CN216584533U - Efficient phosphorus removal device for advanced sewage treatment - Google Patents
Efficient phosphorus removal device for advanced sewage treatment Download PDFInfo
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- CN216584533U CN216584533U CN202123253540.5U CN202123253540U CN216584533U CN 216584533 U CN216584533 U CN 216584533U CN 202123253540 U CN202123253540 U CN 202123253540U CN 216584533 U CN216584533 U CN 216584533U
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Abstract
The utility model belongs to the sewage treatment field discloses a high-efficient phosphorus removal device of sewage advanced treatment. The system comprises a pre-dephosphorization module, a middle water tank, an adsorption dephosphorization module and a water outlet tank which are sequentially arranged in a system shell, and an aeration fan module, a dephosphorization reagent dosing module, a filter material regeneration reagent dosing module and a controller which are arranged outside the system shell. The utility model discloses a system has simple structure, reasonable in design, operation safe and reliable, degree of automation is high, production and maintenance cost are low characteristics, has effectively improved workman's operating efficiency, has realized unmanned on duty and energy-concerving and environment-protective target.
Description
Technical Field
The utility model belongs to the sewage treatment field, more specifically relates to a high-efficient phosphorus removal device of sewage advanced treatment.
Background
With the increasing development of economy, the concept of environmental protection is deeply focused, the requirements of people on the water environment quality are higher and higher, in many areas, the sewage treatment rate is lower in the areas due to insufficient capital investment, the treatment rate of the areas is about 22% in 2016, and on the other hand, the water treatment discharge standard of the areas is not established, and the construction time of most of the established facilities is earlier, so that the quality of the running effluent cannot meet the requirements.
The effluent standard of the village sewage treatment station specified in 2019 has a stricter requirement on the emission limit value of nitrogen and phosphorus pollutants, and facilities with earlier construction time cannot meet the requirement of a new standard, so that the improvement of standards is urgently needed. And the upgrading and reconstruction of a large-scale sewage treatment plant usually adopts advanced treatment processes such as a denitrification biological filter, MBR, ultrafiltration and the like, so that a large amount of capital investment is needed in the early stage, a medicament is continuously added in the later stage, and professional operation, maintenance and management are needed, the advanced treatment plant is not suitable for distributed sewage treatment sites, and a secondary advanced treatment device suitable for distributed sewage treatment is urgently needed at present, and can meet new discharge standards and recycling standards.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high-efficient phosphorus removal device of sewage advanced treatment to the not enough of prior art. The utility model discloses a system has simple structure, reasonable in design, operation safe and reliable, degree of automation is high, production and maintenance cost are low characteristics, has effectively improved workman's operating efficiency, has realized unmanned on duty and energy-concerving and environment-protective target.
In order to realize the aim, the utility model provides a high-efficiency phosphorus removal device for advanced wastewater treatment, which comprises a pre-phosphorus removal module, an intermediate water tank, an adsorption phosphorus removal module and a water outlet tank which are arranged in a system shell in sequence, and an aeration fan module, a phosphorus removal medicament dosing module, a filter material regeneration medicament dosing module and a controller which are arranged outside the system shell;
the pre-dephosphorization module comprises a cyclic aeration reaction unit and a filtering unit; the circulating aeration reaction unit is communicated with the filtering unit through a partition plate with a water through hole at the upper part; the filtering unit is communicated with the middle water tank through a partition plate with a water through hole at the lower part; the middle water tank is communicated with the adsorption dephosphorization module through a partition plate with a water through hole at the lower part; the adsorption dephosphorization module is communicated with the effluent pool through a partition plate, the upper part of which is simultaneously provided with a water collecting weir and a water through hole;
the aeration fan module comprises an air blower, a cyclic aeration reaction unit aeration valve, a filtering unit backwashing aeration valve and an adsorption dephosphorization module backwashing aeration valve; the air blower is respectively connected with the cyclic aeration reaction unit, the filtering unit and the adsorption phosphorus removal module through the cyclic aeration reaction unit aeration valve, the filtering unit backwashing aeration valve and the adsorption phosphorus removal module backwashing aeration valve;
the dephosphorization agent dosing module is used for providing a dephosphorization agent for the cyclic aeration reaction unit;
the filter material regeneration medicament dosing module is used for providing a filter material regeneration medicament for the adsorption dephosphorization module;
the controller is used for realizing chain reaction control of the system.
Preferably, the cyclic aeration reaction unit is provided with a first aeration mixing chamber, a second aeration mixing chamber, a sewage inlet, a medicine distribution mixer and an aeration pipe of the cyclic aeration reaction unit;
the first aeration mixing chamber is communicated with the second aeration mixing chamber through a partition plate with a water through hole at the lower part; the sewage inlet is arranged at the upper part of the side wall of the system shell at the water inlet side of the first aeration mixing chamber; the aeration pipe of the cyclic aeration reaction unit is arranged at the bottom of the cyclic aeration reaction unit, which is communicated with the first aeration mixing chamber and the second aeration mixing chamber;
the air blower is connected with the aeration pipe of the cyclic aeration reaction unit through the aeration valve of the cyclic aeration reaction unit.
Preferably, the dephosphorization agent dosing module is provided with a dephosphorization agent box, a dephosphorization agent pump, a dephosphorization agent box liquid level meter and a dephosphorization dosing pipe; the detection end of the liquid level meter of the phosphorus removal reagent box is arranged in the phosphorus removal reagent box; the phosphorus removal agent box, the phosphorus removal agent pump and the phosphorus removal dosing pipe are sequentially connected;
and a water inlet pipe of the medicine distribution mixer is simultaneously communicated with the sewage inlet and the phosphorus removal medicine adding pipe.
