CN208200858U - For recycling the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace - Google Patents
For recycling the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace Download PDFInfo
- Publication number
- CN208200858U CN208200858U CN201820520870.5U CN201820520870U CN208200858U CN 208200858 U CN208200858 U CN 208200858U CN 201820520870 U CN201820520870 U CN 201820520870U CN 208200858 U CN208200858 U CN 208200858U
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- waste
- membrane wall
- main body
- radiation shield
- recovery device
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- 239000002918 waste heat Substances 0.000 title claims abstract description 66
- 238000011084 recovery Methods 0.000 title claims abstract description 54
- 239000007789 gas Substances 0.000 title claims abstract description 52
- 238000002309 gasification Methods 0.000 title claims abstract description 52
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 47
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 47
- 238000004064 recycling Methods 0.000 title claims abstract description 41
- 239000003818 cinder Substances 0.000 title claims abstract description 38
- 239000012528 membrane Substances 0.000 claims abstract description 83
- 230000005855 radiation Effects 0.000 claims abstract description 74
- 239000002893 slag Substances 0.000 claims abstract description 35
- 239000000725 suspension Substances 0.000 claims abstract description 8
- 230000008676 import Effects 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 10
- 238000010791 quenching Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000011819 refractory material Substances 0.000 claims description 8
- 239000006200 vaporizer Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 210000004262 dental pulp cavity Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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 discloses a kind of for recycling the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace, the main body membrane wall and intermediate radiation shield including shell and setting in the housing；Main body membrane wall surrounds the burner hearth of waste-heat recovery device and including upper cone section, lower cone section and intermediate direct tube section, and annular space space is formed between main body membrane wall and shell；Intermediate radiation shield is along the centripetal setting of main body membrane wall and suspension arrangement forms circulation passage on the inside of the inside of burner hearth, intermediate radiation shield in array.Thus the intermediate radiation shield of the utility model can realize free wxpansion using suspention tube panel, top suspension support and lower part pendency, and then can effectively solve the problem that radiation shield and membrane wall cylinder expand inconsistent problem；Meanwhile intermediate radiation shield is arranged in burner hearth along the axis uniform array of burner hearth, pitch is larger between screen and middle part reserves larger passage for high-temperature synthesis gas and slag downlink, efficiently solves the easy slagging of radiation shield heating surface, blocks up the problems such as slag.
Description
Technical field
The utility model relates to the technical fields of high-temperature residual heat recycling, more particularly, are related to a kind of for recycling gasification
The waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in furnace.
Background technique
For the operating pressure of gasification furnace generally in 4MPa or more and operation temperature is at 1350 DEG C or more, gasification product is that high temperature closes
At gas and molten state lime-ash.Synthesis gas and the slag temperature with higher of gasification chamber outlet and to contain a large amount of high temperature aobvious
Heat need to usually recycle this partial heat to improve the overall utilization rate of energy, for producing saturated vapor or superheated steam, both
It can be used for other processes in chemical plant, it can also be used to which IGCC power generation system improves generating efficiency.
At this stage, there is much half radiation for recycling high-temperature synthesis gas heat and total radiation waste heat boiler (waste heat
Boiler) design school, but the problem of the easy slagging of generally existing heating surface, stifled slag.Its heat transfer can be seriously affected after Boiler Heating Surfaces,
It is light then influence steam production, it will cause heat pipe booster when serious, synthesis gas blocking causes gasification furnace the safety in production thing such as to stop production
Therefore.In addition, the radiation shield and burner hearth membrane wall inside burner hearth are because of uneven heating or material choosing from the point of view of according to the structure of waste heat boiler
Select it is different can generate biggish differential expansion so that structure is complicated, fluctuation of service for radiation shield, there are larger security risks.
Summary of the invention
In order to solve the problems in the existing technology, the purpose of the utility model is to provide a kind of improved waste heats to recycle
Device can effectively solve the problems, such as the easy slagging of heating surface, stifled slag, and it is inconsistent with membrane wall expansion of metal effectively to solve radiation shield
Problem.
