CN214308200U - Heat treatment kiln with circulating cooling system - Google Patents
Heat treatment kiln with circulating cooling system Download PDFInfo
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- CN214308200U CN214308200U CN202023205384.0U CN202023205384U CN214308200U CN 214308200 U CN214308200 U CN 214308200U CN 202023205384 U CN202023205384 U CN 202023205384U CN 214308200 U CN214308200 U CN 214308200U
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Abstract
The utility model discloses a take circulative cooling system's thermal treatment kiln, including the furnace body that has furnace, heat exchanger and circulating fan, the entrance point of heat exchanger passes through high temperature pipeline and furnace intercommunication, and the exit end of heat exchanger passes through low temperature pipeline and furnace intercommunication, and circulating fan establishes on the low temperature pipeline, still is equipped with magnetism foreign matter cleaning device on the low temperature pipeline, and magnetism foreign matter cleaning device includes the casing, and the casing has the inner chamber of polyphone in the low temperature pipeline, installs the electromagnetism de-ironing separator in the inner chamber, and the inner chamber is equipped with the switching subassembly that the clearance exported and be used for the switching clearance to export. The heat treatment kiln has the advantages of simple structure, good product quality, easy modification and implementation, low cost, convenient operation and the like.
Description
Technical Field
The utility model relates to a heat treatment kiln technical field, concretely relates to take circulative cooling system's heat treatment kiln.
Background
The heat treatment kiln is generally provided with a circulating cooling system for recovering the atmosphere in the kiln, and the atmosphere is cooled and then is introduced into the hearth for recycling, so that the temperature of the materials in the kiln is reduced. Because the circulating cooling system is provided with an airflow pipeline, a pipeline of a heat exchanger and the like, rust can be generated after long-term use, and can enter a hearth along with airflow to further pollute materials for heat treatment, thereby affecting the product quality. At present, no effective means for effectively removing iron in a cooling circulation system of a heat treatment kiln exists.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide a simple structure, product quality is good, easily reform transform implementation, with low costs, convenient operation's area circulative cooling system's heat treatment kiln.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a take circulative cooling system's heat treatment kiln, includes furnace body, heat exchanger and the circulating fan who has furnace, the entrance point of heat exchanger pass through the high temperature pipeline with furnace intercommunication, the exit end of heat exchanger pass through the low temperature pipeline with furnace intercommunication, circulating fan establishes on the low temperature pipeline, still be equipped with magnetism foreign matter cleaning device on the low temperature pipeline, magnetism foreign matter cleaning device includes the casing, the casing has the polyphone and is in inner chamber in the low temperature pipeline, install the electromagnetism de-ironing separator in the inner chamber, the inner chamber is equipped with the clearance export and is used for the switching subassembly of clearance export.
As a further improvement of the above technical solution:
the cleaning outlet is positioned at the bottom of the inner cavity, and the electromagnetic iron remover is positioned right above the cleaning outlet.
The cleaning outlet is connected with a collecting box in a sealing way.
The opening and closing component is an on-off valve.
The bottom of inner chamber is equipped with the aggregate section that the cross section from top to bottom reduces gradually, the clearance export is established the bottom of aggregate section.
And the circulating fan is positioned between the heat exchanger and the magnetic foreign matter cleaning device.
The low-temperature pipeline between the magnetic foreign matter cleaning device and the hearth is provided with an on-off control valve, the magnetic foreign matter cleaning device further comprises a filter, an air outlet is formed in the inner cavity, and the inlet end of the filter is connected with the air outlet through a connecting pipe with the on-off control valve.
The tube cavity of the connecting tube is provided with a bottom surface which extends downwards in an inclined way from the filter to the exhaust port.
