CN109269323A - Anti-scaling heat exchanger - Google Patents

Anti-scaling heat exchanger Download PDF

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Publication number
CN109269323A
CN109269323A CN201811008311.7A CN201811008311A CN109269323A CN 109269323 A CN109269323 A CN 109269323A CN 201811008311 A CN201811008311 A CN 201811008311A CN 109269323 A CN109269323 A CN 109269323A
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CN
China
Prior art keywords
fluid
shell
heat exchanger
baffle
end socket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811008311.7A
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Chinese (zh)
Inventor
赵洪飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Pushengyuan Biotechnology Co ltd
Original Assignee
Anhui Pushengyuan Biotechnology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Pushengyuan Biotechnology Co ltd filed Critical Anhui Pushengyuan Biotechnology Co ltd
Priority to CN201811008311.7A priority Critical patent/CN109269323A/en
Publication of CN109269323A publication Critical patent/CN109269323A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F28D7/06Heat-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 having a single U-bend
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/002Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using inserts or attachments
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus

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

Abstract

The invention discloses an anti-scaling heat exchanger which comprises a shell, a first end enclosure, a second end enclosure, a supporting seat, a first fluid inlet, a first fluid outlet, a second fluid inlet, a baffle, a one-way control electromagnetic valve, an electric cabinet, a display screen, a second fluid outlet, a temperature sensor, a tube plate, a rotating mechanism, a baffle plate, a heat exchange tube, a PLC (programmable logic controller) and a storage battery, wherein the first end enclosure is installed on one side of the shell, and the second end enclosure is installed on the other side of the shell; the rotating mechanisms are arranged at the corner where the baffle plate and the shell are connected and the corner where the shell and the tube plate are connected, so that the rotating mechanisms are driven to rotate at the corner under the flowing of fluid, the flow velocity at the corner is accelerated, and scaling is avoided; when the fluid after heat exchange does not reach the preset temperature, the fluid enters the heat exchange tube again through the one-way control electromagnetic valve for heat exchange again, and the circulating heat exchange is formed.

Description

A kind of good antiscale property heat exchanger
Technical field
The present invention relates to energy-saving environmental protection device field, specially a kind of good antiscale property heat exchanger.
Background technique
Heat exchanger is the equipment that the partial heat of hot fluid is passed to cold fluid, also known as heat exchanger.Heat exchanger is being changed It is occupied an important position in work, petroleum, power, food and other many industrial productions, heat exchanger can be used as in Chemical Manufacture Heater, cooler, condenser, evaporator and reboiler etc., are widely used;Heat exchanger be a kind of two kinds in different temperatures or The energy-saving equipment that heat transfer between material is realized between two or more fluids, is that heat is made to pass to temperature by the higher fluid of temperature Lower fluid is spent, fluid temperature (F.T.) is made to reach the index of flow specification, to meet the needs of process conditions, while being also to improve energy One of capital equipment of source utilization rate.
For existing heat exchanger in use process, the handover corner of baffle plate and shell is since fluid flow rate is slow, and its is easy There is scale formation in corner, and the treatment of dirt operation inside heat exchanger is very troublesome;Simultaneously existing heat exchanger into After row heat exchange, not up to the fluid of heat-exchange temperature can not reenter heat exchanger automatically and continue to exchange heat, and have certain office It is sex-limited.
Summary of the invention
The purpose of the present invention is to provide a kind of good antiscale property heat exchangers, in order to overcome above-mentioned technical problem, can pass through The handover corner and shell of baffle plate and shell and tube sheet corner are provided with rotating mechanism, the band under the flowing of fluid Dynamic rotating mechanism is rotated in corner, is accelerated the flow velocity of corner, is avoided the occurrence of fouling;Fluid after heat exchange does not reach predetermined temperature When spending, heat exchanger tube is reentered by unidirectionally controlled solenoid valve and is exchanged heat again, forms cycle heat exchange.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of good antiscale property heat exchanger, including shell, the first end socket, the second end socket, support base, first fluid import, first Fluid outlet, second fluid import, baffle, unidirectionally controlled solenoid valve, electric cabinet, display screen, second fluid outlet, temperature sensing Device, tube sheet, rotating mechanism, baffle plate, heat exchanger tube, PLC controller and battery, the shell side are equipped with the first end socket, The shell other side is equipped with the second end socket, and the housing bottom two sides, which are symmetrically welded, is equipped with support base, the shell top Portion side is equipped with first fluid import, and first fluid outlet, first envelope are equipped at the center of second end socket side First lateral roof is equipped with second fluid import, and one side bottom of the first end socket is equipped with second fluid and exports, and described second Fluid outlet side is equipped with electric cabinet, and the electric cabinet side is provided with display screen, water at the first end socket inside center It is flat to be provided with baffle, unidirectionally controlled solenoid valve is installed at the baffle interior center, inside first end socket and is located at gear Board bottom portion is equipped with temperature sensor, the baffle side and is located at enclosure interior and is equipped with tube sheet, the tube sheet side installation There are several heat exchanger tubes, is evenly arranged with baffle at the top and bottom of the case inside, and heat exchanger tube sequentially passes through baffle, it is described Enclosure interior and it is located at baffle and housing junction two sides and is provided with rotating mechanism, PLC control is installed inside the electric cabinet Device inside the electric cabinet and is located at PLC controller bottom side and is equipped with battery;
The rotating mechanism includes shaft, rotating vane and bearing, is uniformly equipped with rotating vane, the shaft two on the outside of the shaft End cap, which connects, is equipped with bearing, and bearing installation is on the inner wall of the housing.
As a further solution of the present invention: the shell and the first end socket pass through flanged joint, the shell and second End socket passes through flanged joint.
As a further solution of the present invention: the temperature sensor is electrically connected PLC controller, the PLC controller It is electrically connected unidirectionally controlled solenoid valve and display screen.
As a further solution of the present invention: the shell and support seating face surrounding are provided with reinforcing rib, the branch Support seat bottom is provided with rubber pad.
As a further solution of the present invention: the first fluid import, first fluid outlet, second fluid import and the Two fluid outlets pass through flange respectively and connect with extraneous pipeline, first fluid import bottom and are provided with positioned at enclosure interior Impingement baffle.
As a further solution of the present invention: the use operating procedure of the heat exchanger are as follows:
Step 1: first fluid import and first fluid outlet are connect with extraneous first fluid pipeline, by second fluid Import and second fluid outlet are connect with extraneous second fluid pipeline, start to exchange heat after connection;
Step 2, first fluid and second fluid have temperature difference, and first fluid enters after shell along by shell and folding The fluid path that flowing plate is constituted, finally exports from first fluid and is discharged, and second fluid enters that shell is intracorporal to be changed by tube sheet Heat pipe, in shell and first fluid is completed to be discharged after heat transfer reaches predetermined temperature from second fluid outlet;
Step 3: temperature is required when second fluid temperature is not up to, reenters heat exchanger tube by unidirectionally controlled solenoid valve Interior completion heat exchange.
Beneficial effects of the present invention: the present invention is designed by reasonable structure, the handover corner of baffle plate and shell with And shell and tube sheet corner are provided with rotating mechanism, to rotating vane one work of one side section of shaft under the mobilization of fluid Firmly, and then shaft and rotating vane is driven to rotate in corner, accelerates the flow velocity of corner, avoids the occurrence of fouling;After heat exchange When fluid does not reach predetermined temperature after temperature sensor measurement, temperature sensor feeds back to PLC controller, and PLC controller will Temperature display on a display screen while open unidirectionally controlled solenoid valve, fluid is reentered again by unidirectionally controlled solenoid valve It realizes and exchanges heat into heat exchanger tube, form cycle heat exchange until being convenient for practical operation by reaching predetermined temperature when temperature sensor The middle temperature for guaranteeing fluid.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is overall structure of the present invention.
