CN1948442A - Air blowing continuous coal supplying device of coal gas generater and its technological method - Google Patents
Air blowing continuous coal supplying device of coal gas generater and its technological method Download PDFInfo
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- CN1948442A CN1948442A CN 200610032551 CN200610032551A CN1948442A CN 1948442 A CN1948442 A CN 1948442A CN 200610032551 CN200610032551 CN 200610032551 CN 200610032551 A CN200610032551 A CN 200610032551A CN 1948442 A CN1948442 A CN 1948442A
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- coal
- valve
- gas generator
- stoker
- producer gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
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Abstract
This invention relates to a technology method that gas producer of chemical plant and chemical fertilizer factory aerates continuously to add coal and installation of adding coal. The invention includes coal bracket, mechanism of transporting coal, control valve, cloth mechanism of storing coal, barrel of storing coal, in them the mechanism of transporting coal utilize machine of rubber roller to transport coal, or swinging hopper to add coal, stoker is installed with spigot of adding coal, gate valve, disk valve, fire hole valve, cloth mechanism of storing coal is installed with helical impeller fabric and cone-barrel fabric, barrel of storing coal is installed with lying posture and standing posture, its characteristic is: The installation of adding coal is equipped with safe hydrostat, used at hole of dispersing waterfall to prevent explosion which is caused by CO that is in aerated air and O2 that is in stoker contacting each other when gas producer aerating process is adding coal.
Description
Technical field
The producer gas generator that the present invention relates to chemical plant, fertilizer plant dry continuous rabbler's process and coal supply apparatus.
Background technology
Conventional at present producer gas generator operation operation has six operations: 1, blowing operation: be upwards to blow air from the stove bottom, in stove, be added with the incendiary coal, air is in pressure lock enters producer gas generator, through fly-ash separator 16, chimney valve 14, through the external emptying of chimney, mainly improve temperature (N in the air in the stove
2, 79%, O
2, 21%), O in the air
2Produce heat with the C burning, save in carbon-coating, reach about 1200 ℃, gas ingredients has CO, CO
2, N
2, CH
4, O
2, H
2, rare gas element, but major part is N
2Gas, stoker is in coaly attitude fully in this operation.2, recovery process: because of synthetic ammonia (NH
3) want H
2Atom, reclaim this moment is N
2Gas also has CO, CO
2, CH
4A small amount of O
2, rare gas element etc., pressure lock A is also leaving, and up valve 11 is opened, coal gas main valve 13 is opened, and closes the chimney valve simultaneously, this moment blowing air through stove → fly- ash separator 16,11, condensing tower 17,13, enter gas holder.Continue to hold the recuperation layer that has about 1200 ℃ in this stove.3, blow operation on: with steam from furnace bottom upwards blow, pressure lock A closes dead, steaming main valve B, nitrogen main valve F opens, E, 11 continues opening, and the steam that comes from the outside enters gas holder through valve B, E, H, 16,11,17,13, water vapor and the high temperature coal decomposing H that reacts
2, O
2Burnt H
2Gas enters gas holder, goes up nitrogen-adding valve G after operation entered for 5 seconds and opens, and air and steam enter in the stove and high temperature coal generation chemical reaction simultaneously, O
2Burning, gas ingredients has, CO, CO
2, N
2, H
2, CH
4, rare gas element, be endothermic process, temperature on move in the stove this moment, slightly descends, in 5 seconds before last blowing bundle, last nitrogen-adding valve G closes extremely automatically, gas all is semi-water gas at this moment.4, blow operation down: blow downwards from stove top, have only valve E, 11 to close, steam is through total steam valve B, steam valve C, stove H, descending valve 12,17,13 enter gas holder, and steam is the same in reaction in furnace, under blow open back 5 seconds of beginning under blow nitrogen-adding valve D and open, the same blowing equally, steam and high temperature coal react, gas ingredients is the same blows the same, before blowing bundle down 5 seconds under blow nitrogen-adding valve D and close.But under to blow nitrogen-adding valve D generally of no use, because of N in the semi-water gas
2The content surplus, H