Preferably, the drainage pipe of the medicine dispensing mixer is a perforated drainage pipe.
Preferably, the filter unit is sequentially provided with a light filter material upper baffle, a light filter material layer, a light filter material lower baffle, a filter unit backwashing aerator pipe and a filter unit sludge collecting inclined plate from top to bottom;
the adsorption and phosphorus removal module is sequentially provided with an adsorption and phosphorus removal filter material baffle, an adsorption and phosphorus removal filter material layer, a filter material supporting layer, a supporting layer baffle, a water inlet filter head, an adsorption and phosphorus removal module aerator pipe and an adsorption and phosphorus removal module sludge collection inclined plate from top to bottom;
the filter unit sludge collection inclined plate and the adsorption dephosphorization module sludge collection inclined plate respectively comprise a first end and a second end, and the first end is higher than the second end; the second end of the filter unit mud collecting inclined plate is arranged at a water passing hole communicated with the filter unit and the middle water tank; the second end of the sludge collecting inclined plate of the adsorption and phosphorus removal module is arranged at a water through hole communicated with the adsorption and phosphorus removal module in the middle water tank;
the air blower is connected with the backwashing aeration pipe of the filtering unit through the backwashing aeration valve of the filtering unit;
the air blower is connected with the aeration pipe of the adsorption and dephosphorization module through the backwashing aeration valve of the adsorption and dephosphorization module.
Preferably, a filter unit backwashing regulating valve is further arranged on a pipeline connecting the filter unit backwashing aeration valve and the filter unit backwashing aeration pipe;
and a backwashing regulation valve of the absorption phosphorus removal module is also arranged on a pipeline connecting the backwashing aeration valve of the absorption phosphorus removal module and the aeration pipe of the absorption phosphorus removal module.
Preferably, the filter material regeneration medicament dosing module is provided with a regeneration medicament box, a regeneration medicament feeding pump, a regeneration medicament box liquid level meter and a regeneration medicament feeding pipe;
the detection end of the regenerated medicine box liquid level meter is arranged in the regenerated medicine box; the regeneration medicine box, the regeneration medicine feeding pump and the regeneration medicine feeding pipe are sequentially connected; the regeneration dosing pipe is connected into the adsorption dephosphorization module through a dosing inlet arranged at the top of the system shell corresponding to the adsorption dephosphorization module.
Preferably, the middle water tank is provided with a filtering unit side water tank, an adsorption phosphorus removal module side water tank, a sealing manhole, a backwashing sludge discharge main pipe, a filtering unit side sludge discharge branch pipe, an adsorption phosphorus removal module side sludge discharge branch pipe, a filtering unit backwashing water discharge pump, an adsorption phosphorus removal module backwashing water discharge pump and a middle water tank liquid level meter;
the filter unit side water tank and the adsorption dephosphorization module side water tank are communicated through a partition plate with a water through hole at the upper part; the sealing manhole is arranged at the top of the system shell corresponding to the middle water pool;
one end of the backwashing sludge discharge main pipe is arranged at the upper part of the middle water tank communicated with the water tank at the side of the filtering unit and the water tank at the side of the adsorption and dephosphorization module and is simultaneously communicated with one end of the sludge discharge branch pipe at the side of the filtering unit and one end of the sludge discharge branch pipe at the side of the adsorption and dephosphorization module; the other end of the backwashing sludge discharge main pipe penetrates through the sealing manhole and is connected to sewage and sludge collecting equipment arranged outside the system shell; the other end of the filter unit side sludge discharge branch pipe is connected with the filter unit backwashing drainage pump, and the other end of the adsorption and dephosphorization module side sludge discharge branch pipe is connected with the adsorption and dephosphorization module backwashing drainage pump.
Preferably, the sludge discharge pipe one-way valves are arranged on the sludge discharge branch pipe on the side of the filtering unit and the sludge discharge branch pipe on the side of the adsorption dephosphorization module.
Preferably, the water outlet pool is provided with a water outlet pool liquid level meter, a water outlet discharge pump and a water outlet drain pipe; the detection end of the effluent pool liquid level meter is arranged in the effluent pool; the water outlet external discharge pump is arranged at the bottom of the water outlet pool and is connected to water outlet collecting equipment arranged outside the system shell through the water outlet drain pipe.
The technical scheme of the utility model beneficial effect as follows:
(1) the utility model discloses a sufficient mixing of sewage and dephosphorization medicament can be realized to the cloth medicine blender of circulation aeration reaction unit, the utility model discloses circulation aeration reaction unit uses the aeration reaction to replace traditional agitator, reducible equipment trouble.
(2) The utility model discloses a filter unit has adopted light filter material, and this filter material possesses the washing simply, and the non-staining is stifled characteristics to hold back the floc in the space, can control out total phosphorus ≦ 0.5mg/L of water.
(3) The utility model discloses an adsorption filter material has adopted the mineral granule that contains iron, the mineral granule that contains iron can release Fe2 +，Fe2+The flocculant and phosphate in sewage are subjected to flocculation reaction, flocs are adsorbed on the surface of the filler, and the total phosphorus in effluent can be controlled to be less than or equal to 0.3 mg/L.
