CN209857705U - Plate heat exchanger of easy maintenance - Google Patents
Plate heat exchanger of easy maintenance Download PDFInfo
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- CN209857705U CN209857705U CN201920399796.0U CN201920399796U CN209857705U CN 209857705 U CN209857705 U CN 209857705U CN 201920399796 U CN201920399796 U CN 201920399796U CN 209857705 U CN209857705 U CN 209857705U
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- heat exchanger
- cross beam
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- dovetail
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Abstract
The utility model discloses an easy-to-maintain plate heat exchanger, which comprises a fixed plate, a movable plate, an upper crossbeam, a lower crossbeam, a stand column and a bolt pair; the device also comprises a plate, a hinge and a roller device; the plate is arranged between the fixed plate and the movable plate, dovetail grooves are formed in the centers of the top end and the bottom end of the plate, and the upper cross beam and the lower cross beam are clamped in the dovetail grooves; the protrusion of the dovetail groove at the top, which is close to the edge of the plate sheet, is a movable sheet, and the movable sheet is hinged with the plate sheet through a hinge; the roller device comprises a supporting plate and a roller; the two supporting plates are arranged at the top of the movable plate; the roller is rotatably connected between the two supporting plates and is in rolling contact with the top of the upper crossbeam. The utility model discloses a heat exchanger slab with dovetail shape location breach has realized five point locate mode, is folding structure through the dovetail design with the top moreover, can change the size of dovetail opening part at the in-process of installation or dismantlement, fixes a position accurate, simple to use, easily maintenance.
Description
Technical Field
The utility model relates to a heat exchanger, more specifically the plate heat exchanger who relates to an easily dismantle heat exchanger slab, be convenient for maintenance that says so.
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 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, convenience in installation and cleaning, 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 a tubular heat exchanger, the occupied area of the heat exchanger is one third of that of the tubular heat exchanger, and the heat recovery rate can reach more than 90 percent.
The heat exchanger plate is used as an important element of a plate heat exchanger, and scaling and even corrosion of the plate are inevitably caused in the long-term use process; most of the sealing rubber gaskets adopt rubber gaskets which can age along with time to cause leakage of the plate heat exchanger, and the leakage of the plate heat exchanger can also be caused because the corrosion of different medium components to the plate structure is different. The plate heat exchanger structure or corruption all can influence plate heat exchanger's normal use, so will maintain measures such as change, traditional plate heat exchanger's maintenance need pull down the heat exchanger from the system and maintain, so cause the maintenance troublesome, influence industrial production even, the inconvenient situation of this kind of maintenance of traditional plate heat exchanger can not adapt to quick economic development's needs already. Therefore, many plate heat exchangers are now marketed, which are easy to disassemble the heat exchanger plates, for example: the utility model discloses an authorization notice number is CN 201440050U's utility model, the patent of title "easy dismouting formula heat exchanger slab" discloses a heat exchanger slab of easily dismantling promptly, and the location breach through the dovetail structure improves positioning accuracy and positioning speed, nevertheless, because the special shape of dovetail structure, still appears dismantling the difficult operation scheduling problem of in-process.
Therefore, how to provide a plate heat exchanger with easy disassembly of heat exchanger plates is a problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a plate heat exchanger of easy maintenance realizes the quick dismantlement and the installation of slab, convenient to use, the maintenance of being convenient for through folding dovetail fixed knot structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an easy-to-maintain plate heat exchanger comprises a fixed plate, a movable plate, an upper cross beam, a lower cross beam, an upright post and a bolt pair; the fixed plate and the movable plate are arranged in parallel; one end of the upper cross beam is fixedly connected with the top of the fixed plate, and the other end of the upper cross beam penetrates through the movable plate and is fixedly connected with the upright post; one end of the lower cross beam is fixedly connected with the bottom of the fixed plate, and the other end of the lower cross beam penetrates through the movable plate and is fixedly connected with the upright post; the bolt pairs are fixedly connected with the edges of the fixed plate and the movable plate; the device also comprises a plate, a hinge and a roller device;
the plate is arranged between the fixed plate and the movable plate, dovetail grooves are formed in the centers of the top end and the bottom end of the plate, and the upper cross beam and the lower cross beam are clamped in the dovetail grooves;
the protrusion of the dovetail groove at the top, which is close to the edge of the plate sheet, is a movable sheet, and the movable sheet is hinged with the plate sheet through the hinge;
the roller device comprises a supporting plate and a roller; the two support plates are arranged at the top of the movable plate; the roller is rotatably connected between the two support plates and is in rolling contact with the top of the upper cross beam.
Through the technical scheme, the heat exchanger plate with the dovetail groove-shaped positioning notch is fixed between the upper cross beam and the lower cross beam, so that a five-point positioning mode is realized, the over-positioning condition is prevented from being generated in the installation process, the plate can longitudinally and downwardly extend when being heated and clamped to bear force, the leakage chance of the plate heat exchanger can be greatly reduced, the plate is not deformed, and the plate positioning of the plate heat exchanger is more accurate; and through designing the dovetail at top for folding structure, can be at the in-process of installation or dismantlement, change the size of dovetail opening part, convenient dismantlement and installation, easy to use, easily maintenance.
Preferably, in the plate heat exchanger easy to maintain, a cross section of the upper cross beam is i-shaped. The I-shaped upper cross beam can be matched with the dovetail groove, so that the positioning function can be achieved, and meanwhile, the clamping and fixing function can be achieved.
Preferably, in the plate heat exchanger easy to maintain, a cross section of the lower cross beam is rectangular. The lower beam of the rectangular structure can be matched with the dovetail groove, a space capable of moving downwards can be reserved, the lower beam is combined with the upper beam of the I-shaped structure at the top, the beneficial effect of five-point positioning is achieved, over-positioning is prevented, and the positioning effect is more accurate.
Preferably, in the plate heat exchanger easy to maintain, the plate heat exchanger further comprises a limiting device, the limiting device is arranged on the other side opposite to the hinge, and the limiting device comprises a rotating shaft, a connecting rod and a clamping groove; the rotating shaft is arranged on the plate; the connecting rod is rotationally connected to the rotating shaft; the clamping groove is arranged on the movable sheet, and the connecting rod is clamped with the clamping groove. Stop device's setting can make the connection structure of movable piece and slab more stable, prevents that the movable piece pivoted condition from appearing, when installation or dismantlement, only needs to separate connecting rod and draw-in groove, can rotate the movable piece.
Can know via foretell technical scheme, compare with prior art, the utility model discloses an easy plate heat exchanger of maintaining has following beneficial effect:
1. the utility model discloses a heat exchanger slab with dovetail shape location breach fixes it between the entablature, has realized five point locate mode, prevents to produce the location condition in the installation, and the slab can prolong vertical downwardly extending when being heated and pressing from both sides tight atress, can greatly reduced plate heat exchanger's leakage chance, and the slab does not have the deformation to the location that makes plate heat exchanger be more accurate.
2. With the dovetail design at top for folding structure, like traditional dovetail structure, need the horizontal direction to rock the slab and just can break away from the entablature from the dovetail, if the narrow then difficult operation of structure, the utility model discloses then through the size that changes the dovetail opening part, convenient dismantlement and installation are easy to use, easily maintenance.
3. Set up stop device, when installation or dismantlement, only need with connecting rod and draw-in groove separation, can rotate the movable plate, prevent that movable plate in use pivoted condition from appearing, can make the connection structure of movable plate and slab more stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure provided by the present invention;
FIG. 2 is a schematic structural view of the top of the plate provided by the present invention;
FIG. 3 is a schematic structural diagram of A provided by the present invention;
fig. 4 is a schematic structural diagram of a bottom of a plate provided by the present invention;
FIG. 5 is a schematic structural diagram of a component B according to the present invention;
fig. 6 is a schematic diagram of a structure for fixing the sheet.
