CN204384906U - A kind of broken coal gasification phenolic wastewater pyrolysis treatment device - Google Patents
A kind of broken coal gasification phenolic wastewater pyrolysis treatment device Download PDFInfo
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- CN204384906U CN204384906U CN201420773209.7U CN201420773209U CN204384906U CN 204384906 U CN204384906 U CN 204384906U CN 201420773209 U CN201420773209 U CN 201420773209U CN 204384906 U CN204384906 U CN 204384906U
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Abstract
The utility model discloses a kind of broken coal gasification phenolic wastewater pyrolysis treatment device, it comprises: a storage tank, storage tank is provided with liquidometer, and storage tank import is connected with coal gas waste house steward by the pipeline that main valve, first and second strainer be arranged in parallel, the first variable valve and first-class gauge are housed successively; The outlet of storage tank is divided into two-way in parallel, a road connection outlet house steward, another road connection outlet house steward, and the outlet of outlet header connects the hand valve of vaporized stove; Reflux pipeline, reflux pipeline one end is connected with the pipeline section of the under meter liquid outlet of outlet header and the other end is connected the water return outlet of pipeline and the storage tank be arranged in parallel successively; First-class gauge and second gauge difference output flow signal are to Controlling System.This device is adopted to reduce the treatment capacity of phenolic wastewater in smashed coal pressure gasification.
Description
Technical field
The utility model relates to the pyrolysis processing that crushed coal pressure gasifying produces phenolic wastewater, refers more particularly to the pyrolysis of fixed bed crushed coal pressure gasifying waste water and utilizes.
Background technology
Fixed bed crushed coal pressure gasifying technique is high because of methane content in synthetic gas, reduces the load of follow-up methanation unit, improves the heating rate of coal preparing natural gas process, reduces construction investment.Crushed coal pressure gasifying technology maturation, simple to operate, invest low, be also that in all large-scale coal gasifying process, oxygen consumption is minimum simultaneously, the empty point of coal gasifying process that investment economizes most, process cost is minimum.Coal adaptability is strong, and almost can gasify all coals, especially can adapt to the coal as raw material inferior of high-moisture, high ash content, high ash melting point, and not by the restriction of sludge forming performance.
The shortcoming of crushed coal pressure gasifying technology is that steam consumption quantity is large, and the large and complicated component of sewage quantity, control expense is high.Containing pollutents such as a large amount of phenol, ammonia, tar class, sulfur-bearing and carbon containing sour gas in a large amount of high pollution waste water, COD is generally at more than 20000mg/L, the mode generally adopting chemical industry treatment scheme to combine with biochemical treatment both at home and abroad processes it, but intractability is large, cost high (1 ton of phenol ammonia waste water processing cost is on average at 40 ~ 60 yuan/ton), total phenol content higher (generally at more than 400mg/l, during fluctuation of operating conditions, content can be higher) in the outer discharge water of gasification.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind for the treatment of capacity reducing phenolic wastewater in smashed coal pressure gasification, meets the broken coal gasification phenolic wastewater pyrolysis treatment device that descending water Quench fine coal gasification process Quench requires simultaneously.
A kind of phenolic wastewater pyrolysis treatment device of the present utility model, it comprises:
A storage tank, described storage tank is for removing the broken coal gasification waste water temporary reservoir after tar and middle oil, described storage tank is provided with liquidometer, and described storage tank import is connected with coal gas waste house steward by the pipeline that main valve, first and second strainer be arranged in parallel, the first variable valve and first-class gauge are housed successively, the outlet of described storage tank is divided into two-way in parallel, one tunnel is successively by the first entrance hand valve, 3rd strainer, first sewage force (forcing) pump, first tensimeter and the first outlet hand valve and the first non-return valve and the defensive position valve connection outlet house steward thereof be arranged in parallel, another road is successively by the second entrance hand valve, 4th strainer, second sewage force (forcing) pump, second tensimeter and the second outlet hand valve and the second non-return valve and the defensive position valve connection outlet house steward thereof be arranged in parallel, described outlet header is equipped with under meter and pressure warning unit, the outlet of described outlet header connects the hand valve of vaporized stove,
Reflux pipeline, described reflux pipeline one end is connected with the pipeline section of the under meter liquid outlet of outlet header and the other end is connected the water return outlet of pipeline and the storage tank be arranged in parallel successively; At the described pipeline be arranged in parallel, the 5th water inlet hand valve, the second variable valve and defensive position valve are housed on the way, the another of the described pipeline be arranged in parallel, the 6th water inlet hand valve and the 7th water inlet hand valve are housed on the way, output flow signal is to Controlling System respectively for described first-class gauge and second gauge, and described Controlling System gives the aperture of the first variable valve and the second governor valve control two variable valve according to flow signal output control signal.
The beneficial effects of the utility model are:
To the powdered coal pressuring gasified stove of descending water Quench, keep in original chilled water flow process, by passing into a certain amount of pressurization phenolic wastewater in Quench section, effectively can decompose the organism in coal gas waste, reduce the sewage load of broken coal gasification, reduce the supplies consumption such as extraction agent and associated steam, reduce running cost.Adopt this device, by crushed coal pressure gasifying combine mode powdered coal pressuring gasified with descending water Quench, reduce the treatment capacity of phenolic wastewater in smashed coal pressure gasification, meet the requirement of coal gasification Quench simultaneously.
Accompanying drawing explanation
Accompanying drawing is the structural representation of a kind of phenolic wastewater pyrolysis treatment device of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
A kind of phenolic wastewater pyrolysis treatment device of the present utility model as shown in drawings, it comprises a storage tank 1, described storage tank is for removing the broken coal gasification waste water temporary reservoir after tar and middle oil, described storage tank 1 is provided with liquidometer L1, described storage tank import by be equipped with successively main valve BV1, first and second strainer SV1, the SV2 that are arranged in parallel, the first variable valve FV1 and first-class gauge F1 pipeline be connected with coal gas waste house steward, the outlet of described storage tank is divided into two-way in parallel, one tunnel is successively by the first entrance hand valve BV2, 3rd strainer SV3, first sewage force (forcing) pump P1, first tensimeter PI and the first outlet hand valve BV4 and the first non-return valve IV1 and the defensive position valve connection outlet house steward thereof be arranged in parallel, another road is successively by the second entrance hand valve BV3, 4th strainer SV4, second sewage force (forcing) pump P2, second tensimeter PII and the second outlet hand valve BV5 and the second non-return valve IV2 and the defensive position valve connection outlet house steward thereof be arranged in parallel, described outlet header is equipped with under meter F2 and pressure warning unit PIII.The outlet of described outlet header connects the hand valve BV10 of vaporized stove;
Reflux pipeline, described reflux pipeline one end is connected with the pipeline section of the under meter F2 liquid outlet of outlet header and the other end is connected the water return outlet of pipeline and the storage tank be arranged in parallel successively; At the described pipeline be arranged in parallel, the 5th water inlet hand valve BV6, the second variable valve FV2 and defensive position valve BV8 are housed on the way, 6th water inlet hand valve BV7 and the 7th water inlet hand valve BV9 is housed on the way, as by-pass hand valve the another of the described pipeline be arranged in parallel.Output flow signal is to Controlling System respectively for described first-class gauge F1 and second gauge F2, and described Controlling System controls the aperture of two variable valve to the first variable valve FV1 and the second variable valve FV2 according to flow signal output control signal.Outlet header's pressure of the first pump P1 and the second pump P2 is indicated by tensimeter PIII.
The working method of this device is:
(1) first main valve BV1, the first variable valve FV1 and vaporized stove hand valve BV10 are closed when vapourizing furnace is driven.
(2) gasifier operation steadily after, slowly open main valve BV1, regulate the first variable valve FV1 gradually, will containing in phenol coal gas waste introducing storage tank.After storage tank liquid level reaches 50 ~ 60%, close the first variable valve FV1.Open reflux pipeline the 5th water intaking valve BV6 and defensive position valve BV8, closing volume pipeline by-pass the 6th water inlet hand valve BV7 and the 7th water inlet hand valve BV9, by the second variable valve FV2 manual-lock.
(3) the second entrance hand valve BV2 and the 3rd entrance hand valve BV3 is opened, close the first outlet hand valve BV4 (or second outlet hand valve BV5), start the first sewage force (forcing) pump P1 (or second sewage force (forcing) pump P2), slowly open the first non-return valve IV1, defensive position valve (or the second non-return valve IV2, defensive position valve), progressively regulate the second variable valve FV2 aperture, after making second gauge F2 flow reach set(ting)value, the second variable valve FV2 controller is got to " automatically " and control.
(4) slowly open vaporized stove hand valve BV10, until standard-sized sheet, will introduce in vapourizing furnace Quench section containing phenol coal gas waste.Slowly open the first variable valve FV1, keep the liquid level of storage tank 1 50% ~ 60%.
Claims (1)
1. a phenolic wastewater pyrolysis treatment device, is characterized in that: it comprises
A storage tank, described storage tank is for removing the broken coal gasification waste water temporary reservoir after tar and middle oil, described storage tank is provided with liquidometer, and described storage tank import is connected with coal gas waste house steward by the pipeline that main valve, first and second strainer be arranged in parallel, the first variable valve and first-class gauge are housed successively, the outlet of described storage tank is divided into two-way in parallel, one tunnel is successively by the first entrance hand valve, 3rd strainer, first sewage force (forcing) pump, first tensimeter and the first outlet hand valve and the first non-return valve and the defensive position valve connection outlet house steward be arranged in parallel, another road is successively by the second entrance hand valve, 4th strainer, second sewage force (forcing) pump, second tensimeter and the second outlet hand valve and the second non-return valve and the defensive position valve connection outlet house steward be arranged in parallel, described outlet header is equipped with under meter and pressure warning unit, the outlet of described outlet header connects the hand valve of vaporized stove,
Reflux pipeline, described reflux pipeline one end is connected with the pipeline section of the under meter liquid outlet of outlet header and the other end is connected the water return outlet of pipeline and the storage tank be arranged in parallel successively; At the described pipeline be arranged in parallel, the 5th water inlet hand valve, the second variable valve and defensive position valve are housed on the way, the another of the described pipeline be arranged in parallel, the 6th water inlet hand valve and the 7th water inlet hand valve are housed on the way, output flow signal is to Controlling System respectively for described first-class gauge and second gauge, and described Controlling System gives the aperture of the first variable valve and the second governor valve control two variable valve according to flow signal output control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773209.7U CN204384906U (en) | 2014-12-09 | 2014-12-09 | A kind of broken coal gasification phenolic wastewater pyrolysis treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773209.7U CN204384906U (en) | 2014-12-09 | 2014-12-09 | A kind of broken coal gasification phenolic wastewater pyrolysis treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204384906U true CN204384906U (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420773209.7U Active CN204384906U (en) | 2014-12-09 | 2014-12-09 | A kind of broken coal gasification phenolic wastewater pyrolysis treatment device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204384906U (en) |
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2014
- 2014-12-09 CN CN201420773209.7U patent/CN204384906U/en active Active
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