CN2828044Y - Coal charging, coke discharging smoke preventing and dust control device of movable coke oven - Google Patents
Coal charging, coke discharging smoke preventing and dust control device of movable coke oven Download PDFInfo
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- CN2828044Y CN2828044Y CN 200520129914 CN200520129914U CN2828044Y CN 2828044 Y CN2828044 Y CN 2828044Y CN 200520129914 CN200520129914 CN 200520129914 CN 200520129914 U CN200520129914 U CN 200520129914U CN 2828044 Y CN2828044 Y CN 2828044Y
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- coke
- dust
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Abstract
The utility model relates to a coal charging, coke discharging smoke preventing and dust control device of a movable coke oven. The top end of a coke oven is provided with a track that is provided with a movable working station. A blocking coke buggy of one side of the coke outlet of the coke oven is provided with a blocking coke dust suction hood, and the top end of the blocking coke dust suction hood is provided with an outlet and is connected with the coke outlet gas inlet pipeline of a primary cooler. The coke outlet gas inlet pipeline is provided with a coke outlet gas valve. The upper part of each hole of the machine side oven door of the coke oven is respectively provided with a coal-charging dust suction hood, and the top end of each hood is provided with an outlet. The inlet end of the primary cooler is provided with a loading coal gas inlet pipeline and a loading coal gas valve. The end part of the loading coal gas inlet pipeline is provided with an expansion sleeve drum corresponding to the coal-charging dust suction hood outlet. The utility model is characterized in that a coal-charging dust removing system and a coke outlet dust removing system are together arranged on an oven top flowing working station, the device is under comprehensive utilization, and the construction cost is reduced. Compared with that of the primary designing earth-based station system, the manufacturing cost of the utility model is reduced by 1 / 2, and the operation cost of the coke per ton is 0.25 yuan or so.
Description
Technical field
The utility model relates to a kind of portable pit kiln coalings and the device for eliminating smoke and dust that discharges of the coke, and is applicable to the stamping side-mounted coke furnace.
Background technology
Pit kiln coaling and the process of the discharging of the coke in produce a large amount of harmful flue dust gases.Domestic effective improvement technology for these flue dust gases mainly is an earth station dust removing system at present, and its primary structure is: at the other fixed ground dedusting workstation that is provided with of coke oven, the pollution flue gas that produces coalingging, the discharging of the coke is delivered to the ground handling station and is focused on.Establish bag-type dusting unit (or other dedusting unit) in terrestrial station, handle the pollution flue gas that transports, establish blower fan and provide necessary power for system.Establish vacuum sweeper at furnace roof, on coke guide, establish dust hood and be respectively applied for and collect the pollution flue gas that the process of coalingging, discharge of the coke produces.Along furnace superintendent pipe-line transportation system and necessary steel construction supporting are set respectively at the furnace roof and the workshop section of the discharging of the coke, are used for supplied flue gases.
There is following shortcoming in above-mentioned earth station dust removing system:
(1) the fixed bottom boundary workstation needs land occupation, about 800m
2～1000m
2
(2) the flue dust collecting workspace owing to system's linear loss and inleakage increase, thereby has increased terrestrial station's load to the transport pipe that terrestrial station reaches 200～350m widely.Coke oven by 600,000 tons of coking chamber height 4.3m annual production is an example, and blower fan needs more than the blast 6800Pa, air quantity 220,000～240,000 m
3/ h, power of motor is more than 600KW.
(3) because terrestrial station load strengthens, connect terrestrial station to also corresponding increasings such as the pipe diameter of flue dust collecting workspace and supportings, the transport pipe cross section is 3m
2About, need set up the special-purpose steel structure support, the every linear meter of rolled steel dosage reaches about 1.5 tons.
Above-mentioned reason causes construction costs too high, is example by the coke-oven plant that produces 600000 tons of burnt amounts per year, needs to drop into 1300～1,800 ten thousand yuan; Long construction period generally need about 6 months, and supporting difficulty is bigger on the coke oven of having gone into operation, needs about 8 months; Installed capacity is big, the running cost height, and the burnt running cost of ton has strengthened production cost in 2.5-4 unit; Complicated operation, maintenance difficulty are big, and lifetime of system is short, and the equipment erosion resistance is poor.Coalingging and the discharging of the coke needs two cover dust-removal systems, makes above-mentioned shortcoming more obvious.
Summary of the invention
The purpose of this utility model just provides a kind of portable top pit kiln device for eliminating smoke and dust of coalingging of coalingging, and many to solve the occupation of land that prior art exists, construction costs is too high, long construction period, the production cost height, complicated operation, maintenance difficulty are big, lifetime of system is short, the problem of equipment erosion resistance difference.