Fig. 2 is inventive shell schematic diagram of internal structure.
Fig. 3 is electric cabinet schematic diagram of internal structure of the present invention.
Fig. 4 is rotating mechanism structural schematic diagram of the present invention.
In figure: 1, shell;2, the first end socket;3, the second end socket;4, support base;5, first fluid import;6, first fluid Outlet;7, second fluid import;8, baffle;9, unidirectionally controlled solenoid valve;10, electric cabinet;11, display screen;12, second fluid goes out Mouthful;13, temperature sensor;14, tube sheet;15, rotating mechanism;16, baffle plate;17, heat exchanger tube;18, PLC controller;19, electric power storage Pond;20, shaft;21, rotating vane;22, bearing;
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected Range.
As shown in Figs 1-4, a kind of good antiscale property heat exchanger, including shell 1, the first end socket 2, the second end socket 3, support base 4, One fluid inlet 5, first fluid export 6, second fluid import 7, baffle 8, unidirectionally controlled solenoid valve 9, electric cabinet 10, display screen 11, second fluid exports 12, temperature sensor 13, tube sheet 14, rotating mechanism 15, baffle plate 16, heat exchanger tube 17, PLC controller 18 and battery 19,1 side of shell the first end socket 2 is installed, 1 other side of shell is equipped with the second end socket 3,1 bottom two of shell Side, which is symmetrically welded, is equipped with support base 4, and 1 top side of shell is equipped with first fluid import 5, at 3 side center of the second end socket First fluid outlet 6 is installed, 2 one lateral roof of the first end socket is equipped with second fluid import 7,2 one side bottom of the first end socket peace Equipped with second fluid outlet 12, second fluid exports 12 sides and is equipped with electric cabinet 10, and 10 side of electric cabinet is provided with display screen 11, being horizontally disposed at 2 inside center of the first end socket has baffle 8, and unidirectionally controlled solenoid valve 9 is equipped at 8 inside center of baffle, the The inside of one end socket 2 and it is located at 8 bottom of baffle temperature sensor 13 is installed, 8 side of baffle and is located inside shell 1 pipe is installed Plate 14,14 side of tube sheet are equipped with several heat exchanger tubes 17, and 1 inside top of shell and bottom are evenly arranged with baffle 8, and exchange heat Pipe 17 sequentially passes through baffle 8,1 inside of shell and is located at baffle 8 and 1 junction two sides of shell are provided with rotating mechanism 15, automatically controlled PLC controller 18 is installed inside case 10,10 inside of electric cabinet and is located at 18 bottom side of PLC controller battery 19 is installed;
Rotating mechanism 15 includes shaft 20, rotating vane 21 and bearing 22, and 20 outside of shaft is uniformly equipped with rotating vane 21, shaft 20 Both ends socket is equipped with bearing 22, and bearing 22 is mounted on 1 inner wall of shell.
Shell 1 and the first end socket 2 pass through flanged joint, shell 1 and the second end socket 3 by flanged joint, are convenient for inter-module Installation and removal.
Temperature sensor 13 is electrically connected PLC controller 18, and PLC controller 18 is electrically connected unidirectionally controlled 9 He of solenoid valve Display screen 11 convenient for understanding fluid temperature (F.T.) in time, while automatically controlling the unidirectionally controlled closure of solenoid valve 9 to form cycle heat exchange.
Shell 1 and 4 surface surrounding of support base are provided with reinforcing rib, play reinforcement support protective effect, 4 bottom of support base It is provided with rubber pad, plays cushioning buffer effect.
First fluid import 5, first fluid outlet 6, second fluid import 7 and second fluid outlet 12 pass through flange respectively It is connect with extraneous pipeline, convenient for connect with extraneous pipeline, facilitates operation, 5 bottom of first fluid import and set inside shell 1 It is equipped with impingement baffle, plays buffer protection function, avoids first fluid impact force excessive.
The use operating procedure of the heat exchanger are as follows:
Step 1: first fluid import 5 and first fluid outlet 6 are connect with extraneous first fluid pipeline, by second Body import 7 and second fluid outlet 12 are connect with extraneous second fluid pipeline, start to exchange heat after connection;
Step 2, first fluid and second fluid have temperature difference, and first fluid enters after shell 1 along by 1 He of shell The fluid path that baffle plate 16 is constituted, finally from 6 discharge of first fluid outlet, second fluid enters shell by tube sheet 14 Heat exchanger tube 17 in 1, in shell 1 and first fluid completes heat transfer and reaches to export 12 rows from second fluid after predetermined temperature Out;
Step 3: temperature is required when second fluid temperature is not up to, reenters heat exchanger tube by unidirectionally controlled solenoid valve 9 Heat exchange is completed in 17.
The working principle of the invention: first fluid import 5, first fluid outlet 6, second fluid import 7 and second fluid Outlet 12 is connect by flange with extraneous pipeline respectively, first fluid enter shell 1 it is interior under the action of baffle plate 16 along folding The channel that flowing plate 16 and shell 1 are constituted is mobile, and second fluid is entered in heat exchanger tube 17 by tube sheet 14, with first in shell 1 Fluid exchanges heat, and after heat exchange, first fluid enters the first end socket 2 and be located at from 6 discharge of first fluid outlet, second fluid In the space of 8 bottom of baffle, if when not reaching predetermined temperature after the measurement of temperature sensor 13, temperature sensor 13 is fed back to The PLC controller 18 of the PLC controller 18 of FP-XC14T model, FP-XC14T model is same on display screen 11 by temperature display When open unidirectionally controlled solenoid valve 9, fluid reenters the first end socket 2 by unidirectionally controlled solenoid valve 9 and is located at the top of baffle 8 It is again introduced into heat exchanger tube 17 in space and realizes heat exchange.
The present invention is designed by reasonable structure, the handover corner of baffle plate and shell and shell and tube sheet corner It is provided with rotating mechanism, one active force of rotating vane of one side section of shaft is given under the mobilization of fluid, and then drive shaft It is rotated with rotating vane in corner, accelerates the flow velocity of corner, avoid the occurrence of fouling;Fluid after heat exchange passes through temperature sensor When not reaching predetermined temperature after measurement, temperature sensor feeds back to PLC controller, PLC controller by temperature display on a display screen While open unidirectionally controlled solenoid valve, fluid is reentered by unidirectionally controlled solenoid valve to be again introduced into heat exchanger tube realization and changes Heat forms cycle heat exchange until by reaching predetermined temperature when temperature sensor, convenient for guaranteeing the temperature of fluid in practical operation.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example. Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification, It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only It is limited by claims and its full scope and equivalent.

