MABR filler integrated sewage treatment device

Abstract

The utility model discloses an MABR filler integrated sewage treatment device, which relates to the technical field of sewage treatment and mainly comprises a water inlet, a tank body and a water outlet, the tank body consists of an anaerobic zone, an anoxic zone, an aerobic zone, a settling zone, a filtering zone and an equipment room, the water inlet is arranged at the front end of the anaerobic zone, and the water outlet is arranged at the bottom of the side surface of the tail end of the filtering zone; an air supply system is arranged in the equipment room, an MABR membrane filler module is arranged in the anoxic zone, and a filler module and a nitrification liquid reflux pump are arranged in the aerobic zone; and an inclined plate settling zone and a sludge port are arranged in the settling zone. The MABR membrane component and the curtain type filler in the device are mounted in a modularized manner and are combined with a bottom perforated aeration pipe or a bottom aerator for use, pollutants are degraded by comprehensively utilizing the MABR membrane and a biological membrane on the surface of the curtain type filler, sewage enters a filter tank through precipitation and is further filtered, and the pollutants are further purified and then discharged. The device has the advantages of modular installation, simplicity in maintenance and management, convenience in movement, safety, reliability and the like.

Description

Technical Field

[0001] The utility model discloses a MABR filler integrated sewage treatment device, which relates to the technical field of sewage treatment. Background Art

[0002] Urban sewage treatment technology is becoming more and more mature. With the rapid development of the economy, the requirements for water quality indicators of sewage treatment are getting higher and higher, and many new technologies are gradually emerging. Among them, MABR technology has been widely used in surface water treatment and urban sewage treatment plant upgrading and transformation, but it also needs to reduce costs and be combined with other processes. In traditional sewage treatment processes, activated sludge method and biofilm method are mostly used, and fillers have been widely used in biofilm method. Fillers have the advantages of large amount of microbial film and low price in sewage treatment applications. Considering the installation speed and use effect of sewage treatment equipment, and combining with MABR technology to reduce investment costs while ensuring sewage treatment effects, it is necessary to develop an integrated sewage treatment device with MABR technology and fillers to achieve modular overall installation, convenience and speed. Utility Model Content

[0003] The utility model provides a MABR filler integrated sewage treatment device, in which the filler is made into a curtain type and is made into a module together with a MABR membrane component, and the biofilm on the surface of the MABR membrane and the filler is used to degrade pollutants, so that the module can be quickly installed, the maintenance and management are simple, safe and reliable, and the operation effect of the treatment device is improved.

[0004] The utility model is realized by the following technical solutions:

[0005] The MABR filler integrated sewage treatment device is characterized in that it mainly includes a water inlet, a tank body and a water outlet. The tank body is composed of an anaerobic zone, an anoxic zone, an aerobic zone, a sedimentation zone, a filtration zone and an equipment room, wherein the equipment room is arranged on one side of the anaerobic zone, the water inlet is arranged at the front end of the anaerobic zone, the anaerobic zone, the anoxic zone, the aerobic zone, the sedimentation zone and the filtration zone are connected in sequence, and each zone is separated by a partition, and the water outlet is arranged at the bottom of the side of the end of the filtration zone; an air supply system is arranged in the equipment room, and the air supply system is mainly composed of a fan, a gas control valve and an air supply pipeline; a hydraulic agitator is arranged in the anaerobic zone; a MABR membrane filler module is arranged in the anoxic zone, and the MABR membrane filler module is composed of a MABR membrane assembly, a curtain filler, a module bracket and a bottom The aerobic zone is composed of a perforated aeration pipe, and the bottom perforated aeration pipe is arranged at the bottom of the module bracket; a packing module and a nitrification liquid reflux pump are arranged in the aerobic zone, and the packing module is composed of a curtain-type packing, a module bracket, a bottom air supply pipe and a bottom aerator, and the nitrification liquid reflux pump transports the nitrification liquid to the front end of the anoxic zone through the nitrification liquid reflux pipeline; an inclined plate sedimentation zone and a sludge outlet are arranged in the sedimentation zone, and the remaining sludge is discharged through the sludge outlet, a part of it is refluxed to the front end of the anaerobic zone through the sludge pipeline, and the other part of the remaining sludge is discharged out of the pool body; a filtering packing is arranged in the filtering zone, and the filtered water is discharged out of the pool body through the water outlet; the fan in the equipment room supplies air to the anoxic zone and the aerobic zone through the air supply pipeline, and separate gas control valves are respectively arranged in the anoxic zone and the aerobic zone.

[0006] Furthermore, the number of MABR membrane filler modules arranged in the anoxic zone is 3 or more.

[0007] Furthermore, the ratio of the number of MABR membrane components to the curtain filler in the MABR membrane filler module is 2:1.

[0008] Furthermore, the packing modules are arranged in the front 2 / 3 of the aerobic zone, and the number of the packing modules is 2 groups or more.

[0009] Furthermore, the filling end of the curtain-type filling is hollow inside and can pass through a DN25 pipe.

[0010] Furthermore, the curtain-type filler is a high-efficiency composite biological filler.

[0011] Furthermore, a granular filter material is installed in the filter area, and a volcanic rock filter material is selected.

[0012] The utility model of the MABR filler integrated sewage treatment device, the MABR membrane assembly and the curtain filler are installed in a modular manner, and are used in combination with the bottom perforated aeration pipe or the bottom aerator, and the biofilm on the surface of the MABR membrane and the curtain filler is used to degrade pollutants. The sewage enters the filter tank after sedimentation, and is further filtered through the volcanic rock filter material, so that the pollutants are further purified, and the sewage treatment reaches the discharge standard. The utility model device has the advantages of modular installation, simple maintenance and management, convenient movement, safety and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Attached Figure 1 It is a schematic diagram of the planar structure of the utility model.

[0014] Attached Figure 2 It is a schematic diagram of the facade process structure of the utility model.

[0015] Attached Figure 3 This is a schematic diagram of the structure of the MABR membrane filler module of the utility model.

[0016] Attached Figure 4 This is a schematic diagram of the filler module structure of the utility model.

[0017] Attached Figure 5 This is a schematic diagram of the module bracket structure of the present utility model.

[0018] Attached Figure 6 This is a schematic diagram of the curtain-type packing structure of the utility model.

[0019] In the figure: 1, water inlet, 2, anaerobic zone, 201, hydraulic agitator, 3, anoxic zone, 301, MABR membrane filler module, 3011, MABR membrane assembly, 3012, curtain filler, 3013, module bracket, 3014, bottom perforated aeration pipe, 4, aerobic zone, 401, filler module, 4013, bottom air supply pipe, 4014, bottom aerator, 402, nitrification liquid reflux pump, 403, nitrification liquid reflux pipeline, 5, sedimentation zone, 501, sludge outlet, 502, sludge pipeline, 6, filtration zone, 7, water outlet, 8, equipment room, 801, fan, 802, gas control valve, 803, air supply pipeline. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects of the utility model easy to understand, please refer to Figure 1-Figure 6 , the utility model is further explained below in conjunction with specific implementation methods.

[0021] The MABR filler integrated sewage treatment device mainly comprises a water inlet 1, a tank body and a water outlet 7. The tank body is composed of an anaerobic zone 2, an anoxic zone 3, an aerobic zone 4, a sedimentation zone 5, a filtration zone 6 and an equipment room 8, wherein the equipment room 8 is arranged at one side of the anaerobic zone 2, the water inlet 1 is arranged at the front end of the anaerobic zone 2, the anaerobic zone 2, the anoxic zone 3, the aerobic zone 4, the sedimentation zone 5 and the filtration zone 6 are connected in sequence, and each zone is separated by a partition, and the water outlet 7 is arranged at the bottom of the side of the end of the filtration zone 6; the equipment room 8 is provided with an air supply system, and the air supply system is mainly composed of a fan 801, a gas control valve 802 and an air supply pipeline 803; a hydraulic agitator 201 is arranged in the anaerobic zone 2; a MABR membrane filler module 301 is arranged in the anoxic zone 3, and the MABR membrane filler module 301 is composed of a MABR membrane assembly 3011, a curtain filler 3012, a module bracket 3013 and a bottom perforated aeration pipe 3014 The bottom perforated aeration pipe 3014 is arranged at the bottom of the module bracket 3013; the packing module 401 and the nitrification liquid reflux pump 402 are arranged in the aerobic zone 4, the packing module 401 is composed of the curtain-type packing 3012, the module bracket 3013, the bottom air supply pipe 4013 and the bottom aerator 4014, and the nitrification liquid reflux pump 402 transports the nitrification liquid to the front end of the anoxic zone 3 through the nitrification liquid reflux pipeline 403; the settling zone 5 is provided with an inclined plate settling zone and a sludge outlet 501, the remaining sludge is discharged through the sludge outlet 501, a part of it is refluxed to the front end of the anaerobic zone 2 through the sludge pipeline 502, and the other part of the remaining sludge is discharged out of the pool body; the filtering zone 6 is provided with filtering packing, and the filtered water is discharged out of the pool body through the water outlet; the fan 801 in the equipment room 8 supplies gas to the anoxic zone 3 and the aerobic zone 4 through the air supply pipeline 803, and the anoxic zone 3 and the aerobic zone 4 are respectively provided with separate gas control valves 802.

[0022] Example 1: A sewage treatment project with a sewage treatment capacity of 300m 3 / d. The main water quality indicators before treatment were COD≤300mg / L, ammonia nitrogen≤30mg / L, and total nitrogen≤50mg / L. The main water quality indicators after treatment reached the Level A standard of "Pollutant Discharge Standard for Urban Wastewater Treatment Plants" (GB18918-2002) (COD≤50mg / L, ammonia nitrogen≤5mg / L, and total nitrogen≤15mg / L).

[0023] The size of the pool is designed according to the sewage treatment volume, and the total hydraulic retention time is set to 20h. The number of MABR membrane filler modules 301 installed in the anoxic zone 3 is 6, and the ratio of the number of MABR membrane components 3011 to the curtain filler 3012 in the MABR membrane filler module 301 is 2:1; the front 2 / 3 of the aerobic zone 4 is installed with filler modules 401, the number of filler modules 401 is 10, and the number of curtain fillers 3012 in each filler module 401 is 10 groups, and the filler end of the curtain filler 3012 is hollow inside and can pass through the DN25 U-PVC pipe; the inner cross brace of the module bracket 3013 adopts a movable joint, and the two ends are threaded; the curtain filler 3013 uses a high-efficiency composite biological filler; 4 bottom aerators 4014 are installed at the bottom of each filler module 401 in the aerobic zone 4, and a control valve is set to adjust the aeration volume. The nitrification liquid reflux ratio of the aerobic zone is controlled at 100%-150%; volcanic rock particle filter material is installed in the filtration zone 6.

[0024] After the above steps, the treated water can meet the effluent water quality requirements.

[0025] The above embodiments are only for explaining the technical concept and features of the utility model, and their purpose is to enable ordinary technicians in the field to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and concept of the utility model within the technical scope of the utility model, which should be covered by the protection scope of the utility model.

Claims

1. A MABR filler integrated sewage treatment device, characterized in that: It mainly includes a water inlet, a tank body and a water outlet. The tank body is composed of an anaerobic zone, an anoxic zone, an aerobic zone, a sedimentation zone, a filtration zone and an equipment room. The equipment room is set at one side of the anaerobic zone, the water inlet is set at the front end of the anaerobic zone, the anaerobic zone, the anoxic zone, the aerobic zone, the sedimentation zone and the filtration zone are connected in sequence, and each zone is separated by a partition. The water outlet is set at the bottom of the side of the end of the filtration zone; The equipment room is provided with an air supply system, which is mainly composed of a fan, a gas control valve and an air supply pipeline; a hydraulic agitator is provided in the anaerobic zone; A MABR membrane filler module is arranged in the anoxic zone, and the MABR membrane filler module is composed of a MABR membrane assembly, a curtain filler, a module bracket and a bottom perforated aeration pipe, and the bottom perforated aeration pipe is arranged at the bottom of the module bracket; A packing module and a nitrification liquid reflux pump are arranged in the aerobic zone, wherein the packing module is composed of a curtain-type packing, a module bracket, a bottom air supply pipe and a bottom aerator, and the nitrification liquid reflux pump transports the nitrification liquid to the front end of the anoxic zone through the nitrification liquid reflux pipeline; The sedimentation area is provided with an inclined plate sedimentation area and a sludge outlet, and the remaining sludge is discharged through the sludge outlet, a part of which flows back to the front end of the anaerobic area through the sludge pipeline, and the other part of the remaining sludge is discharged outside the tank body; The filter area is provided with filter fillers, and the filtered water is discharged from the pool body through the water outlet; the fan in the equipment room supplies air to the anoxic area and the aerobic area through the air supply pipeline, and separate gas control valves are respectively provided in the anoxic area and the aerobic area.

2. A MABR filler integrated sewage treatment device according to claim 1, characterized in that: The number of MABR membrane filler modules arranged in the anoxic zone is 3 or more.

3. A MABR filler integrated sewage treatment device according to claim 1, characterized in that: The ratio of the number of MABR membrane components to the curtain filler in the MABR membrane filler module is 2:

1.

4. A MABR filler integrated sewage treatment device according to claim 1, characterized in that: The packing modules are arranged in the front 2 / 3 of the aerobic zone, and the number of the packing modules is 2 groups or more.

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