CN211570330U - Fenton air supporting materialized water treatment equipment - Google Patents
Fenton air supporting materialized water treatment equipment Download PDFInfo
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- CN211570330U CN211570330U CN201922454801.6U CN201922454801U CN211570330U CN 211570330 U CN211570330 U CN 211570330U CN 201922454801 U CN201922454801 U CN 201922454801U CN 211570330 U CN211570330 U CN 211570330U
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Abstract
The utility model discloses a Fenton air-flotation physicochemical water treatment device, which comprises a pretreatment wastewater collecting tank, a comprehensive wastewater collecting tank, a Fenton reaction tank, an air-flotation reaction tank, a physicochemical tank, a middle water tank, an inclined plate sedimentation tank, a clear water tank, a dosing device, an air compressor, a pneumatic diaphragm pump and a plate and frame filter press; the Fenton reaction tank is respectively connected with the pretreatment wastewater collection tank and the comprehensive wastewater collection tank, the air flotation reaction tank is connected with the comprehensive wastewater collection tank, the intermediate water tank is connected between the air flotation reaction tank and the physicochemical tank, the inclined plate sedimentation tank is connected with the physicochemical tank, and the clean water tank is connected with the inclined plate sedimentation tank; the dosing device is respectively connected with the Fenton reaction tank, the air flotation reaction tank and the materialization 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 air flotation reaction tank, the physicochemical tank and the inclined plate sedimentation tank; the air compressor is respectively connected with the dosing device and the pneumatic diaphragm pump. In this way, the utility model discloses can make inflow and water consumption balanced, reach long-term product water stable in quality of water.
Description
Technical Field
The utility model relates to a water treatment environmental protection field especially relates to a fenton air supporting materialization water treatment facilities.
Background
The essence of the Fenton method is that a chain reaction between ferrous ions (Fe2+) and hydrogen peroxide catalyzes to generate hydroxyl radicals, and the Fenton method has strong oxidizing capability, and the oxidation potential of the Fenton method is only second to that of fluorine and is as high as 2.80V. In addition, the hydroxyl free radical has high electronegativity or electrophilicity, and the electron affinity of the hydroxyl free radical is as high as 569.3kJ, so that the Fenton reagent has strong addition reaction characteristics, can indiscriminately oxidize most organic matters in water, and is particularly suitable for the oxidation treatment of organic wastewater which is difficult to biodegrade or to perform effective chemical oxidation generally.
For many years, the sewage treatment in China is carried out by using the traditional process. In recent years, with the improvement of national sewage discharge standards, the requirement and the strength of wastewater treatment are gradually increased, so that many enterprises adopt advanced treatment processes to treat wastewater, such as ozone treatment, membrane treatment and the like, and the most accepted technology in the market is fenton process to treat wastewater.
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 a Fenton air flotation physicochemical water treatment device which can balance the water inflow and the water consumption and can achieve the stable water quality of 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: the Fenton air flotation materialized water treatment equipment comprises: a pretreatment wastewater collection tank, a comprehensive wastewater collection tank, a Fenton reaction tank, an air flotation reaction tank, a materialization tank, an intermediate water tank, an inclined plate sedimentation tank, a clean water tank, a dosing device, an air compressor, a pneumatic diaphragm pump and a plate-and-frame filter press; the Fenton reaction tank is respectively connected with the pretreatment wastewater collection tank and the comprehensive wastewater collection tank, the air flotation reaction tank is connected with the comprehensive wastewater collection tank, the intermediate water tank is connected between the air flotation reaction tank and the physicochemical tank, the inclined plate sedimentation tank is connected with the physicochemical tank, and the clean water tank is connected with the inclined plate sedimentation tank; the chemical feeding device is provided with a plurality of chemical feeding pipes which are respectively connected with the Fenton reaction tank, the air flotation reaction tank and the physicochemical 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 air floatation reaction tank, the materialization tank and the inclined plate sedimentation tank; the air compressor is respectively connected with the dosing device, the pneumatic diaphragm pump, the Fenton reaction tank, the air flotation reaction tank and the materialization tank;
