CN102041012B - Full-fluidized jet fluidized bed damping machine and novel damping process - Google Patents
Full-fluidized jet fluidized bed damping machine and novel damping process Download PDFInfo
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- CN102041012B CN102041012B CN201010621937A CN201010621937A CN102041012B CN 102041012 B CN102041012 B CN 102041012B CN 201010621937 A CN201010621937 A CN 201010621937A CN 201010621937 A CN201010621937 A CN 201010621937A CN 102041012 B CN102041012 B CN 102041012B
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Abstract
The invention discloses a full-fluidized jet fluidized bed damping machine and a novel damping process using the damping machine in the preparation of charging coal, belong to the technical field of coking coal preprocessing of a coking plant. The damping machine comprises a shell arranged at the upper part, a machine body arranged at the lower part, a bed body which is arranged between the shell and the machine body and is respectively connected with the shell and the machine body, and a support used for fixing the shell, the bed body and the machine body, wherein the shell is provided with a feeding port and an exhaust gas discharger; the machine body comprises a plurality of independent air chambers, the air chambers are provided with thermal fluid delivery pipe interfaces; and the bed body is provided with a fluid distributor and a discharging port which is arranged at one end of the fluid distributor. The coking coal and the coke oven flue gas exchange heat directly in the damping machine, and the charging coal after the drying is transported to a coke oven coal tower for the production of coking. According to the invention, the heat exchange efficiency can be significantly enhanced, and the coal is fluidized in the damping machine without changing the size fraction and size distribution of the coal fed into the damping machine.
Description
Technical field
The present invention is mainly concerned with the pretreated technical field of coke-oven plant's coking coal, and particularly a kind of full boiling is sprayed the fluidized-bed damping machine and adopted this damping machine to prepare the damping novel process of shove charge coal.
Background technology
At present; Coking coal is carried out humidity control device that drying makes the shove charge coal, and mostly to adopt steam be thermal source; Not only invest higherly, and the working cost of device is higher, and to adopt coke oven flue gas be the coal humidity control device of thermal source to part; Low or changed the initial grade of coal charge because of its heat transfer efficiency, its effect is still waiting to improve.Therefore, how improving with coke oven flue gas is the heat transfer efficiency of the coal humidity control device of thermal source, guarantees that dry back shove charge moisture content of coal reaches target value set and keeps substantially constant, is problem demanding prompt solution.
Summary of the invention
In order to solve the problems of the technologies described above, the present invention provides a kind of full boiling to spray the fluidized-bed damping machine, and a kind of damping novel process that adopts this damping machine to prepare the shove charge coal is provided simultaneously.
Its technical solution is:
The fluidized-bed damping machine is sprayed in a kind of full boiling, and comprise the housing, the body that is arranged on the bottom that are arranged on top, be arranged between housing and the body and the bed body that is connected with the two respectively, and the support that is used for fixing housing, bed body and body; Said housing is provided with opening for feed and exhaust extractor, and said body comprises a plurality of independent air chambers, and air chamber is provided with hot-fluid transport pipe interface, and said bed body is provided with fluid distributor and the discharge gate that is positioned at fluid distributor one end.
The number of above-mentioned air chamber is set to 2～10, and the top of air chamber is connected and forms the gas passage that gets into cavity between housing and the bed body with fluid distributor, and the bottom of air chamber is provided with Lou material relief outlet.
Above-mentioned fluid distributor is the plane plate structure, is provided with perforate above that, and percentage of open area is successively decreased to the position near discharge gate by the position over against opening for feed step by step.
Above-mentioned exhaust extractor is arranged on the top of housing, between exhaust extractor, is provided with dividing plate, and said dividing plate is separated the cavity between housing and the bed body.
Above-mentioned opening for feed place adopts star-shaped feeding machine feed and sealing, and above-mentioned discharge gate place adopts worm conveyor discharge and sealing, and above-mentioned leakage material relief outlet place adopts worm conveyor discharge and sealing.
Also being provided with high-temperature gas on the above-mentioned housing mends into device and explosionproof hole.
Be equipped with temperature, pressure-detecting device in the cavity in the above-mentioned air chamber and between housing and the bed body, said temperature, pressure-detecting device link to each other with the system that PLC and DOS form respectively.
A kind of damping novel process for preparing coking shove charge coal may further comprise the steps:
Choose the coking coal raw material; With it successively after coal blending device and shredding unit are handled; Be delivered in the full boiling injection fluidized-bed damping machine and and carry out direct heat exchange with the coke oven flue gas that from the air chamber of bottom, gets into; The shove charge coal that obtains after dry the completion is discharged to seethe with excitement entirely to spray the fluidized-bed damping machine and deliver to coke oven coal tower through discharge gate and is supplied coking by coke oven production; Carry out dust arrestment with the low-temperature flue gas entering sack cleaner under the effect of blower fan after the coking coal heat exchange, the dust that captures supplies coking by coke oven production through the humidification moulding or with being delivered to coke oven coal tower after coke tar refuse is mixed again, and flue gas after being purified is through smoke stack emission.
The temperature of coke oven flue gas is 220 ℃～250 ℃ in the above-mentioned air chamber.
Useful technique effect of the present invention is:
1, the present invention adopts full boiling injection fluidized-bed damping machine that coking coal is carried out appropriate drying treatment; Significantly improve heat exchanger effectiveness; And coal charge is fluidized state in damping machine; Do not change the grade and the size-grade distribution that get into coal charge in the damping machine, avoided aggravating the ature of coal segregation because of the coal charge change of granularity.
2, the present invention can be with coking coal moisture from～11% reducing to about 6.5%～7.5% approximately; Thereby reduced the about 54～81Mcal/t coal of coking thermal losses, improved coke oven throughput and improved coke quality, and because the reduction of gained shove charge moisture content of coal; In retort process, being vaporized the water vapour of taking away with raw gas reduces; So ammoniacal liquor and various wastewater flow rate reduce in the gas cleaning system, and then have reduced sewage load and quantity discharged, have reduced the pollution of process of coking to environment.
3, the system that the fluidized-bed damping machine adopts PLC and DOS to form is sprayed in full boiling among the present invention; Temperature, pressure, flow detector are controlled automatically; Make dry back shove charge moisture content of coal remain at 6.5%～7.5%; Not influenced by seasonal climate, guarantee that the coke oven production operation is stable, prolong coke oven work-ing life.
4, the present invention's technology of preparing the shove charge coal has reduced dry back shove charge moisture content of coal; Improved the bulk density of shove charge coal; Proportioning (but polygamy weakly caking coal) guaranteeing can reduce under the constant condition of coke quality high-quality caking coal has enlarged the coking coal source, has reduced production cost.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Fig. 1 is a main apparent direction sectional view of the present invention;
Fig. 2 is a left apparent direction sectional view of the present invention;
Fig. 3 is a process flow diagram of the present invention.
Among the figure: the 1-housing; The 2-body; 3-bed body; The 4-support; 5-coal blending device; The 6-shredding unit; 7-seethes with excitement entirely and sprays the fluidized-bed damping machine; 8-coke oven coal tower; The 9-blower fan; The 10-sack cleaner; The 11-chimney; The 101-star-shaped feeding machine; 102-raw material bunker; The 103-dividing plate; The 104-front exhaust pipe; The 105-leading portion removes pipeline of dust collector; 106-back segment vapor pipe; The 107-back segment is removed the dirt pipeline; The 108-high-temperature gas is mended into pipeline section; 109-high-temperature gas transport pipe; The 1010-explosionproof hole; The 201-air chamber; 202-hot-fluid transport pipe interface; 203-hot-fluid transport pipe; 204-first worm conveyor; 205-first discharge is taken over; The 301-fluid distributor; Material bunker after the 302-drying; 303-second worm conveyor; 304-second discharge is taken over.
Embodiment
In conjunction with Fig. 1, Fig. 2; The fluidized-bed damping machine is sprayed in a kind of full boiling; Comprise housing 1, the body 2 that is arranged on the bottom that is arranged on top and be arranged on housing 1 and body 2 between bed body 3, housing 1 all adopts flange to be connected with bed a body 3, body 2 with a body 3, and is assembled into one with bolt; And assembling all-in-one-piece damping machine body is installed on the concrete foundation through support 4, and support 4 is a steel construction piece.
