CN105623745A - Raw coal gas purification circulating device and method - Google Patents

Raw coal gas purification circulating device and method Download PDF

Info

Publication number
CN105623745A
CN105623745A CN201610048404.7A CN201610048404A CN105623745A CN 105623745 A CN105623745 A CN 105623745A CN 201610048404 A CN201610048404 A CN 201610048404A CN 105623745 A CN105623745 A CN 105623745A
Authority
CN
China
Prior art keywords
pipeline
tar
tube cooler
ammonia
horizontal water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610048404.7A
Other languages
Chinese (zh)
Inventor
尚文智
尚敏
张水军
刘军利
方胜利
刘蕾
李振义
李波
张�雄
尚振平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenmu Sanjiang Coal Chemical LLC
Original Assignee
Shenmu Sanjiang Coal Chemical LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenmu Sanjiang Coal Chemical LLC filed Critical Shenmu Sanjiang Coal Chemical LLC
Priority to CN201610048404.7A priority Critical patent/CN105623745A/en
Publication of CN105623745A publication Critical patent/CN105623745A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/04Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
    • C10K1/046Reducing the tar content
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72Other features
    • C10J3/82Gas withdrawal means
    • C10J3/84Gas withdrawal means with means for removing dust or tar from the gas
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/02Dust removal
    • C10K1/028Dust removal by electrostatic precipitation
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/08Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/10Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
    • C10K1/12Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors
    • C10K1/121Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors containing NH3 only (possibly in combination with NH4 salts)
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/20Purifying combustible gases containing carbon monoxide by treating with solids; Regenerating spent purifying masses
    • C10K1/26Regeneration of the purifying material contains also apparatus for the regeneration of the purifying material
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/20Purifying combustible gases containing carbon monoxide by treating with solids; Regenerating spent purifying masses
    • C10K1/30Purifying combustible gases containing carbon monoxide by treating with solids; Regenerating spent purifying masses with moving purifying masses

Abstract

The invention discloses a raw coal gas purification circulating device and method. The raw coal gas purification circulating device comprises a sediment tank 1, a tar ammonia water collection tank 2, a horizontal water-tube cooler 3, a coal gas water seal tank 4, an electrostatic tar catcher 5, an ammonia water circulating pump 6 and a coal gas fan 7, wherein one end of the coal gas water seal tank 4 communicates with a low-temperature retort furnace through a pipeline, and the other end communicates with the horizontal water-tube cooler 3 through a pipeline; the coal gas water seal tank 4 also communicates with the sediment tank 1 through a pipeline; the sediment tank 1 communicates with the tar ammonia water collection tank 2 through a pipeline; the tar ammonia water collection tank 2 communicates with the ammonia water circulating pump 6 through a pipeline; and the ammonia water circulating pump 6 communicates with a pipeline between the low-temperature retort furnace and the coal gas water seal tank 4. The device can collect and reutilize tar and coal gas generated in the retort process. Compared with the traditional industries, the device disclosed by the invention is environment-friendly and enhances the raw material utilization ratio.

