WO2017088825A1

WO2017088825A1 - Integrated pre-denitrification sewage treatment apparatus

Info

Publication number: WO2017088825A1
Application number: PCT/CN2016/107295
Authority: WO
Inventors: 刘凡清
Original assignee: 上海凡清环境工程有限公司
Priority date: 2015-09-25
Filing date: 2016-11-25
Publication date: 2017-06-01
Also published as: CN106554131A

Abstract

An integrated pre-denitrification sewage treatment apparatus, adopting one of a first device and a second device, the first device mainly comprising: a protective filter (1000), a pre-denitrification organism filter pool (1001), a nitrification organism filter pool (1002), a disinfecting device (1004), a power distribution cabinet (1005), an automatic control cabinet (1006), a measuring instrument (1007), an aeration fan (1008), a cleaning fan (10081), a reflux pump (1009), and a container housing (10010); the second device mainly comprising: a protective filter (1000), a pre-denitrification organism filter pool (1001), a nitrification organism filter pool (1002), a filter pool (1003), a disinfecting device (1004), a phosphorus removal device, a power distribution cabinet (1005), an automatic control cabinet (1006), a measuring instrument (1007), an aeration fan (1008), a cleaning fan (10081), a reflux pump (1009), and a container housing (10010).

Description

Integrated front denitrification sewage treatment device

The present application claims priority on Chinese Patent Application No. CN201510843415.X filed on Nov. 27, 2015. This application cites the entire text of the above-mentioned Chinese patent application.

Technical field

The invention relates to an integrated pre-denitrification sewage treatment device.

Background technique

Biological treatment is the most commonly used sewage treatment process. It can economically decompose and remove various pollutants such as organic matter, nitrogen and phosphorus in the water through the action of microorganisms. When the biological treatment process is used to treat domestic sewage or urban sewage, the biological reaction time is about 10 hours, and the reactor (or reaction tank) is bulky. For the sewage, river or river that processes tens of tons to hundreds of tons of sewage per day. Disposal of pollution sources such as lake sewage outlets, resort sewage treatment, highway service areas, field construction site sewage treatment, ship sewage treatment, industrial and mining enterprise sewage treatment, and landfill leachate treatment are difficult to implement. The invention provides a compact sewage treatment integrated device.

Summary of the invention

It is an object of the present invention to provide an integrated pre-denitrified sewage treatment plant.

The first integrated pre-denitrification sewage treatment device for achieving the object of the present invention mainly comprises: a protection filter, a pre-denitrification biofilter, a nitrification biofilter, a disinfection device, a power distribution cabinet, and an automatic Control cabinet, instrumentation, aeration fan, cleaning fan, return pump, container-type housing.

Sewage treatment process:

Debris barrier → lift pump → protection filter → pre-denitrification biofilter → nitrification biofilter → disinfection device →.

A second integrated pre-denitrification sewage treatment device for achieving the object of the present invention, the device mainly comprises: a protection filter, a pre-denitrification biofilter, a nitrification biofilter, a filter tank, a disinfection device, and a phosphorus removal Dosing device, power distribution cabinet, automatic control cabinet, detection instrument, aeration fan, cleaning fan, return pump, container-type housing.

Sewage treatment process:

Anti-sludge barrier → lift pump → protection filter → pre-denitrification biofilter → nitrification biofilter → filter tank → disinfection device →.

The trash screen is a sheet-shaped fence or a sheet-like net, or is formed into a barrel shape or a square barrel shape by a sheet-like fence or net.

The lift pump is a submersible pump or a centrifugal pump, and the lift pump is disposed downstream of the trash screen or disposed in the barrel-shaped or square-shaped trash rack.

The protective filter is a metal mesh filter or a bag filter.

The disinfecting device is an ultraviolet sterilizer or a disinfectant dosing device, and the disinfectant dosing device includes a disinfectant drug tank, a disinfectant dosing pump, and the like.

The phosphorus removal dosing device mainly comprises a phosphorus removal medicine tank, a phosphorus removal medicine pump, and the like, wherein the phosphorus removal medicine tank is used for storing an aluminum salt or an iron salt coagulant and the like, and the phosphorus removal medicine pump is used for The phosphorus removal agent is delivered to the filter before or before the upstream device.

The power distribution cabinet supplies power to the device electrical equipment.

The automatic control cabinet controls all equipment and unit operations, communicates with the upper-level automatic control equipment or the remote control center, and transmits data to realize remote monitoring.

The detecting instrument is a flow meter, a liquid level meter, an online dissolved oxygen meter, an online ammonia meter, and the like.

The cleaning fan is a Roots blower or a centrifugal blower or a rotary blower or other blower, and provides cleaning air for the front denitrification biofilter, the nitrification biofilter, and the filter tank.

The aeration fan is a Roots blower or a centrifugal blower or a rotary blower or other blower, and provides aeration air for the nitrification biofilter.

The reflux pump is a submersible pump or a centrifugal pump or other water pump, and a part of the effluent of the nitrification biofilter is sent to the inlet of the pre-detonation biofilter.

The container-type outer casing is made of color steel plate, steel or wood, and is formed into a rectangular shape, or a shape of a landscape element such as a house or a building or a pavilion or a rockery or a bridge or a wooden house.

The cuboid-shaped container-type outer casing is covered with a shell of a landscape element such as a house or a building or a pavilion or a rockery or a bridge or a wooden house.

The outer surface of the rectangular container-shaped outer casing is provided with wood chips or bamboo chips or resin artificial wood chips or resin artificial bamboo pieces to be dressed as wooden houses and other landscape elements.

An inspection operation door, a window and a ventilation port are arranged on the container type outer casing.

The pre-denitrification biological filter mainly comprises a shell, a biological filter layer, a water distribution device, a water collecting device, a gas distribution device, a filtering inlet pipe, a filtering inlet valve, a cleaning inlet pipe, a cleaning intake valve, and a cleaning drainage. Pipe, cleaning drain valve, filtering water pipe, filtering water valve and so on.

The pre-denitrification biofilter is divided into an upward flow form and a downward flow form according to the direction in which the running water flows through the biological filter layer.

The casing is a square cylinder or a cylinder, and is made of carbon steel or a metal material such as stainless steel or aluminum alloy, or plastic. Or made of non-metallic materials such as FRP or concrete.

The biological filter layer is composed of ceramsite or volcanic rock or lightweight plastic particles or granular filter materials such as quartz sand or activated carbon, or consists of porous block filter materials such as polyurethane foam, or composed of short fiber bundles or long fibers. The filter material is composed of a fiber or a textile fiber filter material such as a rope or a cloth, and the surface of the filter material is inoculated with a anaerobic microorganism, a facultative microorganism, a denitrifying microorganism, an anaerobic ammonia oxidizing microorganism, and the like. Or a variety of microorganisms.

The two ends of the long fiber bundle filter material are respectively suspended on the upper filter plate and the lower filter plate by the upper connecting member and the lower connecting member to form a fiber bundle filter layer, or one end of the long fiber bundle filter material is suspended by a connecting member. The other end of the filter plate is free to stretch to form a fiber bundle filter layer.

The long fiber bundle filter material is wound into a ring shape by fiber filaments or bundled at both ends into a bundle.

The upper and lower connectors are rope or stainless steel wires or connecting rings.

The upper and lower filter plates are porous plates or grids made of metal or plastic or glass reinforced plastic.

The textile fiber filter material is a thread or rope or cloth woven from fibers.

The water distribution device is a porous tube made of a metal material such as carbon steel or stainless steel, or a non-metal material such as plastic.

The water collecting device is a porous pipe or a sump, and is made of a metal material such as carbon steel or stainless steel, or a non-metal material such as plastic.

The gas distribution device is a porous tube made of a metal material such as carbon steel or stainless steel, or a non-metal material such as plastic.

For the upward flow form, the biological filter layer is installed in the casing, the water distribution device and the gas distribution device are disposed below the biological filter layer, the water collecting device is disposed above the biological filter layer, and the filter inlet valve is installed at Filtering the inlet pipe, the filtering inlet pipe is connected with the water distribution device, the filtering water valve is installed on the filtering water pipe, the filtering water pipe is connected with the water collecting device, the cleaning inlet valve is installed on the cleaning air inlet pipe, and the air inlet pipe and the gas distribution device are cleaned. Connected, the cleaning drain valve is installed on the cleaning drain pipe, and the cleaning drain pipe is connected to the water collecting device.

For the downward flow form, the biological filter layer is installed in the casing, the water collecting device and the gas distribution device are disposed below the biological filter layer, the water distribution device is disposed above the biological filter layer, and the filtering inlet valve is installed at Filtering the inlet pipe, the filtering inlet pipe is connected with the water distribution device, the filtering water valve is installed on the filtering water pipe, the filtering water pipe is connected with the water collecting device, the cleaning inlet valve is installed on the cleaning air inlet pipe, and the air inlet pipe and the gas distribution device are cleaned. Connected, the cleaning drain valve is installed on the cleaning drain pipe, and the cleaning drain pipe is connected to the water collecting device.

The nitrification biofilter mainly comprises a shell, a biological filter layer, a water distribution device, a water collecting device, a gas distribution device, an aeration device, a filtering inlet pipe, a filtering inlet valve, a cleaning intake pipe, a cleaning intake valve, and a cleaning. Drainage pipe, cleaning drain valve, filter outlet pipe, filter outlet valve and so on.

The nitrifying biofilter is divided into an upward flow form and a downward flow form according to the direction in which the running water flows through the biological filter layer.

The casing is a square cylinder or a cylinder, and is made of a carbon steel or a metal material such as stainless steel or aluminum alloy, or a non-metal material such as plastic or fiberglass or concrete.

The biological filter layer is composed of ceramsite or volcanic rock or lightweight plastic particles or granular filter materials such as quartz sand or activated carbon, or consists of porous block filter materials such as polyurethane foam, or composed of short fiber bundles or long fibers. The filter material is composed of a fiber or a textile fiber filter material such as a rope or a cloth, and the surface of the filter material is inoculated with aerobic microorganisms, anaerobic microorganisms, anaerobic microorganisms, denitrifying microorganisms, and the like.

The aeration device is a porous tube or a microporous aeration tube or a microporous aeration disk. Made of metal such as stainless steel or made of non-metallic materials such as plastic or rubber or ceramic.

For the upward flow form, the biological filter layer is installed in the casing, and the water distribution device, the gas distribution device, and the aeration device are disposed under the biological filter layer, and the water collecting device is disposed above the biological filter layer, and is filtered into The water valve is installed on the filtering inlet pipe, the filtering inlet pipe is connected with the water distribution device, the filtering water valve is installed on the filtering water pipe, the filtering water pipe is connected with the water collecting device, the cleaning inlet valve is installed on the cleaning air inlet pipe, and the air inlet pipe is cleaned. Connected to the gas distribution device, the cleaning drain valve is installed on the cleaning drain pipe, the cleaning drain pipe is connected with the water collecting device, the aeration air inlet valve is installed on the aeration air inlet pipe, and the aeration air inlet pipe is connected with the aeration device.

For the downward flow form, the biological filter layer is installed in the casing, and the water collecting device, the gas distribution device, and the aeration device are disposed below the biological filter layer, and the water distribution device is disposed above the biological filter layer, and is filtered into The water valve is installed on the filtering inlet pipe, the filtering inlet pipe is connected with the water distribution device, the filtering water valve is installed on the filtering water pipe, and the water outlet pipe is filtered. The water collecting device is connected, the cleaning inlet valve is installed on the cleaning air inlet pipe, the cleaning air inlet pipe is connected with the gas distribution device, the cleaning drainage valve is installed on the cleaning drainage pipe, the cleaning drainage pipe is connected with the water collecting device, and the aeration air inlet valve is installed. On the aeration intake pipe, the aeration intake pipe is connected to the aeration device.

The filter tank mainly comprises a casing, a filter layer, a water distribution device, a water collecting device, a gas distribution device, a filtering inlet pipe, a filtering inlet valve, a cleaning inlet pipe, a cleaning inlet valve, a cleaning drainage pipe, a cleaning drainage valve, Filter out the water pipe, filter out the water valve and other components.

The filter tank is divided into an upward flow form and a downward flow form according to the direction of the running water flow filter layer.

The filter layer is composed of a granular filter material such as quartz sand or foamed plastic ball, or is composed of a short fiber bundle or a long fiber bundle filter.

For the upward flow form, the filter layer is installed in the casing, the water distribution device and the gas distribution device are disposed below the filter layer, the water collecting device is disposed above the filter layer, and the filter inlet valve is installed in the filter inlet pipe. The filtering inlet pipe is connected with the water distribution device, the filtering water valve is installed on the filtering water pipe, the filtering water pipe is connected with the water collecting device, the cleaning inlet valve is installed on the cleaning air inlet pipe, the cleaning air inlet pipe is connected with the gas distribution device, and the cleaning is performed. The drain valve is installed on the washing drain pipe, and the washing drain pipe is connected to the water collecting device.

For the downward flow form, the filter layer is installed in the casing, the water collecting device and the gas distribution device are disposed below the filter layer, the water distribution device is disposed above the filter layer, and the filter inlet valve is installed in the filter inlet pipe. The filtering inlet pipe is connected to the water distribution device, the filtering water valve is installed on the filtering water pipe, and the filtering water pipe is connected with the water collecting device, and is cleaned. The gas valve is installed on the cleaning intake pipe, the cleaning intake pipe is connected with the gas distribution device, the cleaning drainage valve is installed on the cleaning drainage pipe, and the cleaning drainage pipe is connected with the water collecting device.

For the first integrated pre-denitrification sewage treatment device, the protection filter, the pre-denitrification biofilter, the nitrification biofilter, the disinfection device, the power distribution cabinet, the automatic control cabinet, the detection instrument, the aeration fan The cleaning fan, the return pump and other equipment are assembled in the container type casing, and the inlet pipe of the protection filter is connected with the total inlet pipe of the integrated front denitrification sewage treatment device, and the outlet pipe and the pre-denitrifying organism of the filter are protected. The filter inlet pipe of the filter tank is connected, and the filter outlet pipe of the front denitrification biofilter is connected with the filter inlet pipe of the nitrification biofilter, and the filter outlet pipe of the nitrification biofilter is connected with the inlet pipe of the reflux pump, and reflux The outlet pipe of the pump is connected with the filtering inlet pipe of the pre-denitrification biological filter, and the outlet pipe of the aeration fan is connected with the aeration inlet pipe of the nitrification biofilter, and the outlet pipe of the cleaning fan and the pre-denitrification biological filter The cleaning inlet pipe of the pool is connected with the cleaning inlet pipe of the nitrifying biological filter. When the disinfecting device is a UV sterilizer, the filtering outlet pipe and the disinfecting device of the nitrifying biological filter are installed. The inlet pipes are connected, and the outlet pipe of the disinfection device is connected with the total outlet pipe of the integrated front denitrification sewage treatment device. When the disinfection device is a disinfectant dosing device, the filtered outlet pipe of the nitrification biofilter and the integration The total outlet pipe of the pre-denitrification sewage treatment device is connected, and the disinfectant is added from the disinfectant drug tank through the disinfection dosing tube and the disinfectant dosing pump to the total outlet pipe of the integrated pre-denitrified sewage treatment device, and the protection and filtration The cleaning drain of the pre-denitration biofilter, the nitrification biofilter, and the disinfection device is discharged into the cleaning drain main pipe and discharged from the container casing.

