PCHE heat exchanger temperature monitoring device
By setting up connection fittings and connecting covers on the PCHE heat exchanger, the probe of the fixed temperature tester is inserted into the water pipe, which solves the error problem during the heat exchanger's fluid temperature detection and achieves more accurate and real-time temperature monitoring.
Patent Information
- Application Number
- CN202420390002.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-29
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-02-28
AI Technical Summary
The thickness of the outer wall of the water pipe of the inlet and outlet of the heat exchanger fluid leads to temperature errors and delays during temperature detection, and it is difficult for the prior art to accurately collect the fluid temperature.
A temperature monitoring device for PCHE heat exchanger is designed. By setting connecting pipe fittings and connecting covers at the outer end of the water pipe, the probe of the temperature tester is inserted into the water pipe, and the structures such as arc plates, rubber buffer pads and bolts are used. Ensure the fixation and sealing of the probe and avoid temperature errors.
It realizes direct detection of the fluid temperature in the heat exchanger body, reduces temperature errors and delays, is simple and convenient to operate, and improves the accuracy and real-timeness of temperature monitoring.
Smart Images
Figure CN222364677U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat exchanger temperature monitoring, in particular to a PCHE heat exchanger temperature monitoring device. Background Art
[0002] Heat exchanger is a device that transfers part of the heat of hot fluid to cold fluid. It is also called heat exchanger. Heat exchanger plays an important role in chemical, petroleum, power, food and many other industrial production. In chemical production, heat exchanger can be used as heater, cooler, condenser, evaporator and reboiler, etc., and is widely used.
[0003] At present, when the heat exchanger is performing fluid heat exchange, the existing temperature detection technology is to collect the temperature in real time by using a temperature tester fixedly installed on the outer wall of the water pipe of the two fluids. However, the outer wall of the water pipe for the inlet and outlet of the heat exchanger fluid has a certain thickness. When the fluid passes through the outer wall of the water pipe to the temperature tester, there will be a temperature error, and the collected temperature information will have a delay and deviation value;
[0004] In order to solve the above problems, we propose a temperature detection device for industrial heat exchangers. Utility Model Content
[0005] The utility model aims to provide a PCHE heat exchanger temperature monitoring device to solve the problem in the background technology that the outer wall of the heat exchanger fluid inlet and outlet water pipes has a certain thickness, and temperature errors may occur when the fluid passes through the outer wall of the water pipe to the temperature tester.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: it includes a heat exchanger body and a plurality of water pipes fixedly connected to the heat exchanger body, the outer ends of the plurality of water pipes are fixedly connected to connecting pipe fittings, the outer surfaces of the connecting pipe fittings are all sleeved with connecting covers, a temperature tester is inserted into the top end of the connecting cover, a fixing structure is provided between the temperature tester and the connecting cover, and the fixing structure includes two arc-shaped plates for fixing and clamping the temperature tester.
[0007] Preferably, the connection cover is threadedly connected to the connection pipe fitting, and a sealing gasket is provided between the connection cover and the connection pipe fitting.
[0008] Preferably, the outer side wall of the connection cover is provided with anti-slip grooves, the side wall of the connection cover is provided with anti-slip grooves, the top of the connection cover is fixedly connected with two elastic connection plates, and the elastic connection plates are fixedly connected to the arc plate.
[0009] Preferably, the fixing structure further comprises:
[0010] Two rubber buffer pads, the two rubber buffer pads are respectively fixedly connected to the arc plate;
[0011] A plurality of connection blocks are symmetrically fixed on both sides of the arc-shaped plate, and through holes are provided on the connection blocks.
[0012] Preferably, two bolts are inserted into the plurality of connection blocks, and ends of the two bolts are threadedly connected to nuts.
[0013] Preferably, a probe is fixedly connected to the bottom end of the temperature tester, and the probe passes through the connection cover and is inserted into the water pipe. A rubber ring is provided between the probe and the connection cover, and the rubber ring is fixedly connected to the connection cover.
[0014] Beneficial Effects
[0015] The utility model provides a PCHE heat exchanger temperature monitoring device, which has the following beneficial effects:
[0016] 1. The temperature monitoring device for PCHE heat exchanger inserts the probe of the temperature tester into the water pipe by setting the connecting pipe, so that the temperature tester can directly detect the temperature of the fluid in the inlet and outlet water pipes of the heat exchanger body, thereby avoiding the problem of temperature error caused by the fluid being transferred to the temperature tester through the outer wall of the water pipe.
[0017] 2. The temperature monitoring device for the PCHE heat exchanger is convenient for the staff to fix the temperature tester on the connection cover by setting a fixed structure, and then the connection cover is threadedly connected with the connecting pipe, so that the probe of the temperature tester is inserted into the water pipe, and the temperature tester is fixed on the water pipe at the same time, which is simple and convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the overall structure of a PCHE heat exchanger temperature monitoring device of the utility model;
[0019] Figure 2 This is a partial structural explosion diagram of a PCHE heat exchanger temperature monitoring device of the utility model;
[0020] Figure 3 This is an enlarged view of the local structure of a PCHE heat exchanger temperature monitoring device of the utility model;
[0021] Figure 4 This is a partial structural cross-sectional view of a PCHE heat exchanger temperature monitoring device of the utility model.
[0022] In the figure: 1. heat exchanger body; 2. water pipe; 3. connecting pipe fittings; 4. temperature tester; 5. connecting cover; 6. sealing gasket; 7. elastic connecting plate; 8. arc plate; 9. connecting block; 10. rubber buffer pad; 11. bolt; 12. nut; 13. rubber ring; 14. probe. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1 The utility model provides a technical solution: it includes a heat exchanger body 1 and a plurality of water pipes 2 fixedly connected to the heat exchanger body 1, the outer ends of the plurality of water pipes 2 are fixedly connected with connecting pipe fittings 3, the outer surfaces of the connecting pipe fittings 3 are sleeved with connecting covers 5, and the top of the connecting cover 5 is inserted with a temperature tester 4. It should be noted that the temperature tester 4 is a high-precision instrument for measuring temperature. The temperature of the fluid in the inlet and outlet water pipes 2 of the heat exchanger body 1 is monitored by the temperature tester 4. The temperature tester 4 is a prior art and will not be elaborated on here.
[0025] See also Figure 2-3 A fixing structure is provided between the temperature tester 4 and the connecting cover 5, and the fixing structure includes two arc-shaped plates 8 for fixing and clamping the temperature tester 4; the connecting cover 5 is threadedly connected to the connecting pipe fitting 3, and a sealing gasket 6 is provided between the connecting cover 5 and the connecting pipe fitting 3. By providing the sealing gasket 6, the sealing between the connecting cover 5 and the connecting pipe fitting 3 is ensured to prevent temperature loss and fluid outflow.
[0026] The outer wall of the connecting cover 5 is provided with anti-slip grooves, which facilitate the staff to rotate the connecting cover 5. Two elastic connecting plates 7 are fixedly connected to the top of the connecting cover 5, and the elastic connecting plates 7 are fixedly connected to the arc plate 8. When the fixed structure fixes and clamps the temperature tester 4, the elastic connecting plates 7 tilt inward to clamp temperature testers 4 of different sizes.
[0027] The fixing structure also includes two rubber buffer pads 10, which are respectively fixedly connected to the arc plate 8. The arc plate 8 clamps the fixed temperature tester 4 through the rubber buffer pads 10 to prevent the arc plate 8 from causing damage to the temperature tester 4 when the temperature tester 4 is clamped vigorously. The fixing structure also includes a plurality of connecting blocks 9, which are symmetrically fixed on both sides of the arc plate 8, and the connecting blocks 9 are provided with through holes. Two bolts 11 are inserted into the plurality of connecting blocks 9, and the ends of the two bolts 11 are threadedly connected to nuts 12.
[0028] When in use, the temperature tester 4 is first placed between the two arc plates 8, and then the bolt 11 is inserted into the through hole on the connecting block 9, and then the bolt 11 is threadedly connected with the nut 12, so that the temperature tester 4 is fixedly clamped between the two arc plates 8.
[0029] See also Figure 4 , a probe 14 is fixedly connected to the bottom end of the temperature tester 4, and the probe 14 passes through the connecting cover 5 and is inserted into the water pipe 2. A rubber ring 13 is provided between the probe 14 and the connecting cover 5, and the rubber ring 13 is fixedly connected to the connecting cover 5. The temperature tester 4 can directly detect the temperature of the fluid in the inlet and outlet water pipes 2 of the heat exchanger body 1, thereby avoiding the problem of temperature error caused by the fluid being transmitted to the temperature tester 4 through the outer wall of the water pipe 2; it should be noted that the connecting pipe fittings 3 are all threadedly connected with the connecting covers 5, and the connecting covers 5 are all provided with a fixing structure for fixing and clamping the temperature tester 4, so as to monitor the fluid in multiple water pipes 2 at the inlet and outlet of the heat exchanger body 1. Some connecting covers 5 and fixing structures are not shown in the figure. The temperature tester 4 transmits the monitored fluid temperature to an external device for observation by the staff. The external devices connected to the temperature tester 4 are all existing mature technologies, which are not shown in the figure and will not be elaborated on here.
[0030] Working principle: first, insert the probe 14 on the temperature tester 4 through the connecting cover 5. At this time, the temperature tester 4 is between the two arc plates 8. Then, insert the bolt 11 into the through hole on the connecting block 9. The bolt 11 is threadedly connected with the nut 12 to fix the temperature tester 4 between the two arc plates 8. Finally, insert the probe 14 into the water pipe 2, and fix the connecting cover 5 on the connecting pipe 3 by threaded connection, so that the temperature tester 4 can monitor the temperature of the fluid in the inlet and outlet water pipes 2 of the heat exchanger body 1.
[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A PCHE heat exchanger temperature monitoring device, comprising a heat exchanger body (1) and a plurality of water pipes (2) fixedly connected to the heat exchanger body (1), characterized in that: The outer ends of the plurality of water pipes (2) are all fixedly connected to connecting pipe fittings (3), the outer surfaces of the connecting pipe fittings (3) are all sleeved with connecting covers (5), a temperature tester (4) is inserted into the top end of the connecting cover (5), a fixing structure is provided between the temperature tester (4) and the connecting cover (5), and the fixing structure comprises two arc-shaped plates (8) for fixing and clamping the temperature tester (4).
2. A PCHE heat exchanger temperature monitoring device according to claim 1, characterized in that: The connection cover (5) is threadedly connected to the connection pipe (3), and a sealing gasket (6) is provided between the connection cover (5) and the connection pipe (3).
3. A PCHE heat exchanger temperature monitoring device according to claim 2, characterized in that: The outer side wall of the connection cover (5) is provided with anti-slip grooves, and the top of the connection cover (5) is fixedly connected to two elastic connection plates (7), and the other ends of the two elastic connection plates (7) are respectively fixedly connected to two arc-shaped plates (8).
4. A PCHE heat exchanger temperature monitoring device according to claim 3, characterized in that: The fixed structure also includes: Two rubber buffer pads (10), the two rubber buffer pads (10) being fixedly connected to the arc-shaped plate (8) respectively; A plurality of connection blocks (9) are symmetrically fixed on both sides of the arc-shaped plate (8), and through holes are provided on the connection blocks (9).
5. A PCHE heat exchanger temperature monitoring device according to claim 4, characterized in that: Two bolts (11) are inserted into the through holes of the plurality of connection blocks (9), and the ends of the two bolts (11) are threadedly connected with nuts (12) on the outside of the connection blocks (9).
6. A PCHE heat exchanger temperature monitoring device according to claim 5, characterized in that: A probe (14) is fixedly connected to the bottom end of the temperature tester (4), and the probe (14) penetrates the connection cover (5) and is inserted into the water pipe (2). A rubber ring (13) is provided between the probe (14) and the connection cover (5), and the rubber ring (13) is fixedly connected to the connection cover (5).