The utility model provides a kind of for recycling the waste heat of synthesis gas and cinder high-temperature sensible heat recycling dress in gasification furnace
It sets, the waste-heat recovery device includes the main body membrane wall and intermediate radiation shield of shell and setting in the housing；Main body membrane wall
The burner hearth of waste-heat recovery device is surrounded and including upper cone section, lower cone section and intermediate direct tube section, between main body membrane wall and shell
Form annular space space；Intermediate radiation shield along the centripetal setting of main body membrane wall and in array suspension arrangement in the inside of burner hearth,
Circulation passage is formed on the inside of intermediate radiation shield.
According to the utility model for recycling one of the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace
A embodiment, the slag of waste-heat recovery device vertical vaporizer in the lower part of gasification furnace and top and gasification furnace
Mouth connection.
According to the utility model for recycling one of the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace
A embodiment, the waste-heat recovery device further include the contact aditus laryngis that top is arranged in, and the contact aditus laryngis is spiral coil knot
Structure and side towards the fire is laid with refractory material.
According to the utility model for recycling one of the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace
A embodiment, the waste-heat recovery device further include slag bucket arranged at the bottom and spare Quench nozzle, and the slag bucket is spiral
Coil arrangement and side towards the fire is laid with refractory material.
According to the utility model for recycling one of the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace
A embodiment, the intermediate direct tube section of the main body membrane wall are successively to organize the membrane wall that weldering is formed, the master by light pipe and band steel
Fork-shaped tube transitions are used between the intermediate direct tube section and upper cone section and lower cone section of body membrane wall.
According to the utility model for recycling one of the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace
The lower cone section of a embodiment, the main body membrane wall be connected with import annular header and be provided on import annular header first into
Mouth connecting tube；The upper cone section of the main body membrane wall is connected with outlet annular header, is provided with first on outlet annular header and goes out
Mouth connecting tube and drain pipe；Several supports, the main body membrane wall are provided on the intermediate direct tube section of the main body membrane wall
It is mounted on shell by support.
According to the utility model for recycling one of the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace
A embodiment, the intermediate radiation shield are made of several U-shaped heat pipes, and the top of intermediate radiation shield passes through tube panel fixed cell
Branch is hung in the lower part pendency of the top of main body membrane wall and intermediate radiation shield, and the tube panel fixed cell is interior with main body membrane wall
Side is fixedly connected.
According to the utility model for recycling one of the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace
A embodiment, the top of the intermediate radiation shield are connected to allocation set after drawing main body membrane wall in the form of dispersion pipe
On case and header, it is provided with the second inlet connecting branch in the distribution header, second is provided on the header and is gone out
Mouth connecting tube, the distribution header and header are arranged in annular space space and are vertically arranged.
According to the utility model for recycling one of the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace
A embodiment, the lower part of the intermediate radiation shield are provided at least two tube panel pilot units, between each pipe of intermediate radiation shield
Mutually does not weld and be fixed to each other by several tube panel sliding units.
According to the utility model for recycling one of the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace
A embodiment, the main body membrane wall, intermediate radiation shield and contact aditus laryngis or slag bucket using water route in parallel and take pressure
Endless form.
Compared with prior art, the utility model is returned for recycling the waste heat of synthesis gas and cinder high-temperature sensible heat in gasification furnace
Thus the intermediate radiation shield of receiving apparatus can realize free wxpansion, in turn using suspention tube panel, top suspension support and lower part pendency
It can effectively solve the problem that radiation shield and membrane wall cylinder expand inconsistent problem；Meanwhile intermediate radiation shield is along the axis of burner hearth
Uniform array is arranged in burner hearth, and pitch is larger between screen and middle part reserves larger passage for high-temperature synthesis gas and slag downlink, is had
Effect solves the problems such as easy slagging of radiation shield heating surface, stifled slag.
Detailed description of the invention
Fig. 1 is shown according to the utility model exemplary embodiment for recycling synthesis gas and cinder high-temperature in gasification furnace
The general arrangement schematic view of the front view of the waste-heat recovery device of sensible heat.
Fig. 2 shows the A-A direction views in Fig. 1.
Fig. 3 is shown according to the utility model exemplary embodiment for recycling synthesis gas and cinder high-temperature in gasification furnace
The structural schematic diagram of main body membrane wall in the waste-heat recovery device of sensible heat.
