CN218872238U - Fin electrothermal constant temperature insulation can - Google Patents
Fin electrothermal constant temperature insulation can Download PDFInfo
- Publication number
- CN218872238U CN218872238U CN202222849701.5U CN202222849701U CN218872238U CN 218872238 U CN218872238 U CN 218872238U CN 202222849701 U CN202222849701 U CN 202222849701U CN 218872238 U CN218872238 U CN 218872238U
- Authority
- CN
- China
- Prior art keywords
- temperature
- box
- constant temperature
- heating chamber
- electric heating
- 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
Links
Images
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Control Of Temperature (AREA)
Abstract
The utility model provides a fin electric heat formula constant temperature insulation can, the power distribution box comprises a box body, the front side of box is provided with the chamber door, the back lateral part is provided with the guard plate in the box, the guard plate separates for two cavities around with the box inner chamber, the cavity of front side is the constant temperature operation room, the cavity of rear side is the heating chamber, the bottom is provided with fin formula tubulose electric heating pipe in the heating chamber, the top is provided with circulation air supply system in the heating chamber, the last side of guard plate is equipped with the wind channel air outlet, the lower side of guard plate is equipped with the wind channel air intake, the interior top rear side and the interior bottom front side of constant temperature operation room all are provided with temperature sensor, be provided with the control by temperature unit in the box, the control by temperature unit respectively with fin formula tubulose electric heating pipe, circulation air supply system and temperature sensor signal connection. The utility model discloses can keep invariable temperature for a long time, and realize accurate accuse temperature, heat up fast, the thermal efficiency is high, reduce energy consumption.
Description
Technical Field
The utility model belongs to the technical field of electrical heating constant temperature heat preservation, concretely relates to fin electric heat formula constant temperature insulation can.
Background
Constant temperature incubator is used in laboratory, industry, medicine field etc. mostly, in the laboratory research process, in order to obtain very accurate experimental data, it is necessary to accurate control of temperature. In the industrial field, high temperature environments are used to test and determine the parameters and performance of electronic, electrical, and other products after temperature changes. In the medical field, the drug production, the hygiene and epidemic prevention process and the drug performance test have quite strict requirements on temperature. These all have extensive demands on constant temperature incubators.
Various constant-temperature heat preservation box equipment also exists in the market at present, the heating modes are various, some devices are heated by infrared rays, although the devices have the advantages of high energy conversion efficiency and no need of transfer media, the devices are limited by application scenes, cannot be applied in large space and have the defect of light pollution; some direct resistance wires are used for heating, and although the use structure is simple and the maintenance is also convenient, the temperature jump amplitude is large due to the characteristics of uncontrollable local temperature and uneven temperature control. The purpose of temperature control is achieved through an indirect heating mode of water bath heating, and although the temperature rise is gentle, the overall temperature control is balanced, the phenomenon of sudden cooling and sudden heating cannot occur, the structure is complex, and the hidden danger of water leakage is also caused.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a fin electric heating type constant temperature incubator which can keep constant temperature for a long time, realize accurate temperature control, fast temperature rise, high thermal efficiency and energy consumption reduction.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a fin electric heat formula constant temperature insulation can, the power distribution box comprises a box body, the front side of box is provided with the chamber door, the back lateral part is provided with the guard plate parallel with the chamber door in the box, the guard plate is separated the box inner chamber front and back for two cavities, the cavity of front side is the constant temperature operation room, the cavity of rear side is the heating chamber, the bottom is provided with fin formula tubulose electric heating pipe in the heating chamber, the top is provided with circulation air supply system in the heating chamber, the last side of guard plate is equipped with the wind channel air outlet of intercommunication heating chamber and constant temperature operation room, the lower side of guard plate is equipped with the wind channel air intake of intercommunication heating chamber and constant temperature operation room, circulation air supply system work makes the inside air current of heating chamber discharge to the constant temperature operation room through the wind channel air outlet, the inside air current rethread wind channel air intake of constant temperature operation room gets into the heating chamber simultaneously, fin formula tubulose electric heating pipe is worked and is heated the inside top rear side and the interior bottom front side of constant temperature operation room and is provided with temperature sensor, be provided with the temperature control unit in the box, be provided with fin formula tubulose electric heating pipe respectively in the box, circulation air supply system and temperature sensor signal connection.