the pretreatment wastewater collecting tank and the comprehensive wastewater collecting tank are internally provided with a submersible sewage pump and a water-deficient floating ball; the Fenton reaction tank is divided into a Fenton PH adjusting tank, a hydrogen peroxide solution reaction tank and a ferrous sulfate reaction tank, one side of the hydrogen peroxide solution reaction tank is communicated with the upper part of the side wall of the Fenton PH adjusting tank, and the other side of the hydrogen peroxide solution reaction tank is communicated with the lower part of the side wall of the ferrous sulfate reaction tank; the device comprises a Fenton reaction tank, a Fenton water inlet pipe, a Fenton water outlet pipe, a Fenton sewage treatment tank, a ferrous sulfate reaction tank, a comprehensive wastewater collection tank and a sewage treatment system, wherein the Fenton reaction tank is connected with the Fenton water inlet pipe and the Fenton water outlet pipe; the device comprises a Fenton reaction tank, a hydrogen peroxide reaction tank, a Fenton water inlet pipe, a hydrogen sulfate reaction tank, a dosing device and a ferrous sulfate reaction tank, wherein the number of dosing pipes connected with the Fenton reaction tank on the dosing device is three, the first dosing pipe is inserted into the Fenton pH adjustment tank and is close to the position above the pipe orifice of the Fenton water inlet pipe, the second dosing pipe is inserted into the hydrogen peroxide reaction tank and is close to the position above the communication position of;
the air floatation reaction tank is divided into an air floatation pH adjusting tank, an air floatation PAC reaction tank, an air floatation PAM reaction tank and an air floatation bin; the air floatation PH adjusting tank is communicated with the lower part of the side wall of the air floatation PAC reaction tank, the air floatation PAC reaction tank is communicated with the upper part of the side wall of the air floatation PAM reaction tank, and the air floatation PAM reaction tank is communicated with the lower part of the side wall of the air floatation bin; the air flotation reaction tank is connected with an air flotation water inlet pipe and an air flotation water discharge pipe, one end of the air flotation water inlet pipe is connected with a submersible sewage pump in the comprehensive wastewater collection tank, the other end of the air flotation water inlet pipe is inserted into the air flotation PH adjusting tank at a position close to the upper part of the air flotation PH adjusting tank, one end of the air flotation water discharge pipe is inserted into the bottom of the air flotation bin, and the other end of the air flotation water discharge pipe is inserted into the intermediate; the device comprises a chemical feeding device, an air flotation reaction tank, an air flotation PH adjusting tank, an air flotation PAC reaction tank, a chemical feeding device and a control device, wherein the chemical feeding device is provided with three chemical feeding pipes connected with the air flotation reaction tank, the first chemical feeding pipe is inserted into the air flotation PH adjusting tank at a position close to the upper part of the orifice of the air flotation water inlet pipe, the second chemical feeding pipe is inserted into the air flotation PAC reaction tank at a position close to the upper part of the communication position of the air flotation PH adjusting tank and the air flotation PAC reaction; a dissolved air pump and a dissolved air tank are arranged in the air flotation bin, and the dissolved air pump is communicated with the dissolved air tank; the middle water tank is internally provided with a middle water pump, a water shortage floating ball and a water full floating ball, the air dissolving pump receives a water full floating ball signal, and the middle water pump receives a water shortage floating ball signal;
the materialization pool is divided into a materialization PH regulating pool, a materialization PAC reaction pool and a materialization PAM reaction pool, the materialization PH regulating pool is communicated with the lower part of the side wall of the materialization PAC reaction pool, the materialization PAC reaction pool is communicated with the upper part of the side wall of the materialization PAM reaction pool, and the materialization PAM reaction pool is communicated with the middle part of the side wall of the inclined plate sedimentation pool; a materialization water inlet pipe is connected to the materialization tank, one end of the materialization water inlet pipe is connected with the middle water pump, and the other end of the materialization water inlet pipe is inserted into the position, close to the upper part of the materialization PH regulating tank, of the materialization PH regulating tank; the chemical adding device is characterized in that the chemical adding pipes connected with the physical and chemical tank are arranged in three numbers, the first chemical adding pipe is inserted into the physical and chemical PH adjusting tank and is close to the position above the pipe orifice of the physical and chemical water inlet pipe, the second chemical adding pipe is inserted into the physical and chemical PAC reaction tank and is close to the position above the communication position of the physical and chemical PH adjusting tank and the physical and chemical PAC reaction tank, and the third chemical adding pipe is inserted into the physical and chemical PAM reaction tank and is close to the position above the communication position of the physical and chemical PAC.
