CN112034142A - Cooling device for moisture content detection - Google Patents
Cooling device for moisture content detection Download PDFInfo
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- CN112034142A CN112034142A CN201910478360.5A CN201910478360A CN112034142A CN 112034142 A CN112034142 A CN 112034142A CN 201910478360 A CN201910478360 A CN 201910478360A CN 112034142 A CN112034142 A CN 112034142A
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- cooling
- container
- liquid outlet
- circulating pump
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; viscous liquids; paints; inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Oils, i.e. hydrocarbon liquids specific substances contained in the oil or fuel
- G01N33/2847—Water in oil
Abstract
The application discloses a heat sink for moisture content detects belongs to the heat sink field. This heat sink includes: container, circulating pump, first cooling body and power, the liquid outlet of circulating pump be used for with the outer tube inlet intercommunication of first condenser pipe, the inlet of first cooling body be used for with the outer tube liquid outlet intercommunication of first condenser pipe, the liquid outlet of first cooling body with the container intercommunication, the power with the circulating pump electricity is connected. This application is through communicateing circulating pump, the outer tube of first condenser pipe, first cooling body and container in proper order, behind the power supply for the circulating pump power supply, the coolant of splendid attire in the circulating pump suction container to the outer tube of flow through first condenser pipe, the realization is to the cooling of the vapor of the inner tube of first condenser pipe. And then, the cooling medium flows back to the container after being cooled by the first cooling mechanism, so that the cooling medium is recycled, the waste of a cooling mechanism is avoided, and the cooling effect of the cooling medium on the water vapor is ensured.
Description
Technical Field
The application relates to the field of cooling devices, in particular to a cooling device for detecting water content.
Background
The distillation method is a common method for separating and purifying liquid mixtures, and mainly achieves gasification separation of different liquid solutions by heating the liquid mixtures and by the corresponding different boiling points of the different liquid solutions. The distillation method has the advantages of large measurement range, simple operation, low cost, safety and reliability, and is widely applied. For example, when the water content of the crude oil is tested by a distillation method, a crude oil sample in a distillation flask can be heated to gasify an aqueous solution contained in the crude oil sample to form water vapor, the water vapor enters an inner tube of a condensation tube, then the water vapor is cooled to liquefy the water vapor to an aqueous solution, and the water content of the crude oil can be determined by the liquefied aqueous solution and the crude oil sample.
In the related art, tap water is generally passed through an outer pipe of the condensation pipe to cool the water vapor by heat exchange between the water vapor and tap water in the outer pipe. However, in the cooling process, tap water is in a long-flowing state, and the time of one cooling needs to last about one hour, so that about 0.5 cubic meter of tap water may be needed for one cooling, and a large amount of tap water is wasted. In addition, when the external environment temperature is higher, the water temperature of tap water is also higher, and the cooling effect on steam is difficult to realize at this moment, and then leads to the steam blowout very easily, influences the detection of crude oil moisture content.
Disclosure of Invention
The application provides a heat sink for moisture content detects can solve extravagant, and the poor problem of cooling effect to water vapor cooling in-process running water. The technical scheme is as follows:
the application provides a heat sink for moisture content detects, the heat sink includes: the device comprises a container, a circulating pump, a first cooling mechanism and a power supply;
a liquid outlet of the circulating pump is used for being communicated with a liquid inlet of an outer pipe of the first condensation pipe, a liquid inlet of the first cooling mechanism is used for being communicated with a liquid outlet of the outer pipe of the first condensation pipe, a liquid outlet of the first cooling mechanism is communicated with the container, and the power supply is electrically connected with the circulating pump;
the container is used for containing the cooling medium, and the circulating pump is used for pumping the cooling medium contained in the container.
Optionally, the circulation pump is located within the vessel and is fixed to the bottom of the vessel.
Optionally, the circulation pump is located outside the container, and a liquid inlet of the circulation pump is communicated with a liquid outlet of the solution.
Optionally, the liquid outlet of the first cooling mechanism is communicated with the liquid inlet of the container, and the liquid inlet of the container is located above the liquid outlet.
