CN202989083U - 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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- CN202989083U CN202989083U CN201220679072XU CN201220679072U CN202989083U CN 202989083 U CN202989083 U CN 202989083U CN 201220679072X U CN201220679072X U CN 201220679072XU CN 201220679072 U CN201220679072 U CN 201220679072U CN 202989083 U CN202989083 U CN 202989083U
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- 230000005855 radiation Effects 0.000 title claims abstract description 144
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 238000012546 transfer Methods 0.000 claims abstract description 51
- 239000002893 slag Substances 0.000 claims abstract description 50
- 239000006200 vaporizer Substances 0.000 claims description 52
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000013022 venting Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 17
- 238000003786 synthesis reaction Methods 0.000 abstract description 17
- 239000003245 coal Substances 0.000 abstract description 10
- 238000001816 cooling Methods 0.000 abstract description 9
- 238000002309 gasification Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000010248 power generation Methods 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 39
- 238000002844 melting Methods 0.000 description 10
- 230000008018 melting Effects 0.000 description 10
- 239000012528 membrane Substances 0.000 description 8
- 239000002918 waste heat Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 230000004523 agglutinating effect Effects 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
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000032258 transport Effects 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
- 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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- 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
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to a hot gasifier of a coal gasification technology, and especially discloses an integrated rotary radiation boiler and pre-boiler mixed energy utilization device. The energy utilization device comprises a synthesis gas inlet, a radiation heat transfer assembly, a slag basin, a convection heat transfer assembly, a pressure shell and a synthesis gas exhaust port, wherein the synthesis gas inlet is positioned in an end socket at 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 positioned in the pressure shell to be integrated; and the synthesis gas exhaust port is arranged in a lower end socket at the bottom of the pressure shell. The energy utilization device provided by the utility model can be used for an IGCC (integrated gasification combined cycle) power generation system and can absorb sensible heat of coarse synthesis gas to generate high-pressure steam or medium-pressure steam for generating power, so that the energy utilization device has the advantages that the whole energy utilization rate is greatly improved, and the energy recovery ratio is high; and the energy utilization device adopts a double-layer water cooling wall structural design and is provided with a radiation heat transfer screen and a heat convection heat transfer surface, so that the whole size of an exhaust boiler is effectively reduced, and the manufacture, transportation and installation of the device are convenient.
Description
Technical field
The utility model relates to the hot vapourizing furnace of Coal Gasification Technology, particularly the hybrid heat reclamation device of a kind of integrated revolution shape radiant boiler preboiler.
Background technology
Integrated gasification combined cycle for power generation system (IGCC) can realize that coal-firing efficient, cleaning and variation utilize, and is also future development coal-based power generation CO
2Zero release---i.e. one of the core technology of " green coal electricity " coal.In the IGCC power generation system, waste heat boiler is the substantial equipment in the key equipment of sensible heat recycling and the island of gasifying, waste heat boiler will make heating gas efficient reach 90～95% to the recycling of coal gas of high temperature, melting slag sensible heat, generating efficiency reaches 42～45%, and the running condition of waste heat boiler will directly affect available rate and the whole generating efficiency of IGCC power generation 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, cause facility investment large, take up room large, system's reliability of operation is also because the complexity of equipment is affected; Radiant boiler synthetic gas temperature shortage regulating measure causes the counter current boiler dust stratification to stop up simultaneously.
The utility model content
The utility model is defective and the deficiency that overcomes existing vapourizing furnace waste heat boiler, provide a kind of integrated revolution shape radiant boiler preboiler hybrid heat reclamation device, with radiant boiler and counter current boiler in conjunction with as a whole, 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 heat reclamation device of integrated revolution shape radiant boiler preboiler, it is characterized in that: comprise synthetic gas entrance, radiation heat transfer assembly, slag bath, convective heat exchange assembly, pressure housing, synthetic gas venting port, the synthetic gas entrance is positioned at end socket place, 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, radiation heat transfer assembly, slag bath, convective heat exchange assembly are positioned at pressure housing and form one, and the synthetic gas exhaust is arranged at the lower cover place of pressure housing bottom.This heat reclamation device has saved the connection portion between radiant boiler and preboiler, and recovery sensible heat that high-temperature synthesis gas is with as much as possible.
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.
Principle of work of the present utility model is as follows:
After the synthetic gas of high temperature and melting slag go out vapourizing furnace, enter the long narrow synthetic gas entrance at this device top, enter the radiation heat transfer assembly with higher gas velocity, in the radiation heat transfer chamber, high-temperature synthesis gas stream and melting slag are carried out the radiation water-cooled cooling;
Then, melting slag directly enters slag bath after the overshoot water-cooled, and in slag bath, melting slag mixes sharply cooling with water, forms the solid-state lime-ash of high rigidity, and solid-state 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, can guarantee the reliable and stable operation of dreg removing system;
Synthetic gas flows to lower reflexed through the slag bath water surface, continues to enter the convective heat exchange assembly downwards by the passage between slag bath and membrane wall, further cooling down;
At last, in the convective heat exchange assembly, flow through successively vaporizer, superheater, economizer and carry out heat exchange cooling through the synthetic air-flow of draining cooling, discharged by the synthetic gas venting port of heat reclamation device bottom.
The beneficial effects of the utility model are as follows:
(1) the utility model can be used for the IGCC power generation system, and the sensible heat generation high pressure steam or the middle pressure steam that absorb crude synthesis gas are used for generating, and whole energy utilization rate improves greatly, has advantages of that the energy recovery utilization ratio is high.
(2) the utility model adopts the Double water-cooled wall construction to design and arrange radiation heat transfer screen and convective heat exchange face, has effectively reduced the waste heat boiler overall dimensions, makes, transports 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 synthetic gas entrance, the 1-1 refractory liner, 2 radiation heat transfer assemblies, 3 slag baths, the 3-1 web plate, the 3-2 scum pipe, 4 convective heat exchange assemblies, 5 pressure housings, 6 radiation water wall, 6-1 radiation water wall upper collecting chamber, 6-2 radiation water wall lower header, 6-3 radiation water wall fairlead, 6-4 radiation water wall water inlet pipe, 6-5 radiation water wall surface, the 6-6 standpipe, 7 radiation screens, 7-1 radiation screen upper collecting chamber, 7-2 radiation screen lower header, 7-3 radiation screen water inlet pipe, 7-4 radiation screen fairlead, 8 vaporizers, 8-1 vaporizer upper collecting chamber, 8-2 vaporizer lower header, 8-3 vaporizer water inlet pipe, 8-4 vaporizer fairlead, 8-5 vaporizer spiral pipe, 9 superheaters, 9-1 superheater upper collecting chamber, 9-2 superheater lower header, 9-3 superheater water inlet pipe, 9-4 superheater fairlead, 10 economizers, 10-1 economizer upper collecting chamber, 10-2 economizer lower header, 10-3 economizer water inlet pipe, 10-4 economizer fairlead, 11 spiral pipes, 12 spiral endless tubes, the 12-6 standpipe, 13 syngas outlet, 11 spiral pipes, 15 spiral endless tubes.
Embodiment
As shown in Fig. 1-4, the hybrid heat reclamation device of integrated revolution shape radiant boiler preboiler described in the utility model comprises synthetic gas entrance 1, radiation heat transfer assembly 2, slag bath 3, convective heat exchange assembly 4, pressure housing 5.This heat reclamation device is the revolution shape, and radiation heat transfer part 2 is on top, and convective heat exchange part 4 is in the bottom, and slag bath 3 is positioned at radiation heat transfer part 2 bottoms.The synthetic gas entrance 1 of described heat reclamation device is long narrow throat's passage, and inwall is refractory liner 1-1.
Described radiation heat transfer assembly comprises radiation water wall 6 and radiation screen 7, and radiation water wall 6 is comprised of radiation water wall upper collecting chamber 6-1, radiation water wall lower header 6-2, radiation water wall water inlet pipe 6-3, radiation water wall fairlead 6-4 and radiation water wall surface 6-5.A plurality of standpipe 6-6 be arranged in parallel, surround columniform cavity, form membrane type radiation water wall 6, between two adjacent standpipe 6-6 by being welded to connect.The upper end of each standpipe 6-6 is communicated with radiation water wall upper collecting chamber 6-1, and the lower end of each standpipe 6-6 is communicated with radiation water wall lower header 6-2.The end of radiation water wall water inlet pipe 6-4 and outside, the other end that be located at pressure housing 5 affixed with pressure housing 5 are communicated with radiation water wall upper collecting chamber 6-1, and the end of radiation water wall fairlead 6-3 is affixed with the upper cover of pressure housing 5, the other end is communicated with radiation water wall upper collecting chamber 6-1.
Described radiation screen 7 is comprised of radiation screen upper collecting chamber 7-1, radiation screen lower header 7-2, radiation screen water inlet pipe 7-3, radiation screen fairlead 7-4 and radiation screen heating surface.The lower end of radiation screen heating surface is communicated with radiation screen lower header 7-2, and the upper end of radiation screen heating surface is communicated with radiation screen upper collecting chamber 7-1.Radiation screen water inlet pipe 7-3 and radiation screen fairlead 7-4 are communicated with radiation screen lower header 7-2 and radiation screen upper collecting chamber 7-1 respectively, and are drawn out to outside pressure housing 5.
Described slag bath 3 is in the bottom of radiation heat transfer assembly 3, and slag bath 3 outer ends are connected and fix by web plate 3-1 with pressure housing 5, and slag bath 3 lower ends are connected with scum pipe 3-2 and extend to outside pressure housing 5.
Described convective heat exchange assembly 4 comprises that vaporizer 8, superheater 8 and economizer 10 form.Vaporizer 8, superheater 8 and economizer 10 are arranged in the pressure housing 5 of radiation heat transfer assembly 2 bottoms successively.Described vaporizer 8, superheater 9 and economizer 10 are comprised of three groups of spiral pipes 11, every group of spiral pipe 11 by four layers closely around spiral endless tube 12 form, every group of spiral pipe 11 is staggered in arrangement.
Described vaporizer spiral pipe 8-5 upper end, lower end are communicated with vaporizer upper collecting chamber 8-1, lower header 8-2 respectively, and vaporizer water inlet pipe 8-3 is communicated with vaporizer lower header 8-2, and vaporizer fairlead 8-4 is communicated with vaporizer upper collecting chamber 8-1; Described superheater spiral pipe 9-5 upper end, lower end are communicated with superheater upper collecting chamber 9-1, lower header 9-2 respectively, and superheater water inlet pipe 9-3 is communicated with superheater lower header 9-2, and superheater fairlead 9-4 is communicated with superheater upper collecting chamber 9-1; Described economizer spiral pipe 10-5 upper end, lower end are communicated with economizer upper collecting chamber 10-1, lower header 10-2 respectively, and economizer water inlet pipe 10-3 is communicated with economizer lower header 10-2, and economizer fairlead 10-4 is communicated with economizer upper collecting chamber 10-1.
Have synthetic gas venting port 12 on the lower cover of described pressure housing 5 bottoms.
The working process of the hybrid heat reclamation device of the integrated revolution shape of the utility model radiant boiler preboiler is:
Described heat reclamation device is the hybrid heat reclamation device of a kind of revolution shape, the radiation heat transfer assembly is on top, the convective heat exchange assembly is in the bottom, after high-temperature synthesis gas stream enters heat reclamation device from the synthetic gas entrance, downwards by the radiation heat transfer chamber, melting slag enters slag bath and solidifies, and air-flow continues to enter the convective heat exchange part downwards by the slag bath peripheral channel, further cooling down.This heat reclamation device has saved the connection portion between radiant boiler and preboiler, and recovery sensible heat that high-temperature synthesis gas is with as much as possible.
