CN211595285U - Air supporting effluent treatment plant - Google Patents

Air supporting effluent treatment plant Download PDF

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CN211595285U
CN211595285U CN201922454789.9U CN201922454789U CN211595285U CN 211595285 U CN211595285 U CN 211595285U CN 201922454789 U CN201922454789 U CN 201922454789U CN 211595285 U CN211595285 U CN 211595285U
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air
tank
reaction tank
pump
pipe
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CN201922454789.9U
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李泽红
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Suzhou Weizhi Water Treatment Equipment Co ltd
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Suzhou Weizhi Water Treatment Equipment Co ltd
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Abstract

The utility model discloses an air-flotation wastewater treatment device, which comprises a wastewater collection tank, an air-flotation reaction tank, an air-flotation bin, a clear water tank, a multi-medium filter, a dosing device, an air compressor, a pneumatic diaphragm pump and a plate-and-frame filter press; the air floatation reaction tank is connected with the wastewater collection tank, the air floatation bin is connected with the air floatation reaction tank, and the clear water tank is connected between the air floatation bin and the multi-media filter; the dosing device comprises a dosing barrel, a dosing pipe, a metering pump, an aeration pipeline and a tap water inlet pipeline, wherein the aeration pipeline and the metering pump are connected to the dosing barrel, and the dosing pipe and the tap water inlet pipeline are connected to the metering pump; the air compressor is respectively connected with the aeration pipeline and the pneumatic diaphragm pump through an air pipe. By adopting the mode, the utility model can balance the water inflow and the water consumption, the reaction time of the medicament is sufficient, and the stability of the water quality of the produced water for a long time can be achieved; the operation is stopped immediately when a fault occurs, and the self-protection function is realized; the service life of the motor is prolonged.

