CN219490087U - Material frame closed-loop running roller rod passing type heat treatment production line - Google Patents

Material frame closed-loop running roller rod passing type heat treatment production line Download PDF

Info

Publication number
CN219490087U
CN219490087U CN202223173771.XU CN202223173771U CN219490087U CN 219490087 U CN219490087 U CN 219490087U CN 202223173771 U CN202223173771 U CN 202223173771U CN 219490087 U CN219490087 U CN 219490087U
Authority
CN
China
Prior art keywords
furnace
solid solution
door
aging
feeding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202223173771.XU
Other languages
Chinese (zh)
Inventor
古飞
王腊庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Hino Furnace Technology Co ltd
Original Assignee
Nanjing Hino Furnace Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Hino Furnace Technology Co ltd filed Critical Nanjing Hino Furnace Technology Co ltd
Priority to CN202223173771.XU priority Critical patent/CN219490087U/en
Application granted granted Critical
Publication of CN219490087U publication Critical patent/CN219490087U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Tunnel Furnaces (AREA)

Abstract

The utility model relates to a material frame closed loop running roller rod passing type heat treatment production line, which comprises the following steps: the quenching device is characterized in that an intermediate door mechanism is further arranged on the inner wall of the solution furnace close to the feeding door of the solution furnace, a quenching mechanism is arranged on the outer side of the discharging door of the solution furnace, an intermediate door mechanism is arranged on the inner wall of the aging furnace close to the feeding door of the aging furnace, a cooling chamber is arranged at one end of the discharging material of the aging furnace, a feeding table of the solution furnace is arranged on the outer side of the feeding door of the solution furnace, a discharging table of the solution furnace is arranged on the outer side of the quenching mechanism, a feeding table of the aging furnace is arranged on the outer side of the feeding door of the aging furnace, a discharging table of the aging furnace is arranged on the outer side of the cooling chamber, combustion systems are respectively arranged above the inner sides of a furnace group and an aging furnace group, the discharging table of the solution furnace is connected with the feeding table of the aging furnace through a bidirectional track, a transfer trolley is arranged on the bidirectional track, a rotary lifting table is further arranged on the outer side of the discharging table of the aging furnace, and a cantilever crane is erected above the rotary lifting table. The utility model can avoid a large number of transfer sites, and has convenient operation and high production efficiency.

Description

Material frame closed-loop running roller rod passing type heat treatment production line
Technical Field
The utility model relates to the technical field of heat treatment equipment, in particular to a material frame closed-loop running roller rod passing type heat treatment production line.
Background
In the technical engineering of the mechanical industry, heat treatment plants are an important component. The heat treatment workshops (or sections) of factories are mainly small and medium-sized, are not paid enough attention for a long time in the past, equipment is old, the production environment is lowered, the original method for arranging facilities is not ideal or perfected, and the problem of exposure is increased, so that faults occur.
At present, most of domestic mechanical manufacturing enterprises commonly use a work piece material frame production line technology of a single-door heat treatment furnace, a large amount of heat loss is generated when a furnace door is opened each time, meanwhile, the quenching transfer time of the work piece material frame is long, the furnace door is opened for a long time, the quality of hub products in the furnace is influenced, secondly, heat treatment equipment of a plurality of manufacturing enterprises is various, such as a solid furnace, a quenching furnace, an aging furnace and the like, the equipment is a periodical pit furnace or a box furnace, different operations are carried out in different furnace types, a plurality of heat treatment furnaces are independently arranged and distributed at each position of a workshop, a large amount of transfer sites are needed, on one hand, the waste of occupied area is caused, on the other hand, aluminum alloy products are transferred from one furnace to the other furnace, the process increases the use of cranes of a conveying device, the workload is high, the production energy consumption is high, and the transportation turnover of steel plates is complex; meanwhile, the quality of the aluminum alloy product can be damaged in the moving process, and a large amount of waste gas can be generated in the smelting process, so that the waste gas is not purified and discharged to the outside to cause unnecessary harm to human bodies and the atmosphere.
Therefore, a modern full-automatic material frame closed-loop running roller rod passing type heat treatment production line is urgently needed, high product quality, high production efficiency, high environmental protection, low cost and consumption requirements can be met, and the effects of advanced technology, economy, rationality, energy conservation, little (no) emission, environmental friendliness, convenience in operation and the like are reflected.
Disclosure of Invention
(1) Technical problem to be solved
Aiming at the defects of the prior art, the utility model aims to provide a material frame closed-loop running roller rod passing type heat treatment production line.
(2) Technical proposal
In order to solve the technical problems described above, the present utility model provides a closed loop running roller bar through-type heat treatment production line for a material frame, a solution furnace group, an aging furnace group, a solution furnace door mechanism, an aging furnace door mechanism and a feeding and discharging table, the solution furnace door mechanism comprises a solution furnace feed door and a solution furnace discharge door, the solution furnace feed door and the solution furnace discharge door are respectively installed on two corresponding sides of the solution furnace group, and a middle door mechanism is also provided on the solution furnace inner wall near the solution furnace feed door, a quenching mechanism is provided on the outer side of the solution furnace discharge door, the aging furnace door mechanism comprises an aging furnace feed door and an aging furnace discharge door, the aging furnace feed door and the aging furnace discharge door are respectively installed on two corresponding sides of the aging furnace group, and a cooling chamber is provided on the aging furnace inner wall near the aging furnace feed door, the feeding and discharging table comprises a solution furnace feeding table, a solution furnace blanking table, an aging furnace feeding table and an aging furnace blanking table, a solution furnace feeding table is provided on the outer side of the solution furnace table is provided with a quenching table, an aging furnace cooling table is provided on the outer side of the aging furnace table is provided on the aging furnace table, an aging furnace feeding table is provided on the aging furnace table is provided with a cooling table is provided on the aging furnace table, and a cooling table is provided on the aging furnace table is provided with a cooling table, and a cooling table is provided on the aging furnace table is provided with a cooling table. The material frame lifting and transferring device is arranged above the solid solution furnace feeding table, the solid solution furnace discharging table, the aging furnace feeding table and the aging furnace discharging table.
The solid solution furnace group consists of a plurality of solid solution furnaces which are arranged in parallel, and the aging furnace group consists of a plurality of aging furnaces which are arranged in parallel, wherein the solid solution furnaces and the aging furnaces are both cylindrical.
The periphery of the whole heat treatment production line is provided with the safety purse net.
The inner wall above the solution furnace group is provided with a solution furnace circulating fan, and the inner wall above the aging furnace group is provided with an aging furnace circulating fan.
The two-way track and one side of ageing furnace unloading platform all are equipped with monitor operation panel, and the outside of solutionizing furnace loading platform is equipped with and shifts the material platform, shifts and still is equipped with between material platform and the rotatory lift material platform and beats the sign indicating number platform.
The bottoms of the solution furnace door mechanism and the aging furnace door mechanism are provided with pneumatic or electric devices.
The upper surfaces of the solution furnace group and the aging furnace group are provided with safety guardrails.