2Gas has lacked, and stoker is in the coal state in this operation.5, blow on the secondary: upwards blow from the stove bottom with steam, mainly be to be back operation security consideration, stove all is a coal gas in the stove bottom after blowing under the operation of front, and air directly enters and will blast from lower furnace, on secondary, blow earlier, with steam the coal gas of stove bottom is caught up with only, valve 12, cap relief valve C close, and valve E, 11 opens, steam enters from stove bottom, or says and do not allow air directly contact with coal gas.6, blow off operation: be upwards to blow from the stove bottom at this moment with air, blow to blow on operation and the secondary after the operation through front following and have a large amount of semi-water gass with system in the stove, coal gas is all caught up with clean with this operation to gas holder, close E, 12, steam valve B, nitrogen main valve F, open pressure lock A simultaneously coal gas is all arrived in gas holder.Producer gas generator is after above six operations, and temperature has also descended in the stove, is next Cyclic Gas-making, so must get back to the blowing operation, improves furnace temperature again, fixed bed coal gas producer gap system gas simple process that Here it is.From the device of coal, the coal of the producer gas generator of chemical plant, fertilizer plant all is to adopt manually to take off the bell coal, or automatic stoking, and manually coal is the blowing out coal, automatic stoking be under continuous coal when blowing operation, when the blowing operation, be equipped with coal.When blowing operation under the cause all is steam, coal and steam enter in the producer gas generator simultaneously, no matter be lump coal or moulded coal, all soaked by water vapor, if lump coal, it also not too big problem, therefore, have only the producer gas generator that burns lump coal just to use automatic stoker, if moulded coal (promptly is broken into powder with last fine coal through machine, adds water, adding additives mixes and stirs the coal that extrusion processing becomes definite shape with machine), because of making moulded coal easily, water vapor glues wall, caking, sticking coal mouth down can't descend coal and uncontrollable coal down, burns the producer gas generator of moulded coal like this can not use automatic stoker under original processing condition, the output of minimum like this minimizing 15%, the cost of rising 10%.
Summary of the invention
The objective of the invention is to be improved, innovate at shortcoming that exists in the background technology and problem, provide a kind of lump coal, moulded coal are soaked and also can be automatically the device of coal continuously.
Another object of the present invention provides a kind of technology and method of continuous coal.
Technical scheme of the present invention is: construct a kind of stoker that comprises coal bunker, coal conveyor structure, control valve, coal storage material-feeding mechanism, coal storing tank, wherein the coal conveyor structure adopts the defeated coal of leather roller machine, or suspension bucket coal, stoker is provided with coal inlet valve, slide valve, disk valve, fire door valve, the coal storage material-feeding mechanism is provided with helical runner and conical core tank cloth, coal storing tank is provided with horizontal and vertical, it is characterized in that: coal supply apparatus is provided with the safety anti-explosive device, O in being used for preventing because of blowing air CO and stoker when producer gas generator blowing operation coal
2The discharging hole that contact is blasted.
The dry technology of continuous coal of producer gas generator of the present invention is:
One, is equipped with coal
When 1, being equipped with coal, blow working procedure states under producer gas generator is in: steam valve is opened, and steam enters in the body of heater from pipeline, enters gas holder from the body of heater bottom through descending valve, condensing tower, valve again;
Stoker state when 2, being equipped with coal, the fire door valve is first closing condition, and after disk valve was opened, slide valve was controlled by the instruction of producer gas generator microcomputer, opened, and this moment, coal flow to the coal storing tank naturally from coal hopper, and 5-10 rear disk second valve cuts out; Another stoker state when being equipped with coal, the fire door valve cuts out, this moment, coal feeding valve was opened earlier, leather roller machine and helical runner under the effect of propulsion source, rotation simultaneously, this moment, the coal storing tank of having arrived of the coal in the coal hopper suffered, be controlled by the instruction of producer gas generator microcomputer, after some seconds, leather roller machine, helical runner stop the rotation, and coal feeding valve is closed;
Two, coal
1, producer gas generator is in the blowing working procedure states during coal: pressure lock is opened, and air enters body of heater from pipeline, comes out from upper of furnace body, through fly-ash separator, chimney valve, again through the external emptying of chimney again;
2, stoker state of the art during coal: the fire door valve is opened, and the coal in this moment coal hopper is added in the producer gas generator, and coal adds back fire door valve and closes; Another state of the art of stoker during coal, the fire door valve is opened, helical runner entry into service under the propulsion source effect, the coal storage in the coal hopper all joins in the producer gas generator, and helical runner shuts down, and the fire door valve cuts out.