The box body, the box door and the protection plate are all made of stainless steel materials, the box body and the box door are all provided with interlayer structures, and heat insulation materials are filled in the interlayer structures of the box body and the box door.
The circulation air supply system includes the high-temperature resistant long-axis motor of a plurality of, the interval is vertical to be installed at the top rear side portion of box about each high-temperature resistant long-axis motor, the vertical roof that passes the box downwards of the main shaft of each high-temperature resistant long-axis motor stretches into the heating chamber in the lateral part, the equal fixed mounting of main shaft lower extreme of each high-temperature resistant long-axis motor has the vortex wind wheel that is located the heating chamber upper portion and corresponds around the wind channel air outlet, the wind channel guard shield is all installed in the outside of each vortex wind wheel, the front side and the downside of wind channel guard shield are all uncovered.
A gap is formed between the upper side edge of the protection plate and the inner top of the box body to form the air duct air outlet, and a gap is formed between the lower side edge of the protection plate and the inner top of the box body to form the air duct air inlet.
The fin type tubular electric heating pipes are arranged in a plurality at left and right intervals.
The top four corners department of box all fixedly is equipped with rings.
Compared with the prior art, the utility model has substantive characteristics and progress, specifically speaking, the utility model discloses choose fin formula tubulose electric heating pipe for use specially as heating components and parts, have fast, the thermal efficiency of intensification, advantages such as long service life. The finned tubular electric heating tube is formed by winding finned radiating fins on the outer surface of the electric heating tube, the radiating area is increased by 2.5-4 times compared with a common round electric heating tube, and meanwhile, the length of an electric heating device can be reduced, so that the heat loss of the body is small. In the limited space of the heating chamber, the total power of 2 to 3 times of the capacity of the super-common round electric heating tube can be accommodated, the volume of the heating device is greatly reduced, and the user cost is saved.
The box body and the box door are made of stainless steel materials, the stainless steel materials are compact in structure and good in performance, and not only have good processability, but also have stable corrosion resistance and aging resistance, so that firmness and durability of products can be guaranteed, and good appearance can be kept.
The function of guard plate prevents that the radiant energy that fin formula tubulose electric heating pipe working process produced from directly radiating to the constant temperature control chamber, avoids causing local high temperature, influences holistic temperature regulation stability.
When the utility model works, the temperature needed is set by the temperature control unit, each high temperature resistant long shaft motor is started in a linkage way, the main shaft of each high temperature resistant long shaft motor drives the corresponding vortex wind wheel to rotate, the vortex wind wheel works on the air in the box body in the rotating process, the air in the box body flows according to a specific flow direction, thereby forming an air circuit loop, the air flow can pass through the fin type tubular electric heating pipe in the gas flowing process, the air flow conducts heat with the fin type tubular electric heating pipe in work, in addition, the gas flows, and forms heat convection, thereby completing the whole heating and temperature rising process, the temperature adjusting range is from room temperature to the highest 220 ℃, the rear side of the inner top and the front side of the inner bottom of the constant temperature operation room are both provided with temperature sensors, the temperature sensors monitor the temperature in the constant temperature operation room in real time and transmit the temperature to the temperature control unit, the temperature control unit receives the temperature signal sensed by the temperature sensors, the temperature signals are compared with the set temperature, the temperature control unit controls the working of the fin type tubular electric heating pipe in a PID control mode, the working temperature of the fin type tubular electric heating pipe can be increased or reduced, the rotating speed of each high temperature resistant long shaft motor can be controlled quickly, the interlocking control unit can be reduced, the rotating speed of each high temperature resistant long shaft motor in the early stage when the interlocking control motor is controlled, the interlocking process, the constant rotating speed of each vortex wind wheel is kept, after a period of time of stabilization, the rotating speed of each high-temperature-resistant long-axis motor is reduced, so that resources are saved, energy consumption is reduced, in order to guarantee the constant and stable temperature of the whole system, the high-temperature-resistant long-axis motors continuously work in the whole temperature control process, the rotating speed of each high-temperature-resistant long-axis motor is controlled, the rotating speed of each vortex wind wheel is controlled, the accurate control of the temperature is realized, and the temperature control precision is enabled to be within the range of 1 degree.
High-temperature resistant long-axis motor sets up a plurality of, can guarantee the stable flow of the interior air current of box, on the one hand, can increase the gas flow speed, improve the temperature rise effect, on the other hand, can also improve entire system's reliability, when high-temperature resistant long-axis motor was out of work because of various reasons stall all the way, the high-temperature resistant long-axis motor work of other ways in addition, the stable flow of air current in the drive box, avoid fin formula tubulose electric heating pipe empty burning to cause the unnecessary loss, and each high-temperature resistant long-axis motor installs outside the box, avoid each long-axis motor to work in high temperature environment for a long time, improve the operational environment situation of high-temperature resistant long-axis motor, reduce the fault rate of high-temperature resistant long-axis motor, high-temperature resistant long-axis motor direct drive vortex wind wheel simultaneously, transmission efficiency is improved, reduce the energy loss of transmission process.
The air duct shield is provided with a stable air flow circulation channel, so that air flows along one direction more easily, and unnecessary loss caused by air resistance due to disordered air flow is avoided.
The temperature sensor can accurately monitor the temperature inside the box body, the temperature control unit can realize feedback control on the temperature, when the temperature inside the box body is low, the temperature control unit starts the corresponding fin type tubular electric heating pipe to heat or increases the heating speed of the corresponding fin type tubular electric heating pipe, and when the temperature is high, the temperature control unit closes the corresponding fin type tubular electric heating pipe or reduces the heating speed of the corresponding fin type tubular electric heating pipe.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a schematic view of the gas flow of the present invention.
Fig. 4 is a schematic diagram of signal connection between the components of the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
As shown in fig. 1-4, a fin electrothermal constant temperature insulation box comprises a box body 1, a box door 2 is arranged on the front side of the box body 1, a protection plate 3 parallel to the box door 2 is arranged on the rear side portion in the box body 1, the protection plate 3 divides an inner cavity of the box body 1 into two chambers, the chamber on the front side is a constant temperature operation chamber 4, the chamber on the rear side is a heating chamber 5, a fin tubular electric heating pipe 6 is arranged at the bottom in the heating chamber 5, a circulating air supply system is arranged on the top in the heating chamber 5, an air duct air outlet 7 communicating the heating chamber 5 with the constant temperature operation chamber 4 is arranged on the upper side portion of the protection plate 3, an air duct air inlet 8 communicating the heating chamber 5 with the constant temperature operation chamber 4 is arranged on the lower side portion of the protection plate 3, the circulating air supply system works to discharge air flow in the heating chamber 5 into the constant temperature operation chamber 4 through the air duct air outlet 7, meanwhile, the air flow in the constant temperature operation chamber 4 enters the heating chamber 5 through the air duct air inlet 8, the fin tubular electric heating pipe 6 works to heat air flow in the heating chamber 5, temperature sensor 9 are arranged on the rear side of the inner top portion of the constant temperature operation chamber 4 and on the front side, a fin tubular electric heating pipe 6, a temperature control unit 10 is respectively connected with the fin tubular electric heating pipe 6, and a circulating air supply system 9.
The box body 1, the box door 2 and the protection plate 3 are all made of stainless steel materials, the box body 1 and the box door 2 are all provided with an interlayer structure, and heat insulation materials 11 are filled in the interlayer structures of the box body 1 and the box door 2.
The circulation air supply system includes that a plurality of is high temperature resistant long-axis motor 12, the vertical lateral part of installing at the top back of box 1 in the interval about each high temperature resistant long-axis motor 12, the vertical roof that passes box 1 downwards of main shaft of each high temperature resistant long-axis motor 12 stretches into the lateral part in heating chamber 5, the equal fixed mounting of main shaft lower extreme of each high temperature resistant long-axis motor 12 has the vortex wind wheel 13 that is located the interior lateral part of heating chamber 5 and corresponds around 7 with the wind channel air outlet, wind channel guard shield 14 is all installed in the outside of each vortex wind wheel 13, the front side and the downside of wind channel guard shield 14 are all uncovered.
A gap is formed between the upper side edge of the protection plate 3 and the inner top of the box body 1 to form an air duct air outlet 7, and a gap is formed between the lower side edge of the protection plate 3 and the inner top of the box body 1 to form an air duct air inlet 8.
The fin type tubular electric heating pipes 6 are arranged in a plurality at intervals from left to right.
The four corners at the top of the box body 1 are all fixedly provided with hanging rings 15. The lifting ring 15 is convenient for lifting the box body 1.
The finned tubular electric heating tube 6, the temperature sensor 9, the temperature control unit 10, the high-temperature-resistant long-axis motor 12 and the vortex wind wheel 13 are all conventional technologies, and specific construction and working principles are not described in detail.
The direction of the arrows in fig. 3 is the gas flow direction.
The utility model discloses select fin formula tubulose electric heating pipe 6 specially for use as heating components and parts, have advantages such as the intensification is fast, the thermal efficiency is high, long service life. The finned tubular electric heating tube 6 is formed by winding finned radiating fins on the outer surface of the electric heating tube, the radiating area is increased by 2.5-4 times compared with a common round electric heating tube, and meanwhile, the length of an electric heating device can be reduced, so that the heat loss of the body is small. In the limited space of the heating chamber 5, the total power of 2-3 times of the capacity of the super-common round electric heating tube can be accommodated, the volume of the heating device is greatly reduced, and the user cost is saved.
The box body 1 and the box door 2 are both made of stainless steel materials, the stainless steel materials are compact in structure and good in performance, and not only have good machinability, but also have stable corrosion resistance and aging resistance, so that firmness and durability of products can be guaranteed, and good appearance can be kept.
The protection plate 3 is used for preventing the radiant energy generated in the working process of the finned tubular electric heating pipe 6 from being directly radiated to the constant-temperature operating chamber 4, and avoiding causing the local overhigh temperature and influencing the overall temperature regulation stability.
The utility model is operated, the temperature control unit 10 is used for setting the required temperature, each high-temperature resistant long-axis motor 12 is started in a linkage way, the main shaft of each high-temperature resistant long-axis motor 12 drives the corresponding vortex wind wheel 13 to rotate, the vortex wind wheel 13 works on the air in the box body 1 in the rotating process, so that the air in the box body 1 flows according to the specific flow direction, a gas circuit loop is formed, the air flow can pass through the fin type tubular electric heating pipe 6 in the gas flowing process, the air flow conducts heat with the fin type tubular electric heating pipe 6 in the work, in addition, the gas flows to form heat convection, thereby the whole heating and warming process is completed, the temperature adjusting range is from room temperature to 220 ℃ maximum, the rear side of the inner top and the front side of the inner bottom of the constant-temperature operating room 4 are both provided with the temperature sensors 9, the temperature sensors 9 monitor the temperature in the constant-temperature operating room 4 in real time and transmit the temperature to the temperature control unit 10, the temperature control unit 10 receives the temperature signal sensed by the temperature sensor 9, compares the temperature signal with the set temperature, the temperature control unit 10 controls the operation of the finned tubular electric heating tube 6 in a PID control mode to increase or decrease the heating speed of the finned tubular electric heating tube 6, thereby preventing the temperature rise from being too high or not reaching the required temperature due to heat transfer delay, realizing the operation control of the finned tubular electric heating tube 6, simultaneously controlling the rotating speed of each high-temperature-resistant long-shaft motor 12 in an interlocking manner, further controlling the rotating speed of each vortex wind wheel 13, increasing the rotating speed of each high-temperature-resistant long-shaft motor 12 or enabling each high-temperature-resistant long-shaft motor 12 to operate in the early temperature heating process, realizing the rapid equalization of the internal temperature of the box body 1, and reducing the heating speed of the corresponding finned tubular electric heating tube 6 or closing the corresponding finned tubular electric heating tube by the temperature control unit 10 when the temperature in the box body 1 reaches the set temperature 6, keep each vortex wind wheel 13's rotational speed invariant simultaneously, after a period of time is stable, reduce each high temperature resistant long-axis motor 12's rotational speed, thereby save the resource, reduce energy consumption, in order to guarantee the invariant and steady of entire system temperature, at whole accuse temperature in-process, high temperature resistant long-axis motor 12 lasts the work, rotational speed through controlling each high temperature resistant long-axis motor 12, and then the rotational speed of controlling each vortex wind wheel 13, realize the accurate control of temperature, make temperature control's precision within 1 degree scope.
The high-temperature-resistant long-shaft motor 12 is provided with a plurality of motors, the stable flow of the air flow in the box body 1 can be ensured, on one hand, the gas flow speed can be increased, the temperature rise effect is improved, on the other hand, the reliability of the whole system can be improved, when one path of high-temperature-resistant long-shaft motor 12 stops working due to various reasons, the high-temperature-resistant long-shaft motors 12 on other paths work, the air flow in the box body 1 is driven to stably flow, unnecessary loss caused by empty burning of the fin-type tubular electric heating pipe 6 is avoided, each long-shaft motor 12 is installed outside the box body 1, long-temperature-resistant long-shaft motor 12 is prevented from working in a high-temperature environment for a long time, the working environment condition of the high-temperature-resistant long-shaft motor 12 is improved, the fault rate of the high-temperature-resistant long-shaft motor 12 is reduced, meanwhile, the high-temperature-resistant long-shaft motor 12 directly drives the vortex wind wheel 13, the transmission efficiency is improved, and the energy loss in the transmission process is reduced.
The air duct shield 14 is provided with a stable air flow passage, so that air flow can flow along one direction more easily, and unnecessary loss caused by wind resistance due to disordered flow of air flow is avoided.
The temperature sensor 9 can accurately monitor the temperature inside the box body 1, the temperature control unit 10 can realize feedback control of the temperature, when the temperature inside the box body 1 is low, the temperature control unit 10 starts the corresponding fin-type tubular electric heating tube 6 to heat or increases the heating speed of the corresponding fin-type tubular electric heating tube 6, and when the temperature is high, the temperature control unit 10 closes the corresponding fin-type tubular electric heating tube 6 or reduces the heating speed of the corresponding fin-type tubular electric heating tube 6.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the above embodiments are only used for illustration and not for limitation of the technical solutions of the present invention; the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (6)
1. The utility model provides a fin electric heating formula constant temperature insulation can which characterized in that: the box comprises a box body, the front side of box is provided with the chamber door, the inside back lateral part of box is provided with the guard plate parallel with the chamber door, the guard plate is separated for two cavities around with the box inner chamber, the cavity of front side is the constant temperature operation room, the cavity of rear side is the heating chamber, the bottom is provided with fin formula tubulose electric heating pipe in the heating chamber, the top is provided with circulation air supply system in the heating chamber, the last side of guard plate is equipped with the wind channel air outlet of intercommunication heating chamber and constant temperature operation room, the lower side of guard plate is equipped with the wind channel air intake of intercommunication heating chamber and constant temperature operation room, circulation air supply system work makes the inside air current of heating chamber discharge to the constant temperature operation room through the wind channel air outlet, the inside air current rethread of constant temperature operation room gets into in the heating chamber simultaneously, fin formula tubulose electric heating pipe work heats the inside air current of heating chamber, the interior top rear side and interior bottom front side of constant temperature operation room all are provided with temperature sensor, be provided with the temperature control unit in the box, temperature control unit respectively with fin formula tubulose electric heating pipe, circulation air supply system and temperature sensor signal connection.
