CN220507775U

CN220507775U - Heat exchanger with filtering function

Info

Publication number: CN220507775U
Application number: CN202321811432.1U
Authority: CN
Inventors: 陈光新; 周巍; 廖伟; 石文磊; 叶正青; 范志刚
Original assignee: Daye Haitong Thermal Technology Co ltd
Current assignee: Daye Haitong Thermal Technology Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-02-20
Anticipated expiration: 2033-07-11

Abstract

The application relates to the field of heat exchangers, especially, relate to a heat exchanger with filtering capability, it includes casing and inlet pipe, the downside of casing is fixed and the intercommunication has filter tube, and the one end detachable connection that the casing was kept away from to filter tube has the lid, is provided with the filter that has the function of filtering solid particles in the filter tube, is provided with the coupling assembling that is used for interconnect between filter and the lid, is provided with the sealing member between the week side of filter and the filter tube, and the inlet pipe is fixed and the intercommunication with filter tube in department between filter and lid. The application utilizes the filter to filter solid particles in the hot fluid, and is convenient for clear up and change the filter, has the effect that prevents a large amount of solid particles and get into the casing.

Description

Heat exchanger with filtering function

Technical Field

The present application relates to the field of heat exchangers, and in particular, to a heat exchanger with filtering capability.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called a heat exchanger, and is divided into a plate type heat exchanger and a shell-and-tube type heat exchanger, wherein the U-shaped tube type heat exchanger is a dividing wall type heat exchanger taking the wall surface of a U-shaped tube enclosed in a shell as a heat transfer surface.

The U-shaped tube heat exchanger generally comprises a tube box and a shell, wherein a heat exchange tube is positioned in the shell and is communicated with the tube box, cold fluid inlets and outlets are respectively formed in the upper side and the lower side of the tube box, and the cold fluid enters the tube box, enters the heat exchange tube and then flows out of the tube box; the upper and lower sides of the shell are respectively provided with a hot fluid discharging pipe and a feeding pipe, and hot fluid enters the shell from the feeding pipe at the lower side of the shell and leaves the shell from the discharging pipe at the upper side of the shell after heat exchange with the heat exchange pipe.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: solid particles are easy to dope in the hot fluid, a large amount of solid particles directly enter the shell through the feeding pipe, so that the solid particles are easy to accumulate on the outer wall of the heat exchange pipe, and the cleaning frequency of the heat exchange pipe is increased.

Disclosure of Invention

In order to improve the problem of a large amount of solid particles in the hot fluid entering the shell, the application provides a heat exchanger with a filtering function.

The application provides a heat exchanger with filtering capability adopts following technical scheme:

the utility model provides a heat exchanger with filtering capability, includes casing and inlet pipe, the downside of casing is fixed and the intercommunication has filter tube, filter tube keeps away from the one end detachable of casing is connected with the lid, be provided with the filter that has the function of filtering solid particle in the filter tube, the filter with be provided with the coupling assembling who is used for interconnect between the lid, the week side of filter with be provided with the sealing member between the filter tube, the inlet pipe in the filter with department between the lid with filter tube is fixed and the intercommunication.

Through adopting above-mentioned technical scheme, utilize coupling assembling to connect fixedly filter and lid, then fix lid and filtration pipeline, utilize sealing member increase annular piece and filtration pipeline between the leakproofness, hot fluid gets into the filtration pipeline by the inlet pipe, gets into the casing after the filter screen filters, thereby reduce the solid particle that gets into the casing, realize preventing the effect that a large amount of solid particles get into the casing, do benefit to reducing the solid particle on the heat exchange tube and pile up, thereby reduce the clearance frequency to the heat exchange tube, do benefit to improvement work efficiency; when more solid particles are accumulated at the filter screen, the filter plate can be taken out by opening the cover body, so that the filter plate can be cleaned conveniently, the filter pipeline can be washed conveniently, and the filter effect of the filter plate can be guaranteed.

Optionally, the coupling assembling includes connecting rod and end block, the end block with the coaxial rotation of connecting rod is connected, the connecting rod with the lid rotates to be connected, the connecting rod is located the outside one end fixedly connected with handle of lid, the filter pass through fixed subassembly with the end block is detachable to be connected.

By adopting the technical scheme, the filter plate is connected with the cover body by the connecting rod and the end block, and the filter plate is convenient to assemble and disassemble by the fixing component, so that the worn filter plate is convenient to replace; because the end block is rotationally connected with the connecting rod, the connecting rod is rotationally connected with the cover body, and the handle is used for driving the connecting rod to rotate, the connecting rod can rotate between the end block and the cover body.

Optionally, the connecting rod fixedly connected with a plurality of scrapers, the scraper blade through a plurality of bracing pieces with the connecting rod is fixed, the scraper blade with filter tube's inside wall butt.

Through adopting above-mentioned technical scheme, the connecting rod drives the scraper blade and rotates, utilizes the scraper blade to be convenient for scrape down the solid particle on the filter tube inner wall, does benefit to the number of times that the opening lid cleared up the filter tube, does benefit to improvement work efficiency.

Optionally, the fixed subassembly includes locating piece and first bolt, the locating piece with the coaxial fixed connection of center department of filter, the constant head tank has been seted up to the end block, the locating piece with the constant head tank grafting adaptation, the fixed slot has been seted up to the locating piece, the opening direction of fixed slot with the length direction mutually perpendicular of connecting rod, first bolt screw thread wear to locate the end block and peg graft in the fixed slot.

By adopting the technical scheme, the positioning block is inserted into the positioning groove, then the first bolt is screwed in to enable the positioning block to be in threaded connection with the end block and inserted into the fixing groove, and the first bolt is utilized to enable the positioning block to be fixed with the end block, so that the filter plate is fixed with the end block; the filter plate can be replaced by taking down the first bolts, so that the damaged filter plate can be replaced conveniently.

Optionally, the connecting rod is in being close to filter department is provided with the cleaning brush, the cleaning brush comprises brush body and many brush hair, the brush body with the connecting rod detachable connection, many brush hair with brush body fixed connection just with the filter butt.

Through adopting above-mentioned technical scheme, the connecting rod drives the cleaning brush and rotates for the brush hair brushes the filter, does benefit to the solid particle on the clearance filter, improves the filter effect of filter, does benefit to the number of times that the opening lid cleared up the filter, does benefit to improvement work efficiency.

Optionally, connecting rod fixedly connected with installation piece, the installation piece orientation one side of filter begins to have the mounting groove, the mounting groove is kept away from the one end of connecting rod is the opening setting, the brush body with the mounting groove grafting adaptation, the brush body through the second bolt with installation piece fixed connection.

Through adopting above-mentioned technical scheme, when installing the brush body, slide the brush body into the mounting groove, then utilize the second bolt to fix the brush body with the installation piece, take off the second bolt and can take off the brush body, be convenient for change the cleaning brush of wearing and tearing, guarantee the cleaning brush to the cleaning effect of filter.

Optionally, the sealing member sets up to the butt ring, the butt ring orientation one side fixedly connected with first sealing ring of filter, the filter comprises filter screen and annular piece, filter screen fixedly connected with the inner periphery side of annular piece, the annular piece with the coaxial setting of butt ring and with first sealing ring butt.

Through adopting above-mentioned technical scheme, when lid and filter tube are fixed, annular piece and first sealing ring butt utilize the leakproofness between annular piece and the filter tube of first sealing ring increase, do benefit to the filter screen and filter hot fluid more steadily.

Optionally, the connecting rod in the equal fixedly connected with spacing ring of both sides of lid, two spacing rings all with the lid butt, the spacing ring is close to one side of lid inlays and establishes and fixedly connected with sealing layer, the sealing layer with the lid butt.

Through adopting above-mentioned technical scheme, utilize two spacing rings to do benefit to the connecting rod and rotate on the lid steadily, the sealing layer does benefit to the sealed effect between increase connecting rod and the lid.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the hot fluid enters the filtering pipeline from the feeding pipe, and enters the shell after being filtered by the filter screen, so that the effect of preventing a large amount of solid particles from entering the shell is realized by utilizing the filter screen to filter the solid particles in the hot fluid, and the accumulation of the solid particles on the heat exchange pipe is reduced, thereby reducing the cleaning frequency of the heat exchange pipe and improving the working efficiency;

2. the handle is used for driving the connecting rod to rotate, the connecting rod drives the two scraping plates and the cleaning brush to rotate, so that solid particles on the filter screen and the filter pipeline can be cleaned, the filtering effect of the filter screen can be improved, the frequency of opening the cover body to clean the filter screen and the filter pipeline can be reduced, and the working efficiency can be improved;

3. when more solid particles are accumulated in the filter pipeline, the cover body is screwed to separate the filter pipeline from the filter pipeline, the filter plate brings out the solid particles in the process of pumping out the filter pipeline, and the filter plate is taken out to be convenient for cleaning the filter plate, and the cover body is opened to be convenient for flushing the filter pipeline.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is an enlarged view at a in fig. 1.

Reference numerals: 1. a housing; 2. a feed pipe; 3. a filter tube; 4. a cover body; 5. a filter plate; 6. an abutment ring; 7. a first seal ring; 8. a filter screen; 9. an annular block; 10. a second seal ring; 11. a connecting rod; 12. an end block; 13. a bearing; 14. a limiting ring; 15. a sealing layer; 16. cleaning brushes; 17. a brush body; 18. brushing; 19. a scraper; 20. a support rod; 21. a handle; 22. a positioning block; 23. a first bolt; 24. a positioning groove; 25. a fixing groove; 26. a mounting block; 27. a mounting groove; 28. and a second bolt.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-2.

The embodiment of the application discloses a heat exchanger with a filtering function.

Referring to fig. 1, the heat exchanger with filtering function comprises a shell 1 and a feeding pipe 2, wherein the lower side of the shell 1 is fixedly and communicated with a filtering pipeline 3, one end of the filtering pipeline 3 far away from the shell 1 is detachably connected with a cover body 4, a filtering plate 5 with a solid particle filtering function is arranged in the filtering pipeline 3, a connecting component used for being connected with each other is arranged between the filtering plate 5 and the cover body 4, and the feeding pipe 2 is fixedly and communicated with the filtering pipeline 3 at the position between the filtering plate 5 and the cover body 4.

Referring to fig. 2, a seal is provided between the peripheral side of the filter plate 5 and the filter pipe 3, the seal is provided as an abutment ring 6, one side of the abutment ring 6 facing the filter plate 5 is fixedly connected with a first sealing ring 7, the filter plate 5 is composed of a filter screen 8 and an annular block 9, the filter screen 8 is fixedly connected to the inner peripheral side of the annular block 9, the annular block 9 is coaxially arranged with the abutment ring 6 and is abutted with the first sealing ring 7, and the outer peripheral side of the annular block 9 is abutted with the inner wall of the filter pipe 3.

Referring to fig. 1, an internal thread is provided on an inner peripheral side of the cover body 4, an external thread adapted to the thread of the cover body 4 is provided on an outer peripheral side of one end of the filter pipe 3 away from the housing 1, a second sealing ring 10 is fixedly connected to an end portion of one end of the filter pipe 3 away from the housing 1, the cover body 4 is in threaded connection with the filter pipe 3, and the second sealing ring 10 is in contact with an inner bottom wall of the cover body 4.

The filter plate 5 is fixedly connected with the cover body 4 by utilizing the connecting component, the cover body 4 is in threaded connection with the filter pipeline 3, the annular block 9 is abutted with the first sealing ring 7, the inner bottom wall of the cover body 4 is abutted with the second sealing ring 10, the sealing performance between the annular block 9 and the filter pipeline 3 is increased by utilizing the first sealing ring 7, and the sealing performance between the cover body 4 and the filter pipeline 3 is increased by utilizing the second sealing ring 10.

The hot fluid enters the filtering pipeline 3 from the feeding pipe 2, enters the shell 1 after being filtered by the filter screen 8, and solid particles in the hot fluid are filtered by the filter screen 8, so that the solid particles entering the shell 1 are reduced, the effect of preventing a large amount of solid particles from entering the shell 1 is realized, the accumulation of the solid particles on the heat exchange pipe is reduced, the cleaning frequency of the heat exchange pipe is reduced, and the work efficiency is improved.

When more solid particles are accumulated at the filter screen 8, the cover body 4 is screwed to separate the filter screen 5 from the filter pipeline 3, the filter screen 5 is pulled away from the filter pipeline 3 through the connecting component, the annular block 9 is abutted with the inner wall of the filter pipeline 3, solid particles attached to the inner wall of the filter pipeline 3 are scraped in the process of pulling away the filter pipeline 3, the filter screen 5 is taken out to facilitate cleaning of the filter screen 5, the filtering effect of the filter screen 8 is guaranteed, and the cover body 4 is opened to facilitate flushing of the filter pipeline 3.

Referring to fig. 1 and 2, in order to facilitate connection of the filter plate 5 and the cover 4, the connection assembly includes a connection rod 11 and an end block 12, the end block 12 is coaxially rotatably connected with the connection rod 11 through a bearing 13, the filter plate 5 is detachably connected with the end block 12 through a fixing assembly, and the connection rod 11 is rotatably connected with the cover 4. The connecting rod 11 is fixedly connected with limiting rings 14 on two sides of the cover body 4, the two limiting rings 14 are in butt joint with the cover body 4, a sealing layer 15 is embedded and fixedly connected with one side, close to the cover body 4, of the limiting rings 14, and the sealing layer 15 is in butt joint with the cover body 4.

Referring to fig. 1 and 2, the connecting rod 11 is provided with a cleaning brush 16 near the filter plate 5, the cleaning brush 16 is composed of a brush body 17 and a plurality of bristles 18, the brush body 17 is detachably connected with the connecting rod 11, and the plurality of bristles 18 are fixedly connected with the brush body 17 and are abutted with the filter plate 5. The connecting rod 11 fixedly connected with two scrapers 19, the vertical symmetry plane symmetry setting of two scrapers 19 relative to connecting rod 11, scraper 19 is fixed with connecting rod 11 through a plurality of bracing pieces 20, and scraper 19 and the inside wall butt of filtration pipeline 3, the inlet pipe 2 is close to the one end downward sloping setting of lid 4, and connecting rod 11 is located the outside one end fixedly connected with handle 21 of lid 4.

The filter plate 5 is connected with the cover body 4 by the connecting rod 11 and the end block 12, when the cover body 4 is screwed on the filter pipeline 3, the annular block 9 is abutted against the first sealing ring 7, and the friction force between the annular block 9 and the filter plate 5 is increased by the aid of the first sealing ring 7, so that the filter plate 5 is fixed relative to the filter pipeline 3.

Because the end block 12 is rotationally connected with the connecting rod 11, the connecting rod 11 is rotationally connected with the cover body 4, the connecting rod 11 is driven to rotate by the handle 21, the connecting rod 11 can rotate between the end block 12 and the cover body 4, the connecting rod 11 can stably rotate on the cover body 4 by utilizing the two limiting rings 14, the sealing layer 15 is beneficial to increasing the sealing effect between the connecting rod 11 and the cover body 4, and the connecting rod 11 can be easily rotated by utilizing the bearing 13.

The connecting rod 11 drives two scraping plates 19 and a cleaning brush 16 to rotate, so that the brush hair 18 brushes the filter plate 5, solid particles on the filter screen 8 are cleaned, the filtering effect of the filter screen 8 is improved, the scraping plates 19 are utilized to scrape the solid particles on the inner wall of the filter pipeline 3, the times of cleaning the filter screen 8 and the filter pipeline 3 by the cover body 4 are reduced, and the working efficiency is improved.

Referring to fig. 2, in order to facilitate the assembly and disassembly of the filter plate 5, the fixing assembly comprises a rectangular positioning block 22 and a first bolt 23, the positioning block 22 is coaxially and fixedly connected with the center of the filter screen 8, the end block 12 is provided with a positioning groove 24, the positioning block 22 is in plug-in fit with the positioning groove 24, the positioning block 22 is provided with a fixing groove 25, the opening direction of the fixing groove 25 is mutually perpendicular to the length direction of the connecting rod 11, and the first bolt 23 is threaded through the end block 12 and is in plug-in fit with the fixing groove 25.

The positioning block 22 is inserted into the positioning groove 24, then the first bolt 23 is screwed into the positioning groove to be in threaded connection with the end block 12 and inserted into the fixing groove 25, and the positioning block 22 and the end block 12 are fixed by the first bolt 23, so that the filter plate 5 and the end block 12 are fixed; the filter plate 5 can be replaced by removing the first bolts 23, so that the damaged filter plate 5 can be replaced conveniently.

Referring to fig. 2, in order to facilitate the assembly and disassembly of the brush body 17, the connecting rod 11 is fixedly connected with the mounting block 26, one side of the mounting block 26 facing the filter plate 5 is provided with the mounting groove 27, the opening for mounting the brush is gradually reduced along the direction facing the filter plate 5, one end of the mounting groove 27 away from the connecting rod 11 is provided with the opening, the brush body 17 is in plug-in fit with the mounting groove 27, the brush body 17 is fixedly connected with the mounting block 26 through the second bolt 28, and the second bolt 28 penetrates through the mounting block 26 and is in threaded connection with the brush body 17.

When the brush body 17 is installed, the brush body 17 is slid into the installation groove 27 at the opening of the installation groove 27 at the end far away from the connecting rod 11, the opening of the installation groove 27 is reduced towards the filter plate 5, the brush body 17 is prevented from being separated from the installation groove 27, and then the threaded end of the second bolt 28 penetrates through the installation block 26 and is screwed into the brush body 17, namely, the brush body 17 is fixed with the installation block 26; the brush body 17 can be removed by removing the second bolts 28, so that the worn cleaning brush 16 can be replaced conveniently, and the cleaning effect of the cleaning brush 16 on the filter plate 5 is ensured.

The implementation principle of the heat exchanger with the filtering function in the embodiment of the application is as follows:

the cover body 4 is in threaded connection with the filtering pipeline 3, the annular block 9 is abutted with the first sealing ring 7, the inner bottom wall of the cover body 4 is abutted with the second sealing ring 10, hot fluid enters the filtering pipeline 3 from the feeding pipe 2, enters the shell 1 after being filtered by the filter screen 8, and solid particles in the hot fluid are filtered by the filter screen 8, so that the solid particles entering the shell 1 are reduced, and the effect of preventing a large number of solid particles from entering the shell 1 is achieved.

The handle 21 is used for driving the connecting rod 11 to rotate, so that the connecting rod 11 can rotate between the end block 12 and the cover body 4, the connecting rod 11 drives the two scraping plates 19 and the cleaning brush 16 to rotate, solid particles on the filter screen 8 and the filter pipeline 3 are cleaned, and the filtering effect of the filter screen 8 is improved.

When more solid particles accumulate in the filter pipeline 3, the cover body 4 is screwed to separate the filter pipeline 3, the filter plate 5 is pulled out of the filter pipeline 3 by the connecting rod 11 and the end block 12, the filter plate 5 is pulled out of the filter pipeline 3 in the process of pulling out the solid particles, and the filter plate 5 is taken out to be convenient for cleaning the filter plate 5, and the cover body 4 is opened to be convenient for flushing the filter pipeline 3.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A heat exchanger with filtering capability, characterized in that: including casing (1) and inlet pipe (2), the downside of casing (1) is fixed and the intercommunication has filter pipeline (3), filter pipeline (3) are kept away from the one end releasable connection of casing (1) has lid (4), be provided with filter (5) that have the function of filtering solid particles in filter pipeline (3), filter (5) with be provided with the coupling assembling who is used for interconnect between lid (4), the week side of filter (5) with be provided with the sealing member between filter pipeline (3), inlet pipe (2) in filter (5) with locate with between lid (4) filter pipeline (3) are fixed and the intercommunication.

2. The heat exchanger with filtering function according to claim 1, wherein: the connecting assembly comprises a connecting rod (11) and an end block (12), the end block (12) is connected with the connecting rod (11) in a coaxial rotating mode, the connecting rod (11) is connected with the cover body (4) in a rotating mode, the connecting rod (11) is located at one end, outside the cover body (4), of the connecting rod, a handle (21) is fixedly connected with one end, outside the cover body, of the connecting rod, and the filter plate (5) is detachably connected with the end block (12) through the fixing assembly.

3. The heat exchanger with filtering function according to claim 2, wherein: the connecting rod (11) is fixedly connected with a plurality of scrapers (19), the scrapers (19) are fixed with the connecting rod (11) through a plurality of supporting rods (20), and the scrapers (19) are abutted with the inner side wall of the filtering pipeline (3).

4. The heat exchanger with filtering function according to claim 2, wherein: the fixing assembly comprises a positioning block (22) and a first bolt (23), the positioning block (22) is coaxially and fixedly connected with the center of the filter plate (5), a positioning groove (24) is formed in the end block (12), the positioning block (22) is in plug-in fit with the positioning groove (24), a fixing groove (25) is formed in the positioning block (22), the opening direction of the fixing groove (25) is perpendicular to the length direction of the connecting rod (11), and the first bolt (23) is threaded through the end block (12) and is plugged into the fixing groove (25).

5. The heat exchanger with filtering function according to claim 2, wherein: the connecting rod (11) is provided with a cleaning brush (16) near the filter plate (5), the cleaning brush (16) is composed of a brush body (17) and a plurality of bristles (18), the brush body (17) is detachably connected with the connecting rod (11), and the bristles (18) are fixedly connected with the brush body (17) and are abutted to the filter plate (5).

6. The heat exchanger with filtering function according to claim 5, wherein: connecting rod (11) fixedly connected with installation piece (26), installation piece (26) orientation one side of filter (5) begins to have mounting groove (27), mounting groove (27) keep away from the one end of connecting rod (11) is the opening setting, brush body (17) with mounting groove (27) grafting adaptation, brush body (17) through second bolt (28) with installation piece (26) fixed connection.

7. The heat exchanger with filtering function according to claim 1, wherein: the sealing member sets up into butt ring (6), butt ring (6) orientation one side fixedly connected with first sealing ring (7) of filter (5), filter (5) are constituteed by filter screen (8) and annular piece (9), filter screen (8) fixedly connected with the inner periphery side of annular piece (9), annular piece (9) with butt ring (6) coaxial setting and with first sealing ring (7) butt.

8. The heat exchanger with filtering function according to claim 2, wherein: the connecting rod (11) in the equal fixedly connected with spacing ring (14) of both sides of lid (4), two spacing ring (14) all with lid (4) butt, spacing ring (14) are close to one side of lid (4) inlays and establishes and fixedly connected with sealing layer (15), sealing layer (15) with lid (4) butt.