Further, the air compressor is connected with the pneumatic diaphragm pump through an air pipe, and an air pipe electromagnetic valve is arranged on the air pipe.
Furthermore, a return pipe communicated with the comprehensive wastewater collecting tank is arranged at the rear end of the plate-and-frame filter press.
The utility model has the advantages that: 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.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of the Fenton air flotation physicochemical water treatment device of the present invention;
FIG. 2 is a schematic construction diagram of a Fenton air flotation water treatment device;
FIG. 3 is a flow chart of the Fenton air flotation water treatment equipment during operation;
the parts in the drawings are numbered as follows: 1. a pretreatment wastewater collection tank; 2. a comprehensive wastewater collection tank; 3. a Fenton reaction tank; 4. an air flotation reaction tank; 5. a materialization pool; 6. an intermediate water tank; 7. a sloping plate sedimentation tank; 8. a clean water tank; 9. a dosing device; 10. an air compressor; 11. a pneumatic diaphragm pump; 12. a plate-and-frame filter press; 13. an air floating bin.
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 to 3, an embodiment of the present invention includes:
a Fenton air supporting materialized water treatment device comprises: the system comprises a pretreatment wastewater collection tank 1, a comprehensive wastewater collection tank 2, a Fenton reaction tank 3, an air flotation reaction tank 4, a materialization tank 5, a middle water tank 6, an inclined plate sedimentation tank 7, a clean water tank 8, a dosing device 9, an air compressor 10, a pneumatic diaphragm pump 11 and a plate and frame filter press 12; the Fenton reaction tank is respectively connected with the pretreatment wastewater collection tank and the comprehensive wastewater collection tank, the air flotation reaction tank is connected with the comprehensive wastewater collection tank, the intermediate water tank is connected between the air flotation reaction tank and the physicochemical tank, the inclined plate sedimentation tank is connected with the physicochemical tank, and the clean water tank is connected with the inclined plate sedimentation tank; the chemical feeding device is provided with a plurality of chemical feeding pipes which are respectively connected with the Fenton reaction tank, the air flotation reaction tank and the physicochemical 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 air floatation reaction tank, the materialization tank and the inclined plate sedimentation tank; the air compressor is respectively connected with the dosing device, the pneumatic diaphragm pump, the Fenton reaction tank, the air flotation reaction tank and the materialization tank;
a submersible sewage pump and a water-deficient floating ball are arranged in the pretreatment wastewater collecting tank 1 and the comprehensive wastewater collecting tank 2; the Fenton reaction tank 3 is divided into a Fenton pH adjusting tank, a hydrogen peroxide solution reaction tank and a ferrous sulfate reaction tank, one side of the hydrogen peroxide solution reaction tank is communicated with the upper part of the side wall of the Fenton pH adjusting tank, and the other side of the hydrogen peroxide solution reaction tank is communicated with the lower part of the side wall of the ferrous sulfate reaction tank; the device comprises a Fenton reaction tank, a Fenton water inlet pipe, a Fenton water outlet pipe, a Fenton sewage treatment tank, a ferrous sulfate reaction tank, a comprehensive wastewater collection tank and a sewage treatment system, wherein the Fenton reaction tank is connected with the Fenton water inlet pipe and the Fenton water outlet pipe; the device comprises a Fenton reaction tank, a hydrogen peroxide reaction tank, a Fenton water inlet pipe, a hydrogen sulfate reaction tank, a dosing device and a ferrous sulfate reaction tank, wherein the number of dosing pipes connected with the Fenton reaction tank on the dosing device is three, the first dosing pipe is inserted into the Fenton pH adjustment tank and is close to the position above the pipe orifice of the Fenton water inlet pipe, the second dosing pipe is inserted into the hydrogen peroxide reaction tank and is close to the position above the communication position of;
the air floatation reaction tank 4 is divided into an air floatation pH adjusting tank, an air floatation PAC reaction tank, an air floatation PAM reaction tank and an air floatation bin 13; the air floatation PH adjusting tank is communicated with the lower part of the side wall of the air floatation PAC reaction tank, the air floatation PAC reaction tank is communicated with the upper part of the side wall of the air floatation PAM reaction tank, and the air floatation PAM reaction tank is communicated with the lower part of the side wall of the air floatation bin; the air flotation reaction tank is connected with an air flotation water inlet pipe and an air flotation water discharge pipe, one end of the air flotation water inlet pipe is connected with a submersible sewage pump in the comprehensive wastewater collection tank, the other end of the air flotation water inlet pipe is inserted into the air flotation PH adjusting tank at a position close to the upper part of the air flotation PH adjusting tank, one end of the air flotation water discharge pipe is inserted into the bottom of the air flotation bin, and the other end of the air flotation water discharge pipe is inserted into the intermediate; the device comprises a chemical feeding device, an air flotation reaction tank, an air flotation PH adjusting tank, an air flotation PAC reaction tank, a chemical feeding device and a control device, wherein the chemical feeding device is provided with three chemical feeding pipes connected with the air flotation reaction tank, the first chemical feeding pipe is inserted into the air flotation PH adjusting tank at a position close to the upper part of the orifice of the air flotation water inlet pipe, the second chemical feeding pipe is inserted into the air flotation PAC reaction tank at a position close to the upper part of the communication position of the air flotation PH adjusting tank and the air flotation PAC reaction; a dissolved air pump and a dissolved air tank are arranged in the air flotation bin, and the dissolved air pump is communicated with the dissolved air tank; the middle water tank 6 is internally provided with a middle water pump, a water-deficient floating ball and a water-full floating ball, the dissolved air pump receives a water-full floating ball signal, and the middle water pump receives a water-deficient floating ball signal;
the materialization pool 5 is divided into a materialization pH adjusting pool, a materialization PAC reaction pool and a materialization PAM reaction pool, the materialization pH adjusting pool is communicated with the lower part of the side wall of the materialization PAC reaction pool, the materialization PAC reaction pool is communicated with the upper part of the side wall of the materialization PAM reaction pool, and the materialization PAM reaction pool is communicated with the middle part of the side wall of the inclined plate sedimentation pool; a materialization water inlet pipe is connected to the materialization tank, one end of the materialization water inlet pipe is connected with the middle water pump, and the other end of the materialization water inlet pipe is inserted into the position, close to the upper part of the materialization PH regulating tank, of the materialization PH regulating tank; the chemical adding device comprises three chemical adding pipes connected with the physical and chemical tank, wherein the first chemical adding pipe is inserted into the physical and chemical pH adjusting tank at a position close to the upper part of the pipe orifice of the physical and chemical water inlet pipe, the second chemical adding pipe is inserted into the physical and chemical PAC reaction tank at a position close to the upper part of the communication part of the physical and chemical pH adjusting tank and the physical and chemical PAC reaction tank, and the third chemical adding pipe is inserted into the physical and chemical PAM reaction tank at a position close to the upper part of the communication part of the physical and chemical PAC;
the air compressor is connected with the pneumatic diaphragm pump through an air pipe, and an air pipe electromagnetic valve is arranged on the air pipe; and the back end of the plate and frame filter press is provided with a return pipe communicated with the comprehensive wastewater collecting tank.
The Fenton air flotation materialized water treatment equipment comprises the following steps during operation:
1. equipment water inlet: the wastewater in the pretreatment wastewater collection tank is conveyed to a Fenton reaction tank through a submersible sewage pump, a water-deficient floating ball in the tank controls the start of the submersible sewage pump, the floating ball is at a distance of more than 20CM from the bottom of an underground tank, and the submersible sewage pump is prevented from stopping working due to insufficient liquid level after being started, so that the submersible sewage pump is started too frequently, and the service life of the submersible sewage pump is shortened; the submersible sewage pump conveys the wastewater to a water inlet pipeline of the Fenton reaction tank, and a backflow pipeline is arranged on the water inlet pipeline and used for controlling the flow and balancing the pressure.