The inner chamber has the low temperature import that communicates with magnetic foreign matter cleaning device and the low temperature export that communicates with furnace, the connecting pipe is the gas vent with the intercommunication mouth of inner chamber, low temperature import and gas vent branch are located the both sides of electromagnetism de-ironing separator, low temperature import and low temperature export branch are located the both sides of electromagnetism de-ironing separator.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a take circulative cooling system's heat treatment kiln sets up magnetic foreign matter cleaning device in the gas circulation cooling circuit by furnace, heat exchanger and circulating fan constitute, the electromagnetism de-ironing separator who installs in magnetic foreign matter cleaning device's inner chamber can adsorb magnetic foreign matters such as iron rust that most position department produced in heat exchanger and the gas circulation cooling circuit, thereby reduce the influence to the product quality, the inner chamber of magnetism foreign matter cleaning device is equipped with the switching subassembly of clearance export and the export of can switching clearance simultaneously, still be convenient for follow the clearance export and clear away the adsorbed iron rust of electromagnetism de-ironing separator through controlling the switching subassembly, a structure is simple, and a cost is low, it is effectual to deironing, and convenient for operation. In addition, set up magnetism foreign matter cleaning device on gas circulation cooling circuit's low temperature pipeline, make the interior high-temperature gas of furnace pass through magnetism foreign matter cleaning device again after the heat exchanger cooling, need not set up cooling device alone, the gas temperature who enters into magnetism foreign matter cleaning device has been reduced promptly, can avoid the electromagnetism de-ironing separator to lead to magnetic field intensity to reduce because of high temperature, guarantee the adsorption efficiency of electromagnetism de-ironing separator, guarantee the stability and the reliability of deironing work, it easily reforms transform and implements, it is low to reform transform the implementation cost.
Drawings
Fig. 1 is a schematic structural view of a heat treatment kiln.
Fig. 2 is a schematic diagram of the structure of the magnetic foreign matter cleaning device.
Illustration of the drawings:
1. a furnace body; 2. a heat exchanger; 3. a circulating fan; 4. a high temperature pipeline; 5. a low temperature pipeline; 6. a magnetic foreign matter cleaning device; 61. a housing; 611. an inner cavity; 612. cleaning the outlet; 613. an opening and closing assembly; 62. an electromagnetic iron remover; 63. a collection box; 64. a connecting pipe; 65. a filter; 66. an exhaust control valve; 7. an on-off control valve.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1 and fig. 2, the heat treatment kiln with the circulating cooling system of the present embodiment includes a furnace body 1 having a furnace chamber, a heat exchanger 2 and a circulating fan 3, an inlet end of the heat exchanger 2 is communicated with the furnace chamber through a high temperature pipeline 4, an outlet end of the heat exchanger 2 is communicated with the furnace chamber through a low temperature pipeline 5, the circulating fan 3 is disposed on the low temperature pipeline 5, the furnace chamber, the heat exchanger 2 and the circulating fan 3 form a gas circulating cooling loop, the low temperature pipeline 5 is further provided with a magnetic foreign matter cleaning device 6, the magnetic foreign matter cleaning device 6 includes a housing 61, the housing 61 has an inner cavity 611 connected in series in the low temperature pipeline 5, an electromagnetic iron remover 62 is mounted in the inner cavity 611, and the inner cavity 611 is provided with a cleaning outlet 612 and an opening and closing assembly 613 for opening and closing the cleaning outlet 612. The heat treatment kiln with the gas circulation cooling loop is characterized in that the magnetic foreign matter cleaning device 6 is arranged in the gas circulation cooling loop formed by the hearth, the heat exchanger 2 and the circulating fan 3, the electromagnetic iron remover 62 arranged in the inner cavity 611 of the magnetic foreign matter cleaning device 6 can adsorb magnetic foreign matters such as iron rust and the like generated at most positions in the heat exchanger 2 and the gas circulation cooling loop, so that the influence on the product quality is reduced, meanwhile, the inner cavity 611 of the magnetic foreign matter cleaning device 6 is provided with the cleaning outlet 612 and the opening and closing component 613 capable of opening and closing the cleaning outlet 612, the iron rust adsorbed by the electromagnetic iron remover 62 can be conveniently removed from the cleaning outlet 612 by controlling the opening and closing component 613, and the heat treatment kiln with the gas circulation cooling loop is simple in structure, low in cost, good in iron removal effect and convenient to operate. In addition, set up magnetism foreign matter cleaning device 6 on gas circulation cooling circuit's low temperature pipeline 5, make the interior high-temperature gas of furnace pass through magnetism foreign matter cleaning device 6 again after 2 coolings of heat exchanger, do not need to set up cooling device alone, the gas temperature who enters into magnetism foreign matter cleaning device 6 has been reduced promptly, can avoid electromagnetic deironing ware 62 to lead to magnetic field intensity to reduce because of high temperature, guarantee electromagnetic deironing ware 62's adsorption performance, guarantee the stability and the reliability of deironing work, it easily reforms transform and implements, it is low to reform transform the implementation cost.