The position that keeps left, the top of housing 1 is provided with opening for feed, is provided with star-shaped feeding machine 101 at the opening for feed place, and star-shaped feeding machine 101 is used for the charging of damping machine body, and with the sealing of opening for feed place, above star-shaped feeding machine 101, is provided with raw material bunker 102.The top of housing 1 also is provided with exhaust extractor, and the number of exhaust extractor is set to 2, and all with housing 1 and bed body 3 between the enclosed cavity that forms be connected.Between two exhaust extractors, be provided with dividing plate 103, dividing plate 103 separates the top of above-mentioned enclosed cavity, and two exhaust extractors distribute with the plane symmetry that dividing plate 103 belongs to.Describe for ease; The leading portion that the left side of enclosed cavity internal partition 103 is called the damping machine body; The back segment that the right of enclosed cavity internal partition 103 is called the damping machine body; Equally, the exhaust extractor that is connected with damping machine body leading portion cavity is called the leading portion exhaust extractor, and the exhaust extractor that is connected with damping machine body back segment cavity is called the back segment exhaust extractor.Said leading portion exhaust extractor goes pipeline of dust collector 105 to form by front exhaust pipe 104 and the leading portion that links to each other with front exhaust pipe 104, and said back segment exhaust extractor goes pipeline of dust collector 107 to form by back segment vapor pipe 106 and the back segment that links to each other with back segment vapor pipe 106.
Bed body 3 is provided with fluid distributor 301 and the discharge gate that is positioned at fluid distributor 301 right-hand members; Above discharge gate, be provided with a dry back material bunker 302; Said dry back material bunker 302 is positioned at the rear of damping machine body back segment, and is communicated with damping machine body back segment.Be provided with second worm conveyor 303 at the discharge gate place; Second worm conveyor 303 is used to carry the coal charge of discharge gate place discharge; And with the discharge gate shutoff; Below second worm conveyor 303, be provided with second discharge adapter, 304, the second discharges adapter 304 and be used to discharge the coal charge that 303 conveyings of second worm conveyor are come.Above-mentioned fluid distributor 301 is connected and forms the gas passage that gets into cavity between housing 1 and the bed body 3 with the top of air chamber 201; Fluid distributor 301 is the plane plate structure; Above that with the maller angle taper hole that is laser-cut into non-uniform Distribution; This hole top installs air flow line and size adjustment device additional, make wind be parallel to sparger and blow out, and the percentage of open area on the fluid distributor 301 is successively decreased to the position near discharge gate by the position over against opening for feed step by step; Like the position with the corresponding fluid distributor 301 in air chamber top that arrays from left to right, it is 50%, 45%, 40%, 35% and 30% that percentage of open area sets gradually.
In order further to increase heat exchanger effectiveness; The position of corresponding 2 exhaust extractors is provided with high-temperature gas and mends into device respectively in the both sides of housing 1; High-temperature gas is mended into device and is mended into pipeline section 108 by high-temperature gas and mend the high-temperature gas transport pipe 109 that links to each other into pipeline section 108 with high-temperature gas and form, and said high-temperature gas is mended into pipeline section 108 and is connected with housing 1.In addition, also be provided with a plurality of explosionproof holes 1010, satisfy firing the requirement that instantaneous pressure discharges at the top of housing 1.The different positions place of cavity is equipped with temperature, pressure-detecting device in air chamber 201 and between housing 1 and the bed body 3; In the hot-fluid transport pipe 203 that gets into air chamber 201, be provided with flow detector, said temperature, pressure link to each other with the system that PLC and DOS form respectively with flow detector.Simultaneously, the maintenance of equipment for ease, in two sides of housing 1 and the position that is higher than fluid distributor be provided with inspection manhole.
Be elaborated in the face of the damping novel process that adopts this damping machine to prepare the shove charge coal down:
In conjunction with Fig. 3; With the coking coal raw material of choosing after coal blending device 5 adjustment proportionings; Get in the shredding unit 6 and pulverize; Coal charge after will pulverizing again is transferred to full boiling according to the invention and sprays in the raw material bunker 102 that the top is provided with in the fluidized-bed damping machine 7, after star-shaped feeding machine 101 is carried and through in the enclosed cavity that forms between opening for feed entering housing 1 and the bed body 3, the coke oven flue gas that gets into the bottom carries out direct heat exchange.The temperature of coke oven flue gas is 220 ℃～250 ℃, is flowed in the air chamber 201 by hot-fluid transport pipe 203, after get into behind fluid distributor 301 uniform distribution that air chamber 201 tops are provided with in the enclosed cavity that forms between housing 1 and the bed body 3.Dry qualified coal charge (shove charge coal) is discharged full boiling and is sprayed fluidized-bed damping machine 7; And deliver in the coke oven coal tower 8 and to supply coking production; Discharge through exhaust extractor with the low-temperature flue gas after the coal charge heat exchange; And under the effect of blower fan 9, carry out dust arrestment in the entering sack cleaner 10, and the dust that captures supplies coking by coke oven production through the humidification moulding or with the tower of delivering coal after coke tar refuse is mixed, and flue gas after being purified is through chimney 11 dischargings.
The part of not addressing in the aforesaid way is taked or is used for reference prior art and can realize.
Need to prove that under the instruction of this specification sheets, any equivalents that those skilled in the art have done, or obvious variant all should be within protection scope of the present invention.
Claims (5)
1. the fluidized-bed damping machine is sprayed in a full boiling; It is characterized in that: comprise the housing, the body that is arranged on the bottom that are arranged on top, be arranged between housing and the body and the bed body that is connected with the two respectively, and the support that is used for fixing housing, bed body and body; Said housing is provided with opening for feed and exhaust extractor, and said body comprises a plurality of independent air chambers, and air chamber is provided with hot-fluid transport pipe interface, and said bed body is provided with fluid distributor and the discharge gate that is positioned at fluid distributor one end; Said fluid distributor is the plane plate structure, is provided with perforate above that, and percentage of open area is successively decreased to the position near discharge gate by the position over against opening for feed step by step; Also being provided with high-temperature gas on the said housing mends into device and explosionproof hole.
2. the fluidized-bed damping machine is sprayed in a kind of full boiling according to claim 1; It is characterized in that: the number of said air chamber is set to 2～10; The top of air chamber is connected and forms the gas passage that gets into cavity between housing and the bed body with fluid distributor, the bottom of air chamber is provided with Lou material relief outlet.
3. the fluidized-bed damping machine is sprayed in a kind of full boiling according to claim 1, and it is characterized in that: said exhaust extractor is arranged on the top of housing, between exhaust extractor, is provided with dividing plate, and said dividing plate is separated the cavity between housing and the bed body.
4. the fluidized-bed damping machine is sprayed in a kind of full boiling according to claim 2; It is characterized in that: said opening for feed place adopts star-shaped feeding machine feed and sealing; Said discharge gate place adopts worm conveyor discharge and sealing, and said leakage material relief outlet place adopts worm conveyor discharge and sealing.
5. the fluidized-bed damping machine is sprayed in a kind of full boiling according to claim 1; It is characterized in that: be equipped with temperature, pressure-detecting device in the cavity in the said air chamber and between housing and the bed body, said temperature, pressure-detecting device link to each other with the system that PLC and DOS form respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010621937A CN102041012B (en) | 2010-12-28 | 2010-12-28 | Full-fluidized jet fluidized bed damping machine and novel damping process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010621937A CN102041012B (en) | 2010-12-28 | 2010-12-28 | Full-fluidized jet fluidized bed damping machine and novel damping process |
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| Publication Number | Publication Date |
|---|---|
| CN102041012A CN102041012A (en) | 2011-05-04 |
| CN102041012B true CN102041012B (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010621937A Expired - Fee Related CN102041012B (en) | 2010-12-28 | 2010-12-28 | Full-fluidized jet fluidized bed damping machine and novel damping process |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101063059A (en) * | 2007-04-29 | 2007-10-31 | 济南钢铁股份有限公司 | Moving iris type fluidized bed |
| CN101709913A (en) * | 2009-12-29 | 2010-05-19 | 长沙通发高新技术开发有限公司 | Full-boiling cyclone fluidized bed damping machine and new damping technology |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201560175U (en) * | 2009-09-18 | 2010-08-25 | 中冶焦耐(大连)工程技术有限公司 | Airflow classifying and drying device for coking coal |
| CN201908070U (en) * | 2010-12-28 | 2011-07-27 | 青岛利物浦环保科技有限公司 | Damping machine for full-boiling spraying fluidized bed |
-
2010
- 2010-12-28 CN CN201010621937A patent/CN102041012B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101063059A (en) * | 2007-04-29 | 2007-10-31 | 济南钢铁股份有限公司 | Moving iris type fluidized bed |
| CN101709913A (en) * | 2009-12-29 | 2010-05-19 | 长沙通发高新技术开发有限公司 | Full-boiling cyclone fluidized bed damping machine and new damping technology |
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| Publication number | Publication date |
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| CN102041012A (en) | 2011-05-04 |
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Effective date of registration: 20161125 Address after: 266555 Shandong economic and Technological Development Zone, the Yellow River West Road, room 689, No. 368, room Patentee after: Qingdao Xiang Ming Investment Company Limited Address before: Shanghai road 266400 Shandong city of Qingdao province in Northeast Jiaonan Lingang Economic Development Zone South Loop Patentee before: Qingdao Lifepower Environment Protection Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20121017 Termination date: 20161228 |