CN106198125A - A kind of gas extraction and collection device - Google Patents

Abstract

The invention discloses a gas extraction and collection device, a collection cup, a heat conduction plate and a cold trap, the collection cup is fixedly arranged on the heat conduction plate, and the heat conduction plate is arranged at the top seal of the cold trap; the collection cup includes a cup body and a top cover , the top cover is fixedly connected to the top of the cup body, the bottom of the heat conduction plate is fixedly connected with several heat conduction pipes, and the heat conduction pipes are placed in the cold trap. The gas extraction and collection device in the present invention is equipped with a heat conduction plate and a plurality of heat conduction tubes to cool the collection cup at the same time, and the efficiency is faster; the cross section of the collection cup is set as a trapezoid with a long bottom side and a short top side, which is beneficial to increase The contact area between the collection cup and the heat conduction plate shortens the cooling time and improves the work efficiency. The protective sleeve is installed because the surface temperature of the collection cup is lower after cooling. In order to avoid frostbite for the operator, take the collection cup through the protective sleeve.

Description

A gas extraction and collection device

technical field

The invention relates to the technical field of water vapor collection, in particular to a gas extraction and collection device.

Background technique

Water vapor refers to the gaseous water existing in the atmosphere, which is of great significance to the global ecology, climate and environment. The diffusion and transportation of water vapor is an important part of the water cycle on the earth, and it is the link that connects sea water, land water and air water. It is through the diffusion movement that the seawater and land water are continuously evaporated into the air, transported to all parts of the world with the air current, condensed and returned to the ocean and land in the form of precipitation.

In my country, in the study of water vapor extraction and collection, it is more important to study the extraction and collection of water vapor in the cold and perennial frozen environment of the Qinghai-Tibet Plateau. However, due to the complex environment of the Qinghai-Tibet Plateau, large-scale gas extraction and collection devices will bring great inconvenience to scientific research personnel, and the existing gas extraction and collection devices have poor collection effect and long collection time, which reduces the scientific research. s efficiency.

Therefore, for researchers, the development of a gas extraction and collection device suitable for the Qinghai-Tibet Plateau and other cold regions has become a very urgent demand at present.

Contents of the invention

The object of the present invention is to provide a gas extraction and collection device to solve the above-mentioned problems in the prior art, so that the gas extraction and collection device is easy to manufacture, easy to carry, and has high collection efficiency.

In order to achieve the above object, the present invention provides the following scheme: the present invention provides a gas extraction and collection device, which is characterized in that: a collection cup, a heat conduction plate and a cold trap, the collection cup is fixedly arranged on the heat conduction plate, the The heat conduction plate is arranged at the top seal of the cold trap; the collection cup includes a cup body and a top cover, the top cover is fixedly connected to the top of the cup body, and the bottom end of the heat conduction plate is fixedly connected with several A heat pipe, the heat pipe is placed in the cold trap.

Optionally, the cross section of the collection cup is a trapezoid with a long bottom side and a short top side.

Optionally, the collection cup is made of stainless steel.

Optionally, the top cover includes a rubber plug and a handle, the handle is fixedly arranged at the center of the top end of the rubber plug, and a sealing ring is provided at the joint between the cup and the top cover.

Optionally, both the heat conduction plate and the heat conduction pipe are made of red copper.

Optionally, a protective sheath is wrapped on the outside of the collection cup.

Optionally, a cold medium is placed in the chamber of the cold trap.

Optionally, the cold medium is liquid nitrogen.

Compared with the prior art, the present invention has achieved the following technical effects:

The gas extraction and collection device in the present invention is equipped with a heat conduction plate and a plurality of heat conduction tubes to cool the collection cup at the same time, and the efficiency is faster; the cross section of the collection cup is set as a trapezoid with a long bottom side and a short top side, which is beneficial to increase The contact area between the collection cup and the heat conduction plate shortens the cooling time and improves the work efficiency. The setting of the protective cover is because the surface temperature of the collection cup is lower after cooling.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without paying creative labor.

Fig. 1 is the overall structure schematic diagram of the gas extraction and collection device of the present invention;

Among them, 1 handle; 2 rubber plug; 3 protective cover; 4 collecting cup; 5 heat conducting plate; 6 heat conducting pipe; 7 cold trap; 8 sealing ring.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The object of the present invention is to provide a gas extraction and collection device to solve the above-mentioned problems in the prior art, so that the gas extraction and collection device is easy to manufacture, easy to carry, and has high collection efficiency.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Please refer to FIG. 1 , wherein FIG. 1 is a schematic diagram of the overall structure of the gas extraction and collection device of the present invention.

Embodiment one

As shown in Figure 1, the present embodiment provides a gas extraction and collection device, a collection cup 4, a heat conduction plate 5 and a cold trap 7, the collection cup 4 is fixedly arranged on the heat conduction plate 5, and the heat conduction plate 5 is arranged on the bottom of the cold trap 7 At the top seal; the collection cup 4 includes a cup body and a top cover, the top cover is fixedly connected to the top of the cup body, and the bottom end of the heat conducting plate 5 is fixedly connected with some heat conducting pipes 6, and the heat conducting pipes 6 are placed in the cold trap 7.

In the gas extraction and collection device in this embodiment, after the top cover of the collection cup 4 is fixed and sealed on the cup body, the collection cup 4 is placed on the heat conduction plate 5, and the heat conduction plate 5 is refrigerated by the cold trap 7, The arrangement of a plurality of heat conducting pipes 6 helps to quickly cool and transfer heat to the heat conducting plate 5, and then according to the principle of heat conduction, the temperature of the collecting cup 4 will gradually decrease as the temperature of the heat conducting plate 5 decreases until the collecting cup 4 Liquefaction of gas occurs on the inner wall and bottom surface of the gas; after the extraction and collection of the gas is completed, the collection cup 4 is removed from the heat conduction plate 5, and the top cover of the collection cup 4 is opened to obtain the sample. Experimental operation.

Embodiment two

As shown in Figure 1, this embodiment provides a gas extraction and collection device. On the basis of Embodiment 1, the gas extraction and collection device in this embodiment also has the following characteristics:

The cross-section of the collection cup 4 is a trapezoid with a long bottom and a short top side, which increases the contact area between the collection cup 4 and the heat conducting plate 5, speeds up the energy transfer, and realizes rapid cooling of the collection cup 4.

The collection cup 4 is made of stainless steel, and the wall of the collection cup 4 is hollow. A refrigerant agent is added in the hollow chamber of the collection cup 4, which plays a certain auxiliary role in the cooling of the collection cup 4 and accelerates the cooling of the collection cup 4 temperature. reduce.

The top cover includes a rubber plug 2 and a handle 1. The handle 1 is fixed at the center of the top of the rubber plug 2, and a sealing ring 8 is provided at the connection between the cup body and the top cover of the rubber plug 2; the rubber plug 2 has better sealing performance than the threaded connection. , and then set a sealing ring 8 at the connection between the cup body and the rubber plug 2 to play a secondary sealing role. Through the setting of the handle 1, the rubber plug 2 can be easily removed after the gas collection is completed.

Both the heat conducting plate 5 and the heat conducting pipe 6 are made of red copper.

The outside of the collection cup 4 is wrapped with a protective cover 3. Since the temperature of the collection cup 4 decreases during the gas collection process, the protective cover 3 plays a protective role when the operator removes the collection cup 4 after the gas collection is completed, preventing frostbite.

A cold medium is housed in the chamber of the cold trap 7, and the cold medium adopts liquid nitrogen.

In the present invention, specific examples have been used to illustrate the principle and implementation of the present invention. The description of the above embodiments is only used to help understand the method and core idea of the present invention; meanwhile, for those of ordinary skill in the art, according to the present invention The idea of the invention will have changes in the specific implementation and scope of application. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims (8)

1. A gas extraction and collection device, characterized in that: a collection cup, a heat conduction plate and a cold trap, the collection cup is fixedly arranged on the heat conduction plate, and the heat conduction plate is arranged at the top seal of the cold trap The collecting cup includes a cup body and a top cover, the top cover is fixedly connected to the top of the cup body, and the bottom end of the heat conducting plate is fixedly connected with some heat conducting pipes, and the heat conducting pipes are placed in the cold trap middle. 2. A gas extraction and collection device according to claim 1, characterized in that: the cross section of the collection cup is a trapezoid with a long bottom side and a short top side. 3. A gas extraction and collection device according to claim 1, wherein the collection cup is made of stainless steel. 4. A gas extraction and collection device according to claim 1, characterized in that: the top cover includes a rubber plug and a handle, the handle is fixed at the center of the top of the rubber plug, and the cup body and the A sealing ring is arranged at the rubber plug joint of the top cover. 5 . The gas extraction and collection device according to claim 1 , wherein the heat conduction plate and the heat conduction pipe are both made of red copper. 6 . 6. A gas extraction and collection device according to claim 1, characterized in that: the outer side of the collection cup is wrapped with a protective sheath. 7. A gas extraction and collection device according to claim 1, characterized in that: a cold medium is placed in the chamber of the cold trap. 8. A gas extraction and collection device according to claim 7, characterized in that: the cold medium is liquid nitrogen.