In this embodiment, the cleaning outlet 612 is located at the bottom of the inner cavity 611, the electromagnetic iron remover 62 is located directly above the cleaning outlet 612, when magnetic foreign matters such as iron rust adsorbed by the electromagnetic iron remover 62 need to be removed, the cleaning outlet 612 only needs to be opened, the electromagnetic iron remover 62 is powered off, the magnetic foreign matters such as iron rust can fall out of the shell 61 from the cleaning outlet 612 under the action of self weight, and the magnetic foreign matters such as iron rust, which are partially attached to the electromagnetic iron remover 62 and are not prone to fall, can also be extended into the cleaning outlet 612 to be cleaned, so that the cleaning convenience is improved.
In this embodiment, the cleaning outlet 612 is hermetically connected with the collection box 63, so that magnetic foreign matters such as iron rust falling from the cleaning outlet 612 can be collected conveniently. When the cleaning outlet 612 is connected to the collection box 63 in a sealing manner, the opening/closing assembly 613 preferably adopts an on-off valve, which can be a gate valve, a butterfly valve, or the like, and has low cost and convenient operation.
In this embodiment, the bottom of the inner cavity 611 is provided with the collecting section with the cross section gradually decreasing from top to bottom, the cleaning outlet 612 is arranged at the bottom of the collecting section, and magnetic foreign matters such as iron rust can slide down to the cleaning outlet 612 along the inner wall of the collecting section after falling off, so that the smooth and thorough discharge of the magnetic foreign matters such as iron rust is facilitated.
In this embodiment, circulating fan 3 is located between heat exchanger 2 and magnetic foreign matter cleaning device 6, makes magnetic foreign matter such as iron rust that circulating fan 3 produced also adsorbed and clear away by magnetic foreign matter cleaning device 6, avoids getting into furnace.
In this embodiment, the on-off control valve 7 is disposed on the low temperature pipeline 5 between the magnetic foreign matter cleaning device 6 and the furnace, the magnetic foreign matter cleaning device 6 further includes a filter 65, the inner cavity 611 is provided with an exhaust port, and an inlet end of the filter 65 is connected to the exhaust port through a connecting pipe 64 with an on-off control valve 66. The on-off control valve 7 is closed to disconnect the low-temperature pipeline 5, then the on-off control valve 66 is opened to enable the connecting pipe 64 to be communicated with the inlet end and the exhaust port of the filter 65, gas which is pumped out of the hearth and cooled by the heat exchanger 2 enters the inner cavity 611 of the magnetic foreign matter cleaning device 6 and then is discharged from the exhaust port, the connecting pipe 64 and the filter 65, and the gas forms a purging effect on the electromagnetic iron remover 62 in the process of passing through the inner cavity 611, so that the magnetic foreign matters such as iron rust which are not easy to fall off and adsorbed on the electromagnetic iron remover 62 fall off, and the cleaning effect can be improved. At the same time, the filter 65 prevents the discharge of magnetic foreign matter such as rust.
In this embodiment, the lumen of the connection pipe 64 has a bottom surface extending obliquely downward from the filter 65 to the exhaust port, and magnetic foreign matters such as rust filtered by the filter 65 can slide along the bottom surface of the connection pipe 64 to the exhaust port under the action of self-weight to enter the inner cavity 611, so that the magnetic foreign matters such as rust can be removed cleanly and thoroughly, and the influence on the filtering effect is avoided.
In this embodiment, the inner cavity 611 has a low temperature inlet communicated with the magnetic foreign matter cleaning device 6 and a low temperature outlet communicated with the furnace, the communication port between the connection pipe 64 and the inner cavity 611 is an exhaust port, the low temperature inlet and the exhaust port are respectively disposed at two sides of the electromagnetic iron remover 62, and the low temperature inlet and the low temperature outlet are respectively disposed at two sides of the electromagnetic iron remover 62. When the electromagnetic iron remover works normally, air flow enters the inner cavity 611 from the low-temperature inlet and flows towards the low-temperature outlet, the electromagnetic iron remover 62 is positioned on a path where most of the air flow flows, magnetic foreign matters such as rust can be effectively adsorbed, and the adsorption effect and the adsorption efficiency can be improved. When the magnetic foreign matters such as iron rust adsorbed on the electromagnetic iron remover 62 need to be removed, the air flow enters the inner cavity 611 from the low-temperature inlet and flows towards the exhaust port, and the electromagnetic iron remover 62 is positioned on a path where most of the air flow flows, so that most of the air flow passes through the electromagnetic iron remover 62, and the electromagnetic iron remover 62 is favorable for quickly and cleanly blowing off the magnetic foreign matters such as iron rust adsorbed on the electromagnetic iron remover 62.