Description

Air supporting effluent treatment plant
Technical Field
The utility model relates to a waste water treatment field especially relates to an air supporting waste water treatment equipment.
Background
The air flotation is a short name of an air flotation machine and can also be used as a proper term, namely, the air flotation method in water treatment is a process of forming highly dispersed micro bubbles in water, adhering solid or liquid particles of hydrophobic groups in wastewater to form a water-gas-particle three-phase mixed system, forming flocs with apparent density smaller than that of the water after the particles adhere to the bubbles, floating to the water surface, forming a scum layer and scraping, thereby realizing solid-liquid or liquid-liquid separation.
There is not the instrument and meter that can accurately judge the reaction condition of reaction tank in the existing market, so when equipment moves, the concentration of stoste, the concentration of medicament to and the dose of adding the medicine pump all need stabilize in a scope for a long time, otherwise will lead to getting into the waste water of reaction tank and can't handle completely. The effluent quality can not reach the discharge/reuse standard, and under the condition, each set of wastewater treatment equipment has great requirements on experienced operators. Moreover, some customer equipments are not operated frequently, and some customer equipments may be operated for several months after the next operation, which may also cause waste water/sludge entering the pipeline to be solidified in the pipeline, thus easily causing the equipment to be paralyzed, which is a difficulty that cannot be solved at present.
Disclosure of Invention
The utility model mainly solves the technical problem of providing an air floatation wastewater treatment device, which can balance the water inflow and the water consumption, ensure the sufficient reaction time of the medicament and can achieve the stable water quality of the long-term produced water; the operation is stopped immediately when a fault occurs, and the self-protection function is realized; the service life of the motor is prolonged.
In order to solve the technical problem, the utility model discloses a technical scheme be: provided is an air floatation wastewater treatment apparatus, including: the system comprises a wastewater collection tank, an air flotation reaction tank, an air flotation bin, a clear water tank, a multi-medium filter, a dosing device, an air compressor, a pneumatic diaphragm pump and a plate-and-frame filter press; the air floatation reaction tank is connected with the wastewater collection tank, the air floatation bin is connected with the air floatation reaction tank, the clear water tank is connected between the air floatation bin and the multi-media filter, and the high-pressure pump is arranged between the clear water tank and the multi-media filter; the dosing device comprises a dosing barrel, a dosing pipe, a metering pump, an aeration pipeline and a tap water inlet pipeline, wherein the aeration pipeline and the metering pump are connected to the dosing barrel, and the dosing pipe and the tap water inlet pipeline are connected to the metering pump; the air floatation reaction tank is divided into a PH regulating tank, a PAC reaction tank and a PAM reaction tank, the number of the medicine feeding pipes is three, the three medicine feeding pipes are respectively connected with the PH regulating tank, the PAC reaction tank and the PAM reaction tank, the number of the aeration pipelines is two, and the two aeration pipelines are respectively connected with the PH regulating tank and the PAC reaction tank; one end of the pneumatic diaphragm pump is connected with the plate-and-frame filter press, and the other end of the pneumatic diaphragm pump is respectively connected with the PH regulating tank, the PAC reaction tank, the PAM reaction tank and the air flotation bin; the air compressor is respectively connected with the aeration pipeline and the pneumatic diaphragm pump through an air pipe, and an air pipe electromagnetic valve is arranged on the air pipe between the air compressor and the pneumatic diaphragm pump;
a submersible sewage pump and a wastewater water-shortage floating ball are arranged in the wastewater collecting tank; the PH adjusting tank is communicated with a position, close to the bottom, of the side wall of the PAC reaction tank, the PAC reaction tank is communicated with a position, close to the top, of the side wall of the PAM reaction tank, and the PAM reaction tank is communicated with a position, close to the bottom, of the side wall of the air floatation bin; the PH adjusting tank is connected with an air floatation water inlet pipe, one end of the air floatation water inlet pipe is connected with a submersible sewage pump in the wastewater collecting tank, and the other end of the air floatation water inlet pipe is inserted into the PH adjusting tank at a position close to the upper part of the PH adjusting tank; the air floating bin is connected with an air floating drain pipe, one end of the air floating drain pipe is inserted into the bottom of the air floating bin, and the other end of the air floating drain pipe is inserted into the clean water tank; the device comprises a PH adjusting tank, a PAC reaction tank, three chemical feeding pipes, a PAM reaction tank and a control system, wherein the number of the chemical feeding pipes connected with the air floatation reaction tank on the chemical feeding device is three, the first chemical feeding pipe is inserted into the PH adjusting tank at a position close to the upper part of the orifice of the air floatation water inlet pipe, the second chemical feeding pipe is inserted into the PAC reaction tank at a position close to the upper part of the communication part of the PH adjusting tank and the PAC reaction tank; the air flotation bin is internally provided with a guide plate, an air dissolving pump and an air dissolving tank, the air dissolving pump is communicated with the air dissolving tank, and the top of the air flotation bin is provided with a slag scraping plate.
Furthermore, a return pipe communicated with the waste water collecting tank is arranged at the rear end of the plate-and-frame filter press.
Furthermore, a clear water pump, a clear water shortage floating ball and a clear water full floating ball are arranged in the clear water tank, the dissolved air pump receives a clear water full floating ball signal, and the clear water pump receives a clear water shortage floating ball signal.