2. Feeding water and adding medicine into the Fenton reaction tank: stealthily dirty pump carries the waste water of pretreatment waste water collecting pit to the first PH equalizing basin of fenton reaction tank, and waste water is intake from the bottom of PH equalizing basin, adds the position about medicine pipe connection to apart from water inlet top 20cm, makes just flowing waste water just begin to react with the medicament, forms into water down, can not cross because of adding medicine pipeline position low excessively 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 first water outlet is arranged above the pool, so that a diagonal line is formed in the process that water in the first reaction pool enters the second reaction pool, and the reaction time of the medicament is prolonged to the maximum extent.
The water of the second hydrogen peroxide reaction tank enters from the top, and the dosing pipeline is connected to the position of the water inlet, so that the wastewater which just flows over starts to react with the medicament to form the upper inlet water. The water outlet of the second reaction tank is arranged at the bottom of 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 the ferrous sulfate reaction tank of third says gets into from the bottom, adds the position that the medicine pipeline is connected to about 20cm above the distance water inlet, makes the waste water that has just flowed over just begin to react with the medicament, forms into water down, can not cross lowly because of adding medicine pipeline position again, and bottom of the pool impurity forms after equipment shut down and piles up and plug up the medicine mouth that adds. The water outlet of the third reaction tank is arranged at the top of the tank, so that a diagonal line is formed in the process that water in the third reaction tank flows out, and the reaction time of the medicament is prolonged to the maximum extent. 3. The comprehensive wastewater collection tank is used for collecting water discharged from the Fenton reaction tank and cleaning wastewater in other processes, the water-deficient floating ball in the tank controls the starting of the air submersible sewage pump, the floating ball is away from the bottom of the underground tank by more than 20CM, the submersible sewage pump cannot stop working due to insufficient liquid level after being started in order to ensure that the submersible sewage pump is started too frequently, the service life of the submersible sewage pump is shortened, the submersible sewage pump conveys the wastewater to the air flotation reaction tank, and a backflow pipeline is arranged on a water inlet pipeline of the air flotation reaction tank and used for controlling flow and balancing pressure.
4. Water feeding and dosing in the air flotation reaction tank: the sewage submersible pump conveys the wastewater in the comprehensive 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 water in the first reaction tank enters a second process to form 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.
After the water in the third 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.
5. The operation of the air flotation machine: clear water at the bottom of the air floatation bin enters the dissolved air pump, the dissolved air pump feeds water and air at the same time, gas-liquid mixed liquid is conveyed to the dissolved air tank, the dissolved air tank is internally provided with a dissolved air liquid through high pressure, the mixed liquid is changed into the dissolved air liquid, the dissolved air liquid is released through a releaser, and the dissolved air liquid is provided with a large amount of micro bubbles which are attached to suspended particles in a highly dispersed manner, so that the density is less than the state of water, and the dissolved air liquid floats on the water surface by utilizing the buoyancy principle, thereby realizing the effect of solid.
6. Air flotation effluent and materialized water inflow: the effluent of the air floatation reaction tank enters a middle water tank, a water-deficient floating ball and a water-full floating ball are arranged in the middle water tank, the water-full floating ball controls the starting of the air floatation machine, the water-deficient floating ball controls the starting of the physicochemical delivery pump, the distance between the water-deficient floating ball and the bottom of the water tank is 20CM, and the submersible sewage pump cannot stop working due to insufficient liquid level after being started so as to lead the submersible sewage pump to be started too frequently and reduce the service life of the submersible sewage pump. The submersible sewage pump conveys the wastewater to a pipeline of a PH adjusting tank, and a backflow pipeline is arranged on the pipeline and used for controlling the flow and balancing the pressure.
7. Water feeding and dosing in the materialization tank: the submersible sewage pump conveys water in the middle water tank to the first PH adjusting tank of the materialization tank, the water enters from the top of the PH adjusting tank, meanwhile, the chemicals are added with the chemicals from the position near the water inlet to form upper water inlet, the first water outlet is arranged at the bottom of the tank, so that the process that the water in the first reaction tank enters the second reaction tank forms a diagonal line, and the reaction time of the chemicals is prolonged to the maximum extent.