Description

A kind of raw coke oven gas purification circulating device and method
Technical field
The present invention relates to the field of purification of raw coke oven gas, particularly to a kind of raw coke oven gas purification circulating device and method.
Background technology
Northern Shensi rich coal resources, the coal seam age is short, and degree of coalification is low, volatile matter is high, burning-point is low, tar yield is high, is the quality raw materials of low temperature distillation. Through development for many years, coal low temperature distillation industry has become a big pillar industry of local economy, and production capacity has reached 0.18��0.2 hundred million tons/year. As a new industry, remain and need to solve in substantial amounts of Technology problem. From sustainable development of socio-economy overall situation, actively develop the resource comprehensive utilization technology of retort process, exploitation clean coking new technology, form the clean coking production new technology being suitable for northern Shensi coal characteristic and outfit as early as possible, be greatly improved the scientific and technological level of northern Shensi coal, coal tar, coke-stove gas and generation comprehensive technology thereof, to Northern Shaanxi Energy chemical base construction and to the whole nation society and be significant through Zico sustainable development.
But the raw coke oven gas that current low temperature distillation stove dry distilling produces is all discharge after directly discharging or being filtered mostly, but the tar in raw coke oven gas cannot be collected, and so both causes atmospheric pollution, wastes again the energy.
Summary of the invention
For solving above-mentioned existing shortcoming, present invention is primarily targeted at a kind of raw coke oven gas purification circulating device of offer and method, it is possible to collect the tar, the coal gas that produce in dry distilling, recycle.
For reaching above-described purpose, a kind of raw coke oven gas purification circulating device of the present invention and method adopt the following technical scheme that:
A kind of raw coke oven gas purification circulating device, it is characterised in that: include sediment pot 1, tar ammonia collecting tank 2, horizontal water-tube cooler 3, gas liquor joint sealing 4, electrostatic tar collecting apparatus 5, ammonia circulation pump 6, gas fan 7; Gas liquor joint sealing 4 one end and low temperature distillation stove are by pipeline communication, and the other end and horizontal water-tube cooler 3 pass through pipeline communication; Described gas liquor joint sealing 4 also passes through pipeline communication with sediment pot 1; Described sediment pot 1 passes through pipeline communication with tar ammonia collecting tank 2; Described tar ammonia collecting tank 2 passes through pipeline communication with ammonia circulation pump 6; Described ammonia circulation pump 6 is connected with the pipeline between low temperature distillation stove with gas liquor joint sealing 4; Described ammonia circulation pump 6 is connected by pipeline with horizontal water-tube cooler 3, and pipeline is all provided with switch; Described horizontal water-tube cooler 3 also passes through pipeline communication with electrostatic tar collecting apparatus 5, and pipeline is provided with switch; Described electrostatic tar collecting apparatus 5 passes through pipeline communication with gas fan 7; Described electrostatic tar collecting apparatus 5 also passes through pipeline communication with tar ammonia collecting tank 2; Described gas fan 7 one end and low temperature distillation stove are by pipeline communication, and the other end is connected with outlet, and by exporting, outflow is outer to supply coal gas; Described gas fan 7 passes through pipeline communication with ammonia collecting tank 2; Coal gas after air, purification is sent in low temperature distillation stove by described air blower by pipeline.
Described horizontal water-tube cooler 3 is from top to bottom divided into one section of horizontal water-tube cooler 31 and two-stage nitration horizontal water-tube cooler 32, and one section of horizontal water-tube cooler 31 is connected with two-stage nitration horizontal water-tube cooler 32.
Described one section of horizontal water-tube cooler 31 is provided with one-step cooling water pipe 311; Described one-step cooling water pipe 311 one end and one-step cooling circulating water pool 312 are by pipeline communication, and the other end and one-step cooling water circulating pump 313 pass through pipeline communication; Described one-step cooling water circulating pump 313 passes through pipeline communication with one-step cooling circulating water pool 312.
