CN203307054U - Device for producing calcium carbides by adopting oxygen heat method - Google Patents
Device for producing calcium carbides by adopting oxygen heat method Download PDFInfo
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- CN203307054U CN203307054U CN2013203031572U CN201320303157U CN203307054U CN 203307054 U CN203307054 U CN 203307054U CN 2013203031572 U CN2013203031572 U CN 2013203031572U CN 201320303157 U CN201320303157 U CN 201320303157U CN 203307054 U CN203307054 U CN 203307054U
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- calcium carbide
- oxygen
- fuel
- carbide furnace
- furnace
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Abstract
The utility model relates to a device for producing calcium carbides by adopting an oxygen heat method. The device comprises a calcium carbide furnace, a cyclone separator, a steam turbine, a steam boiler, a mixer, powder manufacturing equipment and a generator, wherein the lower part in a calcium carbide furnace body is provided with a high temperature self-fusion channel; the upper part of the calcium carbide furnace is in a hemispheroid structure, the middle of the calcium carbide furnace is in a circular truncated cone structure, and the lower part of the calcium carbide furnace is in a cylinder structure; an air outlet of the calcium carbide furnace is connected with the cyclone separator, air outlets of the cyclone separator are divided into two paths, one path is connected with the mixer, and the other path is connected with the steam boiler; a material leg of the cyclone separator is connected with the mixer; fuel feeding equipment is connected with a fuel nozzle of the calcium carbide furnace through the mixer. The device provided by the utility model has the advantages that the calcium carbide furnace the upper part of which is in the hemispheroid structure is utilized to carry out carbonization reaction, a material fully reacts, and the production capacity is large; the calcium carbide furnace is combined with the steam boiler and generating equipment, and generates power by utilizing steam produced by combustion heating of the tail gas, so that resources are sufficiently utilized, energy consumption is reduced, and the production values and economic benefits are improved.
Description
Technical field
The utility model belongs to the chemical production equipment technical field, relates to a kind of device of producing calcium carbide, is specifically related to the device that the hot method of a kind of oxygen is produced calcium carbide.
Background technology
Carbide of calcium, molecular formula CaC
2, being commonly called as calcium carbide, carbide of calcium reacts with water and generates acetylene.Acetylene is important industrial chemicals, and mainly for the production of polyvinyl chloride-based, vinyl acetate between to for plastic base and acrylic series product, the PVC product of China more than 70% comes from the acetylene that calcium carbide is produced.China's oil shortage of resources and coal resources are relatively abundant, determined that the calcium carbide industry will bring into play irreplaceable effect meeting the downstream demand side.
Electric furnace smelting process is generally adopted in industrial calcium carbide production, and the high temperature that utilizes electric arc to produce is heated to the lime in furnace of calcium carbide and coke more than 2000 ℃, stops certain hour and generates the molten state calcium carbide.The calcium carbide furnace gas that production process produces is mainly CO, discharges from upper of furnace body, and the calcium carbide product of melting is discharged from furnace bottom, through cooling, be broken into product.
At present, the contradiction of China's electrical production and demand is still outstanding, and electric power development has become the bottleneck of the national economic development.Brownout, raising electric power utilization ratio are problem in the urgent need to address, are again the problems that needs long-term endeavour research.Electric heating process is produced approximately 3400 degree of calcium carbide ton product power consumption, ranked first in chemical industry.Therefore, electric heating process is produced calcium carbide and not only is subject to the restriction of supply of electric power, but also affects the calcium carbide production cost.
Summary of the invention
For overcoming the deficiencies in the prior art, the utility model provides the hot method of a kind of oxygen to produce the device of calcium carbide, with brownout, reduces energy consumption and production costs, and increases economic benefit.
The hot method of the utility model oxygen is produced the device of calcium carbide, is mainly furnace of calcium carbide, and furnace of calcium carbide is provided with opening for feed, calcium carbide furnace gas outlet, calcium carbide outlet, fuel nozzle ports and oxygen spout.There is high temperature bottom in the calcium carbide body of heater from melting channel, and the oxygen spout is connected with oxygen pipeline.The top of furnace of calcium carbide is the hemisphere structure, and centre is frustum cone structure, and bottom is cylindrical structure.Device is provided with steam boiler, mixing tank and cyclonic separator.The calcium carbide furnace gas outlet is connected with cyclonic separator, and the pneumatic outlet of cyclonic separator is divided into two-way, and a road is connected to mixing tank, and a road is connected to steam boiler, and the dipleg of cyclonic separator is connected to mixing tank.Fuel-supplying unit is connected to the fuel nozzle ports of furnace of calcium carbide by mixing tank.
The device that the hot method of oxygen is produced calcium carbide is provided with powder manufacturing apparatus, and fuel-supplying unit is connected to mixing tank by powder manufacturing apparatus.Device is provided with steam turbine and generator, and steam turbine is connected with generator shaft, and the vapour outlet of steam boiler is connected to steam turbine, and generator circuit is connected to electrical network.Furnace of calcium carbide is fuel used is solid fuel, geseous fuel and liquid fuel, is preferably the refinery coke solid fuel.Therefore, fuel-supplying unit is solid fuel supply arrangement, geseous fuel supply arrangement or liquid fuel supply equipment.Device is provided with fuel distribution pipe and oxygen distribution pipe, and fuel conduit is connected to fuel nozzle ports by the fuel distribution pipe, and oxygen pipeline is connected to the oxygen spout by the oxygen distribution pipe.
The device that the hot method of the utility model oxygen is produced calcium carbide utilizes top to carry out carburizing reagent for the furnace of calcium carbide of hemisphere structure, and the carburizing reagent space is large, and material reaction is abundant, and the calcium carbide quality is good, and throughput is large.Furnace of calcium carbide, in conjunction with steam boiler and generating set, utilizes the calcium carbide stove exhaust combustion generating steam to generate electricity, and resource is fully used, thereby has reduced energy consumption, has improved the output value and economic benefit.Utilize pure oxygen or oxygen-enriched combusting heating, be conducive to improve the calorific value of calcium carbide quality product and calcium carbide tail gas.
The accompanying drawing explanation
Fig. 1 is the schematic flow sheet that the hot method of the utility model oxygen is produced the calcium carbide device.
Wherein:
1-opening for feed, 2-furnace of calcium carbide, 3-high temperature are from melting channel, 4-fuel nozzle ports, 5-oxygen spout, the outlet of 6-calcium carbide, the outlet of 7-calcium carbide furnace gas, 8-cyclonic separator, 9-steam turbine, 10-steam boiler, 11-mixing tank, 12-powder manufacturing apparatus, 13-dipleg, 14-generator.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
The hot method of the utility model oxygen is produced the device of calcium carbide, as shown in Figure 1, comprises furnace of calcium carbide 2, cyclonic separator 8, steam turbine 9, steam boiler 10, mixing tank 11, powder manufacturing apparatus 12 and generator 14.The top of furnace of calcium carbide is the hemisphere structure, and centre is frustum cone structure, and bottom is cylindrical structure.Furnace of calcium carbide is provided with opening for feed 1, calcium carbide furnace gas outlet 7, calcium carbide 6,4 fuel nozzle ports 4 of outlet and 4 oxygen spouts 5.There is high temperature bottom in the calcium carbide body of heater from melting channel 3.The calcium carbide furnace gas outlet is connected with cyclonic separator, and the pneumatic outlet of cyclonic separator is divided into two-way, and a road is connected to mixing tank, and a road is connected to steam boiler, and the dipleg 13 of cyclonic separator is connected to mixing tank.Fuel-supplying unit is connected to mixing tank 11 by powder manufacturing apparatus 12, and mixer outlet is connected to fuel nozzle ports by the fuel distribution pipe.Oxygen pipeline is connected to the oxygen spout by the oxygen distribution pipe.The vapour outlet of steam boiler is connected to steam turbine, and steam turbine is connected with generator shaft, and generator circuit is connected to electrical network.
The operational process that the hot method of the utility model oxygen is produced the device of calcium carbide is, raw material lime and blue charcoal enter furnace of calcium carbide 2 in the ratio of processing requirement through opening for feed 1,2000～2200 ℃ of high temperature cabonization reactions generate calcium carbide and by-product calcium carbide furnace gas through furnace of calcium carbide, and calcium carbide is discharged to the post-treatment system through calcium carbide outlet 6 and carries out cooling and broken.Calcium carbide furnace gas carries out gas solid separation through calcium carbide furnace gas outlet 7 to cyclonic separator 8, and the solid particulate separated arrives mixing tank through dipleg 13.Isolated gas is divided into two-way, and the fuel generating steam is made to steam boiler 10 in a road, and delivering gas is made to mixing tank in another road.Fuel is refinery coke, and refinery coke is made coke powder through powder manufacturing apparatus.Coke powder mixes at the calcium carbide grit that mixing tank 11 and cyclonic separator separate, and through fuel distribution pipe, fuel nozzle ports 4, arrives furnace of calcium carbide under the conveying of the calcium carbide furnace gas after purification.Oxygen to the combustion-supporting burning of furnace of calcium carbide, produces the high temperature more than 2000 ℃ through oxygen distribution pipe, oxygen spout, carries out carburizing reagent.The steam that steam boiler occurs drives generator 14 generatings to steam turbine 9, and the generator electricity is incorporated to national grid.
Claims (5)
1. the hot method of an oxygen is produced the device of calcium carbide, comprise furnace of calcium carbide (2), described furnace of calcium carbide is provided with opening for feed (1), calcium carbide furnace gas outlet (7), calcium carbide outlet (6), 2～10 fuel nozzle ports (4) and 2～10 oxygen spouts (5), there is high temperature bottom in the calcium carbide body of heater from melting channel (3), the oxygen spout is connected with oxygen pipeline, it is characterized in that: the top of described furnace of calcium carbide is the hemisphere structure, and centre is frustum cone structure, and bottom is cylindrical structure; Described device is provided with steam boiler (10), mixing tank (11) and cyclonic separator (8); Described calcium carbide furnace gas outlet is connected with cyclonic separator, and the pneumatic outlet of cyclonic separator is divided into two-way, and a road is connected to mixing tank, and another road is connected to steam boiler, and the dipleg of cyclonic separator (13) is connected to mixing tank; Fuel-supplying unit is connected to the fuel nozzle ports of furnace of calcium carbide by mixing tank.
2. the hot method of oxygen according to claim 1 is produced the device of calcium carbide, and it is characterized in that: described device is provided with powder manufacturing apparatus (12), and fuel-supplying unit is connected to mixing tank (11) by powder manufacturing apparatus.
3. the hot method of oxygen according to claim 1 is produced the device of calcium carbide, and it is characterized in that: described device is provided with steam turbine (9) and generator (14), and steam turbine is connected with generator shaft; The vapour outlet of described steam boiler (10) is connected to steam turbine, and described generator circuit is connected to electrical network.
4. the hot method of oxygen according to claim 1 is produced the device of calcium carbide, and it is characterized in that: described fuel-supplying unit is solid fuel supply arrangement, geseous fuel supply arrangement or liquid fuel supply equipment.
5. the hot method of oxygen according to claim 1 is produced the device of calcium carbide, it is characterized in that: described device is provided with fuel distribution pipe and oxygen distribution pipe, fuel conduit is connected to fuel nozzle ports (4) by the fuel distribution pipe, and oxygen pipeline is connected to oxygen spout (5) by the oxygen distribution pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203031572U CN203307054U (en) | 2013-05-30 | 2013-05-30 | Device for producing calcium carbides by adopting oxygen heat method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203031572U CN203307054U (en) | 2013-05-30 | 2013-05-30 | Device for producing calcium carbides by adopting oxygen heat method |
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| Publication Number | Publication Date |
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| CN203307054U true CN203307054U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013203031572U Expired - Lifetime CN203307054U (en) | 2013-05-30 | 2013-05-30 | Device for producing calcium carbides by adopting oxygen heat method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303923A (en) * | 2013-05-30 | 2013-09-18 | 石家庄新华能源环保科技股份有限公司 | Device for producing calcium carbide by using oxygen thermal method |
| CN105293497A (en) * | 2015-11-16 | 2016-02-03 | 中冶南方工程技术有限公司 | Calcium carbide smelting process by oxygen heating method |
| CN106082225A (en) * | 2016-08-05 | 2016-11-09 | 北京神雾环境能源科技集团股份有限公司 | The production system of a kind of carbide being provided with double shaft furnace and method |
| CN106082226A (en) * | 2016-08-05 | 2016-11-09 | 北京神雾环境能源科技集团股份有限公司 | A kind of high temperature pressure ball produces the system and method for carbide |
-
2013
- 2013-05-30 CN CN2013203031572U patent/CN203307054U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303923A (en) * | 2013-05-30 | 2013-09-18 | 石家庄新华能源环保科技股份有限公司 | Device for producing calcium carbide by using oxygen thermal method |
| CN105293497A (en) * | 2015-11-16 | 2016-02-03 | 中冶南方工程技术有限公司 | Calcium carbide smelting process by oxygen heating method |
| CN105293497B (en) * | 2015-11-16 | 2018-03-13 | 中冶南方工程技术有限公司 | A kind of hot method of oxygen smelts calcium carbide technique |
| CN106082225A (en) * | 2016-08-05 | 2016-11-09 | 北京神雾环境能源科技集团股份有限公司 | The production system of a kind of carbide being provided with double shaft furnace and method |
| CN106082226A (en) * | 2016-08-05 | 2016-11-09 | 北京神雾环境能源科技集团股份有限公司 | A kind of high temperature pressure ball produces the system and method for carbide |
| CN106082226B (en) * | 2016-08-05 | 2018-02-27 | 神雾科技集团股份有限公司 | A kind of system and method for high temperature pressure ball production calcium carbide |
| CN106082225B (en) * | 2016-08-05 | 2018-02-27 | 神雾科技集团股份有限公司 | A kind of production system and method for the calcium carbide for being provided with double shaft furnaces |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |
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| CX01 | Expiry of patent term |