Fig. 4 is shown according to the utility model exemplary embodiment for recycling synthesis gas and cinder high-temperature in gasification furnace
The structural schematic diagram of intermediate radiation shield in the waste-heat recovery device of sensible heat.
Fig. 5 A is shown according to the high for recycling synthesis gas and slag in gasification furnace of the utility model exemplary embodiment
The schematic view of the front view of tube panel fixed cell in the waste-heat recovery device of warm sensible heat, Fig. 5 B is shown to be shown according to the utility model
Example property embodiment is used to recycle in gasification furnace tube panel fixed cell in the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat
Overlooking structure diagram.
Description of symbols:
1- gasification furnace shell, 2- shell, 3- chill zone shell, 4- main body membrane wall, the centre 5- radiation shield, 6- slag bucket, 7-
Get in touch with aditus laryngis, 8- vaporizer, the spare Quench nozzle of 9-, 10- annular space space, 11- circulation passage, 12- manhole, 13- support；
Direct tube section, 402- upper cone section, 403- lower cone section, 404- import annular header, the first import of 405- connect among 401-
Adapter tube, 406- export annular header, 407- first outlet connecting tube, 408- drain pipe；
501-U shape heat pipe, the second inlet connecting branch of 502-, 503- distribute header, 504- second outlet connecting tube, 505-
Header, 506- tube panel fixed cell, 507- tube panel pilot unit, 508- tube panel sliding unit, 509- cooling hole.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other
Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
?.
Waste-heat recovery device provided by the utility model actually mainly include cylinder heating surface and curtain wall,
In, the burner hearth of cylinder heating surface constituent apparatus, curtain wall is then arranged in the inside of burner hearth.This waste-heat recovery device is using vertical
Formula is arranged in gasification furnace lower part, and top is connected with the lower cinder notch of vaporizer in gasification furnace, high-temperature synthesis gas and slag self-chambering
The top set enters burner hearth and flows downward along curtain wall, wherein slag is mainly flowed by circulation passage, high―temperature nuclei
Gas flows within the scope of entire burner hearth, then leaves from the bottom of device, and then cooled down.Solidify in waste-heat recovery device
Block slag fall directly into slag bath, synthesis gas (about 750~800 DEG C of temperature) after cooling enters back into follow-up process.
The utility model is returned for recycling the waste heat of synthesis gas and cinder high-temperature sensible heat in gasification furnace with reference to the accompanying drawing
The structure and principle of receiving apparatus are described in detail.
Fig. 1 is shown according to the utility model exemplary embodiment for recycling synthesis gas and cinder high-temperature in gasification furnace
The general arrangement schematic view of the front view of the waste-heat recovery device of sensible heat, Fig. 2 shows the A-A direction views in Fig. 1.
As depicted in figs. 1 and 2, exemplary embodiment according to the present utility model, it is described to be synthesized for recycling in gasification furnace
The waste-heat recovery device of gas and cinder high-temperature sensible heat includes shell 2 and the main body membrane wall 4 being arranged in shell 2 and intermediate radiation
Screen 5.Shell 2 is used as main compression-member, for installing and stationary body membrane wall 4 and intermediate radiation shield 5 so that device by
Hot face not pressure-bearing；Main body membrane wall 4 and intermediate radiation shield 5 are then used as radiation heating-surface, realize effective heat recovery.
Specifically, main body membrane wall 4 surrounds the burner hearth of waste-heat recovery device and including upper cone section 402,403 and of lower cone section
Intermediate direct tube section 401 forms annular space space 10, wherein annular space space 10 can be used for reality between main body membrane wall 4 and shell 2
The maintenance of existing device and the installation of members, such as the manhole 12 for being able to enter annular space space 10 is installed on shell 2.
Intermediate radiation shield 5 along main body membrane wall 4 it is centripetal setting and in array suspension arrangement in the inside of burner hearth, main body
Membrane wall 4 can have round, square, polygon prismatic shapes, when its cross sectional shape is round, intermediate radiation shield 5
It is arranged along main body membrane wall 4 towards the center of circle, that is, main body membrane wall is set in the radial direction；When its cross sectional shape is pros
When the symmetric figures such as shape, intermediate radiation shield 5 is arranged along main body membrane wall 4 towards symmetrical centre.