The synthetic gas entrance of heat reclamation device is long narrow throat's passage, and inwall is refractory liner.After high-temperature synthesis gas and melting slag (approximately 1400 ℃ of temperature) went out vapourizing furnace, the throat's passage by long narrow entered the radiation heat transfer part with higher gas velocity.
The radiation heat transfer part is comprised of the screen of the radiation heat transfer in membrane wall chamber and chamber.High-temperature synthesis gas and melting slag enter in the water wall chamber, heat are passed to the membrane wall of surrounding in the mode of radiative transfer.Because circulation area enlarges, to the surrounding splash, sufficiently cooled from leaving throat's passage to the process that arrives membrane wall, curing loses agglutinating value(of coal) to melting slag under airflow function, falls under gravity in the slag bath of radiation heat transfer part bottom.The radiation heat transfer screen is in the middle and lower part in membrane wall chamber, and its existence has increased the radiation heat transfer face, has reduced the volume of radiation heat transfer part, makes heat transfer effect better.
Slag bath is in the bottom of radiation heat transfer part.After lime-ash after curing passes the membrane wall 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 part through the reflexed of the slag bath water surface.The convective heat exchange part is comprised of some groups of spiral pipes, and the spiral pipe skin is membrane 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 (10)
1. the hybrid heat reclamation device of integrated revolution shape radiant boiler preboiler, it is characterized in that: comprise synthetic gas entrance, radiation heat transfer assembly, slag bath, convective heat exchange assembly, pressure housing, synthetic gas venting port, the synthetic gas entrance is positioned at end socket place, 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, radiation heat transfer assembly, slag bath, convective heat exchange assembly are positioned at pressure housing and form one, and the synthetic gas exhaust is arranged at the lower cover place of pressure housing bottom.
2. the hybrid heat reclamation 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 heat reclamation 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 heat reclamation 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 heat reclamation 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 heat reclamation devices 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 heat reclamation 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 heat reclamation 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; Vaporizer water inlet pipe, vaporizer fairlead all extend to outside pressure housing.
9. the hybrid heat reclamation device of integrated revolution shape radiant boiler preboiler according to claim 7, it is characterized in that: 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; Superheater water inlet pipe, superheater fairlead all extend to outside pressure housing.
10. the hybrid heat reclamation device of integrated revolution shape radiant boiler preboiler according to claim 7, it is characterized in that: 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; Economizer water inlet pipe, economizer fairlead all extend to outside pressure housing.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220679072XU CN202989083U (en) | 2012-12-11 | 2012-12-11 | Integrated rotary radiation boiler and pre-boiler mixed energy utilization device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220679072XU CN202989083U (en) | 2012-12-11 | 2012-12-11 | Integrated rotary radiation boiler and pre-boiler mixed energy utilization device |
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| CN202989083U true CN202989083U (en) | 2013-06-12 |
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| CN201220679072XU Expired - Fee Related CN202989083U (en) | 2012-12-11 | 2012-12-11 | Integrated rotary radiation boiler and pre-boiler mixed energy utilization device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103013581A (en) * | 2012-12-11 | 2013-04-03 | 中国东方电气集团有限公司 | Integrated rotation type radiant boiler and preheating boiler mixed heat recovery unit |
| CN104359101A (en) * | 2014-11-25 | 2015-02-18 | 中国东方电气集团有限公司 | Rotary hybrid radiation boiler |
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2012
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103013581A (en) * | 2012-12-11 | 2013-04-03 | 中国东方电气集团有限公司 | Integrated rotation type radiant boiler and preheating boiler mixed heat recovery unit |
| CN103013581B (en) * | 2012-12-11 | 2014-08-27 | 中国东方电气集团有限公司 | Integrated rotation type radiant boiler and preheating boiler mixed heat recovery unit |
| CN104359101A (en) * | 2014-11-25 | 2015-02-18 | 中国东方电气集团有限公司 | Rotary hybrid radiation boiler |
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