The upper parts of the solid solution furnace group and the aging furnace group are connected with a smoke exhaust pipeline, and a wet filter is arranged in the smoke exhaust pipeline.
The solid solution furnace group, the aging furnace group, the solid solution furnace door mechanism, the aging furnace door mechanism and the feeding and discharging table are in control connection with the electric control cabinet.
(3) Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model provides a material frame closed-loop running roller rod through type heat treatment production line, which can carry out solution treatment, quenching treatment and ageing treatment on material frame workpieces, and on the basis, the heat treatment mode of the material frame workpieces can be automatically selected through an electric control cabinet, for example, the ageing treatment process can be independently adopted, or the full-automatic process integrating solution treatment, quenching treatment and ageing treatment can be realized through the movement of a transfer trolley on a bidirectional track, and the like, and automatic fetching and automatic quenching and automatic cooling can be realized through a feeding and discharging table, a material frame lifting and transferring device, a quenching mechanism, a conveying roller and a furnace door mechanism, so that the automatic continuous production is realized, the operation is convenient, the production efficiency is high, a large number of transfer fields are not needed, the waste of occupied area is reduced, the use of a crane of a conveying device is reduced, the work load is greatly reduced, and the production energy consumption is greatly reduced.
2. The utility model provides a material frame closed loop running roller rod through type heat treatment production line, which is characterized in that a solid solution furnace door mechanism, an aging furnace door mechanism and an intermediate door mechanism are adopted, when the intermediate door mechanism senses that a material frame workpiece in a furnace runs in place, the intermediate door mechanism is opened, the material frame workpiece in the furnace runs to a discharge hole rapidly, the material frame workpiece runs to a discharge position, and the intermediate door is closed, so that the heat loss during the opening of a furnace door is greatly reduced, and meanwhile, the stability of the quality of the material frame workpiece in the furnace is ensured;
3. the utility model provides a material frame closed-loop running roller rod through type heat treatment production line, which is characterized in that a plurality of solid solution furnaces are arranged between a middle door mechanism and a quenching mechanism, and a plurality of ageing furnaces are arranged between the middle door mechanism and a cooling chamber, so that material frame workpieces are subjected to tempering heat treatment, and the time length of the material frame workpieces in the plurality of solid solution furnaces or the plurality of ageing furnaces is more than 6 hours, so that the strength and the toughness of the material frame workpieces are improved.
4. The utility model provides a material frame closed loop running roller rod passing type heat treatment production line, waste gas generated in a furnace is sent to a wet filter through a smoke exhaust pipeline and the wet filter, the waste gas is exchanged with a circulating water curtain in the wet filter, harmful substances in the waste gas are removed, and then the waste gas is discharged into the air, and the warm filter is beneficial to clean the air, protects the environment and has lower purchase cost and running cost.
Drawings
The utility model is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a schematic top view of the overall structure of the present utility model;
FIG. 2 is a schematic front view of the solution furnace stack of FIG. 1 according to the present utility model;
FIG. 3 is a schematic front view of the aging oven battery of FIG. 1 in accordance with the present utility model;
fig. 4 is a schematic front view of the smoke exhaust duct of the present utility model.
The marks in the drawings are: the equipment comprises a solution furnace group 1, an aging furnace group 2, a solution furnace door mechanism 3, an aging furnace door mechanism 4, a feeding and discharging table 5, a solution furnace feeding door 6, a solution furnace discharging door 7, a middle door mechanism 8, a quenching mechanism 9, an aging furnace feeding door 10, an aging furnace discharging door 11, a cooling chamber 12, a solution furnace feeding table 13, a solution furnace discharging table 14, an aging furnace feeding table 15, an aging furnace discharging table 16, a combustion system 17, a conveying roller 18, a bidirectional track 19, a transfer trolley 20, a rotary lifting table 21, a cantilever crane 22, a material frame lifting and transferring device 23, a solution furnace circulating fan 24, an aging furnace circulating fan 25, a monitor operating table 26, a transferring table 27, a coding and sweeping table 28, a safety barrier 29, a smoke exhaust pipeline 30, a wet filter 31 and a safety purse net 32.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
As shown in fig. 1 to 4, the present utility model provides a material frame closed loop running roller passing type heat treatment production line, comprising: the solid solution furnace group 1, the aging furnace group 2, the solid solution furnace door mechanism 3, the aging furnace door mechanism 4 and the feeding and discharging table 5, the solid solution furnace door mechanism 3 comprises a solid solution furnace feeding door 6 and a solid solution furnace discharging door 7, the solid solution furnace feeding door 6 and the solid solution furnace discharging door 7 are respectively arranged on two corresponding side surfaces of the solid solution furnace group 1, an intermediate door mechanism 8 is arranged on the inner wall of the solid solution furnace close to the solid solution furnace feeding door 6, a quenching mechanism 9 is arranged on the outer side of the solid solution furnace discharging door 7, the aging furnace door mechanism 4 comprises an aging furnace feeding door 10 and an aging furnace discharging door 11, the aging furnace feeding door 10 and