The technical solution of the utility model is: the top at coke oven is provided with track, on this track, be provided with mobile workstation, this mobile workstation comprises burner, primary cooler, recooler, whole cooler, bag-type dust unit blower fan and the worktable that is linked in sequence successively, each described device of mobile workstation is installed on this workplatform, divide into set of wheels and drive unit thereof at this workplatform, the inlet mouth of burner is connected with seal sleeve, and burner is connected with the gas supply system; On the coke guide of the side of the discharging of the coke of coke oven, establish and block burnt dust hood, block burnt dust hood top be provided with an outlet and with the smoke inlet pipe connection that discharges of the coke of described primary cooler, at this smoke inlet pipelining of the discharging of the coke gas fume valve that discharges of the coke; The dust hood of coalingging is established on top, the every hole of pusher side fire door at coke oven, each cover top sets out mouth, at the inlet end setting of described primary cooler coaling the smoke inlet pipeline and the gas fume valve of coalingging, install with the described dust hood of coalingging at the smoke inlet pipe end of coalingging and to export corresponding telescopic shaft.
Described burner comprises combustion chamber and burning floral tube, establishes wind distributing hole at outer wall of combustion chamber, is used for burning and allocates air into; The burning floral tube penetrates the combustion chamber near the front portion of smoke inlet, and the inlet end of burning floral tube is drawn the combustion chamber and is connected with described gas supply system, is provided with a plurality of production wells on the floral tube that burns; The other end of combustion chamber is provided with outlet, and is connected with the inlet of described primary cooler; Described combustion chamber is by the welded steel plate squarely, the fire-resistant concrete of liner.
Described primary cooler comprises cylindrical outer casing, water holding jacket and heat pipe, and water holding jacket is enclosed within outside the shell, at the several heat pipes of shell upper plug-in mounting, makes the endotherm section of heat pipe be positioned at shell, and the radiating segment of heat pipe is positioned at water holding jacket; Upper and lower ends at described shell is respectively equipped with smoke inlet and outlet.
Described shell is made cylindrical tube with steel plate, the fire-resistant concrete of liner; Described heat pipe is selected spiral type 20# boi1er tube for use, interior dress sodium conductive liquid.
Described water cooler is the layering dividing plate interchanger that steel plate is made, and high-temperature flue gas reaches the water cooler surfaces externally and internally by in the layering dividing plate interchanger with heat, and the wind that is cooled is taken away.
Described whole cooler is made of snake bend and cooling tube, and snake bend passes cooling tube, and the two ends of cooling tube are connected on the high-temperature flue gas loop, and the two ends of snake bend are connected with the chilled(cooling) water return (CWR).
The shell of described bag-type dusting unit is made by steel plate, interior dress cloth bag, and the cloth bag material is beautiful this overlay film waterproof Nomex of fluorine, is used for going into blower fan and entering atmosphere through aiutage gas filtration below 150 ℃ is laggard.
Be provided with the reverse gas cleaning device at described bag-type dusting unit.
Described reverse gas cleaning device comprises pulse backblowing pipe, drag conveyer and Hui Cang, and the pulse backblowing pipe is installed in the cloth bag top in the described shell, and drag conveyer is installed in the lower end of shell, and grey storehouse is set below the outlet of drag conveyer.
Characteristics of the present utility model are that coal loading dedust system, coke discharging and dedusting system are co-located on the mobile workstation of a furnace roof, make the equipment complex utilization, reduced construction costs, reduced cost 1/2 than intrinsic earth station system, the burnt running cost of ton is about 0.25 yuan.Can stablize and reach and be lower than national secondary environmental emission standard; Also be provided with little dust hood above the pusher side fire door, the flue dust that can effectively be distributed pusher side fire door in the process of coalingging is collected, and it is little to have an installed capacity, easy to maintenance, simple to operate, be easy to automatization control, short construction period, cost is than plurality of advantages such as prior art total costs low 1/3.
Description of drawings
Fig. 1 is a perspective view of the present utility model;
Fig. 2 is the structural representation that burnt dust hood docks with hydraulic-pressure sleeve that blocks of the present utility model;
Fig. 3 is the structural representation of the utility model burner;
Fig. 4 be the utility model primary cooler structure and with the burner structure synoptic diagram;
Fig. 5 is the transverse sectional view of primary cooler among Fig. 4;
Fig. 6 is the structural representation of the utility model recooler;
Fig. 7 is the structural representation of the whole cooler of the utility model;
Fig. 8 is the structural representation of the utility model bag-type dust unit, blower fan and reverse gas cleaning device.
Embodiment
Referring to Fig. 1～Fig. 8, the utility model is provided with track 12 on the top of coke oven 11, on this track 12, be provided with mobile workstation A, this mobile workstation A comprises burner 1, primary cooler 2, recooler 3, whole cooler 4, bag-type dust unit 5, blower fan 6 and the worktable 7 that is linked in sequence successively, above-mentioned each device of mobile workstation is installed on this workplatform 7, is divided into set of wheels and drive unit thereof at this workplatform 7.The inlet mouth of burner 1 is connected with seal sleeve 13, and burner 1 connects the gas supply system.On the coke guide of the side of the discharging of the coke of coke oven 11, establish and block burnt dust hood 14, block burnt dust hood top be provided with one the outlet 15, and be connected (also can dock) by hydraulic-pressure sleeve with the smoke inlet pipeline 16 that discharges of the coke that the inlet end of primary cooler 2 is drawn, on this pipeline 16, the valve 18 that discharges of the coke is housed.
Establish a prescription shape dust gathering arrester 8 in pusher side fire door (side of coalingging) top along furnace superintendent, separate with division plate between each unit, form independent air chamber and establish an outlet 81 on the top of each this dust gathering arrester 8.Draw the smoke inlet pipeline 61 of coalingging at the inlet end of primary cooler 2, on this pipeline 16, the valve 62 of coalingging is housed, outlet 81 corresponding hydraulic-pressure sleeves 17 with described dust gathering arrester 8 are housed at this pipe end.
Referring to Fig. 2, described hydraulic-pressure sleeve 17 comprises expansion pipe 171 and fluid cylinder 172, and expansion pipe 171 slides and inserts in 81 mouthfuls in (the discharging of the coke) smoke inlet pipeline of coalingging, and connects the two ends of fluid cylinder 172 between the two.
Principle of work of the present utility model and process description are as follows:
When (1) coalingging, mobile workstation A runs to the coking chamber B position of coal facies correspondence to be installed, puts down the venting port B that three seal sleeves 13 align the vertical coking chamber of coke oven.
The hydraulic-pressure sleeve 17 of mobile workstation setting stretches out with pusher side dust hood 8 and aligns, and the valve 61 that discharges of the coke this moment is closed, and the valve 62 of coalingging is opened; The beginning of coalingging, the fire door flue gas that the pollution flue gas that is produced by the process of coalingging is collected from three venting hole B of furnace roof and dust hood 8 enters burner 1,800-900 after the burn processing ℃ high-temperature flue gas enter primary cooler 2 be cooled to 450 ℃～below 500 ℃, entering recooler 3 is cooled to below 300 ℃, entering whole cooler 4 again is cooled to below 150 ℃, enter bag-type dust unit 5, the gas after the dedusting enters blower fan 6 and enters atmosphere through aiutage 9.
When (2) the discharging of the coke, the burnt hydraulic-pressure sleeve that blocks that the workstation A that flows is provided with aligns with the outlet 15 of blocking burnt dust hood 14, and the valve 61 that discharges of the coke this moment is opened, and the valve 62 of coalingging is closed, the beginning of the discharging of the coke.The flue dust that produces that discharges of the coke enters recooler 3 by dust hood 14 upper outlets, is cooled to 300 ℃ and enters whole cooler again and be cooled to below 150 ℃, enters bag-type dust unit 5 afterwards, goes into blower fan 6 and enters atmosphere by aiutage 9 by the cloth bag dust removal by filtration is laggard.
Below describe the structure and the principle of work of each several part of the present utility model respectively in detail:
Referring to Fig. 3, the pollution flue gas that burner 1 of the present utility model is used for collecting burns obnoxious flavoures such as benzopyrene and clears up by burning under 900 ℃ of high temperature, make it innoxious.
Referring to Fig. 4 and Fig. 5, primary cooler 2 is used for 900 ℃ of high-temperature flue gas are cooled to rapidly about 450～500 ℃.Primary cooler 2 shells 21 usefulness steel plates are made cylindrical tube, the fire-resistant concrete of liner, and 1/3 height plug-in mounting heat pipe 22 is several at an upper portion thereof, and totally 4 layers, it is endotherm section that heat pipe 22 stretches into primary cooler length 60cm, and the outside is stretched out 60cm and be radiating segment in water holding jacket 23.Heat pipe 22 is selected spiral type 20# boi1er tube for use, interior dress sodium conductive liquid, and the heat pipe for thermal conductivity area is decided according to the coke furnace carbonization chamber volume size.
After 900 ℃ of high-temperature gases after the burning enter primary cooler 2, at first reduce flow velocity and pass through primary cooler to the speed of 0.9m/s, through the superheater tube layer, heat is by the vacuum thermal conduction mechanism of heat pipe 22, speed with 1m/s is directed at rapidly in the heat sink clip water jacket 23, water coolant in the water holding jacket 23 is taken heat to circulating water channel out of immediately, back and forth uses, thereby high-temperature gas is cooled to rapidly below 450～500 ℃.
Referring to Fig. 6, the high-temperature gas that recooler 3 is used for 450 ℃～500 ℃ is cooled to below 300 ℃.Flue dust gas is gone to B from A, outside air under the effect of aerofoil fan 32 by C to D, finish heat transfer process.Recooler 3 adopts conventional shell-and-tube heat exchanger structure, make with steel plate, high-temperature gas with the flow velocity of 8m/s by A to the B passage in the layering dividing plate interchanger 31, heat is reached interchanger 31 surfaces externally and internallies, aerofoil fan 32 is installed at one end, and the heat that high-temperature gas spreads out of is taken away by C to the D wind that is cooled.
Referring to Fig. 7, described whole cooler 4 is made of snake bend 41 and cooling tube 42, and snakelike curved 41 pipes pass in the cooling tube 42, and the two ends of cooling tube 42 are connected on the high-temperature flue gas loop, and the two ends of snake bend 41 are connected with the chilled(cooling) water return (CWR).The function of whole cooler 4 is that the flue gas below 300 ℃ is cooled to below 150 ℃, 300 ℃～150 ℃ dusty gases enter in the whole cooler 4 through cooling tube 42 snake bends 41, heat is passed to spiral type snake bend 41, heat is taken out of to circulating water channel by pipe internal cooling water.
Referring to Fig. 8, the shell of described bag-type dusting unit 5 51 is made by steel plate, several cloth bags 52 side by side of interior dress, and the material of cloth bag 52 is beautiful this overlay film waterproof Nomex of fluorine, 160 ℃ of working temperatures, filtration velocity is 1.2m/min.Cloth bag 52 is used for going into blower fan 6 and entering atmosphere through aiutage 9 gas filtration below 150 ℃ is laggard.
Also be provided with reverse gas cleaning device 10 at described bag-type dusting unit, this reverse gas cleaning device comprises pulse backblowing pipe 101, drag conveyer 102 and grey storehouse 103, pulse backblowing pipe 101 is installed in the top of the cloth bag 52 in the described shell 51, drag conveyer 102 is installed in the lower end of shell, and grey storehouse 103 is set below the outlet of drag conveyer 102.
Claims (9)
- A portable coke oven coal-charging, device for eliminating smoke and dust discharges of the coke, it is characterized in that: the top at coke oven is provided with track, on this track, be provided with mobile workstation, this mobile workstation comprises burner, primary cooler, recooler, whole cooler, bag-type dust unit blower fan and the worktable that is linked in sequence successively, each described device of mobile workstation is installed on this workplatform, divide into set of wheels and drive unit thereof at this workplatform, the inlet mouth of burner is connected with seal sleeve, and burner is connected with the gas supply system; On the coke guide of the side of the discharging of the coke of coke oven, establish and block burnt dust hood, block burnt dust hood top be provided with an outlet and with the smoke inlet pipe connection that discharges of the coke of described primary cooler, at this smoke inlet pipelining of the discharging of the coke gas fume valve that discharges of the coke; The dust hood of coalingging is established on top, the every hole of pusher side fire door at coke oven, each cover top sets out mouth, at the inlet end setting of described primary cooler coaling the smoke inlet pipeline and the gas fume valve of coalingging, install with the described dust hood of coalingging at the smoke inlet pipe end of coalingging and to export corresponding telescopic shaft.
- 2. portable coke oven coal-charging according to claim 1, the device for eliminating smoke and dust that discharges of the coke is characterized in that: described burner comprises combustion chamber and burning floral tube, establishes wind distributing hole at outer wall of combustion chamber, is used for burning and allocates air into; The burning floral tube penetrates the combustion chamber near the front portion of smoke inlet, and the inlet end of burning floral tube is drawn the combustion chamber and is connected with described gas supply system, is provided with a plurality of production wells on the floral tube that burns; The other end of combustion chamber is provided with outlet, and is connected with the inlet of described primary cooler; Described combustion chamber is by the welded steel plate squarely, the fire-resistant concrete of liner.
- 3. portable coke oven coal-charging according to claim 1, device for eliminating smoke and dust discharges of the coke, it is characterized in that: described primary cooler comprises cylindrical outer casing, water holding jacket and heat pipe, water holding jacket is enclosed within outside the shell, at the several heat pipes of shell upper plug-in mounting, make the endotherm section of heat pipe be positioned at shell, the radiating segment of heat pipe is positioned at water holding jacket; Upper and lower ends at described shell is respectively equipped with smoke inlet and outlet.
- 4. portable coke oven coal-charging according to claim 3, the device for eliminating smoke and dust that discharges of the coke is characterized in that: described shell is made cylindrical tube with steel plate, the fire-resistant concrete of liner; Described heat pipe is selected spiral type 20# boi1er tube for use, interior dress sodium conductive liquid.
- 5., portable coke oven coal-charging according to claim 1, device for eliminating smoke and dust discharges of the coke, it is characterized in that: described water cooler is the layering dividing plate interchanger that steel plate is made, high-temperature flue gas reaches the water cooler surfaces externally and internally by in the layering dividing plate interchanger with heat, and the wind that is cooled is taken away.
- 6. portable coke oven coal-charging according to claim 1, device for eliminating smoke and dust discharges of the coke, it is characterized in that: described whole cooler is made of snake bend and cooling tube, snake bend passes cooling tube, the two ends of cooling tube are connected on the high-temperature flue gas loop, and the two ends of snake bend are connected with the chilled(cooling) water return (CWR).
- 7. portable coke oven coal-charging according to claim 1, device for eliminating smoke and dust discharges of the coke, it is characterized in that: the shell of described bag-type dusting unit is made by steel plate, interior dress cloth bag, the cloth bag material is beautiful this overlay film waterproof Nomex of fluorine, is used for going into blower fan and entering atmosphere through aiutage gas filtration below 150 ℃ is laggard.
- 8. portable coke oven coal-charging according to claim 7, the device for eliminating smoke and dust that discharges of the coke is characterized in that: be provided with the reverse gas cleaning device at described bag-type dusting unit.
- 9. portable coke oven coal-charging according to claim 8, device for eliminating smoke and dust discharges of the coke, it is characterized in that: described reverse gas cleaning device comprises pulse backblowing pipe, drag conveyer and Hui Cang, the pulse backblowing pipe is installed in the cloth bag top in the described shell, drag conveyer is installed in the lower end of shell, and grey storehouse is set below the outlet of drag conveyer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520129914 CN2828044Y (en) | 2005-10-17 | 2005-10-17 | Coal charging, coke discharging smoke preventing and dust control device of movable coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520129914 CN2828044Y (en) | 2005-10-17 | 2005-10-17 | Coal charging, coke discharging smoke preventing and dust control device of movable coke oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2828044Y true CN2828044Y (en) | 2006-10-18 |
Family
ID=37079602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520129914 Expired - Fee Related CN2828044Y (en) | 2005-10-17 | 2005-10-17 | Coal charging, coke discharging smoke preventing and dust control device of movable coke oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2828044Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101569887B (en) * | 2009-06-03 | 2012-03-28 | 吉首大学 | Method for movably collecting, conveying, dedusting and desulfurizing dust of coke oven coke guide |
| CN109666487A (en) * | 2018-12-12 | 2019-04-23 | 北京中冶设备研究设计总院有限公司 | A kind of closing of coke oven and ventilating dust-arrester and method |
| CN112138475A (en) * | 2020-09-30 | 2020-12-29 | 中冶焦耐(大连)工程技术有限公司 | Distributed dust removal system for smoke dissipated by coke oven and working method thereof |
-
2005
- 2005-10-17 CN CN 200520129914 patent/CN2828044Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101569887B (en) * | 2009-06-03 | 2012-03-28 | 吉首大学 | Method for movably collecting, conveying, dedusting and desulfurizing dust of coke oven coke guide |
| CN109666487A (en) * | 2018-12-12 | 2019-04-23 | 北京中冶设备研究设计总院有限公司 | A kind of closing of coke oven and ventilating dust-arrester and method |
| CN109666487B (en) * | 2018-12-12 | 2020-10-09 | 北京中冶设备研究设计总院有限公司 | Coke oven sealing and ventilating dust removal device and method |
| CN112138475A (en) * | 2020-09-30 | 2020-12-29 | 中冶焦耐(大连)工程技术有限公司 | Distributed dust removal system for smoke dissipated by coke oven and working method thereof |
| CN112138475B (en) * | 2020-09-30 | 2024-01-30 | 中冶焦耐(大连)工程技术有限公司 | Coke oven dissipation smoke dust distributed dust removal system and working method thereof |
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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: 20061018 Termination date: 20091117 |