CN211562412U

CN211562412U - Multistage gas condensation, absorption and enrichment pipe

Info

Publication number: CN211562412U
Application number: CN201921911849.9U
Authority: CN
Inventors: 于鲜莉; 燕宝峰; 贺宇; 陈波; 谢明佐; 刘涛玮; 刘天宇; 李波; 李冠男; 付楚珺; 闫旭
Original assignee: Inner Mongolia Electric Power Research Institute of Inner Mongolia Power Group Co Ltd
Current assignee: Inner Mongolia Electric Power Research Institute of Inner Mongolia Power Group Co Ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-09-25
Anticipated expiration: 2029-11-07

Abstract

The utility model provides a multistage gas condensation absorption enrichment pipe with simple structure and reasonable design, which adopts multistage condensation absorption to effectively improve the gas enrichment and concentration effect, and has convenient operation, low production cost and strong practicability aiming at the problems of large liquid consumption, insufficient single-stage absorption, complex assembly of the traditional multistage absorption equipment, complex liquid collection and the like; a condensed water outlet is formed in the top of the shell interlayer, a condensed water inlet is formed in the bottom of the shell interlayer, and condensed water flows in the interlayer of the shell through the condensed water outlet and the condensed water inlet to form a low-temperature environment for the shell; the top of the shell is provided with an absorption liquid injection port, the inside of the shell is provided with three layers of absorption devices, the three layers of absorption devices are sequentially arranged in the shell, and a U-shaped bent pipe long pipe of the absorption device positioned at the bottommost end of the shell extends out of the bottom of the container and then is communicated with the evaporation gas input pipe.

Description

Multistage gas condensation, absorption and enrichment pipe

Technical Field

The utility model relates to a multistage gaseous condensation absorption enrichment pipe belongs to gaseous absorption enrichment facility technical field.

Background

In analytical experiments, volatile substances are often tested, and the target substances are often detected with low detection requirements and need to be separated from the matrix, concentrated and enriched for detection. The gas enrichment method comprises two methods of solid adsorption and liquid adsorption. The detection equipment suitable for solid adsorption is generally thermal desorption enrichment equipment, and the popularization rate of the detection equipment in a laboratory is low. The detection equipment suitable for liquid sampling is more, a liquid absorption mode is usually adopted, if the amount of absorption liquid is small in single-stage absorption, the absorption is insufficient, the amount of the used liquid is large, and the gas is difficult to be effectively concentrated, so that the detection rate of a sample with low target gas content is low. At present, a plurality of absorption units are connected in series by using a guide pipe in a common multistage absorption device, the series connection mode is complicated in assembly, the more connecting interfaces are, the higher the gas escape probability is, and therefore, the leakage detection work at multiple positions is required; in addition, after absorption, the liquid is gathered one by one, and the operation is complex. How to realize a gas absorption and enrichment device which has less liquid consumption and can fully absorb gas is always the focus of research of the technicians in the field.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is big to liquid absorption liquid measure, and the single-stage absorption is insufficient, and traditional multistage absorption equipment is loaded down with trivial details, and the complicated scheduling problem of album liquid provides a simple structure, reasonable in design's multistage gas condensation absorbs enrichment pipe, adopts multistage condensation to absorb, has improved the concentrated effect of gas enrichment effectively to convenient operation, low in production cost, the practicality is strong.

In order to solve the technical problem, the utility model discloses a technical scheme be: a multi-stage gas condensation absorption enrichment pipe comprises a shell with an interlayer, wherein a condensed water outlet is formed in the top of the interlayer of the shell, a condensed water inlet is formed in the bottom of the interlayer of the shell, and condensed water flows in the interlayer of the shell through the condensed water outlet and the condensed water inlet to form a low-temperature environment for the shell;

the top of casing is provided with absorption liquid inlet, the inside of casing is provided with three-layer absorbing device, the three-layer absorbing device sets gradually in the inside of casing, absorbing device's structure includes: the device comprises a circular disc body clamped on the inner side wall of a shell, wherein a seal is formed between the outer side wall of the circular disc body and the inner side wall of the shell, a container used for storing absorption liquid is arranged in the middle of the circular disc body, a liquid discharge valve is arranged at the bottom of the container, an overflow port is formed in the upper end, close to the container, of the container, a U-shaped bent pipe is arranged in the container, a pipe on one side of the U-shaped bent pipe is longer than a pipe on the other side of the U-shaped bent pipe, the U-shaped bent pipe is reversely buckled in the container, a pipe on the longer side of the U-shaped bent pipe penetrates through the bottom of;

and a U-shaped bent pipe long pipe of the absorption device positioned at the bottommost end of the shell extends out of the bottom of the container and then is communicated with the evaporation gas input pipe.

The container of the circular tray body is a container marked with a rated volume.

The absorption device positioned at the bottommost layer of the shell is fixedly arranged at the bottom of the shell or shares the bottom with the shell.

The overflow port of the absorption device positioned at the bottommost layer of the shell is communicated with the outside of the shell, and the absorption liquid flowing out from the overflow port is guided into the external container through a conduit.

The evaporation gas input pipe penetrates through the bottom of the shell and then is connected with a U-shaped bent pipe of the absorption device positioned at the bottommost layer of the shell.

Compared with the prior art, the utility model beneficial effect who has is: the utility model discloses well outside evaporating gas utilizes the casing to press from both sides intraformational comdenstion water cooling and makes it tend to the liquefaction from the bottom entering back, increases its solubility, and the gas that gets into in the casing moreover makes it dissolve in the absorption liquid completely through three-layer absorbing device in proper order, increases the accuracy of test, the utility model discloses a multistage condensation is absorbed, has improved the concentrated effect of gas enrichment effectively to convenient operation, low in production cost, the practicality is strong.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1 is a shell, 2 is a condensed water outlet, 3 is a condensed water inlet, 4 is an absorption liquid injection port, 5 is an absorption device, 51 is a circular disc body, 52 is a drain valve, 53 is an overflow port, 54 is a U-shaped bent pipe, and 6 is an evaporation gas input pipe.

Detailed Description

As shown in fig. 1, the utility model relates to a multistage gas condensation absorption enrichment pipe, which comprises a shell 1 with an interlayer, wherein the top of the interlayer of the shell 1 is provided with a condensed water outlet 2, the bottom of the interlayer of the shell 1 is provided with a condensed water inlet 3, and condensed water flows in the interlayer of the shell 1 through the condensed water outlet 2 and the condensed water inlet 3, so as to make a low-temperature environment for the shell 1;

the top of casing 1 is provided with absorption liquid inlet 4, the inside of casing 1 is provided with three-layer absorbing device 5, the three-layer absorbing device 5 sets gradually in the inside of casing 1, absorbing device 5's structure includes: the device comprises a circular disc body 51 clamped on the inner side wall of a shell 1, wherein a seal is formed between the outer side wall of the circular disc body 51 and the inner side wall of the shell 1, a sealing gasket can be arranged between the outer side wall of the circular disc body 51 and the inner side wall of the shell 1 or the contact position of the sealing gasket and the inner side wall of the shell 1 is in flexible extrusion contact, the sealing gasket and the inner side wall form a seal, the two seals are conventional means, a container for storing absorption liquid is arranged in the middle of the circular disc body 51, a liquid discharge valve 52 is arranged at the bottom of the container, an overflow port 53 is arranged at the upper end, close to the container, a U-shaped bent pipe 54 is arranged in the container, one side of the U-shaped bent pipe 54 is longer than the other side of the U-shaped bent pipe 54, the U-shaped bent pipe 54 is reversely buckled;

the U-shaped bent pipe 54 of the absorption device 5 at the lowest end of the shell 1 extends out of the bottom of the container and is communicated with the evaporation gas input pipe 6.

The container of the circular tray body 51 is a container marked with a rated volume.

The absorption device 5 at the lowest layer of the casing 1 is fixedly arranged at the bottom of the casing 1 or shares the bottom with the casing 1.

The overflow port 53 of the absorption device 5 positioned at the lowest layer of the casing 1 is communicated with the outside of the casing 1, and the absorption liquid flowing out from the overflow port 53 is guided into an external container through a conduit.

The evaporation gas input pipe 6 penetrates through the bottom of the shell 1 and is connected with a U-shaped bent pipe 54 of the absorption device 5 positioned at the bottommost layer of the shell 1.

The present invention will be described in detail with reference to the following embodiments.

The utility model relates to a multistage absorption tube of integral type possesses the condensation function simultaneously. The tube body is made of double-layer transparent glass, a condensed water interface is respectively arranged below and above the tube body, water enters from the lower part of the tube body, water exits from the upper part of the tube body, and a circular opening is arranged at the top of the tube body. The bottom interlayer of each layer of absorption unit is of a concave structure so as to facilitate the liquid to gather towards the middle. A small round hole is arranged in the middle of the concave interlayer, and the opening and closing state of the hole is controlled by a switch valve in the partition board. The switch valve is provided with a round hole at the position corresponding to the liquid discharge hole, the switch valve is rotated to enable the round hole to correspond to the liquid discharge hole, the upper and lower adjacent absorption layers are in a communicated state, and the liquid on the upper layer flows into the lower layer. The upper layer and the lower layer of liquid are in an isolated state.

The air duct of each interlayer is "n" shape, and it communicates with each other with upper and lower two-layer, and the opening of upper portion interlayer part is down, is close to the interlayer bottom, and the liquid switch valve that relates to is the polytetrafluoroethylene material, the utility model discloses well condensate water bottom injection interface, absorption liquid outside discharge port, outside evaporation gas leading-in interface are double-deck pagoda mechanism.

The working process of the utility model mainly comprises:

1. injected gas absorbing agent

Close the bottom ooff valve, other ooff valves in the middle of open, the absorption reagent of certain volume is got from the absorption liquid filling opening (be non-dissolved gas discharge port simultaneously) and is injected into to the graduated flask volume, and reagent flows into the gaseous absorption unit of bottom (one-level absorption unit promptly) through the inside leakage fluid dram of top layer absorption unit and the inside leakage fluid dram of middle level absorption unit, and it is one-level absorption unit to need notice, will guarantee that the reagent of injecting into will be able to be with the gaseous export submergence of bottom air duct, and the liquid level will be less than the crooked position of bottom air duct simultaneously. To ensure that gas is absorbed and liquid does not flow backwards.

2. Connecting condensate water

And external condensed water pipes with matched specifications are respectively sleeved on the condensed water bottom injection connector and the condensed water outlet connector and are tightly tied by a rolling belt, so that the lower part is ensured to enter and the upper part is ensured to exit, and the condensed water is communicated.

3. Gas-guide tube connection

The external gas conduit to be absorbed is connected with the external evaporated gas inlet port to ensure the air tightness.

4. Collecting the absorption liquid

The device (such as a beaker) used for collecting the gas absorption solution outside is arranged right below the external discharge port of the absorption liquid, the bottom layer liquid discharge switch valve, the middle layer liquid discharge switch valve and the top layer liquid discharge switch valve are opened at one time, and the liquid level height is higher than the bottom layer air guide pipe when the total amount of liquid is concentrated in the bottommost layer absorption unit, so that the absorption solution flows out from the air guide pipe.

The basic principle and the main features of the present invention and the advantages of the present invention are shown and described above, and the used standard parts can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the attached drawings, the specific connection mode of each part adopts the conventional means such as bolt and rivet, welding, etc. matured in the prior art, and the conventional models are not detailed here.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The multistage gas condensation, absorption and enrichment pipe is characterized by comprising a shell (1) with an interlayer, wherein a condensed water outlet (2) is formed in the top of the interlayer of the shell (1), a condensed water inlet (3) is formed in the bottom of the interlayer of the shell (1), and condensed water flows in the interlayer of the shell (1) through the condensed water outlet (2) and the condensed water inlet (3) so as to manufacture a low-temperature environment for the shell (1);

the top of casing (1) is provided with absorption liquid inlet (4), the inside of casing (1) is provided with three-layer absorbing device (5), the three-layer absorbing device (5) set gradually in the inside of casing (1), absorbing device's (5) structure includes: the round tray body (51) is connected to the inner side wall of the shell (1) in a clamped mode, a seal is formed between the outer side wall of the round tray body (51) and the inner side wall of the shell (1), a container used for storing absorption liquid is arranged in the middle of the round tray body (51), a liquid discharge valve (52) is arranged at the bottom of the container, an overflow port (53) is formed in the upper end, close to the container, of the container, a U-shaped bent pipe (54) is arranged in the container, one side of the U-shaped bent pipe (54) is longer than the other side of the U-shaped bent pipe, the U-shaped bent pipe (54) is buckled in the container in an inverted mode, the pipe on the longer side of the U-shaped bent pipe penetrates through the bottom of the container, the;

the long pipe of a U-shaped bent pipe (54) of the absorption device (5) positioned at the bottommost end of the shell (1) extends out of the bottom of the container and then is communicated with the evaporation gas input pipe (6).

2. The multistage gas condensing, absorbing and enriching tube as claimed in claim 1, wherein the container of said circular tray body (51) is a container marked with a rated volume.

3. The multistage gas condensation absorption enrichment pipe of claim 1, wherein the absorption device (5) positioned at the bottommost layer of the shell (1) is fixedly arranged at the bottom of the shell (1) or shares the bottom with the shell (1).

4. The multistage gas condensation, absorption and enrichment pipe as claimed in claim 1, characterized in that an overflow port (53) of the absorption device (5) positioned at the lowest layer of the shell (1) is communicated with the outside of the shell (1), and absorption liquid flowing out from the overflow port (53) is guided into an external container through a conduit.

5. The multistage gas condensation absorption enrichment pipe according to claim 3, characterized in that the evaporation gas input pipe (6) penetrates through the bottom of the shell (1) and is connected with a U-shaped bent pipe (54) of the absorption device (5) positioned at the lowest layer of the shell (1).