Plate heat exchanger for heat supply pipeline

Abstract

The utility model relates to the field of heat exchanger equipment, in particular to a plate heat exchanger for a heat supply pipeline, which comprises a front end plate and a rear end plate mounting component, an upper transverse pipe fixing block is fixedly arranged at the top of one side of the front end plate, a lower transverse pipe fixing block is fixedly arranged at the bottom of one side of the front end plate, and four front end plate through holes are formed in the front end plate. The two sides of the front end plate are each provided with two front end plate bolt grooves, and the upper transverse pipe fixing block and the lower transverse pipe fixing block are fixedly provided with an upper transverse pipe and a lower transverse pipe correspondingly. Mutual influence of heat exchange temperatures between the heat exchange plates is effectively prevented, sliding installation of the heat exchange plates is achieved through the limiting strips fixed to the bottom of the upper transverse pipe, stability and installation convenience are improved while limiting is kept, and the sealing performance of connection between the sealing assemblies on one side of the first connecting pipe and one side of the second connecting pipe and an externally-connected pipeline is kept.

Description

Technical Field

[0001] The utility model relates to the field of heat exchanger equipment, in particular to a plate heat exchanger for heating pipelines. Background Art

[0002] As a wall-type heat transfer device, the plate heat exchanger plays an important role in many industrial fields such as chemical industry, petroleum, power, and food. It is composed of metal plate sheets with a certain corrugated shape stacked and pressed by rubber gaskets to form a detachable heat exchange device. This kind of heat exchanger has the advantages of small volume, high heat transfer efficiency, flexible assembly, and small heat loss. However, in the actual application process of the plate heat exchanger for heating pipelines, the sealing performance is poor, and the improvement of the heat exchange efficiency is limited. Therefore, a plate heat exchanger for heating pipelines is needed to solve the above problems.

[0003] Chinese Patent with Publication No. CN218627884U discloses a plate heat exchanger for heating pipelines, including clamping plates, side clamping rods, support rods, limit retaining pieces, and heat exchange plate sheets. There are two clamping plates, and the structures of the two clamping plates are the same. The structure of the utility model is reasonably designed and convenient to use, which can make the installation of the side clamping rods more stable and firm. At the same time, the side edges provided on the support rods can also make the installation of the heat exchange plate sheets more stable.

[0004] However, for the above patent, the sealing effect between the heat exchange plate sheets is poor, which will affect the heat exchange temperature between the plate sheets and cannot effectively achieve heat exchange treatment. The assembly of the heat exchange plate sheets is not convenient enough. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a plate heat exchanger for heating pipelines. The device can separate the heat exchange plate sheets through sealing rings, effectively solve the poor sealing effect, prevent the heat exchange temperature between each plate sheet from affecting each other, and can realize the sliding installation of the plate sheets and partition plates through limit strips, making the installation more convenient.

[0006] To achieve the above objectives, the technical solution adopted by the utility model is as follows: A plate heat exchanger for a heating pipeline, comprising a front end plate and a rear end plate installation component. On the top side of the front end plate, an upper horizontal pipe fixing block is fixedly arranged, and on the bottom side of the front end plate, a lower horizontal pipe fixing block is fixedly arranged. Four front end plate through holes are opened on the front end plate, and two front end plate bolt grooves are opened on both sides of the front end plate. An upper horizontal pipe and a lower horizontal pipe are respectively fixedly arranged on the upper horizontal pipe fixing block and the lower horizontal pipe fixing block, and one end of the upper horizontal pipe and the lower horizontal pipe is fixedly connected to the front end plate through fixing screws. The other ends of the upper horizontal pipe and the lower horizontal pipe pass through the rear end plate installation component and are fixedly provided with a support plate. A limiting strip is fixedly arranged at the bottom of the upper horizontal pipe, and the rear end plate installation component is slidably arranged on the limiting strip. A plurality of plate components are sequentially stacked and installed between the front end plate and the rear end plate installation component. Two connecting pipes one and two connecting pipes two are respectively fixedly arranged in the four front end plate through holes. Sealing components are fixedly arranged on the two connecting pipes one and the two connecting pipes two. A plurality of fixing components are respectively connected to both sides of the front end plate and the rear end plate installation component. One side of the rear end plate installation component is fixedly communicated with a connecting pipe.

[0007] Further, the plate component includes a heat exchange plate, a plurality of heat exchange through holes, a plate seal ring, and a plate groove. A plurality of heat exchange plates are sequentially stacked and installed between the front end plate and the rear end plate installation component. A plurality of heat exchange through holes are opened on the heat exchange plate. Plate seal rings are fixedly arranged on both sides of the heat exchange plate. A plate groove is fixedly opened on the top of the heat exchange plate.

[0008] Further, the sealing component includes a flange, a flange seal ring, and a plurality of flange through holes. Flanges are fixedly arranged on one side of the connecting pipe one and the connecting pipe two. A flange seal ring is fixedly arranged on one side of the flange. A plurality of flange through holes are opened on the flange, and the through holes on the flange and the flange seal ring are symmetric with each other.

[0009] Further, the rear end plate installation component includes a rear end plate, a chute one, a chute two, two fixing blocks, a plurality of rear end plate through holes, a bolt groove, a roller, and a roller bolt. The chute one and the chute two are respectively opened on the top and bottom of the rear end plate. Two fixing blocks are fixedly arranged on both sides of the top of the chute one. A plurality of rear end plate through holes are opened on the rear end plate. The roller bolt is rotatably arranged on the two fixing blocks, and the roller is rotatably arranged on the roller bolt. The bolt groove is opened on both sides of the rear end plate.

[0010] Further, the fixing component includes a plurality of bolt rods and nuts. A plurality of bolt rods are respectively connected in the front end plate bolt grooves on both sides of the front end plate and the bolt grooves on both sides of the rear end plate installation component. Nuts are threadedly connected to one end of each of the plurality of bolt rods.

[0011] The working principle and usage principle of the present utility model are as follows: When in use, first fix the front end plate, upper horizontal pipe, and lower horizontal pipe with fixing screws. Slide and connect them to the limiting strips through the plate grooves, and stack several heat exchange plates in sequence. The plate seals between the heat exchange plates can play the role of isolating and sealing between the heat exchange plates, so that the heat exchange temperatures are not affected by each other. After the installation of the heat exchange plates is completed, install the rear end plate installation assembly between the upper horizontal pipe and the lower horizontal pipe. One side of the rear end plate installation assembly is attached to one side of the heat exchange plates after installation, and then fix the support plate. Fix and connect the front end plate and the rear end plate respectively through the fixing components to keep the internal heat exchange plates and the plate seals tightened, achieving clamping and ensuring safety. The connecting pipe 1, connecting pipe 2, and sealing assembly on one side of the front end plate realize the output and input of the hot medium and the cold medium, achieving heat exchange treatment. The connecting pipe realizes the connection of the rear end plate to the rear end plate through hole on one side, and fixes and installs the external connecting pipe through the sealing assembly to maintain stability.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: The device stacks and connects the heat exchange plates, separates the heat exchange plates and seals between the heat exchange plates through the plate seals, effectively preventing the heat exchange temperatures between the heat exchange plates from affecting each other. The limiting strips fixed at the bottom of the upper horizontal pipe realize the sliding installation of the heat exchange plates, maintaining the limit while also increasing the stability and installation convenience. The sealing assembly on one side of the connecting pipe 1 and the connecting pipe 2 maintains the connection tightness with the externally connected pipes. Description of the Drawings

[0013] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0014] Figure 2 It is a schematic diagram of a partial structure of the front end plate in an embodiment of the present utility model;

[0015] Figure 3 It is an enlarged schematic diagram of part A in an embodiment of the present utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the plate assembly in an embodiment of the present utility model;

[0017] Figure 5 It is a schematic diagram of the rear end plate in an embodiment of the present utility model;

[0018] Figure 6 It is a schematic diagram of the structure of the fixing component in an embodiment of the present utility model.

[0019] Description of the reference numerals: 1, front end plate; 101, upper horizontal pipe fixing block; 102, lower horizontal pipe fixing block; 103, front end plate through hole; 104, front end plate bolt groove; 2, support plate; 3, upper horizontal pipe; 4, lower horizontal pipe; 5, limiting strip; 6, plate assembly; 601, heat exchange plate; 602, heat exchange through hole; 603, plate seal ring; 604, plate groove; 605, seal ring groove; 7, sealing assembly; 701, flange; 702, flange seal ring; 703, flange through hole; 8, rear end plate installation assembly; 801, rear end plate; 802, chute 1; 803, chute 2; 804, fixing block; 805, rear end plate through hole; 806, bolt groove; 807, roller; 808, roller bolt; 9, fixing assembly; 901, bolt rod; 902, nut; 10, connecting pipe 1; 11, connecting pipe 2; 12, communicating pipe; 13, fixing screw. Detailed implementation manners

[0020] In order to make the technical means, creative features, achieved purposes and functions realized by the embodiments of the present application easy to understand, the embodiments of the present application will be further described below in conjunction with the drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the embodiments of the present application and are not used to limit the embodiments of the present application.

[0021] According to Figure 1 and Figure 2 As shown, a plate heat exchanger for a heating pipeline includes a front end plate 1 and a rear end plate installation assembly 8. An upper horizontal pipe fixing block 101 is fixedly arranged at the top of one side of the front end plate 1, and a lower horizontal pipe fixing block 102 is fixedly arranged at the bottom of one side of the front end plate 1. Four front end plate through holes 103 are formed on the front end plate 1, and two front end plate bolt grooves 104 are formed on both sides of the front end plate 1. An upper horizontal pipe 3 and a lower horizontal pipe 4 are respectively fixedly arranged on the upper horizontal pipe fixing block 101 and the lower horizontal pipe fixing block 102, and one ends of the upper horizontal pipe 3 and the lower horizontal pipe 4 are fixedly connected to the front end plate 1 through fixing screws 13. The other ends of the upper horizontal pipe 3 and the lower horizontal pipe 4 pass through the rear end plate installation assembly 8 and are fixedly provided with a support plate 2. A limiting strip 5 is fixedly arranged at the bottom of the upper horizontal pipe 3, and the rear end plate installation assembly 8 is slidably arranged on the limiting strip 5. A plurality of plate assemblies 6 are sequentially stacked and installed between the front end plate 1 and the rear end plate installation assembly 8. Two connecting pipes 10 and two connecting pipes 2 are respectively fixedly arranged in the four front end plate through holes 103. Sealing assemblies 7 are fixedly arranged on the two connecting pipes 10 and the two connecting pipes 2. A plurality of fixing assemblies 9 are respectively connected to both sides of the front end plate 1 and the rear end plate installation assembly 8. A communicating pipe 12 is fixedly communicated with one side of the rear end plate installation assembly 8.

[0022] In this embodiment, the front end plate 1, the upper horizontal pipe 3, and the lower horizontal pipe 4 are fixed by fixing screws 13. The plate assembly 6 is slidably connected to the limiting strip 5, and several plate assemblies 6 are stacked in sequence. After the installation of the plate assembly 6 is completed, the rear end plate installation assembly 8 is installed between the upper horizontal pipe 3 and the lower horizontal pipe 4. One side of the rear end plate installation assembly 8 is attached to one side of the plate assembly 6 after installation. Then, the support plate 2 is fixed, and the front end plate 1 and the rear end plate installation assembly 8 are respectively fixedly connected through the fixing assembly 9 to achieve clamping and ensure safety. The connecting pipe 10, the connecting pipe 11, and the sealing assembly 7 on one side of the front end plate 1 realize the output and input of the heat medium and the cold medium, achieve heat exchange treatment, the connecting pipe 12 realizes the connection on one side of the rear end plate installation assembly 8, and the external connecting pipes are fixedly installed through the sealing assembly 7 to maintain stability.

[0023] As shown in Figure 4 Figure, the plate assembly 6 includes heat exchange plates 601, a plurality of heat exchange through holes 602, plate seals 603, plate grooves 604, and seal grooves 605. A plurality of heat exchange plates 601 are stacked and installed in sequence between the front end plate 1 and the rear end plate installation assembly 8. A plurality of heat exchange through holes 602 are opened on the heat exchange plates 601. The plate seals 603 are fixedly arranged on both sides of the heat exchange plates 601. The seal grooves 605 are opened on the plate seals 603. The plate grooves 604 are fixedly opened at the top of the heat exchange plates 601.

[0024] In this embodiment, corrugated grooves are opened on the heat exchange plates 601, which increases the heat exchange effect of the heat medium and the cold medium during heat exchange. When the heat medium and the cold medium flow through the plurality of heat exchange through holes 602, the plate seals 603 play a role in separating the heat exchange plates 601 and increasing the sealing performance between the heat exchange plates 601. The heat medium and the cold medium can flow from the seal grooves 605 to the entire heat exchange plates 601, and the plate grooves 604 play a role in restricting sliding during installation and increasing stability.

[0025] As shown in Figure 2 and Figure 3 Figure, the sealing assembly 7 includes a flange 701, a flange seal 702, and a plurality of flange through holes 703. The flanges 701 are fixedly arranged on one side of the connecting pipe 10 and the connecting pipe 11. The flange seals 702 are fixedly arranged on one side of the flanges 701. A plurality of flange through holes 703 are opened on the flanges 701, and the plurality of flange through holes 703 are symmetric with the through holes on the flange seals 702.

[0026] In this embodiment, the flange 701 on one side of the first connecting pipe 10 and the second connecting pipe 11 facilitates fixation with an external pipeline. The flange sealing ring 702 can improve the sealing performance during connection. The multiple flange through holes 703 maintain the stability of installation and prevent leakage of the heat exchange medium.

[0027] According to Figure 5 As shown, the rear end plate installation assembly 8 includes a rear end plate 801, a first chute 802, a second chute 803, two fixing blocks 804, multiple rear end plate through holes 805, a bolt groove 806, rollers 807, and roller bolts 808. The first chute 802 and the second chute 803 are respectively opened at the top and bottom of the rear end plate 801. The two fixing blocks 804 are fixedly arranged on both sides of the top of the first chute 802. The multiple rear end plate through holes 805 are opened on the rear end plate 801. The roller bolts 808 are rotatably arranged on the two fixing blocks 804. The rollers 807 are rotatably arranged on the roller bolts 808. The bolt grooves 806 are opened on both sides of the rear end plate 801.

[0028] In this embodiment, the first chute 802 and the second chute 803 are respectively opened at the top and bottom of the rear end plate 801. The two fixing blocks 804 are fixedly arranged on both sides of the top of the first chute 802. The multiple rear end plate through holes 805 are opened on the rear end plate 801. The roller bolts 808 are rotatably arranged on the two fixing blocks 804. The rollers 807 are rotatably arranged on the roller bolts 808. When installing the rear end plate 801, the first chute 802 is slidably sleeved on the upper horizontal pipe 3, and the sliding installation is carried out through the rollers 807 on the roller bolts 808. The two fixing blocks 804 play a role in supporting the rollers 807. The bolt grooves 806 opened on both sides of the rear end plate 801 facilitate clamping and fixing of the rear end plate 801. One side of the multiple rear end plate through holes 805 is communicated with the heat exchange through hole 602, and the other side is connected with a communicating pipe 12 to return the heat exchange medium.

[0029] According to Figure 6 As shown, the fixing assembly 9 includes multiple bolt rods 901 and nuts 902. The multiple bolt rods 901 are respectively connected in the front end plate bolt grooves 104 on both sides of the front end plate 1 and the bolt grooves 806 on both sides of the rear end plate installation assembly 8. One end of each of the multiple bolt rods 901 is threadedly connected with a nut 902.

[0030] In this embodiment, the multiple bolt rods 901 and the nuts 902 are threadedly connected to play a role in fixed installation, realizing the clamping of the front end plate 1 and the rear end plate installation assembly 8 on the plate assembly 6 and completing stable locking.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A plate heat exchanger for a heating pipeline, comprising a front plate (1) and a rear plate mounting assembly (8), characterized in that: An upper transverse tube fixing block (101) is fixedly arranged at the top of one side of the front end plate (1), and a lower transverse tube fixing block (102) is fixedly arranged at the bottom of one side of the front end plate (1). Four front end plate through holes (103) are provided on the front end plate (1), and two front end plate bolt grooves (104) are provided on both sides of the front end plate (1). An upper transverse tube (3) and a lower transverse tube (4) are fixedly arranged on the upper transverse tube fixing block (101) and the lower transverse tube fixing block (102), respectively, and one end of the upper transverse tube (3) and the lower transverse tube (4) are fixedly connected to the front end plate (1) by fixing screws (13), and the other ends of the upper transverse tube (3) and the lower transverse tube (4) pass through the rear end plate mounting assembly (8) and are fixedly arranged with a support A support plate (2) and a limit strip (5) are fixedly arranged at the bottom of the upper transverse tube (3); a rear end plate mounting assembly (8) is slidably arranged on the limit strip (5); a plurality of plate assemblies (6) are sequentially stacked and installed between the front end plate (1) and the rear end plate mounting assembly (8); two connecting tubes one (10) and two connecting tubes two (11) are respectively fixedly arranged in four front end plate through holes (103); a sealing assembly (7) is fixedly arranged on the two connecting tubes one (10) and the two connecting tubes two (11); a plurality of fixing assemblies (9) are respectively connected to both sides of the front end plate (1) and the rear end plate mounting assembly (8); and a connecting pipe (12) is fixedly connected to one side of the rear end plate mounting assembly (8).

2. A plate heat exchanger for a heating pipeline according to claim 1, characterized in that: The plate assembly (6) comprises a plurality of heat exchange plates (601), a plurality of heat exchange through holes (602), a plate sealing ring (603), a plate groove (604) and a sealing ring groove (605); the plurality of heat exchange plates (601) are sequentially stacked and installed between the front plate (1) and the rear plate mounting assembly (8); the plurality of heat exchange through holes (602) are provided on the heat exchange plates (601); the plate sealing rings (603) are fixedly arranged on both sides of the heat exchange plates (601); the sealing ring grooves (605) are provided on the plate sealing rings (603); and the plate grooves (604) are fixedly provided on the top of the heat exchange plates (601).

3. A plate heat exchanger for a heating pipeline according to claim 1 or 2, characterized in that: The sealing assembly (7) comprises a flange (701), a flange sealing ring (702) and a plurality of flange through holes (703); the flanges (701) are fixedly arranged on one side of the connecting pipe 1 (10) and the connecting pipe 2 (11); the flange sealing ring (702) is fixedly arranged on one side of the flange (701); the plurality of flange through holes (703) are arranged on the flange (701); and the plurality of flange through holes (703) and the through holes on the flange sealing ring (702) are symmetrical with each other.

4. A plate heat exchanger for a heating pipeline according to claim 1 or 2, characterized in that: The rear end plate mounting assembly (8) comprises a rear end plate (801), a first slide groove (802), a second slide groove (803), two fixed blocks (804), a plurality of rear end plate through holes (805), a bolt groove (806), a roller (807) and a roller bolt (808); the first slide groove (802) and the second slide groove (803) are respectively arranged at the top and the bottom of the rear end plate (801); the two fixed blocks (804) are fixedly arranged at both sides of the top of the first slide groove (802); the plurality of rear end plate through holes (805) are arranged on the rear end plate (801); the roller bolt (808) is rotatably arranged on the two fixed blocks (804); the roller (807) is rotatably arranged on the roller bolt (808); and the bolt groove (806) is arranged at both sides of the rear end plate (801).

5. A plate heat exchanger for a heating pipeline according to claim 3, characterized in that: The rear end plate mounting assembly (8) comprises a rear end plate (801), a first slide groove (802), a second slide groove (803), two fixed blocks (804), a plurality of rear end plate through holes (805), a bolt groove (806), a roller (807) and a roller bolt (808); the first slide groove (802) and the second slide groove (803) are respectively arranged at the top and the bottom of the rear end plate (801); the two fixed blocks (804) are fixedly arranged at both sides of the top of the first slide groove (802); the plurality of rear end plate through holes (805) are arranged on the rear end plate (801); the roller bolt (808) is rotatably arranged on the two fixed blocks (804); the roller (807) is rotatably arranged on the roller bolt (808); and the bolt groove (806) is arranged at both sides of the rear end plate (801).

6. A plate heat exchanger for a heating pipeline according to claim 3, characterized in that: The fixing assembly (9) comprises a plurality of bolt rods (901) and nuts (902); the plurality of bolt rods (901) are respectively connected to the front plate bolt grooves (104) on both sides of the front plate (1) and the bolt grooves (806) on both sides of the rear plate mounting assembly (8); and one end of the plurality of bolt rods (901) is threadedly connected to a nut (902).

7. A plate heat exchanger for a heating pipeline according to claim 4, characterized in that: The fixing assembly (9) comprises a plurality of bolt rods (901) and nuts (902); the plurality of bolt rods (901) are respectively connected to the front plate bolt grooves (104) on both sides of the front plate (1) and the bolt grooves (806) on both sides of the rear plate mounting assembly (8); and one end of the plurality of bolt rods (901) is threadedly connected to a nut (902).

8. A plate heat exchanger for a heating pipeline according to claim 1, 2 or 5, characterized in that: The fixing assembly (9) comprises a plurality of bolt rods (901) and nuts (902); the plurality of bolt rods (901) are respectively connected to the front plate bolt grooves (104) on both sides of the front plate (1) and the bolt grooves (806) on both sides of the rear plate mounting assembly (8); and one end of the plurality of bolt rods (901) is threadedly connected to a nut (902).

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