A front condensing device for a rotating wheel differential pressure gauge
Patent Information
- Application Number
- CN202522692336.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-19
- Publication Date
- 2026-10-20
- Estimated Expiration
- 2035-12-19
AI Technical Summary
本实用新型在压差表前端设置脱附入冷凝罐与脱附出冷凝罐,使取压气体中的冷凝水和气雾优先在罐体内缓冲、冷凝并沉降存储,避免液态水直接进入压差表;同时通过底部排水球阀可定期快速排放积水,维护方便,从而显著降低压差表进水损坏与读数模糊的风险,提升压差检测的稳定性与装置长期运行可靠性。
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Figure CN224873225U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of rotary wheel technology, specifically relating to a pre-condensation device for a rotary differential pressure gauge. Background Technology
[0002] In dehumidification, solvent recovery, or humid gas treatment applications, rotary pressure systems typically require differential pressure monitoring between the desorption and adsorption zones (or the desorption inlet and outlet sides) to assess rotor operating resistance, filter / duct blockage, and system stability. Current differential pressure detection methods generally involve connecting pressure taps on both sides to a differential pressure gauge (mechanical or electronic). These gauges usually contain sensitive elements, microchannels, or diaphragm structures, making them highly sensitive to liquid water, condensate droplets, and high-humidity mist.
[0003] However, during the desorption process of the rotary valve, the gas temperature and humidity fluctuate significantly, and there are cold spots along the pipeline. Condensation or water mist can easily form in the pressure tapping pipe. When the differential pressure gauge is installed at a low position, or when there is a return slope in the pipeline or instantaneous negative pressure fluctuations, condensation may flow into the differential pressure gauge along the pipeline, causing internal components to become damp, corroded, blocked, or contaminated. This can lead to problems such as unclear readings, delayed response, measurement drift, or even damage to the differential pressure gauge. To prevent water ingress, some sites use methods such as adding bends, temporary drainage, or frequent disassembly and drainage. However, these methods have drawbacks such as non-standard structure, poor sealing, inconvenient maintenance, incomplete drainage, and the continued risk of water ingress. Therefore, a simple, easy-to-install, and periodically drainable pre-condensation protection device for differential pressure gauges is needed to improve the reliability and service life of differential pressure detection. Utility Model Content
[0004] To address the aforementioned issues, this utility model provides a pre-condensation device for a rotary differential pressure gauge. This device has a simple structure and is easy to install, providing effective pre-protection for the differential pressure gauge without altering its original detection method.
[0005] The technical solution provided by this utility model is as follows: A pre-condensation device for a rotary differential pressure gauge includes a first circular tube and a second circular tube. The top of the first circular tube is provided with a first differential pressure gauge connector, the bottom of the first circular tube is provided with a first drain ball valve, and the side wall of the first circular tube is provided with a first desorption zone connector for connecting a desorption inlet pipe to form a desorption condensation tank. The second circular tube is equipped with a second differential pressure gauge connector at the top and a second drain ball valve at the bottom. The second circular tube is also equipped with a second desorption zone connector on its side wall, which is used to connect the desorption outlet pipe to form a desorption condensate tank.
[0006] In some embodiments, a sealing connector is also included, which is screwed to both ends of the first and second round tubes, and a universal connector is provided at the other end of the sealing connector for connecting the first differential pressure gauge connector, the first drain ball valve, the second differential pressure gauge connector, and the second drain ball valve.
[0007] In some embodiments, a mounting plate is also included, on which the first and second round tubes are fixed.
[0008] In some embodiments, the first and second circular tubes are DN50 tubes.
[0009] In some embodiments, the first drain ball valve and the second drain ball valve are 3 / 8 ball valves.
[0010] In summary, the beneficial effects of this utility model are as follows: This invention features a desorption condenser and a desorption condenser at the front end of the differential pressure gauge. This allows condensate and mist in the pressurized gas to be buffered, condensed, and settled in the tanks, preventing liquid water from directly entering the differential pressure gauge. Simultaneously, the bottom drain ball valve allows for periodic and rapid drainage of accumulated water, facilitating maintenance. This significantly reduces the risk of water ingress damage and unclear readings in the differential pressure gauge, improving the stability of differential pressure detection and the long-term reliability of the device. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the structure of this utility model.
[0012] The attached figures are labeled as follows: 1. First circular pipe; 2. Second circular pipe; 3. First differential pressure gauge connector; 4. First drain ball valve; 5. First desorption zone connector; 6. Second differential pressure gauge connector; 7. Second drain ball valve; 8. Second desorption zone connector; 9. Sealing connector; 10. Mounting plate. Detailed Implementation
[0013] To enhance understanding of this utility model, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings. These embodiments are only used to explain the present utility model and do not constitute a limitation on the scope of protection of the present utility model.
[0014] Please refer to Figure 1 The present invention provides a pre-condensation device for a rotary differential pressure gauge, which is mainly used to condense and separate the gas connected to the differential pressure gauge when the rotary equipment detects the pressure difference between the desorption zone and the adsorption zone, so as to prevent condensate or mist from entering the differential pressure gauge and causing damage or inaccurate readings.
[0015] The pre-condensation device for the differential pressure gauge includes a first circular tube 1 and a second circular tube 2. Both the first circular tube 1 and the second circular tube 2 are vertically arranged cylindrical structures, preferably with a DN50 diameter, to ensure sufficient internal volume for gas buffering and condensate settling. The first circular tube 1 and the second circular tube 2 have basically the same structure, corresponding to the desorption inlet side and the desorption outlet side of the rotary device, respectively.
