CN216245740U

CN216245740U - Plate heat exchanger capable of preventing internal leakage

Info

Publication number: CN216245740U
Application number: CN202122809662.1U
Authority: CN
Inventors: 李君垚
Original assignee: Hubei Changjiang Petrochemical Equipment Co ltd
Current assignee: Hubei Changjiang Petrochemical Equipment Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-08
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses an inner leakage prevention plate heat exchanger which comprises an end plate, wherein a top plate, an upper supporting cross rod and a lower supporting cross rod are arranged on the inner wall of the end plate, the lower end of the top plate is provided with the upper supporting cross rod, the lower end of the upper supporting cross rod is provided with the lower supporting cross rod, heat exchange plates are inserted between the upper supporting cross rod and the lower supporting cross rod and are distributed at equal intervals in the transverse direction, a fixing rod is arranged at the rear end of each heat exchange plate, and a second sliding groove is formed in the inner wall of the fixing rod. This prevent interior hourglass plate heat exchanger is used for spacing the heat transfer slab of installing through setting up spacing push pedal on the heat transfer slab right side, through set up the dead lever in the rear end of heat transfer slab, sets up the fender rod that can upwards rotate at the dead lever inner wall to through inserting the fender rod and being used for controlling the interval between the heat transfer slab between two heat transfer slabs, spacing when avoiding spacing push pedal to fix the heat transfer slab is excessive, can play the effect of prevention deformation to the heat transfer slab from this.

Description

Plate heat exchanger capable of preventing internal leakage

Technical Field

The utility model relates to the technical field of plate heat exchanger equipment, in particular to an inner leakage prevention plate heat exchanger.

Background

The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes; thin rectangular channels are formed among the various plate sheets, and heat exchange is carried out through the plate sheets; the plate heat exchanger is an ideal device for carrying out heat exchange between liquid and between liquid and steam; 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; under the condition of the same pressure loss, the heat transfer coefficient of the heat exchanger is 3-5 times higher than that of the tubular heat exchanger, the occupied area is one third of that of the tubular heat exchanger, and the heat recovery rate can reach more than 90 percent; the plate type heat exchanger mainly comprises two types, namely a frame type (detachable type) and a brazing type, and the plate sheet mainly comprises a herringbone corrugated plate, a horizontal straight corrugated plate and a tumor-shaped plate; the detachable plate heat exchanger is formed by punching a plurality of corrugated thin plates at certain intervals, sealing the peripheries of the corrugated thin plates by gaskets, overlapping and pressing by using a frame and pressing screws, forming fluid distribution pipes and fluid collection pipes by four corner holes of the plates and the gaskets, and reasonably separating cold and hot fluids to enable the cold and hot fluids to respectively flow in flow channels on two sides of each plate so as to carry out heat exchange by the plates.

The existing plate heat exchanger is easy to have the problem of internal leakage in the using process, the deformation of the plate is one of the reasons for the internal leakage, the deformation problem can be caused if the existing plate heat exchanger plate is excessively extruded in the mounting process, and the distance between the plates is not easy to control in the mounting process, so that the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an internal leakage prevention plate heat exchanger, which solves the problem that the deformation and the internal leakage are easily caused by the extrusion of the plate installation in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme that the plate heat exchanger capable of preventing internal leakage comprises an end plate, wherein a top plate, an upper supporting cross rod and a lower supporting cross rod are arranged on the inner wall of the end plate, the lower end of the top plate is provided with the upper supporting cross rod, the lower end of the upper supporting cross rod is provided with the lower supporting cross rod, heat exchange plates are inserted between the upper supporting cross rod and the lower supporting cross rod and are distributed transversely at equal intervals, a fixed rod is arranged at the rear end of each heat exchange plate, a second sliding groove is formed in the inner wall of the fixed rod, a second sliding block is inserted into the second sliding groove, a fixed block is arranged on the second sliding block, a protective rod is arranged on the inner wall of the fixed block and is rotatably connected with the fixed block, and the protective rod is inserted between the heat exchange plates.

Preferably, one side of the heat exchange plate is provided with a limiting push plate, one side of the limiting push plate is provided with a first push rod and a second push rod, and the second push rod is positioned at the lower end of the first push rod.

Preferably, the first push rod comprises a threaded rod and a nut, and the threaded rod is in threaded connection with the nut.

