CN208362267U - Gasifier water-cooling wall construction - Google Patents
Gasifier water-cooling wall construction Download PDFInfo
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- CN208362267U CN208362267U CN201820658243.8U CN201820658243U CN208362267U CN 208362267 U CN208362267 U CN 208362267U CN 201820658243 U CN201820658243 U CN 201820658243U CN 208362267 U CN208362267 U CN 208362267U
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- cooling wall
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Abstract
The utility model provides a kind of gasifier water-cooling wall construction.The middle and upper part of the water-cooling wall is provided at least two burner holes along its circumferential direction, for installing charging process burner；Water leg is equipped at burner hole, for storing cooling water or Cooling Water circulation to cool down to feeding process burner.The utility model is by, along at least two burner holes of water-cooling wall being circumferentially arranged, feeding process burner in the middle and upper part of water-cooling wall for installing；By water leg for storing cooling water or Cooling Water circulation to cool down to feeding process burner, and then cool down to feeding process burner, it avoids feeding process burner overheat or even is burned out and the stabilization to gasification furnace and the influence of continuous production bring, more burner water wall structures are realized with this, it is widely used on more burner gasification furnaces, increase the range of choice of gasification inner lining of furnace, the production capacity of gasification furnace is improved, simultaneously to expand the scope of application of gasification furnace and the coal scope of application of more nozzle structures.
Description
Technical field
The utility model relates to gasification furnace technical fields, in particular to a kind of gasifier water-cooling wall construction.
Background technique
Starch coupled gasification is similar to four burners gasification process, exactly increases a top fine coal burning on the basis of four burners
Mouth.But also there are many improvements, and the refractory brick that four burners gasify most importantly is changed to water-cooling wall, and water wall structure
The design of the Natural Circulation of suspension vertical tube and essential safety is mostly used, the safety of water circulation had both been ensure that in this way, and had in turn avoided
Complicated thermal expansion processing is carried out to refractory brick.For water wall gasifier because its ring cavity protects structure, furnace wall temperature is not above water
The problem of cold wall temperature, there is no furnace wall overtemperatures.Furnace wall temperature than fire resisting tile stove reduces about 100 DEG C or so, and there is no strings
The accidents such as bulge, explosion will not occur for gas, gasification furnace.
But the gasification furnace of water wall structure is typically all the top outspoken cartridge type water wall structure of single fire in the prior art,
The outspoken cartridge type water wall structure of this single fire seriously limits the production capacity of gasification furnace, and the coal scope of application is small.
Summary of the invention
In consideration of it, the utility model proposes a kind of gasifier water-cooling wall constructions, it is intended to solve existing water wall structure gas
Change the low problem of furnace production capacity.
The utility model proposes a kind of gasifier water-cooling wall construction, the middle and upper part of the water-cooling wall is provided with along its circumferential direction
At least two burner holes, for installing charging process burner；Water leg is equipped at each burner hole, for storing cooling water
Or Cooling Water circulation is to cool down the feeding process burner.
Further, above-mentioned gasifier water-cooling wall construction, the water leg are annular water leg, and with the water-cooling wall
Each cooling water pipe is connected, for so that the cooling water flow in the annular water leg is uniform and stable to each charging
Process burner is cooled down.
Further, above-mentioned gasifier water-cooling wall construction, the interior two sides in the burner hole of annular water leg are arranged
There is vortex broken device, for preventing the cooling water in the annular water leg from generating vortex above the annular water leg.
Further, above-mentioned gasifier water-cooling wall construction, the vortex broken device are broken whirlpool plate, in the annular water leg
The flow direction of cooling water is arranged in angle.
Further, above-mentioned gasifier water-cooling wall construction, the annular water leg is interior to be equipped with isolation structure, and being used for will be described
Cooling space in annular water leg is partitioned into and the one-to-one independent cooling space between each other in the burner hole；Each institute
It states cooling space to be connected with the cooling space of the annular water leg, for making cooling water inflow around each process burner
It is constant.
Further, above-mentioned gasifier water-cooling wall construction is equipped with mutually independent independent water leg at each burner hole,
And the cooling water pipe of the corresponding water-cooling wall is connected, for the continuous cooling water in the water leg to be inputted and
Output.
Further, above-mentioned gasifier water-cooling wall construction is additionally provided with cooling water outlet pipe above the water leg, for arranging
The cooling water in steam and the water leg that evaporation generates in the water leg out.
Further, above-mentioned gasifier water-cooling wall construction, cooling water pipe and the water leg above the water leg
Roof is connected, and the input terminal of the cooling water outlet pipe is inserted in the water leg, for so that the cooling water outlet pipe
Input terminal pressure difference be less than the water leg above cooling water pipe input terminal pressure difference.
Further, above-mentioned gasifier water-cooling wall construction, the cooling water pipe above the water leg are set to the water cooling
The back-fire side of wall, and the cooling water outlet pipe be set to the water-cooling wall to fiery side.
Further, the gasification furnace inner walls of above-mentioned gasifier water-cooling wall construction, the gasification furnace are equipped with water-cooling wall branch
Support member is used to support the water-cooling wall.
Gasifier water-cooling wall construction provided by the utility model, by being set in the middle and upper part of water-cooling wall along the circumferential direction of water-cooling wall
At least two burner holes set, so that installation feeds process burner；By water leg for storing cooling water or Cooling Water stream
It passes to and feeding process burner is cooled down, and then cool down to feeding process burner, avoid feeding process burner overheat
It is even burned out and the stabilization to gasification furnace and the influence of continuous production bring, more burner water wall structures is realized with this, are mentioned
The high production capacity of gasification furnace, is widely used on more burner gasification furnaces, expand gasification furnace the scope of application and more burners
The coal scope of application of structure can be adapted for more burner coal slurry gasifiers and the gasification that more burner water-coal-slurry are coupled with fine coal
Furnace.
Especially, by the setting of annular water leg, cause stress at burner hole to avoid the variation of water-cooling wall vertical stress
Variation, and then the resistance of flow of cooling water in water-cooling wall collet is avoided, so that the cooling water flow in annular water leg is equal
Even stabilization, thus avoid feeding process burner hot-spot even be burned out and give gasification furnace stabilization and continuous production bring
It influences；Meanwhile annular water leg can reduce the whole vertical stress of water-cooling wall, and then further avoid the peace of feeding process burner
Fill precision.
Further, by the cooling water outlet pipe being arranged above water leg, the steam for evaporating generation in water leg is discharged
With the cooling water in water leg, cooling water flow is caused not connect to avoid being formed dry area in the cooling water pipe above water leg
It is continuous, while the cooling water pipe above cooling water outlet pipe and water leg can export the cooling water in water leg simultaneously, increase its heat exchange
Area and heat exchange cooling water inflow i.e. increase its circulating cooling water to reinforce exchanging heat, and then reduce gasification furnace middle and upper part furnace temperature compared with
The temperature of high position.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of gasifier water-cooling wall construction provided by the embodiment of the utility model；
Fig. 2 is the first partial expanded view of gasifier water-cooling wall construction provided by the embodiment of the utility model；
Fig. 3 is the sectional view of gasifier water-cooling wall construction provided by the embodiment of the utility model；
Fig. 4 is the second local expansion figure of gasifier water-cooling wall construction provided by the embodiment of the utility model；
Fig. 5 is the third local expansion figure of gasifier water-cooling wall construction provided by the embodiment of the utility model；
Fig. 6 is the 4th local expansion figure of gasifier water-cooling wall construction provided by the embodiment of the utility model；
Fig. 7 is the sectional schematic diagram of gasifier water-cooling wall construction provided by the embodiment of the utility model.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.It should be noted that in the absence of conflict, the implementation in the utility model
Feature in example and embodiment can be combined with each other.It is below with reference to the accompanying drawings and in conjunction with the embodiments practical new this is described in detail
Type.
It is the structural schematic diagram of gasifier water-cooling wall construction provided by the embodiment of the utility model, gasification furnace referring to Fig. 1
Water wall structure includes cooling water pipe 1, band steel 2, intake annular collet 3 and the annular collet 4 of water outlet；Wherein, cooling water pipe 1 is arranged
It is uniformly arranged in the circumferential direction in gasification furnace shell 5 along gasification furnace shell 5, is connected between each cooling water pipe 1 by band steel 2, used
In the stability for ensuring cooling water pipe 1.The annular collet 4 of annular collet 3 and water outlet of intaking is respectively arranged at the lower part of cooling water pipe 1
And top, and the two is connected with each cooling water pipe 1, cooling water is conveyed by the input of water inlet 6 by annular collet 3 of intaking
To each cooling water pipe 1, until being discharged the annular aggregation of collet 4 and being exported by water outlet 7, to exchange heat with gasification furnace.
Water inlet 6 and water outlet 7 can determine opening number according to water-cooling wall actual size size, meet gasification furnace to ensure to pass in and out water
Heat exchange demand.The medium that water outlet 7 exports can be made by the way that isolated cooling water is delivered to water inlet circulation after gas-liquid separation
With.