The water of the second PAC reaction tank enters from the bottom of the tank, the dosing pipeline is connected to a position which is about 20cm away from the upper part of the water inlet, so that the water which just flows through starts to react with the medicament to form lower inlet water, and impurities at the bottom of the tank are not accumulated to block a dosing port after the equipment is shut down because the position of the dosing pipeline is too low; 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 way PAM reaction tank gets into from the top, adds the medicine pipe connection to the water inlet position, makes the waste water that has just flowed over just begin to react with the medicament, forms into water, is equipped with the agitator pump in the PAM reaction tank. 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.
The water of the third reaction tank enters the inclined plate sedimentation tank through the middle position between the conical bottom of the sedimentation tank and the inclined plate, the position of the water outlet at the position cannot be changed to other positions, the floccule is easy to overflow into the clean water tank through the water outlet, the water outlet is arranged at the bottom of the sedimentation tank, and the floccule after sedimentation can be dispersed again by the water flow during operation and is brought into the clean water tank by the water flow.
8. Water production and conveying of equipment: clear water overflowing from the sedimentation tank enters a clear water tank, a full water floating ball, a water shortage floating ball and a submersible pump are arranged in the clear water tank, the full water floating ball controls the starting of the materialization equipment main body, the equipment is stopped after the full water floating ball sends a signal, the stirring pump, the filter press and the submersible pump do not influence the use, and the water shortage floating ball controls the operation of the submersible pump.
9. A dosing device: the dosing device generally comprises a dosing barrel, a metering pump, an aeration pipeline and a tap water inlet pipeline, and under the condition that tap water is not connected due to site limitation, the water in a waste water clean water tank can be used instead for dosing.
10. 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.
11. 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 (3)
1. The Fenton air flotation materialized water treatment equipment is characterized by comprising: a pretreatment wastewater collection tank, a comprehensive wastewater collection tank, a Fenton reaction tank, an air flotation reaction tank, a materialization tank, an intermediate water tank, an inclined plate sedimentation tank, a clean water tank, a dosing device, an air compressor, a pneumatic diaphragm pump and a plate-and-frame filter press; the Fenton reaction tank is respectively connected with the pretreatment wastewater collection tank and the comprehensive wastewater collection tank, the air flotation reaction tank is connected with the comprehensive wastewater collection tank, the intermediate water tank is connected between the air flotation reaction tank and the physicochemical tank, the inclined plate sedimentation tank is connected with the physicochemical tank, and the clean water tank is connected with the inclined plate sedimentation tank; the chemical feeding device is provided with a plurality of chemical feeding pipes which are respectively connected with the Fenton reaction tank, the air flotation reaction tank and the physicochemical 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 air floatation reaction tank, the materialization tank and the inclined plate sedimentation tank; the air compressor is respectively connected with the dosing device, the pneumatic diaphragm pump, the Fenton reaction tank, the air flotation reaction tank and the materialization tank;
the pretreatment wastewater collecting tank and the comprehensive wastewater collecting tank are internally provided with a submersible sewage pump and a water-deficient floating ball; the Fenton reaction tank is divided into a Fenton PH adjusting tank, a hydrogen peroxide solution reaction tank and a ferrous sulfate reaction tank, one side of the hydrogen peroxide solution reaction tank is communicated with the upper part of the side wall of the Fenton PH adjusting tank, and the other side of the hydrogen peroxide solution reaction tank is communicated with the lower part of the side wall of the ferrous sulfate reaction tank; the device comprises a Fenton reaction tank, a Fenton water inlet pipe, a Fenton water outlet pipe, a Fenton sewage treatment tank, a ferrous sulfate reaction tank, a comprehensive wastewater collection tank and a sewage treatment system, wherein the Fenton reaction tank is connected with the Fenton water inlet pipe and the Fenton water outlet pipe; the device comprises a Fenton reaction tank, a hydrogen peroxide reaction tank, a Fenton water inlet pipe, a hydrogen sulfate reaction tank, a dosing device and a ferrous sulfate reaction tank, wherein the number of dosing pipes connected with the Fenton reaction tank on the dosing device is three, the first dosing pipe is inserted into the Fenton pH adjustment tank and is close to the position above the pipe orifice of the Fenton water inlet pipe, the second dosing pipe is inserted into the hydrogen peroxide reaction tank and is close to the position above the communication position of;
