CN108131952B - Discharging process and discharging system for discharging carbon material production kiln materials - Google Patents
Discharging process and discharging system for discharging carbon material production kiln materials Download PDFInfo
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- CN108131952B CN108131952B CN201810142990.0A CN201810142990A CN108131952B CN 108131952 B CN108131952 B CN 108131952B CN 201810142990 A CN201810142990 A CN 201810142990A CN 108131952 B CN108131952 B CN 108131952B
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- 239000000463 material Substances 0.000 title claims abstract description 227
- 238000007599 discharging Methods 0.000 title claims abstract description 108
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000008569 process Effects 0.000 title claims abstract description 24
- 239000003575 carbonaceous material Substances 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000000428 dust Substances 0.000 claims description 77
- 230000007246 mechanism Effects 0.000 claims description 35
- 238000003860 storage Methods 0.000 claims description 30
- 230000007704 transition Effects 0.000 claims description 13
- 238000012216 screening Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 18
- 239000002893 slag Substances 0.000 description 11
- 238000001816 cooling Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 8
- 239000006096 absorbing agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 239000007792 gaseous phase Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000109 continuous material Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Furnace Details (AREA)
Abstract
The invention relates to a discharging process and a discharging system for discharging a carbon material production kiln material, comprising a material sucking unit, wherein the material sucking unit comprises a material sucking vehicle which can move among a plurality of kiln chambers, a plurality of conveying pipes which are arranged in a one-to-one correspondence manner with each kiln chamber and are fixedly arranged beside each kiln chamber, the plurality of conveying pipes are connected in parallel, and the output ends of the plurality of conveying pipes are connected with a fixedly arranged stock bin; the material sucking vehicle is provided with a material sucking device which can extend into the kiln chamber to suck materials, the output end of the material sucking device is provided with a telescopic pipe, and the telescopic pipe can be connected with the input end of the material conveying pipe through a quick sealing joint. The discharging process and the discharging system for discharging the carbon material production kiln material can reduce the complexity of the traditional material sucking operation, have less investment, are more flexible to install and arrange, and can effectively improve the discharging efficiency of the material.
Description
Technical Field
The invention relates to the technical field of smelting equipment, in particular to a discharging process and a discharging system for discharging a carbon material production kiln material.
Background
The suction and discharge crown block is special equipment matched with a carbon material production kiln of a carbon plant and is used for discharging materials in the kiln. The suction and discharge crown block can effectively relieve the labor intensity of workers, improve the production efficiency, and more importantly, protect the environment, control the pollution of dust to the environment and reduce the harm to human bodies. However, the suction and discharge system, the cooling system, the dust removal system, the electric control system and the like in the suction and discharge crown block are all arranged on the crown block running mechanism and move along with the crown block running mechanism, so that when the furnace chamber is filled with materials, if the material bin in the suction and discharge system is full of the materials, the crown block running mechanism is required to be moved to a designated position for discharging, and then the crown block running mechanism is moved to the furnace chamber where the materials are required to be sucked for continuously sucking the materials, so that the suction and discharge operations cannot be continuously performed at the same time in the suction process, and the crown block running mechanism is required to perform cyclic reciprocating movement between the furnace chamber and the designated position for discharging the materials, so that the waste of the material discharging time is serious, and the furnace discharging efficiency of the materials in the furnace is seriously low; meanwhile, the suction and discharge system is arranged on the crown block running mechanism, and the volume of a storage bin in the suction and discharge system is limited to a certain extent. In addition, if the crown block running mechanism fails, the whole suction and discharge crown block cannot work, production is directly affected, and troubleshooting is inconvenient.
Disclosure of Invention
In order to solve the problems, the invention provides a discharging system for discharging the kiln materials for producing the carbon materials, which can realize rapid discharging treatment of the materials in the kiln, reduce the complexity of discharging operation of the traditional kiln materials and effectively improve the discharging efficiency of the materials.
In order to achieve the purpose, the discharging system for discharging the carbon material production kiln materials comprises a material sucking unit, wherein the material sucking unit comprises a material sucking vehicle capable of moving among a plurality of kiln chambers, a plurality of conveying pipes which are arranged in one-to-one correspondence with each kiln chamber and are fixedly arranged beside each kiln chamber are connected in parallel, and the output ends of the conveying pipes are connected with a fixedly arranged stock bin; the material sucking vehicle is provided with a material sucking device which can extend into the kiln chamber to suck materials, the output end of the material sucking device is provided with a telescopic pipe, and the telescopic pipe can be connected with the input end of the material conveying pipe through a quick sealing joint.
According to the discharging system, the traditional sucking and discharging crown block is replaced by the mutually matched sucking skip car which can move among a plurality of furnace chambers of the kiln, the conveying pipes and the storage bins which are fixedly arranged beside the furnace chambers of the kiln, the sucking skip car is only required to move beside the furnace chamber of the kiln, the conveying pipes which are fixedly arranged beside the furnace chamber of the kiln are connected with the sucking pipes on the sucking skip car, and the materials in the furnace chamber of the kiln can be continuously discharged, and the storage bins are fixedly arranged, so that the number and the volume of the storage bins can be set according to actual production conditions, and the sucking and discharging requirements and continuous sucking and discharging operations in production are met. In the whole discharging treatment, the continuous discharging of the materials in the kiln furnace chamber can be realized by only moving the suction trolley between the kiln furnace chambers and quickly connecting the suction pipe with the conveying pipe fixedly arranged beside the kiln furnace chamber, the operation is simple and convenient, the complexity of the traditional suction operation is effectively reduced, and the discharging efficiency of the materials can be obviously improved.
As a further limitation to the technical scheme, the automatic slag-cooling device further comprises a discharging unit which is connected with the material-absorbing unit in series and arranged at the downstream of the material-absorbing unit, wherein the discharging unit comprises a slag cooling machine, a lifting machine and a vibrating screen which are sequentially connected, the input end of the slag cooling machine is connected with the output end of a storage bin, the output end of the vibrating screen is connected with a blanking pipe, and a screening storage bin is arranged below the blanking pipe; the discharging unit and the sucking unit are electrically connected with a control unit for automatic control.
The discharging unit is arranged at the downstream of the material sucking unit, and can timely perform discharging operation on materials in the bins, so that at least one of the at least two bins is an empty bin, and continuous discharging of kiln materials in the carbon plant is realized.
The control unit can automatically control and monitor the whole discharging process in real time, so that the mechanical strength is greatly improved, and the labor condition and the labor intensity of workers are improved.
As a further limitation to the technical scheme, dust collection covers are arranged at the output end of the lifting machine and the outlet of the blanking pipe, the dust collection covers are connected with a dust remover through an air pipe, and the dust remover is connected with an induced draft fan for providing negative pressure.
Dust collection covers are used for absorbing dust generated at the output end of the lifting machine and the outlet of the blanking pipe, dust is removed by a dust remover, so that the dust concentration in the field operation environment is greatly reduced, workers have good working environments, health hazard of the dust to the workers is prevented, and the safety production of enterprises is ensured.
As a further limitation to the technical scheme, the device also comprises a dust removing unit which is connected with the material sucking unit and is arranged at the downstream of the material sucking unit, wherein the dust removing unit comprises a cooler, a dust filter and a Roots blower which are sequentially connected, and the input end of the cooler is communicated with the top of the storage bin through a pipeline; the dust removing unit is electrically connected to a control unit for automatic control.
The dust removal unit arranged at the downstream of the material suction unit can treat dust generated in the material suction process, so that the pollution of the dust in a factory building can be effectively reduced, and the labor environment is greatly improved.
As a further limitation to the technical scheme, the suction truck comprises a truck body, a travelling mechanism arranged at the bottom of the truck body and a driving mechanism for driving the travelling mechanism to move, wherein the travelling mechanism is matched with a track arranged next to a kiln chamber, and the driving mechanism can drive the travelling mechanism to move along the track.
As a further limitation to the technical scheme, the material suction device comprises a material transition tank and a material suction pipe which is connected with the input end of the material transition tank and can stretch in the vertical direction, and a rotating mechanism which can enable the material suction pipe to rotate horizontally by 360 degrees is arranged at the joint of the material suction pipe and the material transition tank; the output end of the material transition tank is connected with a telescopic pipe, and the telescopic pipe can stretch in the horizontal direction.
The material sucking pipe can be horizontally arranged in 360 degrees, so that the material sucking pipe can suck materials in the kiln chamber in an all-dimensional manner, the materials can be sucked out of the kiln chamber completely, and the phenomenon that the production efficiency of enterprises is affected due to the fact that the residues of the materials occur in the kiln chamber is avoided.
As a further limitation of the above technical solution, the silo comprises at least two of them arranged in parallel, working alternately.
The multiple bins which are arranged in parallel can realize alternate work, so that continuity of material sucking operation is realized, and the discharging efficiency of materials is improved.
As a further limitation to the above technical solution, the quick sealing joint is composed of a male joint and a female joint which are connected in a matching way, the male joint is welded at the output end of the telescopic pipe, and the female joint is welded at the input end of the conveying pipe; the outer wall of the male connector is provided with a guide device which leads the male connector into the female connector, and the female connector is internally provided with a graphite fiber sealing ring.
The quick sealing joint can realize quick connection between the telescopic pipe and the conveying pipe, thereby achieving the purpose of quick replacement of the fixed conveying pipe beside different furnace chambers and effectively improving the working efficiency; and the guide device arranged on the outer wall of the male connector can enable the male connector welded on the telescopic pipe to realize quick alignment after being butted with the welded female connector on the conveying pipe in the moving process, thereby completing the quick connection of the male connector and the female connector, improving the butting speed, enabling the telescopic pipe to realize quick assembly with the conveying pipe in the moving process, effectively saving the butting time and improving the tapping efficiency.
The invention also provides a discharging process for discharging the carbon material production kiln material, which is performed in the discharging system for discharging the carbon material production kiln material, and comprises a material sucking treatment step, wherein the material sucking treatment step comprises the following operations:
moving a suction vehicle to the side of a kiln chamber where suction operation is required, connecting a telescopic pipe arranged at the output end of a suction device with a conveying pipe fixedly arranged at the side of the kiln chamber through a quick seal joint, and conveying the material in the kiln chamber to a storage bin connected with the conveying pipe through the suction device, wherein the input end of the suction device stretches into the position below the material liquid level in the kiln chamber; after the materials in the kiln chamber are sucked, the input end of the suction device is pulled out from the kiln chamber, and a quick sealing joint for connecting the suction pipe and the delivery pipe is opened, so that the telescopic pipe at the output end of the suction device is separated from the delivery pipe, and then the suction vehicle is moved to the next kiln chamber where the suction operation is required, and the materials in the kiln chamber are continuously discharged according to the operation.
In order to cooperate with the discharging system, the invention also provides a discharging process applied to the discharging system, which is simple in operation and easy in operation, and can be beneficial to discharging treatment of materials in a kiln and stable operation of the system.
As a further limitation to the technical scheme, the method further comprises a discharging treatment step and a dust removal treatment step, wherein the discharging treatment step and the dust removal treatment step are arranged at the downstream of the material sucking treatment step and are matched with the material sucking treatment;
the unloading treatment step comprises the following operations that after materials enter a bin and settle to the bottom of the bin, the materials are output and cooled to obtain low-temperature materials, the low-temperature materials are conveyed to a vibrating screen through a lifting machine, the materials with different particle size ranges are obtained through the vibrating screen, and the materials are conveyed to a screening bin for storage;
the dust removal treatment step comprises the following operation that the gas at the top of the storage bin is cooled by water or air so as to reduce the temperature of the gas to below 40 ℃, then the gas enters a dust filter, the gas is subjected to dust adsorption treatment on the gas flow by a filtering component, and the discharged gas is discharged into the atmosphere by a Roots blower.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure: 1-a skip car; 101-a vehicle body; 102, a walking mechanism; 103-a material transition tank; 104-a suction pipe; 105-telescopic tube; 106-a rotation mechanism; 2-a material conveying pipe; 3-a storage bin; 301-a discharge valve; 302-a closed valve; 4-quick seal joint; a 5-cooler; 6-a dust filter; 7-Roots blower; 8-a first exhaust stack; 9-a muffler; 10-a slag cooler; 11-a lifter; 12-a vibrating screen; 13-screening bin; 14-induced draft fan; 15-a dust remover; 16-a second exhaust stack; 17-wind pipes; 18-dust collection cover.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
The embodiment relates to a discharging system for discharging materials from a kiln for producing carbon materials, which is used for discharging materials in the kiln.
As shown in fig. 1, the discharging system comprises a material sucking unit, wherein the material sucking unit comprises a material sucking vehicle 1 capable of moving among a plurality of kiln chambers, a plurality of material conveying pipes 2 are arranged in one-to-one correspondence with each kiln chamber and are fixedly arranged beside each kiln chamber, the plurality of material conveying pipes 2 are connected in parallel, and the output ends of the plurality of material conveying pipes 2 are connected with a fixedly arranged stock bin 3. The material sucking vehicle 1 is provided with a material sucking device which can extend into a kiln chamber to suck materials, the output end of the material sucking device is provided with a telescopic pipe 105, and the telescopic pipe 105 can be connected with the input end of the material conveying pipe 2 through a quick sealing joint 4. Therefore, when the kiln in the production of the carbon material is subjected to the material sucking operation, the material sucking vehicle 1 with the material sucking device is only required to be moved to the side of different kiln chambers, and the material sucking operation on the kiln chambers can be started by connecting the conveying pipe 2 matched with the side of the kiln chambers with the telescopic pipe 105 on the material sucking device through the quick sealing joint 4. Because conveying pipe 2 and feed bin 3 are all fixed to be set up in the factory building, so be convenient for install and arrange in the factory building, and the number and the volume of feed bin 3 also can set up according to actual production condition to make it can satisfy the sucking in the production, the demand of unloading and inhale in succession and unload the operation. The movable material sucking and discharging vehicle 1, the material conveying pipe 2 and the material bin 3 can replace the traditional material sucking and discharging crown block to perform discharging treatment on materials in a plurality of furnace chambers of the kiln, and compared with the traditional material sucking and discharging crown block, the movable material sucking and discharging vehicle has the advantages of being simple in operation, capable of realizing continuous material sucking and the like.
The quick seal joint 4 is composed of a male joint and a female joint which are connected in a matched mode, wherein the male joint is welded at the output end of the telescopic pipe 105, and the female joint is welded at the input end of the conveying pipe 2. And a guider for leading the male connector into the female connector is arranged on the outer wall of the male connector, and a graphite fiber sealing ring with sealing function is arranged in the female connector. The quick sealing joint 4 can realize quick connection between the telescopic pipe 105 and the conveying pipe 2, thereby achieving the purpose of quick replacement of the conveying pipe 2 fixedly arranged beside different kiln chambers and effectively improving the working efficiency; and the guide arranged on the outer wall of the male connector can enable the male connector welded on the telescopic pipe 105 to realize quick alignment after being butted with the welded female connector on the conveying pipe 2 in the moving process, thereby completing the quick connection between the male connector and the female connector, improving the butting speed of the telescopic pipe 105 and the conveying pipe 2, enabling the telescopic pipe 105 to be quickly assembled with the conveying pipe 2 in the moving process, effectively saving butting time and improving discharging efficiency.
The suction truck 1 comprises a truck body 101, a traveling mechanism 102 arranged at the bottom of the truck body 101 and a driving mechanism for driving the traveling mechanism 102 to move. The travelling mechanism 102 is matched with a rail arranged close to the kiln chamber, and the driving mechanism can drive the travelling mechanism 102 to move along the rail, so that the suction car 1 can move between different kiln chambers, and the suction car is convenient to stagnate at the peripheral sides of the different kiln chambers to suck materials in the kiln chambers. The driving mechanism is electrically connected with the automatic control device, so that the automatic control device can automatically control the driving mechanism. The driving mechanism can be a servo motor, and the speed and the position of the servo motor can be accurately controlled, so that the reaction speed is high, and the operation is stable. Of course, the driving mechanism may be other variable frequency motors that can move the vehicle body 101 along the track. In addition, the suction car 1 can be hoisted among a plurality of kiln chambers through a travelling crane arranged in a factory building to realize that the suction car 1 moves among the kiln chambers, so that the discharging treatment of materials in different kiln chambers is completed.
Further, the material sucking device comprises a material transition tank 103 and a material sucking pipe 104 which is connected with the input end of the material transition tank 103 and can stretch out and draw back in the vertical direction, and a rotating mechanism 106 which can enable the material sucking pipe 104 to rotate 360 degrees is arranged at the joint of the material sucking pipe 104 and the material transition tank 103, so that the material sucking pipe 104 can suck materials in the furnace in an omnibearing manner in the material sucking process, and the material sucking pipe is used for ensuring that the materials can be sucked out from the furnace chamber. The rotating mechanism 106 comprises a gear turntable and a cycloidal pin gear speed reducer, and the cycloidal pin gear speed reducer drives the gear to rotate so as to realize horizontal 360-degree rotation. The cycloidal pin gear speed reducer has the advantages of stable operation, low noise, compact structure, small volume and the like, is convenient to maintain, easy to disassemble and install, and is reliable to use. The output end of the material transition tank 103 is connected with the telescopic pipe 105, and the telescopic pipe 105 can be stretched in the horizontal direction, so that the telescopic pipe 105 can be conveniently connected with the conveying pipe 2 through the quick sealing joint 4.
The feed bins 3 are at least two feed bins 3 which are arranged in parallel and work alternately, namely, when one feed bin 3 performs the material sucking operation, one feed bin 3 can perform the discharging operation, and the same feed bin 3 cannot perform the discharging operation at the same time in the material sucking process. The top of the storage bin 3 is provided with a gas outlet, and the bottom of the storage bin is provided with a solid outlet. Each bin 3 is provided with a material level indicator for monitoring the height of the material in the bin 3, and the material level indicator is connected with an automatic control device, so that the automatic control device can regulate and control the suction and discharge states of the two bins 3 according to the detection results of the material level indicators in the two bins 3. In addition, the gas outlet and the solid outlet of the bin 3 are respectively provided with a closed valve 302 for realizing the opening and closing of the outlet of the bin 3, and the solid outlet is also provided with a discharge valve 301, wherein the discharge valve 301 is used for performing discharge operation on the bin 3 when the closed valve 302 is opened. A sealing valve 302 is also arranged at the joint of the feed bin 3 and the output end of the feed conveying pipe 2. The discharge valve 301 and the sealing valve 302 are connected with an automatic control device, so that the automatic control device can automatically control the opening and closing of the sealing valve 302 and the discharge valve 301, and the mutual switching between the material sucking operation and the material discharging operation of the two bins 3 is realized, so that the material sucking operation is continuously performed, and the material discharging efficiency is improved.
Further, the discharging system for discharging kiln materials in the production of carbon materials further comprises a discharging unit and a dust removing unit which are connected in series with the material sucking unit and arranged at the downstream of the material sucking unit, and a control unit for automatically controlling the material sucking unit, the discharging unit and the dust removing unit; the control unit is electrically connected with the material sucking unit, the discharging unit and the dust removing unit, so that the whole discharging process can be automatically controlled and monitored in real time through the control unit, the mechanical strength is greatly improved, and the labor condition and the labor intensity of workers are improved. The arrangement of the discharging unit can timely perform discharging operation on materials in the storage bins 3, so that at least one of the at least two storage bins 3 is empty, and kiln materials can be discharged conveniently to realize continuous discharging. The dust removal unit can be used for treating dust generated in the material sucking process, so that the pollution of the dust in a factory building can be effectively reduced, and the labor environment is greatly improved.
The discharging unit comprises a slag cooler 10, a lifting machine 11 and a vibrating screen 12 which are sequentially connected, wherein the input end of the slag cooler 10 is connected with the solid outlet of the storage bin 3, so that materials in the storage bin 3 enter the slag cooler 10 for cooling treatment, and then enter the vibrating screen 12 for screening treatment through the lifting machine 11. The slag cooler 10 comprises a bin body, wherein a plurality of inner pipes which are arranged in parallel are arranged in the bin body, and a cavity for flowing cooling water is formed between the inner pipes. The inner pipe is a whole pipe body without welding seams, so that leakage of materials in the pipe can be avoided, and the service life of the inner pipe is effectively prolonged. The inner pipe is internally provided with a helical blade for conveying materials, wherein the helical blade is also integrally formed, so that the later maintenance and replacement are facilitated. In addition, the bin body is also provided with a pressure relief valve, so that when the pressure exceeds the limit and other protections are out of control, the pressure relief valve can be opened to relieve pressure, explosion accidents are prevented, and safe production is ensured. The bin body is also provided with a uniform slag distributing device which is used for ensuring that each inner pipe can uniformly feed slag and discharge slag.
A plurality of layers of horizontally arranged screens are arranged in the vibrating screen 12, and the apertures of the layers of screens are sequentially reduced from top to bottom. The specific layer number of the screen is determined according to actual production requirements. The output of shale shaker 12 is connected with the blanking pipe, and every layer of screen cloth all is connected with the blanking pipe promptly, is equipped with screening feed bin 13 under the blanking pipe, so, the material through screening can pass through the blanking pipe landing to different screening feed bins 13 with different particle diameters in the storage to the later stage bagging-off of being convenient for sell.
In addition, dust collection covers 18 are arranged at the output end of the lifting machine 11 and the outlet of the blanking pipe and are used for collecting dust generated by movement of materials in the lifting machine 11 and the dust caused by sliding of the materials in the blanking pipe to the screening bin 13, so that the dust concentration of the field operation environment can be greatly reduced, the environmental atmosphere pollution is eliminated, the physical health of operation workers is facilitated, and the safe production can be ensured. The dust collection cover 18 is connected with the dust remover 15 through the air pipe 17, the dust remover 15 is connected with the induced draft fan 14 for providing negative pressure, the dust remover 15 can intercept dust collected by the dust collection cover 18, and the residual air flow is discharged into the atmosphere through the induced draft fan 14. The output end of the induced draft fan 14 is connected with a second exhaust funnel 16, the height of the second exhaust funnel 16 should not be lower than 15m, and the air flow at the output end of the induced draft fan 14 can be discharged into the atmosphere through the second exhaust funnel 16.
The dust collector includes cooler 5, dust filter 6 and the Roots blower 7 that connect gradually, the entry of cooler 5 passes through pipeline and feed bin 3 top intercommunication, so when Roots blower 7 starts, can make the inside negative pressure gaseous phase that forms of feed bin 3 that is connected to Roots blower 7 through cooler 5 and dust filter 6 under the effect of Roots blower 7, so also be negative pressure gaseous phase in the conveying pipeline 2 that is connected with feed bin 3, when the flexible pipe 105 with conveying pipeline 2 and aspirator output is connected, when placing the input of aspirator below the furnace chamber material level simultaneously, the material in the kiln furnace can then form stable flow state under the negative pressure gaseous phase effect and be sent to in the feed bin 3. After the material enters the bin 3, the flow speed is reduced, the granular material is deposited and falls to the bottom of the bin 3, dust-containing gas enters a cooler 5 communicated with the top of the bin 3 through a pipeline for cooling and sedimentation, and then enters a dust filter 6 so that dust in the gas flow is trapped, and the residual gas is discharged into the atmosphere through a Roots blower 7. Because the dust collector is fixed in the bin 3 in the factory building and is connected, so the required equipment of the dust collector is also fixed, so the cooler 5 is not limited by the traditional suction and discharge crown block, and the cooler 5 can adopt air as a coolant and water as a coolant. But the thermal conductivity of air is much lower than that of water, which tends to make the heat transfer coefficient of air lower than that of water, so that the cooling effect of air is much less than that of water. Therefore, the cooler 5 is preferably a water-cooled cooler, so that the high-temperature air flow can be effectively cooled, and the influence on the Roots blower 7 caused by the overhigh temperature can be prevented, thereby effectively prolonging the service life of the Roots blower 7.
In addition, the output end of the Roots blower 7 is connected with a first exhaust funnel 8, so that the gas after dust removal is discharged through the Roots blower 7 by the first exhaust funnel 8, wherein the height of the first exhaust funnel 8 is not lower than 15m. Still establish ties between roots blower 7 and first aiutage 8 has silencer 9 to be used for reducing the noise that roots blower 7 produced, in order to avoid the staff of factory building to be in the noise for a long time, prevent that the noise from producing harmful effects to the staff organism.
The discharging process for discharging the carbon material production kiln materials can be implemented in the discharging system. The discharging process comprises a material sucking treatment step, a discharging operation step and a dust removal treatment step, wherein the discharging operation step and the dust removal treatment step are arranged at the downstream of the material sucking treatment step and are matched with the material sucking treatment, and the specific operation is as follows:
after the temperature of the materials in the kiln chamber is reduced to 500-600 ℃, moving the suction skip to the side of the kiln chamber where the material suction operation is required, connecting the output end of a material suction device on the suction skip with a material conveying pipe fixedly arranged on the side of the kiln chamber through a quick sealing joint, and extending the input end of the material suction device to the position below the liquid level of the materials in the kiln chamber, wherein the materials in the kiln chamber are conveyed to a material bin connected with the material conveying pipe under the action of negative pressure generated by a Roots blower through the material suction device; after the materials in the furnace chamber are sucked, the input end of the absorber is extracted from the furnace chamber of the kiln, and a quick sealing joint for connecting the absorber and the conveying pipe is opened, so that the telescopic pipe at the output end of the absorber is separated from the conveying pipe, and then the absorber vehicle is moved to the next side of the furnace chamber where the material absorbing operation is required, and the material in the furnace chamber of the kiln is continuously discharged according to the operation.
The motion speed of the materials is suddenly reduced from 40-60 m/s to below 0.5m/s after the materials enter the storage bin under the action of negative pressure, so that the materials are settled to the bottom of the storage bin under the action of self gravity, the materials in the storage bin are conveyed into a slag cooler through a pipeline, the materials are cooled to be low-temperature materials under the action of a cooling medium, then the low-temperature materials are conveyed into a vibrating screen through a lifting machine, the materials are screened to be materials with different particle size ranges on screens with different particle sizes under the action of exciting force, and the materials with different particle size ranges are continuously conveyed into a screening storage bin through a blanking pipe for storage.
And the dust-containing gas at the top of the bin, which is caused by material sedimentation, enters a cooler for water cooling or air cooling under the action of negative pressure generated by the Roots blower, so that the temperature of the gas flow is reduced to below 40 ℃, the cooled gas flow enters a dust filter, and the discharged gas is discharged to the atmosphere through the Roots blower after the dust adsorption treatment in the gas by a filter assembly.
In addition, the dust lifted when the material falls to the vibrating screen through the elevator and the material falls to the screening bin after being screened by the vibrating screen can be collected through the dust hood connected with the induced draft fan through the air pipe and conveyed to the dust remover, and the dust entering the dust remover is thrown out of the gas under the action of centrifugal force and is settled under the action of gravity, so that the dust is removed.
When the embodiment works, the control unit controls the suction skip to move to the side of a kiln chamber where discharging operation is required, the conveying pipe matched with the side of the kiln chamber is connected with the telescopic pipe on the suction skip through the quick sealing joint, the Roots blower is started, and then the suction pipe on the suction skip is placed under the material in the kiln chamber, so that the material can be conveyed into the storage bin connected with the output end of the conveying pipe through the negative pressure effect; after the material in the kiln chamber is discharged, the suction skip is separated from the conveying pipe through the quick sealing joint, then the control unit controls the suction skip to move to the next kiln chamber needing discharging operation, and the telescopic pipe is continuously connected with the conveying pipe beside the kiln chamber through the quick sealing joint, so that discharging operation can be continuously carried out. Therefore, in the whole discharging process, only the suction trolley is required to be controlled to move between different kiln chambers, and the conveying pipe and the storage bin which are matched with the suction trolley are fixedly arranged in the factory, so that compared with the traditional suction and discharge crown block, the storage bin volume in the embodiment is not limited by the crown block, and the traditional suction and discharge crown block does not need to carry out cyclic reciprocating motion between the kiln chambers and the specified discharging positions in the suction operation, so that the discharging efficiency of materials is influenced, the materials in the kiln chambers can be continuously discharged, and the discharging efficiency is effectively improved. In addition, the conveying pipe and the bin are fixedly arranged in the factory building, so that the mode of the traditional suction and discharge crown block is broken, and the operation cost of the suction unit is reduced. Moreover, through the continuous use of the discharging unit and the dust removing unit, the materials in the bin can be screened, and the emitted dust can be treated, so that the pollution of the dust can be effectively reduced, the labor environment is greatly improved, the physical health of operators is facilitated, and the safety production is ensured.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should substitute or change the technical solution according to the technical concept of the present invention, to cover the scope of the present invention.
Claims (8)
1. The utility model provides a carbon material production kiln material discharge system for furnace discharge which characterized in that: the material sucking unit comprises a material sucking vehicle capable of moving among a plurality of kiln chambers, a plurality of material conveying pipes which are arranged in a one-to-one correspondence manner with the kiln chambers and are fixedly arranged beside the kiln chambers, the material conveying pipes are connected in parallel, and the output ends of the material conveying pipes are connected with a fixedly-arranged stock bin; the material sucking vehicle is provided with a material sucking device which can extend into a kiln chamber to perform material sucking operation, the output end of the material sucking device is provided with a telescopic pipe, and the telescopic pipe can be connected with the input end of the material conveying pipe through a quick sealing joint;
the dust removing unit is connected with the material sucking unit and arranged at the downstream of the material sucking unit, and comprises a cooler, a dust filter and a Roots blower which are sequentially connected, wherein the input end of the cooler is communicated with the top of the storage bin through a pipeline; the dust removing unit is electrically connected with the control unit for automatic control;
the suction vehicle comprises a vehicle body, a travelling mechanism arranged at the bottom of the vehicle body and a driving mechanism for driving the travelling mechanism to move, wherein the travelling mechanism is matched with a track arranged close to a kiln chamber, and the driving mechanism can drive the travelling mechanism to move along the track.
2. The discharge system for discharging carbon material production kiln materials according to claim 1, wherein: the device comprises a feeding unit, a discharging unit and a discharging unit, wherein the feeding unit is connected in series with the feeding unit and is arranged at the downstream of the feeding unit; the discharging unit and the sucking unit are electrically connected with a control unit for automatic control.
3. The discharge system for discharging carbon material production kiln materials according to claim 2, wherein: the output end of the lifting machine and the outlet of the blanking pipe are both provided with dust collection covers, the dust collection covers are connected with a dust remover through an air pipe, and the dust remover is connected with an induced draft fan for providing negative pressure.
4. The discharge system for discharging carbon material production kiln materials according to claim 1, wherein: the material sucking device comprises a material transition tank and a material sucking pipe which is connected with the input end of the material transition tank and can stretch in the vertical direction, and a rotating mechanism which can enable the material sucking pipe to rotate horizontally by 360 degrees is arranged at the joint of the material sucking pipe and the material transition tank; the output end of the material transition tank is connected with a telescopic pipe, and the telescopic pipe can stretch in the horizontal direction.
5. The discharge system for discharging carbon material production kiln materials according to claim 1, wherein: the bin comprises at least two bins which are arranged in parallel and work alternately.
6. The discharge system for discharging carbon material production kiln materials according to claim 1, wherein: the quick sealing joint consists of a male joint and a female joint which are connected in a matched manner, the male joint is welded at the output end of the telescopic pipe, and the female joint is welded at the input end of the conveying pipe; the outer wall of the male connector is provided with a guide device which leads the male connector into the female connector, and the female connector is internally provided with a graphite fiber sealing ring.
7. A discharging process for discharging a carbon material production kiln material, characterized in that the discharging process is performed in a discharging system for discharging a carbon material production kiln material according to any one of claims 1 to 6, and comprises a material sucking treatment step, wherein the material sucking treatment step comprises the following operations:
moving a suction vehicle to the side of a kiln chamber where suction operation is required, connecting a telescopic pipe arranged at the output end of a suction device with a conveying pipe fixedly arranged at the side of the kiln chamber through a quick seal joint, and conveying the material in the kiln chamber to a storage bin connected with the conveying pipe through the suction device, wherein the input end of the suction device stretches into the position below the material liquid level in the kiln chamber; after the materials in the kiln chamber are sucked, the input end of the suction device is pulled out from the kiln chamber, and a quick sealing joint for connecting the suction device and the conveying pipe is opened, so that the telescopic pipe at the output end of the suction device is separated from the conveying pipe, and then the suction vehicle is moved to the next kiln chamber where the suction operation is required, and the materials in the kiln chamber are continuously discharged according to the operation.
8. The discharging process for discharging carbon material production kiln materials according to claim 7, wherein: the device also comprises a discharging treatment step and a dust removal treatment step which are arranged at the downstream of the material sucking treatment step and are matched with the material sucking treatment;
the unloading treatment step comprises the following operations that after materials enter a bin and settle to the bottom of the bin, the materials are output and cooled to obtain low-temperature materials, the low-temperature materials are conveyed to a vibrating screen through a lifting machine, the materials with different particle size ranges are obtained through the vibrating screen, and the materials are conveyed to a screening bin for storage;
the dust removal treatment step comprises the following operation that gas at the top of a storage bin is cooled by water or air so that the temperature of the gas is reduced to below 40 ℃, then the gas enters a dust filter, dust in the gas is adsorbed by a filtering component, and the discharged gas is discharged to the atmosphere through a Roots blower.
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| CN201810142990.0A CN108131952B (en) | 2018-02-11 | 2018-02-11 | Discharging process and discharging system for discharging carbon material production kiln materials |
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| CN108131952B true CN108131952B (en) | 2023-10-20 |
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| CN108131952A (en) | 2018-06-08 |
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Effective date of registration: 20231227 Address after: 062150 East side of National Highway 106, Fu Town, Botou City, Cangzhou City, Hebei Province Patentee after: Hebei Lexin Environmental Protection Technology Co.,Ltd. Address before: 062150 Bo Fu Road, Fu Town, Botou City, Cangzhou City, Hebei Province Patentee before: HEBEI KANGNING ENVIRONMENTAL PROTECTION EQUIPMENT CO.,LTD. |