CN206768043U - A kind of vaporizer with roll-type fire grate - Google Patents
A kind of vaporizer with roll-type fire grate Download PDFInfo
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- CN206768043U CN206768043U CN201720544899.2U CN201720544899U CN206768043U CN 206768043 U CN206768043 U CN 206768043U CN 201720544899 U CN201720544899 U CN 201720544899U CN 206768043 U CN206768043 U CN 206768043U
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- fire grate
- gasification
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- vaporizer
- roll
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Abstract
A kind of vaporizer with roll-type fire grate, including housing, the charging aperture for being arranged on housing upper end, gasification fire grate, the outlet of gasification gas and the bottom fire grate for being arranged on housing bottom, in addition to inspection door and gasification cloth wind system.Housing middle and lower part sets gradually inspection door, gasification cloth wind system, the outlet of gasification fire grate gentleization gas from top to bottom, gasification gas export be arranged on on the housing of inspection door opposite side.The fire grate that gasifies includes fixed central shaft and the fire grate cylinder around central shaft rotation, and air-cooled or cooling by water is used inside central shaft.Fire grate tube outer surface is dentation.The utility model has the advantages that disturbance is strong, bulky grain solid fuel gasification effect is good, is not easy coking.
Description
Technical field
The utility model relates to a kind of equipment for gasification, more particularly to a kind of vaporizer with roll-type fire grate.
Background technology
Small-sized chain furnace or reciprocal push away raise stove operationally, and the coal that coal bunker is added from charging aperture is moved into stove with fire grate
Thorax burns, and easily causes coal seam combustion incomplete, ash content carbon height.If the calorific value of coal is low, easily there is circuit fire phenomenon；If coal
Volatile matter it is high, then the fuel gas that largely evaporates is uncombusted just to be discharged, and is polluted.
With attention of the public to air environmental pollution, the pollution of coal-fired Industrial Boiler, arcola also faces severeer
Improvement or close down pressure, therefore cleaning coal utilization technology is more and more paid attention to.Raw coal gasifies before entering hearth combustion
Pre-burning is also a kind of mode of coal clean utilization.
Coal gasification can provide the combustible gas of cleaning as fuel or raw material, often be considered as the important of coal clean utilization
Mode.Currently used gasification furnace form has fixed bed, fluid bed and air flow bed.Moving bed tends to belong to one kind of fixed bed.
And conventional gasification furnace requires to characteristics such as the ash fusion point of coal, moisture, granularities；Typically need standby heat source；Slightly
It is high containing tar, benzene and phenol etc., waste gas, cost for wastewater treatment in coal gas；Potential safety hazard be present in the process for producing coal gas.
Utility model content
The utility model is directed to above-mentioned the deficiencies in the prior art, there is provided a kind of vaporizer with roll-type fire grate and gasification side
Method.
The utility model is achieved by the following technical solution：
A kind of vaporizer with roll-type fire grate, including housing, the charging aperture for being arranged on housing upper end, gasification fire grate, gasification
Gas exports and is arranged on the bottom fire grate of housing bottom；The housing central section is also disposed with inspection door and gasification from top to bottom
Cloth wind system；The gasification furnace row is arranged in below gasification cloth wind system；The gasification gas outlet is arranged in below gasification fire grate,
Be arranged on on the housing of inspection door opposite side；The gasification fire grate includes fixed central shaft and around central shaft rotation
Fire grate cylinder.
Another technical solution is a kind of vaporizer with roll-type fire grate, including housing, the charging for being arranged on housing upper end
Mouth, the outlet of gasification fire grate gentleization gas；The housing central section is also disposed with inspection door and gasification cloth wind system from top to bottom；
The gasification furnace row is arranged in below gasification cloth wind system；It is described gasification gas outlet is arranged in gasification fire grate below, be arranged on
On the housing of inspection door opposite side；The gasification fire grate includes fixed central shaft and the fire grate cylinder around central shaft rotation；
For the housing bottom to be obliquely installed, housing bottom lowest part sets slag notch.
In above-mentioned technical proposal, the central shaft both ends are fixed on housing, and air-cooled or water cooling is used inside central shaft
Mode cool down.Fire grate tube outer surface is dentation, and the high δ of tooth is 5 ~ 10mm.
In above-mentioned technical proposal, the gasification furnace comes housing sustained height and arranges more than 2, two neighboring gasification fire grate
Between minimum spacing L be 0.1 ~ 1 times of fire grate cylinder outline diameter d.
In above-mentioned technical proposal, gasification cloth wind system sets N number of wind distributing hole, N >=1 in housing.
Compared with prior art, the beneficial effects of the utility model are：The setting of gasification fire grate so that gasification has
Disturbance is strong, bulky grain solid fuel gasification effect is good, is not easy the advantages that coking；And vaporizer improves follow-up as precombustion chamber
The fuel tolerance of burner, reduce and polluted caused by fume emission.
Brief description of the drawings
Fig. 1 is a kind of vaporizer schematic diagram with roll-type fire grate involved by the utility model.
Fig. 2 is a kind of vaporizer another technical solution schematic diagram with roll-type fire grate involved by the utility model.
Fig. 3 is a kind of gasification fire grate central shaft schematic diagram of vaporizer with roll-type fire grate involved by the utility model.
Fig. 4 is a kind of gasification fire grate structural representation of vaporizer with roll-type fire grate involved by the utility model.
In figure：1- housings；2- charging apertures；3- gasification fire grates；4- central shafts；5- gasification cloth wind systems；6- is checked
Door；The outlet of 7- gasification gas；8- bottom fire grates；9- fire grate cylinders；10- wind distributing holes；11- slag notches.
Embodiment
Concrete structure of the present utility model, operation method and implementation are carried out with embodiment below in conjunction with the accompanying drawings detailed
Discuss.
A kind of technical scheme as shown in Figure 1, vaporizer described in the utility model include housing 1, are arranged on the upper end of housing 1
Charging aperture 2, gasification fire grate 3, gasification gas outlet 7 and be arranged on the bottom fire grate 8 of the bottom of housing 1；From upper in the middle part of the housing 1
Inspection door 6 and gasification cloth wind system 5 are also disposed with to lower.
Fig. 2 is another technical solution of the present utility model, and in the technical scheme, vaporizer described in the utility model includes
Housing 1, the charging aperture 2 for being arranged on the upper end of housing 1, gasification fire grate 3 and gasification gas outlet 7；The middle part of housing 1 is gone back from top to bottom
It is disposed with inspection door 6 and gasification cloth wind system 5；For the bottom of housing 1 to be obliquely installed, housing bottom lowest part sets slag notch
11。
The cloth wind system 5 that gasifies is airduct or bellows structure in housing 1, sets N number of wind distributing hole 10, N >=1 above.Air,
Steam etc. gasifies gas from the feeding housing of wind distributing hole 10, carries out gasification reaction with solid fuel, while play intensified ventilation.
Inspection door 6 is arranged in the top of gasification cloth wind system 5, is easy to observe gasification situation and the inspection of scarfing cinder coke cleaning in vaporizer
Repair.
The gasification fire grate 3 is arranged in the lower section of gasification cloth wind system 5；Gasification fire grate 3 is roll-type fire grate, including it is fixed in
Mandrel 4 and the fire grate cylinder 9 rotated around central shaft 4.As shown in figure 3, the central shaft both ends are fixed on housing.It is solid to prevent
The fluid fuel high temperature to be formed that gasifies causes deformed damaged to gasification fire grate, and the inside of central shaft 4 is by the way of air-cooled or water cooling
Cooling.
The outer surface of fire grate cylinder 9 as shown in Figure 4 is dentation, and the high δ of tooth is 5 ~ 10mm.In order to prevent thermal stress from damaging, fixed
There is certain gap between central shaft 4 and the fire grate cylinder 9 rotated around central shaft 4.
Between minimum of the gasification fire grate 3 between the sustained height of housing 1 arrangement more than 2, two neighboring gasification fire grate 3
Outline diameter d, i.e. L=(0.1 ~ 1) d away from the fire grate cylinder 9 that L is 0.1 ~ 1 times.
The gasification gas outlet 7 is arranged in gasification fire grate 3 lower section, be arranged on on the housing 1 of the opposite side of inspection door 6.
