CN103041748B - Device and method for carrying out temperature reduction and pressure reduction on high-temperature and high-pressure solid particles - Google Patents
Device and method for carrying out temperature reduction and pressure reduction on high-temperature and high-pressure solid particles Download PDFInfo
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- CN103041748B CN103041748B CN201210397332.9A CN201210397332A CN103041748B CN 103041748 B CN103041748 B CN 103041748B CN 201210397332 A CN201210397332 A CN 201210397332A CN 103041748 B CN103041748 B CN 103041748B
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Abstract
The invention discloses a device for carrying out temperature reduction and pressure reduction on high-temperature and high-pressure solid particles. The device comprises a pressure tank assembly, a variable pressure tank assembly and a constant pressure tank assembly, wherein the pressure tank assembly comprises a pressure tank, a jacket cooling feed pipe, a return feeder and a solid particle cooler, the jacket cooling feed pipe, the return feeder and the solid particle cooler are arranged in the pressure tank, a discharge outlet of the jacket cooling feed pipe is connected to a feed inlet of the return feeder, and a discharge outlet of the return feeder is located at the upper end of the high-temperature solid particle cooler; the variable pressure tank assembly comprises a variable pressure tank, a first ash locking valve and a first air locking valve, wherein the first ash locking valve and the first air locking valve are arranged between a pressure relief device and the pressure tank, the variable pressure tank is also connected with a pressure relief device and a pressurizing device; and the constant pressure tank assembly comprises a constant pressure tank, a second ash locking valve and a second air locking valve, wherein the second ash locking valve and the second air locking valve are arranged between the constant pressure tank and the variable pressure tank. According to the invention, the temperature reduction and pressure reduction of high-temperature and high-pressure solid particles can be realized, the heat utilization rate is improved, and the device is simple in system and reliable in running.
Description
Technical field
The present invention relates to a kind of by the device and method of HTHP solid particle decrease temperature and pressure, be applicable to the occasion of HTHP solids discharge, flow-control and Waste Heat Reuse thereof.
Background technology
Chemical process and coal gasification course etc., all relate to the problems such as the discharge of HTHP powder, flow-control and Waste Heat Reuse, present stage does not have good solution.The present invention is by problems such as the discharge of solution HTHP solid particle, flow-control and Waste Heat Reuse, and system is simple, and flow-control is accurate, reliable.There is the feature such as applied range, strong adaptability, have good application prospect.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned the deficiencies in the prior art, and provide a kind of by the device and method of HTHP solid particle decrease temperature and pressure, the present invention can realize pressure and temperature reducing and the flow-control of HTHP solid powder, and improve heat utilization ratio, and system simple operation is reliable.
Technical scheme of the present invention is as follows:
A kind of by the device of HTHP solid particle decrease temperature and pressure, it is characterized in that: comprise pressurized tank assembly, transformation canister assembly and normal pressure tank assembly, described pressurized tank assembly comprises pressurized tank and is arranged on pressurized tank (interior chuck cooling tremie pipe, material returning device and solid particle cooler, the discharging opening of described chuck cooling tremie pipe is connected to the charging aperture of described material returning device, and the discharging opening of described material returning device is positioned at the upper end of described high-temperature solid particle cooler; Described transformation canister assembly comprises transformation tank and is arranged on the first grey valve of lock and the first blocking valve between unloader and pressurized tank, and transformation tank is also connected with a unloader and an inflator; Described normal pressure tank assembly comprises normal pressure tank and is arranged on second between normal pressure tank and transformation tank locks grey valve and the second blocking valve.
Described chuck cooling tremie pipe is water-cooling jacket tremie pipe.
Described material returning device is U-shaped material returning device.
By a method for HTHP solid particle decrease temperature and pressure, step is as follows:
The first step, HTHP solid particle enter U-shaped material returning device by chuck cooling tremie pipe, and in chuck, cooling agent is heated, and solid particle obtains part cooling, and the solid particle after cooling enters U-shaped material returning device, is subject to the control of fluidized wind, flows out U-shaped material returning device;
The solid particle of second step, outflow U-shaped material returning device is fallen on solid particle cooler, cryogenic coolant is connected with in solid particle cooler, the solid particle that temperature is higher and cooling agent countercurrent flow, solid particle is cooled, cooling agent is heated, and the solid particle after cooling can be discharged to transformation tank from tank body lower part;
3rd step, high pressure solid particle after cooling are opened inflator before entering transformation tank and are pressurized to by transformation tank suitable with pressure in pressure pan, then the first blocking valve and the grey valve of the first lock is opened, enter after transformation tank until solid particle, close the first lock grey valve, the first blocking valve and inflator, open unloader, transformation tank is unloaded after being depressed into normal pressure and close unloader; Solid particle after cooling enters after transformation tank completes stress-relief process, successively open the second blocking valve and the grey valve of the second lock respectively, after solid particle in transformation tank flows into normal pressure tank, successively close the second grey valve of lock and the second blocking valve respectively, complete a HTHP solid particle decrease temperature and pressure process.
The present invention is by the device of HTHP solid particle decrease temperature and pressure, HTHP solid particle enters U-shaped material returning device by water-cooling jacket tremie pipe, water-cooling jacket (or interlayer) interior cooling agent is heated, solid particle obtains part cooling, solid particle after cooling enters U-shaped material returning device, be subject to the control of fluidized wind, flow out U-shaped material returning device, by control flow check wind transmission air quantity thus control the flow of the HTHP solid particle flowing out U-shaped refeed line.When air quantity is higher than certain value, the solid particle in U-shaped material returning device is in fluidized state, and solid particle overflows U-shaped material returning device and enters cooling section, by regulating Boiler pressure control solid particle spillway discharge, and then controls the flow of HTHP solid particle; When air quantity is lower than certain value, the solid particle in U-shaped material returning device is in not fluidized state, and solid particle can not overflow U-shaped material returning device, and solid particle does not flow.The solid particle flowing out U-shaped material returning device is fallen on solid particle cooler, cryogenic coolant is connected with in solid particle cooler, the solid particle that temperature is higher and cooling agent countercurrent flow, solid particle is cooled, cooling agent is heated, and the solid particle after cooling can be discharged to transformation tank from tank body lower part; Enter transformation tank in order to make the high pressure solid particle after cooling from pressurized tank and realize release, high pressure solid particle after cooling is opened inflator and is pressurized to by transformation tank suitable with pressure in pressure pan before entering transformation tank, then the first blocking valve and the grey valve of the first lock is opened, enter after transformation tank until high pressure solid particle, close the first lock grey valve, the first blocking valve and inflator, open unloader, transformation tank is unloaded after being depressed into normal pressure and close unloader; High pressure solid particle after cooling enters after transformation tank completes stress-relief process, successively open the second blocking valve and the grey valve of the second lock respectively, after solid particle in transformation tank flows into normal pressure tank, successively close the second grey valve of lock and the second blocking valve respectively, complete a HTHP solid particle decrease temperature and pressure process, so repeatedly.
After HTHP solid particle enters U-shaped material returning device by water-cooling jacket tremie pipe, by control flow check wind transmission air quantity thus control the flow of the HTHP solid particle flowing out U-shaped refeed line.When air quantity is higher than certain value, the solid particle in U-shaped material returning device is in fluidized state, and solid particle overflows U-shaped material returning device and enters cooling section, by regulating Boiler pressure control solid particle spillway discharge, and then controls the flow of HTHP solid particle; When air quantity is lower than certain value, the solid particle in U-shaped material returning device is in not fluidized state, and solid particle can not overflow U-shaped material returning device, and solid particle does not flow.
The solid particle flowed out from U-shaped material returning device enters cooling section, and with the working medium countercurrent flow in solid particle cooler, compared with following current heat exchange, the countercurrent flow temperature difference is comparatively large, can increase heat exchange amount, reduces solid particle temperature, improves heat utilization efficiency.
Unloader and inflator can realize pressurising and the stress-relief process of transformation tank.
Compared with prior art, the present invention adopts pressurized tank assembly, transformation canister assembly and normal pressure tank assembly progressively to carry out decrease temperature and pressure to HTHP particle, and in the process of cooling, coordinate fluidized wind to drive the flowing of solid particle, improve the heat exchange efficiency of heat exchanger and cooler, solid particle is fast and effeciently lowered the temperature
Accompanying drawing explanation
Fig. 1: apparatus of the present invention structural representation;
Fig. 2: the structural representation of pressurized tank assembly of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is elaborated:
As shown in Figure 1 and Figure 2, apparatus of the present invention comprise pressurized tank assembly 1, transformation canister assembly 2 and normal pressure tank assembly 3, wherein pressurized tank assembly 1 comprises pressurized tank 1-4 and is arranged on chuck cooling tremie pipe 1-1, the U-shaped material returning device 1-2 and solid particle cooler 1-3 in pressurized tank 1-4, the discharging opening of described chuck cooling tremie pipe 1-1 is connected to the charging aperture of described material returning device 1-2, and the discharging opening of described U-shaped material returning device 1-2 is positioned at the upper end of described high-temperature solid particle cooler 1-3; Described transformation canister assembly 2 comprises transformation tank 2-3 and is arranged on first between unloader 2-4 and pressurized tank 1-4 locks grey valve 2-1 and the first blocking valve 2-2, and transformation tank 2-3 is also connected with an a unloader 2-4 and inflator 2-5; Described normal pressure tank assembly 3 comprises normal pressure tank 3-3 and is arranged on second between normal pressure tank 3-3 and transformation tank 2-3 locks grey valve 3-1 and the second blocking valve 3-2.
Pressurized tank assembly 1 top is provided with coolant outlet F, U-shaped material returning device 1-2 fluidized wind entrance C in the coolant outlet D after cryogenic coolant entrance A in HTHP solid particle inlet A, water-cooling jacket 1-1 and heating, solid particle cooling section heat exchanger tube after coolant entrance E and heating.Inflator 2-5 is provided with pressure gas entrance I and unloader 2-4 and is provided with pressure gas outlet H.Atmospheric storage tank 3-3 is provided with atmospheric low-temperature solid particle outlet G.
The method of HTHP solid particle decrease temperature and pressure is by the present invention, HTHP solid particle enters U-shaped material returning device 1-2 by water-cooling jacket tremie pipe 1-1, chuck (or interlayer) interior cooling agent is heated, solid particle obtains part cooling, solid particle after cooling enters U-shaped material returning device 1-2, be subject to the control of fluidized wind C, flow out U-shaped material returning device 1-2, by control flow check wind transmission C air quantity thus control the flow of the HTHP solid particle flowing out U-shaped refeed line 1-2.When air quantity is higher than certain value, the solid particle in U-shaped material returning device 1-2 is in fluidized state, and solid particle overflows U-shaped material returning device 1-2 and enters cooling section, by regulating Boiler pressure control solid particle spillway discharge, and then controls the flow of HTHP solid particle; When air quantity is lower than certain value, the solid particle in U-shaped material returning device 1-2 is in not fluidized state, and solid particle can not overflow U-shaped material returning device 1-2, and solid particle does not flow.The solid particle flowing out U-shaped material returning device 1-2 is fallen on solid particle cooler 1-3, cryogenic coolant is connected with in solid particle cooler 1-3, the solid particle that temperature is higher and cooling agent countercurrent flow, solid particle is cooled, cooling agent is heated, and the solid particle after cooling can be discharged to transformation tank 2-3 from tank body 1-4 bottom; Enter transformation tank 2-3 in order to make the high pressure solid particle after cooling from pressurized tank 1-4 and realize release, high pressure solid particle after cooling is opened inflator 2-5 and is pressurized to suitable with pressure in pressure pan by transformation tank 2-3 before entering transformation tank 2-3, then the grey valve 2-1 of the first blocking valve 2-2 and first lock is opened, enter after transformation tank 2-3 until high pressure solid particle, close the first lock grey valve 2-1, the first blocking valve 2-2 and inflator 2-5, open unloader 2-4, transformation tank 2-3 is unloaded after being depressed into normal pressure and close unloader 2-4; High pressure solid particle after cooling enters after transformation tank 2-3 completes stress-relief process, successively open the grey valve 3-1 of the second blocking valve 3-2 and second lock respectively, after solid particle in transformation tank 2-3 flows into normal pressure tank 3-3, successively close the second lock grey valve 3-1 and the second blocking valve 3-2 respectively, complete a HTHP solid particle decrease temperature and pressure process, so repeatedly.
Claims (3)
1. one kind by the device of HTHP solid particle decrease temperature and pressure, it is characterized in that: comprise pressurized tank assembly (1), transformation canister assembly (2) and normal pressure tank assembly (3), described pressurized tank assembly (1) comprises pressurized tank (1-4) and is arranged on chuck cooling tremie pipe (1-1) in pressurized tank (1-4), U-shaped material returning device (1-2) and solid particle cooler (1-3), the discharging opening of described chuck cooling tremie pipe (1-1) is connected to the charging aperture of described U-shaped material returning device (1-2), the discharging opening of described U-shaped material returning device (1-2) is positioned at the upper end of described high-temperature solid particle cooler (1-3), described chuck cooling tremie pipe (1-1) is provided with cryogenic coolant entrance, coolant outlet after described U-shaped material returning device (1-2) is provided with heating, described transformation canister assembly (2) comprises transformation tank (2-3) and is arranged on first between unloader (2-4) and pressurized tank (1-4) locks grey valve (2-1) and the first blocking valve (2-2), and transformation tank (2-3) is also connected with a unloader (2-4) and an inflator (2-5), described normal pressure tank assembly (3) comprises normal pressure tank (3-3) and is arranged on second between normal pressure tank (3-3) and transformation tank (2-3) locks grey valve (3-1) and the second blocking valve (3-2).
2. according to claim 1 by the device of HTHP solid particle decrease temperature and pressure, it is characterized in that: described chuck cooling tremie pipe is water-cooling jacket tremie pipe.
3. adopt device according to claim 1 by a method for HTHP solid particle decrease temperature and pressure, it is characterized in that, step is as follows:
The first step, HTHP solid particle enter U-shaped material returning device by chuck cooling tremie pipe, and in chuck, cooling agent is heated, and solid particle obtains part cooling, and the solid particle after cooling enters U-shaped material returning device, is subject to the control of fluidized wind, flows out U-shaped material returning device;
The solid particle of second step, outflow U-shaped material returning device is fallen on solid particle cooler, cryogenic coolant is connected with in solid particle cooler, the solid particle that temperature is higher and cooling agent countercurrent flow, solid particle is cooled, cooling agent is heated, and the solid particle after cooling can be discharged to transformation tank from tank body lower part;
3rd step, high pressure solid particle after cooling are opened inflator before entering transformation tank and are pressurized to by transformation tank suitable with pressure in pressure pan, then the first blocking valve and the grey valve of the first lock is opened, enter after transformation tank until solid particle, close the first lock grey valve, the first blocking valve and inflator, open unloader, transformation tank is unloaded after being depressed into normal pressure and close unloader; Solid particle after cooling enters after transformation tank completes stress-relief process, successively open the second blocking valve and the grey valve of the second lock respectively, after solid particle in transformation tank flows into normal pressure tank, successively close the second grey valve of lock and the second blocking valve respectively, complete a HTHP solid particle decrease temperature and pressure process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210397332.9A CN103041748B (en) | 2012-10-18 | 2012-10-18 | Device and method for carrying out temperature reduction and pressure reduction on high-temperature and high-pressure solid particles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210397332.9A CN103041748B (en) | 2012-10-18 | 2012-10-18 | Device and method for carrying out temperature reduction and pressure reduction on high-temperature and high-pressure solid particles |
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| CN103041748A CN103041748A (en) | 2013-04-17 |
| CN103041748B true CN103041748B (en) | 2015-03-11 |
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| CN201210397332.9A Expired - Fee Related CN103041748B (en) | 2012-10-18 | 2012-10-18 | Device and method for carrying out temperature reduction and pressure reduction on high-temperature and high-pressure solid particles |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103215080B (en) * | 2013-05-10 | 2014-11-05 | 东南大学 | Ash discharge device for high-temperature high-pressure ash particle and ash discharge method thereof |
| CN103542739A (en) * | 2013-10-28 | 2014-01-29 | 中国华能集团清洁能源技术研究院有限公司 | High-temperature fine particle material cooling and discharging system |
| CN104386498B (en) * | 2014-09-09 | 2016-06-29 | 东南大学 | A kind of High Temperature High Pressure powder body cooling pressure relief blow device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101169242A (en) * | 2006-10-25 | 2008-04-30 | 中国科学院工程热物理研究所 | Circulating fluidized bed boiler multiple-point return feeder |
| CN201697136U (en) * | 2010-04-27 | 2011-01-05 | 北京中科通用能源环保有限责任公司 | Anti-gas-leakage external superheating device for waste incinerator of circulating fluidized bed |
| CN102002400A (en) * | 2010-11-25 | 2011-04-06 | 山西天和煤气化科技有限公司 | Method for cooling and discharging pressurized fluidized gasification high-temperature fly ash |
| 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 |
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2012
- 2012-10-18 CN CN201210397332.9A patent/CN103041748B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101169242A (en) * | 2006-10-25 | 2008-04-30 | 中国科学院工程热物理研究所 | Circulating fluidized bed boiler multiple-point return feeder |
| CN201697136U (en) * | 2010-04-27 | 2011-01-05 | 北京中科通用能源环保有限责任公司 | Anti-gas-leakage external superheating device for waste incinerator of circulating fluidized bed |
| CN102002400A (en) * | 2010-11-25 | 2011-04-06 | 山西天和煤气化科技有限公司 | Method for cooling and discharging pressurized fluidized gasification high-temperature fly ash |
| 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 |
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