CN213932142U

CN213932142U - Filtering self-decontamination shell-and-tube heat exchanger

Info

Publication number: CN213932142U
Application number: CN202023127756.2U
Authority: CN
Inventors: 王建宗; 刘涵元
Original assignee: Huanya Tianjin Marine Heat Exchanger Co ltd
Current assignee: Huanya Tianjin Marine Heat Exchanger Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-08-10
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a filter from scrubbing shell and tube type heat exchanger belongs to chemical industry heat transfer technical field, which comprises a housin, shell side fluid inlet has been seted up to the casing bottom, shell side fluid outlet has been seted up at the casing top, shell side wall one end is installed tube side fluid inlet, tube side fluid outlet is installed to the casing side wall other end, casing internally mounted has the heating pipe, the heating pipe is provided with the multiunit, blowdown piece and collecting box are installed to the casing bottom, the blowdown piece is provided with the multiunit, the inside recess that has seted up of collecting box, the solenoid valve is installed to the collecting box bottom, the blow off pipe is installed to the solenoid valve bottom. Through setting up inner tube and outer tube, stopped the potential safety hazard, prolonged the life of heat exchanger, through the cooperation of blowdown fan and solenoid valve, clear up in the heat exchanger, avoid the heat pipe to block up, increased the practicality of device.

Description

Filtering self-decontamination shell-and-tube heat exchanger

Technical Field

The utility model relates to a chemical industry heat transfer technical field especially relates to a filter from scrubbing shell and tube type heat exchanger.

Background

Heat exchangers are process equipment that perform heat transfer and are widely used in the oil refining, petrochemical industry, and other general chemical industries. Such as cooling, condensing, heating, evaporation, and waste heat recovery, among others. Due to the variety of conditions (corrosivity, temperature, pressure, media, impurities, heat exchange capacity, etc.) the heat exchanger also needs to have a reasonable structure and form.

Patent CN201711077035.5 discloses a shell and tube heat exchanger, including shell side barrel, pipe case barrel, tube sheet and heat exchange tube, the heat exchange tube is fixed in tube sheet and main part setting in shell side barrel, baffle assembly has been arranged in the shell side barrel, baffle assembly includes many first baffling poles and many second baffling poles, first baffling pole includes connecting portion and first baffling portion and the second baffling portion of being connected with the connecting portion both ends respectively, setting up of first baffling pole is used for forming two spiral flow runners. Compared with the prior art, the shell-and-tube heat exchanger has the following advantages: the shell side fluid forms double helix flow at the shell side along with the arrangement of the first baffling rods, so that the shell side fluid obliquely sweeps the heat exchange tube through the first baffling rods, and simultaneously rotationally scours on the heat exchange tube bundle along with double helix flow channels formed among the first baffling rods, the heat transfer enhancement effect is promoted, the flow dead zones of the arch baffling rods and the like are reduced, and the heat exchange effect is enhanced.

Some of the above-mentioned utility model have the disadvantages: 1. the heat exchange tubes in the shell-and-tube heat exchanger are single-walled, the tube side medium is arranged in the tube, the shell side medium is arranged outside the tube, once the heat exchange tubes are broken, the two media are mixed to cause danger, and therefore improvement is needed. 2. The impurities generated in the shell-and-tube heat exchanger can block the shell-and-tube heat exchanger, so that the shell-and-tube heat exchanger cannot be normally used, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a filter from scrubbing shell and tube type heat exchanger aims at having stopped the potential safety hazard through setting up inner tube and outer tube, has prolonged the life of heat exchanger, through the cooperation of blowdown fan and solenoid valve, clears up in to the heat exchanger, avoids the heat pipe to block up, has increased the practicality of device.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of filter from scrubbing shell and tube type heat exchanger, which comprises a housin, shell side fluid inlet has been seted up to the casing bottom, shell side fluid outlet has been seted up at the casing top, shell side wall one end is installed tube side fluid inlet, tube side fluid outlet is installed to the shell side wall other end, casing internally mounted has the heating pipe, the heating pipe is provided with the multiunit, blowdown piece and collecting box are installed to the casing bottom, the blowdown piece is provided with the multiunit, the inside recess of seting up of collecting box, the solenoid valve is installed to the collecting box bottom, the blow off pipe is installed to the solenoid valve bottom.

Optionally, the heating pipe comprises an inner pipe and an outer pipe, and the inner pipe is coaxially arranged in the outer pipe in a penetrating manner.

Optionally, a cavity is formed in the heating pipe, and heat-conducting silicone grease is installed in the cavity.

Optionally, a blowdown fan is installed inside the blowdown block, and an inlet of the blowdown block faces the shell-side fluid inlet.

Optionally, the power input end of the electromagnetic valve is connected with the power output end of the external power supply.

The utility model has the advantages as follows:

1. the embodiment of the utility model provides a filter self-decontamination shell-and-tube heat exchanger, the heat exchange tube includes inner tube and outer tube, the inner tube is coaxial to be worn to establish in the outer tube, set up between inner tube outer wall and the outer tube inner wall and hold the chamber, hold the intracavity and install heat conduction silicone grease, when the inner tube breaks, the medium in the inner tube gets into and holds the chamber, the outer tube can prevent the medium of inner tube and the medium outside the outer tube to mix, when the outer tube breaks, the medium outside the outer tube gets into and holds the chamber, the inner tube can prevent the medium outside the outer tube from getting into in the inner tube, prevent the medium outside the outer tube and the medium inside the inner tube from mixing, effectively prevent the mixing of two kinds of mediums, realize two kinds of mediums in the heat exchanger can not mix because the heat exchange tube breaks, hold the intracavity and install heat conduction silicone grease, the operating temperature of heat conduction silicone grease is generally-50 ℃ -220 ℃, it has good heat conductivity, high temperature resistance, ageing-resistant and waterproof characteristic, therefore, the heat conversion efficiency between the inner pipe and the outer pipe is improved, potential safety hazards are eliminated by arranging the inner pipe and the outer pipe, and the service life of the heat exchanger is prolonged.

2. The embodiment of the utility model provides a filter from scrubbing shell and tube type heat exchanger, when little volume impurity in the shell side fluid inlet, flocculent impurity etc. because of the velocity of flow change, various factors such as the adhesion of being heated deposit, attract, the adhesion is when being put together, can form great impurity, blowdown piece internally mounted has the blowdown fan, the import of blowdown piece is towards shell side fluid inlet department, the blowdown fan can rotate always, form certain whirl and centrifugal current in shell side fluid inlet, big impurity will be pushed to the chamber wall of keeping away from the blowdown fan, get into the recess in the collecting box, because relative indiscriminate flow in the collecting box, the turbulence is little, impurity can not leave the collecting box, when stopping using the heat exchanger again, the external power supply of connecting the solenoid valve, after the circular telegram, the pilot hole is opened earlier to the electromagnetic force, the pressure decline in the main valve piston, thereby utilize pressure difference and electromagnetic force pulling main piston, the valve port is opened, the impurity in the collecting box is discharged to the blow-off pipe and cleaned, so that the accumulated large-volume impurities in the heat exchanger are prevented from remaining, the heat pipe is prevented from being blocked by cleaning the heat exchanger through the cooperation of the blow-off fan and the electromagnetic valve, and the practicability of the device is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a front view of a filtering self-decontaminating shell-and-tube heat exchanger according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal expanding structure of the heating pipe in fig. 1 of a filtering self-decontaminating shell-and-tube heat exchanger according to an embodiment of the present invention;

fig. 3 is the utility model discloses a filter from scrubbing shell and tube type heat exchanger's inside expanded structure schematic diagram of blowdown piece in fig. 1.

