CN104386498B - A kind of High Temperature High Pressure powder body cooling pressure relief blow device and method - Google Patents
A kind of High Temperature High Pressure powder body cooling pressure relief blow device and method Download PDFInfo
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- CN104386498B CN104386498B CN201410455714.1A CN201410455714A CN104386498B CN 104386498 B CN104386498 B CN 104386498B CN 201410455714 A CN201410455714 A CN 201410455714A CN 104386498 B CN104386498 B CN 104386498B
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Abstract
The invention discloses a kind of High Temperature High Pressure powder body cooling pressure relief blow device and method, this device includes high pressure desuperheat canister assembly, middle transformation canister assembly and normal pressure collecting tank assembly, its mesohigh desuperheat canister assembly includes high pressure desuperheat tank, conveying wind apparatus and cyclone separator, high pressure desuperheat tank is provided with charging aperture, built-in cooling coil, and the wind cap being connected with conveying wind apparatus and air distribution plate, it is provided with cyclone separator outside high pressure desuperheat tank；Middle transformation canister assembly includes transformation tank, loading line, blowdown piping and transformation bulk cement storage tank, and loading line makes high pressure desuperheat tank equal with transformation pressure tank, and powder granule relies on self gravitation to decline, and blowdown piping makes high pressure powder granule release；Normal pressure collecting tank assembly critical piece is normal pressure tank, collects the powder granule through supercooling release.The present invention also can realize the effective continuous control to powder granule emission direction and flow rate.
Description
Technical field
The present invention relates to a kind of device and method that High Temperature High Pressure powder granule is cooled down pressure relief blow, it is adaptable to control High Temperature High Pressure powder granule flow direction and flow rate.
Background technology
The primary energy of China is based on coal, development along with industrial technology, the demand of coal is also being gradually increased, more coal inferior puts into electric power chemical field, the input of these colms can bring the problem such as atmospheric pollution and waste sludge discharge, in order to solve these contradiction, utilizes Coal Gasification Technology, solid coal dust is converted into coal gas so that utilize more convenient.For the Solid state fermentation of High Temperature High Pressure fluidized bed coal gasification stove, the present invention develops a kind of device that can carry out High Temperature High Pressure powder body cooling pressure relief blow, utilizes this device, moreover it is possible to realize the effective control to High Temperature High Pressure powder granule flow direction and flow rate.
Summary of the invention
Technical problem: it is an object of the invention to realize High Temperature High Pressure powder body being lowered the temperature and release process, a kind of High Temperature High Pressure powder body that powder granule flow direction and flow rate are effectively controlled cooling pressure relief device and method are provided, utilize this device can carry out continuous discharging slag, easy to operate.
Technical scheme: for above-mentioned technical problem, the technical scheme is that
The device of a kind of High Temperature High Pressure powder body cooling pressure relief blow, this device includes high pressure desuperheat canister assembly, middle transformation canister assembly and normal pressure collecting tank assembly；
Described high pressure desuperheat canister assembly includes high pressure desuperheat tank, fluidized wind device and cyclone separator, and the described import of high pressure desuperheat tank is connected with the outlet of water-cooled ash pipeline, arranges cooling coil, wind cap and air distribution plate in high pressure desuperheat tank；Conveying wind apparatus includes loosening wind and fluidized wind, and wherein the import of wind cap is connected with the outlet of loosening wind, and the import of air distribution plate is connected with the outlet of fluidized wind；The bottom of high pressure desuperheat tank is provided with fine grained passage and coarse granule passage, wherein the upper right side of fine grained passage is connected with the import of cyclone separator, fine grained passage is controlled by the first lock material valve and the first blocking valve, and coarse granule passage is controlled by the second lock material valve and the second blocking valve；There is discharge duct on the top of cyclone separator, is put gas control valve and second by first and puts gas control valve control, and the ash pipeline of cyclone separator lower end is controlled by lock material valve and blocking valve, and the outlet of ash pipeline is connected with transformation bulk cement storage tank import；
Described middle transformation canister assembly includes transformation tank, loading line, blowdown piping and transformation bulk cement storage tank, the import of described transformation tank is connected with the outlet of fine grained passage and coarse granule passage, the conical section of transformation pot bottom is connected with tremie pipe, and tremie pipe includes the 3rd lock material valve and the 3rd blocking valve；Loading line is connected with transformation tank respectively with blowdown piping, and wherein loading line includes air intake control valve, the first balance control valve and the second balance control valve；Blowdown piping includes the 3rd and puts gas control valve and the 4th and put gas control valve；The conical section of transformation bulk cement storage tank lower end is connected with ash pipeline, the 4th lock material valve and the 4th blocking valve control；
Described normal pressure collecting tank assembly includes normal pressure tank, and wherein the import of normal pressure tank exports with the tremie pipe of transformation tank and is connected, the 5th lock material valve and the 5th blocking valve control.
Utilizing conveying wind apparatus that powder granule is controlled, loosen wind and can well control flow direction and the flowing velocity of powder granule through wind cap, powder granule can be blown to cooling coil place and cool down by air distribution plate fluidized wind out.
The tank bottoms end of high pressure desuperheat arranges the surface slant setting of wind cap, it is possible to be easy to the landing of powder granule, it is to avoid accumulated plugging.
The meeting that particle diameter is less in overcooled powder granule in high pressure desuperheat tank by switching to fine grained passage, bigger then the falling along coarse granule passage of particle diameter in powder granule.
Utilizing the method that described device carries out the cooling release of High Temperature High Pressure powder granule, step is as follows:
Step 1, cooling: put into high pressure desuperheat tank from water-cooled ash pipeline by High Temperature High Pressure powder granule, start fluidized wind device simultaneously, adopt N2As the source of the gas of fluidized wind, loosening wind is imported high pressure desuperheat tank from wind cap, with this flow direction controlling powder granule and flow rate；Powder granule is blown to the cooling of cooling coil place through air distribution plate by fluidized wind, and less granule can through bypass channel to fine grained passage above cooling coil, and bigger granule can fall through into coarse granule passage after the cooling period；Fluidized wind carries part fine grained and enters cyclone separator, and fine grained falls to being collected, and fluidized wind is discharged from cyclone separator upper end；
Step 2, release: open air intake control valve and first balance control valve of loading line, by N2It is filled with transformation tank, pressure in transformation tank and the pressure in high pressure desuperheat tank close to time, close air intake control valve, open the second balance control valve so that the pressure in high pressure desuperheat tank and transformation tank keeps equal, first opens the first blocking valve and the second blocking valve, open the first lock material valve and the second lock material valve again, powder granule falls under gravity into transformation tank, opens the 3rd of blowdown piping successively and puts gas control valve and the 4th and put gas control valve, is discharged by gases at high pressure；Open control valve successively and control valve, making the powder granule in cyclone separator fall into transformation bulk cement storage tank；
Step 3, collection: open the 3rd blocking valve and the 3rd lock material valve successively, make the powder granule in transformation tank fall into normal pressure tank and be collected, open the 4th blocking valve and the 4th lock material valve successively, make the powder granule in transformation bulk cement storage tank fall into normal pressure tank and be collected；
Beneficial effect: compared with prior art, technical scheme has the advantage that
1, present invention achieves the effective process to High Temperature High Pressure powder granule, high pressure desuperheat tank utilizes cooling coil, achieve the cooling to high-temperature particle to process, powder granule is directed in transformation tank, by the operation to loading line and blowdown piping, achieve the blood pressure lowering to high pressure powder granule to process, finally powder granule is stored in normal pressure tank.
2, the present invention adopts wind cap, and the flow direction of granule is controlled, meanwhile, the importing of conveying wind also makes the flowing of powder granule become smooth and easy, it is to avoid slagging scorification blocking.
3, design fine grained passage and coarse granule passage, will not cause the blocking of runner, by increasing capacitance it is possible to increase the fluency of whole system and service life because of coarse grained accumulation.
4, having pressure equalisation passage between high pressure desuperheat tank and transformation tank, after both pressure balances, granule can rely on self gravitation to decline, and falls more steady, reduces the impact to transformation tank.
5, the gas that cyclone separator is separated can be circulated use as source of the gas, makes the service efficiency of device be improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, assembly of the invention and operational approach are carried out more specific detail.