For the second integrated pre-denitrification sewage treatment device, the protection filter, the pre-denitrification biofilter, the nitrification biofilter, the filter tank, the disinfection device, the phosphorus removal dosing device, the power distribution cabinet, and the automatic The control cabinet, test instrument, aeration fan, cleaning fan, return pump and other equipment are assembled in the container type casing, and the inlet pipe of the protection filter is connected with the total inlet pipe of the integrated front denitrification sewage treatment device, and the filter is protected. The outlet pipe is connected with the filtering inlet pipe of the pre-denitrifying biofilter, and the filtering outlet pipe of the pre-denitrifying biofilter is connected with the filtering inlet pipe of the nitrifying biofilter, and the filtering outlet pipe of the nitrifying biofilter is The inlet pipe of the reflux pump is connected with the filtering inlet pipe of the filter tank, and the outlet pipe of the reflux pump is connected with the filtering inlet pipe of the pre-denitrification biofilter, and the aeration pipe of the aeration fan and the aeration of the nitrification biofilter The trachea is connected, and the outlet pipe of the cleaning fan is connected with the cleaning intake pipe of the pre-denitrification biological filter, the cleaning intake pipe of the nitrification biological filter, and the cleaning intake pipe of the filtration tank. When the disinfecting device is an ultraviolet sterilizer, the filtering outlet pipe of the filtering tank is connected with the inlet pipe of the sterilizing device, and the outlet pipe of the sterilizing device is connected with the total outlet pipe of the integrated front denitrification sewage treatment device, when the sterilizing device is sterilized In the dosing device, the filtering outlet pipe of the filter tank is connected with the total outlet pipe of the integrated pre-denitration sewage treatment device, and the disinfectant is added from the disinfectant drug container through the disinfection dosing tube and the disinfectant dosing pump. The total outlet pipe of the pre-denitization sewage treatment device, the phosphorus removal agent of the phosphorus removal dosing device is fed from the dephosphorization reagent tank to the filter water inlet pipe or upstream through the phosphorus removal dosing pipe and the dephosphorization dosing pump Equipment import, protection filter, pre-denitrification biofilter, nitrification biofilter, filtration The cleaning drain of the pool and disinfection device is discharged into the cleaning drain main pipe and discharged from the container casing.

A sludge disposal device is disposed in the container-type outer casing, and the sludge disposal device mainly comprises: a sludge concentration tank, a sludge dosing tank, a sludge dosing pump, a sludge dewatering machine, and the like.

Deodorizing measures are taken in the container-type outer casing, including inoculating deodorizing microorganisms in the biological filter layer of the pre-denitrifying biofilter and the nitrifying biofilter, or setting the air inlet of the aeration fan in the container casing The gas in the suction container type casing is sent to the biological filter layer to biochemically decompose the odor through the aeration device of the nitrification biofilter, or other deodorizing device is provided.

A solar panel power generation device is mounted on the container-type outer casing.

The nitrifying biofilter is also an aerated biofilter.

The power distribution cabinet or automatic control cabinet or protective filter can also be installed outside the container.

All the equipment in the integrated pre-denitrification sewage treatment device is arranged in a compact or stacked arrangement.

The equipment in the integrated pre-denitrification sewage treatment device that needs to be repaired is disposed at the opening or opening of the container casing.

The biological filter layer of the pre-denitrification biofilter or the nitrification biofilter may also be replaced by a biological filler such as a fibrous bio-filler, an elastic bio-filler or a plastic bio-filler to form a biological contact oxidation tank.

The pre-denitrification biofilter or the nitrification biofilter or the filter tank may be a gravity type with an open upper portion, or a gravity type with an upper closed closed breathing tube or a fully closed pressure type.

The integrated pre-denitrification sewage treatment device may adopt a MSBR process, an SBR process, which is not commonly used in a sewage treatment plant, or a filler, in addition to the biological filter process or the biological contact oxidation process described above. Various wastewater microbial treatment processes such as UNITANK process, MBR process (ie membrane bioreactor), AB process, A/O process, A/A/O process, oxidation ditch process, etc., can also be combined with sedimentation tanks, primary sedimentation tanks, Grease trap, granular sludge reaction tank, anaerobic tank, hydrolysis acidification tank, coagulation sedimentation tank, chemical sedimentation tank, air flotation tank, magnetic separation equipment (add magnetic powder or magnetic turntable), activated carbon adsorption tank, advanced oxidation tank, iron A carbon microelectrolysis cell or the like is formed into a combined process.

The first integrated pre-denitrification sewage treatment device of the invention can be used for rural sewage treatment, river or lake sewage outlet sewage treatment, resort sewage treatment, highway service area, field construction site sewage treatment, ship sewage Treatment, sewage treatment of industrial and mining enterprises, landfill leachate treatment, reducing chemical oxygen demand (COD), biochemical oxygen demand (BOD), ammonia nitrogen, total nitrogen, total phosphorus, suspended solids, total bacteria and other indicators in water, the water reaches the town Sewage discharge standard GB18918-2002" Level B standard. The second integrated pre-denitrification sewage treatment device of the invention can be used for rural sewage treatment, sewage treatment of river or lake sewage outlets, resort sewage treatment, highway service area, field construction site sewage treatment, ship sewage Treatment, industrial and mining enterprise sewage treatment, landfill leachate treatment, reducing chemical oxygen demand (COD), biochemical oxygen demand (BOD), ammonia nitrogen, total nitrogen, total phosphorus, suspended solids, total bacteria and other indicators, The effluent reaches the Class A standard of the Urban Sewage Discharge Standard GB18918-2002, or the Class IV standard for surface water in the Surface Water Environmental Quality Standard (GB3838-2002).

The invention provides a compact sewage treatment integrated device. The device has the advantages of high biodegradation efficiency, good effluent quality, energy saving, land occupation, easy movement and simple management. It can be widely used in the treatment of various scattered pollution sources, used for emergency treatment of environmental pollution, and used for water quality recovery of polluted water bodies.

DRAWINGS

Figure 1 is a schematic diagram of a pre-denitrification biofilter.

Figure 2 is a schematic diagram of a nitrifying biofilter.

Figure 3 is a schematic diagram of a filter tank.

Figure 4 is a schematic view of a granular filter layer.

Figure 5 is a schematic view of a porous block filter layer.

Figure 6 is a schematic view of a short fiber bundle filter layer.

Figure 7 is a schematic view of a long fiber bundle filter assembly.

Figure 8 is a schematic view of the first integrated sewage treatment plant.

Figure 9 is a schematic view of a second integrated sewage treatment plant.

detailed description

Referring to FIG. 1 , FIG. 4 , FIG. 5 , FIG. 6 and FIG. 7 , an integrated pre-denitrification sewage treatment device for realizing the object of the present invention, the pre-denitrification biological filter 1001 mainly comprises a shell 1 and a filter layer. 2. Water distribution device 5, water collecting device 3, gas distribution device 4, filtration inlet pipe 7, filtration inlet valve 71, cleaning intake pipe 8, cleaning intake valve 81, cleaning drain pipe 9, cleaning drain valve 91, filtering out The water pipe 6, the filtered water outlet valve 61 and the like are composed.

The above flow form is illustrated as follows:

The casing 1 is a square cylinder or a cylinder, and is made of a carbon steel or a metal material such as stainless steel or aluminum alloy, or a non-metal material such as plastic or fiberglass or concrete.

The biofilter layer 2 is composed of ceramsite or volcanic rock or lightweight plastic particles or granular filter material 211 such as quartz sand or activated carbon, or a porous block filter material 212 such as polyurethane foam, or a short fiber bundle 213. Or the long fiber bundle filter material 21 is formed, and the surface of the filter material is inoculated with various microorganisms such as anaerobic microorganisms, anaerobic microorganisms, denitrifying microorganisms, and anaerobic ammonium oxidizing microorganisms.

Both ends of the long fiber bundle filter material 21 are suspended from the upper filter plate 19 and the lower filter plate 20 by the upper connecting member 22 and the lower connecting member 23, respectively, to form a fiber bundle filter layer.

The long fiber bundle filter material 21 is made of a fiber filament wound in a ring shape or bundled at both ends in a bundle shape.

The upper connector 22 and the lower connector 23 are ropes or stainless steel wires or connecting rings.

The upper filter plate 19 and the lower filter plate 20 are porous plates or grids made of metal or plastic or glass reinforced plastic.

The water distribution device 5 is a porous tube made of a metal material such as carbon steel or stainless steel, or a non-metal material such as plastic.

The water collecting device 3 is a sump, made of a metal material such as carbon steel or stainless steel, or made of a non-metal material such as plastic.

The gas distribution device 4 is a porous tube made of a metal material such as carbon steel or stainless steel, or a non-metal material such as plastic.

The biological filter layer 2 is installed in the casing 1, the water distribution device 5, the gas distribution device 4 is disposed below the biological filter layer 2, and the water collecting device 3 is disposed above the biological filter layer 2, and the water inlet valve is filtered. 71 is installed on the filtering inlet pipe 7, the filtering inlet pipe 7 is connected to the water distribution device 5, the filtering water outlet valve 61 is installed on the filtering water outlet pipe 6, the filtering water outlet pipe 6 is connected to the water collecting device 3, and the cleaning inlet valve 81 is installed in the cleaning. On the intake pipe 8, the purge intake pipe 8 is connected to the gas distribution device 4, the purge drain valve 91 is mounted on the wash drain pipe 9, and the wash drain pipe 9 is connected to the water collecting device 3.

working principle:

The cultured microbial membrane is first inoculated on the biofilter layer 2.

When filtering, the filtering inlet valve 71 is opened, and the filtered influent water enters the lower part of the casing 1 through the filtering inlet pipe 7 and the water distribution device 5, and then enters the biological filter layer 2 from bottom to top for biological filtration, and the filtered water is filtered from the biological filter. The upper portion of the material layer 2 flows out, and flows out through the water collecting device 3, the filtered water outlet pipe 6, and the filtered water outlet valve 61. Denitrification occurs in the biofilter layer 2 to convert the nitrate to nitrogen.

During cleaning, the upper flow cleaning is adopted: the cleaning drain valve 91 is opened, and the cleaning inlet valve 81 is opened, and the cleaning air enters the lower part of the casing 1 through the cleaning intake pipe 8, the cleaning intake valve 81, and the gas distribution device 4, from bottom to top. Air scrubbing through the biofilter layer 2, and then escape from the upper portion of the biofilter layer 2, the washing water passes through the filter inlet pipe 7, the filter inlet valve 71, the water distribution device 5 into the lower portion of the casing 1, and then passes through the biofilter from bottom to top. The material layer 2 is cleaned, and the cleaned water is discharged through the water collecting device 3, the washing drain pipe 9, and the washing drain valve 91. The dirt trapped in the biofilter layer 2 and the metabolically aged microbial membrane are also discharged with water.

Referring to FIG. 2, FIG. 4, FIG. 5, FIG. 6, and FIG. 7, an integrated pre-denitrification sewage treatment device for achieving the object of the present invention, the nitrification biofilter 1002 is mainly composed of a casing 113, a filter layer 222, and water distribution. The device 55, the water collecting device 33, the gas distribution device 44, the aeration device 41, the filtration inlet pipe 77, the filtration inlet valve 771, the cleaning intake pipe 88, the cleaning intake valve 881, the cleaning drain pipe 99, the washing drain valve 991, The water outlet pipe 66, the filtered water outlet valve 661, the aeration air intake pipe 411, the aeration air intake valve 412, and the like are formed.

The above flow form is illustrated as follows:

The casing 113 is a square cylinder or a cylindrical shape, and is made of a carbon steel or a metal material such as stainless steel or aluminum alloy, or a non-metal material such as plastic or glass reinforced plastic or concrete.

The biological filter layer 222 is composed of ceramsite or volcanic rock or lightweight plastic particles or granular filter material 211 such as quartz sand or activated carbon, or consists of a porous block filter 212 such as polyurethane foam, or a short fiber bundle 213. Or the long fiber bundle filter material 21 is formed, and the surface of the filter material is inoculated with aerobic microorganisms, nitrifying microorganisms, facultative microorganisms, anaerobic microorganisms, denitrifying microorganisms, and the like.

The water distribution device 55 is a porous tube made of a metal material such as carbon steel or stainless steel, or a non-metal material such as plastic.

The water collecting device 33 is a water collecting tank made of a metal material such as carbon steel or stainless steel, or a non-metal material such as plastic.

The gas distribution device 44 is a porous tube made of a metal material such as carbon steel or stainless steel, or a non-metal material such as plastic.

The aeration device 41 is a porous tube or a microporous aeration tube or a microporous aeration disk or the like. Made of metal such as stainless steel or made of non-metallic materials such as plastic or rubber or ceramic.

The biological filter layer 222 is installed in the casing 113, the water distribution device 55, the gas distribution device 44 is disposed below the biological filter layer 222, and the water collecting device 33 is disposed above the biological filter layer 222, and the water inlet valve is filtered. The 771 is installed on the filter inlet pipe 77, the filter inlet pipe 77 is connected to the water distribution device 55, the filter outlet valve 661 is installed on the filter outlet pipe 66, the filter outlet pipe 66 is connected to the water collecting device 33, and the purge inlet valve 881 is installed for cleaning. On the intake pipe 88, the purge intake pipe 88 is connected to the gas distribution device 44, the purge drain valve 991 is mounted on the wash drain pipe 99, the wash drain pipe 99 is connected to the water collecting device 33, and the aeration intake valve 412 is installed in the aeration inlet. On the gas pipe 411, the aeration intake pipe 411 is connected to the aeration device 41.

working principle:

The cultured microbial membrane is first inoculated on the biofilter layer 2.

When filtering, the aeration intake valve 412 is opened, the air enters the lower part of the casing 113 through the aeration intake pipe 411 and the aeration device 41, and then enters the biological filter layer 222 from bottom to top to supply oxygen to the biological filter layer, and the filtration is turned on. Inlet valve 771, The filtered influent water enters the lower part of the casing 113 through the filtering inlet pipe 77 and the water distribution device 55, and then enters the biological filter layer 222 from bottom to top for biological filtration, and the filtered water flows out from the upper portion of the biological filter layer 222 through the water collecting. The device 33, the filtered water outlet pipe 66, and the filtered water outlet valve 661 flow out. In the biological filter layer 222, organic matter in the water is oxidized and decomposed into carbon dioxide, ammonia is converted into nitrate (nitration), and part of the nitrate is converted into nitrogen (denitrification) and other biochemical reactions.

During cleaning, the upstream cleaning is performed: the cleaning drain valve 991 is opened, and the cleaning inlet valve 881 is opened, and the cleaning air enters the lower portion of the casing 113 through the cleaning intake pipe 88, the cleaning intake valve 881, and the gas distribution device 44, from bottom to top. The air scrubbing is performed by the biofilter layer 222, and then escapes from the upper portion of the biofilter layer 222. The washing water passes through the filtering inlet pipe 77, the filtering inlet valve 771, the water distribution device 55, enters the lower portion of the casing 113, and then passes through the biofilter from bottom to top. The material layer 222 is cleaned, and the cleaned water is discharged through the water collecting device 33, the washing drain pipe 99, and the washing drain valve 991. The dirt trapped in the biofilter layer 222 and the metabolically aged microbial membrane are also discharged with water.

Referring to FIG. 3, FIG. 4, FIG. 5, FIG. 6, and FIG. 7, an integrated pre-denitrification sewage treatment device for achieving the object of the present invention, the filter tank 1003 is mainly composed of a casing 112, a filter layer 2222, and a water distribution device 555. , water collecting device 333, gas distribution device 444, filter inlet pipe 777, filter inlet valve 7771, cleaning intake pipe 888, cleaning intake valve 8881, cleaning drain pipe 999, washing drain valve 9991, filtering outlet pipe 666, filtering out water The valve is composed of 6661 and the like.

The following flow-through form is illustrated as follows:

The casing 112 is a square cylinder or a cylindrical shape, and is made of a carbon steel or a metal material such as stainless steel or aluminum alloy, or a non-metal material such as plastic or fiberglass or concrete.

The biological filter layer 2222 is composed of ceramsite or volcanic rock or lightweight plastic particles or granular filter material 211 such as quartz sand or activated carbon, or consists of a porous block filter 212 such as polyurethane foam, or a short fiber bundle 213. Or the long fiber bundle filter material 21 is formed, and the surface of the filter material is inoculated with anaerobic microorganisms, facultative microorganisms, denitrifying microorganisms, anaerobic ammonia oxidizing microorganisms and the like.

The water distribution device 555 is a water distribution tank made of a metal material such as carbon steel or stainless steel, or a non-metal material such as plastic.

The water collecting device 333 is a porous tube made of a metal material such as carbon steel or stainless steel, or a non-metal material such as plastic.

The gas distribution device 444 is a porous tube made of a metal material such as carbon steel or stainless steel, or a non-metal such as plastic. Made of materials.

The filter layer 2222 is installed in the casing 112, the water collecting device 333, the gas distribution device 444 is disposed below the filter layer 2222, the water distribution device 555 is disposed above the filter layer 2222, and the filter inlet valve 7771 is installed at The water inlet pipe 777 is filtered, and the water inlet pipe 777 is connected to the water distribution device 555. The filtered water pipe 6661 is installed on the filtering water pipe 666. The filtering water pipe 666 is connected to the water collecting device 333, and the cleaning air inlet valve 8111 is installed in the cleaning air inlet pipe 888. The cleaning intake pipe 888 is connected to the gas distribution device 444, the cleaning drainage valve 9991 is installed on the cleaning drainage pipe 999, and the cleaning drainage pipe 999 is connected to the water distribution device 555.

working principle:

When filtering, the filtering inlet valve 7771 is opened, and the filtered influent water enters the upper part of the casing 112 through the filtering inlet pipe 777 and the water distribution device 555, and then enters the filter layer 2222 from top to bottom for filtration, and the filtered water is filtered from the filter layer 2222. The lower portion flows out through the water collecting device 333, the filtered water outlet pipe 666, and the filtered water outlet valve 6661. Suspensions such as microbial membrane fragments in the water are retained by the filter layer 2222.

During cleaning, the upstream cleaning is performed: the cleaning drain valve 9991 is opened, and the cleaning inlet valve 8111 is opened. The cleaning air enters the lower portion of the casing 112 through the cleaning intake pipe 888, the cleaning intake valve 8111, and the air distribution device 444, from bottom to top. The air scrubbing is performed through the filter layer 2222, and then escapes from the upper portion of the filter layer 2222. The washing water passes through the washing inlet pipe 7777, the washing inlet valve 77071, the water collecting device 333, enters the lower portion of the casing 112, and then passes through the filter from bottom to top. The material layer 2222 is cleaned, and the cleaned water is discharged through the water distribution device 555, the cleaning drain pipe 999, and the washing drain valve 9991. The suspended solids trapped within the filter layer 2222 are also discharged with the water.

Referring to FIG. 8, FIG. 1 and FIG. 2, a first integrated pre-denitrification sewage treatment device for achieving the object of the present invention mainly comprises: a protection filter 1000, a pre-denitrification biofilter 1001, nitrification. The biological filter 1002, the disinfection device 1004, the power distribution cabinet 1005, the automatic control cabinet 1006, the detection instrument 1007, the aeration fan 1008, the cleaning fan 10081, the return pump 1009, and the container-type housing 10010.

Process flow:

The trash rack 1011 is formed into a barrel shape or a square barrel shape by a sheet fence or a net.

The lift pump 1012 is a submersible pump, and the lift pump 1012 is disposed in a barrel-shaped or square-shaped trash rack 1011.

The protective filter 1000 is a metal mesh filter or a bag filter for removing solids such as sand, hair, paper, plastic chips, leaves, and the like.

The sterilization device 1004 is an ultraviolet sterilizer.

The power distribution cabinet 1005 is powered by an electrical device.

The automatic control cabinet 1006 controls the operation of all devices, communicates with the upper-level automatic control device or the remote control center, transmits data, and realizes remote monitoring.

The detecting instrument 1007 is a flow meter, a liquid level meter, an online dissolved oxygen meter, an online ammonia meter, and the like.

The cleaning fan 10081 provides cleaning air for the pre-denitrification biofilter 1001, the nitrification biofilter 1002, and the filter pool 1003. The aeration fan 1008 provides aeration air for the nitrification biofilter 1002.

The reflux pump 1009 delivers a portion of the effluent from the nitrifying biofilter 1002 through the return conduit 161 to the inlet of the pre-dumping biofilter 1001.

The protection filter 1000, the pre-denitrification biofilter 1001, the nitrification biofilter 1002, the disinfection device 1004, the aeration fan 1008, the cleaning fan 10081, and the reflux pump 1009 are connected by a pipe and a valve.

The container-type outer casing 10010 is made of steel, and the protection filter 1000, the front denitrifying biofilter 1001, the nitrifying biofilter 1002, the disinfecting device 1004, the power distribution cabinet 1005, the automatic control cabinet 1006, the detecting instrument 1007, and the exposure Equipment such as the air blower 1008, the cleaning fan 10081, and the return pump 1009 are assembled in the container-type casing 10010.

The container-type outer casing 10010 is formed in a rectangular shape.

The outer surface of the container-type outer casing 10010 is mounted with resin simulation wood chips to form a wooden house shape.

A solar panel power generation device is mounted on the container-type outer casing 10010.

The inlet pipe 02 of the protection filter 1000 is connected to the total inlet pipe 01 of the integrated pre-denitration sewage treatment device (the total inlet pipe 01 is connected to the lift pump 1012), and the outlet pipe 03 of the filter 1000 is protected. The filtering inlet pipe 7 of the denitrifying biofilter 1001 is connected, and the filtering outlet pipe 6 of the pre-denitrifying biofilter 1001 is connected to the filtering inlet pipe 77 of the nitrifying biofilter 1002, and the filtering of the nitrifying biofilter 1002 is performed. The water pipe 66 is connected to the inlet pipe 04 of the reflux pump 1009, and the outlet pipe 05 of the reflux pump 1009 is connected to the filtering inlet pipe 7 of the pre-denitrifying biofilter 1001, and the outlet pipe 06 of the aeration fan 1008 and the nitrifying biofilter The aeration intake pipe 411 of the 1002 is connected, and the outlet pipe 07 of the cleaning fan 10081 is connected with the cleaning intake pipe 8 of the pre-denitrification biofilter 1001 and the cleaning intake pipe 88 of the nitrification biofilter, and the nitrification biofilter 1002 The filtered water outlet pipe 66 is connected to the water inlet pipe 08 of the sterilizing device 1004, and the water outlet pipe 09 of the sterilizing device 1004 is connected to the total outlet pipe 010 of the integrated pre-denitrated sewage treatment device. The cleaning drains of the protective filter 1000, the pre-denitrifying biofilter 1001, the nitrifying biofilter 1002, and the sterilizing device 1004 are discharged into the washing and draining manifold 020 and finally discharged from the container-type outer casing 10010.

working principle:

When the first integrated pre-denitrification sewage treatment device for achieving the object of the present invention treats sewage, the sewage is sent to the integrated pre-denitification sewage treatment device through the sewage barrier 1011, the lift pump 1012, and the total inlet pipe 7777. Internally, through the protection filter 1000, the pre-denitrification biofilter 1001, the nitrification biofilter 1002, the disinfection device After the purification treatment, the effluent water flows out through the total outlet pipe 662.

The reflux pump 1009 delivers a portion of the effluent (including nitrate) of the nitrification biofilter 1002 to the inlet of the pre-denitrification biofilter 1001 through the return line 161.

In the pre-denitrification biofilter 1001: the nitrate in the reflux water is mixed with the organic carbon source in the effluent of the protective filter 1000 to carry out a denitrification biological reaction to convert the nitrate into nitrogen to achieve the purpose of denitrification.

In the nitrification biofilter 1002: the aeration fan 1008 sends oxygen into the air, and the organic matter in the water is oxidized to carbon dioxide under the action of microorganisms, the ammonia in the water is oxidized to nitrate under the action of microorganisms, and some phosphate in the water is transferred to the microorganism. .

In the disinfection device 1004: germs and other microorganisms in the water are inactivated under the action of ultraviolet rays for disinfection purposes.

Referring to Figure 9, Figure 1, Figure 2, Figure 3, a second integrated pre-denitrification sewage treatment device for achieving the object of the present invention, the device mainly comprises: a protection filter 1000, a pre-denitrification biological filter 1001, nitrification biofilter 1002, filter tank 1003, disinfection device 1004, phosphorus removal dosing device, power distribution cabinet 1005, automatic control cabinet 1006, detection instrument 1007, aeration fan 1008, cleaning fan 10081, reflux pump 1009, container Housing 10010.

Process flow:

Anti-sludge barrier → lift pump → protection filter → pre-denitrification biofilter → nitrification biofilter → filter tank → disinfection device.

The protective filter 1000 is a metal mesh filter or a bag filter.

The disinfecting device 1004 is a disinfectant dosing device, and the disinfectant dosing device includes a disinfectant drug tank 10041, a disinfectant dosing pump 10042, and the like.

The phosphorus removal dosing device mainly comprises a phosphorus removal medicine tank 10045, a phosphorus removal medicine pump 10046, etc., and the phosphorus removal medicine tank 10045 is used for storing an aluminum salt or an iron salt coagulant and the like, and the phosphorus removal medicine pump 10046 is used to deliver the phosphorus removal agent before the filter tank 1003 or before the upstream equipment.

The power distribution cabinet 1005 is powered by an electrical device.

The protection filter 1000, the pre-denitrification biofilter 1001, the nitrification biofilter 1002, the filter pool 1003, the disinfection device 1004, the phosphorus removal dosing device, the aeration fan 1008, the cleaning fan 10081, and the reflux pump 1009 pass through the pipeline. Connected to the valve.

The container-type outer casing 10010 is made of steel, and the protection filter 1000, the pre-denitrification biofilter 1001, the nitrification biofilter 1002, the filter pool 1003, the disinfection device 1004, the phosphorus removal dosing device, the power distribution cabinet 1005, The automatic control cabinet 1006, the detecting instrument 1007, the aeration fan 1008, the cleaning fan 10081, the return pump 1009, and the like are assembled in the container-type casing 10010.

The container-type outer casing 10010 is formed in a rectangular shape.

The inlet pipe 02 of the protection filter 1000 is connected to the total inlet pipe 01 of the integrated pre-denitration sewage treatment device (the total inlet pipe 01 is connected to the lift pump 1012), and the outlet pipe 03 of the filter 1000 is protected. The filtering inlet pipe 7 of the denitrifying biofilter 1001 is connected, and the filtering outlet pipe 6 of the pre-denitrifying biofilter 1001 is connected to the filtering inlet pipe 77 of the nitrifying biofilter 1002, and the filtering of the nitrifying biofilter 1002 is performed. The water pipe 66 is connected to the inlet pipe 04 of the return pump 1009 and the filter inlet pipe 777 of the filter tank 1003, and the outlet pipe 05 of the reflux pump 1009 is connected to the filter inlet pipe 7 of the pre-denitrification biofilter 1001, and the aeration fan 1008 The outlet pipe 06 is connected to the aeration intake pipe 411 of the nitrification biofilter 1002, the outlet pipe 07 of the cleaning fan 10081 and the cleaning intake pipe 8 of the pre-denitrification biofilter 1001, and the cleaning intake pipe 88 of the nitrification biofilter 1002. The cleaning inlet pipe 888 of the filter tank 1003 is connected, and the filter outlet pipe 666 of the filter tank 1003 is connected with the total outlet pipe 010 of the integrated pre-denitration sewage treatment device, and the disinfectant is disinfected and added from the disinfectant drug tank 10041. tube 011, the disinfectant dosing pump 10042 is added to the total outlet pipe 010 of the integrated pre-denitrification sewage treatment device, and the phosphorus removal agent of the phosphorus removal dosing device is removed from the phosphorus removal chemical tank 10045 through the phosphorus removal and feeding tube 012. The phosphorus dosing pump 10046 is applied to the nitrification biofilter 1002 filter inlet pipe 77 to protect the filter 1000, the pre-denitrification biofilter 1001, the nitrification biofilter 1002, the filter pool 1003, and the cleaning drainage device of the disinfection device 1004. The cleaning drain manifold 020 is discharged from the container casing 10010.

working principle:

When the first integrated pre-denitrification sewage treatment device for achieving the object of the present invention treats sewage, the sewage is sent to the integrated pre-denitification sewage treatment device through the sewage barrier 1011, the lift pump 1012, and the total inlet pipe 7777. Internally, through the protective filter 1000, the pre-denitrification biofilter 1001, the nitrification biofilter 1002, the filter pool 1003. The sterilizing device 1004 purifies the water, and the effluent water flows out through the total outlet pipe 662 after the purification process.

In the nitrification biofilter 1002: the aeration fan 1008 sends oxygen into the air, and the organic matter in the water is oxidized to carbon dioxide under the action of microorganisms, and the ammonia in the water is oxidized to nitrate under the action of microorganisms.

In the filter tank 1003: the suspended solids in the water are intercepted and removed, and the microbial membrane fragments in the water are intercepted and removed, and the precipitate formed by the reaction of the phosphorus removal agent and the phosphate in the water is removed and removed, and the microorganisms are removed to remove some organic matter, ammonia, and nitric acid. Salt, phosphate.

In the disinfection device 1004: the disinfectant is added to the water, and the bacteria and other microorganisms in the water are inactivated for disinfection purposes.

While the invention has been described with respect to the preferred embodiments of the embodiments of the embodiments of the invention modify. Accordingly, the scope of the invention is defined by the appended claims.

Claims

An integrated pre-denitrification sewage treatment device, characterized in that the device is any one of the following device one and device two:

The device 1 mainly comprises: a protection filter, a pre-denitrification biofilter, a nitrification biofilter, a disinfection device, a power distribution cabinet, an automatic control cabinet, a detection instrument, an aeration fan, a cleaning fan, a reflux pump, and a container-type outer casing; Wherein, the process flow for treating sewage using the device is a fouling barrier→lifting pump→protective filter→pre-denitrification biofilter→nitrate biofilter→disinfecting device→;

The second device mainly includes: protection filter, pre-denitrification biofilter, nitrification biofilter, filter tank, disinfection device, phosphorus removal dosing device, power distribution cabinet, automatic control cabinet, detection instrument, aeration fan, cleaning Fan, reflux pump, container-type outer casing; wherein, the process of treating sewage using the device is a sewage barrier→lifting pump→protective filter→pre-denitrification biofilter→nitrate biofilter→disinfecting device→.
The integrated pre-denitrified sewage treatment device according to claim 1, wherein the protection filter is a metal mesh filter or a bag filter, and the disinfecting device is an ultraviolet disinfector or a disinfectant dosing. The disinfectant dosing device includes a disinfectant drug tank, a disinfectant dosing pump, and the like, and the phosphorus removal dosing device mainly includes a phosphorus removal chemical tank, a phosphorus removal dosing pump, and the like, and the phosphorus removal chemical tank is used. For storing an agent such as an aluminum salt or an iron salt coagulant, the dephosphorization dosing pump is used to supply the phosphorus removal agent to the filter tank before the upstream device or the upstream device, and the power distribution cabinet supplies power to the device electrical device, the automatic All equipment and unit operations of the control cabinet control device communicate with the upper-level automatic control equipment or the remote control center to transmit data for remote monitoring. The detection instrument is a flow meter, a liquid level meter, an online dissolved oxygen meter, In the online ammonia meter, the cleaning fan is a Roots blower or a centrifugal blower or a rotary blower or other blower, and provides cleaning air for the front denitrification biofilter, the nitrification biofilter, and the filter tank. The fan is a Roots blower or a centrifugal fan or a rotary fan or other fan, and provides aeration air for the nitrification biofilter. The return pump is a submersible pump or a centrifugal pump or other water pump, and a part of the nitration biofilter is delivered to the front water. a counter-nitrification ratio biological product inlet, the container-type outer casing is made of color steel plate, steel or wood, and is formed into a shape of a square shape, or a shape of a landscape element such as a house or a building or a pavilion or a rockery or a bridge or a wooden house. The front denitrification biological filter mainly comprises a shell, a biological filter layer, a water distribution device, a water collecting device, a gas distribution device, a filtering inlet pipe, a filtering inlet valve, a cleaning inlet pipe, a cleaning inlet valve, a cleaning drainage pipe, The utility model comprises the following steps: cleaning the drain valve, filtering the water outlet pipe, filtering the water outlet valve, etc., and the pre-denitrification biological filter pool is divided into an upward flow form and a downward flow form according to the direction in which the running water flows through the biological filter layer, and for the upward flow form, The biological filter layer is installed in the casing, the water distribution device and the gas distribution device are disposed under the biological filter layer, and the water collecting device is disposed above the biological filter layer, and the water inlet valve is filtered. Installed on the filter inlet pipe, the filter inlet pipe is connected to the water distribution device, the filter outlet valve is installed on the filter outlet pipe, the filter outlet pipe is connected with the water collecting device, and the intake valve is installed. On the cleaning intake pipe, the cleaning intake pipe is connected to the gas distribution device, the cleaning drainage valve is installed on the cleaning drainage pipe, and the cleaning drainage pipe is connected with the water collecting device. In the downward flow form, the biological filter material layer is installed in the casing. The water collecting device and the gas distribution device are disposed below the biological filter layer, the water distribution device is disposed above the biological filter layer, the filter inlet valve is installed on the filter inlet pipe, the filter inlet pipe is connected with the water distribution device, and the water outlet valve is filtered. Installed on the filtering outlet pipe, the filtering outlet pipe is connected with the water collecting device, the cleaning inlet valve is installed on the cleaning inlet pipe, the cleaning inlet pipe is connected with the gas distribution device, the cleaning drainage valve is installed on the cleaning drainage pipe, and the drainage pipe is cleaned and The water collecting device is connected by the shell, the biological filter layer, the water distribution device, the water collecting device, the gas distribution device, the aeration device, the filtering inlet pipe, the filtering inlet valve, the cleaning inlet pipe, and the cleaning. The air inlet valve, the cleaning drain pipe, the cleaning drain valve, the filtering water pipe, the filtering water outlet valve, and the like, the nitrifying biological filter tank flows according to the running water flowing through the biological filter layer In the form of an upward flow and a downward flow, for the upward flow form, the biological filter layer is installed in the casing, and the water distribution device, the gas distribution device, and the aeration device are disposed below the biological filter layer, and the water collecting device It is arranged above the biological filter layer, the filter inlet valve is installed on the filter inlet pipe, the filter inlet pipe is connected with the water distribution device, the filter outlet valve is installed on the filter outlet pipe, the filter outlet pipe is connected with the water collecting device, and the intake air is cleaned. The valve is installed on the cleaning intake pipe, the cleaning intake pipe is connected with the gas distribution device, the cleaning drainage valve is installed on the cleaning drainage pipe, the cleaning drainage pipe is connected with the water collecting device, and the aeration air inlet valve is installed on the aeration air inlet pipe, and the exposure is performed. The air intake pipe is connected to the aeration device. For the downward flow form, the biological filter layer is installed in the casing, and the water collecting device, the gas distribution device and the aeration device are disposed under the biological filter layer, and the water distribution device is disposed at Above the biological filter layer, the filter inlet valve is installed on the filter inlet pipe, the filter inlet pipe is connected to the water distribution device, the filter outlet valve is installed on the filter outlet pipe, and the outlet pipe and the water collection are filtered. Connected, the cleaning intake valve is installed on the cleaning intake pipe, the cleaning intake pipe is connected with the gas distribution device, the cleaning drainage valve is installed on the cleaning drainage pipe, the cleaning drainage pipe is connected with the water collecting device, and the aeration air inlet valve is installed in the exposure. On the air intake pipe, the aeration air intake pipe is connected to the aeration device, and the filter pool is mainly composed of a casing, a filter material layer, a water distribution device, a water collecting device, a gas distribution device, a filtering inlet pipe, a filtering inlet valve, and cleaning. The air pipe, the cleaning inlet valve, the cleaning drain pipe, the cleaning drain valve, the filtering water pipe, the filtering water outlet valve, and the like, the filter pool is divided into an upward flow form and a downward flow form according to the direction of the running water flow filter layer, In the form of flow, the filter layer is installed in the casing, the water distribution device and the gas distribution device are disposed below the filter layer, the water collecting device is disposed above the filter layer, and the filter inlet valve is installed on the filter inlet pipe. The filtering inlet pipe is connected with the water distribution device, the filtering water valve is installed on the filtering water pipe, the filtering water pipe is connected with the water collecting device, the cleaning inlet valve is installed on the cleaning air inlet pipe, and the air inlet pipe and the gas distribution device are cleaned. Connected, the cleaning drain valve is installed on the cleaning drain pipe, and the cleaning drain pipe is connected with the water collecting device. For the downward flow form, the filter material layer is installed in the casing, and the water collecting device and the gas distribution device are disposed in the filter material layer. Below, the water distribution device is arranged above the filter layer, the filter inlet valve is installed on the filter inlet pipe, the filter inlet pipe is connected with the water distribution device, the filter outlet valve is installed on the filter outlet pipe, and the filter outlet pipe is connected to the water collecting device The cleaning intake valve is installed on the cleaning intake pipe, the cleaning intake pipe is connected with the gas distribution device, the cleaning drainage valve is installed on the cleaning drainage pipe, and the drainage pipe is cleaned. Connected to the water collection device.
The integrated pre-denitrification sewage treatment device according to claim 2, wherein the rectangular-shaped container-type outer casing is covered with a house or a building or a pavilion or a rockery mountain or a bridge or a wooden house or the like, or The outer surface of the rectangular container-shaped outer casing is provided with wood chips or bamboo chips or resin artificial wood chips or resin artificial bamboo pieces to form a landscape element such as a wooden house, and the front denitrifying biological filter housing is a square cylinder or a cylindrical shape. Made of carbon steel or stainless steel or aluminum alloy, or made of non-metallic materials such as plastic or fiberglass or concrete. The biofilter layer is made of ceramsite or volcanic rock or light plastic granules or quartz sand or activated carbon. The filter material is composed of a porous block filter material such as polyurethane foam, or consists of a short fiber bundle or a long fiber bundle filter material, or a fiber or a textile fiber filter material such as a rope or a cloth. The surface of the filter material is inoculated with one or more microorganisms such as anaerobic microorganisms, anaerobic microorganisms, denitrifying microorganisms, and anaerobic ammonium oxidizing microorganisms, and the water distribution device is The porous tube is made of a metal material such as carbon steel or stainless steel, or is made of a non-metallic material such as plastic. The water collecting device is a porous tube or a sump, made of a metal material such as carbon steel or stainless steel, or plastic. The non-metallic material is made of a non-metallic material, and the casing of the nitrification biofilter is square or cylindrical, made of carbon steel or stainless steel or aluminum alloy, or made of non-metallic materials such as plastic or fiberglass or concrete. The biological filter layer is composed of ceramsite or volcanic rock or lightweight plastic particles or granular filter material such as quartz sand or activated carbon, or consists of a porous block filter material such as polyurethane foam, or a short fiber bundle, or The long fiber bundle filter material is composed of a fiber or a textile fiber filter material such as a rope or a cloth, and the surface of the filter material is inoculated with aerobic microorganisms, anaerobic microorganisms, anaerobic microorganisms, denitrifying microorganisms, etc. The water distribution device is a porous tube made of a metal material such as carbon steel or stainless steel, or made of a non-metallic material such as plastic. The water collecting device is a porous tube or a sump, and is made of a metal such as carbon steel or stainless steel. Made of or made of a non-metallic material such as plastic, the gas distribution device is a porous tube made of a metal material such as carbon steel or stainless steel, or made of a non-metallic material such as plastic, and the aeration device is porous. a tube or a microporous aeration tube or a microporous aeration disc, etc., made of a metal material such as stainless steel, or made of a non-metallic material such as plastic or rubber or ceramic, and the filter tank housing is a square cylinder or a cylinder Shape, made of carbon steel or stainless steel or aluminum alloy, or made of non-metallic materials such as plastic or fiberglass or concrete. The filter layer consists of granular filter materials such as quartz sand and foam balls, or The short fiber bundle is composed of a short fiber bundle or a long fiber bundle filter material. The water distribution device is a porous tube made of a metal material such as carbon steel or stainless steel, or made of a non-metal material such as plastic, and the water collecting device is porous. a tube or a sump, made of a metal material such as carbon steel or stainless steel, or made of a non-metallic material such as plastic. The gas distribution device is a porous tube made of a metal material such as carbon steel or stainless steel, or a plastic material. Made of non-metallic materials.
The integrated pre-denitration sewage treatment device according to claim 3, wherein both ends of the long fiber bundle filter material are suspended from the upper filter plate and the lower filter plate by upper and lower connecting members, respectively. One end of the fiber bundle filter layer or the long fiber bundle filter material is suspended by a connecting piece on one filter plate and the other end is freely stretched to form a fiber bundle filter. a material layer, the long fiber bundle filter material is wound into a ring shape by fiber filaments or bundled at both ends, and the upper connecting member and the lower connecting member are ropes or stainless steel wires or connecting rings, and the upper filter plate The lower filter plate is a perforated plate or grid made of metal or plastic or fiberglass.
The integrated pre-denitrification sewage treatment device according to claim 1, wherein in the device 1, the protection filter, the pre-denitrification biofilter, the nitrification biofilter, the disinfection device, and the power distribution cabinet The automatic control cabinet, the detection instrument, the aeration fan, the cleaning fan, the return pump and the like are assembled in the container type casing, and the inlet pipe of the protection filter is connected with the total inlet pipe of the integrated front denitrification sewage treatment device to protect The outlet pipe of the filter is connected with the filtering inlet pipe of the pre-denitrifying biological filter, and the filtering outlet pipe of the pre-denitrifying biological filter is connected with the filtering inlet pipe of the nitrifying biological filter, and the filtering of the nitrifying biological filter is performed. The water pipe is connected with the inlet pipe of the reflux pump, and the outlet pipe of the reflux pump is connected with the filtering inlet pipe of the front denitrification biological filter, and the outlet pipe of the aeration fan is connected with the aeration inlet pipe of the nitrification biological filter, and is cleaned. The outlet pipe of the fan is connected with the cleaning inlet pipe of the pre-denitrifying biological filter and the cleaning inlet pipe of the nitrifying biological filter. When the disinfecting device is a UV sterilizer, the nitrate The filtered outlet pipe of the biofilter is connected to the inlet pipe of the disinfection device, and the outlet pipe of the disinfection device is connected with the total outlet pipe of the integrated pre-denitrified sewage treatment device. When the disinfection device is a disinfectant dosing device, The filtered outlet pipe of the nitrification biofilter is connected with the total outlet pipe of the integrated pre-denitration sewage treatment device, and the disinfectant is added from the disinfectant drug tank through the disinfection dosing tube and the disinfectant dosing pump to the integrated pre-reverse The total outlet pipe of the nitrification sewage treatment plant.
The integrated pre-denitrified sewage treatment device according to claim 1, wherein in the second device, the protection filter, the pre-denitrification biofilter, the nitrification biofilter, the filter tank, the disinfection device, Phosphorus dosing device, power distribution cabinet, automatic control cabinet, detection instrument, aeration fan, cleaning fan, return pump and other equipment are assembled in the container type casing, the inlet pipe for protecting the filter and the integrated pre-denitification sewage treatment The total inlet pipe of the device is connected, the outlet pipe of the protection filter is connected with the filtering inlet pipe of the pre-denitrifying biological filter, and the filtering outlet pipe of the pre-denitrifying biofilter is filtered with the filtering inlet pipe of the nitrifying biological filter. The filter outlet pipe of the nitrification biofilter is connected with the inlet pipe of the reflux pump and the filter inlet pipe of the filter tank, and the outlet pipe of the reflux pump is connected with the filter inlet pipe of the pre-denitrification biofilter, and the aeration fan is connected. The gas outlet pipe is connected with the aeration air inlet pipe of the nitrification biological filter, and the air inlet pipe of the cleaning fan and the cleaning gas inlet of the pre-denitrifying biological filter pool and the cleaning air inlet of the nitrifying biological filter pool are used. The cleaning inlet pipe of the tube and the filter pool are connected. When the disinfection device is an ultraviolet sterilizer, the filter outlet pipe of the filter tank is connected with the inlet pipe of the disinfection device, the outlet pipe of the disinfection device and the integrated pre-denitification sewage treatment device The total outlet pipe is connected. When the disinfection device is a disinfectant dosing device, the filtered outlet pipe of the filter tank is connected with the total outlet pipe of the integrated pre-denitrified sewage treatment device, and the disinfectant is disinfected from the disinfectant reagent tank. The medicinal tube and the disinfectant dosing pump are added to the total outlet pipe of the integrated pre-denitration sewage treatment device, and the phosphorus removal agent of the phosphorus removal dosing device passes through the phosphorus removal medicinal tube, the phosphorus removal medicinal tube, and the phosphorus removal drug The pump is pumped to the filter inlet or to the upstream equipment inlet.
The integrated pre-denitrified sewage treatment apparatus according to at least one of claims 1 to 6, wherein a sludge disposal device is disposed in the container-type outer casing, and the sludge disposal device mainly comprises: sludge Concentration tank, sludge dosing tank, sludge dosing pump, sludge dewatering machine, etc.
The integrated pre-denitrified sewage treatment apparatus according to at least one of claims 1 to 7, wherein deodorizing measures are taken in the container-type outer casing, including pre-denitrification biofilter and nitrifying organism The biological filter layer of the filter is inoculated with deodorizing microorganisms, or the air inlet of the aeration fan is arranged in the container type casing, and the gas in the container type casing is sent into the biological filter layer by the aeration device of the nitrifying biological filter. Decompose the odor or set up other deodorizing devices.
The integrated pre-denitrification sewage treatment apparatus according to at least one of claims 1 to 8, wherein a solar panel power generation apparatus is mounted on the container-type outer casing.
The integrated pre-denitrification sewage treatment apparatus according to at least one of claims 1 to 9, characterized in that the container-type outer casing is provided with an inspection operation door, a window and a ventilation port.
The integrated pre-denitrified sewage treatment plant according to at least one of claims 1 to 10, characterized in that all the equipment in the integrated pre-denitrification sewage treatment device is arranged in a compact or stacked arrangement.
The integrated pre-denitrified sewage treatment apparatus according to at least one of claims 1 to 11, wherein the equipment to be repaired in the integrated pre-denitrification sewage treatment device is installed in a container-type casing to open the door. Or open the window.