CN115418241A - Blue charcoal quenching transfer system - Google Patents
Blue charcoal quenching transfer system Download PDFInfo
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- CN115418241A CN115418241A CN202211003379.2A CN202211003379A CN115418241A CN 115418241 A CN115418241 A CN 115418241A CN 202211003379 A CN202211003379 A CN 202211003379A CN 115418241 A CN115418241 A CN 115418241A
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- coke
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- chain
- intermediate bin
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- 238000010791 quenching Methods 0.000 title claims abstract description 39
- 230000000171 quenching effect Effects 0.000 title claims abstract description 39
- 238000012546 transfer Methods 0.000 title claims description 15
- 239000003610 charcoal Substances 0.000 title description 6
- 239000000571 coke Substances 0.000 claims abstract description 237
- 230000007246 mechanism Effects 0.000 claims abstract description 105
- 238000007789 sealing Methods 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000007599 discharging Methods 0.000 claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 33
- 239000007921 spray Substances 0.000 claims abstract description 28
- 238000002955 isolation Methods 0.000 claims abstract description 7
- 210000001503 joint Anatomy 0.000 claims description 36
- 238000004140 cleaning Methods 0.000 claims description 18
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 11
- 239000004917 carbon fiber Substances 0.000 claims description 11
- 239000000498 cooling water Substances 0.000 claims description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000007723 transport mechanism Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 40
- 231100000572 poisoning Toxicity 0.000 abstract description 5
- 230000000607 poisoning effect Effects 0.000 abstract description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 4
- 239000001257 hydrogen Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 239000004570 mortar (masonry) Substances 0.000 description 8
- 239000003245 coal Substances 0.000 description 6
- 238000000197 pyrolysis Methods 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 4
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003034 coal gas Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B39/00—Cooling or quenching coke
- C10B39/12—Cooling or quenching coke combined with conveying means
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B39/00—Cooling or quenching coke
- C10B39/04—Wet quenching
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The invention provides a semi-coke quenching and transporting system which comprises a coke oven conical bottom, a semi-coke pushing mechanism, a chain trigger transporting mechanism and a discharging mechanism, wherein the bottom of the coke oven conical bottom is butted with the semi-coke pushing mechanism, the chain trigger transporting mechanism comprises a sealing shell, a chain trigger and a furnace gas plugging component, the top of the sealing shell is butted with the semi-coke pushing mechanism, the front end of the sealing shell is butted with the discharging mechanism, the chain trigger is arranged in the sealing shell, the furnace gas plugging component is arranged at the position where the sealing shell is butted with the discharging mechanism, so that a gas isolation area is formed at the front end where the sealing shell is butted with the discharging mechanism, a water spray cooling mechanism positioned above the chain trigger is arranged on the sealing shell along the transporting direction of the chain trigger, and the water spray cooling mechanism can spray water to the chain trigger. The invention can increase the hydrogen content of the coke oven gas, adjust the moisture of the semi-coke product, reduce the leakage and escape of the coke oven gas, reduce the risk of operation poisoning and improve the working environment.
Description
Technical Field
The invention relates to the technical field of coal processing, in particular to a semi coke quenching transfer system.
Background
At present, the yield of the semi coke in China is about 1.7 hundred million tons. The Jurassic period non-caking coal and weak caking coal are used as raw materials to produce high-quality semi coke, and more coal gas and coal tar can be obtained simultaneously as target products. In the field of semi coke production, coke quenching in a shaft furnace (vertical furnace) coking process refers to an operation process of cooling red hot red coke to facilitate transportation and storage. The basic process comprises the following steps: a medium-low temperature-internal heating-gas heat carrier-air isolated pyrolysis process. The pyrolysis temperature is controlled between 650 ℃ and 750 ℃, the final coking temperature of a shaft furnace (vertical furnace) is between 550 ℃ and 650 ℃, and the incandescent blue coke is cooled to below 250 ℃ after being quenched by coke and a water jacket.
In the prior art, the coke quenching form of domestic semi coke manufacturers basically adopts a water coke quenching method, water coke quenching causes water resource waste, and simultaneously, the coal gas drying process is adopted after coke quenching to cause energy waste, and a large amount of waste gas (pollutants such as phenol, cyanogen and the like) generated in the processes of water coke quenching and drying seriously pollutes the surrounding environment.
