CN114526620A - Backflushing shell-and-tube heat exchanger - Google Patents

Backflushing shell-and-tube heat exchanger Download PDF

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Publication number
CN114526620A
CN114526620A CN202210174853.1A CN202210174853A CN114526620A CN 114526620 A CN114526620 A CN 114526620A CN 202210174853 A CN202210174853 A CN 202210174853A CN 114526620 A CN114526620 A CN 114526620A
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China
Prior art keywords
shell
heat exchanger
plate
tube heat
conductive
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CN202210174853.1A
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Chinese (zh)
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CN114526620B (en
Inventor
张苗忠
王美钢
黄科伟
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Zhejiang Sinzeal Heat Exchanger Co ltd
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Zhejiang Sinzeal Heat Exchanger Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28GCLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G15/00Details
    • F28G15/003Control arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28GCLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G9/00Cleaning by flushing or washing, e.g. with chemical solvents
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention discloses a backflushing shell-and-tube heat exchanger, which comprises: the cooling device comprises a tank body, wherein two ends of the tank body are provided with partition plates, the tank body is divided into three independent cavities by the two partition plates, a plurality of heat transfer pipes are arranged between the partition plates, and two ends of the tank body are respectively provided with a cooling liquid inlet pipe and a cooling liquid outlet pipe; a material liquid inlet pipe and a material liquid outlet pipe are respectively arranged on the middle cavity; and the cleaning mechanism is arranged in the middle of the cavity and used for automatically cleaning the cavity of the entering material according to the temperature and the flow of the cleaning liquid. The cleaning mechanism is arranged, and a cavity entering a material is automatically cleaned according to the temperature and the flow of the cleaning liquid; the defects of poor cleaning effect and time and labor waste in operation are overcome.

Description

Backflushing shell-and-tube heat exchanger
Technical Field
The invention relates to the field of backflushing shell-and-tube heat exchangers, in particular to a backflushing shell-and-tube heat exchanger.
Background
At present, a shell-and-tube heat exchanger is one of the most typical dividing wall type heat exchangers, and the application of the shell-and-tube heat exchanger in the industry has a long history and still dominates the heat exchanger to date. The existing shell-and-tube heat exchanger mainly comprises: the shell assembly comprises a cylinder shell with a hot fluid inlet and a hot fluid outlet, a left end socket connected with the left end of the cylinder shell and provided with a cold fluid inlet and a cold fluid outlet, and a right end socket connected with the right end of the cylinder shell; the left tube plate is arranged between the left end socket and the cylinder shell; the clapboard sealing gasket is arranged between the left end socket and the left tube plate; the right tube plate is arranged between the right end socket and the cylinder shell; a plurality of tubes extending through the left and right tube sheets. In the use process, cold fluid can enter the first chamber through the cold fluid inlet, then flows through the third chamber and the second chamber in sequence through the pipe body, and finally is discharged through the cold fluid outlet. In the process, hot fluid can enter the fourth cavity through the hot fluid inlet and heat cold fluid in the pipe body, and finally the hot fluid is discharged through the hot fluid outlet.
The existing shell-and-tube heat exchanger needs an operator to wash according to the temperature of the flushing liquid and the flow rate of the flushing liquid, and has the defects of poor cleaning effect and time and labor waste in operation.
Disclosure of Invention
The invention provides a backflushing shell-and-tube heat exchanger aiming at the problems, and overcomes the defects that the existing shell-and-tube heat exchanger needs to be flushed according to the adjustment of the flow rate of flushing liquid and the temperature of the flushing liquid when an operator flushes the shell-and-tube heat exchanger, the cleaning effect is poor, and the operation is time-consuming and labor-consuming.
The technical scheme adopted by the invention is as follows:
a backflush shell and tube heat exchanger comprising: the cooling device comprises a tank body, wherein two ends of the tank body are provided with partition plates, the tank body is divided into three independent cavities by the two partition plates, a plurality of heat transfer pipes are arranged between the partition plates, and two ends of the tank body are respectively provided with a cooling liquid inlet pipe and a cooling liquid outlet pipe; a material liquid inlet pipe and a material liquid outlet pipe are respectively arranged on the middle cavity; and the cleaning mechanism is arranged in the middle of the cavity and used for automatically cleaning the cavity of the entering material according to the temperature and the flow of the cleaning liquid. The shell type heat exchanger is provided with the cleaning mechanism, and the cavity for entering the material is automatically cleaned according to the temperature and the flow of the cleaning liquid, so that the defects that the existing shell type heat exchanger needs an operator to manually adjust the cleaning flow and the temperature of the cleaning liquid when the existing shell type heat exchanger is cleaned, the operation is complicated, and time and labor are wasted are overcome.
Optionally, a plurality of spoilers are arranged in the middle cavity, and two adjacent spoilers are respectively arranged on the upper side and the lower side of the cavity.
Optionally, the cleaning mechanism includes a first box and a second box respectively located at two sides of the tank body; the first box body is connected with a first plate, and the second box body is connected with a second plate.
Optionally, a plurality of ultrasonic vibration elements connected in series in sequence through a lead are mounted on the first plate; one end of a circuit formed by the ultrasonic vibration elements connected in series on the first plate is electrically connected with one pole of a power supply; one end of the first plate, which is far away from the power supply, is provided with a first conductive piece which is electrically connected with the ultrasonic vibration element.
Optionally, the second plate is also provided with a plurality of ultrasonic vibration elements which are sequentially connected in series through a lead, and one end of a circuit formed by the ultrasonic vibration elements connected in series on the second plate is electrically connected with the other pole of the power supply; and a second conductive piece electrically connected with the ultrasonic vibration element is arranged at one end of the second plate far away from the power supply.
Optionally, a first magnetic cylinder and a conductive column are arranged inside one end of the first plate close to the power supply, and the conductive column is installed in the center of the first magnetic cylinder; the first conductive piece and the second conductive piece are both in a sheet shape, the tail ends of the first conductive piece and the second conductive piece are both in a wave shape, and when the first conductive piece and the second conductive piece are contacted with each other, a plurality of independent flow channels convenient for liquid to pass through are formed.
Optionally, a sliding groove is formed in the tank body on one side of the first box body, a telescopic element is arranged in the sliding groove, and one end of the telescopic element is sequentially connected with a first spring, a magnetic block and a second spring; the top of the sliding groove is provided with a heat conducting fin made of iron material; the magnetic block and the first magnetic cylinder are mutually adsorbed.
Optionally, the telescopic element includes a pair of side plates, and a plurality of telescopic elastic pieces connected end to end are installed between the pair of side plates, and the telescopic elastic pieces are V-shaped and made of memory metal.
Optionally, an arc-shaped heat-conducting fixing ring is mounted at the bottom of the telescopic elastic sheet, the bottom of the heat-conducting fixing ring is connected with the adsorption sheet, a through hole is formed in the adsorption sheet, the heat-conducting fixing ring penetrates through the through hole to contact with the heat-conducting sheet, and a magnet is arranged in the middle of the adsorption sheet.
Optionally, a conductive sliding piece is arranged on one side of the sliding groove, the first conductive piece is continuously connected with the conductive sliding piece when moving, and the conductive sliding piece is communicated with one pole of the power supply through a wire. In the invention, when cleaning is carried out, flushing fluid enters through the material liquid outlet pipe and then flows out through the material liquid inlet pipe to carry out backflushing operation; when the flow of the washing liquid rushes through a preset flow velocity and the temperature of the washing liquid exceeds 80 ℃, the deformation temperature of the memory metal is exceeded, the telescopic elastic pieces are enabled to be stretched simultaneously, the heat-conducting fixing ring plays a role in fixing the telescopic elastic pieces and efficiently transferring heat (the heat-conducting fixing ring is firmly adsorbed on the heat-conducting piece through the magnet in the process), the first plate is pushed to move by matching with the high-flow-velocity washing liquid, the first spring and the side plate are extruded, and after the side plate is melted, the first conductive piece and the second conductive piece are enabled to be in contact with each other after the side plate is moved; on the first hand, one end of a circuit formed by the serially connected ultrasonic vibration elements on the first plate is electrically connected with one pole of a power supply, and one end of a circuit formed by the serially connected ultrasonic vibration elements on the second plate is electrically connected with the other pole of the power supply, so that the first plate and the second plate are serially connected on a closed circuit, the ultrasonic vibration elements automatically start to work, the cavity is cleaned by ultrasonic vibration, the cleaning efficiency is improved, and the cleaning efficiency can be controlled by adjusting the temperature and the flow speed of flushing liquid; in a second aspect, a plurality of flow channels independently facilitating passage of a liquid are formed when a first conductive member and a second conductive member are brought into contact with each other; the flow speed of the washing liquid is reduced through the flow channel, so that the contact time of the washing liquid and the dirt is longer; the cleaning effect is improved, more turbulence is generated, the mixture of the flushing liquid and the dirt is more uniform, and the cleaning effect is further improved.
(III) advantageous effects
1. The shell-type heat exchanger is provided with the cleaning mechanism, and the cavity for entering the material is automatically cleaned according to the temperature and the flow of the cleaning liquid, so that the defects that the cleaning effect is poor, and the operation is time-consuming and labor-consuming due to the fact that the existing shell-type heat exchanger needs to be cleaned by an operator according to the flow of the cleaning liquid and the temperature of the cleaning liquid when the existing shell-type heat exchanger needs to be cleaned by the operator.
2. In the invention, when cleaning is carried out, flushing fluid enters through the material liquid outlet pipe and then flows out through the material liquid inlet pipe to carry out backflushing operation; when the flow of the washing liquid rushes through a preset flow velocity and the temperature of the washing liquid exceeds 80 ℃, the deformation temperature of the memory metal is exceeded, the telescopic elastic pieces are enabled to be stretched simultaneously, the heat-conducting fixing ring plays a role in fixing the telescopic elastic pieces and efficiently transferring heat (the heat-conducting fixing ring is firmly and firstly adsorbed on the heat-conducting pieces through the magnet in the process), the first plate is pushed to move by matching with the high-flow-velocity washing liquid, the first spring and the side plate are extruded, after melting, the side plate is enabled to move, the first conductive piece and the second conductive piece are enabled to be in contact with each other, in addition, the first conductive piece is continuously connected with the conductive sliding piece when moving in the process, and the magnetic block and the first magnetic force cylinder are mutually adsorbed; on the first hand, one end of a circuit formed by the serially connected ultrasonic vibration elements on the first plate is electrically connected with one pole of a power supply, and one end of a circuit formed by the serially connected ultrasonic vibration elements on the second plate is electrically connected with the other pole of the power supply, so that the first plate and the second plate are serially connected on a closed circuit, the ultrasonic vibration elements automatically start to work, the cavity is cleaned by ultrasonic vibration, the cleaning efficiency is improved, and the cleaning efficiency can be controlled by adjusting the temperature and the flow speed of flushing liquid; in a second aspect, a plurality of flow channels are formed to independently facilitate the passage of liquid when the first and second conductive members are in contact with each other; the flow speed of the washing liquid is reduced through the flow channel, so that the contact time of the washing liquid and the dirt is longer; the cleaning effect is improved, more turbulence is generated, the mixture of the flushing liquid and the dirt is more uniform, and the cleaning effect is further improved.
Description of the drawings:
fig. 1 is a sectional structural view of a backflush shell-and-tube heat exchanger of embodiment 1 of the invention;
fig. 2 is a partially enlarged view of a portion a of fig. 1 of the backflush shell and tube heat exchanger of embodiment 2 of the invention;
fig. 3 is a partially enlarged view of part B of fig. 2 of the backflush shell and tube heat exchanger of embodiment 2 of the invention;
FIG. 4 is an assembled structural view of the first electrically conductive member of the back-flushing shell-and-tube heat exchanger of example 2 of this invention separated from the second electrically conductive member;
fig. 5 is an assembly configuration diagram of the first conductive member and the second conductive member of the backflush shell-and-tube heat exchanger of example 2 of the invention when they are in contact.
The figures are numbered:
1. the device comprises a tank body, 2, a partition plate, 3, a heat transfer pipe, 4, a cooling liquid inlet pipe, 5, a cooling liquid outlet pipe, 6, a material inlet pipe, 7, a material outlet pipe, 8, a cleaning mechanism, 9, a lead wire, 10, a first box body, 11, a second box body, 12, a first plate, 13, a second plate, 14, an ultrasonic vibration element, 15, a first conductive piece, 16, a second conductive piece, 17, a first magnetic cylinder, 18, a flow channel, 19, a sliding groove, 20, a magnetic block, 21, a first spring, 22, a telescopic element, 23, a second spring, 24, a heat conducting sheet, 25, a side plate, 26, a telescopic elastic sheet, 27, a heat conducting fixing ring, 28, an adsorption sheet, 29, a perforation, 30, a magnet, 31, a conductive sliding sheet, 32, a flow baffle, 33 and a conductive column.
