Hydrolysis acidification tank pulse water distribution device

Abstract

The utility model discloses a kind of hydrolytic acidification pond pulse water distribution devices, belong to water treatment process equipment technical field;It includes: hydrolytic acidification pond, aerobic tank, filter assembly, pulse water distributor and nitrogen charging component, filter assembly is set in aerobic tank, filter assembly can filter water body in aerobic tank;Pulse water distributor includes water distributor main part, and the output end of water distributor main part is communicated with hydrolytic acidification pond by pipeline, and water distributor main part can intermittently inject liquid flow in hydrolytic acidification pond;Nitrogen charging component includes nitrogen charging bin and nitrogen generator, and nitrogen charging bin is respectively communicated with filter assembly and water distributor main part by pipeline, and nitrogen charging bin can extract water body in aerobic tank and input into water distributor main part, and nitrogen generator is communicated with nitrogen charging bin by pipeline, and nitrogen generator can charge nitrogen in water body, and discharge oxygen gas.The utility model can remove oxygen in water body, promote hydrolytic acidification pond normal work.

Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment process equipment technical field especially relates to a hydrolytic acidification tank pulse water distribution device. BACKGROUND

[0002] Pulse water distributor is with the water flow in siphon pipe fast flow air in main pipeline is taken away, makes the main pipeline inside form certain vacuum degree, under the action of pipeline inside and outside atmospheric pressure, the water in container enters main pipeline and is discharged into the pool, because water flow speed is very fast, water distribution can be completed in short time, reaches the effect of pulse, stirs up the sludge at the bottom of the pool, makes it and the sewage in the pool fully mixes, anaerobic bacteria and the organic matter in the sewage get the contact reaction fully.

[0003] The pulse water distribution device in the prior art is widely applied in anaerobic tank, hydrolytic acidification tank and other water treatment processes, promotes the uniform mixing of wastewater and anaerobic sludge in the tank, improves the biochemical efficiency and removes the organic pollutants in the wastewater.

[0004] However, the water body input into the anaerobic tank in the existing pulse water distribution device contains a large amount of oxygen, and the existence of oxygen can seriously interfere with the growth and reproduction of anaerobic bacteria in the anaerobic tank, and weaken the purification function of the anaerobic tank. UTILITY MODEL CONTENTS

[0005] Therefore, it is necessary to provide a hydrolytic acidification tank pulse water distribution device to solve the problem that the water body input in the existing pulse water distribution device contains too much oxygen.

[0006] The utility model provides a hydrolytic acidification tank pulse water distribution device, which comprises a hydrolytic acidification tank and an aerobic tank, and further comprises:

[0007] A filter assembly is arranged in the aerobic tank, and the filter assembly can filter the water body in the aerobic tank.

[0008] A pulse water distributor comprises a water distributor body, the output end of the water distributor body is communicated with the hydrolytic acidification tank through a pipeline, and the water distributor body can intermittently inject liquid flow into the hydrolytic acidification tank.

[0009] The nitrogen filling assembly comprises a nitrogen filling bin and a nitrogen generator, the nitrogen filling bin is communicated with the filter assembly and the water distributor body through pipelines respectively, the nitrogen filling bin can draw water in the aerobic tank and input into the water distributor body, the nitrogen generator is communicated with the nitrogen filling bin through a pipeline, the nitrogen generator can fill nitrogen into water and discharge oxygen.

[0010] Further, the back flushing and cleaning system comprises a first electromagnetic valve for controlling the communication between the aerobic tank and the nitrogen filling bin and a second electromagnetic valve for controlling the communication between the nitrogen filling bin and the water distributor body; nitrogen blocked by the second electromagnetic valve can back flush the filter assembly through the first electromagnetic valve.

[0011] Further, the nitrogen filling assembly further comprises a gas filling unit arranged in the nitrogen filling bin, the gas filling unit comprises a gas main pipe and gas branch pipes, the gas main pipe is communicated with the nitrogen generator through the nitrogen filling bin, a plurality of gas branch pipes are communicated with the gas main pipe respectively, and the gas branch pipes can spray nitrogen gas relative to water.

[0012] Further, the gas main pipe is arranged to extend relative to the height direction of the nitrogen filling bin, the gas branch pipes are arranged to extend relative to the width direction of the nitrogen filling bin, and the plurality of gas branch pipes are arranged equidistantly.

[0013] Further, a plurality of gas injection holes are formed on the gas branch pipe.

