CN203530255U - Gasification furnace and gas-guide pipe for gasification furnace - Google Patents
Gasification furnace and gas-guide pipe for gasification furnace Download PDFInfo
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- CN203530255U CN203530255U CN201320573197.9U CN201320573197U CN203530255U CN 203530255 U CN203530255 U CN 203530255U CN 201320573197 U CN201320573197 U CN 201320573197U CN 203530255 U CN203530255 U CN 203530255U
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- airway
- coil pipe
- water inlet
- gas
- gasification furnace
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Abstract
The utility model discloses a gasification furnace and a gas-guide pipe for the gasification furnace. The gasification furnace comprises a reaction chamber, a shock chamber and the gas-guide pipe, wherein the gas-guide pipe comprises an upper opening, a lower opening and a side wall; the side wall comprises fins and a helical coiled pipe, and the fins are arranged at helical clearances of the coiled pipe and are fixedly connected to the coiled pipe at the two sides of the helical clearances; an upper water inlet is formed in one end, which is close to the upper opening, of the outer wall of the coiled pipe and a lower water inlet is formed in one end, which is close to the lower opening, of the outer wall of the coiled pipe; and a plurality of open pores are formed in the inner wall of the coiled pipe. As the gas-guide pipe of the gasification furnace is used for simultaneous water injection through the upper water inlet and the lower water inlet, the inner part of the cavity is full of flowing water all the time so as to effectively prevent the gas guide pipe from being burned; and in addition, water sprayed out by the open pores has the effects of washing and dust removal while cooling matters in the gas-tube pipe, so that the washing and cleaning of follow-up raw gas are facilitated.
Description
Technical field
The utility model relates to gasification field, more relates to a kind of airway for vapourizing furnace and vapourizing furnace.
Background technology
Mass air stream bed coal-gasification technology becomes the main flow of current Coal Gasification Technology, wherein dry coal powder gasification technology is because coal adaptability is wide, effective factor of created gase is high and consume the advantages such as low than oxygen, obtained increasing application, and GSP vapourizing furnace (Siemens Company) is the Typical Representative that adopts pressurization of dry pulverized coal air flow bed technology, be with a wide range of applications.
Vapourizing furnace comprises the reaction chamber reacting and the shock chamber that the material from reaction chamber is carried out to Quench, and is provided with in the outlet of reaction chamber the airway that passes into shock chamber.The effect one of described airway is air-flow and the slag that guiding coal gasification reaction produces, and better protects vapourizing furnace cylindrical shell not by high-temperature gas scaling loss; The 2nd, control gas flow rate, reduce gas band ash, improve efficiency of carbon conversion.
In the sidewall of existing airway, be provided with cooling water coil, the recirculated cooling water by burner nozzle cooling water system carries out cooling.In burner nozzle cooling water system, recirculated cooling water, except cooling airway, also carries out cooling to burner and combustion chamber support simultaneously.
Yet; in actual motion; airway in vapourizing furnace is easy scaling loss still; and after airway scaling loss; probably cause burner nozzle cooling water system fluctuation of service; make burner nozzle cooling water system moisturizing not in time, can not play a very good protection to burner, cause vapourizing furnace interlocking jump car or cause gasifier nozzle scaling loss.And after airway localized burn, high-temperature gas washes away vapourizing furnace cylindrical shell by airway hole, cause the attenuation of vapourizing furnace cylindrical shell, when serious, can cause cylindrical shell to be torn.
In addition; in cooling water coil in airway; the flow pattern of recirculated cooling water is low in and high out; if airway scaling loss makes the water coolant in its wall occur leak source; water coolant can not be realized Efficient Cycle and in the vapourizing furnace that directly bleeds, make airway epimere cannot obtain protection, causes airway big area scaling loss; cinder notch accumulated slag under while vapourizing furnace, system pressure fluctuation, parking.
Utility model content
The purpose of this utility model is to provide a kind of airway for vapourizing furnace and vapourizing furnace, to solve the problem of the easy scaling loss of airway in vapourizing furnace, maintains the long-term operation of vapourizing furnace.