In more than ten years, a dry quenching form is gradually adopted, the dry quenching is beneficial to water saving, energy saving, safety and high efficiency, partial waste heat recovery and environmental protection can be realized, and a plurality of related semi coke dry quenching devices are provided. However, in the semi-coke dry quenching process, the discharge temperature is high, the gas pressure is high, and the waste gas containing high CO and partial pollutants such as phenol, cyanogen and the like is easy to be poisoned. In addition, part of the dry quenching equipment is in a high-temperature, high-humidity and high-pollution environment for a long time, the operation environment is severe, and the production, the maintenance and the maintenance are difficult.
Disclosure of Invention
In view of this, a need exists to provide a semi coke quenching and transferring system, which can reduce the leakage and escape of coke oven gas.
The invention provides a semi coke quenching transfer system, which comprises:
the coke oven comprises a coke oven cone bottom, a semicoke coke pushing mechanism, a chain plate machine conveying mechanism and a discharging mechanism, wherein the bottom of the coke oven cone bottom is butted with the semicoke coke pushing mechanism, the chain plate machine conveying mechanism comprises a sealing shell, a chain plate machine and an oven gas plugging component, the top of the sealing shell is butted with the semicoke coke pushing mechanism, the front end of the sealing shell is butted with the discharging mechanism, the chain plate machine is arranged in the sealing shell and is used for bearing the semi-coke pushing mechanism, the semi-coke pushing mechanism is conveyed into the sealing shell and is conveyed to the discharging mechanism, the oven gas plugging component is arranged at the position where the sealing shell is butted with the discharging mechanism so that a gas isolation area is formed at the front end where the sealing shell is butted with the discharging mechanism, a water spraying cooling mechanism located above the chain plate machine is arranged on the sealing shell along the conveying direction of the chain plate machine, and the water spraying cooling mechanism can spray water to the chain plate machine.
Optionally, a conical bottom cooling water jacket is sleeved on the outer wall of the conical bottom of the coke oven, cooling water is filled in the conical bottom cooling water jacket, a semi-coke discharge port is formed at the bottom of the conical bottom of the coke oven, a cooling ring pipe is arranged in the center of the semi-coke discharge port, and the cooling ring pipe is communicated with external water supply equipment.
Optionally, the semicoke coke pushing mechanism includes a coke supporting plate, a coke pushing device, a coke pushing plate and a semicoke conduit, the coke supporting plate, the coke pushing device, the coke pushing plate and the semicoke conduit are arranged below the semi-coke discharge port of the coke oven cone bottom, one end of the semicoke conduit is in butt joint with the coke supporting plate, the other end of the semicoke conduit is in butt joint communication with the sealing shell, the coke pushing plate is arranged on the coke supporting plate and is connected with the coke pushing device, the coke pushing device can drive the coke pushing plate to move relative to the coke supporting plate, and the semicoke on the coke supporting plate is pushed into the semicoke conduit and falls into the sealing shell.
Optionally, the coke pushing device comprises an eccentric driving machine and a connecting rod, one end of the connecting rod is hinged to the eccentric driving machine, and the other end of the connecting rod is connected to the coke pushing plate.
Optionally, the chain plate machine includes a chain and a driving roller, the chain is sleeved on the driving roller, the driving roller drives the chain to perform rotary motion, the chain is formed by sequentially hinging a plurality of chain plates end to end, and convex strips are arranged on the chain plates.
Optionally, one end of the chain plate machine, which is close to the discharging mechanism, is higher than one end of the chain plate machine, which is close to the semi-coke pushing mechanism, one end of the sealing shell, which is in butt joint with the discharging mechanism, is higher than one end of the sealing shell, which is in butt joint with the semi-coke pushing mechanism, and one end of the sealing shell, which is in butt joint with the semi-coke pushing mechanism, is concave inwards to form a ship-shaped water tank.
Optionally, the furnace gas plugging assembly comprises an air curtain and a carbon fiber blocking strip screen, the air curtain and the carbon fiber blocking strip screen are vertically fixed on the inner wall of the sealing shell, and the chain plate machine penetrates through the air curtain and the carbon fiber blocking strip screen.
Optionally, the scraper chain conveyer mechanism further comprises a mortar cleaning assembly, the mortar cleaning assembly is arranged in the sealing shell and located below the scraper chain conveyer mechanism, the mortar cleaning assembly is in contact with and moves relative to the scraper chain moving from the discharging mechanism to the semi-coke pushing mechanism, residual carbon slag on the scraper chain is hung, and one end of the mortar cleaning assembly close to the discharging mechanism is higher than one end of the mortar cleaning assembly close to the semi-coke pushing mechanism.
