CN211178067U

CN211178067U - Plate heat exchanger for high-temperature water temperature machine

Info

Publication number: CN211178067U
Application number: CN201921781935.2U
Authority: CN
Inventors: 何水祥; 刘云
Original assignee: Changzhou Xuao Machinery Co Ltd
Current assignee: Changzhou Xuao Machinery Co Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-08-04
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a plate heat exchanger for a high-temperature water temperature machine, which belongs to the technical field of plate heat exchangers, and adopts the technical scheme that the plate heat exchanger comprises a plate group, wherein the plate group comprises a plurality of heat exchange plates which are arranged in a stacked manner, two ends of the plate group are provided with a fixed pressing plate and a movable pressing plate, and four sides of the circumference of the plate group are connected with a protection plate; the plate group is connected with an upper guide rod and a lower guide rod along the two sides of the vertical direction in a sliding manner, the plate group is provided with zigzag folded piece positioning plates along the two axial sides of the plate group, and the two ends of each folded piece positioning plate are respectively fixedly connected with the fixed pressing plate and the movable pressing plate. The fold piece locating plate comprises a plurality of fold piece pieces which are bent and arranged and are sequentially hinged, a locating groove is formed in the bending position of each fold piece along the vertical direction of the fold piece, and two ends of each heat exchange plate are embedded into the locating groove. The utility model is suitable for a heat exchanger that needs large tracts of land equipment or secondary dismouting heat transfer board has quick location installation heat transfer board to reduce the equipment time of heat transfer board and the effect of cost of labor.

Description

Plate heat exchanger for high-temperature water temperature machine

Technical Field

The utility model belongs to the technical field of plate heat exchanger technique and specifically relates to a plate heat exchanger for high temperature machine is related to.

Background

The water temperature machine is a heating device adopting water as a heat transfer medium, and belongs to a branch of a mold temperature machine. The boiling point of water is 100 degrees celsius at normal atmospheric pressure, so the temperature of the water temperature machine can only be controlled to be less than or equal to 100 degrees celsius without pressurization. In actual production, a producer usually adopts a method of increasing the pressure of a pipeline to realize the effect of increasing the control temperature of the water temperature controller. At present, a plate heat exchanger is mainly adopted in the high-temperature water heater.

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 between the various plates through which heat is exchanged. The plate heat exchanger is an ideal device for heat exchange of 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.

As shown in fig. 1, a conventional plate heat exchanger includes a plate group 1, an upper guide rod 22, a lower guide rod 24, and a plurality of protection plates 2, where the plate group 1 includes a plurality of heat exchange plates 11, and the heat exchange plates 11 are thin metal sheets. The protection shield 2 is located the 1 circumference of plate group, and 1 both ends of plate group are equipped with fixed pressure strip 3 and activity pressure strip 4 to press from both sides tightly a plurality of heat transfer boards 11 through fixed pressure strip 3 and activity pressure strip 4, protection shield 2, fixed pressure strip 3 and activity pressure strip 4 form airtight space and wrap up plate group 1. The upper guide rod 22 is located above the plate set 1, the lower guide rod 24 is located below the plate set 1, one side, facing the plate set 1, of the fixed pressing plate 3 is fixedly connected with the upper guide rod 22 and one end of the lower guide rod 24, and the movable pressing plate 4 is connected with the upper guide rod 22 and the lower guide rod 24 in a sliding mode. The radial two sides of the lower guide rod 24 are provided with clamping bolts 5, and the axial two ends of the clamping bolts 5 respectively clamp the fixed compression plate 3 and the movable compression plate 4 with the plate set 1 through clamping nuts 51. The heat exchanger penetrates through the wall thickness of the fixed pressing plate 3 and the plate group 1 and is provided with a heat exchange inlet 31, a heat exchange outlet 32, a cooling inlet 33 and a cooling outlet 34 for introducing high-temperature water and a cooling medium to realize heat exchange.

Among the above-mentioned prior art scheme, the heat transfer plate is the most central part of plate heat exchanger, and the structural style of its equipment has decided that the heat transfer medium passageway between heat transfer plate and the heat transfer plate is narrower and small, generally only about 5 millimeters, consequently uses this equipment to the cleanliness requirement of heat transfer medium higher, only unpacks apart a piece of heat transfer plate and carries out the heat exchange efficiency that the incrustation scale washd and just can resume equipment. However, the installation and positioning of the heat exchange plate depend on the matching precision of the heat exchange plate with the upper guide rod and the lower guide rod and the skill level of installation workers, and the heat exchange plate is frequently assembled and disassembled for multiple times in large-area assembly to ensure qualified pressure test, so that the time cost and labor cost of assembly are high, and the heat exchange plate is not convenient to quickly position and install.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a plate heat exchanger for high temperature machine has quick location installation heat transfer board, in the large tracts of land equipment, through less dismouting number of times, just can the pressure testing be qualified to reduce the effect of the equipment time cost and the cost of labor of heat transfer board.

The above technical purpose of the present invention can be achieved by the following technical solutions:

A plate heat exchanger for a high-temperature water temperature machine comprises a plate group, wherein the plate group comprises a plurality of heat exchange plates which are arranged in a stacked mode, a fixed pressing plate and a movable pressing plate are respectively arranged at two axial ends of the plate group, and the movable pressing plate enables the plate group to be connected towards the fixed pressing plate in a clamping mode through a clamping bolt and a clamping nut; the four circumferential sides of the plate sheet group are connected with protection plates; fixed pressure strip runs through its wall thickness and is equipped with heat transfer import, heat transfer export, cooling import and cooling outlet, its characterized in that: the plate group is connected with an upper guide rod and a lower guide rod in a sliding manner along two sides in the vertical direction, the plate group is provided with fold piece positioning plates along two axial sides, the fold piece positioning plates are in a sawtooth shape, one end of each fold piece positioning plate is fixedly connected with the fixed pressing plate, and the other end of each fold piece positioning plate is fixedly connected with the movable pressing plate;

The folded piece positioning plate comprises a plurality of folded piece pieces which are bent to be arranged, the folded piece pieces are sequentially hinged, a positioning groove is formed in the bending position of the folded piece along the vertical direction of the folded piece, the opening of the positioning groove faces towards the heat exchange plate, a plug-in port for inserting the heat exchange plate is formed in one end, facing towards the upper guide rod, of the positioning groove, and two ends of the heat exchange plate are embedded into the positioning groove.

Through adopting above-mentioned technical scheme, insert the constant head tank with heat transfer board both ends through the inserted hole, quick fixed and location heat transfer board, in the large tracts of land equipment, can just can be qualified through less dismouting number of times, thereby reduce the equipment time cost and the cost of labor of heat transfer board. Along with the movable pressing plate is clamped towards the fixed pressing plate side, the flap positioning plate is compressed and folded along the hinged position, and the distance between the adjacent heat exchange plates can be controlled according to the requirement of heat exchange efficiency. The positioning grooves in the flap positioning plates are fixed and cannot be folded, so that a larger heat exchange medium channel can be formed between the adjacent heat exchange plates after the adjacent heat exchange plates are pressed, and the times of cleaning scales by disassembling and assembling the heat exchange plates are reduced.

The utility model discloses further set up to, the folded piece locating plate orientation guide arm one side is equipped with a plurality of first pulleys down, the protection shield orientation first pulley one side is equipped with first spout, first pulley embedding set up in the first spout and with first spout slides and connects.

By adopting the technical scheme, the compression sliding path of the flap positioning plate can be fixed and positioned, so that the flap positioning plate is compressed along the extension direction of the first sliding groove, and the aim of quickly installing the reset heat exchange plate is fulfilled.

The utility model discloses further set up to, the constant head tank inside wall is equipped with the sealing layer.

Through adopting above-mentioned technical scheme, the sealing layer is used for making heat exchange plate and constant head tank closely laminate to reduce heat exchanger heat exchange plate vibration range in the course of the work, increase heat exchanger's life, and can prevent the phenomenon of heat transfer medium weeping.

The utility model discloses further set up to, lock nut orientation locking bolt one side is equipped with lock washer.

Through adopting above-mentioned technical scheme, lock washer is used for protecting lock bolt's surface not receive lock nut scotch, and dispersion lock nut increases the locking effect to lock bolt's pressure.

The utility model is further arranged in that one end of the upper guide rod and one end of the lower guide rod are fixedly connected with the fixed compression plate, the other end of the upper guide rod is sleeved with a fixed bracket, and the other end of the lower guide rod is embedded and arranged on the movable compression plate; the fixed bolster with the activity pressure strip is kept away from one side fixed connection of slab group, the second spout has been seted up along its axial symmetry to the upper guide arm, the fixed bolster orientation the embedding of second spout is equipped with the second pulley, the second pulley with the second spout slides and is connected.

Through adopting above-mentioned technical scheme, the fixed bolster is used for connecting the activity pressure strip, and the second pulley makes the activity pressure strip can pass through the fixed bolster and directionally slide along the extending direction of upper guide arm to can compress tightly the heat transfer board fast.

The utility model discloses further set up to, the heat transfer board orientation go up guide arm one end and seted up the mounting groove, go up the guide arm orientation mounting groove one side embedding sets up in the mounting groove, just the heat transfer board is followed the extending direction of going up the guide arm slides.

Through adopting above-mentioned technical scheme, the mounting groove is used for cooperating with last guide arm to take place the skew when preventing that the interval between the heat transfer board from being compressed, thereby increase the installation positioning accuracy of heat transfer board.

The utility model discloses further set up to, go up the guide arm with fixedly connected with support post between the guide arm down, just support post is located and keeps away from fixed pressure strip one end, support post bottom integrated into one piece has the support lower margin, fixed pressure strip orientation lower guide arm one end symmetry is equipped with the frame lower margin.

By adopting the technical scheme, when the movable pressing plate slides, the supporting upright posts are matched with the fixed pressing plate, so that the distance between the upper guide rod and the lower guide rod is fixed, and the combined installation of the heat exchanger is facilitated. The frame feet and the supporting feet are used for supporting the heat exchanger, so that the heat exchanger can be stably prevented from being arranged on the bottom surface or in equipment, and the surfaces of the heat exchanger are prevented from being scratched or damaged when the heat exchanger is directly placed on the ground or in the equipment in the transportation process.

To sum up, the utility model discloses following beneficial effect has:

1. Through the arrangement of the flap positioning plate and the positioning groove, the heat exchange plate can be quickly fixed and positioned, and qualified pressure test can be realized through fewer disassembly and assembly times in large-area assembly, so that the effects of reducing the assembly time cost and labor cost of the heat exchange plate are achieved;

2. The arrangement of the first pulley and the first pulley can play a role in the compression and sliding direction of the positioning plate of the directional folding sheet, thereby preventing the heat exchange plate from shifting in the process of compressing the spacing;

3. Through the setting of sealing layer and lock washer, can play sealed heat exchanger, prevent the weeping to can reduce heat exchanger in the course of the work, the vibration range of inside heat transfer board, thereby promote heat exchanger's life's effect.

Drawings

Fig. 1 is an exploded view of the overall structure of a heat exchanger in the prior art.

Fig. 2 is a schematic view of the overall structure of the heat exchanger in this embodiment.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2, for illustrating a connection relationship between the heat exchange plate and the upper guide bar.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 2, for showing a connection relationship between the first pulley and the first chute.

Fig. 5 is a schematic top view of the overall structure of the heat exchanger in this embodiment.

Fig. 6 is a partially enlarged view of the portion C in fig. 5 for showing the connection relationship between the flap member and the positioning groove.

In the figure, 1, a plate group; 11. a heat exchange plate; 12. mounting grooves; 2. a protection plate; 21. a first chute; 22. an upper guide rod; 23. a second chute; 24. a lower guide rod; 3. fixing the pressing plate; 31. a heat exchange inlet; 32. a heat exchange outlet; 33. a cooling inlet; 34. a cooling outlet; 35. frame ground feet; 4. a movable pressure strip; 41. supporting the upright post; 42. supporting the ground feet; 5. clamping the bolt; 51. clamping the nut; 52. a lock washer; 6. folding positioning plates; 61. folding the sheet; 62. positioning a groove; 63. a sealing layer 64, a socket; 65. a first pulley; 7. fixing a bracket; 71. a second pulley.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

Referring to fig. 2, the plate heat exchanger for a high-temperature water temperature machine disclosed in this embodiment includes an upper guide rod 22 and a lower guide rod 24 which are oppositely disposed, a movable pressure plate 4, a plate group 1 and a fixed pressure plate 3 are sequentially connected between the upper guide rod 22 and the lower guide rod 24 along an axial direction thereof through a clamping bolt 5, and a protection plate 2 is circumferentially connected to the plate group 1 for protecting and sealing the plate group 1. The movable pressing plate 4 and the fixed pressing plate 3 are locked by the locking nuts at two sides in the wall thickness direction, and in order to enhance the locking effect, the locking nuts are provided with locking washers 52 (see fig. 3) at one side facing the locking bolts.

Referring to fig. 2 and 3, heat exchange inlets 31, heat exchange outlets 32, cooling inlets 33 and cooling outlets 34 are formed at four corners of the fixed compression plate 3 through the wall thickness thereof, and used for entering and exiting cooling media and heat exchange media. In order to support the distance between the end of the upper guide rod 22 far away from the fixed compression plate 3 and the lower guide rod 24, a support column 41 is connected to the end of the upper guide rod 22 far away from the fixed compression plate 3. The bottom of the supporting column 41 is provided with a supporting foot 42, and the bottom of the fixed pressing plate 3 is provided with a frame foot 35 for stably supporting the whole heat exchanger.

Referring to fig. 2 and 3, one end of the upper guide rod 22 and one end of the lower guide rod 24 facing the fixed pressing plate 3 are connected with the fixed pressing plate 3 through bolts, one end of the upper guide rod 22 facing the movable pressing plate 4 is connected with the fixed support 7 in a sliding mode, the fixed support 7 is fixedly connected with the movable pressing plate 4 through bolts, and the top of the lower guide rod 24 is embedded into the bottom of the movable pressing plate 4, so that the movable pressing plate 4 can slide along the extending direction of the upper guide rod 22 after being installed.

Referring to fig. 2 and 3, in this embodiment, preferably, in order to facilitate the sliding of the fixing bracket 7 on the upper guide rod 22, the fixing bracket 7 is symmetrically provided with second pulleys 71 along the axis thereof, the upper guide rod 22 is symmetrically provided with second sliding grooves 23 along the axial direction thereof, the second pulleys 71 are embedded into the second sliding grooves 23, and the second pulleys 71 are connected with the second sliding grooves 23 in a sliding manner. The plate group 1 comprises a plurality of heat exchange plates 11 which are stacked, a mounting groove 12 is formed in one side, facing the upper guide rod 22, of each heat exchange plate 11, and the upper guide rod 22 is embedded in the mounting groove 12, so that the heat exchange plates 11 can be conveniently positioned when being mounted.

Referring to fig. 5 and 6, in order to achieve the purpose of quickly positioning the installation position of the heat exchange plate 11 when the heat exchange plate 11 is installed, the folded piece positioning plates 6 which are zigzag are symmetrically arranged along the horizontal direction of the plate set 1, one side of each folded piece positioning plate 6, which is far away from the plate set 1, is arranged towards the vertically installed protection plate 2, and two ends of each folded piece positioning plate 6 in the horizontal direction are respectively connected with the fixed compression plate 3 and the movable compression plate 4 through bolts. The fold piece positioning plate 6 comprises a plurality of fold piece parts 61 which are arranged in a bending way, and the adjacent fold piece parts 61 are hinged with each other, so that the fold piece positioning plate 6 can be stretched and compressed. Folded sheet piece 61 summit department is equipped with constant head tank 62 along its vertical direction, and the opening part of constant head tank 62 sets up towards heat transfer plate 11, constant head tank 62 is seted up towards upper guide arm 22 one end and is supplied heat transfer plate 11 male interface 64, insert heat transfer plate 11 from interface 64, make the embedding of heat transfer plate 11 both ends set up in constant head tank 62, through the articulated of folded sheet piece 61 and the setting of constant head tank 62, can adjust the interval between two adjacent heat transfer plates 11 according to heat exchange efficiency, through great heat transfer medium passageway, thereby reduce the number of times that dismouting heat transfer plate 11 washd the incrustation scale.

Referring to fig. 4 and 6, in order to reduce the vibration amplitude of the heat exchange plate 11 during the operation of the heat exchanger, a sealing layer 63 is disposed on the inner side wall of the positioning groove 62, so that both ends of the installed heat exchange plate 11 can be stably installed in the positioning groove 62. In this example, the sealing layer 63 is a rubber gasket. In order to facilitate the positioning of the positioning flap positioning plate 6 and the direction of compression and extension of the positioning flap positioning plate 6, a first pulley 65 is disposed at an end of the positioning slot 62 away from the insertion opening 64, a first sliding slot 21 is disposed at one side of the protection plate 2 located at the bottom of the plate set 1 facing the first pulley 65, and the first pulley 65 is embedded in the first sliding slot 21 and connected to the first sliding slot 21 in a sliding manner.

The implementation principle of the above embodiment is as follows: when the device is installed, the fixed compression plate 3, the bottom protection plate 2 and the support upright 41 are sequentially connected, and then the lower guide rod 24 penetrates through the support upright 41 and one end of the lower guide rod 24 is connected with the fixed compression plate 3. Then, the first pulley 65 at the bottom of the positioning plate 6 is slid into the first sliding slot 21 from the side where the supporting column 41 is located, and one end of the positioning plate 6 is connected to the fixed pressing plate 3, and the heat exchange plates 11 are sequentially inserted into the positioning slots 62 for installation.

Then, the movable pressing plate 4 is installed, the other end of the flap positioning plate 6 is connected with one side of the movable pressing plate 4, then the upper guide rod 22 is installed, one end of the upper guide rod 22 is connected with the side of the movable pressing plate 4, the other end of the upper guide rod is connected with the side wall of the top of the movable pressing plate 4 through the fixed support 7, and the bottom of the upper guide rod 22 is embedded into the installation groove 12. And then pressing the heat exchange plate 11 and the movable pressing plate 4, and locking the fixed pressing plate 3 and the movable pressing plate 4 through a locking bolt and a locking nut, so that the distance between the fixed pressing plate 3 and the movable pressing plate 4 is fixed. And finally, installing the two side protection plates 2 and the top protection plate 2 and sealing to finish installation.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A plate heat exchanger for a high-temperature water temperature machine comprises a plate group (1), wherein the plate group (1) comprises a plurality of heat exchange plates (11) which are arranged in a stacked mode, a fixed pressing plate (3) and a movable pressing plate (4) are respectively arranged at two axial ends of the plate group (1), and the movable pressing plate (4) clamps and connects the plate group (1) towards the fixed pressing plate (3) side through a clamping bolt (5) and a clamping nut (51); the four circumferential sides of the plate group (1) are connected with protection plates (2); fixed pressure strip (3) run through its wall thickness and are equipped with heat transfer import (31), heat transfer export (32), cooling import (33) and cooling export (34), its characterized in that: the plate group (1) is connected with an upper guide rod (22) and a lower guide rod (24) along two sides of the vertical direction in a sliding manner, the plate group (1) is provided with fold piece positioning plates (6) along two axial sides of the plate group, the fold piece positioning plates (6) are in a sawtooth shape, one end of each fold piece positioning plate (6) is fixedly connected with the fixed pressing plate (3), and the other end of each fold piece positioning plate is fixedly connected with the movable pressing plate (4);

The folding piece positioning plate (6) comprises a plurality of folding piece pieces (61) which are bent to be arranged, the folding piece pieces (61) are sequentially hinged, positioning grooves (62) are formed in the bending positions of the folding piece pieces (61) in the vertical direction, the opening parts of the positioning grooves (62) face the heat exchange plate (11) in a set mode, the positioning grooves (62) face the upper guide rod (22) one end is provided with inserting ports (64) which can supply the heat exchange plate (11) to be inserted, and two ends of the heat exchange plate (11) are embedded into the positioning grooves (62).

2. A plate heat exchanger for a high temperature water temperature machine according to claim 1, wherein: the folding piece positioning plate (6) is provided with a plurality of first pulleys (65) towards one side of the lower guide rod (24), the protection plate (2) is provided with a first sliding groove (21) towards one side of the first pulleys (65), and the first pulleys (65) are embedded in the first sliding groove (21) and connected with the first sliding groove (21) in a sliding mode.

3. A plate heat exchanger for a high temperature water temperature machine according to claim 1, wherein: and a sealing layer (63) is arranged on the inner side wall of the positioning groove (62).

4. A plate heat exchanger for a high temperature water temperature machine according to claim 1, wherein: a locking washer (52) is arranged on one side of the clamping nut (51) facing the clamping bolt (5).

5. A plate heat exchanger for a high temperature water temperature machine according to claim 1, wherein: one ends of the upper guide rod (22) and the lower guide rod (24) are fixedly connected with the fixed compression plate (3), the other end of the upper guide rod (22) is sleeved with a fixing support (7), and the other end of the lower guide rod (24) is embedded in the movable compression plate (4); fixed bolster (7) with activity pressure strip (4) are kept away from one side fixed connection of slab group (1), second spout (23) have been seted up along its axial symmetry in last guide arm (22), fixed bolster (7) orientation second spout (23) embedding is equipped with second pulley (71), second pulley (71) with second spout (23) are slided and are connected.

6. A plate heat exchanger for a high temperature water temperature machine according to claim 5, wherein: the heat exchange plate (11) faces one end of the upper guide rod (22) and is provided with a mounting groove (12), the upper guide rod (22) faces one side of the mounting groove (12) and is embedded into the mounting groove (12), and the heat exchange plate (11) slides along the extending direction of the upper guide rod (22).

7. A plate heat exchanger for a high temperature water temperature machine according to claim 6, wherein: go up guide arm (22) with fixedly connected with support post (41) between lower guide arm (24), just support post (41) are located and keep away from fixed pressure strip (3) one end, support post (41) bottom integrated into one piece has support lower margin (42), fixed pressure strip (3) orientation lower guide arm (24) one end symmetry is equipped with frame lower margin (35).