CN111440940B - Large deformation self-adaptive sealing device for wire rod fused salt roller way box body - Google Patents
Large deformation self-adaptive sealing device for wire rod fused salt roller way box body Download PDFInfo
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- CN111440940B CN111440940B CN202010280649.9A CN202010280649A CN111440940B CN 111440940 B CN111440940 B CN 111440940B CN 202010280649 A CN202010280649 A CN 202010280649A CN 111440940 B CN111440940 B CN 111440940B
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- box body
- roller way
- molten salt
- upper box
- sealing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/607—Molten salts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/50—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
- F16J15/52—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention belongs to the technical field of metallurgical heat treatment equipment, and particularly relates to a large-deformation self-adaptive sealing device for a coil rod molten salt roller way box body. According to the invention, through the organic arrangement of the molten salt circulation control system, the lower box body, the upper box body, the molten salt, the roller way, the bearing seat, the fixed support, the sealing assembly and the chain wheel, the invention can ensure that the stainless steel sealing hose in the sealing assembly is deformed even when the box body works at a high temperature of more than 550 ℃, the flexibility of the stainless steel sealing hose is fully utilized, the deformation of the stainless steel sealing hose can be well adapted, the roller way can also rotate freely, and only a small amount of molten salt flows away from a gap between the roller way and the upper box body, so that the wire rod is always soaked in the molten salt, and the purpose of heat treatment is achieved. The invention has simple and reliable structure, low cost and convenient maintenance.
Description
Technical Field
The invention belongs to the technical field of metallurgical heat treatment equipment, and particularly relates to a large-deformation self-adaptive sealing device for a coil rod molten salt roller way box body.
Background
In the actual production of the wire rod, the whole strength and toughness of the material are improved by adopting the air cooling and water quenching technology. However, the air cooling and water quenching technology is difficult to improve after the strength of the material reaches 1200MPa due to the limitations of the technology, but the wire rod can be subjected to heat treatment by molten salt to obtain higher strength, so that the molten salt heat treatment technology of the wire rod is rapidly developed in recent years. When the wire rod molten salt is subjected to heat treatment, the molten salt is more than 550 ℃ for a long time, and therefore extremely high requirements are put on a bearing box body and a roller way. The high-temperature strength of the box body is guaranteed, the phenomenon that the rotation of the roller way is influenced by large deformation of the box body is avoided, and meanwhile, molten salt is prevented from leaking from gaps of the roller way in a large quantity.
Disclosure of Invention
The invention provides a self-adaptive sealing device for large deformation of a wire rod molten salt roller way box body, and aims to provide a device which can ensure that large deformation generated when the box body works in a high-temperature environment has no influence on roller way rotation, can realize that little part of molten salt in the box body leaks from a gap between a roller way and the box body, and ensures that the process requirement of wire rod salt bath heat treatment is met.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a large deformation self-adaptive sealing device for a coil fused salt roller way box body at least comprises a fused salt circulation control system and further comprises
A fixing bracket is arranged on the upper surface of the bracket,
the upper part of the lower box body is open and connected to the fixed bracket;
the upper part of the upper box body is open, the upper box body is connected to the fixed support and is arranged right above the lower box body, a plurality of pairs of roller way holes for the roller way to pass through are correspondingly formed on the opposite side walls of the upper box body respectively, and the upper box body is communicated with the lower box body through a molten salt circulating system;
molten salt is arranged in the lower box body and the upper box body;
the roller ways are provided with a plurality of groups, and the plurality of groups of roller ways are arranged in two roller way holes formed in the opposite side walls of the upper box body;
bearing seats are arranged at two ends of the roller way, and the roller way is connected with the fixed bracket through the bearing seats;
the sealing assemblies are respectively sleeved on each roller way, one end of each sealing assembly is respectively fixedly connected with the inner side walls on two sides of the upper box body, and the other end of each sealing assembly is sleeved on the roller way with a gap;
the chain wheels are arranged at the end heads of one end of the roller tables, and the chain wheels on the roller tables are connected in series.
The sealing component comprises a stainless steel sealing hose, a circular plate and a sealing ring; the circular plate and the sealing ring are respectively fixed at two ends of the stainless steel sealing hose, the stainless steel sealing hose is sleeved on the roller way, one end of the stainless steel sealing hose is fixedly connected with the inner side wall of the upper box body through the circular plate, and the other end of the stainless steel sealing hose is sleeved on the roller way through the sealing ring with a gap.
The gap between the sealing ring and the roller way is 3-10 microns.
The sealing ring is made of wear-resistant, high-temperature-resistant and corrosion-resistant materials.
The roller way is positioned outside the upper box body and is fixedly connected with a salt baffle plate at a position close to the through hole of the upper box body.
The salt baffle is vertical to the roller way and is 20-30 mm away from the outer side wall of the upper box body.
The axis of the roller way passes through the center of the roller way hole on the side wall of the upper box body.
The diameter of the roller way hole formed in the upper box body is 1.3-1.8 times of the diameter of the roller way.
The side wall of the upper box body is connected with a pipeline, and the upper box body is communicated with a molten salt circulating system through the pipeline.
The pairs of roller holes on the upper box body are uniformly arranged on the opposite side walls of the upper box body.
The beneficial effects are that:
the invention has the following effects by the organic arrangement of the molten salt circulation control system, the lower box body, the upper box body, the molten salt, the roller way, the bearing seat, the fixed support, the sealing component and the chain wheel
1. The invention can ensure that the roller way can rotate freely even if deformation occurs when the box body works at a high temperature of more than 550 ℃, and only a small amount of molten salt flows away from the gap between the roller way and the upper box body, so that the wire rod is always soaked in the molten salt, and the aim of heat treatment is achieved.
2. When the upper box body is deformed during high-temperature operation, the flexibility of the stainless steel sealing hose in the sealing assembly is fully utilized, so that the deformation of the stainless steel sealing hose can be well adapted, and a good sealing effect is ensured.
3. The invention has simple and reliable structure, low cost and convenient maintenance.
The foregoing description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention more clearly understood, it can be implemented according to the content of the specification, and the following detailed description of the preferred embodiments of the present invention will be given with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic general construction of the present invention;
FIG. 2 is a schematic view of the upper housing and roller table at normal temperature;
FIG. 3 is a schematic diagram of the upper tank and roller table at high temperature of the molten salt.
In the figure: 1-a sprocket; 2-bearing seats; 3-fixing a bracket; 4-salt baffle; 5-stainless steel sealing hose; 5 a-a circular plate; 5 b-a sealing ring; 6-a roller way; 7-wire rods; 8-molten salt; 9-upper box body; 10-piping; 11-lower box.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
1-3, a large deformation self-adaptive sealing device for a coil rod molten salt roller way box body at least comprises a molten salt circulation control system and further comprises
The fixing bracket 3 is provided with a plurality of fixing holes,
the upper part of the lower box body 11 is open and connected to the fixed bracket 3;
the upper box body 9 is opened at the upper part of the upper box body 9, the upper box body 9 is connected to the fixed bracket 3 and is arranged right above the lower box body 11, a plurality of pairs of roller way holes for the roller way 6 to pass through are correspondingly formed on the opposite side walls of the upper box body 9 respectively, and the upper box body 9 is communicated with the lower box body 11 through a molten salt circulating system;
molten salt 8, wherein the molten salt 8 is arranged in a lower box 11 and an upper box 9;
the roller ways 6 are provided with a plurality of groups, and the roller ways 6 are arranged in two roller way holes formed in the opposite side walls of the upper box body 9;
the bearing seats 2 are arranged at two ends of the roller way 6, and the roller way 6 is connected with the fixed bracket 3 through the bearing seats 2;
the sealing assemblies are respectively sleeved on each roller way 6, one end of each sealing assembly is respectively fixedly connected with the inner side walls on two sides of the upper box body 9, and the other end of each sealing assembly is sleeved on the roller way 6 with a gap;
the chain wheel 1 is arranged at the end of one end of the roller way 6, and the chain wheels 1 on the roller ways 6 are connected in series.
In actual use, the chain wheels 1 of the roller tables 6 are connected in series and driven by the driving device to rotate; the circular plate 5a on the stainless steel sealing hose 5 is welded with the circular hole on the side wall of the upper box body 9 coaxially, the sealing ring 5b on the stainless steel sealing hose 5 is arranged on the roller way, and a small gap is reserved between the sealing ring 5b and the roller way, so that the sealing ring 5b is ensured to be motionless when the roller way 6 rotates, and only a small amount of molten salt is ensured to flow out of the gap between the roller way 6 and the sealing ring 5b; bearing blocks 2 are arranged at two ends of the roller way 6 and play a supporting role, and the bearing blocks 2 are fixed on the existing equipment; the chain wheels 1 of the roller tables 6 are connected in series and driven by the driving device to rotate; the roller way 6 supports the wire rods 7, and the wire rods 7 can move along the direction vertical to the axial direction of the roller way when the roller way 6 rotates; the molten salt 8 can be sent into the upper box body 9 from the lower box body 11 through a molten salt circulation control system in the prior art, and the liquid level height of the molten salt 8 in the upper box body 9 can be ensured through the molten salt circulation control system, so that the wire rod 7 is always under the burial of the molten salt 8.
