CN203807396U - Low-temperature pulverized coal retorting furnace - Google Patents
Low-temperature pulverized coal retorting furnace Download PDFInfo
- Publication number
- CN203807396U CN203807396U CN201420131180.2U CN201420131180U CN203807396U CN 203807396 U CN203807396 U CN 203807396U CN 201420131180 U CN201420131180 U CN 201420131180U CN 203807396 U CN203807396 U CN 203807396U
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- gas
- pipe
- quirk
- feed opening
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- 239000003245 coal Substances 0.000 title claims abstract description 33
- 238000007599 discharging Methods 0.000 claims abstract description 23
- 238000010791 quenching Methods 0.000 claims abstract description 20
- 230000000171 quenching effect Effects 0.000 claims abstract description 20
- 238000004939 coking Methods 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 238000000197 pyrolysis Methods 0.000 claims description 21
- 206010022000 influenza Diseases 0.000 claims description 17
- 239000003034 coal gas Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 8
- 230000006837 decompression Effects 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 3
- 239000000571 coke Substances 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000010000 carbonizing Methods 0.000 abstract 6
- 238000001556 precipitation Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 238000004064 recycling Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 49
- 239000003610 charcoal Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000005997 Calcium carbide Substances 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000009798 Shen-Fu Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model relates to a low-temperature pulverized coal retorting furnace. A firewall is arranged inside a furnace wall of a furnace body; a flame path is arranged inside the firewall; the upper part of the flame path is communicated with a flue pipe; the bottom of the flame path is communicated with a gas burner; the gas burner is communicated with a gas conduit and an air conduit; at least one carbonizing chamber is arranged inside the firewall; the upper part of each carbonizing chamber is communicated with a discharging port; the upper part of each discharging port is connected with a variable-frequency screw feeder; the upper parts of the variable-frequency screw feeders are connected with a top bin; an upper exhaust and precipitation gas main communicated with the carbonizing chambers is transversely arranged on one sides of the discharging ports; the upper exhaust and precipitation gas main is communicated with a gas recycling pipe; a coke quenching water tank is arranged at the lower part of each carbonizing chamber; a variable-frequency screw discharger is arranged at the lower parts of the coke quenching water tanks; a belt conveyor is arranged on one side of the variable-frequency screw discharger; the carbonizing chamber consists of three carbonizing cells. The low-temperature pulverized coal retorting furnace can uniformly distribute pulverized coal, and is helpful to collect gas, uniform in heating, adjustable in temperature and energy-saving.
Description
Technical field
The utility model relates to a kind of gas retort, relates in particular to a kind of fine coal low-temperature pyrolysis kiln.
Background technology
Jurassic Coal coal belongs to long-flame coal and non-caking coal, have the advantages that low ash, low-sulfur, low-phosphorous, low ash smelting point and golf calorific value, high inertinite divide content, high oxidation calcium contents, be coal and the steam coal for chemical industry of high-quality, be applicable to low, medium temperature carbonization and produce blue charcoal.But at current low-temperature pyrolysis industry fine coal, cannot fully utilize, quality product is not ideal enough, environmental issue solves not yet at all.
Blue charcoal utilizes high-quality dwarf sieve essence coal cinder that Shenfu coalfield abounds with to fire and forms, as a kind of novel carbon material, high with its fixed carbon, higher than resistance, chemically reactive is high, containing ash is low, aluminium is low, sulphur is low, phosphorus is low characteristic, progressively to replace metallurgical coke, be widely used in calcium carbide, iron alloy, ferrosilicon.The production of the products such as silicon carbide, becomes a kind of irreplaceable carbon material.Blue charcoal can replace coke and be widely used in the industries such as chemical industry, smelting, gas making.General blue charcoal adopts wet quenching, and the blue charcoal that produces contains large quantity of moisture, has limited the use of blue charcoal, has increased transportation cost, need to expend extra energy it is dried.And the exhaust steam that quenching process produces contains a large amount of hazardous and noxious substances, worsen execute-in-place environment, atmosphere pollution.Quenching process produces a large amount of phenolic wastewater, need expend great amount of cost and process.
Under this background, suddenly treat to push a kind of applied widely, reliable and stable kiln to whole low-disintegration coal comprehensive utilization industry.Therefore, provide a kind of structure letter simple, easy to operate, energy utilization rate is high, energy-conserving and environment-protective, and operation and the high fine coal low-temperature pyrolysis kiln of working efficiency, have wide market outlook.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of structure letter simple, and easy to operate, energy utilization rate is high, energy-conserving and environment-protective, operation and the high fine coal low-temperature pyrolysis kiln of working efficiency.
The technical solution of the utility model is such realization: a kind of fine coal low-temperature pyrolysis kiln, comprise body of heater, in the furnace wall of described body of heater, be provided with wall with flues, wall with flues inside is provided with quirk, quirk top is connected with smoke discharging pipe, quirk bottom is connected with gas burner, gas burner is connected with gas line and air line, in wall with flues inner side, be provided with at least one coking chamber, the top of coking chamber is connected with feed opening, the top of feed opening is connected with frequency conversion screw feeding machine, frequency conversion screw feeding machine top is connected with furnace top bin, in a side of feed opening, be horizontally arranged with the upper row who is connected with coking chamber and separate out gas main, upper row separates out gas main and is connected with coal-gas recovering pipe, the bottom of coking chamber is provided with quenching tank, quenching tank bottom is provided with frequency conversion spiral discharging machine, one side of frequency conversion spiral discharging machine is provided with rotary conveyor.
Described coking chamber is comprised of three charing cells, the top of each charing cell is provided with feed opening, the bottom of each charing cell is provided with quenching tank, the both sides of each charing cell are provided with row and separate out gas pipe, and on each, row separates out gas pipe and all separates out gas main with upper row and be connected.
The below of described coal-gas recovering pipe is provided with explosion-proof decompression tank, and described smoke discharging pipe and the below of gas line are also provided with explosion-proof decompression tank.
The S-shaped wall with flues inside that is distributed in of described quirk, the import of quirk is arranged on position on the lower, body of heater middle part, and the outlet of quirk is arranged on top one side of body of heater.
The top of described feed opening is provided with material loading and observes processing hole, and frequency conversion screw feeding machine is arranged on material loading and observes feed opening one side of processing below, hole.
Described upper row separates out gas pipe and by upper row, separates out gas pipe dividing plate and form, and on each, row separates out between gas pipe dividing plate and offers gas inlet.
The utlity model has following positively effect: the letter of the utility model structure is simple, easy to operate, comprise body of heater, in the furnace wall of described body of heater, be provided with wall with flues, wall with flues inside is provided with quirk, quirk top is connected with smoke discharging pipe, quirk bottom is connected with gas burner, gas burner is connected with gas line and air line, in wall with flues inner side, be provided with at least one coking chamber, the top of coking chamber is connected with feed opening, the top of feed opening is connected with frequency conversion screw feeding machine, frequency conversion screw feeding machine top is connected with furnace top bin, in a side of feed opening, be horizontally arranged with the upper row who is connected with coking chamber and separate out gas main, upper row separates out gas main and is connected with coal-gas recovering pipe, the bottom of coking chamber is provided with quenching tank, quenching tank bottom is provided with frequency conversion spiral discharging machine, one side of frequency conversion spiral discharging machine is provided with rotary conveyor, coking chamber is comprised of three charing cells, the top of each charing cell is provided with feed opening, the bottom of each charing cell is provided with quenching tank, the both sides of each charing cell are provided with row and separate out gas pipe, on each, row separates out gas pipe and all separates out gas main with upper row and be connected, in use, three groups of the even lattices of each coking chamber, the corresponding three groups of feed openings in top, can make fine coal be evenly distributed, thereby make material be heated evenly the production capacity of bringing into play to greatest extent gas retort, each coking chamber inside is uniformly distributed row on three groups and separates out gas pipe, and after fine coal is heated, coal gas can evenly be discharged in time, is beneficial to coal gas and collects, for next step heat supply provides assurance, fine coal low-temperature pyrolysis kiln adopts the wall with flues external-heat heating of coking chamber both sides, homogeneous heating, and temperature is adjustable, fine coal low-temperature pyrolysis kiln adopts indirect water-cooling dry quenching(of coke) to improve the quality of blue charcoal, and save energy, has reduced the generation of obnoxious flavour and industrial sewage, has reduced corresponding controlling device and expense, fine coal low-temperature pyrolysis kiln adopts spiral discharging machine discharging, makes material in gas retort stove evenly move down and discharge, and realizes output and quality product that discharging evenly guarantees gas retort, guarantees the safe operation of gas retort.
Accompanying drawing explanation
Fig. 1 is one of internal structure schematic diagram of the present utility model.
Fig. 2 is two of internal structure schematic diagram of the present utility model.
Fig. 3 is that upper row of the present utility model separates out gas pipe structural representation.
Embodiment
As Fig. 1, 2, shown in 3, a kind of fine coal low-temperature pyrolysis kiln, comprise body of heater 17, in the furnace wall of described body of heater 17, be provided with wall with flues 19, wall with flues 19 inside are provided with quirk 14, quirk 14 tops are connected with smoke discharging pipe 7, quirk 14 bottoms are connected with gas burner 15, gas burner 15 is connected with gas line 9 and air line 10, in wall with flues 19 inner sides, be provided with at least one coking chamber 18, the top of coking chamber 18 is connected with feed opening 4, the top of feed opening 4 is connected with frequency conversion screw feeding machine 3, frequency conversion screw feeding machine 3 tops are connected with furnace top bin 1, in a side of feed opening 4, be horizontally arranged with the upper row who is connected with coking chamber 18 and separate out gas main 16, upper row separates out gas main 16 and is connected with coal-gas recovering pipe 5, the bottom of coking chamber 18 is provided with quenching tank 11, quenching tank 11 bottoms are provided with frequency conversion spiral discharging machine 12, one side of frequency conversion spiral discharging machine 12 is provided with rotary conveyor 13.
Described coking chamber 18 is comprised of three charing cells 20, the top of each charing cell 20 is provided with feed opening 4, the bottom of each charing cell 20 is provided with quenching tank 11, the both sides of each charing cell 20 are provided with row and separate out gas pipe 8, and on each, row separates out gas pipe 8 and all separates out gas main 16 with upper row and be connected.The below of described coal-gas recovering pipe 5 is provided with explosion-proof decompression tank 6, and described smoke discharging pipe 7 and the below of gas line 9 are also provided with explosion-proof decompression tank 6.S-shaped wall with flues 19 inside that are distributed in of described quirk 14, the import of quirk 14 is arranged on position on the lower, body of heater 17 middle parts, and the outlet of quirk 14 is arranged on top one side of body of heater 17.The top of described feed opening 4 is provided with material loading and observes processing hole 2, and frequency conversion screw feeding machine 3 is arranged on material loading and observes feed opening 4 one sides of processing 2 belows, hole.Described upper row separates out gas pipe 8 and by upper row, separates out gas pipe dividing plate 22 and form, and on each, row separates out and between gas pipe dividing plate 22, offers gas inlet 21.
Raw material jurassic period fine coal is transported to furnace top bin 1 by chapelet, fine coal enters respectively frequency conversion screw feeding machine 3 by furnace top bin 1, again respectively through feed opening 4, enter the charing cell 20 of coking chamber 18 correspondences, at pyrolysis temperature at 550 to 650 ℃, coal charge sinks gradually, along with time lapse, the blue powdered carbon of low-temperature pyrolysis product enters quenching tank 11, under indirect water-cooling effect, carry out dry quenching(of coke), blue powdered carbon temperature drops under certain temperature, by 12 outputs of frequency conversion spiral discharging machine, then transports by rotary conveyor 13.
The utility model provides thermal source by low-temperature pyrolysis coal gas, and heating system comprises gas pipe 9, air line 10, gas burner 15 and explosion-proof decompression tank 6.Low-temperature pyrolysis coal gas is separated out gas pipe 8 by upper row and is entered upper row and separate out gas main 16, separates out coal gas and through coal-gas recovering pipe 5, enters gas cleaning device again, and the purified gas after processing provides thermal source by heating system for low-temperature pyrolysis.Coal gas is by after gas burner 15 burnings, and the waste gas of generation, by the quirk 14 of wall with flues inside, enters smoke discharging pipe 7, emptying through chimney.
Claims (6)
1. a fine coal low-temperature pyrolysis kiln, comprise body of heater (17), it is characterized in that: in the furnace wall of described body of heater (17), be provided with wall with flues (19), wall with flues (19) inside is provided with quirk (14), quirk (14) top is connected with smoke discharging pipe (7), quirk (14) bottom is connected with gas burner (15), gas burner (15) is connected with gas line (9) and air line (10), in wall with flues (19) inner side, be provided with at least one coking chamber (18), the top of coking chamber (18) is connected with feed opening (4), the top of feed opening (4) is connected with frequency conversion screw feeding machine (3), frequency conversion screw feeding machine (3) top is connected with furnace top bin (1), in a side of feed opening (4), be horizontally arranged with the upper row who is connected with coking chamber (18) and separate out gas main (16), upper row separates out gas main (16) and is connected with coal-gas recovering pipe (5), the bottom of coking chamber (18) is provided with quenching tank (11), quenching tank (11) bottom is provided with frequency conversion spiral discharging machine (12), one side of frequency conversion spiral discharging machine (12) is provided with rotary conveyor (13).
2. fine coal low-temperature pyrolysis kiln according to claim 1, it is characterized in that: described coking chamber (18) is comprised of three charing cells (20), the top of each charing cell (20) is provided with feed opening (4), the bottom of each charing cell (20) is provided with quenching tank (11), the both sides of each charing cell (20) are provided with row and separate out gas pipe (8), and on each, row separates out gas pipe (8) and all separates out gas main (16) with upper row and be connected.
3. fine coal low-temperature pyrolysis kiln according to claim 1, it is characterized in that: the below of described coal-gas recovering pipe (5) is provided with explosion-proof decompression tank (6), the below of described smoke discharging pipe (7) and gas line (9) is also provided with explosion-proof decompression tank (6).
4. fine coal low-temperature pyrolysis kiln according to claim 1, it is characterized in that: S-shaped wall with flues (19) inside that is distributed in of described quirk (14), the import of quirk (14) is arranged on position on the lower, body of heater (17) middle part, and the outlet of quirk (14) is arranged on top one side of body of heater (17).
5. fine coal low-temperature pyrolysis kiln according to claim 1, it is characterized in that: the top of described feed opening (4) is provided with material loading and observes processing hole (2), and frequency conversion screw feeding machine (3) is arranged on material loading and observes feed opening (4) one sides of processing below, hole (2).
6. fine coal low-temperature pyrolysis kiln according to claim 2, it is characterized in that: described upper row separates out gas pipe (8) and by upper row, separates out gas pipe dividing plate (22) and form, on each, row separates out and between gas pipe dividing plate (22), offers gas inlet (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420131180.2U CN203807396U (en) | 2014-03-24 | 2014-03-24 | Low-temperature pulverized coal retorting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420131180.2U CN203807396U (en) | 2014-03-24 | 2014-03-24 | Low-temperature pulverized coal retorting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203807396U true CN203807396U (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420131180.2U Expired - Fee Related CN203807396U (en) | 2014-03-24 | 2014-03-24 | Low-temperature pulverized coal retorting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203807396U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103923675A (en) * | 2014-03-24 | 2014-07-16 | 陈振平 | Fine coal low-temperature destructive distillation kiln |
| CN105861009A (en) * | 2016-06-02 | 2016-08-17 | 华电重工股份有限公司 | Powder coal two-stage dry distillation device and dry distillation method |
-
2014
- 2014-03-24 CN CN201420131180.2U patent/CN203807396U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103923675A (en) * | 2014-03-24 | 2014-07-16 | 陈振平 | Fine coal low-temperature destructive distillation kiln |
| CN105861009A (en) * | 2016-06-02 | 2016-08-17 | 华电重工股份有限公司 | Powder coal two-stage dry distillation device and dry distillation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 |
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| CF01 | Termination of patent right due to non-payment of annual fee |