CN215930644U

CN215930644U - Corrosion-resistant efficient flue gas heat exchanger

Info

Publication number: CN215930644U
Application number: CN202122434592.6U
Authority: CN
Inventors: 张超; 王维; 袁文升
Original assignee: Hubei Zhongshuo Environmental Protection Co ltd
Current assignee: Hubei Zhongshuo Environmental Protection Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-01
Anticipated expiration: 2031-09-30

Abstract

The utility model provides a corrosion-resistant efficient flue gas heat exchanger, which relates to the technical field of heat exchangers and comprises a shell, and circular end enclosures and flat end enclosures which are arranged at two ends of the shell, wherein sealing plates are arranged at two ends inside the shell, first sealing bearings are arranged at the middle positions of the inner sides of two groups of sealing plates, first guide pipes and second guide pipes are respectively and rotatably arranged at the inner sides of the two groups of sealing plates through the first sealing bearings, and the inner ends of the first guide pipes and the second guide pipes are respectively communicated with a shunting bin; according to the utility model, the heat exchange medium is introduced through the zoom tube, the tail gas is introduced into the shell and is contacted with the zoom tube for heat exchange, the zoom tube and the shell are made of stainless steel, the zoom tube and the shell are not easy to corrode and damage, the second guide tube can be driven to rotate by matching a motor with a belt, and the second guide tube drives the diversion bin to rotate, so that the zoom tube rotates, the impacted contact position of the zoom tube and the tail gas inlet is changed, the situation that the same position is damaged and corroded by impact for a long time is avoided, and the heat exchanger is more durable.

Description

Corrosion-resistant efficient flue gas heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a corrosion-resistant efficient flue gas heat exchanger.

Background

The heat exchanger is also called as a heat exchanger, which is a heat exchanger for realizing heat transfer between materials between two or more fluids with different temperatures, so that heat is transferred from the fluid with higher temperature to the fluid with lower temperature, and the temperature of the fluid reaches the index specified by the process to meet the requirements of process conditions, and the heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry, pharmacy industry and other industrial production;

in the prior art, in chemical production, a burner and the like are often used for combustion processing, a large amount of tail gas is generated, a heat exchanger is often used for recycling the heat energy of the tail gas, the heat exchanger is extremely easy to corrode in the process of contacting with the tail gas for a long time, and particularly the region of a tail gas inlet is very easy to corrode due to long-time impact contact with the same position in the heat exchanger, so that the position is very easy to damage, the leakage and the cooling effect are reduced, and therefore, the utility model provides the corrosion-resistant high-efficiency heat exchanger for the flue gas, which is used for solving the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides the corrosion-resistant efficient flue gas heat exchanger which enables a contraction and expansion pipe to rotate, changes the impacted contact position of the contraction and expansion pipe and a tail gas inlet, avoids the same position from being damaged and corroded by impact for a long time, and is more durable.

In order to realize the purpose of the utility model, the utility model is realized by the following technical scheme: a corrosion-resistant efficient flue gas heat exchanger comprises a shell, and circular seal heads and flat seal heads which are arranged at two ends of the shell, wherein sealing plates are arranged at two ends inside the shell, first sealing bearings are arranged at the middle positions of the inner sides of two groups of sealing plates, a first guide pipe and a second guide pipe are respectively and rotatably arranged at the inner sides of the two groups of sealing plates through the first sealing bearings, the inner ends of the first guide pipe and the second guide pipe are respectively communicated with a shunting bin, mounting holes are arranged at the inner ends of the two groups of shunting bins, a plurality of groups of mounting holes are arranged in the mounting holes, a contraction and expansion pipe is communicated between the mounting holes at two ends, and the inner side of the shell and the contraction and expansion pipe are both made of stainless steel;

the inside of flat head is equipped with the baffle, and the left end of baffle is equipped with the motor, the output of motor passes through the belt and is connected with the second pipe.

The further improvement lies in that: the left end at casing top is equipped with shell side medium import, and the right-hand member of casing bottom is equipped with shell side medium export, the left end intercommunication of circle head has tube side medium import, first pipe and the inside intercommunication of circle head, be equipped with the transit storehouse in the flat head of baffle right-hand member, the second pipe runs through baffle to transit storehouse, and runs through the department and be equipped with second sealed bearing, the lower extreme intercommunication in transit storehouse has the export of tube side medium.

The further improvement lies in that: the inside of casing is equipped with the guide plate, and the guide plate semicircular in shape, the guide plate equidistance is equipped with the multiunit and sets up in a staggered way, be equipped with the through hole on the guide plate, the convergent-divergent pipe passes the through hole.

The further improvement lies in that: the expansion pipe comprises an expansion section and a contraction section, wherein multiple groups of expansion sections and multiple groups of contraction sections are arranged, and the expansion sections and the contraction sections are communicated in a staggered mode.

The further improvement lies in that: the both ends in the casing outside all are equipped with first banding, the outside of circle head and the outside of flat head are equipped with second banding and third banding respectively, all through the bolt fastening between second banding and the first banding, between third banding and the first banding.

The further improvement lies in that: the inboard of circle head is equipped with the inside lining limit, and the inside lining edge is equipped with the filter screen, the filter screen pass through the screw with the inside lining limit is fixed.

The further improvement lies in that: the interior of the transfer bin is provided with a temperature sensor, the flat head is provided with a display screen, and the output end of the temperature sensor is connected with the display screen through a wire.

The utility model has the beneficial effects that:

1. according to the utility model, the heat exchange medium is introduced through the zoom tube, the tail gas is introduced into the shell and is contacted with the zoom tube for heat exchange, the zoom tube and the shell are made of stainless steel, the zoom tube and the shell are not easy to corrode and damage, the second guide tube can be driven to rotate by matching a motor with a belt, and the second guide tube drives the diversion bin to rotate, so that the zoom tube rotates, the impacted contact position of the zoom tube and the tail gas inlet is changed, the situation that the same position is damaged and corroded by impact for a long time is avoided, and the heat exchanger is more durable.

2. According to the utility model, through heat exchange of the contraction and expansion pipe, the fluid is enabled to flow under the action of the longitudinal pressure gradient with repeatedly changed direction all the time by utilizing the effects of the plurality of expansion sections and the plurality of contraction and expansion sections, the heat transfer effect is optimized, the contact area with the tail gas is improved by matching the rotation of the contraction and expansion pipe, the heat exchange effect is further optimized, the staggered guide plates are used for guiding the tail gas up and down, the contact time of the tail gas and the contraction and expansion pipe is prolonged, and the heat exchange efficiency is improved.

3. According to the utility model, the filter screen is arranged in the circular end socket, and when the heat exchange medium is introduced into the tube side medium inlet, the heat exchange medium is filtered, so that the contraction and expansion tube is prevented from being blocked, and the circular end socket is more durable.

4. The utility model utilizes the temperature sensor in the transfer bin to identify the temperature of the medium after heat exchange and display the temperature on the display screen, thereby conveniently obtaining the data of heat energy recovery and having diversified functions.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an internal schematic view of the present invention;

FIG. 3 is a schematic view of a diverter bin of the present invention;

FIG. 4 is a schematic view of a baffle of the present invention;

FIG. 5 is a schematic view of a zoom tube of the present invention.

Wherein: 1. a housing; 2. a round end enclosure; 3. flat end enclosure; 4. a sealing plate; 5. a first sealed bearing; 6. a first conduit; 7. a second conduit; 8. a flow distribution bin; 9. mounting holes; 10. shrinking and enlarging the pipe; 11. a partition plate; 12. a motor; 13. a belt; 14. a shell side medium inlet; 15. a shell-side medium outlet; 16. a tube side medium inlet; 17. a second sealed bearing; 18. a tube side medium outlet; 19. a baffle; 20. a through hole; 21. an expansion section; 22. a contraction section; 23. first edge sealing; 24. second edge sealing; 25. thirdly, sealing edges; 26. an inner lining edge; 27. filtering with a screen; 28. a screw; 29. a temperature sensor; 30. a display screen.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

Example one

As shown in fig. 1, 2, 3, 4, and 5, the embodiment provides a corrosion-resistant efficient flue gas heat exchanger, which includes a housing 1, and circular end enclosures 2 and flat end enclosures 3 installed at two ends of the housing 1, wherein sealing plates 4 are respectively installed at two ends inside the housing 1, first sealing bearings 5 are respectively installed at intermediate positions of inner sides of two sets of sealing plates 4, first guide pipes 6 and second guide pipes 7 are respectively rotatably installed at inner sides of two sets of sealing plates 4 through the first sealing bearings 5, inner ends of the first guide pipes 6 and the second guide pipes 7 are respectively communicated with a diversion bin 8, inner ends of two sets of diversion bins 8 are respectively provided with installation holes 9, the installation holes 9 are provided with multiple sets, a contraction and expansion pipe 10 is communicated between the installation holes 9 at two ends, and the inner side of the housing 1 and the contraction and expansion pipe 10 are both made of stainless steel;

the inside of flat head 3 is equipped with baffle 11, and the left end of baffle 11 is equipped with motor 12, the output of motor 12 passes through belt 13 and is connected with second pipe 7. During the use, let in heat transfer medium through convergent-divergent pipe 10, let in tail gas casing 1 in with the contact of convergent-divergent pipe 10 carry out the heat transfer, convergent-divergent pipe 10 and casing 1 are inside to be the stainless steel, and difficult corrosion damage, and can drive the second pipe 7 rotatory through motor 12 cooperation belt 13, it is rotatory that second pipe 7 drives reposition of redundant personnel storehouse 8, thereby make convergent-divergent pipe 10 rotatory, change the impacted contact position that receives of convergent-divergent pipe 10 and tail gas import, avoid long-time same position to receive the impact damage corruption.

The left end at 1 top of casing is equipped with shell side medium import 14, and the right-hand member of 1 bottom of casing is equipped with shell side medium export 15, the left end intercommunication of circle head 2 has tube side medium import 16, first pipe 6 and the inside intercommunication of circle head 2, be equipped with the transit storehouse in the flat head 3 of baffle 11 right-hand member, second pipe 7 runs through baffle 911 to transit storehouse, and runs through the department and be equipped with second sealed bearing 17, the lower extreme intercommunication in transit storehouse has tube side medium export 18. When the device is used, tail gas is introduced through the shell side medium inlet 14, the tail gas is discharged through the shell side medium outlet 15, a heat exchange medium is introduced through the tube side medium inlet 16, enters the contraction and expansion pipe 10 from the first guide pipe 6, is discharged from the second guide pipe 7, enters the transfer bin, and is discharged from the tube side medium outlet 18.

The inside of casing 1 is equipped with guide plate 19, and guide plate 19 semicircular in shape, guide plate 19 equidistance is equipped with the multiunit and sets up in a staggered way, be equipped with through hole 20 on the guide plate 19, the convergent-divergent pipe 10 passes through hole 20. The tail gas is guided vertically by the staggered guide plates 19, so that the contact time between the tail gas and the zoom tube 10 is prolonged, and the heat exchange is efficient.

The convergent-divergent pipe 10 comprises an expansion section 21 and a contraction section 22, wherein the expansion section 21 and the contraction section 22 are provided with a plurality of groups, and the expansion section 21 and the contraction section 22 are arranged in a staggered and communicated manner. Through the heat exchange of the contraction and expansion pipe 10, the fluid flows under the action of the longitudinal pressure gradient with repeatedly changed direction all the time by utilizing the effects of the expansion sections 21 and the contraction sections 22, so that the heat exchange effect is optimized.

Both ends in the 1 outside of casing all are equipped with first banding 23, the outside of the flat head 3 in the outside of circle head 2 is equipped with second banding 24 and third banding 25 respectively, all through the bolt fastening between second banding 24 and the first banding 23, between third banding 25 and the first banding 23. Used for installing the shell 1, the round end enclosure 2 and the flat end enclosure 3.

The inner side of the round end socket 2 is provided with an inner lining edge 26, the inner lining edge 26 is provided with a filter screen 27, and the filter screen 27 is fixed with the inner lining edge 26 through a screw 28. The filter screen 27 is arranged in the circular seal head 2, and when the heat exchange medium is introduced into the tube side medium inlet 16, the heat exchange medium is filtered, so that the contraction and expansion pipe 10 is prevented from being blocked, and the circular seal head is more durable.

Example two

According to the drawings of fig. 1, 2 and 3, the embodiment provides a corrosion-resistant efficient flue gas heat exchanger, which comprises a shell 1, and circular end enclosures 2 and flat end enclosures 3 installed at two ends of the shell 1, wherein sealing plates 4 are respectively arranged at two ends inside the shell 1, first sealing bearings 5 are respectively arranged at the middle positions of the inner sides of the two sets of sealing plates 4, a first guide pipe 6 and a second guide pipe 7 are respectively rotatably installed at the inner sides of the two sets of sealing plates 4 through the first sealing bearings 5, the inner ends of the first guide pipe 6 and the second guide pipe 7 are respectively communicated with a shunting bin 8, the inner ends of the two sets of shunting bins 8 are respectively provided with a plurality of installing holes 9, a plurality of sets of installing holes 9 are arranged, a contraction and expansion pipe 10 is communicated between the installing holes 9 at two ends, and the inner side of the shell 1 and the contraction and expansion pipe 10 are both made of stainless steel;

The inside of transfer storehouse is equipped with temperature sensor 29, be equipped with display screen 30 on the flat head 3, temperature sensor 29's output passes through the wire and is connected with display screen 30. The temperature sensor 29 in the transfer bin is used for identifying the temperature of the medium after heat exchange and displaying the temperature on the display screen 30, so that the data of heat energy recovery can be conveniently obtained, and the functions are diversified.

This high-efficient heat exchanger of corrosion-resistant flue gas lets in heat transfer medium through scaling pipe 10, let in tail gas in casing 1 and the contact of scaling pipe 10 carries out the heat transfer, scaling pipe 10 and 1 inside stainless steel that is of casing, difficult corrosion damage, and can drive second pipe 7 rotatoryly through motor 12 cooperation belt 13, second pipe 7 drives reposition of redundant personnel storehouse 8 rotatoryly, thereby make scaling pipe 10 rotatory, change scaling pipe 10 and tail gas import receive the impact contact position, avoid long-time same position to receive the impact damage corruption, it is more durable. And through the heat transfer of convergent-divergent pipe 10, utilize the effect of a plurality of expansion sections 21 and contraction section 22, make the fluid flow under the longitudinal pressure gradient effect that the direction changes repeatedly all the time, be fit for the heat transfer of low pressure gas and fluid, optimize the heat transfer effect, cooperation convergent-divergent pipe 10 rotates, improve with the area of contact of tail gas, further optimize the heat transfer effect, in addition crisscross guide plate 19 carries out water conservancy diversion from top to bottom to tail gas, the contact time of extension tail gas and convergent-divergent pipe 10 for the heat transfer is high-efficient. Meanwhile, the filter screen 27 is arranged in the round end socket 2, and when the heat exchange medium is introduced into the tube side medium inlet 16, the heat exchange medium is filtered, so that the contraction and expansion tube 10 is prevented from being blocked, and the round end socket is more durable. In addition, the temperature sensor 29 in the transfer bin is used for identifying the temperature of the medium after heat exchange and displaying the temperature on the display screen 30, so that the data of heat energy recovery can be conveniently obtained, and the functions are diversified.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high-efficient heat exchanger of corrosion-resistant flue gas, includes casing (1) and installs circle head (2), flat head (3) at casing (1) both ends, its characterized in that: sealing plates (4) are arranged at two ends of the interior of the shell (1), first sealing bearings (5) are arranged at the middle positions of the inner sides of the two groups of sealing plates (4), first guide pipes (6) and second guide pipes (7) are respectively rotatably arranged on the inner sides of the two groups of sealing plates (4) through the first sealing bearings (5), the inner ends of the first guide pipes (6) and the second guide pipes (7) are respectively communicated with a shunting bin (8), mounting holes (9) are respectively arranged at the inner ends of the two groups of shunting bins (8), a plurality of groups of mounting holes (9) are formed in the mounting holes (9), a contraction and expansion pipe (10) is communicated between the mounting holes (9) at two ends, and the inner side of the shell (1) and the contraction and expansion pipe (10) are both made of stainless steel;

the inside of flat head (3) is equipped with baffle (11), and the left end of baffle (11) is equipped with motor (12), the output of motor (12) passes through belt (13) and is connected with second pipe (7).

2. The corrosion-resistant high-efficiency flue gas heat exchanger according to claim 1, characterized in that: the left end at casing (1) top is equipped with shell side medium import (14), and the right-hand member of casing (1) bottom is equipped with shell side medium export (15), the left end intercommunication of circle head (2) has tube side medium import (16), first pipe (6) and the inside intercommunication of circle head (2), be equipped with the transit storehouse in flat head (3) of baffle (11) right-hand member, second pipe (7) run through baffle 911 to transit storehouse, and run through the department and be equipped with second sealed bearing (17), the lower extreme intercommunication in transit storehouse has tube side medium export (18).

3. The corrosion-resistant high-efficiency flue gas heat exchanger according to claim 2, characterized in that: the inside of casing (1) is equipped with guide plate (19), and guide plate (19) semicircular in shape, guide plate (19) equidistance is equipped with the multiunit and sets up in a staggering way, be equipped with through hole (20) on guide plate (19), zoom pipe (10) pass through hole (20).

4. The corrosion-resistant high-efficiency flue gas heat exchanger of claim 3, which is characterized in that: the telescopic pipe (10) comprises an expansion section (21) and a contraction section (22), wherein multiple groups of expansion sections (21) and contraction sections (22) are arranged, and the expansion sections (21) and the contraction sections (22) are communicated in a staggered mode.

5. The corrosion-resistant high-efficiency flue gas heat exchanger of claim 4, which is characterized in that: both ends in casing (1) outside all are equipped with first banding (23), the outside of circle head (2) and the outside of flat head (3) are equipped with second banding (24) and third banding (25) respectively, all through the bolt fastening between second banding (24) and first banding (23), between third banding (25) and first banding (23).

6. The corrosion-resistant high-efficiency flue gas heat exchanger of claim 5, wherein: the inside of circle head (2) is equipped with inside lining limit (26), and is equipped with filter screen (27) on inside lining limit (26), filter screen (27) pass through screw (28) with inside lining limit (26) are fixed.

7. The corrosion-resistant high-efficiency flue gas heat exchanger according to claim 2, characterized in that: the interior of transit storehouse is equipped with temperature sensor (29), be equipped with display screen (30) on flat head (3), the output of temperature sensor (29) is connected with display screen (30) through the wire.