CN210065182U - High-temperature material cooling and conveying system of graphitizing furnace - Google Patents
High-temperature material cooling and conveying system of graphitizing furnace Download PDFInfo
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- CN210065182U CN210065182U CN201920286613.4U CN201920286613U CN210065182U CN 210065182 U CN210065182 U CN 210065182U CN 201920286613 U CN201920286613 U CN 201920286613U CN 210065182 U CN210065182 U CN 210065182U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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Abstract
The utility model relates to a graphite production facility technical field specifically discloses a graphitizing furnace high temperature material cooling conveying system, including the high temperature feed bin, the high temperature feed bin is through setting up the elephant trunk in its bottom and the feed inlet intercommunication of roller cooler, and the roller cooler carries out indirect cooling to the high temperature material through the cooling water, and the discharge gate of roller cooler is connected with bucket elevator's input through first conveyer, and bucket elevator's output is equipped with screening plant, and screening plant is connected with the second conveyer, and the output and the recovery feed bin intercommunication of second conveyer retrieve the feed bin top and be provided with the sack cleaner. The utility model discloses a set up the roller cooler at high temperature feed bin lower extreme, roller cooler low reaches set up first conveyer or bucket elevator, have solved the problem of the low and easy extravagant a large amount of water resources of cooling efficiency of the interior high temperature material cooling method of current graphitizing furnace, simple and convenient practicality, security and reliability height, energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to a graphite production facility technical field specifically is a graphitizing furnace high temperature material cooling conveying system.
Background
With the continuous improvement of smelting technology, the demand of large-size graphite electrodes in the market is continuously increased. The graphitizing furnace is used as a device for high-temperature treatment such as graphite powder purification, and is widely applied to the field of graphite production due to the advantages of high production efficiency, energy conservation, power conservation and the like.
Among them, Acheson graphitization furnace (Acheson furnace) is a graphitization furnace named after Acheson name of utility model, and is a heat treatment furnace for developing carbonized graphite crystals, wherein the carbonized graphite crystals are filled with a filler coke around the carbonized graphite crystals, indirect energization is performed to generate heat by using a resistance of the filled coke, and finally the heated material itself generates resistance heat. The loading amount of the carbide in each Acheson type graphitization furnace is about 10-100 tons, the carbide is arranged in parallel longitudinally or transversely in a rectangular furnace body made of refractory bricks, the periphery of the furnace body is filled with filler coke (commonly called as electric resistance material), the periphery of the furnace body is thermally shielded by using lining materials such as coke powder, carbon black, silica sand/coke/silicon carbide mixture and the like to insulate heat (commonly called as heat preservation material), the periphery of the carbide is filled with the filler coke, and the coke is electrified in the length direction of the furnace body to be heated to about 3000 ℃.
The graphitization furnace, especially the acheson graphitization furnace, is required to cool a large amount of high-temperature materials (resistance materials and heat insulation materials) in the production process. The existing cooling modes are generally two, one is natural cooling, and the other is single-cylinder spraying. Wherein, the natural cooling is that the high-temperature material is slowly cooled by the natural heat radiation of air, and the cooling efficiency is low; the single-cylinder spraying is that arranging the barrel slope (conventional about 3), and the barrel outer wall sprays cooling water, and the barrel is rotatory under motor drive, and high temperature material is by the feed end to the discharge end displacement under barrel slope, rotatory effect, reaches refrigerated purpose simultaneously under the effect of the outer cooling water that sprays of barrel, and this kind of cooling method is higher than natural cooling's efficiency, but has wasted a large amount of water resources. Therefore, the design of a high-temperature material cooling and conveying system for a graphitization furnace becomes a problem which needs to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a graphitizing furnace high temperature material cooling conveying system to solve the problem that the cooling efficiency of the current graphitizing furnace internal high temperature material cooling method who proposes among the above-mentioned background art is low and easily wastes a large amount of water resources.
