CN209180902U - Coal gas of high temperature cooling device - Google Patents
Coal gas of high temperature cooling device Download PDFInfo
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- CN209180902U CN209180902U CN201821834956.1U CN201821834956U CN209180902U CN 209180902 U CN209180902 U CN 209180902U CN 201821834956 U CN201821834956 U CN 201821834956U CN 209180902 U CN209180902 U CN 209180902U
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- coal gas
- high temperature
- flue
- superheater
- steam
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Abstract
The utility model discloses a kind of coal gas of high temperature cooling devices.Including the closed flue surrounded by fin panel casing, flue upper end is coal gas of high temperature entrance, lower end is low temperature coal gas outlet, primary superheater, two-stage superheater, level-one evaporator, secondary evaporimeter and economizer have been sequentially arranged in flue from top to bottom, water supply enters economizer from feed-water intake and exchanges heat, steam water interface after heat exchange enters drum by drainage tube, then enters membrane wall through down-comer.Steam water interface is after membrane wall, double effect evaporator, drum is introduced back by steam fairlead, saturated vapor in drum leads to two-stage superheater through saturated vapor fairlead, successively become superheated steam after two-stage superheater, direct-contact desuperheater, primary superheater heat exchange, superheated steam leads to collection vapour header by superheated steam fairlead, is exported and is discharged by superheated steam.Using full film type wall welding structure, good seal performance while structure is simple prevents leakage, guarantees that safety, the thermal efficiency are high.
Description
Technical field
The utility model relates to a kind of cooling device, specifically a kind of closed type coal gas of high temperature cooling device.
Background technique
Primary energy structure feature based on coal determines that China greatly develops the importance of Chemical Industry and urgent
Property, and Coal Gasification Technology is then to realize Coal Clean, efficient, comprehensive utilization important technical, and develop traditional coalification
The basis and key technology that the essential industries metaplasia such as work, Modern Coal-based Chemical, coal oil, natural gas from coal, Coal (syngas) polygeneration produces
Means.In existing coal gasifying process process, coal gas of high temperature cooling device is important component, and it acts as to coal gas of high temperature
While cooling, water supply is become into steam and is used.Since gas temperature height, the smoke content that coal gasification comes out are big, fine powder
Ash is easy spontaneous combustion and dust stratification in cooling device, and because medium is coal gas, containing imflammable gas, such as carbon monoxide,
There is difficult sealing, easily leakage, low efficiency in methane etc., cooling device.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of coal gas of high temperature cooling device, sealing effect is good, safe
Performance is high, high-efficient, deashing property is good, can modularization factory.
In order to solve the technical problem, the technical solution adopted in the utility model is: a kind of coal gas of high temperature cooling device,
Including the closed flue surrounded by fin panel casing, flue upper end is coal gas of high temperature entrance, and lower end is low temperature coal gas outlet, cigarette
Primary superheater, two-stage superheater, level-one evaporator, secondary evaporimeter and economizer are sequentially arranged in road from top to bottom, also
Including carbonated drink process, carbonated drink process includes that water supply enters economizer from feed-water intake and exchanges heat, the steam water interface after heat exchange
Enter drum by drainage tube, then enters membrane wall through down-comer.Steam water interface is after membrane wall, double effect evaporator, by steaming
Vapour fairlead is introduced back into drum, and the saturated vapor in drum leads to two-stage superheater through saturated vapor fairlead, successively passes through
Become superheated steam after two-stage superheater, direct-contact desuperheater, primary superheater heat exchange, superheated steam is drawn by superheated steam fairlead
To collection vapour header, is exported and be discharged by superheated steam.
Further, flue upper end is equipped with hanging, and flue is suspended on steelframe crossbeam by hanging.
Further, the flue is by front side fin panel casing, left side fin panel casing, right side fin panel casing, rear side
Fin panel casing is welded to form.
Further, level-one evaporator and secondary evaporimeter are directly welded on film-type water-cooling device pipe row.
Further, drum is by seat supports on steelframe crossbeam.
The utility model has the beneficial effects that the utility model uses overhung construction, heating surface can free wxpansion.Using full film
Formula wall welding structure, good seal performance while structure is simple prevent leakage, guarantee that safety, the thermal efficiency are high.Evaporator directly welds
It is connected on membrane wall pipe row, is not required to open up wall-through hole on flue, can preferably guarantee flue sealing effect.Whole convection current by
Hot face uses coarse pitch, in-line arrangement, prevents dust stratification and corrosion.The present apparatus can integral module factory, in-site installation is simple and convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure: 1, drum, 2, down-comer, 3, front side fin panel casing, 4, left side fin panel casing, 5, right side film-type water-cooling
Wall, 6, rear side fin panel casing, 7, steam fairlead, 8, primary superheater, 9, spray cooling device, 10, two-stage superheater, 11,
Level-one evaporator, 12, secondary evaporimeter, 13, economizer, 14, hanging, 15, support, 16, feed-water intake, 17, drainage tube, 18,
Saturated vapor fairlead, 19, superheated steam fairlead, 20, collection vapour header, 21, superheated steam outlet, 22, coal gas of high temperature entrance,
23, low temperature coal gas exports.
Specific embodiment
The utility model is further described in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of coal gas of high temperature cooling device, including by front side fin panel casing 3, left side fin panel casing 4,
The closed flue that right side fin panel casing 5, rear side fin panel casing 6 are welded to form, flue upper end are equipped with coal gas of high temperature entrance
22, lower end is equipped with low temperature coal gas outlet 23, has been sequentially arranged primary superheater 8, two-stage superheater 10, one from top to bottom in flue
Grade evaporator 11, secondary evaporimeter 12 and economizer 13.Dust stratification and corrosion in order to prevent, primary superheater 8, two-stage superheater
10, level-one evaporator 11, secondary evaporimeter 12, economizer 13 prevent dust stratification and corrosion using coarse pitch, in-line arrangement, and at different levels
There are space for maintenances between heating surface.
In order to operate normally coal gas cooling device, not only to guarantee that evaporating heating surface water circulation is reliable but also necessary
Guarantee that water attack does not occur for water supply and economizer, bias current does not occur for superheated steam, it is also necessary to design carbonated drink process.Carbonated drink process includes
The feed-water intake 16 that is set on economizer 13, the drainage tube 17 that drum 1 is connected to by economizer 14 are connected to film by drum 1
The down-comer 2 of formula wall lower header is provided with steam fairlead 7 on fin panel casing upper collecting chamber, and steam fairlead 7 is connected to drum 1,
Drum is connected to two-stage superheater 10 further through saturated vapor fairlead 18, and superheated steam outlet 21, level-one are equipped with above flue
Superheater 8 is connected to superheated steam outlet 21 by superheated steam fairlead 19.When work, water supply enters from feed-water intake 16 to be saved
Coal device 13 exchanges heat, and the steam water interface after heat exchange enters drum 1 by drainage tube 17, then enters membrane wall through down-comer 2
The part that flue is located at below economizer (is known as membrane wall lower header in the present embodiment) by lower header.Steam water interface is through membrane type
After wall, double effect evaporator, drum 1 is introduced back by steam fairlead 7, the saturated vapor in drum 1 is through saturated vapor fairlead
18 lead to two-stage superheater 10, successively become overheat after two-stage superheater 10, direct-contact desuperheater 9, primary superheater 8 exchange heat
Steam, superheated steam lead to collection vapour header 20 by superheated steam fairlead 19, by 21 discharge of superheated steam outlet.With used for other purposes.
According further to real work situation, blowdown, hydrophobic, dosing or sampling system etc. can also be set.
In the present embodiment, flue upper end is equipped with hanging 14, and flue is suspended on steelframe crossbeam by hanging 14.Using suspention
Structure, heating surface can free wxpansions.
In the present embodiment, level-one evaporator 11 and secondary evaporimeter 12 are directly welded on film-type water-cooling device pipe row, are not required to
Wall-through hole is opened up on flue, can preferably guarantee flue sealing effect.
In the present embodiment, primary superheater 8 is high temperature superheater, and two-stage superheater 10 is low temperature superheater.
The coal gas process of coal gas of high temperature cooling device described in the utility model is: the coal gas of high temperature come out from gasification furnace enters
The flue that front side fin panel casing 3, left side fin panel casing 4, right side fin panel casing 5 and rear side fin panel casing 6 form, according to
It is secondary to carry out heat convection with high temperature superheater 8, low temperature superheater 10, level-one evaporator 11, secondary evaporimeter 12, economizer 13,
Coal gas after cooling enters subsequent coal gas processing equipment.
The utility model uses overhung construction, and heating surface can free wxpansion.Using full film type wall welding structure, structure is simple
While good seal performance, prevent leakage, guarantee that safety, the thermal efficiency are high.Evaporator is directly welded on membrane wall pipe row, is not required to
Wall-through hole is opened up on flue, can preferably guarantee flue sealing effect.Whole convection heating surfaces use coarse pitch, in-line cloth
It sets, prevents dust stratification and corrosion.The present apparatus can integral module factory, in-site installation is simple and convenient.
Coal gas of high temperature cooling device described in the utility model has strict demand to leakproofness, using full film type wall flue structure
Can better seal, have many advantages, such as efficiently, easy-to-clean ash, wear-resistant, security performance is good, can modularization factory.
Described above is only the basic principle and preferred embodiment of the utility model, and those skilled in the art are according to this reality
With it is novel make change machine and replacement, belong to the protection scope of the utility model.
Claims (5)
1. a kind of coal gas of high temperature cooling device, it is characterised in that: including the closed flue surrounded by fin panel casing, upper end is
Coal gas of high temperature entrance, lower end are low temperature coal gas outlet, have been sequentially arranged primary superheater, secondary superheater from top to bottom in flue
Device, level-one evaporator, secondary evaporimeter and economizer, further include carbonated drink process, carbonated drink process include water supply from feed-water intake into
Enter economizer to exchange heat, the steam water interface after heat exchange enters drum by drainage tube, then enters membrane wall, vapour through down-comer
Aqueous mixtures are introduced back into drum after membrane wall, double effect evaporator, by steam fairlead；Saturated vapor in drum is through being saturated
Steam fairlead leads to two-stage superheater, successively becomes after two-stage superheater, direct-contact desuperheater, primary superheater heat exchange
Hot steam, superheated steam lead to collection vapour header by superheated steam fairlead, are exported and be discharged by superheated steam.
2. coal gas of high temperature cooling device according to claim 1, it is characterised in that: flue upper end is equipped with hanging, and flue is logical
Hanging is crossed to be suspended on steelframe crossbeam.
3. coal gas of high temperature cooling device according to claim 1, it is characterised in that: the flue is by front side film-type water-cooling
Wall, left side fin panel casing, right side fin panel casing, rear side fin panel casing are welded to form.
4. coal gas of high temperature cooling device according to claim 1, it is characterised in that: level-one evaporator and secondary evaporimeter are straight
It connects and is welded on monowall tube row.
5. coal gas of high temperature cooling device according to claim 1, it is characterised in that: drum is by seat supports in steelframe cross
Liang Shang.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821834956.1U CN209180902U (en) | 2018-11-08 | 2018-11-08 | Coal gas of high temperature cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821834956.1U CN209180902U (en) | 2018-11-08 | 2018-11-08 | Coal gas of high temperature cooling device |
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| Publication Number | Publication Date |
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| CN209180902U true CN209180902U (en) | 2019-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821834956.1U Active CN209180902U (en) | 2018-11-08 | 2018-11-08 | Coal gas of high temperature cooling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115595180A (en) * | 2022-11-09 | 2023-01-13 | 四川川锅锅炉有限责任公司（Cn） | Device and method for improving furnace starting speed of radiation waste boiler of gasification furnace |
-
2018
- 2018-11-08 CN CN201821834956.1U patent/CN209180902U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115595180A (en) * | 2022-11-09 | 2023-01-13 | 四川川锅锅炉有限责任公司（Cn） | Device and method for improving furnace starting speed of radiation waste boiler of gasification furnace |
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