For achieving the above object, the utility model is by the following technical solutions:
For an airway for vapourizing furnace, comprise for being connected to the upper shed of the reaction chamber outlet of vapourizing furnace, for stretching into lower opening and the sidewall of the shock chamber of vapourizing furnace; Wherein, described sidewall comprises fin and spiral helicine coil pipe, described fin is arranged on the gap between screw place of described coil pipe and is fixedly connected with the coil pipe of described gap between screw both sides, so that can not arrive through described sidewall the outside of described sidewall at the material of described inside sidewalls; Described coil pipe outer wall is provided with upper water inlet near one end of upper shed, at described coil pipe outer wall, near one end of lower opening, is provided with lower water inlet; Described coil pipe inwall is provided with a plurality of perforates, for discharging the water of being introduced by upper water inlet and lower water inlet.
According to airway of the present utility model, preferably, described perforate is arranged on the bottom of described coil pipe inwall.Further preferably, described perforate is arranged on the bottom of described sidewall.
According to airway of the present utility model, preferably, the aperture of described perforate is 4-12mm, and the number of described perforate is 8-20, around being circumferentially uniformly distributed of described sidewall; Further preferably, the aperture of described perforate is 5-10mm, and the number of described perforate is 10-15.
The vapourizing furnace that the utility model provides comprises the reaction chamber reacting, shock chamber and the airway as above that the material from reaction chamber is carried out to Quench, described airway is arranged between described reaction chamber and described shock chamber, for the material from described reaction chamber is imported to described shock chamber.
Compared with prior art, adopt airway of the present utility model, due to simultaneously, by upper water inlet and lower water inlet water filling, therefore in described inner chamber, be full of all the time mobile water, described airway scaling loss be can effectively prevent, safety, the steady running of vapourizing furnace guaranteed; In addition, the material of the water spraying by described perforate in airway can also play the effect of washing, dedusting when lowering the temperature, and is conducive to the washing, purifying of follow-up raw gas.
Accompanying drawing explanation
The schematic diagram of the airway for vapourizing furnace that Fig. 1 provides for the utility model;
Fig. 2 is the diagrammatic cross-section of the airway of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, further describing the utility model provides, but therefore the utility model is not subject to any restriction.
Vapourizing furnace comprises the reaction chamber reacting and the shock chamber that the material from reaction chamber is carried out to Quench, and is provided with in the outlet of reaction chamber the airway that passes into shock chamber.
Referring to Fig. 1 and Fig. 2, described airway comprises for being connected to the upper shed 1 of the reaction chamber outlet of vapourizing furnace, for stretching into lower opening 2 and the sidewall 3 of the shock chamber of vapourizing furnace.Wherein, described sidewall 3 further comprises spirrillum coil pipe 4 and fin 5, described fin 5 is arranged on the gap between screw place of described coil pipe 4 and is fixedly connected with the coil pipe 4 of described gap between screw both sides, to can not arrive through described sidewall 3 outside of described sidewall 3 at the material of described sidewall 3 inner sides.Like this, alternately there is from top to bottom the coil pipe 4 and the fin 5 that are fixedly connected with in described sidewall 3 between described upper shed 1 and lower opening 2.
Described coil pipe outer wall 41 refers to the coil pipe wall in described sidewall 3 outsides, and described coil pipe inwall 42 refers to the coil pipe wall of described sidewall 3 inner sides.
Described coil pipe outer wall 41 is provided with upper water inlet 43 near one end of upper shed 1, and described upper water inlet 43 is communicated with the tube chamber 45 of described coil pipe 4, to water is injected in described coil pipe 4; At described coil pipe outer wall 41, near one end of lower opening 2, be provided with lower water inlet 44, the running mouth of a river 44 is communicated with the tube chamber 45 of described coil pipe 4, to water is injected in described coil pipe 4.
On described coil pipe inwall 42, be provided with a plurality of equally distributed perforates 46, so that when gasifier operation, discharge the water of being introduced by upper water inlet 43 and lower water inlet 44, and the water in described coil pipe 4 is sprayed in airway, to the material spraying cooling in airway.
When the water yield one timing of injecting by upper water inlet 43 and lower water inlet 44, the size of perforate 46, quantity and position all can exert an influence to the spraying cooling of material in airway.Preferably, described perforate 46 is arranged on the bottom of described coil pipe inwall 42, so that the direction of water of ejection is tilted to down from described coil pipe 4, and in wash cooling airway in descending material, the resistance of minimizing to descending material.In the actual motion of vapourizing furnace; because the chilled water arranging in shock chamber can spray the top of described sidewall 3; for the top of described sidewall 3 provides certain protection; therefore; further preferably; described perforate 46 is arranged on the bottom of described sidewall 3, better the bottom of described sidewall 3 is protected.
Aperture in perforate described in the utility model 46 is preferably 4-12mm, and number is 8-20, around the circumferential distribution of described sidewall; 5-10mm more preferably, number is 10-15; Described perforate, to provide more excellent spraying effect.
Adopt airway of the present utility model, when gasifier operation, from the material of reaction chamber, through upper shed 1 and the lower opening 2 of airway, enter into shock chamber.Water coolant passes in the coil pipe 4 of described airway by upper water inlet 43 and lower water inlet 44 simultaneously, and sprays in airway by the perforate 46 on described coil pipe inwall 42.Due to simultaneously, by upper water inlet 43 and lower water inlet 44 water fillings, therefore in described coil pipe 4, be full of all the time mobile water, can effectively prevent described airway scaling loss.In addition, the water spraying by described perforate 46 can also play the effect of washing, dedusting when the material in airway is lowered the temperature, is conducive to the washing, purifying of follow-up raw gas.
Above-described embodiment is only for illustration of the utility model, rather than to restriction of the present utility model.Should be noted that; those of ordinary skill in the art is not departing under the prerequisite of spirit and scope of the present utility model; can also make a variety of changes and be out of shape; therefore the technical scheme being equal to used also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (6)
1. for an airway for vapourizing furnace, comprise for being connected to the upper shed of the reaction chamber outlet of vapourizing furnace, for stretching into lower opening and the sidewall of the shock chamber of vapourizing furnace; It is characterized in that, described sidewall comprises fin and spiral helicine coil pipe, described fin is arranged on the gap between screw place of described coil pipe and is fixedly connected with the coil pipe of described gap between screw both sides, so that can not arrive through described sidewall the outside of described sidewall at the material of described inside sidewalls; Described coil pipe outer wall is provided with upper water inlet near one end of upper shed, at described coil pipe outer wall, near one end of lower opening, is provided with lower water inlet; Described coil pipe inwall is provided with a plurality of perforates, for discharging the water of being introduced by upper water inlet and lower water inlet.
2. airway as claimed in claim 1, is characterized in that, described perforate is arranged on the bottom of described coil pipe inwall.
3. airway as claimed in claim 1, is characterized in that, described perforate is arranged on the bottom of described sidewall.
4. airway as claimed in claim 3, is characterized in that, the aperture of described perforate is 4-12mm, and the number of described perforate is 8-20, around being circumferentially uniformly distributed of described sidewall.
5. airway as claimed in claim 4, is characterized in that, the aperture of described perforate is 5-10mm, and the number of described perforate is 10-15.
6. a vapourizing furnace, comprise the reaction chamber reacting, shock chamber and the airway as described in any one in claim 1-5 that the material from reaction chamber is carried out to Quench, described airway is arranged between described reaction chamber and described shock chamber, for the material from described reaction chamber is imported to described shock chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320573197.9U CN203530255U (en) | 2013-09-16 | 2013-09-16 | Gasification furnace and gas-guide pipe for gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320573197.9U CN203530255U (en) | 2013-09-16 | 2013-09-16 | Gasification furnace and gas-guide pipe for gasification furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203530255U true CN203530255U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320573197.9U Expired - Lifetime CN203530255U (en) | 2013-09-16 | 2013-09-16 | Gasification furnace and gas-guide pipe for gasification furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203530255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030028A (en) * | 2018-10-08 | 2019-07-19 | 江苏信创安全技术研究院有限公司 | A kind of Intelligent water injection cooling high-efficiency water-saving system and method administered for coal fire |
-
2013
- 2013-09-16 CN CN201320573197.9U patent/CN203530255U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030028A (en) * | 2018-10-08 | 2019-07-19 | 江苏信创安全技术研究院有限公司 | A kind of Intelligent water injection cooling high-efficiency water-saving system and method administered for coal fire |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |
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| CX01 | Expiry of patent term |