CN207452034U - A kind of broken coal gasification is using device of the carbon dioxide as coal lock gas - Google Patents
A kind of broken coal gasification is using device of the carbon dioxide as coal lock gas Download PDFInfo
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- CN207452034U CN207452034U CN201721423820.7U CN201721423820U CN207452034U CN 207452034 U CN207452034 U CN 207452034U CN 201721423820 U CN201721423820 U CN 201721423820U CN 207452034 U CN207452034 U CN 207452034U
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Abstract
Pressure regulation tube line is all connected with using device of the carbon dioxide as coal lock gas, coal lock one and coal lock two the utility model discloses a kind of gasification of broken coal, two pressure regulation tube lines are commonly connected to buffer tank outlet；Pressure-regulating valve one is set on the pressure regulation tube line being connected with coal lock one, pressure-regulating valve two is set on the pressure regulation tube line being connected with coal lock two；Coal is locked a pressure release and is connected with coal fine filter by No.1 coal lock blowdown line, No.1 coal lock blowdown line sets pressure-regulating valve three and switch valve one, coal locks two pressure releases and connects No. two coal lock blowdown lines, No. two coal lock blowdown lines are connected with No.1 coal lock blowdown line, and No. two coal lock blowdown lines set pressure-regulating valve four.The utility model meet fixed bed broken coal gasification require while, rationally make use of punching press gas energy, reduce coal gas discharge, suitable for fixed bed crushed coal pressure gasifying use double coal lock set gasification furnace.
Description
Technical field
The utility model is related to gasification furnace coal lock stamping technology field, more specifically, being to be related to a kind of broken coal gasification to adopt
The device of gas is locked by the use of carbon dioxide as coal.
Background technology
Crushed coal pressure gasifying coal lock punching press flow traditional design is coal gas punching press, and coal is locked to the coal of pressure release discharge by gas holder
Gas collect after, using coal lock gas reciprocating compressor by coal gas boosting continue to coal lock punching press, part coal gas discharge after directly into
Enter fuel gas pipe network, entire technological process floor space is larger, and operation is cumbersome.Part low-pressure gas is directly discharged to live torch
Middle burning.Follow-up coal gas refining step is (such as：Acid gas removal) substantial amounts of carbon dioxide can be discharged in operation, as can by this
Portion gas is used for coal lock punching press after collecting pressurization, and the traditional gas holder of cancellation, which is collected, discharges gas pressing technology, moreover it is possible to reduce a large amount of coals
The gas wasting of resources.
Utility model content
The purpose of this utility model is to overcome deficiencies of the prior art, provide a kind of broken coal gasification using titanium dioxide
Carbon as coal lock gas device, meet fixed bed broken coal gasification require while, rationally make use of punching press gas energy, reduce
Coal gas discharges.
The purpose of this utility model can be achieved through the following technical solutions.
A kind of broken coal gasification of the utility model is provided with ash using device of the carbon dioxide as coal lock gas including bottom
The gasification furnace of lock, the top of gasification furnace are provided with coal lock one and coal lock two, and the coal locks a top pressure pipe and gasification furnace pressure
Differential pressure controller one is connected between power pressure pipe, the coal is locked to be connected between two top pressure pipes and gasification furnace pressure power pressure pipe
There is differential pressure controller two, be connected with pressure-equalizing line between the coal lock one and coal lock two, set on the pressure-equalizing line
Switch valve two is equipped with,
The pressurising line inlet of the coal lock one and coal lock two is respectively connected with pressure regulation tube line, and two pressure are adjusted
Pipeline is commonly connected to the gas outlet of surge tank, and the import of the surge tank is connected with carbon dioxide manifold；Connect with coal lock one
The pressure-regulating valve one with one interlocked control of differential pressure controller is provided on the pressure regulation tube line connect, the pressure being connected with coal lock two
Power adjusts the pressure-regulating valve two being provided on pipeline with two interlocked control of differential pressure controller；
The pressure relief vent of the coal lock one locks blowdown line by No.1 coal with coal fine filter import and is connected, and described one
Gas flow direction is provided with pressure-regulating valve three and switch valve one on number coal lock blowdown line, the pressure release of the coal lock two goes out
Mouth is connected with No. two coal lock blowdown lines, and No. two coals lock blowdown line is connected with No.1 coal lock blowdown line, and described two
Pressure-regulating valve four is provided on number coal lock blowdown line；The pressure-regulating valve three and one interlocked control of differential pressure controller, institute
State differential pressure controller one and differential pressure controller two with one interlocked control of switch valve, the pressure-regulating valve four and differential pressure controller
Two interlocked controls.
The coal fine filter bottom is connected by coal dust discharge pipe line with coal powder collection device, the coal fine filter
Top is connected with blow-down pipe and blowback nitrogen pipeline, and back-flushing valve, the blowback nitrogen are provided on the blowback nitrogen pipeline
Differential pressure controller three, the differential pressure controller three and back-flushing valve interlocked control are connected between pipeline and coal fine filter cloth bag.
Compared with prior art, advantageous effect caused by the technical solution of the utility model is：
(1) for crushed coal pressure gasifying device, the fixed bed pressured gasification stove particularly to maximize uses the utility model
Double coal lock is fed, and the technique for collecting discharge gas pressurization by cancelling traditional gas holder and being used as coal and locking punching press gas puts two using sour off the row
Carbonoxide is pressurized buffered tank through compressor and enters pressurising pipe network, by pressure difference control system alternately to coal lock one and coal lock two into
Row punching press, in addition more gasification furnaces can carry out regulation flow process of avoiding the peak hour in order；
(2) the utility model designs coal lock one and the shape that pressure is mutually filled to each other of coal lock two under the pattern of single stove double coal lock
Formula, makes full use of the energy of release coal lock gas, and comparison raw coal lock gas punching press flow recycles emptying CO2 and locks punching press as coal
Gas reduces emptying Gas Resource consumption；
(3) coal fine filter is set in the utility model, for coal lock pressure release gas clean emission, using low-pressure nitrogen into
Row blowback purges the coal dust that cloth bag in coal fine filter adheres to, and cloth bag is enable to continue to adsorb coal dust, prevents coal dust from wasting
Meanwhile environmental protection.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Reference numeral:1 gasification furnace；2 coals lock one；3 coals lock two；4 ash locks；5 differential pressure controllers one；6 differential pressure controllers two；7
Differential pressure controller three；8 surge tanks；9 pressure-regulating valves one；10 pressure-regulating valves two；11 pressure-regulating valves three；12 switch valves one；
13 pressure-regulating valves four；14 back-flushing valves；15 coal fine filters；16 blow-down pipes；17 blowback nitrogen pipelines；18 gasifying agent input pipes
Line；19 synthesis gas discharge pipe lines；20 lime-ash discharge pipe lines；21 coal dust discharge pipe lines；22 pressure-equalizing lines；23 switch valves two；
24 pressure regulation tube lines；25 No.1 coals lock blowdown line；26 No. two coals lock blowdown line；27 threeways.
Specific embodiment
The utility model will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, the device of gas is locked in a kind of broken coal gasification of the utility model using carbon dioxide as coal, including gas
Change stove 1, the gasification furnace 1 includes gasification using broken coal pressurization counter current contacting continuous gasification dry ash extraction technique, the gasification furnace 1
Agent intake pipeline 18 and synthesis gas discharge pipe line 19,1 bottom of gasification furnace are provided with ash lock 4, and 4 lower parts of ash lock are connected with lime-ash
Discharge pipe line 20.1 top of gasification furnace is provided with coal lock 1 and coal lock 23, and using double coal lock blanking, coal periodically passes through coal
It locks in one 2 and 23 addition gasification furnace 1 of coal lock, gasifying agent and the coal counter current contacting from coal lock 1 and coal lock 23 generate rough coal
Gas, coal and the ash generated after gasifying agent reaction, periodically purge out after ash locks 4 pressure releases.The coal locks one 2 top pressure pipes
Differential pressure controller 1 is connected between 1 pressure pressure pipe of gasification furnace, the coal locks 1 pressure of 23 top pressure pipes and gasification furnace
Differential pressure controller 26 is connected between pressure pipe, pressure-equalizing line 22, institute are connected between the coal lock 1 and coal lock 23
It states and switch valve 2 23 is provided on pressure-equalizing line 22.
