CN209765351U - Constant temperature control equipment - Google Patents

Constant temperature control equipment Download PDF

Info

Publication number
CN209765351U
CN209765351U CN201920968458.4U CN201920968458U CN209765351U CN 209765351 U CN209765351 U CN 209765351U CN 201920968458 U CN201920968458 U CN 201920968458U CN 209765351 U CN209765351 U CN 209765351U
Authority
CN
China
Prior art keywords
electric heating
temperature
strip steel
temperature acquisition
split
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
CN201920968458.4U
Other languages
Chinese (zh)
Inventor
闫敏
沈胜节
余琼
陈鹏远
张骏
方锟
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.)
Magang Group Holding Co Ltd
Original Assignee
Magang (hefei) Plate 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 Magang (hefei) Plate Co Ltd filed Critical Magang (hefei) Plate Co Ltd
Priority to CN201920968458.4U priority Critical patent/CN209765351U/en
Application granted granted Critical
Publication of CN209765351U publication Critical patent/CN209765351U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Application Of Or Painting With Fluid Materials (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

The utility model discloses a thermostatic control equipment belongs to metallurgical coated sheet production technical field. It includes: the electric heating device comprises two split electric heating devices which are oppositely arranged, first electric heating units are arranged on the inner sides of the split electric heating devices, and a first channel for strip steel to pass through is arranged between the two split electric heating devices; the temperature adjusting device comprises nozzles which are sequentially arranged oppositely, the nozzles are communicated with the cooling fan, and a second channel for strip steel to pass through is arranged between the nozzles which are arranged oppositely; the temperature acquisition device comprises a first temperature acquisition unit and a second temperature acquisition unit, wherein the first temperature acquisition unit is used for acquiring the temperature in the first channel, and the second temperature acquisition unit is used for acquiring the temperature in the second channel; and the control system is used for controlling the first electric heating unit, the nozzle and the cooling fan according to the signal fed back by the temperature acquisition device. The utility model discloses can realize intensification concurrent heating, can cool down the heat dissipation again, be applicable to different specifications belted steel and spout the aluminium powder technology.