The molten salt circulation control system in the embodiment adopts the prior art and mainly comprises a molten salt heater, a molten salt circulating pump, a heat exchanger, a reactor, a temperature, flow, a lift acquisition control system and the like.
The invention can ensure that only a small amount of molten salt flows away from the gap between the roller way and the upper box body when the box body works at a high temperature of more than 550 ℃, so that the wire rods are always soaked in the molten salt, and the aim of heat treatment is achieved. The invention has simple and reliable structure, low cost and convenient maintenance.
Embodiment two:
referring to fig. 1, a large deformation self-adaptive sealing device for a wire rod molten salt roller table box body is different from the embodiment in that: the sealing assembly comprises a stainless steel sealing hose 5, a circular plate 5a and a sealing ring 5b; the circular plate 5a and the sealing ring 5b are respectively fixed at two ends of the stainless steel sealing hose 5, the stainless steel sealing hose 5 is sleeved on the roller way 6, one end of the stainless steel sealing hose 5 is fixedly connected with the inner side wall of the upper box body 9 through the circular plate 5a, and the other end of the stainless steel sealing hose 5 is sleeved on the roller way 6 with a gap through the sealing ring 5 b.
When in actual use, the sealing assembly adopts the technical scheme, so that not only can the roller way 6 be guaranteed to rotate normally, but also only a small amount of molten salt 8 flows out between the roller way 6 and the upper box body 9, and the wire rod 7 is ensured to be always soaked in the molten salt 8, so that the aim of heat treatment is fulfilled.
When the upper box body 9 is deformed during high-temperature operation, the flexibility of the stainless steel sealing hose 5 in the sealing assembly is fully utilized, so that the deformation of the stainless steel sealing hose can be well adapted, and a good sealing effect is ensured.
Embodiment III:
referring to fig. 1, a large deformation self-adaptive sealing device for a wire rod molten salt roller table box body is different from the second embodiment in that: the gap between the sealing ring 5b and the roller way 6 is 3-10 microns.
In actual use, the gap between the sealing ring 5b and the roller way 6 adopts a technical scheme of 3-10 micrometers, so that not only is the normal rotation of the roller way 6 ensured, but also only a smaller amount of molten salt 8 between the roller way 6 and the upper box body 9 is ensured to flow out.
Embodiment four:
referring to fig. 1, a large deformation self-adaptive sealing device for a wire rod molten salt roller table box body is different from the second embodiment in that: the sealing ring 5b is made of wear-resistant, high-temperature-resistant and corrosion-resistant materials.
When in actual use, the sealing ring 5b adopts the technical scheme, so that the sealing ring 5b can work stably and continuously.
In specific application, the wear-resistant, high-temperature-resistant and corrosion-resistant materials can be ceramic fiber packing, graphite packing and the like.
Fifth embodiment:
referring to fig. 1, a large deformation self-adaptive sealing device for a wire rod molten salt roller table box body is different from the embodiment in that: the roller way 6 is positioned outside the upper box body 9 and is fixedly connected with the salt baffle 4 at a position close to the through hole of the upper box body 9.
When in actual use, the salt baffle plate 4 is arranged, so that a smaller amount of molten salt 8 flowing out from the gap between the sealing ring 5b and the roller way 6 is blocked from flowing into the lower box 11, thereby avoiding the loss of the molten salt 8 and saving the cost.
Example six:
referring to fig. 1, a large deformation self-adaptive sealing device for a wire rod molten salt roller table box body is different from the fifth embodiment in that: the salt baffle 4 is vertical to the roller way 6 and is 20-30 mm away from the outer side wall of the upper box 9.
When in actual use, the salt baffle 4 adopts the technical scheme, so that molten salt 8 is effectively blocked and falls into the lower box 11, and the loss of the molten salt 8 is avoided.
Embodiment seven:
referring to fig. 1, a large deformation self-adaptive sealing device for a wire rod molten salt roller table box body is different from the embodiment in that: the axis of the roller way 6 passes through the center of the roller way hole on the side wall of the upper box body 9.
When in actual use, the technical scheme can enable the gap between the box body hole and the shaft to be minimum under the condition of ensuring no interference with the shaft when the box body deforms towards all directions.
Example eight:
1-3, a wire rod fused salt roller way box body large deformation self-adaptive sealing device is different from the embodiment in that: the diameter of the roller way hole formed in the upper box body 9 is 1.3-1.8 times of the diameter of the roller way 6.
When in actual use, the diameter of the roller way hole formed in the upper box body 9 adopts the technical scheme, so that the roller way can freely rotate even if deformation occurs.
Example nine:
referring to fig. 1, a large deformation self-adaptive sealing device for a wire rod molten salt roller table box body is different from the embodiment in that: the side wall of the upper box body 9 is connected with a pipeline 10, and the upper box body 9 is communicated with a molten salt circulating system through the pipeline 10.
During actual use, the upper box body 9 is communicated with the molten salt circulating system through the pipeline 10, so that the upper box body 9 is more convenient to connect with the molten salt circulating system, the tightness of the upper box body 9 is ensured, and the loss of molten salt caused by the connection of the upper box body 9 with the molten salt circulating system is avoided.
Example ten:
1-3, a wire rod fused salt roller way box body large deformation self-adaptive sealing device is different from the embodiment in that: the pairs of roller holes on the upper box body 9 are uniformly arranged on the opposite side walls of the upper box body 9.
When in actual use, the pairs of roller holes on the upper box body 9 are uniformly arranged on the opposite side walls of the upper box body 9, so that the box body is convenient to manufacture and maintain.
In summary, the molten salt circulation control system, the lower box body, the upper box body, the molten salt, the roller way, the bearing seat, the fixing support, the sealing assembly and the chain wheel are organically arranged, so that the invention can ensure that the roller way can freely rotate even if deformation occurs when the box body works at a high temperature of more than 550 ℃, and only a small amount of molten salt flows away from a gap between the roller way and the upper box body, so that the wire rod is always soaked in the molten salt, and the aim of heat treatment is fulfilled. The invention has simple and reliable structure, low cost and convenient maintenance.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Under the condition of no conflict, the technical features related to the examples can be combined with each other according to actual situations by a person skilled in the art so as to achieve corresponding technical effects, and specific details of the combination situations are not described in detail herein.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
While the invention is susceptible of embodiments in accordance with the preferred embodiments, the invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a wire rod fused salt roll table box large deformation self-adaptation sealing device, includes fused salt circulation control system, its characterized in that at least: and also comprises
A fixed bracket (3),
the upper part of the lower box body (11) is open and connected to the fixed bracket (3);
the upper part of the upper box body (9) is open, the upper box body (9) is connected to the fixed support (3) and is arranged right above the lower box body (11), a plurality of pairs of roller way holes for the roller way (6) to pass through are respectively and correspondingly formed in the opposite side walls of the upper box body (9), and the upper box body (9) is communicated with the lower box body (11) through a molten salt circulation system;
molten salt (8), the molten salt (8) is arranged in the lower box body (11) and the upper box body (9);
the roller ways (6), the roller ways (6) are provided with a plurality of groups, and the roller ways (6) are arranged in two roller way holes formed in the opposite side walls of the upper box body (9);
the bearing seats (2) are arranged at two ends of the roller way (6), and the roller way (6) is connected with the fixed bracket (3) through the bearing seats (2);
the sealing assemblies are respectively sleeved on each roller way (6), one end of each sealing assembly is respectively and fixedly connected with the inner side walls on two sides of the upper box body (9), and the other end of each sealing assembly is sleeved on the roller way (6) with a gap;
the chain wheels (1) are arranged at the end head of one end of the roller way (6), and the chain wheels (1) on the roller ways (6) are connected in series;
the sealing assembly comprises a stainless steel sealing hose (5), a circular plate (5 a) and a sealing ring (5 b); the circular plate (5 a) and the sealing ring (5 b) are respectively fixed at two ends of the stainless steel sealing hose (5), the stainless steel sealing hose (5) is sleeved on the roller way (6), one end of the stainless steel sealing hose (5) is fixedly connected with the inner side wall of the upper box body (9) through the circular plate (5 a), and the other end of the stainless steel sealing hose (5) is sleeved on the roller way (6) with a gap through the sealing ring (5 b);
the sealing ring (5 b) is made of wear-resistant, high-temperature-resistant and corrosion-resistant materials.
2. The large deformation self-adaptive sealing device for a wire rod molten salt roller way box body according to claim 1, wherein the device comprises the following components: the gap between the sealing ring (5 b) and the roller way (6) is 3-10 microns.
3. The large deformation self-adaptive sealing device for a wire rod molten salt roller way box body according to claim 1, wherein the device comprises the following components: the roller way (6) is positioned outside the upper box body (9) and is fixedly connected with the salt baffle plate (4) at a position close to the through hole of the upper box body (9).
4. A wire rod fused salt roll table box large deformation self-adaptation sealing device as defined in claim 3, wherein: the salt baffle (4) is perpendicular to the roller way (6) and is 20-30 mm away from the outer side wall of the upper box body (9).
5. The large deformation self-adaptive sealing device for a wire rod molten salt roller way box body according to claim 1, wherein the device comprises the following components: the axis of the roller way (6) passes through the center of a roller way hole on the side wall of the upper box body (9).
6. The large deformation self-adaptive sealing device for a wire rod molten salt roller way box body according to claim 1, wherein the device comprises the following components: the diameter of the roller way hole formed in the upper box body (9) is 1.3-1.8 times of the diameter of the roller way (6).
7. The large deformation self-adaptive sealing device for a wire rod molten salt roller way box body according to claim 1, wherein the device comprises the following components: the side wall of the upper box body (9) is connected with a pipeline (10), and the upper box body (9) is communicated with a molten salt circulating system through the pipeline (10).
8. The large deformation self-adaptive sealing device for a wire rod molten salt roller way box body according to claim 1, wherein the device comprises the following components: the pairs of roller holes on the upper box body (9) are uniformly arranged on the opposite side walls of the upper box body (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010280649.9A CN111440940B (en) | 2020-04-10 | 2020-04-10 | Large deformation self-adaptive sealing device for wire rod fused salt roller way box body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010280649.9A CN111440940B (en) | 2020-04-10 | 2020-04-10 | Large deformation self-adaptive sealing device for wire rod fused salt roller way box body |
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| CN111440940A CN111440940A (en) | 2020-07-24 |
| CN111440940B true CN111440940B (en) | 2023-08-08 |
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|---|---|---|---|---|
| JPH07118759A (en) * | 1993-10-19 | 1995-05-09 | Nippon Steel Corp | Heat treatment for wire rod |
| DE102009000161A1 (en) * | 2009-01-13 | 2010-07-15 | Battenfeld Extrusionstechnik Gmbh | Method for sealing insert zone of vacuum and calibrating tank in extrusion line, involves retaining contact of molten tube at inner wall of calibrating sleeve, and attachment of tube at inner contour of ring opening in front wall of tank |
| CN203667472U (en) * | 2013-11-25 | 2014-06-25 | 无锡艾迪尔机械制造有限公司 | Sealing device of conveying roller bed |
| CN105865227A (en) * | 2016-05-30 | 2016-08-17 | 东方电气集团东方锅炉股份有限公司 | Roller type slag cooler using molten salt as cooling medium |
| CN107290143A (en) * | 2017-06-30 | 2017-10-24 | 天津滨海设备配套技术有限公司 | The test device and method of testing of high-temperature molten salt swivel joint |
| CN107988468A (en) * | 2018-01-23 | 2018-05-04 | 北京建通鸿翔科技有限公司 | A kind of device suitable for isothermal hardening |
| CN212426132U (en) * | 2020-04-10 | 2021-01-29 | 中国重型机械研究院股份公司 | Wire rod fused salt roll table box body large deformation self-adaptation sealing mechanism |
-
2020
- 2020-04-10 CN CN202010280649.9A patent/CN111440940B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07118759A (en) * | 1993-10-19 | 1995-05-09 | Nippon Steel Corp | Heat treatment for wire rod |
| DE102009000161A1 (en) * | 2009-01-13 | 2010-07-15 | Battenfeld Extrusionstechnik Gmbh | Method for sealing insert zone of vacuum and calibrating tank in extrusion line, involves retaining contact of molten tube at inner wall of calibrating sleeve, and attachment of tube at inner contour of ring opening in front wall of tank |
| CN203667472U (en) * | 2013-11-25 | 2014-06-25 | 无锡艾迪尔机械制造有限公司 | Sealing device of conveying roller bed |
| CN105865227A (en) * | 2016-05-30 | 2016-08-17 | 东方电气集团东方锅炉股份有限公司 | Roller type slag cooler using molten salt as cooling medium |
| CN107290143A (en) * | 2017-06-30 | 2017-10-24 | 天津滨海设备配套技术有限公司 | The test device and method of testing of high-temperature molten salt swivel joint |
| CN107988468A (en) * | 2018-01-23 | 2018-05-04 | 北京建通鸿翔科技有限公司 | A kind of device suitable for isothermal hardening |
| CN212426132U (en) * | 2020-04-10 | 2021-01-29 | 中国重型机械研究院股份公司 | Wire rod fused salt roll table box body large deformation self-adaptation sealing mechanism |
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| CN111440940A (en) | 2020-07-24 |
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