The utility model has the advantages that: the utility model can balance the water inflow and the water consumption, and the reaction time of the medicament is sufficient; the motor can stop running immediately when a fault occurs, has a self-protection function and prolongs the service life of the motor; the equipment after debugging can achieve the purpose of long-term stable water quality of produced water under the condition of normal operation of daily inspection equipment; PH on-line measuring instrument can prevent that too high low medicament that leads to of concentration from can't reacting when PH medicament adds the medicine, goes out the condition that water quality of water is not up to standard.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of an air floatation wastewater treatment apparatus of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1, an embodiment of the present invention includes:
an air flotation wastewater treatment plant comprising: the system comprises a wastewater collection tank 1, an air flotation reaction tank, an air flotation bin 5, a clear water tank 7, a multi-media filter 8, a dosing device 9, an air compressor 10, a pneumatic diaphragm pump 11 and a plate-and-frame filter press 12; the air floatation reaction tank is connected with the wastewater collection tank 1, the air floatation bin is connected with the air floatation reaction tank, and the clear water tank is connected between the air floatation bin and the multi-media filter; the dosing device comprises a dosing barrel, a dosing pipe, a metering pump, an aeration pipeline and a tap water inlet pipeline, wherein the aeration pipeline and the metering pump are connected to the dosing barrel, and the dosing pipe and the tap water inlet pipeline are connected to the metering pump; the air floatation reaction tank is divided into a PH adjusting tank 2, a PAC reaction tank 3 and a PAM reaction tank 4, the number of the medicine feeding pipes is three, the three medicine feeding pipes are respectively connected with the PH adjusting tank, the PAC reaction tank and the PAM reaction tank, the number of the aeration pipelines is two, and the two aeration pipelines are respectively connected with the PH adjusting tank and the PAC reaction tank; one end of the pneumatic diaphragm pump is connected with the plate-and-frame filter press, and the other end of the pneumatic diaphragm pump is respectively connected with the PH regulating tank, the PAC reaction tank, the PAM reaction tank and the air flotation bin; the air compressor is respectively connected with the aeration pipeline and the pneumatic diaphragm pump;
a submersible sewage pump and a wastewater water-shortage floating ball are arranged in the wastewater collecting tank; the PH adjusting tank is communicated with a position, close to the bottom, of the side wall of the PAC reaction tank, the PAC reaction tank is communicated with a position, close to the top, of the side wall of the PAM reaction tank, and the PAM reaction tank is communicated with a position, close to the bottom, of the side wall of the air floatation bin; the PH adjusting tank is connected with an air floatation water inlet pipe, one end of the air floatation water inlet pipe is connected with a submersible sewage pump in the wastewater collecting tank, and the other end of the air floatation water inlet pipe is inserted into the PH adjusting tank at a position close to the upper part of the PH adjusting tank; the air floating bin is connected with an air floating drain pipe, one end of the air floating drain pipe is inserted into the bottom of the air floating bin, and the other end of the air floating drain pipe is inserted into the clean water tank; the device comprises a PH adjusting tank, a PAC reaction tank, three chemical feeding pipes, a PAM reaction tank and a control system, wherein the number of the chemical feeding pipes connected with the air floatation reaction tank on the chemical feeding device is three, the first chemical feeding pipe is inserted into the PH adjusting tank at a position close to the upper part of the orifice of the air floatation water inlet pipe, the second chemical feeding pipe is inserted into the PAC reaction tank at a position close to the upper part of the communication part of the PH adjusting tank and the PAC reaction tank; a flow guide plate, a dissolved air pump and a dissolved air tank are arranged in the air flotation bin 5, the dissolved air pump is communicated with the dissolved air tank, and a slag scraping plate 6 is arranged at the top of the air flotation bin; the clear water tank is internally provided with a clear water pump, a clear water shortage floating ball and a clear water full floating ball, the dissolved air pump receives a clear water full floating ball signal, and the clear water pump receives a clear water shortage floating ball signal;
a high-pressure pump is arranged between the clean water tank 7 and the multi-media filter 8;
the air compressor 10 is connected with the pneumatic diaphragm pump 11 through an air pipe, and an air pipe electromagnetic valve is arranged on the air pipe; and a return pipe communicated with the waste water collecting tank is arranged at the rear end of the plate and frame filter press 12.
The air floatation wastewater treatment equipment comprises the following steps:
1. equipment water inlet: carry the waste water in the waste water collection pond to the air supporting reaction tank through stealthily dirty pump, the start-up of stealthily dirty pump of lack of water floater control gas in the waste water collection pond, the floater has the distance more than 20CM apart from underground bottom of the pool, can not stand immediately after guaranteeing stealthily dirty pump starts because the liquid level is not enough and stop work, will lead to stealthily dirty pump to start too frequently like this, reduce stealthily dirty pump's life, stealthily dirty pump carries waste water to the air supporting reaction tank, has a backflow pipeline on the inlet channel of air supporting reaction tank for control flow and balanced pressure.
2. Water feeding and dosing in the air flotation reaction tank: the sewage submersible pump conveys the wastewater in the wastewater collection tank to a first PH adjusting tank of the air floatation reaction tank, the wastewater enters from the top of the PH adjusting tank, meanwhile, a medicament is added from the vicinity of a water inlet to form upper water inlet, a first water outlet is arranged at the bottom of the tank, so that the process that the water in the first reaction tank enters a second reaction tank forms a diagonal line, and the reaction time of the medicament is prolonged to the maximum extent;
