Reclaimed water recycling equipment for industrial sewage treatment plant
By combining multiple treatment and reuse components, the problem that existing industrial wastewater treatment equipment cannot meet various reuse scenarios is solved, realizing the deep treatment and efficient reuse of greywater, reducing water waste and enterprise water costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-03-27
AI Technical Summary
Existing industrial wastewater treatment equipment is insufficient to meet the needs of various reuse scenarios, resulting in water waste and increased water costs for enterprises.
The system employs multiple treatment and reuse components, including coarse screens, booster pump stations, fine screens, aerated grit chambers, hydrolysis acidification tanks, modified A2/O biological treatment tanks, secondary sedimentation tanks and sludge return wells, high-efficiency sedimentation tanks, and denitrification filters. Through the combined use of multiple treatment units, it achieves deep treatment of wastewater and reuse of reclaimed water.
It has improved the reuse rate of greywater, reduced water waste and water costs for enterprises, and met the needs of various reuse scenarios.
Smart Images
Figure CN224047194U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sewage treatment equipment technical field especially relates to a kind of industrial sewage treatment plant water reuse equipment. BACKGROUND
[0002] With the rapid development of industry, the generation of industrial wastewater is increasing, if industrial wastewater is not effectively treated and directly discharged, it will cause serious pollution to the environment and destroy the ecological balance, at the same time, the problem of water shortage is becoming increasingly serious, how to efficiently treat industrial wastewater and realize water reuse has become a problem to be solved.
[0003] Some existing industrial wastewater treatment equipment has defects such as imperfect treatment process, low water reuse rate, and limited reuse range, for example, some equipment cannot deeply treat some special pollutants when removing impurities and pollutants in wastewater, resulting in substandard water quality, which is difficult to meet the needs of various reuse scenarios, which not only causes waste of water resources, but also increases the water cost and environmental pressure of enterprises.
[0004] To solve the problem that existing industrial wastewater treatment equipment cannot meet the needs of various reuse scenarios, which not only causes waste of water resources, but also increases the water cost and environmental pressure of enterprises, we propose an industrial sewage treatment plant water reuse equipment. SUMMARY
[0005] The utility model aims at providing an industrial sewage treatment plant water reuse equipment, which solves the problem that existing industrial wastewater treatment equipment cannot meet the needs of various reuse scenarios, which not only causes waste of water resources, but also increases the water cost and environmental pressure of enterprises.
[0006] To achieve the above purpose, the industrial sewage treatment plant water reuse equipment adopted by the utility model also includes a multiple treatment and reuse assembly, which includes a coarse grid, a lifting pump house, a fine grid and an aeration grit chamber, the lifting pump house is detachably connected with the coarse grid and located on one side of the coarse grid, the fine grid is detachably connected with the lifting pump house and located on the side of the lifting pump house away from the coarse grid, and the aeration grit chamber is detachably connected with the fine grid and located on the side of the fine grid away from the lifting pump house.
[0007] The multiple treatment and reuse assembly also includes a hydrolysis acidification tank and an improved A2 / O biochemical tank, the hydrolysis acidification tank is arranged on the side of the aeration grit chamber away from the fine grid, and the improved A2 / O biochemical tank is arranged on the side of the hydrolysis acidification tank away from the aeration grit chamber.
[0008] The multiple treatment and reuse assembly further comprises a secondary sedimentation tank and sludge return well, a high-efficiency sedimentation tank and a denitrification filter tank.
[0009] The multiple treatment and reuse assembly further comprises a reuse pipe, which is detachably connected with the denitrification filter tank and is located at a side of the denitrification filter tank away from the high-efficiency sedimentation tank, and the reuse pipe is vertically arranged with the denitrification filter tank.
[0010] The multiple treatment and reuse assembly further comprises a sealing ring and a connecting ring, the sealing ring is detachably connected with the reuse pipe and is located at an outer surface of one end of the reuse pipe close to the denitrification filter tank, and the connecting ring is fixedly connected with the reuse pipe and is located at an outer surface of one end of the reuse pipe away from the denitrification filter tank.
[0011] The industrial wastewater treatment plant water reuse equipment further comprises a multiple treatment and reuse assembly, the multiple treatment and reuse assembly comprises a coarse grid, a lifting pump house, a fine grid and an aerated grit chamber, the lifting pump house is detachably connected with the coarse grid and is located at one side of the coarse grid, the fine grid is detachably connected with the lifting pump house and is located at one side of the lifting pump house away from the coarse grid, and the aerated grit chamber is detachably connected with the fine grid and is located at one side of the fine grid away from the lifting pump house. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0013] Fig. 1 It is a structural schematic view of the whole of the present application.
[0014] Fig. 2 It is a top view of the whole of the present application.
[0015] Fig. 3 It is a rear view of the whole of the present application.
[0016] 101 - coarse screen, 102 - pumping station, 103 - fine screen, 104 - aerated grit chamber, 105 - hydrolysis acidification tank, 106 - modified A2 / O biochemical tank, 107 - secondary sedimentation tank and sludge return well, 108 - high-efficiency sedimentation tank, 109 - denitrification filter tank, 110 - reuse pipe, 111 - sealing ring, 112 - connecting ring. DETAILED DESCRIPTION
[0017] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numbers represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.
[0018] Please refer to Figs. 1-3 , Fig. 1 is a structural schematic diagram of the whole of the present application, Fig. 2 is a top view of the whole of the present application, Fig. 3 is a rear view of the whole of the present application.
[0019] The utility model provides a kind of industrial sewage treatment plant reclaimed water equipment, further includes multiple processing reuse components, the multiple processing reuse components include coarse grid 101, lifting pump house 102, fine grid 103, aeration grit chamber 104, hydrolysis acidification pond 105, improved A2 / O biochemical pond 106, two sedimentation tanks and sludge return well 107, efficient sedimentation tank 108, denitrification filter tank 109, reuse pipe 110, sealing ring 111And connecting ring 112, the foregoing scheme solves the problem that existing industrial sewage treatment equipment is difficult to meet the needs of multiple reuse scenarios, not only causes the waste of water resources, but also increases the water cost and environmental protection pressure of enterprise, it can be understood that the foregoing scheme can be used, the motor drive rake tooth of coarse grid 101 is regularly operated, interval time can be adjusted according to the amount of floating matter in sewage, generally set as running once every 15-30 minutes, and each running time is 2-5 minutes, when running, the sundries on the grid bar are lifted to sundry collection groove by rake tooth, and manually cleaned regularly, the sewage lifting pump in lifting pump house 102 is automatically controlled to start and stop according to the water level in lifting pump house, when water level reaches high water level setting value, lifting pump is automatically started, and sewage is lifted to fine grid 103;When water level drops to low water level setting value, lifting pump is automatically stopped, and the flow of lifting pump is selected and adjusted according to the design flow of entire processing system, to ensure that sewage can stably enter subsequent processing link, the automatic decontamination device of fine grid 103 continuously operates, and the impurities intercepted on grid net are continuously cleaned by rotating brush disc, the rotating speed of brush disc is generally set as 10-20 revolutions per minute, to ensure cleaning effect, and the impurities cleaned fall into collection groove below fine grid, and manually cleaned regularly, the aeration device at the bottom of aeration grit chamber 104 continuously aerates, and aeration amount is adjusted according to the water quality and water volume of sewage, generally controlled at 0.5-1 per cubic meter of sewage.5m3air, sanding machine is regularly run, interval time is 1-2 hours, each running time is 10-15 minutes, the sand particles precipitated in the pool bottom are scraped to the sand hopper to discharge, the sewage residence time in the hydrolysis acidification pool 105 is generally controlled to be 6-8 hours, the residence time is ensured by adjusting the inflow, the state of the elastic filler in the pool is regularly checked, if there is blockage or damage, it is cleaned or replaced in time, the anaerobic zone, the anoxic zone and the aerobic zone of the improved A2 / O biochemical pool 106 control different operation parameters respectively, the stirring device of the anaerobic zone continuously operates to ensure that the sewage and microorganisms are fully mixed, the stirring device of the anoxic zone has a low rotating speed to prevent sludge precipitation, the aeration system of the aerobic zone is adjusted according to the dissolved oxygen concentration, the dissolved oxygen concentration is generally controlled to be 2-4 mg / L, the activity and quantity of the microorganisms in the biochemical pool are regularly detected, the sludge return ratio and the dosing amount of nutrients are adjusted according to the detection results, the sludge scraper in the secondary sedimentation tank and the sludge return well 107 continuously operates, the activated sludge precipitated in the pool bottom is scraped to the sludge return well, the sludge return pump adjusts the return ratio according to the needs of the biochemical system, the return ratio is generally controlled to be 50%-100%, the residual sludge pump is regularly started to discharge the residual sludge for subsequent treatment, the starting time and frequency are adjusted according to the sludge amount, the flocculant and the coagulant aid in the high-efficiency sedimentation tank 108 are added by the dosing device according to a certain proportion, the dosing amount is adjusted according to the water quality of the sewage, the carbon source is regularly added in the denitrification filter 109, the dosing amount of the carbon source is adjusted according to the nitrate nitrogen content in the sewage, the denitrification filter is regularly backwashed, the backwashing period is generally 3-5 days, the backwashing time is 10-20 minutes, to ensure the filtration performance of the filter material, when the water level reaches the set upper limit, the effluent of the denitrification filter 109 is automatically switched to the bypass pipe to be directly discharged or enter other standby treatment facilities, when the water level drops to the set lower limit, the reclaimed water supply pump is automatically started to transport the reclaimed water to each reuse point through the reuse pipe 110, the water quality of the reclaimed water is regularly detected to ensure that the reclaimed water meets the reuse standard.
[0020] For this specific embodiment, the lifting pump house 102 is detachably connected with the coarse grid 101 and located on one side of the coarse grid 101, the fine grid 103 is detachably connected with the lifting pump house 102 and located on the side of the lifting pump house 102 away from the coarse grid 101, the aerated grit chamber 104 is detachably connected with the fine grid 103 and located on the side of the fine grid 103 away from the lifting pump house 102, the aeration device at the bottom of the aerated grit chamber 104 continuously aerates, the aeration amount is adjusted according to the water quality and water amount of the sewage, which is generally controlled to be 0.5-1.5 m3air per m3sewage, the sanding machine is regularly run, the interval time is 1-2 hours, and the running time is 10-15 minutes each time to scrape the sand particles precipitated in the pool bottom to the sand hopper to discharge.
[0021] The hydrolysis acidification tank 105 is arranged on the side of the aerated grit chamber 104 away from the fine screen 103, the modified A2 / O biochemical tank 106 is arranged on the side of the hydrolysis acidification tank 105 away from the aerated grit chamber 104, the sewage residence time in the hydrolysis acidification tank 105 is generally controlled to be 6-8 hours, the residence time is ensured by adjusting the inflow, the state of the elastic filler in the tank is regularly checked, and the tank is cleaned or replaced in time if the elastic filler is blocked or damaged, different operation parameters are controlled in the anaerobic zone, the anoxic zone and the aerobic zone of the modified A2 / O biochemical tank 106, the stirring device in the anaerobic zone continuously operates to ensure that the sewage and the microorganisms are fully mixed, the stirring device in the anoxic zone has a low rotating speed to prevent the sludge from depositing, and the aeration system in the aerobic zone is adjusted according to the dissolved oxygen concentration, the dissolved oxygen concentration is generally controlled to be 2-4 mg / L, the activity and the quantity of the microorganisms in the biochemical tank are regularly detected, and the sludge reflux ratio and the dosing quantity of the nutrients are adjusted according to the detection results.
[0022] Secondly, the secondary sedimentation tank and the sludge reflux well 107 are arranged on the side of the modified A2 / O biochemical tank 106 away from the hydrolysis acidification tank 105, the high-efficiency sedimentation tank 108 is arranged on the side of the secondary sedimentation tank and the sludge reflux well 107 away from the modified A2 / O biochemical tank 106, the denitrification filter tank 109 is arranged on the side of the high-efficiency sedimentation tank 108 away from the secondary sedimentation tank and the sludge reflux well 107, the mud scraper in the secondary sedimentation tank and the sludge reflux well 107 continuously operates to scrape the activated sludge deposited on the bottom of the tank to the sludge reflux well, the sludge reflux pump adjusts the reflux ratio according to the needs of the biochemical system, and the reflux ratio is generally controlled to be 50%-100%, the residual sludge pump is regularly started to discharge the residual sludge for subsequent treatment, the starting time and frequency are adjusted according to the sludge quantity, and the flocculant and the coagulant aid in the high-efficiency sedimentation tank 108 are added in a certain proportion through the dosing device, the dosing quantity is adjusted according to the water quality of the sewage, and the inclined-pipe sedimentation zone is regularly cleaned to prevent algae breeding and the inclined pipe from being blocked, and the cleaning period is generally 1-2 months.
[0023] Meanwhile, the reuse pipe 110 is detachably connected with the denitrification filter tank 109 and is arranged on the side of the denitrification filter tank 109 away from the high-efficiency sedimentation tank 108, the reuse pipe 110 is vertically arranged with the denitrification filter tank 109, a liquid level control system is arranged in the reclaimed water storage tank, when the water level reaches the set upper limit, the effluent of the denitrification filter tank 109 is automatically switched to the bypass pipe to be directly discharged or introduced into other standby treatment facilities, when the water level drops to the set lower limit, the reclaimed water supply pump is automatically started to convey the reclaimed water to various reuse points through the reuse pipe 110, the water quality of the reclaimed water is regularly detected to ensure that the reclaimed water meets the reuse standard.
[0024] In addition, the sealing ring 111 is detachably connected with the reuse pipe 110 and located on the outer surface of one end of the reuse pipe 110 close to the denitrification filter 109, and the connecting ring 112 is fixedly connected with the reuse pipe 110 and located on the outer surface of one end of the reuse pipe 110 away from the denitrification filter 109.
[0025] In use of the utility model, the motor drive rake tooth of the coarse grid 101 is regularly operated, and interval time can be adjusted according to the amount of floating matter in sewage, and is generally set to operate once every 15-30 minutes, and the operation time is 2-5 minutes each time, when operating, the rake tooth lifts the sundries intercepted on the grid bar to the sundry collecting groove, and is regularly cleaned by manual, the sewage lifting pump in the lifting pump house 102 is automatically controlled to start and stop according to the water level in the lifting pump house, when the water level reaches the high water level setting value, the lifting pump is automatically started, and lifts the sewage to the fine grid 103, when the water level drops to the low water level setting value, the lifting pump is automatically stopped, and the flow of the lifting pump is selected and adjusted according to the design flow of the whole treatment system, to ensure that the sewage can stably enter the subsequent treatment link, the automatic sewage cleaning device of the fine grid 103 continuously operates, and the sundries intercepted on the grid net are continuously cleaned by the rotating brush disc, and the rotating speed of the brush disc is generally set to 10-20 revolutions per minute, to ensure the cleaning effect, and the cleaned sundries fall into the collecting groove below the fine grid, and are regularly cleaned by manual, the aeration device at the bottom of the aeration sand pool 104 continuously aerates, and the aeration amount is adjusted according to the water quality and water quantity of the sewage, and is generally controlled at 0.5-1 per cubic meter of sewage.5 cubic meters of air, sanding machine is regularly run, interval time is 1-2 hours, each operation time is 10-15 minutes, the sand particles precipitated in the bottom of the tank are scraped to the sand hopper to discharge, the sewage residence time in the hydrolysis acidification tank 105 is generally controlled to be 6-8 hours, the residence time is ensured by adjusting the inflow, the state of the elastic filler in the tank is regularly checked, if there is blockage or damage, the cleaning or replacement is carried out in time, the anaerobic zone, the anoxic zone and the aerobic zone of the improved A2 / O biochemical tank 106 control different operation parameters respectively, the stirring device of the anaerobic zone continuously operates to ensure that the sewage and the microorganisms are fully mixed, the stirring device of the anoxic zone has a low rotating speed to prevent the sludge from precipitating, the aeration system of the aerobic zone is adjusted according to the dissolved oxygen concentration, the dissolved oxygen concentration is generally controlled to be 2-4 mg / L, the activity and the quantity of the microorganisms in the biochemical tank are regularly detected, the sludge return ratio and the dosing amount of the nutrients are adjusted according to the detection results, the mud scraper in the secondary sedimentation tank and the sludge return well 107 continuously operates, the active sludge precipitated in the bottom of the tank is scraped to the sludge return well, the sludge return pump adjusts the return ratio according to the needs of the biochemical system, the return ratio is generally controlled to be 50%-100%, the residual sludge pump is regularly started to discharge the residual sludge for subsequent treatment, the starting time and frequency are adjusted according to the sludge amount, the flocculant and the coagulant aid in the high-efficiency sedimentation tank 108 are added by the dosing device according to a certain proportion, the dosing amount is adjusted according to the water quality of the sewage, the carbon source is regularly added in the denitrification filter tank 109, the dosing amount of the carbon source is adjusted according to the nitrate nitrogen content in the sewage, the denitrification filter tank is regularly backwashed, the backwashing period is generally 3-5 days, the backwashing time is 10-20 minutes, to ensure the filtration performance of the filter material, when the water level reaches the set upper limit, the effluent of the denitrification filter tank 109 is automatically switched to the bypass pipe to be directly discharged or enter other standby treatment facilities, when the water level drops to the set lower limit, the reclaimed water supply pump is automatically started, the reclaimed water is transported to each reuse point through the reuse pipe 110, the water quality of the reclaimed water is regularly detected to ensure that the reclaimed water meets the reuse standard.
[0026] The above disclosed is only a preferred embodiment of the utility model, of course, cannot with this to limit the utility model right range, the person skilled in the art can understand that the whole or part of the processes of the above-mentioned embodiments are implemented, and the equivalent changes made according to the utility model claim still belong to the range covered by the utility model.
Claims
1.Industrial sewage treatment plant water reuse equipment, characterized in that, Further comprising a multiple treatment reuse assembly, the multiple treatment reuse assembly comprising a coarse grid, a lifting pump house, a fine grid and an aerated grit chamber, the lifting pump house being detachably connected with the coarse grid and located on one side of the coarse grid, the fine grid being detachably connected with the lifting pump house and located on a side of the lifting pump house away from the coarse grid, and the aerated grit chamber being detachably connected with the fine grid and located on a side of the fine grid away from the lifting pump house. 2.The industrial sewage treatment plant water reuse equipment of claim 1, characterized in that, The multiple treatment reuse assembly further comprises a hydrolysis acidification tank and a modified A2 / O biochemical tank, the hydrolysis acidification tank being arranged on a side of the aerated grit chamber away from the fine grid, and the modified A2 / O biochemical tank being arranged on a side of the hydrolysis acidification tank away from the aerated grit chamber. 3.The industrial sewage treatment plant water reuse equipment of claim 2, characterized in that, The multiple treatment reuse assembly further comprises a secondary sedimentation tank and a sludge return well, a high-efficiency sedimentation tank and a denitrification filter tank, the secondary sedimentation tank and the sludge return well being arranged on a side of the modified A2 / O biochemical tank away from the hydrolysis acidification tank, the high-efficiency sedimentation tank being arranged on a side of the secondary sedimentation tank and the sludge return well away from the modified A2 / O biochemical tank, and the denitrification filter tank being arranged on a side of the high-efficiency sedimentation tank away from the secondary sedimentation tank and the sludge return well. 4.The industrial sewage treatment plant water reuse equipment of claim 3, characterized in that, The multiple treatment reuse assembly further comprises a reuse pipe, the reuse pipe being detachably connected with the denitrification filter tank and located on a side of the denitrification filter tank away from the high-efficiency sedimentation tank, and the reuse pipe being arranged vertically with the denitrification filter tank. 5.The industrial sewage treatment plant water reuse equipment of claim 4, characterized in that, The multiple treatment reuse assembly further comprises a sealing ring and a connecting ring, the sealing ring being detachably connected with the reuse pipe and located on an outer surface of one end of the reuse pipe close to the denitrification filter tank, and the connecting ring being fixedly connected with the reuse pipe and located on an outer surface of the other end of the reuse pipe away from the denitrification filter tank.