The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention shall be considered as the protection scope of the present invention.
Claims (9)
1. The utility model provides a take circulative cooling system's heat treatment kiln, includes furnace body (1), heat exchanger (2) and circulating fan (3) that have furnace, the entrance point of heat exchanger (2) pass through high temperature pipeline (4) with furnace intercommunication, the exit end of heat exchanger (2) pass through low temperature pipeline (5) with furnace intercommunication, circulating fan (3) are established on low temperature pipeline (5), its characterized in that: the low-temperature pipeline (5) is further provided with a magnetic foreign matter cleaning device (6), the magnetic foreign matter cleaning device (6) comprises a shell (61), the shell (61) is provided with an inner cavity (611) which is connected in series in the low-temperature pipeline (5), an electromagnetic iron remover (62) is installed in the inner cavity (611), and the inner cavity (611) is provided with a cleaning outlet (612) and an opening and closing assembly (613) for opening and closing the cleaning outlet (612).
2. The heat treatment kiln according to claim 1, characterized in that: the cleaning outlet (612) is positioned at the bottom of the inner cavity (611), and the electromagnetic iron remover (62) is positioned right above the cleaning outlet (612).
3. The heat treatment kiln according to claim 2, characterized in that: the cleaning outlet (612) is hermetically connected with a collecting box (63).
4. A heat treatment kiln as claimed in claim 3, characterized in that: the opening and closing component (613) is an on-off valve.
5. The heat treatment kiln according to claim 2, characterized in that: the bottom of inner chamber (611) is equipped with the aggregate section that the cross section reduces from top to bottom gradually, clearance export (612) are established the bottom of aggregate section.
6. The heat treatment kiln according to claim 1, characterized in that: and the circulating fan (3) is positioned between the heat exchanger (2) and the magnetic foreign matter cleaning device (6).
7. The heat treatment kiln according to any one of claims 1 to 6, characterized in that: be equipped with on-off control valve (7) on low temperature pipeline (5) between magnetism foreign matter cleaning device (6) and the furnace, magnetism foreign matter cleaning device (6) still include filter (65), inner chamber (611) are equipped with the gas vent, the entrance point of filter (65) through take connecting pipe (64) of on-off control valve (66) with the gas vent links to each other.
8. The heat treatment kiln according to claim 7, characterized in that: the lumen of the connecting tube (64) has a bottom surface extending obliquely downward in a direction from the filter (65) to the exhaust port.
9. The heat treatment kiln according to claim 7, characterized in that: the inner cavity (611) is provided with a low-temperature inlet communicated with the magnetic foreign matter cleaning device (6) and a low-temperature outlet communicated with the hearth, a communication port of the connecting pipe (64) and the inner cavity (611) is an exhaust port, the low-temperature inlet and the exhaust port are respectively arranged on two sides of the electromagnetic iron remover (62), and the low-temperature inlet and the low-temperature outlet are respectively arranged on two sides of the electromagnetic iron remover (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023205384.0U CN214308200U (en) | 2020-12-25 | 2020-12-25 | Heat treatment kiln with circulating cooling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023205384.0U CN214308200U (en) | 2020-12-25 | 2020-12-25 | Heat treatment kiln with circulating cooling system |
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| CN214308200U true CN214308200U (en) | 2021-09-28 |
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| CN202023205384.0U Active CN214308200U (en) | 2020-12-25 | 2020-12-25 | Heat treatment kiln with circulating cooling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116532238A (en) * | 2023-07-07 | 2023-08-04 | 内蒙古硕丰实业有限公司 | Flue gas treatment device for ferrochrome production |
-
2020
- 2020-12-25 CN CN202023205384.0U patent/CN214308200U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116532238A (en) * | 2023-07-07 | 2023-08-04 | 内蒙古硕丰实业有限公司 | Flue gas treatment device for ferrochrome production |
| CN116532238B (en) * | 2023-07-07 | 2023-10-03 | 内蒙古硕丰实业有限公司 | Flue gas treatment device for ferrochrome production |
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