Described two-stage nitration horizontal water-tube cooler 32 is provided with two-step cooling water pipe 312; Described two-step cooling water pipe 321 one end and two-step cooling circulating water pool 322 are by pipeline communication, and the other end and two-step cooling water circulating pump 323 pass through pipeline communication; Described two-step cooling water circulating pump 323 passes through pipeline communication with two-step cooling circulating water pool 322.
Described one section of horizontal water-tube cooler 31 passes through pipeline communication with gas liquor joint sealing 4; Described one section of horizontal water-tube cooler 31 is also connected by pipeline with ammonia circulation pump 6, and pipeline is provided with switch, and bottom is connected with tar ammonia collecting tank 2.
Described two-stage nitration horizontal water-tube cooler 32 is connected by pipeline with ammonia circulation pump 6, and pipeline is provided with switch, and bottom is connected with tar ammonia collecting tank 2; Described two-stage nitration horizontal water-tube cooler 32 is also connected by pipeline with electrostatic tar collecting apparatus 5.
Described electrostatic tar collecting apparatus 5 and ammonia circulation pump 6 are by pipeline communication, and pipeline is provided with switch; Described electrostatic tar collecting apparatus 5 is connected by pipeline with gas fan 7, and bottom and tar ammonia collecting tank 2 pass through pipeline communication.
Adopt the present invention of as above technical scheme, have the advantages that
The present invention can collect the tar, the coal gas that produce in dry distilling, recycles, compared with traditional industry, and not only environmental protection but also improve the utilization rate of raw material.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Description of reference numerals:
1-sediment pot, 2-tar ammonia collecting tank, 3-horizontal water-tube cooler, mono-section of horizontal water-tube cooler of 31-, 311-one-step cooling water pipe, 312-one-step cooling circulating water pool, 313-one-step cooling water circulating pump, 32-two-stage nitration horizontal water-tube cooler, 321-two-step cooling water pipe, 322-two-step cooling circulating water pool, 323-two-step cooling water circulating pump, 4-gas liquor joint sealing, 5-electrostatic tar collecting apparatus, 6-ammonia circulation pump, 7-gas fan.
Detailed description of the invention
In order to further illustrate the present invention, it is further illustrated below in conjunction with accompanying drawing:
As it is shown in figure 1, a kind of raw coke oven gas purification circulating device of the present invention, it is characterised in that: include sediment pot 1, tar ammonia collecting tank 2, horizontal water-tube cooler 3, gas liquor joint sealing 4, electrostatic tar collecting apparatus 5, ammonia circulation pump 6, gas fan 7; Gas liquor joint sealing 4 one end and low temperature distillation stove are by pipeline communication, and the other end and horizontal water-tube cooler 3 pass through pipeline communication; Gas liquor joint sealing 4 also passes through pipeline communication with sediment pot 1; Sediment pot 1 and tar ammonia collecting tank 2 pass through pipeline communication; Tar ammonia collecting tank 2 and ammonia circulation pump 6 pass through pipeline communication; Pipeline between ammonia circulation pump 6 with low temperature distillation stove with gas liquor joint sealing 4 is connected; Ammonia circulation pump 6 is connected by pipeline with horizontal water-tube cooler 3, and pipeline is all provided with switch; Horizontal water-tube cooler 3 also passes through pipeline communication with electrostatic tar collecting apparatus 5, and pipeline is provided with switch; Electrostatic tar collecting apparatus 5 and gas fan 7 pass through pipeline communication; Electrostatic tar collecting apparatus 5 also passes through pipeline communication with tar ammonia collecting tank 2; Gas fan 7 one end and low temperature distillation stove are by pipeline communication, and the other end is connected with outlet, and by exporting, outflow is outer to supply coal gas; Gas fan 7 and ammonia collecting tank 2 pass through pipeline communication; Coal gas after air, purification is sent in low temperature distillation stove by air blower by pipeline.
Horizontal water-tube cooler 3 is from top to bottom divided into one section of horizontal water-tube cooler 31 and two-stage nitration horizontal water-tube cooler 32, and one section of horizontal water-tube cooler 31 is connected with two-stage nitration horizontal water-tube cooler 32.
One section of horizontal water-tube cooler 31 is provided with one-step cooling water pipe 311; One-step cooling water pipe 311 one end and one-step cooling circulating water pool 312 are by pipeline communication, and the other end and one-step cooling water circulating pump 313 pass through pipeline communication; One-step cooling water circulating pump 313 and one-step cooling circulating water pool 312 pass through pipeline communication.
Two-stage nitration horizontal water-tube cooler 32 is provided with two-step cooling water pipe 312; Two-step cooling water pipe 321 one end and two-step cooling circulating water pool 322 are by pipeline communication, and the other end and two-step cooling water circulating pump 323 pass through pipeline communication; Two-step cooling water circulating pump 323 and two-step cooling circulating water pool 322 pass through pipeline communication.
One section of horizontal water-tube cooler 31 passes through pipeline communication with gas liquor joint sealing 4; One section of horizontal water-tube cooler 31 is also connected by pipeline with ammonia circulation pump 6, and pipeline is provided with switch, and bottom is connected with tar ammonia collecting tank 2.
Two-stage nitration horizontal water-tube cooler 32 is connected by pipeline with ammonia circulation pump 6, and pipeline is provided with switch, and bottom is connected with tar ammonia collecting tank 2; Two-stage nitration horizontal water-tube cooler 32 is also connected by pipeline with electrostatic tar collecting apparatus 5.
Electrostatic tar collecting apparatus 5 and ammonia circulation pump 6 are by pipeline communication, and pipeline is provided with switch; Electrostatic tar collecting apparatus 5 is connected by pipeline with gas fan 7, and bottom and tar ammonia collecting tank 2 pass through pipeline communication.
In use, whole device is first turned on; Under the effect of ammonia circulation pump 6, ammonia in tar ammonia collecting tank 2 flows in the pipeline that low temperature distillation stove is connected with gas liquor joint sealing 4 by pipeline, subsequently flow in gas liquor joint sealing 4, the raw coke oven gas derived from low temperature distillation stove is washed through gas liquor joint sealing 4, a part of tar in raw coke oven gas, impurity is washed away; Impure washings enter in sediment pot 1, and precipitation eventually enters into tar ammonia collecting tank 2 after filtering; Raw coke oven gas enters in one section of horizontal water-tube cooler 31 in horizontal water-tube cooler 3 by pipeline;
Then, after raw coke oven gas enters one section of horizontal water-tube cooler 31, under the effect of one-step cooling water circulating pump 313, the cooling water in one-step cooling circulating water pool 312 flows in one-step cooling water pipe 311 by pipeline; Raw coke oven gas cools down at one-step cooling water pipe 311 place, subsequently flows in two-stage nitration horizontal water-tube cooler 32.
After raw coke oven gas enters two-stage nitration horizontal water-tube cooler 32, under the effect of two-step cooling water circulating pump 323, the cooling water in two-step cooling circulating water pool 322 flows in two-step cooling water pipe 321 by pipeline; Raw coke oven gas cools down at two-step cooling water pipe 321 place, is discharged by bottom two-stage nitration horizontal water-tube cooler 32 subsequently.
All pipeline communication is passed through with tar ammonia collecting tank 2 bottom one section of horizontal water-tube cooler 31, two-stage nitration horizontal water-tube cooler 32; Often after a while, open the switch that ammonia circulation pump 6 is connected on pipeline with one section of horizontal water-tube cooler 31, two-stage nitration horizontal water-tube cooler 32, ammonia sprays into horizontal water-tube cooler 3 under the effect of ammonia circulation pump 6, tar, water-cooled lime set in one section of horizontal water-tube cooler 31, two-stage nitration horizontal water-tube cooler 32 are rinsed, is flowed back in tar ammonia collecting tank 2 by pipeline subsequently.
Coal gas after cooling is by, after discharging bottom two-stage nitration horizontal water-tube cooler 32, entering in electrostatic tar collecting apparatus 5; In electrostatic tar collecting apparatus 5, coal gas separates with tar, water-cooled lime set, and the coal gas of final purification is discharged by electrostatic tar collecting apparatus 5 top; Often after a while, open the switch that electrostatic tar collecting apparatus 5 is connected on pipeline with ammonia circulation pump 6, ammonia sprays in electrostatic tar collecting apparatus 5 under the effect of ammonia circulation pump 6, tar in electrostatic tar collecting apparatus 5, water-cooled lime set are rinsed out, is flowed back in tar ammonia collecting tank 2 by pipeline subsequently.
Finally, the coal gas after purification, in the pressurization of gas fan 7, enters in low temperature distillation stove in part through pipeline and recycles, and a part is outer for utilizing; Some condensed fluid of coal gas band after purification, is flowed back in tar ammonia collecting tank 2 by gas fan 7 and tar ammonia collecting tank 2 pipeline.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvement and supplement, these improve and supplement and also should be regarded as protection scope of the present invention.

Claims (8)

1. a raw coke oven gas purification circulating device, it is characterised in that: include sediment pot (1), tar ammonia collecting tank (2), horizontal water-tube cooler (3), gas liquor joint sealing (4), electrostatic tar collecting apparatus (5), ammonia circulation pump (6), gas fan (7); Gas liquor joint sealing (4) one end and low temperature distillation stove are by pipeline communication, and the other end and horizontal water-tube cooler (3) pass through pipeline communication; Described gas liquor joint sealing (4) also passes through pipeline communication with sediment pot (1); Described sediment pot (1) and tar ammonia collecting tank (2) pass through pipeline communication; Described tar ammonia collecting tank (2) and ammonia circulation pump (6) pass through pipeline communication; Described ammonia circulation pump (6) is connected with the pipeline between low temperature distillation stove with gas liquor joint sealing (4); Described ammonia circulation pump (6) is connected by pipeline with horizontal water-tube cooler (3), and pipeline is all provided with switch; Described horizontal water-tube cooler (3) also with electrostatic tar collecting apparatus (5) by pipeline communication, pipeline is provided with switch; Described electrostatic tar collecting apparatus (5) and gas fan (7) pass through pipeline communication; Described electrostatic tar collecting apparatus (5) also passes through pipeline communication with tar ammonia collecting tank (2); Described gas fan (7) one end and low temperature distillation stove are by pipeline communication, and the other end is connected with outlet, and by exporting, outflow is outer to supply coal gas; Described gas fan (7) and ammonia collecting tank (2) pass through pipeline communication; Coal gas after air, purification is sent in low temperature distillation stove by described air blower by pipeline.
2. a kind of raw coke oven gas purification circulating device according to claim 1, it is characterized in that: described horizontal water-tube cooler (3) is from top to bottom divided into one section of horizontal water-tube cooler (31) and two-stage nitration horizontal water-tube cooler (32), one section of horizontal water-tube cooler (31) is connected with two-stage nitration horizontal water-tube cooler (32).
3. a kind of raw coke oven gas purification circulating device according to claim 2, it is characterised in that: described one section of horizontal water-tube cooler (31) is provided with one-step cooling water pipe (311); Described one-step cooling water pipe (311) one end and one-step cooling circulating water pool (312) are by pipeline communication, and the other end and one-step cooling water circulating pump (313) pass through pipeline communication; Described one-step cooling water circulating pump (313) and one-step cooling circulating water pool (312) pass through pipeline communication.
4. a kind of raw coke oven gas purification circulating device according to claim 2, it is characterised in that: described two-stage nitration horizontal water-tube cooler (32) is provided with two-step cooling water pipe (312); Described two-step cooling water pipe (321) one end and two-step cooling circulating water pool (322) are by pipeline communication, and the other end and two-step cooling water circulating pump (323) pass through pipeline communication; Described two-step cooling water circulating pump (323) and two-step cooling circulating water pool (322) pass through pipeline communication.
5. a kind of raw coke oven gas purification circulating device according to claim 3 or 4, it is characterised in that: described one section of horizontal water-tube cooler (31) and gas liquor joint sealing (4) pass through pipeline communication; Described one section of horizontal water-tube cooler (31) is also connected by pipeline with ammonia circulation pump (6), and pipeline is provided with switch, and bottom is connected with tar ammonia collecting tank (2).
6. a kind of raw coke oven gas purification circulating device according to claim 5, it is characterized in that: described two-stage nitration horizontal water-tube cooler (32) is connected by pipeline with ammonia circulation pump (6), pipeline is provided with switch, and bottom is connected with tar ammonia collecting tank (2); Described two-stage nitration horizontal water-tube cooler (32) is also connected by pipeline with electrostatic tar collecting apparatus (5).
7. a kind of raw coke oven gas purification circulating device according to claim 1, it is characterised in that: described electrostatic tar collecting apparatus (5) and ammonia circulation pump (6) are by pipeline communication, and pipeline is provided with switch; Described electrostatic tar collecting apparatus (5) is connected by pipeline with gas fan (7), and bottom and tar ammonia collecting tank (2) pass through pipeline communication.
8. a method for raw coke oven gas decontamination cycle, the steps include:
Step one: open whole device; Under the effect of ammonia circulation pump (6), ammonia in tar ammonia collecting tank (2) flows in the pipeline that low temperature distillation stove is connected with gas liquor joint sealing (4) by pipeline, subsequently flow in gas liquor joint sealing 4, the raw coke oven gas derived from low temperature distillation stove is washed through gas liquor joint sealing (4), a part of tar in raw coke oven gas, impurity is washed away; Impure washings enter in sediment pot 1, and precipitation eventually enters into tar ammonia collecting tank (2) after filtering; Raw coke oven gas enters in one section of horizontal water-tube cooler 31 in horizontal water-tube cooler (3) by pipeline;
Step 2: after raw coke oven gas enters one section of horizontal water-tube cooler (31), under the effect of one-step cooling water circulating pump (313), the cooling water in one-step cooling circulating water pool (312) flows in one-step cooling water pipe (311) by pipeline; Raw coke oven gas cools down at one-step cooling water pipe (311) place, subsequently flows in two-stage nitration horizontal water-tube cooler (32);
Step 3: after raw coke oven gas enters two-stage nitration horizontal water-tube cooler (32), under the effect of two-step cooling water circulating pump (323), the cooling water in two-step cooling circulating water pool (322) flows in two-step cooling water pipe (321) by pipeline; Raw coke oven gas cools down at two-step cooling water pipe (321) place, is discharged by two-stage nitration horizontal water-tube cooler (32) bottom subsequently;
Pipeline communication is all passed through with tar ammonia collecting tank (2) in one section of horizontal water-tube cooler (31), two-stage nitration horizontal water-tube cooler (32) bottom; Often after a while, open the switch that ammonia circulation pump (6) is connected on pipeline with one section of horizontal water-tube cooler (31), two-stage nitration horizontal water-tube cooler (32), ammonia sprays into horizontal water-tube cooler (3) under the effect of ammonia circulation pump (6), one section of horizontal water-tube cooler (31), two-stage nitration horizontal water-tube cooler (32) interior tar, water-cooled lime set are rinsed, flows back in tar ammonia collecting tank (2) by pipeline subsequently;
Step 4: after the coal gas after cooling is discharged by two-stage nitration horizontal water-tube cooler (32) bottom, enters in electrostatic tar collecting apparatus (5); In electrostatic tar collecting apparatus (5), coal gas separates with tar, water-cooled lime set, and the coal gas of final purification is discharged by electrostatic tar collecting apparatus (5) top; Often after a while, open the switch that electrostatic tar collecting apparatus (5) is connected on pipeline with ammonia circulation pump (6), ammonia sprays in electrostatic tar collecting apparatus (5) under the effect of ammonia circulation pump (6), tar in electrostatic tar collecting apparatus (5), water-cooled lime set are rinsed out, flows back in tar ammonia collecting tank (2) by pipeline subsequently;
Step 5: the coal gas after purification, in the pressurization of gas fan (7), enters in low temperature distillation stove in part through pipeline and recycles, and a part is outer for utilizing; Some condensed fluid of coal gas band after purification, is flowed back in tar ammonia collecting tank (2) by gas fan (7) and tar ammonia collecting tank (2) pipeline.
CN201610048404.7A 2016-01-25 2016-01-25 Raw coal gas purification circulating device and method Pending CN105623745A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610048404.7A CN105623745A (en) 2016-01-25 2016-01-25 Raw coal gas purification circulating device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610048404.7A CN105623745A (en) 2016-01-25 2016-01-25 Raw coal gas purification circulating device and method

Publications (1)

Publication Number Publication Date
CN105623745A true CN105623745A (en) 2016-06-01

Family

ID=56039103

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610048404.7A Pending CN105623745A (en) 2016-01-25 2016-01-25 Raw coal gas purification circulating device and method

Country Status (1)

Country Link
CN (1) CN105623745A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113652268A (en) * 2021-08-17 2021-11-16 新兴铸管股份有限公司 Primary cooler water circulation system and control method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201660611U (en) * 2009-12-18 2010-12-01 陕西冶金设计研究院有限公司 Semi-coke gas purification tar recovery device
CN102277203A (en) * 2011-07-14 2011-12-14 王正中 New technology for directly cooling waste gas behind coke oven gas header and separating tar and ammonia
CN103087783A (en) * 2012-08-06 2013-05-08 山西鑫立能源科技有限公司 Device for exporting, condensing, recycling and purifying raw gas in coal pyrolysis furnace
CN205528639U (en) * 2016-01-25 2016-08-31 神木县三江煤化工有限责任公司 Raw coke oven gas purifying circulation device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201660611U (en) * 2009-12-18 2010-12-01 陕西冶金设计研究院有限公司 Semi-coke gas purification tar recovery device
CN102277203A (en) * 2011-07-14 2011-12-14 王正中 New technology for directly cooling waste gas behind coke oven gas header and separating tar and ammonia
CN103087783A (en) * 2012-08-06 2013-05-08 山西鑫立能源科技有限公司 Device for exporting, condensing, recycling and purifying raw gas in coal pyrolysis furnace
CN205528639U (en) * 2016-01-25 2016-08-31 神木县三江煤化工有限责任公司 Raw coke oven gas purifying circulation device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113652268A (en) * 2021-08-17 2021-11-16 新兴铸管股份有限公司 Primary cooler water circulation system and control method thereof

Similar Documents

Publication Publication Date Title
CN103194274B (en) Coke oven gas afterheat recovering method and device
CN104650937A (en) Method for preparing formed coke from low-metamorphic pulverized coal, heavy oil and tar residues as raw materials
CN105154144B (en) A kind of negative pressure benzene removal device and de- benzene method
CN104031663B (en) A kind of wet quenching novel process continuously
CN104046370A (en) Device and process for improving productivity of oil and gas and efficiently recovering oil and gas
CN102787874A (en) Device and method for power generation by waste heat of blast furnace slag
CN105670707A (en) Automatic cycle device and method for gas washing water (ammonia water)
CN105316015A (en) Upper-heating down-moving low-temperature pyrolysis furnace for powdered coal and oil shale powder
CN107628923A (en) A kind of negative pressure benzene removal system and method for rich oil half
CN203904268U (en) Device for improving oil and gas yield and efficiently recycling oil and gas
CN105018119A (en) External heating type descending low-temperature pyrolysis furnace for pulverized coal and oil shale powder
CN105623745A (en) Raw coal gas purification circulating device and method
CN205528639U (en) Raw coke oven gas purifying circulation device
CN203938647U (en) The integrated association hydrogen production from coal gasification of a kind of oil shale oil-refining utilization system
CN206295742U (en) A kind of dust-laden is pyrolyzed the full oil wash system of oil gas
CN210393787U (en) Coal gasification black water vacuum flash evaporation gas low-temperature waste heat energy recovery device
CN102010732B (en) Method and device for condensing and recovering shale oil in gas tower section of oil shale distillation system
CN204589076U (en) The resinous shale utilization system of a kind of coupled gas and solid thermal carriers
CN205328964U (en) Automatic tar extraction device of coal gas
CN102585856B (en) Method for manufacturing coal gas with biomass and municipal waste through pyrolysis
CN216320054U (en) Coking crude benzol fractionation device for desulfurization treatment
CN206915915U (en) Reduce the system equipment of distilled ammonia wastewater harmful components step by step based on the destructive distillation of briquette height
CN205528632U (en) Automatic circulating device of gas washing water " aqueous ammonia "
CN203174056U (en) Waste heat recovery device for coke oven coal gas
CN205328963U (en) Coal gas powder belt cleaning device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20160601