Claims (6)

1. a kind of good antiscale property heat exchanger, which is characterized in that including shell (1), the first end socket (2), the second end socket (3), support base (4), first fluid import (5), first fluid export (6), second fluid import (7), baffle (8), unidirectionally controlled solenoid valve (9), electric cabinet (10), display screen (11), second fluid export (12), temperature sensor (13), tube sheet (14), rotating mechanism (15), baffle plate (16), heat exchanger tube (17), PLC controller (18) and battery (19), shell (1) side are equipped with One end socket (2), shell (1) other side are equipped with the second end socket (3), and shell (1) two sides of the bottom are symmetrically welded installation Have support base (4), shell (1) top side is equipped with first fluid import (5), the second end socket (3) side center Place is equipped with first fluid outlet (6), and (2) one lateral roof of the first end socket is equipped with second fluid import (7), and described first (2) one side bottom of end socket is equipped with second fluid outlet (12), and the second fluid outlet (12) side is equipped with electric cabinet (10), electric cabinet (10) side is provided with display screen (11), and being horizontally disposed at the first end socket (2) inside center has gear Plate (8) is equipped with unidirectionally controlled solenoid valve (9) at baffle (8) inside center, and first end socket (2) is internal and is located at Baffle (8) bottom is equipped with temperature sensor (13), baffle (8) side and be located at shell (1) inside tube sheet is installed (14), tube sheet (14) side is equipped with several heat exchanger tubes (17), and shell (1) inside top and bottom are uniformly arranged Have baffle (8), and heat exchanger tube (17) sequentially passes through baffle (8), the shell (1) is internal and is located at baffle (8) and shell (1) even The place of connecing two sides are provided with rotating mechanism (15), are equipped with PLC controller (18), the electric cabinet inside the electric cabinet (10) (10) battery (19) are installed inside and positioned at PLC controller (18) bottom side;
The rotating mechanism (15) includes shaft (20), rotating vane (21) and bearing (22), uniformly installation on the outside of the shaft (20) Have rotating vane (21), shaft (20) the both ends socket is equipped with bearing (22), and bearing (22) is mounted on shell (1) inner wall.
2. a kind of good antiscale property heat exchanger according to claim 1, which is characterized in that the shell (1) and the first end socket (2) By flanged joint, the shell (1) and the second end socket (3) pass through flanged joint.
3. a kind of good antiscale property heat exchanger according to claim 1, which is characterized in that the temperature sensor (13) electrically connects It connects PLC controller (18), the PLC controller (18) is electrically connected unidirectionally controlled solenoid valve (9) and display screen (11).
4. a kind of good antiscale property heat exchanger according to claim 1, which is characterized in that the shell (1) and support base (4) table Face surrounding is provided with reinforcing rib, and support base (4) bottom is provided with rubber pad.
5. a kind of good antiscale property heat exchanger according to claim 1, which is characterized in that the first fluid import (5), first Fluid outlet (6), second fluid import (7) and second fluid outlet (12) are connect by flange with extraneous pipeline respectively, described First fluid import (5) bottom and be located at shell (1) be internally provided with impingement baffle.
6. a kind of good antiscale property heat exchanger according to claim 1, which is characterized in that the use operating procedure of the heat exchanger Are as follows:
Step 1: first fluid import (5) and first fluid outlet (6) are connect with extraneous first fluid pipeline, by second Body import (7) and second fluid outlet (12) are connect with extraneous second fluid pipeline, start to exchange heat after connection;
Step 2, first fluid and second fluid have a temperature difference, first fluid enter after shell (1) along by shell (1) and Baffle plate (16) constitute fluid path, finally from first fluid outlet (6) be discharged, second fluid by tube sheet (14) into Enter the heat exchanger tube (17) in shell (1), completes heat transfer with first fluid and reach after predetermined temperature from second in the shell (1) Fluid outlet (12) discharge;
Step 3: temperature is required when second fluid temperature is not up to, reenters heat exchanger tube by unidirectionally controlled solenoid valve (9) (17) heat exchange is completed in.
CN201811008311.7A 2018-08-31 2018-08-31 Anti-scaling heat exchanger Pending CN109269323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811008311.7A CN109269323A (en) 2018-08-31 2018-08-31 Anti-scaling heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811008311.7A CN109269323A (en) 2018-08-31 2018-08-31 Anti-scaling heat exchanger

Publications (1)

Publication Number Publication Date
CN109269323A true CN109269323A (en) 2019-01-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110332840A (en) * 2019-06-28 2019-10-15 南京工程学院 A kind of stage temperature control pass heat exchanger

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Publication number Priority date Publication date Assignee Title
JPS6363089A (en) * 1986-09-03 1988-03-19 工業技術院長 Enhancement display device
CN101329142A (en) * 2007-06-21 2008-12-24 株式会社T.Rad EGR cooler
CN201628513U (en) * 2009-12-16 2010-11-10 北京化工大学 Autorotation rotor connecting structure in heat exchange tube
CN102564169A (en) * 2012-02-28 2012-07-11 华北电力大学 Baffle shell-and-tube heat exchanger for ADS (accelerator-driven system) reactor
CN203240946U (en) * 2013-04-12 2013-10-16 中国石油大学(华东) Arced baffle heat exchanger
CN105202949A (en) * 2015-10-15 2015-12-30 上海锅炉厂有限公司 Controllable-temperature self-cooling protection high-temperature U-tube evaporator
CN206339131U (en) * 2016-12-28 2017-07-18 山东三润给水设备科技有限公司 A kind of circulation hot switching equipment
CN206479076U (en) * 2017-02-23 2017-09-08 张小莎 One kind vortex dirt eliminating sewage heat exchanger
CN206556468U (en) * 2017-01-19 2017-10-13 杨忠 A kind of many tube sheet leakage-proof petrochemical industry condensers
CN206905595U (en) * 2017-05-25 2018-01-19 青岛海德罗奥爱克斯工业水处理有限公司 A kind of boiler water-cooling apparatus

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6363089A (en) * 1986-09-03 1988-03-19 工業技術院長 Enhancement display device
CN101329142A (en) * 2007-06-21 2008-12-24 株式会社T.Rad EGR cooler
CN201628513U (en) * 2009-12-16 2010-11-10 北京化工大学 Autorotation rotor connecting structure in heat exchange tube
CN102564169A (en) * 2012-02-28 2012-07-11 华北电力大学 Baffle shell-and-tube heat exchanger for ADS (accelerator-driven system) reactor
CN203240946U (en) * 2013-04-12 2013-10-16 中国石油大学(华东) Arced baffle heat exchanger
CN105202949A (en) * 2015-10-15 2015-12-30 上海锅炉厂有限公司 Controllable-temperature self-cooling protection high-temperature U-tube evaporator
CN206339131U (en) * 2016-12-28 2017-07-18 山东三润给水设备科技有限公司 A kind of circulation hot switching equipment
CN206556468U (en) * 2017-01-19 2017-10-13 杨忠 A kind of many tube sheet leakage-proof petrochemical industry condensers
CN206479076U (en) * 2017-02-23 2017-09-08 张小莎 One kind vortex dirt eliminating sewage heat exchanger
CN206905595U (en) * 2017-05-25 2018-01-19 青岛海德罗奥爱克斯工业水处理有限公司 A kind of boiler water-cooling apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110332840A (en) * 2019-06-28 2019-10-15 南京工程学院 A kind of stage temperature control pass heat exchanger

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Application publication date: 20190125

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