Integrated immobilized microorganism scenic spot sewage treatment equipment based on solar energy
By combining an integrated immobilized microbial wastewater treatment device with a solar power generation system, the problems of low treatment efficiency and high energy consumption of wastewater treatment equipment in scenic areas when there are large changes in visitor flow have been solved. This has enabled efficient wastewater treatment and water resource recycling, reduced energy consumption, and improved the stability and treatment effect of the equipment.
Patent Information
- Application Number
- CN202310227138.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-03-10
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2043-03-10
AI Technical Summary
Existing wastewater treatment equipment in scenic areas suffers from low efficiency and high energy consumption when faced with large fluctuations in visitor traffic, resulting in significant water waste and hindering efficient treatment and recycling.
An integrated immobilized microbial wastewater treatment system, combined with a solar power generation system, is adopted. It includes a sedimentation tank, a hydrolysis acidification tank, an MBR membrane bioreactor, and a biological contact oxidation tank. Highly efficient microorganisms are immobilized using a hydrophilic porous polyurethane carrier to achieve step-by-step treatment of wastewater. The treatment process is optimized through online monitoring and aeration devices.
The equipment's resistance to shock loads and operational stability have been improved, achieving efficient removal of organic pollutants and nitrogen. The effluent can be used for irrigation of scenic area greening, saving water resources and reducing energy consumption, thus realizing efficient treatment and recycling of wastewater.
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Figure CN116081896B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to sewage treatment technology field, especially to a kind of integrated immobilized microorganism scenic spot sewage treatment equipment based on solar energy. BACKGROUND
[0002] The existing scenic spot domestic sewage treatment technology is difficult to be applied to the characteristics that the flow of people in scenic spot changes particularly greatly, and a large amount of domestic sewage is generated when the flow of people reaches the peak during holidays and weekends. Since the domestic sewage cannot be treated in time, it emits unpleasant odor, or during the off-season of tourism, the sewage treatment facility will be shut down due to the small amount of sewage or even no flow, and a long time is needed for the start-up in the later period.
[0003] The water demand for greening is large in tourist attractions, and a lot of sewage in many scenic spots is directly discharged after treatment, resulting in a large amount of waste of water resources. Therefore, an efficient integrated sewage treatment equipment is proposed, which can realize the reuse of effluent after sewage treatment for greening irrigation.
[0004] The cost of sewage treatment is often on water pump and other water conveying equipment, and the energy consumption is high. Therefore, an integrated sewage treatment equipment based on solar energy is proposed, which has low energy consumption and only consumes electricity in the aeration and MBR membrane tank. The sewage in other compartments adopts gravity flow mode, which greatly saves the consumption of electric energy, and the use of clean energy achieves the purpose of energy saving and emission reduction. SUMMARY
[0005] The present application aims to provide an integrated immobilized microorganism scenic spot sewage treatment equipment based on solar energy, which solves the problems of high energy consumption and waste of water resources in the prior art.
[0006] To solve the above technical problems, the present application adopts the following technical solutions:
[0007] The integrated immobilized microorganism scenic spot sewage treatment equipment based on solar energy comprises an integrated treatment tank and a solar power generation system for power supply, and the solar power generation system is installed outside the integrated treatment tank.
[0008] The integrated treatment tank comprises a left tank body, a right tank body and a water tank, the left tank body and the right tank body are arranged side by side and are separated by a middle partition plate, and the water tank is located on one side of the water outlet of the right tank body; a stainless steel wire mesh is arranged at the bottom of the middle partition plate, and the pretreated sewage in the left tank body penetrates into the right tank body through the stainless steel wire mesh;
[0009] The top of the left pool body is provided with a left cover plate, and a sedimentation tank and a hydrolysis acidification tank are arranged in the left pool body from top to bottom; the top of the left pool body is provided with a water inlet, and the water inlet is communicated with the sedimentation tank through a water inlet guide plate; the sedimentation tank is composed of the left pool body and the inner wall of the middle partition plate by plate welding; the bottom of the hydrolysis acidification tank is provided with a sludge discharge port, and a valve is connected to the outlet of the sludge discharge port.
[0010] The top of the right pool body is provided with a right cover plate, and an MBR membrane biological reaction tank, a three-phase separator and a biological contact oxidation tank are arranged in the right pool body from top to bottom; the MBR membrane biological reaction tank is welded on the inner wall of the right pool body and the partition plate; the three-phase separator is arranged left and right beside the MBR membrane biological reaction tank; the bottom of the biological contact oxidation tank is provided with an aeration device, and a plurality of hydrophilic porous polyurethane carriers immobilized with high-efficiency microorganisms are distributed in the biological contact oxidation tank; the bottom of the biological contact oxidation tank is provided with another sludge discharge port, and a valve is connected to the outlet of the sludge discharge port.
[0011] The top of the water tank is provided with a water outlet pipe, one end of the water outlet pipe is welded on the outer pool wall of the right pool body and communicated with the MBR membrane biological reaction tank, and the water outlet in the MBR membrane biological reaction tank flows into the water tank through the water outlet pipe; the top of the water tank is provided with a water tank cover plate, the water tank cover plate is provided with a square water inlet, and the bottom of the water tank is provided with a water outlet, and a water outlet valve is connected to the water outlet.
[0012] Preferably, the hydrolysis acidification tank is provided with a pH probe and an electric stirrer, the pH probe is connected to the cover plate, and the electric stirrer is connected to the bottom of the plate of the sedimentation tank; the bottom of the hydrolysis acidification tank is spherical, and the sludge discharge port is arranged at the lowest point of the hydrolysis acidification tank.
[0013] Preferably, the bottom of the hydrolysis acidification tank is connected with a mud baffle, the mud baffle is arranged in an annular shape and welded on the bottom of the hydrolysis acidification tank, and the mud baffle is arranged in an eight-character shape in an inclined manner; the distance between the bottom of the eight-character-shaped mud baffle is large, and the distance between the top is small.
[0014] Preferably, the MBR membrane tank is provided with a dissolved oxygen probe and a hollow fiber membrane, one end of the hollow fiber membrane is connected with a water suction pump outside the tank body through a water suction pump pipeline; the aeration device comprises an aeration disc and an aeration pump, the aeration disc is connected with the aeration pump outside through a gas conveying pipe; the dissolved oxygen probe is connected to the right cover plate, a square hole is formed in the right cover plate, the gas conveying pipe and the water suction pump pipeline pass through the square hole, and the cover plate and the tank body are connected by bolts; the bottom of the biological contact oxidation tank is spherical, and the sludge discharge port is arranged at the lowest point of the hydrolysis acidification tank.
[0015] Preferably, the electric mixer, pH on-line monitoring probe, aeration pump, dissolved oxygen probe, water suction pump and multifunctional on-line monitoring probe are connected with the controller and power supply, and the power of the power supply is from the solar power generation system.
[0016] Preferably, a triangular water outlet weir is arranged on the upper part of the lateral steel plate of the sedimentation tank, and the preliminary precipitated sewage in the sedimentation tank enters the hydrolysis acidification tank below through the triangular weir.
[0017] Preferably, the hydrophilic porous polyurethane carrier immobilized high-efficiency microorganism comprises a macroporous reticular polyurethane hydrophilic carrier and a high-efficiency microorganism group, and the high-efficiency microorganism group is adsorbed and connected to the macroporous reticular polyurethane hydrophilic carrier.
[0018] Preferably, the three-phase separator is made of organic glass material, and the front and rear inner walls of the right pool body are welded with clamping grooves, and the three-phase separator is installed in the clamping grooves.
[0019] Preferably, the water tank is provided with a multifunctional on-line monitoring probe, and the multifunctional on-line monitoring probe is connected to the water tank cover plate.
[0020] Preferably, the multifunctional on-line monitoring probe comprises a detection probe for monitoring CODcr, NH3-N, turbidity or dissolved oxygen.
[0021] Compared with the prior art, the beneficial technical effects of the present application are:
[0022] 1) The present application is a kind of based on solar energy's integrated immobilized microorganism scenic spot sewage treatment equipment, including integrated treatment tank and power supply's solar power generation system, integrated treatment tank includes left pool body, right pool body and water tank, left pool body is provided with sedimentation tank and hydrolysis acidification tank, right pool body is provided with MBR membrane biological reaction tank, three-phase separator and biological contact oxidation tank;It also includes the setting of flow guide plate, electric mixer, mudguard, aerator, hydrophilic porous polyurethane carrier immobilized high-efficiency microorganism structure, improves the anti-impact load capacity and stable operation ability of equipment, the equipment structure is simple, and the use is flexible, can flexibly deal with the problem caused by water fluctuation, especially using hydrophilic porous polyurethane carrier immobilized high-efficiency microorganism, effectively improves the sewage purification effect, improves the anti-impact load capacity and operation stability of equipment.
[0023] 2) For the intermittent drainage problem of tourist attractions, the device can realize that the carrier of hydrophilic porous polyurethane immobilized high-efficiency microorganisms is still firm and not easy to fall off and lose after a long time without water, the biological density is high, the impact resistance is good, different microbial flora can be fixed at different parts of the carrier, the spectrum of pollutant removal is improved. Compared with the traditional sludge method, the biochemical degradation speed is fast, the treatment efficiency is high, the effluent quality is good, and stable treatment effect can be maintained in the environment with very low temperature in winter in the north; and the whole biological sludge amount is small, the microorganisms can hibernate, and the start-up recovery cycle is short.
[0024] 3) For the problems of complex existing tourist attraction sewage treatment facilities and unsatisfactory treatment effect, the macroporous reticular form structure of the hydrophilic polyurethane carrier built-in the biological contact oxidation tank can maintain the diversity of immobilized microorganisms, and under certain conditions, aerobic, anoxic and anaerobic bacteria can exist at the same time, organic matter can be decomposed by oxygen, nitrogen compounds can be nitrified, and phosphorus can be absorbed, and a series of processes such as anaerobic hydrolysis, acidification and denitrification can be carried out. At the same time, through the internal mass transfer of the macroporous carrier, the related reaction processes such as nitrification and denitrification, and hydrolysis and aerobic decomposition can be carried out in the same carrier in succession, and CODcr, ammonia nitrogen and total nitrogen in wastewater can be removed at the same time, without the need for backflow and other means as in the conventional method.
[0025] 4) For the problem that a large amount of sewage is generated due to a large number of tourists in a certain period of time in the scenic spot, the treatment device can increase the effluent by starting and running the MBR membrane bioreactor, and realize sewage treatment.
[0026] 5) The present application realizes the step-by-step treatment of sewage through the precipitation system, hydrolysis acidification system, biological contact oxidation system and MBR membrane biological system, and can effectively remove organic pollutants, total nitrogen, ammonia nitrogen and the like under the action of high-efficiency microorganisms, the effluent can be used for landscape irrigation water, realizing the recycling of water resources and greatly saving water resources.
[0027] 6) The present application realizes the real-time online monitoring of the sewage treatment effect of the device through the design of the pH probe, the dissolved oxygen probe and the multifunctional online monitoring probe.
[0028] The present application has compact layout, flexible use, realizes the step-by-step treatment of sewage, realizes real-time online monitoring in the treatment process, can effectively remove organic pollutants, total nitrogen, ammonia nitrogen and the like, has good purification effect, the effluent can be used for landscape irrigation water, realizes the recycling of water resources and greatly saves water resources; in addition, the solar power generation system is integrated into the device, the utilization rate of new energy is improved, and the whole device is more energy-saving and environment-friendly. BRIEF DESCRIPTION OF DRAWINGS
[0029] The present application will be further described below in combination with the description of the drawings.
[0030] Figure 1 The figure is a schematic diagram of the integrated immobilized microorganism scenic area sewage treatment equipment based on solar energy of the present application;
[0031] Figure 2 The figure is a side view of the integrated immobilized microorganism scenic area sewage treatment equipment based on solar energy of the present application;
[0032] Figure 3 The figure is a top view of the integrated immobilized microorganism scenic area sewage treatment equipment based on solar energy of the present application;
[0033] Figure 4 The figure is a schematic diagram of the sedimentation tank and stainless steel wire mesh structure in the left pool body of the present application;
[0034] Figure 5 The figure is a schematic diagram of the installation position of the aeration pump and water suction pump of the present application;
[0035] The figure is a schematic diagram of the installation position of the aeration pump and water suction pump of the present application; DETAILED DESCRIPTION
[0036] In order to make the technical problems, technical solutions and beneficial effects of the present application more clear, the present application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.
[0037] As shown in the figure, an integrated immobilized microorganism scenic area sewage treatment equipment based on solar energy comprises an integrated treatment pool 1 and a solar power generation system for power supply, wherein the solar power generation system is installed outside the integrated treatment pool 1. Figures 1-5
[0038] The integrated treatment tank 1 comprises a left tank body 2, a right tank body 3 and a water tank 4, the left tank body 2 and the right tank body 3 are arranged side by side and are separated by a middle partition plate 5, and the water tank 4 is located on the water outlet side of the right tank body 3; the bottom of the middle partition plate 5 is provided with a stainless steel wire mesh 15, and the pretreated sewage in the left tank body 2 penetrates into the right tank body 3 through the stainless steel wire mesh 15;
[0039] The top of the left tank body 2 is provided with a left cover plate 8, and the left tank body 2 is provided with a sedimentation tank 9 and a hydrolysis acidification tank 11 from top to bottom, the top of the left tank body 2 is provided with a water inlet 6, and the water inlet 6 is communicated with the sedimentation tank 9 through a water inlet guide plate 7; the sedimentation tank 9 is composed of the inner walls of the left tank body 2 and the middle partition plate 5 by plate welding, and the bottom of the hydrolysis acidification tank 11 is provided with a sludge discharge port 14, and the outlet of the sludge discharge port 14 is connected with a valve;
[0040] The top of the right tank body 3 is provided with a right cover plate 27, and the right tank body 3 is provided with an MBR membrane biological reaction tank 21, a three-phase separator 22 and a biological contact oxidation tank 16 from top to bottom, the MBR membrane biological reaction tank 21 is welded on the inner walls of the right tank body 3 and the partition plate 5, the three-phase separator 22 is arranged side by side with the MBR membrane biological reaction tank 21, the bottom of the biological contact oxidation tank 16 is provided with an aeration device, and the biological contact oxidation tank 16 is distributed with a plurality of hydrophilic porous polyurethane carriers for immobilizing high-efficiency microorganisms 20; the bottom of the biological contact oxidation tank 16 is provided with another sludge discharge port 14, and the outlet of the sludge discharge port 14 is connected with a valve;
[0041] The top of the water tank 4 is provided with a water outlet pipe 29, one end of the water outlet pipe 29 is welded on the outer tank wall of the right tank body 3 and is communicated with the MBR membrane biological reaction tank 21, and the water outlet of the MBR membrane biological reaction tank 21 flows into the water tank 4 through the water outlet pipe 29; the top of the water tank 4 is provided with a water tank cover plate 30, the water tank cover plate 30 is provided with a square water inlet 32, one side of the bottom of the water tank 4 is provided with a water outlet 33, and the water outlet 33 is connected with a water outlet valve.
[0042] Specifically, the left cover plate 8, the right cover plate 27 and the water tank cover plate 30 are all made of iron plate, and the left cover plate 8, the right cover plate 27 and the water tank cover plate 30 are connected on the top of the corresponding left tank body 2, right tank body 3 and water tank 4 by hinges or bolts.
[0043] Specifically, the hydrolysis acidification tank 11 is provided with a pH probe 10 and an electric agitator 12, the pH probe 10 is connected to the cover plate 8, and the electric agitator 12 is connected to the bottom of the plate of the sedimentation tank 9; the bottom of the hydrolysis acidification tank 11 is provided with a spherical shape, and the sludge discharge port 14 is arranged at the lowest point of the hydrolysis acidification tank 11.
[0044] Specifically, the bottom of the hydrolysis acidification tank 11 is connected with a mudguard 13, the mudguard 13 is provided in an annular shape, made of steel and welded to the bottom of the hydrolysis acidification tank 11, and the mudguard 13 is arranged in an eight-shaped form with a large bottom spacing and a small top spacing, thereby forming a good shielding effect.
[0045] The MBR biological membrane tank 21 is provided with a dissolved oxygen probe 23 and a hollow fiber membrane 24, one end of the hollow fiber membrane 24 is connected to a water suction pump 26 outside the tank body through a water suction pump pipeline 25; the aeration device includes an aeration disc 17 and an aeration pump 19, the aeration disc 17 is connected to the aeration pump 19 outside through a gas conveying pipe 18; the dissolved oxygen probe 23 is connected to the right cover plate 27, the right cover plate 27 is provided with a square hole 28, the gas conveying pipe 18 and the water suction pump pipeline 25 pass through the square hole 28, and the cover plate 27 is connected to the tank body by bolts; the bottom of the biological contact oxidation tank 16 is provided with a spherical shape, and the sludge discharge port 14 is arranged at the lowest point of the hydrolysis acidification tank 11.
[0046] The electric agitator 12, the pH online monitoring probe 10, the aeration pump 19, the dissolved oxygen probe 23, the water suction pump 26 and the multifunctional online monitoring probe 31 are connected to a controller and a power supply, and the power of the power supply is from the solar power generation system.
[0047] The upper part of the lateral steel plate of the sedimentation tank 9 is provided with a triangular water outlet weir, and the preliminary precipitated sewage in the sedimentation tank 9 enters the hydrolysis acidification tank 11 below through the triangular weir. The water in the sedimentation tank 9 is overflowed from the upper part after preliminary precipitation and reaches the hydrolysis acidification tank 11 below.
[0048] Specifically, the hydrophilic porous polyurethane carrier immobilized high-efficiency microorganism 20 comprises a macroporous reticular polyurethane hydrophilic carrier and a high-efficiency microorganism colony, and the high-efficiency microorganism colony is adsorbed and connected to the macroporous reticular polyurethane hydrophilic carrier. Specifically, by means of the high-performance macroporous reticular polyurethane hydrophilic carrier, the immobilization of the high-efficiency microorganism colony is realized by carrier combination method with the help of the super adsorption and reactive groups of the polyurethane carrier. The carrier is firmly combined with the microorganism and is not easy to fall off or flow away. The biological density is high, the impact resistance is good, different microorganism colonies are fixed at different parts of the carrier, the spectrum of the removal of pollutants is improved, and organic pollutants, total nitrogen, ammonia nitrogen and the like can be effectively removed. The hydrophilic porous polyurethane carrier immobilized high-efficiency microorganism is obtained by using modern biological separation and analysis technology. Specific microorganism colonies are obtained for various types of organic pollutant, and special enzyme preparations are used, so that the microorganism has strong impact load capacity, fast pollutant degradation speed, high biological activity, fast reproduction, and can also reproduce quickly at low temperature, and the impact load capacity of the equipment is improved.
[0049] The hydrophilic porous polyurethane carrier immobilized high-efficiency microorganism 20 is a known microorganism, and specific reference can be made to the following: "Treatment of printing and dyeing wastewater by immobilized microorganism process", Journal of Lanzhou University, October 2008, Vol. 44, No. 5, pages 63-67; and the preparation of the macroporous reticular polyurethane hydrophilic carrier is also a known technology, and specific reference can be made to the following: "Preparation and performance of activated carbon fiber / polyurethane foam carrier", Chemical Bulletin, No. 9, 2008, pages 679-684.
[0050] The three-phase separator 22 is made of organic glass material, and the front and rear inner walls of the right pool body 3 are welded with clamping grooves, and the three-phase separator 22 is installed in the clamping grooves. Specifically, the three-phase separator 22 is a mud, liquid and gas three-phase separator, which is made of organic glass material, is provided with a plurality of two layers (two upper and three lower), and is located above the hydrophilic porous polyurethane carrier immobilized high-efficiency microorganism 20, so as to facilitate effective separation of mud and gas in the treated wastewater, and facilitate subsequent treatment. According to the actual required specifications and sizes, the equipment can be customized and assembled to the set position.
[0051] The water tank 4 is provided with a multifunctional online monitoring probe 31 connected to the water tank cover plate 30. Specifically, the multifunctional online monitoring probe 31 comprises a CODcr, NH3-N, turbidity or dissolved oxygen monitoring detection probe.
[0052] The working process of the present application is as follows:
[0053] When the device is dredging, open the dredging valves on the two dredging ports 14 to carry out dredging, wherein the annular mud baffle 13 in the left pool body can make all the sludge in the hydrolysis acidification pool be discharged outside the device.
[0054] Working principle: when in use, the domestic sewage in the tourist attraction is introduced into the sedimentation tank 9 in the left pool body 2 through the inlet 6, and the sewage is deposited in the sedimentation tank; then the sewage is introduced into the hydrolysis acidification tank 11 at the lower part of the left pool body through the overflow weir, and the macromolecular organic matters in the sewage are degraded into numerous small-molecular organic matters in the hydrolysis acidification tank 11, so as to facilitate the utilization of the subsequent microorganisms; then the sewage is introduced into the biological contact oxidation tank 16 in the right pool body through the stainless steel grid 15, and the sewage and the hydrophilic porous polyurethane carrier immobilized high-efficiency microorganisms 20 are fully reacted under the action of the aeration device; the large-pore reticular form structure of the polyurethane carrier can maintain the diversity of the immobilized microorganisms, and under certain conditions, the aerobic, anoxic and anaerobic bacteria can exist simultaneously, so that the aerobic decomposition of the organic matters, the nitrification of the nitrogen compounds, the absorption of the phosphorus, the anaerobic hydrolysis, the acidification and the denitrification and a series of processes can be carried out, so that the CODcr, the ammonia nitrogen and the total nitrogen in the wastewater can be removed at the same time; after the biochemical reaction is fully carried out, the wastewater is effectively separated from the sludge and the gas through the action of the three-phase separator 22, the gas is diffused through the open part of the device, the generated sludge is deposited and discharged through the dredging port 14 at the bottom of the pool body at regular time, and then the water is introduced into the MBR biological membrane reaction tank 21, treated and deposited again, and then flows out through the outlet pipe 29 and is discharged into the water tank 4.
[0055] When the number of tourists in the scenic spot is large and a large amount of sewage is generated, the water suction pump 26 can be started at the same time; after the sewage is fully reacted through the sedimentation tank 9, the hydrolysis acidification tank 11, the filter screen 15 and the biological contact oxidation tank 16, the sewage is introduced into the MBR membrane biological tank 21, filtered through the hollow fiber membrane 24 in the tank and degraded by the microorganisms in the tank, and then is pumped out of the tank by the water suction pump 26, so that the deposition and water outlet and the MBR membrane biological tank outlet are cooperated to increase the treatment capacity.
[0056] When the tourism off-season comes and the sewage treatment device is not started for a long time, the device needs to be restarted; when the sewage is introduced, the right cover plate 27 is opened, the special high-efficiency microorganism composite inoculant is added around the special hydrophilic porous polyurethane carrier, and aeration is started, so that the microorganisms can be proliferated in a short time, the starting time of the device is greatly shortened, and the amount of microorganisms in the biological contact oxidation tank 16 is increased.
[0057] In general, the device has compact layout and flexible use, realizes the step-by-step treatment of the sewage, realizes real-time online monitoring in the treatment process, can effectively remove the organic pollutants, the total nitrogen, the ammonia nitrogen and the like, has good purification effect, the water outlet can be used for the irrigation water of the landscaping in the scenic spot, realizes the recycling of the water resources, and greatly saves the water resources.
[0058] It is to be noted that, in the present text, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0059] The above-described embodiments are merely preferred ways of implementing the present application, and are not intended to limit the scope of the present application. Any modification and improvement made by those skilled in the art to the technical solutions of the present application without departing from the design spirit of the present application shall fall within the scope of protection of the present application.
Claims
1. A solar-powered integrated immobilized microbial wastewater treatment system for scenic areas, characterized in that: It includes an integrated treatment tank (1) and a solar power generation system for power supply, the solar power generation system being installed outside the integrated treatment tank (1); The integrated treatment tank (1) includes a left tank (2), a right tank (3) and a water tank (4). The left tank (2) and the right tank (3) are arranged side by side and separated by a middle partition (5). The water tank (4) is located on the outlet side of the right tank (3). A stainless steel wire mesh (15) is provided at the bottom of the middle partition (5). The pretreated sewage in the left tank (2) permeates into the right tank (3) through the stainless steel wire mesh (15). The top of the left pool (2) is provided with a left cover plate (8). The left pool (2) contains a sedimentation tank (9) and a hydrolysis acidification tank (11) arranged from top to bottom. The top of the left pool (2) is provided with a water inlet (6). The water inlet (6) is connected to the sedimentation tank (9) through a water inlet guide plate (7). The sedimentation tank (9) is formed by welding plates to the inner wall of the left pool (2) and the middle partition plate (5). The bottom of the hydrolysis acidification tank (11) is provided with a sludge discharge port (14). The outlet of the sludge discharge port (14) is connected to a valve. A triangular water outlet weir is opened on the upper part of the side steel plate of the sedimentation tank (9). The sewage after preliminary sedimentation in the sedimentation tank (9) enters the hydrolysis acidification tank (11) below through the triangular weir. The top of the right pool body (3) is provided with a right cover plate (27). The right pool body (3) is provided with an MBR membrane bioreactor (21), a three-phase separator (22) and a biological contact oxidation tank (16) arranged from top to bottom. The MBR membrane bioreactor (21) is welded to the inner wall of the right pool body (3) and the partition plate (5). The three-phase separator (22) is arranged side by side with the MBR membrane bioreactor (21). The bottom of the biological contact oxidation tank (16) is provided with an aeration device. The biological contact oxidation tank (16) contains many hydrophilic porous polyurethane carrier immobilized high-efficiency microorganisms (20). The bottom of the biological contact oxidation tank (16) is provided with another sludge discharge port (14), and a valve is connected to the outlet of the sludge discharge port (14). A water outlet pipe (29) is provided above the water tank (4). One end of the water outlet pipe (29) is welded to the outer wall of the right pool body (3) and connected to the MBR membrane bioreactor (21). The water effluent in the MBR membrane bioreactor (21) flows into the water tank (4) through the water outlet pipe (29). The top of the water tank (4) is provided with a water tank cover plate (30). The water tank cover plate (30) is provided with a square water inlet (32). The bottom side of the water tank (4) is provided with a water outlet (33). A water outlet valve is connected to the water outlet (33). The MBR membrane bioreactor (21) is equipped with a dissolved oxygen probe (23) and a hollow fiber membrane (24). One end of the hollow fiber membrane (24) is connected to a water pump (26) outside the tank via a water pump pipeline (25). The bottom of the biological contact oxidation tank (16) is spherical, and the sludge discharge port (14) is located at the lowest point of the hydrolysis acidification tank (11); the bottom of the hydrolysis acidification tank (11) is spherical, and the sludge discharge port (14) is located at the lowest point of the hydrolysis acidification tank (11); a baffle plate (13) is connected to the bottom of the hydrolysis acidification tank (11), and the baffle plate (13) is circumferentially welded to the bottom of the hydrolysis acidification tank (11). The baffle plate (13) is arranged in an inclined figure-eight shape, and the bottom spacing of the figure-eight baffle plate (13) is large and the top spacing is small. The three-phase separator (22) is made of plexiglass. The front and rear inner walls of the right pool (3) are welded with slots, and the three-phase separator (22) is installed in the slots. The hydrolysis acidification tank (11) is equipped with a pH probe (10) and an electric stirrer (12). The pH probe (10) is connected to the left cover plate (8), and the electric stirrer (12) is connected to the bottom of the plate of the sedimentation tank (9). The hydrophilic porous polyurethane carrier immobilized high-efficiency microorganisms (20) includes a macroporous network polyurethane hydrophilic carrier and a high-efficiency microbial community, wherein the high-efficiency microbial community is adsorbed and connected to the macroporous network polyurethane hydrophilic carrier. The water tank (4) is equipped with a multi-functional online monitoring probe (31), which is connected to the water tank cover (30). The multi-functional online monitoring probe (31) includes a detection probe for monitoring CODcr, NH3-N, turbidity, or dissolved oxygen.
2. The integrated immobilized microbial wastewater treatment equipment for scenic areas based on solar energy according to claim 1, characterized in that: The aeration device includes an aeration disc (17) and an aeration pump (19). The aeration disc (17) is connected to the external aeration pump (19) through an air supply pipe (18). The dissolved oxygen probe (23) is connected to the right cover plate (27). The right cover plate (27) has a square hole (28) through which the air supply pipe (18) and the water pump pipe (25) pass. The right cover plate (27) is bolted to the pool body.
3. The integrated immobilized microbial wastewater treatment equipment for scenic areas based on solar energy according to claim 2, characterized in that: The electric stirrer (12), pH probe (10), aeration pump (19), dissolved oxygen probe (23), water pump (26) and multi-functional online monitoring probe (31) are all connected to the controller and power supply, and the power supply is all from the solar power generation system.
Citation Information
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Novel comprehensive biological reaction tank utilizing solar energy
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