Wherein:
1-fixing the plate;
2-a movable plate;
3-upper beam;
4-a lower cross beam;
5-upright column;
6-bolt pair;
7-a sheet;
71-a hinge; 72-dovetail groove; 73-a movable plate;
8-a roller device;
81-a support plate; 82-a roller;
9-a limiting device;
91-a rotating shaft; 92-a connecting rod; 93-card slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the embodiment of the present invention discloses an easy-to-maintain plate heat exchanger, which includes a fixed plate 1, a movable plate 2, an upper beam 3, a lower beam 4, a column 5 and a bolt pair 6; the fixed plate 1 and the movable plate 2 are arranged in parallel; one end of the upper beam 3 is fixedly connected with the top of the fixed plate 1, and the other end of the upper beam passes through the movable plate 2 and is fixedly connected with the upright post 5; one end of the lower beam 4 is fixedly connected with the bottom of the fixed plate 1, and the other end of the lower beam passes through the movable plate 2 and is fixedly connected with the upright post 5; a plurality of bolt pairs 6 are fixedly connected with the edges of the fixed plate 1 and the movable plate 2; the device also comprises a plate 7, a hinge 71 and a roller device 8;
the plate 7 is arranged between the fixed plate 1 and the movable plate 2, dovetail grooves 72 are formed in the centers of the top end and the bottom end of the plate 7, and the upper cross beam 3 and the lower cross beam 4 are clamped in the dovetail grooves 72;
the dovetail groove 72 at the top is provided with a movable sheet 73 close to the bulge of the edge of the plate 7, and the movable sheet 73 is hinged with the plate 7 through a hinge 71;
the roller device 8 includes a support plate 81 and a roller 82; the two supporting plates 81 are arranged at the top of the movable plate 2; the roller 82 is rotatably connected between the two support plates 81, and the roller 82 is in rolling contact with the top of the upper cross beam 3.
In order to further optimize the technical scheme, the cross section of the upper cross beam 3 is I-shaped.
In order to further optimize the above technical solution, the cross section of the lower beam 4 is rectangular.
Referring to fig. 4 to 5, the hinge further includes a limiting device 9, the limiting device 9 is disposed on the other side opposite to the hinge 71, and the limiting device 9 includes a rotating shaft 91, a connecting rod 92 and a slot 93; the rotating shaft 91 is arranged on the sheet 7; the connecting rod 92 is rotatably connected to the rotating shaft 91; the slot 93 is disposed on the movable plate 73, and the connecting rod 92 is connected to the slot 93.
The utility model discloses a use method does:
referring to fig. 6, the dovetail grooves 72 at the top and the bottom of the plate 7 are respectively clamped and positioned with the upper cross beam 3 and the lower cross beam 4, after positioning, the dovetail groove 72 at the top is in three-point contact with the upper cross beam 3, and the dovetail groove 72 at the bottom is in two-point contact with the lower cross beam 4, so that a five-point positioning type structure is formed, when the plate 7 is heated or clamped and stressed, the plate can extend downwards along the longitudinal direction, and the structure is more stable.
During installation or disassembly, the bolt pair 6 is disassembled firstly, the movable plate 2 is pushed to move towards the direction away from the fixed plate 1, the roller 82 rolls on the upper cross beam 3 to drive the movable plate 2 to move, and at the moment, a space for disassembling the plate 7 is reserved. Then, the link 92 is rotated about the rotary shaft 91 to disengage the link 92 from the slot 93, and at this time, the opening of the top dovetail groove 72 is enlarged by rotating the movable piece 73 along the hinge 71, so that the flange of the i-shaped upper cross beam 3 can enter or disengage from the dovetail groove 72.
When the plate 7 is installed between the upper beam 3 and the lower beam 4, the connecting rod 92 is clamped with the clamping groove 93, and the movable plate 73 fixes the flange of the upper beam 3.
The utility model provides a heat exchanger is the improvement of going on current plate heat exchanger, except the utility model provides a concrete structure, other structures are all the same with prior art, no longer give unnecessary details here.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. An easy-to-maintain plate heat exchanger comprises a fixed plate (1), a movable plate (2), an upper cross beam (3), a lower cross beam (4), an upright post (5) and a bolt pair (6); the fixed plate (1) and the movable plate (2) are arranged in parallel; one end of the upper cross beam (3) is fixedly connected with the top of the fixed plate (1), and the other end of the upper cross beam penetrates through the movable plate (2) to be fixedly connected with the upright post (5); one end of the lower cross beam (4) is fixedly connected with the bottom of the fixed plate (1), and the other end of the lower cross beam penetrates through the movable plate (2) to be fixedly connected with the upright post (5); the bolt pairs (6) are fixedly connected with the edges of the fixed plate (1) and the movable plate (2); the device is characterized by also comprising a plate (7), a hinge (71) and a roller device (8);
the plate (7) is arranged between the fixed plate (1) and the movable plate (2), dovetail grooves (72) are formed in the centers of the top end and the bottom end of the plate (7), and the upper cross beam (3) and the lower cross beam (4) are clamped in the dovetail grooves (72);
the protrusion of the dovetail groove (72) at the top, which is close to the edge of the plate piece (7), is a movable piece (73), and the movable piece (73) is hinged with the plate piece (7) through the hinge (71);
the roller device (8) comprises a supporting plate (81) and a roller (82); the two support plates (81) are arranged at the top of the movable plate (2); the roller (82) is rotatably connected between the two support plates (81), and the roller (82) is in rolling contact with the top of the upper cross beam (3).
2. An easy-to-service plate heat exchanger according to claim 1, characterized in that the cross-section of the upper cross-beam (3) is i-shaped.
3. A maintenance-friendly plate heat exchanger according to claim 1 or 2, characterized in that the cross-section of the lower cross-beam (4) is rectangular.
4. An easy-to-maintain plate heat exchanger according to claim 1, further comprising a limiting device (9), wherein the limiting device (9) is disposed on the other side opposite to the hinge (71), and the limiting device (9) comprises a rotating shaft (91), a connecting rod (92) and a clamping groove (93); the rotating shaft (91) is arranged on the plate (7); the connecting rod (92) is rotatably connected to the rotating shaft (91); the clamping groove (93) is formed in the movable sheet (73), and the connecting rod (92) is connected with the clamping groove (93) in a clamped mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920399796.0U CN209857705U (en) | 2019-03-27 | 2019-03-27 | Plate heat exchanger of easy maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920399796.0U CN209857705U (en) | 2019-03-27 | 2019-03-27 | Plate heat exchanger of easy maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209857705U true CN209857705U (en) | 2019-12-27 |
Family
ID=68935227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920399796.0U Active CN209857705U (en) | 2019-03-27 | 2019-03-27 | Plate heat exchanger of easy maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209857705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102133150B1 (en) * | 2020-03-23 | 2020-07-13 | 신달식 | Frame for plate type heat exchanger used in Plant |
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2019
- 2019-03-27 CN CN201920399796.0U patent/CN209857705U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102133150B1 (en) * | 2020-03-23 | 2020-07-13 | 신달식 | Frame for plate type heat exchanger used in Plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 063000 northeast of Songyi village, Hancheng Town, Lubei District, Tangshan City, Hebei Province Patentee after: Hebei Ruineng Haoyu heat transfer equipment Co.,Ltd. Address before: 063000 northeast of Songyi village, Hancheng Town, Lubei District, Tangshan City, Hebei Province Patentee before: Tangshan Ruinong Haoyu Heat Transfer Equipment Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |