CN104710039A - Wastewater treatment method for gas generation furnace and treatment system used in wastewater treatment method - Google Patents
Wastewater treatment method for gas generation furnace and treatment system used in wastewater treatment method Download PDFInfo
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- CN104710039A CN104710039A CN201510119911.0A CN201510119911A CN104710039A CN 104710039 A CN104710039 A CN 104710039A CN 201510119911 A CN201510119911 A CN 201510119911A CN 104710039 A CN104710039 A CN 104710039A
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- Prior art keywords
- water tank
- water
- tank
- gas generator
- producer gas
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/80—Other features with arrangements for preheating the blast or the water vapour
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0973—Water
- C10J2300/0976—Water as steam
Abstract
The invention discloses a wastewater treatment method for a gas generation furnace and a treatment system used in the wastewater treatment method. The treatment system comprises four water tanks connected in sequence, wherein a dust precipitant conveying pipe is arranged on the first water tank; coal slag particles are arranged in the second water tank; a sieve is arranged on a water discharging valve, connected with the fourth water tank, of the third water tank; the fourth water tank is connected with a normal-pressure jacket of the gas generation furnace through a water replenishment pipe; the normal-pressure jacket is connected with a mixer of the gas generation furnace through a gas collection pipeline. The method provided by the invention is simple in process and can be used for recovering coal gasification wastewater; the wastewater is filtered, purified and supplied to the gas generation furnace and is reused for cooling, so that the environment is purified, the wastewater treatment fund and the wastewater treatment difficulty are reduced for enterprises, water resources are saved, and the wastewater as a headache for the enterprises becomes utilizable water resources; the system provided by the invention is simple in structure, easy to realize, low in manufacturing cost of equipment, stable in working, long in service life and favorable for wide popularization and application.
Description
Technical field
The present invention relates to technical field of waste water processing, particularly a kind of producer gas generator method of wastewater treatment and treatment system thereof.
Background technology
The generation of coal gasification waste water: cooled coal gas producer is in coal gasification process, some mineral substance such as nitrogen chlorine sulphur and metal contained in coal, have when gasifying and be converted into ammonia prussiate and metallic compound greatly, carbon monoxide and water vapour react and generate a small amount of formic acid, formic acid, formic acid and ammonia react formic acid ammonia, these hazardous and noxious substances major parts are dissolved in washing water in gasification, gas washing water, steam be separated with coal gas after water of condensation in.
The coal gasification waste water that cooled coal gas stove produces is a kind of high density poisonous and harmful organic wastewater, and its principal feature has:
1, colourity is large, pollution level is high, and gasification waste water generally in Vandyke brown, has certain viscosity, in neutral meta-alkali, has strong phenol ammonia to smell taste.
, not only there is a large amount of suspended solids and water-soluble inorganic compound in waste water in 2, complicated component, and also has a large amount of phenolic compound benzene and its derivatives, and organic kind such as pyridine reaches hundreds of.
3, toxicity is large, not only has toxicity containing prussiate and phenols in waste water, containing a large amount of carcinogenic substance in coal tar.
4, the large gas furnace of the water yield is in gasification, water content due to coal itself adds steam gasification agent, through air cooler, washing coal gas after coal gas output, be down to the water of condensation of coal gas after 35-55 DEG C of production and application after indirect cooling and electric tar removing by outlet coal gas 450-550 DEG C, gas furnace gasifies one ton of coal large appointment generation 0.2-0.5m
3waste water.
The toxicity of coal gasification waste water is high, although have a lot in current treatment process, does not also have a kind of method that can be fully effective to process, if the emission standard reaching national regulation is more difficult.According to physics blow-off method, not only efficiency low, can not qualified discharge, still need biochemical treatment, biochemical treatment difficulty is large, and ammonia nitrogen enters air will cause odour secondary pollution; According to chemical decomposition method, then expense is too high, and equipment automatization requires high, and general technical is not yet ripe, and other treatment process are difficult to realize qualified discharge.
Summary of the invention
For above-mentioned deficiency, one of the object of the invention is, provide a kind of technique simple, cost is low, and the producer gas generator method of wastewater treatment of excellent wastewater treatment effect.
The present invention also aims to, provide a kind of and implement above-mentioned producer gas generator method of wastewater treatment, and easy handling, cost is low, the treatment system of excellent wastewater treatment effect.
For achieving the above object, the technical scheme provided is in the present invention:
A kind of producer gas generator method of wastewater treatment, it comprises the following steps:
(1) waste water is extracted into the first water tank, and adds dust precipitation agent simultaneously, make the dust in waste water and floating matter rapid precipitation;
(2) by wastewater streams to the second water tank of the first water tank process, in this second water tank, coal slag granules is placed with in advance, to filter the dust in waste water and floating matter;
(3) by the wastewater streams of the second water tank process to three-tank, the Draw off valve of this three-tank is provided with screen cloth, and to filter the dust in waste water and floating matter further, acquisition is purified waste water;
(4) be extracted into purifying waste water in the normal pressure chuck of producer gas generator, to lower the temperature to normal pressure chuck, evaporation simultaneously forms water vapor, by collecting pipe, this water vapor is sent into the mixing tank of producer gas generator, comes back in producer gas generator use as vaporized chemical.
As a modification of the present invention, described three-tank has two independent water cavities, and two independent water cavities are respectively equipped with inlet valve and Draw off valve.One of them independent water cavity uses, and another independent water cavity, as subsequent use, conveniently in use changes filter screen, ensures normally to work, increases work efficiency.
As a modification of the present invention, the order number of described screen cloth is more than or equal to 150 orders.
A kind for the treatment of system implementing above-mentioned producer gas generator method of wastewater treatment, it comprises the first water tank, the second water tank, three-tank and the 4th water tank that connect successively, described first water tank is provided with dust precipitation agent transfer lime, coal slag granules is provided with in described second water tank, the Draw off valve that described three-tank is connected with the 4th water tank is provided with screen cloth, described 4th water tank is connected with the normal pressure chuck of producer gas generator by filling pipe, and this normal pressure chuck is connected with the mixing tank of producer gas generator by collecting pipe.
As a modification of the present invention, the bottom of described first water tank, the second water tank, three-tank and the 4th water tank is provided with sewage draining exit.
As a modification of the present invention, described first water tank is provided with phenol water water inlet pipe.
As a modification of the present invention, described collecting pipe is provided with gas collection bag and vaporizer, and this vaporizer is connected with drying air fan.
As a modification of the present invention, it also comprises tar pool, and this tar pool is connected with described first water tank by tar pipeline.
Beneficial effect of the present invention is: method technique provided by the invention is simple, coal gasification waste water can be concentrated, resupply producer gas generator after filtration after purification to continue to use, not only purify environment, the fund of process waste water and the difficulty of process waste water has been saved to enterprise, also a saving water source, make to allow the waste water of enterprise's headache become available water resources in the past; System architecture provided by the invention is simple, be easy to realize, equipment manufacturing cost is low, and water treatment effect can reach discharging standards, without any outer row, all get back in gas furnace as vaporized chemical conveying and burn, in normal operation, additionally do not increase processing cost, also for enterprise has saved water source to enterprise, become waste recycling, and working stability is good, long service life, is beneficial to wide popularization and application.
Below in conjunction with accompanying drawing and embodiment, the present invention is further described.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Embodiment: see Fig. 1, the embodiment of the present invention provides a kind of producer gas generator method of wastewater treatment, and it comprises the following steps:
(1) waste water is extracted into the first water tank 1, and adds dust precipitation agent simultaneously, make the dust in waste water and floating matter rapid precipitation; Adding dust precipitation agent is the floating solid rapid precipitation allowed in waste water, accelerates wastewater treatment capacity, and the ratio of dust precipitation agent can according to the purity of precipitation agent, ratio is ten thousand/or several ten thousand/.
(2) by wastewater streams to the second water tank 2 that the first water tank 1 processed, in this second water tank 2, coal slag granules is placed with in advance, to filter the dust in waste water and floating matter; Preferably, need sieve to coal slag granules in advance, part comparatively tiny in removing cinder, uses and can carry out water filtration through the coal slag granules of water, if because coal slag granules is too thin, then waste water cannot natural flow.Preferably, the second water tank is flow to by the wastewater streams of the first water tank process by the bottom of the first water tank;
(3) wastewater streams processed by the second water tank 2 is to three-tank 3, and the Draw off valve of this three-tank 3 is provided with screen cloth, and to filter the dust in waste water and floating matter further, acquisition is purified waste water; Preferably, described three-tank 3 has two independent water cavities, and two independent water cavities are respectively equipped with inlet valve and Draw off valve.One of them independent water cavity uses, and another independent water cavity, as subsequent use, conveniently in use changes filter screen, ensures normally to work, increases work efficiency.And the order number of described screen cloth is more than or equal to 150 orders, the waste water after front twice process is carried out a screen filtration again, the solid dust in waste water and floating matter are all processed totally.Preferably, by the waste water of the second water tank process by the overhead stream of the second water tank to three-tank.
(4) be extracted into purifying waste water in the normal pressure chuck of producer gas generator 5, to lower the temperature to normal pressure chuck, evaporation simultaneously forms water vapor, by collecting pipe, this water vapor is sent into the mixing tank of producer gas generator 5, comes back in producer gas generator 5 use as vaporized chemical.Described producer gas generator 5 is preferably two section producer gas generator.
The technique of method provided by the invention is simple, coal gasification waste water can be reclaimed, producer gas generator 5 is resupplied after filtration after purification, not only purify environment, the fund of process waste water and the difficulty of process waste water has been saved to enterprise, also a saving water source, make to allow the waste water of enterprise's headache become available water resources in the past.
A kind for the treatment of system implementing above-mentioned producer gas generator method of wastewater treatment, it comprises the first water tank 1, second water tank 2, three-tank 3 and the 4th water tank 4 that connect successively, described first water tank 1 is provided with dust precipitation agent transfer lime 11, can also be provided with phenol water water inlet pipe 12 on described first water tank 1.Coal slag granules is provided with in described second water tank 2, the Draw off valve that described three-tank 3 is connected with the 4th water tank 4 is provided with screen cloth, described 4th water tank 4 is connected with the normal pressure chuck of producer gas generator 5 by filling pipe 6, and this normal pressure chuck is connected by the mixing tank of collecting pipe 7 with producer gas generator 5.Described 4th water tank 4 is used for storing the purifying waste water totally that be processed.Concrete, described collecting pipe is provided with gas collection bag 71 and vaporizer 72, and this vaporizer 72 is connected with drying air fan 73.
Preferably, be provided with sewage draining exit in the bottom of described first water tank 1, second water tank 2, three-tank 3 and the 4th water tank 4, for discharging dirt, convenient for cleaning.In the present embodiment, treatment system provided by the invention also comprises tar pool, and this tar pool is connected with described first water tank 1 by tar pipeline 13, makes the coal tar among waste water obtain efficient recovery.
System architecture provided by the invention is simple, be easy to realize, equipment manufacturing cost is low, and water treatment effect can reach discharging standards, without any outer row, all get back in gas furnace as vaporized chemical conveying and burn, in normal operation, additionally do not increase processing cost, also for enterprise has saved water source to enterprise, become waste recycling, and working stability is good, long service life, is beneficial to wide popularization and application.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change above-mentioned embodiment and revise.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this specification sheets, these terms just for convenience of description, do not form any restriction to the present invention.As described in the above embodiment the present invention, treatment process same or similar with it and treatment system is adopted, all in scope.
Claims (10)
1. a producer gas generator method of wastewater treatment, is characterized in that, it comprises the following steps:
(1) waste water is extracted into the first water tank, and adds dust precipitation agent simultaneously, make the dust in waste water and floating matter rapid precipitation;
(2) by wastewater streams to the second water tank of the first water tank process, in this second water tank, coal slag granules is placed with in advance, to filter the dust in waste water and floating matter;
(3) by the wastewater streams of the second water tank process to three-tank, the Draw off valve of this three-tank is provided with screen cloth, and to filter the dust in waste water and floating matter further, acquisition is purified waste water;
(4) be extracted into purifying waste water in the normal pressure chuck of producer gas generator, to lower the temperature to normal pressure chuck, evaporation simultaneously forms water vapor, by collecting pipe, this water vapor is sent into the mixing tank of producer gas generator, comes back in producer gas generator use as vaporized chemical.
2. producer gas generator method of wastewater treatment according to claim 1, is characterized in that, described three-tank has two independent water cavities, and two independent water cavities are respectively equipped with inlet valve and Draw off valve.
3. producer gas generator method of wastewater treatment according to claim 2, is characterized in that, the order number of described screen cloth is more than or equal to 150 orders.
4. producer gas generator method of wastewater treatment according to claim 1, is characterized in that, is flow to the second water tank by the wastewater streams of the first water tank process by the bottom of the first water tank; By the waste water of the second water tank process by the overhead stream of the second water tank to three-tank.
5. one kind implements the claims the treatment system of the described producer gas generator method of wastewater treatment of one of 1-4, it is characterized in that, it comprises the first water tank, the second water tank, three-tank and the 4th water tank that connect successively, described first water tank is provided with dust precipitation agent transfer lime, coal slag granules is provided with in described second water tank, the Draw off valve that described three-tank is connected with the 4th water tank is provided with screen cloth, described 4th water tank is connected with the normal pressure chuck of producer gas generator by filling pipe, and this normal pressure chuck is connected with the mixing tank of producer gas generator by collecting pipe.
6. treatment system according to claim 5, is characterized in that, the bottom of described first water tank, the second water tank, three-tank and the 4th water tank is provided with sewage draining exit.
7. treatment system according to claim 5, is characterized in that, described first water tank is provided with phenol water water inlet pipe.
8. treatment system according to claim 5, is characterized in that, described collecting pipe is provided with gas collection bag and vaporizer, and this vaporizer is connected with drying air fan.
9. treatment system according to claim 5, is characterized in that, it also comprises tar pool, and this tar pool is connected with described first water tank by tar pipeline.
10. treatment system according to claim 5, is characterized in that, described producer gas generator is two section producer gas generators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510119911.0A CN104710039B (en) | 2015-03-19 | 2015-03-19 | Wastewater treatment method for gas generation furnace and treatment system used in wastewater treatment method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510119911.0A CN104710039B (en) | 2015-03-19 | 2015-03-19 | Wastewater treatment method for gas generation furnace and treatment system used in wastewater treatment method |
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| Publication Number | Publication Date |
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| CN104710039A true CN104710039A (en) | 2015-06-17 |
| CN104710039B CN104710039B (en) | 2017-05-03 |
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| CN201510119911.0A Expired - Fee Related CN104710039B (en) | 2015-03-19 | 2015-03-19 | Wastewater treatment method for gas generation furnace and treatment system used in wastewater treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106336902A (en) * | 2016-11-18 | 2017-01-18 | 北京金泰瑞和工程科技有限公司 | Ammonia or methanol synthesizing system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080163548A1 (en) * | 2007-01-09 | 2008-07-10 | Mitsubishi Heavy Industries, Ltd. | Gasification system |
| CN101481188A (en) * | 2008-12-25 | 2009-07-15 | 唐山科源环保技术装备有限公司 | Treating method for phenolic waste water of gas producer gas station |
| CN101906327A (en) * | 2010-08-06 | 2010-12-08 | 霍镰泉 | Recovery processing method for phenol water of gas furnace |
| CN102515407A (en) * | 2011-12-20 | 2012-06-27 | 太原众联达机械设备有限公司 | Gas station phenol water processing process |
| CN203890305U (en) * | 2014-06-05 | 2014-10-22 | 沈子亮 | Phenol water treatment system of gas producer |
| CN104193098A (en) * | 2014-09-04 | 2014-12-10 | 临沂市顺弘建陶有限公司 | Method for treating wastewater generated by gas generator |
-
2015
- 2015-03-19 CN CN201510119911.0A patent/CN104710039B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080163548A1 (en) * | 2007-01-09 | 2008-07-10 | Mitsubishi Heavy Industries, Ltd. | Gasification system |
| CN101481188A (en) * | 2008-12-25 | 2009-07-15 | 唐山科源环保技术装备有限公司 | Treating method for phenolic waste water of gas producer gas station |
| CN101906327A (en) * | 2010-08-06 | 2010-12-08 | 霍镰泉 | Recovery processing method for phenol water of gas furnace |
| CN102515407A (en) * | 2011-12-20 | 2012-06-27 | 太原众联达机械设备有限公司 | Gas station phenol water processing process |
| CN203890305U (en) * | 2014-06-05 | 2014-10-22 | 沈子亮 | Phenol water treatment system of gas producer |
| CN104193098A (en) * | 2014-09-04 | 2014-12-10 | 临沂市顺弘建陶有限公司 | Method for treating wastewater generated by gas generator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106336902A (en) * | 2016-11-18 | 2017-01-18 | 北京金泰瑞和工程科技有限公司 | Ammonia or methanol synthesizing system |
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| CN104710039B (en) | 2017-05-03 |
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Granted publication date: 20170503 |