CN113267044A - Heat accumulating type lead melting furnace and explosion-proof hole structure thereof - Google Patents
Heat accumulating type lead melting furnace and explosion-proof hole structure thereof Download PDFInfo
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- CN113267044A CN113267044A CN202011160987.5A CN202011160987A CN113267044A CN 113267044 A CN113267044 A CN 113267044A CN 202011160987 A CN202011160987 A CN 202011160987A CN 113267044 A CN113267044 A CN 113267044A
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- shell body
- hole structure
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- 238000002844 melting Methods 0.000 title claims abstract description 22
- 230000008018 melting Effects 0.000 title claims abstract description 22
- 229910000799 K alloy Inorganic materials 0.000 claims abstract description 45
- 230000005484 gravity Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 38
- 238000004880 explosion Methods 0.000 abstract description 26
- 229910052742 iron Inorganic materials 0.000 abstract description 19
- 239000000463 material Substances 0.000 abstract description 12
- 239000010935 stainless steel Substances 0.000 abstract description 12
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 12
- 230000002035 prolonged effect Effects 0.000 abstract description 11
- 239000011449 brick Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 239000010931 gold Substances 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- 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
- F27D17/004—Systems for reclaiming waste heat
-
- 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
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
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- 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
- F27D17/004—Systems for reclaiming waste heat
- F27D2017/007—Systems for reclaiming waste heat including regenerators
-
- 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
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D2021/0057—Security or safety devices, e.g. for protection against heat, noise, pollution or too much duress; Ergonomic aspects
- F27D2021/0071—Security or safety devices, e.g. for protection against heat, noise, pollution or too much duress; Ergonomic aspects against explosions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2001/00—Composition, conformation or state of the charge
- F27M2001/01—Charges containing mainly non-ferrous metals
- F27M2001/017—Lead
Abstract
The invention relates to the technical field of lead melting furnaces, in particular to an explosion-proof hole structure and a heat accumulating type lead melting furnace with the same. The invention provides an explosion-proof hole structure which comprises a cubic shell body, wherein an airflow channel is formed in the shell body, and the shell body is made of K alloy. The explosion-proof hole structure comprises a cubic shell body, wherein an airflow channel is formed on the shell body, and the shell body is made of K alloy. Compared with a common iron pipe made of a common stainless steel material, the anti-explosion hole structure made of the K alloy has better heat-resisting temperature and greatly prolonged service life, and the service life of the anti-explosion hole structure made of the K alloy is 8-10 times that of the common iron pipe.
Description
Technical Field
The invention relates to the technical field of lead melting furnaces, in particular to an explosion-proof hole structure and a heat accumulating type lead melting furnace with the same.
Background
The heat accumulating type lead melting furnace comprises a hearth, a furnace cover is arranged at the top of the hearth, and an explosion-proof hole is formed in the furnace cover and used for reducing the pressure in the hearth so as to protect the safety of workers.
In the process of interactive firing of the heat accumulating type lead melting furnace, the pressure in the hearth can be greatly changed, so that an explosion-proof hole is arranged above the hearth to balance the furnace pressure.
In the prior art, the explosion-proof hole is generally made of a common round iron pipe, and the defects of high heat loss, short service life, furnace brick collapse and the like are overcome.
Therefore, it is a realistic meaning for those skilled in the art how to provide an explosion-proof hole structure and a regenerative lead melting furnace with the same to improve or solve at least one technical problem in the prior art to some extent.
Disclosure of Invention
In view of the shortcomings of the prior art, it is an object of the present invention to provide a blast hole preventing structure, which can improve or solve at least one technical problem of the prior art to some extent.
The second purpose of the invention is to provide a regenerative lead smelting furnace with the explosion-proof hole structure.
In order to solve the above problems, in one aspect, the present invention provides an explosion-proof hole structure, which includes a cubic housing body, an airflow channel formed on the housing body, and the housing body made of K alloy.
As a further improvement of the explosion-proof hole structure, the shell body is in a square tube shape.
As a further improvement of the explosion-proof hole structure, the explosion-proof hole structure further comprises an explosion-proof hole cover plate, wherein the explosion-proof hole cover plate is movably connected with the shell body, and the explosion-proof hole cover plate is used for opening and closing an airflow channel on the shell body.
As a further improvement of the explosion-proof hole structure, the explosion-proof hole cover plate is rotatably connected with the shell body.
As a further improvement of the above-mentioned explosion-proof hole structure, a reset device is arranged at the rotational connection position of the explosion-proof hole cover plate and the housing body, and the reset device has a tendency of making the explosion-proof hole cover plate move towards the direction of closing the air flow channel on the housing body.
As a further improvement of the explosion-proof hole structure, the reset device is a torsion spring.
As a further improvement of the above-mentioned explosion-proof hole structure, the housing body is provided with a limiting portion, when the explosion-proof hole cover plate opens the air flow channel on the housing body, the limiting portion abuts against the explosion-proof hole cover plate to make the explosion-proof hole cover plate be inclined, and the explosion-proof hole cover plate can move in a direction of closing the air flow channel on the housing body under the action of its own gravity.
As a further improvement of the structure of the explosion-proof hole, the explosion-proof hole cover plate is made of K alloy.
As a further improvement of the explosion-proof hole structure, the airflow channel is in a circular hole shape.
The explosion-proof hole structure comprises a cubic shell body, wherein an airflow channel is formed on the shell body, and the shell body is made of K alloy. Compared with a common iron pipe made of a common stainless steel material, the anti-explosion hole structure made of the K alloy has better heat-resisting temperature and greatly prolonged service life, and the service life of the anti-explosion hole structure made of the K alloy is 8-10 times that of the common iron pipe.
On the other hand, the invention provides a heat accumulating type lead melting furnace which comprises a hearth, wherein a furnace cover is arranged at the top of the hearth, and an explosion-proof hole structure in any one of the schemes is arranged on the furnace cover.
The heat accumulating type lead melting furnace comprises a hearth, wherein a furnace cover is arranged at the top of the hearth, an explosion-proof hole structure is arranged on the furnace cover and comprises a cubic shell body, an airflow channel is formed in the shell body, and the shell body is made of K alloy. Compared with a common iron pipe made of a common stainless steel material, the anti-explosion hole structure made of the K alloy has better heat-resisting temperature and greatly prolonged service life, and the service life of the anti-explosion hole structure made of the K alloy is 8-10 times that of the common iron pipe.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of a blast hole preventing structure according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a blast hole structure according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a blast hole preventing structure according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a regenerative lead melting furnace according to an embodiment of the present invention.
In the drawings:
1-shell body 2-airflow channel 3-explosion-proof hole cover plate
4-limiting part 5-hearth 6-furnace cover
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to the attached drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
In the description of the present invention, it should be noted that the terms indicating orientation or positional relationship appearing are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified and limited, the specific meanings of the above terms in the present invention can be specifically understood by those skilled in the art.
Example one
Referring to fig. 1, fig. 2 and fig. 3, the present embodiment provides an explosion-proof hole structure, which includes a cubic housing body 1, an airflow channel 2 is formed on the housing body 1, and the housing body 1 is made of K alloy.
The K alloy is an alloy in which Gold and other metals are mixed, and is abbreviated as K Gold because the english language is kart Gold. According to the requirement of the production process, the temperature in the hearth 5 is kept at 800-. Compared with common stainless steel materials, the K alloy can prolong the service life of the explosion-proof hole by 8 to 10 times.
From the above, the explosion-proof hole structure of the present invention includes a cubic housing body 1, an air flow channel 2 is formed on the housing body 1, and the housing body 1 is made of K alloy. Compared with a common iron pipe made of a common stainless steel material, the anti-explosion hole structure made of the K alloy has better heat-resisting temperature and greatly prolonged service life, and the service life of the anti-explosion hole structure made of the K alloy is 8-10 times that of the common iron pipe.
In a preferred embodiment, referring to fig. 1, 2 and 3, the casing body 1 is in a square tube shape, and the circular explosion-proof hole structure is changed into a square explosion-proof hole structure, so that the arrangement is beneficial to building the furnace bricks by adopting a square tube design, and the furnace bricks cannot collapse or the risk of the furnace bricks collapsing is reduced.
Specifically, referring to fig. 1 and 2, the airflow channel 2 is in a circular hole shape, that is, the outer side of the housing body 1 is square, and the inner side is circular.
In summary, the explosion-proof hole structure of the present invention includes a cubic housing body 1, an airflow channel 2 is formed on the housing body 1, and the housing body 1 is made of K alloy. Compared with a common iron pipe made of a common stainless steel material, the anti-explosion hole structure made of the K alloy has better heat-resisting temperature and greatly prolonged service life, and the service life of the anti-explosion hole structure made of the K alloy is 8-10 times that of the common iron pipe.