Circulation passage 11 is formed on the inside of intermediate radiation shield 5, slag mainly passes through the circulation passage 11 and flows downward, and high temperature closes
It flows downward at gas except through the circulation passage 11, while also being flowed between intermediate radiation shield 5.Wherein, intermediate radiation shield 5
It is arranged using suspension method, i.e. top suspention support and lower part is dangled, thus free wxpansion and intermediate radiation shield and master can be solved
Inconsistent problem is expanded between body membrane wall cylinder.Preferably, equably array is arranged in burner hearth intermediate radiation shield 5, screen
Between pitch is larger and intermediate radiation shield 5 on the inside of reserve larger circulation passage 11 for high-temperature synthesis gas and slag downlink, effectively solve
The problems such as radiation shield heating surface easy slagging, stifled slag.
As shown in Figure 1, lower part and top and gas of the waste-heat recovery device vertical of the utility model in gasification furnace
Change the lower cinder notch connection of vaporizer 1 in furnace, wherein shell 2 can be directly connected to gasification furnace shell 1.In order to make gasification furnace with
The waste-heat recovery device of the utility model preferably connects, and the waste-heat recovery device of the utility model further includes that top is arranged in
Aditus laryngis 7 is got in touch with, contact aditus laryngis 7 is spiral coil structure and side towards the fire is laid with refractory material, heated coil face is consequently formed,
Waste heat recycling is carried out together with main body membrane wall 4 and intermediate radiation shield 5, wherein coil pipe upper cone, which expands angle, to cooperate gasification furnace to set
Meter.
Also, the waste-heat recovery device of the utility model further includes slag bucket 6 arranged at the bottom and spare Quench nozzle 9,
Slag bucket 6 is also spiral coil structure and side towards the fire is laid with refractory material, lower wall heating surface of tubes is consequently formed, with main body membrane wall
4 carry out waste heat recycling with intermediate radiation shield 5 together, wherein coil pipe upper cone, which expands angle, need to cooperate main body membrane wall design.It is spare to swash
The setting area of cold nozzle 9 is chill zone, and the setting of the spare Quench nozzle 9 and chill zone is to synthesize in the outlet of device
Temperature degree can meet an urgent need to supplement when not up to standard and use, and by spraying water, Quench makes the temperature of exiting syngas up to standard, and shell 2 also can
It is enough to be directly connected to chill zone shell 3.
Preferably, main body membrane wall 4, intermediate radiation shield 5 and contact aditus laryngis 7 or slag bucket 6 using water route in parallel and are adopted
Take forced circulation mode.
Fig. 3 is shown according to the utility model exemplary embodiment for recycling synthesis gas and cinder high-temperature in gasification furnace
The structural schematic diagram of main body membrane wall in the waste-heat recovery device of sensible heat.
As shown in figure 3, exemplary embodiment according to the present utility model, the intermediate direct tube section 401 of the main body membrane wall 4
Successively to organize the membrane wall that weldering is formed by light pipe and band steel, the intermediate direct tube section 401 of main body membrane wall 4 and upper cone section 402 and under
It bores and uses fork-shaped tube transitions between section 403.Preferably, the pipe radical of intermediate direct tube section 401 takes the whole of intermediate radiation shield quantity
Several times.
The lower cone section 403 of main body membrane wall 4 is connected with import annular header 404 and is provided on import annular header 404
First inlet connecting branch 405；The upper cone section 402 of main body membrane wall 4 is connected with outlet annular header 406, exports annular header 406
On be provided with first outlet connecting tube 407 and drain pipe 408.Wherein, drain pipe 408 can will export annular header in blowing out
406 and its first outlet connecting tube 407 in medium empty.
Preferably, several supports 13 are provided on the intermediate direct tube section 401 of main body membrane wall 4, main body membrane wall 4 passes through
Support 13 is mounted on shell 2.For example, in the middle part of intermediate direct tube section 401 setting four only along circumferentially uniformly distributed support 13, it should
Support can will be in main body membrane wall all load transmissions to shell 2.
Fig. 4 is shown according to the utility model exemplary embodiment for recycling synthesis gas and cinder high-temperature in gasification furnace
The structural schematic diagram of intermediate radiation shield in the waste-heat recovery device of sensible heat.
As shown in figure 4, exemplary embodiment according to the present utility model, intermediate radiation shield 5 is by several U-shaped heat pipes
501 compositions, the top and centre that the top of intermediate radiation shield 5 is hung in main body membrane wall 4 by tube panel fixed cell 506 radiate
The lower part pendency of screen 5, tube panel fixed cell 506 is fixedly connected with the inside of main body membrane wall 4, with proof strength and rigidity.
Fig. 5 A is shown according to the high for recycling synthesis gas and slag in gasification furnace of the utility model exemplary embodiment
The schematic view of the front view of tube panel fixed cell in the waste-heat recovery device of warm sensible heat, Fig. 5 B is shown to be shown according to the utility model
Example property embodiment is used to recycle in gasification furnace tube panel fixed cell in the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat
Overlooking structure diagram.
As shown in Figure 5 A and 5B, tube panel fixed cell 506 can be designed to water cooling forging AND DEWATERING FOR ORIFICE STRUCTURE, generally one rigidity
Biggish forging steel plate is provided with multiple cooling holes 509 according to the number of tubes of intermediate radiation shield, and the pipe of intermediate radiation shield can
Cooling hole on tube panel fixed cell 506, thus pipe of the tube panel fixed cell 506 as inserting paragraph and intermediate radiation shield
It is welded and fixed and forms water stream channel.Also, one end of tube panel fixed cell 506 and the inside of main body membrane wall are welded, and are formed
It is whole fixed.
Also, the top of intermediate radiation shield 5 is connected to distribution after drawing main body membrane wall 4 in the form of dispersion pipe
In header 503 and header 505, distribution header 503 is for carrying out medium distribution and being provided with the second import connection
Pipe 502, header 505 collect and are provided with second outlet connecting tube 504 for carrying out medium, distribute header 503
It is arranged in annular space space 10 and is vertically arranged with header 505.
In addition, the lower part of intermediate radiation shield 4 is provided at least two tube panel pilot units 507, tube panel pilot unit 507
Effect is to prevent the intermediate tube panel lower deformation and shaking of pendency, and structure can be similar with tube panel fixed cell 506, but pipe
It can slide wherein.For example, its structure is specially grip block or comb plate, comb joint form, the inside welding of one end and main body membrane wall
It is fixed, to effectively limit tube panel overall deformation and shaking.
It is not welded mutually between each pipe of intermediate radiation shield and is separate tube structure, it is single by the sliding of several tube panels each other
Member 508 is fixed to each other, and allows axial expansion and confinement tube is fallen out.Wherein, tube panel sliding unit 508 can equally use and pipe
Shield the similar structure of fixed cell 506, but it can be slided along pipe, is achieved in permission axial expansion and confinement tube goes out
The effect of column.
The waste-heat recovery device of the utility model can be very good to solve intermediate radiation shield and main body membrane type in burner hearth as a result,
Wall cylinder expands inconsistent problem, and pitch and middle part flow channel dimension are between reasonable radiation shield screen for high-temperature synthesis gas
And the smooth downlink of slag, avoid radiation shield Boiler Heating Surfaces, stifled slag.Also, it, can since outlet is provided with spare Quench nozzle
Guarantee outlet syngas temperatures in scope of design.
The utility model is described in further detail combined with specific embodiments below.
Embodiment:
The waste-heat recovery device of the present embodiment includes main body membrane wall 4, intermediate radiation shield 5 and is made of contact aditus laryngis 7
Upper heated coil face and the lower wall heating surface of tubes that is made of slag bucket 6 form.Wherein, main body membrane wall, intermediate radiation shield and on
Lower wall heating surface of tubes is designed by forced circulation mode using water route in parallel.
The top of waste heat apparatus is connect with the lower cinder notch of vaporizer 8, in order to realize better linking, the top of waste heat apparatus
It is provided with pot contact aditus laryngis 7.Also, the bottom of waste heat apparatus is provided with slag bucket 6 and spare Quench nozzle 9.Wherein, body membrane
Annular space space 10 is formed between formula wall 4 and shell 2, the inside of intermediate radiation shield 5 forms the stream of high-temperature synthesis gas and slag
Circulation passage 11.
2 design size of shell is ID4400mm, and the design size of main body membrane wall 4 is 3450mm, the ruler in annular space space 10
Very little about 450mm, facilitates the progress of installation attachment and subsequent maintenance work.Main body membrane wall 4 includes upper cone section 402, lower cone
Section 403 and intermediate direct tube section 401, intermediate direct tube section 401 are membrane wall made of light pipe+band steel+light pipe group weldering, pipe radical
It is 180, tube outer diameter 48mm, tube coupling is away from for 60.2mm.The opening size of upper cone section 402 is φ 1100mm, lower cone section 403
Opening size be φ 2200mm.The lower cone section 403 of main body membrane wall 4 is connect with import annular header 404, upper cone section 402 with
It exports annular header 406 to connect, is respectively arranged with the first import on import annular header 404 and outlet annular header 406 and connects
Pipe 405 and second outlet connecting tube 407, respectively there is 4.Intermediate direct tube section to the upper cone section and lower cone section of main body membrane wall is all made of
Fork-shaped tube transitions, therefore boring section pipe to be connected to the pipe radical on annular header is 90.It is arranged at the middle part of direct tube section 401
There are 4 supports being evenly distributed 13, it will be in all load transmissions to shell 2 of main body membrane wall by support 13.Also,
Drain pipe 408 is provided on outlet annular header 406, and when blowing out can empty medium.
Inside the burner hearth that main body membrane wall 4 is formed, the present embodiment is arranged the uniform suspension arrangement of intermediate radiation shield 5 by 9 screens,
Every screen parallel connection water route number is 4, including 4 U-shaped heat pipes 501, and intermediate radiation shield 4 can integrally expand downwards and medium is
It is enterprising above to go out.Therefore, every screen tube bank has 8 root canals sub from structure.
The tube bank that U-shaped heat pipe 501 forms is hung in the top of main body membrane wall 4, tube panel using tube panel fixed cell 506
The inside of fixed cell 506 and main body membrane wall 4 is welded to connect with proof strength and rigidity.Also, tube panel lower part is arranged two
Simultaneously tube panel pilot unit 507 is arranged in guiding point.Pipe in tube panel does not weld mutually and is separate tube structure, sliding using several tube panels
Moving cell 508 is fixed to each other, and allows axial expansion and confinement tube is fallen out, 6 groups of tube panel sliding units are provided in the present embodiment.
The fixed just above part introduces with dispersing form of tubes, draw main body membrane wall after respectively with distribution header 503 and header
505 connections, distribute header and header is arranged in annular space space 10 and is vertically arranged.Each intermediate radiation shield collects
Header and allocation set box number are 1, and device one shares 18 small headers.Connection distribution header 503 is the second import connection
Pipe 502, connection header 505 is second outlet connecting tube 504, and quantity is identical as header.
Contact aditus laryngis 7 is made of spiral coil and side towards the fire laying refractory material, the structure one of slag bucket 6 and contact aditus laryngis 7
Sample is also made of spiral coil and side towards the fire lays refractory material.Since coil arrangement design is more mature, it is not described in detail here.
The exit of slag bucket 6 is provided with spare Quench nozzle 9, then uses water spray Quench to make it when the temperature of exiting syngas is not up to standard
Discharge after up to standard.
Using the present apparatus, high-temperature synthesis gas temperature can not only be dropped to design value, and a large amount of sensible heats, by-product can be recycled
Saturated vapor or superheated steam can be used for other processes in chemical plant or generate electricity for IGCC, effectively improve energy utilization rate.
The utility model is not limited to specific embodiment above-mentioned.The utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and disclose any new method or process the step of or any new group
It closes.
Claims (10)
1. a kind of for recycling the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace, which is characterized in that described
Waste-heat recovery device includes the main body membrane wall and intermediate radiation shield of shell and setting in the housing；Main body membrane wall surrounds waste heat
The burner hearth of recyclable device and including upper cone section, lower cone section and intermediate direct tube section, forms annular space between main body membrane wall and shell
Space；Suspension arrangement is in the inside of burner hearth along the centripetal setting of main body membrane wall and in array for intermediate radiation shield, centre radiation
Screen inside forms circulation passage.
2. according to claim 1 for recycling the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace,
It is characterized in that, the slag of waste-heat recovery device vertical vaporizer in the lower part of gasification furnace and top and gasification furnace
Mouth connection.
3. according to claim 1 for recycling the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace,
It is characterized in that, the waste-heat recovery device further includes the contact aditus laryngis that top is arranged in, and the contact aditus laryngis is spiral coil knot
Structure and side towards the fire is laid with refractory material.
4. according to claim 1 for recycling the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace,
It is characterized in that, the waste-heat recovery device further includes slag bucket arranged at the bottom and spare Quench nozzle, and the slag bucket is spiral
Coil arrangement and side towards the fire is laid with refractory material.
5. according to claim 1 for recycling the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace,
It is characterized in that, the intermediate direct tube section of the main body membrane wall is successively to organize the membrane wall that weldering is formed, the master by light pipe and band steel
Fork-shaped tube transitions are used between the intermediate direct tube section and upper cone section and lower cone section of body membrane wall.
6. according to claim 1 for recycling the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace,
Be characterized in that, the lower cone section of the main body membrane wall be connected with import annular header and be provided on import annular header first into
Mouth connecting tube；The upper cone section of the main body membrane wall is connected with outlet annular header, is provided with first on outlet annular header and goes out
Mouth connecting tube and drain pipe；Several supports, the main body membrane wall are provided on the intermediate direct tube section of the main body membrane wall
It is mounted on shell by support.
7. according to claim 1 for recycling the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace,
It is characterized in that, the intermediate radiation shield is made of several U-shaped heat pipes, and the top of intermediate radiation shield passes through tube panel fixed cell
Branch is hung in the lower part pendency of the top of main body membrane wall and intermediate radiation shield, and the tube panel fixed cell is interior with main body membrane wall
Side is fixedly connected.
8. according to claim 1 or 7 is described for recycling the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace,
It is characterized in that, the top of the intermediate radiation shield is connected to distribution after drawing main body membrane wall in the form of dispersion pipe
In header and header, it is provided with the second inlet connecting branch in the distribution header, is provided with second on the header
Outlet connecting pipe, the distribution header and header are arranged in annular space space and are vertically arranged.
9. according to claim 1 or 7 is described for recycling the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace,
It is characterized in that, the lower part of the intermediate radiation shield is provided at least two tube panel pilot units, each pipe of intermediate radiation shield it
Between mutually do not weld and be fixed to each other by several tube panel sliding units.
10. for recycling the waste heat of synthesis gas and cinder high-temperature sensible heat recycling dress in gasification furnace according to claim 3 or 4
It sets, which is characterized in that the main body membrane wall, intermediate radiation shield and contact aditus laryngis or slag bucket using water route in parallel and are taken
Forced circulation mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520870.5U CN208200858U (en) | 2018-04-13 | 2018-04-13 | For recycling the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520870.5U CN208200858U (en) | 2018-04-13 | 2018-04-13 | For recycling the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208200858U true CN208200858U (en) | 2018-12-07 |
Family
ID=64523039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820520870.5U Withdrawn - After Issue CN208200858U (en) | 2018-04-13 | 2018-04-13 | For recycling the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208200858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108384581A (en) * | 2018-04-13 | 2018-08-10 | 东方电气集团东方锅炉股份有限公司 | Waste-heat recovery device for recycling synthesis gas and cinder high-temperature sensible heat in gasification furnace |
-
2018
- 2018-04-13 CN CN201820520870.5U patent/CN208200858U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108384581A (en) * | 2018-04-13 | 2018-08-10 | 东方电气集团东方锅炉股份有限公司 | Waste-heat recovery device for recycling synthesis gas and cinder high-temperature sensible heat in gasification furnace |
| CN108384581B (en) * | 2018-04-13 | 2024-04-26 | 东方电气集团东方锅炉股份有限公司 | Waste heat recovery device for recovering high-temperature sensible heat of synthesis gas and slag in gasification furnace |
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