[0014] Further, the filter assembly comprises a detachable filter cover body, and the filter cover body is communicated with the nitrogen filling bin through a pipeline.

[0015] Further, the filter cover body is a fiber cover body.

[0016] Further, the pulse water distributor further comprises a water distribution coil pipe, and the water distribution coil pipe is communicated with the water distributor body through a pipeline.

[0017] Further, the nitrogen generator further comprises an oxygen output end, and the oxygen output end is communicated with the aerobic tank through a pipeline.

[0018] Compared with the prior art, the present application has the beneficial effects that:

[0019] The utility model discloses a hydrolytic acidification pool pulse water distribution device is provided with nitrogen filling assembly, and nitrogen filling assembly includes nitrogen filling bin and nitrogen generator, and nitrogen filling bin is passed through pipeline and is communicated with filter component and water distributor main part respectively, and nitrogen filling bin can extract the water body in the oxygen tank and input to water distributor main part. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and serve to explain the utility model together with the detailed description. In the drawings:

[0021] Figure 1 It is the whole structure schematic diagram of the utility model;

[0022] Figure 2 It is the connecting structure schematic diagram of nitrogen filling assembly and back flushing system in the utility model;

[0023] Figure 3 It is the internal structure schematic diagram of nitrogen filling bin in the utility model;

[0024] Figure 4 It is the structure schematic diagram of filter component in the utility model.

[0025] In the drawing, 100, hydrolytic acidification pool;

[0026] 200, oxygen tank;

[0027] 300, filter component;310, filter cover body;

[0028] 400, pulse water distributor;410, water distributor main part;

[0029] 500, nitrogen filling assembly;510, nitrogen filling bin;520, nitrogen generator;530, gas filling unit;531, gas main pipe;532, gas branch pipe;

[0030] 600, back flushing system;610, first electromagnetic valve;620, second electromagnetic valve. DETAILED DESCRIPTION

[0031] The preferred embodiments of the utility model will be described below in conjunction with the drawings, wherein the drawings constitute a part of this application and are used together with the embodiments of the utility model to explain the principles of the utility model, and are not used to limit the scope of the utility model.

[0032] The hydrolysis acidification tank pulse water distribution device in the embodiment relates to the technical field of water treatment process equipment, and performs nitrogen charging and oxygen removal treatment on water bodies input into the pulse water distributor 400, removes oxygen in the water bodies, avoids interference of oxygen on anaerobic bacteria in the acidification tank, and affects the treatment efficiency of the acidification tank on sewage.

[0033] Please refer to Figures 1 to 4 The hydrolysis acidification tank pulse water distribution device in the embodiment includes a hydrolysis acidification tank 100 and an aerobic tank 200 as prior art, the hydrolysis acidification tank 100 can perform anaerobic fermentation on sewage and absorb organic matters in the sewage. The aerobic tank 200 can absorb nitrogen and phosphorus elements in the sewage treated by anaerobic fermentation, degrade soluble organic matters in the sewage, and deeply purify the sewage.

[0034] The hydrolysis acidification tank pulse water distribution device in the embodiment further includes a filtering assembly 300, a pulse water distributor 400, and a nitrogen charging assembly 500. The filtering assembly 300 is arranged in the aerobic tank 200 and can filter floating matters possibly existing in the aerobic tank 200.

[0035] The pulse water distributor 400 includes a water distributor body 410. An output end of the water distributor body 410 is communicated with the hydrolysis acidification tank 100 through a pipeline, and the water distributor body 410 can intermittently spray liquid flow into the hydrolysis acidification tank 100. The liquid flow can agitate sludge in the acidification tank, increase the contact area between water and microorganisms, and thus improve the reaction rate in the hydrolysis and acidification process. The liquid flow can also promote the mixing of the water body, improve the fluidity in the tank, help the activity of microorganisms, improve the degradation capacity, and thus speed up the process of the hydrolysis and acidification reaction.

[0036] The nitrogen charging assembly 500 includes a nitrogen charging bin 510 and a nitrogen generator 520. The nitrogen charging bin 510 is communicated with the filtering assembly 300 and the water distributor body 410 through pipelines. The nitrogen charging bin 510 can extract water bodies in the aerobic tank 200 and input the water bodies into the water distributor body 410. The nitrogen generator 520 is communicated with the nitrogen charging bin 510 through a pipeline. The nitrogen generator 520 can charge nitrogen into the water bodies and discharge oxygen in the water bodies, so as to avoid negative effects of excessively high oxygen content in the water bodies on the growth and reproduction of anaerobic bacteria in the acidification tank, and thus affect the treatment efficiency of the acidification tank on sewage.

[0037] Nitrogen is an inert gas and does not have adverse effects on chemical reactions in water. After nitrogen is injected into the water bodies, the nitrogen can replace dissolved oxygen in the water and reduce the oxygen content of the water bodies. Meanwhile, the nitrogen charging process can effectively prevent the water bodies from contacting air, so as to avoid re-dissolution of oxygen in external air.

[0038] In some embodiments, please refer to Figure 2The pulse water distribution device of the hydrolytic acidification tank further comprises a back flushing system 600, the back flushing system 600 comprises a first electromagnetic valve 610 and a second electromagnetic valve 620, the first electromagnetic valve 610 is arranged on a pipeline connecting the aerobic tank 200 and the nitrogen charging bin 510, and the first electromagnetic valve 610 can control the on-off of the aerobic tank 200 to the nitrogen charging bin 510. The second electromagnetic valve 620 is arranged on a pipeline connecting the nitrogen charging bin 510 and the water distributor main body 410, and the second electromagnetic valve 620 can control the on-off of the nitrogen charging bin 510 to the water distributor main body 410.

[0039] As one of the use states, the first electromagnetic valve 610 is opened, the second electromagnetic valve 620 is closed, and the water in the aerobic tank 200 is sucked into the nitrogen charging bin 510, and the nitrogen charging bin 510 is gradually filled with water.

[0040] As one of the use states, the first electromagnetic valve 610 is closed, the second electromagnetic valve 620 is closed, the nitrogen generator 520 charges nitrogen to the water in the nitrogen charging bin 510, and the oxygen in the water is discharged.

[0041] As one of the use states, the first electromagnetic valve 610 is closed, the second electromagnetic valve 620 is opened, and the water treated by the nitrogen charging is input into the water distributor main body 410.

[0042] As one of the use states, the first electromagnetic valve 610 is opened, the second electromagnetic valve 620 is closed, the nitrogen generator 520 charges nitrogen to the water in the nitrogen charging bin 510, and the excess nitrogen is blocked by the first electromagnetic valve 610, flows reversely, passes through the first electromagnetic valve 610, back-flushes the filter assembly 300, can clear the impurities blocking the filter assembly 300, and restores the filtering capacity of the filter assembly 300.

[0043] It should be noted that the nitrogen charging bin 510 is provided with a pressure valve, when the pressure exceeds a preset value, the pressure valve will automatically release the pressure, to ensure the relative safety of the nitrogen charging bin 510.

[0044] In some embodiments, referring to Figure 3 The nitrogen charging assembly 500 further comprises a gas charging unit 530 arranged in the nitrogen charging bin 510, the gas charging unit 530 comprises a gas main pipe 531 and a plurality of gas branch pipes 532, the gas main pipe 531 communicates with the nitrogen generator 520 through the nitrogen charging bin 510, the plurality of gas branch pipes 532 respectively communicate with the gas main pipe 531, and the gas branch pipes 532 can spray nitrogen relative to the water.

[0045] The nitrogen can be uniformly sprayed relative to the water through the plurality of gas branch pipes 532 to form a distributed gas spraying structure, so that the dissolved oxygen in the water can be more effectively removed, and the oxygen can be prevented from interfering with the anaerobic environment. The nitrogen is sprayed to form micro-bubbles, so that the contact area between the nitrogen and the water is increased, and the replacement and discharge of the oxygen are promoted.

[0046] The bubbles formed after the nitrogen gas is sprayed can carry the oxygen in the water upwards and discharge it, thereby rapidly reducing the oxygen content of the water body and ensuring that the water entering the hydrolysis acidification tank 100 is maintained in an ideal anaerobic state.

[0047] In specific implementations, the gas supply main pipe 531 extends in the height direction of the nitrogen charging bin 510, and the gas supply branch pipe 532 extends in the width direction of the nitrogen charging bin 510. The array arrangement of the gas supply branch pipe 532 and the gas supply main pipe 531 in the vertical plane can ensure that the nitrogen gas is uniformly distributed in the entire nitrogen charging bin 510. The plurality of equidistantly arranged gas supply branch pipes 532 enable the nitrogen gas to be uniformly diffused in different levels and regions of the water body, thereby avoiding the nitrogen gas from being concentrated and sprayed in a local area, and ensuring that the dissolved oxygen in the water body can be fully and rapidly replaced in the nitrogen charging bin 510.