the second is said PAC reaction tank's water and is got into from the bottom of the pool, adds the position that the medicine pipeline is connected to about 20cm apart from water inlet top, makes the waste water that has just flowed over just begin to react with the medicament, forms and intakes down, can not cross lowly because of adding medicine pipeline position again, and bottom of the pool impurity formation is piled up and is stopped up and add the medicine mouth after equipment shuts down. The water outlet of the second reaction tank is arranged above the tank, so that the water in the second reaction tank enters the third reaction tank to form a diagonal line, and the reaction time of the medicament is prolonged to the maximum extent.
The water of third PAM reaction tank gets into from the top, adds the medicine pipeline and is connected to the water inlet position, makes the waste water that just flows over just begin to react with the medicament, forms into and goes into water. The water outlet of the third reaction tank is arranged at the bottom of the tank, so that a diagonal line is formed in the process that water in the third reaction tank enters the fourth reaction tank, and the reaction time of the medicament is prolonged to the maximum extent. Under the general condition, the reaction tank is stirred through an aeration pipeline, and after the PAM reaction tank is reached, because PAM medicament gathers reacted PAM particles, large-particle floccules are formed, the weight is increased, the precipitation is convenient, and at the moment, if gas stirring is used, the gathered large-particle floccules are scattered again, so that the precipitation time is overlong, the precipitated sludge is finer, and the sludge cannot be formed into a block when being squeezed by a filter press.
After the water of the third PAM reaction tank enters the air floatation bin, the water outlet is positioned at the bottom of the tank, and particles in the water are attached by bubbles generated by the air floatation machine and float to the water surface through the guide plate.
3. The operation of the air flotation bin: clear water at the bottom of the air floatation bin enters the dissolved air pump, the dissolved air pump enters water while introducing air, gas-liquid mixed liquid is conveyed into the dissolved air tank, the dissolved air tank is internally pressurized to enable the mixed liquid to become dissolved air liquid, the dissolved air liquid is released through the releaser and is provided with a large number of micro bubbles which are attached to suspended particles in a highly dispersed mode to cause a state with density less than that of water, the dissolved air liquid floats on the water surface by utilizing the buoyancy principle, thereby realizing the effect of solid-liquid separation, a large number of micro bubbles generated in the air floatation bin are attached to the periphery of particles to float the water surface, the particles are scraped to a sludge concentration tank through a slag scraping plate, the clear water overflows to the clear water tank through a pipeline at the bottom of the tank, a full water floating ball and a lack water floating ball are arranged in the clear water tank, the full water control equipment main body is started, the equipment is stopped after the full, The filter press and the delivery pump do not influence the use, and the water-deficient floating ball controls the operation of the delivery pump.
4. Water production and conveying of equipment: the clear water that waste water process air supporting equipment came out often can have a small amount of tiny particle, and the clear water at this moment if direct emission, just can lead to the condition that the aquatic suspended solid exceeds standard, we can filter the particulate matter of aquatic through adding one set of multi-media filter on pipeline to the active carbon filter material in the filter can also play the effect of decolorizing and removing the peculiar smell.
5. Starting the filter press: the mud delivery pump that equipment mainly used is pneumatic diaphragm pump, and the power supply is gaseous, and the effect that the filter press squeezed is decided to the size of atmospheric pressure, and atmospheric pressure is little, and diaphragm pump operating frequency is low, and the filter press can not filter the moisture in the mud totally, and mud is moist when leading to unloading mud, and the weight is high. Therefore, an air pipe electromagnetic valve is added on the air pipe to control the total air pressure of the pneumatic diaphragm pump, when the filter press is started, the air pipe electromagnetic valve is opened, and the pneumatic diaphragm pump starts to convey sludge into the filter press.
6. And (3) outlet water reflux of the filter press: what the pressure filter pressed under the usual condition is the mud of sedimentation tank bottom, water in the sedimentation tank is through adding the medicine reaction, water all is clear under the general condition, if consider alone that equipment moves under the good condition, the water that the pressure filter came out can directly be discharged, but because the characteristic of equipment, waste water treatment equipment must want people to observe and operate, will appear the maloperation like this at the in-process of operation or the measuring pump can not beat the condition such as medicament, the waste water treatment equipment that leads to produces water muddy, the mud of sedimentation tank all is dirty after the pressure filter squeezes this time, just can not directly discharge. Therefore, the treatment mode of the outlet water of the filter press is changed into the return flow to the waste water collecting pool, and the outlet water can be sent back by using a pipeline direct current or a conveying pump according to the difference that the waste water collecting pool is below or above the ground.
The utility model can balance the water inflow and the water consumption; the operation is stopped immediately when a fault occurs, and the self-protection function is realized; the service life of the motor is prolonged; the equipment after debugging can achieve the purpose of long-term stable water quality of produced water under the condition of normal operation of daily inspection equipment; PH on-line measuring instrument can prevent that too high low medicament that leads to of concentration from can't reacting when PH medicament adds the medicine, goes out the condition that water quality of water is not up to standard.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same principle as the protection scope of the present invention.