The pressurising line inlet of the coal lock 1 and the pressurising line inlet of coal lock 23 are respectively connected with pressure regulation tube line
24, two pressure regulation tube lines 24 are commonly connected to the gas outlet of surge tank 8, and the import of the surge tank 8 and carbon dioxide are total
Pipe is connected, and the surge tank 8 is used for the high-pressure carbon dioxide from carbon dioxide manifold into row buffering.Connect with coal lock 1
Pressure-regulating valve 1 is provided on the pressure regulation tube line 24 connect, the pressure-regulating valve 1 is interlocked with differential pressure controller 1
Control.With being provided with pressure-regulating valve 2 10 on the 23 pressure regulation tube lines 24 that be connecteds of coal lock, the pressure-regulating valve 2 10 and
26 interlocked control of differential pressure controller.
The pressure relief vent of the coal lock 1 locks blowdown line 25 by No.1 coal with 15 import of coal fine filter and is connected,
Gas flow direction is provided with pressure-regulating valve 3 11, threeway 27 and switch valve one on the No.1 coal lock blowdown line 25
12.The pressure relief vent of the coal lock 23 is connected with No. two coal lock blowdown lines 26, No. two coals lock blowdown line 26 and threeway
27 are connected, and pressure-regulating valve 4 13 is provided on No. two coals lock blowdown line 26.The pressure-regulating valve 3 11 and pressure
One 5 interlocked control of difference controller, the differential pressure controller 1 and differential pressure controller 26 with one 12 interlocked control of switch valve, institute
State pressure-regulating valve 4 13 and 26 interlocked control of differential pressure controller.
15 bottom of coal fine filter is connected by coal dust discharge pipe line 21 with coal powder collection device, the coal dust mistake
15 top of filter is connected with blow-down pipe 16 and blowback nitrogen pipeline 17, and back-flushing valve is provided on the blowback nitrogen pipeline 17
14, differential pressure controller 37, the differential pressure controller are connected between 15 cloth bag of the blowback nitrogen pipeline 17 and coal fine filter
37 and 14 interlocked control of back-flushing valve.The coal fine filter 15 uses bag type filtering technique, for the clean row of coal lock pressure release gas
It puts, blowback is carried out using low-pressure nitrogen, that is, opened using differential pressure control back-flushing valve 14, be passed through low-pressure nitrogen by pulverized-coal filtering
The coal dust that cloth bag adheres in device 15 purges, and cloth bag is enable to continue to adsorb coal dust.
The pressure-regulating valve 1, pressure-regulating valve 2 10, pressure-regulating valve 3 11, pressure-regulating valve 4 13, switch valve
One 12, switch valve 2 23, differential pressure controller 1 and differential pressure controller 26 form the pressure difference control system of the utility model, are used for
The pressure control of 1 coal of gasification furnace lock.The pressure difference control system passes through pressure-regulating valve 1, pressure-regulating valve 3 11, switch valve
1 and switch valve 2 23 control coal lock 1 pressure, the pressure difference control system pass through pressure-regulating valve 2 10, pressure adjust
Valve 4 13, switch valve 1 and switch valve 2 23 control the pressure of coal lock 23.
Although the function and the course of work of the utility model are described above in conjunction with attached drawing, the utility model is simultaneously
Above-mentioned concrete function and the course of work are not limited to, above-mentioned specific embodiment is only schematical rather than limits
Property, those of ordinary skill in the art, will not departing from the utility model aims and right under the enlightenment of the utility model
It asks under protected ambit, many forms can also be made, these are belonged within the protection of the utility model.
Claims (2)
1. a kind of broken coal gasification is provided with the grey gasification furnace for locking (4) using device of the carbon dioxide as coal lock gas including bottom
(1), coal is provided at the top of the gasification furnace (1) and locks two (3) of one (2) and coal lock, the coal locks pressure pipe and gasification at the top of one (2)
Differential pressure controller one (5) is connected between stove (1) pressure pressure pipe, the coal locks pressure pipe and gasification furnace (1) pressure at the top of two (3)
Differential pressure controller two (6) is connected between power pressure pipe, the coal is connected with pressure balance between locking two (3) of one (2) and coal lock
Pipeline (22) is provided with switch valve two (23) on the pressure-equalizing line (22), which is characterized in that
The pressurising line inlet that the coal locks two (3) of one (2) and coal lock is respectively connected with pressure regulation tube line (24), two pressures
Power adjusts the gas outlet that pipeline (24) is commonly connected to surge tank (8), import and the carbon dioxide manifold phases of the surge tank (8)
Connection；The pressure with differential pressure controller one (5) interlocked control is provided on the pressure regulation tube line (24) being connected with one (2) of coal lock
Regulating valve one (9) is locked with coal and is provided on the pressure regulation tube line (24) that be connected of two (3) and differential pressure controller two (6) interlocking control
The pressure-regulating valve two (10) of system；
The pressure relief vent that the coal locks one (2) is connected with coal fine filter (15) import by No.1 coal lock blowdown line (25)
It connects, gas flow direction is provided with pressure-regulating valve three (11) and switch valve one on the No.1 coal lock blowdown line (25)
(12), the pressure relief vent of described two (3) of coal lock is connected with No. two coals lock blowdown lines (26), and No. two coals lock blowdown line
(26) it is connected with No.1 coal lock blowdown line (25), pressure-regulating valve four is provided on No. two coals lock blowdown line (26)
(13)；The pressure-regulating valve three (11) and differential pressure controller one (5) interlocked control, the differential pressure controller one (5) and pressure difference
Controller two (6) is interlocked with switch valve one (12) interlocked control, the pressure-regulating valve four (13) and differential pressure controller two (6)
Control.
2. broken coal gasification according to claim 1 is using device of the carbon dioxide as coal lock gas, which is characterized in that described
Coal fine filter (15) bottom is connected by coal dust discharge pipe line (21) with coal powder collection device, the coal fine filter (15)
Top is connected with blow-down pipe (16) and blowback nitrogen pipeline (17), and back-flushing valve is provided on the blowback nitrogen pipeline (17)
(14), differential pressure controller three (7), the pressure are connected between the blowback nitrogen pipeline (17) and coal fine filter (15) cloth bag
Difference controller three (7) and back-flushing valve (14) interlocked control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423820.7U CN207452034U (en) | 2017-10-31 | 2017-10-31 | A kind of broken coal gasification is using device of the carbon dioxide as coal lock gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423820.7U CN207452034U (en) | 2017-10-31 | 2017-10-31 | A kind of broken coal gasification is using device of the carbon dioxide as coal lock gas |
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| CN207452034U true CN207452034U (en) | 2018-06-05 |
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| CN201721423820.7U Active CN207452034U (en) | 2017-10-31 | 2017-10-31 | A kind of broken coal gasification is using device of the carbon dioxide as coal lock gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107629818A (en) * | 2017-10-31 | 2018-01-26 | 天津渤化永利化工股份有限公司 | A kind of broken coal gasification is using device and handling process of the carbon dioxide as coal lock gas |
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2017
- 2017-10-31 CN CN201721423820.7U patent/CN207452034U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107629818A (en) * | 2017-10-31 | 2018-01-26 | 天津渤化永利化工股份有限公司 | A kind of broken coal gasification is using device and handling process of the carbon dioxide as coal lock gas |
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