CN218821803U

CN218821803U - Anticorrosive shell-and-tube heat exchanger

Info

Publication number: CN218821803U
Application number: CN202222893837.6U
Authority: CN
Inventors: 管文财
Original assignee: Changzhou Liankang Heat Exchanger Technology Co ltd
Current assignee: Changzhou Liankang Heat Exchanger Technology Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-07
Anticipated expiration: 2032-10-31

Abstract

The utility model belongs to the technical field of heat exchangers, in particular to an anti-corrosion shell-and-tube heat exchanger, which comprises a fixed seat; the top of the fixed seat is fixedly connected with a heat exchange box; both sides of the heat exchange box are fixedly connected with a first channel box and a second channel box through flanges; the bottom of the first channel box is movably connected with a supporting seat; the top of the first pipe box and the top of the heat exchange box are both communicated with a water purifying box through water pipes; the top of the water purifying tank is movably connected with a tank cover; a sponge iron placing disc is connected inside the water purifying tank in a sliding manner; a circular groove is formed in the middle of the surface of the sponge iron placing plate; the surface of the sponge iron placing disc is provided with a filter disc through a circular groove; through the inside structural design of water purification case, reach the effect of getting rid of aquatic oxygen and carry out filterable function to the granule that easily deposits, solved because the chemical or electrochemical corrosion's that the existence of deposit and dissolved oxygen that aquatic metal particle formed problem that causes.

Description

Anticorrosive shell-and-tube heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field specifically is an anticorrosive shell and tube type heat exchanger.

Background

The heat exchanger is also called as a heat exchanger, is an industrial application device for transferring hot fluid to cold fluid, has a plurality of types and wide application industries, is applied to urban centralized heat supply, chemical engineering, factories and mines, machinery, buildings and the like, and in addition, the fields of aerospace aircrafts, semiconductor devices, nuclear power conventional island nuclear islands, wind generating sets, solar photovoltaic power generation, polysilicon production and the like all need a large number of professional heat exchangers.

Present shell-and-tube heat exchanger, the theory of operation is really accomplish the exchange of the temperature difference of hot water and cold water in a great container, the primary structure includes that two inlet tubes follow two outlet pipes, after the moisture of different temperatures does not get into from the inlet tube of difference, the hot water gets into the heat exchange tube, cold water can be at the heat transfer case, heat exchange tube and heat transfer case combination heat transfer, the heat exchange tube also sets up inside the heat transfer case, accomplish the heat transfer at the heat transfer incasement portion, there is an exchange through the hot water with the cold water in the container in with the pipeline, thereby reach certain heat balance.

However, most of the shell-and-tube heat exchangers in the market adopt water-water heat exchange, so that metal particles exist in water, precipitates are easily formed inside the heat exchangers after long-term use, cracks and gaps are formed in some parts due to discontinuous, infirm and uneven deposits, electrochemical corrosion is formed due to difference of oxygen inside and outside the cracks, and chemical or electrochemical corrosion is caused between dissolved oxygen in water and anions in water due to gradual reduction of the pH value in water; therefore, an anticorrosive shell-and-tube heat exchanger is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to make up the not enough of prior art, the chemical or electrochemical corrosion's that the existence of the deposit that the aquatic metal particle formed and dissolved oxygen caused problem, the utility model provides an anticorrosive shell-and-tube heat exchanger.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to an anticorrosion shell-and-tube heat exchanger, which comprises a fixed seat; the top of the fixed seat is fixedly connected with a heat exchange box; both sides of the heat exchange box are fixedly connected with a first pipe box and a second pipe box through flanges;

the bottom of the first channel is movably connected with a supporting seat; the top of the first pipe box and the top of the heat exchange box are both communicated with a water purifying tank through water pipes; the top of the water purifying tank is movably connected with a tank cover; a sponge iron placing disc is connected inside the water purifying tank in a sliding manner; a circular groove is formed in the middle of the surface of the sponge iron placing plate; the surface of the sponge iron placing disc is provided with a filter disc through a circular groove; the top of the inner wall of the box cover is provided with a leakage-proof pad; a heat exchange tube is arranged in the heat exchange box; the surface of the heat exchange tube is penetrated with a baffle plate.

Preferably, a water outlet is formed in the bottom of the sponge iron placing disc; a supporting plate is fixedly connected to the bottom of the sponge iron placing plate and positioned at the water outlet; the bottom of the sponge iron placing plate is fixedly connected with a sponge iron rod through a supporting plate.

Preferably, one end of the heat exchange tube penetrates through the heat exchange box and the first tube box in sequence and extends into the first tube box; one end of the heat exchange tube, which is far away from the first tube box, sequentially penetrates through the heat exchange box and the second tube box and extends to the inside of the second tube box.

Preferably, the top of the box cover is respectively communicated with a first water inlet pipe and a second water inlet pipe; one end of the first water inlet pipe and one end of the second water inlet pipe penetrate through the box cover and extend to the top of the box cover; the inside of first inlet tube and the inside of second inlet tube all are equipped with the stagnant flow valve.

Preferably, the bottom of the second channel is communicated with a first water outlet pipe; the bottom of the heat exchange box is communicated with a second water outlet pipe; one end of the first water outlet pipe penetrates through the second pipe box and extends to the bottom of the second pipe box; one end of the second water outlet pipe penetrates through the heat exchange box and extends to the bottom of the heat exchange box.

Preferably, a sensor is arranged on one side of the inner wall of the second channel; and a sensor indicator lamp is arranged on the surface of the water purifying tank.

The utility model discloses an useful part lies in:

1. the utility model adds the sponge iron on the sponge iron placing disc to adsorb the dissolved oxygen in the water through the structural design in the water purification tank, thereby achieving the effect of removing the oxygen in the water, and the filter disc installed at the same time realizes the function of filtering the particles easy to precipitate, thereby solving the problem of chemical or electrochemical corrosion caused by the existence of precipitate and dissolved oxygen formed by metal particles in the water, and in addition, the disassembly and assembly design of the water purification tank also reduces the maintenance cost;

2. the utility model discloses a parallel heat exchange tube's structural design has realized parallel heat transfer's function, makes the heat transfer effect more even, installs the baffling board simultaneously, has increased the flow time of the water of heat transfer incasement portion at the heat transfer incasement, makes its and heat exchange tube contact more abundant, has further improved the effect of heat transfer.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly introduced, obviously, the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of a first embodiment;

FIG. 2 is a schematic sectional view showing a part of a heat exchange box according to an embodiment;

FIG. 3 is a schematic view showing a sectional structure of a heat exchange tank according to an embodiment;

FIG. 4 is a schematic sectional view showing a water purifying tank according to an embodiment;

FIG. 5 is a perspective view of a lid according to one embodiment;

FIG. 6 is a perspective view of a sponge iron holding tray according to an embodiment;

fig. 7 is a perspective view of the second embodiment.

In the figure: 1. a fixed seat; 2. a heat exchange box; 3. a first header; 4. a second header; 5. a supporting base; 6. a water purifying tank; 7. a first water inlet pipe; 8. a first water outlet pipe; 9. a second water inlet pipe; 10. a second water outlet pipe; 11. a heat exchange pipe; 12. a baffle plate; 13. a sensor; 14. a box cover; 15. a sponge iron placing plate; 16. a filter disc; 17. a leak-proof pad; 18. a thermometer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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.

Example one

Referring to fig. 1-6, an anticorrosive shell-and-tube heat exchanger includes a fixing base 1; the top of the fixed seat 1 is fixedly connected with a heat exchange box 2; both sides of the heat exchange box 2 are fixedly connected with a first channel box 3 and a second channel box 4 through flanges;

the bottom of the first pipe box 3 is movably connected with a supporting seat 5; the top of the first pipe box 3 and the top of the heat exchange box 2 are both communicated with a water purifying box 6 through water pipes; the top of the water purifying tank 6 is movably connected with a tank cover 14; a sponge iron placing disc 15 is connected inside the water purifying tank 6 in a sliding manner; a circular groove is formed in the middle of the surface of the sponge iron placing disc 15; the surface of the sponge iron placing disc 15 is provided with a filter disc 16 through a circular groove; the top of the inner wall of the box cover 14 is provided with a leakage-proof pad 17; a heat exchange tube 11 is arranged inside the heat exchange box 2; a baffle plate 12 penetrates through the surface of the heat exchange tube 11;

during operation, install the heat exchanger, it is fixed with the place of needs installation through the screw hole accessible bolt of fixing base 1 bottom, fixing base 1 plays the effect of support to the heat exchanger in addition, supporting seat 5 and first pipe case 3 swing joint, mainly make because first pipe case 3 top is equipped with inlet tube and clean water tank 6, the atress is great, prevent that the time from leading to the fact the cave in for a long time, after finishing the installation, work, the income water can advance into clean water tank 6, at this moment because the sponge iron that clean water tank 6 inside sponge iron placed dish 15 and placed can adsorb the dissolved oxygen of aquatic, when passing through filter disc 16 afterwards, some easy sediment granules can stop on filter disc 16, thereby reduce the aquatic oxygen content that gets into in the heat exchanger and reduce the production of precipitate, case lid 14 and clean water tank 6 are the joint, it is sealed through leak protection pad 17, prevent that water exposes, the water gets into in heat exchange tank 2 for the lower water temperature, and the water that gets into first pipe case 3 is the higher temperature water, get into heat exchange tube 11 through first pipe case 3, accomplish the heat exchange cold exchange with low temperature water in heat exchange case 2, low temperature water can contact with baffling board 12 in the contact, thereby the heat exchange time of the heat exchange has been increased after the heat exchange time of the heat exchange tube, thereby the heat exchange time of the heat exchange has been folded, the heat exchange has been increased for a long time.

Further, a water outlet is formed in the bottom of the sponge iron placing disc 15; a supporting plate is fixedly connected to the bottom of the sponge iron placing plate 15 and positioned at the water outlet; the bottom of the sponge iron placing disc 15 is fixedly connected with a sponge iron rod through a supporting plate;

during operation, the backup pad mainly supports filter disc 16, and the delivery port that 15 bottoms of dish were placed through sponge iron to water through filter disc 16 flows, and it is more convenient that sponge iron rod main aspect takes out sponge iron when maintaining in addition and places dish 15, and secondly also the dissolved oxygen of further absorption aquatic.

Furthermore, one end of the heat exchange tube 11 sequentially penetrates through the heat exchange box 2 and the first tube box 3 and extends to the inside of the first tube box 3; one end of the heat exchange tube 11, which is far away from the first tube box 3, sequentially penetrates through the heat exchange box 2 and the second tube box 4 and extends into the second tube box 4;

during operation, high-temperature water in the first pipe box 3 enters the heat exchange pipe 11, reaches the heat exchange box 2, exchanges heat with low-temperature water in the heat exchange box 2, and then enters the second pipe box 4.

Furthermore, the top of the box cover 14 is respectively communicated with a first water inlet pipe 7 and a second water inlet pipe 9; one end of the first water inlet pipe 7 and one end of the second water inlet pipe 9 penetrate through the box cover 14 and extend to the top of the box cover 14; the inner part of the first water inlet pipe 7 and the inner part of the second water inlet pipe 9 are both provided with a flow stopping valve;

during operation, high-temperature water enters the purified water tank 6 through the first water inlet pipe 7, low-temperature water enters the purified water tank 6 through the second water inlet pipe 9, and the check valve controls whether water is required to be injected or not and controls the disassembly of the tank cover 14 after the tank cover is closed during maintenance.

Further, the bottom of the second channel 4 is communicated with a first water outlet pipe 8; the bottom of the heat exchange box 2 is communicated with a second water outlet pipe 10; one end of the first water outlet pipe 8 penetrates through the second pipe box 4 and extends to the bottom of the second pipe box 4; one end of the second water outlet pipe 10 penetrates through the heat exchange box 2 and extends to the bottom of the heat exchange box 2;

during operation, after entering the second pipe box 4, the high-temperature water after heat exchange flows out through the first water outlet pipe 8, and the low-temperature water after heat exchange flows out through the second water outlet pipe 10 at one side of the bottom of the heat exchange box 2.

Further, a sensor 13 is arranged on one side of the inner wall of the second tube box 4; a sensor indicator light is arranged on the surface of the water purifying tank 6;

during operation, the sensor 13 mainly detects the oxygen content in water, and when the oxygen content is higher, the sensor indicator lamp on the surface of the water purification tank 6 flickers, and the sponge iron in the water purification tank 6 needs to be replaced at the moment.

Example two

Referring to fig. 7, as another embodiment of the present invention, in a first comparative example, a thermometer 18 is further connected to the top of the heat exchange box 2; during operation, the temperature inside the heat exchange box 2 is known in real time through the thermometer so as to determine whether water needs to be continuously fed and discharged and adjust the water temperature of the fed water according to working requirements.

The working principle is as follows: the heat exchanger is installed, the heat exchanger can be fixed with a place needing to be installed through a threaded hole at the bottom of a fixed seat 1 through a bolt, in addition, the fixed seat 1 plays a role in supporting the heat exchanger, a supporting seat 5 is movably connected with a first pipe box 3, the top of the first pipe box 3 is mainly provided with a water inlet pipe and a water purification tank 6, the stress is larger, the situation that the heat exchanger is sunken after long time is prevented, the work is carried out after the installation is finished, high-temperature water enters the water purification tank 6 through a first water inlet pipe 7, low-temperature water enters the water purification tank 6 through a second water inlet pipe 9, a check valve controls whether water needs to be injected or not and the disassembly of a tank cover 14 is closed during maintenance, a partition plate is arranged inside the water purification tank 6, the sponge iron placed in a sponge iron placing plate 15 inside the water purification tank 6 can adsorb dissolved oxygen in the water, the supporting plate mainly supports a filter plate 16, the water passing through the filter plate 16 flows out through a water outlet at the bottom of the sponge iron placing plate 15, in addition, the sponge iron rod is convenient to take out of the sponge iron placing disc 15 during maintenance, dissolved oxygen in water is further adsorbed, after the sponge iron rod passes through the filter disc 16, some particles easy to precipitate can stay on the filter disc 16, so that the oxygen content in the water entering the heat exchanger is reduced, the generation of precipitates is reduced, the box cover 14 is clamped with the water purifying box 6 and is sealed through the leakage-proof gasket 17, the water is prevented from being exposed, the water enters the heat exchange box 2 and is low-temperature water, the water entering the first tube box 3 is high-temperature water, the water enters the heat exchange tube 11 through the first tube box 3, the high-temperature water in the first tube box 3 enters the heat exchange tube 11 and reaches the heat exchange box 2, heat and cold exchange is completed with the low-temperature water in the heat exchange box 2, the high-temperature water enters the second tube box 4 after heat exchange is completed, after the heat exchange is completed, the high-temperature water enters the second tube box 4, flow out through first outlet pipe 8, low temperature water can be folded back after 12 collisions with baffling board in heat transfer case 2 simultaneously, make its flow time increase in heat transfer case 2, thereby with 11 contact time of heat exchange tube, the contact surface is more of a specified duration, the heat transfer effect has been improved, low temperature water after the heat transfer is accomplished flows out through second outlet pipe 10 in one side of heat transfer case 2 bottoms, sensor 13 mainly detects the oxygen content of aquatic, when the oxygen content is higher, the sensor pilot lamp scintillation on 6 surfaces of water purification case, need change the sponge iron in the water purification case 6 this moment.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. An anticorrosive shell and tube heat exchanger which characterized in that: comprises a fixed seat (1); the top of the fixed seat (1) is fixedly connected with a heat exchange box (2); both sides of the heat exchange box (2) are fixedly connected with a first channel box (3) and a second channel box (4) through flanges;

the bottom of the first channel box (3) is movably connected with a supporting seat (5); the top of the first tube box (3) and the top of the heat exchange box (2) are communicated with a water purifying box (6) through water pipes; the top of the water purifying tank (6) is movably connected with a tank cover (14); a sponge iron placing disc (15) is connected inside the water purifying tank (6) in a sliding manner; a circular groove is formed in the middle of the surface of the sponge iron placing disc (15); a filter disc (16) is arranged on the surface of the sponge iron placing disc (15) through a circular groove; the top of the inner wall of the box cover (14) is provided with a leakage-proof pad (17); a heat exchange pipe (11) is arranged in the heat exchange box (2); and a baffle plate (12) penetrates through the surface of the heat exchange tube (11).

2. An anticorrosion shell and tube heat exchanger as claimed in claim 1, wherein: a water outlet is formed in the bottom of the sponge iron placing plate (15); a supporting plate is fixedly connected to the bottom of the sponge iron placing plate (15) and positioned at the water outlet; the bottom of the sponge iron placing plate (15) is fixedly connected with a sponge iron rod through a supporting plate.

3. An anticorrosion shell and tube heat exchanger according to claim 2, characterized in that: one end of the heat exchange tube (11) penetrates through the heat exchange box (2) and the first tube box (3) in sequence and extends into the first tube box (3); one end, far away from the first tube box (3), of the heat exchange tube (11) penetrates through the heat exchange box (2) and the second tube box (4) in sequence and extends into the second tube box (4).

4. An anticorrosion shell and tube heat exchanger according to claim 3, characterized in that: the top of the box cover (14) is respectively communicated with a first water inlet pipe (7) and a second water inlet pipe (9); one end of the first water inlet pipe (7) and one end of the second water inlet pipe (9) penetrate through the box cover (14) and extend to the top of the box cover (14); the inside of first inlet tube (7) and the inside of second inlet tube (9) all are equipped with the stagnant water valve.

5. An anticorrosion shell and tube heat exchanger according to claim 4, characterized in that: the bottom of the second channel (4) is communicated with a first water outlet pipe (8); the bottom of the heat exchange box (2) is communicated with a second water outlet pipe (10); one end of the first water outlet pipe (8) penetrates through the second pipe box (4) and extends to the bottom of the second pipe box (4); one end of the second water outlet pipe (10) penetrates through the heat exchange box (2) and extends to the bottom of the heat exchange box (2).

6. An anticorrosion shell and tube heat exchanger as claimed in claim 5, wherein: a sensor (13) is arranged on one side of the inner wall of the second channel box (4); and a sensor indicator lamp is arranged on the surface of the water purifying tank (6).