CN205528639U - Raw coke oven gas purifying circulation device - Google Patents
Raw coke oven gas purifying circulation device Download PDFInfo
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- CN205528639U CN205528639U CN201620070599.0U CN201620070599U CN205528639U CN 205528639 U CN205528639 U CN 205528639U CN 201620070599 U CN201620070599 U CN 201620070599U CN 205528639 U CN205528639 U CN 205528639U
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Abstract
The utility model discloses a raw coke oven gas purifying circulation device, including sediment jar (1), tar -ammonia water collection tank (2), horizontal water tube cooler (3), gas water seal case (4), quiet electrical tar precipitator (5), aqueous ammonia circulating pump (6), coal gas fan (7). The pipeline intercommunication is passed through with low temperature dry distillation furnace to gas water seal case (4) one end, and the other end communicates through the pipeline with horizontal water tube cooler (3), gas water seal case (4) still communicate through the pipeline with sediment jar (1), sediment jar (1) communicates through the pipeline with tar -ammonia water collection tank (2), tar -ammonia water collection tank (2) communicate through the pipeline with aqueous ammonia circulating pump (6), pipeline between aqueous ammonia circulating pump (6) and low temperature dry distillation furnace and gas water seal case (4) is linked together. The utility model discloses can solve the utility model discloses can collect the tar, the coal gas that produce in the dry distillation, recycle, compare with the traditional industry, not only environmental protection but also improved the utilization ratio of raw materials.
Description
Technical field
This utility model relates to the field of purification of raw coke oven gas, particularly to a kind of raw coke oven gas purification circulating device.
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 ton/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 clean coking production new technology and the outfit being suitable for northern Shensi coal characteristic as early as possible, it is greatly improved northern Shensi coal, coal tar, coke-stove gas and the scientific and technological level of generation comprehensive technology thereof, to Northern Shaanxi Energy chemical base construction and to whole nation society and is significant through Zico sustainable development.
But the raw coke oven gas that produces of current low temperature distillation stove dry distilling be the most all directly discharge or filter after discharge, but the tar in raw coke oven gas cannot be collected, and has the most both caused atmospheric pollution, has wasted again the energy.
Utility model content
For solving above-mentioned existing shortcoming, main purpose of the present utility model is to provide a kind of raw coke oven gas purification circulating device, it is possible to collects tar, the coal gas produced in dry distilling, recycles.
For reaching above-described purpose, a kind of raw coke oven gas purification circulating device of the present utility model adopts 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 passes through pipeline communication with low temperature distillation stove by pipeline communication, the other end and horizontal water-tube cooler 3；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 is connected with outlet by pipeline communication, the other end with low temperature distillation stove, 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 gas fan 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, one section of horizontal water-tube cooler 31 to be 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 passes through pipeline communication with one-step cooling circulating water pool 312 by pipeline communication, the other end and one-step cooling water circulating pump 313；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 321；Described two-step cooling water pipe 321 one end passes through pipeline communication with two-step cooling circulating water pool 322 by pipeline communication, the other end and two-step cooling water circulating pump 323；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.
Use this utility model of as above technical scheme, have the advantages that
This utility model can collect tar, the coal gas produced 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 structural representation of the present utility model.
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 this utility model, it is further illustrated below in conjunction with the accompanying drawings:
As it is shown in figure 1, a kind of raw coke oven gas purification circulating device of the present utility model, 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 passes through pipeline communication with low temperature distillation stove by pipeline communication, the other end and horizontal water-tube cooler 3；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 is connected with outlet by pipeline communication, the other end with low temperature distillation stove, 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 gas fan 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, one section of horizontal water-tube cooler 31 to be 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 passes through pipeline communication with one-step cooling circulating water pool 312 by pipeline communication, the other end and one-step cooling water circulating pump 313；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 321；Two-step cooling water pipe 321 one end passes through pipeline communication with two-step cooling circulating water pool 322 by pipeline communication, the other end and two-step cooling water circulating pump 323；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, after precipitation filters, eventually enter into tar ammonia collecting tank 2；Raw coke oven gas is entered 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 is flowed in one-step cooling water pipe 311 by pipeline；Raw coke oven gas cools down at one-step cooling water pipe 311, 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 is flowed in two-step cooling water pipe 321 by pipeline；Raw coke oven gas cools down at two-step cooling water pipe 321, 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；The most 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.
After coal gas after cooling is by discharging bottom two-stage nitration horizontal water-tube cooler 32, enter 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；The most 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, the tar in electrostatic tar collecting apparatus 5, water-cooled lime set is rinsed out, is flowed back in tar ammonia collecting tank 2 by pipeline subsequently.
Finally, the coal gas after purification is in the pressurization of gas fan 7, and a part is entered in low temperature distillation stove by 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 preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, on the premise of without departing from this utility model principle; can also make some improvement and supplement, these improve and supplement and also should be regarded as protection domain of the present utility model.
Claims (7)
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 passes through pipeline communication with low temperature distillation stove by pipeline communication, the other end and horizontal water-tube cooler (3)；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 passes through pipeline communication with electrostatic tar collecting apparatus (5), and 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 is connected with outlet by pipeline communication, the other end with low temperature distillation stove, 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 gas fan by pipeline.
A kind of raw coke oven gas purification circulating device the most 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) to be connected with two-stage nitration horizontal water-tube cooler (32).
A kind of raw coke oven gas purification circulating device the most 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 passes through pipeline communication with one-step cooling circulating water pool (312) by pipeline communication, the other end and one-step cooling water circulating pump (313)；Described one-step cooling water circulating pump (313) and one-step cooling circulating water pool (312) pass through pipeline communication.
A kind of raw coke oven gas purification circulating device the most 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 (321)；Described two-step cooling water pipe (321) one end passes through pipeline communication with two-step cooling circulating water pool (322) by pipeline communication, the other end and two-step cooling water circulating pump (323)；Described two-step cooling water circulating pump (323) and two-step cooling circulating water pool (322) pass through pipeline communication.
5. according to a kind of raw coke oven gas purification circulating device described in 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).
A kind of raw coke oven gas purification circulating device the most 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).
A kind of raw coke oven gas purification circulating device the most 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620070599.0U CN205528639U (en) | 2016-01-25 | 2016-01-25 | Raw coke oven gas purifying circulation device |
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| CN201620070599.0U CN205528639U (en) | 2016-01-25 | 2016-01-25 | Raw coke oven gas purifying circulation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105623745A (en) * | 2016-01-25 | 2016-06-01 | 神木县三江煤化工有限责任公司 | Raw coal gas purification circulating device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105623745A (en) * | 2016-01-25 | 2016-06-01 | 神木县三江煤化工有限责任公司 | Raw coal gas purification circulating device and method |
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