In order to achieve the above object, the utility model provides a following technical scheme:
a cooling and conveying system for high-temperature materials in a graphitization furnace comprises a high-temperature material bin for transferring the high-temperature materials in the graphitization furnace, wherein a support for supporting the high-temperature material bin is arranged at the lower end of the high-temperature material bin, the high-temperature material bin is communicated with a feed inlet of a roller cooler for cooling the materials through a chute arranged at the bottom of the high-temperature material bin, the roller cooler indirectly cools the high-temperature materials through cooling water, the return water of the cooling water is connected into a cooling tower or a waste heat boiler, a discharge outlet of the roller cooler is connected with the input end of a bucket elevator through a first conveyor, the output end of the bucket elevator is provided with a screening device for screening the materials, the screening device is provided with at least two outlets, the outlets are connected with a corresponding second conveyor arranged below the screening device, and the output end of the second conveyor is communicated with a recovery material, a ton bag is arranged at the lower end of the recovery bin, and a bag-type dust collector for purifying gas in the recovery bin is arranged at the top of the recovery bin; high temperature material in the high temperature feed bin cools off in getting into the drum cooler, through inserting cooling tower or exhaust-heat boiler with the return water of cooling water and avoid the energy extravagant, and simultaneously, through the indirect heat transfer with the furnace charge with the cooling water all the time, be favorable to keeping the activity of furnace charge, the comprehensive utilization of the furnace charge of being convenient for, the furnace charge after cooling is sieved through screening plant, the furnace charge of the different particle diameters after the screening is carried respectively to corresponding recovery feed bin in through the second conveyer that corresponds, the furnace charge in the recovery feed bin gets into the ton bag through the material pipe that sets up in its bottom and carries out bagging-off processing.
As a further aspect of the present invention: the first conveyor is one or a combination of a belt conveyor, a scraper conveyor, a bucket chain conveyor or a spiral conveyor.
As a further aspect of the present invention: the screening device is one or a combination of a plurality of vibrating screens, drum screens or roller screens.
As a further aspect of the present invention: the second conveyor is a screw conveyor.
As a further aspect of the present invention: the roller cooler is one or a combination of a film wall type, a jacket type or a multi-pipe type.
As a further aspect of the present invention: the high-temperature bin adopts a round bin or a square bin; the recovery bin adopts a round bin or a square bin.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up the cylinder cooler at high temperature feed bin lower extreme, cylinder cooler low reaches set up first conveyer or bucket elevator, have solved the problem of the low and easy extravagant a large amount of water resources of cooling efficiency of the interior high temperature material cooling method of current graphitizing furnace.
2. The utility model discloses can be used to the cooling and the transport of acheson graphitizing furnace high temperature material, simple and convenient practical, security and reliability are high, and the cooling effect is good, and is energy-concerving and environment-protective.
3. Compared with the traditional treatment mode, the utility model saves a large amount of water resources, can fully absorb the heat of furnace burden, and saves energy; the furnace burden in the working process of the utility model always exchanges heat with the cooling water indirectly, thus keeping the activity of the furnace burden and being beneficial to the comprehensive utilization of the furnace burden; the utility model is also provided with a bag-type dust collector, thus reducing the pollution to the environment in the working process of the system; compare with traditional single section of thick bamboo mode of spraying, the utility model discloses an use cylinder cooler to replace the single section of thick bamboo to spray, heat exchange efficiency obviously increases is favorable to satisfying the on-the-spot actual operation requirement.
Drawings
In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is the structural schematic diagram of the high-temperature material cooling and conveying system of the graphitization furnace.
Fig. 2 is the connection relationship schematic diagram between the screening device and the second conveyor in the high-temperature material cooling and conveying system of the graphitization furnace.
FIG. 3 is a schematic view of the connection relationship between the high-temperature storage bin and the roller cooler in the high-temperature material cooling and conveying system of the graphitization furnace.
In the figure: 1-high temperature bin, 2-roller cooler, 3-first conveyor, 4-bucket elevator, 5-screening device, 6-second conveyor, 7-bag dust collector, 8-recovery bin and 9-ton bag.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, in an embodiment of the present invention, a high temperature material cooling and conveying system for a graphitization furnace includes a high temperature material bin 1 for transferring high temperature materials (i.e. resistance material and insulation material) in the graphitization furnace (not shown in the figure), and a support for supporting the high temperature material bin 1 is disposed at a lower end of the high temperature material bin 1.
It can be understood that the high-temperature storage bin 1 is a transfer storage device for high-temperature materials, and can store electric resistance materials and heat preservation materials in the graphitizing furnace, because the temperature of furnace materials is high, the bin body of the high-temperature storage bin 1 needs to be made of high-temperature resistant materials, can be made of heat-resistant stainless steel materials, can also be made of carbon steel lining refractory materials, is not particularly limited, and can be selected according to actual needs.
Further, in the embodiment of the present invention, the high temperature material bin 1 is communicated with the feed inlet of the roller cooling machine 2 for material cooling through the chute arranged at the bottom thereof, so that the high temperature material (high temperature furnace material) in the high temperature material bin 1 can smoothly enter the roller cooling machine 2 for cooling.