the aging furnace discharging door 11 are respectively arranged on two corresponding side surfaces of the aging furnace group 2, the intermediate door mechanism 8 is arranged on the inner wall of the aging furnace close to the aging furnace feeding door 10, a cooling chamber 12 is arranged at one end of the aging furnace discharging door 11, the feeding and discharging table 5 comprises a solid solution furnace feeding table 13, a solid solution furnace discharging table 14, an ageing furnace feeding table 15 and an ageing furnace discharging table 16, the solid solution furnace feeding table 13 is arranged on the outer side of the solid solution furnace feeding door 6, the solid solution furnace discharging table 14 is arranged on the outer side of the quenching mechanism 8, the ageing furnace feeding table 15 is arranged on the outer side of the ageing furnace feeding door 10, the ageing furnace discharging table 16 is arranged on the outer side of the cooling chamber 12, combustion systems 17 are arranged above the inner parts of the solid solution furnace group 1 and the ageing furnace group 2, conveying rollers 18 are arranged below the inner parts of the solid solution furnace group 1 and the ageing furnace group 2 and below the feeding and discharging table 5 and the quenching mechanism 9, the solid solution furnace discharging table 14 is connected with the ageing furnace feeding table 15 through a bidirectional track 19, the bidirectional track 19 is provided with a transfer trolley 20, a rotary lifting table 21 is further arranged on the outer side of the ageing furnace discharging table 16, and a cantilever crane 22 is arranged above the rotary lifting table 21. Further, a frame lifting and transferring device 23 is arranged above the solution furnace feeding table 14, the solution furnace discharging table 15, the aging furnace feeding table 16 and the aging furnace discharging table 17.
Further, the solution furnace group 1 is formed by installing a plurality of solution furnaces in parallel, the aging furnace group 2 is formed by installing a plurality of aging furnaces in parallel, and the solution furnace and the aging furnace are both cylindrical, so that the condition that no dead angle is achieved due to air circulation in the front structure is changed, and the uniformity of temperature is improved.
Further, a safety seine 32 is provided at the periphery of the entire heat treatment line.
Further, a solid solution furnace circulating fan 24 is arranged on the inner wall above the solid solution furnace group 1, and an aging furnace circulating fan 25 is arranged on the inner wall above the aging furnace group 2.
Further, one side of the bidirectional track 19 and one side of the ageing furnace blanking table 16 are both provided with a monitor operation table 26, the outer side of the solid solution furnace feeding table 13 is provided with a transferring table 27, and a coding and code scanning table 28 is further arranged between the transferring table 27 and the rotary lifting table 21.
Further, the bottoms of the solution furnace door mechanism 3 and the aging furnace door mechanism 4 are provided with pneumatic or electric devices.
Further, safety guardrails 29 are arranged on the upper surfaces of the solution furnace group 1 and the aging furnace group 2.
Further, the upper parts of the solution furnace group 1 and the aging furnace group 2 are respectively connected with a smoke exhaust pipeline 30, and a wet filter 31 is arranged in the smoke exhaust pipeline.
Further, the solid solution furnace group 1, the aging furnace group 2, the solid solution furnace door mechanism 3, the aging furnace door mechanism 4 and the feeding and discharging table 5 are in control connection with the electric control cabinet.
The working principle of the utility model is as follows:
when the utility model is used, firstly, the electric control cabinet starts the material frame lifting transfer device 23, the material frame workpiece is transferred to the front of the material feeding door 6 of the solution furnace, then the material frame workpiece is automatically opened by sensing through the material feeding door 6 of the solution furnace, then the material frame workpiece is transferred to the first solution furnace of the solution furnace group 1 through the conveying roller 18, the material feeding door 6 of the solution furnace is automatically closed, after the heat treatment time of the material frame workpiece is reached, the intermediate door mechanism 8 is automatically opened by sensing after the heat treatment time of the material frame workpiece is reached, the material frame workpiece is transferred to the rest of the solution furnace body through the conveying roller 18, the material frame workpiece is automatically opened after a certain time, the material frame workpiece is transferred to the quenching mechanism 9 through the conveying roller 18, then the material frame workpiece is transferred to the first ageing furnace of the ageing furnace group 2 through the conveying roller 18 by moving on the transfer trolley 20 through the bidirectional track 19, then the material frame workpiece is transferred to the ageing furnace of the ageing furnace group 10 after a certain time, the intermediate door mechanism 8 is automatically opened by sensing, the material frame workpiece is transferred to the rest of the ageing furnace through the conveying roller 18, at least 6 of the rest of the ageing furnace body is transferred to the material frame workpiece is transferred to the quenching machine, the material frame workpiece is cooled by the material frame workpiece is transferred to the material frame workpiece through the quenching machine 21, and the material frame workpiece is transferred to the material frame workpiece is cooled by the material frame quenching machine 21, and the material frame workpiece is transferred to the material frame workpiece is transferred through the material frame and the material frame is cooled by the material transferring machine 21 and the material frame is transferred. The utility model has convenient operation and high production efficiency, does not need a large amount of transfer sites, reduces the waste of occupied area, thereby reducing the use of a crane of the conveying device, greatly reducing the workload and greatly reducing the production energy consumption.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A frame closed loop running roller passing heat treatment production line, comprising: the solid solution furnace group (1), the aging furnace group (2), the solid solution furnace door mechanism (3), the aging furnace door mechanism (4) and the feeding and discharging table (5), the solid solution furnace door mechanism (3) comprises a solid solution furnace feeding door (6) and a solid solution furnace discharging door (7), the solid solution furnace feeding door (6) and the solid solution furnace discharging door (7) are respectively arranged on two corresponding side surfaces of the solid solution furnace group (1), an intermediate door mechanism (8) is also arranged on the inner wall of the solid solution furnace close to the solid solution furnace feeding door (6), a quenching mechanism (9) is arranged on the outer side of the solid solution furnace discharging door (7), the ageing oven door mechanism (4) comprises an ageing oven feed door (10) and an ageing oven discharge door (11), the ageing oven feed door (10) and the ageing oven discharge door (11) are respectively arranged on two corresponding side surfaces of the ageing oven set (2), an intermediate door mechanism (8) is arranged on the inner wall of the ageing oven close to the ageing oven feed door (10), a cooling chamber (12) is arranged at one end of the ageing oven discharge door (11), the feeding and discharging table (5) comprises a solid solution oven feeding table (13), a solid solution oven discharging table (14), an ageing oven feeding table (15) and an ageing oven discharging table (16), a solid solution oven feeding table (13) is arranged on the outer side of the solid solution oven feed door (6), the quenching device is characterized in that a solid solution furnace blanking table (14) is arranged on the outer side of the quenching mechanism (9), an ageing furnace feeding table (15) is arranged on the outer side of the ageing furnace feeding door (10), an ageing furnace blanking table (16) is arranged on the outer side of the cooling chamber (12), a combustion system (17) is arranged above the inner side of the ageing furnace group (2), a conveying roller (18) is arranged below the inner side of the ageing furnace group (1) and the lower side of the feeding table (5) and the quenching mechanism (9), the solid solution furnace blanking table (14) is connected with the ageing furnace feeding table (15) through a bidirectional track (19), a transfer trolley (20) is arranged on the bidirectional track (19), a cantilever crane (22) is arranged above the rotary lifting table (21) on the outer side of the ageing furnace blanking table (16).
2. The frame closed loop running roller passing type heat treatment production line according to claim 1, wherein a frame lifting and transferring device (23) is arranged above the solid solution furnace feeding table (13), the solid solution furnace discharging table (14), the aging furnace feeding table (15) and the aging furnace discharging table (16).
3. The material frame closed loop running roller passing type heat treatment production line according to claim 2, wherein the solid solution furnace group (1) is formed by installing a plurality of solid solution furnaces in parallel, the aging furnace group (2) is formed by installing a plurality of aging furnaces in parallel, and the solid solution furnaces and the aging furnaces are cylindrical.
4. A frame closed loop running roller passing through heat treatment line according to claim 3, characterised in that a safety seine (32) is provided around the whole heat treatment line.
5. The material frame closed loop running roller passing type heat treatment production line according to claim 4 is characterized in that a solid solution furnace circulating fan (24) is arranged on the inner wall above the solid solution furnace group (1), and an aging furnace circulating fan (25) is arranged on the inner wall above the aging furnace group (2).
6. The frame closed loop running roller rod passing type heat treatment production line according to claim 5, wherein a monitor operation table (26) is arranged on one side of the bidirectional track (19) and one side of the ageing furnace blanking table (16), a transferring table (27) is arranged on the outer side of the solid solution furnace feeding table (13), and a coding and code scanning table (28) is further arranged between the transferring table (27) and the rotary lifting table (21).
7. The material frame closed loop running roller passing type heat treatment production line according to claim 6, wherein the bottoms of the solid solution furnace door mechanism (3) and the aging furnace door mechanism (4) are provided with pneumatic or electric devices.
8. The material frame closed loop running roller passing type heat treatment production line according to claim 7 is characterized in that safety guardrails (29) are arranged on the upper surfaces of the solid solution furnace group (1) and the aging furnace group (2).
9. The material frame closed loop running roller passing type heat treatment production line according to claim 7, wherein smoke exhaust pipelines (30) are connected above the solid solution furnace group (1) and the aging furnace group (2), and a wet filter (31) is arranged inside the smoke exhaust pipelines.
10. The material frame closed loop running roller rod passing type heat treatment production line according to claim 7 is characterized in that the solid solution furnace group (1), the aging furnace group (2), the solid solution furnace door mechanism (3), the aging furnace door mechanism (4) and the feeding and discharging table (5) are in control connection with an electric control cabinet.
CN202223173771.XU 2022-11-29 2022-11-29 Material frame closed-loop running roller rod passing type heat treatment production line Active CN219490087U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223173771.XU CN219490087U (en) 2022-11-29 2022-11-29 Material frame closed-loop running roller rod passing type heat treatment production line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223173771.XU CN219490087U (en) 2022-11-29 2022-11-29 Material frame closed-loop running roller rod passing type heat treatment production line