[0048] It should be noted that a plurality of gas injection holes are formed in the gas supply branch pipe 532. Through the plurality of gas injection holes, the nitrogen gas can be sprayed from different positions of the gas supply branch pipe 532, thereby forming a multi-point injection effect in the water body. Compared with a single outlet, the multi-hole design enables the nitrogen gas to be more uniformly dispersed to every corner of the water body, thereby further avoiding the local concentration of the nitrogen gas in some regions and ensuring that the dissolved oxygen in each part of the water body can be efficiently removed.

[0049] The plurality of gas injection holes can greatly increase the contact area of the nitrogen gas in the water body, which is helpful to more rapidly and completely replace the oxygen in the water. Through the multi-point distribution of the nitrogen gas, the oxygen removal process in the water body can be accelerated, and the deoxygenation efficiency can be improved.

[0050] In some embodiments, referring to Figure 2 and Figure 4 the filter assembly 300 includes a detachable filter cover 310. The filter cover 310 is connected to the nitrogen charging bin 510 through a pipeline. The filter cover 310 adopts a detachable design, which facilitates the operator to remove it for cleaning and maintenance during the operation of the equipment or regular maintenance. Compared with a non-detachable filter device, the maintenance workload is greatly reduced, and complex tools or equipment are not required, thereby improving the maintainability of the system. In specific implementations, the filter cover 310 can be connected to the pipeline through a clamp or a thread.

[0051] The filter cover 310 is a fiber cover. The fiber material has a good pore structure and can effectively intercept suspended particles, impurities, sludge and other pollutants in the water body. Compared with traditional materials, the fiber cover has higher filtration precision and can intercept smaller particles, thereby ensuring that the water entering the system is cleaner and ensuring the stability and efficient operation of the subsequent process.

[0052] In addition, the fiber material has a certain elasticity and toughness, and when the fiber cover is blown back with nitrogen, the pore structure of the fiber material can be relatively expanded, which is beneficial to cleaning the impurities blocked in the pores.

[0053] In some embodiments, the pulse water distributor 400 also includes a water distribution coil that is in communication with the water distributor body 410 through a pipe. The water distribution coil is usually designed as a coiled or mesh structure, which uniformly distributes water to different areas of the anaerobic tank or hydrolysis acidification tank 100 through multiple water distribution openings or water outlets. Compared with a single outlet, the water distribution coil can cover a larger area, ensuring uniform stirring of the water body in the tank and avoiding the phenomenon of insufficient water flow or insufficient mixing in local areas. Uniformly distributed water flow can enhance the thorough mixing of water body and sludge in the tank, ensuring more sufficient contact between organic matter and microorganisms, which helps to improve the treatment efficiency in the anaerobic reaction or hydrolysis acidization process, and promotes the conversion of macromolecular organic matter in water into small molecular organic matter.

[0054] In some embodiments, referring to Figure 1 , the nitrogen generator 520 also includes an oxygen output end that is in communication with the aerobic tank 200 through a pipe. The nitrogen generator 520 uses PSA pressure swing adsorption nitrogen production, which uses the difference in adsorption capacity of nitrogen and other gas molecules in the molecular sieve to form a concentration difference accumulation, thereby producing high-purity nitrogen at the end of the molecular sieve column. It uses air as raw material and carbon molecular sieve as adsorbent, and separates oxygen and nitrogen at room temperature by the principle of pressurized adsorption and reduced pressure desorption to produce nitrogen. The nitrogen generator 520 will discharge oxygen as a byproduct while producing nitrogen. By setting the oxygen output end and connecting it with the aerobic tank 200, the excess oxygen can be directly introduced into the aerobic tank 200, avoiding waste of oxygen and achieving optimal use of resources. By continuously feeding oxygen from the nitrogen generator 520 into the aerobic tank 200, the dissolved oxygen content of the water body in the tank can be effectively increased, and the activity of aerobic microorganisms can be enhanced. Aerobic microorganisms rely on oxygen to metabolize and decompose organic matter, and sufficient oxygen supply can improve the treatment efficiency of the aerobic tank 200 and promote the rapid degradation of organic pollutants and the solidification of nitrogen and phosphorus.

