Plate sheet group of plate heat exchanger

Abstract

The utility model relates to the technical field of plate-type heat exchangers, and discloses a plate-type heat exchanger plate sheet set which comprises baffles and heat exchange plates, the number of the heat exchange plates is two, the heat exchange plates are arranged between the two baffles, and cold medium pipes and hot medium pipes are connected to the side portions of the baffles in an inserted mode. A plurality of heat exchange plates are arranged in the cold medium pipe and the hot medium pipe in a penetrating mode, a fixing rod is installed on the side portion of the baffle, clamping plates are arranged on the side portion of the cold medium pipe and the side portion of the hot medium pipe, through holes are formed in the side portions of the heat exchange plates, and the through holes are in sliding connection with the cold medium pipe and the hot medium pipe. The multiple heat exchange plates are placed between the two baffles, the fixing rods are clamped in the clamping grooves and fixed through the bolts, then the cold medium pipe and the hot medium pipe are inserted into the through holes, the clamping plates are clamped in the sliding grooves, the two ends of the cold medium pipe and the two ends of the hot medium pipe are screwed through the bolts, medium leakage is avoided, and safe operation of a system is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of plate heat exchangers, in particular to a plate group of a plate heat exchanger. Background Art

[0002] The plate heat exchanger plate group refers to the heat exchange plate assembly in the plate heat exchanger. A plate heat exchanger is a device used for heat exchange, which achieves heat transfer through a series of plastic plates stacked together. The plate assembly is usually made of plastic material, has a large surface area, and can effectively conduct heat. The design and arrangement of these plate assemblies can be adjusted according to specific heat exchange requirements to achieve the best heat exchange effect. In a plate heat exchanger, heat exchange between fluids is achieved through heat conduction between plate assemblies, and it is often used in industrial production and HVAC systems.

[0003] At present, the plate assembly of the plate heat exchanger is usually installed by bolt connection. Bolted connection has the risk of leakage, especially after long-term use, the bolts and gaskets may become loose or aged, leading to leakage problems. In this regard, we propose a plate heat exchanger plate group. Utility Model Content

[0004] The utility model provides a plate group of a plate heat exchanger, which has the beneficial effects of improving the sealing of the pipeline system, avoiding medium leakage, and ensuring the safe operation of the system. It solves the problem that the plate assembly of the plate heat exchanger mentioned in the above background technology is usually installed by bolt connection. The bolt connection has the risk of leakage, especially after long-term use, the bolts and gaskets may become loose or aged, resulting in leakage problems.

[0005] The utility model provides the following technical solution: a plate heat exchanger plate group, including a baffle and a heat exchange plate, wherein a plurality of heat exchange plates are provided, and two baffles are provided, and the plurality of heat exchange plates are arranged between the two baffles, a cold medium pipe and a hot medium pipe are inserted into the side of the baffle, and the cold medium pipe and the hot medium pipe are inserted into the plurality of heat exchange plates, a fixing rod is installed on the side of the baffle, a clamping plate is provided on the side of the cold medium pipe and the hot medium pipe, and a through hole is opened on the side of the heat exchange plate, and the through hole is slidably connected with the cold medium pipe and the hot medium pipe.

[0006] As an optional solution for a plate group of a plate type heat exchanger described in the utility model, wherein: a card slot is opened on the side of the baffle, and six card slots are provided, and the six card slots are distributed on both sides of the baffle.

[0007] As an optional solution for a plate heat exchanger plate group described in the utility model, there are six fixing rods, the six fixing rods are slidably engaged in the inside of the slots, and nuts are threadedly connected at both ends of the fixing rods.

[0008] As an optional solution for a plate group of a plate type heat exchanger described in the utility model, wherein: a sliding groove is opened on the side of the through hole, and the clamping plate is slidably connected to the sliding groove.

[0009] As an optional scheme for a plate heat exchanger plate group described in the utility model, the clamping plate includes an upper plate and a lower plate, the lower plate is connected to the outside of the cold medium pipe and the hot medium pipe, and the upper plate is connected to the end of the lower plate.

[0010] As an optional solution for a plate group of a plate type heat exchanger described in the utility model, a telescopic column is arranged between the upper plate and the lower plate, and a spring is sleeved on the outer side of the telescopic column.

[0011] As an optional solution for a plate group of a plate heat exchanger described in the utility model, wherein: a heat insulation strip is connected to the side of the baffle, two heat insulation strips are provided, and a sealing component is provided between the two heat insulation strips.