Publications (1)

Publication Number Publication Date
CN219490087U true CN219490087U (en) 2023-08-08

Family

ID=87479744

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223173771.XU Active CN219490087U (en) 2022-11-29 2022-11-29 Material frame closed-loop running roller rod passing type heat treatment production line

Country Status (1)

Country Link
CN (1) CN219490087U (en)

Similar Documents

Publication Publication Date Title
CN104355109B (en) Heating platen handling robot system
CN202039130U (en) Large multifunctional furnace production line
CN111717787B (en) Special hoisting equipment for finished nodular cast iron pipe
CN212025438U (en) Track accessory heating powder zinc impregnation production line
CN219490087U (en) Material frame closed-loop running roller rod passing type heat treatment production line
CN207259542U (en) A kind of natural gas support shaft type quenches normalizing production line
CN115505701B (en) Environment-friendly automatic heat treatment production line for accurate quenching of thin-wall long rod piece
CN210151197U (en) Hot galvanizing production line
CN202430277U (en) Automatic hot dip galvanizing production equipment for guardrail boards
CN205501364U (en) Box tempering furnace and tempering furnace conveying system
CN111979399A (en) Full-automatic rapid quenching forging wheel heat treatment furnace and heat treatment method thereof
CN217433038U (en) Clean casting system of ferroalloy
CN111349883A (en) Track accessory heating powder zinc impregnation production line
CN201735601U (en) Hot rolling aluminium sheet cooling and conveying device
CN104480292B (en) Cold rolling strap volume tunnel annealing furnace
CN202824659U (en) Hot- pressing sintering machine
CN206109546U (en) Push away set pressure device of quenching
CN111054450B (en) Calcining device and calcining method of SCR denitration catalyst
CN109055944A (en) Bevel gear is heat-treated double continuous carbonization, pressure is quenched production line and its production technology
CN213266626U (en) Full-automatic rapid quenching forging wheel heat treatment furnace
CN206008448U (en) A kind of denitration spray gun special with automatic extending-contracting apparatus
CN213327785U (en) High-efficient environmental protection stainless steel heat treatment equipment
CN210625322U (en) Trolley type resistance furnace
CN210261938U (en) Aluminum alloy solid solution air quenching device
CN217686646U (en) Novel closed type circulating cooling furnace

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant