CN2780768Y - Continuous production vertical coke oven - Google Patents
Continuous production vertical coke oven Download PDFInfo
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- CN2780768Y CN2780768Y CN 200520023605 CN200520023605U CN2780768Y CN 2780768 Y CN2780768 Y CN 2780768Y CN 200520023605 CN200520023605 CN 200520023605 CN 200520023605 U CN200520023605 U CN 200520023605U CN 2780768 Y CN2780768 Y CN 2780768Y
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- coking
- coke oven
- coke
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Abstract
The utility model relates to a continuous production vertical coke furnace, which is composed by the assembly of a plurality of furnace bodies, wherein burning chambers are arranged at both sides of a carbonizing chamber, the top of the carbonizing chamber is a feed inlet and the bottom is a coke outlet. The utility model is characterized in that a hollow cavity is arranged between the carbonizing chamber in the furnace body and the outer wall of the furnace body, and the hollow cavity is respectively divided into a moisture chamber, a raw gas collecting chamber, a burning chamber and a coke quenching cooling chamber from top to bottom by baffles. The moisture chamber, the raw gas collecting chamber and the burning chamber are respectively provided with gas removing openings, the burning chamber is provided with a fuel gas device and the coke quenching cooling chamber is provided with a cold port. The carbonizing chamber walls in the moisture chamber and the raw gas collecting chamber are provided with a plurality of venting holes, and the carbonizing chamber wall in the burning chamber is provided with a plurality of fire through holes. The carbonizing chamber is divided into a dry section, a preheating section, a dry distillation section, a coking section and a coke quenching cooling section by temperature, material is layered in the carbonizing chamber and each layer is composed of coke and dolomite or limestone. The utility model can desulfurize in the process of coking so as to reduce sulfur dioxide discharge amount to the atmosphere, can continuously produce, be multiply assembled, greatly increase production efficiency and increase the self environmental protection processing ability of the coke furnaces. The utility model can also reduce the proportioning of coke, increase the proportioning of faulty coal and coke powder, make full use of the large quantity of heat energy generated in coke furnace coking and effectively make use of coal resource.
Description
Technical field
The utility model belongs to the coke oven of a kind of continous way production metallurgy Jiao and foundry coke.Be particularly related to a kind of continuous production vertical coke oven.
Background technology
At present, the coke oven that in coking, coking enterprise, uses the vertical mechanical coke oven and build by laying bricks or stones mostly by refractory materials.Its structure is varied, can be divided into two kinds of internal heat type and external-heats from combustion system, internal heat type stove wherein, as various box coke ovens, but because it is long to exist the coking cycle, the defective that production efficiency is low, raw coal serious waste of resources, the byproduct rate of recovery are low etc. is difficult to overcome, thereby be subjected to country and ban.And in recent years, because box less investment, people carry out a large amount of improvement to box coke oven, to satisfy environmental protection, to reduce the resource consumption requirement, the interconnection type of recovery coke oven occurred not having, and have made moulded coal interconnection type coke oven etc. firm by ramming.So various clean interconnection type coke ovens have obtained very big development.As Chinese patent application number is 03215067.9 " a kind of heat accumulating type clean casting coke oven ", comprise the body of heater that constitutes by a plurality of fireholes, each firehole contains the coking chamber and the combustion chamber of communicating with each other by flue, be provided with the exhaust gas emission flue that communicates with the combustion chamber in the furnace wall between each firehole, furnace wall upper face in partition surface in the combustion chamber and the coking chamber is made the convex-concave shape, and at the bottom of combustion chamber laying grid gitter brick, improve the heat storage capacity of whole body of heater, satisfy the long needs of foundry coke coking time.And make moulded coal interconnection type coke oven firm by ramming is to have increased to make transportation of coal, briquette and shove charge firm by ramming on the basis of above modified form coke oven, and the coke pushing mechanical means of the discharging of the coke.Long for the above-described coking cycle, the defective that production efficiency is low still exists; Owing to increased a large amount of equipment such as dedusting, desulfurization, waste heat boiler and generating in the fume exhaust system coke oven outside, thus aspect the environmental protection and the minimizing wasting of resources again with very big technical progress.
External-heat Coke Oven Proper volume is little, and the coking cycle is short, and raw coal less wastage, byproduct easily can be received and can continuous production, more and more are subject to people's attention.Material, material suspension phenomenon work well in the stove.Good permeability material homogeneous heating in the stove, rate of heating are fast.As Chinese patent application number is 200320111095 " built-up type Formed Coke Furnace ".It belongs to the external-heat Formed Coke Furnace, comprises the combustion chamber of coking chamber and coking chamber both sides, at the bottom of a slope is arranged at the coking chamber bottom, a sealing partition wall is arranged between coking chamber and the combustion chamber wherein, is provided with gas combustion apparatus in side wall of combustion chamber.Make the interior formed coke molding mass of coking chamber realize the destructive distillation of real meaning, the raw material of having avoided the internal heat type destructive distillation to cause burns and loses and the spontaneous combustion of fugitive constituent and the atmospheric pollution that the tar burning forms, uniformity of temperature profile in the coking chamber, the formed coke steady quality, blackhead Jiao etc. can not occur, and the dry distillation gas in the coking chamber is easy to reclaim.The combustion chamber is divided into the gas combustion apparatus that several isolation burning zones that are interconnected and each are isolated the corresponding level of burning zone, the setting of this structure can with in the combustion chamber from vertically by the temperature subregion, and can implement to it at any time.Correspondingly can carry out subregion, and be divided into dryer section, preheating section, retort section and the stewing section of heat etc. thus the charing room temp.Can guarantee formed coke coking quality.Although above-mentioned vertical coke oven has been obtained many technical progress.And exist common deficiency be: 1, material is dosed by the top of coke oven, though be intermittently reinforced, opening reinforced part flue dust and the obnoxious flavour eliminating that always will have, influence environment and pollutes; 2, the positions in coke furnace carbonization chamber such as described dryer section, preheating section, retort section and the stewing section of heat are relative variations, and the waste gas such as incendiary carbonic acid gas, carbon monoxide and sulfurous gas of pyrogenous coal gas, the stewing section of heat, and the moisture of pre-thermogenesis or the like concentrates in the coking chamber, for the fume emission treatment capacity of coke oven is big, as the device and the ability of the non-processor flue gas of coke oven own.3, extracting cleaning coal gas still needs to carry out equipment such as desulfurization processing, and also can cause secondary environmental pollution in treating processes.Will increase many environmental protection equipments and a large amount of investments.4, the waste heat of coking by coke oven fails to be utilized better.
Summary of the invention
The utility model has designed a kind of continuous production vertical coke oven at the deficiency that above-mentioned prior art exists.But continuous production can many combinations, increase substantially production efficiency, separate coke furnace carbonization chamber gas with various that each section produces, and handle respectively or discharge, the environmental protection treatment ability of raising coke oven self; Reduce the proportioning of coking coal, improve the proportioning of low grade coal and coke powder, and make full use of a large amount of heat energy that produce in the coking by coke oven, effectively use coal resources.
A kind of continuous production vertical coke oven of the utility model design comprises body of heater, the furnace roof coal supply apparatus, furnace bottom go out the coke device; Body of heater is independently single, or is combined by several bodies of heater; Oven body part has furnace body outer wall, the intravital coking chamber of stove and combustion chamber; The combustion chamber is in the both sides of coking chamber, and the coking chamber top is a charging opening, and the bottom is for going out the coke mouth; It is characterized in that: the cavity in the body of heater between coking chamber and the furnace body outer wall, from top to bottom adopt division board to form moist room, collection raw gas chamber, combustion chamber and cooling quenching cooling room respectively, moist room, collection raw gas chamber and combustion chamber are respectively equipped with the air scavenge mouth, the combustion chamber is provided with gas combustion apparatus, and cold air is imported and exported on the quenching cooling room; In moist room, collection raw gas chamber, be provided with several ventilating pits on the coking chamber wall; The coking chamber wall is provided with several logical fire holes in the combustion chamber.
The air scavenge mouth of above-described combustion chamber can be communicated with moist room through collecting the raw gas chamber by pipeline; Be provided with the isolation refractory slab between coal gas and the pipeline in the gas chamber, refractory slab will make the coal gas in the gas chamber not contact pipeline.Make coal gas after burning, discharge body of heater like this, but this part gas is the emission gases of environmentally safe, its direct discharging can be reduced environmental protection equipment waste gas body treatment capacity in a large number with moisture, can saving equipment the energy expenditure of operation.
The corresponding raw gas chamber section of collecting can be provided with " fourth " font pipe in the above-described coking chamber, two mouths of pipe of transverse tube of " fourth " font pipe are contained on the coking chamber two side and are identical with collection raw gas chamber, and the vertical tube of " fourth " font pipe is in coking chamber center and the mouth of pipe on the coking section; " fourth " font tube wall is provided with several ventilating pits.Can improve and collect raw gas speed and gas production rate.
A kind of continuous production vertical coke oven that the utility model provides compared with prior art has the following advantages:
1, multi-stove bodies combination, continuous production has increased substantially production efficiency.
2, be outer-internal heat coke oven, the coking cycle is short, and the coking volatilization is few, the coke quality height of being produced.
3, utilize the layered structure of body of heater, and be divided into dryer section and preheating section, retort section, stewing section of heat, quenching cooling section with temperature in the coking chamber, separate variant section gas with various that produces in the coke furnace carbonization chamber, handle respectively or discharge, byproduct easily reclaims, and has improved the environmental protection treatment ability of coke oven self.
4, can reduce the proportioning of coking coal, improve the proportioning of low grade coal and coke powder.And make full use of a large amount of heat energy that produce in the coking by coke oven, save coal resources.
Description of drawings
Fig. 1 is that single type continuous production vertical coke oven and material are the layered structure structural representation at coking chamber;
Fig. 2 is combined continuous production vertical coke oven structural front view;
Fig. 3 is combined continuous production vertical coke oven structure side view;
Fig. 4 is combined continuous production vertical coke oven structure vertical view;
Fig. 5 is a continuous production vertical coke oven structure master sectional view;
Fig. 6 is a continuous production vertical coke oven structure side sectional view;
Fig. 7 is that dolly goes out coke apparatus structure master synoptic diagram;
Fig. 8 is that dolly goes out coke apparatus structure side synoptic diagram;
Fig. 9 is a moist room sealing-top structure master synoptic diagram;
Figure 10 is a moist room sealing-top structure side synoptic diagram;
Figure 11 is the moist room sealing-top structure master synoptic diagram of band ventilating pit;
Figure 12 is the moist room sealing-top structure side synoptic diagram of band ventilating pit;
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model.
Shown in Figure 1, single type continuous production vertical coke oven structural representation.Body of heater is independent, and oven body part 1 has furnace body outer wall 101, intravital coking chamber 102 of stove and combustion chamber 103; The combustion chamber is in the both sides of coking chamber, and the coking chamber top is a charging opening 104, and the bottom is for going out coke mouth 105; Cavity in the body of heater between coking chamber and the furnace body outer wall, from top to bottom adopt division board 100 to form moist room 106 respectively, collect raw gas chamber 107, combustion chamber and quenching cooling room 108, moist room, collection raw gas chamber and combustion chamber are respectively equipped with air scavenge mouth 109,110, the combustion chamber is provided with gas combustion apparatus 111, and cold air imports and exports 112 on the quenching cooling room; On moist room, collection raw gas chamber, middle coking chamber wall, be provided with several ventilating pits 113; The coking chamber wall is provided with several logical fire holes 114 in the combustion chamber.Shown in Figure 5, the air scavenge mouth of combustion chamber is communicated with moist room through collecting the raw gas chamber by pipe 115 roads; Be provided with between coal gas and the pipeline in the gas chamber and isolate refractory slab 116.The corresponding raw gas chamber section of collecting is provided with " fourth " font pipe 117 in the coking chamber, two mouths of pipe of transverse tube of " fourth " font pipe are contained on the coking chamber two side and are identical with collection raw gas chamber, and the vertical tube of " fourth " font pipe is in coking chamber center and the mouth of pipe on the coking section; " fourth " font tube wall is provided with several ventilating pits.Dividing plate between combustion chamber and the quenching cooling room is provided with several gas combustion apparatus that leads to the combustion chamber 111.Perhaps the front and back furnace body outer wall of combustion chamber is provided with the gas combustion apparatus that several lead to the combustion chamber; The gas inlet of combustion unit is connected with quenching cooling room air outlet.
Fig. 1 and shown in Figure 5 is divided into dryer section and preheating section, retort section, stewing section of heat, quenching cooling section with temperature in the coking chamber, and material is layered structure at coking chamber, and two interlayers clamp one deck sealing ply 120.In order to make coke oven desulfurization in process of coking, reduce sulphur dioxide emission in atmosphere, each layer of material is made of with the rhombspar or the Wingdale 119 that comparatively approach the comparatively thick coking coal 118 of one deck in the coking chamber.
Fig. 2, Fig. 3 and shown in Figure 4, the combined continuous production vertical coke oven that combines by several bodies of heater.Body of heater is formed skeleton construction 6 by steel construction piece or concrete member, builds by laying bricks or stones with brick and refractory materials to form.The top of body of heater and middle part are provided with workplatform 5.Lay track on furnace roof portion steel construction piece or the concrete member, and the dolly that transports with charge material is arranged is furnace roof coal supply apparatus 2, is equipped with on the dolly and makes screwdown gear 3 firm by ramming, make screwdown gear firm by ramming and form by hydraulic ram that has pressing plate and hydraulic power unit.Side at coke oven is provided with the tower 4 of coalingging, and is used for adorning in dolly material.Be provided with out coke device 7 at bottom of furnace body.
Fig. 5 and shown in Figure 6 goes out the working spaces 704 of pumping plant and oil cylinder under slope board 701 that coke device 7 comprises two-way front and back, turnover panel 702, oil cylinder 703, the slope board; Below coking chamber with turnover panel is housed above the slope, dress is opened the oil cylinder of closing in the working spaces, below oil cylinder piston end and the turnover panel with being hinged.The working spaces is provided with door 705.
Fig. 7 and shown in Figure 8 goes out the coke device and comprises dolly 710, turnover panel 711, oil cylinder 712.Turnover panel is housed below coking chamber, opens the oil cylinder of closing at the both sides wall, below oil cylinder piston end and the turnover panel with being hinged.Dolly place reprint below.
Fig. 9 and shown in Figure 10, described moist room 130 cross sections that bind are " people " font, make the opening for feed of coking chamber be upwards hydraucone like this, are convenient to adorn material.
Figure 11 and shown in Figure 12, described moist room charing locular wall that 130 cross sections are " people " font that binds is provided with ventilating pit 131, and the skew wall of coking chamber is provided with and prevents that material from entering the curtain 132 in the ventilating pit.
A kind of continuous production that the utility model provides has the coke oven of vertical pipe type coking chamber, adopts layering filling coking coal and rhombspar or limestone material in the coking chamber.Use coke oven of the present utility model produce coke simultaneously can composite fertilizer material and byproduct such as albarium, make full use of the heat energy of process of coking, effectively saved coal resources.Coke oven of the present utility model also can be used for the production of formed coke.
Claims (11)
1, a kind of continuous production vertical coke oven comprises body of heater, the furnace roof coal supply apparatus, furnace bottom go out the coke device; Body of heater is independently single, or is combined by several bodies of heater; Oven body part has furnace body outer wall, the intravital coking chamber of stove and combustion chamber; The combustion chamber is in the both sides of coking chamber, and the coking chamber top is a charging opening, and the bottom is for going out the coke mouth; It is characterized in that: the cavity in the body of heater between coking chamber and the furnace body outer wall, from top to bottom adopt division board to form moist room, collection raw gas chamber, combustion chamber and cooling quenching cooling room respectively, moist room, collection raw gas chamber and combustion chamber are respectively equipped with the air scavenge mouth, the combustion chamber is provided with gas combustion apparatus, and cold air is imported and exported on the quenching cooling room; In moist room, collection raw gas chamber, be provided with several ventilating pits on the coking chamber wall; The coking chamber wall is provided with several logical fire holes in the combustion chamber.
2, a kind of continuous production vertical coke oven according to claim 1 is characterized in that the air scavenge mouth of described combustion chamber is communicated with moist room through collecting the raw gas chamber by pipeline; Be provided with the isolation refractory slab between coal gas and the pipeline in the gas chamber.
3, a kind of continuous production vertical coke oven according to claim 1, it is characterized in that the corresponding raw gas chamber section of collecting is provided with " fourth " font pipe in the described coking chamber, two mouths of pipe of transverse tube of " fourth " font pipe are contained on the coking chamber two side and are identical with collection raw gas chamber, and the vertical tube of " fourth " font pipe is in coking chamber center and the mouth of pipe on the coking section; " fourth " font tube wall is provided with several ventilating pits.
4, a kind of continuous production vertical coke oven according to claim 1 is characterized in that the dividing plate between described combustion chamber and the quenching cooling room is provided with the gas combustion apparatus that several lead to the combustion chamber.
5, a kind of continuous production vertical coke oven according to claim 1 is characterized in that the front and back furnace body outer wall of described combustion chamber is provided with the gas combustion apparatus that several lead to the combustion chamber; The gas inlet of combustion unit is connected with quenching cooling room air outlet.
6, a kind of continuous production vertical coke oven according to claim 1 is characterized in that described furnace roof portion is provided with and is used to make firm by ramming and to the screwdown gear of making firm by ramming that presses down material.
7, a kind of continuous production vertical coke oven according to claim 1 is characterized in that the described working spaces that goes out pumping plant and oil cylinder under slope board that the coke device comprises two-way front and back, turnover panel, oil cylinder, the slope board; Below coking chamber with turnover panel is housed above the slope, dress is opened the oil cylinder of closing in the working spaces, below oil cylinder piston end and the turnover panel with being hinged.
8, a kind of continuous production vertical coke oven according to claim 1, it is characterized in that in the described coking chamber being divided into dryer section and preheating section, retort section, coking section, quenching cooling section with temperature, material presents layered structure at coking chamber, and two interlayers clamp one deck sealing ply.
9, a kind of continuous production vertical coke oven according to claim 8, each layer that it is characterized in that material in the described coking chamber is made of one deck coking coal and one deck rhombspar or Wingdale.
10, a kind of continuous production vertical coke oven according to claim 1 is characterized in that the described moist room cross section that binds is " people " font, makes the opening for feed of coking chamber be upwards hydraucone like this.
11, a kind of continuous production vertical coke oven according to claim 10, the charing locular wall that it is characterized in that binding described moist room cross section is " people " font is provided with ventilating pit, and the skew wall of coking chamber is provided with and prevents that material from entering the curtain in the ventilating pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520023605 CN2780768Y (en) | 2005-03-12 | 2005-03-12 | Continuous production vertical coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520023605 CN2780768Y (en) | 2005-03-12 | 2005-03-12 | Continuous production vertical coke oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2780768Y true CN2780768Y (en) | 2006-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520023605 Expired - Fee Related CN2780768Y (en) | 2005-03-12 | 2005-03-12 | Continuous production vertical coke oven |
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| CN (1) | CN2780768Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104830398A (en) * | 2014-02-12 | 2015-08-12 | 北京神雾环境能源科技集团股份有限公司 | Desulfurization and quality-improving method of high-sulfur low-rank coal |
| CN108137405A (en) * | 2015-10-06 | 2018-06-08 | 勒瓦研究开发股份有限公司 | The stove that the method for Minerals And Rocks is calcined in the vertical blast furnace of regenerative cocurrent and is used |
-
2005
- 2005-03-12 CN CN 200520023605 patent/CN2780768Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104830398A (en) * | 2014-02-12 | 2015-08-12 | 北京神雾环境能源科技集团股份有限公司 | Desulfurization and quality-improving method of high-sulfur low-rank coal |
| CN104830398B (en) * | 2014-02-12 | 2017-07-25 | 神雾环保技术股份有限公司 | The method of high sulphur occurring low rank coal desulfurization upgrading |
| CN108137405A (en) * | 2015-10-06 | 2018-06-08 | 勒瓦研究开发股份有限公司 | The stove that the method for Minerals And Rocks is calcined in the vertical blast furnace of regenerative cocurrent and is used |
| CN108137405B (en) * | 2015-10-06 | 2021-10-08 | 勒瓦研究开发股份有限公司 | Method for calcining mineral rock in regenerative parallel-flow vertical blast furnace and furnace used therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060517 |