Optionally, the first cooling mechanism includes a radiator, a liquid inlet of the radiator is used for communicating with a liquid outlet of the outer tube of the first condensation tube, and a liquid outlet of the radiator is communicated with the container.
Optionally, the first cooling mechanism further comprises: and the cooling fan is used for cooling the cooling medium flowing through the radiator, and the cooling fan is electrically connected with the power supply.
Optionally, the plane of the heat sink is parallel to the plane of the cooling fan.
Optionally, the cooling device further comprises a second cooling mechanism, a liquid inlet of the second cooling mechanism is communicated with a liquid outlet of the circulating pump, and a liquid outlet of the second cooling mechanism is communicated with a liquid inlet of the outer pipe of the first condensation pipe.
Optionally, the cooling device further comprises a third cooling mechanism;
the liquid outlet of the first cooling mechanism is used for being communicated with the liquid inlet of the outer pipe of the second condensation pipe, the liquid inlet of the third cooling mechanism is used for being communicated with the liquid outlet of the outer pipe of the second condensation pipe, and the liquid outlet of the third cooling mechanism is communicated with the container.
Optionally, the circulation pump is communicated with the outer pipe of the first condensation pipe, the first cooling mechanism is communicated with the outer pipe of the first condensation pipe, and the first cooling mechanism is communicated with the container through hoses.
The technical scheme provided by the application has the beneficial effects that:
this application is through communicateing circulating pump, the outer tube of first condenser pipe, first cooling body and container in proper order, behind the power supply for the circulating pump power supply, the coolant of splendid attire in the circulating pump suction container to the outer tube of flow through first condenser pipe, the realization is to the cooling of the vapor of the inner tube of first condenser pipe. And then, the cooling medium flows back to the container after being cooled by the first cooling mechanism, so that the cooling medium is recycled, the waste of a cooling mechanism is avoided, and the cooling effect of the cooling medium on the water vapor is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a cooling device for moisture content detection according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of another cooling device for moisture content detection according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of another cooling device for moisture content detection according to an embodiment of the present application.
1: a container; 2: a circulation pump; 3: a first cooling mechanism; 31: a heat sink; 32: a cooling fan; 4: a power source; 5: a second cooling mechanism; 6: a third cooling mechanism; 7: a first condenser pipe; 8: a second condenser tube.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
Fig. 1 illustrates a schematic structural diagram of a cooling device for moisture content detection according to an embodiment of the present application. As shown in fig. 1, the cooling device includes: container 1, circulating pump 2, first cooling body 3 and power 4, the liquid outlet of circulating pump 2 be used for with the outer tube inlet intercommunication of first condenser pipe 7, the inlet of first cooling body 3 be used for with the outer tube liquid outlet intercommunication of first condenser pipe 7, the liquid outlet and the container 1 intercommunication of first cooling body 3, power 4 is connected with circulating pump 2 electricity. The container 1 is used for containing a cooling medium, and the circulating pump 2 is used for pumping the cooling medium contained in the container 1.
In the embodiment of the application, communicate circulating pump 2, the outer tube of first condenser pipe 7, first cooling body 3 and container 1 in proper order, behind power 4 for circulating pump 2 power supply, the coolant of splendid attire in the circulating pump 2 suction container 1 to the outer tube of first condenser pipe 7 of flow-through realizes the cooling to the vapor of the inner tube of first condenser pipe 7. And then, the cooling medium flows back to the container 1 after being cooled by the first cooling mechanism 3, so that the cooling medium is recycled, the waste of a cooling mechanism is avoided, and the cooling effect of the cooling medium on water vapor is ensured.
Wherein, container 1 can adopt the open type to the coolant of splendid attire can dispel the heat naturally through container 1's opening in container 1, and then further realizes coolant's natural cooling. In some possible embodiments, a coolant may be added to the cooling medium to achieve a temperature reduction of the cooling medium by heat exchange between the coolant and the cooling medium. For example, the coolant may be ice, dry ice, liquid nitrogen, or fixed nitrogen.
It should be noted that, because the cooling effect of the coolant such as liquid nitrogen or nitrogen fixation is good, when the coolant is added to the cooling medium contained in the container 1, the amount of the coolant needs to be determined according to the amount of the cooling medium contained in the container 1, so as to avoid direct freezing and solidification of the cooling medium after the coolant is excessively added.
In addition, when carrying out crude oil moisture content test, can use heating device to heat the retort, and in order to in time cool off the vapor that gets into the inner tube of first condenser pipe 7, this heating device can use same power 4 with circulating pump 2, like this, when power 4 supplies power for heating device, can be simultaneously for circulating pump 2 power supply, and then circulating pump 2 starts when heating device heats the retort, and make coolant along the outer tube of first condenser pipe 7, first cooling body 3 and container 1 begin to circulate.
In the embodiment of the present application, when the cooling medium contained in the container 1 is pumped by the circulating pump 2, in some possible embodiments, the circulating pump 2 may be disposed inside the container 1, that is, as shown in fig. 1, the circulating pump 2 may be disposed in the container 1 and fixed at the bottom of the container 1, so as to save the space occupied by the cooling device.
It should be noted that, when the circulation pump 2 is located in the container 1, the liquid level of the cooling medium contained in the container 1 needs to be higher than the liquid inlet of the circulation pump 2, so as to ensure the normal circulation of the cooling medium.
In other possible embodiments, the circulation pump 2 may also be disposed outside the container 1, that is, the circulation pump 2 is disposed outside the container 1, and in this case, the liquid inlet of the circulation pump 2 may be communicated to the inside of the container 1 along the opening of the container 1. Of course, the container 1 may also be provided with a liquid outlet, such that the liquid outlet of the container 1 is communicated with the liquid inlet of the circulating pump 2.
In order to ensure the normal circulation of the cooling medium, when the liquid inlet of the circulating pump 2 is communicated into the container 1 along the opening of the container 1, the liquid inlet of the circulating pump 2 can be communicated to the position below the liquid level of the cooling medium contained in the container 1. When the container 1 is provided with the liquid outlet, the liquid level of the cooling medium contained in the container 1 can be higher than the liquid outlet of the container 1.
Wherein, when the liquid outlet of the container 1 is positioned at the bottommost part of the container 1, the cooling medium used by the whole cooling device can be ensured to be minimum. The circulation pump 2 may have other functions in addition to the function of powering the cooling medium to promote circulation of the cooling medium. For example, when the circulation pump 2 is the low-temperature cooling circulation pump 2, the circulation pump 2 may lower the temperature of the cooling medium while promoting the circulation of the cooling medium.
In this application embodiment, when cooling medium flowed through the outer tube of first condenser pipe 7, the outer tube liquid outlet of first condenser pipe 7 can be located the top of outer tube liquid inlet, like this, can guarantee that the outer tube memory of condenser pipe leaves the cooling medium of certain liquid level to can guarantee the cooling effect of cooling medium to vapor.
Wherein, the liquid inlet of the outer tube of the first condensation tube 7 can be positioned at the bottommost part of the outer tube of the first condensation tube 7, so that the whole cooling medium in the outer tube of the first condensation tube 7 can be in the circulation process. The outer tube liquid outlet of the first condensation tube 7 can be located at the topmost part of the outer tube of the first condensation tube 7, so that the outer tube of the first condensation tube 7 can be filled with the cooling medium, and the contact area between the cooling medium and the water vapor can be increased.
In addition, in some possible embodiments, in order to further cool the cooling medium in the container 1 to improve the cooling effect on the water vapor in the condensation pipe, the cooling device may further include a second cooling mechanism 5, wherein an inlet of the second cooling mechanism 5 is communicated with an outlet of the circulation pump 2, and an outlet of the second cooling mechanism 5 is used for being communicated with an inlet of the outer pipe of the first condensation pipe 7.
