CN106545831A - Waste heat boiler heat exchanger and fixed bed pressured gasification system - Google Patents
Waste heat boiler heat exchanger and fixed bed pressured gasification system Download PDFInfo
- Publication number
- CN106545831A CN106545831A CN201710062992.4A CN201710062992A CN106545831A CN 106545831 A CN106545831 A CN 106545831A CN 201710062992 A CN201710062992 A CN 201710062992A CN 106545831 A CN106545831 A CN 106545831A
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- Prior art keywords
- waste heat
- housing
- heat exchanger
- tubulation
- drum
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/86—Other features combined with waste-heat boilers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
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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
-
- 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 invention provides a kind of waste heat boiler heat exchanger and fixed bed pressured gasification system, the heat exchanger includes：Housing, drum, waste heat heat exchanging pipe, steam superheating tubulation, pressure differential detection element and collection ash can；Waste heat heat exchanging pipe is arranged on medium position in housing, the waste heat heat exchanging pipe is connected with drum, steam superheating tubulation is arranged on housing internal upper part position, and be connected with drum, in pressure differential detection element mounting shell body, to be monitored with steam superheating tubulation laying dust situation to waste heat heat exchanging pipe；Install in housing low inside and be equipped with separated space, be used for into promoting the circulation of qi ash content from shell wall is respectively equipped with air inlet and exhaust outlet in housing upper and lower part；Collection ash can is connected with the bottom of housing, to collect the dust isolated.This product have the advantages that rational in infrastructure, efficiency high, pollute it is little, take up an area less, reduced investment, energy-conserving and environment-protective.
Description
Technical field
The present invention relates to industrial hot gas reclaimer field, adds more particularly, to a kind of waste heat boiler heat exchanger and fixed bed
Pressure gasification system.
Background technology
At present, as the consciousness of energy-saving and emission-reduction generally reaches common recognition in masses, traditional coal gas chemical industry, synthesize ammonia work
The waste gas of the generation of the chemical industry such as industry, ethylene industry or petrochemical industry is usually directly discharged to air, causes the substantial amounts of waste of heat.
Waste heat recovery not only can bring the energy in terms of economic benefit, environmental pollution can also be reduced；Waste heat boiler is
Using the visual plant of the waste heat next life producing steam in industrial processes, it is widely used in coal gas chemical industry, synthesis ammonia work
The Waste Heat Recovery of the chemical industry such as industry, ethylene industry or petrochemical industry；Waste heat boiler is arranged in all types of industries flow process, remaining for reclaiming
Heat, in the thermal efficiency for improving single unit system, in terms of reducing environmental pollution and meeting some technological requirements, plays highly important work
With；It can be seen that, make full use of residual heat resources produce huge economic benefit and social benefit.
But, the coal gas generally existing dust-carrying capacity of current coal gasification industrial output is big, serious to equipment abrasion, Yi Jiyu
Heat recovery efficiency is low, the problems such as heat transmission equipment is easily blocked.
Accordingly, it would be desirable to a kind of novel waste heat boiler heat-exchanger, to realize to the direct waste heat recovery of coal gasification discharged producer gas simultaneously
Carry out rough dusting, at the same can by-product superheated steam applied.
The content of the invention
It is an object of the invention to provide a kind of waste heat boiler heat exchanger, the purpose of the waste heat boiler heat exchanger is to solve
As coal gas dust-carrying capacity is big, serious to equipment abrasion in prior art, and waste heat recovery efficiency is low, and heat transmission equipment is easily blocked
Etc. technical problem.
For achieving the above object, the present invention provides technical scheme below：
A kind of waste heat boiler heat exchanger, including：Housing, drum, waste heat heat exchanging pipe, steam superheating tubulation, pressure differential detection
Element and collection ash can；
The waste heat heat exchanging pipe is arranged on medium position in housing, and waste heat heat exchanging pipe is provided with feed tube and goes out liquid
Pipe, feed tube are connected with drum bottom, and drain pipe is connected with the middle part of drum；
The steam superheating tubulation is arranged on housing internal upper part position, and steam superheating tubulation is provided with air inlet pipe and outlet
Pipe, air inlet pipe are connected with drum, and escaping pipe is connected with superheated steam outer tube；To outside conveying steam.
