CN207159142U - Fine coal distillation system - Google Patents
Fine coal distillation system Download PDFInfo
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- CN207159142U CN207159142U CN201720878880.1U CN201720878880U CN207159142U CN 207159142 U CN207159142 U CN 207159142U CN 201720878880 U CN201720878880 U CN 201720878880U CN 207159142 U CN207159142 U CN 207159142U
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- Prior art keywords
- pipe
- drying tube
- outlet
- coal
- destructive distillation
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Abstract
The utility model discloses fine coal distillation system, including horizontally disposed drying tube, the inlet and outlet of drying tube point are communicated with charging aperture and coal breakage storehouse, the entrance of the outlet at bottom connection destructive distillation pipe in coal breakage storehouse, destructive distillation pipe is horizontally disposed and is arranged in below drying tube, and the outlet of destructive distillation pipe is connected with the semicoke output storehouse of bottom opening；Heating pipe is provided with outside the drying tube, heating pipe is looped around outside drying tube, dries the inwall that pipe outer wall is heating pipe；The both ends of heating pipe offer air inlet and gas outlet respectively, heat accumulation type radiant tube is fixed with the outside of destructive distillation pipe, hot raw coke oven gas enters from heating pipe air inlet, enter heat accumulation type radiant tube from gas outlet after heated pipeline, the utility model uses two-piece design, and by setting heating passage to carry out warming temperature to drying tube outside drying tube, and the thermal source for heating passage is hot raw coke oven gas, saves the energy.
Description
Technical field
The utility model belongs to fine coal distillation system technical field, and in particular to fine coal distillation system.
Background technology
According to the prediction of coal in China data, the coal resources total amount within China vertical depth 2000m is 55697.5 hundred million
Ton, wherein the coal resources total amount detected be 10176.45 hundred million tons, it is predicted that coal resources total amount be 4,552,100,000,000
Ton.The main integrated distribution of coal resources in China in the northern area of China, wherein most coal all concentrate on the Inner Mongol, Shaanxi,
Xinjiang, Gansu, Shanxi, Ningxia etc. save (area).The coal resources of northern area is 51842.82 hundred million tons, accounts for national total coal money
The 93% of source total amount；Other each province coal resources total amounts are about 3854.67 hundred million tons, only account for national coal resources total amount
6.92%.North Shaanxi land area is about 80000km2, as development it is North Shaanxi specialty industries using centered on coal, wherein
Total land area shared by coal is 27000km2.The northern Shensi coal amount that the end of the year 2010 were detected is more than 1,150 hundred million tons, it is contemplated that total amount
At least over more than 6 times verified.Total amount exceedes Shanxi, the Inner Mongol of neighbouring province, accounts for 50% of its total amount or so, accounts for Shaanxi Province
More than the 80% of interior coal, the whole nation 14% is accounted for, coal resources sum is more than the total amount in northeast, North China and south China.The coal of northern Shensi
Charcoal resource is concentrated mainly on the Fugu of Yulin City, Shenmu County, Hengshan Mountain, deckle, the area such as pacify the border region, i.e. Shen Fu, elm are horizontal, the refreshing three big ore deposits of elm
Area.The commonly used coal-mining method in China is wall coal method at present, and yield accounts for more than the 95% of China emphasis colliery, with
Wall coal method comes into operation, and produces the ratio more and more higher of fine coal, accounts for the 70%~80% of total coal amount, but this
A little fine coal are largely used to directly burn, and directly efficiency of combustion is extremely low, and have destruction to environment.In the prior art, to powder
The drying of coal is carried out with destructive distillation in a stove, adds the content of mechanical water in dry distillation gas, and dryer section mode of heating
Heated using heat-conducting oil furnace, waste the energy.
The content of the invention
In order to solve the above problems, the purpose of this utility model is to provide fine coal distillation system, two-piece design, Er Qietong
Cross and set heating passage to carry out warming temperature to drying tube outside drying tube, and the thermal source for heating passage is hot raw coke oven gas, is saved
The energy.
To achieve these goals, the technical solution adopted in the utility model is fine coal distillation system, including horizontally disposed
Drying tube, the inlet and outlet of drying tube point are communicated with charging aperture and coal breakage storehouse, and the outlet at bottom connection destructive distillation pipe in coal breakage storehouse enters
Mouthful, destructive distillation pipe is horizontally disposed and is arranged in below drying tube, and the outlet of destructive distillation pipe is connected with the semicoke output storehouse of bottom opening；
Heating pipe is provided with outside the drying tube, heating pipe is looped around outside drying tube, and it is heating tube to dry pipe outer wall
The inwall in road；The both ends of heating pipe offer air inlet and gas outlet respectively, and heat accumulation type radiant tube is fixed with the outside of destructive distillation pipe,
Hot raw coke oven gas enters from heating pipe air inlet, enters heat accumulation type radiant tube from gas outlet after heated pipeline.
Destructive distillation tube top portion is provided with the gas collecting apparatus for being used to collect raw coke oven gas connected with its inner chamber, and gas collecting apparatus passes through
Purifier is connected to heating pipe air inlet and heat accumulation type radiant tube air inlet.
Purifier is provided between the gas outlet of heating pipe and heat accumulation type radiant tube.
The air inlet of heating passage is provided with filter.
Coal breakage offers steam outlet at the top of storehouse.
Drying tube and destructive distillation Guan Jun offer manhole at top, and the transmission for transporting fine coal is provided with its inner chamber
Band.
The entrance of drying tube is provided with revolving top, and revolving top is arranged in the underface of charging aperture.
The entrance of destructive distillation pipe is provided with step-by-step movement material bed, and step-by-step movement material bed is arranged in the underface in coal breakage storehouse, coal breakage storehouse
Outlet at bottom is connected with coal breakage passage, and the outlet of coal breakage passage is step-by-step movement material bed.
The outlet of drying tube is connected by filter with the hot raw coke oven gas pipeline of quenching section.
Compared with prior art, the utility model at least has the advantages that, by setting heating outside drying tube
Passage carries out warming temperature to drying tube, and the thermal source for heating passage is hot raw coke oven gas, and hot raw coke oven gas is simple and easy to get, in retort section
It is available with quenching section, moreover, the outlet of heating passage is connected to the entrance of heat accumulation type radiant tube, that is, the hot waste coal after exchanging heat
Gas enters heat accumulation type radiant tube and carries out combustion heat release to retort section progress heat temperature raising, makes full use of raw coke oven gas, reduces other
The use of the energy, realize the recycling of heat energy, the cold raw coke oven gas after circulation can it is purified after be passed through in quenching section and make again
With carrying out recycling for heat energy.
Further, fine coal raw material is nonflammable, and burning gases are coal gas caused by retort section itself and carry out self-desiccation
The coal gas of section, the waste of other energy is reduced using this heat supply, while without the circulation of hot semicoke, add the production of semicoke
Rate, drying and preheating stove are mutually socketed using two cylinders, between form flue heat supply raw coke oven gas and circulate inside；Destructive distillation Guan Weiyi
Cylinder connects heat accumulation type radiant tube composition, and top sets tail gas recycle and purification section, can realize the recovery of raw coke oven gas and net
Change.
Further, by being provided with coal breakage storehouse in drying tube outlet, coal breakage the top of the warehouse offers steam outlet, ensures
Mechanical water does not enter coal gas in raw coal.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In accompanying drawing：1- heating pipes；2- filters；3- manholes；4- steam outlets；5- drying tubes；6- heat accumulating type spokes
Penetrate pipe；7- destructive distillation pipes；8- step-by-step movement material beds；9- drive devices；10- support meanss；11- charging apertures；12- revolving tops；13-
Semicoke exports storehouse；14- coal gas distributing devices；16- purifiers；17- triple valves；51- coal breakages storehouse.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, fine coal distillation system, including horizontally disposed drying tube 5, the inlet and outlet point of drying tube 5 are communicated with
Charging aperture 11 and coal breakage storehouse 51, the top in coal breakage storehouse 51 offer steam outlet, the outlet at bottom connection destructive distillation in coal breakage storehouse 51
The entrance of pipe 7, destructive distillation pipe 7 is horizontally disposed and is arranged in the lower section of drying tube 5, and the outlet of destructive distillation pipe 7 is connected with the half of bottom opening
Jiao's output storehouse 13；Also including the support meanss 10 of Dual-layer structure, wherein drying tube 5 is arranged on the upper strata of support meanss 10,
Destructive distillation pipe 7 is arranged on the lower floor of support meanss.
Heating pipe 1 is provided with outside the drying tube 5, heating pipe 1 is looped around outside drying tube 5, and the outer wall of drying tube 5 is to add
The inwall of hot channel 1；The both ends of heating pipe 1 offer air inlet and gas outlet respectively, and the air inlet of heating passage 1 is provided with
Filter 2, the outside of destructive distillation pipe 7 are fixed with heat accumulation type radiant tube 6, and hot raw coke oven gas enters from the air inlet of heating pipe 1, heated pipe
Enter heat accumulation type radiant tube 6 from gas outlet behind road 1；Purification is provided between the gas outlet of heating pipe 1 and heat accumulation type radiant tube 6
Device 16.
The top of destructive distillation pipe 7 is provided with the gas collecting apparatus for being used to collect raw coke oven gas connected with its inner chamber, and gas collecting apparatus leads to
Cross purifier 16 and be connected to the air inlet of heating pipe 1 and the air inlet of heat accumulation type radiant tube 6；The inlet end of heat accumulation type radiant tube 6
Coal gas distributing device 14 is provided with, heats and is mounted on triple valve 17 in the output end and gas collecting apparatus of passage 1；
Drying tube 5 and destructive distillation pipe 7 offer manhole 3 at top, and are provided with its inner chamber for transporting fine coal
Conveyer belt, the entrance of drying tube 5 are provided with revolving top 12, and revolving top 12 is arranged in the underface of charging aperture 11,
The entrance of destructive distillation pipe 7 is provided with step-by-step movement material bed 8, and step-by-step movement material bed 8 is arranged in the underface in coal breakage storehouse 51, the bottom of coal breakage storehouse 51
Portion outlet is connected with coal breakage passage, and the outlet of coal breakage passage is step-by-step movement material bed 8；Revolving top 12 and step-by-step movement material bed 8 divide
Drive device 9 is not connected with.
The course of work of the present utility model is as follows, and the feed coal gone out from coal production is screened by screening system first
After, 5~15mm and the feed coal less than two kinds of sizes of 5mm are screened out, the fine coal less than 5mm is pressed into 10mm by forming technique
After the fine coal of left and right, finally together enter charging aperture 11 with 5~15mm fine coal, walking beam furnace is sent to after rotated distributing device 12
Drying tube 5, in drying process, by the hot raw coke oven gas heat drying from quenching section, the warm of drying and dehydrating is completed, its
In the physical vapor that dries out be discharged into air after filtering eventually through steam outlet 4, the cold raw coke oven gas after circulation passes through
The heat accumulation type radiant tube 6 of purification rear portion supply retort section is used for accumulation of heat of burning, and another part is reclaimed for generating electricity or providing
Other thermals source use；The moisture and oxygen-containing functional group for being stripped of and influenceing coal calorific value 90% or so are wherein dried, dries the water of abjection
Discharged after steam removing dust.
Coal after drying goes successively to destructive distillation pipe 7 by Action of Gravity Field, and 550 are heated to by gas heat-accumulated type radiant tube 6
DEG C or so, wherein a coal gas part derives from coal gas caused by itself destructive distillation, and another part is after dryer section circulation
Cooled coal gas.Mixed gas after generation is through cooling down, purifying cooling of the rear portion into quenching section for high-temperature coke, another portion
Point supply the coal charge that the fuel heat accumulation type radiant tube 6 of itself is used for after destructive distillation preheating, coal is thermally decomposed during destructive distillation, separate out coal gas,
Semicoke is formed after the products such as tar, semi-coke is made after entering the cooling of quenching section in obtained high-temperature semi-coke.
The utility model employs the structure design of two-part, and employs heating passage 1 and heat accumulation type radiant tube 6,
The advantages of simple and efficiency of heating surface is high with technique, efficiently solve in the prior art, drying is carried out with destructive distillation in a stove
The content of mechanical water in dry distillation gas is added, does not make full use of the hot raw coke oven gas of quenching section and dryer section mode of heating uses
The problems such as heat-conducting oil furnace heating not enough saving financial cost and the efficiency of heating surface are low.
Claims (9)
1. fine coal distillation system, it is characterised in that including horizontally disposed drying tube (5), the inlet and outlet point connection of drying tube (5)
There are charging aperture (11) and coal breakage storehouse (51), the entrance of the outlet at bottom connection destructive distillation pipe (7) of coal breakage storehouse (51), destructive distillation pipe (7) water
Flat to set and be arranged in below drying tube (5), the outlet of destructive distillation pipe (7) is connected with semicoke output storehouse (13) of bottom opening；
Heating pipe (1) is provided with outside the drying tube (5), heating pipe (1) is looped around drying tube (5) outside, and drying tube (5) is outside
Wall is the inwall of heating pipe (1)；The both ends of heating pipe (1) offer air inlet and gas outlet, destructive distillation pipe (7) outside respectively
Heat accumulation type radiant tube (6) is fixed with, hot raw coke oven gas enters from heating pipe (1) air inlet, enters after heated pipeline (1) from gas outlet
Enter heat accumulation type radiant tube (6).
2. fine coal distillation system according to claim 1, it is characterised in that be provided with and its inner chamber at the top of destructive distillation pipe (7)
Connection is used to collect the gas collecting apparatus of raw coke oven gas, and gas collecting apparatus is connected to heating pipe (1) by purifier (16) and entered
Gas port and heat accumulation type radiant tube (6) air inlet.
3. fine coal distillation system according to claim 1, it is characterised in that the gas outlet of heating pipe (1) and heat accumulating type
Purifier (16) is provided between radiant tube (6).
4. fine coal distillation system according to claim 1, it is characterised in that the air inlet of heating passage (1) was provided with
Filter device (2).
5. fine coal distillation system according to claim 1, it is characterised in that coal breakage storehouse offers vapor at the top of (51)
Outlet.
6. fine coal distillation system according to claim 1, it is characterised in that drying tube (5) and destructive distillation pipe (7) are at top
Manhole (3) is offered, and the conveyer belt for transporting fine coal is provided with its inner chamber.
7. fine coal distillation system according to claim 1, it is characterised in that the entrance of drying tube (5) is provided with rotation
Distributing device (12), revolving top (12) are arranged in the underface of charging aperture (11).
8. fine coal distillation system according to claim 1, it is characterised in that the entrance of destructive distillation pipe (7) is provided with stepping
Formula material bed (8), step-by-step movement material bed (8) are arranged in the underface of coal breakage storehouse (51), and coal breakage storehouse (51) outlet at bottom is connected with coal breakage
Passage, the outlet of coal breakage passage is step-by-step movement material bed (8).
9. fine coal distillation system according to claim 1, it is characterised in that the outlet of drying tube (5) passes through filter
(2) connected with the hot raw coke oven gas pipeline of quenching section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720878880.1U CN207159142U (en) | 2017-07-19 | 2017-07-19 | Fine coal distillation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720878880.1U CN207159142U (en) | 2017-07-19 | 2017-07-19 | Fine coal distillation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207159142U true CN207159142U (en) | 2018-03-30 |
Family
ID=61713310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720878880.1U Expired - Fee Related CN207159142U (en) | 2017-07-19 | 2017-07-19 | Fine coal distillation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207159142U (en) |
-
2017
- 2017-07-19 CN CN201720878880.1U patent/CN207159142U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180330 Termination date: 20200719 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |