Heat exchanger with built-in pressure limiting device

Abstract

The utility model discloses a heat exchanger with a built-in pressure limiting device, which comprises a heat exchanger body, the heat exchanger body comprises a heat exchanger central tube body, a head end shell and a tail end shell, the head end shell and the tail end shell are respectively fixed at two ends of the heat exchanger central tube body, and perforated partition plates are fixed at two ends of the heat exchanger central tube body. Holes are formed in the perforated partition plates, the same water pipe is fixed to the one-to-one corresponding holes in the two perforated partition plates, sealing plates fixed to the perforated partition plates are fixed to the inner walls of the head end shell, pressing plates are fixed to the positions, close to the perforated partition plates, of the bottoms of the sealing plates, and base plates are fixed to the semicircular parts of the lower portions of the perforated partition plates. Through holes corresponding to the holes in the perforated partition plate are formed in the base plate and the pressing plate, and an adjusting piece is arranged between the base plate and the pressing plate in a tightly attached mode. According to the utility model, the quantity of water entering the water pipes in the central pipe body of the heat exchanger can be adjusted, the pressure of water entering each water pipe can be equally controlled at the same time, and equal control and synchronous closing or plugging are realized.

Description

Technical Field

[0001] This utility model relates to the field of heat exchanger technology, and in particular to a heat exchanger with a built-in pressure limiting device. Background Technology

[0002] A heat exchanger, also known as a heat exchanger, is a device that transfers some of the heat from a hot fluid to a cold fluid. It enables heat transfer between fluids at different temperatures, allowing heat to be transferred from a higher-temperature fluid to a lower-temperature fluid, thus bringing the fluid temperature to the specified parameters of the process to meet the requirements of the process conditions. It is also one of the main devices for improving energy utilization efficiency.

[0003] Tubular heat exchangers operate by having fluid pass through pipes. However, because there are multiple water pipes inside a tubular heat exchanger, the amount of water entering these pipes is related to the efficiency of heat exchange. If the volume of cold liquid is large, the required hot liquid temperature must be high to achieve the set temperature, which may cause uneven heating. Sometimes, only a small amount of fluid is needed for heat exchange, but pressure regulation is currently difficult to achieve. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a heat exchanger with a built-in pressure limiting device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A heat exchanger with a built-in pressure limiting device includes a heat exchanger body. The heat exchanger body includes a heat exchanger center tube, a head end shell, and a tail end shell. The head end shell and the tail end shell are respectively fixed to both ends of the heat exchanger center tube. Both ends of the heat exchanger center tube are fixed with perforated baffles, and the perforated baffles have holes. The same water pipe is fixed to the corresponding holes on the two perforated baffles. The inner wall of the head end shell is fixed with a sealing plate that is fixed to the perforated baffle. A pressure plate is fixed to the bottom of the sealing plate near the perforated baffle. A pad is fixed to the lower semicircular part of the perforated baffle. The pad and the pressure plate have through holes corresponding to the holes on the perforated baffle. An adjusting plate is tightly attached between the pad and the pressure plate, and the adjusting plate has adjusting holes corresponding to the through holes. An adjusting mechanism for moving the adjusting plate is installed on the pad.

[0007] As a further embodiment of this invention, the adjusting piece is made of rubber.

[0008] As a further embodiment of this utility model, the adjustment mechanism includes a first mounting block and a second mounting block fixed on both sides of the top of the outer wall of the pad. A lead screw is rotatably connected to the first mounting block, and a hole for the lead screw to pass through is opened on the second mounting block. Two lead screw nuts are installed on the lead screw, and the lead screw nuts are connected to the adjustment plate.

[0009] As a further embodiment of this utility model, a fixing plate is fixed to the top of the adjusting plate, and the lead screw nut is fixed to the fixing plate.

[0010] As a further embodiment of this utility model, a torsion head is fixed at one end of the lead screw that passes through the second mounting block, and a hole is provided on the head end housing for the torsion head to pass through.

[0011] As a further embodiment of this utility model, a connecting rod is fixed to the side of the adjusting plate facing the torsion head, and a hole is opened on the head end housing for the connecting rod to pass through. A bent rod is fixed to the other end of the connecting rod, and a simulated sealing block is fixed to the bottom of the bent rod. A simulated ring corresponding to the simulated sealing block is fixed to the outer wall of the head end housing. With the connecting rod, bent rod, simulated sealing block and simulated ring configured, when the adjusting plate moves, the simulated sealing block connected to the bent rod moves along with it, so that the simulated sealing block and the simulated ring are misaligned. The movement of the simulated adjusting plate between the pressure plate and the pad makes it easy to intuitively observe the size of the sealing through hole. When the simulated sealing block seals the simulated ring, the adjusting plate also seals the through hole.

[0012] As a further embodiment of this utility model, the holes on the outer wall of the head end housing through which the torsion head and connecting rod pass are all fixed with sealing rings, and the torsion head and connecting rod are tightly attached to their corresponding sealing rings.

[0013] The beneficial effects of this utility model are as follows:

[0014] This utility model employs a heat exchanger central tube body, head end shell, tail end shell, sealing plate, perforated partition plate, pressure plate, adjusting plate, pad, and adjusting mechanism for adjusting the displacement of the adjusting plate. When the lead screw rotates, the two lead screw nuts move to the same side. As the adjusting plate moves to the right, the originally concentric through hole and adjusting hole gradually become misaligned. The adjusting plate moves between the pad and pressure plate, gradually sealing the through hole, thus adjusting the size of the through hole opening. Through this design, the amount of water entering the water pipe inside the heat exchanger central tube body can be adjusted, and the water pressure entering each water pipe can be controlled equally at the same time, achieving equal control and synchronous closing or sealing.

[0015] This utility model is equipped with a connecting rod, a bent rod, a simulated sealing block, and a simulated ring. When the adjusting plate moves, the simulated sealing block connected by the bent rod moves along with it, causing the simulated sealing block and the simulated ring to be misaligned. The movement of the simulating adjusting plate between the pressure plate and the pad plate makes it easy to visually observe the size of the blocked through hole. When the simulated sealing block blocks the simulated ring, the adjusting plate also achieves the sealing of the through hole. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of a heat exchanger with a built-in pressure limiting device proposed in this utility model;

[0017] Figure 2 This utility model proposes a heat exchanger with a built-in pressure limiting device. Figure 1 Schematic diagram of the structure at point A;

[0018] Figure 3 This is a partial three-dimensional structural diagram of a heat exchanger with a built-in pressure limiting device proposed in this utility model;

[0019] Figure 4 This utility model proposes a heat exchanger with a built-in pressure limiting device. Figure 3 A schematic diagram of the partially unfolded three-dimensional structure.

[0020] In the diagram: 1. Heat exchanger central tube; 2. Head end shell; 3. Tail end shell; 4. Perforated baffle; 5. Sealing plate; 6. Adjusting plate; 601. Adjusting hole; 7. Pad; 701. Through hole; 8. First mounting block; 9. Second mounting block; 10. Lead screw; 11. Torque head; 12. Lead screw nut; 13. Connecting rod; 14. Sealing ring; 15. Bent rod; 16. Simulated sealing block; 17. Simulated ring; 18. Pressure plate. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0023] Reference Figures 1-4A heat exchanger with a built-in pressure limiting device includes a heat exchanger body, which includes a heat exchanger center tube 1, a head end shell 2, and a tail end shell 3. The head end shell 2 and the tail end shell 3 are respectively fixed to both ends of the heat exchanger center tube 1. Both ends of the heat exchanger center tube 1 are fixed with perforated partition plates 4, and the perforated partition plates 4 have holes. The same water pipe is fixed to the corresponding holes on the two perforated partition plates 4. The inner wall of the head end shell 2 is fixed with sealing plates 5 that are fixed to the perforated partition plates 4. The bottom of the sealing plate 5 is fixed with a pressure plate 18 near the perforated partition plate 4. The lower semi-circular part of the perforated partition plate 4 is fixed with a pad 7. The pad 7 and the pressure plate 18 have through holes 701 that correspond to the holes on the perforated partition plate 4. An adjusting plate 6 is tightly attached between the pad 7 and the pressure plate 18, and the adjusting plate 6 has an adjusting hole 601 that corresponds to the through hole 701. An adjusting mechanism for moving the adjusting plate 6 is installed on the pad 7.

[0024] In this embodiment, the adjusting piece 6 is made of rubber.

[0025] In this embodiment, the adjustment mechanism includes a first mounting block 8 and a second mounting block 9 fixed on both sides of the top of the outer wall of the pad 7. A lead screw 10 is rotatably connected to the first mounting block 8. The second mounting block 9 has a hole for the lead screw 10 to pass through. Two lead screw nuts 12 are installed on the lead screw 10, and the lead screw nuts 12 are connected to the adjustment plate 6.

[0026] In this embodiment, a fixing plate is fixed to the top of the adjusting plate 6, and the lead screw nut 12 is fixed to the fixing plate.

[0027] In this embodiment, a torsion head 11 is fixed at one end of the lead screw 10 that passes through the second mounting block 9, and a hole is provided on the head end housing 2 for the torsion head 11 to pass through.

[0028] In this embodiment, a connecting rod 13 is fixed to the side of the adjusting plate 6 facing the torsion head 11, and a hole is provided on the head end housing 2 for the connecting rod 13 to pass through. A bent rod 15 is fixed to the other end of the connecting rod 13, and a simulated sealing block 16 is fixed to the bottom of the bent rod 15. A simulated ring 17 corresponding to the simulated sealing block 16 is fixed to the outer wall of the head end housing 2. With the connecting rod 13, bent rod 15, simulated sealing block 16 and simulated ring 17 arranged, when the adjusting plate 6 moves, the simulated sealing block 16 connected to the bent rod 15 moves along with it, so that the simulated sealing block 16 and the simulated ring 17 are misaligned, simulating the movement of the adjusting plate 6 between the pressure plate 18 and the pad 7, which facilitates intuitive observation of the size of the sealing through hole 701. When the simulated sealing block 16 seals the simulated ring 17, the adjusting plate 6 also achieves the sealing of the through hole 701.

[0029] In this embodiment, the holes on the outer wall of the head end housing 2 through which the twist head 11 and the connecting rod 13 pass are all fixed with sealing rings 14, and the twist head 11 and the connecting rod 13 are tightly attached to their corresponding sealing rings 14.

[0030] Working principle: The heat exchanger consists of a central tube 1, a head end shell 2, a tail end shell 3, a sealing plate 5, an opening partition 4, a pressure plate 18, an adjusting plate 6, a pad 7, and an adjusting mechanism for adjusting the displacement of the adjusting plate 6. The adjusting mechanism includes a first mounting block 8, a second mounting block 9, a lead screw 10, a torsion head 11, and a lead screw nut 12. By rotating the torsion head 11, the lead screw 10, which is rotatably connected to the first mounting block 8, rotates, causing the two lead screw nuts 12 to move to the same side. When the adjusting plate 6 moves to the right, the originally concentric through hole 701 and adjusting hole 601 gradually become misaligned. The adjusting plate 6 moves between the pad 7 and the pressure plate 18, gradually sealing the through hole. 701 allows for adjustment of the opening size of the through hole 701. Through the above design, the water flow into the internal water pipe of the heat exchanger's central tube 1 can be adjusted, and the water pressure entering each water pipe can be controlled equally at the same time, achieving equal control and synchronous closing or sealing. Furthermore, a connecting rod 13, a bent rod 15, a simulated sealing block 16, and a simulated ring 17 are provided. When the adjusting plate 6 moves, the simulated sealing block 16 connected to the bent rod 15 moves along with it, causing the simulated sealing block 16 to be misaligned with the simulated ring 17. The movement of the simulated adjusting plate 6 between the pressure plate 18 and the pad 7 facilitates intuitive observation of the size of the sealed through hole 701. When the simulated sealing block 16 seals the simulated ring 17, the adjusting plate 6 also seals the through hole 701.

[0031] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0032] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0033] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A heat exchanger with a built-in pressure limiting device, comprising a heat exchanger body, characterized in that, The heat exchanger body includes a heat exchanger central tube (1), a head end shell (2), and a tail end shell (3). The head end shell (2) and the tail end shell (3) are respectively fixed to both ends of the heat exchanger central tube (1). Both ends of the heat exchanger central tube (1) are fixed with perforated partition plates (4), and the perforated partition plates (4) have holes. The same water pipe is fixed to the corresponding holes on the two perforated partition plates (4). The inner wall of the head end shell (2) is fixed with a sealing plate (5) that is fixed to the perforated partition plate (4). A pressure plate (18) is fixed at the bottom of the plate (5) near the perforated partition (4). A pad (7) is fixed at the lower semicircular part of the perforated partition (4). The pad (7) and the pressure plate (18) are provided with through holes (701) corresponding to the holes on the perforated partition (4). An adjusting piece (6) is provided between the pad (7) and the pressure plate (18). The adjusting piece (6) is provided with an adjusting hole (601) corresponding to the through hole (701). An adjusting mechanism for moving the adjusting piece (6) is installed on the pad (7).

2. A heat exchanger with a built-in pressure limiting device according to claim 1, characterized in that, The adjusting piece (6) is made of rubber.

3. A heat exchanger with a built-in pressure limiting device according to claim 1, characterized in that, The adjustment mechanism includes a first mounting block (8) and a second mounting block (9) fixed on both sides of the top of the outer wall of the pad (7). A lead screw (10) is rotatably connected to the first mounting block (8). A hole for the lead screw (10) to pass through is opened on the second mounting block (9). Two lead screw nuts (12) are installed on the lead screw (10), and the lead screw nuts (12) are connected to the adjustment plate (6).

4. A heat exchanger with a built-in pressure limiting device according to claim 3, characterized in that, The top of the adjusting plate (6) is fixed with a fixing plate, and the lead screw nut (12) is fixed with the fixing plate.

5. A heat exchanger with a built-in pressure limiting device according to claim 4, characterized in that, The screw (10) has a torsion head (11) fixed at one end through the second mounting block (9), and the head end housing (2) has a hole for the torsion head (11) to pass through.

6. A heat exchanger with a built-in pressure limiting device according to claim 5, characterized in that, The adjusting plate (6) has a connecting rod (13) fixed on the side facing the torsion head (11), and the head end housing (2) has a hole for the connecting rod (13) to pass through. The other end of the connecting rod (13) is fixed with a bent rod (15), and the bottom of the bent rod (15) is fixed with a simulated sealing block (16). The outer wall of the head end housing (2) is fixed with a simulated ring (17) corresponding to the simulated sealing block (16).

7. A heat exchanger with a built-in pressure limiting device according to claim 6, characterized in that, The holes on the outer wall of the head end housing (2) through which the torsion head (11) and connecting rod (13) pass are all fixed with sealing rings (14), and the torsion head (11) and connecting rod (13) are tightly attached to their corresponding sealing rings (14).

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