CN202989074U - Integrated rotary radiation boiler and pre-boiler mixed energy utilization device - Google Patents
Integrated rotary radiation boiler and pre-boiler mixed energy utilization device Download PDFInfo
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- CN202989074U CN202989074U CN2012206789474U CN201220678947U CN202989074U CN 202989074 U CN202989074 U CN 202989074U CN 2012206789474 U CN2012206789474 U CN 2012206789474U CN 201220678947 U CN201220678947 U CN 201220678947U CN 202989074 U CN202989074 U CN 202989074U
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- 230000005855 radiation Effects 0.000 title claims abstract description 124
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 238000012546 transfer Methods 0.000 claims abstract description 60
- 239000002893 slag Substances 0.000 claims abstract description 51
- 238000002309 gasification Methods 0.000 claims abstract description 39
- 239000006200 vaporizer Substances 0.000 claims description 41
- 239000003245 coal Substances 0.000 claims description 17
- 239000003818 cinder Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000003250 coal slurry Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 21
- 238000003786 synthesis reaction Methods 0.000 abstract description 20
- 238000001816 cooling Methods 0.000 abstract description 10
- 238000011084 recovery Methods 0.000 abstract description 10
- 239000000428 dust Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000013517 stratification Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 45
- 238000000034 method Methods 0.000 description 10
- 238000002844 melting Methods 0.000 description 9
- 230000008018 melting Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 239000002918 waste heat Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000004523 agglutinating effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The utility model relates to an integrated rotary radiation boiler and pre-boiler mixed energy utilization device. The energy utilization device comprises a gasification furnace body and a heat recovery device, wherein the gasification furnace body is positioned above the heat recovery device, is connected with the heat recovery device through a flange and comprises a pressure shell, a refractory lining or a water cooling wall, a nozzle channel and a slag discharging port; the heat recovery device comprises a synthesis gas inlet, a radiation heat transfer assembly, a slag basin, a convection heat transfer assembly and a pressure shell; and the synthesis gas inlet is arranged on the top of the pressure shell, the radiation heat transfer assembly is positioned on the slag basin, the slag basin is positioned on the convection heat transfer assembly, and the radiation heat transfer assembly, the slag basin and the convection heat transfer assembly are integrated. The energy utilization device provided by the utility model can effectively absorb sensible heat of coarse synthesis gas after gasification so as to generate high-pressure steam or medium-pressure steam for generating electricity or preheating other working media, so that the energy utilization rate is greatly improved, and the energy recovery rate is high; and the whole size of an exhaust boiler is effectively reduced, the manufacture, transportation and installation of the device are convenient, and a dust stratification problem of a heat convection surface is also eliminated.
Description
Technical field
The utility model relates to the energy utilization device of Coal Gasification Technology, particularly the hybrid energy utilization device of integrated revolution shape radiant boiler preboiler.
Background technology
Gasification is cleaning, efficiently utilizes one of main approach of coal, and gasified raw material and oxygenant are mixed in vapourizing furnace, react rapidly, and the high-temperature synthesis gas of generation (approximately 1400 ℃) is delivered to next workshop and effectively utilized through cooling, dedusting.
In Coal Gasification Technology, the type of cooling of high-temperature synthesis gas mainly contains two kinds, and a kind of is chilling process, and another kind is pot destroying process.Chilling process is that high-temperature synthesis gas fully contacts with chilled water, and coal gas cooling down, melting slag are solidified.Chilling process does not reclaim the sensible heat in high-temperature synthesis gas, and efficiency of energy utilization is low.In pot destroying process, high-temperature synthesis gas enters successively radiant boiler and preboiler and carries out the heat exchange cooling, and carries out rough dusting.It can reclaim the sensible heat in synthetic gas to greatest extent, to produce high pressure steam or other processing mediums of preheating, this mode can reclaim and be equivalent in the feed coal low-grade heat 15 ~ 18% energy, makes heating gas efficient can reach 90 ~ 95%, has improved the efficiency of energy utilization of system.
In existing entrained flow bed gasification technology, the heat that adopts waste heat boiler to reclaim high-temperature synthesis gas generally has dual mode: the one, take Shell company as the powdered coal pressuring gasified technology of the air flow bed of representative, circulation cold air returns to the outlet of vapourizing furnace high-temperature synthesis gas the vapourizing furnace synthetic gas is cooled to 700～750 ℃, and then enters convection current exhaust-heat boiler heat exchange by-product middle pressure steam.Another kind is the coal water slurry gasification technique take GE company as representative, and high-temperature synthesis gas sensible heat adopts the mode of radiant boiler+counter current boiler to reclaim, the by-product high-pressure saturated steam.But also there are the problems such as complex structure, work-ing life be shorter in waste heat boiler of the prior art, is mainly manifested in:
(1) the Shell bed pulverized coal gasification technology adopts the circulation cold air chilling high-temperature synthesis gas of 1.3～1.5 times, increased the size of convection current exhaust-heat boiler and follow-up synthetic gas dust removal installation thereof, increased simultaneously the investment of equipment, the synthetic gas recycle compressor has increased the energy consumption of gasification installation; Due to the counter current boiler dust stratification, affected the heat transfer effect of counter current boiler, need to add than the more Quench gas of design Quench tolerance.
(2) the full cement sensible heat recovery system of synthetic gas in GE coal water slurry gasification technique is comprised of radiation waste heat boiler and two equipment of convection current exhaust-heat boiler, two equipment are independently arranged, facility investment is large, takes up room large, and the simultaneity factor reliability of operation is also because the complexity of equipment is affected; Radiant boiler synthetic gas temperature lacks regulating measure simultaneously, causes the counter current boiler dust stratification to stop up.
The utility model content
The utility model is defective and the deficiency that overcomes existing vapourizing furnace waste heat boiler, provide integrated pencil radiant boiler preboiler hybrid energy utilization device, be combined as a whole with the heat reclamation device that possesses radiation and convection vapourizing furnace, reach abundant recovery high-temperature synthesis gas and sensible heat that melting slag is with, reduce investment and save energy, improve the purpose of thermo-efficiency.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows:
The hybrid energy utilization device of integrated revolution shape radiant boiler preboiler is characterized in that: comprise gasification body of heater and heat reclamation device, the gasification body of heater is arranged at above heat reclamation device; Described gasification body of heater comprises pressure housing, refractory liner or water wall, be positioned at the nozzle passage at top and be positioned at the lower cinder notch of bottom; Described heat reclamation device comprises synthetic gas entrance, radiation heat transfer assembly, slag bath, convective heat exchange assembly, pressure housing, the synthetic gas entrance is positioned on the end socket of pressure housing top, the radiation heat transfer assembly is positioned at the top of slag bath, slag bath is positioned at the top of convective heat exchange assembly, and radiation heat transfer assembly, slag bath, convective heat exchange assembly are positioned at pressure housing and form one; The lower cinder notch of described gasification body of heater is connected by flange with the heat reclamation device top, and lower cinder notch is communicated with the synthetic gas entrance.
Described synthetic gas entrance is a long narrow passage, and the inwall of this synthetic gas entrance is refractory liner.
described radiation heat transfer assembly vertically is located in pressure housing, and with the abundant heat exchange of the gas of heat, the radiation heat transfer assembly comprises radiation water wall and radiation screen, and the radiation water wall is the cylindrical wall that the standpipe by several parallel longitudinal settings surrounds, and two adjacent standpipes are by being welded to connect, and the centre of cylindrical wall is the radiation heat transfer chamber, the radiation heat transfer assembly also comprises radiation water wall upper collecting chamber, radiation water wall lower header, radiation water wall water inlet pipe, radiation water wall fairlead and radiation water wall surface, radiation water wall upper collecting chamber is communicated with the upper end of each standpipe, radiation water wall lower header is communicated with the lower end of each standpipe, one end of radiation water wall water inlet pipe and pressure housing are affixed and be located at the outside of pressure housing, the other end of radiation water wall water inlet pipe is communicated with radiation water wall upper collecting chamber, one end of radiation water wall fairlead and the upper cover of pressure housing are affixed, the other end is communicated with radiation water wall upper collecting chamber.
Described radiation screen is formed by several standpipes row, and standpipe row outwards disperses with the center of heat reclamation device and is distributed in the radiation heat transfer chamber, and each standpipe row is formed by some standpipes, and adjacent two standpipes that standpipe is arranged are close to setting; The radiation heat transfer assembly also comprises radiation screen upper collecting chamber, radiation screen lower header, radiation screen water inlet pipe, radiation screen fairlead, the lower end of radiation screen heating surface is communicated with the radiation screen lower header, the upper end of radiation screen heating surface is communicated with the radiation screen upper collecting chamber, radiation screen water inlet pipe and radiation screen fairlead are communicated with radiation screen lower header and radiation screen upper collecting chamber respectively, and are drawn out to outside pressure housing.
Described slag bath is in the bottom of radiation heat transfer assembly, and the slag bath outer end is connected by web plate and fixes with pressure housing, and the lower end of slag bath connects scum pipe, and scum pipe extends to outside pressure housing.
Described convective heat exchange assembly comprises vaporizer, superheater and economizer, and vaporizer, superheater and economizer are arranged in the space of pressure housing from top to bottom successively.
Described vaporizer, superheater and economizer are formed by one group of spiral pipe respectively, and every group of spiral pipe comprises respectively four helical layer endless tubes, between every two-layer spiral endless tube, certain distance are arranged, every helical layer endless tube by pipe closely around forming.
Described vaporizer also comprises vaporizer upper collecting chamber, vaporizer lower header, vaporizer water inlet pipe, vaporizer fairlead, the upper end that forms the spiral pipe of vaporizer is communicated with the vaporizer upper collecting chamber, the lower end that forms the spiral pipe of vaporizer is communicated with the vaporizer lower header, the vaporizer water inlet pipe is communicated with the vaporizer lower header, and the vaporizer fairlead is communicated with the vaporizer upper collecting chamber; Described superheater also comprises superheater upper collecting chamber, superheater lower header, superheater water inlet pipe, superheater fairlead, the upper end that forms the spiral pipe of superheater is communicated with the superheater upper collecting chamber, the lower end that forms the spiral pipe of superheater is communicated with the superheater lower header, the superheater water inlet pipe is communicated with the superheater lower header, and the superheater fairlead is communicated with the superheater upper collecting chamber; Described economizer also comprises economizer upper collecting chamber, economizer lower header, economizer water inlet pipe, economizer fairlead, the upper end that forms the spiral pipe of superheater is communicated with the economizer upper collecting chamber, the lower end that forms the spiral pipe of economizer is communicated with the economizer lower header, the economizer water inlet pipe is communicated with the economizer lower header, and the economizer fairlead is communicated with the economizer upper collecting chamber; Vaporizer water inlet pipe, vaporizer fairlead, superheater water inlet pipe, superheater fairlead, economizer water inlet pipe, economizer fairlead all extend to outside pressure housing.
Described vapourizing furnace is airflow bed gasification furnace, and this airflow bed gasification furnace is the single nozzle vapourizing furnace, perhaps multi nozzle of gasification furnace, perhaps coal slurry vapourizing furnace, perhaps powder coal gasification furnace, perhaps water wall gasifier, the perhaps various forms of vapourizing furnaces such as refractory liner vapourizing furnace.
Specific works principle of the present utility model is:
Gasified raw material (coal water slurry or dry pulverized coal) and oxygenant are mixed in the gasification body of heater, generating gasification reaction rapidly, synthetic air-flow and the melting slag (temperature is about 1400 ℃) of generation High Temperature High Pressure; After the synthetic air-flow of this High Temperature High Pressure and melting slag go out vapourizing furnace, enter heat reclamation device by long narrow synthetic gas entrance with higher gas velocity, enter backward time by the radiation heat transfer chamber, heat is passed to the radiation water wall of surrounding in the mode of radiative transfer; Because circulation area enlarges, melting slag under synthetic airflow function to the surrounding splash, from leaving the synthetic gas entrance to the process that arrives the radiation water wall, sufficiently cooled, solidify and lose agglutinating value(of coal), fall under gravity in the slag bath of radiation heat transfer assembly bottom, mixes with water in slag bath sharply cooling, the solid-state lime-ash of formation high rigidity, lime-ash enters in the lock slag ladle with water, blow device is set near slag bath, carries out the disturbance of Anti-slagging precipitation, guarantee the reliable and stable operation of dreg removing system; Simultaneously, synthetic gas stream is through the reflexed of the slag bath water surface, and synthetic air-flow continues to enter the convective heat exchange assembly downwards by the passage between slag bath and radiation water wall, further cooling down.
Described heat reclamation device is combined as a whole radiation heat transfer and convective heat exchange, and recovery sensible heat that high-temperature synthesis gas is with as much as possible, and the radiation heat transfer screen is in the middle and lower part in radiation heat transfer chamber, its existence has increased the radiation heat transfer face, reduced the volume of radiation heat transfer assembly, made heat transfer effect better.
The beneficial effects of the utility model are as follows:
(1) the utility model can effectively absorb the sensible heat of the crude synthesis gas after gasification, produces high pressure steam or middle pressure steam and is used for generating or other working medium of preheating, and whole energy utilization rate improves greatly, has advantages of that the energy recovery utilization ratio is high.
(2) the hybrid energy utilization device of integrated revolution shape radiant boiler preboiler that provides of the utility model, its heat reclamation device adopts the Double water-cooled wall construction to design and arrange radiation heat transfer screen and convective heat exchange face, effectively reduced the waste heat boiler overall dimensions, made, transport and install more for convenience.
Description of drawings
Fig. 1 is cross-sectional schematic of the present utility model;
Fig. 2 is the A-A cross section cross-sectional schematic in the utility model Fig. 1;
Fig. 3 is the B-B cross section cross-sectional schematic in the utility model Fig. 1;
Fig. 4 is the partial schematic diagram of the I section in the utility model Fig. 1.
Wherein, Reference numeral is: 1 gasification body of heater, 2 heat reclamation devices, the pressure housing of 3 vapourizing furnaces, the refractory liner of 4 vapourizing furnaces or water wall, 4 nozzle passages, 5 times cinder notch, 6 nozzle passages, 7 synthetic gas entrances, 8 radiation heat transfer assemblies, 8-1 radiation water wall, 8-2 radiation screen, 9 slag baths, the 9-1 web plate, 9-2 scum pipe, 10 convective heat exchange assemblies, the 10-1 vaporizer, the 10-2 superheater, 10-3 economizer, 10-4 convective heat exchange water wall, 11 flanges, the refractory liner of 12 synthetic gas entrances, 13 synthetic gas venting ports, the pressure housing of 14 heat reclamation devices.
Embodiment
As shown in Figure 1, the hybrid energy utilization device of integrated revolution shape radiant boiler preboiler, comprise gasification body of heater 1 and heat reclamation device 2, described gasification body of heater 1 is positioned at heat reclamation device 2 tops, is comprised of the pressure housing 3 of vapourizing furnace, refractory liner (or water wall) 4, lower cinder notch 5 and the nozzle passage 6 of vapourizing furnace.Here take the entrained flow gasification body of heater of single nozzle refractory liner structure as example.
In fact, described vapourizing furnace is airflow bed gasification furnace, can be the single nozzle vapourizing furnace, can be also the nozzle vapourizing furnace, can be also coal slurry or powder coal gasification furnace, can be also the various forms of vapourizing furnaces such as water wall or refractory liner vapourizing furnace.
Described heat reclamation device 2 is the hybrid heat reclamation device of radiant boiler preboiler, comprises the pressure housing 14 of synthetic gas entrance 7, radiation heat transfer assembly 8, slag bath 9, convective heat exchange assembly 10, heat reclamation device.This heat reclamation device 2 is the revolution shape, and radiation heat transfer assembly 8 is on top, and convective heat exchange assembly 10 is in the bottom, and slag bath 9 is positioned at radiation heat transfer assembly 8 bottoms.
Described gasification body of heater 1 is connected with heat reclamation device by flange 11 connections, and between stream oriented device, by a long narrow channel connection, vias inner walls is refractory liner 12.
Described heat reclamation device 2 is the hybrid heat reclamation device of a kind of revolution shape, is provided with synthetic gas entrance 7 on the upper cover of the pressure housing 14 of heat reclamation device.
Described radiation heat transfer assembly 8 comprises radiation water wall 8-1 and radiation screen 8-2, and radiation water wall 8-1 surrounds columniform cavity by a plurality of standpipes that be arranged in parallel and forms, between two adjacent adapters by being welded to connect.Radiation screen 8-2 is positioned at the cavity that radiation heat transfer assembly 8 surrounds.
Described slag bath 9 is in the bottom of radiation heat transfer assembly 8, and slag bath 9 outer ends are connected and fix by web plate 9-1 with the pressure housing 14 of heat reclamation device, and slag bath 9 lower ends are connected with scum pipe 9-2 and extend to outside the pressure housing 14 of heat reclamation device.
Described convective heat exchange assembly 10 is positioned at slag bath 9 bottoms, comprises that vaporizer 10-1, superheater 10-2 and economizer 10-3 form.
Described vaporizer 10-1, superheater 10-2 and economizer 10-3 are comprised of three groups of spiral pipes.Every group of spiral pipe by four layers closely around the spiral endless tube form, group with organize between be staggered in arrangement.Vaporizer 10-1, superheater 10-2 and economizer 10-3 are arranged in the pressure housing 14 of heat reclamation device of radiation heat transfer assembly 8 bottoms successively.
Have synthetic gas venting port 13 on the lower cover of pressure housing 14 bottoms of described heat reclamation device.
Working process of the present utility model is:
Gasified raw material (coal water slurry or dry pulverized coal) and oxygenant are mixed in the gasification body of heater, generating gasification reaction rapidly, the crude synthesis gas (temperature is about 1400 ℃) of generation High Temperature High Pressure; After this high-temperature synthesis gas stream entered heat reclamation device from the synthetic gas entrance, by the radiation heat transfer chamber, melting slag entered slag bath and solidifies downwards, and air-flow continues to enter the convective heat exchange assembly downwards by the slag bath peripheral channel, further cooling down.This heat reclamation device is combined as a whole radiation heat transfer and convective heat exchange, and recovery sensible heat that high-temperature synthesis gas is with as much as possible.
The synthetic gas entrance of heat reclamation device is a long narrow passage, and inwall is refractory liner.After high-temperature synthesis gas and melting slag (approximately 1400 ℃ of temperature) go out vapourizing furnace, by long narrow passage, enter the radiation heat transfer assembly with higher gas velocity.
The radiation heat transfer assembly is comprised of the screen of the radiation heat transfer in radiation heat transfer chamber and chamber.High-temperature synthesis gas and melting slag enter in the water wall chamber, heat are passed to the radiation water wall of surrounding in the mode of radiative transfer.Because circulation area enlarges, to the surrounding splash, to the process that arrives the radiation water wall, sufficiently cooled from leaving channel, curing loses agglutinating value(of coal) to melting slag, falls under gravity in the slag bath of radiation heat transfer assembly bottom under airflow function.The radiation heat transfer screen is in the middle and lower part in radiation heat transfer chamber, and its existence has increased the radiation heat transfer face, has reduced the volume of radiation heat transfer assembly, makes heat transfer effect better.
Slag bath is in the bottom of radiation heat transfer assembly.After lime-ash after curing passes the radiation heat transfer chamber, fall into the slag bath of bottom, mix sharply coolingly in slag bath with water, form the solid-state lime-ash of high rigidity.Lime-ash enters in the lock slag ladle with water.Blow device is set near slag bath, carries out the disturbance of Anti-slagging precipitation, guarantee the reliable and stable operation of dreg removing system.
Air-flow by the passage between slag bath and water wall, enters the convective heat exchange assembly through the reflexed of the slag bath water surface.The convective heat exchange assembly is comprised of some groups of spiral pipes, and spiral pipe is outer is the radiation water wall.Every group of spiral pipe by four layers closely around the spiral endless tube form, every group of spiral pipe is staggered in arrangement.Flow through successively vaporizer, superheater, economizer and carry out heat exchange cooling through the synthetic gas of draining cooling, discharged by the outlet of heat reclamation device bottom.
Claims (9)
1. the hybrid energy utilization device of integrated revolution shape radiant boiler preboiler is characterized in that: comprise gasification body of heater and heat reclamation device, the gasification body of heater is arranged at the heat reclamation device top; Described gasification body of heater comprises pressure housing, refractory liner or water wall, be positioned at the nozzle passage at top and be positioned at the lower cinder notch of bottom; Described heat reclamation device comprises synthetic gas entrance, radiation heat transfer assembly, slag bath, convective heat exchange assembly, pressure housing, the synthetic gas entrance is positioned on the end socket of pressure housing top, the radiation heat transfer assembly is positioned at the top of slag bath, slag bath is positioned at the top of convective heat exchange assembly, and radiation heat transfer assembly, slag bath, convective heat exchange assembly are positioned at pressure housing and form one; The lower cinder notch of described gasification body of heater is connected by flange with the heat reclamation device top, and lower cinder notch is communicated with the synthetic gas entrance.
2. the hybrid energy utilization device of integrated revolution shape radiant boiler preboiler according to claim 1, it is characterized in that: described synthetic gas entrance is a long narrow passage, and the inwall of this synthetic gas entrance is refractory liner.
3. the hybrid energy utilization device of integrated revolution shape radiant boiler preboiler according to claim 1, it is characterized in that: described radiation heat transfer assembly vertically is located in pressure housing, the radiation heat transfer assembly comprises radiation water wall and radiation screen, and the radiation water wall is the cylindrical wall that the standpipe by several parallel longitudinal settings surrounds, and two adjacent standpipes are by being welded to connect, and the centre of cylindrical wall is the radiation heat transfer chamber, the radiation heat transfer assembly also comprises radiation water wall upper collecting chamber, radiation water wall lower header, radiation water wall water inlet pipe, radiation water wall fairlead and radiation water wall surface, radiation water wall upper collecting chamber is communicated with the upper end of each standpipe, radiation water wall lower header is communicated with the lower end of each standpipe, one end of radiation water wall water inlet pipe and pressure housing are affixed and be located at the outside of pressure housing, the other end of radiation water wall water inlet pipe is communicated with radiation water wall upper collecting chamber, one end of radiation water wall fairlead and the upper cover of pressure housing are affixed, the other end is communicated with radiation water wall upper collecting chamber.
4. the hybrid energy utilization device of integrated revolution shape radiant boiler preboiler according to claim 3, it is characterized in that: described radiation screen is formed by several standpipes row, standpipe row outwards disperses with the center of heat reclamation device and is distributed in the radiation heat transfer chamber, each standpipe row is formed by some standpipes, and adjacent two standpipes of standpipe row are close to setting; The radiation heat transfer assembly also comprises radiation screen upper collecting chamber, radiation screen lower header, radiation screen water inlet pipe, radiation screen fairlead, the lower end of radiation screen heating surface is communicated with the radiation screen lower header, the upper end of radiation screen heating surface is communicated with the radiation screen upper collecting chamber, radiation screen water inlet pipe and radiation screen fairlead are communicated with radiation screen lower header and radiation screen upper collecting chamber respectively, and are drawn out to outside pressure housing.
5. the hybrid energy utilization device of integrated revolution shape radiant boiler preboiler according to claim 1, it is characterized in that: described slag bath is in the bottom of radiation heat transfer assembly, the slag bath outer end is connected by web plate and fixes with pressure housing, the lower end of slag bath connects scum pipe, and scum pipe extends to outside pressure housing.
6. according to claim 1 or 4 or 5 hybrid energy utilization device of described integrated revolution shape radiant boiler preboiler, it is characterized in that: described convective heat exchange assembly comprises vaporizer, superheater and economizer, and vaporizer, superheater and economizer are arranged in the space of pressure housing from top to bottom successively.
7. the hybrid energy utilization device of integrated revolution shape radiant boiler preboiler according to claim 6, it is characterized in that: described vaporizer, superheater and economizer are formed by one group of spiral pipe respectively, every group of spiral pipe comprises respectively four helical layer endless tubes, between every two-layer spiral endless tube, certain distance is arranged, every helical layer endless tube by pipe closely around forming.
8. the hybrid energy utilization device of integrated revolution shape radiant boiler preboiler according to claim 7, it is characterized in that: described vaporizer also comprises vaporizer upper collecting chamber, vaporizer lower header, vaporizer water inlet pipe, vaporizer fairlead, the upper end that forms the spiral pipe of vaporizer is communicated with the vaporizer upper collecting chamber, the lower end that forms the spiral pipe of vaporizer is communicated with the vaporizer lower header, the vaporizer water inlet pipe is communicated with the vaporizer lower header, and the vaporizer fairlead is communicated with the vaporizer upper collecting chamber; Described superheater also comprises superheater upper collecting chamber, superheater lower header, superheater water inlet pipe, superheater fairlead, the upper end that forms the spiral pipe of superheater is communicated with the superheater upper collecting chamber, the lower end that forms the spiral pipe of superheater is communicated with the superheater lower header, the superheater water inlet pipe is communicated with the superheater lower header, and the superheater fairlead is communicated with the superheater upper collecting chamber; Described economizer also comprises economizer upper collecting chamber, economizer lower header, economizer water inlet pipe, economizer fairlead, the upper end that forms the spiral pipe of superheater is communicated with the economizer upper collecting chamber, the lower end that forms the spiral pipe of economizer is communicated with the economizer lower header, the economizer water inlet pipe is communicated with the economizer lower header, and the economizer fairlead is communicated with the economizer upper collecting chamber; Vaporizer water inlet pipe, vaporizer fairlead, superheater water inlet pipe, superheater fairlead, economizer water inlet pipe, economizer fairlead all extend to outside pressure housing.
9. according to claim 1 or 8 hybrid energy utilization device of described integrated revolution shape radiant boiler preboiler, it is characterized in that: described vapourizing furnace is airflow bed gasification furnace, this airflow bed gasification furnace is the single nozzle vapourizing furnace, perhaps multi nozzle of gasification furnace, perhaps coal slurry vapourizing furnace, perhaps powder coal gasification furnace, perhaps water wall gasifier, perhaps refractory liner vapourizing furnace.
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| CN2012206789474U CN202989074U (en) | 2012-12-11 | 2012-12-11 | Integrated rotary radiation boiler and pre-boiler mixed energy utilization device |
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| CN2012206789474U CN202989074U (en) | 2012-12-11 | 2012-12-11 | Integrated rotary radiation boiler and pre-boiler mixed energy utilization device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102977925A (en) * | 2012-12-11 | 2013-03-20 | 中国东方电气集团有限公司 | Mixed energy utilization device for integrated rotary radiant boiler preheating boiler |
| CN104087347A (en) * | 2014-07-11 | 2014-10-08 | 中国华能集团清洁能源技术研究院有限公司 | High-efficiency ash trapping device in entrained flow bed gasification furnace |
| CN109504446A (en) * | 2018-11-19 | 2019-03-22 | 清华大学山西清洁能源研究院 | Gasification furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102977925A (en) * | 2012-12-11 | 2013-03-20 | 中国东方电气集团有限公司 | Mixed energy utilization device for integrated rotary radiant boiler preheating boiler |
| CN102977925B (en) * | 2012-12-11 | 2014-08-27 | 中国东方电气集团有限公司 | Mixed energy utilization device for integrated rotary radiant boiler preheating boiler |
| CN104087347A (en) * | 2014-07-11 | 2014-10-08 | 中国华能集团清洁能源技术研究院有限公司 | High-efficiency ash trapping device in entrained flow bed gasification furnace |
| CN109504446A (en) * | 2018-11-19 | 2019-03-22 | 清华大学山西清洁能源研究院 | Gasification furnace |
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