CN210154392U - Spiral plate type heat exchanger lock catch and spiral plate type heat exchanger - Google Patents

Abstract

The utility model relates to a spiral plate type heat exchanger lock catch and a spiral plate type heat exchanger, wherein the spiral plate type heat exchanger lock catch comprises a first lock catch part, and a first occlusion part is arranged on the first lock catch part; the second locking fastener is arranged on the first locking fastener in a sliding mode and is provided with a second occlusion part matched with the first occlusion part; and the adjusting and fixing component is arranged between the first locking part and the second locking part and is used for adjusting and fixing the position of the second locking part on the first locking part. The utility model discloses an adjust fixed subassembly, first latch and second latch, lock spiral plate heat exchanger's upper cover and barrel or low head and barrel fast, its compact structure, easy dismounting has saved man-hour for spiral plate heat exchanger's maintenance, the benefit of improving.

Description

Spiral plate type heat exchanger lock catch and spiral plate type heat exchanger

Technical Field

The utility model relates to a heat exchange equipment technical field especially relates to a spiral plate heat exchanger hasp and spiral plate heat exchanger.

Background

The spiral plate type heat exchanger has the advantages of good heat transfer performance, large heat exchange area, small heat transfer temperature difference, compact structure and the like, and is a heat exchange device commonly used in factories of chemical engineering, pharmacy and the like. At present, the connection mode of the spiral plate type heat exchanger is mainly two types of bolt connection and casting buckle.

Due to the adjustment of the production process of a factory, the cold body and hot body pipelines of the spiral plate type heat exchanger need to be cleaned regularly. Frequent dismouting of spiral plate heat exchanger easily causes the sealed face failure of hookup location to leak, and the reason that causes is mainly as follows:

1. the bolt connection is generally that loose flanges are welded on the upper and lower seal heads and the cylinder body, and then the loose flanges are connected by utilizing bolt through holes, and the size and the number of the loose flanges are determined according to the size of the heat exchanger; the bolt connection requires accurate alignment, and the roughness of a sealing surface is easily broken by crystallizing materials and frequently assembling and disassembling, so that a groove is formed;

2. the casting buckle is generally made of HT250 material, the cast steel has high hardness and strong corrosion resistance, but the toughness is insufficient, and the cast steel is easy to crisp and crack after being frequently disassembled;

3. the spiral plate type heat exchanger is generally arranged in the environment with dust, acid gas and the like of a factory, and is easy to corrode, rust and clamp.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide a spiral plate heat exchanger hasp.

The utility model discloses a realize through following technical scheme: a lock catch for spiral plate type heat exchanger comprises

The first locking piece is provided with a first meshing part;

the second locking fastener is arranged on the first locking fastener in a sliding mode and is provided with a second occlusion part matched with the first occlusion part; and

and the adjusting and fixing assembly is arranged between the first locking part and the second locking part and is used for adjusting and fixing the position of the second locking part on the first locking part.

Compared with the prior art, the utility model discloses a spiral plate heat exchanger hasp is through adjusting fixed subassembly, first hasp spare and second hasp spare, locks spiral plate heat exchanger's upper cover and barrel or low head and barrel fast, its compact structure, and easy dismounting has saved man-hour for spiral plate heat exchanger's maintenance, the benefit of improving.

Furthermore, the first locking piece is provided with a bottom plate, and a sliding groove is formed in the bottom plate; the bottom plate at one end of the sliding groove is provided with a vertical plate, and the first meshing part is arranged at the upper edge of the vertical plate.

Furthermore, the bottom surface of the second locking piece is provided with a convex strip which is in sliding fit with the sliding groove; the second occlusion part is arranged on the top surface of the second locking piece.

The first locking piece and the second locking piece are respectively provided with the sliding groove and the protruding strip, so that the first locking piece and the second locking piece can relatively slide along the sliding groove.

Further, the straightness between the convex strip and the sliding groove is not more than 1 millimeter.

Furthermore, the second locking fastener is L-shaped.

Furthermore, a through hole is formed in the vertical plate; the adjusting and fixing component mainly comprises a screw and a nut, the rod body part of the screw is movably arranged in the through hole in a penetrating way, and one end of the screw is connected with the second locking piece; the nut is in threaded connection with the other end of the screw rod.

Through with nut threaded connection on the other end of screw rod, can make the nut avoid contacting the crystallization material of the sealed face of spiral plate heat exchanger, influence the dismouting of nut.

Further, the adjusting and fixing assembly also comprises a gasket; the washer is disposed between the nut and the first locking member.

Through setting up the gasket, can further avoid the crystallization material of nut contact spiral plate heat exchanger's sealed face, influence its dismouting.

Further, the spiral plate type heat exchanger lock catch is made of 40Cr or 42CrMo alloy materials.

By using 40Cr or 42CrMo alloy material, the strength and toughness of the lock catch can be improved.

The utility model discloses still can realize through following technical scheme: a spiral plate type heat exchanger comprises a plurality of spiral plate type heat exchanger lock catches, an upper end enclosure, a lower end enclosure and a cylinder body;

the first occlusion parts and the second occlusion parts of the spiral plate type heat exchanger lock catches are respectively fastened on the edges of the upper end enclosure and the barrel body through nuts;

and the first occlusion parts and the second occlusion parts of the spiral plate type heat exchanger lock catches are respectively fastened with the edges of the lower seal head and the barrel body through nuts.

Compared with the prior art, the spiral plate type heat exchanger has compact structure and convenient assembly and disassembly, saves working hours for maintaining the spiral plate type heat exchanger and improves production benefits; because spiral plate heat exchanger or other upper and lower head class equipment, flange thickness, screens position etc. are different, can realize the installation of different positions according to length, buckle ditch width etc. of bolt in the suitable adjustment hasp.

Drawings

Fig. 1 is a schematic structural view of a lock catch of a spiral plate heat exchanger of the present invention;

fig. 2 is a schematic structural view of a first locking member of the present invention;

fig. 3 is a schematic structural view of the second locking member of the present invention;

fig. 4 is a schematic structural diagram of a spiral plate heat exchanger of the present invention.

In the figure: 1. locking a spiral plate type heat exchanger; 11. a first locking member; 111. a base plate; 112. a vertical plate; 113. a chute; 114. a first engaging portion; 115. a through hole; 12. a second locking member; 121. a convex strip; 122. a second engaging portion; 13. a screw; 14. a nut; 15. a gasket; 2. an upper end enclosure; 3. a lower end enclosure; 4. and (4) a cylinder body.

Detailed Description

Referring to fig. 1 to 3, a lock catch 1 of a spiral plate heat exchanger of the present embodiment includes a first lock catch 11, a second lock catch 12, and an adjusting and fixing assembly; the adjusting and fixing assembly comprises a screw 13, a nut 14 and a gasket 15;

the first locking part 11 comprises a bottom plate 111 and a vertical plate 112; the bottom plate 111 is provided with a chute 113; the vertical plate 112 is arranged at one end of the chute 113, and a first engaging part 114 is arranged at the upper edge of the vertical plate 112; the vertical plate 112 is provided with a through hole 115;

the bottom surface of the second locking piece 12 is provided with a convex strip 121 which is in sliding fit with the sliding chute 113; the top surface of the second locking fastener 12 is provided with a second engaging portion 122; the second locking fastener 12 is L-shaped;

the straightness between the convex strip 121 and the sliding groove 113 is not more than 1 mm; the spiral plate type heat exchanger lock catch 1 is made of 40Cr or 42CrMo alloy material.

The connection mode of the spiral plate type heat exchanger lock catch 1 of the embodiment is as follows:

the body part of the screw 13 is movably arranged in the through hole 115 in a penetrating way, and one end of the screw is connected with the second locking piece 12; the nut 14 is in threaded connection with the other end of the screw rod 13; the washer 15 is disposed between the nut 14 and the first fastening member 11.

The working process of the spiral plate type heat exchanger lock catch 1 of the embodiment is as follows:

the user correspondingly clamps the upper head 2 and the barrel 4 or the lower head 3 and the barrel 4 of the spiral plate heat exchanger by the first engaging portion 114 and the second engaging portion 122, screws the nut 14, and fastens and locks the first locking member 11 and the second locking member 12.

Compared with the prior art, the utility model relates to a spiral plate heat exchanger hasp is through adjusting fixed subassembly, first hasp spare and second hasp spare, locks spiral plate heat exchanger's upper cover and barrel or low head and barrel fast, its compact structure, and easy dismounting has saved man-hour for spiral plate heat exchanger's maintenance, the benefit of improving.

In addition, the nut 14 is in threaded connection with the other end of the screw 13, so that the nut 14 can be prevented from contacting with crystallized materials on the sealing surface of the spiral plate type heat exchanger to influence the dismounting and mounting of the nut 14; by arranging the gasket 15, the nut 14 can be further prevented from contacting the crystallized materials on the sealing surface of the spiral plate type heat exchanger to influence the disassembly and assembly of the spiral plate type heat exchanger; by using 40Cr or 42CrMo alloy material, the strength and toughness of the lock catch can be improved.

Referring to fig. 4, the spiral plate heat exchanger of this embodiment includes a plurality of spiral plate heat exchanger latches 1, an upper head 2, a lower head 3, and a cylinder 4; the first occlusion parts 114 and the second occlusion parts of the spiral plate type heat exchanger lock catches 1 respectively fasten the edges of the upper head 2 and the barrel 4 through nuts 14; the first occlusion part 114 and the second occlusion part 122 of the spiral plate heat exchanger lock catches 1 respectively fasten the lower head 3 and the edge of the cylinder 4 through the nut 14.

Because spiral plate heat exchanger or other upper and lower head class equipment, flange thickness, screens position etc. are different, can realize the installation of different positions according to length, buckle ditch width etc. of bolt in the suitable adjustment hasp.

Compared with the prior art, the utility model relates to an its compact structure of spiral plate heat exchanger, easy dismounting has saved man-hour for spiral plate heat exchanger's maintenance, improves the productivity effect.

The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims (9)

1. A spiral plate heat exchanger latch, comprising:

the first locking piece is provided with a first meshing part;

the second locking fastener is arranged on the first locking fastener in a sliding mode and is provided with a second occlusion part matched with the first occlusion part; and

and the adjusting and fixing assembly is arranged between the first locking part and the second locking part and is used for adjusting and fixing the position of the second locking part on the first locking part.

2. A spiral plate heat exchanger shackle as claimed in claim 1, wherein the first shackle member has a base plate with a chute formed therein; the bottom plate at one end of the sliding groove is provided with a vertical plate, and the first meshing part is arranged at the upper edge of the vertical plate.

3. A lock catch for a spiral plate heat exchanger as claimed in claim 2, wherein the bottom surface of the second lock catch member is provided with a rib slidably engaged with the sliding groove; the second occlusion part is arranged on the top surface of the second locking piece.

4. A spiral plate heat exchanger lock according to claim 3, wherein the straightness between the protruding strip and the sliding groove is not more than 1 mm.

5. A spiral plate heat exchanger shackle as claimed in claim 3 or 4, wherein the second shackle member is L-shaped.

6. A spiral plate heat exchanger lock catch according to claim 5, wherein a through hole is formed on the vertical plate; the adjusting and fixing component mainly comprises a screw and a nut, the rod body part of the screw is movably arranged in the through hole in a penetrating way, and one end of the screw is connected with the second locking piece; the nut is in threaded connection with the other end of the screw rod.

7. A spiral plate heat exchanger shackle of claim 6, wherein the adjustment fixing assembly further comprises a gasket; the washer is disposed between the nut and the first locking member.

8. A spiral plate heat exchanger shackle according to claim 1, wherein the spiral plate heat exchanger shackle is made of 40Cr or 42CrMo alloy material.

9. A spiral plate heat exchanger is characterized in that: the spiral plate heat exchanger comprises a plurality of spiral plate heat exchanger lock catches, an upper head, a lower head and a cylinder body as claimed in any one of claims 1 to 8;

the first occlusion parts and the second occlusion parts of the spiral plate type heat exchanger lock catches are respectively fastened on the edges of the upper end enclosure and the barrel body through nuts;

and the first occlusion parts and the second occlusion parts of the spiral plate type heat exchanger lock catches are respectively fastened with the edges of the lower seal head and the barrel body through nuts.

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