CN-224231348-U - Concentration sampling equipment for ammonia water absorption refrigeration system

Abstract

The utility model discloses concentration sampling equipment for an ammonia water absorption refrigeration system, which comprises a sampling container, a sampling tube, an anti-pollution device, a first sealing component and a second sealing component. The sampling container is internally provided with a chamber inlet and a chamber outlet which are communicated with the chamber, the sampling tube is used for sampling ammonia water, the sampling tube is provided with a sampling inlet and a sampling outlet, the sampling outlet is communicated with the chamber inlet, the anti-pollution device is connected between the sampling tube and the sampling container or is arranged in the sampling tube and used for filtering ammonia water samples entering the chamber through the sampling tube, the first sealing component is arranged at the chamber inlet and used for sealing the chamber inlet, and the second sealing component is arranged at the chamber outlet and used for sealing the chamber outlet. The concentration sampling equipment provided by the utility model has the advantages of convenience in operation, reliability in sealing and the like, and is beneficial to improving the operation efficiency and stability of an ammonia water absorption refrigeration system.

Inventors

• ZHANG LIE
• SUN XIAOLIN
• LI JIACHENG
• WANG JINFENG
• Huo Xingyuan
• ZHANG ZHIPENG
• ZHANG CHENCHEN

Assignees

• 中能绿科(上海)技术有限公司
• 上海海洋大学

Dates

Publication Date

20260512

Application Date

20250514

Claims (10)

1. 1. A concentration sampling device for an ammonia absorption refrigeration system is characterized by comprising a sampling container, a sampling tube, an anti-pollution device, a first sealing component and a second sealing component, wherein, The sampling container is internally provided with a chamber inlet and a chamber outlet which are communicated with the chamber, the sampling tube is used for sampling ammonia water solution, the sampling tube is provided with a sampling inlet and a sampling outlet, the sampling outlet is communicated with the chamber inlet, the anti-pollution device is connected between the sampling tube and the sampling container or arranged in the sampling tube and used for filtering the ammonia water solution sample entering the chamber through the sampling tube, the first sealing component is arranged at the chamber inlet and used for opening or sealing the chamber inlet, and the second sealing component is arranged at the chamber outlet and used for opening or sealing the chamber outlet.
2. 2. A concentration sampling apparatus according to claim 1, wherein the sampling vessel is of tubular construction, the sampling vessel having first and second axially opposed ends, the chamber inlet being provided at the first end of the sampling vessel and the chamber outlet being provided at the second end of the sampling vessel.
3. 3. A concentration sampling apparatus according to claim 2, wherein, The chamber has a volume of 50mL to 200m, and/or, The inner wall surface of the cavity is a corrosion-resistant wall surface.
4. 4. The concentration sampling apparatus according to claim 2, wherein the contamination prevention device comprises a housing and a filter member provided in the housing for filtering contaminants, the sampling tube, the housing of the contamination prevention device, the first seal assembly, the sampling vessel, and the second seal assembly being sequentially arranged and connected in an axial direction of the sampling vessel.
5. 5. The concentration sampling apparatus according to claim 2, wherein the contamination prevention means comprises a filter provided in the sampling tube, and the sampling tube, the first seal assembly, the sampling container, and the second seal assembly are sequentially arranged and connected in an axial direction of the sampling container.
6. 6. The concentration sampling apparatus of claim 4 or 5, wherein the filter comprises one or more of a filter mesh, a filter cotton, and a filter membrane.
7. 7. The concentration sampling apparatus of any one of claims 1-5, wherein the contamination prevention device has a filtration accuracy of 10 microns to 50 microns.
8. 8. The concentration sampling apparatus according to any one of claims 1 to 5, wherein, The first sealing component comprises a first ball valve and a first sealing ring, the first ball valve is connected with the sampling container, the first sealing ring for sealing is arranged at the joint of the first ball valve and the sampling container, and/or, The second sealing assembly comprises a second ball valve and a second sealing ring, and the second ball valve is connected with the sampling container and the second sealing ring used for sealing is arranged at the joint of the second ball valve and the sampling container.
9. 9. The concentration sampling apparatus according to any one of claims 1 to 5, further comprising a temperature sensor having a temperature sensing probe extending into the chamber for measuring the temperature within the chamber.
10. 10. The concentration sampling apparatus according to any one of claims 1 to 5, further comprising a pressure sensor having a pressure sensitive probe extending into the chamber for detecting the pressure in the chamber.

Description

Concentration sampling equipment for ammonia water absorption refrigeration system Technical Field The utility model relates to the field of ammonia absorption refrigeration systems, in particular to concentration sampling equipment for an ammonia absorption refrigeration system. Background The absorption refrigeration system is used as a high-efficiency heat energy driven refrigeration technology and is widely applied in the industrial field. Among them, ammonia water working medium pair is one of the most widely used working medium pairs in absorption refrigeration systems due to its excellent thermodynamic property and environmental protection property. In an ammonia absorption refrigeration system, ammonia is used as a refrigerant to circulate between a condenser and an evaporator, and heat exchange is realized through phase change, so that the purpose of refrigeration is achieved. However, the concentration and the components of the ammonia water solution can be changed along with the change of working conditions in the running process of the system, so that the refrigerating efficiency of the system is directly influenced, and the running stability of equipment is obviously influenced. Therefore, the concentration change of the ammonia water solution is accurately monitored in real time, and the method has important engineering significance for ensuring the efficient and stable operation of the system. Disclosure of utility model At present, an ammonia absorption refrigeration system generally adopts external sampling equipment to collect and analyze a solution sample. However, the conventional sampling device has a plurality of technical defects in structural design and practical application, including firstly difficulty in effectively avoiding external impurity pollution in the sampling process, possibility of changing solution components due to temperature and pressure changes so as to influence the accuracy of analysis results, secondly insufficient long-term operation reliability of the conventional sampling device under severe working conditions, difficulty in meeting the requirements of industrial sites on the stability of the device, and inconvenience in use and operation of the conventional sampler, and reduction of working efficiency. In order to solve the problems, the utility model aims to provide the concentration sampling equipment for the ammonia absorption refrigeration system, which can effectively prevent sample pollution, keep the original components of the sample, is simple and convenient to operate and high in adaptability, and can meet the double requirements on the high efficiency and the reliability of the equipment. The concentration sampling equipment for the ammonia water absorption refrigeration system comprises a sampling container, a sampling tube, an anti-pollution device, a first sealing component and a second sealing component, wherein a cavity is defined in the sampling container, the sampling container is provided with a cavity inlet and a cavity outlet which are communicated with the cavity, the sampling tube is used for sampling ammonia water, the sampling tube is provided with a sampling inlet and a sampling outlet, the sampling outlet is communicated with the cavity inlet, the anti-pollution device is connected between the sampling tube and the sampling container or is arranged in the sampling tube and is used for filtering ammonia water samples entering the cavity through the sampling tube, the first sealing component is arranged at the cavity inlet and is used for opening or sealing the cavity inlet, and the second sealing component is arranged at the cavity outlet and is used for opening or sealing the cavity outlet. Optionally, the sampling vessel is of tubular construction, the sampling vessel having first and second axially opposed ends, the chamber inlet being provided at the first end of the sampling vessel and the chamber outlet being provided at the second end of the sampling vessel. Optionally, the volume of the chamber is 50mL to 200m. Optionally, the inner wall surface of the chamber is a corrosion-resistant wall surface. Optionally, the anti-pollution device comprises a shell and a filter element, wherein the filter element is arranged in the shell and is used for filtering pollutants, and the sampling tube, the shell of the anti-pollution device, the first sealing component, the sampling container and the second sealing component are sequentially arranged and connected in the axial direction of the sampling container. Optionally, the anti-pollution device comprises a filter element arranged in the sampling tube, and the sampling tube, the first sealing assembly, the sampling container and the second sealing assembly are sequentially arranged and connected in the axial direction of the sampling container. Optionally, the filter comprises one or more of a filter mesh, a filter cotton and a filter membrane. Optionally, the contamination prevention dev