CN216592909U

CN216592909U - Welded plate type heat exchanger

Info

Publication number: CN216592909U
Application number: CN202123003631.3U
Authority: CN
Inventors: 陈明; 陈庚; 徐殿国; 高健; 石晓潇
Original assignee: YANGZHOU PANSTAR HEAT EXCHANGE EQUIPMENT CO Ltd
Current assignee: YANGZHOU PANSTAR HEAT EXCHANGE EQUIPMENT CO Ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-05-24
Anticipated expiration: 2031-12-02

Abstract

The utility model belongs to the technical field of plate heat exchangers, in particular to a welded plate heat exchanger, which comprises a machine body, wherein the machine body comprises a first fixed plate and a second fixed plate, the corresponding positions of the first fixed plate and the second fixed plate are connected with heat exchange plates distributed in a linear array in an abutting mode, a clamping strip is used for fixing a wave strip sheet positioned in a heat exchange groove, when cold and hot fluids can flow in the heat exchange groove, the wave strip sheet is used for increasing the contact area of the cold and hot fluids and the inner wall of the heat exchange groove and prolonging the flow path of the cold and hot fluids in the heat exchange groove, so that the heat exchange efficiency of the heat exchange plate is improved, meanwhile, when scale is formed in the heat exchange groove and needs to be cleaned, only each wave strip sheet needs to be disassembled, and each wave strip sheet is treated and replaced uniformly, no obstruction of the wave strip sheet exists in the heat exchange groove, the inner wall of the heat exchange groove is smooth, and beneficial to large-area dirt treatment on the inner wall of the heat exchange groove by workers, the cleaning efficiency of the heat exchange plate is improved.

Description

Welded plate type heat exchanger

Technical Field

The utility model relates to the technical field of plate heat exchangers, in particular to a welded plate heat exchanger.

Background

The welded plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes. The plate heat exchanger has the characteristics of low heat loss, small volume, long service life, high heat exchange efficiency and the like, cold and hot fluid is respectively conveyed by the corrugated wire slot channels on two sides of each plate, heat exchange is carried out through the plates, the heat dissipation or heating effect is achieved, the plate heat exchanger is used for a long time, scales can be formed in corrugated grooves formed in the plates, the corrugated groove channels are blocked, normal heat transfer of the plates and normal flowing of the cold and hot fluid in the corrugated groove channels are influenced, workers are required to regularly clean the scales on the plates, in the cleaning process, due to the fact that the corrugated wire slots formed in the plates are bent and broken, unified cleaning cannot be carried out, the workers are required to clean the wire slots on the plates one by utilizing shovels, and time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a welded plate type heat exchanger, which solves the problem that the cleaning of each wire slot on a plate sheet in the background technology is time-consuming and labor-consuming.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose:

a welded plate heat exchanger comprises a machine body, wherein the machine body comprises a first fixed plate and a second fixed plate, heat exchange plates distributed in a linear array are connected at corresponding positions of the first fixed plate and the second fixed plate in an abutting mode, two heat conduction ports and two cooling ports which correspond to each other are symmetrically formed in one side of each heat exchange plate and one side of the second fixed plate, heat exchange grooves are formed in the central positions of two sides of each heat exchange plate, two sides of each heat exchange groove are respectively communicated with the two heat conduction ports and the two cooling ports on the heat exchange plates, wave strips distributed in the linear array are connected in the heat exchange grooves in an abutting mode, jacks are formed in two ends of each wave strip, two clamping strips are arranged in the heat exchange grooves and are respectively located at two ends of each wave strip, inserting rods distributed in the linear array are installed at one side of each clamping strip, and each inserting rod on each clamping strip is respectively connected with a jack at one end of each wave strip in an inserting mode, and the heat exchange plate is provided with a limiting assembly for limiting the clamping strip.

Preferably, the card strip both ends all seted up the perforation, the relative fenestrate corresponding position department of heat transfer board sets up threaded hole, and spacing subassembly includes two screws, two screw distributions and the perforation threaded connection at card strip both ends, and the expansion end of screw passes the perforation to with the screw hole threaded connection on the heat transfer board.

Preferably, a nut groove is formed in the corresponding position, opposite to the through hole, of one side of the clamping strip, and the nut groove is matched with a nut on the screw.

Preferably, a closed groove is formed in the position, corresponding to the threaded hole, of the heat exchange plate, the threaded hole is formed in the inner wall of the closed groove, and the closed groove is connected with one end of the clamping strip in an inserting mode.

Preferably, be provided with six dead levers, six between first fixed plate and the second fixed plate the dead lever is located heat transfer board respectively all around, and the dead lever outer wall is contradicted with heat transfer board table wall and is connected, the through-hole of seting up on first fixed plate and the second fixed plate is passed respectively at the both ends of dead lever to equal threaded connection has the nut, two the nut is contradicted with one side that first fixed plate and second fixed plate deviate from respectively and is connected.

(III) advantageous effects

Compared with the prior art, the utility model provides a welded plate heat exchanger, which has the following beneficial effects:

according to the utility model, the heat exchange groove is arranged, the plurality of wave strips are arranged in the heat exchange groove, the wave strips positioned in the heat exchange groove are fixed by the clamping strips, when cold and hot fluids can flow in the heat exchange groove, the wave strips are used for increasing the contact area between the cold and hot fluids and the inner wall of the heat exchange groove and prolonging the flow path of the cold and hot fluids in the heat exchange groove, so that the heat exchange efficiency of the heat exchange plate is improved, meanwhile, when scale is formed in the heat exchange groove and needs to be cleaned, only the wave strips need to be disassembled, and the wave strips are uniformly treated and replaced, so that the heat exchange groove is free of obstruction of the wave strips, the inner wall of the heat exchange groove is smooth, the dirt on the inner wall of the heat exchange groove can be treated by workers in a large area, and the cleaning efficiency of the heat exchange plate is improved.

Drawings

FIG. 1 is a perspective view of the body of the present invention;

FIG. 2 is a perspective view of the heat exchanger plate and the wave strips of the present invention;

FIG. 3 is a schematic perspective view of a heat exchange panel of the present invention;

FIG. 4 is a schematic perspective view of a wave plate of the present invention;

FIG. 5 is a perspective view of a card strip of the present invention;

FIG. 6 is an enlarged view of the area A in FIG. 3 according to the present invention.

In the figure: 1. a body; 2. a first fixing plate; 3. a second fixing plate; 4. a heat exchange plate; 5. fixing the rod; 6. a nut; 7. a heat conducting port; 8. a cooling port; 9. a heat exchange tank; 10. wave strips; 11. clamping the strip; 12. closing the groove; 13. a threaded hole; 14. a jack; 15. and (4) inserting the rod.

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.

Examples

As shown in fig. 1 to 6, a welded plate heat exchanger according to an embodiment of the present invention includes a machine body 1, the machine body 1 includes a first fixing plate 2 and a second fixing plate 3, the heat exchange plates 4 with linear array distribution are connected to corresponding positions of the first fixing plate 2 and the second fixing plate 3 in an abutting manner, two heat conduction ports 7 and two cooling ports 8 corresponding to each other are symmetrically formed on one side of each of the heat exchange plates 4 and the second fixing plate 3, a heat exchange groove 9 is formed in a central position of each of two sides of each of the heat exchange plates 4, two sides of each of the two heat exchange grooves 9 are respectively connected to the two heat conduction ports 7 and the two cooling ports 8 of the heat exchange plate 4 in a penetrating manner, a wave strip 10 with linear array distribution is connected to the inside of the heat exchange groove 9 in an abutting manner, two insertion holes 14 are formed at two ends of the wave strip 10, two clamping bars 11 are disposed inside the heat exchange groove 9, the two clamping bars 11 are respectively located at two ends of the wave strip 10, inserting rods 15 distributed in a linear array are installed on one side of each clamping strip 11, each inserting rod 15 on each clamping strip 11 is respectively connected with an inserting hole 14 at one end of each wave strip 10 in an inserting mode, and a limiting assembly for limiting the clamping strips 11 is arranged on each heat exchange plate 4;

the first fixing plate 2 and the second fixing plate 3 are used for mutually clamping each heat exchange plate 4, the two heat conduction ports 7 are respectively used for leading hot fluid into the heat exchange groove 9 and discharging the hot fluid in the heat exchange groove 9, the two cooling ports 8 are respectively used for leading cold fluid into the heat exchange groove 9 and discharging the cold fluid in the heat exchange groove 9, the heat exchange plates 4 are used for arranging the heat exchange grooves 9 and carrying out heat exchange, the heat exchange grooves 9 are used for installing the wave strip sheets 10 and are used for communicating the two heat conduction ports 7 or the two cooling ports 8 on the heat exchange groove 9, the clamping strips 11 are inserted into the insertion holes 14 on the wave strip sheets 10 by utilizing the insertion rods 15, and each wave strip sheet 10 in the heat exchange groove 9 can be orderly fixed;

wave strip piece 10 is the wave structure, a home range for restricting cold and hot fluid in heat transfer tank 9, increase the contact area of cold and hot fluid and heat transfer tank 9 inner wall and the flow line of extension cold and hot fluid at heat transfer tank 9, thereby improve heat exchange efficiency of heat transfer plate 4, and simultaneously, wave strip piece 10 can be dismantled, can be when the incrustation scale in clearance heat transfer tank 9, take off alone and carry out unified clearance change, and simultaneously, there is not the hindrance of wave strip piece 10 in the heat transfer tank 9, the state of a horse plain is formed to heat transfer tank 9 inner wall, be favorable to staff's incrustation scale in the heat transfer tank 9 to clear up by a large scale, improve 4 cleaning efficiency of heat transfer plate.

Specifically, both ends of the clamping strip 11 are provided with through holes, the heat exchange plate 4 is provided with a threaded hole 13 at a position corresponding to the through holes, the limiting assembly comprises two screws, the two screws are distributed and in threaded connection with the through holes at both ends of the clamping strip 11, and the movable ends of the screws penetrate through the through holes and are in threaded connection with the threaded holes 13 on the heat exchange plate 4;

the through holes are used for connecting screws in a threaded manner, and the screws enable the clamping strips 11 to be fixed on the surface wall of the heat exchange plate 4 through the through holes and the threaded holes 13.

Specifically, a nut groove is formed in a position, corresponding to the through hole, of one side of the clamping strip 11, and the nut groove is matched with a nut on the screw;

the nut groove is used for hiding the nut on the screw, and the nut is prevented from blocking the mutual closing of the two heat exchange plates 4.

It is worth to be noted that a closed groove 12 is formed in a position, corresponding to the threaded hole 13, of the heat exchange plate 4, the threaded hole 13 is formed in the inner wall of the closed groove 12, and the closed groove 12 is connected with one end of the clamping strip 11 in an inserting mode;

the closed groove 12 is used for hiding the clamping strip 11, so that one side of the clamping strip 11, which is far away from the heat exchange plate 4, and the surface wall of the heat exchange plate 4 are on the same horizontal line, thereby preventing the clamping strip 11 from influencing the mutual closing of the two heat exchange plates 4.

Furthermore, six fixing rods 5 are arranged between the first fixing plate 2 and the second fixing plate 3, the six fixing rods 5 are respectively positioned around the heat exchange plate 4, the outer wall of each fixing rod 5 is in abutting connection with the surface wall of the heat exchange plate 4, two ends of each fixing rod 5 respectively penetrate through holes formed in the first fixing plate 2 and the second fixing plate 3 and are in threaded connection with nuts 6, and the two nuts 6 are respectively in abutting connection with the side, away from the first fixing plate 2 and the second fixing plate 3;

the fixing rod 5 is used for limiting the moving range of the heat exchange plates 4, and the fixing rod 5 can enable the first fixing plate 2 and the second fixing plate 3 to extrude the heat exchange plates 4 towards one side opposite to each other through the nuts 6, so that gaps between the heat exchange plates 4 are avoided, and fluid leakage is avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a welding plate heat exchanger, includes organism (1), its characterized in that: the machine body (1) comprises a first fixing plate (2) and a second fixing plate (3), the corresponding positions of the first fixing plate (2) and the second fixing plate (3) are connected with a heat exchange plate (4) distributed in a linear array in a butting mode, two heat conduction ports (7) and two cooling ports (8) which are mutually corresponding are symmetrically formed in one side of the heat exchange plate (4) and one side of the second fixing plate (3), heat exchange grooves (9) are formed in the central positions of the two sides of the heat exchange plate (4), the two sides of the two heat exchange grooves (9) are respectively communicated with the two heat conduction ports (7) and the two cooling ports (8) of the heat exchange plate (4), wave strip sheets (10) distributed in a linear array in a butting mode are connected in the heat exchange grooves (9), jacks (14) are formed in the two ends of the wave strip sheets (10), two clamping strips (11) are arranged in the heat exchange grooves (9), two card strip (11) are located the both ends of wave strip piece (10) respectively, inserted bar (15) that linear array distributes are installed to one side of card strip (11), every inserted bar (15) on card strip (11) respectively with jack (14) the plug-in connection of every wave strip piece (10) one end, be provided with the spacing subassembly of injecing card strip (11) on heat exchange plate (4).

2. A welded plate heat exchanger according to claim 1, wherein: the heat exchange plate is characterized in that both ends of the clamping strips (11) are provided with through holes, the corresponding positions of the heat exchange plate (4) which are relatively perforated are provided with threaded holes (13), the limiting assembly comprises two screws, the two screws are distributed and connected with the through holes at both ends of the clamping strips (11) in a threaded mode, and the movable ends of the screws penetrate through the through holes and are connected with the threaded holes (13) in the heat exchange plate (4) in a threaded mode.

3. A welded plate heat exchanger according to claim 2, wherein: the corresponding position of one side of the clamping strip (11) relative to the through hole is provided with a nut groove, and the nut groove is matched with a nut on the screw.

4. A welded plate heat exchanger according to claim 2, wherein: the heat exchange plate (4) is provided with a closed groove (12) at a position corresponding to the threaded hole (13), the threaded hole (13) is formed in the inner wall of the closed groove (12), and the closed groove (12) is connected with one end of the clamping strip (11) in an inserting mode.

5. A welded plate heat exchanger according to claim 1, wherein: be provided with six dead levers (5), six between first fixed plate (2) and second fixed plate (3) dead lever (5) are located heat transfer board (4) respectively all around, and dead lever (5) outer wall is contradicted with heat transfer board (4) table wall and is connected, the through-hole of seting up on first fixed plate (2) and second fixed plate (3) is passed respectively at the both ends of dead lever (5) to equal threaded connection has nut (6), two nut (6) are contradicted with one side that first fixed plate (2) and second fixed plate (3) deviate from respectively and are connected.