CN216987752U - Constant temperature control system - Google Patents
Constant temperature control system Download PDFInfo
- Publication number
- CN216987752U CN216987752U CN202122640220.9U CN202122640220U CN216987752U CN 216987752 U CN216987752 U CN 216987752U CN 202122640220 U CN202122640220 U CN 202122640220U CN 216987752 U CN216987752 U CN 216987752U
- Authority
- CN
- China
- Prior art keywords
- stirring
- control system
- constant temperature
- tank
- stirring blade
- 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
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a constant temperature control system, comprising: a tank body; one end of the circulating pump is connected with the tank body; and one end of the constant temperature device is connected with the other end of the circulating pump, and the other end of the constant temperature device is connected with the tank body. According to the embodiment of the utility model, the constant temperature control system comprises the tank body, the circulating pump and the constant temperature device, when the temperature of liquid in the constant temperature control system is lower than a target temperature, the liquid can be heated by the constant temperature device, when the temperature of liquid in the constant temperature control system is higher than the target temperature, the liquid can be cooled by the constant temperature device, and the liquid can be continuously circulated in the system through the circulating pump, so that the basic constant temperature of the body is realized.
Description
Technical Field
The utility model relates to the field of constant temperature reaction, in particular to a constant temperature control system.
Background
During part of the reaction or test, there are stringent requirements on temperature. Too high or too low a temperature directly affects the rate at which the reaction proceeds and even produces side reactions. Too high or too low temperature directly affects the accuracy of the monitoring result, and even normal monitoring cannot be realized.
It is therefore highly desirable to provide a means for controlling the temperature to maintain the temperature relatively constant during the reaction or monitoring process. The existing temperature control device is provided with a heating device for raising the temperature of the reaction, such as a heating stirrer, an oil bath kettle, a water bath kettle, a high-temperature reaction pump and the like. And cooling devices such as a low-temperature reaction kettle, a low-temperature circulating pump, a condensation circulating pipeline and the like. However, the conventional apparatus has a disadvantage in that the temperature of the heating reaction apparatus cannot be rapidly lowered during or after the reaction at a relatively high temperature, and the temperature of the low-temperature reaction apparatus cannot be rapidly raised during or after the reaction at a low temperature.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to provide a thermostatic control system for controlling the temperature of a reaction system to be substantially constant.
A thermostat control system according to an embodiment of a first aspect of the present invention includes: a tank body; one end of the circulating pump is connected with the tank body; and one end of the constant temperature device is connected with the other end of the circulating pump, and the other end of the constant temperature device is connected with the tank body.
According to the embodiment of the utility model, the constant temperature control system comprises the tank body, the circulating pump and the constant temperature device, when the temperature of liquid in the constant temperature control system is lower than a target temperature, the liquid can be heated by the constant temperature device, when the temperature of liquid in the constant temperature control system is higher than the target temperature, the liquid can be cooled by the constant temperature device, and the liquid can be continuously circulated in the system through the circulating pump, so that the basic constant temperature of the body is realized.
According to some embodiments of the utility model, the one end of the circulation pump is connected to a bottom of the tank, and the other end of the thermostat is connected to an upper portion of the tank.
According to some embodiments of the present invention, a liquid discharge flow path is provided on a flow path of the one end of the circulation pump connected to the tank, and a liquid discharge control valve is provided on the liquid discharge flow path.
According to some embodiments of the utility model, a temperature sensor is provided on the tank.
According to some embodiments of the utility model, the thermostatic device comprises a cooling mechanism and a heating mechanism.
According to some embodiments of the utility model, a stirring device is arranged on the tank body, the stirring device includes a stirring rod, at least one first stirring blade and at least one second stirring blade, one end of the stirring rod extends into the tank body, the first stirring blade and the second stirring blade are arranged at intervals along the axial direction of the stirring rod, the first stirring blade and the second stirring blade are arranged in an inclined manner relative to a reference plane, the inclined direction is opposite, and the reference plane is a plane perpendicular to the axial direction of the stirring rod.
According to some embodiments of the utility model, an absolute value of an inclination angle of the first stirring blade with respect to the reference plane is equal to an absolute value of an inclination angle of the second stirring blade with respect to the reference plane.
According to some embodiments of the present invention, the tank includes a body and a bottom connected to a lower end of the body, the bottom having a cross-sectional area gradually decreasing from top to bottom, one end of the stirring rod extends into a lower portion of the body, and the stirring rod is located above the bottom.
According to some embodiments of the utility model, the thermostatic control system further comprises: the ventilation device comprises a ventilation pipe, and one end of the ventilation pipe extends into the lower part in the tank body.
According to some embodiments of the utility model, the top of the tank body is provided with a filtering device, the filtering device comprises a shell, a cover body and a core body, the top of the shell is open, the bottom of the shell is provided with a first through opening, the first opening is communicated with the inside of the tank body, the cover body is detachably arranged at the top of the shell, the cover body and the shell jointly define a containing cavity, the cover body is provided with a second opening communicated with the containing cavity, the core body is detachably arranged in the containing cavity, and the core body comprises a first supporting layer, an adsorption material layer and a second supporting layer which are sequentially stacked up and down.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a filter device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a filter assembly according to an embodiment of the present invention in connection with a pipe having a threaded structure;
fig. 3 is a right side view of a filter assembly according to an embodiment of the present invention in connection with a pipe having a threaded structure.
FIG. 4 is a schematic structural view of a stirring device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a thermostat control system according to an embodiment of the present invention.
Reference numerals:
100: a filtration device;
200: a stirring device;
1: a housing; 11: a first opening; 2: a cover body; 21: a second opening;
3: an accommodating chamber;
4: a core body; 41: a first support layer; 42: a layer of adsorbent material; 43: a second support layer.
5: a stirring rod; 6: a first stirring blade; 7: a second stirring blade;
8: a tank body; 81, a body; 82, bottom;
9: a breather pipe;
15: a temperature sensor;
17: a circulation pump;
18: a thermostatic device;
22: a liquid discharge flow path; 221 a drain control valve.
Detailed Description
Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.
A thermostat control system according to an embodiment of the present invention is described below with reference to fig. 1 to 5. The thermostatic control system can be used for the temperature control of a thermostatic reaction or a thermostatic monitoring system.
As shown in fig. 5, the thermostat control system according to the embodiment of the first aspect of the utility model includes: a tank body 8; one end of the circulating pump 17 is connected with the tank body 8; and one end of the constant temperature device 18 is connected with the other end of the circulating pump 17, and the other end of the constant temperature device 18 is connected with the tank body 8.
According to the constant temperature control system provided by the embodiment of the utility model, the constant temperature control system comprises the tank body 8, the circulating pump 17 and the constant temperature device 18, when the temperature of liquid in the constant temperature control system is lower than a target temperature, the liquid can be heated by the constant temperature device 18, when the temperature of liquid in the constant temperature control system is higher than the target temperature, the temperature of liquid can be reduced by the constant temperature device 18, the liquid can be continuously circulated in the system through the circulating pump 17, and the basic constant temperature of the constant temperature control system is realized.
According to some embodiments of the utility model, one end of the circulation pump 17 is connected to the bottom of the tank 8 and the other end of the thermostat 18 is connected to the upper part of the tank 8. Therefore, the liquid in the tank body 8 is pumped into the constant temperature device 18 by the circulating pump 17, and then is heated or cooled by the constant temperature device 18 to reach the target temperature and then circularly enters the upper part of the tank body 8 through the circulating pipeline, the test water is continuously circulated, and the function of heating or cooling the water is realized. Preferably, the temperature of liquid in the constant temperature control system is close to the ambient temperature, the liquid is concentrated in a 10-35 ℃ water tank, the 1000L water tank is adopted as the liquid tank, the constant temperature control device can adjust the temperature difference of 15 ℃ within 45min, and the constant temperature of the system can be kept. Optionally, a multistage pressure boosting device 19 is provided on the circulation line.
Further, a drain flow path 22 is provided in a flow path connecting one end of the circulation pump 17 to the tank 8, and a drain control valve 221 is provided in the drain flow path 22. The liquid in the tank 8 is controlled to be discharged from the bottom of the tank 8 by opening the liquid discharge control valve while the tank 8 is communicated with the liquid discharge flow path 22 as necessary. Alternatively, the drainage flow path 22 is controlled to communicate with or close to the tank 8 by a three-way valve.
According to some embodiments of the utility model, a temperature sensor 15 is provided on the tank 8. The temperature of the reaction system in the tank body 8 is monitored or measured by the temperature sensor 15, and the temperature control system has an indication function on the temperature control.