As it is shown in figure 1, the invention discloses the device of a kind of High Temperature High Pressure powder body cooling pressure relief blow, this device includes high pressure desuperheat canister assembly, middle transformation canister assembly and normal pressure collecting tank assembly；
Described high pressure desuperheat canister assembly includes high pressure desuperheat tank 3, conveying wind apparatus and cyclone separator 29, and the described import of high pressure desuperheat tank 3 is connected with the outlet of water-cooled ash pipeline 1, arranges cooling coil 25, wind cap 4 and air distribution plate 7 in high pressure desuperheat tank 3；Conveying wind apparatus includes loosening wind 5 and fluidized wind 6, and wherein the import of wind cap 4 is connected with the outlet of loosening wind 5, and the import of air distribution plate 7 is connected with the outlet of fluidized wind 6；The bottom of high pressure desuperheat tank 3 is provided with fine grained passage 8 and coarse granule passage 31, wherein the upper right side of fine grained passage 8 is connected with the import of cyclone separator 29, fine grained passage 8 is controlled by the first lock material valve 11 and the first blocking valve 12, and coarse granule passage 31 is controlled by the second lock material valve 35 and the second blocking valve 36；There is discharge duct 28 on the top of cyclone separator 29, is put gas control valve 26 and second by first and puts gas control valve 27 and control, and the ash pipeline of cyclone separator 29 lower end is controlled by lock material valve 32 and blocking valve 33, and the outlet of ash pipeline is connected with transformation bulk cement storage tank 34 import；
Described middle transformation canister assembly includes transformation tank 19, loading line 14, blowdown piping 16 and transformation bulk cement storage tank 34, the import of described transformation tank 19 is connected with the outlet of fine grained passage 8 and coarse granule passage 31, conical section bottom transformation tank 19 is connected with tremie pipe, and tremie pipe includes the 3rd lock material valve 20 and the 3rd blocking valve 21；Loading line 14 is connected with transformation tank 19 respectively with blowdown piping 16, and wherein loading line 14 includes air intake control valve the 13, first balance control valve 15 and the second balance control valve 10；Blowdown piping 16 includes the 3rd and puts gas control valve 17 and the 4th and put gas control valve 18；The conical section of transformation bulk cement storage tank 34 lower end is connected with ash pipeline, the 4th lock material valve 37 and the 4th blocking valve 38 control；
Described normal pressure collecting tank assembly includes normal pressure tank 22, and wherein the import of normal pressure tank 22 exports with the ash pipeline of transformation tank 19 and is connected, the 5th lock material valve 23 and the 5th blocking valve 24 control.
Merit attention and utilize conveying wind apparatus that powder granule is controlled, loosening wind 5 and can well control flow direction and the flowing velocity of powder granule through wind cap 4, powder granule can be blown to cooling coil 25 place and cool down by air distribution plate 7 fluidized wind 6 out；
Merit attention high pressure desuperheat tank 3 bottom and arrange the surface slant setting of wind cap 4, it is possible to be easy to the landing of powder granule, it is to avoid accumulated plugging；
When meriting attention the process for different-grain diameter granule, the meeting that in high pressure desuperheat tank 3, particle diameter is less in overcooled powder granule by switching to fine grained passage 8, bigger then the falling along coarse granule passage 31 of particle diameter in powder granule；
Utilizing the method that described device carries out the cooling release of High Temperature High Pressure powder granule, step is as follows:
Step 1, cooling: put into high pressure desuperheat tank 3 from water-cooled ash pipeline 1 by High Temperature High Pressure powder granule, start conveying wind apparatus simultaneously, adopt N2As the source of the gas of fluidized wind, loosening wind 5 is imported high pressure desuperheat tank 3 from wind cap 4, with this flow direction controlling powder granule and flow rate；Powder granule is blown to the cooling of cooling coil 2 place through air distribution plate 7 by fluidized wind 6, and less granule can through bypass channel to fine grained passage 8 above cooling coil 25, and bigger granule can fall through into coarse granule passage 31 after the cooling period；Fluidized wind carries part fine grained and enters cyclone separator 29, and fine grained falls to being collected, and fluidized wind is discharged from cyclone separator 29 upper end；
Step 2, release: open air intake control valve 13 and first balance control valve 15 of loading line 14, by N2It is filled with transformation tank 19, pressure in transformation tank 19 and the pressure in high pressure desuperheat tank 3 close to time, close air intake control valve 13, open the second balance control valve 10, the pressure in high pressure desuperheat tank 3 and transformation tank 19 is made to keep equal, first open the first blocking valve 12 and the second blocking valve 36, open the first lock material valve 11 and the second lock material valve 35 again, powder granule falls under gravity into transformation tank 19, open the 3rd of blowdown piping 16 successively to put gas control valve 17 and the 4th and put gas control valve 18, gases at high pressure are discharged；Open control valve 33 successively and control valve 32, making the powder granule in cyclone separator 29 fall into transformation bulk cement storage tank 34；
Step 3, collection: open the 3rd blocking valve 21 and the 3rd lock material valve 20 successively, make the powder granule in transformation tank 19 fall into normal pressure tank 22 to be collected, open the 4th blocking valve 38 and the 4th lock material valve 37 successively, make the powder granule in transformation bulk cement storage tank 34 fall into normal pressure tank 22 and be collected.
Claims (4)
1. a High Temperature High Pressure powder body cooling pressure relief blow device, it is characterised in that this device includes high pressure desuperheat canister assembly, middle transformation canister assembly and normal pressure collecting tank assembly；
Described high pressure desuperheat canister assembly includes high pressure desuperheat tank (3), conveying wind apparatus and cyclone separator (29), the import of described high pressure desuperheat tank (3) is connected with the outlet of water-cooled ash pipeline (1), arranges cooling coil (25), wind cap (4) and air distribution plate (7) in high pressure desuperheat tank (3)；Conveying wind apparatus includes loosening wind (5) and fluidized wind (6), wherein the import of wind cap (4) is connected with the outlet of loosening wind (5), and the import of air distribution plate (7) is connected with the outlet of fluidized wind (6)；The bottom of high pressure desuperheat tank (3) is provided with fine grained passage (8) and coarse granule passage (31), wherein the upper right side of fine grained passage (8) is connected with the import of cyclone separator (29), fine grained passage (8) is controlled by the first lock material valve (11) and the first blocking valve (12), and coarse granule passage (31) is controlled by the second lock material valve (35) and the second blocking valve (36)；There is discharge duct (28) on the top of cyclone separator (29), put gas control valve (26) and second by first and put gas control valve (27) control, the ash pipeline of cyclone separator (29) lower end is controlled by lock material valve (32) and blocking valve (33), and the outlet of ash pipeline is connected with transformation bulk cement storage tank (34) import；
Described middle transformation canister assembly includes transformation tank (19), loading line (14), blowdown piping (16) and transformation bulk cement storage tank (34)；The import of described transformation tank (19) is connected with the outlet of fine grained passage (8) and coarse granule passage (31), the conical section of transformation tank (19) bottom is connected with tremie pipe, and tremie pipe includes the 3rd lock material valve (20) and the 3rd blocking valve (21)；Loading line (14) is connected with transformation tank (19) respectively with blowdown piping (16), and wherein loading line (14) includes air intake control valve (13), the first balance control valve (15) and the second balance control valve (10)；Blowdown piping (16) includes the 3rd and puts gas control valve (17) and the 4th and put gas control valve (18)；The conical section of transformation bulk cement storage tank (34) lower end is connected with ash pipeline, the 4th lock material valve (37) and the 4th blocking valve (38) control；
Described normal pressure collecting tank assembly includes normal pressure tank (22), wherein the import of normal pressure tank (22) exports with the tremie pipe of transformation tank (19) and is connected, the 5th lock material valve (23) and the 5th blocking valve (24) control.
2. High Temperature High Pressure powder body according to claim 1 cooling pressure relief blow device, it is characterised in that
The surface slant setting of wind cap (4) is arranged in high pressure desuperheat tank (3) bottom, it is simple to the landing of powder granule, it is to avoid accumulated plugging.
3. High Temperature High Pressure powder body according to claim 1 cooling pressure relief blow device, it is characterized in that, in high pressure desuperheat tank (3) in overcooled powder granule particle diameter less by switching to fine grained passage (8), bigger then the falling along coarse granule passage (31) of particle diameter in powder granule.
4. a High Temperature High Pressure powder body cooling pressure relief blow method, it is characterised in that the method comprises the steps:
Step 1: cooling: put into high pressure desuperheat tank (3) from water-cooled ash pipeline (1) by High Temperature High Pressure powder granule, starts conveying wind apparatus simultaneously, adopts N2As the source of the gas of fluidized wind, loosening wind (5) is imported high pressure desuperheat tank (3) from wind cap (4), with this flow direction controlling powder granule and flow rate；Powder granule is blown to cooling coil (25) place through air distribution plate (7) and cools down by fluidized wind (6); less granule can from cooling coil (25) top through bypass channel to fine grained passage (8), and bigger granule can fall through into coarse granule passage (31) after the cooling period；Fluidized wind carries part fine grained and enters cyclone separator (29), and fine grained falls to being collected, and fluidized wind is discharged from cyclone separator (29) upper end；
Step 2: release: open air intake control valve (13) and first balance control valve (15) of loading line (14), by N2It is filled with transformation tank (19), pressure in transformation tank (19) and the pressure in high pressure desuperheat tank (3) close to time, close air intake control valve (13), open the second balance control valve (10), the pressure in high pressure desuperheat tank (3) and transformation tank (19) is made to keep equal, first open the first blocking valve (12) and the second blocking valve (36), open the first lock material valve (11) and the second lock material valve (35) again, powder granule falls under gravity into transformation tank (19), open the 3rd of blowdown piping (16) successively to put gas control valve (17) and the 4th and put gas control valve (18), gases at high pressure are discharged；Open blocking valve (33) and lock material valve (32) successively, make the powder granule in cyclone separator (29) fall into transformation bulk cement storage tank (34)；
Step 3: collect: open the 3rd blocking valve (21) and the 3rd lock material valve (20) successively, make the powder granule in transformation tank (19) fall into normal pressure tank (22) to be collected, open the 4th blocking valve (38) and the 4th lock material valve (37) successively, make the powder granule in transformation bulk cement storage tank (34) fall into normal pressure tank (22) and be collected.
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| CN201410455714.1A CN104386498B (en) | 2014-09-09 | 2014-09-09 | A kind of High Temperature High Pressure powder body cooling pressure relief blow device and method |
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| CN104386498B true CN104386498B (en) | 2016-06-29 |
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| CN106743678B (en) * | 2016-11-11 | 2024-05-28 | 航天长征化学工程股份有限公司 | Turning plate type toothed belt powder conveying device |
| CN109277214B (en) * | 2018-10-31 | 2024-01-30 | 浙江凯色丽科技发展有限公司 | Mica powder subdivision device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0395619A1 (en) * | 1989-04-25 | 1990-10-31 | COCKERILL MECHANICAL INDUSTRIES Société Anonyme | Process for treatment and use of pyrolysis and bombustion products from a gasifier and plant for carrying out this process |
| CN102732325A (en) * | 2012-07-06 | 2012-10-17 | 东南大学 | High-pressure and high-temperature furnace slag wind and water cooling and deslagging device |
| CN103041748A (en) * | 2012-10-18 | 2013-04-17 | 东南大学 | Device and method for carrying out temperature reduction and pressure reduction on high-temperature and high-pressure solid particles |
| CN103723519A (en) * | 2013-12-30 | 2014-04-16 | 陕西大唐新能电力设计有限公司 | Coal ash collecting and delivery method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62275194A (en) * | 1986-05-23 | 1987-11-30 | Mitsubishi Heavy Ind Ltd | Air-pressure pulverized coal lock hopper system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0395619A1 (en) * | 1989-04-25 | 1990-10-31 | COCKERILL MECHANICAL INDUSTRIES Société Anonyme | Process for treatment and use of pyrolysis and bombustion products from a gasifier and plant for carrying out this process |
| CN102732325A (en) * | 2012-07-06 | 2012-10-17 | 东南大学 | High-pressure and high-temperature furnace slag wind and water cooling and deslagging device |
| CN103041748A (en) * | 2012-10-18 | 2013-04-17 | 东南大学 | Device and method for carrying out temperature reduction and pressure reduction on high-temperature and high-pressure solid particles |
| CN103723519A (en) * | 2013-12-30 | 2014-04-16 | 陕西大唐新能电力设计有限公司 | Coal ash collecting and delivery method |
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