the air floatation reaction tank is divided into an air floatation pH adjusting tank, an air floatation PAC reaction tank, an air floatation PAM reaction tank and an air floatation bin; the air floatation PH adjusting tank is communicated with the lower part of the side wall of the air floatation PAC reaction tank, the air floatation PAC reaction tank is communicated with the upper part of the side wall of the air floatation PAM reaction tank, and the air floatation PAM reaction tank is communicated with the lower part of the side wall of the air floatation bin; the air flotation reaction tank is connected with an air flotation water inlet pipe and an air flotation water discharge pipe, one end of the air flotation water inlet pipe is connected with a submersible sewage pump in the comprehensive wastewater collection tank, the other end of the air flotation water inlet pipe is inserted into the air flotation PH adjusting tank at a position close to the upper part of the air flotation PH adjusting tank, one end of the air flotation water discharge pipe is inserted into the bottom of the air flotation bin, and the other end of the air flotation water discharge pipe is inserted into the intermediate; the device comprises a chemical feeding device, an air flotation reaction tank, an air flotation PH adjusting tank, an air flotation PAC reaction tank, a chemical feeding device and a control device, wherein the chemical feeding device is provided with three chemical feeding pipes connected with the air flotation reaction tank, the first chemical feeding pipe is inserted into the air flotation PH adjusting tank at a position close to the upper part of the orifice of the air flotation water inlet pipe, the second chemical feeding pipe is inserted into the air flotation PAC reaction tank at a position close to the upper part of the communication position of the air flotation PH adjusting tank and the air flotation PAC reaction; a dissolved air pump and a dissolved air tank are arranged in the air flotation bin, and the dissolved air pump is communicated with the dissolved air tank; the middle water tank is internally provided with a middle water pump, a water shortage floating ball and a water full floating ball, the air dissolving pump receives a water full floating ball signal, and the middle water pump receives a water shortage floating ball signal;
the materialization pool is divided into a materialization PH regulating pool, a materialization PAC reaction pool and a materialization PAM reaction pool, the materialization PH regulating pool is communicated with the lower part of the side wall of the materialization PAC reaction pool, the materialization PAC reaction pool is communicated with the upper part of the side wall of the materialization PAM reaction pool, and the materialization PAM reaction pool is communicated with the middle part of the side wall of the inclined plate sedimentation pool; a materialization water inlet pipe is connected to the materialization tank, one end of the materialization water inlet pipe is connected with the middle water pump, and the other end of the materialization water inlet pipe is inserted into the position, close to the upper part of the materialization PH regulating tank, of the materialization PH regulating tank; the chemical adding device is characterized in that the chemical adding pipes connected with the physical and chemical tank are arranged in three numbers, the first chemical adding pipe is inserted into the physical and chemical PH adjusting tank and is close to the position above the pipe orifice of the physical and chemical water inlet pipe, the second chemical adding pipe is inserted into the physical and chemical PAC reaction tank and is close to the position above the communication position of the physical and chemical PH adjusting tank and the physical and chemical PAC reaction tank, and the third chemical adding pipe is inserted into the physical and chemical PAM reaction tank and is close to the position above the communication position of the physical and chemical PAC.
2. A Fenton air flotation materialized water treatment device according to claim 1, which is characterized in that: the air compressor is connected with the pneumatic diaphragm pump through an air pipe, and an air pipe electromagnetic valve is arranged on the air pipe.
3. A Fenton air flotation materialized water treatment device according to claim 1, which is characterized in that: and the back end of the plate and frame filter press is provided with a return pipe communicated with the comprehensive wastewater collecting tank.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860586A (en) * | 2021-09-30 | 2021-12-31 | 中新联科环境科技(安徽)有限公司 | Dyeing wastewater collection treatment system and wastewater collection pool thereof |
| CN115072857A (en) * | 2022-07-21 | 2022-09-20 | 苏州盛虹环保科技有限公司 | Deep oxidation equipment and method for removing high-concentration wastewater pollutants |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860586A (en) * | 2021-09-30 | 2021-12-31 | 中新联科环境科技(安徽)有限公司 | Dyeing wastewater collection treatment system and wastewater collection pool thereof |
| CN115072857A (en) * | 2022-07-21 | 2022-09-20 | 苏州盛虹环保科技有限公司 | Deep oxidation equipment and method for removing high-concentration wastewater pollutants |
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