[0016] The top of the first circular tube 1 is provided with a first differential pressure gauge connector 3, which is used to connect to one side interface of the differential pressure gauge through a gas pipe; the bottom of the first circular tube 1 is provided with a first drain ball valve 4, preferably a 3 / 8 ball valve, which is used to drain the condensate deposited inside the first circular tube 1. The side wall of the first circular tube 1 is provided with a first desorption zone connector 5, which is used to connect to the gas inlet pipe of the desorption zone of the rotor, so that the gas from the desorption zone first enters the first circular tube 1 and forms a desorption condensate tank.
[0017] The top of the second circular pipe 2 is provided with a second differential pressure gauge connector 6, which is used to connect to the other side interface of the differential pressure gauge through a gas pipe; the bottom of the second circular pipe 2 is provided with a second drain ball valve 7, which is preferably a 3 / 8 ball valve, for draining the condensate accumulated in the second circular pipe 2. The side wall of the second circular pipe 2 is provided with a second desorption zone connector 8, which is used to connect to the gas outlet pipe of the desorption zone of the rotor, thereby forming a desorption condensate tank.
[0018] In this embodiment, the two ends of the first circular tube 1 and the second circular tube 2 can also be sealed together by a sealing connector 9. The sealing connector 9 is connected to the first circular tube 1 and the second circular tube 2 by a threaded connection, and its other end is provided with a universal connector structure, which facilitates standardized connection with the first differential pressure gauge connector 3, the first drain ball valve 4, the second differential pressure gauge connector 6 and the second drain ball valve 7, thereby improving the sealing performance and installation versatility of the overall device.
[0019] To facilitate overall installation and fixation, the first circular pipe 1 and the second circular pipe 2 are also fixedly installed on the same mounting plate 10. The mounting plate 10 can be fixed to the rotating equipment or its nearby support structure by bolts or welding, so that the first circular pipe 1 and the second circular pipe 2 maintain a stable vertical state, which is conducive to the condensate sinking naturally under the action of gravity and concentrating at the bottom of the circular pipe.
[0020] In actual use, the inlet and outlet gas of the desorption zone of the rotary equipment enter the first circular pipe 1 and the second circular pipe 2 through the first desorption zone connector 5 and the second desorption zone connector 8, respectively. After the gas enters the inside of the circular pipe, due to the decrease in flow rate, temperature change and the buffering effect of the internal space of the circular pipe, the condensate or mist carried in the gas will gradually condense and deposit on the inner wall or bottom of the circular pipe.
[0021] With the above structural design, any water vapor that may be trapped in the gas pipe will not directly enter the differential pressure gauge, but will instead be preferentially stored in the first circular pipe 1 and the second circular pipe 2. This effectively avoids the problem of the differential pressure gauge being damaged or having unclear readings due to water ingress. During equipment operation, the first drain ball valve 4 and the second drain ball valve 7 can be opened periodically according to actual operating conditions to drain the water accumulated in the condensate tank, ensuring long-term stable operation of the device and the accuracy of differential pressure detection.
[0022] This utility model has a simple structure and is easy to install. It can provide effective pre-protection for differential pressure gauges without changing the original differential pressure gauge detection method. It is especially suitable for working environments where there is a risk of water vapor or condensation in the desorption and adsorption zones of the rotor.
[0023] It should be noted that implementations not shown or described in the accompanying drawings or the main text of the specification are all forms known to those skilled in the art and are not described in detail. Furthermore, the definitions of the elements and methods described above are not limited to the various specific structures, shapes, or methods mentioned in the embodiments.
[0024] It should also be noted that this document may provide examples of parameters containing specific values, but these parameters need not be exactly equal to the corresponding values, but can approximate the corresponding values within acceptable error tolerances or design constraints. Directional terms mentioned in the embodiments, such as "up," "down," "front," "back," "left," "right," "inner," and "outer," are only for reference to the directions in the accompanying drawings and are not intended to limit the scope of protection of this application.
[0025] The foregoing description illustrates and describes preferred embodiments of the present invention. As previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or related technical or knowledge. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.
Claims
1. A pre-condensation device for a rotary differential pressure gauge, characterized in that, It includes a first circular pipe (1) and a second circular pipe (2). The first circular pipe (1) is provided with a first differential pressure gauge connector (3) at the top and a first drain ball valve (4) at the bottom. The first circular pipe (1) is provided with a first desorption zone connector (5) on the side wall for connecting the desorption inlet pipe to form a desorption condenser. The second round pipe (2) is provided with a second differential pressure gauge connector (6) at the top and a second drain ball valve (7) at the bottom. The second round pipe (2) is provided with a second desorption zone connector (8) on the side wall for connecting the desorption outlet pipe to form a desorption condenser.
2. The pre-condensation device for the rotary differential pressure gauge according to claim 1, characterized in that, It also includes a sealing connector (9), which is screwed to both ends of the first round tube (1) and the second round tube (2). The other end of the sealing connector (9) is provided with a universal connector for connecting the first differential pressure gauge connector (3), the first drain ball valve (4), the second differential pressure gauge connector (6), and the second drain ball valve (7).
3. The pre-condensation device for the rotary differential pressure gauge according to claim 1, characterized in that, It also includes a mounting plate (10), on which the first round tube (1) and the second round tube (2) are fixed.
4. The pre-condensation device for the rotary differential pressure gauge according to claim 1, characterized in that, The first round pipe (1) and the second round pipe (2) are DN50 pipes.
5. The pre-condensation device for the rotary differential pressure gauge according to claim 1, characterized in that, The first drain ball valve (4) and the second drain ball valve (7) are 3 / 8 ball valves.