Preferably, the outer wall of the threaded rod is provided with a first sliding groove, and a first sliding block is inserted into the first sliding groove.

Preferably, one side of the first sliding block is connected with the fixing rod, a bolt is arranged on the first sliding block, and the first sliding block is fixedly connected with the threaded rod through the bolt.

Compared with the prior art, the utility model has the beneficial effects that: this prevent interior hourglass plate heat exchanger is used for spacing the heat transfer slab of installing through setting up spacing push pedal on the heat transfer slab right side, through set up the dead lever in the rear end of heat transfer slab, sets up the fender rod that can upwards rotate at the dead lever inner wall to through inserting the fender rod and being used for controlling the interval between the heat transfer slab between two heat transfer slabs, spacing when avoiding spacing push pedal to fix the heat transfer slab is excessive, can play the effect of prevention deformation to the heat transfer slab from this.

Drawings

FIG. 1 is a schematic structural view of a plate heat exchanger for preventing internal leakage according to the present invention;

FIG. 2 is an enlarged schematic view of the plate heat exchanger with internal leakage prevention at A in FIG. 1;

FIG. 3 is a top view of a fixing rod of the plate heat exchanger for preventing internal leakage according to the present invention;

FIG. 4 is a schematic view of a connection structure of a fixed rod and a second sliding block of the plate heat exchanger for preventing internal leakage according to the present invention;

fig. 5 is an enlarged schematic structural diagram of the plate heat exchanger for preventing internal leakage in fig. 4 at B.

In the figure: 1. end plate, 2, dead lever, 3, heat transfer board, 4, spacing push pedal, 5, roof, 6, first push rod, 7, go up the support horizontal pole, 8, threaded rod, 9, nut, 10, second push rod, 11, lower support horizontal pole, 12, first slider, 13, first spout, 14, bolt, 15, guard bar, 16, fixed block, 17, second spout, 18, second slider.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

Referring to fig. 1-5, the present invention provides a technical solution: an inner leakage prevention plate heat exchanger comprises an end plate 1, wherein the inner wall of the end plate 1 is provided with a top plate 5, an upper supporting cross rod 7 and a lower supporting cross rod 11, the end plate 1 is fixedly connected with the top plate 5, the upper supporting cross rod 7 and the lower supporting cross rod 11 through bolts, an upper supporting cross rod 7 is arranged at the lower end of the top plate 5, the top plate 5 is welded and fixed with the upper supporting cross rod 7, a lower supporting cross rod 11 is arranged at the lower end of the upper supporting cross rod 7, a heat exchange plate 3 is inserted between the upper supporting cross rod 7 and the lower supporting cross rod 11, and the heat exchange plates 3 are distributed transversely at equal intervals, one side of each heat exchange plate 3 is provided with a limit push plate 4, the right side of each heat exchange plate 3 is provided with the limit push plate 4, a first push rod 6 and a second push rod 10 are arranged on one side of the limiting push plate 4, the first push rod 6 and the second push rod 10 are welded on the right side of the limiting push plate 4, and the second push rod 10 is positioned at the lower end of the first push rod 6; the first push rod 6 comprises a threaded rod 8 and a nut 9, the nut 9 is sleeved on the outer wall of the threaded rod 8, and the threaded rod 8 is in threaded connection with the nut 9; a first sliding groove 13 is formed in the outer wall of the threaded rod 8, the threaded rod 8 and the first sliding groove 13 are integrally connected, a first sliding block 12 is inserted into the first sliding groove 13, and the first sliding groove 13 and the first sliding block 12 are in sliding connection; one side of a first sliding block 12 is connected with the fixed rod 2, the fixed rod 2 is arranged on the left side of the first sliding block 12, a bolt 14 is arranged on the first sliding block 12, and the first sliding block 12 is fixedly connected with the threaded rod 8 through the bolt 14; the rear end of the heat exchange plate 3 is provided with a fixed rod 2, the heat exchange plate 3 is not fixed in contact with the fixed rod 2, the inner wall of the fixed rod 2 is provided with a second sliding groove 17, the fixed rod 2 and the second sliding groove 17 are integrally connected, a second sliding block 18 is inserted in the second sliding groove 17, the second sliding groove 17 and the second sliding block 18 are in sliding connection, a fixed block 16 is arranged on the second sliding block 18, the second sliding block 18 and the fixed block 16 are fixedly connected through bolts, a protective rod 15 is arranged on the inner wall of the fixed block 16, the fixed block 16 and the protective rod 15 are connected through a rotating shaft, the protective rod 15 and the fixed block 16 are in rotating connection, and the protective rod 15 is inserted between the heat exchange plate 3; this prevent interior board heat exchanger that leaks is used for spacing to the heat transfer board piece 3 that installs through setting up spacing push pedal 4 on heat transfer board piece 3 right side, set up dead lever 2 through the rear end at heat

transfer board piece

3, 2 inner walls at the dead lever set up can upwards pivoted fender rod 15, thereby through inserting fender rod 15 and being used for controlling the interval between the heat transfer board piece 3 between two heat transfer board pieces 3, spacing when avoiding spacing push pedal 4 to fix heat transfer board piece 3 excessive, can play the effect of prevention deformation to heat transfer board piece 3 from this.

The working principle is as follows: when the plate heat exchanger capable of preventing internal leakage is used, firstly, the heat exchange plates 3 are installed, when the plate heat exchanger is installed, one heat exchange plate 3 is taken out firstly and inserted between the upper supporting cross rod 7 and the lower supporting cross rod 11, after the heat exchange plates are inserted, the fixed block 16 on the fixed rod 2 is rotated, the fixed block 16 is enabled to rotate forwards and be positioned at the right side of the heat exchange plate 3, after the fixed block 16 is placed, one heat exchange plate 3 is taken out and inserted between the supporting cross rod 7 and the lower supporting cross rod 11, the heat exchange plate 3 is positioned at the right side of the fixed block 16, then, the heat exchange plate 3 and the fixed block 16 are placed at intervals by the operation, after the heat exchange plate 3 is installed, the nut 9 is rotated, the nut 9 is taken down from the threaded rod 8, at the moment, the threaded rod 8 is pushed to the left side, the threaded rod 8 pushes the limit push plate 4 to be contacted with the heat exchange plate 3, and then, the nut 9 and the threaded rod 8 are used for fixation, after the position of the limiting push plate 4 is fixed, the fixing block 16 can be rotated upwards to separate the fixing block 16 from the heat exchange plate 3, so that the heat exchange plate 3 can be used, and the working principle of the plate heat exchanger capable of preventing internal leakage is realized.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a prevent plate heat exchanger of internal leakage, includes end plate (1), its characterized in that: the inner wall of the end plate (1) is provided with a top plate (5), an upper supporting cross rod (7) and a lower supporting cross rod (11), an upper supporting cross bar (7) is arranged at the lower end of the top plate (5), a lower supporting cross bar (11) is arranged at the lower end of the upper supporting cross bar (7), and heat exchange plates (3) are inserted between the upper supporting cross bar (7) and the lower supporting cross bar (11), the heat exchange plates (3) are transversely distributed at equal intervals, the rear ends of the heat exchange plates (3) are provided with fixing rods (2), a second sliding groove (17) is arranged on the inner wall of the fixed rod (2), a second sliding block (18) is inserted in the second sliding groove (17), a fixed block (16) is arranged on the second sliding block (18), a protective rod (15) is arranged on the inner wall of the fixed block (16), and the protective rod (15) and the fixed block (16) form a rotary connection, and the protective rod (15) is inserted between the heat exchange plates (3).

2. An internal leakage prevention plate heat exchanger according to claim 1, characterized in that: a limiting push plate (4) is arranged on one side of the heat exchange plate (3), a first push rod (6) and a second push rod (10) are arranged on one side of the limiting push plate (4), and the second push rod (10) is located at the lower end of the first push rod (6).

3. An internal leakage prevention plate heat exchanger according to claim 2, characterized in that: the first push rod (6) comprises a threaded rod (8) and a nut (9), and the threaded rod (8) is in threaded connection with the nut (9).

4. A leak-in preventing plate heat exchanger according to claim 3, characterized in that: first spout (13) have been seted up to threaded rod (8) outer wall, and first spout (13) inside is inserted and is equipped with first slider (12).

5. An internal leakage prevention plate heat exchanger according to claim 4, characterized in that: one side of the first sliding block (12) is connected with the fixing rod (2), a bolt (14) is arranged on the first sliding block (12), and the first sliding block (12) is fixedly connected with the threaded rod (8) through the bolt (14).