CN218627770U - Shaft furnace high temperature pelletizing transfer device - Google Patents
Shaft furnace high temperature pelletizing transfer device Download PDFInfo
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- CN218627770U CN218627770U CN202223193517.6U CN202223193517U CN218627770U CN 218627770 U CN218627770 U CN 218627770U CN 202223193517 U CN202223193517 U CN 202223193517U CN 218627770 U CN218627770 U CN 218627770U
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Abstract
The utility model relates to a transfer device technical field provides a shaft furnace high temperature pelletizing transfer device, sets up between shaft furnace and waste heat recovery device, include: a feed inlet of the chain bucket machine is communicated with a discharge outlet of the shaft furnace; the feed inlet of the buffer tank is used for receiving the material discharged from the discharge outlet of the chain bucket machine; the feed inlet of the distributor is communicated with the discharge outlets of the buffer tank, and the distributor is provided with two discharge outlets; the two lifting hoppers correspond to the two discharge ports of the distributor one by one, a temperature-resistant and abrasion-resistant layer is mounted on the inner wall of each lifting hopper, a heat-insulating layer is mounted on the outer wall of each lifting hopper, an automatic sealing cover is arranged at a feed port of each lifting hopper, and an automatic discharge valve is mounted at a discharge port of each lifting hopper; and the lifting machine is used for lifting the two lifting hoppers to the feed inlet of the waste heat recovery device respectively.
Description
Technical Field
The utility model relates to a transfer device technical field, concretely relates to shaft furnace high temperature pelletizing transfer device.
Background
In the existing pellet production process system in the steel industry, high-temperature pellets discharged from a shaft furnace need to enter a blast furnace after heat exchange and cooling by a waste heat recovery device, so that transferring the high-temperature pellets is a very important process.
The existing chain plate machine is generally adopted to transport high-temperature pellets, and in a process system needing to recover waste heat, the transportation mode can cause a large amount of heat to be dissipated, so that the full recycling of the waste heat is not facilitated. Meanwhile, the long-distance transportation causes a large amount of heat loss.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a shaft furnace high temperature pelletizing transfer device to solve the problem that proposes in the background art.
In order to achieve the above purpose, the present invention is implemented by the following technical solutions: the utility model provides a shaft furnace high temperature pelletizing transfer device, sets up between shaft furnace and waste heat recovery device, includes:
a feed inlet of the chain bucket machine is communicated with a discharge outlet of the shaft furnace;
the feed inlet of the buffer tank is used for receiving the materials discharged from the discharge port of the chain bucket machine;
the feed inlet of the distributor is communicated with the discharge outlets of the buffer tank, and the distributor is provided with two discharge outlets;
the two lifting hoppers correspond to the two discharge ports of the distributor one by one, a temperature-resistant and abrasion-resistant layer is mounted on the inner wall of each lifting hopper, a heat-insulating layer is mounted on the outer wall of each lifting hopper, an automatic sealing cover is arranged at a feed port of each lifting hopper, and an automatic discharge valve is mounted at a discharge port of each lifting hopper; and
and the lifting machine is used for lifting the two lifting hoppers to the feed inlet of the waste heat recovery device respectively.
Further, the elevator is vertically arranged.
Further, a heat vibrating screen is installed at a feed inlet of the waste heat recovery device.
The feeding hole of the thermal vibration sieve is communicated with the discharging hole of the chain bucket machine, and the discharging hole of the thermal vibration sieve is communicated with the feeding hole of the buffer tank.
Further, the hoisting machine is arranged obliquely.
Furthermore, the elevator further comprises two connecting ropes, the two connecting ropes correspond to the two lifting hoppers one to one, the first ends of the connecting ropes are fixedly connected with the lifting hoppers, and the second ends of the connecting ropes are wound around the top of the elevator and are fixedly connected with the balancing weights.
Further, an automatic full material sensor is installed on the inner wall of the lifting bucket.
The utility model has the advantages that: the utility model provides a pair of shaft furnace high temperature pelletizing transfer device through the interior wall mounting temperature resistant abrasionproof layer at the elevator bucket, at the outer wall mounting heat preservation of elevator bucket to reduce the heat of high temperature pelletizing when transporting and scatter and disappear, do benefit to the abundant recycle of waste heat. Meanwhile, the elevator can realize short-distance transportation, and further reduces heat loss of the high-temperature pellets during transportation.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.