Claims (4)

1. An air-flotation wastewater treatment device, characterized by comprising: the system comprises a wastewater collection tank, an air flotation reaction tank, an air flotation bin, a clear water tank, a multi-medium filter, a dosing device, an air compressor, a pneumatic diaphragm pump and a plate-and-frame filter press; the air floatation reaction tank is connected with the wastewater collection tank, the air floatation bin is connected with the air floatation reaction tank, the clear water tank is connected between the air floatation bin and the multi-media filter, and the high-pressure pump is arranged between the clear water tank and the multi-media filter; the dosing device comprises a dosing barrel, a dosing pipe, a metering pump, an aeration pipeline and a tap water inlet pipeline, wherein the aeration pipeline and the metering pump are connected to the dosing barrel, and the dosing pipe and the tap water inlet pipeline are connected to the metering pump; the air floatation reaction tank is divided into a PH regulating tank, a PAC reaction tank and a PAM reaction tank, the number of the medicine feeding pipes is three, the three medicine feeding pipes are respectively connected with the PH regulating tank, the PAC reaction tank and the PAM reaction tank, the number of the aeration pipelines is two, and the two aeration pipelines are respectively connected with the PH regulating tank and the PAC reaction tank; one end of the pneumatic diaphragm pump is connected with the plate-and-frame filter press, and the other end of the pneumatic diaphragm pump is respectively connected with the PH regulating tank, the PAC reaction tank, the PAM reaction tank and the air flotation bin; the air compressor is respectively connected with the aeration pipeline and the pneumatic diaphragm pump through an air pipe, and an air pipe electromagnetic valve is arranged on the air pipe between the air compressor and the pneumatic diaphragm pump;
a submersible sewage pump and a wastewater water-shortage floating ball are arranged in the wastewater collecting tank; the PH adjusting tank is communicated with a position, close to the bottom, of the side wall of the PAC reaction tank, the PAC reaction tank is communicated with a position, close to the top, of the side wall of the PAM reaction tank, and the PAM reaction tank is communicated with a position, close to the bottom, of the side wall of the air floatation bin; the PH adjusting tank is connected with an air floatation water inlet pipe, one end of the air floatation water inlet pipe is connected with a submersible sewage pump in the wastewater collecting tank, and the other end of the air floatation water inlet pipe is inserted into the PH adjusting tank at a position close to the upper part of the PH adjusting tank; the air floating bin is connected with an air floating drain pipe, one end of the air floating drain pipe is inserted into the bottom of the air floating bin, and the other end of the air floating drain pipe is inserted into the clean water tank; the device comprises a PH adjusting tank, a PAC reaction tank, three chemical feeding pipes, a PAM reaction tank and a control system, wherein the number of the chemical feeding pipes connected with the air floatation reaction tank on the chemical feeding device is three, the first chemical feeding pipe is inserted into the PH adjusting tank at a position close to the upper part of the orifice of the air floatation water inlet pipe, the second chemical feeding pipe is inserted into the PAC reaction tank at a position close to the upper part of the communication part of the PH adjusting tank and the PAC reaction tank; the air flotation bin is internally provided with a guide plate, an air dissolving pump and an air dissolving tank, the air dissolving pump is communicated with the air dissolving tank, and the top of the air flotation bin is provided with a slag scraping plate.
2. The air-flotation wastewater treatment plant as set forth in claim 1, wherein: and the back end of the plate and frame filter press is provided with a return pipe communicated with the wastewater collecting tank.
3. The air-flotation wastewater treatment plant as set forth in claim 1, wherein: the clear water tank is internally provided with a clear water pump, a clear water shortage floating ball and a clear water full floating ball, the dissolved air pump receives a clear water full floating ball signal, and the clear water pump receives a clear water shortage floating ball signal.
4. The air-flotation wastewater treatment plant as set forth in claim 1, wherein: the medicine adding barrel comprises a PH medicine adding barrel, a PAC medicine adding barrel and a PAM medicine adding barrel.
CN201922454789.9U 2019-12-31 2019-12-31 Air supporting effluent treatment plant Active CN211595285U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922454789.9U CN211595285U (en) 2019-12-31 2019-12-31 Air supporting effluent treatment plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922454789.9U CN211595285U (en) 2019-12-31 2019-12-31 Air supporting effluent treatment plant

Publications (1)

Publication Number Publication Date
CN211595285U true CN211595285U (en) 2020-09-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922454789.9U Active CN211595285U (en) 2019-12-31 2019-12-31 Air supporting effluent treatment plant

Country Status (1)

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CN (1) CN211595285U (en)

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