Example two
Referring to fig. 1, fig. 2 and fig. 3, the present embodiment provides an explosion-proof hole structure, which includes a cubic housing body 1, an airflow channel 2 is formed on the housing body 1, and the housing body 1 is made of K alloy.
The K alloy is an alloy in which Gold and other metals are mixed, and is abbreviated as K Gold because the english language is kart Gold. According to the requirement of the production process, the temperature in the hearth 5 is kept at 800-. Compared with common stainless steel materials, the K alloy can prolong the service life of the explosion-proof hole by 8 to 10 times.
From the above, the explosion-proof hole structure of the present invention includes a cubic housing body 1, an air flow channel 2 is formed on the housing body 1, and the housing body 1 is made of K alloy. Compared with a common iron pipe made of a common stainless steel material, the anti-explosion hole structure made of the K alloy has better heat-resisting temperature and greatly prolonged service life, and the service life of the anti-explosion hole structure made of the K alloy is 8-10 times that of the common iron pipe.
In a preferred embodiment, referring to fig. 1, 2 and 3, the casing body 1 is in a square tube shape, and the circular explosion-proof hole structure is changed into a square explosion-proof hole structure, so that the arrangement is beneficial to building the furnace bricks by adopting a square tube design, and the furnace bricks cannot collapse or the risk of the furnace bricks collapsing is reduced.
In order to reduce or prevent heat emission, please refer to fig. 2 and fig. 3, further comprising an explosion-proof hole cover plate 3, wherein the explosion-proof hole cover plate 3 is movably connected with the housing body 1, and the explosion-proof hole cover plate 3 is used for opening and closing the airflow channel 2 on the housing body 1. In the reversing combustion process of the heat accumulating type lead melting furnace, the air pressure in the hearth 5 changes by over 1000 kpa. When the pressure in the hearth 5 is higher than the indoor pressure, the gas in the furnace rushes out the explosion-proof hole cover plate 3 and is discharged; when the pressure in the hearth 5 is lower than the indoor pressure, the explosion-proof hole cover plate 3 covers the explosion-proof hole to prevent the heat from overflowing.
The explosion-proof hole cover plate 3 is rotatably connected with the shell body 1. As a specific embodiment of the rotational connection between the explosion-proof hole cover plate 3 and the housing body 1, a reset device is disposed at the rotational connection between the explosion-proof hole cover plate 3 and the housing body 1, and the reset device has a tendency to make the explosion-proof hole cover plate 3 move toward the direction of closing the air flow channel 2 on the housing body 1. The reset means may be a torsion spring. In the reversing combustion process of the heat accumulating type lead melting furnace, the air pressure in the hearth 5 changes by over 1000 kpa. When the pressure in the hearth 5 is higher than the indoor pressure, the gas in the furnace rushes out the explosion-proof hole cover plate 3 and is discharged; when the pressure in the hearth 5 is lower than the indoor pressure, the explosion-proof hole cover plate 3 covers the explosion-proof hole under the action of the resetting device to prevent heat from overflowing.
As another specific embodiment of the rotation connection between the explosion-proof hole cover plate 3 and the housing body 1, please refer to fig. 3, a limiting portion 4 is disposed on the housing body 1, when the explosion-proof hole cover plate 3 opens the airflow channel 2 on the housing body 1, the limiting portion 4 abuts against the explosion-proof hole cover plate 3 to make the explosion-proof hole cover plate 3 inclined, and the explosion-proof hole cover plate 3 can move toward the direction of closing the airflow channel 2 on the housing body 1 under the action of its own gravity. In the reversing combustion process of the heat accumulating type lead melting furnace, the air pressure in the hearth 5 changes by over 1000 kpa. When the pressure in the hearth 5 is higher than the indoor pressure, the gas in the furnace rushes out the explosion-proof hole cover plate 3 and is discharged; when the pressure in the hearth 5 is lower than the indoor pressure, the explosion-proof hole cover plate 3 covers the explosion-proof hole under the action of self gravity to prevent heat from overflowing. The anti-explosion hole cover plate 3 is additionally arranged at the outlet end of the shell body 1, gas in the furnace rushes out the anti-explosion hole cover plate 3 to be discharged when the furnace pressure is too large, and the anti-explosion hole cover plate 3 covers the anti-explosion hole due to the gravity action to avoid heat loss when the furnace pressure is too small.
Specifically, optionally, the airflow channel 2 is in a circular hole shape, that is, the outer side of the shell body 1 is square, and the inner side is circular. More preferably, the explosion-proof hole cover plate 3 is also made of K alloy. The service life of the explosion-proof hole structure is prolonged by 8 to 10 times by the explosion-proof hole cover plate 3 and the shell body 1 which are made of K alloy.
In summary, the explosion-proof hole structure of the present invention includes a cubic housing body 1, an airflow channel 2 is formed on the housing body 1, and the housing body 1 is made of K alloy. Compared with a common iron pipe made of a common stainless steel material, the anti-explosion hole structure made of the K alloy has better heat-resisting temperature and greatly prolonged service life, and the service life of the anti-explosion hole structure made of the K alloy is 8-10 times that of the common iron pipe.
EXAMPLE III
Referring to fig. 1, 2, 3 and 4, the present embodiment provides a heat accumulating type lead melting furnace, which includes a furnace chamber 5, a furnace cover 6 is disposed on the top of the furnace chamber 5, an explosion-proof hole structure is disposed on the furnace cover 6, the explosion-proof hole structure includes a cubic shell body 1, an air flow channel 2 is formed on the shell body 1, and the shell body 1 is made of K alloy.
The K alloy is an alloy in which Gold and other metals are mixed, and is abbreviated as K Gold because the english language is kart Gold. According to the requirement of the production process, the temperature in the hearth 5 is kept at 800-. Compared with common stainless steel materials, the K alloy can prolong the service life of the explosion-proof hole by 8 to 10 times.
From the above, the heat accumulating type lead melting furnace comprises a hearth 5, a furnace cover 6 is arranged at the top of the hearth 5, an explosion-proof hole structure is arranged on the furnace cover 6, the explosion-proof hole structure comprises a cubic shell body 1, an air flow channel 2 is formed on the shell body 1, and the shell body 1 is made of K alloy. Compared with a common iron pipe made of a common stainless steel material, the anti-explosion hole structure made of the K alloy has better heat-resisting temperature and greatly prolonged service life, and the service life of the anti-explosion hole structure made of the K alloy is 8-10 times that of the common iron pipe.
In a preferred embodiment, referring to fig. 1, 2, 3 and 4, the casing body 1 is in a square tube shape, and the circular explosion-proof hole structure is changed into a square explosion-proof hole structure, so that the square tube design is beneficial to building the furnace bricks, and the furnace bricks can not collapse or the risk of the furnace bricks collapsing is reduced.
In order to reduce or prevent heat emission, please refer to fig. 2 and fig. 3, further comprising an explosion-proof hole cover plate 3, wherein the explosion-proof hole cover plate 3 is movably connected with the housing body 1, and the explosion-proof hole cover plate 3 is used for opening and closing the airflow channel 2 on the housing body 1. In the reversing combustion process of the heat accumulating type lead melting furnace, the air pressure in the hearth 5 changes by over 1000 kpa. When the pressure in the hearth 5 is higher than the indoor pressure, the gas in the furnace rushes out the explosion-proof hole cover plate 3 and is discharged; when the pressure in the hearth 5 is lower than the indoor pressure, the explosion-proof hole cover plate 3 covers the explosion-proof hole to prevent the heat from overflowing.
The explosion-proof hole cover plate 3 is rotatably connected with the shell body 1. As a specific embodiment of the rotational connection between the explosion-proof hole cover plate 3 and the housing body 1, a reset device is disposed at the rotational connection between the explosion-proof hole cover plate 3 and the housing body 1, and the reset device has a tendency to make the explosion-proof hole cover plate 3 move toward the direction of closing the air flow channel 2 on the housing body 1. The reset means may be a torsion spring. In the reversing combustion process of the heat accumulating type lead melting furnace, the air pressure in the hearth 5 changes by over 1000 kpa. When the pressure in the hearth 5 is higher than the indoor pressure, the gas in the furnace rushes out the explosion-proof hole cover plate 3 and is discharged; when the pressure in the hearth 5 is lower than the indoor pressure, the explosion-proof hole cover plate 3 covers the explosion-proof hole under the action of the resetting device to prevent heat from overflowing.
As another specific embodiment of the rotation connection between the explosion-proof hole cover plate 3 and the housing body 1, please refer to fig. 3, a limiting portion 4 is disposed on the housing body 1, when the explosion-proof hole cover plate 3 opens the airflow channel 2 on the housing body 1, the limiting portion 4 abuts against the explosion-proof hole cover plate 3 to make the explosion-proof hole cover plate 3 inclined, and the explosion-proof hole cover plate 3 can move toward the direction of closing the airflow channel 2 on the housing body 1 under the action of its own gravity. In the reversing combustion process of the heat accumulating type lead melting furnace, the air pressure in the hearth 5 changes by over 1000 kpa. When the pressure in the hearth 5 is higher than the indoor pressure, the gas in the furnace rushes out the explosion-proof hole cover plate 3 and is discharged; when the pressure in the hearth 5 is lower than the indoor pressure, the explosion-proof hole cover plate 3 covers the explosion-proof hole under the action of self gravity to prevent heat from overflowing. The anti-explosion hole cover plate 3 is additionally arranged at the outlet end of the shell body 1, gas in the furnace rushes out the anti-explosion hole cover plate 3 to be discharged when the furnace pressure is too large, and the anti-explosion hole cover plate 3 covers the anti-explosion hole due to the gravity action to avoid heat loss when the furnace pressure is too small.
Specifically, referring to fig. 1 and 2, the airflow channel 2 is in a circular hole shape, that is, the outer side of the housing body 1 is square, and the inner side is circular. More preferably, the explosion-proof hole cover plate 3 is also made of K alloy. The service life of the explosion-proof hole structure is prolonged by 8 to 10 times by the explosion-proof hole cover plate 3 and the shell body 1 which are made of K alloy.
In summary, the heat accumulating type lead melting furnace comprises a hearth 5, a furnace cover 6 is arranged at the top of the hearth 5, an explosion-proof hole structure is arranged on the furnace cover 6, the explosion-proof hole structure comprises a cubic shell body 1, an airflow channel 2 is formed on the shell body 1, and the shell body 1 is made of K alloy. Compared with a common iron pipe made of a common stainless steel material, the anti-explosion hole structure made of the K alloy has better heat-resisting temperature and greatly prolonged service life, and the service life of the anti-explosion hole structure made of the K alloy is 8-10 times that of the common iron pipe.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An explosion-proof hole structure, includes the shell body (1) that the cube form is described, be formed with airflow channel (2) on shell body (1), its characterized in that: the shell body (1) is made of K alloy.
2. The blast-resistant hole structure according to claim 1, wherein: the shell body (1) is in a square tubular shape.
3. The blast-resistant hole structure according to claim 1, wherein: the explosion-proof shell is characterized by further comprising an explosion-proof hole cover plate (3), wherein the explosion-proof hole cover plate (3) is movably connected with the shell body (1), and the explosion-proof hole cover plate (3) is used for opening and closing the air flow channel (2) on the shell body (1).
4. The blast-resistant hole structure according to claim 3, wherein: the explosion-proof hole cover plate (3) is rotatably connected with the shell body (1).
5. The blast-resistant hole structure according to claim 4, wherein: the rotating connection part of the explosion-proof hole cover plate (3) and the shell body (1) is provided with a reset device, and the reset device has a tendency that the explosion-proof hole cover plate (3) moves towards the direction of closing the air flow channel (2) on the shell body (1).
6. The blast-resistant hole structure according to claim 5, wherein: the reset device is a torsion spring.
7. The blast-resistant hole structure according to claim 3, wherein: be equipped with spacing portion (4) on shell body (1) explosion-proof hole apron (3) are opened during airflow channel (2) on shell body (1), spacing portion (4) with explosion-proof hole apron (3) offset makes explosion-proof hole apron (3) are the slope form, explosion-proof hole apron (3) can be under the effect of self gravity towards closing the direction motion of airflow channel (2) on shell body (1).
8. The blast-proof hole structure according to any one of claims 3 to 7, wherein: the explosion-proof hole cover plate (3) is made of K alloy.
9. The blast-proof hole structure according to any one of claims 1 to 7, wherein: the airflow channel (2) is in a circular hole shape.
10. The utility model provides a heat accumulation formula lead melting furnace, includes furnace (5), and furnace (5) top is provided with bell (6), its characterized in that: the furnace cover (6) is provided with an explosion-proof hole structure according to any one of claims 1 to 9.
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| CN202011160987.5A CN113267044A (en) | 2020-10-27 | 2020-10-27 | Heat accumulating type lead melting furnace and explosion-proof hole structure thereof |
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