The middle and upper part of water-cooling wall is provided at least two burner holes 8 along the circumferential direction of water-cooling wall, so that installation feeding process is burnt
Mouth, and then the production capacity of the gasification furnace is improved, while expanding the applicable model of coal of the scope of application and more nozzle structures of the gasification furnace
It encloses；Preferably, each burner hole 8 is uniformly arranged along the circumferential direction of water-cooling wall.The present embodiment is illustrated by taking four burner holes 8 as an example.
Water leg is equipped at burner hole 8, for storing cooling water or Cooling Water circulation to cool down to feeding process burner, in turn
Cool down to feeding process burner, avoid feeding process burner overheat or even is burned out and the stabilization to gasification furnace and continuous
Producing bring influences.
Referring to fig. 2, one that the gasifier water-cooling wall construction provided in the utility model embodiment is shown in figure is preferred
Structure.As shown, being equipped with one and burner hole 8 one at each burner hole 8 in the first embodiment of the utility model
One corresponding mutually independent independent water leg 9, i.e., there are four independent water legs 9 for setting on the gasifier water-cooling wall, with former
Mutually indepedent between two independent water legs 9 of meaning, several corresponding cooling water pipes 1 of each independent water leg 9 are connected, i.e.,
Independent water leg 9 at burner hole 8 outputs and inputs cooling water by several cooling water pipes 1 of corresponding position respectively, so that
It outputs and inputs with obtaining the continuous cooling water in independent water leg 9, so that the cooling water inflow abundance of each independent water leg 9,
Continuously, so as to be effectively protected feeding process burner not by gasification furnace high-temperature gas heat etching.Cooling water passes through independent water
The cooling water pipe 1 of 9 lower section of collet, which flows in independent water leg 9, cools down feeding process burner, then presss from both sides through independent water
The cooling water pipe 1 of 9 top of set flows to the annular collet 4 of water outlet, most flows to gas-liquid separator through water outlet 7 afterwards and carries out gas to it
Liquid separation.
Referring to Fig. 3, since suspension type tubulation water-cooling wall is under the influence of the gravity of recirculated water and temperature, stress variation also compares
Larger, to prevent influence of its stress variation to process burner installation accuracy, gasification 5 inner wall of furnace shell is equipped with water-cooling wall supporting element
10, water-cooling wall is used to support to reduce the deformation of water-cooling wall.Specifically, water-cooling wall supporting element 10 is set to independent water leg 9
Near, to be effectively reduced influence of the water cooling wall stress to feeding process burner installation accuracy, to guarantee gasification furnace just
It is often used.
Referring to fig. 4, another for showing the gasifier water-cooling wall construction provided in the utility model embodiment in figure is excellent
Select structure.As shown, in second of embodiment of the utility model, due to avoid the variation of water-cooling wall vertical stress compared with
Greatly, stress variation causes more greatly the resistance of cooling water in water-cooling wall collet larger at burner hole 8, in order to reduce or avoid above-mentioned reality
Potential danger brought by this structure in mode is applied, water leg is annular water leg 11, i.e. four burner holes 8 are all set in this
In annular water leg 11, and annular water leg 11 is connected with each cooling water pipe 1 of water-cooling wall, is used for so that annular water leg
Cooling water flow in 11 is uniform and stable, and each burner hole 8 is all set in annular water leg 11 to each feeding process
Burner is cooled down, so ensure the temperature field around burner hole and feeding process burner within scope of design, while annular
Water leg can also reduce the whole vertical stress of water-cooling wall, and then further avoid the installation accuracy of feeding process burner.It is cold
But water passes through flows in annular water leg 11 in each cooling water pipe 1 below annular water leg 11, to annular water leg 11
Four interior feeding process burners are cooled down, and the cooling water pipe 1 then through annular 11 top of water leg flows to water outlet annular
Collet 4 most flows to gas-liquid separator through water outlet 7 afterwards and carries out gas-liquid separation to it.
With continued reference to Fig. 4, the two sides in burner hole 8 are provided with vortex broken device in annular water leg 11, for preventing annular water
Cooling water in collet 11 generates vortex, shape in the annular water leg to prevent 8 top of burner hole above annular water leg 11
Cause cooling water inflow insufficient at vortex or form dry area, so as to it is quick, uniform, continuously to feeding process burner around
It is cooled down.Specifically, vortex broken device is set to the left and right sides in burner hole 8 (relative to shown in Fig. 3 along the setting of the position A-A
For position).Preferably, vortex broken device is broken whirlpool plate, is arranged with the flow direction of cooling water in annular water leg 11 in angle；Into one
Step preferably, breaks whirlpool plate perpendicular to the flow direction (vertical direction, that is, arrow direction as shown in Figure 4) of cooling water.Certainly, the first
In embodiment, also settable vortex broken device, specific embodiment refer to above-mentioned annular water leg 11 for the two sides of independent water leg 9
The embodiment of middle vortex broken device.
Referring to Fig. 5, isolation structure 12 is equipped in annular water leg 11, for will be partitioned into annular water leg 11 and burner
The one-to-one independent cooling space 13 between each other in hole 8；Each cooling space 13 is connected with annular water leg 11, i.e., every
From perforating is offered in structure 12, to make the flow of cooling water of annular water leg 11 to the 13 pairs of coolings of each cooling space
Feeding process burner in space 13 is cooled down, which may make the constant of cooling water inflow around each process burner, so as to
To each burner hole Final 8 system exchange heat, the stabilization of feeding process burner ambient temperature is ensured with this, so avoid one of them or it is more
Cooling water around a burner hole 8 does not flow, its heat transfer effect difference overheat is caused even to be burned out.
Referring to Fig. 6 and Fig. 7, the top of for example annular water leg 11 in the top of water leg is additionally provided with cooling water outlet pipe 14, uses
Cooling water in the steam and water leg for evaporating generation in discharge water leg, to avoid the cooling water pipe 1 above water leg
The interior dry area of formation causes cooling water flow discontinuous, while cooling water outlet pipe 14 also can be same with the cooling water pipe 1 above water leg
When output water leg in cooling water, increase its heat exchange area and heat exchange cooling water inflow increase its circulating cooling water to reinforce
Heat exchange, and then reduce the temperature of the higher position of furnace temperature of gasification furnace middle and upper part.Cooling water outlet pipe 14 may be disposed at annular water folder
The top of set 11, naturally it is also possible to the top of independent water leg 9 in first embodiment is set to, with annular water in Fig. 6 and Fig. 7
Be illustrated for collet 11, the cooling water pipe 1 of cooling water from annular 11 lower section of water leg be input in annular water leg 11 with
Feeding process burner can generate fraction steam when being exchanged heat, therefore the medium state in cooling water pipe 1 is gas-vapor mix, cold
But water has gas evolution in water leg.
With continued reference to Fig. 7, the cooling water pipe 1 above water leg is connected with the roof of water leg, and cooling water outlet pipe 14
Input terminal (lower end as shown in Figure 7) be inserted in water leg, for so that the input terminal pressure difference of cooling water outlet pipe 14 is less than
The pressure difference of 1 input terminal of cooling water pipe (lower end as shown in Figure 7) above water leg, and then ensure water-cooling wall in heat transfer process
The fraction steam that can be generated is flowed under the action of pressure difference in cooling water outlet pipe 14.It is further preferred that cooling water outlet pipe
14 input terminal is inserted in the middle position of water leg.To avoid the water cause of cooling in the cooling water pipe 1 above water leg
It is allowed to cool that water flow is discontinuous, the cooling water pipe 1 above water leg is set to the back-fire side (right side as shown in Figure 7 of water-cooling wall
Side), and cooling water outlet pipe 14 be set to water-cooling wall to fiery side (left side as shown in Figure 7).
In second of embodiment of the utility model, gasification 5 inner wall of furnace shell can also be equipped with water-cooling wall supporting element 10,
Its specific embodiment can refer in the first embodiment in i.e. independent 9 embodiment of water leg, and details are not described herein again.
To sum up, gasifier water-cooling wall construction provided in this embodiment passes through the week in the middle and upper part of water-cooling wall along water-cooling wall
To at least two burner holes 8 of setting, so that installation feeds process burner；By water leg for storing cooling water or for cooling
Water flow, which passes to, cools down feeding process burner, and then cools down to feeding process burner, avoids feeding process burner
Overheat is even burned out and stabilization and continuous production bring to gasification furnace influence, and realizes more burner water-cooling wall knots with this
Structure is widely used on more burner gasification furnaces, increases the range of choice of gasification inner lining of furnace, while improving the production of gasification furnace
Can, to expand the scope of application of gasification furnace and the coal scope of application of more nozzle structures, it is of course possible to be suitable for more burner water coals
The gasification furnace that slurry gasification furnace and more burner water-coal-slurry are coupled with fine coal.
