Plate heat exchanger with liquid leakage monitoring function
By integrating the heat exchange plates of the plate heat exchanger and using a water level sensor to monitor leakage, the problems of insufficient integration and leakage pollution in traditional plate heat exchangers are solved, achieving both sealing performance and convenient maintenance.
Patent Information
- Application Number
- CN202423078101.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Traditional plate heat exchangers are not integrated enough, and leaks can contaminate the working environment and lack monitoring, affecting normal use.
The heat exchange plates are integrated and installed inside the housing. The rear end plate and heat exchange plates are pressed together by rotating the locking lever on the closed door to ensure airtightness. Leaks are collected in the water tank through the groove and monitored in a timely manner using a water level sensor.
It achieves heat exchanger sealing and convenient disassembly and assembly, timely detection and handling of leaks, maintains a clean working environment, and avoids affecting normal use.
Smart Images
Figure CN223663809U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of plate heat exchanger technology, and in particular to a plate heat exchanger with leakage monitoring. Background Technology
[0002] Plate heat exchangers are made up of several heat exchange plates stacked together. The plates are usually directly exposed and installed on the outside, which is not integrated enough. When plate heat exchangers are working, leakage may occur, polluting the working environment. Moreover, it is impossible to monitor in time, which affects the normal use of the heat exchanger. Utility Model Content
[0003] The technical problem to be solved by this utility model is to provide a plate heat exchanger with leakage monitoring, which aims to solve the technical problems of traditional plate heat exchangers in the prior art that are not integrated enough, and that leakage will pollute the working environment and affect the normal use of the heat exchanger due to the lack of monitoring.
[0004] The technical solution of this utility model is as follows: a plate heat exchanger with leakage monitoring includes a shell, a plurality of inlets and outlets on the front side of the shell, and a heat exchanger body communicating with each of the inlets and outlets inside the shell; a protrusion is provided on the bottom surface inside the shell, and a left support petal and a right support petal are respectively provided on the upper sides of the protrusion, with gaps between the left support petal and the right support petal and the protrusion; a left groove and a right groove are respectively opened on the bottom surface of the shell on the left and right sides of the protrusion, the left support petal and the right support petal cooperate to limit and support the bottom of the heat exchanger body, and the heat exchanger body is installed on the left groove and the right groove; a water receiving tank is installed on the rear side of the shell, and the left groove and the right groove are respectively communicating with the water receiving tank; a water level sensor is provided in the water receiving tank; an insert plate is provided on the upper side inside the shell, and the heat exchanger body is inserted into the insert plate; a rear end plate is also provided at the rear end of the heat exchanger body; a closing door is rotatably installed on the rear side of the shell, and a clamping mechanism for pressing the rear end plate is provided on the closing door.
[0005] Furthermore, the heat exchanger body described in this utility model is composed of several heat exchange plates stacked together, and a sealing gasket is provided between two adjacent heat exchange plates.
[0006] Furthermore, in this invention, the length of the protrusion extends in the front-to-back direction, the front end of the protrusion is connected to the front inner wall of the outer shell, and the rear end of the protrusion is flush with the rear end of the outer shell.
[0007] Furthermore, in this utility model, the lengths of the left support petal and the right support petal extend in the front-rear direction, and the front ends of the left support petal and the right support petal are fixedly connected to the front inner wall of the outer shell, respectively. The lengths of the left support petal and the right support petal are the same as the length of the protrusion.
[0008] Furthermore, in this utility model, a left oblique groove and a right oblique groove are respectively opened on the bottom surface of the outer shell on the left side of the left groove and on the bottom surface of the outer shell on the right side of the right groove, and the left oblique groove and the right oblique groove are respectively connected to the water receiving groove.
[0009] Furthermore, in this utility model, the left and right sides of the bottom end of the rear plate are respectively provided with mounting recesses that are adapted to be installed with the outer shell.
[0010] Furthermore, in this utility model, the closed door and the outer shell are fixedly connected by a locking member.
[0011] Furthermore, the clamping mechanism described in this utility model includes multiple locking rods rotatably mounted on the closed door via locking screws, and the other end of the locking screws is connected to a pressure plate.
[0012] Compared with the prior art, this utility model has the following advantages: The plate heat exchanger of this utility model integrates heat exchange plates into the outer shell. By rotating the locking rod on the closed door, the pressure plate can be driven to press the rear plate and heat exchange plates, ensuring the sealing between the heat exchange plates and making disassembly and assembly convenient. If leakage occurs during the operation of the heat exchanger, the leaked liquid can be collected into the water receiving tank through the left and right grooves or left and right inclined grooves. The water level sensor in the water receiving tank can monitor in time and perform maintenance in a timely manner, avoiding affecting the normal use of the heat exchanger and ensuring a clean working environment. Attached Figure Description
[0013] Figure 1 This is a perspective view of the present utility model;
[0014] Figure 2 This is a perspective view of the present invention from another angle;
[0015] Figure 3 This is an exploded view of the outer shell and the water receiving tank described in this utility model;
[0016] Figure 4 This is a schematic diagram showing the state of the heat exchanger body when it is installed according to this utility model;
[0017] Figure 5 This is a schematic diagram showing the state when the back-end board of this utility model is installed.
[0018] The components are: 1. Outer shell; 2. Inlet and outlet; 3. Heat exchanger body; 4. Protrusion; 5. Left support flap; 6. Right support flap; 7. Left groove; 8. Right groove; 9. Water receiving trough; 10. Insert plate; 11. Rear end plate; 11a. Mounting notch; 12. Closing door; 13. Left inclined groove; 14. Right inclined groove; 15. Locking screw; 16. Locking rotating rod; 17. Pressure plate. Detailed Implementation
[0019] The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings.
[0020] Example:
[0021] The accompanying drawings illustrate a specific embodiment of a plate heat exchanger with leakage monitoring according to this utility model. Figure 1 , Figure 4 It mainly includes an outer shell 1, with four inlets and outlets 2 on the front side of the outer shell 1. Inside the outer shell 1 is a heat exchanger body 3 that communicates with each inlet and outlet 2. The heat exchanger body 3 is composed of several heat exchange plates stacked together, with sealing gaskets between adjacent heat exchange plates. Hot and cold media enter and exit from the four inlets and outlets 2 respectively, and exchange heat through the heat exchanger body 3. These are all existing technologies and will not be described in detail here.
[0022] Reference Figure 3 The bottom surface inside the outer casing 1 has a protrusion 4. The length of the protrusion 4 extends in the front-to-back direction. The front end of the protrusion 4 is connected to the front inner wall of the outer casing 1, and the rear end of the protrusion 4 is flush with the rear end of the outer casing 1. A left support petal 5 and a right support petal 6 are respectively provided on the upper sides of the protrusion 4. There is a gap between the left support petal 5 and the right support petal 6 and the protrusion 4. The left support petal 5 and the right support petal 6 are symmetrical. The length of the left support petal 5 and the right support petal 6 extends in the front-to-back direction. The front ends of the left support petal 5 and the right support petal 6 are fixedly connected to the front inner wall of the outer casing 1. The length of the left support petal 5 and the right support petal 6 is the same as the length of the protrusion 4.
[0023] Left groove 7 and right groove 8 are respectively opened on the bottom surface of the outer shell 1 on the left and right sides of the protrusion 4. Left oblique groove 13 and right oblique groove 14 are respectively opened on the bottom surface of the outer shell 1 to the left of the left groove 7 and to the right of the right groove 8. A water receiving tank 9 is installed on the rear side of the outer shell 1. Left groove 7, right groove 8, left oblique groove 13 and right oblique groove 14 are respectively connected to the water receiving tank 9. A water level sensor is installed in the water receiving tank 9.
[0024] The left support flap 5 and the right support flap 6 cooperate to provide limiting support for the bottom of the heat exchanger body 3, and the heat exchanger body 3 is installed on the left groove 7 and the right groove 8, as shown. Figure 4 As shown. In the event of leakage during heat exchanger operation, the leaked liquid can flow into the left groove 7 or right groove 8 through the gap between the left support petal 5, the right support petal 6 and the protrusion 4, or into the outer left inclined groove 13 or right inclined groove 14, and then be collected in the water receiving tank 9. The water level sensor in the water receiving tank 9 can monitor the water level in a timely manner, allowing for timely maintenance to avoid affecting the normal use of the heat exchanger and to ensure a clean working environment.
[0025] Reference Figure 3 , Figure 4An insert plate 10 is also provided on the upper part of the inner shell 1. The heat exchanger body 3 is inserted into the insert plate 10 to improve the installation accuracy and installation stability of the heat exchanger body 3.
[0026] Reference Figure 4 The rear end of the heat exchanger body 3 is also provided with a rear end plate 11. The left and right sides of the bottom end of the rear end plate 11 are respectively provided with mounting recesses 11a that are adapted to the outer shell 1 for installation. The rear end plate 11 is used to press against the heat exchanger body 3 to achieve a sealing function. After the rear end plate 11 is installed, as shown... Figure 5 As shown, the rear end plate 11 is also inserted into the insertion plate 10.
[0027] Reference Figure 5 A closing door 12 is rotatably mounted on the rear side of the outer casing 1. After the closing door 12 is rotated and closed, it can be fixedly connected to the outer casing 1 by a locking device. (Refer to...) Figure 2 , Figure 5 Multiple locking screws 15 are rotatably installed on the closed door 12. The outer end of the locking screw 15 is connected to a locking rotating rod 16, and the inner end of the locking screw 15 is connected to a pressure plate 17. By rotating the locking rotating rod 16, the pressure plate 17 can be driven to press the rear end plate 11 and the heat exchanger body 3, ensuring the sealing between the heat exchange plates. When disassembling and assembling, simply rotate the locking rotating rod 16 in the opposite direction. The operation is simple and convenient.
[0028] Of course, the above embodiments are only for illustrating the technical concept and features of this utility model, and their purpose is to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be used to limit the protection scope of this utility model. All modifications made in accordance with the spirit and essence of the main technical solution of this utility model should be covered within the protection scope of this utility model.
Claims
1. A plate heat exchanger with leakage monitoring, characterized in that: The device includes an outer shell (1), on the front side of which are provided multiple inlets and outlets (2). Inside the outer shell (1) is a heat exchanger body (3) communicating with each of the inlets and outlets (2). On the bottom surface inside the outer shell (1) is a protrusion (4). On the upper sides of the protrusion (4) are left support petals (5) and right support petals (6), respectively. There are gaps between the left support petals (5) and the right support petals (6) and the protrusion (4). On the bottom surface of the outer shell (1) on the left and right sides of the protrusion (4), there are left grooves (7) and right grooves (8), respectively. The left support petals (5) and right support petals (6) cooperate to support the bottom of the heat exchanger body (3). The heat exchanger body (3) is mounted on the left groove (7) and the right groove (8) with a limit support. A water receiving groove (9) is installed on the rear side of the outer shell (1). The left groove (7) and the right groove (8) are respectively connected to the water receiving groove (9). A water level sensor is provided in the water receiving groove (9). An insert plate (10) is provided on the upper part of the inner shell (1). The heat exchanger body (3) is inserted into the insert plate (10). A rear end plate (11) is also provided at the rear end of the heat exchanger body (3). A closing door (12) is rotatably installed on the rear side of the outer shell (1). A pressing mechanism for pressing the rear end plate (11) is provided on the closing door (12).
2. A plate heat exchanger with leakage monitoring according to claim 1, characterized in that: The heat exchanger body (3) is composed of several heat exchange plates stacked together, and a sealing gasket is provided between two adjacent heat exchange plates.
3. A plate heat exchanger with leakage monitoring according to claim 1, characterized in that: The length of the protrusion (4) extends in the front-to-back direction. The front end of the protrusion (4) is connected to the front inner wall of the outer shell (1), and the rear end of the protrusion (4) is flush with the rear end of the outer shell (1).
4. A plate heat exchanger with leakage monitoring according to claim 3, characterized in that: The lengths of the left support petal (5) and the right support petal (6) extend in the front-rear direction. The front ends of the left support petal (5) and the right support petal (6) are fixedly connected to the front inner wall of the outer shell (1). The lengths of the left support petal (5) and the right support petal (6) are the same as the length of the protrusion (4).
5. A plate heat exchanger with leakage monitoring according to claim 1, characterized in that: A left oblique groove (13) and a right oblique groove (14) are respectively opened on the bottom surface of the outer shell (1) on the left side of the left groove (7) and the bottom surface of the outer shell (1) on the right side of the right groove (8). The left oblique groove (13) and the right oblique groove (14) are respectively connected to the water receiving tank (9).
6. A plate heat exchanger with leakage monitoring according to claim 1, characterized in that: The bottom of the rear end plate (11) has mounting recesses (11a) on the left and right sides respectively, which are adapted to the outer shell (1) for installation.
7. A plate heat exchanger with leakage monitoring according to claim 1, characterized in that: The closed door (12) is fixedly connected to the outer shell (1) by a locking device.
8. A plate heat exchanger with leakage monitoring according to claim 1, characterized in that: The clamping mechanism includes multiple locking rods (16) that are rotatably mounted on the closed door (12) via locking screws (15), and the other end of the locking screws (15) is connected to a pressure plate (17).