CN218188004U

CN218188004U - Double-temperature cold trap device

Info

Publication number: CN218188004U
Application number: CN202222583041.0U
Authority: CN
Inventors: 谢伟民; 马国昌
Original assignee: Yiheng Life Science Instrument Kunshan Co ltd
Current assignee: Yiheng Life Science Instrument Kunshan Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-01-03
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to a cold-trap technical field refers in particular to a dual temperature cold-trap device, including drying equipment, 1# cold-trap, 2# cold-trap, the vacuum pump, refrigeration module and controller, drying equipment passes through the trachea and connects in 1# cold-trap, 1# cold-trap passes through the trachea and connects in 2# cold-trap, 2# cold-trap passes through the trachea and connects in the vacuum pump, the refrigeration module passes through the refrigeration pipe and connects respectively in 1# cold-trap and 2# cold-trap, be equipped with on the refrigeration module and be used for controlling the refrigerator in 1# cold-trap and 2# cold-trap respectively, be equipped with temperature sensor in 1# cold-trap and the 2# cold-trap respectively, temperature sensor in 1# cold-trap and the 2# cold-trap is connected respectively in the controller, the controller is connected in the refrigeration module. By adopting the structure, the double-trap heat exchange area is large, the substances are easy to condense, the temperature of the double traps is independently adjustable, the condensing efficiency is high, meanwhile, various melting point substances can be recycled, the recycling efficiency is high, the vacuum pump is effectively protected, the structure is simple, the operation is convenient and safe, and the later-stage replacement and maintenance are easy.

Description

Double-temperature cold trap device

Technical Field

The utility model relates to a cold trap technical field refers in particular to a two temperature cold trap devices.

Background

At present, a common cold trap on the market generally only consists of one trap body, and substance condensation, dehumidification and recovery can be completed only in one trap body. It has the following disadvantages: 1) The heat exchange area in the single trap is relatively small, and partial substances cannot be completely condensed; 2) The melting point temperatures of the substances are different, so that the substances cannot be separated and recovered simultaneously; 3) The trap can not be provided with two different temperature points, the recovery range is limited, two devices are required to be used when necessary, the structure is complex, the installation is troublesome, and the later maintenance is difficult.

Therefore, there is a need for improvement of the prior art.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a two temperature cold-trap devices effectively solves the not enough of prior art.

In order to achieve the above purpose, the utility model discloses the technical scheme who uses as follows:

the utility model provides a two temperature cold-trap devices, including drying equipment, 1# cold-trap, 2# cold-trap, the vacuum pump, refrigeration module and controller, drying equipment passes through the trachea and connects in 1# cold-trap, 1# cold-trap passes through the trachea and connects in 2# cold-trap, 2# cold-trap passes through the trachea and connects in the vacuum pump, the refrigeration module is connected respectively in 1# cold-trap and 2# cold-trap through the refrigeration pipe, be equipped with on the refrigeration module and be used for controlling the refrigerator in 1# cold-trap and 2# cold-trap respectively, be equipped with temperature sensor in 1# cold-trap and the 2# cold-trap respectively, temperature sensor in 1# cold-trap and the 2# cold-trap is connected respectively in the controller, the controller is connected in the refrigeration module.

According to the scheme, the 1# cold trap and the 2# cold trap are connected in series or in parallel through the air pipe.

According to the scheme, the 1# cold trap is connected with a first liquid storage tank through a water pipe, and a first switch valve is arranged on the water pipe.

According to the scheme, the 2# cold trap is connected with a second liquid storage tank through a water pipe, and a second switch valve is arranged on the water pipe.

The utility model discloses beneficial effect:

1) The double-trap heat exchange area is large, and substances are easy to condense;

2) The temperature of the double traps is independently adjustable, and the condensation efficiency is high;

3) Simultaneously, a plurality of melting point substances can be recovered;

4) The recovery efficiency is high, and the vacuum pump is effectively protected;

5) Simple structure convenient operation safety, the easy maintenance of changing in later stage.

Drawings

FIG. 1 is an overall structure of the present invention;

in the figure: 1. a drying device; 2. 1# cold trap; 3. 2# cold trap; 4. a vacuum pump; 5. a refrigeration module; 6. a controller; 7. a first reservoir; 8. a second reservoir; 9. a first on-off valve; 10. and a second on-off valve.

Detailed Description

The technical solution of the present invention will be described below with reference to the accompanying drawings and examples.

As shown in fig. 1, a two temperature cold-trap devices, including drying equipment 1, 1# cold-trap 2, 2# cold-trap 3, vacuum pump 4, refrigeration module 5 and controller 6, drying equipment 1 connects in 1# cold-trap 2,1# cold-trap 2 through the trachea and connects in 2# cold-trap 3,2# cold-trap 3 through the trachea, refrigeration module 5 connects in 1# cold-trap 2 and 2# cold-trap 3 respectively through the refrigeration pipe, be equipped with on the refrigeration module 5 and be used for controlling the refrigerator in 1# cold-trap 2 and 2# cold-trap 3 respectively, be equipped with temperature sensor in 1# cold-trap 2 and 2# cold-trap 3 respectively, temperature sensor in 1# cold-trap 2 and 2# cold-trap 3 connects in controller 6 respectively, controller 6 connects in refrigeration module 5. The above structure makes up the utility model basic structure.

It should be noted that the dual-temperature cold trap device of the present invention is mainly applied between the drying apparatus 1 and the vacuum pump 4.

The utility model discloses a such structure setting, its theory of operation: drying equipment 1 is dry with the material, and gas enters into 2 internal coolings of 1# cold trap through the trachea, then cools off once more in entering into 2# cold trap 3 through the trachea, and last gas is through the extraction of vacuum pump 4, and gas is retrieved through twin-trap secondary condensation, and the material contains sour alkaline gas and is totally by low temperature condensation, and the corrosive gas that flows in vacuum pump 4 is few, and extension vacuum pump 4 life to protection vacuum pump 4, its simple structure, simple to operate, and the later maintenance is convenient.

In practical application, the temperature sensors in the 1# cold trap 2 and the 2# cold trap 3 are connected to the controller 6, the temperature in the controllable traps is stable, the required temperature can be preset through the controller 6, when the temperature is different from the preset temperature value, the refrigerator on the controllable refrigeration module 5 works, and the generated saturated refrigerant flows into the traps through throttling to adjust the temperature. Wherein, be equipped with on the refrigeration module 5 and be used for controlling the refrigerator in 1# cold trap 2 and the 3 # cold traps respectively, can adjust the temperature in the trap respectively, set for different condensation temperature according to the material difference to reach good recovery effect.

In the embodiment, the 1# cold trap 2 and the 2# cold trap 3 are connected in series or in parallel through the air pipe. By adopting the structure, different working modes can be selected according to different requirements of substances, when the substances are used in series, the substances sequentially pass through the No. 1 cold trap 2 and the No. 2 cold trap 3, and the substances are sequentially condensed at two different condensation temperatures, so that the recovery effect is better; when the device is used in parallel, the heat exchange and condensation area of the material is increased, and the steam flow of the air pipe is improved.

In this embodiment, the 1# cold trap 2 is connected to a first liquid storage tank 7 through a water pipe, and a first switch valve 9 is arranged on the water pipe. By adopting the structure, liquid generated in the cooling process of the gas in the No. 1 cold trap 2 flows into the first liquid storage tank 7 through the water pipe and is uniformly recovered.

In this embodiment, the 2# cold trap 3 is connected to a second liquid storage tank 8 through a water pipe, and a second switch valve 10 is provided on the water pipe. By adopting the structure, the liquid generated in the cooling process of the gas in the No. 2 cold trap 3 flows into the second liquid storage tank 8 through the water pipe and is uniformly recovered.

The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and these forms are within the scope of the present invention.

Claims

1. A kind of double temperature cold trap device, characterized by: including drying equipment (1), 1# cold-trap (2), 2# cold-trap (3), vacuum pump (4), refrigeration module (5) and controller (6), drying equipment (1) is connected in 1# cold-trap (2) through the trachea, 1# cold-trap (2) is connected in 2# cold-trap (3) through the trachea, 2# cold-trap (3) are connected in vacuum pump (4) through the trachea, refrigeration module (5) are connected respectively in 1# cold-trap (2) and 2# cold-trap (3) through the refrigeration pipe, be equipped with on refrigeration module (5) and be used for controlling the refrigerator in 1# cold-trap (2) and 2# cold-trap (3) respectively, be equipped with temperature sensor in 1# cold-trap (2) and 2# cold-trap (3) respectively, the temperature sensor in 1# cold-trap (2) and 2# cold-trap (3) is connected respectively in controller (6), controller (6) are connected in refrigeration module (5).

2. A dual-temperature cold trap apparatus according to claim 1, wherein: the No. 1 cold trap (2) and the No. 2 cold trap (3) are connected in series or in parallel through air pipes.

3. A dual-temperature cold trap apparatus according to claim 1, wherein: the No. 1 cold trap (2) is connected with a first liquid storage tank (7) through a water pipe, and a first switch valve (9) is arranged on the water pipe.

4. A dual temperature cold trap device according to claim 1, wherein: the 2# cold trap (3) is connected with a second liquid storage pool (8) through a water pipe, and a second switch valve (10) is arranged on the water pipe.