In this way, when the cooling medium circulates between the circulation pump 2, the second cooling mechanism 5, the outer tube of the condensation pipe, the first cooling mechanism 3, and the container 1, not only the cooling medium that has exchanged heat with the water vapor can be cooled by the first cooling mechanism 3, but also the cooling medium that has not exchanged heat with the water vapor can be cooled by the second cooling mechanism 5, so that the effect of cooling the water vapor by the cooling medium can be further improved.
In addition, in the embodiment of the application, when the water content in the crude oil is tested, the water content is likely to be tested simultaneously through a plurality of groups of testing devices. In order to reduce the consumption of cooling medium, the cooling device of the plurality of groups of testing devices is simplified at the same time, so that the water vapor in the inner pipes of the condensation pipes included in the plurality of groups of testing devices can be realized simultaneously through the cooling device. At this moment, the outer tube of the condenser pipe that every group of testing arrangement includes can communicate in proper order, and after circulating pump 2 that this cooling device includes pumped the coolant in the container 1, the outer tube of the condenser pipe that every group of testing arrangement includes can flow through in proper order to the realization is to the cooling of vapor in the inner tube of the condenser pipe that every group of testing arrangement includes.
It should be noted that, after the cooling medium flows through the outer tube of the condensation tube of at least one set of testing devices, in order to avoid the high temperature of the cooling medium, the cooling device may further include at least one cooling mechanism.
Taking two sets of test devices which are performed simultaneously as an example, as shown in fig. 2, the cooling device may further include a third cooling mechanism 6. The liquid outlet of the first cooling mechanism 3 is used for being communicated with the liquid inlet of the outer pipe of the second condensation pipe 8, the liquid inlet of the third cooling mechanism 6 is used for being communicated with the liquid outlet of the outer pipe of the second condensation pipe 8, and the liquid outlet of the third cooling mechanism 6 is communicated with the container 1. In this way, the cooling medium is cooled by the first cooling mechanism 3 after exchanging heat with the water vapor in the inner pipe of the first condensation pipe 7, the cooled cooling medium exchanges heat with the water vapor in the inner pipe of the second condensation pipe 8, and then the cooling medium is cooled by the second cooling medium and then flows back to the container 1. Therefore, after heat exchange is carried out between the cooling medium and the water vapor, the cooling medium can be cooled through the first cooling mechanism 3 or the second cooling mechanism 5, and the cooling effect of the cooling medium on the water vapor is ensured when the cooling medium is circulated subsequently.
In the embodiment of the present application, the liquid outlet of the first cooling mechanism 3 may be communicated to the opening of the container 1, so that the cooling medium cooled by the first cooling mechanism 3 may flow back to the container 1 along the opening of the container 1. Of course, the container 1 may also be provided with a liquid inlet, at this time, the liquid outlet of the first cooling mechanism 3 is communicated with the liquid inlet of the container 1, and the cooling medium cooled by the first cooling mechanism 3 may flow back to the container 1 along the liquid inlet of the container 1.
When setting up the inlet on container 1, container 1's inlet can be located the top of liquid outlet to resistance when can reducing the coolant backward flow avoids the coolant in the container 1 to flow back to first cooling body 3 simultaneously.
In the embodiment of the present application, the first cooling mechanism 3, the second cooling mechanism 5, and the third cooling mechanism 6 may be the same or different. When the three cooling mechanisms are the same, the first cooling mechanism 3 will be described as an example.
As shown in fig. 3, the first cooling mechanism 3 may include a heat radiator 31, an inlet of the heat radiator 31 is configured to communicate with an outer tube outlet of the first condensation tube 7, and an outlet of the heat radiator 31 is configured to communicate with the container 1.
In some possible embodiments, the heat sink 31 may have a flat plate structure, and the heat dissipation pipes may be distributed inside the heat sink 31 in an S-shape, so that when the cooling medium flows through the heat sink 31, the heat exchange time between the cooling medium and the external environment may be prolonged, thereby cooling the cooling medium.
Further, when the temperature of the external environment is high, the cooling medium is still at a high temperature after heat exchange with the external environment. Therefore, as shown in fig. 3, in order to enhance the temperature reduction of the cooling medium, the first cooling mechanism 3 may further include: and a cooling fan 32 for cooling the cooling medium flowing through the heat sink 31, wherein the cooling fan 32 is electrically connected to the power supply 4. In this way, after the power source 4 supplies power to the cooling fan 32, the cooling fan 32 can accelerate the air flow speed of the environment around the radiator 31, thereby accelerating the cooling of the cooling medium.
It should be noted that, in order to improve the cooling effect of the cooling fan 32 on the cooling medium flowing through the inside of the heat sink 31, the plane where the heat sink 31 is located may be parallel to the plane where the cooling fan 32 is located, and of course, the plane where the heat sink 31 is located may also form a preset included angle with the plane where the cooling fan 32 is located, and the preset included angle may be 5 degrees or 10 degrees, and the like.
In the embodiment of the present application, when the circulation of the cooling medium is promoted by the circulation pump 2, the cooling medium is only used for cooling the water vapor, and therefore, the power supplied by the circulation pump 2 only needs to be able to promote the circulation of the cooling medium. Like this, coolant's flowing pressure can not be higher, this moment between circulating pump 2 and the outer tube of first condenser pipe 7, between first cooling body 3 and the outer tube of first condenser pipe 7, and through the hose intercommunication between first cooling body 3 and the container 1, also be between the liquid outlet of circulating pump 2 and the outer tube inlet of first condenser pipe 7, between the outer tube liquid outlet of first condenser pipe 7 and the inlet of first cooling body 3, through the hose intercommunication between the liquid outlet of first cooling body 3 and the container 1, thereby be convenient for the measurement personnel to circulating pump 2, first condenser pipe 7, the intercommunication between first cooling body 3 and the container 1, be convenient for simultaneously to container 1, first cooling body 3, the removal that the position of circulating pump 2 etc. was gone on.
In addition, when the power provided by the circulation pump 2 is large, the flowing pressure of the cooling medium is also increased, and at this time, the communication between the circulation pump 2 and the outer pipe of the first condensation pipe 7, between the outer pipe of the first condensation pipe 7 and the first cooling mechanism 3, and between the first cooling mechanism 3 and the container 1 may be realized by using a hose as long as the connection between the hose and the circulation pump 2, the first condensation pipe 7, and the first cooling mechanism 3 is not leaked, so that the movement of the positions of the container 1, the first cooling mechanism 3, the circulation pump 2, and the like can be facilitated.
In the embodiment of the application, with the circulating pump, second cooling body, the outer tube of first condenser pipe, first cooling body and container communicate through the hose in proper order, after the power is the circulating pump power supply, the coolant of splendid attire in the circulating pump suction container flows through the outer tube of first condenser pipe after radiator and the cooling fan that second cooling body includes cool off to realize with the heat exchange of the interior vapor of the inner tube of first condenser pipe, realize the cooling to vapor. And then, the cooling medium after heat exchange is cooled by the first cooling mechanism and flows back to the container, so that the cooling medium is recycled, the waste of the cooling mechanism is avoided, and the cooling effect of the cooling medium on water vapor is ensured.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a heat sink for moisture content detects, a serial communication port, the heat sink includes: the device comprises a container (1), a circulating pump (2), a first cooling mechanism (3) and a power supply (4);
the liquid outlet of the circulating pump (2) is used for being communicated with the liquid inlet of the outer pipe of the first condensation pipe, the liquid inlet of the first cooling mechanism (3) is used for being communicated with the liquid outlet of the outer pipe of the first condensation pipe, the liquid outlet of the first cooling mechanism (3) is communicated with the container (1), and the power supply (4) is electrically connected with the circulating pump (2);
the container (1) is used for containing a cooling medium, and the circulating pump (2) is used for pumping the cooling medium contained in the container (1).
2. The cooling device according to claim 1, wherein the circulation pump (2) is located inside the container (1) and is fixed to the bottom of the container (1).
3. The cooling device according to claim 1, wherein the circulation pump (2) is located outside the container (1), and a liquid inlet of the circulation pump (2) is communicated with a liquid outlet of the solution.
4. The cooling device according to claim 3, wherein the liquid outlet of the first cooling mechanism (3) is communicated with the liquid inlet of the container (1), and the liquid inlet of the container (1) is located above the liquid outlet.
5. The cooling device according to any one of claims 1 to 4, wherein the first cooling mechanism (3) comprises a radiator (31), a liquid inlet of the radiator (31) is used for being communicated with a liquid outlet of the outer pipe of the first condensation pipe, and a liquid outlet of the radiator (31) is communicated with the container (1).
6. The cooling device according to claim 5, wherein the first cooling mechanism (3) further comprises: cooling fan (32), the thermantidote is used for to flowing through cooling medium in radiator (31) cools down, cooling fan (32) with power (4) electricity is connected.
7. Cooling device according to claim 6, characterized in that the plane of the radiator (31) is parallel to the plane of the cooling fan (32).
8. The cooling device according to claim 1, further comprising a second cooling mechanism (5), wherein a liquid inlet of the second cooling mechanism (5) is communicated with a liquid outlet of the circulating pump (2), and a liquid outlet of the second cooling mechanism (5) is used for being communicated with a liquid inlet of the outer tube of the first condensation tube.
9. The cooling device according to claim 1, characterized in that it further comprises a third cooling means (6);
the liquid outlet of the first cooling mechanism (3) is communicated with the liquid inlet of the outer pipe of the second condensation pipe, the liquid inlet of the third cooling mechanism (6) is communicated with the liquid outlet of the outer pipe of the second condensation pipe, and the liquid outlet of the third cooling mechanism (6) is communicated with the container (1).
10. The cooling device according to claim 1, wherein the circulating pump (2) is in communication with the outer pipe of the first condensation duct, the first cooling mechanism (3) is in communication with the outer pipe of the first condensation duct, and the first cooling mechanism (3) is in communication with the container (1) through hoses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910478360.5A CN112034142A (en) | 2019-06-03 | 2019-06-03 | Cooling device for moisture content detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910478360.5A CN112034142A (en) | 2019-06-03 | 2019-06-03 | Cooling device for moisture content detection |
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| CN112034142A true CN112034142A (en) | 2020-12-04 |
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| CN201910478360.5A Pending CN112034142A (en) | 2019-06-03 | 2019-06-03 | Cooling device for moisture content detection |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202570220U (en) * | 2012-05-22 | 2012-12-05 | 保定市金科汇电子有限公司 | Experimental cooling device |
| CN202876849U (en) * | 2012-10-02 | 2013-04-17 | 郭达 | Water-saving condensing device |
| CN204648799U (en) * | 2015-05-17 | 2015-09-16 | 中国石油化工股份有限公司 | Oil in test of crude cooling water economizer cycle |
| CN105413215A (en) * | 2015-12-18 | 2016-03-23 | 济南盛泰电子科技有限公司 | Liquid distillation condensation device |
| CN205383836U (en) * | 2016-01-07 | 2016-07-13 | 盐城帝盛化工有限公司 | Recirculated cooling water device |
| CN109420358A (en) * | 2017-08-27 | 2019-03-05 | 于蜀祥 | Circular form condenser pipe |
-
2019
- 2019-06-03 CN CN201910478360.5A patent/CN112034142A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202570220U (en) * | 2012-05-22 | 2012-12-05 | 保定市金科汇电子有限公司 | Experimental cooling device |
| CN202876849U (en) * | 2012-10-02 | 2013-04-17 | 郭达 | Water-saving condensing device |
| CN204648799U (en) * | 2015-05-17 | 2015-09-16 | 中国石油化工股份有限公司 | Oil in test of crude cooling water economizer cycle |
| CN105413215A (en) * | 2015-12-18 | 2016-03-23 | 济南盛泰电子科技有限公司 | Liquid distillation condensation device |
| CN205383836U (en) * | 2016-01-07 | 2016-07-13 | 盐城帝盛化工有限公司 | Recirculated cooling water device |
| CN109420358A (en) * | 2017-08-27 | 2019-03-05 | 于蜀祥 | Circular form condenser pipe |
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Application publication date: 20201204 |
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