CN216336637U - Sewage deoxidation dephosphorization treatment device - Google Patents
Sewage deoxidation dephosphorization treatment device Download PDFInfo
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- CN216336637U CN216336637U CN202121505595.8U CN202121505595U CN216336637U CN 216336637 U CN216336637 U CN 216336637U CN 202121505595 U CN202121505595 U CN 202121505595U CN 216336637 U CN216336637 U CN 216336637U
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Abstract
The utility model belongs to the technical field of sewage treatment, and discloses a sewage deoxidation and dephosphorization treatment device. The device comprises a PE filler module and a logic operation circuit module; the PE filler module is arranged in the stainless steel reactor and comprises PE fillers and anode plates arranged among the PE fillers at intervals; the logic operation circuit module is arranged in the PLC control box together with the power supply; the anode and the cathode of the power supply are respectively connected with the anode plate and the shell of the stainless steel reactor; and the logic operation circuit module is in signal and control connection with a pressure gauge and a power supply which are arranged on a water inlet pipeline of the stainless steel reactor through signal cables. The device can be applied to a sewage treatment system with high dissolved oxygen of inlet water and large phosphorus load, and is arranged between an MBR process and an advanced treatment unit, so that the high-efficiency denitrification and dephosphorization treatment effect is ensured.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a sewage deoxidation and dephosphorization treatment device.
Background
With the increasing requirements of the masses on the quality of living environment, the quality of sewage treatment water in various regions is correspondingly improved, and the requirement on the discharge limit of nitrogen and phosphorus pollutants is particularly strict. In sewage treatment plants in large cities and towns and wide rural sewage treatment stations, different advanced treatment units for removing nitrogen and phosphorus are added after the MBR process; however, MBR produced water is affected by technological factors, often has the characteristic of high dissolved oxygen content, which can reach 6-9 mg/L, and seriously affects the nitrogen and phosphorus removal effect of the advanced treatment unit.
The removal of phosphorus is divided into two processes of chemical phosphorus removal and biological phosphorus removal; biological phosphorus removal is a relatively economic method, but the biological phosphorus removal cannot be stable and is influenced by factors such as large rural domestic sewage fluctuation, complex terrain, temperature and the like, and the process characteristics cannot ensure that the stability reaches the standard requirement of rural effluent of 0.3mg/L at present; the basic principle of the chemical phosphorus removal method is that insoluble phosphate precipitate is formed by adding chemical agents, and finally phosphorus is removed from sewage by a solid-liquid separation method. The method has the advantages of simple operation, good phosphorus removal effect, 80-90% of treatment efficiency and stable effect. However, the method has the defects of large dosage, high automatic dosing control difficulty, incapability of automatically feeding with the fluctuation amount of water quality, high investment cost, large chemical sludge generation, high possibility of damaging the sludge activity due to overlarge feeding amount and the like, and is difficult to apply in rural water quality sensitive areas.
In view of the above problems, there is a need for technical innovation, and a new sewage deoxidation and dephosphorization treatment device and method are provided. On one hand, the dissolved oxygen of the water produced by the pretreatment unit is reduced, and the nitrogen and phosphorus removal effect of the advanced treatment unit is guaranteed; on the other hand, before the advanced treatment unit, the adsorption removal of phosphorus is carried out in one step, so that the pressure of subsequent phosphorus treatment is reduced, a better treatment effect is realized, and the adverse effects of biological treatment and chemical phosphorus removal are overcome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sewage deoxidation and dephosphorization treatment device aiming at the defects of the prior art. The device can be applied to a sewage treatment system with high dissolved oxygen of inlet water and large phosphorus load, is arranged between an MBR process and an advanced treatment unit, ensures the high-efficiency denitrification and dephosphorization treatment effect, and has the advantages of simple structure, easy operation of an operation mode and high automation degree.
In order to realize the aim, the utility model provides a sewage deoxidation and dephosphorization treatment device, which comprises a PE filler module and a logic operation circuit module;
the PE filler module is arranged inside the stainless steel reactor; the PE filler module comprises PE fillers and anode plates arranged among the PE fillers at intervals;
the logic operation circuit module and the power supply are arranged in the PLC control box together; the anode and the cathode of the power supply are respectively connected with the anode plate and the shell of the stainless steel reactor; and the logic operation circuit module is in signal and control connection with a pressure gauge arranged on a water inlet pipeline of the stainless steel reactor and the power supply through a signal cable, and is used for realizing water inlet pressure feedback and start-stop control of the power supply.
Preferably, the device also comprises a water inlet pump, a water inlet flow meter, a sewage interception device and a manual backwashing water inlet flange port; the water inlet flowmeter, the pressure gauge, the sewage interception device and the manual backwashing water inlet flange port are sequentially arranged on a water inlet pipeline of the stainless steel reactor.
Preferably, one end of the water inlet pump is connected with one end of the stainless steel reactor water inlet pipeline close to the water inlet flow meter; the other end of the water inlet pump is connected with the MBR unit.
Preferably, the bottom of the stainless steel reactor is provided with a water inlet flange port, and the water inlet flange port is connected to a water inlet pipeline of the stainless steel reactor between the sewage interception device and the manual backwashing water inlet flange port.
Preferably, one side of the manual backwashing water inlet flange port, which is far away from the sewage interceptor, is connected with a manual backwashing auxiliary device.
Preferably, the sewage interception device is a PP cotton filter element sewage interception device, and the precision of the sewage interception device is 350-1000 meshes.
Preferably, the top of the stainless steel reactor is provided with a water outlet flange port and an automatic backwashing water outlet flange port, and one side of the automatic backwashing water outlet flange port, which is far away from the top of the stainless steel reactor, is connected with a backwashing water outlet electric valve; and one side of the water outlet flange port, which is far away from the top of the stainless steel reactor, is connected with a nitrogen and phosphorus removal advanced treatment unit.
Preferably, the PE packing modules are arranged on a strip pallet inside the stainless steel reactor.
Preferably, a deoxidizing and dephosphorizing composite filter material is arranged in the PE filler.
Preferably, the power supply is a 0-220V direct current pulse power supply; the working voltage of the power supply is 12V-24V, the working current is 10-20A, the frequency is 0-10Hz, and the duty ratio is 50-90; the power supply is provided with a digital display screen.
The technical scheme of the utility model has the following beneficial effects:
(1) the utility model can realize the judgment of the operation fault of the device through various judgment operation modes.
(2) The device has simple structure and easy installation, and the PE filler module is arranged in the device, so that the filler is easy to replace. Particularly, the novel electrochemical deoxidation and dephosphorization composite filter material realizes the effective treatment of phosphorus and ultrahigh dissolved oxygen in the sewage.
(3) By using the device, the dissolved oxygen can be reduced, excessive addition of a carbon source is avoided, and the medicament cost is saved; and the phosphorus removal effect can be achieved without adding phosphorus removal agents;
(4) the device can realize the automatic control starting and stopping of the power supply according to a set value, and improves the water inlet deoxidation and dephosphorization efficiency of the device, thereby efficiently improving the overall performance and efficiency of the sewage treatment system;
(5) the device can automatically push alarm warnings according to a set value, and prompts operators to maintain the device and judge the operation condition of each processing device; the operating personnel can control the operation conditions of the device and the sewage treatment system in real time through the online monitoring system, so that the labor investment is reduced, and the operation and maintenance cost is reduced.
Additional features and advantages of the utility model will be set forth 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.
FIG. 1 shows a schematic diagram of a sewage deoxygenation and dephosphorization treatment apparatus provided in embodiment 1 of the present invention.
The reference numerals are explained below:
1-a water inlet pump; 2-a pressure gauge; 3-a sewage interception device; 4-stainless steel reactor; 5-a PLC control box; 6-a power supply; 7-water outlet flange port; 8-automatically backwashing the water outlet flange port; 9-PE filler; 10-an anode plate; 11-deoxidation and dephosphorization composite filter material; 12-a strip-shaped supporting plate; 13-water inlet flange port; 14-manually backwashing a water inlet flange port; 15-shell of stainless steel reactor; 16-backwash water outlet electric valve; 17-water inflow meter.
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 limited by 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 utility model to those skilled in the art.
The utility model provides a sewage deoxidation and dephosphorization treatment device, which comprises a PE filler module and a logic operation circuit module;
the PE filler module is arranged inside the stainless steel reactor; the PE filler module comprises PE fillers and anode plates arranged among the PE fillers at intervals;
the logic operation circuit module and the power supply are arranged in the PLC control box together; the anode and the cathode of the power supply are respectively connected with the anode plate and the shell of the stainless steel reactor; and the logic operation circuit module is in signal and control connection with a pressure gauge arranged on a water inlet pipeline of the stainless steel reactor and the power supply through a signal cable, and is used for realizing water inlet pressure feedback and start-stop control of the power supply.
In one example, the device further comprises a water inlet pump, a water inlet flow meter, a sewage interceptor and a manual backwashing water inlet flange port; the water inlet flowmeter, the pressure gauge, the sewage interception device and the manual backwashing water inlet flange port are sequentially arranged on a water inlet pipeline of the stainless steel reactor.
In one example, one end of the water inlet pump is connected with one end of the stainless steel reactor water inlet pipeline close to the water inlet flow meter; the other end of the water inlet pump is connected with the MBR unit.
In one example, the bottom of the stainless steel reactor is provided with a water inlet flange port, and the water inlet flange port is connected to a water inlet pipeline of the stainless steel reactor between the sewage interception device and the manual backwashing water inlet flange port.
In one example, a manual backwashing auxiliary device is connected to one side, away from the sewage interceptor, of the manual backwashing water inlet flange opening.
In one example, the sewage interception device is a PP cotton filter element sewage interception device, and the precision of the sewage interception device is 350-1000 meshes.
In one example, the top of the stainless steel reactor is provided with a water outlet flange port and an automatic backwashing water outlet flange port, and one side of the automatic backwashing water outlet flange port, which is far away from the top of the stainless steel reactor, is connected with a backwashing water outlet electric valve; and one side of the water outlet flange port, which is far away from the top of the stainless steel reactor, is connected with a nitrogen and phosphorus removal advanced treatment unit.
In one example, the PE packing modules are disposed on a strip pallet inside a stainless steel reactor.
In one example, a deoxygenated and dephosphorized composite filter material is arranged in the PE filler. In the utility model, the deoxidation and dephosphorization composite filter material refers to a material which is well known by a person skilled in the art and meets the deoxidation and dephosphorization functions, and as a preferred scheme, the deoxidation and dephosphorization composite filter material refers to: based on the total weight of the composite filter material for removing oxygen and phosphorus, the composite filter material for removing oxygen and phosphorus comprises 80-88 wt% of sponge iron, 7-9 wt% of aluminum simple substance, 4-6 wt% of indium simple substance and 3-5 wt% of active carbon. The diameter of the sponge iron particles is 5-8 mm.
In one example, the power supply is a 0-220V DC pulsed power supply; the working voltage of the power supply is 12V-24V, the working current is 10-20A, the frequency is 0-10Hz, and the duty ratio is 50-90; the power supply is provided with a digital display screen.
In the utility model, the anode and the cathode of the power supply are respectively connected with the anode plate and the shell of the stainless steel reactor through cables.
The utility model also provides a sewage deoxidation and dephosphorization treatment method, which adopts the sewage deoxidation and dephosphorization treatment device and comprises a start-stop program for circularly controlling a power supply through the logic operation circuit module, an automatic backwashing program of the stainless steel reactor and a manual backwashing program of the stainless steel reactor, so that the PE filler module is utilized for carrying out the sewage deoxidation and dephosphorization treatment.
In one example, the step of controlling the start-stop program of the power supply through the logic operation circuit module comprises: and setting a power supply opening pressure set value and a power supply closing pressure set value for the logic operation circuit module, and enabling the logic operation circuit module to receive a water inlet pressure feedback value of the pressure gauge and control the start and stop of the power supply.
In one example, when the feedback value of the water inlet pressure is greater than or equal to the set value of the power supply opening pressure, the logic operation circuit module controls the power supply to be opened to perform the sewage deoxidation and dephosphorization treatment.
In one example, when the feedback value of the water inlet pressure is less than or equal to the set value of the power supply closing pressure, the logic operation circuit module controls the power supply to be closed, and the sewage deoxidation and dephosphorization treatment is stopped.
In one example, the power-on water inlet pressure setting is greater than the power-off water inlet pressure setting; the value ranges of the power supply opening water inlet pressure set value and the power supply closing water inlet pressure set value are respectively and independently 0-100 kPa.
In one example, the step of controlling an automatic backwash procedure of the stainless steel reactor by the logic operation circuit module comprises: and setting a preparation backwashing pressure set value and a shutdown backwashing pressure set value for the logic operation circuit module, and enabling the logic operation circuit module to receive a water inlet pressure feedback value and a pushing alarm prompt of the pressure gauge.
In one example, when the water inlet pressure feedback value is greater than or equal to the set backwashing pressure value, an alarm prompt for starting an automatic backwashing program for preparing the stainless steel reactor is pushed.
In one example, when the water inlet pressure feedback value is greater than or equal to the shutdown backwashing pressure set value, an alarm prompt for immediately performing an automatic backwashing program of the stainless steel reactor is pushed, and the automatic backwashing program of the stainless steel reactor is started.
In one example, the steps of the automatic backwash procedure for the stainless steel reactor comprise:
s1: after confirming that the instantaneous flow of the water inlet flow meter exceeds a flow threshold value and delaying for waiting, the logic operation circuit module controls the backwashing water outlet electric valve to be opened, and the automatic backwashing is carried out according to the set automatic backwashing duration;
s2: when the instantaneous flow of the water inlet flowmeter is smaller than a flow threshold value within the set automatic backwashing duration, the logic operation circuit module controls the backwashing water outlet electric valve to be closed, and one backwashing is finished; and after the instantaneous flow of the water inlet flow meter exceeds a flow threshold value, the logic operation circuit module controls the backwashing water outlet electric valve to be opened, and the next automatic backwashing is carried out until the automatic backwashing duration reaches the set automatic backwashing duration.
In the utility model, technicians can know the running state of the device by observing the numerical values (instantaneous flow and accumulated flow) uploaded to the logic operation circuit module in the PLC control box by the water inlet flowmeter. The instantaneous flow lasts for 24h and is 0, the system enters a water cut-off state, the system records the times once for 24h, and the system feeds back the water cut-off state, so that the device is pushed out to enter water cut-off state alarm information.
In one example, the step of the automatic backwash procedure of the stainless steel reactor further comprises recording the number of backwashes within the set automatic backwash duration and adding 1 for recording the number of backwashes.
In one example, the flow threshold is an instantaneous flow ≧ 0.1m3/h。
In one example, the delay wait time is 2-4 s.
In one example, the set automatic backwash time period is 5-15 min.
In one example, the shut down backwash pressure set point is greater than the ready backwash pressure set point; the numeric ranges of the preparation backwashing pressure set value and the shutdown backwashing pressure set value are respectively and independently 0-100 kPa.
In one example, the step of controlling a manual backwash procedure of the stainless steel reactor by the logic operation circuit module comprises: setting a manual backwashing pressure range value for the logic operation circuit module, and enabling the logic operation circuit module to receive a water inlet pressure feedback value of the pressure gauge;
in one example, when the water inlet pressure feedback value is greater than or equal to the manual backwashing pressure range value after the automatic backwashing procedure of the stainless steel reactor is completed, the manual backwashing procedure of the stainless steel reactor is performed.
In one example, the manual backwash pressure range value is from the minimum value of the preparation backwash pressure set value to the maximum value of the shutdown backwash pressure set value.
The present invention is specifically illustrated by the following examples.
Example 1
The embodiment provides a sewage deoxidation and dephosphorization treatment device, which is applied between a MBR unit and a denitrification and dephosphorization advanced treatment unit of a pretreatment unit + MBR unit + denitrification and dephosphorization advanced treatment unit of a certain rural sewage station treatment process and is installed at the front end of the denitrification and dephosphorization advanced treatment unit, as shown in FIG. 1, the device comprises a PE filler module, a logic operation circuit module (not shown), a water inlet pump 1, a water inlet flow meter 17, a sewage interceptor 3 and a manual backwashing water inlet flange port 14;
the PE filler module is arranged on a strip-shaped supporting plate 12 in the stainless steel reactor 4; the PE filler module comprises PE fillers 9, a deoxidation and dephosphorization composite filter material 11 arranged in the PE fillers 9 and anode plates 10 arranged among the PE fillers 9 at intervals;
the logic operation circuit module and the power supply 6 are arranged in the PLC control box 5; the positive electrode and the negative electrode of the power supply 6 are respectively connected with the anode plate 10 and the shell 15 of the stainless steel reactor through cables, that is, the shell 15 of the stainless steel reactor is used as the negative electrode plate in the embodiment. And the logic operation circuit module is in signal and control connection with a pressure gauge 2 arranged on a water inlet pipeline of the stainless steel reactor and the power supply 6 through a signal cable, and is used for realizing water inlet pressure feedback and start-stop control of the power supply 6.
The water inlet flowmeter 17, the pressure gauge 2, the sewage interceptor 3 and the manual backwashing water inlet flange port 14 are sequentially arranged on a water inlet pipeline of the stainless steel reactor; the sewage interception device 3 is a PP cotton filter element sewage interception device, the precision of the sewage interception device 3 is 800 meshes, and the filter element can be replaced regularly. The technician can know the running state of the device by observing the numerical values (instantaneous flow and accumulated flow) uploaded to the logic operation circuit module in the PLC control box 5 by the water inlet flowmeter 17. The instantaneous flow lasts for 24h and is 0, the system enters a water cut-off state, the system records the times once for 24h, and the system feeds back the water cut-off state, so that the device is pushed out to enter water cut-off state alarm information.
The bottom of the stainless steel reactor 4 is provided with a water inlet flange port 13 and is connected to a water inlet pipeline of the stainless steel reactor between the sewage interceptor 3 and the manual backwashing water inlet flange port 14 through the water inlet flange port 13;
one end of the water inlet pump 1 is connected with one end of the stainless steel reactor water inlet pipeline close to the water inlet flowmeter 17; the other end of the water inlet pump 1 is connected with an MBR unit;
one side of the manual backwashing water inlet flange port 14, which is far away from the sewage interceptor 3, is connected with manual backwashing auxiliary equipment;
the top of the stainless steel reactor 4 is provided with a water outlet flange port 7 and an automatic backwashing water outlet flange port 8, namely, the stainless steel reactor 4 adopts an upward flow mode. One side of the automatic backwashing water outlet flange port 8, which is far away from the top of the stainless steel reactor 4, is connected with a backwashing water outlet electric valve 16; and one side of the water outlet flange port 7, which is far away from the top of the stainless steel reactor 4, is connected with a nitrogen and phosphorus removal advanced treatment unit.
The power supply 6 is a 220V direct current pulse power supply; the working voltage of the power supply 6 is 12V-24V, the working current is 15A, the frequency is 0-10Hz, and the duty ratio is 50-90; the power supply 6 is provided with a digital display screen.
Example 2
The embodiment provides a method for performing deoxidation and dephosphorization treatment on sewage by using the deoxidation and dephosphorization treatment device of sewage described in embodiment 1, which comprises the steps of circularly controlling a start-stop program of a power supply 6, an automatic backwashing program of a stainless steel reactor 4 and a manual backwashing program of the stainless steel reactor 4 by using the logic operation circuit module, and further performing deoxidation and dephosphorization treatment on sewage by using the PE filler module.
The step of controlling the start-stop program of the power supply 6 through the logic operation circuit module comprises the following steps:
setting a power supply starting pressure set value and a power supply closing pressure set value for the logic operation circuit module, and enabling the logic operation circuit module to receive a water inlet pressure feedback value of the pressure gauge 2 and control the start and stop of the power supply 6; when the water inlet pressure feedback value is greater than or equal to the power supply starting pressure set value, the logic operation circuit module controls the power supply 6 to be started to perform the sewage deoxidation and dephosphorization treatment; based on the total weight of the deoxidation and dephosphorization composite filter material 11, the deoxidation and dephosphorization composite filter material 11 comprises 83 wt% of sponge iron, 8 wt% of aluminum simple substance, 5 wt% of indium simple substance and 4 wt% of active carbon; the diameter of the granules of the deoxidation and dephosphorization filter material 11 is 5-8 mm.
When the water inlet pressure feedback value is less than or equal to the power supply closing pressure set value, the logic operation circuit module controls the power supply 6 to be closed, and the sewage deoxidation and dephosphorization treatment is stopped;
the power supply is started, and the set value of the water inlet pressure is 25 kPa; and the power supply is turned off, and the set value of the water inlet pressure is 10 kPa.
The step of controlling the automatic backwashing program of the stainless steel reactor 4 through the logic operation circuit module comprises the following steps:
setting a set value of a prepared backwashing pressure of 45kPa and a set value of a shut-down backwashing pressure of 60kPa on the logic operation circuit module, and enabling the logic operation circuit module to receive a water inlet pressure feedback value and a push alarm prompt of the pressure gauge 2;
when the water inlet pressure feedback value is greater than or equal to the set value of the backwashing pressure of 45kPa, an alarm prompt of an automatic backwashing program for starting to prepare the stainless steel reactor 4 is pushed;
when the water inlet pressure feedback value is greater than or equal to the shut-down backwashing pressure set value 60kPa, pushing an alarm prompt for immediately carrying out an automatic backwashing program of the stainless steel reactor 4, and starting to carry out the automatic backwashing program of the stainless steel reactor 4;
the steps of the automatic backwash procedure of the stainless steel reactor 4 include:
s1: after confirming that the instantaneous flow of the water inlet flow meter 17 exceeds a flow threshold value and delaying for 3s, the logic operation circuit module controls the backwashing water outlet electric valve 16 to be opened, and the automatic backwashing is carried out according to the set automatic backwashing duration; the flow threshold is that the instantaneous flow is more than or equal to 0.1m3H; the set automatic backwashing duration is 10 min;
s2: when the instantaneous flow of the water inlet flowmeter 17 is smaller than the flow threshold value within the set automatic backwashing duration, the logic operation circuit module controls the backwashing water outlet electric valve 16 to close, and one backwashing is finished; after the instantaneous flow of the water inlet flowmeter 17 exceeds a flow threshold, the logic operation circuit module controls the backwashing water outlet electric valve 16 to be opened, and the next automatic backwashing is carried out until the automatic backwashing duration reaches the set automatic backwashing duration;
the step of controlling the manual backwashing program of the stainless steel reactor 4 through the logic operation circuit module comprises the following steps:
setting a manual backwashing pressure range value of 45-100 kPa for the logic operation circuit module, and enabling the logic operation circuit module to receive a water inlet pressure feedback value of the pressure gauge 2;
and after the automatic backwashing program of the stainless steel reactor is finished, when the water inlet pressure feedback value is greater than or equal to the manual backwashing pressure range value, performing the manual backwashing program of the stainless steel reactor 4.
The dissolved oxygen concentration of the sewage before treatment by the method is 7-9 mg/L, and the phosphorus concentration is 1.78-2.86 mg/L; the concentration of dissolved oxygen and the concentration of phosphorus in the sewage treated by the method of the embodiment are respectively 2-4 mg/L and 0.1-0.22 mg/L.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. 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. A sewage deoxidation and dephosphorization treatment device is characterized by comprising a PE filler module and a logic operation circuit module;
the PE filler module is arranged inside the stainless steel reactor; the PE filler module comprises PE fillers and anode plates arranged among the PE fillers at intervals;
the logic operation circuit module and the power supply are arranged in the PLC control box together; the anode and the cathode of the power supply are respectively connected with the anode plate and the shell of the stainless steel reactor; and the logic operation circuit module is in signal and control connection with a pressure gauge arranged on a water inlet pipeline of the stainless steel reactor and the power supply through a signal cable, and is used for realizing water inlet pressure feedback and start-stop control of the power supply.
2. The sewage deoxygenation and dephosphorization treatment device of claim 1, further comprising a water inlet pump, a water inlet flow meter, a sewage interception device and a manual backwashing water inlet flange port; the water inlet flowmeter, the pressure gauge, the sewage interception device and the manual backwashing water inlet flange port are sequentially arranged on a water inlet pipeline of the stainless steel reactor.
3. The deoxygenation and phosphorous removal device of claim 2, wherein one end of said water inlet pump is connected to one end of said stainless steel reactor water inlet line near said water inlet flow meter; the other end of the water inlet pump is connected with the MBR unit.
4. The deoxygenation and dephosphorization treatment device for sewage according to claim 2, wherein a water inlet flange port is arranged at the bottom of the stainless steel reactor, and is connected to a water inlet pipeline of the stainless steel reactor between the sewage interceptor and the manual backwashing water inlet flange port through the water inlet flange port.
5. The sewage deoxygenation and dephosphorization treatment device of claim 2, wherein a manual backwashing auxiliary device is connected to one side of the manual backwashing water inlet flange port, which is far away from the sewage interceptor.
6. The sewage deoxygenation and dephosphorization treatment device of claim 2, wherein the sewage interception device is a PP cotton filter element sewage interception device, and the precision of the sewage interception device is 350-1000 meshes.
7. The sewage deoxygenation and dephosphorization treatment device of claim 1, wherein a water outlet flange port and an automatic backwash water outlet flange port are arranged at the top of the stainless steel reactor, and a backwash water outlet electric valve is connected to one side of the automatic backwash water outlet flange port, which is far away from the top of the stainless steel reactor; and one side of the water outlet flange port, which is far away from the top of the stainless steel reactor, is connected with a nitrogen and phosphorus removal advanced treatment unit.
8. The sewage deoxygenation and phosphorous removal treatment device of claim 1, wherein the PE filler modules are disposed on strip-shaped support plates inside the stainless steel reactor.
9. The sewage deoxygenation and dephosphorization treatment device of claim 1, wherein a deoxygenation and dephosphorization composite filter material is arranged in the PE filler.
10. The sewage deoxygenation and dephosphorization treatment device of claim 1, wherein the power supply is a 0-220V dc pulse power supply; the working voltage of the power supply is 12V-24V, the working current is 10-20A, the frequency is 0-10Hz, and the duty ratio is 50-90; the power supply is provided with a digital display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121505595.8U CN216336637U (en) | 2021-07-02 | 2021-07-02 | Sewage deoxidation dephosphorization treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121505595.8U CN216336637U (en) | 2021-07-02 | 2021-07-02 | Sewage deoxidation dephosphorization treatment device |
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| CN216336637U true CN216336637U (en) | 2022-04-19 |
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| CN202121505595.8U Active CN216336637U (en) | 2021-07-02 | 2021-07-02 | Sewage deoxidation dephosphorization treatment device |
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