CN203513286U - Oxygen-heating-process calcium carbide furnace - Google Patents
Oxygen-heating-process calcium carbide furnace Download PDFInfo
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- CN203513286U CN203513286U CN201320541643.8U CN201320541643U CN203513286U CN 203513286 U CN203513286 U CN 203513286U CN 201320541643 U CN201320541643 U CN 201320541643U CN 203513286 U CN203513286 U CN 203513286U
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- calcium carbide
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Abstract
The utility model relates to an oxygen-heating-process calcium carbide furnace. The oxygen-heating-process calcium carbide furnace comprises a furnace body and a furnace lid, wherein the furnace body is provided with 2-8 feed ports, a calcium carbide discharge port, a gas outlet pipe, an oxygen nozzle and a cooling air inlet. The oxygen nozzle passes through the furnace lid and is inserted into a material bed of the furnace body, the cooling air inlet is formed in the bottom of the furnace body and is connected with a cooling fan, and the gas outlet pipe is connected with an exhaust emission system. The oxygen nozzle is in a sleeve type structure, and comprises an inner sleeve and an outer sleeve, wherein the space between the inner sleeve and the outer sleeve is filled with filler, and a conduction oil cooling jacket is arranged outside the outer sleeve; a conduction oil inlet and a conduction oil outlet of the a conduction oil cooling jacket are connected with a conduction oil circulation system. Calcium carbide is produced by adopting the oxygen-heating-process calcium carbide furnace, the power consumption in the calcium carbide production is lowered, meanwhile, the quality of a calcium carbide product can be guaranteed, and the increase of economic benefits of enterprises is facilitated.
Description
Technical field
The utility model belongs to chemical production equipment technical field, relates to a kind of furnace of calcium carbide, is specifically related to the hot method furnace of calcium carbide of a kind of oxygen.
Background technology
Carbide of calcium is commonly called as calcium carbide, and 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 more than 70% PVC product of China comes from the acetylene that calcium carbide produces.The rise in price of petroleum products has stimulated calcium carbide industrial expansion.
Two kinds of the hot method of the main aerobic of production method of calcium carbide and electric heating process, industrial general use electric heating process is produced calcium carbide.Electric heating process is the electric furnace melting that coke and calcium oxide are placed in to 2000～2200 ℃ of left and right, generates carbide of calcium.The high temperature that utilizes electric arc to produce is heated to 2000～2200 ℃ by the lime in furnace of calcium carbide and coke, stops regular hour generation molten state calcium carbide.The deficiency that electric heating process is produced calcium carbide is that power consumption is high, produces one ton of calcium carbide product power consumption approximately 3500 degree, in chemical industry, ranked first.The high calcium carbide production bottleneck that becomes of power consumption, has affected the production cost of calcium carbide product.The hot method of oxygen is under the existence of oxygen, to make part carbon burn, and the heat of high temperature of generation makes remaining carbon and calcium oxide generation carburizing reagent generate calcium carbide.The hot method of oxygen produce calcium carbide have energy consumption low, pollute the advantages such as little, but the calcium carbide quality that the hot method of oxygen is produced awaits improving.
Publication number be the Chinese patent of 102153085A disclose " method and the calcium carbide reactor of calcium carbide and synthetic gas prepared in the hot method reaction of a kind of oxygen, solved that the consumption of existing calcium carbide raw materials is large, equipment is many, investment is large, technique comparatively the CO of complexity, by-product measure problem less and that be difficult to industrialization use.Calcium carbide reactor comprises gas-solid separator, and the below of gas-solid separator is provided with closed Reaktionsofen, and described closed Reaktionsofen consists of the preheating chamber on top, the reaction chamber of the vaporizer at middle part, bottom." the oxygen burner of this patent is positioned at the sidewall of calcium carbide reactor, in the middle of reactor, can form dead stock column, thereby reduced the utilization ratio of reactor volume, simultaneously also comparatively serious to the ablation of the resistance to material in furnace wall.
Utility model content
The purpose of this utility model is to provide the hot method furnace of calcium carbide of a kind of oxygen, improves the combustionproperty in furnace of calcium carbide, reduces energy expenditure, improves calcium carbide quality product and Business Economic Benefit.
The hot method furnace of calcium carbide of the utility model oxygen, comprises body of heater and bell, and body of heater is provided with 2～8 opening for feeds, calcium carbide outlet, gas outlet tube, oxygen jet and cooling air inlet, and opening for feed is connected with hopper, is evenly distributed on bell.Oxygen jet inserts in the body of heater bed of material through bell, and cooling air inlet is positioned at bottom of furnace body, and cooling air inlet is connected with cooling blower, and gas outlet tube is connected with exhaust emission system.Oxygen jet is telescoping structure, comprises inner core and urceolus, and inner core is oxygen hose, between inner core and urceolus, loads filler, and urceolus outside is provided with thermal oil cooling jacket.Outlet is connected with the thermal oil recycle system thermal oil entrance of thermal oil cooling jacket with thermal oil.Between body of heater and bell, be provided with sand seal.
Above bell, be provided with water wall, sidewall is provided with bell water jacket.Furnace of calcium carbide is provided with electrode and bores, and electrode bores and is positioned at calcium carbide outlet, matches with calcium carbide outlet.Refractory layer is equipped with in body of heater inside.The pipeline that opening for feed is connected with hopper is provided with material lock.Furnace of calcium carbide is equipped with safety valve, and safety valve is arranged on gas outlet tube.Furnace of calcium carbide is provided with carbide pushcarts, and calcium carbide pot is housed on carbide pushcarts, and carbide pushcarts is positioned at calcium carbide outlet.
The utility model is by the oxygen jet of telescoping structure, the inner core of oxygen jet is oxygen hose, between inner core and urceolus, load filler, form the hot method furnace of calcium carbide of oxygen, utilize oxygen hose ejection oxygen to make carbon burning be heated to 2000～2200 ℃, generate the calcium carbide of molten state, by calcium carbide, export in the calcium carbide pot that flows out to carbide pushcarts, carry out cooling and broken.Urceolus outside is provided with thermal oil cooling jacket, and protection oxygen jet is not burned.By the hot method furnace of calcium carbide of oxygen, produce calcium carbide, reduced the power consumption that calcium carbide is produced, saved cost, guaranteed the quality of calcium carbide product simultaneously, be conducive to improve the economic benefit of enterprise.
Accompanying drawing explanation
Fig. 1 is the structural representation of the hot method furnace of calcium carbide of the utility model oxygen;
Fig. 2 is the enlarged view on furnace of calcium carbide top;
Fig. 3 is the vertical view of Fig. 1.
Wherein:
1-safety valve, 2-gas outlet tube, 3-bell, 4-water jacket, 5-bell water jacket, the outlet of 6-calcium carbide, 7-electrode brill, 8-oxygen hose, 9-oxygen jet, 10-hopper, 11-sand seal, 12-body of heater, 13-refractory layer, 14-bed of material, 15-cooling blower, 16-filler, 17-thermal oil cooling jacket, 18-silicone rubber seal, 19-water wall, 20-material lock, 21-thermal oil entrance, the outlet of 22-thermal oil.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
As shown in Figure 1, Figure 2 and Figure 3, furnace of calcium carbide is electric arc furnace structure to the hot method furnace of calcium carbide of the utility model oxygen, comprises body of heater and bell.Body of heater is provided with 5 opening for feeds, calcium carbide outlet 6, gas outlet tube 2, oxygen jet 9 and cooling air inlet.Opening for feed is connected with hopper 10, is evenly distributed on bell, and the pipeline that opening for feed is connected with hopper is provided with material lock 20.Cooling air inlet is positioned at bottom of furnace body, and cooling air inlet is connected with cooling blower 15, and gas outlet tube is connected with exhaust emission system, with the connecting pipeline of gas outlet tube, safety valve 1 is housed.Oxygen jet 9 inserts the body of heater bed of material 14 through bell, and oxygen jet is telescoping structure, comprises inner core and urceolus, inner core is oxygen hose 8, and urceolus is electrode shell, loads filler 16 between inner core and urceolus, urceolus outside is provided with thermal oil cooling jacket 17, for cooling oxygen injection nozzles.The thermal oil entrance 21 of thermal oil cooling jacket is connected with the thermal oil recycle system with thermal oil outlet 22.Between body of heater and bell, be provided with sand seal 11.Above bell, be provided with water wall 19, sidewall is provided with bell water jacket 5.Furnace of calcium carbide is provided with carbide pushcarts and electrode bores 7, and calcium carbide pot is housed on carbide pushcarts, and electrode brill and carbide pushcarts are positioned at calcium carbide and export 6 places, matches with calcium carbide outlet.Refractory layer 13 is equipped with in body of heater 12 inside.
The operating process of the hot method furnace of calcium carbide of the utility model oxygen is: through processing after qualified lime (5-30mm), coke (5-20mm) mix by suitable weight proportion, add the loading hopper on bell, then through the material pipe to downward-extension, by gravity, enter in stove continuously.Oxygen sprays into through the oxygen hose at oxygen jet center, with coke burning, so that reaction institute heat requirement to be provided.At 2000-2200 ℃, lime and coke gasification reaction generate melting calcium carbide, and melting calcium carbide flows to furnace of calcium carbide bottom through material gap, form molten bath, by plug for outlet, is discharged.The furnace gas generating in stove carries out heat exchange with the raw material sinking in uphill process, and controlling furnace gas export temperature is 1200-1300 ℃.The calcium carbide of having smelted, went out No. one time stove every two hours, melting calcium carbide flows in the calcium carbide pot on trailer wagon, moves dolly to cooling factory building carry out cooling fragmentation by windlass.The CO furnace gas that reaction produces from the air outlet bell after purifying treatment for cogeneration.
Claims (7)
1. the hot method furnace of calcium carbide of oxygen, comprise body of heater (12) and bell (3), described body of heater is provided with 2～8 opening for feeds, calcium carbide outlet (6), gas outlet tube (2), oxygen jet (9) and cooling air inlet, and opening for feed is connected with hopper (10), is evenly distributed on bell; Described oxygen jet inserts in the body of heater bed of material through bell, and described cooling air inlet is positioned at bottom of furnace body, and cooling air inlet is connected with cooling blower (15), and gas outlet tube is connected with exhaust emission system; It is characterized in that: described oxygen jet is telescoping structure, comprise inner core and urceolus, inner core is oxygen hose (8), loads filler (16) between inner core and urceolus, and urceolus outside is provided with thermal oil cooling jacket (17); The thermal oil entrance (21) of thermal oil cooling jacket is connected with the thermal oil recycle system with thermal oil outlet (22); Between body of heater and bell, be provided with sand seal (11).
2. the hot method furnace of calcium carbide of oxygen according to claim 1, is characterized in that: above described bell, be provided with water wall (19), sidewall is provided with bell water jacket (5).
3. the hot method furnace of calcium carbide of oxygen according to claim 1, is characterized in that: described furnace of calcium carbide is provided with electrode and bores (7), and described electrode bores and is positioned at calcium carbide outlet (6), matches with calcium carbide outlet.
4. the hot method furnace of calcium carbide of oxygen according to claim 1, is characterized in that: refractory layer (13) is equipped with in described body of heater (12) inside.
5. the hot method furnace of calcium carbide of oxygen according to claim 1, is characterized in that: the pipeline that described opening for feed is connected with hopper is provided with material lock (20).
6. the hot method furnace of calcium carbide of oxygen according to claim 1, is characterized in that: described furnace of calcium carbide is equipped with safety valve (1), and described safety valve is arranged on gas outlet tube (2).
7. the hot method furnace of calcium carbide of oxygen according to claim 1, is characterized in that: described furnace of calcium carbide is provided with carbide pushcarts, and calcium carbide pot is housed on carbide pushcarts, and carbide pushcarts is positioned at calcium carbide outlet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541643.8U CN203513286U (en) | 2013-09-03 | 2013-09-03 | Oxygen-heating-process calcium carbide furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541643.8U CN203513286U (en) | 2013-09-03 | 2013-09-03 | Oxygen-heating-process calcium carbide furnace |
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| Publication Number | Publication Date |
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| CN203513286U true CN203513286U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320541643.8U Expired - Lifetime CN203513286U (en) | 2013-09-03 | 2013-09-03 | Oxygen-heating-process calcium carbide furnace |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293496A (en) * | 2015-11-04 | 2016-02-03 | 中冶南方工程技术有限公司 | Furnace and system for smelting calcium carbide by combining oxygen with electricity |
| CN105293494A (en) * | 2015-11-04 | 2016-02-03 | 中冶南方工程技术有限公司 | Method for smelting calcium carbide by combining oxygen with electricity |
| CN105858661A (en) * | 2016-03-30 | 2016-08-17 | 神雾环保技术股份有限公司 | Oxygen thermal method calcium carbide synthesis reactor |
| 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
- 2013-09-03 CN CN201320541643.8U patent/CN203513286U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293496A (en) * | 2015-11-04 | 2016-02-03 | 中冶南方工程技术有限公司 | Furnace and system for smelting calcium carbide by combining oxygen with electricity |
| CN105293494A (en) * | 2015-11-04 | 2016-02-03 | 中冶南方工程技术有限公司 | Method for smelting calcium carbide by combining oxygen with electricity |
| CN105858661A (en) * | 2016-03-30 | 2016-08-17 | 神雾环保技术股份有限公司 | Oxygen thermal method calcium carbide synthesis reactor |
| 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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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |
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| CX01 | Expiry of patent term |