CN-224230499-U - Dehumidifying device for low-temperature vacuum drying equipment

Abstract

The utility model discloses a dehumidifying device for low-temperature vacuum drying equipment, which comprises a box body, wherein a compressor, a condenser and at least one evaporator are arranged in the box body, the condenser is correspondingly provided with a condenser fan, each evaporator is a double-pipe heat exchanger, the shell side of each double-pipe heat exchanger is respectively provided with an inlet connecting pipe and an outlet connecting pipe, the shell side of each double-pipe heat exchanger is respectively connected with a condensate pipe, each condensate pipe is respectively connected with a condensate cup, and each condensate cup is respectively provided with an exhaust pipe and a drain pipe. The dehumidifying device for the low-temperature vacuum drying equipment can be conveniently connected in series in the pipeline of the low-temperature vacuum drying equipment, and the generated pressure loss is extremely small, so that the stable and efficient operation of the vacuum drying equipment is ensured.

Inventors

• FU LIANG

Assignees

• 东莞市捷新检测设备有限公司

Dates

Publication Date

20260512

Application Date

20250616

Claims (7)

1. 1. A dehumidifying device for low-temperature vacuum drying equipment comprises a box body, wherein a compressor, a condenser and at least one evaporator are arranged in the box body; the condenser is correspondingly provided with a condenser fan, and is characterized in that each evaporator is a double-pipe heat exchanger, the shell side of each double-pipe heat exchanger is respectively provided with an inlet connecting pipe and an outlet connecting pipe, the shell side of each double-pipe heat exchanger is respectively connected with a condensate water pipe, each condensate water pipe is respectively connected with a condensate water cup, and each condensate water cup is respectively provided with an exhaust pipe and a drain pipe.
2. 2. A dehumidifying device for a low-temperature vacuum drying apparatus as claimed in claim 1, wherein two double pipe heat exchangers are provided in total, the two double pipe heat exchangers having the same specification.
3. 3. The dehumidifying device for low-temperature vacuum drying apparatus as claimed in claim 1 or 2, wherein each double pipe heat exchanger is disposed obliquely, an outlet end of the shell side is lower than an inlet end of the shell side, and the condensate pipe is disposed at a lower end of the double pipe heat exchanger.
4. 4. A dehumidifying apparatus for a low temperature vacuum drying apparatus as claimed in claim 1 or 2, wherein a first electromagnetic valve is provided on each exhaust pipe, and a second electromagnetic valve is provided on each exhaust pipe.
5. 5. The dehumidifying apparatus for a low temperature vacuum drying apparatus according to claim 1 or 2, wherein the air inlet is provided at a position corresponding to the condenser on the cabinet, and the air outlet is provided opposite to the air inlet on the cabinet.
6. 6. The dehumidifying apparatus for low temperature vacuum drying equipment of claim 5, wherein the condenser is a plate heat exchanger and the condenser fan is an axial flow fan.
7. 7. The dehumidifying apparatus for a low temperature vacuum drying appliance of claim 5, wherein the compressor is located between the condenser fan and the air outlet.

Description

Dehumidifying device for low-temperature vacuum drying equipment Technical Field The utility model relates to the technical field of drying, in particular to a dehumidifying device for low-temperature vacuum drying equipment. Background Some objects to be dried have special and severe requirements on drying conditions, and materials such as soil which are needed in a laboratory are taken as examples, and the materials cannot be dried under the conditions of high temperature and atmospheric flow, but are dried under the conditions of low temperature (for example, less than 40 ℃) and vacuum pumping by using low-temperature vacuum drying equipment. When the vacuum pump is used for vacuumizing, moisture contained in the airflow must be dehumidified, so that the moisture cannot enter the vacuum pump to damage the vacuum pump. The industrial dehumidifying device in the prior art is usually directly placed in a workshop for dehumidifying the workshop, and the structure is not used for being connected in series in a pipeline, so that the industrial dehumidifying device is difficult to directly connect with the low-temperature vacuum drying equipment. In view of the foregoing technical problems, the present utility model proposes a dehumidifying device specifically used for a low-temperature vacuum drying apparatus, which can be connected in series in a pipeline of the low-temperature vacuum drying apparatus, and generates a small pressure loss. Disclosure of utility model In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a dehumidifying device for a low-temperature vacuum drying apparatus, which aims to solve the technical problem that the dehumidifying device in the prior art is difficult to be directly connected in series in a pipeline of the low-temperature vacuum drying apparatus. In order to achieve the above purpose, the utility model adopts the following technical scheme: A dehumidifying device for low-temperature vacuum drying equipment comprises a box body, wherein a compressor, a condenser and at least one evaporator are arranged in the box body, a condenser fan is correspondingly arranged in the condenser, each evaporator is a double-pipe heat exchanger, an inlet connecting pipe and an outlet connecting pipe are respectively arranged on the shell side of each double-pipe heat exchanger, a condensation water pipe is respectively connected to the shell side of each double-pipe heat exchanger, a condensation water cup is respectively connected to each condensation water pipe, and an exhaust pipe and a drain pipe are respectively arranged on each condensation water cup. Further, the dehumidifying device for the low-temperature vacuum drying equipment is provided with two double-pipe heat exchangers, and the specifications of the two double-pipe heat exchangers are the same. Further, in the dehumidifying device for the low-temperature vacuum drying equipment, each sleeve heat exchanger is obliquely arranged, the outlet end of the shell pass is lower than the inlet end of the shell pass, and the condensate pipe is positioned at the lower end of the sleeve heat exchanger. Further, in the dehumidifying device for the low-temperature vacuum drying equipment, each exhaust pipe is provided with a first electromagnetic valve, and each exhaust pipe is provided with a second electromagnetic valve. Further, in the dehumidifying device for the low-temperature vacuum drying equipment, an air inlet is formed in the box body corresponding to the condenser, and an air outlet is formed in the box body opposite to the air inlet. Further, in the dehumidifying device for the low-temperature vacuum drying equipment, the condenser is a plate heat exchanger, and the condenser fan is an axial flow fan. Further, in the dehumidifying apparatus for a low temperature vacuum drying device, the compressor is located between the condenser fan and the air outlet. The utility model provides a dehumidifying device for low-temperature vacuum drying equipment, which has at least the following advantages compared with the prior art: (1) The dehumidifying device has the advantages of strong adaptability and small pressure loss, is unique in structural design, can be conveniently and rapidly connected in a pipeline of low-temperature vacuum drying equipment in series, and has extremely low pressure loss, so that the stable and efficient operation of the vacuum drying equipment is ensured, the interference of pressure change on the drying process is avoided, and the drying quality of materials to be dried is ensured. (2) The efficient dehumidification protection device greatly increases the contact and heat exchange area with the humid gas by further arranging two double-pipe heat exchangers with the same specification, so that more water vapor is rapidly liquefied, and the dehumidification efficiency is remarkably improved. The vacuum pump can effectively prevent moisture from entering the vac