2. The finned electrothermal constant temperature incubator of claim 1, wherein: the box body, the box door and the protection plate are all made of stainless steel materials, the box body and the box door are all provided with interlayer structures, and heat insulation materials are filled in the interlayer structures of the box body and the box door.
3. The finned electrothermal constant temperature incubator according to claim 1 or 2, wherein: the circulation air supply system includes the high-temperature resistant long-axis motor of a plurality of, the interval is vertical to be installed at the top rear side portion of box about each high-temperature resistant long-axis motor, the vertical roof that passes the box downwards of the main shaft of each high-temperature resistant long-axis motor stretches into the heating chamber in the lateral part, the equal fixed mounting of main shaft lower extreme of each high-temperature resistant long-axis motor has the vortex wind wheel that is located the heating chamber upper portion and corresponds around the wind channel air outlet, the wind channel guard shield is all installed in the outside of each vortex wind wheel, the front side and the downside of wind channel guard shield are all uncovered.
4. The finned electrothermal constant-temperature thermal insulation box according to claim 1 or 2, characterized in that: the upper side of the protection plate and the inner top of the box body are provided with a gap to form the air outlet of the air channel, and the lower side of the protection plate and the inner top of the box body are provided with a gap to form the air inlet of the air channel.
5. The finned electrothermal constant-temperature thermal insulation box according to claim 1 or 2, characterized in that: the fin type tubular electric heating pipes are arranged in a left-right interval manner.
6. The finned electrothermal constant temperature incubator according to claim 1 or 2, the method is characterized in that: the top four corners department of box all fixedly is equipped with rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222849701.5U CN218872238U (en) | 2022-10-28 | 2022-10-28 | Fin electrothermal constant temperature insulation can |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222849701.5U CN218872238U (en) | 2022-10-28 | 2022-10-28 | Fin electrothermal constant temperature insulation can |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218872238U true CN218872238U (en) | 2023-04-18 |
Family
ID=85978422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222849701.5U Active CN218872238U (en) | 2022-10-28 | 2022-10-28 | Fin electrothermal constant temperature insulation can |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218872238U (en) |
-
2022
- 2022-10-28 CN CN202222849701.5U patent/CN218872238U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105919448A (en) | Air fryer with external cold air circulation | |
| CN109756058A (en) | A kind of integrated electric control system | |
| CN207688625U (en) | A kind of vertical quartz stove | |
| CN218872238U (en) | Fin electrothermal constant temperature insulation can | |
| CN206044408U (en) | A kind of air fryer of outer cold wind circulation | |
| CN106766259A (en) | A kind of adjustable solar heat collector of temperature | |
| CN116608588A (en) | Hot-blast stove capable of improving temperature uniformity and used for circulating heat supply | |
| CN110403488A (en) | A kind of air fryer | |
| CN109579546A (en) | A kind of twin-stage cooling furnace | |
| CN109506285A (en) | A kind of temperature damper and the heat-storage electric heater comprising the damper | |
| CN219460866U (en) | Steaming and baking box | |
| CN209926751U (en) | Heated air circulation oven | |
| CN203653633U (en) | Vacuum furnace | |
| CN208658982U (en) | Circulating-heating stove and Portable circulation heat stove | |
| CN206828576U (en) | Annealing furnace swirl injection hot air circulation structure | |
| CN206094920U (en) | A perpendicular circulating device of air for box resistance furnace | |
| CN206600934U (en) | A kind of adjustable solar heat collector of temperature | |
| CN202287899U (en) | Hot air heating bread machine | |
| CN109764535A (en) | A kind of natural recirculating type variable-frequency electromagnetic heater | |
| CN110454857A (en) | A kind of heating terminating machine | |
| CN109506256A (en) | A kind of air hot-fluid heating-range | |
| CN218295936U (en) | Intelligent heat supply control device | |
| CN213020911U (en) | Vertical curing oven | |
| CN220859344U (en) | Baking cage device with heat preservation function | |
| CN103740909A (en) | Monitoring and operating three-chamber vacuum furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |