Plate heat exchanger

Abstract

The utility model provides a plate heat exchanger which comprises a fixed end plate, a movable end plate, a fixed frame, a driving screw rod, a guide mechanism and a plurality of plate sheets clamped between the fixed end plate and the movable end plate, the fixed frame is located on the side, opposite to the plate sheets, of the movable end plate, a threaded channel is formed in the fixed frame, and the driving screw rod is arranged in the threaded channel. A threaded channel is formed in the fixed frame, the driving screw rod is transversely arranged in the threaded channel in a penetrating mode, a bearing seat is installed in the center of the movable end plate, one end of the driving screw rod is installed in the bearing seat through a bearing, and the guide mechanism is arranged between the fixed frame and the movable end plate and used for controlling the movable end plate to move in the transverse direction. The plate heat exchanger has the advantage that the operation is simpler and more convenient when the plates are increased, decreased and replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field, specifically, relate to a plate heat exchanger. BACKGROUND

[0002] The plate heat exchanger is a kind of high-efficiency heat exchange equipment, it is stacked by a series of sheet with certain corrugated shape, channel is formed between sheet, hot fluid and cold fluid flow in different channels, and heat exchange is realized by the heat transfer of sheet.

[0003] The conventional plate heat exchanger is provided with fixed end plate and movable end plate, sheet is located between the both, the edge of fixed end plate and movable end plate is equipped with screw rod, and the both ends of screw rod are locked by nut to fixed end plate and movable end plate, to clamp sheet.This structure makes screw rod surround sheet, when needing to increase or reduce sheet or maintenance replacement, screw rod must be completely removed, and operation is more cumbersome.

[0004] In order to solve the above problems, people have been seeking an ideal technical solution. SUMMARY

[0005] The utility model discloses a kind of plate heat exchangers for the deficiencies of prior art, to provide a kind of plate heat exchanger when operating more simply when increasing and replacing sheet.

[0006] In order to achieve the above object, the technical scheme adopted by the utility model is: a plate heat exchanger, including fixed end plate, movable end plate, fixed frame, drive screw rod, guide mechanism and the several sheets clamped between the fixed end plate and the movable end plate, the fixed frame is located at the side of the movable end plate away from the sheet, the fixed frame is equipped with screw thread channel, the drive screw rod is transversely equipped in the screw thread channel, the movable end plate is centrally equipped with bearing seat, one end of the drive screw rod is installed in the bearing seat through bearing, the guide mechanism is arranged between the fixed frame and the movable end plate, for controlling the movable end plate moves along transverse direction.

[0007] Based on the above, the guide mechanism includes four slide rods arranged at the four corners of the movable end plate and four guide channels opened on the fixed frame, and the four slide rods are one-to-one correspondingly equipped in the four guide channels.

[0008] Based on the above, the fixed frame includes two vertically arranged vertical plates, the screw thread channel is composed of two threaded holes opened on the two vertical plates, and the guide channel is composed of two guide holes opened on the two vertical plates.

[0009] Based on the above, the other end of the drive screw rod is provided with an operating hand wheel.

[0010] Based on the above, it further comprises an upper guide rail and a bottom supporting plate, the upper guide rail is fixed at both ends of the fixed end plate and the fixed frame, and the top of the plate piece is provided with an upper clamp hole corresponding to the upper guide rail; the bottom supporting plate is also fixed at both ends of the fixed end plate and the fixed frame, and the bottom supporting plate is provided with a supporting groove which is consistent with the shape of the bottom of the plate piece, and the supporting groove is provided with a protruding rib extending in the transverse direction, and the bottom of the plate piece is provided with a lower clamp hole corresponding to the protruding rib.

[0011] The utility model discloses relative prior art has substantial characteristics and progress, specifically speaking, the utility model discloses through setting up the drive screw on the side of the movable end plate away from the plate piece, through the spin in and spin out of drive screw, can push movable end plate towards or away from the fixed end plate movement, thereby clamping or loosening the plate piece, the guiding mechanism guarantees the stability of movable end plate, discards the structure of traditional screw surrounding the outside of plate piece, and when increasing and reducing and replacing the plate piece, the operation is more convenient.

[0012] Further, by setting two said vertical plates, two support points are provided for the drive screw and the slide rod respectively, so that the support of the movable end plate is more stable; the setting of the operation hand wheel facilitates the rotation of the drive screw; the upper guide rail and the supporting groove and the protruding rib on the bottom supporting plate facilitate the positioning of the plate piece and ensure that each plate piece is located on the same straight line. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 Is the side structure schematic diagram of plate heat exchanger in the utility model.

[0014] Fig. 2 Is the installation structure schematic diagram of plate piece in the utility model.

[0015] Fig. 3 Is the structure schematic diagram of fixed frame in the utility model.

[0016] In the drawing: 1. fixed end plate;2. movable end plate;3. drive screw;4. plate piece;5. bearing seat;6. operation hand wheel;7. slide rod;8. vertical plate;9. upper guide rail;10. bottom supporting plate;11. upper clamp hole;12. supporting groove;13. protruding rib;14. lower clamp hole. DETAILED DESCRIPTION

[0017] The technical scheme of the utility model will be described in further detail below through specific embodiments.

[0018] As Figs. 1-3As shown, a plate heat exchanger comprises a fixed end plate 1, a movable end plate 2, a fixed frame, a drive screw 3, a guide mechanism and a plurality of plates 4 clamped between the fixed end plate 1 and the movable end plate 2, the fixed frame is located on the side of the movable end plate 1 away from the plates 4, the fixed frame is provided with a threaded channel, the drive screw 3 is transversely arranged in the threaded channel, the movable end plate 2 is centrally provided with a bearing seat 5, one end of the drive screw 3 is arranged in the bearing seat 5 through a bearing, the other end of the drive screw 3 is provided with an operating hand wheel 6, which facilitates the rotation of the drive screw 3, and the drive screw 3 is rotated in and out to push the movable end plate 2 to move transversely.

[0019] The guide mechanism specifically comprises four slide rods 7 arranged at the four corners of the movable end plate 2 and four guide channels provided on the fixed frame, the four slide rods 7 are correspondingly arranged in the four guide channels to control the movement direction of the movable end plate 2 and avoid the deflection of the movable end plate 2.

[0020] The fixed frame specifically comprises two vertically arranged vertical plates 8, the threaded channel is composed of two threaded holes provided on the two vertical plates 8, and the guide channel is composed of two guide holes provided on the two vertical plates 8, which provides two support points for the drive screw 3 and the slide rod 7 respectively, so that the support of the movable end plate 2 is more stable.

[0021] In order to facilitate the positioning of the plates 4, the plate heat exchanger further comprises an upper guide rail 9 and a bottom supporting plate 10, the upper guide rail 9 is fixed at both ends of the fixed end plate 1 and the fixed frame, and the plates 4 are provided with an upper clamp 11 at the top center corresponding to the upper guide rail 9; the bottom supporting plate 10 is also fixed at both ends of the fixed end plate 1 and the fixed frame, and the bottom supporting plate 10 is provided with a supporting groove 12 at the center, which is consistent with the shape of the bottom of the plates 4, the center of the supporting groove 12 is provided with a protruding rib 13 extending in the transverse direction, and the bottom center of the plates 4 is provided with a lower clamp 14 corresponding to the protruding rib 13, which realizes the positioning of the plates 4 from the top and the bottom respectively, and ensures that each plate 4 is on the same straight line.

[0022] In specific use, the required plates 4 are placed on the bottom supporting plate 10 in sequence, the upper clamp 11 and the lower clamp 14 are clamped into the upper guide rail 9 and the protruding rib 13 respectively, the operating hand wheel 6 is rotated to make the drive screw 3 rotate towards the fixed end plate 1, the movable end plate 2 is pushed to move close to the fixed end plate 1, and the plates 4 are clamped until the plates 4 are clamped; when it is necessary to increase, decrease or replace the plates 4, the operating hand wheel 6 is reversely rotated to make the movable end plate 2 move away from the fixed end plate 1, so that the plates 4 can be loosened, and the next operation can be performed by the staff.

[0023] It should be noted that the above examples are used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent ones; without departing from the spirit of the technical solutions of the present application, they should be covered in the technical solution range claimed by the present application.

Claims

1. A plate heat exchanger comprising a fixed end plate, a movable end plate and a number of plates clamped between the fixed end plate and the movable end plate, characterized in that: It also comprises a fixed frame, a driving screw and a guiding mechanism, the fixed frame is located on the side of the movable end plate away from the sheet, a threaded channel is formed in the fixed frame, the driving screw is transversely installed in the threaded channel, a bearing seat is installed in the center of the movable end plate, one end of the driving screw is installed in the bearing seat through a bearing, and the guiding mechanism is arranged between the fixed frame and the movable end plate and used for controlling the transverse movement of the movable end plate.

2. The plate heat exchanger according to claim 1, characterized in that: The guiding mechanism comprises four slide rods arranged at the four corners of the movable end plate and four guiding channels formed in the fixed frame, and the four slide rods are correspondingly installed in the four guiding channels.

3. The plate heat exchanger according to claim 2, characterized in that: The fixed frame comprises two vertically arranged vertical plates, the threaded channel is composed of two threaded holes formed in the two vertical plates, and the guiding channel is composed of two guiding holes formed in the two vertical plates.

4. The plate heat exchanger according to any of the claims 1-3, characterized in that: The other end of the driving screw is provided with an operating hand wheel.

5. The plate heat exchanger according to claim 4, characterized in that: It also comprises an upper guide rail and a bottom supporting plate, the upper guide rail is fixed at the two ends of the fixed end plate and the fixed frame, and an upper clamping hole is arranged at the top center of the sheet and corresponds to the upper guide rail; the bottom supporting plate is also fixed at the two ends of the fixed end plate and the fixed frame, a supporting groove is arranged in the center of the bottom supporting plate and matches the shape of the bottom of the sheet, a convex rib is arranged in the center of the supporting groove and extends in the transverse direction, and a lower clamping hole is arranged at the center of the bottom of the sheet and corresponds to the convex rib.

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