(4) The utility model discloses an equipment detects in real time through setting up the level gauge, but automatic operation, automatic backwash.
(5) The utility model changes the traditional filter tank into two treatment modules of a pre-dephosphorization module and an adsorption dephosphorization module; sewage passes through a cyclic aeration reaction unit of the pre-dephosphorization module to quickly form a floc mixture; then flows through the filtering unit, most of flocs and insoluble phosphorus are retained by the filtering layer of the light filtering material. The adsorption dephosphorization module further removes phosphorus in the sewage through the action of the adsorption filter material.
(6) The utility model discloses be equipped with filter material regeneration medicament and add the medicine module, can be fast with adsorbing dephosphorization filter material activation recovery adsorption performance.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
FIG. 1 shows a schematic structural diagram of a high-efficiency phosphorus removal device for advanced wastewater treatment provided by the present invention.
The drawings illustrate the following:
1: a pre-phosphorous removal module, 1.1: cyclic aeration reaction unit, 1.2: filter unit, 1.3 first aeration mixing chamber, 1.4: second aeration mixing chamber, 1.5: sewage inlet, 1.6: medicine distribution mixer, 1.7: aeration pipe of the cyclic aeration reaction unit, 1.8: light filter material upper baffle, 1.9: light filter material layer, 1.20: light filter material lower baffle, 1.21: filter unit backwash aeration pipe, 1.22: a mud collecting inclined plate of the filter unit;
2: intermediate pool, 2.1: filtration unit side sump, 2.2: a side water tank of the adsorption dephosphorization module, and 2.3: sealing manhole, 2.4: backwashing sludge discharge main pipe, 2.5: mud branch pipe, 2.6: a sludge discharge branch pipe at the side of the adsorption and dephosphorization module and 2.7: filter unit backwash drain pump, 2.8: backwashing and draining pump of adsorption and dephosphorization module, 2.9: middle pool level gauge, 2.10: a mud pipe check valve;
3: adsorption dephosphorization module, 3.1: adsorption dephosphorization filter material baffle, 3.2: a phosphorus adsorption filter layer and 3.3: filter material supporting layer, 3.4: supporting layer baffle, 3.5: water inlet filter head, 3.6: adsorption dephosphorization module aeration pipe, 3.7: the adsorption dephosphorization module sludge collection sloping plate is 3.8: a water collection weir;
4: water outlet pool, 4.1: pool level gauge, 4.2: effluent discharge pump, 4.3: a water outlet and drainage pipe;
5: aeration fan module, 5.1: blower, 5.2: aeration valve of the cyclic aeration reaction unit, 5.3: filter unit backwash aeration valve, 5.4: backwashing aeration valve of adsorption dephosphorization module, 5.5: filter unit backwash regulating valve, 5.6: backwashing regulating valves of the adsorption dephosphorization modules;
6: dephosphorization agent dosing module, 6.1: dephosphorization kit, 6.2: dephosphorization reagent pump, 6.3: dephosphorization agent box liquid level meter, 6.4: a dephosphorization dosing pipe;
7: a filter material regeneration medicament adding die and 7.1: regeneration medicine box, 7.2: regenerative dosing pump, 7.3: regenerated medicine box level meter, 7.4: regenerating the dosing tube.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The utility model provides a high-efficiency dephosphorization device for advanced wastewater treatment, which comprises a pre-dephosphorization module, an intermediate water tank, an adsorption dephosphorization module and a water outlet tank which are arranged in a system shell in sequence, and an aeration fan module, a dephosphorization agent dosing module, a filter material regeneration agent dosing module and a controller which are arranged outside the system shell;
the pre-dephosphorization module comprises a cyclic aeration reaction unit and a filtering unit; the circulating aeration reaction unit is communicated with the filtering unit through a partition plate with a water through hole at the upper part; the filtering unit is communicated with the middle water tank through a partition plate with a water through hole at the lower part; the middle water tank is communicated with the adsorption dephosphorization module through a partition plate with a water through hole at the lower part; the adsorption dephosphorization module is communicated with the effluent pool through a partition plate, the upper part of which is simultaneously provided with a water collecting weir and a water through hole;
the aeration fan module comprises an air blower, a circulating aeration reaction unit aeration valve, a filtering unit backwashing aeration valve and an adsorption dephosphorization module backwashing aeration valve; the air blower is respectively connected with the cyclic aeration reaction unit, the filtering unit and the adsorption phosphorus removal module through the cyclic aeration reaction unit aeration valve, the filtering unit backwashing aeration valve and the adsorption phosphorus removal module backwashing aeration valve;
the dephosphorization agent dosing module is used for providing a dephosphorization agent for the cyclic aeration reaction unit;
the filter material regeneration medicament dosing module is used for providing a filter material regeneration medicament for the adsorption dephosphorization module;
the controller is used for realizing chain reaction control of the system.
The utility model discloses in, the controller with dephosphorization medicament case level gauge, regeneration medical kit level gauge, middle pond level gauge, play pond level gauge all carry out the electricity and connect, and the liquid level in each module that detects through the level gauge and each pond changes, controls the start-up or the closing of the valve that sets up in above-mentioned each module and each pond to and the start-up or the closing of above-mentioned each drain pump.
In one example, the cyclic aeration reaction unit is provided with a first aeration mixing chamber, a second aeration mixing chamber, a sewage inlet, a medicine distribution mixer and a cyclic aeration reaction unit aeration pipe;
the first aeration mixing chamber is communicated with the second aeration mixing chamber through a partition plate with a water through hole at the lower part; the sewage inlet is arranged at the upper part of the side wall of the system shell at the water inlet side of the first aeration mixing chamber; the aeration pipe of the cyclic aeration reaction unit is arranged at the bottom of the cyclic aeration reaction unit, which is communicated with the first aeration mixing chamber and the second aeration mixing chamber;
the air blower is connected with the aeration pipe of the cyclic aeration reaction unit through the aeration valve of the cyclic aeration reaction unit.
In one example, the phosphorus removal agent dosing module is provided with a phosphorus removal agent tank, a phosphorus removal agent pump, a phosphorus removal agent tank level gauge and a phosphorus removal dosing tube; the detection end of the liquid level meter of the phosphorus removal reagent box is arranged in the phosphorus removal reagent box; the phosphorus removal agent box, the phosphorus removal agent pump and the phosphorus removal dosing pipe are sequentially connected;
and a water inlet pipe of the medicine distribution mixer is simultaneously communicated with the sewage inlet and the phosphorus removal medicine adding pipe.
In one example, the drain of the applicator mixer is a perforated drain.
The utility model discloses in, the intensive mixing of sewage and dephosphorization medicament can be realized to the cloth medicine blender, improves follow-up reaction efficiency.
In one example, the filter unit is provided with a light filter material upper baffle, a light filter material layer, a light filter material lower baffle, a filter unit backwashing aeration pipe and a filter unit sludge collection inclined plate from top to bottom in sequence;
the adsorption and phosphorus removal module is sequentially provided with an adsorption and phosphorus removal filter material baffle, an adsorption and phosphorus removal filter material layer, a filter material supporting layer, a supporting layer baffle, a water inlet filter head, an adsorption and phosphorus removal module aerator pipe and an adsorption and phosphorus removal module sludge collection inclined plate from top to bottom;
the filter unit sludge collection inclined plate and the adsorption dephosphorization module sludge collection inclined plate respectively comprise a first end and a second end, and the first end is higher than the second end; the second end of the filter unit mud collection inclined plate is arranged at a water through hole communicated with the filter unit and the middle water tank; the second end of the sludge collecting inclined plate of the adsorption and phosphorus removal module is arranged at a water through hole communicated with the adsorption and phosphorus removal module in the middle water tank;
the air blower is connected with the backwashing aeration pipe of the filtering unit through the backwashing aeration valve of the filtering unit; carrying out air washing on the light filter material through the backwashing aeration pipe of the filter unit;
the air blower is connected with the aeration pipe of the adsorption and dephosphorization module through the backwashing aeration valve of the adsorption and dephosphorization module. Carrying out air flushing on the adsorption and phosphorus removal filter material through the adsorption and phosphorus removal module aeration pipe;
in one example, a filter unit backwashing regulating valve is further arranged on a pipeline connecting the filter unit backwashing aeration valve and the filter unit backwashing aeration pipe;
and a backwashing regulation valve of the absorption phosphorus removal module is also arranged on a pipeline connecting the backwashing aeration valve of the absorption phosphorus removal module and the aeration pipe of the absorption phosphorus removal module.
In one example, the filter material regeneration medicament dosing module is provided with a regeneration medicament box, a regeneration medicament feeding pump, a regeneration medicament box liquid level meter and a regeneration medicament feeding pipe;
the detection end of the regenerated medicine box liquid level meter is arranged in the regenerated medicine box; the regeneration medicine box, the regeneration medicine feeding pump and the regeneration medicine feeding pipe are sequentially connected; the regeneration dosing pipe is connected into the adsorption dephosphorization module through a dosing inlet arranged at the top of the system shell corresponding to the adsorption dephosphorization module.
In one example, the middle water tank is provided with a filtering unit side water tank, an adsorption phosphorus removal module side water tank, a sealing manhole, a backwashing sludge discharge main pipe, a filtering unit side sludge discharge branch pipe, an adsorption phosphorus removal module side sludge discharge branch pipe, a filtering unit backwashing drainage pump, an adsorption phosphorus removal module backwashing drainage pump and a middle water tank liquid level meter;
the filter unit side water tank and the adsorption dephosphorization module side water tank are communicated through a partition plate with a water through hole at the upper part; the sealing manhole is arranged at the top of the system shell corresponding to the middle water tank, so that the top of the system shell corresponding to the middle water tank is sealed;
one end of the backwashing sludge discharge main pipe is arranged at the upper part of the middle water tank communicated with the water tank at the side of the filtering unit and the water tank at the side of the adsorption phosphorus removal module and is simultaneously communicated with one end of the sludge discharge branch pipe at the side of the filtering unit and one end of the sludge discharge branch pipe at the side of the adsorption phosphorus removal module; the other end of the backwashing sludge discharge main pipe penetrates through the sealing manhole and is connected to sewage and sludge collecting equipment arranged outside the system shell; the other end of the filter unit side sludge discharge branch pipe is connected with the filter unit backwashing drainage pump, and the other end of the adsorption and dephosphorization module side sludge discharge branch pipe is connected with the adsorption and dephosphorization module backwashing drainage pump.
In one example, the filter unit side sludge discharge branch pipe and the adsorption dephosphorization module side sludge discharge branch pipe are provided with sludge discharge pipe one-way valves.
In one example, the effluent pool is provided with an effluent pool liquid level meter, an effluent discharge pump and an effluent discharge pipe; the detection end of the effluent pool liquid level meter is arranged in the effluent pool; the water outlet external discharge pump is arranged at the bottom of the water outlet pool and is connected to water outlet collecting equipment arranged outside the system shell through the water outlet drain pipe.
The utility model discloses in, the normal use flow of system includes following step:
s1: opening an aeration valve and a blower of the cyclic aeration reaction unit; feeding sewage and a phosphorus removal agent into the medicine distribution mixer through a sewage inlet and a phosphorus removal medicine feeding pipe respectively for mixing, feeding the mixture into a first aeration mixing chamber of the cyclic aeration reaction unit, and fully mixing the mixture through the aeration action of the first aeration mixing chamber and a second aeration mixing chamber to form a floc mixture; the floc mixture enters the filtering unit through a water through hole communicated between the cyclic aeration reaction unit and the filtering unit;
s2: the floc mixture passes through a light filter material layer from top to bottom in the filtering unit, so that most flocs in the floc mixture are retained in the light filter material layer, the phosphorus concentration in the floc mixture is reduced, and a filtered liquid enters the adsorption dephosphorization module through the intermediate water tank;
s3: the filtered liquid passes through an adsorption dephosphorization filter material layer from bottom to top in the adsorption dephosphorization module, so that the phosphorus concentration in the filtered liquid is further reduced, effluent is obtained and enters the effluent pool through the water collection weir;
s4: the effluent exits the system through the effluent drain.
The utility model discloses in, when the system is operating, when the middle pond liquid level rise to first liquid level value and last preset time, perhaps, when the system reaches the backwash cycle, the system gets into the backwash stage. The process of backwashing the system comprises the following steps: the method comprises the following steps that water inflow of a system is stopped, an aeration valve of a cyclic aeration reaction unit is closed, a backwashing aeration valve of a filtering unit is opened, a backwashing aeration valve of an adsorption phosphorus removal module is opened → continuous aeration is carried out for 0-30 min (preferably 10min) → a backwashing drainage pump of the filtering unit and a backwashing drainage pump of the adsorption phosphorus removal module are started → the liquid level of an intermediate water tank is reduced to a third liquid level value, an air blower is closed, the backwashing aeration valve of the filtering unit is closed, the backwashing aeration valve of the adsorption phosphorus removal module is closed, the backwashing drainage pump of the adsorption phosphorus removal module is closed → the backwashing drainage pump of the filtering unit is continuously drained for 0-30 min (preferably 10min) → the backwashing drainage pump of the filtering unit is closed, the aeration valve of the cyclic aeration reaction unit is opened, the air blower is opened, and the normal use flow of the system is recovered.
In the present invention, the first level value is 2.2 m; the second liquid level value is 1.8 m; the third liquid level value is 0.3 m. The preset time is 0-60 min, and preferably 30 min. The backwashing period is 0-168 h, preferably 24 h.
In the utility model, in the normal use process of the system, the adsorption and dephosphorization filter material needs to be regenerated every 0-180d (preferably 90d) of regeneration period, and the method is as follows: using the filter material regeneration medicament dosing module to provide a filter material regeneration medicament for the adsorption dephosphorization module; the process comprises the following steps: the system stops water inflow, an aeration valve of a cyclic aeration reaction unit is closed, a backwashing aeration valve of an adsorption phosphorus removal module is opened → a backwashing drainage pump of the adsorption phosphorus removal module is started → the liquid level of an intermediate water tank is reduced to a second liquid level value, a backwashing drainage pump of the adsorption phosphorus removal module is closed → a regenerative medicine feeding pump is started → a regenerative medicine feeding pump is closed after continuous medicine feeding for 0-90 min (preferably 30min) → an air blower is closed after running for 15min, the backwashing aeration valve of the adsorption phosphorus removal module is closed, a regenerative medicament is enabled to continuously soak the adsorption phosphorus removal filter material for 0-120 min (preferably 60min) → the backwashing drainage pump of the adsorption phosphorus removal module is started, the liquid level of the intermediate water tank is reduced to a third liquid level value → a backwashing drainage pump of the adsorption phosphorus removal module is closed, the aeration valve of the cyclic aeration reaction unit is opened, the air blower is opened, and the normal use flow of the system is recovered.
The present invention will be specifically described below with reference to examples.
In the following examples of the present invention,
the dephosphorization agent of the dephosphorization agent dosing module is polyaluminium chloride;
the filter material regeneration agent of the filter material regeneration agent dosing module is strong acid or strong base well known by the technical personnel in the field;
the light filter material used in the light filter material layer is a fiber ball filter material produced by Jiangsu De Fuqi environmental protection equipment company;
the adsorption dephosphorization filter material used by the adsorption dephosphorization filter material layer is a PARM adsorption dephosphorization filler produced by Beijing Xinwei Bokejiu.
Example 1
The embodiment provides a high-efficiency phosphorus removal device for advanced wastewater treatment, and as shown in fig. 1, the system comprises a pre-phosphorus removal module 1, an intermediate water tank 2, an adsorption phosphorus removal module 3 and a water outlet tank 4 which are sequentially arranged in a system shell, and an aeration fan module 5, a phosphorus removal medicament dosing module 6, a filter material regeneration medicament dosing module 7 and a controller (not shown) which are arranged outside the system shell;
the pre-dephosphorization module 1 comprises a cyclic aeration reaction unit 1.1 and a filtering unit 1.2; the circulating aeration reaction unit 1.1 is communicated with the filtering unit 1.2 through a partition plate with a water through hole at the upper part; the filtering unit 1.2 is communicated with the middle water tank 2 through a partition plate with a water through hole at the lower part; the middle water tank 2 is communicated with the adsorption dephosphorization module 3 through a partition plate with a water through hole at the lower part; the adsorption dephosphorization module 3 is communicated with the effluent pool 4 through a partition plate which is provided with a water collecting weir 3.8 and a water through hole at the upper part at the same time;
specifically, the cyclic aeration reaction unit 1.1 is provided with a first aeration mixing chamber 1.3, a second aeration mixing chamber 1.4, a sewage inlet 1.5, a medicine distribution mixer 1.6 and a cyclic aeration reaction unit aeration pipe 1.7; the first aeration mixing chamber 1.3 is communicated with the second aeration mixing chamber 1.4 through a partition plate with a water through hole at the lower part; the sewage inlet 1.5 is arranged at the upper part of the side wall of the system shell at the water inlet side of the first aeration mixing chamber 1.3; the aeration pipe 1.7 of the cyclic aeration reaction unit is arranged at the bottom of the cyclic aeration reaction unit 1.1, which is communicated with the first aeration mixing chamber 1.3 and the second aeration mixing chamber 1.4.
The dephosphorization agent dosing module 6 is used for providing dephosphorization agents to the cyclic aeration reaction unit 1.1; the phosphorus removal agent dosing module 6 is provided with a phosphorus removal agent box 6.1, a phosphorus removal agent pump 6.2, a phosphorus removal agent box liquid level meter 6.3 and a phosphorus removal dosing pipe 6.4; the detection end of the liquid level meter 6.3 of the phosphorus removal reagent box is arranged in the phosphorus removal reagent box 6.1; the phosphorus removal agent box 6.1, the phosphorus removal agent pump 6.2 and the phosphorus removal agent feeding pipe 6.3 are sequentially connected; the water inlet pipe of the medicine distribution mixer 1.6 is simultaneously communicated with the sewage inlet 1.5 and the phosphorus removal medicine adding pipe 6.3. The water discharge pipe of the medicine distribution mixer 1.6 is a perforated water discharge pipe.
The filter unit 1.2 is sequentially provided with a light filter material upper baffle 1.8, a light filter material layer 1.9, a light filter material lower baffle 1.20, a filter unit backwashing aerator pipe 1.21 and a filter unit sludge collecting inclined plate 1.22 from top to bottom; the adsorption and phosphorus removal module 3 is sequentially provided with an adsorption and phosphorus removal filter material baffle 3.1, an adsorption and phosphorus removal filter material layer 3.2, a filter material supporting layer 3.3, a supporting layer baffle 3.4, a water inlet filter head 3.5, an adsorption and phosphorus removal module aeration pipe 3.6 and an adsorption and phosphorus removal module sludge collection inclined plate 3.7 from top to bottom; the filter unit sludge collection inclined plate 1.22 and the adsorption and dephosphorization module sludge collection inclined plate 3.7 both comprise a first end and a second end, and the first end is higher than the second end; the second end of the filter unit mud collecting inclined plate 1.22 is arranged at a water through hole communicated with the filter unit 1.2 and the intermediate water tank 2; and the second end of the sludge-collecting sloping plate 3.7 of the adsorption and phosphorus removal module is arranged at a water through hole communicated with the adsorption and phosphorus removal module 3 in the middle water tank 2.
The filter material regeneration medicament dosing module 7 is used for providing a filter material regeneration medicament for the adsorption dephosphorization module 3; the filter material regeneration medicament dosing module 7 is provided with a regeneration medicament box 7.1, a regeneration medicament feeding pump 7.2, a regeneration medicament box liquid level meter 7.3 and a regeneration medicament feeding pipe 7.4; the detection end of the regenerated medicine box liquid level meter 7.3 is arranged in the regenerated medicine box 7.1; the regeneration medicine box 7.1, the regeneration medicine feeding pump 7.2 and the regeneration medicine feeding pipe 7.3 are connected in sequence; the regeneration dosing pipe 7.3 is connected to the inside of the adsorption phosphorus removal module 3 through a dosing inlet arranged at the top of the system shell corresponding to the adsorption phosphorus removal module 3.
The middle water tank 2 is provided with a filtering unit side water tank 2.1, an adsorption phosphorus removal module side water tank 2.2, a sealing manhole 2.3, a backwashing sludge discharge main pipe 2.4, a filtering unit side sludge discharge branch pipe 2.5, an adsorption phosphorus removal module side sludge discharge branch pipe 2.6, a filtering unit backwashing drainage pump 2.7, an adsorption phosphorus removal module backwashing drainage pump 2.8 and a middle water tank liquid level meter 2.9; the filter unit side water tank 2.1 and the adsorption dephosphorization module side water tank 2.2 are communicated through a partition plate with a water through hole at the upper part; the sealing manhole 2.3 is arranged at the top of the system shell corresponding to the middle water pool 2; one end of the backwashing sludge discharge main pipe 2.4 is arranged at the upper part of the middle water tank communicated with the filtering unit side water tank 2.1 and the adsorption and dephosphorization module side water tank 2.2 and is simultaneously communicated with one end of the filtering unit side sludge discharge branch pipe 2.5 and one end of the adsorption and dephosphorization module side sludge discharge branch pipe 2.6; the other end of the backwashing sludge discharge main pipe 2.4 penetrates through the sealing manhole 2.3 to be connected to sewage sludge collection equipment arranged outside the system shell; the other end of the filter unit side sludge discharge branch pipe 2.5 is connected with the filter unit backwashing drainage pump 2.7, and the other end of the adsorption and phosphorus removal module side sludge discharge branch pipe 2.6 is connected with the adsorption and phosphorus removal module backwashing drainage pump 2.8. And the filter unit side sludge discharge branch pipe 2.5 and the absorption dephosphorization module side sludge discharge branch pipe 2.6 are respectively provided with a sludge discharge pipe one-way valve 2.10.
The water outlet pool 4 is provided with a water outlet pool liquid level meter 4.1, a water outlet discharge pump 4.2 and a water outlet drain pipe 4.3; the detection end of the effluent pool liquid level meter 4.1 is arranged in the effluent pool 4; the effluent discharge pump 4.2 is arranged at the bottom of the effluent pool 4 and is connected to effluent collecting equipment arranged outside the system shell through the effluent discharge pipe 4.3.
The aeration fan module 5 comprises an air blower 5.1, a cyclic aeration reaction unit aeration valve 5.2, a filter unit backwashing regulating valve 5.5, an adsorption dephosphorization module backwashing regulating valve 5.6, a filter unit backwashing aeration valve 5.3 and an adsorption dephosphorization module backwashing aeration valve 5.4; the air blower 5.1 is connected with an aeration pipe of the cyclic aeration reaction unit through an aeration valve 5.2 of the cyclic aeration reaction unit; the air blower 5.1 is connected with the backwashing aeration pipe of the filtering unit sequentially through the backwashing aeration valve 5.3 of the filtering unit and the backwashing regulating valve 5.5 of the filtering unit; the air blower 5.1 is connected with the aeration pipe of the absorption dephosphorization module sequentially through the backwashing aeration valve 5.4 of the absorption dephosphorization module and the backwashing regulating valve 5.6 of the absorption dephosphorization module.
The controller is used for realizing chain reaction control of the system. In this embodiment, the controller is electrically connected to the phosphorus removal chemical tank level gauge 6.3, the regeneration chemical tank level gauge 7.3, the intermediate tank level gauge 2.9, and the effluent tank level gauge 4.1, and controls the start or the close of the valves provided in each module and each tank and the start or the close of each drain pump according to the liquid level changes in each module and each tank detected by the level gauges.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. The efficient phosphorus removal device for advanced sewage treatment is characterized by comprising a pre-phosphorus removal module, an intermediate water tank, an adsorption phosphorus removal module and a water outlet tank which are sequentially arranged in a system shell, and an aeration fan module, a phosphorus removal medicament dosing module, a filter material regeneration medicament dosing module and a controller which are arranged outside the system shell;
the pre-dephosphorization module comprises a cyclic aeration reaction unit and a filtering unit; the circulating aeration reaction unit is communicated with the filtering unit through a partition plate with a water through hole at the upper part; the filtering unit is communicated with the middle water tank through a partition plate with a water through hole at the lower part; the middle water tank is communicated with the adsorption dephosphorization module through a partition plate with a water through hole at the lower part; the adsorption dephosphorization module is communicated with the effluent pool through a partition plate, the upper part of which is simultaneously provided with a water collecting weir and a water through hole;
the aeration fan module comprises an air blower, a cyclic aeration reaction unit aeration valve, a filtering unit backwashing aeration valve and an adsorption dephosphorization module backwashing aeration valve; the air blower is respectively connected with the cyclic aeration reaction unit, the filtering unit and the adsorption phosphorus removal module through the cyclic aeration reaction unit aeration valve, the filtering unit backwashing aeration valve and the adsorption phosphorus removal module backwashing aeration valve;
the dephosphorization agent dosing module is used for providing a dephosphorization agent for the cyclic aeration reaction unit;
the filter material regeneration medicament dosing module is used for providing a filter material regeneration medicament for the adsorption dephosphorization module;
the controller is used for realizing chain reaction control of the system.
2. The advanced wastewater treatment efficient phosphorus removal device as claimed in claim 1, wherein the cyclic aeration reaction unit is provided with a first aeration mixing chamber, a second aeration mixing chamber, a wastewater inlet, a chemical distribution mixer and an aeration pipe of the cyclic aeration reaction unit;
the first aeration mixing chamber is communicated with the second aeration mixing chamber through a partition plate with a water through hole at the lower part; the sewage inlet is arranged at the upper part of the side wall of the system shell at the water inlet side of the first aeration mixing chamber; the aeration pipe of the cyclic aeration reaction unit is arranged at the bottom of the cyclic aeration reaction unit, which is communicated with the first aeration mixing chamber and the second aeration mixing chamber;
the air blower is connected with the aeration pipe of the cyclic aeration reaction unit through the aeration valve of the cyclic aeration reaction unit.
3. The efficient phosphorus removal device for advanced wastewater treatment according to claim 2, wherein the phosphorus removal agent dosing module is provided with a phosphorus removal agent box, a phosphorus removal agent pump, a phosphorus removal agent box liquid level meter and a phosphorus removal dosing pipe; the detection end of the liquid level meter of the phosphorus removal reagent box is arranged in the phosphorus removal reagent box; the phosphorus removal agent box, the phosphorus removal agent pump and the phosphorus removal dosing pipe are sequentially connected;
and a water inlet pipe of the medicine distribution mixer is simultaneously communicated with the sewage inlet and the phosphorus removal medicine adding pipe.
