CN215984120U

CN215984120U - Novel vertical tube type heat exchanger

Info

Publication number: CN215984120U
Application number: CN202122505271.0U
Authority: CN
Inventors: 邱剑锷
Original assignee: Zhejiang Kesai New Material Technology Co ltd
Current assignee: Zhejiang Kesai New Material Technology Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-03-08
Anticipated expiration: 2031-10-15

Abstract

The application discloses a novel vertical tube type heat exchanger, which comprises a hollow cylinder body with openings at the upper end and the lower end, wherein the upper end of the cylinder body is fixedly provided with an upper end socket, and the lower end of the cylinder body is fixedly provided with a lower end socket; tube plates for plugging the openings of the cylinder body are arranged at the two ends of the cylinder body; a plurality of heat exchange tubes for communicating the inner cavity of the upper end enclosure and the inner cavity of the lower end enclosure are connected between the two tube plates; a partition plate used for abutting against the tube plate is fixedly arranged on the inner side wall of the upper end enclosure; the partition plate divides the inner cavity of the upper end enclosure into two cavities, and each cavity is communicated with the tube plate; one of the cavities is a liquid inlet cavity, and the other cavity is a liquid outlet cavity; the upper end enclosure is fixedly connected with a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe is communicated with the liquid inlet cavity, and the liquid outlet pipe is communicated with the liquid outlet cavity; the number of the heat exchange tubes communicated with the liquid inlet cavity and the liquid outlet cavity is at least one. This application can prolong the time of coolant liquid in the stack shell to improve heat exchange efficiency of heat exchanger.

Description

Novel vertical tube type heat exchanger

Technical Field

The application relates to the field of heat exchangers, in particular to a novel vertical tube type heat exchanger.

Background

Heat exchangers are devices used for exchanging heat between two or more fluids. The heat exchanger can be divided into a plate heat exchanger, a tube heat exchanger and the like according to the structure of the heat exchanger; according to the form of the heat exchanger, the heat exchanger can be divided into a horizontal heat exchanger and a vertical heat exchanger.

A vertical tube type heat exchanger, refer to fig. 1, it includes the cylinder 1; the upper end of the cylinder body 1 is fixedly connected with an upper end enclosure 11 through a flange, and the lower end of the cylinder body 1 is fixedly connected with a lower end enclosure 12 through a flange; the upper end enclosure 11 is fixedly welded with a water inlet pipe 111, and the lower end enclosure 12 is fixedly welded with a water outlet pipe 121; a plurality of heat exchange tubes 2 are arranged in the cylinder body 1; tube plates 13 are fixed at both ends of the cylinder body 1, and each end of the heat exchange tube array 2 penetrates through the corresponding tube plate 13 and is fixedly connected with the tube plate 13; a feeding pipe 14 is fixedly welded at the lower end of the cylinder body 1, and a discharging pipe 15 is fixedly welded at the upper end of the cylinder body 1. When in use, the cooling liquid is introduced from the water inlet pipe 111 and can flow downwards from the heat exchange tube nest 2 to the water outlet pipe 121; meanwhile, the fluid material to be cooled is introduced from the feeding pipe 14, and the material can be discharged from the discharging pipe 15; in the flowing process of the materials and the cooling liquid, the materials in the barrel body 1 can enter the heat exchange tube nest 2 and the cooling liquid in the heat exchange tube nest 2 to exchange heat, so that the effect of reducing the temperature of the materials is achieved.

In view of the above-mentioned related art, the inventor thinks that, the coolant liquid flows in from the upper end of heat exchange tube nest 2 and flows out from the lower extreme of tube nest heat exchange, and the time of heat exchange between coolant liquid and the material is shorter, leads to heat exchange efficiency lower, so await improvement.

SUMMERY OF THE UTILITY MODEL

In order to improve the lower problem of heat exchange efficiency of heat exchanger, this application provides a novel vertical shell and tube heat exchanger.

The application provides a novel vertical shell and tube heat exchanger adopts following technical scheme:

a novel vertical tube type heat exchanger comprises a hollow cylinder body with openings at the upper end and the lower end, wherein the upper end of the cylinder body is fixedly provided with an upper end socket, and the lower end of the cylinder body is fixedly provided with a lower end socket; tube plates for plugging the openings of the cylinder body are arranged at the two ends of the cylinder body; a plurality of heat exchange tubes for communicating the inner cavity of the upper end enclosure and the inner cavity of the lower end enclosure are connected between the two tube plates; the outer peripheral wall of the lower end of the barrel body is fixedly connected with a feeding pipe, and the outer peripheral wall of the upper end of the barrel body is fixedly connected with a discharging pipe; a partition plate used for abutting against the tube plate is fixedly arranged on the inner side wall of the upper end enclosure; the partition plate divides the inner cavity of the upper end socket into two cavities, and each cavity is communicated with the tube plate; one of the cavities is a liquid inlet cavity, and the other cavity is a liquid outlet cavity; the upper end enclosure is fixedly connected with a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe is communicated with the liquid inlet cavity, and the liquid outlet pipe is communicated with the liquid outlet cavity; the number of the heat exchange tubes communicated with the liquid inlet cavity and the liquid outlet cavity is at least one.

By adopting the technical scheme, the upper end enclosure, the tube plate and the partition plate form a liquid inlet cavity and a liquid outlet cavity together; after the cooling liquid enters the liquid inlet cavity from the liquid inlet pipe, the cooling liquid enters the inner cavity of the lower end enclosure from the corresponding heat exchange tube nest; meanwhile, cooling liquid in the inner cavity of the lower end socket enters the liquid outlet cavity through a heat exchange tube nest communicated with the liquid outlet cavity and is discharged through the liquid outlet pipe; all heat exchange tubes are distributed into two groups by taking the partition plates as boundaries, and cooling liquid flows through the heat exchange tubes in sequence, so that the flowing time of the cooling liquid in the cylinder body is prolonged, the contact time between materials in the cylinder body and the cooling liquid can be prolonged, and the heat exchange efficiency of the heat exchanger is improved.

Optionally, the lower end enclosure is fixedly provided with a liquid discharge pipe communicated with all the heat exchange tubes, and the liquid discharge pipe is provided with a sealing cover for sealing the liquid discharge pipe.

Through adopting above-mentioned technical scheme, when the filth in the coolant liquid or the clearance low head need be changed, open the closing cap, the coolant liquid that is arranged in the inner chamber of heat transfer tubulation and upper cover, the inner chamber of low head can be discharged by the fluid-discharge tube to need not to dismantle the low head, it is more convenient laborsaving to operate.

Optionally, the sealing cover is provided with an installation ring groove along the circumferential direction of the liquid discharge pipe, and a sealing ring abutted against the end wall of the liquid discharge pipe is embedded in the installation ring groove.

Through adopting above-mentioned technical scheme, sealed ring can improve the leakproofness of closing cap shutoff fluid-discharge tube, reduces the coolant liquid and takes place the possibility of leaking.

Optionally, the inner bottom wall of the lower seal head is recessed downward, and the pipe orifice of one end of the liquid discharge pipe close to the lower seal head is located at the lowest end of the inner bottom wall of the lower seal head.

Through adopting above-mentioned technical scheme, the mouth of pipe of the upper end of fluid-discharge tube is located the lower extreme of the diapire of low head to be convenient for arrange liquid or the filth in the inner chamber of low head completely.

Optionally, the inside wall fixedly connected with of the position that the stack shell is close to the inlet pipe is just right with the inlet pipe striker plate, be provided with the clearance that is used for supplying the material to pass through between the lateral wall of striker plate orientation feed pipe direction and the inside wall of stack shell.

Through adopting above-mentioned technical scheme, the striker plate has certain effect of blockking to the material of being inputed to the stack shell by the inlet pipe to reduce the impact of material to the heat transfer tubulation, can reduce the velocity of flow of material simultaneously, be favorable to improving the stability of the flow of material, thereby be favorable to improving the sufficiency of material and heat transfer tubulation contact, with the heat exchange efficiency who improves material and coolant liquid.

Optionally, a connecting rod is connected between the striker plate and the cylinder body; a gap is arranged between each side of the material baffle and the cylinder body.

Through adopting above-mentioned technical scheme, the striker plate passes through the connecting rod and links to each other with the stack shell to form the clearance between each side of striker plate and the inner wall of stack shell, thereby be favorable to the material to flow to each direction, with the impact that reduces the material to the inner wall of stack shell, can improve the sufficiency of material and heat transfer tubulation contact simultaneously, thereby be favorable to further improving heat exchange efficiency.

Optionally, the striker plate is an arc plate coaxially arranged with the barrel body.

By adopting the technical scheme, the material baffle and the cylinder body are coaxially arranged, so that the same distance is kept between each part of the material baffle and the inner wall of the cylinder body, the consistency of the flow velocity of the material flowing to each direction is improved, and the flowing stability of the material is further improved; meanwhile, the space occupied by the baffle plate in the cylinder body can be reduced, so that the heat exchange tubes are conveniently arranged.

Optionally, the feed pipe is trumpet-shaped; the periphery wall that is located the inlet pipe position of stack shell runs through and is provided with the feed port, the inside wall fixed connection of the main aspects of inlet pipe and feed port, the tip of inlet pipe is located the outside of stack shell.

Through adopting above-mentioned technical scheme, the area of the cross section of inlet pipe is crescent to the stack shell direction along the axial of inlet pipe to reduce the velocity of flow of material, thereby be favorable to improving the sufficiency of the contact between material and the heat transfer shell and tube, in order to improve heat exchange efficiency.

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

1. the inner cavity of the upper end enclosure is divided into two cavities by the partition plate so as to distribute all the heat exchange tubes into two groups; the cooling liquid flows through each group of heat exchange tubes in sequence to prolong the time of the cooling liquid in the cylinder body and prolong the contact time between the material in the cylinder body and the cooling liquid, thereby being beneficial to improving the heat exchange efficiency of the heat exchanger;

2. the striker plate cooperates with the inlet pipe that leaks hopper-shaped, can reduce the speed of the flow of material in the stack shell to improve the stability that the material flows, thereby be favorable to improving the heat exchange efficiency of heat exchanger.

Drawings

Fig. 1 is a schematic sectional view for showing the structure of a vertical tube type heat exchanger in the related art.

Fig. 2 is a schematic overall structure diagram of a novel vertical tube type heat exchanger according to an embodiment of the present application.

Fig. 3 is a schematic sectional view taken along line a-a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Description of reference numerals:

1. a barrel body; 11. an upper end enclosure; 111. a water inlet pipe; 112. a partition plate; 1121. a liquid inlet cavity; 1122. a liquid outlet cavity; 113. a liquid inlet pipe; 114. a liquid outlet pipe; 12. a lower end enclosure; 121. a water outlet pipe; 122. a liquid discharge pipe; 1221. sealing the cover; 12211. mounting a ring groove; 12222. sealing the ring; 13. a tube sheet; 14. a feed pipe; 15. a discharge pipe; 16. a feed port; 17. a striker plate; 171. a connecting rod; 2. and (4) heat exchange tubes.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses novel vertical shell and tube heat exchanger. Referring to fig. 2 and 3, the novel vertical tube type heat exchanger comprises a tube body 1, wherein the axial direction of the tube body 1 is arranged along the vertical direction. The barrel body 1 is hollow and has an upper end and a lower end both open. The upper end of the cylinder body 1 is fixedly connected with an upper end enclosure 11 through a flange, and the lower end of the cylinder body 1 is fixedly connected with a lower end enclosure 12 through a flange; the upper seal head 11 and the lower seal head 12 are both in the shape of a hollow shell. Tube plates 13 are arranged at two ends of the cylinder body 1, wherein one tube plate 13 is clamped between a flange of the upper end socket 11 and a flange at the upper end of the cylinder body 1 so as to seal an opening at the upper end of the cylinder body 1; the other tube plate 13 is clamped between the flange of the lower head 12 and the flange at the lower end of the cylinder body 1 to seal the opening at the lower end of the cylinder body 1.

Referring to fig. 2 and 3, a plurality of heat exchange tubes 2 are arranged in the barrel 1, and the length directions of all the heat exchange tubes 2 are arranged along the vertical direction. Each end of the heat exchange tube array 2 penetrates through the corresponding tube plate 13 and is welded and fixed with the tube plate 13, so that the inner cavity of the upper end enclosure 11 is communicated with the inner cavity of the lower end enclosure 12. The inner side wall of the upper head 11 is fixedly welded with a partition plate 112, and the partition plate 112 is abutted against the side wall of the tube plate 13 located at the corresponding position so as to divide the inner cavity of the upper head 11 into two cavities. One of the cavities is a liquid inlet cavity 1121, and the other cavity is a liquid outlet cavity 1122.

Referring to fig. 3, all the heat exchange tubes 2 are divided into two groups by the partition plate 112, and the number of the heat exchange tubes 2 in each group is at least one. One group of heat exchange tubes 2 is communicated with the liquid inlet cavity 1121, the other group of heat exchange tubes 2 is communicated with the liquid outlet cavity 1122, and a liquid inlet tube 113 and a liquid outlet tube 114 are fixedly welded on the outer side wall of the upper end enclosure 11; the inlet pipe 113 is connected to the inlet chamber 1121, and the outlet pipe 114 is connected to the outlet chamber 1122. When in use, the liquid inlet pipe 113 inputs cooling liquid, and the cooling liquid can flow downwards to the inner cavity of the lower end enclosure 12 through the heat exchange tube nest 2 communicated with the liquid inlet cavity 1121; the cooling liquid flowing to the inner cavity of the lower end enclosure 12 flows to the liquid outlet cavity 1122 through the heat exchange tube nest 2 communicated with the liquid outlet cavity 1122 and is discharged through the liquid outlet pipe 114.

Referring to fig. 3, a feed pipe 14 is provided on the outer peripheral wall of the lower end of the barrel 1, a discharge pipe 15 is welded and fixed to the outer peripheral wall of the upper end of the barrel 1, and both the feed pipe 14 and the discharge pipe 15 communicate with the inside of the barrel 1. When the cooling device is used, a material to be cooled is input into the cylinder body 1 through the feeding pipe 14, the material in the cylinder body 1 is in contact with the heat exchange tubes 2 to exchange heat with cooling liquid in the heat exchange tubes 2, and therefore the cooling effect is achieved; the material in the cartridge 1 can be discharged through the outlet pipe 114.

Referring to fig. 4, the outer peripheral wall of the barrel 1 at the location of the feed tube 14 has a feed opening 16 formed therethrough. The feeding pipe 14 is in a horn shape, the large end of the feeding pipe 14 is fixedly welded with the inner side wall of the feeding hole 16, and the small end of the feeding pipe 14 extends to the outside of the barrel body 1 along the axial direction of the feeding hole 16 and along the direction far away from the barrel body 1. The inner side wall of the barrel body 1 at the position of the feeding pipe 14 is provided with a material baffle 17, and the material baffle 17 is arranged opposite to the feeding pipe 14 so as to reduce the speed of the material flowing into the barrel body 1 and improve the flowing stability of the material.

Referring to fig. 4, the striker plate 17 is an arc-shaped plate, and the striker plate 17 is arranged coaxially with the barrel 1. The equal welded fastening in both ends about striker plate 17 has connecting rod 171, and the one end that striker plate 17 was kept away from to connecting rod 171 is welded fastening with the inside wall of stack shell 1 to form the clearance between the lateral wall of messenger striker plate 17 orientation inlet pipe 14 direction and the inside wall of stack shell 1, pass through for the material.

Referring to fig. 4, the inner bottom wall of the lower head 12 is recessed downward; in this embodiment, the lower end of the lower end enclosure 12 is conical, and the dirt in the lower end enclosure 12 can be deposited at the bottom of the lower end enclosure 12. The lower seal head 12 is provided with a liquid discharge pipe 122, one end of the liquid discharge pipe 122 is welded and fixed with the outer side wall of the lowest end of the lower seal head 12, and the other end of the liquid discharge pipe 122 extends downwards. The liquid discharge pipe 122 is communicated with the inner cavity of the lower seal head 12; a sealing cover 1221 is fixedly connected to the lower end of the drain pipe 122 through a flange to seal the drain pipe 122. When dirt in the lower end enclosure 12 needs to be cleaned, an operator can open the cover 1221.

Referring to fig. 4, an installation ring groove 12211 is formed in the upper surface of the sealing cover 1221 along the circumferential direction of the liquid discharge pipe 122, and a sealing ring 12222 is embedded in the installation ring groove 12211; in this embodiment, the sealing ring 12222 is a fluoroelastomer ring. An end wall of the end of the sealing ring 12222 remote from the bottom wall of the mounting ring groove 12211 protrudes from the mounting ring groove 12211; after the cap 1221 is connected to the drain pipe 122, the sealing ring 12222 abuts against the lower end wall of the drain pipe 122 to improve the sealing performance of the cap 1221 for sealing the drain pipe 122.

The implementation principle of the novel vertical tube type heat exchanger in the embodiment of the application is as follows:

when the heat exchanger is used, an operator inputs cooling liquid through the liquid inlet pipe 113, and the cooling liquid in the liquid inlet cavity 1121 flows to the inner cavity of the lower end enclosure 12 through the heat exchange tube array 2; the cooling liquid in the inner cavity of the lower end enclosure 12 flows to the liquid outlet cavity 1122 through the heat exchange tube nest 2 communicated with the liquid outlet cavity 1122 and is discharged through the liquid outlet pipe 114; the material to be cooled is fed into the barrel 1 through the feed pipe 14 and the material in the barrel 1 is discharged through the discharge pipe 114. The material to be cooled in the barrel body 1 and the cooling liquid in the heat exchange tubes 2 exchange heat with each other through the heat exchange tubes 2.

The cooling liquid passes through the heat exchange tubes 2 on the two sides of the partition plate 112 in sequence, so that the flow path of the cooling liquid can be prolonged, the contact time between the cooling liquid and the material in the barrel body 1 is prolonged, and the heat exchange efficiency of the heat exchanger is improved.

In the above embodiments, the heat exchange tube array 2 may be any one of a titanium tube, a hastelloy tube, a stainless steel tube, a silicon carbide tube, a microcrystalline glass tube, a quartz tube, a copper tube coated with PFA, and a copper tube coated with FEP; the heat exchange tubes 2 can also be tubes made of other materials; the heat exchange tubes 2 can also be composite tubes coated with other kinds of fluororubber layers.

In the above embodiments, the tube plate 13 may be any one of a galvanized plate, a steel plate, a stainless steel plate, a steel plate coated with a fluoroplastic layer, and a stainless steel plate coated with a fluoroplastic layer; the tube plate 13 may also be a plate made of other materials or a composite plate coated with a fluororubber layer.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A novel vertical tube type heat exchanger comprises a hollow cylinder body (1) with openings at the upper end and the lower end, wherein an upper end socket (11) is fixedly arranged at the upper end of the cylinder body (1), and a lower end socket (12) is fixedly arranged at the lower end; tube plates (13) used for plugging the opening of the cylinder body (1) are arranged at the two ends of the cylinder body (1); a plurality of heat exchange tubes (2) for communicating the inner cavity of the upper seal head (11) with the inner cavity of the lower seal head (12) are connected between the two tube plates (13); the outer peripheral wall of the lower end of the barrel body (1) is fixedly connected with a feeding pipe (14), and the outer peripheral wall of the upper end of the barrel body is fixedly connected with a discharging pipe (15); the method is characterized in that: a partition plate (112) used for abutting against the tube plate (13) is fixedly arranged on the inner side wall of the upper end enclosure (11); the partition plate (112) divides the inner cavity of the upper seal head (11) into two cavities, and each cavity is communicated with the tube plate (13); one of the cavities is a liquid inlet cavity (1121), and the other cavity is a liquid outlet cavity (1122); the upper end enclosure (11) is fixedly connected with a liquid inlet pipe (113) and a liquid outlet pipe (114), the liquid inlet pipe (113) is communicated with the liquid inlet cavity (1121), and the liquid outlet pipe (114) is communicated with the liquid outlet cavity (1122); the number of the heat exchange tubes (2) communicated with the liquid inlet cavity (1121) and the liquid outlet cavity (1122) is at least one.

2. The novel vertical tube type heat exchanger according to claim 1, characterized in that: the lower end enclosure (12) is fixedly provided with a liquid discharge pipe (122) communicated with all the heat exchange tubes (2), and the liquid discharge pipe (122) is provided with a sealing cover (1221) used for sealing the liquid discharge pipe (122).

3. The novel vertical tube type heat exchanger according to claim 2, characterized in that: the sealing cover (1221) is provided with mounting ring groove (12211) along the circumference of fluid-discharge tube (122), embedded sealing ring circle (12222) that is equipped with the end wall butt with fluid-discharge tube (122) of mounting ring groove (12211).

4. The novel vertical tube type heat exchanger according to claim 2, characterized in that: the inner bottom wall of the lower seal head (12) is recessed downwards, and the pipe orifice of one end, close to the lower seal head (12), of the liquid discharge pipe (122) is located at the lowest end of the inner bottom wall of the lower seal head (12).

5. The novel vertical tube type heat exchanger according to claim 1, characterized in that: the inner side wall fixedly connected with that barrel body (1) is close to the position of inlet pipe (14) has striker plate (17) just right with inlet pipe (14), striker plate (17) are provided with the clearance that is used for supplying the material to pass through towards between the lateral wall of inlet pipe (14) direction and the inner side wall of barrel body (1).

6. The novel vertical tube type heat exchanger according to claim 5, characterized in that: a connecting rod (171) is connected between the striker plate (17) and the barrel body (1); gaps are arranged between each side of the material baffle plate (17) and the cylinder body (1).

7. The novel vertical tube type heat exchanger according to claim 6, characterized in that: the striker plate (17) is an arc-shaped plate which is coaxial with the cylinder body (1).

8. The novel vertical tube type heat exchanger according to claim 1, characterized in that: the feeding pipe (14) is trumpet-shaped; the periphery wall that is located inlet pipe (14) position of stack shell (1) runs through and is provided with feed port (16), the inside wall fixed connection of the main aspects of inlet pipe (14) and feed port (16), the tip of inlet pipe (14) is located the outside of stack shell (1).