CN201297837Y - Large-sized rotary kiln refinery coke calcining equipment - Google Patents
Large-sized rotary kiln refinery coke calcining equipment Download PDFInfo
- Publication number
- CN201297837Y CN201297837Y CNU2008202190852U CN200820219085U CN201297837Y CN 201297837 Y CN201297837 Y CN 201297837Y CN U2008202190852 U CNU2008202190852 U CN U2008202190852U CN 200820219085 U CN200820219085 U CN 200820219085U CN 201297837 Y CN201297837 Y CN 201297837Y
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- rotary kiln
- kiln
- petroleum coke
- equipment according
- incinerator
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Abstract
The utility model relates to a refinery coke calcining equipment, especially relates to a large-sized rotary kiln refinery coke calcining equipment. The refinery coke calcining equipment of the utility model adopts unique refinery coke to feed to the rotary kiln quantitatively after being broken and screened, the cooling machine uses directly spraying method to cool the high-temperature calcination coke, an incinerator leads the combustible substance in the rotary kiln tail gas to further burn, and an exhaust-heat processing system uses the exhaust heat to generate and heat. The utility model improves safety and environment protection of the entire refinery coke calcining technique production system, is a refinery coke calcining technique with high yield and high efficiency.
Description
Technical field
The utility model relates to a kind of calcining petroleum coke equipment, particularly relates to a kind of large-sized rotary kiln petroleum coke calcination equipment.
Background technology
Calcined petroleum coke is the bulk raw material of used for aluminium electrolysis carbon anode, and calcining is one of master operation of anode production, by moisture, the fugitive constituent in the calcining eliminating petroleum coke, can improve density, mechanical strength, electric conductivity and the chemical stability etc. of petroleum coke; Calcined petroleum coke mainly adopts equipment such as rotary kiln, pot type burner, revolution bed, and Comparatively speaking, rotary kiln is used for calcined petroleum coke and has advantages such as production is continuous, production capacity is big, cost is low, the operation regulation and control are easy, is the domestic and international at present extensive calciner that adopts.Along with the increasing of electrolytic aluminium factory scale, anode consumption heightens, and the demand of petroleum coke is also strengthened.Therefore, need oversized calcine technology equipment could reduce investment and improve output; Improve production capacity, many rotary kilns of configuration just.Simultaneously, calcined by rotary kiln equipment is also backward relatively, and concrete manifestation is as follows:
1, big, the raw materials technology of equipment unreasonable allocation, floor space does not do that reasonable proportioning and screening, feed are inhomogeneous, the batcher blanking velocity can not finely be controlled, and separate unit hour production capacity is below 10t/h;
2, incinerator or be the combustion chamber finite capacity, incinerator does not provide combustion air, and a large amount of volatile matters, dust etc. are not fully burned, and do not cause energy waste and environmental quality up to standard etc.;
3, waste heat is not fully used or only is used for heat supply, and just directly discharging causes energy waste then;
4, the type of cooling falls behind, and it is main adopting the direct water-cooling mode, is connected on that the spray cooling causes equipment corrosion on the cooler, and pollutes and heavily be not easy to collect steam;
5, two, the tertiary-air pipe installation site is unreasonable, causes fugitive constituent in time not burn, a large amount of combustibles enters into the incinerator burning, has reduced the thermal efficiency of rotary kiln; Also cause simultaneously two, tertiary-air pipe shortens service life;
6, dedusting method falls behind, and steam can not finely be handled, and dust-removing powder is handled unreasonable, causes secondary pollution easily.
More than the direct result of these problems be exactly that the calcined coke production capacity is lower, poor product quality, burn out rate height, construction investment is big, the system maintenance amount is big etc., therefore, be not only the calcining process of petroleum cokes by using technology and have much room for improvement, simultaneously the rotary kiln device space that also is significantly improved.
The utility model content
Technical problem to be solved in the utility model provides a kind of large-sized rotary kiln petroleum coke calcination equipment, and purpose is to realize high production capacity, solves problems such as energy waste, poor product quality, burn out rate height, construction investment are big.
In order to solve the problems of the technologies described above, the utility model is achieved in that
Large-sized rotary kiln petroleum coke calcination equipment, its structure is as follows: forge preceding storehouse and be connected with rotary kiln through charge pipe, rotary kiln is connected with cooler, cooler is connected with cooling water system, cooler is connected with incinerator, and the kiln tail of rotary kiln is connected with incinerator, and incinerator is connected with bootstrap system.
Describedly forge preceding storehouse and be connected with weighing formula belt conveyer scale, weighing formula belt conveyer scale is connected with rotary kiln with charge pipe through the elevated-temperature seal valve, and charge pipe is inserted in the kiln tail of rotary kiln.
Described charge pipe is connected with the cooling blower of cooling air is provided for it.
The kiln tail of described rotary kiln is connected with another elevated-temperature seal valve that is used to discharge the burnt grain dust of accumulation in it.
The kiln hood of described rotary kiln is with the kiln hood burner that fuel is provided and provide the primary air fan of fresh air to be connected.
Described primary air fan is connected with control valve, and control valve is connected with control system.
The middle part of described rotary kiln with sufficient oxygen is provided for combustible, calory burning can be connected to the tertiary air machine that the kiln tail moves.
The kiln hood of described rotary kiln also is connected with the kiln hood cooling blower that provides cold air to reduce the kiln hood skin temperature for kiln hood, and the control valve of kiln hood cooling blower links to each other with control system.
The kiln tail of described rotary kiln also with for the kiln tail and the kiln tail cooling blower that burns burner and provide cold air to reduce its skin temperature be connected, kiln tail cooling blower also is connected with the burner of incinerator, the control valve of kiln tail cooling blower links to each other with control system.
Described rotary kiln is connected with cooler by the mobile discharge device.
Described cooler is connected with the burner of incinerator by cyclone dust collectors.
Described incinerator carries fresh air to promote the incinerator combustion fan of burning to be connected with the incinerator primary air machine that is used for transport gas with being used to.
Described incinerator is connected with the bootstrap system of heat supply with being used to generate electricity by flue valve.
The kiln body of described rotary kiln, incinerator and cooler inside are provided with liner.
Described cooling water system also is connected with the kiln body of rotary kiln, the motor and the flue valve of cooler.
Advantage of the present utility model and effect are as follows:
Large-sized rotary kiln petroleum coke calcination equipment utilization large-sized rotary kiln of the present utility model is realized the calcining of raw material; The utility model can be realized qualified calcined coke production capacity 24t/h; Occupation area of equipment is few, be convenient to safeguard; Spray outside the tube has been cancelled in spray cooling in the burnt only employing of high-temperature calcination in the cooler, has reduced dispersing in a large number of steam, good cooling results; The kiln head and tail sealing is strong, and the carbonaceous scaling loss is few; The automaticity height; Fugitive constituent burn-off rate height, waste heat are used for generating electricity and heat supply, have improved utilization rate of waste heat.Cooling system has air-cooled and the water-cooled dual mode, is fit to different situations; The utility model is not only large-tonnage calcining petroleum coke system, also is a calcining petroleum coke system that environment protecting is good, product quality is high.
Description of drawings
Fig. 1 is a large-sized rotary kiln petroleum coke calcination equipment connection structure schematic diagram of the present utility model.
Fig. 2 is a large-sized rotary kiln petroleum coke calcination equipment plan structure schematic diagram of the present utility model.
Fig. 3 is a large-sized rotary kiln petroleum coke calcination equipment side TV structure schematic diagram of the present utility model.
Among the figure, 1. forge preceding storehouse; 2. belt conveyer scale; 3. elevated-temperature seal valve; 4. tremie pipe; 5 tremie pipe cooling blowers; 6. rotary kiln; 7. tertiary air machine; 8. kiln tail cooling blower; 9. kiln hood cooling blower; 10. kiln hood so burns device; 11. kiln hood primary air fan; 12. control valve; 13. mobile discharge device; 14. cooler; 15. multicyclone; 16. incinerator primary air machine; 17. incinerator combustion fan; 18. high temperature unloading valve; 19. incinerator; 20. flue gate valve; 21. cooling water system; 22. bootstrap system; 23. control system.
The specific embodiment
Below embodiment of the present utility model is described in detail in conjunction with the accompanying drawings, but protection domain of the present utility model is not limit by embodiment.
As shown in Figure 1, 2, 3, the utility model large-sized rotary kiln petroleum coke calcination device structure is as follows: enter through the good petroleum coke of crushing and screening and forge preceding storehouse 1, forging preceding storehouse 1 is connected with the kiln tail of rotary kiln 6 through weighing formula belt conveyer scale 2, elevated-temperature seal valve 3, charge pipe 4, charge pipe 4 is inserted into the kiln tail of rotary kiln 6, petroleum coke is sent to the kiln tail of rotary kiln 6, belt conveyer scale blanking amount and blanking velocity can be controlled by control system 23, and charge pipe 4 is connected with the cooling blower 5 that cooling air is provided for it; The burnt grain dust of the kiln tail accumulation of rotary kiln 6 etc. can in time be discharged by another elevated-temperature seal valve 3; Petroleum coke on the liner of kiln body along with the transmission of kiln body, the kiln hood of rotary kiln 6 is connected with the primary air fan 11 that fresh air is provided for it with the kiln hood burner 10 that fuel is provided for it, make the interior fugitive constituent of kiln body of rotary kiln 6 form combustible, light the back produce a large amount of heats to petroleum coke dewater, drying, ash disposal, calcination etc., primary air fan 11 is connected with control valve 12, and control valve 12 is connected with control system 23; The tertiary air machine 7 that is connected with the middle part of rotary kiln 6 can move calory burning to the kiln tail for combustible provides sufficient oxygen; The kiln hood cooling blower 9 that is connected with the kiln hood of rotary kiln 6 reduces the kiln hood skin temperature for kiln hood provides cold air, and the kiln tail cooling blower 8 that is connected with the kiln tail of rotary kiln 6 provides cold air to reduce its skin temperature for kiln tail and burning burner; The control valve of kiln hood cooling blower 9 and kiln tail cooling blower 8 links to each other with control system 23, regulates automatically according to the variation of kiln temperature, natural gas content, blanking amount; The kiln tail of rotary kiln 6 is connected with cooler 14 by mobile discharge device 13, and the interior spray equipment of cooling water system 21 cools the temperature to below 80 ℃ and discharge according to the temperature of setting to scorching hot petroleum coke water spray; Cooler 14 is connected with incinerator 19 by cyclone dust collectors 15 backs, and incinerator 19 carries fresh air to promote its clean-burning combustion fan 17 to be connected with the incinerator primary air machine 16 that is used for transport gas with being used to; Burning back dust stratifications such as incinerator 19 interior fugitive constituents are in time discharged by high temperature unloading valve 18, and the afterbody of incinerator 19 is connected with bootstrap system 22 by flue valve 20.Cooling water system 21 also is connected with the kiln body of rotary kiln 6, the motor and the flue valve 20 of cooler 14.Control system 23 is arranged on indoor, by being arranged on on-the-spot temperature, pressure, flow instrument and camera technological parameter and technical process is carried out complete monitoring, and regulates setup parameter automatically.
The utility model calcining process of petroleum cokes by using large rotary kiln is as follows: enter through the good petroleum coke of crushing and screening and forge preceding storehouse 1, weighing formula belt conveyer scale 2 can be sent to petroleum coke the kiln tail of rotary kiln 6 by elevated-temperature seal valve 3, charge pipe 4, belt conveyer scale blanking amount and blanking velocity can be controlled, and the cooling of charge pipe is by cooling blower 5 air-supply circulation coolings; The burnt grain dust of kiln tail accumulation etc. can in time be discharged by another elevated-temperature seal valve 3; Petroleum coke on the liner of kiln body along with the transmission of kiln body, fresh air, the fugitive constituent in the kiln body that kiln hood burner 10 provides fuel-bound primary air fan 11 to provide form combustible, light the back produce a large amount of heats to petroleum coke dewater, drying, ash disposal, calcination etc., primary air fan 11 is connected with control valve 12; Tertiary air machine 7 can move calory burning to the kiln tail for combustible provides sufficient oxygen; Kiln hood cooling blower 9 reduces the kiln hood skin temperature for kiln hood provides cold air; Kiln tail cooling blower 8 is for the kiln tail and burn burner and provide cold air to reduce its skin temperature; The control valve of blower fan links to each other with the control room, regulates automatically according to the variation of kiln temperature, natural gas content, blanking amount; Petroleum coke after the calcining enters in the cooler 14 by mobile discharge device 13, and the interior spray equipment of cooling water system 21 cools the temperature to below 80 ℃ and discharge according to the temperature of setting to scorching hot petroleum coke water spray; The a large amount of steam that produce in the cooler, dust etc. carry out pre-dedusting by the cyclone dust collectors 15 of dust pelletizing system, steam, the combustible of discharging enter incinerator 19 internal combustion, and the natural gas that can also utilize burner burner and incinerator primary air machine 16 to send here as required in the incinerator ignites from the flammable tail gas of kiln tail, cooler collection, fugitive constituent etc.; The combustion fan 17 of incinerator is sent fresh air here and is promoted it fully to burn; Burning back dust stratifications such as the interior fugitive constituent of incinerator are in time discharged by high temperature unloading valve 18, and a large amount of heats of generation and tail gas enter bootstrap system 22 by flue valve 20 and generates electricity and heat supply; The motor of 21 pairs of kiln bodies of circulation cooling water system and cooler, the flue outlet gate of incinerator etc. cool off, and provide cold water for scorching hot petroleum coke spray in the cooler simultaneously; Control system 23 is arranged on indoor, by being arranged on on-the-spot temperature, pressure, flow instrument and camera technological parameter and technical process is carried out complete monitoring, and regulates setup parameter automatically.
Described rotary kiln body, incinerator and cooler inside are provided with thick liner, guarantee that calcining heat can reach more than 1350 ℃, and make the kliner coating surface temperature can not be overheated.
Claims (17)
1, a kind of large-sized rotary kiln petroleum coke calcination equipment, it is characterized in that structure is as follows: forge preceding storehouse (1) and be connected with rotary kiln (6) through charge pipe (4), rotary kiln (6) is connected with cooler (14), cooler (14) is connected with cooling water system (21), the kiln tail of rotary kiln (6) is connected with incinerator (19), and incinerator (19) is connected with bootstrap system (22).
2, large-sized rotary kiln petroleum coke calcination equipment according to claim 1, it is characterized in that the described preceding storehouse (1) of forging is connected with weighing formula belt conveyer scale (2) earlier, weighing formula belt conveyer scale (2) is connected with rotary kiln (6) with charge pipe (4) through elevated-temperature seal valve (3), and charge pipe (4) is inserted in the kiln tail of rotary kiln (6).
3, large-sized rotary kiln petroleum coke calcination equipment according to claim 1 and 2 is characterized in that described charge pipe (4) is connected with the cooling blower (5) that cooling air is provided for it.
4, large-sized rotary kiln petroleum coke calcination equipment according to claim 1 and 2 is characterized in that the kiln tail of described rotary kiln (6) is connected with another elevated-temperature seal valve (3) that is used to discharge the burnt grain dust of accumulation in it.
5, large-sized rotary kiln petroleum coke calcination equipment according to claim 1, the kiln hood that it is characterized in that described rotary kiln (6) is with the kiln hood burner (10) that fuel is provided and provide the primary air fan (11) of fresh air to be connected.
6, large-sized rotary kiln petroleum coke calcination equipment according to claim 5 is characterized in that described primary air fan (11) is connected with control valve (12), and control valve (12) is connected with control system (23).
7, large-sized rotary kiln petroleum coke calcination equipment according to claim 5 is characterized in that the middle part of described rotary kiln (6) and sufficient oxygen is provided for combustible, calory burning can be connected to the tertiary air machine (7) that the kiln tail moves.
8, large-sized rotary kiln petroleum coke calcination equipment according to claim 1 is characterized in that the kiln hood of described rotary kiln (6) also is connected with the kiln hood cooling blower (9) that provides cold air to reduce the kiln hood skin temperature for kiln hood.
9, large-sized rotary kiln petroleum coke calcination equipment according to claim 8 is characterized in that describedly, and the control valve of kiln hood cooling blower (9) links to each other with control system (23).
10, large-sized rotary kiln petroleum coke calcination equipment according to claim 1, the kiln tail that it is characterized in that rotary kiln (6) also with for the kiln tail and the kiln tail cooling blower (8) that burns burner and provide cold air to reduce its skin temperature be connected, kiln tail cooling blower (8) also is connected with the burner of incinerator (19).
11, large-sized rotary kiln petroleum coke calcination equipment according to claim 10 is characterized in that the control valve of kiln tail cooling blower (8) links to each other with control system (23).
12, according to claim 1 or 10 described large-sized rotary kiln petroleum coke calcination equipment, the burner that it is characterized in that described incinerator (19) carries fresh air to promote the incinerator combustion fan (17) of burning to be connected with the incinerator primary air machine 16 that is used for transport gas with being used to.
13, large-sized rotary kiln petroleum coke calcination equipment according to claim 1 is characterized in that described rotary kiln (6) is connected with cooler (14) by mobile discharge device (13).
14, large-sized rotary kiln petroleum coke calcination equipment according to claim 1 is characterized in that described cooler (14) is connected with the burner of incinerator (19) by cyclone dust collectors (15).
15, large-sized rotary kiln petroleum coke calcination equipment according to claim 1 is characterized in that described incinerator (19) is connected with the bootstrap system (22) of heat supply with being used to generate electricity by flue valve (20).
16, large-sized rotary kiln petroleum coke calcination equipment according to claim 1 is characterized in that kiln body, incinerator and the cooler inside of described rotary kiln (6) is provided with liner.
17, large-sized rotary kiln petroleum coke calcination equipment according to claim 1 is characterized in that described cooling water system (21) also is connected with the kiln body of rotary kiln (6), the motor and the flue valve (20) of cooler (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202190852U CN201297837Y (en) | 2008-11-11 | 2008-11-11 | Large-sized rotary kiln refinery coke calcining equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202190852U CN201297837Y (en) | 2008-11-11 | 2008-11-11 | Large-sized rotary kiln refinery coke calcining equipment |
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| Publication Number | Publication Date |
|---|---|
| CN201297837Y true CN201297837Y (en) | 2009-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202190852U Expired - Lifetime CN201297837Y (en) | 2008-11-11 | 2008-11-11 | Large-sized rotary kiln refinery coke calcining equipment |
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| CN (1) | CN201297837Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101676364B (en) * | 2008-09-16 | 2012-10-10 | 沈阳铝镁设计研究院有限公司 | Calcining process of petroleum cokes by using large rotary kiln and equipment thereof |
| CN104215074A (en) * | 2013-06-04 | 2014-12-17 | 宁夏嘉翔自控技术有限公司 | Electrical automatic control system for flue gas waste heat utilization system of electrically calcined furnace |
| CN115445374A (en) * | 2022-09-06 | 2022-12-09 | 河南龙佰智能装备制造有限公司 | Titanium sponge production tail gas treatment system and method |
-
2008
- 2008-11-11 CN CNU2008202190852U patent/CN201297837Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101676364B (en) * | 2008-09-16 | 2012-10-10 | 沈阳铝镁设计研究院有限公司 | Calcining process of petroleum cokes by using large rotary kiln and equipment thereof |
| CN104215074A (en) * | 2013-06-04 | 2014-12-17 | 宁夏嘉翔自控技术有限公司 | Electrical automatic control system for flue gas waste heat utilization system of electrically calcined furnace |
| CN115445374A (en) * | 2022-09-06 | 2022-12-09 | 河南龙佰智能装备制造有限公司 | Titanium sponge production tail gas treatment system and method |
| CN115445374B (en) * | 2022-09-06 | 2023-09-12 | 河南龙佰智能装备制造有限公司 | System and method for treating tail gas generated in titanium sponge production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENYANG ALUMINUM + MAGNESIUM ENGINEERING + RESEAR Free format text: FORMER NAME: SHENYANG ALUMINIUM AND MAGNESIUM DESIGN INST. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 110001 Heping Street, Heping District, Liaoning, Shenyang, No. 184 Patentee after: Shenyang Aluminum & Magnesium Engineering & Research Institute Co., Ltd. Address before: 110001 Heping Street, Heping District, Liaoning, Shenyang, No. 184 Patentee before: Shenyang Aluminium and Magnesium Design Institute |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20090826 Effective date of abandoning: 20081111 |
|
| RGAV | Abandon patent right to avoid regrant |