CN201873642U - Gas distribution device of coal dry distillation furnace - Google Patents
Gas distribution device of coal dry distillation furnace Download PDFInfo
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- CN201873642U CN201873642U CN 201020616416 CN201020616416U CN201873642U CN 201873642 U CN201873642 U CN 201873642U CN 201020616416 CN201020616416 CN 201020616416 CN 201020616416 U CN201020616416 U CN 201020616416U CN 201873642 U CN201873642 U CN 201873642U
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Abstract
The utility model relates to a gas distribution device of a coal dry distillation furnace, which comprises at least one horizontally arranged gas distribution pipe; the two side walls of the gas distribution pipe are respectively provided with a plurality of gas distribution holes; and the gas distribution holes close to a gas inlet end of the gas distribution pipe are smaller. In order to improve the gas distribution uniformity, the gas distribution holes of the gas distribution device of the coal dry distillation furnace are arranged in a way of being gradually enlarged from the gas inlet end to the tail end.
Description
Technical field
The utility model relates to a kind of dry distillation of coal device, relates in particular to a kind of distribution device of coal carbonization furnace.
Background technology
Destructive distillation is the reaction process of solid or organism thermal degradation under the secluding air condition.Pyrogenous result generates all gases, steam and solid residue.The mixture of gas and steam is divided into gas and liquid after cooling.Destructive distillation is human a kind of production process of being familiar with and adopting very early, as destructive distillation timber system charcoal, obtains another name for (methyl alcohol), wood vinegar etc. simultaneously.In the chemical process of coal, destructive distillation is an important method always.Coal is through after the destructive distillation, and the composition of raw material and state of aggregation all will change, and solid-state in the product, gaseous state and fluent meterial have, and can obtain semicoke, coal tar, virgin ammonia liquor and coke(oven)gas.In general, hydrogenous coal is meant the raw coal of water content more than 15%, and low-temperature pyrolysis is meant that pyrolysis temperature is controlled at the method for destructive distillation that is about about 450-500 ℃.
It is the industrial typical method that has adopted that Lu Qi-Si Pierre is covered this low-temperature pyrolysis method, and this method adopts gaseous heat-carrier internal heat type vertical continuous stove, and this lurgi gasifier is commonly called as three sections stoves in China, promptly comprises dryer section, retort section and cooling section three parts from top to down.Brown coal or by the coal cinder of brown coal compression moulding (particle diameter from top to bottom moves about 25～60mm), directly contacts with the burning gas adverse current and is heated.The water content of furnace roof raw material is higher, removes most of moisture in dryer section, and upstream about 250 ℃ of hot gass are chilled to 80～100 ℃.Dry back raw material is heated to about 450-500 ℃ in retort section by 600～700 ℃ of oxygen-free burning gas, and thermolysis takes place; Hot gas is chilled to about 250 ℃, and the semicoke of generation enters cooling section and cooled off by cold air.Semicoke is discharged back further water and air cooling.The volatile matter of overflowing from retort section passes through steps such as condensation, cooling, obtains tar and pyrolysis water.
The problem that above-mentioned coal carbonization furnace commonly used at present all exists is, distribution device at present traditional coal seam adopts refractory brick to build by laying bricks or stones mostly and forms, occupied than large space but also occur the phenomenon of collapsing easily, to cause gas distribution be not very even to the yet equal size of qi-emitting hole in addition.Thereby caused the gas flow of qi-emitting hole of close inlet end big, and little away from the gas flow of the qi-emitting hole of inlet end, promptly caused the gas distribution in the coal seam inhomogeneous.Thereby caused the coal seam temperature of close inlet end higher, and lower away from the coal seam temperature of inlet end, be unfavorable for controlling the temperature control and the extent of reaction control of drying and/or destructive distillation processing coal cinder.
Summary of the invention
For this reason, technical problem to be solved in the utility model is the technical problem of the distribution device gas distribution inequality in the existing coal carbonization furnace, proposes the distribution device of the uniform coal carbonization furnace of a kind of gas distribution.
For solving the problems of the technologies described above, the distribution device of a kind of coal carbonization furnace of the present utility model, comprise: at least one, horizontally disposed gas distribution pipe, be respectively arranged with a plurality of qi-emitting holes on two sidewalls of this gas distribution pipe, the described qi-emitting hole of the inlet end of close described gas distribution pipe is less.
In technique scheme, described gas distribution pipe the left and right two ends with the vertical vertical section of length direction be vertical shape.
In technique scheme, the center of a plurality of described qi-emitting holes is along the straight line setting.
In technique scheme, the upper end of a plurality of described qi-emitting holes point-blank.
In technique scheme, a plurality of described qi-emitting holes are rectangle.
In technique scheme, described qi-emitting hole is provided with a row at least.
In technique scheme, described qi-emitting hole is provided with two rows.
Technique scheme of the present utility model has the following advantages compared to existing technology:
The distribution device of coal carbonization furnace of the present utility model, in order to improve the gas distribution homogeneity, the qi-emitting hole employing is arranged from the mode that the inlet end terminad increases gradually.
In addition, the distribution device of coal carbonization furnace of the present utility model adopts 304 steel directly to be welded, and construction volume and cycle reduce greatly, has also reduced weight and space simultaneously and has increased the internal gas circulation area, and prevented the phenomenon of collapsing.
In addition, it still is many rows that air inlet port row number can be determined single according to practical situation, to satisfy the needs of gas distribution.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail below, wherein:
Fig. 1 is the main TV structure synoptic diagram of a kind of embodiment of distribution device of coal carbonization furnace of the present utility model;
Fig. 2 is the side-looking structural representation of embodiment shown in Figure 1;
Reference numeral is expressed as: 1-gas distribution pipe, 2-inlet end, 3-qi-emitting hole.
Embodiment
Fig. 1 and 2 has shown a kind of concrete embodiment of the distribution device of coal carbonization furnace of the present utility model,
The distribution device of a kind of coal carbonization furnace of the present utility model comprises: at least one, horizontally disposed gas distribution pipe 1, be respectively arranged with a plurality of qi-emitting holes 3 on two sidewalls of this gas distribution pipe 1, and the described qi-emitting hole 3 of the inlet end 2 of close described gas distribution pipe 1 is less.Described gas distribution pipe 1 the left and right two ends with the vertical vertical section of length direction be vertical shape.The center of a plurality of described qi-emitting holes 3 is along the straight line setting.The upper end of a plurality of described qi-emitting holes 3 point-blank.A plurality of described qi-emitting holes 3 are rectangle.
Used the external combustion internally heated coal carbonization furnace of present embodiment distribution device, it is followed successively by from top to bottom: preheating section, dryer section, retort section and cooling section.Described preheating section is arranged on described dryer section top, is communicated with described dryer section, is used for feed coal is carried out thermal pretreatment; Described dryer section is used for feed coal is carried out drying treatment, and obtains cold flue gas simultaneously; Described retort section is used for that the feed coal through drying treatment is carried out destructive distillation and handles, and feed coal is handled the back through destructive distillation and formed semicoke; Described cooling section is to come the semicoke of output is wherein carried out cooling process by feeding described cold flue gas, and obtains hot flue gas simultaneously.Described coal carbonization furnace also is provided with described cold flue gas conducting that described dryer section the is produced cold flue gas pipeline to described cooling section, and the described hot flue gas conducting that described cooling section is produced is to the exhaust pipe of described preheating section.The recirculation blower that is connected with on the described cold flue gas pipeline, its described cold flue gas that can make the generation in the described dryer section via the conducting of described cold flue gas pipeline to described cooling section, afterwards again via described exhaust pipe conducting to described preheating section.Described cold flue gas pipeline is connected with the emptying passage with the unwanted unnecessary described cold flue gas emptying of described cooling section.In the raw gas exit of described retort section also is connected with described retort section, feed coal is carried out producing when destructive distillation is handled the after-treatment system that raw gas removes coal tar.Between the exhanst gas outlet of described after-treatment system and described dryer section, also be connected with the drying and burning device, between the exhanst gas outlet of described cold flue gas pipeline and described drying and burning device, also be connected drying duct.Described drying and burning device burns the part coal gas that produces in the described after-treatment system, be used for the dry flue gas of the drying treatment of described dryer section with generation, and described drying duct can mix the part cold flue gas that produces in the described dryer section to regulate the temperature of drying treatment in the described dryer section with described dry flue gas.In addition, between the exhanst gas outlet of described after-treatment system and described retort section, also be connected with the destructive distillation burner, between the exhanst gas outlet of the exhanst gas outlet of described after-treatment system and described destructive distillation burner, also be connected with the destructive distillation pipeline.Described destructive distillation burner can burn the part coal gas that produces in the described after-treatment system, be used for the destructive distillation flue gas that the destructive distillation of described retort section is handled with generation, and described destructive distillation pipeline can mix the part coal gas that produces in the described after-treatment system to regulate the temperature of the destructive distillation processing in the described retort section with described destructive distillation flue gas mutually.The smoke inlet place of described drying and burning device and described destructive distillation burner also is connected with the combustion air blower fan that combustion air is provided respectively in described drying and burning device and described destructive distillation burner.
The working process of the distribution device of coal carbonization furnace of the present utility model is: thermal barrier is by the indicated position of the arrow among Fig. 1, and promptly inlet end 2, flows into gas distribution pipe 1.Described afterwards thermal barrier flows in described gas distribution pipe 1, and flows out described gas distribution pipe 1 from a plurality of qi-emitting holes 3.Because the air pressure of the thermal barrier of close inlet end 2 is bigger, in order to improve the gas distribution homogeneity, the qi-emitting hole employing is arranged from the mode that the inlet end terminad increases gradually.The distribution device of coal carbonization furnace of the present utility model adopts 304 steel directly to be welded, and construction volume and cycle reduce greatly, has also reduced weight and space simultaneously and has increased the internal gas circulation area, and prevented the phenomenon of collapsing.
In other embodiment, described qi-emitting hole can also be provided with two rows.The setting of qi-emitting hole row number can be determined according to practical situation, to satisfy the needs of gas distribution, repeats no more.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (7)
1. the distribution device of a coal carbonization furnace, it is characterized in that, comprise: at least one, horizontally disposed gas distribution pipe (1), be respectively arranged with a plurality of qi-emitting holes (3) on two sidewalls of this gas distribution pipe (1), the described qi-emitting hole (3) of the inlet end (2) of close described gas distribution pipe (1) is less.
2. distribution device according to claim 1 is characterized in that, described gas distribution pipe (1) the left and right two ends with the vertical vertical section of length direction be vertical shape.
3. distribution device according to claim 1 and 2 is characterized in that, the center of a plurality of described qi-emitting holes (3) is along the straight line setting.
4. distribution device according to claim 1 and 2 is characterized in that, the upper end of a plurality of described qi-emitting holes (3) point-blank.
5. distribution device according to claim 1 and 2 is characterized in that, a plurality of described qi-emitting holes (3) are rectangle.
6. distribution device according to claim 1 and 2 is characterized in that, described qi-emitting hole (3) is provided with a row at least.
7. distribution device according to claim 6 is characterized in that, described qi-emitting hole (3) is provided with two rows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020616416 CN201873642U (en) | 2010-11-18 | 2010-11-18 | Gas distribution device of coal dry distillation furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020616416 CN201873642U (en) | 2010-11-18 | 2010-11-18 | Gas distribution device of coal dry distillation furnace |
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| Publication Number | Publication Date |
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| CN201873642U true CN201873642U (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201020616416 Expired - Fee Related CN201873642U (en) | 2010-11-18 | 2010-11-18 | Gas distribution device of coal dry distillation furnace |
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| CN (1) | CN201873642U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108622558A (en) * | 2018-05-30 | 2018-10-09 | 太重煤机有限公司 | Anti- coal bunker heap device for coal |
| CN110055094A (en) * | 2019-05-20 | 2019-07-26 | 俞伟敏 | A kind of stable carbonization cracker of heat accumulating type |
-
2010
- 2010-11-18 CN CN 201020616416 patent/CN201873642U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108622558A (en) * | 2018-05-30 | 2018-10-09 | 太重煤机有限公司 | Anti- coal bunker heap device for coal |
| CN110055094A (en) * | 2019-05-20 | 2019-07-26 | 俞伟敏 | A kind of stable carbonization cracker of heat accumulating type |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XILINHAOTE GUONENG ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING GUODIAN FUTONG SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20110705 Free format text: FORMER OWNER: XILINHAOTE NATIONAL ENERGY DRYING CO., LTD.;BEIJING GUODIAN FUTONG SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100070 BUILDING 13, AREA 6 OF HEADQUARTER BASE, NO. 188, S. 4TH RING ROAD WEST, FENGTAI DISTRICT, BEIJING TO: 026000 NO. 74, EAST OF XILIN STREET, XILINHOT CITY, INNER MONGOLIA |
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| TR01 | Transfer of patent right |
Effective date of registration: 20110705 Address after: 026000, 74, Xilin Avenue, Inner Mongolia, Xilinhaote Patentee after: Xilinhot National Energy Technology Co., Ltd. Address before: 100070, No. 13, building six, 188, base station, South Fourth Ring Road West, Beijing, Fengtai District Co-patentee before: Xilinhaote National Energy Drying Co., Ltd. Patentee before: Beijing Guodian Futong Science and Technology Development Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20151118 |
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| EXPY | Termination of patent right or utility model |