Optionally, arrange the material mechanism including piling up in proper order and setting up conventional intermediate bin, first apple type semicoke intermediate bin, second apple type semicoke intermediate bin and pressure-equalizing pipe, conventional intermediate bin top with the butt joint of sealed shell, conventional intermediate bin bottom with the top butt joint of first apple type semicoke intermediate bin, the bottom of first apple type semicoke intermediate bin with the butt joint of second apple type semicoke intermediate bin, conventional intermediate bin with be provided with first hatch door between the first apple type semicoke intermediate bin, first apple type semicoke intermediate bin with be provided with the second hatch door between the second apple type semicoke intermediate bin, the pressure-equalizing pipe with conventional intermediate bin first apple type semicoke intermediate bin and second apple type semicoke intermediate bin is connected, conventional intermediate bin with pressure-equalizing pipe junction is provided with first pressure-equalizing valve, first apple type semicoke intermediate bin with pressure-equalizing pipe junction is provided with the second pressure-equalizing valve, second apple type semicoke intermediate bin with pressure-equalizing pipe junction is provided with the third pressure-equalizing valve.
Optionally, the coke oven further comprises an adhesive tape coke conveying machine and a finished product bin, wherein one end of the adhesive tape coke conveying machine is in butt joint with the second apple-type semi-coke intermediate bin, and the other end of the adhesive tape coke conveying machine is in butt joint with the finished product bin.
The invention has the beneficial effects that:
the invention provides a semi coke quenching transfer system, which sprays steam to a sealed shell through a cooling spray pipe, on one hand, the coke quenching transfer system plays a role in quenching and cooling, the generated steam goes upwards, the water gas reaction is increased, the hydrogen content in coke oven gas can be increased, and the gas heat value and the coal pyrolysis efficiency are improved; on the other hand, the water content of the semi-coke can be adjusted to form a semi-coke product with adjustable and controllable water content; the furnace gas plugging component is arranged to form a gas isolation area, so that leakage and escape of coke oven gas can be reduced, the risk of operation poisoning is reduced, and the working environment of operation staff is improved; the coke oven gas can be recovered in a centralized way, the sensible heat recovery efficiency is improved, the energy conservation and emission reduction are effectively realized, the environment is protected, and the operation is safe and practical.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a semi-coke quenching transfer system according to the present invention;
FIG. 2 is a schematic view showing the connection between the coke oven cone bottom and the semicoke coke pushing mechanism in FIG. 1;
FIG. 3 is a schematic view of the discharge mechanism of FIG. 1;
in the figure, 1-coke oven cone bottom, 11-cone bottom cooling water jacket, 12-cooling ring pipe, 2-semicoke coke pushing mechanism, 21-coke supporting plate, 22-coke pushing equipment, 221-eccentric driving machine, 222-connecting rod, 23-coke pushing plate, 24-semicoke guide pipe, 25-cut-off valve plate, 26-hydraulic driving machine, 3-chain trigger conveying mechanism, 31-sealing shell, 311-cooling spray pipe, 312-ship-shaped water tank, 313-water spray pipe, 32-chain trigger, 321-convex strip, 33-furnace gas plugging component, 331-gas curtain, 332-carbon fiber blocking strip screen, 34-plaster mud cleaning component, 341-tensioning block, 4-discharging mechanism, 41-conventional middle bin, 42-first apple-type semicoke middle bin, 43-second apple-type semicoke middle bin, 44-pressure equalizing pipeline, 45-first door, 46-second door, 47-first pressure equalizing valve, 48-second pressure equalizing valve, 49-third pressure equalizing valve, 5-coke conveying adhesive tape and 6-finished coke conveying bin.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
As shown in fig. 1, an embodiment of the present invention provides a semi coke quenching transfer system, which includes: the coke oven cone bottom conveying device comprises a coke oven cone bottom 1, a semi-coke pushing mechanism 2, a chain trigger conveying mechanism 3 and a discharging mechanism 4, wherein the bottom of the coke oven cone bottom 1 is in butt joint with the semi-coke pushing mechanism 2, the chain trigger conveying mechanism 3 comprises a sealing shell 31, a chain trigger 32 and an oven gas plugging component 33, the top of the sealing shell 31 is in butt joint with the semi-coke pushing mechanism 2, the front end of the sealing shell 31 is in butt joint with the discharging mechanism 4, the chain trigger 32 is arranged in the sealing shell 31 and used for receiving semi-coke pushing mechanism 2, sending semi-coke into the sealing shell 31 and conveying the semi-coke to the discharging mechanism 4, the oven gas plugging component 33 is arranged at the position where the sealing shell 31 is in butt joint with the discharging mechanism 4 so that the front end where the sealing shell 31 is in butt joint with the discharging mechanism 4 forms a gas isolation area, a water spray cooling mechanism located above the chain trigger 32 is arranged on the sealing shell 31 along the conveying direction of the chain trigger 32, and the water spray cooling mechanism can spray water to the chain trigger 32.
In the invention, the water spray cooling mechanism sprays water vapor to the sealed shell 31, so that on one hand, the effect of quenching coke and cooling is achieved, the generated water vapor goes upwards, the water gas reaction is increased, the hydrogen content in the coke oven gas can be increased, and the coal gas heat value and the coal pyrolysis efficiency are improved; on the other hand, the water content of the semi-coke can be adjusted to form a semi-coke product with adjustable and controllable water content; the furnace gas plugging component 33 is arranged to form a gas isolation area, so that leakage and escape of coke oven gas are reduced, the risk of operation poisoning is reduced, and the working environment of operation staff is improved; the sensible heat recovery efficiency is improved, the energy conservation and emission reduction are effectively realized, and the environment is protected, so that the operation is safe and practical.
Specifically, as shown in fig. 2, a conical bottom cooling water jacket 11 is sleeved on the outer wall of the conical bottom 1 of the coke oven, and the conical bottom cooling water jacket 11 is filled with cooling water, so that the conical bottom 1 of the coke oven can be cooled, and the semi coke quenching cooling is facilitated.
The coke oven is characterized in that a semi-coke discharge port is formed at the bottom of the coke oven conical bottom 1, a cooling ring pipe 12 is arranged in the center of the semi-coke discharge port, the cooling ring pipe 12 is communicated with external water supply equipment, semi-coke in the coke oven conical bottom 1 is in contact with the cooling ring pipe 12 when passing through the semi-coke discharge port, and the cooling ring pipe 12 cools the semi-coke.
Specifically, the semicoke coke pushing mechanism 2 comprises a coke supporting plate 21, a coke pushing device 22, a coke pushing plate 23 and a semicoke conduit 24 which are arranged below the semi-coke discharge port of the coke oven cone bottom 1, one end of the semicoke conduit 24 is in butt joint with the coke supporting plate 21, the other end of the semicoke conduit is in butt joint communication with the sealing shell 31, the coke pushing plate 23 is arranged on the coke supporting plate 21 and is connected with the coke pushing device 22, and the coke pushing device 22 can drive the coke pushing plate 23 to move relative to the coke supporting plate 21 so as to push the semicoke on the coke supporting plate 21 into the semicoke conduit 24 and fall into the sealing shell 31.
The coke pushing equipment 22 comprises an eccentric driving machine 221 and a connecting rod 222, one end of the connecting rod 222 is hinged to the eccentric driving machine 221, the other end of the connecting rod 222 is connected to the coke pushing plate 23, when the eccentric driving machine 221 works eccentrically, the connecting rod 222 is driven to reciprocate, and the connecting rod 222 drives the coke pushing plate 23 to reciprocate, so that the semi-coke on the coke supporting plate 21 is pushed into the semi-coke guide pipe 24.
The semicoke coke pushing mechanism 2 further includes a stop valve plate 25 and a hydraulic driver 26, the stop valve plate 25 is provided at one end where the semicoke duct 24 and the seal housing 31 are butted against each other, and the hydraulic driver 26 is connected to the stop valve plate 25 and is capable of driving the stop valve plate 25 to move relative to the semicoke duct 24 so that the stop valve plate 25 has at least a first state where it completely blocks an end of the semicoke duct 24 and a second state where it does not completely block an end of the semicoke duct 24. When the cut-off valve plate 25 is in the first state, it blocks the end of the semicoke duct 24 and prevents the semi-coke in the semicoke duct 24 from falling into the seal housing 31, and when the cut-off valve plate 25 is in the second state, it opens the end of the semicoke duct 24 and allows the semi-coke in the semicoke duct 24 to fall into the seal housing 31.
Specifically, the sealing housing 31 is rectangular, a feed inlet butted with the semicoke coke pushing mechanism 2 is formed in the top of one end of the sealing housing 31, a discharge outlet butted with the discharging mechanism 4 is formed in the bottom of the other end of the sealing housing 31, the chain plate machine 32 is arranged in the sealing housing 31 along the length direction of the sealing housing 31, one end of the chain plate machine 32 is located below the feed inlet, the other end of the chain plate machine 32 is located above the discharge outlet, and the chain plate machine 32 is used for conveying the semi-coke falling from the semicoke coke pushing mechanism 2 to the feed inlet and falling into the discharging mechanism 4.
The chain plate machine 32 comprises a chain and a driving roller, the chain is sleeved on the driving roller, and the driving roller drives the chain to do rotary motion. In this embodiment, the conveying direction of the upper layer of the chain is from the semicoke coke pushing mechanism 2 to the discharging mechanism 4, and the conveying direction of the upper layer of the chain is from the semicoke coke pushing mechanism 2 to the discharging mechanism 4, so that the rotary motion is realized.
The chain is articulated formation end to end in proper order by a plurality of link joints, be provided with sand grip 321 on the link joint, sand grip 321 can reduce blue charcoal during chain rotary motion and remove, effectively reduces the breakage rate of blue charcoal.
It should be noted that one end of the chain plate machine 32 close to the discharging mechanism 4 is higher than one end close to the semi-coke pushing mechanism 2, one end of the sealing shell 31 in butt joint with the discharging mechanism 4 is higher than one end of the sealing shell 31 in butt joint with the semi-coke pushing mechanism 2, and one end of the sealing shell 31 in butt joint with the semi-coke pushing mechanism 2 is recessed to form a boat-shaped water tank 312; the purpose of this arrangement is that when the chain trigger 32 conveys the semi coke to the discharge mechanism 4, the water vapor on the semi coke and the water vapor injected from the cooling nozzle 311 flow back into the boat-shaped water tank 312 under the action of gravity, so as to control the water level of the tank body and the water content of the coke mud.
Specifically, the furnace gas plugging component 33 includes an air curtain 331 and a carbon fiber blocking strip screen 332, the air curtain 331 and the carbon fiber blocking strip screen are vertically fixed on the inner wall of the sealing shell 31, the chain plate machine 32 penetrates through the air curtain 331 and the carbon fiber blocking strip screen 332, and the air curtain 331 and the carbon fiber blocking strip screen 332 can isolate furnace gas generated in the semi coke quenching process at one side of the sealing shell 31, so that furnace gas leakage and environmental pollution are avoided, leakage and escape of coke oven gas can be reduced, the risk of operation poisoning is reduced, and the working environment of operators is improved.
In this embodiment, the scraper conveyor 3 further includes a mortar cleaning assembly 34, the mortar cleaning assembly 34 is disposed in the sealing housing 31 and below the scraper 32, and the mortar cleaning assembly 34 contacts and moves relative to the scraper moving from the discharge mechanism 4 to the semicoke coke pushing mechanism 2 to catch residual carbon residue on the scraper.
The plaster sludge cleaning component 34 comprises driving rollers arranged at intervals and a rotary chain belt sleeved on the driving rollers, a plurality of scraping plates capable of contacting with the chain plates are arranged on the rotary chain belt at intervals, the driving rollers drive the rotary chain belt to rotate, and the scraping plates move relative to the chain plates, so that residual carbon slag on the chain plates is hung down.
In this embodiment, the driving roller drives the revolving chain to rotate in a direction opposite to the chain rotating direction of the link plate machine, and the scraper moves relative to the link plate to hang off the residual carbon residue on the link plate.
The water spray cooling mechanism comprises a plurality of cooling spray pipes 311, the cooling spray pipes 311 are arranged on the sealing shell 31 and arranged along the conveying direction of the chain plate machine 32, the cooling spray pipes 311 are located above the chain plate machine 32, and the cooling spray pipes 311 are connected with external supply equipment and can spray steam to the chain plate machine 32 to cool the semi coke on the chain plate machine 32.
In order to improve the cleaning effect of the chain plate, the water spray cooling mechanism further comprises a plurality of water spray pipes 313 which are positioned between the upper layer of the chain and the lower layer of the chain, wherein the water spray pipes 313 are arranged on the sealing shell 31 and connected with external water supply equipment, and can spray water to the lower layer of the chain, so that the cleaning effect of the scraper on the chain is improved.
In addition, a valve capable of adjusting the water yield is arranged on the water spraying pipe 313, and the water spraying pipe 313 can assist in cleaning the chain on one hand and can adjust the moisture in the chain plate machine conveying mechanism 3 on the other hand so as to keep the moisture content of the semi coke in a proper range.
It should be noted that the end of the stucco slurry assembly 34 near the discharge mechanism 4 is higher than the end of the stucco slurry assembly 34 near the semicoke coke pushing mechanism 2, so as to be attached to the chain scraper 32, and to allow the suspended carbon residue to fall into the boat-shaped water tank 312 for subsequent centralized processing.
The stucco cleaning assembly 34 also includes a tensioning block 341, the tensioning block 341 being connected to one of the drive rollers to keep the drive rollers spaced apart, to keep the rotary chain belt taut at all times, and to prevent tooth pressing or tooth skipping when the rotary chain belt is driven.
Specifically, as shown in fig. 3, discharge mechanism 4 sets up conventional intermediate bin 41, first apple-shaped semicoke intermediate bin 42, second apple-shaped semicoke intermediate bin 43 and pressure equalizing pipe 44 including piling up in proper order, conventional intermediate bin 41 top with seal shell 31 docks, conventional intermediate bin 41 bottom with the top of first apple-shaped semicoke intermediate bin 42 docks, the bottom of first apple-shaped semicoke intermediate bin 42 with second apple-shaped semicoke intermediate bin 43 docks, conventional intermediate bin 41 with be provided with first apple-shaped semicoke intermediate bin door 45 between the first apple-shaped semicoke intermediate bin 42, first apple-shaped semicoke intermediate bin 42 with be provided with second apple-shaped semicoke intermediate bin 46 between 43, pressure equalizing pipe 44 with conventional intermediate bin 41, first apple-shaped semicoke intermediate bin 42 and second apple-shaped semicoke intermediate bin 43 connects, conventional intermediate bin 41 with the junction of second apple-shaped semicoke intermediate bin 44 is provided with first pressure equalizing valve 47, first apple-shaped semicoke intermediate bin 42 is provided with second pressure equalizing valve 48 and pressure equalizing pipe 49 junction.
When the device is used, the semi-coke firstly falls into the conventional intermediate bin 41, when the semi-coke in the conventional intermediate bin 41 is fully accumulated, the first pressure equalizing valve 47 and the second pressure equalizing valve 48 are opened to ensure that the pressure in the conventional intermediate bin 41 is the same as that in the first apple-shaped semi-coke intermediate bin 42, then the first door 45 is opened, and the semi-coke in the conventional intermediate bin 41 falls into the first apple-shaped semi-coke intermediate bin 42; when blue charcoal in the first apple type semicoke intermediate bin 42 is piled up to fill up the back, opens second pressure equalizing valve 48 and third pressure equalizing valve 49 makes pressure in first apple type semicoke intermediate bin 42 and the second apple type semicoke intermediate bin 43 is the same, opens again second hatch door 46, blue charcoal in the first apple type semicoke intermediate bin 42 then falls into in the second apple type semicoke intermediate bin 43. Therefore, the semi-coke is stored step by step, and the semi-coke is further cooled in the storage process.
In this embodiment, the coke quenching device further comprises a rubber belt coke conveyer 5 and a finished product bin 6, wherein one end of the rubber belt coke conveyer 5 is in butt joint with the second apple-type semi-coke intermediate bin 43, the other end of the rubber belt coke conveyer 5 is in butt joint with the finished product bin 6, and the rubber belt coke conveyer 5 is used for conveying the semi-coke which is quenched and cooled into the finished product bin 6 for storage.
The invention has the beneficial effects that:
the invention provides a semi coke quenching transfer system, which sprays steam to a sealed shell through a cooling spray pipe, on one hand, the coke quenching transfer system plays a role in quenching and cooling, the generated steam goes upwards, the water gas reaction is increased, the hydrogen content in coke oven gas can be increased, and the gas heat value and the coal pyrolysis efficiency are improved; on the other hand, the water content of the semi-coke can be adjusted to form a semi-coke product with adjustable and controllable water content; the furnace gas plugging component is arranged to form a gas isolation area, so that leakage and escape of coke oven gas can be reduced, the risk of operation poisoning is reduced, and the working environment of operation staff is improved; the coke oven gas can be recovered in a centralized way, the sensible heat recovery efficiency is improved, the energy conservation and emission reduction are effectively realized, and the environment is protected, and the operation is safe and practical.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention.
Claims (10)
1. A semi coke quenching transfer system is characterized by comprising:
the coke oven device comprises a coke oven conical bottom, a semi-coke pushing mechanism, a chain plate machine conveying mechanism and a discharging mechanism, wherein the bottom of the coke oven conical bottom is in butt joint with the semi-coke pushing mechanism, the chain plate machine conveying mechanism comprises a sealing shell, a chain plate machine and an oven gas plugging component, the top of the sealing shell is in butt joint with the semi-coke pushing mechanism, the front end of the sealing shell is in butt joint with the discharging mechanism, the chain plate machine is arranged in the sealing shell and used for receiving blue carbon sent into the sealing shell by the semi-coke pushing mechanism and conveying the blue carbon to the discharging mechanism, the oven gas plugging component is arranged at the position where the sealing shell is in butt joint with the discharging mechanism so that a gas isolation area is formed at the front end where the sealing shell is in butt joint with the discharging mechanism, a water spray cooling mechanism located above the chain plate machine is arranged on the sealing shell along the conveying direction of the chain plate machine, and the water spray cooling mechanism can spray water vapor to the chain plate machine.
2. The semi-coke quenching and transferring system as claimed in claim 1, wherein a conical bottom cooling water jacket is sleeved on the outer wall of the conical bottom of the coke oven, cooling water is filled in the conical bottom cooling water jacket, a semi-coke discharging port is formed at the bottom of the conical bottom of the coke oven, a cooling ring pipe is arranged in the center of the semi-coke discharging port, and the cooling ring pipe is communicated with external water supply equipment.
3. The semi-coke quenching and transferring system as claimed in claim 2, wherein the semi-coke pushing mechanism comprises a coke supporting plate, a coke pushing device, a coke pushing plate and a semi-coke guide pipe, the coke supporting plate, the coke pushing device, the coke pushing plate and the semi-coke guide pipe are arranged below the semi-coke discharge port of the coke oven cone bottom, one end of the semi-coke guide pipe is in butt joint with the coke supporting plate, the other end of the semi-coke guide pipe is in butt joint communication with the sealing shell, the coke pushing plate is arranged on the coke supporting plate and is connected with the coke pushing device, and the coke pushing device can drive the coke pushing plate to move relative to the coke supporting plate, push the semi-coke on the coke supporting plate into the semi-coke guide pipe and fall into the sealing shell.
4. The semi coke quenching transfer system of claim 3, wherein the coke pushing device comprises an eccentric driving machine and a connecting rod, one end of the connecting rod is hinged with the eccentric driving machine, and the other end of the connecting rod is connected with the coke pushing plate.
5. The semi coke quenching and transferring system of claim 1, wherein the chain plate machine comprises a chain and a driving roller, the chain is sleeved on the driving roller, the driving roller drives the chain to rotate, the chain is formed by a plurality of chain plates which are sequentially hinged end to end, and the chain plates are provided with protruding strips.
6. The semi-coke quenching and transferring system of claim 5, wherein one end of the chain plate machine close to the discharging mechanism is higher than one end close to the semi-coke pushing mechanism, the end of the sealing shell in butt joint with the discharging mechanism is higher than the end of the sealing shell in butt joint with the semi-coke pushing mechanism, and the end of the sealing shell in butt joint with the semi-coke pushing mechanism is concave inwards to form a boat-shaped water tank.
7. The semi coke quenching transfer system of claim 6, wherein the furnace gas plugging assembly comprises an air curtain and a carbon fiber blocking strip screen, the air curtain and the carbon fiber blocking strip screen are vertically fixed on the inner wall of the sealed shell, and the chain plate machine penetrates through the air curtain and the carbon fiber blocking strip screen.
8. The semi-coke quenching transfer system of claim 7, wherein the scraper conveyor transport mechanism further comprises a stucco cleaning assembly disposed within the sealed housing and below the scraper conveyor, the stucco cleaning assembly contacting and moving relative to the scraper plate moving from the discharge mechanism to the semi-coke pushing mechanism to pick up residual char on the scraper plate, an end of the stucco cleaning assembly near the discharge mechanism being higher than an end of the stucco cleaning assembly near the semi-coke pushing mechanism.
9. The semi-coke quenching and transporting system according to claim 1, wherein the discharging mechanism comprises a conventional intermediate bin, a first apple-shaped semi-coke intermediate bin, a second apple-shaped semi-coke intermediate bin and a pressure equalizing pipeline stacked in sequence, the top of the conventional intermediate bin is in butt joint with the sealing shell, the bottom of the conventional intermediate bin is in butt joint with the top of the first apple-shaped semi-coke intermediate bin, the bottom of the first apple-shaped semi-coke intermediate bin is in butt joint with the second apple-shaped semi-coke intermediate bin, a first door is arranged between the conventional intermediate bin and the first apple-shaped semi-coke intermediate bin, a second door is arranged between the first apple-shaped semi-coke intermediate bin and the second apple-coke intermediate bin, the pressure equalizing pipeline is connected with the conventional intermediate bin, the joint of the conventional intermediate bin and the pressure equalizing pipeline is provided with a first pressure equalizing valve, the joint of the first apple-shaped semi-coke intermediate bin and the pressure equalizing pipeline is provided with a second pressure equalizing valve, and the second pressure equalizing pipeline is connected with a third pressure equalizing valve.
10. The semi-coke quenching transfer system of claim 9, further comprising a tape coke conveyor and a finished product bin, wherein one end of the tape coke conveyor is butted with the second apple-type semi-coke intermediate bin, and the other end of the tape coke conveyor is butted with the finished product bin.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200180923Y1 (en) * | 1999-12-15 | 2000-05-15 | 포항종합제철주식회사 | Apparatus for preventing rainwater from flowing into coking chamber charging hole of coke oven |
| CN101851517A (en) * | 2010-06-02 | 2010-10-06 | 王建平 | Semi-coke dry-quenching equipment of vertical internally-heated hollow carbonization furnace |
| CN101880537A (en) * | 2010-07-27 | 2010-11-10 | 张乃文 | Semi coke furnace dry quenching system |
| KR20140084781A (en) * | 2012-12-27 | 2014-07-07 | 주식회사 포스코 | Apparatus for even cooling cokes of cokes dry quenching equipment |
| CN104419432A (en) * | 2013-08-29 | 2015-03-18 | 王建平 | Novel dry semi-coke quenching device used in internally-heated vertical open-web carbonization furnace |
| WO2015036109A1 (en) * | 2013-09-12 | 2015-03-19 | Thyssenkrupp Industrial Solutions Ag | Method and device for wet quenching of hot coke |
| CN104710995A (en) * | 2015-04-02 | 2015-06-17 | 山东理工大学 | Dry quenching and waste-heat utilization device suitable for ramsbottom carbon bulk ingredient |
| CN105754615A (en) * | 2014-12-18 | 2016-07-13 | 郭侯贤 | Blue-coke dry-quenching apparatus |
| DE102017206460A1 (en) * | 2017-04-13 | 2018-10-18 | Thyssenkrupp Ag | Apparatus and process for the recovery of gases when coking carbonaceous feedstock and use |
| WO2020122634A2 (en) * | 2018-12-12 | 2020-06-18 | 주식회사 포스코 | Coke dry quenching method in cdq equipment |
| CN113403092A (en) * | 2021-07-16 | 2021-09-17 | 中煤能源研究院有限责任公司 | Sealed rotary type low-moisture coke quenching and discharging device |
| CN114369469A (en) * | 2021-11-26 | 2022-04-19 | 内江市博威能源有限公司 | Cooling device for coke discharging mouth of dry quenching furnace and use method thereof |
-
2022
- 2022-08-19 CN CN202211003379.2A patent/CN115418241B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200180923Y1 (en) * | 1999-12-15 | 2000-05-15 | 포항종합제철주식회사 | Apparatus for preventing rainwater from flowing into coking chamber charging hole of coke oven |
| CN101851517A (en) * | 2010-06-02 | 2010-10-06 | 王建平 | Semi-coke dry-quenching equipment of vertical internally-heated hollow carbonization furnace |
| CN101880537A (en) * | 2010-07-27 | 2010-11-10 | 张乃文 | Semi coke furnace dry quenching system |
| KR20140084781A (en) * | 2012-12-27 | 2014-07-07 | 주식회사 포스코 | Apparatus for even cooling cokes of cokes dry quenching equipment |
| CN104419432A (en) * | 2013-08-29 | 2015-03-18 | 王建平 | Novel dry semi-coke quenching device used in internally-heated vertical open-web carbonization furnace |
| WO2015036109A1 (en) * | 2013-09-12 | 2015-03-19 | Thyssenkrupp Industrial Solutions Ag | Method and device for wet quenching of hot coke |
| CN105754615A (en) * | 2014-12-18 | 2016-07-13 | 郭侯贤 | Blue-coke dry-quenching apparatus |
| CN104710995A (en) * | 2015-04-02 | 2015-06-17 | 山东理工大学 | Dry quenching and waste-heat utilization device suitable for ramsbottom carbon bulk ingredient |
| DE102017206460A1 (en) * | 2017-04-13 | 2018-10-18 | Thyssenkrupp Ag | Apparatus and process for the recovery of gases when coking carbonaceous feedstock and use |
| WO2020122634A2 (en) * | 2018-12-12 | 2020-06-18 | 주식회사 포스코 | Coke dry quenching method in cdq equipment |
| CN113403092A (en) * | 2021-07-16 | 2021-09-17 | 中煤能源研究院有限责任公司 | Sealed rotary type low-moisture coke quenching and discharging device |
| CN114369469A (en) * | 2021-11-26 | 2022-04-19 | 内江市博威能源有限公司 | Cooling device for coke discharging mouth of dry quenching furnace and use method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李惠娟;赵俊学;李小明;刘军利;华建设;: "以干馏煤气为介质的半焦干熄焦技术研究", 煤炭转化, no. 01, pages 33 - 37 * |
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