In the figure: 1. a housing; 2. a shell-side fluid inlet; 3. a shell-side fluid outlet; 4. a tube side fluid inlet; 5. a tube-side fluid outlet; 6. a collection box; 7. a sewage disposal block; 8. a groove; 9. heating a tube; 10. an outer tube; 11. an inner tube; 12. a cavity; 13. heat-conducting silicone grease; 14. a sewage discharge fan; 15. an electromagnetic valve; 16. a sewage discharge pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A filtering self-decontaminating shell-and-tube heat exchanger according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1, fig. 2 and fig. 3, the embodiment of the utility model provides a filter from scrubbing shell and tube formula heat exchanger, including casing 1, shell side fluid inlet 2 has been seted up to casing 1 bottom, shell side fluid outlet 3 has been seted up at casing 1 top, shell side wall one end of casing 1 is installed tube side fluid inlet 4, tube side fluid outlet 5 is installed to the casing 1 lateral wall other end, 1 internally mounted of casing has heating pipe 9, heating pipe 9 is provided with the multiunit, blowdown piece 7 and collecting box 6 are installed to casing 1 bottom, blowdown piece 7 is provided with the multiunit, collecting box 6 is inside to be seted up flutedly 8, solenoid valve 15 is installed to collecting box 6 bottom, blow off pipe 16 is installed to solenoid valve 15 bottom.

Referring to fig. 1 and 2, when the inner tube 11 is broken, the medium in the inner tube 11 enters the cavity 12, the outer tube 10 can prevent the medium in the inner tube 11 from mixing with the medium outside the outer tube 10, when the outer tube 10 is broken, the medium outside the outer tube 10 enters the cavity 12, the inner tube 11 can prevent the medium outside the outer tube 10 from entering the inner tube 11, the medium outside the outer tube 10 from mixing with the medium in the inner tube 11, the mixing of the two media is effectively prevented, and the two media in the heat exchanger can not be mixed due to the broken heat exchange tube.

Referring to fig. 2, the heat conductive silicone grease 13 is installed inside the cavity 12, and the working temperature of the heat conductive silicone grease 13 is generally-50 ℃ to 220 ℃, and the heat conductive silicone grease has good heat conductivity, high temperature resistance, aging resistance and waterproof properties, so that the heat conversion efficiency between the inner tube 11 and the outer tube 10 is improved.

Referring to fig. 1 and 3, when small-volume impurities, flocculent impurities and the like in the shell-side fluid inlet 2 are deposited, attracted and adhered together due to various factors such as flow rate change, thermal adhesion and the like, large impurities are formed, a sewage discharge fan 14 is installed inside the sewage discharge block 7, the inlet of the sewage discharge block 7 faces the shell-side fluid inlet 2, the sewage discharge fan 14 rotates all the time, certain rotational flow and centrifugal flow are formed in the shell-side fluid inlet 2, and the large impurities are pushed to the wall of the cavity far away from the sewage discharge fan 14 and enter the groove 8 in the collection box 6.

Referring to fig. 1, after the external power supply connected to the solenoid valve 15 is powered on, the electromagnetic force opens the pilot hole first, the pressure in the upper cavity of the main valve piston decreases, so that the main piston is pulled by the pressure difference and the electromagnetic force, the valve port opens, and the impurities in the collecting tank 6 are discharged to the sewage pipe 16 for cleaning, thereby ensuring that no large-volume impurities are accumulated in the heat exchanger.

The embodiment of the utility model provides a filter from scrubbing shell and tube type heat exchanger, the heat exchange tube includes inner tube 11 and outer tube 10, inner tube 11 is coaxial to be worn to establish in outer tube 10, seted up between inner tube 11 outer wall and the outer tube 10 inner wall and held the chamber 12, hold chamber 12 internally mounted and have heat conduction silicone grease 13, when inner tube 11 breaks, the medium in the inner tube 11 gets into and holds the chamber 12, outer tube 10 can prevent the medium of inner tube 11 and the medium outside outer tube 10 from mixing, when outer tube 10 breaks, the medium outside outer tube 10 gets into and holds chamber 12, inner tube 11 can prevent the medium outside outer tube 10 from getting into in the inner tube 11, prevent the medium outside outer tube 10 and the medium in the inner tube 11 from mixing, effectively prevent the mixing of two kinds of media, realize that two kinds of media can not mix because of heat exchange tube breakage in the heat exchanger, hold chamber 12 internally mounted and have heat conduction silicone grease 13, the operating temperature of heat conduction silicone grease 13 is generally at-50 ℃ -220 ℃, it has good thermal conductivity, high temperature resistance, aging resistance and waterproof property, thereby improving the heat conversion efficiency between the inner pipe 11 and the outer pipe 10, and by arranging the inner pipe 11 and the outer pipe 10, the potential safety hazard is avoided, when small-volume impurities, flocculent impurities and the like in the shell side fluid inlet 2 are deposited, attracted and adhered together due to various factors such as flow rate change, heated adhesion and the like, larger impurities can be formed, a sewage discharge fan 14 is arranged in the sewage discharge block 7, the inlet of the sewage discharge block 7 faces to the shell side fluid inlet 2, the sewage discharge fan 14 can always rotate to form certain rotational flow and centrifugal flow in the shell side fluid inlet 2, the large impurities can be pushed to the cavity wall far away from the sewage discharge fan 14 and enter the groove 8 in the collection box 6, because the relative turbulent flow and the turbulent flow in the collection box 6 are small, the impurities can not leave the collection box 6, when the heat exchanger is stopped to use, the external power supply of the electromagnetic valve 15 is connected, after the circular telegram, the pilot hole is opened earlier to the electromagnetic force, and main valve piston epicoele pressure descends to utilize pressure differential and electromagnetic force pulling main piston, the valve port is opened, with the impurity row in the collecting box 6 to 16 departments of blow off pipe, clear up, thereby guaranteed not to have the long-pending of well bulky impurity in the heat exchanger to stay, through the cooperation of blowdown fan 14 and solenoid valve 15, clear up in the heat exchanger, avoid the heat pipe to block up, increased the practicality of device, wherein the solenoid valve model is just tai N4V 210-08.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a filter from scrubbing shell and tube type heat exchanger, includes casing (1), its characterized in that, shell side fluid inlet (2) have been seted up to casing (1) bottom, shell side fluid outlet (3) have been seted up at casing (1) top, shell (1) lateral wall one end is installed tube side fluid inlet (4), tube side fluid outlet (5) are installed to the casing (1) lateral wall other end, casing (1) internally mounted has heating pipe (9), heating pipe (9) are provided with the multiunit, blowdown piece (7) and collecting box (6) are installed to casing (1) bottom, blowdown piece (7) are provided with the multiunit, inside recess (8) of having seted up of collecting box (6), solenoid valve (15) are installed to collecting box (6) bottom, blow off pipe (16) are installed to solenoid valve (15) bottom.

2. A filtering and self-decontaminating shell-and-tube heat exchanger according to claim 1, wherein the heating tube (9) consists of an inner tube (11) and an outer tube (10), the inner tube (11) being coaxially arranged through the outer tube (10).

3. A filtering self-decontaminating shell-and-tube heat exchanger according to claim 1, wherein a cavity (12) is opened inside the heating tube (9), and a heat-conducting silicone grease (13) is installed inside the cavity (12).

4. A filtering and self-decontaminating shell-and-tube heat exchanger according to claim 1, wherein the blowdown block (7) has a blowdown fan (14) mounted therein, the inlet of the blowdown block (7) being directed toward the shell-side fluid inlet (2).

5. A filtering self-decontaminating shell-and-tube heat exchanger according to claim 1, wherein the electrical input of the solenoid valve (15) is connected to the electrical output of an external power source.