CN217236568U

CN217236568U - Plate heat exchanger

Info

Publication number: CN217236568U
Application number: CN202220554905.3U
Authority: CN
Inventors: 董守国
Original assignee: Shandong Hengerte Mechanical And Electrical Equipment Co ltd
Current assignee: Shandong Hengerte Mechanical And Electrical Equipment Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-08-19
Anticipated expiration: 2032-03-14

Abstract

The utility model discloses a plate heat exchanger, including first clamp plate, the four corners position department of first clamp plate has all run through clamping screw, and clamping screw keeps away from the outside of first clamp plate one end and is provided with the second clamp plate, the bottom and the intermediate position department that the second clamp plate is close to first clamp plate one side have all seted up the intercommunication groove, evenly be provided with the heat transfer board between first clamp plate and the second clamp plate. The utility model discloses a be provided with the through-hole on the heat transfer board, abnormal shape recess for can form the runner cooperation after the polylith heat transfer board amalgamation and accomplish the heat exchange task, thereby simultaneously operating personnel only need loosen clamping nut and clamping screw can take the heat transfer board out and maintain cleanly in the runner, only need change the heat transfer board that corresponds when the part takes place to damage in the runner simultaneously can, and can be so that liquid more abundant and the contact of heat transfer board, thereby can further increase the heat transfer effect.

Description

Plate heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field especially relates to plate heat exchanger.

Background

In many modern industrial production and ore mining processes, heat exchangers are often used, and the main working principle of the heat exchangers is to exchange heat of cold and hot fluids so as to achieve heating or cooling effects, and therefore the heat exchangers are regarded as heaters, coolers and the like.

When the existing heat exchanger is used, the conveying task of fluid is generally finished by arranging pipe fittings or starting holes in the existing heat exchanger, so that the existing heat exchanger is very inconvenient to overhaul and maintain the interior of the existing heat exchanger in the actual use process, and meanwhile, the whole heat exchanger needs to be replaced when the interior is damaged and leaked, and the overall maintenance cost is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a plate heat exchanger.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the plate heat exchanger comprises a first clamping plate, clamping screws penetrate through four corners of the first clamping plate, a second clamping plate is arranged on the outer side of one end, away from the first clamping plate, of each clamping screw, communicating grooves are formed in the bottom and the middle of one side, close to the first clamping plate, of each second clamping plate, heat exchange plates are uniformly arranged between the first clamping plate and the second clamping plate, positioning grooves are formed in the two ends, close to the first clamping plate, of each second clamping plate and the two ends, close to the second clamping plate, of each heat exchange plate, positioning blocks are mounted at the two ends, close to the second clamping plate, of the first clamping plate and the two ends, extending to the insides of the positioning grooves, clamping nuts are sleeved on the outer sides, away from one end of the first clamping plate, of the clamping screws, through holes are formed in the tops and the middle of the two ends of one side of each heat exchange plate, and special-shaped grooves are formed in the two sides of the inner walls of the through holes, communicating pipes are arranged at the bottoms and the middle positions of the two ends of one side, far away from the heat exchange plate, of the first clamping plate in a penetrating mode.

Preferably, the positioning block is hemispherical, and the positioning block and the positioning groove are mutually matched.

Preferably, the central axis of the clamping nut and the central axis of the clamping screw are coincident with each other, and the clamping nut and the clamping screw are in threaded connection.

Preferably, a gasket is pasted at one end of the clamping nut close to the second clamping plate, and the gasket is tightly attached to the second clamping plate.

Preferably, the inner side walls of the through hole and the special-shaped groove are both pasted with sealing gaskets, and the sealing gaskets are made of rubber materials.

Preferably, the fixed blocks are uniformly arranged in the special-shaped grooves, and gaps are reserved between the fixed blocks and the inner side walls of the special-shaped grooves.

Compared with the prior art, the utility model, its beneficial effect does:

1. through the through holes and the special-shaped grooves formed in the heat exchange plates, a runner can be formed after the heat exchange plates are spliced to complete a heat exchange task, meanwhile, an operator only needs to loosen the clamping nut and the clamping screw to draw out the heat exchange plates to maintain and clean the interior of the runner, and meanwhile, when the middle part of the runner is damaged, only the corresponding heat exchange plate needs to be replaced.

2. Through being provided with the fixed block in the heterotypic recess for liquid can form the torrent when flowing in the runner that heterotypic recess formed, makes more abundant and the contact of heat transfer board of liquid, thereby can further increase heat transfer effect.

Drawings

Fig. 1 is a schematic front sectional view of a plate heat exchanger according to the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

fig. 3 is a schematic side view of a heat exchange plate of a plate heat exchanger according to the present invention;

fig. 4 is a schematic side view of a second clamping plate of the plate heat exchanger according to the present invention;

fig. 5 is a schematic side view of the first clamping plate of the plate heat exchanger according to the present invention.

In the figure: the device comprises a first clamping plate 1, a clamping screw rod 2, a second clamping plate 3, a communicating groove 4, a heat exchange plate 5, a positioning groove 6, a positioning block 7, a clamping nut 8, a gasket 9, a through hole 10, a special-shaped groove 11, a communicating pipe 12, a sealing gasket 13 and a fixing block 14.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-5, the plate heat exchanger includes a first clamping plate 1, clamping screws 2 are respectively penetrated through four corners of the first clamping plate 1, and the outer side of the end of the clamping screw 2 far away from the first clamping plate 1 is provided with a second clamping plate 3, the bottom and the middle position of one side of the second clamping plate 3 close to the first clamping plate 1 are both provided with communicating grooves 4, a heat exchange plate 5 is uniformly arranged between the first clamping plate 1 and the second clamping plate 3, the two ends of one side of the second clamping plate 3 and the heat exchange plate 5 close to the first clamping plate 1 are both provided with positioning grooves 6, the two ends of one side of the first clamping plate 1 and the heat exchange plate 5 close to the second clamping plate 3 are both provided with positioning blocks 7, the positioning block 7 extends to the inside of the positioning groove 6, the positioning block 7 is hemispherical, the positioning block 7 is mutually matched with the positioning groove 6, in the splicing process, an operator can position the positioning block 7 by inserting the positioning block into the corresponding positioning groove 6;

the outer side of one end, away from the first clamping plate 1, of the clamping screw 2 is sleeved with a clamping nut 8, the central axis of the clamping nut 8 is overlapped with the central axis of the clamping screw 2, and the clamping nut 8 is in threaded connection with the clamping screw 2, so that an operator can clamp the first clamping plate 1 and the second clamping plate 3 by screwing the clamping nut 8 onto the clamping screw 2;

a gasket 9 is adhered to one end of the clamping nut 8 close to the second clamping plate 3, and the gasket 9 is tightly attached to the second clamping plate 3, so that the clamping effect of the clamping nut 8 and the clamping screw 2 is fully ensured;

through holes 10 are formed in the top and the middle of two ends of one side of the heat exchange plate 5, special-shaped grooves 11 are formed in two sides of the inner wall of each through hole 10, communicating pipes 12 penetrate through the bottoms and the middle of two ends of one side, away from the heat exchange plate 5, of the first clamping plate 1, sealing gaskets 13 are adhered to the inner side walls of the through holes 10 and the special-shaped grooves 11, the sealing gaskets 13 are made of rubber materials, and therefore the flow channel formed by splicing the heat exchange plate 5 is kept sealed;

fixed blocks 14 are uniformly arranged inside the special-shaped grooves 11, and gaps are reserved between the fixed blocks 14 and the inner side walls of the special-shaped grooves 11, so that fluid can form turbulent flow in the flowing process, full contact between the fluid and the heat exchange plates 5 is guaranteed, and the heat exchange effect is guaranteed.

When the utility model is used, as shown in figures 1-5, the positioning groove 6 on one group of heat exchange plates 5 is aligned to the positioning block 7 on the first clamping plate 1 and is spliced with each other, the other group of heat exchange plates 5 is longitudinally rotated by 180 degrees and is spliced with the group of heat exchange plates 5, then one group of heat exchange plates 5 is spliced on the group of heat exchange plates 5, a plurality of groups of heat exchange plates 5 are spliced according to the above mode, the second clamping plate 3 is spliced on the last group of heat exchange plates 5, the total number of the heat exchange plates 5 is odd number, the special-shaped grooves 11 at the tops of two ends on the last group of heat exchange plates 5 can be communicated through the second clamping plate 3, the special-shaped grooves 11 at the tops of two ends on one side of the last group of heat exchange plates 5 can be communicated through the other group of second clamping plate 3, so that the through holes 10 and the special-shaped grooves 11 of the upper half part of the heat exchange plates 5 can be matched with the communicating grooves 4 and the communicating pipe 12 at the middle position of two ends on one side of the first clamping plate 1 to form a circulating flow passage, and the through-hole 10 and heterotypic recess 11 of heat transfer board 5 the latter half can cooperate communicating pipe 12 of intercommunication groove 4 and first clamp plate 1 one side both ends bottom to form the circulation runner, through clamping screw 2, clamp nut 8 and gasket 9 fully press from both sides first clamp plate 1 and second clamp plate 3 tightly, accomplish the equipment of whole device, with two sets of communicating pipes 12 of first clamp plate 1 one side both ends intermediate position department and two sets of communicating pipes 12 of first clamp plate 1 one side both ends bottom as cold and hot circulation flow respectively, and then can accomplish the heat transfer task, liquid is at the in-process that flows simultaneously, can make it form the torrent through fixed block 14, thereby fully guarantee its contact with heat transfer board 5, and then guarantee the heat transfer effect, when needing to maintain the runner, unclamp clamp nut 8 and clamping screw 2, it can to take out heat transfer board 5.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The plate heat exchanger comprises a first clamping plate (1) and is characterized in that clamping screws (2) penetrate through four corners of the first clamping plate (1), a second clamping plate (3) is arranged on the outer side, away from one end of the first clamping plate (1), of each clamping screw (2), communicating grooves (4) are formed in the bottom and the middle of the second clamping plate (3) close to one side of the first clamping plate (1), heat exchange plates (5) are uniformly arranged between the first clamping plate (1) and the second clamping plate (3), positioning grooves (6) are formed in two ends, close to one side of the first clamping plate (1), of each second clamping plate (3) and each heat exchange plate (5), positioning blocks (7) are arranged at two ends, close to one side of the second clamping plate (3), of the first clamping plate (1) and the heat exchange plates (5), and the positioning blocks (7) extend to the inside of the positioning grooves (6), the outside cover that first clamp plate (1) one end was kept away from in clamping screw (2) is equipped with clamping nut (8), through-hole (10) have all been seted up to top and intermediate position department at heat transfer board (5) one side both ends, and the both sides of through-hole (10) inner wall all are provided with heterotypic recess (11), bottom and intermediate position department that heat transfer board (5) one side both ends were kept away from in first clamp plate (1) have all run through communicating pipe (12).

2. A plate heat exchanger according to claim 1, wherein the positioning block (7) is hemispherical, and the positioning block (7) and the positioning groove (6) are mutually engaged.

3. A plate heat exchanger according to claim 1, wherein the centre axis of the clamping nut (8) and the centre axis of the clamping screw (2) coincide with each other, and the clamping nut (8) and the clamping screw (2) are in threaded connection.

4. A plate heat exchanger according to claim 1, characterized in that a gasket (9) is glued to the end of the clamping nut (8) close to the second clamping plate (3), and the gasket (9) is in close contact with the second clamping plate (3).

5. A plate heat exchanger according to claim 1, characterized in that the through holes (10) and the inner side walls of the profiled grooves (11) are all glued with sealing gaskets (13), and the sealing gaskets (13) are made of rubber.

6. A plate heat exchanger according to claim 1, characterized in that fixing blocks (14) are evenly mounted inside the profiled groove (11), and a gap is left between the fixing blocks (14) and the inner side wall of the profiled groove (11).