CN-224215626-U - Fluid vacuum cooling equipment capable of automatically monitoring operation

Abstract

The utility model discloses fluid vacuum cooling equipment capable of automatically monitoring operation, which comprises a vacuum cooling chamber with a double-layer stainless steel structure, wherein an interlayer of the vacuum cooling chamber is filled with nano aerogel for heat preservation. The top of the vacuum cooling chamber is provided with porous nozzles distributed in a ring shape and connected with a refrigerating unit to spray low-temperature air flow, and the bottom of the vacuum cooling chamber is provided with a magnetically-driven stirring impeller to enhance the fluid mixing effect. The equipment is equipped with various monitoring devices such as an optical fiber temperature sensor, a capacitance film vacuum gauge, a Coriolis mass flowmeter and the like, so that the real-time monitoring of temperature, vacuum degree and flow is realized. The system also comprises a main and standby redundant vacuum pump set and a dry ice storage refrigeration mechanism, and can realize an efficient, uniform and controlled fluid cooling process. The equipment is widely applicable to the requirements of high purity and high stability cooling environments in the fields of medicines, foods, biological products and the like.

Inventors

• LEI HAIBIN
• SUN HUAIYUAN
• SUN HONGTAO

Assignees

• 江苏锦立冷链科技有限公司
• 江苏万波科立机电设备有限公司

Dates

Publication Date

20260508

Application Date

20250610

Claims (6)

1. 1. The utility model provides a fluid vacuum cooling equipment that can automatic monitoring operation, a serial communication port, including the vacuum cooling chamber, the vacuum cooling chamber be double-deck stainless steel construction, the intermediate layer of shell and inner bag of vacuum cooling chamber fills nano aerogel, the top of vacuum cooling chamber is equipped with the porous nozzle that is annular distribution, the porous nozzle is connected refrigerating unit for jet low temperature air current, the bottom of vacuum cooling chamber is equipped with magnetic force driven impeller, the vacuum cooling chamber links to each other with the vacuum pump group that locates the outside, be equipped with temperature sensor on the inner wall of vacuum cooling chamber, the top and the bottom of vacuum cooling chamber are equipped with electric capacity film vacuum gauge respectively, be equipped with fluid inlet pipeline and fluid outlet pipeline on the vacuum cooling chamber, be equipped with coriolis force mass flowmeter on fluid inlet pipeline and the fluid outlet pipeline.
2. 2. The fluid vacuum cooling device capable of automatically monitoring operation according to claim 1, wherein the outer shell of the vacuum cooling chamber is made of 304L stainless steel material, the inner container is made of 316L stainless steel material, and the inner surface of the inner container is subjected to mirror polishing.
3. 3. The fluid vacuum cooling device capable of automatically monitoring operation according to claim 1, wherein the temperature sensors are optical fiber temperature sensors, the number of the optical fiber temperature sensors is 12, and the optical fiber temperature sensors are distributed in an annular array along the inner wall of the vacuum chamber.
4. 4. The fluid vacuum cooling device capable of automatically monitoring operation according to claim 1, wherein the vacuum pump set comprises a main pump, a standby pump and a vacuum pipeline, the main pump is a dry type spiral vacuum pump, the standby pump is an oil rotary vane pump, and the vacuum pipeline is provided with a pneumatic butterfly valve and a vacuum buffer tank.
5. 5. The automatic operation monitoring fluid vacuum cooling device according to claim 1, wherein the refrigerating unit comprises a dry ice storage chamber, a one-way air inlet valve is arranged on the dry ice storage chamber, the dry ice storage chamber is connected with the air pump through a porous nozzle of a gas pipeline, and the gas pipeline is provided with the air pump.
6. 6. The fluid vacuum cooling device capable of automatically monitoring operation according to claim 1, wherein the central shaft of the stirring impeller is horizontally arranged, and two ends of the stirring impeller are respectively connected with the side wall of the vacuum cooling chamber and horizontally arranged in the vacuum cooling chamber.

Description

Fluid vacuum cooling equipment capable of automatically monitoring operation Technical Field The utility model relates to a fluid vacuum cooling device capable of automatically monitoring operation. Background With the continuous improvement of the requirements of high efficiency, precise control and green environment protection in the modern industry, fluid cooling is being developed towards integration, intellectualization and high performance as a key step in a plurality of process links. In the fields of pharmaceutical manufacturing, biological product processing, fine chemical engineering, food preservation and the like, the fluid materials often need to be rapidly cooled in the treatment process to inhibit chemical reaction, by-product generation or bacterial reproduction, so that the product quality and the process safety are ensured. The traditional cooling mode generally adopts a shell-and-tube heat exchanger, a plate heat exchanger or chilled water cooling mode and the like. These methods, although simple in structure and widely used, have the following problems: The cooling efficiency is limited, the traditional mode depends on heat conduction and heat exchange, the cooling rate is slow when the fluid with the height Wen Gaonian is encountered or the mass treatment is carried out, and the requirement of rapid cooling is difficult to meet. The temperature control precision is low, and due to the lack of a real-time feedback mechanism, the response of the system to temperature change is lagged, so that the constant low temperature or the temperature control in a set range is difficult to maintain. High energy consumption, serious waste, low utilization rate of cooling medium, high heat loss and high running cost of the system. Vacuum cooling is limited in application, a part of special materials need to be cooled in a vacuum environment to avoid oxidization or volatilization, but the traditional equipment does not have a vacuum function or has poor monitoring capability, and the stability and the safety are insufficient. Most cooling systems lack complete parameter monitoring means, such as temperature distribution, vacuum degree, flow and other key parameters cannot be obtained on line in real time, and the automation and intelligent level of the whole system are affected. In recent years, vacuum cooling technology has been increasingly applied to the field of fluid processing because of its advantages of rapid cooling, low-temperature evaporation, oxidation inhibition, and the like. However, most of the existing vacuum cooling devices are of static structures, simple in structure and single in control means, and lack of efficient heat exchange structures and intelligent monitoring systems, so that requirements of modern industry on process stability, process visualization and energy optimization are difficult to meet. Therefore, a fluid vacuum cooling device with high heat insulation performance, high efficient cooling capability and comprehensive automatic monitoring function is needed to solve the defects in the prior art and improve the efficiency, safety and intelligence level of the fluid treatment process. Disclosure of utility model The utility model aims to solve the defects in the prior art and provides fluid vacuum cooling equipment capable of automatically monitoring operation. The utility model provides a fluid vacuum cooling equipment that can automatic monitoring operation, includes the vacuum cooling chamber, the vacuum cooling chamber be double-deck stainless steel construction, the nanometer aerogel is filled between the intermediate layer of shell and the inner bag of vacuum cooling chamber, the top of vacuum cooling chamber is equipped with the porous nozzle that is annular distribution, the refrigerating unit is connected to the porous nozzle for jet low temperature air current, the bottom of vacuum cooling chamber is equipped with magnetic drive's impeller, the vacuum cooling chamber links to each other with the vacuum pump group of locating the outside, be equipped with temperature sensor on the inner wall of vacuum cooling chamber, the top and the bottom of vacuum cooling chamber are equipped with electric capacity film vacuum gauge respectively, be equipped with fluid inlet pipeline and fluid outlet pipeline on the vacuum cooling chamber, be equipped with coriolis force mass flowmeter on fluid inlet pipeline and the fluid outlet pipeline. As a further improvement, the outer shell of the vacuum cooling chamber is made of 304L stainless steel material, the inner container is made of 316L stainless steel material, and the inner surface of the inner container is subjected to mirror polishing treatment. As a further improvement, the temperature sensors are optical fiber temperature sensors, the number of the optical fiber temperature sensors is 12, and the optical fiber temperature sensors are distributed in an annular array along the inner wall of the vacuum chamber. As a furt