Description

constant temperature control equipment
Technical Field
The invention belongs to the technical field of metallurgical coated plate production, and particularly relates to constant temperature control equipment and a method for improving aluminum powder spraying effect in an aluminum-silicon household electrical appliance plate production process, in particular to a method for promoting aluminum powder absorption in the aluminum-silicon household electrical appliance plate production process so as to avoid forming a large amount of aluminum flowers with the crystal size of more than 3 mm.
Background
In the production process of the aluminum-silicon household electrical appliance plate, strip steel needs to be sequentially processed by a zinc pot, an air knife, a pre-cooling device, an aluminum powder spraying box and a cooling device to manufacture a coating plate, the production line of specific process equipment is only suitable for the strip steel with a narrow specification range, once the specification of the strip steel is adjusted, the surface temperature fluctuation of the strip steel is large due to the loss of environmental temperature and the difference of heat brought away by air knife operation, and the aluminum-silicon household electrical appliance plate produced by the production line is easy to generate aluminum flower due to the poor absorption effect of the strip steel on aluminum powder.
In order to improve the production efficiency and the board surface quality of the aluminum-silicon household electrical board, the above problems need to be solved urgently.
Disclosure of Invention
1. problems to be solved
aiming at the problem that the surface temperature of the strip steel fluctuates greatly when the strip steel with different specifications is sprayed with aluminum powder at present, the invention provides constant temperature control equipment which can realize temperature rise and heat supplement and temperature reduction and heat dissipation so as to realize that the temperature of the strip steel with different specifications can be adjusted to a target temperature range before the aluminum powder spraying treatment, and ensure the stable plate surface quality. In addition, the invention provides a method for improving the aluminum powder spraying effect in the production process of the aluminum-silicon household electrical board, which is based on the constant temperature control equipment provided by the invention, so as to ensure the absorption effect of the strip steel on the aluminum powder and avoid the large quality fluctuation of the surface of the sprayed board.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A thermostatic control device comprising:
The electric heating device comprises two split electric heating devices which are oppositely arranged, first electric heating units are respectively arranged on the inner sides of the split electric heating devices, and a first channel for strip steel to pass through is arranged between the two split electric heating devices;
the temperature adjusting device comprises nozzles which are arranged oppositely in sequence, the nozzles are communicated with the cooling fan, and a second channel for strip steel to pass through is arranged between the nozzles which are arranged oppositely;
The temperature acquisition device comprises a first temperature acquisition unit and a second temperature acquisition unit, wherein the first temperature acquisition unit is used for acquiring the temperature in the first channel, and the second temperature acquisition unit is used for acquiring the temperature in the second channel;
And the control system is used for controlling the first electric heating unit, the nozzle and the cooling fan according to the signal fed back by the temperature acquisition device.
preferably, the two oppositely arranged split electric heating devices can slide relatively.
Preferably, the split electric heating device comprises a first shell, wherein the first shell is filled with a heat insulation material, and a first radiation protection plate is arranged between the first shell and the first electric heating unit.
preferably, the first housing is slidably mounted on a support beam.
preferably, the side of the first housing facing the first channel is concave.
Preferably, the auxiliary heat supplementing device comprises a split auxiliary heat supplementing device arranged between adjacent nozzles, and the inner sides of the split auxiliary heat supplementing devices are provided with the second electric heating units.
Preferably, the split auxiliary heat supplementing device comprises a second shell, a heat preservation layer, a heat insulation plate and a second radiation protection plate, the heat preservation layer is filled in the second shell, the second radiation protection plate is arranged between the second shell and the second electric heating unit, and a heat insulation layer is arranged on the outer side of the second shell.
Preferably, the side of the second housing facing the second channel is concave.
Preferably, the second radiation protective plate is stainless steel, which is SUS310 or 309S.
in this scheme, first electric heating unit and second heating unit all adopt U type electric heating pipe.
The method for improving the aluminum powder spraying effect in the production process of the aluminum-silicon household appliance plate comprises the steps that the constant temperature control equipment is arranged at the aluminum powder spraying section after plating, the temperature acquisition device further comprises a third temperature acquisition unit which is used for acquiring the temperature of the surface of the strip steel at the outlet of the constant temperature control equipment, and the method comprises the following steps:
Step one, collecting the surface temperature of the strip steel positioned behind the air knife and in front of the aluminum powder spraying device;
Secondly, if the temperature of the surface of the strip steel positioned behind the air knife is less than 611 ℃, adjusting the distance between the split electric heating device and the strip steel, and adjusting the operating power of the first electric heating unit and the second electric heating unit based on a signal fed back by the temperature acquisition device so as to ensure that the temperature of the surface of the strip steel at the outlet of the constant temperature control equipment is 611-615 ℃;
If the temperature of the surface of the strip steel positioned behind the air knife is more than 615 ℃, the working power of the nozzle and the cooling fan is adjusted based on the signal fed back by the temperature acquisition device so as to ensure that the temperature of the surface of the strip steel at the outlet of the constant temperature control equipment is 611-615 ℃.
3. advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) The constant temperature control equipment adopted by the invention can be flexibly switched into a heating or cooling mode according to the requirements of the production process; when the heating is needed (the temperature of the strip steel is lower than the temperature needed by the process), the heating speed is high, and the electric energy can be quickly converted into heat energy; the heating is uniform, the covering parts of the first heating unit and the second heating unit can uniformly radiate heat, so that the strip steel is uniformly heated when passing through; the operating power is adjusted by the control system, so that the change of the rate requirements of the control system on the first heating unit and the second heating unit can be quickly responded, and the temperature of the strip steel is ensured to meet the process temperature requirement required by the aluminum powder spraying process; when cooling is needed (the temperature of the strip steel is higher than the temperature needed by the process), cooling air is sent out by the cooling fan and sent to the nozzle, and the nozzle sprays the cooling air to the strip steel to cool the strip steel, so that the temperature of the strip steel is ensured to meet the process temperature requirement needed by the aluminum powder spraying process; in addition, the device is compact, the floor area is small, the operation and the use are convenient, and the design and the installation can be fully carried out according to the existing space.
(2) Aiming at the problems that the temperature loss is generated after the strip steel passes through the air knife to control the thickness of a coating, and the surface temperature loss of the strip steel is caused by the cooling of the ambient temperature, so that the surface temperature fluctuation of the strip steel is large, and the absorption effect on aluminum powder is poor; the method for improving the aluminum-silicon household electrical appliance plate production process has the advantages that the surface temperature of the strip steel is controlled to be 613 +/-2 ℃ before aluminum powder spraying treatment by using the constant-temperature control equipment, the aluminum powder absorption effect of the plate surface is ensured, and the plate surface quality control of the aluminum-silicon household electrical appliance plates of various specifications can meet the standard requirement of small aluminum flowers or no aluminum flowers.
Drawings
FIG. 1 is a schematic view of a process flow for producing an aluminum-silicon household electrical panel;
FIG. 2 is a schematic view of a thermostat control device;
FIG. 3 is a schematic view of an electric heating apparatus;
Fig. 4 is a schematic structural diagram of a temperature adjusting device.
in the figure: 1. strip steel; 2. a tension roller chamber; 3. a zinc nose; 4. sinking the roller; 5. an air knife; 6. an electric heating device; 7. a temperature adjusting device; 8. an aluminum powder spraying device; 9. cooling the wind box; 10. fixing a cooling air box; 11. a split electric heating device; 12. supporting equipment; 13. a thermal insulation material; 14. a first electrical heating unit; 15. a first radiation protection plate; 16. a split auxiliary heat supplementing device; 17. a nozzle; 18. an insulating layer.
Detailed Description
The production process flow of the aluminum-silicon household electrical board of the company is as follows: as shown in FIG. 1, a strip steel 1 passes through a tension roll chamber 2, a zinc nose 3, a sink roll 4, an air knife 5, an electric heating device 6, a temperature adjusting device 7, an aluminum powder spraying device 8, a cooling air box 9 and a fixed cooling air box 10 in sequence. After long-term research and test on the process and control of the aluminum-silicon household electrical appliance board, the company finds that the process temperature of spraying the aluminum powder on the strip steel is controlled to be 611-615 ℃, and the effect of absorbing the aluminum powder by the liquid aluminum-silicon is better. On the galvanization line of the company, an aluminum powder spraying device for reducing aluminum flowers of aluminum-silicon household electrical appliances is already put into hot test and used, but the aluminum powder spraying device has the following defects because the process temperature of the aluminum powder spraying device needs to be controlled in a fixed range: the production line is only suitable for strip steel with a narrow specification range, once the specification of the strip steel is adjusted, the fluctuation of the surface temperature of the strip steel is large due to the difference of environmental temperature loss and heat brought away by air knife operation, aluminum flower is easily generated on the aluminum-silicon household electric plates produced by the production line due to the poor absorption effect of the strip steel on aluminum powder, for example, after the thickness of the strip steel with the thickness of 0.5mm or less is controlled by the air knife, the temperature of the strip steel is only about 590-605 ℃, the loss is 3-5 ℃ due to natural cooling from the air knife to an aluminum powder spraying device, and the temperature of the strip steel finally reaching the aluminum powder spraying device is only about 600 ℃; the temperature of the strip steel with the thickness of more than 0.5mm is higher than 613 ℃ after the thickness of the coating is controlled by the air knife, and the process temperature requirement of the aluminum powder absorption by the liquid aluminum silicon can not be met under the above conditions.
therefore, it is urgently needed to develop a set of constant temperature control equipment for the post-plating aluminum powder spraying section, which can not only lower the temperature of strip steel with different specifications, for example, strip steel with the thickness of more than 0.5mm to a constant temperature, but also can heat up and supplement the heat to the constant temperature for the strip steel with the thickness of 0.5mm and less, so as to ensure that the plate surface quality control of aluminum-silicon household electrical appliances with various specifications meets the requirement of the small aluminum flower or aluminum flower-free process control temperature, and ensure that the surface temperature of the strip steel reaching an aluminum powder spraying box is 611-615 ℃ so as to realize the quality control standard of the small aluminum flower or aluminum flower-free.
As shown in fig. 2, 3 and 4, a thermostat control device includes:
the electric heating device 6 comprises two split electric heating devices 11 which are oppositely arranged, first electric heating units 14 are respectively arranged on the inner sides of the split electric heating devices 11, and a first channel for the strip steel 1 to pass through is arranged between the two split electric heating devices 11;
The temperature adjusting device 7 comprises nozzles 17 which are arranged oppositely in sequence, the nozzles 17 are communicated with a cooling fan, and a second channel for the strip steel 1 to pass through is arranged between the nozzles 17 which are arranged oppositely;
The temperature acquisition device comprises a first temperature acquisition unit and a second temperature acquisition unit, wherein the first temperature acquisition unit is used for acquiring the temperature in the first channel, and the second temperature acquisition unit is used for acquiring the temperature in the second channel; in the embodiment, a third temperature acquisition unit is also arranged and used for acquiring the temperature of the surface of the strip steel at the outlet of the constant temperature control equipment, and in the specific implementation, the third temperature acquisition unit is arranged in front of the aluminum powder spraying device 8;
And the control system is used for controlling the first electric heating unit 14, the nozzle 17 and the cooling fan according to the signals fed back by the temperature acquisition device.
In the process production, the control system controls the operating power of the first electric heating unit 14, the nozzle 17 and the cooling fan based on the surface temperature of the strip steel 1 acquired in real time to ensure that the surface temperature of the strip steel 1 at the outlet of the constant temperature control equipment is constant within the process temperature range, so that the equipment is suitable for the process production of the strip steel with different specifications, namely, the surface temperature of the strip steel 1 is not greatly fluctuated due to the influence of air knife operation and environment temperature, and particularly, the problem that the surface temperature is greatly fluctuated when the strip steel with different specifications is produced by the same production line is solved.
In this embodiment, the electric heating device 6 is located below the temperature adjusting device 7, and the relative position of the two can be adjusted during the specific implementation. The first electric heating unit 14 adopts a U-shaped electric heating pipe or a resistance wire, the covering part of the first electric heating unit 14 uniformly radiates heat, the first electric heating unit 14 heats the surface of the strip steel, cooling air sent from the temperature adjusting device 7 is transmitted to the nozzle 17, the nozzle 17 sprays the cooling air onto the strip steel 1 to cool the strip steel 1, and the control system ensures that the temperature of the surface of the strip steel 1 meets the process temperature requirement required by the aluminum powder spraying process by adjusting the first heating unit 14, the nozzle 17 and the operation power of the cooling fan; in addition, the device is compact, the floor area is small, the operation and the use are convenient, and the design and the installation can be fully carried out according to the existing space.
preferably, the two oppositely arranged split electric heating devices 11 can slide relatively, so that the distance between the split electric heating devices 11 and the strip steel 1 can be adjusted to increase or decrease the heat radiation of the split electric heating devices 11 to the surface of the strip steel 1.
Preferably, the split electric heating device 11 comprises a first housing, the first housing is filled with an insulating material 13, a first radiation-proof plate 15 is arranged between the first housing and the first electric heating unit 14, so that the heat loss in the non-strip steel running direction can be avoided, and the outside of the equipment is protected by the first housing.
Preferably, the first housing is slidably mounted on a support beam. Specifically, the first housing may be mounted on an equipment support, the equipment support is slidably mounted on the beam, and the distance between the split electric heating device 11 and the strip steel is adjusted by sliding the equipment support relative to the beam. The equipment support may be in the form of a pulley or a slide rail that slides on the beam.
Preferably, one side of the first shell facing the first channel is concave, and the concave first shell is beneficial to heat collection and avoids heat loss in the non-strip steel running direction.
Preferably, the auxiliary heat supplementing device further comprises an auxiliary heat supplementing device, the auxiliary heat supplementing device comprises split auxiliary heat supplementing devices 16 arranged between adjacent nozzles 17, and second electric heating units are arranged on the inner sides of the split auxiliary heat supplementing devices 16 respectively. The second electric heating units arranged at intervals with the nozzles are beneficial to accurately controlling the surface temperature of the strip steel and ensuring the surface temperature of the strip steel to be uniform and consistent.
Preferably, the split auxiliary heat supplement device 16 comprises a second shell, a heat insulation layer, a heat insulation plate and a second radiation protection plate, the heat insulation layer is filled in the second shell, the second radiation protection plate is arranged between the second shell and the second electric heating unit, and a heat insulation layer 18 is arranged on the outer side of the second shell. In the embodiment, the second radiation-proof layer and the heat-insulating layer are also beneficial to avoiding the dissipation of heat in the non-strip steel running direction, the heat utilization rate is improved, the energy consumption is reduced, and the outside of the equipment is protected by the second shell.
Preferably, one side of the second shell facing the second channel is concave, and the concave second shell is beneficial to collecting heat and avoiding heat loss in the non-strip steel running direction.
Preferably, the first radiation protection plate 15 and the second radiation protection plate are made of stainless steel, the type of the stainless steel is SUS310 or 309S, the surface of the stainless steel is smooth, and the radiation effect of reflected heat is good.
Preferably, the nozzle 17 in this embodiment is a slot nozzle, and the cooling area of the nozzle 17 is more concentrated.
In this embodiment, K-type thermocouples are further disposed inside the split electric heating device 11 and the split auxiliary heat-compensating device 16, the K-type thermocouples are connected to the control system, the control system sets a temperature warning value, and once the temperature value fed back by the K-type thermocouples reaches the upper line, the control system automatically reduces the operating power of the first electric heating unit 14 and/or the second electric heating unit, so as to prevent the U-shaped electric heating pipe from overheating and causing equipment damage.
The method for improving the aluminum powder spraying effect in the production process of the aluminum-silicon household electrical appliance plate is characterized in that the constant temperature control equipment is arranged at the aluminum powder spraying section after plating, and the method comprises the following steps:
Step one, collecting the surface temperature of the strip steel 1 behind the air knife 5 and in front of the aluminum powder spraying device 8;
Secondly, if the temperature of the surface of the strip steel behind the air knife 5 is less than 611 ℃, adjusting the distance between the split electric heating device 11 and the strip steel 1, and adjusting the working power of the first electric heating unit 14 and the second electric heating unit based on the signal fed back by the temperature acquisition device to ensure that the temperature of the surface of the strip steel at the outlet of the constant temperature control equipment is 611-615 ℃;
if the temperature of the surface of the strip steel behind the air knife 5 is more than 615 ℃, the operating power of the nozzle 17 and the cooling fan is adjusted based on the signal fed back by the temperature acquisition device, so as to ensure that the temperature of the surface of the strip steel at the outlet of the constant temperature control equipment is 611-615 ℃, and the temperature range is favorable for preventing the aluminum liquid from crystallizing to form crystal nuclei and growing to generate aluminum flowers.
Aiming at the problems that the temperature loss is generated after the strip steel 1 passes through the air knife 5 to control the thickness of the coating, and the surface temperature of the strip steel 1 is lost due to the cooling of the ambient temperature, so that the surface temperature fluctuation of the strip steel 1 is large, and the absorption effect on aluminum powder is poor; in the method for improving the aluminum powder spraying effect in the aluminum-silicon household appliance board production process, the surface temperature of the strip steel is controlled within the range of 611-615 ℃ before aluminum powder spraying treatment by using constant temperature control equipment, so that the aluminum powder absorption effect of the board surface is ensured, and the board surface quality control of the aluminum-silicon household appliance boards of various specifications can meet the standard requirement of small aluminum flower (namely, the size of crystal with the size of 1mm or more is less than 3mm) or no aluminum flower (namely, the size of crystal is less than 1 mm).

Claims (9)

1. A thermostatic control device, comprising:
The electric heating device (6) comprises two split electric heating devices (11) which are oppositely arranged, first electric heating units (14) are respectively installed on the inner sides of the split electric heating devices (11), and a first channel for strip steel to pass through is formed between the two split electric heating devices (11);
The temperature adjusting device (7) comprises nozzles (17) which are arranged oppositely in sequence, the nozzles (17) are communicated with the cooling fan, and a second channel for the strip steel to pass through is arranged between the nozzles (17) which are arranged oppositely;
the temperature acquisition device comprises a first temperature acquisition unit and a second temperature acquisition unit, wherein the first temperature acquisition unit is used for acquiring the temperature in the first channel, and the second temperature acquisition unit is used for acquiring the temperature in the second channel;
And the control system is used for controlling the first electric heating unit (14), the nozzle (17) and the cooling fan according to the signals fed back by the temperature acquisition device.
2. Thermostat control device according to claim 1, characterized in that the two oppositely arranged separate electric heating means (11) are relatively slidable.
3. Thermostatic control device according to claim 1, characterized in that the split electric heating means (11) comprise a first housing filled with insulating material (13), between which and the first electric heating unit (14) a first radiation shield (15) is provided.
4. a thermostatic control device according to claim 3, wherein the first housing is slidably mounted on a support beam.
5. A thermostatic control device according to claim 3, wherein a side of the first housing facing the first passage is concave.
6. The thermostatic control device according to claim 1, further comprising an auxiliary heat-replenishing device comprising a split auxiliary heat-replenishing device (16) disposed between adjacent nozzles (17), wherein the second electric heating unit is mounted inside each split auxiliary heat-replenishing device (16).
7. the thermostatic control device according to claim 6, wherein the split auxiliary heat supplementing device (16) comprises a second shell, an insulating layer, a heat insulating plate and a second radiation-proof plate, the insulating layer is filled in the second shell, the second radiation-proof plate is arranged between the second shell and the second electric heating unit, and a heat insulating layer (18) is arranged outside the second shell.
8. Thermostatic control device of claim 7, wherein a side of the second housing facing the second passage is concave.
9. The thermostat control device according to claim 7, wherein the second radiation-proof plate is stainless steel of type SUS310 or 309S.
CN201920968458.4U 2019-06-24 2019-06-24 Constant temperature control equipment Active CN209765351U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920968458.4U CN209765351U (en) 2019-06-24 2019-06-24 Constant temperature control equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920968458.4U CN209765351U (en) 2019-06-24 2019-06-24 Constant temperature control equipment

Publications (1)

Publication Number Publication Date
CN209765351U true CN209765351U (en) 2019-12-10

Family

ID=68745924

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920968458.4U Active CN209765351U (en) 2019-06-24 2019-06-24 Constant temperature control equipment

Country Status (1)

Country Link
CN (1) CN209765351U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110174914A (en) * 2019-06-24 2019-08-27 马钢(合肥)板材有限责任公司 The method of aluminium-plated powder effect is improved in a kind of thermostatic control device and aluminium silicon household electrical appliances board production technology

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110174914A (en) * 2019-06-24 2019-08-27 马钢(合肥)板材有限责任公司 The method of aluminium-plated powder effect is improved in a kind of thermostatic control device and aluminium silicon household electrical appliances board production technology
CN110174914B (en) * 2019-06-24 2024-06-14 马钢(合肥)钢铁有限责任公司 Constant temperature control equipment and method for improving aluminum powder spraying effect in aluminum-silicon household appliance plate production process

Similar Documents

Publication Publication Date Title
CN110174914B (en) Constant temperature control equipment and method for improving aluminum powder spraying effect in aluminum-silicon household appliance plate production process
CN209765351U (en) Constant temperature control equipment
CN103273577A (en) Circulating cooling device of multi-wire cutting machine and control method of circulating cooling device
CN106591979B (en) A kind of anxiety heat-setting equipment
CN109594062B (en) Electrical heating spray plate with radio frequency introduction and temperature control system thereof
CN103160659B (en) Clamp type compact on-line quenching system
CN204714946U (en) The aluminum nitride crystal growth device that temperature field is controlled and technique
CN103639102B (en) A kind of high infrared curing device for brake block steel back and method
CN209537573U (en) A kind of copper product annealing device
CN102354336A (en) Method for estimation of radiation heat loss of polysilicon CVD (chemical vapor deposition) reactor
CN103160767B (en) Method for increasing temperature of semi-hard aluminum-zinc-plated strip steel in zinc pot
CN204392755U (en) The outer machine cabinet temperature control apparatus of a kind of base station user
CN110079647A (en) A kind of zincincation of thin gauge household electrical appliances DX51D galvanized sheet
CN201704377U (en) Gas circulatory injection cooling device
CN105714231B (en) The dynamic regulating method and system of continuous zinc/aluminium/aluminium zinc coating temperature of steel strips and melt temperature
CN212299996U (en) Temperature-adjustable cooling tower
CN203429219U (en) Annealing furnace tail part for aluminum-zinc plated steel plate
CN202808888U (en) Constant temperature quenching device
CN102477520A (en) Air quantity control device of aluminum material aging furnace
CN205398705U (en) Stability of extrusion aluminium alloy quenches on line is improved device
CN203382789U (en) Energy-saving mesh belt type air isothermal furnace
CN201890953U (en) Diffusion furnace device
CN221593181U (en) Device for solving uneven thermal stress distribution in preheating process of molten salt heat absorber
CN221094205U (en) Tinned steel plate annealing cooling device
CN104250675B (en) Energy-saving mesh belt type air constant-temperature oven

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220425

Address after: 230000 Hefei Demonstration Park of Circular Economy in Anhui Province

Patentee after: MAGANG Group HOLDING COMPANY L

Address before: 231600 East Jingliu road and South Weiwu Road, Hefei Circular Economy Demonstration Park, Anhui Province

Patentee before: MAGANG (HEFEI) SHEET Co.,Ltd.