Further, in the embodiment of the utility model provides an in, roller cooler 2 carries out indirect cooling to high temperature material with the heat exchange form through the cooling water, just the return water of cooling water inserts cooling tower or exhaust-heat boiler, inserts cooling tower or exhaust-heat boiler through the return water with the cooling water and avoids the energy extravagant.
Specifically, high-temperature furnace charge in a graphitization furnace (not shown in the figure) is discharged into a high-temperature storage bin 1 through a material suction crown block (not shown in the figure) or a grab bucket (not shown in the figure), the temperature of the furnace charge is about 1000 ℃, the high-temperature furnace charge in the high-temperature storage bin 1 enters a roller cooler 2 through a chute at the bottom of the high-temperature furnace charge, the high-temperature furnace charge is conveyed from a feeding port of the roller cooler 2 to a discharging port, the roller cooler 2 indirectly cools the high-temperature furnace charge in a heat exchange mode through cooling water, and the furnace charge is always subjected to indirect heat exchange with the cooling water, so that the activity of the furnace charge is favorably kept, and the comprehensive utilization of the furnace charge is.
It can be understood that the chute is the prior art, is generally used for blanking and distributing powdery, granular and blocky materials, is mostly arranged at the bottom of a blanking bin or below a blanking port of a conveying device, and is a material conveying bridge between the blanking bin or the conveying device and material main equipment.
Further, in the embodiment of the utility model provides an in, the discharge gate of roller cooler 2 is connected with bucket elevator 4's input through first conveyer 3, and the furnace charge is carried in first conveyer 3 of roller cooler 2 low reaches through the cooling back row, and 3 discharge gates of first conveyer connect bucket elevator 4, and the furnace charge gets into bucket elevator 4 by first conveyer 3, arranges screening plant 5, second conveyer 6, sack cleaner 7, recovery feed bin 8 and ton bag 9 through the high space that bucket elevator 4 promoted.
The utility model provides a further embodiment, the output of bucket elevator 4 (setting at the top) is equipped with the screening plant 5 that is used for sieving the material, screening plant 5 is provided with two at least exports, just export and setting are in corresponding second conveyer 6 of screening plant 5 below is connected, through with screening plant 5 sets up to two at least exports, just export and setting are in corresponding second conveyer 6 of screening plant 5 below is connected, and then can sieve the material of the different granularities simultaneously through screening plant 5, has effectively improved screening efficiency.
Further, in the embodiment of the utility model provides an in, the output of second conveyer 6 and the recovery feed bin 8 intercommunication that is used for storing material after the cooling, recovery feed bin 8 lower extreme is provided with ton bag 9, sieves the furnace charge after the cooling through screening plant 5, and the furnace charge of the different particle diameters after the screening is carried respectively to corresponding recovery feed bin 8 in through corresponding second conveyer 6, and the furnace charge in the recovery feed bin 8 carries out the bagging-off processing in getting into ton bag 9 through the material pipe that sets up in its bottom.
Further, in the embodiment of the utility model provides an in, retrieve 8 tops of feed bin and be provided with the sack cleaner 7 that is used for purifying and retrieves gaseous in the feed bin 8, handle all gases (including the air that contains the dust) that get into and retrieve the feed bin 8 through sack cleaner 7 continuously, hundredth, detach dust and harmful gas and will purify the direct atmosphere of discharging of back gas by 7 purification of sack cleaner, avoided causing the pollution to the environment.
It should be noted that valves are arranged between the above devices, that is, valves are arranged at the interconnection positions of the high-temperature bin 1, the drum cooler 2, the first conveyor 3, the bucket elevator 4, the screening device 5, the second conveyor 6, the bag-type dust collector 7, the recovery bin 8 and the ton bag 9, so that the valves can be closed in emergency situations, or the devices can be conveniently separated for maintenance and the like.
Before the system works, cooling water needs to be introduced into the roller cooler 2, softened water is adopted as much as possible in practical use, and industrial water is easy to scale, so that the cooling effect of the roller cooler 2 is influenced by scaling, if the industrial water is required to be adopted, the effluent temperature is required to be set to be generally not higher than 50 ℃, and in addition, the scale needs to be removed in time.
It should be noted that the return water of the cooling water may be fed into a cooling tower (not shown in the figure), and then fed into the drum cooler 2 again for use after cooling, so that the cooling water can be recycled, and waste is avoided.
Furthermore, if a waste heat boiler is built in a factory, the heated cooling water can be subjected to heat recovery through the waste heat boiler, so that the heat released by the high-temperature furnace material can be effectively utilized, and the energy waste is reduced.
When the system works, high-temperature furnace charge (resistance charge and heat preservation charge) in a graphitization furnace (not shown in the figure) is discharged into a high-temperature bin 1 through a material suction crown block (not shown in the figure) or a grab bucket (not shown in the figure), the temperature of the furnace charge is about 1000 ℃, the high-temperature furnace charge in the high-temperature bin 1 enters a roller cooler 2 through a chute at the bottom of the bin, the roller cooler 2 cools the high-temperature furnace charge in a heat exchange mode through cooling water, the furnace charge is discharged into a first conveyor 3 at the downstream of the roller cooler 2 after being cooled, the furnace charge is conveyed into a bucket elevator 4 through the first conveyor 3, the furnace charge enters a screening device 5 arranged above a recovery bin 8 after being lifted by the bucket elevator 4, materials with different particle sizes screened by the screening device 5 are discharged from corresponding outlets and enter a second conveyor 6 at the downstream, and are conveyed into a corresponding recovery bin 8 through the second conveyor 6, and (3) enabling furnace burden in the recovery bin 8 to enter the ton bag 9 through a material pipe at the bin bottom for bagging treatment, and finally transporting the ton bag 9 to a warehouse.
It can be understood that the temperature of the material cooled by the roller cooler 2 is generally controlled below 80 ℃ (mainly considering the temperature resistance of the ton bag 9 used subsequently), the water inlet temperature of the cooling water is generally set at about 30 ℃, the return water temperature is close to the discharge temperature and is generally controlled below 80 ℃, and the energy waste can be avoided by connecting the return water to a cooling tower or a waste heat boiler.
In another embodiment provided by the present invention, the first conveyor 3 is one or a combination of several of a belt conveyor, a scraper conveyor, a bucket conveyor or a screw conveyor, and is not limited specifically, but a belt conveyor is preferred, and of course, the above is only a preferred solution, and can be specifically set according to actual needs, and is not limited herein.
Further, in the embodiment of the present invention, the screening device 5 is one or a combination of several of a vibrating screen, a drum screen, or a roller screen, and is not limited specifically, but a vibrating screen is preferred, the screening granularity of the screening device 5 is selected according to the user requirement, of course, the above is only a preferred solution, and the screening device 5 may also be other screening devices such as an equal thickness screen, a probability equal thickness screen, a relaxation screen, or a shaking screen, and is set specifically according to the actual requirement, and is not limited herein.
Further, in the embodiment of the present invention, because the conveying distance is short, the second conveyor 6 is generally a screw conveyor.
Further, in the embodiment of the present invention, the roller cooler 2 is one or a combination of several of a film wall type, a jacket type, or a multi-tube type, and is not limited specifically, and according to different particle discharging requirements of the graphitization furnace, the forms of the film wall type, the jacket type, the multi-tube type, and the like may be adopted, and are not limited herein.
Further, in the embodiment of the present invention, the high temperature storage bin 1 is a round bin or a square bin.
Further, in the embodiment of the present invention, the recycling bin 8 is a round bin or a square bin.
It should be noted that, graphitizing furnace high temperature material cooling conveying system is furnished with full automatic control system and equipment trouble alarm system, and the operation is safe and reliable, can realize full automatic operation of unmanned on duty, through remote control, greatly reduced the cost of labor.
It will be understood by those skilled in the art that the configurations shown in fig. 1-3 are merely schematic structural illustrations of the portions relevant to the present embodiment, and do not constitute a limitation on the high-temperature material cooling conveying system of the graphitization furnace described in the present embodiment, and a specific high-temperature material cooling conveying system of the graphitization furnace may include more or less devices than those shown in the drawings, or some devices may be combined, or have a different arrangement of devices, and the portions not relevant to the system are all the same as or can be implemented by the prior art.
For example, in the above embodiment, the first conveyor 3 may not be provided for reasons such as site restriction, and the drum cooler 2 may be directly connected to the bucket elevator 4; the second conveyor 6 arranged at the lower end of the screening device 5 is only an engineering example, and if the distance between the outlet of the screening device 5 and the recovery bin 8 is enough, the outlet of the screening device 5 can be directly connected with the recovery bin 8 through a chute; if no screening is required, the screening device 5 and the second conveyor 6 can also be omitted, and the outlet of the bucket elevator 4 is directly connected with a recovery bin 8 through a chute.
The utility model has the advantages that: the utility model discloses graphitizing furnace high temperature material cooling conveying system sets up roller cooler 2 through 1 lower extreme in high temperature feed bin, and roller cooler 2 low reaches set up first conveyer 3 or bucket elevator 4, and the system end sets up retrieves feed bin 8 and stores the material, has solved the problem that the cooling efficiency of the high temperature material cooling method in the current graphitizing furnace is low and easily wastes a large amount of water resources; the utility model can be used for cooling and conveying high-temperature materials of Acheson graphitizing furnace, the system is simple and practical, is fully automatically controlled, has high safety and reliability, good cooling effect, energy saving and environmental protection, better solves the problems of the prior graphitizing furnace high-temperature material processing system, can be used for new construction, and can also be used as the original system for transformation; compared with the traditional treatment mode, the utility model saves a large amount of water resources, can fully absorb the heat of furnace burden, improves the heat efficiency of the waste heat boiler and saves energy; the furnace burden in the working process of the utility model always exchanges heat with the cooling water indirectly, thus keeping the activity of the furnace burden and being beneficial to the comprehensive utilization of the furnace burden; the utility model is also provided with the bag-type dust collector, so that no dust can be generated in the working process of the system, the environment pollution is avoided, and the requirement of civilized production is met; compare with traditional single section of thick bamboo mode of spraying, the utility model discloses an use cylinder cooler 2 to replace the single section of thick bamboo to spray, heat exchange efficiency obviously increases is favorable to satisfying the on-the-spot actual operation requirement.
The devices presented herein can be electrically connected to external masters and 220V mains, and the masters can be conventional known devices controlled by computers or the like.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A cooling and conveying system for high-temperature materials in a graphitization furnace comprises a high-temperature material bin (1) for transferring the high-temperature materials in the graphitization furnace, wherein a support for supporting the high-temperature material bin (1) is arranged at the lower end of the high-temperature material bin (1), and is characterized in that the high-temperature material bin (1) is communicated with a feed inlet of a roller cooler (2) for cooling the materials through a chute arranged at the bottom of the high-temperature material bin;
the roller cooler (2) indirectly cools high-temperature materials through cooling water, and return water of the cooling water is connected into a cooling tower or a waste heat boiler;
a discharge port of the roller cooler (2) is connected with an input end of a bucket elevator (4) through a first conveyor (3), an output end of the bucket elevator (4) is provided with a screening device (5) for screening materials, the screening device (5) is provided with at least two outlets, and the outlets are connected with corresponding second conveyors (6) arranged below the screening device (5);
the output and the recovery feed bin (8) intercommunication of second conveyer (6), recovery feed bin (8) lower extreme is provided with ton bag (9), recovery feed bin (8) top is provided with sack cleaner (7) that are used for purifying recovery feed bin (8) interior gas.
2. The cooling and conveying system for the high-temperature materials in the graphitization furnace as claimed in claim 1, wherein the first conveyor (3) is one or a combination of belt conveyors, scraper conveyors, bucket conveyors or screw conveyors.
3. The cooling and conveying system for the high-temperature materials in the graphitization furnace as claimed in claim 1, wherein the screening device (5) is one or a combination of a vibrating screen, a drum screen and a roller screen.
4. The graphitizing furnace high-temperature material cooling conveying system as claimed in claim 3, characterized in that the second conveyor (6) is a screw conveyor.
5. The cooling and conveying system for high-temperature materials in graphitization furnaces as claimed in claim 4, characterized in that the roller cooler (2) is one or a combination of membrane wall type, jacketed type or multi-pipe type.
6. The cooling and conveying system for the high-temperature materials in the graphitization furnace as claimed in any one of claims 1 to 5, characterized in that the high-temperature storage bin (1) is a round bin or a square bin.
7. The cooling and conveying system for the high-temperature materials in the graphitization furnace as claimed in any one of claims 1 to 5, wherein the recovery bin (8) is a round bin or a square bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920286613.4U CN210065182U (en) | 2019-03-07 | 2019-03-07 | High-temperature material cooling and conveying system of graphitizing furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920286613.4U CN210065182U (en) | 2019-03-07 | 2019-03-07 | High-temperature material cooling and conveying system of graphitizing furnace |
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| CN210065182U true CN210065182U (en) | 2020-02-14 |
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| CN201920286613.4U Expired - Fee Related CN210065182U (en) | 2019-03-07 | 2019-03-07 | High-temperature material cooling and conveying system of graphitizing furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111471828A (en) * | 2020-04-29 | 2020-07-31 | 浙江神风风电科技有限公司 | Full-automatic carburant production line |
-
2019
- 2019-03-07 CN CN201920286613.4U patent/CN210065182U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111471828A (en) * | 2020-04-29 | 2020-07-31 | 浙江神风风电科技有限公司 | Full-automatic carburant production line |
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