CN113294953A - Laboratory low temperature cabinet of drawing materials - Google Patents
Laboratory low temperature cabinet of drawing materials Download PDFInfo
- Publication number
- CN113294953A CN113294953A CN202110655003.9A CN202110655003A CN113294953A CN 113294953 A CN113294953 A CN 113294953A CN 202110655003 A CN202110655003 A CN 202110655003A CN 113294953 A CN113294953 A CN 113294953A
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- panel
- cabinet body
- top cover
- cabinet
- material taking
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention relates to the field of experimental equipment, and particularly discloses laboratory low-temperature material taking equipment, which comprises a cabinet body and a liquid nitrogen vaporization device; a material taking platform, a refrigeration assembly and a temperature adjusting assembly are arranged at the bottom of the cabinet body; the front of the cabinet body is provided with a control assembly, and the top of the cabinet body is provided with a functional assembly for lighting, ultraviolet disinfection and shooting. And the side surface of the bottom of the cabinet body is provided with an electric plug and a hole site connected with a liquid nitrogen vaporizing device. The control assembly is electrically connected with the temperature adjusting assembly and the functional assembly respectively. The liquid nitrogen vaporization device comprises a cover and a tank body, wherein a conduit is arranged on the cover and is connected with the hole site; the invention takes liquid nitrogen as a refrigeration source, and leads the vaporized liquid nitrogen to the material taking platform to cool the material taking platform, thereby achieving the purpose of the same effect as a cold chamber.
Description
Technical Field
The invention relates to the field of experimental equipment, in particular to a laboratory low-temperature material taking cabinet.
Background
At present, when medical examination and sampling are carried out, the accuracy of an experimental result is influenced by a material taking mode, a material taking speed, the environment temperature and the like. When the sample volume that needs to draw materials is bigger, the partial shipment is more, needs to carry out loaded down with trivial details operation, required material drawing time can be longer. The material taking is generally carried out in a cold chamber, but factors such as high manufacturing cost, high use cost, fixed position and the like of the cold chamber cause a plurality of conditions of inconvenient use, and the existing material taking platform has no refrigeration function, so that the degradation of a sample is easily caused, and the sampling is inconvenient.
Therefore, a low-temperature material-taking device which is low in cost, convenient to move and convenient to use is needed urgently.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a laboratory low-temperature material taking cabinet, which enables a material taking table to be cooled, thereby achieving the same effect as a cold room.
In order to achieve the purpose, the invention adopts the following technical scheme:
a laboratory low-temperature material-taking cabinet comprises a cabinet body and a liquid nitrogen vaporization device; the low-temperature material taking cabinet comprises a cabinet body and a liquid nitrogen vaporization device; the cabinet body comprises a bottom material taking platform, a hollow support pipe, a front panel, a rear panel, a left side plate, a right side plate and a top cover; the hollow support pipe is arranged at the four corners of the bottom material taking platform; the front panel, the rear panel, the left side plate and the right side plate are arranged on the upper surface of the bottom material taking platform and are respectively connected with the hollow support pipe to form a surrounding structure; the top cover is arranged at the top of the cabinet body and is connected with the hollow support pipe, the front panel, the rear panel, the left side plate and the right side plate; a refrigerating pipe is laid in the bottom material taking platform, the air inlet end of the refrigerating pipe penetrates through the right side of the bottom material taking platform, and the air outlet end of the refrigerating pipe is connected with the hollow support pipe respectively; the hollow support pipe is close to the end part of the top cover, and a plurality of exhaust holes are formed in the direction towards the inside of the cabinet; the laying mode of the refrigeration pipe in the bottom material taking platform is as follows: a clip or snake shape.
Furthermore, the bottom material taking platform also comprises a temperature sensor and a micro air pump; the miniature air pump is arranged on the upper surface of the bottom material taking platform, the input end of the miniature air pump faces the interior of the cabinet body, and the output end of the miniature air pump penetrates through the right side plate; the cabinet body is also internally provided with a temperature sensor for measuring temperature.
Further, the liquid nitrogen vaporization device comprises a tank body, a liquid nitrogen tank top cover, a partition plate, an air inlet pipe and an air outlet pipe;
the baffle plate is arranged at the middle lower part in the tank body, and a plurality of through holes are arranged on the surface of the baffle plate; one end of the air inlet pipe is connected with the output end of the micro air pump, and the other end of the air inlet pipe penetrates through the top cover and the partition plate of the liquid nitrogen tank and is close to the bottom of the tank body; one end of the air outlet pipe is connected with the air inlet end of the refrigerating pipe, and the other end of the air outlet pipe penetrates through the top cover of the liquid nitrogen tank and is close to the lower surface of the top cover of the liquid nitrogen tank; the air inlet pipe penetrates through the partition plate and then expands in a conical shape.
Furthermore, the front panel and the rear panel of the cabinet body are both composed of an upper panel and a lower panel, and the upper panel is fixedly connected with the hollow support pipe and the top cover; the lower panel is a movable plate and is arranged on the outer side of the upper panel; the upper panel is provided with fixing through holes at the left and right positions close to the two corners at the lower end;
further, the outer wall of the hollow support pipe is provided with an axial sliding chute for mounting the lower panel; the lower panel slides until the lowest end of the lower panel is contacted with the upper surface of the bottom material taking platform, and the upper end of the lower panel is higher than the fixing through hole of the upper panel; when the lower panel slides to the uppermost end and contacts with the lower surface of the top cover, the lower end of the lower panel is higher than the fixing through hole of the upper panel.
Furthermore, the cabinet body is also internally provided with a lighting device for lighting, an ultraviolet lamp for sterilization, a timer for timing, a camera for shooting and a data storage device for storing data.
Further, the cabinet body is also provided with a touch display screen, and the touch display screen is arranged on the surfaces of the front panel, the rear panel, the left side plate, the right side plate or the top cover of the cabinet body; the cabinet body is also provided with a data transmission device and a data interface for transmitting data; the cabinet body is also internally provided with a logic main board which is arranged on the surfaces of the front panel, the rear panel, the left side plate, the right side plate or the top cover of the cabinet body; the logic main board is respectively electrically connected with the touch display screen, the temperature sensor, the temperature adjusting controller, the miniature air pump, the illuminating device, the ultraviolet lamp, the timer, the camera, the data transmission device and the data interface. The effects of setting and controlling the light intensity adjustment of the lighting device, the automatic irradiation time of the ultraviolet lamp and the shooting and data storage of the camera are realized by controlling the touch display screen. The touch display screen can also directly carry out combined control on the temperature adjusting assembly and the functional assembly, real-time monitoring and control of temperature are achieved, and the effect of intelligent control experiments is achieved.
The invention has the beneficial effects that:
1. the invention has the characteristics of low cost, convenient movement and convenient use, and cools the material taking table through vaporized liquid nitrogen to achieve the same effect as a cold chamber.
2. The intelligent control experiment system performs combined control through the touch screen degree adjusting assembly and the functional assembly, and achieves the effect of an intelligent control experiment; the effects of monitoring and controlling the temperature in real time, setting and controlling the adjustment of the light intensity of the LED lamp, automatically irradiating time of the ultraviolet lamp and shooting and storing data by the camera are achieved.
Drawings
FIG. 1 is a schematic view of the material drawing cabinet according to the present invention;
FIG. 2 is an enlarged view of the hollow stent tube of the present invention;
FIG. 3 is a top perspective view of the dispensing cabinet of the present invention;
FIG. 4 is a perspective view of the dispensing cabinet of the present invention;
FIG. 5 is a cross-sectional view of a liquid nitrogen vaporization apparatus according to the present invention;
FIG. 6 is a schematic view of a liquid nitrogen vaporization apparatus according to the present invention;
FIG. 7 is an enlarged view of the upper and lower panels of the present invention;
in the figure: a cabinet body 1; a liquid nitrogen vaporization device 2; a bottom material taking platform 3; a hollow stent tube 4; front and rear panels 5; left and right side plates 6; a top cover 7; a refrigerant pipe 8; an exhaust hole 9; a temperature sensor 10; a micro air pump 11; a tank 12; a liquid nitrogen tank top cover 13; a partition 14; an intake pipe 15; an outlet pipe 16; an upper panel 17; a lower panel 18; a fixing through hole 19; a chute 20; an illumination device 21; an ultraviolet lamp 22; a timer 23; a camera 24; a data storage 25; a touch display screen 26; a data transmission device 27; a data interface 28; a logic main board 29.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1, the present embodiment provides a laboratory low-temperature material sampling cabinet, which includes a cabinet body 1 and a liquid nitrogen vaporizing device 2.
As shown in fig. 1, 2 and 3, the cabinet body 1 includes a bottom material taking platform 3, a hollow support tube 4, front and rear panels 5, left and right side plates 6 and a top cover 7.
The hollow support tube 4 is arranged at the four corners of the bottom material drawing platform 3.
The front panel 5, the rear panel 5, the left side plate and the right side plate 6 are arranged on the upper surface of the bottom material taking platform 3 and are respectively connected with the hollow support tube 4 to form an enclosure; the top cover 7 is arranged at the top of the cabinet body 1 and is connected with the hollow support tube 4, the front panel 5, the rear panel 5 and the left side plate and the right side plate 6.
A refrigerating pipe 8 is laid in the bottom material taking platform 3, the air inlet end of the refrigerating pipe 8 penetrates through the right side of the bottom material taking platform 3, and the air outlet end of the refrigerating pipe 8 is respectively connected with the hollow support pipe 4; wherein, the air inlet end penetrates through the end surface of the bottom material taking platform 3 which does not influence other functions of the material taking cabinet, and the specific position of the invention is not further limited.
In other preferred embodiments, as shown in fig. 1 and 2, the hollow support tube 4 is provided with a plurality of exhaust holes 9 towards the inside of the cabinet near the end of the top cover 7. At this moment, after the liquid nitrogen passes through the refrigeration pipe laid inside the bottom material taking platform 3, the temperature of the liquid nitrogen is lower than the room temperature, and the liquid nitrogen can be discharged from the exhaust holes of the support so as to reduce the temperature of the air inside the material taking cabinet, thereby realizing the full utilization of the liquid nitrogen and increasing the refrigeration effect.
In other preferred embodiments, as shown in fig. 3, the refrigeration pipes 8 are laid inside the bottom-material-drawing platform 3 in the following manner: a clip or snake shape. The concrete laying mode adopted by the method can be determined by the technicians in the field according to the actual situation of the field, and the invention is not further described.
In other preferred embodiments, as shown in FIG. 1, the cryogenic sampling cabinet further comprises a micro air pump 11 for pumping air.
The micro air pump 11 may be disposed inside the cabinet 1 or outside the cabinet 1 according to actual conditions in the field, which is not limited in the present invention.
It should be understood that, when the miniature air pump 11 is arranged in the cabinet body 1, the input end should face the outside of the cabinet body, otherwise, when the air pump is operated, more air can be pumped out, the front panel 5 is opened during the experiment, and the hot air in the outside can directly enter the inside of the cabinet body 1, thereby affecting the refrigeration effect.
In other preferred embodiments, as shown in fig. 4, a temperature sensor 10 for measuring temperature is further disposed in the cabinet 1. The temperature sensor 10 is mainly used for detecting the temperature of air in the cabinet body, and the position is not fixed but should be as close to the material drawing platform as possible.
Example 2
As shown in fig. 1, 5 and 6, the present embodiment is developed on the basis of the above embodiment 1, and the present invention further includes a liquid nitrogen vaporizing device 2, which specifically includes: the device comprises a tank body 12, a liquid nitrogen tank top cover 13, a partition plate 14, an air inlet pipe 15 and an air outlet pipe 16.
The partition 14 is disposed at the middle lower part of the tank 12, and a plurality of through holes are disposed on the surface.
One end of the air inlet pipe 15 is connected with the output end of the micro air pump 11, and the other end of the air inlet pipe penetrates through the liquid nitrogen tank top cover 13 and the partition plate 14 and is close to the bottom of the tank body 12, preferably, the vertical distance from the bottom is 10-20 mm.
One end of the air outlet pipe 16 is connected with the air inlet end of the refrigerating pipe 8, the other end of the air outlet pipe penetrates through the top cover and is close to the lower surface of the top cover 13 of the liquid nitrogen tank, and preferably, the vertical distance between the port and the top cover of the liquid nitrogen tank is 10-20 mm.
When the micro air pump 11 operates, air enters the bottom of the tank body through the air inlet, liquid nitrogen is vaporized after contacting air with high temperature, a large amount of heat is absorbed, the temperature of generated gas is low, and volatilized liquid nitrogen enters the refrigerating pipe 8 through the air outlet pipe 16, so that the purpose of cooling a specific position can be achieved.
In other preferred embodiments, as shown in fig. 6, the inlet pipe 15 is expanded in a conical shape after penetrating through the partition.
It will be appreciated that the end enlargement and the through holes of the partition 14 act to disperse the gas flow passing through, with the effect of increasing the rate of evaporation of the liquid nitrogen.
Example 3
As shown in fig. 1 and 7, the present embodiment is developed based on the above embodiments 1 and 2, the present invention further includes a front panel and a rear panel 5, specifically including an upper panel 17 and a lower panel 18, and as shown in fig. 1 and 7, the upper panel 17 is fixedly connected to the hollow support tube 4 and the top cover 7.
The lower panel 18 is a movable panel and is disposed outside the upper panel 17.
The upper panel 17 and the lower panel 18 are respectively provided with fixing through holes 19 at the left and right corners of the lower end.
In other preferred embodiments, the outer wall of the hollow support tube 4 is provided with an axial runner 20 for mounting the lower panel 18.
In other preferred embodiments, the lower plate 18 is slid to a position where its lowermost end is in contact with the upper surface of the bottom access platform 3 and its upper end is higher than the fastening through hole 19 of the upper plate 17.
In other preferred embodiments, the lower panel 18 is slid to a position where its uppermost end contacts the lower surface of the top cover 7 and its lower end is higher than the fixing through hole 19 of the upper panel 17.
Wherein the lower panel 18 can be locked by a fixing member when sliding to the uppermost end, preferably, the fixing member is a flat-head 7-shaped pin; in practical application, the lower panel 18 of one side of moving up is selected as required, lower panel 17 slide to the top with when the top cap lower surface contacts, the accessible mounting is fixed, has reached the purpose of making things convenient for the experiment.
It should be understood that both the front and rear panels can be opened and closed, and either side can be opened for experiment.
Example 4
As shown in fig. 1, 4 and 7, the present embodiment is developed based on the above embodiments 1, 2 and 3, and provides a low-temperature material-drawing cabinet.
The cabinet body 1 is also internally provided with an illuminating device 21 for illumination, an ultraviolet lamp 22 for sterilization, a timer 23 for timing, a camera 24 for shooting and a data storage 25 for storing data.
Wherein the lighting device 21, the ultraviolet lamp and the camera are arranged on the inner surface of the top cover 7; the timer 23 and the data storage 25 may be mounted on the inner surface of the upper panel 17 of the front panel 5, near the logic board 29. The data interface is arranged on the front surface of the upper panel 17, so that the recorded image data can be conveniently copied and fetched through a USB.
In other preferred embodiments, the cabinet body 1 is further provided with a touch display screen 26, and the touch display screen 26 is arranged on the surfaces of the front panel 5, the rear panel 5, the left side plate 6, the right side plate 6 or the top cover 7 of the cabinet body 1; the cabinet body 1 is further provided with a data transmission device 27 and a data interface 28 for transmitting data; the cabinet body 1 is also internally provided with a logic main board 29, and the logic main board 29 is arranged on the surfaces of the front panel 5, the rear panel 5, the left side plate 6, the right side plate 6 or the top cover 7 of the cabinet body 1.
The specific locations of the touch display screen 26 and the logic main board 29 are determined by those skilled in the art according to actual situations, and the present invention is not further described.
In other preferred embodiments, the logic main board 29 is electrically connected to the touch display screen 26, the temperature sensor 10, the micro air pump 11, the lighting device 21, the ultraviolet lamp 22, the timer 23, the camera 24, the data transmission device 27 and the data interface 28, respectively.
The working mode of the invention is as follows:
the ambient temperature is automatically sampled in real time through the temperature sensor 10, the temperature information in the material taking cabinet is transmitted to the logic main board 29 and is displayed on the touch display screen 26 in real time, and the real-time monitoring and control of the temperature are realized. When the temperature of the material taking cabinet is higher than the set temperature, the running power of the miniature air pump 11 is increased, the air output of the output end of the miniature air pump 11 is increased, the air inlet pipe 15 is communicated to the bottom of liquid nitrogen, the volatilization speed of the liquid nitrogen is accelerated, and the amount of nitrogen entering the refrigerating pipe through the air outlet pipe 16 is increased. When the liquid nitrogen volatilizes, a large amount of heat can be absorbed, and the temperature of the nitrogen which just volatilizes is very low. At the moment, the low-temperature nitrogen passes through the refrigerating pipe, so that the material taking platform is rapidly cooled to achieve the aim of refrigeration; when the temperature of the material drawing cabinet reaches a set temperature value, the micro air pump 11 is controlled to stop running, and the temperature reduction stops. In the experimental process, the material taking process shot by the camera can be controlled and displayed in real time through the touch display screen 26, the shot data is stored in the data storage 25, and the stored data can be exported through the data transmission device 27 and the data interface 28.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a laboratory low temperature cabinet of drawing materials which characterized in that:
the low-temperature material taking cabinet comprises a cabinet body (1) and a liquid nitrogen vaporizing device (2);
the cabinet body (1) comprises a bottom material taking platform (3), a hollow support tube (4), a front panel (5), a rear panel (5), a left side plate (6), a right side plate (6) and a top cover (7);
the hollow support pipes (4) are arranged at four corners of the bottom material taking platform (3);
the front panel (5), the rear panel (5), the left side plate and the right side plate (6) are arranged on the upper surface of the bottom material taking platform (3) and are respectively connected with the hollow support pipe (4) to form an enclosure;
the top cover (7) is arranged at the top of the cabinet body (1) and is connected with the hollow support pipe (4), the front panel (5), the rear panel (5) and the left side plate and the right side plate (6);
a refrigerating pipe (8) is laid in the bottom material taking platform (3), the air inlet end of the refrigerating pipe (8) penetrates through the end face of the bottom material taking platform (3), and the air outlet end of the refrigerating pipe is respectively connected with the hollow support pipe (4);
the hollow support pipe (4) is close to the end part of the top cover (7), and a plurality of exhaust holes (9) are arranged towards the direction in the cabinet.
2. Refrigeration tube (8) according to claim 1, characterized in that:
the laying mode of the refrigeration pipe (8) in the bottom sampling platform (3) is as follows: a clip or snake shape.
3. The low-temperature material drawing cabinet according to claim 1, characterized in that:
the low-temperature material taking cabinet also comprises a micro air pump (11) for pumping air;
the cabinet body (1) is also internally provided with a temperature sensor (10) for measuring temperature.
4. The low-temperature material drawing cabinet according to claim 1, characterized in that:
the liquid nitrogen vaporization device (2) comprises a tank body (12), a liquid nitrogen tank top cover (13), a partition plate (14), an air inlet pipe (15) and an air outlet pipe (16);
the partition plate (14) is arranged at the middle lower part in the tank body (12), and the surface of the partition plate is provided with a plurality of through holes;
one end of the air inlet pipe (15) is connected with the output end of the micro air pump (11), and the other end of the air inlet pipe penetrates through the liquid nitrogen tank top cover (13) and the partition plate (14) and is close to the bottom of the tank body (12);
one end of the air outlet pipe (16) is connected with the air inlet end of the refrigerating pipe (8), and the other end of the air outlet pipe penetrates through the top cover and is close to the lower surface of the top cover (13) of the liquid nitrogen tank.
5. Liquid nitrogen vaporization device (2) according to claim 4, characterized in that:
the air inlet pipe (15) penetrates through the partition plate and then expands in a conical shape.
6. The low-temperature material drawing cabinet according to claim 1, characterized in that:
the front panel (5) and the rear panel (5) are both composed of an upper panel (17) and a lower panel (18), and the upper panel (17) is fixedly connected with the hollow support pipe (4) and the top cover (7);
the lower panel (18) is a movable plate and is arranged on the outer side of the upper panel (17);
the left and right corners of the lower end of the upper panel (17) are respectively provided with a fixing through hole (19).
7. The cryogenic sampling cabinet according to claim 6, characterized in that:
the outer wall of the hollow support pipe (4) is provided with an axial sliding groove (20) for mounting the lower panel (18);
the lower panel (18) slides to the position that the lowest end of the lower panel is contacted with the upper surface of the bottom material taking platform (3), and the upper end of the lower panel is higher than the fixing through hole (19) of the upper panel (17);
when the lower panel (18) slides to the uppermost end to be in contact with the lower surface of the top cover (7), the lower end of the lower panel is higher than the fixing through hole (19) of the upper panel (17).
8. The low-temperature material drawing cabinet according to claim 1, characterized in that:
the cabinet body (1) is also internally provided with a lighting device (21) for lighting, an ultraviolet lamp (22) for sterilization, a timer (23) for timing, a camera (24) for shooting and a data storage (25) for storing data.
9. The low-temperature material drawing cabinet according to claim 1, characterized in that:
the cabinet body (1) is also provided with a touch display screen (26), and the touch display screen (26) is arranged on the surfaces of the front panel (5), the rear panel (5), the left side plate (6) and the right side plate (6) or the top cover (7) of the cabinet body (1);
the cabinet body is also provided with a data transmission device (27) for transmitting data and a data interface (28);
a logic main board (29) is further arranged in the cabinet body, and the logic main board (29) is arranged on the surfaces of the front panel (5), the rear panel (5), the left side plate (6) and the right side plate (6) or the top cover (7) of the cabinet body (1);
the logic main board (29) is electrically connected with the touch display screen (26), the temperature sensor (10), the miniature air pump (11), the illuminating device (21), the ultraviolet lamp (22), the timer (23), the camera (24), the data transmission device (27) and the data interface (28) respectively.
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| CN202110655003.9A CN113294953B (en) | 2021-06-11 | 2021-06-11 | Laboratory low temperature cabinet of drawing materials |
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| CN202110655003.9A CN113294953B (en) | 2021-06-11 | 2021-06-11 | Laboratory low temperature cabinet of drawing materials |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143672A (en) * | 2022-07-11 | 2022-10-04 | 湖北华中长江光电科技有限公司 | Vaporization heat exchange device |
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