CN218025516U - Be used for desulfurization waste liquid to handle and waste water utilization system - Google Patents
Be used for desulfurization waste liquid to handle and waste water utilization system Download PDFInfo
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- CN218025516U CN218025516U CN202222293472.3U CN202222293472U CN218025516U CN 218025516 U CN218025516 U CN 218025516U CN 202222293472 U CN202222293472 U CN 202222293472U CN 218025516 U CN218025516 U CN 218025516U
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- discharge pipe
- waste liquid
- desulfurization
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- hydrocyclone
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Abstract
The utility model discloses a be used for desulfurization waste liquid to handle and waste water utilization system, it relates to desulfurization process technical field, include desulfurization waste liquid processing system and the waste water utilization system who is connected with the indoor circulation pond among the desulfurization circulation system, desulfurization waste liquid processing system includes alloy pump, waste liquid pipe, hydrocyclone, outdoor clear liquid pond and outdoor accident pond, hydrocyclone's inlet end is through the alloy pump and the intercommunication in waste liquid pipe and the indoor circulation pond, hydrocyclone's liquid outlet end is through clear liquid pipe and outdoor clear liquid pond UNICOM, hydrocyclone's the end of giving up dirt is through deposit discharge pipe and outdoor accident pond UNICOM; the utility model discloses a hydrocyclone among the desulfurization waste liquid treatment system carries out solid-liquid separation with the waste liquid, compares vacuum belt filter press and saves initial investment and running cost, and continuous work need not personnel's guard, and the clear liquid that is separated out by hydrocyclone is used for the slag to adjust the ash system of putting with ash can wet process moreover, practices thrift clear water resource.
Description
Technical Field
The utility model relates to a desulfurization process technical field specifically is a be used for desulfurization waste liquid to handle and waste water utilization system.
Background
The most common is flue gas desulfurization, and the corresponding technologies are dozens of technologies, particularly on the aspect of desulfurization processes, the processes are mainly a wet process, a semi-dry process and a dry process. And (3) wet process desulfurization: desulfurization is carried out by a series of chemical reactions and procedures using a lime slurry as an absorbent. The process requires many systems, including process water systems, flue gas systems, compressed air systems, and the like. The method is widely applied at present and has reliable effect.
Most of the waste liquid treatment modes of the existing wet desulphurization process adopt a vacuum belt filter press, the waste liquid is subjected to dry-wet separation, clear liquid is recycled, and the separated matter desulphurization slag is subjected to centralized treatment, but the vacuum belt filter press has a complex structure, high technical maintenance cost and high material cost, so that the investment cost is high, and meanwhile, the waste liquid treatment method needs personnel operation and staring, wastes human resources and costs a large amount of cost for desulphurization waste water treatment; in addition, clear liquid treated by the existing equipment flows back to the circulating pool to be used for desulfurization of the absorption tower, but sulfides still remain in the clear liquid, and the lower the concentration of the sulfides in the circulating pool is, the better the desulfurization effect of the absorption tower is, so that the effect of replenishing the clear liquid in the circulating pool is not better than that of replenishing clear water, and meanwhile, water used by a slag adjusting dry-humidity system and an ash tank wet-method ash discharge system is clean water, so that the waste of clear water resources is caused.
SUMMERY OF THE UTILITY MODEL
The above-mentioned not enough to prior art, the utility model provides a be used for desulfurization waste liquid treatment and waste water utilization system carries out solid-liquid separation with the waste liquid through the hydrocyclone among the desulfurization waste liquid treatment system, compares vacuum belt filter press and saves initial investment and running cost, and continuous operation need not personnel's guard, and the clear liquid of being separated out by hydrocyclone is used for slag to adjust the ash system of doing humidity system and ash can wet process to put grey system moreover, practices thrift clear water resource.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a system for treating desulfurization waste liquid and utilizing waste water comprises a desulfurization waste liquid treatment system and a waste water utilization system which are connected with an indoor circulating pool in a desulfurization circulating system, wherein the desulfurization waste liquid treatment system comprises an alloy pump, a waste liquid pipe, a hydrocyclone, an outdoor clear liquid pool and an outdoor accident pool; the waste water utilization system comprises a clear liquid discharge pipe, a water pump, a first discharge pipe, a second discharge pipe and a third discharge pipe, wherein one end of the clear liquid discharge pipe is communicated to the clear liquid pool, the other end of the clear liquid discharge pipe is connected with the water inlet end of the water pump, the water outlet end of the water pump is connected with one end of the third discharge pipe, the other end of the clear liquid discharge pipe is communicated to the indoor circulating pool, the first discharge pipe and the second discharge pipe are branches of the third discharge pipe, the first discharge pipe is connected with an external ash pot wet ash discharge system, the second discharge pipe is connected with an external slag adjusting dry-humidity system, and a control valve is arranged at the position, connected in parallel, of the first discharge pipe, the second discharge pipe and the third discharge pipe.
Preferably, a communicating ditch is communicated between the indoor circulating pool and the outdoor accident pool.
Preferably, the end of the communication ditch communicated with the outdoor accident pool is higher than the end communicated with the indoor circulating pool.
Preferably, a water replenishing system is communicated with the indoor circulating pool.
Preferably, the bottom of the indoor circulating pool is communicated with an aeration system.
Preferably, a stirrer is arranged on the indoor circulating pool.
The utility model provides a be used for desulfurization waste liquid to handle and waste water utilization system possesses following beneficial effect:
1. the utility model discloses a hydrocyclone among the desulfurization waste liquid treatment system carries out solid-liquid separation with the waste liquid, compares vacuum belt filter press and saves initial investment and running cost, and continuous work need not personnel's guard, and the clear liquid that is separated out by hydrocyclone is used for the slag to adjust the ash system of putting with ash can wet process moreover, practices thrift clear water resource.
2. The utility model discloses in be used for the slag to adjust dry humidity system and ash jar wet process by the clear solution that hydrocyclone isolated and put grey system to let and supply more clear waters in the circulating pool, reduce the concentration of sulphide in the circulating pool, promote the desulfurization effect of absorption tower.
Drawings
FIG. 1 is a schematic view of the system for desulfurization waste liquid treatment and waste water utilization of the present invention.
In the figure: 1. an indoor circulating tank; 2. a circulation pump; 3. circulating the liquid inlet pipe; 4. a desulfurization absorption tower; 5. a water return ditch; 6. an aeration system; 7. a stirrer; 8. an alloy pump; 9. a waste liquid pipe; 10. a hydrocyclone; 11. a clear liquid tube; 12. a precipitate discharge pipe; 13. an outdoor clear liquid pool; 14. an outdoor accident pool; 15. a clear liquid discharge pipe; 16. a water pump; 17. a first discharge pipe; 18. ash is discharged from an ash tank by a wet method; 19. a second discharge pipe; 20. adjusting the dryness and humidity of the slag; 21. a third discharge pipe; 22. a water replenishing system; 23. and communicating the ditch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, a system for treating desulfurization waste liquid and utilizing waste water comprises a desulfurization waste liquid treatment system and a waste water utilization system, wherein the desulfurization waste liquid treatment system is connected with an indoor circulating pool 1 in a desulfurization circulating system, the desulfurization waste liquid treatment system comprises an alloy pump 8, a waste liquid pipe 9, a hydrocyclone 10, an outdoor clear liquid pool 13 and an outdoor accident pool 14, the liquid inlet end of the hydrocyclone 10 is communicated with the indoor circulating pool 1 through the alloy pump 8 and the waste liquid pipe 9, the liquid outlet end of the hydrocyclone 10 is communicated with the outdoor clear liquid pool 13 through a clear liquid pipe 11, and the liquid outlet end of the hydrocyclone 10 is communicated with the outdoor accident pool 14 through a precipitate discharge pipe 12; the waste water utilization system comprises a clear liquid discharge pipe 15, a water pump 16, a first discharge pipe 17, a second discharge pipe 19 and a third discharge pipe 21, one end of the clear liquid discharge pipe 15 is communicated into a clear liquid pool, the other end of the clear liquid discharge pipe is connected with the water inlet end of the water pump 16, the water outlet end of the water pump 16 is connected with one end of the third discharge pipe 21, the other end of the water pump is communicated to the indoor circulating pool 1, the first discharge pipe 17 and the second discharge pipe 19 are branches of the third discharge pipe 21, the first discharge pipe 17 is connected with an external ash tank wet ash discharge 18 system, the second discharge pipe 19 is connected with an external slag dry-humidity regulation 20 system, and control valves are arranged at parallel positions on the first discharge pipe 17, the second discharge pipe 19 and the third discharge pipe 21; a communicating ditch 23 is communicated between the indoor circulating pool 1 and the outdoor accident pool 14; one end of the communication ditch 23 communicated with the outdoor accident pool 14 is higher than one end communicated with the indoor circulating pool 1; a water supplementing system 22 is communicated with the indoor circulating tank 1; the bottom of the indoor circulating pool 1 is communicated with an aeration system 6; and a stirrer 7 is arranged on the indoor circulating pool 1.
The detailed connection means is a technique known in the art, and the following main description is provided for the working principle and process, and specifically provided for the following:
as shown in figure 1, the utility model discloses well desulfurization waste liquid treatment system: waste liquid and sulphide suspended solid in the indoor circulation pond 1 carry hydraulic cyclone 10 through alloy pump 8 and waste liquid pipe 9 in, hydraulic cyclone 10 realizes solid-liquid separation through centrifugal action, the upper strata is the clear liquid, the lower floor is the desulfurization sediment, the upper strata clear liquid passes through clear liquid pipe 11 and carries to outdoor clear liquid pond 13 in, the desulfurization sediment of lower floor discharges to outdoor accident pond 14 in, regularly concentrate the clearance, compare vacuum belt filter press and save the cost, the continuous operation need not personnel's guard.
As shown in fig. 1, the utility model discloses well waste water utilization system: the clear liquid in the outdoor clear liquid pool 13 is discharged through the water pump 16 and the clear liquid discharge pipe 15, different directions are utilized, the clear liquid is used for an external ash tank wet-method ash discharge 18 system through the first discharge pipe 17, the clear liquid is used for an external slag dry-humidity regulation 20 system through the second discharge pipe 19, and the clear liquid is communicated with the indoor circulating pool 1 through the third discharge pipe 21 and is used for a desulfurization circulating system.
The communication ditch 23 communicated between the indoor circulating pool 1 and the outdoor accident pool 14 is used for preventing the situation that the liquid level of the indoor circulating pool 1 is increased and overflows when the desulfurization circulating system fails, when the liquid level is higher than the highest point of the communication ditch 23, the waste liquid in the indoor circulating pool 1 flows to the outdoor accident pool 14, and attention needs to be paid to that solid waste materials are stored in the outdoor accident pool 14 and personnel can clean the waste materials regularly; the reason why the end of the communicating gutter 23 communicating with the outdoor accident tank 14 is higher than the end communicating with the indoor circulation tank 1 is to prevent solid waste materials stored in the outdoor accident tank 14 from blocking the communicating gutter 23.
The lower the concentration of sulfides in the indoor circulating pool 1 is, the better the desulfurization effect of the absorption tower is, and some sulfides still remain in the clear liquid, so that the effect of clear liquid supplement in the circulating pool is better than that of clear water supplement, optimally, the clear liquid is used for a slag-adjusting dry-humidity system 20 and an ash-tank wet-method ash-discharging system 18 as much as possible, and the indoor circulating pool 1 can supplement water through the water supplementing system 22 as much as possible.
Wherein, oxygen is flushed into the bottom of the indoor circulating tank 1 through the aeration system 6, so that the solidification of sulfides in the indoor circulating tank 1 is accelerated, and the solidified sulfides are suspended by matching with the stirrer 7, thereby improving the treatment efficiency of the desulfurization waste liquid treatment system.
The utility model discloses to prior art's explanation:
desulfurization circulation system is including adding indoor circulation pond 1, circulating pump 2, three desulfurization absorption towers 4, circulation feed liquor pipe 3 and the ditch 5 that returns of desulfurization medicament, carries the liquid of low concentration to three desulfurization absorption towers 4 through circulating pump 2 and circulation feed liquor pipe 3, carries out desulfurization treatment, and the waste liquid rethread return ditch 5 after the processing gets into indoor circulation pond 1, forms the circulation in proper order.
The alloy pump 8 is more suitable for a pump body with high solid content; a hydrocyclone 10, which is a classification apparatus for accelerating sedimentation of ore particles by using centrifugal force; the ash can wet ash discharge 18 system and the slag conditioning moisture 20 system are systems for processing the ash and slag produced by the boiler, all of which are known in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a be used for desulfurization waste liquid to handle and waste water utilization system, includes desulfurization waste liquid processing system and the waste water utilization system who is connected with indoor circulation pond (1) among the desulfurization circulation system, its characterized in that, desulfurization waste liquid processing system includes alloy pump (8), waste liquid pipe (9), hydrocyclone (10), outdoor clear liquid pond (13) and outdoor accident pond (14), the feed liquor end of hydrocyclone (10) passes through alloy pump (8) and waste liquid pipe (9) and UNICOM in indoor circulation pond (1), the play liquid end of hydrocyclone (10) passes through clear liquid pipe (11) and outdoor clear liquid pond (13) UNICOM, the play dirty end of hydrocyclone (10) passes through precipitate discharge pipe (12) and outdoor accident pond (14) UNICOM; waste water utilization system includes clear liquid discharge pipe (15), water pump (16), first discharge pipe (17), second discharge pipe (19) and third discharge pipe (21), clear liquid discharge pipe (15) one end UNICOM to in the clear liquid pond, the other end is connected with water pump (16) end of intaking, and water pump (16) play water end is connected with third discharge pipe (21) one end, and other end UNICOM to indoor circulation pond (1), first discharge pipe (17) and second discharge pipe (19) are the branch of third discharge pipe (21), ash (18) headtotail is put with outside ash can wet process to first discharge pipe (17), second discharge pipe (19) and outside slag regulation dry humidity (20) headtotail, parallel position is provided with the control valve on first discharge pipe (17), second discharge pipe (19) and third discharge pipe (21).
2. The system for desulfurization waste liquid treatment and wastewater utilization according to claim 1, characterized in that a communication ditch (23) is provided in communication between said indoor circulating tank (1) and said outdoor accident tank (14).
3. The system for desulfurization waste liquid treatment and wastewater utilization according to claim 2, wherein the end of the communication gutter (23) communicating with the outdoor accident tank (14) is higher than the end communicating with the indoor circulation tank (1).
4. The system for desulfurization waste liquid treatment and wastewater utilization according to claim 1, wherein a water replenishing system (22) is communicated with said indoor circulating tank (1).
5. A system for desulfurization waste liquid treatment and waste water utilization according to claim 1, characterized in that an aeration system (6) is provided in communication with the bottom of said indoor circulating tank (1).
6. A system for desulfurization waste liquid treatment and waste water utilization according to claim 1, characterized in that an agitator (7) is installed on said indoor circulating tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222293472.3U CN218025516U (en) | 2022-08-31 | 2022-08-31 | Be used for desulfurization waste liquid to handle and waste water utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222293472.3U CN218025516U (en) | 2022-08-31 | 2022-08-31 | Be used for desulfurization waste liquid to handle and waste water utilization system |
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| Publication Number | Publication Date |
|---|---|
| CN218025516U true CN218025516U (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222293472.3U Active CN218025516U (en) | 2022-08-31 | 2022-08-31 | Be used for desulfurization waste liquid to handle and waste water utilization system |
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|---|---|
| CN (1) | CN218025516U (en) |
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2022
- 2022-08-31 CN CN202222293472.3U patent/CN218025516U/en active Active
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