When the bottom of housing 1 sets bottom fire grate 8, vaporizer described in the utility model is caused carbon residue, residual as precombustion chamber
Slag and gasification gas burn away.Vaporizer can be with intermittent duty or continuous operation, therefore sets bottom fire grate using the bottom of housing 1
The intermittent duty method of 8 vaporizer includes：
Charging of the solid fuels such as 10 ~ 50mm of section diameter moulded coal or lump coal or other shaped fuels from the upper end of housing 1
Mouth 2 enters gasification room housing 1, rests on gasification fire grate 3；
The solid fuels such as above-mentioned moulded coal or lump coal or other shaped fuels are lighted, make 550 DEG C of 1 Nei Wenduda of gasification room housing
More than, then proceed to add solid fuel from charging aperture 2, be full of to space in the upper shell 1 of fire grate 3 that gasifies；
Gasification gas is sent into housing 1 by gasification cloth wind system 5 through wind distributing hole 10, solid fuel is gradually gasified；Solid fuel
In gasification, the fuel situation of housing 1 is observed by inspection door 6, solid fuel is intermittently added from charging aperture 2；
The fire grate cylinder 9 for the gasification fire grate 3 being fixed on by central shaft 4 on housing 1 continues during solid fuel gasification
Rotated around central shaft 4 so that caused residue, carbon residue fall in time under the disturbance of gasification fire grate 3 during solid fuel gasification
Fall the lower section of housing 1；Carbon residue further gasifies in dropping process；
Residue, carbon residue after gasification, which are dropped in the bottom fire grate 8 of the bottom of housing 1, to burn, and bottom fire grate 8 is used as rear afterflame
A part for device is burnt, while residue, carbon residue are sent into follow-up burner and burnt；Gasification gas caused by solid fuel gasification
Also enter follow-up burner by the gasification gas outlet 7 of the lower end of housing 1 to burn.
In said process, the outline for the fire grate cylinder 9 that the minimum spacing between two neighboring gasification fire grate 3 is 0.1 ~ 1 times
Diameter, and the minimum spacing is more than or equal to solid fuel diameter, fraction solids fuel falls directly into the gasification underlying space gas of fire grate 3
Change, burning.
The continuous operation method of the vaporizer of bottom fire grate 8 is set using the bottom of housing 1 to be included：
Charging of the solid fuels such as 10 ~ 50mm of section diameter moulded coal or lump coal or other shaped fuels from the upper end of housing 1
Mouth 2 enters gasification room housing 1, rests on gasification fire grate 3；
The solid fuels such as above-mentioned moulded coal or lump coal or other shaped fuels are lighted, make 550 DEG C of 1 Nei Wenduda of gasification room housing
More than, then proceed to add solid fuel from charging aperture 2, be partly full of to space in the upper shell 1 of fire grate 3 that gasifies；
Gasification gas is sent into housing 1 by gasification cloth wind system 5 through wind distributing hole 10, solid fuel is gradually gasified；Solid fuel
In gasification, solid fuel is continuously added to from charging aperture 2；
The fire grate cylinder 9 for the gasification fire grate 3 being fixed on by central shaft 4 on housing 1 continues during solid fuel gasification
Rotated around central shaft 4 so that caused residue, carbon residue fall in time under the disturbance of gasification fire grate 3 during solid fuel gasification
Fall the lower section of housing 1；Carbon residue further gasifies in dropping process；
Residue, carbon residue after gasification, which are dropped in the bottom fire grate 8 of the bottom of housing 1, to burn, and bottom fire grate 8 is used as rear afterflame
A part for device is burnt, while residue, carbon residue are sent into follow-up burner and burnt；Gasification gas caused by solid fuel gasification
Also enter follow-up burner by the gasification gas outlet 7 of the lower end of housing 1 to burn.
In said process, the outline for the fire grate cylinder 9 that the minimum spacing between two neighboring gasification fire grate 3 is 0.1 ~ 1 times
Diameter, and the minimum spacing is more than or equal to solid fuel diameter, fraction solids fuel falls directly into the gasification underlying space gas of fire grate 3
Change, burning.
When the bottom of housing 1 for when being obliquely installed, vaporizer described in the utility model is as independent gasification installation, gasification side
Method includes：
10 ~ 50mm of section diameter solid fuel enters gasification room housing 1 from the charging aperture 2 of the upper end of housing 1, rests on gas
Change on fire grate 3；
Above-mentioned solid fuel is lighted, makes more than 550 DEG C of 1 Nei Wenduda of gasification room housing, then proceedes to add from charging aperture 2
Moulded coal, it is full of to space in the upper shell 1 of fire grate 3 that gasifies（Intermittent duty）Or partly it is full of（Continuous operation）；
Gasification gas is sent into housing 1 by gasification cloth wind system 5 through wind distributing hole 10, solid fuel is gradually gasified；Solid fuel
In gasification, solid fuel is intermittently or serially added from charging aperture 2；
The fire grate cylinder 9 for the gasification fire grate 3 being fixed on by central shaft 4 on housing 1 continues during solid fuel gasification
Rotated around central shaft 4 so that caused residue, carbon residue fall in time under the disturbance of gasification fire grate 3 during solid fuel gasification
Fall the lower section of housing 1；Carbon residue further gasifies in dropping process；
Residue, carbon residue after gasification drop to the bottom of housing 1, are discharged along the bottom lowest part slag notch 11 being obliquely installed
Housing；Gasification gas caused by solid fuel gasification enters subsequent purification collection device by the gasification gas outlet 7 of the lower end of housing 1.
Claims (7)
- A kind of 1. vaporizer with roll-type fire grate, it is characterised in that：The vaporizer includes housing（1）, be arranged on housing（1）On The charging aperture at end（2）, gasification fire grate（3）With the outlet of gasification gas（7）；The housing（1）Middle part is also disposed with from top to bottom Inspection door（6）With gasification cloth wind system（5）；The gasification fire grate（3）It is arranged in gasification cloth wind system（5）Lower section；The gasification Gas exports（7）It is arranged in gasification fire grate（3）Lower section, is arranged on and inspection door（6）The housing of opposite side（1）On；The gasification Fire grate（3）Including fixed central shaft（4）With around central shaft（4）The fire grate cylinder of rotation（9）.
- A kind of 2. vaporizer with roll-type fire grate according to claim 1, it is characterised in that：The gasification fire grate（3）'s Central shaft（4）Inside is cooled down by the way of air-cooled or water cooling.
- A kind of 3. vaporizer with roll-type fire grate according to claim 1, it is characterised in that：The gasification fire grate（3）'s Fire grate cylinder（9）Outer surface is dentation, and the high δ of tooth is 5 ~ 10mm.
- A kind of 4. vaporizer with roll-type fire grate according to claim 1 or 2 or 3, it is characterised in that：The gasification fire grate （3）In housing（1）Sustained height arranges more than 2, two neighboring gasification fire grate（3）Between minimum spacing L be fire grate cylinder（9） 0.1 ~ 1 times of outline diameter d.
- A kind of 5. vaporizer with roll-type fire grate according to claim 1, it is characterised in that：The gasification cloth wind system （5）In housing（1）It is interior that N number of wind distributing hole is set（10）, N >=1.
- A kind of 6. vaporizer with roll-type fire grate according to claim 1, it is characterised in that：The vaporizer also includes setting Put in housing（1）The bottom fire grate of bottom（8）.
- A kind of 7. vaporizer with roll-type fire grate according to claim 1, it is characterised in that：The housing of the vaporizer （1）To be obliquely installed, housing bottom lowest part sets slag notch for bottom（11）.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017201207874 | 2017-02-09 | ||
| CN201720120787 | 2017-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206768043U true CN206768043U (en) | 2017-12-19 |
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ID=60640481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720544899.2U Active CN206768043U (en) | 2017-02-09 | 2017-05-17 | A kind of vaporizer with roll-type fire grate |
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| Country | Link |
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| CN (1) | CN206768043U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107043640A (en) * | 2017-05-17 | 2017-08-15 | 北京四维天拓技术有限公司 | A kind of vaporizer and gasification process with roll-type fire grate |
| CN112480969A (en) * | 2020-11-12 | 2021-03-12 | 新奥科技发展有限公司 | Fluidized bed gasification furnace and gasification process |
-
2017
- 2017-05-17 CN CN201720544899.2U patent/CN206768043U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107043640A (en) * | 2017-05-17 | 2017-08-15 | 北京四维天拓技术有限公司 | A kind of vaporizer and gasification process with roll-type fire grate |
| CN107043640B (en) * | 2017-05-17 | 2023-08-04 | 北京四维天拓技术有限公司 | Gasification chamber with roller grate and gasification method |
| CN112480969A (en) * | 2020-11-12 | 2021-03-12 | 新奥科技发展有限公司 | Fluidized bed gasification furnace and gasification process |
| CN112480969B (en) * | 2020-11-12 | 2022-06-10 | 新奥科技发展有限公司 | Fluidized bed gasification furnace and gasification process |
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