[0055] Workflow: First, start the nitrogen filling assembly 500, open the first electromagnetic valve 610, and introduce the water in the aerobic tank 200 through the filter assembly 300 into the nitrogen filling bin 510 through the pipeline. In the nitrogen filling bin 510, the nitrogen generator 520 sprays nitrogen into the water through the gas main pipe 531 and the gas branch pipe 532. The multiple gas injection holes arranged on the gas branch pipe 532 can uniformly inject nitrogen into the water, effectively removing the oxygen in the water. Next, after the water in the nitrogen filling and deoxidation is ready, open the second electromagnetic valve 620 to transport the water in the nitrogen filling bin 510 into the main body of the pulse water distributor 400. The pulse water distributor 400 intermittently sprays water into the hydrolysis acidification tank 100 through the water distribution coil. The multiple water distribution points in the water distribution coil ensure that the water flow is uniformly distributed to different areas of the tank body. Finally, as the equipment is running for a long time, the filter assembly 300 may be blocked by dirt. At this time, the second electromagnetic valve 620 can be closed, the first electromagnetic valve 610 can be kept open, and the nitrogen generated by the nitrogen generator 520 can be used to reverse blow the filter assembly 300 of the aerobic tank 200 to remove accumulated dirt and restore the normal working state of the filter assembly 300.

[0056] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered by the present application.

Claims

1. A hydrolytic acidification tank pulse water distribution device comprising a hydrolytic acidification tank and an aerobic tank, characterized by, Also comprising: a filtering assembly arranged in the aerobic tank, the filtering assembly being capable of filtering the water in the aerobic tank; a pulse water distributor, the pulse water distributor comprising a water distributor body, an output end of the water distributor body being in communication with the hydrolysis acidification tank through a pipeline, the water distributor body being capable of intermittently spraying liquid flow into the hydrolysis acidification tank; a nitrogen charging assembly, the nitrogen charging assembly comprising a nitrogen charging bin and a nitrogen generator, the nitrogen charging bin being in communication with the filtering assembly and the water distributor body through pipelines respectively, the nitrogen charging bin being capable of extracting the water in the aerobic tank and inputting into the water distributor body, the nitrogen generator being in communication with the nitrogen charging bin through a pipeline, the nitrogen generator being capable of charging nitrogen into the water and discharging oxygen.

2. The pulse water distribution device for hydrolytic acidification tank according to claim 1, characterized in that, Also comprising a back flushing system, the back flushing system comprising a first electromagnetic valve for controlling the communication between the aerobic tank and the nitrogen charging bin and a second electromagnetic valve for controlling the communication between the nitrogen charging bin and the water distributor body; nitrogen blocked by the second electromagnetic valve can back flush the filtering assembly through the first electromagnetic valve.

3. The pulse water distribution device for hydrolytic acidification tank according to claim 1, characterized in that, The nitrogen charging assembly further comprises a gas charging unit arranged in the nitrogen charging bin, the gas charging unit comprising a gas main pipe and gas branch pipes, the gas main pipe being in communication with the nitrogen generator through the nitrogen charging bin, a plurality of gas branch pipes being in communication with the gas main pipe respectively, the gas branch pipes being capable of spraying nitrogen gas relative to the water.

4. The pulse water distribution device for a hydrolytic acidification tank according to claim 3, wherein The gas main pipe extends relative to the height direction of the nitrogen charging bin, the gas branch pipes extend relative to the width direction of the nitrogen charging bin, and a plurality of gas branch pipes are arranged equidistantly.

5. The pulse water distribution device for a hydrolytic acidification tank according to claim 4, wherein A plurality of gas injection holes are arranged on the gas branch pipes.

6. The pulse water distribution device for a hydrolytic acidification tank according to claim 1, wherein The filtering assembly comprises a detachable filtering cover, the filtering cover being in communication with the nitrogen charging bin through a pipeline.

7. The pulse water distribution device for a hydrolytic acidification tank according to claim 6, wherein The filtering cover is a fiber cover.

8. The pulse water distribution device for a hydrolytic acidification tank according to claim 1, wherein The pulse water distributor further comprises a water distribution coil pipe, the water distribution coil pipe being in communication with the water distributor body through a pipeline.

9. The pulse water distribution device for a hydrolytic acidification tank according to claim 1, wherein The nitrogen generator further comprises an oxygen output end, the oxygen output end being in communication with the aerobic tank through a pipeline.

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