4. The efficient phosphorus removal device for advanced wastewater treatment according to claim 3, wherein the drainage pipe of the chemical distribution mixer is a perforated drainage pipe.
5. The efficient phosphorus removal device for advanced wastewater treatment according to claim 1,
the filter unit is sequentially provided with a light filter material upper baffle, a light filter material layer, a light filter material lower baffle, a filter unit backwashing aeration pipe and a filter unit sludge collection inclined plate from top to bottom;
the adsorption and phosphorus removal module is sequentially provided with an adsorption and phosphorus removal filter material baffle, an adsorption and phosphorus removal filter material layer, a filter material supporting layer, a supporting layer baffle, a water inlet filter head, an adsorption and phosphorus removal module aerator pipe and an adsorption and phosphorus removal module sludge collection inclined plate from top to bottom;
the filter unit sludge collection inclined plate and the adsorption dephosphorization module sludge collection inclined plate respectively comprise a first end and a second end, and the first end is higher than the second end; the second end of the filter unit mud collecting inclined plate is arranged at a water passing hole communicated with the filter unit and the middle water tank; the second end of the sludge collecting inclined plate of the adsorption and phosphorus removal module is arranged at a water through hole communicated with the adsorption and phosphorus removal module in the middle water tank;
the air blower is connected with the backwashing aeration pipe of the filtering unit through the backwashing aeration valve of the filtering unit;
the air blower is connected with the aeration pipe of the adsorption and dephosphorization module through the backwashing aeration valve of the adsorption and dephosphorization module.
6. The efficient phosphorus removal device for advanced wastewater treatment according to claim 5,
a filter unit backwashing regulating valve is also arranged on a pipeline connecting the filter unit backwashing aeration valve and the filter unit backwashing aeration pipe;
and a backwashing regulation valve of the absorption and phosphorus removal module is also arranged on a pipeline connecting the backwashing aeration valve of the absorption and phosphorus removal module and the aeration pipe of the absorption and phosphorus removal module.
7. The efficient phosphorus removal device for advanced wastewater treatment according to claim 5, wherein the filter material regeneration medicament dosing module is provided with a regeneration medicament box, a regeneration medicament feeding pump, a regeneration medicament box liquid level meter and a regeneration medicament feeding pipe;
the detection end of the regenerated medicine box liquid level meter is arranged in the regenerated medicine box; the regeneration medicine box, the regeneration medicine feeding pump and the regeneration medicine feeding pipe are sequentially connected; the regeneration dosing pipe is connected into the adsorption dephosphorization module through a dosing inlet arranged at the top of the system shell corresponding to the adsorption dephosphorization module.
8. The advanced wastewater treatment efficient phosphorus removal device of claim 1, wherein the intermediate tank is provided with a filtration unit side tank, an adsorption phosphorus removal module side tank, a sealing manhole, a backwash sludge discharge main pipe, a filtration unit side sludge discharge branch pipe, an adsorption phosphorus removal module side sludge discharge branch pipe, a filtration unit backwash drain pump, an adsorption phosphorus removal module backwash drain pump and an intermediate tank level meter;
the filter unit side water tank and the adsorption dephosphorization module side water tank are communicated through a partition plate with a water through hole at the upper part; the sealing manhole is arranged at the top of the system shell corresponding to the middle water pool;
one end of the backwashing sludge discharge main pipe is arranged at the upper part of the middle water tank communicated with the water tank at the side of the filtering unit and the water tank at the side of the adsorption and dephosphorization module and is simultaneously communicated with one end of the sludge discharge branch pipe at the side of the filtering unit and one end of the sludge discharge branch pipe at the side of the adsorption and dephosphorization module; the other end of the backwashing sludge discharge main pipe penetrates through the sealing manhole and is connected to sewage and sludge collecting equipment arranged outside the system shell; the other end of the filter unit side sludge discharge branch pipe is connected with the filter unit backwashing drainage pump, and the other end of the adsorption and dephosphorization module side sludge discharge branch pipe is connected with the adsorption and dephosphorization module backwashing drainage pump.
9. The efficient phosphorus removal device for advanced wastewater treatment according to claim 8, wherein the sludge discharge pipe check valves are arranged on the sludge discharge branch pipe on the filtration unit side and the sludge discharge branch pipe on the phosphorus removal module side.
10. The efficient phosphorus removal device for advanced wastewater treatment according to claim 1, wherein the effluent pool is provided with an effluent pool liquid level meter, an effluent discharge pump and an effluent discharge pipe; the detection end of the effluent pool liquid level meter is arranged in the effluent pool; the water outlet external discharge pump is arranged at the bottom of the water outlet pool and is connected to water outlet collecting equipment arranged outside the system shell through the water outlet drain pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123253540.5U CN216584533U (en) | 2021-12-22 | 2021-12-22 | Efficient phosphorus removal device for advanced sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123253540.5U CN216584533U (en) | 2021-12-22 | 2021-12-22 | Efficient phosphorus removal device for advanced sewage treatment |
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| CN216584533U true CN216584533U (en) | 2022-05-24 |
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| CN202123253540.5U Active CN216584533U (en) | 2021-12-22 | 2021-12-22 | Efficient phosphorus removal device for advanced sewage treatment |
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