Advantage of the present invention is:
1, solved the producer gas generator that burns lump coal and be equipped with coal in the blowing operation, blown the operation coal down, going into stove like this is wet lump coal, influences the problem of the output of producer gas generator, and going into stove is dry coal, has improved the output of producer gas generator.
2, burn the producer gas generator of moulded coal, going into stove is dry coal, not sticking coal mouth down, and not sticking wall does not lump, and does not pulverize, and can realize full-automatic coal.
3, to furnace temperature also control easily.
4, blow the operation coal because of former under being, the blowing operation is equipped with coal, now changes blowing operation coal into, and blowing operation is equipped with coal, the stoker of applicable multiple model down.
5, alleviate 80% labour intensity, improved automatization level.
Description of drawings
Fig. 1 is a producer gas generator process principle figure of the present invention
Fig. 2 is conventional stoker structural representation
Fig. 3 is a helical runner formula moulded coal stoker structural representation
Embodiment
By Fig. 1 to 3 as can be known, the present invention includes coal bunker, coal conveyor structure, control valve, coal storage material-feeding mechanism, coal storing tank, wherein the coal conveyor structure adopts leather roller machine 2 defeated coals, or suspension bucket coal, stoker is provided with coal inlet valve 3, slide valve 31, disk valve 32, fire door valve 8, the coal storage material-feeding mechanism is provided with helical runner 4 and conical core tank 41 clothes, coal storing tank 6 is provided with horizontal and vertical, it is characterized in that: coal supply apparatus is provided with safety anti-explosive device 5, O in being used for preventing because of blowing air CO and stoker when producer gas generator blowing operation coal
2The discharging hole that contact is blasted.
Safety anti-explosive device 5 of the present invention is arranged on the coal supply apparatus coal storing tank 6.Described safety anti-explosive device 5 is venting of dust explosion holes that are assembled into thin aluminum sheet, releases energy rapidly when being used to blast.
Coal processing step of the present invention is:
One, is equipped with coal
When 1, being equipped with coal, blow working procedure states under producer gas generator is in: steam valve B, C open, and steam enters in the body of heater H from pipeline, enters gas holder from the body of heater bottom through descending valve 12, condensing tower 17, valve 13 again;
Stoker state when 2, being equipped with coal, fire door valve 8 is first closing conditions, and after disk valve 32 was opened, slide valve 31 was controlled by the instruction of producer gas generator microcomputer, opened, and this moment, coal flow to the coal storing tank 6 naturally from coal hopper 1, and 5-10 rear disk second valve 32 cuts out; Another stoker state when being equipped with coal, fire door valve 8 cuts out, this moment, coal feeding valve 3 was opened earlier, leather roller machine 2 and helical runner 4 under the effect of propulsion source, rotation simultaneously, the coal storing tank 6 of having arrived of the coal in this moment coal hopper 1 has suffered, be controlled by the instruction of producer gas generator microcomputer, after some seconds, leather roller machine 2, helical runner 4 stop the rotation, and coal feeding valve 3 is closed;
Two, coal
1, producer gas generator is in the blowing working procedure states during coal: pressure lock A opens, and air enters body of heater H from pipeline, comes out from upper of furnace body, through fly-ash separator 16, chimney valve 14, again through chimney 15 external emptying again;
2, stoker state of the art during coal: fire door valve 8 is opened, and the coal in this moment coal hopper 1 is added to 7 li of producer gas generators, and coal adds back fire door valve 8 and closes; Another state of the art of stoker during coal, fire door valve 8 is opened, helical runner 4 entry into service under the propulsion source effect, 1 coal storage in the coal hopper all joins 7 li of producer gas generators, and helical runner 4 shuts down, and fire door valve 8 cuts out.
The technological process of the conventional stoker of the present invention:
As shown in Figure 2, under being in, blows by producer gas generator operation when beginning, under the conical core tank 41 of distributor oil cylinder and coal storage material-feeding mechanism acts on simultaneously, coal storing tank 6 is (not the communicating) that separate with producer gas generator 7, be subjected to the micro-processor controlled instruction of producer gas generator, disk valve 32 leaves earlier, after open a sluice gate plate valve 31 (playing the manipulated variable effect), this moment, coal was by coal hopper 1, through slide valve 31, disk valve 32 is stored into coal storing tank 6, time arrives, slide valve 31 closes earlier, disk valve 32 closes again, finished the storage of coal this moment, wait for the blowing operation instruction of producer gas generator, when the blowing operation arrives, move (5-16 left and right sides second is adjustable) after 10 seconds, send instruction by microcomputer, the conical core tank 41 of distributor oil cylinder and coal storage material-feeding mechanism make progress simultaneously (also can downwards for opening), mention, at this moment, coal storing tank internal memory coal falls in the producer gas generator, be air with coal-fired what produced be blowing air (again cry air gas a small amount of CO) because of the blowing operation this moment, do not have water vapor (or a small amount of water vapor), the lump coal (moulded coal) that enters in the producer gas generator stove is done, and also can not block up, not sticking wall, not broken, time arrives, distributor oil cylinder and distributor valve be effect downwards simultaneously, and this moment, stoker and producer gas generator separated again, had so just finished automatic stoking one time.Repeat the front, just realized full-automatic coal, safety anti-explosive hole 5 has been security insurance effects at this moment, and when at blowing operation coal, blowing blowing air that operation produces is external emptying, but has CO to exist, in order to prevent CO and O
2Contact is blasted, and is provided with a venting of dust explosion hole that is assembled into thin aluminum sheet on stoker, if blast and energy can be discharged rapidly.
The technological process of helical runner formula moulded coal stoker of the present invention:
Fig. 3 is a kind of producer gas generator helical runner formula moulded coal automatic stoker, is made up of coal hopper 1, leather roller machine 2, coal inlet valve 3, helical runner 4, safety anti-explosive hole 5, coal storing tank 6, fire door valve 8, producer gas generator 7 etc.As shown in Figure 3, under being in, blows by producer gas generator operation when beginning, fire door valve 8 cuts out, stoker is (not the communicating) that separate with producer gas generator 7, be subjected to the micro-processor controlled instruction of producer gas generator, coal inlet valve 3 is opened earlier, this moment, leather roller machine and helical runner 4 were under the effect of propulsion source, begin rotation simultaneously, moulded coal from coal hopper 1 through leather roller machine 2, coal inlet valve 3, be stored between coal storing tank 6 and the helical runner 4, time is to (microcomputer sends instructions), leather roller machine 2, helical runner 4 stops operating, coal inlet valve 3 is closed, finished the storage of coal like this, wait for the blowing operation instruction of producer gas generator, when the blowing operation arrives, move (5-16 adjusts about second) after 10 seconds, send instruction by microcomputer, fire door valve 8 is opened earlier, helical runner 4 rotations subsequently all join coal storage in the producer gas generator 7, this moment is because of being the blowing operation, be air with coal-fired generation be that (air gas is in blowing air emptying again to blowing air, content CO is seldom arranged), do not have water vapor (or containing a spot of water vapor), moulded coal at this moment can not soaked, so the moulded coal that enters in the producer gas generator stove is done, can not block up yet, not sticking wall, not broken, sticking coal mouth down, when the time of coal arrives, helical runner 4 is earlier out of service, fire door valve 8 cuts out (this moment, stoker and producer gas generator separated again) subsequently, has so just finished automatic stoking one time.Repeat the front, just realized the circulation automatic stoking, safety anti-explosive hole 5 has been security insurance effects at this moment, when at blowing operation coal, though blowing blowing air that operation produces is external emptying (putting into atmosphere), but there is CO to exist, in order to prevent CO and O
2Contact is blasted, and is provided with a venting of dust explosion hole that is assembled into thin aluminum sheet on stoker, if blast, safety anti-explosive hole 5 can discharge energy rapidly.
Claims (4)
1, a kind of air blowing continuous coal supplying device of coal gas generater, comprise coal bunker, the coal conveyor structure, control valve, the coal storage material-feeding mechanism, coal storing tank, wherein the coal conveyor structure adopts the defeated coal of leather roller machine (2), or suspension bucket coal, stoker is provided with coal inlet valve (3), slide valve (31), disk valve (32), fire door valve (8), the coal storage material-feeding mechanism is provided with helical runner (4) and conical core tank (41) cloth, coal storing tank (6) is provided with horizontal and vertical, it is characterized in that: coal supply apparatus is provided with safety anti-explosive device (5), O in being used for preventing because of blowing air CO and stoker when producer gas generator blowing operation coal
2The discharging hole that contact is blasted.
2, air blowing continuous coal supplying device of coal gas generater according to claim 1 is characterized in that described safety anti-explosive device (5) is arranged on the coal supply apparatus coal storing tank (6).
3, air blowing continuous coal supplying device of coal gas generater according to claim 1 and 2 is characterized in that described safety anti-explosive device (5) is a venting of dust explosion hole that is assembled into thin aluminum sheet, releases energy rapidly when being used to blast.
4, a kind of producer gas generator continuous coal technology of drying may further comprise the steps:
One, is equipped with coal
When 1, being equipped with coal, blow working procedure states under producer gas generator is in: steam valve (B, C) is opened, and steam enters in the body of heater (H) from pipeline, enters gas holder from the body of heater bottom through descending valve (12), condensing tower (17), valve (13) again;
Stoker state when 2, being equipped with coal, fire door valve (8) is first closing condition, after disk valve (32) is opened, slide valve (31) is controlled by the instruction of producer gas generator microcomputer, open, this moment, coal flow to the coal storing tank (6) naturally from coal hopper (1), and 5-10 rear disk second valve (32) cuts out; Another stoker state when being equipped with coal, fire door valve (8) cuts out, coal feeding valve this moment (3) is opened earlier, leather roller machine (2) and helical runner (4) under the effect of propulsion source, rotation simultaneously, the coal storing tank (6) of having arrived of the coal in coal hopper this moment (1) has suffered, be controlled by the instruction of producer gas generator microcomputer, after some seconds, leather roller machine (2), helical runner (4) stop the rotation, and coal feeding valve (3) is closed;
Two, coal
1, producer gas generator is in the blowing working procedure states during coal: pressure lock (A) is opened, and air enters body of heater (H) from pipeline, comes out from upper of furnace body, through fly-ash separator (16), chimney valve (14), again through externally emptying of chimney (15) again;
2, stoker state of the art during coal: fire door valve (8) is opened, and the coal in coal hopper this moment (1) is added to producer gas generator (7) lining, and coal adds back fire door valve (8) and closes; Another state of the art of stoker during coal, fire door valve (8) is opened, helical runner (4) entry into service under the propulsion source effect, the coal storage of (1) in the coal hopper all joins producer gas generator (7) lining, and helical runner (4) shuts down, and fire door valve (8) cuts out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610032551 CN1948442A (en) | 2006-11-07 | 2006-11-07 | Air blowing continuous coal supplying device of coal gas generater and its technological method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610032551 CN1948442A (en) | 2006-11-07 | 2006-11-07 | Air blowing continuous coal supplying device of coal gas generater and its technological method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1948442A true CN1948442A (en) | 2007-04-18 |
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ID=38018068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610032551 Pending CN1948442A (en) | 2006-11-07 | 2006-11-07 | Air blowing continuous coal supplying device of coal gas generater and its technological method |
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| Country | Link |
|---|---|
| CN (1) | CN1948442A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786956A (en) * | 2012-08-06 | 2012-11-21 | 山西鑫立能源科技有限公司 | Continuous coal as fired feeding device |
| CN105960583A (en) * | 2014-03-06 | 2016-09-21 | 爱克斯崔里斯环球公司 | Improvements to aspirated sampling systems |
-
2006
- 2006-11-07 CN CN 200610032551 patent/CN1948442A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786956A (en) * | 2012-08-06 | 2012-11-21 | 山西鑫立能源科技有限公司 | Continuous coal as fired feeding device |
| CN102786956B (en) * | 2012-08-06 | 2013-10-09 | 山西鑫立能源科技有限公司 | Continuous coal feeding device for furnace |
| CN105960583A (en) * | 2014-03-06 | 2016-09-21 | 爱克斯崔里斯环球公司 | Improvements to aspirated sampling systems |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20070418 |