In the pressure differential detection element mounting shell body, and then realize pressure differential detection element to waste heat heat exchanging pipe and steam mistake
The laying dust situation of hot tubulation is monitored monitor in real time；
Install in housing low inside and be equipped with separated space, be used for into promoting the circulation of qi ash content to reduce gas dust content；
Air inlet is provided with housing upper shell wall, on the shell wall of bottom, exhaust outlet is additionally provided with；Also, exhaust outlet is preferably provided at
On the shell wall of spaced-apart locations；
The collection ash can is connected with the bottom of housing, to collect the dust isolated.
Further, also including fuel gas detecting element, the fuel gas detecting element is arranged on the steam of drum
On exit position, to be monitored with steam superheating tubulation abrasion condition to waste heat heat exchanging pipe in the heat exchanger.
Further, the inwall of the housing adopts thermal refractory material, wherein, side towards the fire is wear-resistant castable or weight
Matter refractory matter lining.
Further, external soft water is heated using waste heat heat exchanging pipe in the housing, soft water enters high-order after heating
Drum, produces saturated vapor in drum, and the saturated vapor in drum enters the steam superheating tubulation, and saturated vapor is heated
For superheated steam and send outside.
Further, wearing-resistant tile is respectively arranged with the top of the steam superheating tubulation and the waste heat heat exchanging pipe, with
Reduce the abrasion of heat exchanging tubulation.
Further, the housing is connected using flange with end socket, is easy to waste heat heat exchanging pipe in housing and steam mistake
Hot tubulation carries out dismounting maintenance.
Further, the import of the collection ash can is provided with lock slag ball valve.
Further, the thermal source of the waste heat boiler heat exchanger adopts raw gas and/or unstripped gas.
Further, the supply reactor that the thermal source is adopted is static bed coal gasification technology reactor, recirculating fluidized bed
Coal Gasification Technology reactor, air-flow bed coal-gasification technology reactor or oven gas conversion of methane device.
A kind of fixed bed pressured gasification system, including preheater, blender, gasification reactor, dust separator, washing be full
And tower, and waste heat boiler heat exchanger as above；
The preheater, blender, gasification reactor, dust separator, waste heat boiler heat exchanger, washing saturator are successively
It is connected, the dust separator, the waste heat boiler heat exchanger and the washing saturator are connected with grey water treatment system
It is logical.
With reference to above technical scheme, the waste heat boiler heat exchanger that the present invention is provided has following technique effect：
The heat of raw gas/unstripped gas can be had using the waste heat heat exchanging pipe and steam superheating tubulation in housing
Effect is utilized, waste heat recovery efficiency high, and byproduct steam taste is high；The pressure differential detection element arranged in housing, can exchange heat to waste heat
Tubulation and steam superheating tubulation laying dust situation are monitored, and can guarantee that the safe operation of equipment.In the separated space of lower housing portion
In, the fine solid particles in raw gas/unstripped gas carry out sedimentation separation, and the fine solid particles for separating enter collection ash
Tank, and discharged by ash discharging hole, sent by the exhaust outlet of housing through detached raw gas/unstripped gas.Using the present embodiment
The waste heat boiler heat exchanger of offer, have the advantages that rational in infrastructure, efficiency high, pollute it is little, take up an area less, reduced investment, energy-conserving and environment-protective.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
Needed for embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the structural representation of the waste heat boiler heat exchanger that the embodiment of the present invention one is provided；
Fig. 2 is the another structural representation of the waste heat boiler heat exchanger that the embodiment of the present invention one is provided；
Fig. 3 is another structural representation of the waste heat boiler heat exchanger that the embodiment of the present invention one is provided；
Fig. 4 is the structural representation of the fixed bed pressured gasification system that the embodiment of the present invention two is provided.
Reference：
1- housings；2- drums；3- waste heat heat exchanging pipes；4- steam superheating tubulations；5- pressure differential detection elements；6- collection ash cans；
7- wearing-resistant tiles；8- fuel gas detecting elements；9- locks slag ball valve；11- separated spaces；12- air inlets；13- exhaust outlets.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described enforcement
Example is a part of embodiment of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, ordinary skill
The every other embodiment obtained under the premise of creative work is not made by personnel, belongs to the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to description the present invention and simplify description, rather than indicate or imply indication device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
Refer to Fig. 1；A kind of waste heat boiler heat exchanger is present embodiments provided, the waste heat boiler heat exchanger includes：Housing
1st, drum 2, waste heat heat exchanging pipe 3, steam superheating tubulation 4, pressure differential detection element 5 and collection ash can 6.
The waste heat heat exchanging pipe 3 is arranged on medium position in housing 1, and waste heat heat exchanging pipe 3 is provided with feed tube and goes out
Liquid pipe, feed tube are connected with 2 bottom of drum, and drain pipe is connected with the middle part of drum 2；Into the gas in housing 1 to waste heat
Soft water in heat exchanging pipe 3 is heated, and the soft water after heating enters drum 2, in drum 2 produces saturated vapor, with to
Operation provides condition afterwards, realizes the utilization of the used heat coal gas heat energy to industrial output.
The steam superheating tubulation 4 is arranged on 1 internal upper part position of housing, and the steam superheating tubulation 4 is provided with air inlet pipe
And escaping pipe, air inlet pipe is connected with drum 2, and escaping pipe is connected with superheated steam outer tube；Heat in waste heat heat exchanging pipe 3
After soft water afterwards produces saturated vapor in drum 2, saturated vapor is input into into steam superheating tubulation 4 by drum 2, then by
Used heat heated by gas is superheated steam and sends use outside.
Preferably, the top of the steam superheating tubulation 4 and the waste heat heat exchanging pipe 3 is respectively arranged with wearing-resistant tile 7, with
Reduce the abrasion to steam superheating tubulation 4 and the waste heat heat exchanging pipe 3 at gas feed, extend steam superheating tubulation 4 and institute
State the service life of waste heat heat exchanging pipe 3.
The pressure differential detection element 5 is installed in housing 1, and the effect of pressure differential detection element 5 is measurement 1 inside dusty gas of housing
Concentration, and then react the change of pressure difference, i.e. dust concentration high pressure difference is big, otherwise pressure difference is low.To exchange heat to waste heat
Tubulation 3 is monitored with 4 laying dust situation of steam superheating tubulation, can in real time to the waste heat heat exchanging pipe 3 and steam mistake in housing 1
4 laying dust of hot tubulation is cleared up, and ensures the stability that the waste heat boiler heat exchanger is used.
Install in 1 low inside of housing and be equipped with separated space 11, be used for into promoting the circulation of qi ash content to reduce gas dust content.
Air inlet 12 is provided with 1 top shell wall of housing, exhaust outlet 13 on the shell wall of bottom, is additionally provided with.
Preferably, exhaust outlet 13 is arranged on the shell wall of 11 position of separated space, for by the gas of preliminary purification
Discharged.
The collection ash can 6 is connected with the bottom of housing 1, to collect the dust isolated.
Refer to Fig. 2；This enforcement is provided in waste heat boiler heat exchanger, also including fuel gas detecting element 8, described flammable
Gas detecting element 8 is arranged on the steam (vapor) outlet position of drum 2, to waste heat heat exchanging pipe in the heat exchanger 3 and steaming
The abrasion condition of the overheated tubulation of vapour 4 is monitored, and is easy to workman to understand behaviour in service inside heat exchanger, so keeped in repair or
Change, ensure the stability that the waste heat boiler heat exchanger is used.
Preferably, the inwall of the housing 1 adopts thermal refractory material, wherein, side towards the fire is wear-resistant castable or weight
Matter refractory matter lining.
Preferably, the housing 1 is connected using flange with end socket, is easy to waste heat heat exchanging pipe in housing 13 and steam mistake
Hot tubulation 4 carries out dismounting maintenance.
Refer to Fig. 3；Preferably, the import of the collection ash can 6 is provided with lock slag ball valve 9, will be collected using waterpower
Ash is discharged.
In the waste heat boiler heat exchanger that this enforcement is provided, the thermal source of the waste heat boiler heat exchanger adopts raw gas and/or original
Material gas.
The supply reactor that thermal source is adopted can be adopted as static bed coal gasification technology reactor, circulation fluidized bed coal gasifying
Technology reactor, air-flow bed coal-gasification technology reactor or oven gas conversion of methane device etc..
The operation principle of the waste heat boiler heat exchanger that this enforcement is provided is illustrated below：
Raw gas/unstripped gas is entered in waste heat boiler heat exchanger by the entrance of housing 1, and gas passes through steam mistake
Hot tubulation 4 and waste heat heat exchanging pipe 3.Raw gas/unstripped gas is by steam superheating tubulation 4, the steam superheating that drum 2 is transported to
The saturated vapor of tubulation 4 is heated, outer after making steam reach superheat state to deliver to superheated steam outer tube.
Raw gas/unstripped gas continues to flow downward after passing through steam superheating tubulation 4, by waste heat heat exchanging pipe 3, by the external world
The soft water heating sent, makes soft water reach saturation state, and the vehicle repair major soft water for reaching saturation state is sent to drum 2, in drum 2
Interior by-product saturated vapor, saturated vapor are heated in being sent to steam superheating tubulation 4.
After raw gas/unstripped gas passes through waste heat heat exchanging pipe 3, into the separated space 11 of waste heat boiler heat exchanger bottom,
In this space, the fine solid particles in raw gas/unstripped gas carry out sedimentation separation, and the fine solid particles for separating enter
Enter to collect ash can 6, and discharged by ash discharging hole.Sent by the exhaust outlet 13 of housing 1 through detached raw gas/unstripped gas.
In the above-mentioned course of work, pressure differential detection element 5 can measure the concentration of 1 inside dusty gas of housing in real time, enter
And the change of reaction pressure difference, to be monitored to waste heat heat exchanging pipe 3 and 4 laying dust situation of steam superheating tubulation, ensureing should
The stability that waste heat boiler heat exchanger is used.
Meanwhile, the fuel gas detecting element 8 on the steam (vapor) outlet position of drum 2 can be to the heat exchanger
Interior waste heat heat exchanging pipe 3 is monitored with the abrasion condition of steam superheating tubulation 4, is easy to workman to understand inside heat exchanger and is used shape
Condition, and then keeped in repair or changed, ensure the stability that the waste heat boiler heat exchanger is used.
Using the present embodiment provide waste heat boiler heat exchanger, with rational in infrastructure, efficiency high, pollute it is little, take up an area less, throw
Money province, energy-conserving and environment-protective, the advantage for effectively playing industry production capacity and economic benefit.To being consolidated with bituminous coal, anthracite, coke as raw material
Fixed bed gasification technology and fluid bed, entrained flow bed gasification technology realize clean coal gasification, energy-saving and emission-reduction, environmental friendliness, have
Fabulous industrialization prospect and extensive social benefit.
Embodiment two
Refer to Fig. 4, this enforcement provides a kind of fixed bed pressured gasification system, the system include preheater, blender,
Gasification reactor, dust separator, washing saturator, and the waste heat boiler heat exchanger described in example one is performed as described above；
The preheater, blender, gasification reactor, dust separator, waste heat boiler heat exchanger, washing saturator are successively
It is connected, the dust separator, the waste heat boiler heat exchanger and the washing saturator are connected with grey water treatment system
It is logical.
Fixed bed pressured gasification system in the present embodiment in the course of the work, the high-temperature gas generated in gasification reactor
Carry out after rough dusting, entering waste heat boiler heat exchanger into dust separator, include cooling in waste heat boiler heat exchanger
Water, cooling water are absorbed into the heat of gas in the useless pot of coal gas, and cooling water enters drum after being heated, and in drum, byproduct water is steamed
Vapour, water vapour are entered in steam superheating tubulation, make steam heating be superheated steam, and steam superheating tubulation is with output steam to gas
Change reactor lower part region, when water vapour is directly entered the lower area of gasification reactor, into the water in gasification reactor
Internal temperature of the temperature of steam less than gasification reactor, therefore, it can play and lowers the temperature for the bottom section of gasification reactor
Effect.Additionally, when water vapour is included in the gasifying agent in gasification reactor, the water vapour into gasification reactor can conduct
A part for gasifying agent participates in gasification reaction.When water vapour is not included in the gasifying agent for using, produce in waste heat boiler heat exchanger
Raw superheated steam can be used to preheat gasifying agent, and the gasifying agent after preheating is entered in gasification reactor via gasification agent inlet.
Finally it should be noted that：Various embodiments above only to illustrate technical scheme, rather than a limitation；To the greatest extent
Pipe has been described in detail to invention with reference to foregoing embodiments, it will be understood by those within the art that：Which is still
Technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are carried out
Equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technical side
The scope of case.
Claims (10)
1. a kind of waste heat boiler heat exchanger, it is characterised in that include：Housing, drum, waste heat heat exchanging pipe, steam superheating tubulation,
Pressure differential detection element and collection ash can；
The waste heat heat exchanging pipe is arranged on medium position in housing, and the waste heat heat exchanging pipe is provided with feed tube and goes out liquid
Pipe, feed tube are connected with drum bottom, and drain pipe is connected with the middle part of drum；
The steam superheating tubulation is arranged on housing internal upper part position, and the steam superheating tubulation is provided with air inlet pipe and outlet
Pipe, air inlet pipe are connected with drum, and escaping pipe is connected with superheated steam outer tube；
In the pressure differential detection element mounting shell body, to supervise with steam superheating tubulation laying dust situation to waste heat heat exchanging pipe
Control；
Install in housing low inside and be equipped with separated space, be used for into promoting the circulation of qi ash content to reduce gas dust content, on housing
Portion's shell wall is provided with air inlet, is additionally provided with exhaust outlet on the shell wall of bottom；
The collection ash can is connected with the bottom of housing, to collect the dust isolated.
2. waste heat boiler heat exchanger according to claim 1, it is characterised in that also including fuel gas detecting element, institute
State fuel gas detecting element installed in drum steam (vapor) outlet position on, to waste heat heat exchanging pipe in the heat exchanger with
Steam superheating tubulation abrasion condition is monitored.
3. waste heat boiler heat exchanger according to claim 1, it is characterised in that the inwall of the housing adopts heat and flame
Material, wherein, side towards the fire is wear-resistant castable or heavy refractory matter lining.
4. waste heat boiler heat exchanger according to claim 1, it is characterised in that waste heat heat exchanging pipe is utilized in the housing
External soft water being heated, high-order drum being entered after soft water heating, saturated vapor is produced in drum, the saturated vapor in drum enters
Enter the steam superheating tubulation, saturated vapor is heated to be into superheated steam and is sent outside.
5. waste heat boiler heat exchanger according to claim 1, it is characterised in that the steam superheating tubulation and the waste heat
Wearing-resistant tile is respectively arranged with the top of heat exchanging pipe, to reduce the abrasion of heat exchanging tubulation.
6. waste heat boiler heat exchanger according to claim 1, it is characterised in that the housing is with end socket using flange company
Connect, be easy to dismounting maintenance be carried out to waste heat heat exchanging pipe in housing and steam superheating tubulation.
7. waste heat boiler heat exchanger according to claim 1, it is characterised in that the import of the collection ash can is provided with lock slag
Ball valve.
8. the waste heat boiler heat exchanger according to any one of claim 1-7, it is characterised in that the waste heat boiler heat exchanger
Thermal source adopt raw gas and/or unstripped gas.
9. waste heat boiler heat exchanger according to claim 8, it is characterised in that the supply reactor that the thermal source is adopted for
Static bed coal gasification technology reactor, circulation fluidized bed coal gasifying technology reactor, air-flow bed coal-gasification technology reactor or Jiao
Furnace gas conversion of methane device.
10. a kind of fixed bed pressured gasification system, it is characterised in that including preheater, blender, gasification reactor, dedusting point
From device, washing saturator, and the waste heat boiler heat exchanger as described in any one of claim 1-9；
The preheater, blender, gasification reactor, dust separator, waste heat boiler heat exchanger, washing saturator are sequentially connected
Logical, the dust separator, the waste heat boiler heat exchanger and the washing saturator are connected with grey water treatment system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710062992.4A CN106545831A (en) | 2017-01-24 | 2017-01-24 | Waste heat boiler heat exchanger and fixed bed pressured gasification system |
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| CN201710062992.4A CN106545831A (en) | 2017-01-24 | 2017-01-24 | Waste heat boiler heat exchanger and fixed bed pressured gasification system |
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| CN106545831A true CN106545831A (en) | 2017-03-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107057766A (en) * | 2017-06-28 | 2017-08-18 | 北京金泰瑞和工程科技有限公司 | The coal gasification processing system and technique produced without waste water |
| CN108504392A (en) * | 2018-06-11 | 2018-09-07 | 宁夏神耀科技有限责任公司 | A kind of coal gasification apparatus and technique |
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| CN101639212A (en) * | 2009-08-21 | 2010-02-03 | 苏州海陆重工股份有限公司 | Waste-heat boiler |
| CN102417834A (en) * | 2011-10-18 | 2012-04-18 | 安徽淮化股份有限公司 | System and technology for producing fixed bed gas and fully recovering heat |
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| CN107057766A (en) * | 2017-06-28 | 2017-08-18 | 北京金泰瑞和工程科技有限公司 | The coal gasification processing system and technique produced without waste water |
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