CN216245780U

CN216245780U - Sealing structure of plate heat exchanger

Info

Publication number: CN216245780U
Application number: CN202122839774.1U
Authority: CN
Inventors: 李志坚
Original assignee: Jiangyin Daniel Cooler Co ltd
Current assignee: Jiangyin Daniel Cooler Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-08
Anticipated expiration: 2031-11-18

Abstract

The utility model relates to a plate heat exchanger technical field discloses plate heat exchanger's seal structure, including first slab, the second slab that is located first slab one side and the annular supporting shoe that is located first slab outside, the mounting groove has been seted up on the first slab, the thread groove is linked together with the mounting groove, the first slab be provided with the first rubber gasket that the mounting groove was laminated mutually, one side fixedly connected with second rubber gasket of first rubber gasket, install the bolt on the second rubber gasket. This plate heat exchanger's seal structure fills in the mounting groove on the first slab through filling in first rubber gasket and second rubber gasket, in utilizing the screw thread groove on the first slab of bolt screw-in to realized when first slab and second slab laminating are fixed, second rubber gasket can not shift or stick up the limit because of the extruded power is inhomogeneous before first slab and the second slab.

Description

Sealing structure of plate heat exchanger

Technical Field

The application relates to the technical field of plate heat exchangers, in particular to a sealing structure of a plate heat exchanger.

Background

The plate heat exchanger is an efficient heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes, thin rectangular channels are formed among various plate sheets, heat exchange is carried out through the plate sheets, and the plate heat exchanger is ideal equipment for carrying out heat exchange on liquid-liquid and liquid-vapor. The heat exchanger has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like.

Wherein, need seal the processing to the clearance between a plurality of slab when fixed between slab and the slab, current seal structure mainly places seal gasket and uses between two slabs, if seal gasket installation correctly can play good sealing effect, but current seal gasket is when being extrudeed, probably because of the inhomogeneous seal gasket aversion that leads to of atress, stick up the limit, this can lead to gaseous leakage.

SUMMERY OF THE UTILITY MODEL

The utility model provides a plate heat exchanger's seal structure to current seal gasket that proposes in solving above-mentioned background art when being extrudeed, probably because of the inhomogeneous seal gasket that leads to of atress shifts, sticks up the limit, and this can lead to the problem of gaseous leakage.

In order to achieve the above purpose, the present application provides the following technical solutions: plate heat exchanger's seal structure, including first slab, be located the second slab of first slab one side and be located the outside annular supporting shoe of first slab, the mounting groove has been seted up on the first slab, the thread groove has been seted up to the mounting groove tank bottom, the thread groove is linked together with the mounting groove, first slab be provided with the first rubber gasket that the mounting groove was laminated mutually, one side fixedly connected with second rubber gasket of first rubber gasket, install the bolt on the second rubber gasket, the bolt passes through thread groove and first slab threaded connection.

Preferably, the thread groove is provided with a plurality of threads, the bolt is provided with a plurality of threads, and the bolts are fixedly connected with the first plate through the thread grooves respectively.

Preferably, the second plate is provided with a clamping groove, and the first rubber gasket is movably clamped with the second plate through the clamping groove.

Preferably, the height of the inside of the mounting groove is six centimeters, the thickness of the first rubber gasket is ten centimeters, the thickness of the second rubber gasket is three centimeters, and the height of the inside of the clamping groove is two centimeters.

Preferably, the outer surface of the first plate is attached with an annular sealing sheet, and one side of the annular sealing sheet close to the first plate is attached with the second plate.

Preferably, the inner wall of the annular supporting block is provided with a sliding groove, the annular supporting block is provided with a sliding block in sliding connection with the sliding groove, the top of the sliding block is fixedly connected with a moving plate, one side of the moving plate is attached to the first plate piece and the second plate piece, and the annular supporting block is provided with a fixing module for fixing the moving plate.

Preferably, the fixed module comprises a hydraulic rod fixedly connected with the annular supporting block, and the telescopic end of the hydraulic rod is fixedly connected with one side of the moving plate.

To sum up, the technical effect and the advantage of this application: according to the sealing structure of the plate heat exchanger, the first rubber gasket and the second rubber gasket are plugged into the mounting grooves of the first plate and screwed into the thread grooves of the first plate by using the bolts, so that when the first plate and the second plate are attached and fixed, the second rubber gasket cannot be displaced or warped due to uneven extrusion force of the first plate and the second plate; in addition, when the first plate and the second plate are alternately arranged on the plate heat exchanger, the hydraulic rod is started to drive the two moving plates to extrude the first plate and the second plate, so that the first plate and the second plate are completely overlapped as much as possible, the first rubber gasket is ensured to be positioned in the clamping groove, and the sealing performance is improved.

Drawings

Fig. 1 is a schematic view of a first plate structure of the present application.

Fig. 2 is a schematic view of a second plate structure of the present application.

Fig. 3 is a schematic view of the present application for showing the structure of the first rubber gasket.

FIG. 4 is a schematic view of the annular seal configuration of the present application.

FIG. 5 is a schematic view of the annular support block structure of the present application.

Description of reference numerals:

1. a first sheet; 2. a second sheet; 3. mounting grooves; 4. a thread groove; 5. a first rubber gasket; 6. a second rubber gasket; 7. a bolt; 8. a card slot; 9. an annular sealing sheet; 10. an annular support block; 11. a hydraulic lever; 12. moving the plate; 13. a chute; 14. a slide block.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1-3, the sealing structure of the plate heat exchanger comprises a first plate 1, a second plate 2 located on one side of the first plate 1, and an annular supporting block 10 located outside the first plate 1, wherein corrugated thin rectangular channels are formed in the first plate 1 and the second plate 2. The mounting groove 3 has been seted up on the first slab 1, a plurality of thread grooves 4 have been seted up on the 3 tank bottoms of mounting groove, and a plurality of thread grooves 4 all are linked together with mounting groove 3, and first slab 1 is provided with the first rubber gasket 5 of laminating mutually with mounting groove 3, and one side fixedly connected with second rubber gasket 6 of first rubber gasket 5, the inside of mounting groove 3 can be filled in together to first rubber gasket 5 and second rubber gasket 6. A plurality of threaded holes are formed in the second rubber gasket 6, the second rubber gasket 6 is in threaded connection with a plurality of bolts 7 through the threaded holes, and the bolts 7 are in threaded connection with the first plate 1 through the threaded grooves 4 respectively. The first rubber gasket 5 and the second rubber gasket 6 are inserted into the mounting groove 3 and then screwed into the thread groove 4 by means of a plurality of bolts 7, thereby achieving the fixing of the positions of the first rubber gasket 5 and the second rubber gasket 6.

Referring to fig. 1-3, a clamping groove 8 is formed in the second plate 2, the first rubber gasket 5 is movably clamped with the second plate 2 through the clamping groove 8, and the protruding part of the first rubber gasket 5 can be plugged into the clamping groove 8, so that sealing between the first plate 1 and the second plate 2 is realized. The inside height of mounting groove 3 is six centimetres, and the thickness of first rubber gasket 5 is ten centimetres, and first rubber gasket 5 has some to be outstanding from mounting groove 3 when being located mounting groove 3 insidely for first rubber gasket 5 can contact with second slab 2, avoids

second slab

2 and 1 direct contact of first slab, makes first rubber gasket 5 lose sealed effect. The thickness of second rubber gasket 6 is three centimetres, and second rubber gasket 6 can not follow the inside protrusion of mounting groove 3 when being located mounting groove 3 inside, and guaranteed that bolt 7 is located mounting groove 3 inside when, can not follow the inside protrusion of mounting groove 3, avoids bolt 7 to keep away from the one end of first slab 1 and supports second slab 2, and the effect of first rubber gasket 5 when the extrusion between first slab 1 and the second slab 2 is influenced.

Referring to fig. 4, the outer surface of the first plate 1 is attached with an annular sealing sheet 9, one side of the annular sealing sheet 9 close to the first plate 1 is attached to the second plate 2, and after the first plate 1 and the second plate 2 are attached to each other, the annular sealing sheet 9 is sleeved at the joint of the first plate 1 and the second plate 2, so that the sealing performance between the first plate 1 and the second plate 2 is further improved.

Referring to fig. 5, two sliding grooves 13 are formed in two sides of the bottom of the inner wall of the annular supporting block 10, the annular supporting block 10 is respectively connected with two sliding blocks 14 in a sliding manner through the two sliding grooves 13, and the two sliding blocks 14 all slide at the bottom of the inner wall of the annular supporting block 10 through the sliding grooves 13. The tops of the two sliders 14 are fixedly connected with moving plates 12, opposite sides of the two moving plates 12 are respectively attached to the first plate sheet 1 and the second plate sheet 2, and when the first plate sheet 1 and the second plate sheet 2 are alternately installed on the plate heat exchanger, the two moving plates 12 are used for extruding and attaching the first plate sheet 1 and the second plate sheet 2, so that complete overlapping of the first plate sheet 1 and the second plate sheet 2 is guaranteed as far as possible.

Offer the fixed module who is used for fixed movable plate 12 on the annular supporting shoe 10, fixed module includes two and annular supporting shoe 10 inner wall both sides fixed connection's hydraulic stem 11, two hydraulic stem 11's flexible end respectively with two movable plate 12 one side fixed connection dorsad, start two hydraulic stem 11, make it extend to relative one side and drive two movable plates 12 and to first slab 1 and the laminating of 2 extrusion of second slab, then keep the length that hydraulic stem 11 extends, can be spacing to the laminating of

first slab

1 and 2 persistence of second slab.

Working principle, this plate heat exchanger's seal structure, through stuffing into mounting groove 3 inside with first rubber gasket 5 and second rubber gasket 6, then utilize bolt 7 to twist into thread groove 4, make the position of first rubber gasket 5 and second rubber gasket 6 fixed, thereby when having prevented as far as possible to laminate first slab 1 and second slab 2, first rubber gasket 5 shifts, then laminate first slab 1 and second slab 2, the part of the outstanding mounting groove 3 of first rubber gasket 5 this moment is gone into inside draw-in groove 8, thereby realized carrying out the effect sealed to the clearance between first slab 1 and the second slab 2.

When the first plate piece 1 and the second plate piece 2 are installed on the plate heat exchanger, the annular supporting block 10 is placed on the plate heat exchanger, the hydraulic rod 11 is started when the first plate piece 1 and the second plate piece 2 are alternately attached, so that two opposite sides of the two movable plates 12 extrude two sides of the first plate piece 1 and the second plate piece 2, the first plate piece 1 and the second plate piece 2 can be completely overlapped as far as possible, and the first rubber gasket 5 is ensured to be positioned inside the clamping groove 8.

Finally, it should be noted that: although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or some features may be replaced with equivalents, and any modifications, equivalents, improvements, etc. that fall within the spirit and scope of the present application are intended to be covered by the present application.

Claims

1. Sealing structure of plate heat exchanger, including first slab (1), be located second slab (2) of first slab (1) one side and be located the outside annular supporting shoe (10) of first slab (1), its characterized in that: mounting groove (3) have been seted up on first slab (1), thread groove (4) have been seted up to mounting groove (3) tank bottom, thread groove (4) are linked together with mounting groove (3), first slab (1) be provided with first rubber gasket (5) that mounting groove (3) laminated mutually, one side fixedly connected with second rubber gasket (6) of first rubber gasket (5), install bolt (7) on second rubber gasket (6), bolt (7) are through thread groove (4) and first slab (1) threaded connection.

2. A sealing structure of a plate heat exchanger according to claim 1, characterized in that: the screw thread groove (4) is provided with a plurality of, bolt (7) are provided with a plurality of, and a plurality of bolt (7) are respectively through a plurality of screw thread grooves (4) and first slab (1) fixed connection.

3. A sealing structure of a plate heat exchanger according to claim 1, characterized in that: a clamping groove (8) is formed in the second plate (2), and the first rubber gasket (5) is movably clamped with the second plate (2) through the clamping groove (8).

4. A sealing structure of a plate heat exchanger according to claim 3, characterized in that: the height of the interior of the mounting groove (3) is six centimeters, the thickness of the first rubber gasket (5) is ten centimeters, the thickness of the second rubber gasket (6) is three centimeters, and the height of the interior of the clamping groove (8) is two centimeters.

5. A sealing structure of a plate heat exchanger according to claim 1, characterized in that: the outer surface of the first plate (1) is attached with an annular sealing sheet (9), and one side, close to the first plate (1), of the annular sealing sheet (9) is attached with the second plate (2).

6. A sealing structure of a plate heat exchanger according to claim 1, characterized in that: the inner wall of the annular supporting block (10) is provided with a sliding groove (13), the annular supporting block (10) is provided with a sliding block (14) which is in sliding connection with the sliding groove (13), the top of the sliding block (14) is fixedly connected with a moving plate (12), one opposite side of each of the two moving plates (12) is respectively attached to the first plate piece (1) and the second plate piece (2), and the annular supporting block (10) is provided with a fixing module for fixing the moving plates (12).

7. A sealing structure of a plate heat exchanger according to claim 6, characterized in that: the fixed module comprises a hydraulic rod (11) fixedly connected with the annular supporting block (10), and the telescopic end of the hydraulic rod (11) is fixedly connected with one side of the movable plate (12).