the electrolysis device one 66, an ion sensor one 620 is installed, and inside the electrolysis device two 67, an ion sensor two 621 is installed. Both the ion sensor one 620 and the ion sensor two 621 are prior arts, and the ion sensor one 620 and the ion sensor two 621 respectively monitor the ammonia ion and sulfur ion concentrations.

[0026] On one side of the absorption box 6, a second processing box 8 is installed. On one side of the upper end of the second processing box 8, an air pump 82 is fixedly installed, and on the other side, an air pump 83 is fixedly installed. An exhaust pipe 64 is connected between the input end of the air pump 82 and the first electrolysis device 66, and an exhaust pipe 65 is connected between the input end of the air pump 83 and the second electrolysis device 67. Above the interior of the second processing box 8, a wire mesh 87, a first alloy mesh 88, and a second alloy mesh 89 are fixedly installed in sequence. The surface of the wire mesh 87 is covered with iron catalyst. Both the first alloy mesh 88 and the second alloy mesh 89 are made of platinum-rhodium alloy, and the first alloy mesh 88 is energized to maintain a high-temperature state. The outlet end of the exhaust pipe 64 is located above the wire mesh 87, and the outlet end of the exhaust pipe 65 is located below the wire mesh 87 near the first alloy mesh 88. At the top of the second processing box 8, an exhaust pipe 810 communicating with its interior is fixedly installed. A gas valve (not shown in the figure) is installed on the exhaust pipe 810. The exhaust pipe 810 delivers the accumulated hydrogen to the gas tank in the pigsty heating workshop for pigsty heating in winter at regular intervals.

[0027] A capacitance level gauge 84 and an ion sensor 85 are detachably installed below the interior of the second processing box 8. The capacitance level gauge 84 is used to monitor and maintain the water level change inside the second processing box 8, and the ion sensor 85 is used to monitor nitrate ions. On one side below the second processing box 8, a third water inlet pipe 86 communicating with its interior is installed. On one side of the second processing box 8, a storage box 9 is installed. A fifth liquid pump 81 is installed between the second processing box 8 and the storage box 9. The input end of the fifth liquid pump 81 communicates with the lower part inside the second processing box 8, and the output end communicates with the interior of the storage box 9. When the ion content meets the set value, the fifth liquid pump 81 sends dilute nitric acid into the storage box 9 for storage. One side below the storage box 9 is communicated with a liquid outlet pipe 91. The end of the liquid outlet pipe 91 away from the storage box 9 passes through the installation table 3 and faces the side of the water tank 4, and a metering pump 42 is fixedly installed on the liquid outlet pipe 91.

[0028] On one side of the second electrolysis device 67, a first water inlet pipe 616 communicating with its interior is fixedly installed. At the top of the second electrolysis device 67, a cylinder 614 is fixedly installed. The telescopic end of the cylinder 614 is located inside the second electrolysis device 67 and a scraper 622 is fixedly installed. A through groove is opened at the central position of the scraper 622. An annular scraper 6221 is fixedly installed inside the through groove. The anode 619 passes through the central position of the scraper 6221 and is in contact with the scraper 6221, so that when the cylinder 614 operates, it can drive the scraper 622 to move up and down by telescoping back and forth, and scrape off the sulfur attached to the anode 619 through the scraper 6221. A plurality of vertically penetrating stirring grooves 6222 are arranged in an annular array on the scraper 622. The stirring grooves 6222 are inclined. The stirring grooves 6222 can drive the water to rotate and stir when the scraper 622 reciprocates up and down to wash the sulfur that has fallen to the bottom.

[0029] At the lower end of the second electrolysis device 67, a conveying auger 617 connected to its interior is fixedly installed. A pendulum valve 615 is installed between the connection of the conveying auger 617 and the second electrolysis device 67. By opening the pendulum valve 615, sulfur inside the second electrolysis device 67 can fall into the conveying auger 617. The end of the conveying auger 617 is connected to a first processing frame 7. Above the interior of the first processing frame 7, a receiving plate 714 is rotatably installed. One end of the receiving plate 714 is driven by a second motor 79 slidably installed on the first processing frame 7. The other end of the receiving plate 714 is rotatably connected to a bearing block 712 slidably installed on the first processing frame 7. On the side of the first processing frame 7, a sliding frame 78 is fixedly installed. Inside the sliding frame 78, a sliding plate 710 is slidably installed. The second motor 79 is fixedly connected to the sliding plate 710. As for the specific connection relationship between the second motor 79 and the bearing block 712 and the side wall of the first processing frame 7, it is prior art, and the specific structural design will not be elaborated here.

[0030] On the first processing frame 7, a weighing sensor 713 for weighing the materials on the receiving plate 714 is installed. The top of the weighing sensor 713 contacts the lower end of the bearing block 712. On one side of the top of the first processing frame 7, a feed pipe 74 connected to its interior is fixedly installed. The feed pipe 74 is used to send quicklime of corresponding quality into the interior of the first processing frame 7. On the other side of the top of the first processing frame 7, a second water inlet pipe 73 connected to its interior is fixedly installed. On the top of the first processing frame 7, a ventilation valve 71 and a distance sensor 72 are also installed. The distance sensor 72 is used to calculate the water volume based on the distance of the water level and control it to match sulfur and quicklime.

[0031] In the middle position inside the first processing frame 7, a second stirring rod 715 is rotatably installed. The second stirring rod 715 is driven by a third motor 711 fixedly installed on the first processing frame 7. Inside the lower part of the first processing frame 7, a second heating resistor 716 is detachably installed. On one side below the first processing frame 7, a sewage pipe 76 is connected. A ball valve 75 is installed on the sewage pipe 76. On the other side below the first processing frame 7, a discharge pipe 77 is connected.

[0032] On the back of the wet curtain 1, a trolley 10 capable of moving up and down is installed. On the trolley 10, a plurality of atomizing nozzles 101 are fixedly installed. The working ends of the plurality of atomizing nozzles 101 all face the surface of the wet curtain 1. And the input ends of the plurality of atomizing nozzles 101 are commonly connected to a material pipe 102. One end of the material pipe 102 away from the atomizing nozzles 101 is connected to the interior of the first processing frame 7.

[0033] On one side of the upper surface of the installation platform 3, a maintenance cover plate 31 is provided. By opening the maintenance cover plate 31, the equipment inside the cavity can be maintained and solvents such as catalysts and sodium hydroxide can be replaced and supplemented.

[0034] When this application is in use, the spraying device 44 continuously sprays the water in the water tank 4 onto the wet curtain 1 so that there is continuously moving water in the wet curtain 1. The fan discharges the exhaust gas in the pigsty to the wet curtain 1. The organic exhaust gas that produces odor in the exhaust gas, such as ammonia and hydrogen sulfide, dissolves in the water and moves with the transported water. The remaining gas passes through the wet curtain 1 and is discharged outside the pigsty to complete the deodorization of the exhaust gas. The wastewater carrying the exhaust gas falls and is caught by the water collecting tank 52 and enters the return water frame 5 through the water inlet 54. Under the action of the air pump 11, the air outlet pipe 510 continuously pumps air and creates a negative pressure in the return water frame 5. The heating resistor 57 quickly heats the water in the middle area and the water boils and evaporates quickly in the negative pressure environment. The harmful gas in the wastewater overflows with the boiling of the water and enters the air duct 59 together with the water vapor. The partition 56 seals the water through the water levels on both sides to prevent the overflowed exhaust gas from flowing back. The water vapor quickly condenses into water droplets when it encounters the refrigerating sheet 55 powered by electricity for refrigeration and flows along the air duct 59 to be stored in the right area. The water pump 43 continuously sends the treated water into the water tank 4 through the return water pipe 51 for continued use, saving water resources. When the liquid level gauge 41 detects that the water level in the water tank 4 is too low, it means there is no water in the return water frame 5. Immediately switch the water circuit to send the tap water in the factory building into the water tank 4 until the liquid level gauge 41 detects that the water level meets the requirements and issues an alarm to remind the maintenance personnel to conduct a fault check.

[0035] The remaining exhaust gas is cooled down and sent to the absorption frame 6 by the air pump 11. There is sodium hydroxide solution stored in the absorption frame 6. Driven by the motor 61, the stirring rod 623 continuously rotates and stirs, and the exhaust gas sent from the bottom is quickly absorbed by the sodium hydroxide solution and reacts to generate sodium sulfide and ammonia water. The liquid pump 610 and the liquid pump 612 are opened to pump the same volume of solution into the electrolysis device 66 and the electrolysis device 67 respectively. The cathode 618 and the anode 619 are respectively powered on for electrolysis work. Ammonia and hydrogen are generated at the cathode, and sulfur and oxygen are generated at the positive electrode. The ion sensor 620 and the ion sensor 621 respectively monitor the concentrations of ammonium ions and sulfide ions. When the detected ion concentration is lower than the set value, the corresponding electrolysis work is stopped, and the corresponding liquid pump 611 and the liquid pump 613 are opened to drain the solution into the absorption frame 6. Then, the liquid pump 610 or the liquid pump 612 is opened to supplement the solution and continue the electrolysis work. During this period, after each electrolysis ends, the air pump 82 and the air pump 83 send the electrolyzed gas into the treatment frame 8 through the exhaust pipe 64 and the exhaust pipe 65. The air outlet end of the exhaust pipe 65 is located below the wire mesh 87 and close to the alloy mesh 88. The alloy mesh 88 is powered on to maintain a high temperature state. After the ammonia and hydrogen in the exhaust pipe 64 are discharged, the hydrogen floats up, and the ammonia decomposes into nitrogen and hydrogen. As the ammonia continuously decomposes, the nitrogen continuously sinks and the hydrogen continuously floats up. The oxygen in the exhaust pipe 65 is discharged to the vicinity of the mesh surface of the alloy mesh 88 and reacts with the sinking nitrogen to generate nitric oxide and nitrogen dioxide. The exhaust pipe 810 transports the accumulated hydrogen to the gas tank in the pigsty heating workshop for pigsty heating in winter at regular intervals.

[0036] The finally generated nitrogen dioxide combines with the water fed into the water inlet pipe III 86 to form dilute nitric acid. The capacitance level gauge III 84 monitors the water level change and maintains it. The ion sensor III 85 monitors nitrate ions. When the ion content meets the set value, the liquid pump V 81 feeds the dilute nitric acid into the storage box 9 for storage. On the other hand, during the continuous electrolysis operation of the electrolysis device II 67, after a certain amount of water is fed into the water inlet pipe I 616 at regular intervals, the cylinder 614 reciprocates to drive the scraper 622 to move up and down. The sulfur attached to the anode 619 is scraped off by the scraping knife 6221. At the same time, through the stirring grooves 6222 evenly distributed and inclined in a circular pattern on the scraper 622, when the scraper 622 reciprocates up and down, it drives the water to rotate and stir to wash the sulfur that has fallen to the bottom. After the cylinder 614 completes its stroke, the liquid pump IV 613 discharges the wastewater into the absorption box 6. Subsequently, the pendulum valve 615 is opened, and the sulfur falls into the conveying auger 617 and is conveyed to the treatment box I 7. The sulfur falls onto the receiving plate 714, and the weighing sensor 713 weighs and records the weight. Then, the motor II 79 drives the receiving plate 714 to rotate so that the sulfur falls to the bottom of the treatment box I 7. After a period of time, according to the total mass of the weighed sulfur, the feeding pipe 74 feeds the corresponding mass of quicklime to fall onto the receiving plate 714 for weight recheck and then flips and falls. Subsequently, the water inlet pipe II 73 feeds water. The distance sensor 72 calculates the water volume based on the distance of the water level and controls it to match the sulfur and quicklime. Finally, the motor III 711 drives the stirring rod II 715 to rotate and stir, and the heating resistor II 716 performs the heating work. After a period of time, when it is determined that the treatment is over, the motor III 711 and the heating resistor II 716 stop working.

[0037] During the period when each batch of pigs is sold out, the metering pump 42 adds dilute nitric acid into the water tank 4 through the liquid outlet pipe 91, and dissolves the calcified layer on the surface of the wet curtain 1 through the spraying of the spraying device 44 to ensure the normal operation of the wet curtain 1. The trolley 10 moves up and down. At the same time, the atomizing nozzle 101 sprays the lime sulfur mixture in the treatment box I 7 onto the surface of the wet curtain 1 through the material pipe 102 communicated with the discharge pipe 77 to drive away insects and sterilize, preventing a large number of bacteria from being generated and causing infectious hazards and the generation of spider webs, ensuring the normal operation of the wet curtain 1. At the same time, the maintenance personnel open the maintenance cover plate 31 to perform equipment maintenance and the replacement and replenishment of catalysts, sodium hydroxide solvents, etc. The treatment box I 7 regularly opens the ball valve II 75 to discharge impurities from the sewage discharge pipe 76 to prevent blockage inside the treatment box I 7 and solution deterioration, which affects the convenience of driving away insects and sterilizing and is easy to clean.

[0038] The return water box 5 is used to prevent the waste gas absorbed by water from escaping to the outside of the pigsty again, affecting the deodorization effect. Through the separation of water and waste gas, the recycling of water is ensured to save resources. The absorption box 6 stabilizes the waste gas and ionizes it into useful substances. Through the treatment of the treatment box I 7 and the treatment box II 8, lime sulfur mixture and dilute nitric acid are generated. After the pigs are sold out, the staff clean the wet curtain 1 to prevent blockage of the wet curtain 1 and the large reproduction of bacteria, ensuring the normal use of the deodorization system and the deodorization quality, and preventing a large number of bacteria from causing infectious hazards.

[0039] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A treatment device for treating process wastewater generated by organic waste gas, comprising a wall (2), a mounting platform (3), a pool (4) and a spray device (44), characterized in that: A wet curtain (1) is detachably mounted inside the wall (2); a spray device (44) is fixedly mounted on the surface of the wall (2), with its lower end located in the water pool (4), and a spraying end of the spray device (44) faces one side of the wet curtain (1); The mounting platform (3) is provided with a cavity at a position below the wet curtain (1) and the pool (4), a water collecting tank (52) is fixedly installed on the upper part of the cavity, a water return frame (5) is placed on the lower part of the cavity, a separation mechanism is provided inside the water return frame (5), an absorption frame (6) is provided on one side of the water return frame (5), an absorption mechanism is provided inside the absorption frame (6), a processing frame (8) is installed on one side of the absorption frame (6), a decomposition mechanism is provided on the processing frame (8), a storage frame (9) is installed on one side of the processing frame (8), a liquid pump (81) is installed between the processing frame (8) and the storage frame (9), a liquid outlet pipe (91) is connected to one side of the storage frame (9), and an end of the liquid outlet pipe (91) away from the storage frame (9) is directed toward the side of the pool (4) after passing through the mounting platform (3).

2. The device for treating process wastewater generated by organic waste gas according to claim 1, characterized in that: A liquid level meter (41) is detachably mounted on one side of the water pool (4), and the liquid level meter (41) is used to detect the water level inside the water pool (4).

3. The device for treating process wastewater generated by organic waste gas according to claim 1, characterized in that: The separation mechanism comprises a partition plate 1 (56) and a partition plate 2 (58) which are fixedly installed in the return water frame (5) from left to right in sequence, and the interior of the return water frame (5) is divided into three areas: a left side, a middle side and a right side by the partition plate 1 (56) and the partition plate 2 (58). A gap is left between the lower end of the partition plate 1 (56) and the inner bottom wall of the return water frame (5), and a gap is left between the top end of the partition plate 2 (58) and the inner top wall of the return water frame (5), so that the three areas of the left side, the middle side and the right side are connected, and the lower end of the water collecting tank (52) is connected to the left side of the return water frame (5). A water inlet (54) is connected between the areas, a ball valve (53) is installed at the water inlet (54), a heating resistor (57) is installed between the partition (56) and the partition (58), a cooling plate (55) distributed in an inclined shape is provided above the partition (58), the cooling plate (55) is fixedly installed on the inner wall of the return water frame (5) and an air passage (59) is formed between the cooling plate (55) and the partition (58), and a return water pipe (51) is connected to the lower part of the right area, and the upper end of the return water pipe (51) is connected to a water pump (43) after passing through the mounting platform (3).

4. The device for treating process wastewater generated by organic waste gas according to claim 3 is characterized in that: The absorption mechanism comprises an air pump (11) fixedly mounted at the lower end of the absorption frame (6); the input end of the air pump (11) is connected to an air outlet pipe (510); one end of the air outlet pipe (510) away from the air pump (11) is connected to the upper right area of ​​the return water frame (5); the output end of the air pump (11) is connected to the lower part of the absorption frame (6); a sodium hydroxide solution is stored in the absorption frame (6); a stirring rod (623) is rotatably mounted in the absorption frame (6); the stirring rod (623) is driven by a motor (61) fixedly mounted on the absorption frame (6); and electrolysis mechanisms are arranged on both sides of the absorption frame (6).

5. The device for treating process wastewater generated by organic waste gas according to claim 4 is characterized in that: The electrolysis mechanism comprises an electrolysis device 1 (66) installed on one side of an absorption frame (6), and an electrolysis device 2 (67) installed on the other side; a liquid pump 1 (610) and a liquid pump 2 (611) are connected between the electrolysis device 1 (66) and the absorption frame (6); a liquid pump 3 (612) and a liquid pump 4 (613) are connected between the electrolysis device 2 (67) and the absorption frame (6); a cathode (618) is installed inside the electrolysis device 1 (66); an anode (619) is installed inside the electrolysis device 2 (67); an ion sensor 1 (620) is installed inside the electrolysis device 1 (66); and an ion sensor 2 (621) is installed inside the electrolysis device 2 (67).

6. The device for treating process wastewater generated by organic waste gas according to claim 5, characterized in that: The decomposition mechanism comprises an air pump 1 (82) fixedly mounted on one side of the upper end of the processing frame 2 (8), and an air pump 2 (83) on the other side. An exhaust pipe 1 (64) is connected between the input end of the air pump 1 (82) and the electrolysis device 1 (66), and an exhaust pipe 2 (65) is connected between the input end of the air pump 2 (83) and the electrolysis device 2 (67). A steel wire mesh (87), an alloy mesh 1 (88) and an alloy mesh 2 (89) are fixedly mounted in sequence on the upper part of the processing frame 2 (8). The surface of the steel wire mesh (87) is provided with an iron catalyst, and the surface of the alloy mesh 1 (88) is provided with an iron catalyst. When the power is turned on and the high temperature state is maintained, the outlet end of the exhaust pipe 1 (64) is located above the steel mesh (87), the outlet end of the exhaust pipe 2 (65) is located below the steel mesh (87) and close to the alloy mesh 1 (88), the top of the processing frame 2 (8) is fixedly installed with an exhaust pipe 5 (810) connected to the inside thereof, and a gas valve is installed on the exhaust pipe 5 (810), the lower part of the processing frame 2 (8) is detachably installed with a capacitance level gauge 3 (84) and an ion sensor 3 (85), and the lower side of the processing frame 2 (8) is installed with a water inlet pipe 3 (86) connected to the inside thereof.

7. The device for treating process wastewater generated by organic waste gas according to claim 5, characterized in that: A water inlet pipe (616) in communication with the interior of the second electrolysis device (67) is fixedly installed on one side of the second electrolysis device (67); a cylinder (614) is fixedly installed on the top of the second electrolysis device (67); the telescopic end of the cylinder (614) is located inside the second electrolysis device (67) and fixedly installed with a scraper (622); a through groove is provided at the center of the scraper (622); a scraper (6221) in an annular design is fixedly installed inside the through groove; the anode (619) passes through the center of the scraper (6221) and contacts the scraper (6221); a plurality of stirring grooves (6222) that are connected vertically are provided on the scraper (622) in an annular array; the stirring grooves (6222) are inclined in design; A conveying auger (617) connected to the interior of the electrolysis device 2 (67) is fixedly mounted at the lower end thereof, a pendulum valve (615) is mounted between the connection between the conveying auger (617) and the electrolysis device 2 (67), and the end of the conveying auger (617) is connected to a processing frame 1 (7), wherein a preparation component is arranged inside the processing frame 1 (7).

8. The device for treating process wastewater generated by organic waste gas according to claim 7, characterized in that: The preparation assembly comprises a material receiving plate (714) rotatably mounted on the upper part of the processing frame (7), one end of the material receiving plate (714) is driven by a second motor (79) slidably mounted on the processing frame (7), and the other end of the material receiving plate (714) is rotatably connected to a bearing seat (712) slidably mounted on the processing frame (7), a sliding frame (78) is fixedly mounted on the side of the processing frame (7), a sliding plate (710) is slidably mounted on the inner side of the sliding frame (78), the second motor (79) is fixedly connected to the sliding plate (710), and the processing frame (710) is driven by the second motor (79) and the second motor (79 ... A weighing sensor (713) for weighing the material on the receiving plate (714) is installed on the processing frame 1 (7), and the top end of the weighing sensor (713) contacts the lower end of the bearing seat (712). A feeding pipe (74) communicating with the interior of the processing frame 1 (7) is fixedly installed on one side of the top end of the processing frame 1 (7), and a water inlet pipe 2 (73) communicating with the interior of the processing frame 1 (7) is fixedly installed on the other side of the top end of the processing frame 1 (7). A breathable valve (71) and a distance sensor (72) are also installed on the top end of the processing frame 1 (7), and a stirring and heating portion is provided below the receiving plate (714).

9. The device for treating process wastewater generated by organic waste gas according to claim 8, characterized in that: The stirring and heating part comprises a stirring rod 2 (715) rotatably mounted at a middle position inside the processing frame 1 (7), the stirring rod 2 (715) being driven by a motor 3 (711) fixedly mounted on the processing frame 1 (7), a heating resistor 2 (716) being detachably mounted at the lower part of the processing frame 1 (7), a sewage pipe (76) being connected to one side below the processing frame 1 (7), a ball valve 2 (75) being mounted on the sewage pipe (76), and a discharge pipe (77) being connected to the other side below the processing frame 1 (7).

10. The device for treating process wastewater generated by organic waste gas according to claim 8, characterized in that: A trolley (10) capable of moving up and down is mounted on the back of the wet curtain (1), and a plurality of atomizing nozzles (101) are fixedly mounted on the trolley (10), the working ends of the plurality of atomizing nozzles (101) all face the surface of the wet curtain (1), and the input ends of the plurality of atomizing nozzles (101) are commonly connected to a material pipe (102), and an end of the material pipe (102) away from the atomizing nozzle (101) is connected to the interior of a processing frame 1 (7).

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