The specific implementation formula is as follows:
the following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; may be mechanically coupled, directly coupled, or indirectly coupled through an intermediary. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is noted that the front and rear ends of the invention are defined in terms of the direction of transport of the material on the conveyor belt.
Example 1
The technical scheme adopted by the invention is as follows:
as shown in fig. 1, the present invention discloses a back-flushing shell-and-tube heat exchanger, comprising: the cooling device comprises a tank body 1, wherein partition plates 2 are arranged at two ends of the tank body, the tank body is divided into three independent cavities by the two partition plates, a plurality of heat transfer pipes 3 are arranged between the partition plates, and a cooling liquid inlet pipe 4 and a cooling liquid outlet pipe 5 are respectively arranged at two ends of the tank body; a material liquid inlet pipe 6 and a material liquid outlet pipe 7 are respectively arranged on the middle cavity; and a cleaning mechanism 8 is arranged in the middle of the cavity and is used for automatically cleaning the cavity of the entering material according to the temperature and the flow of the cleaning liquid.
Example 2
As shown in fig. 2, fig. 3, fig. 4 and fig. 5, the present invention also discloses a backflush shell-and-tube heat exchanger, comprising: the cooling device comprises a tank body, wherein two ends of the tank body are provided with partition plates, the tank body is divided into three independent cavities by the two partition plates, a plurality of heat transfer pipes are arranged between the partition plates, and two ends of the tank body are respectively provided with a cooling liquid inlet pipe and a cooling liquid outlet pipe; a material liquid inlet pipe and a material liquid outlet pipe are respectively arranged on the middle cavity; and the cleaning mechanism is arranged in the middle of the cavity and used for automatically cleaning the cavity of the entering material according to the temperature and the flow of the cleaning liquid.
A plurality of spoilers 32 are arranged in the middle cavity, and two adjacent spoilers are respectively arranged at the upper side and the lower side of the cavity. The cleaning mechanism comprises a first box body 10 and a second box body 11 which are respectively positioned at two sides of the tank body; the first box body is connected with a first plate 12, and the second box body is connected with a second plate 13. A plurality of ultrasonic vibration elements 14 which are connected in series in sequence through a lead 9 are arranged on the first plate; one end of a circuit formed by the ultrasonic vibration elements connected in series on the first plate is electrically connected with one pole of a power supply; and a first conductive piece 15 electrically connected with the ultrasonic vibration element is arranged at one end of the first plate, which is far away from the power supply.
The second plate is also provided with a plurality of ultrasonic vibration elements which are sequentially connected in series through a lead, and one end of a circuit formed by the ultrasonic vibration elements connected in series on the second plate is electrically connected with the other pole of the power supply; and a second conductive member 16 electrically connected to the ultrasonic vibration element is disposed at one end of the second plate away from the power supply.
A first magnetic cylinder 17 and a conductive column 33 are arranged in one end, close to the power supply, of the first plate, and the conductive column is installed in the center of the first magnetic cylinder; the first and second conductive members are both in the form of a sheet, and the ends of the first and second conductive members are both in the form of a wave, so that when the first and second conductive members contact each other, a plurality of flow channels 18 are formed, which are independent of each other and facilitate the passage of liquid.
A sliding groove 19 is formed in the tank body on one side of the first box body, a telescopic element 22 is arranged in the sliding groove, and one end of the telescopic element is sequentially connected with a first spring 21, a magnetic block 20 and a second spring 23; the bottom of the sliding groove is provided with a heat conducting fin 24 with the top made of iron material; the magnetic block and the first magnetic cylinder are mutually adsorbed.
The telescopic element comprises a pair of side plates 25, a plurality of telescopic elastic pieces 26 which are connected end to end are arranged between the pair of side plates, and the telescopic elastic pieces are V-shaped and made of memory metal. The memory metal transition temperature of this example was 75 ℃. The side plate on the left side can also be fixed in the sliding groove, and the side plate on the right side can be movable.
The bottom of the telescopic elastic sheet is provided with an arc-shaped heat conduction fixing ring 27, the bottom of the heat conduction fixing ring is connected with an adsorption sheet 28, a through hole 29 is formed in the adsorption sheet, the heat conduction fixing ring penetrates through the through hole to be in contact with the heat conduction sheet, and a magnet 30 is arranged in the middle of the adsorption sheet. Sliding tray one side is equipped with the electrically conductive gleitbretter 31 of iron, the electrically conductive gleitbretter of continuous connection when first electrically conductive piece removes, electrically conductive gleitbretter passes through one utmost point of wire intercommunication power.
In the implementation of the embodiment, when cleaning is carried out, a washing liquid enters through the material liquid outlet pipe and then flows out through the material liquid inlet pipe, and backflushing operation is carried out; when the flow of the washing liquid rushes through a preset flow velocity and the temperature of the washing liquid exceeds 80 ℃, the deformation temperature of the memory metal is exceeded, the telescopic elastic pieces are enabled to be stretched simultaneously, the heat-conducting fixing ring plays a role in fixing the telescopic elastic pieces and efficiently transferring heat (the heat-conducting fixing ring is firmly and firstly adsorbed on the heat-conducting pieces through the magnet in the process), the first plate is pushed to move by matching with the high-flow-velocity washing liquid, the first spring and the side plate are extruded, after melting, the side plate is enabled to move, the first conductive piece and the second conductive piece are enabled to be in contact with each other, in addition, the first conductive piece is continuously connected with the conductive sliding piece when moving in the process, and the magnetic block and the first magnetic force cylinder are mutually adsorbed; on the first hand, one end of a circuit formed by the serially connected ultrasonic vibration elements on the first plate is electrically connected with one pole of a power supply, and one end of a circuit formed by the serially connected ultrasonic vibration elements on the second plate is electrically connected with the other pole of the power supply, so that the first plate and the second plate are serially connected on a closed circuit, the ultrasonic vibration elements automatically start to work, the cavity is cleaned by ultrasonic vibration, the cleaning efficiency is improved, and the cleaning efficiency can be controlled by adjusting the temperature and the flow speed of flushing liquid; in a second aspect, a plurality of flow channels independently facilitating passage of a liquid are formed when a first conductive member and a second conductive member are brought into contact with each other; the flow speed of the washing liquid is reduced through the flow channel, so that the contact time of the washing liquid and the dirt is longer; the cleaning effect is improved, more turbulence is generated, the mixture of the flushing liquid and the dirt is more uniform, and the cleaning effect is further improved.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.

Claims (10)

1. A backflush shell and tube heat exchanger, comprising: the cooling device comprises a tank body, wherein two ends of the tank body are provided with partition plates, the tank body is divided into three independent cavities by the two partition plates, a plurality of heat transfer pipes are arranged between the partition plates, and two ends of the tank body are respectively provided with a cooling liquid inlet pipe and a cooling liquid outlet pipe; a material liquid inlet pipe and a material liquid outlet pipe are respectively arranged on the middle cavity; and the cleaning mechanism is arranged in the middle of the cavity and used for automatically cleaning the cavity of the entering material according to the temperature and the flow of the cleaning liquid.
2. A backflush shell and tube heat exchanger as recited in claim 1 wherein a plurality of flow baffles are disposed in the central chamber, adjacent two of the flow baffles being disposed on upper and lower sides of the chamber.
3. A backflush shell and tube heat exchanger as claimed in claim 1 or 2, wherein the purge mechanism comprises first and second cassettes located on either side of the tank; the first box body is connected with a first plate, and the second box body is connected with a second plate.
4. A backflush shell and tube heat exchanger as claimed in claim 3 wherein the first plate member carries a plurality of ultrasonically vibrating members connected in series one after the other by conductive wires; one end of a circuit formed by the ultrasonic vibration elements connected in series on the first plate is electrically connected with one pole of a power supply; one end of the first plate, which is far away from the power supply, is provided with a first conductive piece which is electrically connected with the ultrasonic vibration element.
5. A backflush shell and tube heat exchanger as set forth in claim 4 wherein the second plate similarly carries a plurality of ultrasonically vibrating members connected in series one after the other by conductive wires, the series of ultrasonically vibrating members on the second plate forming a circuit having one end electrically connected to the other pole of the power supply; and one end of the second plate, which is far away from the power supply, is provided with a second conductive piece electrically connected with the ultrasonic vibration element.
6. The backflushing shell and tube heat exchanger of claim 4 wherein the first plate member has a first magnetic cylinder and a conductive post disposed therein at an end thereof adjacent to the power supply, said conductive post being centrally mounted on the first magnetic cylinder; the first conductive piece and the second conductive piece are both in a sheet shape, the tail ends of the first conductive piece and the second conductive piece are both in a wave shape, and when the first conductive piece and the second conductive piece are contacted with each other, a plurality of independent flow channels convenient for liquid to pass through are formed.
7. The backflushing shell and tube heat exchanger of claim 6 wherein a sliding groove is provided in the tank on one side of the first box, a telescopic element is provided in the sliding groove, and a first spring, a magnetic block and a second spring are connected to one end of the telescopic element in sequence; the top of the sliding groove is provided with a heat conducting fin made of iron material; the magnetic block and the first magnetic cylinder are mutually adsorbed.
8. The backflushing shell and tube heat exchanger of claim 7 wherein said telescoping members comprise a pair of side plates with a plurality of telescoping clips mounted end to end between said pair of side plates, said telescoping clips being V-shaped and made of memory metal.
9. The backflushing shell and tube heat exchanger according to claim 8, wherein the bottom of the telescopic elastic sheet is provided with an arc-shaped heat-conducting fixing ring, the bottom of the heat-conducting fixing ring is connected with an adsorption sheet, the adsorption sheet is provided with a through hole, the heat-conducting fixing ring passes through the through hole and contacts with the heat-conducting sheet, and the middle of the adsorption sheet is provided with a magnet.
10. The backflushing shell and tube heat exchanger of claim 9 wherein said slide channel has an electrically conductive wiper on one side thereof, said first electrically conductive member being continuously connected to said electrically conductive wiper during movement thereof, said electrically conductive wiper being connected to one pole of the power source via a wire.
CN202210174853.1A 2021-11-18 2022-02-25 Backflushing shell-and-tube heat exchanger Active CN114526620B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111369502 2021-11-18
CN2021113695028 2021-11-18

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CN114526620A true CN114526620A (en) 2022-05-24
CN114526620B CN114526620B (en) 2023-03-17

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203642749U (en) * 2013-11-25 2014-06-11 河北工程大学 Efficient decontaminating backwash heat exchanger
WO2015026237A1 (en) * 2013-08-20 2015-02-26 Aker Subsea As Subsea heat exchanger, cleaning tool and appurtenant method
CN106225525A (en) * 2016-09-08 2016-12-14 泉州惠安博派信息技术有限公司 A kind of movable cooling arrangement being provided with temperature control induction installation
CN209877751U (en) * 2019-04-04 2019-12-31 大唐华银株洲发电有限公司 Valve plate type back flush cooler
CN113091483A (en) * 2021-03-29 2021-07-09 江苏华兴压力容器有限公司 Visual temperature compensation efficient anti-blocking heat exchanger
CN214276610U (en) * 2020-12-29 2021-09-24 山东林安热能科技有限公司 Flow rate control shell-and-tube heat exchanger

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015026237A1 (en) * 2013-08-20 2015-02-26 Aker Subsea As Subsea heat exchanger, cleaning tool and appurtenant method
CN203642749U (en) * 2013-11-25 2014-06-11 河北工程大学 Efficient decontaminating backwash heat exchanger
CN106225525A (en) * 2016-09-08 2016-12-14 泉州惠安博派信息技术有限公司 A kind of movable cooling arrangement being provided with temperature control induction installation
CN209877751U (en) * 2019-04-04 2019-12-31 大唐华银株洲发电有限公司 Valve plate type back flush cooler
CN214276610U (en) * 2020-12-29 2021-09-24 山东林安热能科技有限公司 Flow rate control shell-and-tube heat exchanger
CN113091483A (en) * 2021-03-29 2021-07-09 江苏华兴压力容器有限公司 Visual temperature compensation efficient anti-blocking heat exchanger

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