Reference numerals: 10-shaft furnace, 20-waste heat recovery device, 30-chain bucket machine, 31-material taking pipe, 40-buffer tank, 50-distributor, 60-lifting bucket, 61-connecting rope, 62-balancing weight, 70-lifter and 80-thermal vibrating screen.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In this application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the description of the present application, it is to be understood that the terms "longitudinal," "lateral," "horizontal," "top," "bottom," "upper," "lower," "inner" and "outer" and the like are used in the orientation or positional relationship shown in the drawings, which are used for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example 1
As shown in fig. 1, the utility model provides a shaft furnace high temperature pellet transfer device, which is arranged between a shaft furnace 10 and a waste heat recovery device 20, and comprises a chain bucket machine 30, a buffer tank 40, a distributor 50, a lifting bucket 60, a lifter 70 and an external control cabinet.
The feed inlet of the chain bucket machine 30 is communicated with the discharge outlet of the shaft furnace 10 through a material taking pipe 31.
The inlet of the buffer tank 40 is used for receiving the material discharged from the outlet of the chain bucket machine 30.
The feed inlet of the distributor 50 is communicated with the discharge outlets of the buffer tank 40, and the distributor 50 has two discharge outlets.
The elevator buckets 60 are provided in two, and the two elevator buckets 60 are provided in one-to-one correspondence with the two discharge ports of the distributor 50. The inner wall of the lifting bucket 60 is provided with a temperature-resistant and wear-resistant layer, and the outer wall of the lifting bucket 60 is provided with a heat-insulating layer. The inlet of the elevator 60 is provided with an automatic sealing cover, and the automatic sealing cover has various specific structures, such as an air cylinder for controlling the opening and closing of the automatic sealing cover. The discharge port of the lift hopper 60 is fitted with an automatic discharge valve.
The elevator 70 is used for lifting the two elevator buckets 60 to the feed ports of the waste heat recovery device 20.
The external control cabinet is electrically connected with the chain bucket machine 30, the buffer tank 40, the distributor 50, the automatic sealing cover, the automatic discharging valve and the hoister 70.
In this embodiment, the lifting machine 70 sets up perpendicularly, and lifting machine 70 promotes elevator 60 perpendicularly to the top of waste heat recovery device 20, and the feed inlet department of horizontal transportation to waste heat recovery device 20 again realizes short distance transport, further reduces the heat loss of high temperature pellet when transporting.
In this embodiment, a thermal vibrating screen 80 is installed at the feeding port of the waste heat recovery device 20. The thermal vibrating screen 80 can screen the high-temperature pellets, and the screened qualified high-temperature pellets enter the waste heat recovery device 20.
In this embodiment, an automatic full sensor is installed on the inner wall of the elevator bucket 60, and the automatic full sensor is electrically connected to an external control cabinet for detecting whether the elevator bucket 60 is full of high-temperature pellets.
In the initial state, the automatic sealing cover shields the feed opening of the lift hopper 60, and the automatic discharge valve is in the closed state.
The specific working process is as follows: the high-temperature pellets are discharged from a discharge port of the shaft furnace 10, are conveyed to the chain bucket machine 30 through the material taking pipe 31 and enter the buffer tank 40, the effective volume of the buffer tank 40 is six cubes, and the pellets can be stored for ten minutes. High-temperature pellets discharged from the buffer tank 40 are uniformly distributed into the two lifting hoppers 60 under the action of the distributor 50, the lifting hoppers 60 adopt a closed heat preservation type design, a temperature-resistant anti-abrasion layer is installed on the inner walls of the lifting hoppers 60, and a heat preservation layer is installed on the outer walls of the lifting hoppers 60. The elevator 70 lifts the two lifting hoppers 60 in turn, transfers the lifting hoppers horizontally to the feed inlet of the thermal vibrating screen 80, and the screened qualified high-temperature pellets enter the waste heat recovery device 20.
The automatic full material inductor can detect whether the elevator bucket 60 is filled with the high-temperature pellets, when the elevator bucket 60 is filled with the high-temperature pellets, the automatic sealing cover is controlled by the external control cabinet to be started so as to close the feeding hole of the elevator bucket 60, and the temperature of the high-temperature pellets is kept warm to the maximum extent. When the elevator 70 lifts the elevator bucket 60 to the feed inlet of the waste heat recovery device 20, the pellets are horizontally transferred to the hot vibrating screen 80, the external control cabinet controls the automatic discharge valve to be opened, and the high-temperature pellets enter the feed inlet of the hot vibrating screen 80.
The device reduces heat loss of high-temperature pellets during transportation by installing a temperature-resistant anti-abrasion layer on the inner wall of the elevator bucket 60 and installing a heat-insulating layer on the outer wall of the elevator bucket 60, thereby being beneficial to full recycling of waste heat. Meanwhile, the elevator 70 can realize short-distance vertical transportation, and further reduce the heat loss of the high-temperature pellets during transportation.
Example 2
As shown in fig. 2, the utility model provides a shaft furnace high temperature pellet transfer device, which is arranged between a shaft furnace 10 and a waste heat recovery device 20, and comprises a chain bucket machine 30, a buffer tank 40, a distributor 50, an elevating bucket 60, an elevator 70 and an external control cabinet.
The feed inlet of the chain bucket machine 30 is communicated with the discharge outlet of the shaft furnace 10 through a material taking pipe 31.
The inlet of the buffer tank 40 is used for receiving the material discharged from the outlet of the chain bucket machine 30.
The feed inlet of the distributor 50 is communicated with the discharge outlets of the buffer tank 40, and the distributor 50 has two discharge outlets.
The elevator buckets 60 have two, and the two elevator buckets 60 are provided in one-to-one correspondence with the two discharge ports of the distributor 50. The inner wall of the elevator bucket 60 is provided with a temperature-resistant and wear-resistant layer, and the outer wall of the elevator bucket 60 is provided with a heat-insulating layer. The inlet of the elevator 60 is provided with an automatic sealing cover, and the automatic sealing cover has various specific structures, such as an air cylinder for controlling the opening and closing of the automatic sealing cover. The discharge port of the elevator bucket 60 is fitted with an automatic discharge valve.
The elevator 70 is used for lifting the two elevator buckets 60 to the feed ports of the waste heat recovery device 20.
The external control cabinet is electrically connected with the chain bucket machine 30, the buffer tank 40, the distributor 50, the automatic sealing cover, the automatic discharging valve and the hoister 70.
In this embodiment, the lifting machine 70 sets up perpendicularly, and lifting machine 70 promotes elevator 60 perpendicularly to the top of waste heat recovery device 20, and the feed inlet department of horizontal transportation to waste heat recovery device 20 again realizes short distance transport, further reduces the heat loss of high temperature pellet when transporting.
In this embodiment, the device further comprises a thermal vibration sieve 80, a feed inlet of the thermal vibration sieve 80 is communicated with a discharge outlet of the chain bucket machine 30, and a discharge outlet of the thermal vibration sieve 80 is communicated with a feed inlet of the buffer tank 40.
In this embodiment, an automatic full sensor is installed on the inner wall of the elevator bucket 60, and the automatic full sensor is electrically connected to an external control cabinet for detecting whether the elevator bucket 60 is full of high-temperature pellets.
In the initial state, the automatic sealing cover shields the feed opening of the lift hopper 60, and the automatic discharge valve is in the closed state.
The specific working process is as follows: the high-temperature pellets are discharged from a discharge port of the shaft furnace 10, are conveyed to the chain bucket machine 30 through the material taking pipe 31 and enter the thermal vibrating screen 80, and the qualified high-temperature pellets after screening enter the buffer tank 40. The surge tank 40 is designed to have an effective volume of six cubes and can hold material for ten minutes. Discharged high-temperature pellets in the buffer tank 40 are uniformly distributed into the two lifting buckets 60 under the action of the distributor 50, the lifting buckets 60 adopt a closed heat preservation type design, a temperature-resistant anti-abrasion layer is installed on the inner wall of the lifting buckets 60, and a heat preservation layer is installed on the outer wall of the lifting buckets 60. The two lifting hoppers 60 are lifted by the lifter 70 in turn and horizontally transferred to the feeding port of the waste heat recovery device 20, the external control cabinet controls the automatic discharging valve to be opened, and the high-temperature pellets in the lifting hoppers 60 enter the waste heat recovery device 20.
The automatic full material inductor can detect whether the elevator bucket 60 is filled with the high-temperature pellets, when the elevator bucket 60 is filled with the high-temperature pellets, the automatic sealing cover is controlled by the external control cabinet to be started so as to close the feeding hole of the elevator bucket 60, and the temperature of the high-temperature pellets is kept warm to the maximum extent. When the elevator 70 lifts the elevator bucket 60 to the feed inlet of the waste heat recovery device 20, the external control cabinet controls the automatic discharge valve to open, and the high-temperature pellets enter the feed inlet of the thermal vibrating screen 80.
The device reduces heat loss of high-temperature pellets during transportation by installing a temperature-resistant anti-abrasion layer on the inner wall of the elevator bucket 60 and installing a heat-insulating layer on the outer wall of the elevator bucket 60, thereby being beneficial to full recycling of waste heat. Meanwhile, the elevator 70 can realize short-distance vertical transportation, and further reduce the heat loss of the high-temperature pellets during transportation.
Example 3
As shown in FIG. 3, the high-temperature pellet transferring device for the shaft furnace is arranged between a shaft furnace 10 and a waste heat recovery device 20 and comprises a chain bucket machine 30, a buffer tank 40, a distributor 50, a lifting bucket 60, a lifter 70 and an external control cabinet.
The feed inlet of the chain bucket machine 30 is communicated with the discharge outlet of the shaft furnace 10 through a material taking pipe 31.
The inlet of the buffer tank 40 is used for receiving the material discharged from the outlet of the chain bucket machine 30.
The feed inlet of the distributor 50 is communicated with the discharge outlets of the buffer tank 40, and the distributor 50 has two discharge outlets.
The elevator buckets 60 have two, and the two elevator buckets 60 are provided in one-to-one correspondence with the two discharge ports of the distributor 50. The inner wall of the lifting bucket 60 is provided with a temperature-resistant and wear-resistant layer, and the outer wall of the lifting bucket 60 is provided with a heat-insulating layer. The feed port of the elevator 60 is provided with an automatic sealing cover, and the automatic sealing cover has various specific structures, such as opening and closing of the automatic sealing cover controlled by a cylinder. The discharge port of the elevator bucket 60 is fitted with an automatic discharge valve.
The elevator 70 is used to lift the two elevator buckets 60 to the inlet of the heat recovery device 20.
The external control cabinet is electrically connected with the chain bucket machine 30, the buffer tank 40, the distributor 50, the automatic sealing cover, the automatic discharging valve and the hoister 70.
In this embodiment, the device further comprises a thermal vibration sieve 80, a feed inlet of the thermal vibration sieve 80 is communicated with a discharge outlet of the chain bucket machine 30, and a discharge outlet of the thermal vibration sieve 80 is communicated with a feed inlet of the buffer tank 40.
In the present embodiment, the lifter 70 is provided obliquely.
In this embodiment, two connecting ropes 61 are further included, and the two connecting ropes 61 are provided in one-to-one correspondence with the two elevator buckets 60. The first end of the connecting rope 61 is fixedly connected with the lifting bucket 60, and the second end of the connecting rope 61 bypasses the top of the lifter 70 and is fixedly connected with the counterweight block 62.
In the initial state, the weight 62 has the same gravity as the inclined component of the elevator bucket 60 on the elevator 70, and the weight 62 plays a role of balancing the elevator bucket 60, thereby reducing the working power of the elevator 70.
In this embodiment, an automatic full sensor is installed on the inner wall of the elevator bucket 60, and the automatic full sensor is electrically connected to the external control cabinet for detecting whether the elevator bucket 60 is filled with high-temperature pellets.
In the initial state, the automatic sealing cover shields the feed opening of the lift hopper 60, and the automatic discharge valve is in the closed state.
The specific working process is as follows: the high-temperature pellets are discharged from a discharge port of the shaft furnace 10, are conveyed to the chain bucket machine 30 through the material taking pipe 31 and enter the thermal vibrating screen 80, and the qualified high-temperature pellets after screening enter the buffer tank 40. The surge tank 40 is designed to have an effective volume of six cubes and can hold material for ten minutes. High-temperature pellets discharged from the buffer tank 40 are uniformly distributed into the two lifting hoppers 60 under the action of the distributor 50, the lifting hoppers 60 are designed in a closed heat preservation mode, the inner walls of the lifting hoppers 60 are provided with temperature-resistant and wear-resistant layers, and the outer walls of the lifting hoppers 60 are provided with heat preservation layers. The two lifting hoppers 60 are lifted to the feeding port of the waste heat recovery device 20 by the lifter 70 in turn, the automatic discharging valve is controlled by the external control cabinet to be opened, and the high-temperature pellets in the lifting hoppers 60 enter the waste heat recovery device 20.
The automatic full material inductor can detect whether the elevator bucket 60 is filled with the high-temperature pellets, when the elevator bucket 60 is filled with the high-temperature pellets, the automatic sealing cover is controlled by the external control cabinet to be started so as to close the feeding hole of the elevator bucket 60, and the temperature of the high-temperature pellets is kept warm to the maximum extent. When the elevator 70 lifts the elevator bucket 60 to the feed inlet of the waste heat recovery device 20, the external control cabinet controls the automatic discharge valve to open, and the high-temperature pellets enter the feed inlet of the thermal vibrating screen 80.
The device reduces heat loss of high-temperature pellets during transportation by installing a temperature-resistant anti-abrasion layer on the inner wall of the elevator bucket 60 and installing a heat-insulating layer on the outer wall of the elevator bucket 60, thereby being beneficial to full recycling of waste heat. Meanwhile, the elevator 70 can realize short-distance vertical transportation, and further reduce the heat loss of the high-temperature pellets during transportation.
The device can achieve the following effects: 1. the original pellet production process system is not damaged, and the continuous transportation of the high-temperature pellets is realized. 2. The buffer tank 40 plays a role in buffering, a fault clearance of about ten minutes can be met, and no material stays in the buffer tank 40 in normal operation. 3. The two lifting buckets 60 work alternately and intermittently, and the uniformity of material receiving can be guaranteed. And is automatically controlled by an operation program, and can flexibly adjust and operate in the processes of feeding, conveying, distributing and the like. 4. The utility model discloses a can carry out continuous transportation to the high temperature pelletizing and carry, guarantee the safety of equipment, reduce material temperature and scatter and disappear, realize the short distance and promote, have very practical usage.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (7)
1. The utility model provides a shaft furnace high temperature pelletizing transfer device, sets up between shaft furnace and waste heat recovery device, its characterized in that: the method comprises the following steps:
a feed inlet of the chain bucket machine is communicated with a discharge outlet of the shaft furnace;
the feed inlet of the buffer tank is used for receiving the materials discharged from the discharge port of the chain bucket machine;
the feed inlet of the distributor is communicated with the discharge outlets of the buffer tank, and the distributor is provided with two discharge outlets;
the two lifting hoppers correspond to the two discharge ports of the distributor one by one, a temperature-resistant and abrasion-resistant layer is mounted on the inner wall of each lifting hopper, a heat-insulating layer is mounted on the outer wall of each lifting hopper, an automatic sealing cover is arranged at a feed port of each lifting hopper, and an automatic discharge valve is mounted at a discharge port of each lifting hopper; and
and the lifting machine is used for lifting the two lifting hoppers to the feed inlet of the waste heat recovery device respectively.
2. The shaft furnace high temperature pellet handling device of claim 1, wherein: the hoister is vertically arranged.
3. The shaft furnace high temperature pellet handling device of claim 2, wherein: and a heat vibrating screen is arranged at the feed inlet of the waste heat recovery device.
4. The shaft furnace high temperature pellet handling device of claim 2, wherein: the hot vibrating screen is characterized by further comprising a hot vibrating screen, wherein a feeding hole of the hot vibrating screen is communicated with a discharging hole of the chain bucket machine, and a discharging hole of the hot vibrating screen is communicated with a feeding hole of the buffer tank.
5. The shaft furnace high temperature pellet handling device of claim 1, wherein: the lifting machine is arranged obliquely.
6. The high temperature pellet transferring device of the shaft furnace as claimed in claim 5, wherein: still include two and connect the rope, two connect the rope with two the lift bucket one-to-one sets up, connect the first end of rope with lift bucket fixed connection, the second end of connecting the rope is walked around with balancing weight fixed connection behind the top of lifting machine.
7. The shaft furnace high temperature pellet handling device of claim 1, wherein: and an automatic full-material sensor is arranged on the inner wall of the lifting bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223193517.6U CN218627770U (en) | 2022-11-30 | 2022-11-30 | Shaft furnace high temperature pelletizing transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223193517.6U CN218627770U (en) | 2022-11-30 | 2022-11-30 | Shaft furnace high temperature pelletizing transfer device |
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| Publication Number | Publication Date |
|---|---|
| CN218627770U true CN218627770U (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223193517.6U Active CN218627770U (en) | 2022-11-30 | 2022-11-30 | Shaft furnace high temperature pelletizing transfer device |
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| CN (1) | CN218627770U (en) |
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- 2022-11-30 CN CN202223193517.6U patent/CN218627770U/en active Active
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