[0012] As an optional solution for a plate group of a plate heat exchanger described in the utility model, wherein: the sealing assembly includes a sealing ring and a thermal insulation pad, two thermal insulation pads are provided, and the thermal insulation pad is arranged between the two sealing rings.

[0013] The utility model has the following beneficial effects:

[0014] 1. The plate group of a plate type heat exchanger is provided with a clamping plate that slides and engages with a sliding groove. During installation, a plurality of heat exchange plates are placed between two baffles, a fixing rod is clamped in the clamping groove, and fixed by bolts, and then a cold medium pipe and a hot medium pipe are inserted into the through hole, and the cold medium pipe and the hot medium pipe are rotated so that the clamping plate is clamped in the sliding groove, and bolts are used to tighten the two ends of the cold medium pipe and the hot medium pipe. By tightening the two ends of the cold medium pipe and the hot medium pipe with bolts, the sealing of the pipeline system can be improved, medium leakage can be avoided, and the safe operation of the system can be ensured.

[0015] 2. This plate heat exchanger plate group, by setting a sealing component, sets the sealing ring between two insulation pads. The setting of the sealing ring and the insulation pad can improve the sealing performance of the system, ensure that the cold medium and the hot medium will not leak when flowing in the heat exchange plate system, thereby ensuring the normal operation and safety of the system. The design of the insulation pad can reduce the heat loss of the hot medium during the flow process, improve the heat exchange efficiency, and reduce energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0017] Figure 2 This is a schematic diagram of the baffle structure of the utility model.

[0018] Figure 3 This is a schematic diagram of the heat exchange plate structure of the utility model.

[0019] Figure 4 This is a schematic diagram of the sealing component structure of the utility model.

[0020] Figure 5 This is a schematic diagram of the fixing rod structure of the utility model.

[0021] Figure 6 This is a schematic diagram of the card structure of the utility model

[0022] In the figure: 110, baffle; 111, fixing rod; 112, slot; 113, nut; 120, heat exchange plate; 121, through hole; 122, sliding groove; 130, cold medium pipe; 131, hot medium pipe; 132, clamping plate; 133, upper plate; 134, lower plate; 135, telescopic column; 140, spring; 141, insulation strip; 142, sealing assembly; 143, sealing ring; 144, insulation pad. 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] Embodiment 1: This embodiment is intended to solve the problem that the plate assembly of the plate heat exchanger is usually installed by bolt connection. Bolt connection has the risk of leakage, especially after long-term use, the bolts and gaskets may become loose or aged, resulting in leakage. Please refer to Figure 1-6A plate heat exchanger plate group includes a baffle 110 and a heat exchange plate 120, wherein a plurality of heat exchange plates 120 are provided, and two baffles 110 are provided, wherein the plurality of heat exchange plates 120 are provided between the two baffles 110, and a cold medium pipe 130 and a hot medium pipe 131 are inserted into the side of the baffle 110, and the ends of the cold medium pipe 130 and the hot medium pipe 131 are connected to the cold medium output end and the hot medium output end, and the cold medium pipe 130 and the hot medium pipe 131 are inserted through the plurality of heat exchange plates 120, and a fixing rod 111 is installed on the side of the baffle 110, and a clamping plate 132 is provided on the side of the cold medium pipe 130 and the hot medium pipe 131, and a through hole 121 is opened on the side of the heat exchange plate 120, and the through hole 121 is slidably connected with the cold medium pipe 130 and the hot medium pipe 131.

[0025] A card slot 112 is opened on the side of the baffle 110, and there are six card slots 112, which are distributed on both sides of the baffle 110. Six fixing rods 111 are provided, and the six fixing rods 111 are slidably engaged in the inside of the card slot 112. Both ends of the fixing rod 111 are threadedly connected with nuts 113. By sliding the fixing rod 111 in the card slot 112 and threading the two ends of the fixing rod 111 with the nuts 113, the stability of the entire structure can be ensured, and the loosening or falling off of the components due to vibration or other factors during operation can be avoided.

[0026] A sliding groove 122 is provided on the side of the through hole 121, and a clamping plate 132 is slidably connected to the sliding groove 122. The clamping plate 132 includes an upper plate 133 and a lower plate 134. The lower plate 134 is connected to the outside of the cold medium pipe 130 and the hot medium pipe 131. The upper plate 133 is connected to the end of the lower plate 134. A telescopic column 135 is provided between the upper plate 133 and the lower plate 134. A spring 140 is sleeved on the outside of the telescopic column 135. The elasticity of the spring 140 can smoothly adjust the gap between the upper plate 133 and the lower plate 134 to adapt to different working conditions, ensure the smooth operation of the through hole 121 system, and reduce problems caused by excessively large or small gaps.

[0027] In this embodiment, by setting the clamping plate 132 to slide and engage with the sliding groove 122, during installation, a plurality of heat exchange plates 120 are placed between the two baffles 110, the fixing rod 111 is engaged in the clamping groove 112, and fixed by bolts, and then the cold medium pipe 130 and the hot medium pipe 131 are inserted into the through hole 121, and the cold medium pipe 130 and the hot medium pipe 131 are rotated so that the clamping plate 132 is engaged in the sliding groove 122, and the cold medium pipe 130 and the hot medium pipe 131 are tightened with bolts at both ends. By tightening the cold medium pipe 130 and the hot medium pipe 131 with bolts at both ends, the sealing of the pipeline system can be improved, the medium leakage can be avoided, and the safe operation of the system can be ensured.

[0028] Embodiment 2: This embodiment is intended to promote the solution of the problem of heat loss caused by the breakage of the thermal insulation pad 144. This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 1-6 A heat insulating strip 141 is connected to the side of the baffle 110. Two heat insulating strips 141 are provided. A sealing assembly 142 is provided between the two heat insulating strips 141. The sealing assembly 142 includes a sealing ring 143 and a heat insulating pad 144. Two heat insulating pads 144 are provided. The heat insulating pad 144 is provided between the two sealing rings 143. The design of the heat insulating pad 144 can reduce the heat loss of the heat medium during the flow process and improve the energy utilization rate. By providing two heat insulating pads 144, when the outer heat insulating pad 144 is damaged, the inner heat insulating pad 144 can still be insulated.

[0029] In this embodiment: by setting the sealing component 142, the sealing ring 143 is set between the two insulation pads 144. The setting of the sealing ring 143 and the insulation pad 144 can improve the sealing performance of the system, ensure that the cold medium and the hot medium will not leak when flowing in the heat exchange plate 120 system, thereby ensuring the normal operation and safety of the system. The design of the insulation pad 144 can reduce the heat loss of the hot medium during the flow process, improve the heat exchange efficiency, and reduce energy consumption.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A plate heat exchanger plate assembly, comprising a baffle (110) and a heat exchange plate (120), wherein a plurality of heat exchange plates (120) are provided, two baffles (110) are provided, and the plurality of heat exchange plates (120) are provided between the two baffles (110), characterized in that: A cold medium pipe (130) and a hot medium pipe (131) are inserted into the side of the baffle (110), and the cold medium pipe (130) and the hot medium pipe (131) are inserted through a plurality of the heat exchange plates (120); a fixing rod (111) is installed on the side of the baffle (110); a clamping plate (132) is arranged on the side of the cold medium pipe (130) and the hot medium pipe (131); a through hole (121) is opened on the side of the heat exchange plate (120); and the through hole (121) is slidably connected to the cold medium pipe (130) and the hot medium pipe (131); A card slot (112) is provided on the side of the baffle (110), six card slots (112) are provided, and the six card slots (112) are distributed on both sides of the baffle (110); Six fixing rods (111) are provided, and the six fixing rods (111) are slidably engaged in the inside of the clamping groove (112), and nuts (113) are threadedly connected at both ends of the fixing rods (111); The side of the baffle (110) is connected to a heat insulation strip (141), two heat insulation strips (141) are provided, and a sealing assembly (142) is provided between the two heat insulation strips (141); The sealing assembly (142) comprises a sealing ring (143) and a heat insulating pad (144), two of the heat insulating pads (144) are provided, and the heat insulating pad (144) is arranged between the two sealing rings (143).

2. A plate heat exchanger plate assembly according to claim 1, characterized in that: A sliding groove (122) is provided on the side of the through hole (121), and the clamping plate (132) is slidably connected to the sliding groove (122).

3. The plate assembly of a plate heat exchanger according to claim 1, characterized in that: The clamping plate (132) comprises an upper plate (133) and a lower plate (134), wherein the lower plate (134) is connected to the outer sides of the cold medium pipe (130) and the hot medium pipe (131), and the upper plate (133) is connected to the end of the lower plate (134).

4. A plate heat exchanger plate assembly according to claim 3, characterized in that: A telescopic column (135) is provided between the upper plate (133) and the lower plate (134), and a spring (140) is sleeved on the outer side of the telescopic column (135).

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