CN216191552U - Circulating water drainage dephosphorization system - Google Patents
Circulating water drainage dephosphorization system Download PDFInfo
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- CN216191552U CN216191552U CN202122386128.4U CN202122386128U CN216191552U CN 216191552 U CN216191552 U CN 216191552U CN 202122386128 U CN202122386128 U CN 202122386128U CN 216191552 U CN216191552 U CN 216191552U
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- removing agent
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Abstract
The utility model discloses a circulating water drainage dephosphorization system, which comprises a dephosphorization agent diluting tank, a medicament supply pipeline, a mixer, a flocculation precipitation device and a sludge discharge device, wherein the dephosphorization agent diluting tank is connected with the medicament supply pipeline; the phosphorus removing agent diluting tank is provided with a stirrer, and a first water supply pipe for discharging tap water and a first agent pipe for discharging a phosphorus removing agent are connected outside the phosphorus removing agent diluting tank; the reagent supply pipeline comprises a common pipeline, a standby pipeline, a return pipeline and a main pipeline, wherein one end of the common pipeline, one end of the standby pipeline and one end of the return pipeline are connected with the phosphorus removing agent diluting tank, and the other end of the common pipeline, one end of the standby pipeline and one end of the return pipeline are connected with one end of the main pipeline. Compared with the traditional mode of separately adding the phosphorus removing agent and the flocculating agent, the method can greatly shorten the mixing time of the phosphorus removing agent, the flocculating agent and the circulating water, thereby improving the phosphorus removing efficiency, improving the discharge amount of the purified circulating water and reducing the pressure of the circulating water treated by a factory.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to a circulating water drainage dephosphorization system.
Background
The industrial wastewater contains more organic matters, phosphorus and other nutrient substances, such as chemical plants for producing plastic particles, circulating water used on a production line contains phosphorus, and the discharge of the phosphorus-containing wastewater can cause eutrophication of water bodies and cause serious harm; many sewage treatment technologies can realize phosphorus removal, wherein the common treatment is chemical phosphorus removal.
For a traditional circulating water dephosphorization system, circulating water containing phosphorus is mixed with a dephosphorization agent through a dephosphorization agent feeding tank, enters a dephosphorization agent reaction tank for chemical reaction, then enters a flocculation agent feeding tank for mixing with a flocculant, and is discharged after standing in a flocculation standing tank, wherein the dephosphorization of the circulating water on the upper layer is finished; however, the phosphorus removal process is complicated, the chemical reaction time is long, the phosphorus removal efficiency is low, and the discharge amount of circulating water is limited.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a system for removing phosphorus from the discharged water of circulating water, which can effectively simplify the system for removing phosphorus from the circulating water, thereby improving the phosphorus removal efficiency and the discharge amount of the purified circulating water.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a system for removing phosphorus from circulating water drainage comprises a phosphorus removing agent diluting tank, an agent supply pipeline, a mixer, a flocculation precipitation device and a sludge discharge device;
the phosphorus removing agent diluting tank is provided with a stirrer, and a first water supply pipe for discharging tap water and a first agent pipe for discharging a phosphorus removing agent are connected outside the phosphorus removing agent diluting tank;
the reagent supply pipeline comprises a common pipeline, a standby pipeline, a return pipeline and a main pipeline, wherein one end of the common pipeline, one end of the standby pipeline and one end of the return pipeline are connected with the phosphorus removing agent diluting tank, and the other end of the common pipeline, one end of the standby pipeline and one end of the return pipeline are connected with one end of the main pipeline;
the mixer is provided with an input end and an output end, the input end of the mixer is connected with a circulating water outlet pipe, and the other end of the main pipeline is connected with the input end of the mixer; the output end of the mixer is connected with a first drainage pipe;
the flocculation precipitation device is provided with a primary filtering chamber, a secondary filtering chamber, a tertiary filtering chamber and a quaternary filtering chamber, the first drainage pipe is connected with the primary filtering chamber, and the quaternary filtering chamber is connected with a rainwater pipeline;
the sludge discharge device comprises a sludge discharge ditch, a sludge tank and a sludge-water pipeline, wherein the sludge discharge ditch is provided with a plurality of sludge discharge pipes, the sludge discharge pipes are connected with a primary filtering chamber, a secondary filtering chamber, a tertiary filtering chamber and a quaternary filtering chamber, and the sludge tank is communicated with the sludge discharge ditch; one end of the muddy water pipeline is connected with the sludge tank, and the other end of the muddy water pipeline is externally connected with a muddy water treatment unit.
