CN203307053U - Production device of semi-coke and lime coproduced calcium carbide - Google Patents
Production device of semi-coke and lime coproduced calcium carbide Download PDFInfo
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- CN203307053U CN203307053U CN201320315452XU CN201320315452U CN203307053U CN 203307053 U CN203307053 U CN 203307053U CN 201320315452X U CN201320315452X U CN 201320315452XU CN 201320315452 U CN201320315452 U CN 201320315452U CN 203307053 U CN203307053 U CN 203307053U
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- calcium carbide
- furnace
- lime
- blue charcoal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
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Abstract
The utility model relates to a production device of semi-coke and lime coproduced calcium carbide. The production device comprises a semi-coke furnace, a lime kiln, a calcium carbide furnace, tar-removing equipment and a cooler, wherein the semi-coke furnace is in a vertical kiln structure and comprises a feeding system, a suction beam, a combustion beam, a cooling distributor and a discharging opening, wherein the suction beam is connected with the tar-removing equipment; a gas outlet of the tar-removing equipment is connected with a cooler and a liquid outlet of the tar-removing equipment is connected with a chemical device; the outlet of the cooler is divided into two paths; one path is connected to the cooling distributor by a draught fan and the other path is connected to a steam boiler; the discharging opening of the semi-coke furnace is connected to a feeding opening of the calcium carbide furnace; a lime outlet of the lime kiln is connected to the feeding opening of the calcium carbide furnace. According to the production device, the semi-coke furnace, the lime kiln and the calcium carbide furnace are combined and the vertical kiln is used for producing semi-coke and semi-coke tail gas; the semi-coke tail gas enters the boiler to be combusted so as to generate steam for driving a steam turbine to generate power; the generated power is used for driving the calcium carbide furnace to produce calcium carbide, so that the power consumption for producing the calcium carbide is reduced, the pollution to the environment is reduced and residual heat can be utilized sufficiently.
Description
Technical field
The utility model belongs to the chemical production equipment technical field, relates to lime, blue charcoal and calcium carbide products production equipment, is specifically related to the production equipment of a kind of blue charcoal, lime coproduction 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, and it is discharged from upper of furnace body, and the calcium carbide product of melting is discharged from furnace bottom, through cooling, be broken into product.Lime, coke and calcium carbide production are the technical fields that is mutually related, and limestone kiln produces lime, and coke-fired furnace is produced coke, is calcium carbide production and supplies raw materials, and calcium carbide production traditionally, lime production and blue charcoal production are separate production systems.Blue charcoal claims again semicoke, coke powder, it is a kind of novel carbon material, have that fixed carbon is high, higher than resistance, chemically reactive is high, contain the characteristics such as ash is low, aluminium is low, sulphur is low, phosphorus is low, progressively to replace coke, be widely used in the production of the products such as calcium carbide, iron alloy, ferrosilicon and silicon carbide.
Summary of the invention
For overcoming the deficiencies in the prior art, the utility model provides the production equipment of a kind of blue charcoal, lime coproduction calcium carbide, by blue charcoal stove, limestone kiln, combine with furnace of calcium carbide, realize blue charcoal, lime coproduction calcium carbide product, realize that the energy utilizes mutually, thereby saving resource, reduce production costs, increase economic benefit.
The production equipment of the blue charcoal of the utility model, lime coproduction calcium carbide, comprise blue charcoal stove, limestone kiln, furnace of calcium carbide, tar removing equipment and water cooler.Furnace of calcium carbide is electric arc furnace, is provided with opening for feed, electrode, calcium carbide furnace gas outlet and calcium carbide outlet.Blue charcoal stove is the shaft furnace structure, comprises feed system, suction bar, burning beam, cooling sparger and discharge port.Burning beam is provided with burner, and burning beam is connected with airline with fuel conduit respectively.Suction bar and tar removing equipment connection, tar removing equipment pneumatic outlet is connected with water cooler.Cooler outlet is divided into two-way, and a road is connected to cooling sparger through induced draft fan, and another road is connected to steam boiler.Blue charcoal furnace discharge mouth is connected to the furnace of calcium carbide opening for feed, and the lime outlet in limestone kiln is connected to the furnace of calcium carbide opening for feed.
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.Burning beam is provided with the cavity of heat-eliminating medium circulation, and the cavity of heat-eliminating medium circulation is connected with the thermal oil recycle system by pipeline.Limestone kiln is the two thorax kilns of beam-type limekiln, sleeve kiln or cocurrent flow type, does not get rid of other kiln type.The calcium carbide furnace gas outlet is connected to the fuel inlet of lime kiln burner by pipeline.The electrode of furnace of calcium carbide is connected to the output terminal of transformer, and the input terminus of described transformer is connected to electrical network.The liquid exit of tar removing equipment is connected to chemical plant installations.Blue charcoal stove is the blue charcoal stove of beam type, telescopic blue charcoal stove or also flows the blue charcoal stove of two thorax formulas, do not get rid of other type of furnace.The blue charcoal pneumatic transmission produced in blue charcoal production process enters the boiler combustion generating, and the electric energy of generation is used for driving furnace of calcium carbide, or, after the electrical network current stabilization, drives furnace of calcium carbide.
The utility model combines with furnace of calcium carbide by blue charcoal stove, limestone kiln, utilize shaft furnace to produce blue charcoal and blue charcoal gas, blue charcoal gas enters boiler combustion and produces the steam driven steam turbine power generation, the electricity sent is used for driving furnace of calcium carbide and produces calcium carbide, significantly reduced the power consumption that calcium carbide is produced, the pollution of minimizing to environment, realized taking full advantage of of waste heat.After blue charcoal tail gas tar removing, be used as blue charcoal cooling gas, be conducive to improve blue charcoal quality product, blue charcoal tail gas is made steam boiler fuel, with the steam boiler generating, be connected to the grid, with the electricity of electrical network, carry out calcium carbide production again, realize electric power compensation, not only can reduce energy consumption and increase the output value, and can improve the stability that calcium carbide is produced.Calcium carbide furnace gas, directly as the fuel of limestone kiln calcined limestone, takes full advantage of the by product that calcium carbide is produced, and reduces energy consumption, increases economic efficiency.Furnace of calcium carbide is combined the trucking costs that can reduce lime and coke with blue charcoal stove, limestone kiln.
The accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the production equipment of the blue charcoal of the utility model, lime coproduction calcium carbide.
Wherein:
1-feed system, 2-suction bar, 3-blue charcoal stove, 4-burning beam, 5-cooling sparger, 6-discharge port, 7-chemical plant installations, 8-tar removing equipment, 9-water cooler, 10-induced draft fan, 11-limestone kiln, 12-electrical network, 13-steam turbine, 14-generator, 15-steam boiler, 16-transformer, 17-opening for feed, 18-furnace of calcium carbide, 19-electrode, the outlet of 20-calcium carbide furnace gas, the outlet of 21-calcium carbide.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
The production equipment of the blue charcoal of the utility model, lime coproduction calcium carbide, as shown in Figure 1, comprise blue charcoal stove 3, limestone kiln 11, furnace of calcium carbide 18, tar removing equipment 8, transformer 16, water cooler 9, steam turbine 13 and generator 14.Furnace of calcium carbide is provided with opening for feed 17, electrode 19, calcium carbide furnace gas outlet 20 and calcium carbide outlet 21.Blue charcoal stove is the blue charcoal stove of beam type, comprises feed system 1, suction bar 2, burning beam 4, cooling sparger 5 and discharge port 6.Burning beam is provided with burner, and the burning beam fuel inlet is connected with fuel conduit, and the combustion air entrance is connected with airline.Suction bar and tar removing equipment connection, tar removing equipment pneumatic outlet is connected with water cooler 9, and liquid exit is connected to chemical plant installations 7.Cooler outlet is divided into two-way, and a road is connected to cooling sparger 5 through induced draft fan 10, and as blue charcoal heat-eliminating medium, another road is connected to steam boiler and makes fuel.Blue charcoal furnace discharge mouth 6 is connected to furnace of calcium carbide opening for feed 17.Limestone kiln 11 is beam-type limekiln, is provided with opening for feed, preheating zone, calcining zone and the outlet of high temperature lime, and the lime outlet is connected to furnace of calcium carbide opening for feed 17.The calcium carbide furnace gas outlet 20 of furnace of calcium carbide is connected to the fuel inlet of limestone kiln combustion equipment burner by pipeline.Steam turbine 13 is connected with generator 14 axles, and the vapour outlet of steam boiler is connected to steam turbine, and generator circuit is connected to electrical network.The input terminus of transformer 16 is connected to electrical network, and output terminal is connected to the electrode 19 of furnace of calcium carbide.The burning beam of blue charcoal stove is provided with the cavity of heat-eliminating medium circulation, for cooling beam body, prevents that high temperature from burning out the beam body, and the cavity of heat-eliminating medium circulation is connected with the thermal oil recycle system by pipeline, with thermal oil cooling combustion beam beam body.
The operational process of the production equipment of the blue charcoal of the utility model, lime coproduction calcium carbide is, raw coal enters blue charcoal stove 3 through feed system 1, after the preheating of preheating zone, top, to the burner ejection fuel combustion of ，Zai high-temperature zone, heat district burning beam 4, low-temperature pyrolysis is carried out in heating raw materials to 600～700 ℃ and generate blue charcoal.The blue charcoal generated enters the cooling zone of blue charcoal stove bottom, by enter cooling of cooling sparger 5 and the blue charcoal tail gas after purifying the blue charcoal of high temperature is carried out cooling, be cooled to 300～400 ℃, then through discharge port 6 and furnace of calcium carbide opening for feed 17, enter furnace of calcium carbide 18.The high temperature lime that limestone kiln 11 produces, directly enter furnace of calcium carbide by the lime outlet through opening for feed 17 without cooling.Start furnace of calcium carbide heated by electrodes to 2000～2200 ℃ of generation calcium carbides, the calcium carbide of molten state, through calcium carbide outlet 21 dischargings, partly carries out cooling and broken to post-treatment.Calcium carbide furnace gas through calcium carbide furnace gas outlet 20 to limestone kiln 11 combustion equipment burner make fuel.The tail gas that blue charcoal stove produces is extracted out by suction bar 2, and through tar removing equipment 8 decokings and gas-oil separation, the tar separated enters chemical plant installations 7 production chemical products, and the gas separated is cooled to 100～200 ℃ through water cooler 9.Cooler outlet is divided into two-way, and the heat-eliminating medium of cooling blue charcoal is made on a road to cooling sparger 5 through induced draft fan 10.The fuel generating steam is made to steam boiler in another road.The steam that steam boiler occurs drives generator 14 generatings to steam turbine 13, and the electricity of generation is incorporated to national grid.By mains supply, provide electric energy for furnace of calcium carbide electrode 19 after by transformer 16 transformations.The electric weight be connected to the grid by generator 14 generatings can compensate the electric weight that the furnace of calcium carbide electrode is used, and realizes electric power compensation by network system.
Claims (8)
1. the production equipment of a blue charcoal, lime coproduction calcium carbide, comprise blue charcoal stove (3), limestone kiln (11), furnace of calcium carbide (18), tar removing equipment (8), water cooler (9) and steam boiler (15), described furnace of calcium carbide is electric arc furnace, be provided with opening for feed (17), electrode (19), calcium carbide furnace gas outlet (20) and calcium carbide outlet (21), it is characterized in that: described blue charcoal stove is the shaft furnace structure, comprises feed system (1), suction bar (2), burning beam (4), cooling sparger (5) and discharge port (6); Described burning beam is provided with burner, and burning beam is connected with airline with fuel conduit respectively; Described suction bar and tar removing equipment connection, tar removing equipment pneumatic outlet is connected with water cooler; Cooler outlet is divided into two-way, and a road is connected to cooling sparger through induced draft fan (10), and another road is connected to steam boiler; Described discharge port (6) is connected to the furnace of calcium carbide opening for feed, and the lime outlet in described limestone kiln is connected to the furnace of calcium carbide opening for feed.
2. the production equipment of blue charcoal according to claim 1, lime coproduction calcium carbide, it is characterized in that: described device is provided with steam turbine (13) and generator (14), steam turbine is connected with generator shaft, the vapour outlet of described steam boiler is connected to steam turbine, and described generator circuit is connected to electrical network.
3. the production equipment of blue charcoal according to claim 1, lime coproduction calcium carbide is characterized in that: described burning beam is provided with the cavity of heat-eliminating medium circulation, and the cavity of described heat-eliminating medium circulation is connected with the thermal oil recycle system by pipeline.
4. the production equipment of blue charcoal according to claim 1, lime coproduction calcium carbide is characterized in that: described limestone kiln is the two thorax kilns of beam-type limekiln, sleeve kiln or cocurrent flow type.
5. the production equipment of blue charcoal according to claim 1, lime coproduction calcium carbide is characterized in that: the calcium carbide furnace gas outlet (20) of described furnace of calcium carbide is connected to the fuel inlet of lime kiln burner by pipeline.
6. the production equipment of blue charcoal according to claim 1, lime coproduction calcium carbide, it is characterized in that: described electrode (19) is connected to the output terminal of transformer (16), and the input terminus of described transformer is connected to electrical network.
7. the production equipment of blue charcoal according to claim 1, lime coproduction calcium carbide, it is characterized in that: the liquid exit of described tar removing equipment (8) is connected to chemical plant installations (7).
8. the production equipment of blue charcoal according to claim 1, lime coproduction calcium carbide is characterized in that: described blue charcoal stove (3) is the blue charcoal stove of beam type, telescopic blue charcoal stove or and the blue charcoal stoves of the two thorax formulas of stream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320315452XU CN203307053U (en) | 2013-06-04 | 2013-06-04 | Production device of semi-coke and lime coproduced calcium carbide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320315452XU CN203307053U (en) | 2013-06-04 | 2013-06-04 | Production device of semi-coke and lime coproduced calcium carbide |
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| Publication Number | Publication Date |
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| CN203307053U true CN203307053U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320315452XU Withdrawn - After Issue CN203307053U (en) | 2013-06-04 | 2013-06-04 | Production device of semi-coke and lime coproduced calcium carbide |
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| CN (1) | CN203307053U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303900A (en) * | 2013-06-04 | 2013-09-18 | 石家庄新华能源环保科技股份有限公司 | Production device of semi-coke and lime co-produced calcium carbide |
| CN108675911A (en) * | 2018-08-21 | 2018-10-19 | 中国科学院上海高等研究院 | A kind of carbide acetylene production technology for reducing carbide slag and generating |
-
2013
- 2013-06-04 CN CN201320315452XU patent/CN203307053U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303900A (en) * | 2013-06-04 | 2013-09-18 | 石家庄新华能源环保科技股份有限公司 | Production device of semi-coke and lime co-produced calcium carbide |
| CN103303900B (en) * | 2013-06-04 | 2015-06-24 | 石家庄新华能源环保科技股份有限公司 | Production device of semi-coke and lime co-produced calcium carbide |
| CN108675911A (en) * | 2018-08-21 | 2018-10-19 | 中国科学院上海高等研究院 | A kind of carbide acetylene production technology for reducing carbide slag and generating |
| CN108675911B (en) * | 2018-08-21 | 2021-06-25 | 中国科学院上海高等研究院 | Calcium carbide acetylene production process capable of reducing generation of calcium carbide slag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131127 Effective date of abandoning: 20150624 |
|
| RGAV | Abandon patent right to avoid regrant |