Especially, by the setting of annular water leg 11, cause to answer at burner hole 8 to avoid the variation of water-cooling wall vertical stress
Power variation, and then the resistance of flow of cooling water in water-cooling wall collet is avoided, so that the cooling water flow in annular water leg 11
It is uniform and stable, thus avoid feeding process burner hot-spot from being even burned out and to the stabilization and continuous production band of gasification furnace
The influence come；Meanwhile annular water leg 11 can reduce the whole vertical stress of water-cooling wall, and then further avoid feeding process burning
The installation accuracy of mouth.
Further, by the cooling water outlet pipe 14 being arranged above water leg, the steaming for evaporating generation in water leg is discharged
Cooling water in vapour and water leg causes cooling water flow not to avoid being formed dry area in the cooling water pipe 1 above water leg
Continuously, while the cooling water pipe 1 above cooling water outlet pipe 14 and water leg can export the cooling water in water leg simultaneously, increase it
Heat exchange area and heat exchange cooling water inflow increase its circulating cooling water to reinforce exchanging heat, and then reduce the furnace of gasification furnace middle and upper part
The temperature of the higher position of temperature.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of gasifier water-cooling wall construction, which is characterized in that
The middle and upper part of the water-cooling wall is provided at least two burner holes (8) along its circumferential direction, for installing charging process burner；
Water leg is equipped at the burner hole (8), for storing cooling water or Cooling Water circulation to burn to the feeding process
Mouth is cooled down.
2. gasifier water-cooling wall construction according to claim 1, which is characterized in that
The water leg is annular water leg (11), and is connected with each cooling water pipe (1) of the water-cooling wall, be used for so that
Cooling water flow in the annular water leg (11) is uniform and stable to cool down to each feeding process burner.
3. gasifier water-cooling wall construction according to claim 2, which is characterized in that
The two sides of the burner hole (8) are provided with vortex broken device in the annular water leg (11), for preventing the annular water
Cooling water in collet (11) generates vortex above the annular water leg (11).
4. gasifier water-cooling wall construction according to claim 3, which is characterized in that
The vortex broken device is broken whirlpool plate, is arranged with the flow direction of described annular water leg (11) interior cooling water in angle.
5. gasifier water-cooling wall construction according to claim 2, which is characterized in that
Isolation structure (12) are equipped in annular water leg (11), for that will be partitioned into the annular water leg (11) and institute
State the one-to-one independent cooling space (13) between each other in burner hole (8)；
Each cooling space (13) is connected with the annular water leg (11), cold around each process burner for making
But water is constant.
6. gasifier water-cooling wall construction according to claim 1, which is characterized in that
Mutually independent independent water leg (9), and the cooling of the corresponding water-cooling wall are equipped at each burner hole (8)
Water pipe (1) is connected, for outputting and inputting the continuous cooling water in the independent water leg (9).
7. gasifier water-cooling wall construction according to any one of claims 1 to 6, which is characterized in that
Cooling water outlet pipe (14) are additionally provided with above the water leg, for be discharged evaporated in the water leg generation steam and
Cooling water in the water leg.
8. gasifier water-cooling wall construction according to claim 7, which is characterized in that
Cooling water pipe (1) above the water leg is connected with the roof of the water leg, and the cooling water outlet pipe (14)
Input terminal be inserted in the water leg, be used for so that the cooling water outlet pipe (14) input terminal pressure difference be less than the water folder
Cover the pressure difference of cooling water pipe (1) input terminal of top.
9. gasifier water-cooling wall construction according to claim 8, which is characterized in that
Cooling water pipe (1) above the water leg is set to the back-fire side of the water-cooling wall, and the cooling water outlet pipe (14)
Be set to the water-cooling wall to fiery side.
10. gasifier water-cooling wall construction according to any one of claims 1 to 6, which is characterized in that
Gasification furnace shell (5) inner wall of the gasification furnace is equipped with water-cooling wall supporting element (10), is used to support the water-cooling wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820658243.8U CN208362267U (en) | 2018-05-04 | 2018-05-04 | Gasifier water-cooling wall construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820658243.8U CN208362267U (en) | 2018-05-04 | 2018-05-04 | Gasifier water-cooling wall construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208362267U true CN208362267U (en) | 2019-01-11 |
Family
ID=64933769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820658243.8U Active CN208362267U (en) | 2018-05-04 | 2018-05-04 | Gasifier water-cooling wall construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208362267U (en) |
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2018
- 2018-05-04 CN CN201820658243.8U patent/CN208362267U/en active Active
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