As a preferred embodiment: the stirrer comprises a stirring motor and a stirring rod, the stirring rod is arranged in the phosphorus removing agent diluting tank, and one end of the stirring rod is connected with the output end of the stirring motor.
As a preferred embodiment: the general pipeline is sequentially provided with a first interception valve, a first filter and a first metering pump, and the standby pipeline is sequentially provided with a second interception valve, a second filter and a second metering pump.
As a preferred embodiment: and a third interception valve is arranged at the joint of the main pipeline and the common pipeline, and a fourth throttling valve is arranged at the joint of the main pipeline and the standby pipeline.
As a preferred embodiment: the main pipeline is sequentially provided with a first pressure gauge and a pressure regulating valve.
As a preferred embodiment: the phosphorus removing agent diluting tank is connected with a liquid level detection pipe, one end of the liquid level detection pipe is connected to the upper position of the middle part of the phosphorus removing agent diluting tank, and the other end of the liquid level detection pipe is connected to the lower position of the middle part of the phosphorus removing agent diluting tank;
one end of the liquid level detection pipe is provided with an upper liquid level meter, and the other end of the liquid level detection pipe is provided with a lower liquid level meter.
As a preferred embodiment: the filter comprises a primary filter chamber, a secondary filter chamber, a tertiary filter chamber and a quaternary filter chamber, wherein the primary filter chamber, the secondary filter chamber, the tertiary filter chamber and the quaternary filter chamber are sequentially arranged from left to right, a first baffle is arranged between the tertiary filter chamber and the quaternary filter chamber, and the first baffle upwards extends from the bottom and is provided with an overflow port at the top.
As a preferred embodiment: the first-stage filtering chamber, the second-stage filtering chamber and the third-stage filtering chamber are correspondingly provided with a first slag trap, a second slag trap and a third slag trap, and the heights of the first slag trap, the second slag trap and the third slag trap are set in a descending mode step by step.
As a preferred embodiment: the mud discharging pipes are provided with mud discharging valves and mud discharging pumps.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
firstly, installing a stirrer in a phosphorus removing agent diluting tank, stirring tap water, a phosphorus removing agent and a flocculating agent which are simultaneously injected into the phosphorus removing agent diluting tank to enable the tap water, the phosphorus removing agent and the flocculating agent to be quickly mixed and diluted, quantitatively conveying the mixture to the mixer through a medicament supply pipeline to be mixed with circulating water, and finally discharging the circulating water after phosphorus removal through flocculation and precipitation in a flocculation and precipitation device; compared with the traditional mode of separately putting the phosphorus removing agent and the flocculating agent, the method has the advantages that the mixing time of the phosphorus removing agent, the flocculating agent and the circulating water can be greatly shortened, so that the phosphorus removing efficiency is improved, the discharge amount of the purified circulating water is increased, and the pressure of the factory treatment circulating water is reduced;
through the common pipeline and the standby pipeline which are arranged, compared with the traditional arrangement mode that one pipeline is adopted, the condition that waste water cannot be treated due to the fact that the pipeline breaks down can be avoided, and the whole treatment system is more reliable to use.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic diagram of a system for removing phosphorus from a recycled water effluent according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of the phosphorus removal diluent tank and the chemical supply line according to the preferred embodiment of the present invention;
FIG. 3 is a schematic structural view of a flocculation and sedimentation apparatus and a sludge discharge apparatus according to a preferred embodiment of the present invention.
The attached drawings indicate the following:
10. phosphorus removal agent dilution tank 11 and first water supply pipe
12. Stirring motor 13 and stirring rod
20. Drug supply line 21, and usual line
211. First trap valve 212, first filter
213. First metering pump 22, spare line
221. Second trap valve 222, second filter
223. Second metering pump 23, return line
24. Main line 241 and third trap valve
242. Fourth throttle valve 243, first pressure gauge
244. Pressure regulating valve 30, mixer
31. Circulating water outlet pipe 32 and first drain pipe
40. Flocculation and precipitation device 41 and primary filtering chamber
411. First slag trap 42, second grade filter chamber
421. Second slag trap 43, three-stage filtration chamber
431. Third slag trap 44, four-stage filtration chamber
45. Rainwater pipe 46, first baffle
461. Overflow port 50 and sludge discharge device
51. Sludge discharge ditch 511 and sludge discharge pipe
5111. Mud valve 5112 and mud pump
52. A sludge tank 53 and a sludge water pipeline.
Detailed Description
Referring to fig. 1 to 3, which show the specific structure of the preferred embodiment of the present invention, a system for removing phosphorus from a wastewater containing circulating water comprises a phosphorus removing agent diluting tank 10, a chemical supply pipeline 20, a mixer 30, a flocculation device 40 and a sludge discharging device 50.
Referring to fig. 1-2, the phosphorus removing agent diluting tank 10 is provided with a stirrer, and the phosphorus removing agent diluting tank 10 is externally connected with a first water supply pipe 11 for discharging tap water and a first agent pipe (not shown) for discharging phosphorus removing agent; specifically, the first agent pipe may be connected to the first water supply pipe 11, or may be connected to the phosphorus removal agent dilution tank 10, as long as the phosphorus removal agent can enter the phosphorus removal agent dilution tank 10 for dilution; the flocculating agent is put in the same way as the phosphorus removal agent, and the flocculating agent is also put in the first water supply pipe 11 or the phosphorus removal agent dilution tank 10 through the corresponding agent pipe. The agitator is including agitator motor 12 and puddler 13, puddler 13 sets up in dephosphorization agent dilution tank 10, agitator motor 12's output is connected to the one end of puddler 13.
Referring to fig. 1-2, the agent supply line 20 includes a common line 21, a spare line 22, a return line 23, and a main line 24, wherein one end of the common line 21, one end of the spare line 22, and one end of the return line 23 are connected to the phosphorus removing agent dilution tank 10, and the other end of the return line is connected to one end of the main line 24. Under normal use, the mixed water in the phosphorus removal agent dilution tank 10 usually enters the main pipeline 24 through the pipeline 21, and if the water pressure and the water quantity of the common pipeline 21 are large, part of the mixed water flows back to the phosphorus removal agent dilution tank 10 through the return pipeline 23 to be depressurized; the pipeline that so sets up can avoid water pressure in the pipeline big and press to explode pipeline and corresponding valve etc. guarantees that the use of pipeline is reliable, and the feasibility is good.
In the embodiment of the present application, the common line 21 is sequentially provided with a first trap valve 211, a first filter 212, and a first metering pump 213, and the spare line 22 is sequentially provided with a second trap valve 221, a second filter 222, and a second metering pump 223. A third interception valve 241 is arranged at the connection position of the main pipeline 24 and the common pipeline 21, a fourth throttling valve 242 is arranged at the connection position of the main pipeline 24 and the standby pipeline 22, and the main pipeline 24 is sequentially provided with a first pressure gauge 243 and a pressure regulating valve 244. The pressure in the pipeline is monitored in real time through the first pressure gauge 243 and fed back to the regulating valve 244 for regulating the flow rate; while part of the mixed water is returned through the return line to reduce the pressure.
The phosphorus removing agent diluting tank 10 is connected with a liquid level detecting pipe 14, one end of the liquid level detecting pipe 14 is connected to the upper position of the middle part of the phosphorus removing agent diluting tank 10, and the other end of the liquid level detecting pipe 14 is connected to the lower position of the middle part of the phosphorus removing agent diluting tank 10; an upper liquid level meter 141 is arranged at one end of the liquid level detection pipe 14, and a lower liquid level meter 142 is arranged at the other end of the liquid level detection pipe 14; therefore, the water level inside the phosphorus removing agent diluting tank 10 can be monitored in real time by means of the arrangement of the upper liquid level meter 141 and the lower liquid level meter 142.
The mixer is provided with an input end and an output end, the input end of the mixer is connected with a circulating water outlet pipe 31, and the other end of the main pipeline 24 is connected with the input end of the mixer 30; a first drain pipe 32 is connected to an output end of the mixer 30.
Referring to fig. 1 and 3, the flocculation and precipitation device 40 is provided with a primary filtering chamber 41, a secondary filtering chamber 42, a tertiary filtering chamber 43 and a quaternary filtering chamber 44, the first drain pipe 32 is connected to the primary filtering chamber 41, and the quaternary filtering chamber 44 is connected to a rainwater pipe 45. Specifically, the primary filtering chamber 41, the secondary filtering chamber 42, the tertiary filtering chamber 43 and the quaternary filtering chamber 44 are sequentially arranged from left to right, a first baffle 46 is arranged between the tertiary filtering chamber 43 and the quaternary filtering chamber 44, the first baffle extends upwards from the bottom and is provided with an overflow port 461 at the top. After most of floaters are filtered by the first-stage filtering cavity 41, the second-stage filtering cavity 42 and the third-stage filtering cavity 43, the floaters enter the fourth-stage filtering cavity 44, and the floaters are discharged out along with the fact that water in the fourth-stage filtering cavity 44 continuously rises and overflows into the rainwater tight pipeline 45.
As mentioned above, the first-stage filtering chamber 41, the second-stage filtering chamber 42, and the third-stage filtering chamber 43 are correspondingly provided with the first slag trap 411, the second slag trap 421, and the third slag trap 431, and the heights of the first slag trap 411, the second slag trap 421, and the third slag trap 431 are set in a descending manner, that is, the height of the second slag trap 421 is lower than the height of the first slag trap 411, and the height of the third slag trap 431 is lower than the height of the second slag trap 421; the filtering is carried out step by step from top to bottom without a water pump, so that the power consumption of the whole system is reduced, and the cost of subsequent maintenance is also reduced.
The sludge discharge device 50 comprises a sludge discharge ditch 51, a sludge tank 52 and a sludge pipeline 53, wherein the sludge discharge ditch 51 is provided with a plurality of sludge discharge pipes 511, the sludge discharge pipes 511 are connected with a primary filtering chamber 41, a secondary filtering chamber 42, a tertiary filtering chamber 43 and a quaternary filtering chamber 44, and the sludge tank 52 is communicated with the sludge discharge ditch 51; one end of the muddy water pipeline 53 is connected with the sludge tank 52, and the other end is externally connected with a muddy water treatment unit. The sludge discharge pipes 511 are provided with sludge discharge valves 5111 and sludge discharge pumps 5112.
The design of the utility model is characterized in that:
firstly, installing a stirrer in a phosphorus removing agent diluting tank, stirring tap water, a phosphorus removing agent and a flocculating agent which are simultaneously injected into the phosphorus removing agent diluting tank to enable the tap water, the phosphorus removing agent and the flocculating agent to be quickly mixed and diluted, quantitatively conveying the mixture to the mixer through a medicament supply pipeline to be mixed with circulating water, and finally discharging the circulating water after phosphorus removal through flocculation and precipitation in a flocculation and precipitation device; compared with the traditional mode of separately putting the phosphorus removing agent and the flocculating agent, the method has the advantages that the mixing time of the phosphorus removing agent, the flocculating agent and the circulating water can be greatly shortened, so that the phosphorus removing efficiency is improved, the discharge amount of the purified circulating water is increased, and the pressure of the factory treatment circulating water is reduced;
through the common pipeline and the standby pipeline which are arranged, compared with the traditional arrangement mode that one pipeline is adopted, the condition that waste water cannot be treated due to the fact that the pipeline breaks down can be avoided, and the whole treatment system is more reliable to use.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (9)
1. The utility model provides a circulating water drainage dephosphorization system which characterized in that: comprises a phosphorus removing agent diluting tank, a medicament supply pipeline, a mixer, a flocculation precipitation device and a sludge discharge device;
the phosphorus removing agent diluting tank is provided with a stirrer, and a first water supply pipe for discharging tap water and a first agent pipe for discharging a phosphorus removing agent are connected outside the phosphorus removing agent diluting tank;
the reagent supply pipeline comprises a common pipeline, a standby pipeline, a return pipeline and a main pipeline, wherein one end of the common pipeline, one end of the standby pipeline and one end of the return pipeline are connected with the phosphorus removing agent diluting tank, and the other end of the common pipeline, one end of the standby pipeline and one end of the return pipeline are connected with one end of the main pipeline;
the mixer is provided with an input end and an output end, the input end of the mixer is connected with a circulating water outlet pipe, and the other end of the main pipeline is connected with the input end of the mixer; the output end of the mixer is connected with a first drainage pipe;
the flocculation precipitation device is provided with a primary filtering chamber, a secondary filtering chamber, a tertiary filtering chamber and a quaternary filtering chamber, the first drainage pipe is connected with the primary filtering chamber, and the quaternary filtering chamber is connected with a rainwater pipeline;
the sludge discharge device comprises a sludge discharge ditch, a sludge tank and a sludge-water pipeline, wherein the sludge discharge ditch is provided with a plurality of sludge discharge pipes, the sludge discharge pipes are connected with a primary filtering chamber, a secondary filtering chamber, a tertiary filtering chamber and a quaternary filtering chamber, and the sludge tank is communicated with the sludge discharge ditch; one end of the muddy water pipeline is connected with the sludge tank, and the other end of the muddy water pipeline is externally connected with a muddy water treatment unit.
2. The circulating water drainage dephosphorization system of claim 1, wherein: the stirrer comprises a stirring motor and a stirring rod, the stirring rod is arranged in the phosphorus removing agent diluting tank, and one end of the stirring rod is connected with the output end of the stirring motor.
3. The circulating water drainage dephosphorization system of claim 1, wherein: the general pipeline is sequentially provided with a first interception valve, a first filter and a first metering pump, and the standby pipeline is sequentially provided with a second interception valve, a second filter and a second metering pump.
4. The circulating water drainage dephosphorization system of claim 1 or 3, wherein: and a third interception valve is arranged at the joint of the main pipeline and the common pipeline, and a fourth throttling valve is arranged at the joint of the main pipeline and the standby pipeline.
5. The circulating water drainage dephosphorization system of claim 4, wherein: the main pipeline is sequentially provided with a first pressure gauge and a pressure regulating valve.
6. The circulating water drainage dephosphorization system of claim 1, wherein: the phosphorus removing agent diluting tank is connected with a liquid level detection pipe, one end of the liquid level detection pipe is connected to the upper position of the middle part of the phosphorus removing agent diluting tank, and the other end of the liquid level detection pipe is connected to the lower position of the middle part of the phosphorus removing agent diluting tank;
one end of the liquid level detection pipe is provided with an upper liquid level meter, and the other end of the liquid level detection pipe is provided with a lower liquid level meter.
7. The circulating water drainage dephosphorization system of claim 1, wherein: the filter comprises a primary filter chamber, a secondary filter chamber, a tertiary filter chamber and a quaternary filter chamber, wherein the primary filter chamber, the secondary filter chamber, the tertiary filter chamber and the quaternary filter chamber are sequentially arranged from left to right, a first baffle is arranged between the tertiary filter chamber and the quaternary filter chamber, and the first baffle upwards extends from the bottom and is provided with an overflow port at the top.
8. The circulating water drainage dephosphorization system of claim 1 or 7, wherein: the first-stage filtering chamber, the second-stage filtering chamber and the third-stage filtering chamber are correspondingly provided with a first slag trap, a second slag trap and a third slag trap, and the heights of the first slag trap, the second slag trap and the third slag trap are set in a descending mode step by step.
9. The circulating water drainage dephosphorization system of claim 1, wherein: the mud discharging pipes are provided with mud discharging valves and mud discharging pumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122386128.4U CN216191552U (en) | 2021-09-30 | 2021-09-30 | Circulating water drainage dephosphorization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122386128.4U CN216191552U (en) | 2021-09-30 | 2021-09-30 | Circulating water drainage dephosphorization system |
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| Publication Number | Publication Date |
|---|---|
| CN216191552U true CN216191552U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122386128.4U Active CN216191552U (en) | 2021-09-30 | 2021-09-30 | Circulating water drainage dephosphorization system |
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| CN (1) | CN216191552U (en) |
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- 2021-09-30 CN CN202122386128.4U patent/CN216191552U/en active Active
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