According to some embodiments of the present invention, the thermostatic device 18 includes a cooling mechanism and a heating mechanism. The rapid cooling is realized when the system temperature is higher than the target temperature through the work of the refrigerating mechanism. Optionally. The refrigerating mechanism is a refrigerating compressor. Through the work of the heating mechanism, the rapid temperature rise is realized when the system temperature is lower than the target temperature. Alternatively, the heating mechanism is a high power heater, such as a heater that may be 15kW to 60kW, but is not limited thereto.
According to some embodiments of the present invention, the tank 8 is provided with a stirring device 200, as shown in fig. 4, the stirring device 200 includes a stirring rod 5, at least one first stirring blade 6 and at least one second stirring blade 7, one end of the stirring rod 5 extends into the tank 8, the first stirring blade 6 and the second stirring blade 7 are spaced along an axial direction of the stirring rod 5, and the first stirring blade 6 and the second stirring blade 7 are arranged obliquely with respect to a reference plane, which is a plane perpendicular to the axial direction of the stirring rod 5, and are opposite in oblique direction. Further, the stirring rod 5, the first stirring blade 6 and the second stirring blade 7 are an integrally molded piece. But is not limited thereto.
According to the embodiment of the utility model, the stirring device 200 comprises at least one first stirring blade 6 and at least one second stirring blade 7, the first stirring blade 6 and the second stirring blade 7 are obliquely arranged relative to the reference plane, the oblique directions of the first stirring blade 6 and the second stirring blade 7 are opposite, when the first stirring blade 6 and the second stirring blade 7 are used for stirring, a double-layer stirring ring is formed in the tank body 8, the stirring directions of the double-layer stirring ring are opposite, and the crystal precipitation can be effectively slowed down. Further, the number of the first stirring vanes 6 and the second stirring vanes 7 may be two or more, and the first stirring vanes 6 and the second stirring vanes 7 are provided at intervals. As shown in fig. 4, two first agitating blades 6 and two second agitating blades 7. Thus, two layers of stirring rings are formed in the tank 8, and the directions of the stirring rings are opposite.
Further, the plurality of first stirring blades 6 and the plurality of second stirring blades 7 which are arranged along the axial direction of the stirring rod 5 at intervals can expand the stirring range of the stirring device 200 along the axial direction of the stirring rod 5, and are particularly suitable for large reaction liquid depth in a reaction vessel and poor crystal precipitation retarding effect of a single-layer stirring ring or a double-layer stirring ring, for example.
According to some embodiments of the present invention, the first stirring blade 6 and the second stirring blade 7 are opposed up and down. The stirring device is used for stirring a reaction system to obtain a reverse and double-layer stirring ring, is beneficial to the reaction system to be mixed more uniformly, and effectively slows down crystallization.
According to further embodiments of the present invention, the absolute value of the angle of inclination of the first stirring blade 6 with respect to the reference plane is equal to the absolute value of the angle of inclination of the second stirring blade 7 with respect to the reference plane. Therefore, the obtained double-layer stirring rings have the same fluctuation size, and the reaction system is stable in the stirring process.
According to some embodiments of the present invention, the first stirring blade 6 is plural, and the plural first stirring blades 6 are arranged along the circumferential direction of the stirring rod 5; similarly, the second agitating blade 7 is plural, and the plural second agitating blades 7 are arranged along the circumferential direction of the agitating bar 5.
According to the specific embodiment of the utility model, the plurality of first stirring blades 6 arranged along the circumferential direction of the stirring rod 5 stir on the same plane relative to the reference plane to form the stirring ring, the stirring strength is enhanced compared with that of a single first stirring blade 6, the resistance of a reaction system in a container can be overcome powerfully, and the stirring system is more stable. The stirring device is suitable for a reaction system which has high viscosity and resistance, is difficult to stir and is difficult to uniformly mix in a stirring reaction system. As such, the same applies to the second agitating blades 7 arranged along the circumferential direction of the agitating shaft 5.
According to other embodiments of the present invention, the plurality of first agitating blades 6 are all inclined at equal angles with respect to the reference plane; similarly, the plurality of second agitating blades 7 are all inclined at the same angle with respect to the reference plane. The fluctuation of the stirring ring is consistent, and the reaction liquid level in the container is stable in the stirring process.
According to some embodiments of the present invention, the number of the first stirring blades 6 is equal to the number of the second stirring blades 7, so that the stirring ring formed by the first stirring blades 6 is equal to the stirring ring formed by the second stirring blades 7 on the same plane relative to the reference plane, and the stirring force is the same, so that the reaction system is kept stable during the stirring process while the crystallization is effectively slowed down.
According to the specific embodiment of the present invention, by specifically limiting the stirring device 200, the stirring effect of the circulation pump 17 for pumping the system liquid circulation is cooperated to play the roles of high-efficiency stirring and crystallization prevention.
According to some embodiments of the utility model, the stirring rod 5 is a plastic rod. This prevents corrosion of the stirring rod 5 by organic solvents and the like in the reaction system. Alternatively, the first stirring blade 6 and the second stirring blade 7 are plastic stirring blades, and the stirring blades can be prevented from being corroded as well.
According to other embodiments of the present invention, the stirring rod 5 comprises a rod body and a protective layer arranged on the outer surface of the rod body, wherein the rod body is a metal part, and the protective layer is a plastic layer. Therefore, the requirements of the strength and the hardness of the stirring rod 5 can be met, the defect that the metal stirring rod is easy to corrode can be overcome, and the metal stirring rod is prevented from rusting. Optionally, the first stirring blade 6 and the second stirring blade 7 include a blade body and a protective layer disposed on the surface of the blade body, the blade body is a metal piece, and the protective layer is a plastic layer. So, can satisfy the requirement of stirring vane intensity and hardness, can overcome the easy defect of corroding of metal stirring vane again, prevent that metal stirring vane from rustting.
According to some embodiments of the utility model, the stirring device 200 further comprises: the mute motor is connected with the stirring rod 5. The mute motor provides power for the stirring device 200, and the stirring rod 5 is driven to rotate through the mute motor, so that the first stirring blade 6 and the second stirring blade 7 are driven to stir. The stirrer provided by the embodiment of the utility model adopts the silent motor, is much more silent than a common motor, and is reduced from 80 decibels to 40 decibels, so that the interference of noise to the environment in the reaction process is reduced.
According to further embodiments of the present invention, the thermostat control system further comprises: the ventilation device comprises a ventilation pipe 9, and one end of the ventilation pipe 9 extends into the lower part of the tank body 8. Therefore, the air source is introduced into the bottom of the tank body 8, so that the stirring rule in the water tank can be disturbed, and crystals can not be separated out. Wherein, the introduced gas source is compressed air or compressed nitrogen. Optionally, the venting means is a nitrogen cylinder or air cylinder with a vent tube. But is not limited thereto. Optionally, the pressure of the introduced compressed gas is 10MPa or more.
According to some embodiments of the present invention, as shown in fig. 5, the tank 8 includes a body 81 and a bottom 82, the bottom 82 is connected to a lower end of the body 81, the bottom 82 has a cross-sectional area that gradually decreases from top to bottom, one end of the stirring rod 5 extends into a lower portion inside the body 81, and the stirring rod 5 is located above the bottom 82. Thus, the small bottom area is realized, the reaction liquid collides with the bottom 82 remarkably, and the crystallization is reduced.
According to some embodiments of the present invention, the top of the tank 8 is provided with the filter device 100, as shown in fig. 1, the filter device 100 includes a housing 1, a cover 2 and a core 4, the top of the housing 1 is open, the bottom of the housing 1 has a first opening 11 therethrough, the first opening 11 is communicated with the inside of the tank 8, the cover 2 is detachably provided on the top of the housing 1, the cover 2 and the housing 1 together define a containing cavity 3, the cover 2 is formed with a second opening 12 communicated with the containing cavity 3, the core 4 is detachably provided in the containing cavity 3, and the core 4 includes a first support layer 41, an absorbent layer 42 and a second support layer 43 which are sequentially stacked up and down.
According to the embodiment of the utility model, the first supporting layer 41 covers the upper part of the adsorbing material layer 42, so that the adsorbing material layer 42 is prevented from directly contacting with the atmosphere, meanwhile, the adsorbing material layer 42 is prevented from being polluted by dust in the air, and the pressure on the adsorbing material layer 42 when the cover body 2 is closed is relieved. The second support layer 43 is disposed along the other side of the housing 1 having the first opening 11 therethrough, so as to prevent the adsorbent material layer 42 from leaking from the first opening 11 and prevent the adsorbent material layer 42 from contaminating the housing 1.
According to some embodiments of the present invention, the material of the adsorbent material layer 42 is a granular adsorbent material, and the granules have a particle size d, wherein d satisfies: d is more than or equal to 2mm and less than or equal to 10 mm. Thus, the adsorption of the adsorption material layer 42 to harmful gases and organic solvents can be satisfied, and the function of the filter device 100 to communicate the atmosphere with the reaction vessel can be satisfied. Wherein, if the particles of the adsorption material layer 42 are too small and the density is too large, the particles are easy to be blocked and cannot have the effect of communicating with the atmosphere; if the particles of the adsorbent material layer 42 are too large, the contact surface with the harmful gas and the organic solvent is too small, and the adsorption efficiency is lowered.
According to some embodiments of the utility model, the particulate adsorbent material is at least one of activated carbon particles, silica particles and alumina particles. But is not limited thereto. Thus meeting the requirements of the particle size and the adsorption performance of the adsorption material.
According to some embodiments of the present invention, the first support layer 41 and the second support 42 are both nonwoven fabrics. But is not limited thereto. Thus, the requirements of support and quick replacement are met.
According to some embodiments of the present invention, the cover 2 is provided with a cover extension portion extending in a direction away from the center of the accommodating chamber 3, and the second opening 21 is formed in the cover extension portion.
According to the filtering apparatus 100 of the embodiment of the present invention, the continuous communication between the atmosphere and the reaction vessel when the cover 2 is closed on the housing 1 is realized by the second opening 21 formed on the cover extension.
According to some embodiments of the present invention, the other side of the housing 1 is provided with a housing extension extending in a direction away from the center of the accommodating chamber 3, and the first opening 11 is formed on the housing extension.
According to the filtering apparatus 100 of the embodiment of the present invention, an atmospheric passage in which the inner core 4 adsorbs the organic solvent and the harmful gas while continuously communicating the atmosphere and the reaction vessel and keeping the pressure in the reaction vessel the same is formed by the first opening 11 formed on the extension of the housing, the accommodating chamber 3, and the second opening 21 when the cover body 2 is closed on the housing 1.
According to some embodiments of the utility model, the outer surface of the housing extension has external threads. So, conveniently be connected filter equipment 100 and reaction vessel through the casing extension, further fix filter equipment 100 on reaction vessel, easy and simple to handle, do not have the potential safety hazard. As shown in fig. 2 and 3, the pipe can be connected with a pipe with a thread structure through the external thread on the outer surface of the extension part of the shell.
According to some embodiments of the utility model, the cover 2 is screwed to the housing 1. The connection and the disassembly are convenient, and the assembly is firm.
According to some embodiments of the utility model, the cover 2 is a stainless steel cover or a plastic cover. Can prevent that lid 2 from being corroded by organic solvent or harmful gas, long service life when filter equipment 100's filter effect is not good, only need open lid 2 and change core 4, need not change lid 2, simple and convenient.
Further, the housing 1 of the filtering apparatus 100 according to some embodiments of the present invention is a stainless steel housing or a plastic housing. Can prevent that casing 1 from being corroded by organic solvent or harmful gas, long service life when filter equipment 100's filter effect is not good, only need open lid 2 and change core 4, need not dismantle or change casing 1, simple and convenient.
According to some embodiments of the present invention, the filtering device 100 is disposed on the thermostatic control system to ensure that the thermostatic system is communicated with the atmosphere, so as to prevent the system from being damaged due to too high air pressure caused by temperature rise or too low air pressure caused by temperature drop, and simultaneously prevent the thermostatic control system from polluting the atmosphere during the reaction or monitoring process due to the purifying effect of the filtering device 100.
In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the positional or orientational relationships indicated in the drawings to facilitate the description of the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the utility model.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A thermostatic control system, comprising:
a tank body;
one end of the circulating pump is connected with the tank body;
constant temperature equipment, constant temperature equipment includes refrigeration mechanism and heating mechanism, through the work of refrigeration mechanism realizes cooling down rapidly when the system temperature is higher than the target temperature, through the work of heating mechanism, realizes heating up rapidly when the system temperature is less than the target temperature, constant temperature equipment's one end with the other end of circulating pump links to each other, constant temperature equipment's the other end with the jar body links to each other.
2. The thermostat control system of claim 1, wherein the one end of the circulation pump is connected to a bottom of the tank, and the other end of the thermostat is connected to an upper portion of the tank.
3. The thermostat control system according to claim 1, wherein a drain flow path is provided on a flow path of the one end of the circulation pump connected to the tank, and a drain control valve is provided on the drain flow path.
4. The thermostatic control system of claim 1, wherein a temperature sensor is disposed on the tank.
5. The constant temperature control system according to any one of claims 1 to 4, wherein a stirring device is arranged on the tank body, the stirring device comprises a stirring rod, at least one first stirring blade and at least one second stirring blade, one end of the stirring rod extends into the tank body, the first stirring blade and the second stirring blade are arranged at intervals along the axial direction of the stirring rod, the first stirring blade and the second stirring blade are arranged in an inclined manner relative to a reference plane, the inclination directions of the first stirring blade and the second stirring blade are opposite, and the reference plane is a plane perpendicular to the axial direction of the stirring rod.
6. The thermostatic control system of claim 5, wherein an absolute value of an angle of inclination of the first stirring blade relative to the reference plane is equal to an absolute value of an angle of inclination of the second stirring blade relative to the reference plane.
7. The system of claim 5, wherein the tank includes a body and a bottom connected to a lower end of the body, the bottom having a cross-sectional area that decreases from top to bottom, one end of the stirring rod extending into a lower portion of the body, and the stirring rod being positioned above the bottom.
8. The thermostat control system of any one of claims 1-4, further comprising:
the ventilation device comprises a ventilation pipe, and one end of the ventilation pipe extends into the lower part in the tank body.
9. The constant temperature control system according to any one of claims 1 to 4, wherein a filtering device is arranged at the top of the tank body, the filtering device comprises a shell, a cover body and a core body, the top of the shell is open, a first opening is formed in the bottom of the shell, the first opening is communicated with the inside of the tank body, the cover body is detachably arranged at the top of the shell, the cover body and the shell together define a containing cavity, a second opening communicated with the containing cavity is formed in the cover body, the core body is detachably arranged in the containing cavity, and the core body comprises a first supporting layer, an adsorbing material layer and a second supporting layer which are sequentially overlapped up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122640220.9U CN216987752U (en) | 2021-10-29 | 2021-10-29 | Constant temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122640220.9U CN216987752U (en) | 2021-10-29 | 2021-10-29 | Constant temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216987752U true CN216987752U (en) | 2022-07-19 |
Family
ID=82380383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122640220.9U Active CN216987752U (en) | 2021-10-29 | 2021-10-29 | Constant temperature control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216987752U (en) |
-
2021
- 2021-10-29 CN CN202122640220.9U patent/CN216987752U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10969125B2 (en) | Air purification system | |
| CN216987752U (en) | Constant temperature control system | |
| WO2015187268A1 (en) | Reagent delivery system freeze prevention heat exchanger | |
| CN216704349U (en) | Liquid tank | |
| CN103316545B (en) | Multilevel particle filter used in MOCVD device | |
| CN216987015U (en) | Disproportionated tail gas recycling device | |
| CN113856597A (en) | Liquid tank | |
| CN211039164U (en) | Cooling device for fan bearing | |
| CN113624552B (en) | Offshore area water body sample collection system | |
| CN214792152U (en) | Cooling device is used in quick refrigerated active carbon production | |
| CN212839639U (en) | Self-operated regulating valve with cooling effect | |
| CN219038406U (en) | Purification efficiency experimental device | |
| CN110358569A (en) | Waste plastic oil-refining equipment | |
| CN219840836U (en) | Submersible sewage pump water circulation cooling system | |
| CN210141720U (en) | Device for preventing condenser from being blocked by ice in synthesis of m-methoxy propiophenone | |
| CN216726571U (en) | Novel graphite falling film absorber | |
| CN211128767U (en) | Computer room server rack cooling device | |
| KR200180497Y1 (en) | Air separator of aircondition system | |
| CN220581265U (en) | Water ring vacuum pump equipment with gas purification function | |
| CN211398506U (en) | Ventilating cap | |
| CN220558571U (en) | Condensing equipment is used in industrial gas production | |
| CN217051677U (en) | Treatment device for stabilizing quality of circulating water | |
| CN219178119U (en) | Cooler for chemical reagent | |
| CN219869206U (en) | Cooling tower is used in stainless steel production | |
| CN212819636U (en) | Intelligent monitoring system of liquid stirring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |