CN201762281U - Coal-charging and coke-pushing dust removal device for coke ovens - Google Patents
Coal-charging and coke-pushing dust removal device for coke ovens Download PDFInfo
- Publication number
- CN201762281U CN201762281U CN2009203162106U CN200920316210U CN201762281U CN 201762281 U CN201762281 U CN 201762281U CN 2009203162106 U CN2009203162106 U CN 2009203162106U CN 200920316210 U CN200920316210 U CN 200920316210U CN 201762281 U CN201762281 U CN 201762281U
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- coke
- dedusting
- charging
- dust removal
- pushing
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Abstract
The utility model discloses a coal-charging and coke-pushing dust removal device for coke ovens, which can be suitable for various oven banks. The device comprises an adjustable-speed fan, a dust remover, and a coke-pushing dust removal main pipe and a coal-charging dust removal main pipe which are respectively connected to the dust remover; the dust remover comprises four groups of dust removal bins; the coke-pushing dust removal main pipe is connected with the four groups of the dust removal bins respectively in a one-to-one correspondence manner through coke-pushing dust removal branch pipes provided with control valves, similarly, coal-charging dust removal branch pipes provided with control valves are connected to the positions in front of the dust removal bin and behind the control valves on the corresponding coke-pushing dust removal branch pipes via the coal-charging dust removal main pipe; in addition, a compressed air main pipe serves as a common compressed air source and is connected with the four groups of the dust removal bins in a one-to-one correspondence manner through reverse blowing branch pipes provided with control valves. The device is less in occupied area, small in investment and lower in running cost, and can meet the requirement that all coke ovens achieve the purpose of directly using the coke-pushing dust as the coal-charging dust removal pre-spraying powder and solve the problem of difficulty in reverse blowing, therefore, the comprehensive dust removal device is provided for clean, efficient and low-consumption production of various coke ovens in the coking industry.
Description
Technical field
The utility model relates to metallurgy industry environmental improvement field, especially a kind of cleaning apparatus that is suitable for administering all coke oven coke-pusher coal-charging smokes.
Background technology
Coking industry is one of most important high pollution industry in all industrial enterprises.In the coke oven production process, it is coaling, coke pushing, quenching, pluck fire door, open the hazardous and noxious substances such as solid suspension, benzene solvend, benzopyrene that contain in a large number that produce in the operating process such as upcast lid and drain in the atmosphere, surrounding environment is caused very big pollution, bigger to resident and the post operation workers ' health harm of living on every side simultaneously.When coke oven was produced, the hazardous and noxious substances that produces in its coke pushing, the process of coalingging accounted for the overwhelming majority of the hazardous and noxious substances of all coke oven productions generations.Therefore, how effectively administering the hazardous and noxious substances that coke oven coke-pusher is coaling and produced, is the difficult problem of pendulum in face of current numerous coking environmentalists.
Current coke oven of having gone into operation generally adopts to be built the coaling mode of ground station for dust removal of coke pushing and administers the coke pushing coal-charging smoke, coke pushing dust collection for charging terrestrial station adopts two kinds of forms usually: the one, and split type cleaning apparatus, be coke pushing, coaling and respectively build a cover ground station for dust removal, this method is the most general mode that the present coke oven of having gone into operation adopts, better to coke pushing, the smoke gas treatment effect of coalingging, its shortcoming is that floor space is wide, investment is high, running cost is high; The 2nd, two-in-one cleaning apparatus, coke pushing soon, the ground station for dust removal of coalingging unite two into one, a common fly-ash separator, the typhoon machine of using, coke-pusher smoke and coaling flue gas separately or enter fly-ash separator together, its principle is that the coke pushing flue gas and the flue gas of coalingging alternately enter fly-ash separator, and, can save the pre-spray procedure in the architomia formula dust collection for charging to be adsorbed on coke powder in the coke pushing flue gas on the dust-removal cloth-bag as the pre-spraying powder of dust collection for charging.The shortcoming that occupation of land is wide, investment is high that the second way exists because of efficiently solving split type cleaning apparatus is just progressively promoted at present.
But the second way but is not suitable for long tamping coke furnace stove group of many, single furnace operating times of coking chamber hole count, because this kind coke oven stove group certainly exists following Special Circumstances: the timed interval of (1) coke oven coke-pusher and another coke oven coal-charging differs too short; (2) coke oven coke-pushers, another coke oven coal-chargings carry out simultaneously; (3) two coke oven coal-chargings carry out simultaneously.At these in particular cases, the coke-pusher smoke and the flue gas of coalingging are not alternately to enter fly-ash separator, can't realize that the coke powder that coke pushing is produced is adsorbed on the purpose that sprays powder on the cloth bag as dust collection for charging in advance, and can't realize that dust collection for charging finishes the purpose that the back uses the recoil function that the dust that adsorbs on the cloth bag is blown off, and then cause the dust-removal cloth-bag rate of decay very fast.
A kind ofly can solve the problem that split type dust removing station station ground is wide, investment is high, running cost is high of setting up if can design, can solve traditional two-in-one dedusting again and can't satisfy the novel coke pushing coal charging and dust removing device that is applicable to all type of furnace coke ovens that all coke ovens realization coke pushing dust directly spray powder in advance and can satisfy the effective blowback problem of cloth bag as dust collection for charging, must be the better selection that science is administered all coke oven coal-charging pushing flue dust.
The utility model content
In order to overcome the deficiency that existing two-in-one cleaning apparatus can't be applicable to tamping coke furnace stove group, technical problem to be solved in the utility model provides a kind of coke oven coal-charging pushing cleaning apparatus that also can be suitable for various coke oven stove groups.
The technical scheme that its technical problem that solves the utility model adopts is: the coke oven coal-charging pushing cleaning apparatus, comprise adjustable speed fan, fly-ash separator and be connected to the coke pushing dedusting house steward and the dust collection for charging house steward of fly-ash separator, described fly-ash separator is made up of four groups of dedusting storehouses, coke pushing dedusting house steward and dust collection for charging house steward the coke pushing dedusting arm by being provided with control valve and dust collection for charging arm and four groups of dedusting storehouses respectively connect one to one, and four groups of dedusting storehouses are connected with compressed air source by control valve respectively.
Pipe coupling coke pushing dedusting house steward and corresponding dedusting storehouse are propped up in described coke pushing dedusting, and described dust collection for charging arm is connected to the position before the dedusting storehouse, behind the control valve on the corresponding coke pushing dedusting arm by the dust collection for charging house steward.
If a pneumatic manifold as shared compressed air source, connects one to one by blowback arm and the four groups of dedusting storehouses that are provided with control valve.
Described every group of dedusting storehouse is a dedusting storehouse, or combined by a plurality of small-sized dedustings storehouse.
The beneficial effects of the utility model are: the flow direction of controlling coal-charging smoke and coke pushing flue gas by each control valve of ingenious arrangement and arm, with a cover dedusting fan, fly-ash separator and compressed air source, the coke-pusher smoke and the flue gas of coalingging alternately enter fly-ash separator, dedusting requirement and blowback requirement under the various running conditions of oven battery have been satisfied, can solve and set up split type dust removing station and take up an area of wide, investment is high, the problem that running cost is high, can solve traditional two-in-one dedusting method again and can't satisfy all coke ovens realization coke pushing dust directly spray powder and blowback cloth bag difficulty in advance as dust collection for charging problem, be that each Formed Coke Furnace of coking industry realizes cleaning, efficiently, low consumption is produced provides a kind of combined dust-eliminating device.
Description of drawings
Fig. 1 is the connection diagram of cleaning apparatus of the present utility model.
Be labeled as 1-fly-ash separator, 2-coke pushing dedusting house steward among the figure, 3-dust collection for charging house steward, 4-dust collection for charging arm control valve, 5-coke pushing dedusting arm control valve, 6-blowback arm control valve, the 7-pneumatic manifold, 20-coke pushing dedusting arm, 30-dust collection for charging arm, 70-blowback arm, 11～14-, first to fourth dedusting storehouse serial number, 41～44,51～54,61～64-control valve numbering.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As shown in Figure 1, coke oven coal-charging pushing cleaning apparatus of the present utility model, comprise adjustable speed fan, fly-ash separator 1 and the coke pushing dedusting house steward 2 and the dust collection for charging house steward 3 that are connected to fly-ash separator 1, described fly-ash separator 1 is by four groups of dedusting storehouses 11,12,13,14 form, coke pushing dedusting house steward 2 is by being provided with control valve 51,52,53,54 coke pushing dedusting arm 20 and four groups of dedusting storehouses 11,12,13,14 connect one to one, be provided with control valve 41 equally, 42,43,44 dust collection for charging arm 30 is connected on the corresponding coke pushing dedusting arm 20 before the dedusting storehouse by dust collection for charging house steward 3, control valve 51,52,53, position after 54, other has a pneumatic manifold 7 as shared compressed air source, by blowback arm 70 and the four groups of dedusting storehouses 11 that are provided with control valve, 12,13,14 connect one to one.
The utility model is controlled the flow direction of coal-charging smoke and coke pushing flue gas by each control valve of ingenious arrangement and arm, with cover dedusting fan, fly-ash separator and a compressed air source, dedusting requirement and blowback requirement under the various running conditions of oven battery have been satisfied, can solve and set up the problem that ground, split type dust removing station station is wide, investment is high, running cost is high, can solve traditional two-in-one dedusting again and can't satisfy all coke ovens realization coke pushing dust directly spray powder and blowback cloth bag difficulty in advance as dust collection for charging problem.
Embodiment:
Fly-ash separator storehouse number and each storehouse size are determined:
Fly-ash separator storehouse number is determined: by Theoretical Calculation as can be known, the production of same seat coke oven, the fume amount that coke pushing produces is about more than three times of flue gas of coalingging and producing; Numerous supporting coke pushings of coke oven of having gone into operation, the split type terrestrial station design fly-ash separator processing power of coalingging are also all according to this gross data.For this reason, design fly-ash separator storehouse number is four groups, and each group dedusting storehouse size is consistent.A big dedusting storehouse can be selected to be designed in each group dedusting storehouse, also can select to be designed to a plurality of little dedustings storehouse and be combined as a big dedusting storehouse.
Each dedusting storehouse size is determined: according to the coke oven type of furnace and the coal capacity selected, the exhaust gas volumn that Theoretical Calculation goes out to coaling and can produce is determined the processing area in every group of dedusting storehouse again, and is determined respectively to organize dedusting storehouse size according to this processing area at last according to this exhaust gas volumn.
The dedusting design of pipe networks: the pipe network size is determined with the theoretical exhaust gas volumn that produces of coalingging according to the theoretical fume amount that produces of selected coke oven coke-pusher.Coke pushing, dust collection for charging outside ductwork are arranged apart until the fly-ash separator Link Port, this and the split type dust removing station coke pushing, the dust collection for charging outside ductwork basically identical that generally adopt at present, but do not design any by-pass valve control on coke pushing dedusting house steward 2 and the dust collection for charging house steward 3.The two is communicated with the one or both sides in the four groups of dedusting storehouses 11,12,13,14 by coke pushing dedusting arm 20, dust collection for charging arm 30 and fly-ash separator 1 respectively, and installation can be respectively dust collection for charging arm control valve 4 and coke pushing dedusting arm control valve 5 by the control valve of sequence check switch on each arm.But for easy construction with reduce cost, preferably select only to be communicated with, and must guarantee that the spacing between coke pushing dedusting arm control valve 5 and the fly-ash separator 1 can install dust collection for charging arm 30 with a side of fly-ash separator 1.
Dust collection for charging arm 30 can an end be connected on the dust collection for charging house steward 3 and the other end is connected on the Link Port in corresponding dedusting storehouse; As shown in Figure 1, dust collection for charging house steward 3 also can prop up form of tubes and link to each other with coke pushing dedusting arm 20 is corresponding one by one, the dedusting arm 30 of promptly coalingging is connected on the corresponding coke pushing dedusting arm 20 by dust collection for charging house steward 3, after the coke pushing dedusting arm control valve 5 that the position of its tie point should be provided with on coke pushing dedusting arm 20, before the corresponding dedusting storehouse, the convenient the utility model of using has only the dedusting storehouse of a Link Port to transform to existing.
Rotation speed of fan is selected under adjustable speed fan processing power and the different condition:
The adjustable speed fan processing power is determined: the adjustable speed fan processing power must satisfy the condition of handling a coke oven coal-charging flue gas, a coke oven coke-pusher smoke simultaneously.
Rotation speed of fan is determined under the different condition: rotation speed of fan divides high, medium and low three ranks, must reach the ability of handling a coke oven coal-charging flue gas, a coke oven coke-pusher smoke simultaneously at a high speed; Middling speed must reach handles coaling the simultaneously ability of the flue gas that produces of two coke ovens simultaneously; Low speed then is no coke pushing, the minimum speed of blower fan when coalingging operation; And regulation: as long as receive the dust collection for charging signal, then middling speed operation of blower fan; As long as receive coke pushing dedusting signal, blower fan is high-speed cruising then; And under any condition, coke pushing dedusting signal priority decision rotation speed of fan.
The operation design of control program:
Coke pushing dedusting signal only determines the dedusting fan rotating speed to become at a high speed.The dust collection for charging signal be the more important thing is the action of decision dust collection for charging arm control valve 4 (valve 41, valve 42, valve 43, valves 44), coke pushing dedusting arm control valve 5 (valve 51, valve 52, valve 53, valve 54), blowback arm control valve 6 (valve 61, valve 62, valve 63, valve 64) except that the decision rotation speed of fan.After dust-removal system received coke pushing dedusting signal, blower fan changeed high-speed cruising immediately, and this moment, coke-pusher smoke directly entered each dedusting storehouse 11～14 by coke pushing dedusting house steward 2 under the effect of the suction that blower fan produces; After dust-removal system receives the dust collection for charging signal, blower fan changes the middling speed operation immediately, meanwhile, select a certain dedusting storehouse, as N dedusting storehouse as the dust collection for charging storehouse, then close with the opening of valves on the dust collection for charging arm 30 of correspondence and with the valve on the coke pushing dedusting arm 20 of correspondence, the dust collection for charging flue gas enters this dedusting storehouse separately and carries out dedusting under the effect of the suction of blower fan production; After the dust collection for charging signal ended, two valves that system's immediate instruction is opened on the corresponding blowback arm 60 in this dedusting storehouse and " N+3 " dedusting storehouse (for conveniently carrying out time variable control, can be provided with when N+3 〉=4, N replaces divided by 4 remainder with N) begin blowback; After blowback finished, system's immediate instruction was closed the valve on the dust collection for charging arm 30 of this dedusting storehouse correspondence and with the opening of valves on the coke pushing dedusting arm 20 of correspondence.
Adopt this operation process technology, can solve the problem that ground, split type dust removing station station is wide, investment is high, running cost is high of setting up, can solve traditional two-in-one dedusting again and can't satisfy all coke ovens realization coke pushing dust directly spray powder and blowback cloth bag difficulty in advance as dust collection for charging problem, have the characteristics of safety, economy, environmental protection.
Wherein, valve 41, valve 42, valve 43, valve 44 original states are complete shut-down, and valve 51, valve 52, valve 53, valve 54 original states are standard-sized sheet, and valve 61, valve 62, valve 63, valve 64 original states are complete shut-down.
After dust-removal system was received coke pushing dedusting signal for the first time, rotation speed of fan uprised speed, and coke-pusher smoke directly enters fly-ash separator 1 by valve 51, valve 52, valve 53, valve 54, coke pushing signal ended rear fan rotating speed step-down speed.
After dust-removal system is received the dust collection for charging signal for the first time, rotation speed of fan becomes middling speed, valve 51 passes, valve 41 leave simultaneously, the flue gas of coalingging enters the first dedusting storehouse 11 by valve 41, after the signal ended of coalingging, blower fan step-down speed, valve 61, valve 64 leave simultaneously, begin blowback is carried out in the first dedusting storehouse 11, the 4th dedusting storehouse 14, blowback finishes back valve 41 passes, valve 51 leaves.
After dust-removal system was received coke pushing dedusting signal for the second time, rotation speed of fan uprised speed, and coke-pusher smoke directly enters fly-ash separator 1 by valve 51, valve 52, valve 53, valve 54, coke pushing signal ended rear fan rotating speed step-down speed.
After dust-removal system is received the dust collection for charging signal for the second time, rotation speed of fan becomes middling speed, valve 52 passes, valve 42 leave simultaneously, the flue gas of coalingging enters the second dedusting storehouse 12 by valve 42, after the signal ended of coalingging, blower fan step-down speed, valve 62, valve 61 leave simultaneously, begin blowback is carried out in the second dedusting storehouse 12, the first dedusting storehouse 11, blowback finishes back valve 42 passes, valve 52 leaves.
After dust-removal system was received coke pushing dedusting signal for the third time, rotation speed of fan uprised speed, and coke-pusher smoke directly enters fly-ash separator 1 by valve 51, valve 52, valve 53, valve 54, coke pushing signal ended rear fan rotating speed step-down speed.
After dust-removal system is received the dust collection for charging signal for the third time, rotation speed of fan becomes middling speed, valve 53 passes, valve 43 leave simultaneously, the flue gas of coalingging enters the 3rd dedusting storehouse 13 by valve 43, after the signal ended of coalingging, blower fan step-down speed, valve 63, valve 62 leave simultaneously, begin blowback is carried out in the 3rd dedusting storehouse 13, the second dedusting storehouse 12, blowback finishes back valve 43 passes, valve 53 leaves.
After dust-removal system was received coke pushing dedusting signal the 4th time, rotation speed of fan uprised speed, and coke-pusher smoke directly enters fly-ash separator 1 by valve 51, valve 52, valve 53, valve 54, coke pushing signal ended rear fan rotating speed step-down speed.
After dust-removal system is received the dust collection for charging signal the 4th time, rotation speed of fan becomes middling speed, valve 54 passes, valve 44 leave simultaneously, the flue gas of coalingging enters the 4th dedusting storehouse 14 by valve 44, after the signal ended of coalingging, blower fan step-down speed, valve 64, valve 63 leave simultaneously, begin blowback is carried out in the 4th dedusting storehouse 14, the 3rd dedusting storehouse 13, blowback finishes back valve 44 passes, valve 54 leaves.
More than be a round-robin running example, later on by moving so repeatedly with cocycle.
This dust collecting process technology satisfies a coke oven coke-pusher equally, a coke oven coal-charging carries out and two Special Circumstances that coke oven coal-charging carries out simultaneously simultaneously.Be described below:
In certain the coke oven coke-pusher process, corresponding dust-removal system operation scheme is: rotation speed of fan is high speed, valve 51, valve 52, valve 53, valve 54 standard-sized sheets, valve 41, valve 42, valve 43, valve 44 complete shut-downs, coke-pusher smoke is by valve 51, valve 52, valve 53, valve 54 enters each dedusting storehouse of fly-ash separator 1, if another coke oven begins to coaling in the coke-pushing process, after dust-removal system is received the dust collection for charging signal, rotation speed of fan has been at a high speed (as long as because of stipulating to have coke pushing dedusting signal, rotation speed of fan is at a high speed), at this moment, the dust collection for charging arm control valve of a certain dedusting storehouse correspondence is opened and the coke pushing dedusting arm control valve of correspondence is closed, the dust collection for charging flue gas then enters this dedusting storehouse, and coke-pusher smoke then continues to enter other three dedusting storehouses, is independent of each other.
In certain the coke oven coal-charging process, corresponding dust-removal system operation scheme is: rotation speed of fan is a middling speed, and the dust collection for charging manifold valve of N dedusting storehouse correspondence is opened and corresponding coke pushing dedusting manifold valve is closed, and the flue gas of coalingging directly enters N group dedusting storehouse and carries out dedusting; In the process of coalingging, if another coke oven coal-charging begins, after dust-removal system is received second dust collection for charging signal, this moment, rotation speed of fan was a middling speed, system will directly open the dust collection for charging manifold valve of N+1 group storehouse correspondence and the coke pushing dedusting manifold valve of correspondence will be closed, and the flue gas of coalingging this moment carries out dedusting with entering N and N+1 storehouse simultaneously, for conveniently carrying out time variable control, can be provided with when N=4, N replaces divided by 4 remainder 0 with N.
Claims (4)
1. coke oven coal-charging pushing cleaning apparatus, comprise adjustable speed fan, fly-ash separator (1) and be connected to the coke pushing dedusting house steward (2) and the dust collection for charging house steward (3) of fly-ash separator (1), it is characterized in that: described fly-ash separator (1) is by four groups of dedusting storehouses (11,12,13,14) form, coke pushing dedusting house steward (2) and dust collection for charging house steward (3) be coke pushing dedusting arm (20) and the dust collection for charging arm (30) and four groups of dedusting storehouses (11 by being provided with control valve respectively, 12,13,14) connect one to one four groups of dedusting storehouses (11,12,13,14) be connected with compressed air source by control valve respectively.
2. coke oven coal-charging pushing cleaning apparatus as claimed in claim 1, it is characterized in that: described coke pushing dedusting arm (20) connects coke pushing dedusting house steward (2) and corresponding dedusting storehouse, and described dust collection for charging arm (30) is connected to the position before the dedusting storehouse, behind the control valve on the corresponding coke pushing dedusting arm (20) by dust collection for charging house steward (3).
3. coke oven coal-charging pushing cleaning apparatus as claimed in claim 1 or 2, it is characterized in that: establish a pneumatic manifold (7) as shared compressed air source, connect one to one by blowback arm (70) and the four groups of dedusting storehouses (11,12,13,14) that are provided with control valve.
4. coke oven coal-charging pushing cleaning apparatus as claimed in claim 1 or 2 is characterized in that: described every group of dedusting storehouse (11,12,13,14) is a dedusting storehouse, or combined by a plurality of small-sized dedustings storehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203162106U CN201762281U (en) | 2009-11-30 | 2009-11-30 | Coal-charging and coke-pushing dust removal device for coke ovens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203162106U CN201762281U (en) | 2009-11-30 | 2009-11-30 | Coal-charging and coke-pushing dust removal device for coke ovens |
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| Publication Number | Publication Date |
|---|---|
| CN201762281U true CN201762281U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203162106U Expired - Fee Related CN201762281U (en) | 2009-11-30 | 2009-11-30 | Coal-charging and coke-pushing dust removal device for coke ovens |
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| Country | Link |
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| CN (1) | CN201762281U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446598A (en) * | 2016-05-31 | 2017-12-08 | 宝山钢铁股份有限公司 | A kind of method for controlling coke oven coal-charging dry method dust benzo-pyrene emission |
| CN109401764A (en) * | 2018-11-29 | 2019-03-01 | 临涣焦化股份有限公司 | A kind of coke oven furnace side dust-extraction unit |
-
2009
- 2009-11-30 CN CN2009203162106U patent/CN201762281U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446598A (en) * | 2016-05-31 | 2017-12-08 | 宝山钢铁股份有限公司 | A kind of method for controlling coke oven coal-charging dry method dust benzo-pyrene emission |
| CN109401764A (en) * | 2018-11-29 | 2019-03-01 | 临涣焦化股份有限公司 | A kind of coke oven furnace side dust-extraction unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20161130 |