CN109443050A - Automatic desludging shell and tube exchanger and control method in a kind of pipe - Google Patents
Automatic desludging shell and tube exchanger and control method in a kind of pipe Download PDFInfo
- Publication number
- CN109443050A CN109443050A CN201811497441.1A CN201811497441A CN109443050A CN 109443050 A CN109443050 A CN 109443050A CN 201811497441 A CN201811497441 A CN 201811497441A CN 109443050 A CN109443050 A CN 109443050A
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- Prior art keywords
- heat exchanger
- tube
- heat
- scale removal
- shell
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- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims description 3
- 238000010297 mechanical methods and process Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- 238000000053 physical method Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-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 otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-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 otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/12—Fluid-propelled scrapers, bullets, or like solid bodies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/003—Control arrangements
Landscapes
- 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)
- Cleaning In General (AREA)
Abstract
The invention discloses automatic desludging shell and tube exchanger and control methods in a kind of pipe, by utilizing physical principle, continuous scale removal is carried out using the mechanical method heat exchanging device inner surface that can constantly recycle, not only it less energy-consuming but also can effectively take out stains, it greatly reduced the influence of dirt heat exchanging device heat exchange property, this programme is different from chemical dirt method, pass through physical method, metal ball in heat exchanger tube is pushed using flow dynamic, so as to remove dirt in pipe effective and energy savingly, ensure device longevity and heat exchange efficiency, it is also different from traditional physics dirt method, any additional instrument is not utilized, metal ball exchange heat pipe inner wall in pipe is pushed to be cleaned with using in-pipe flow energy by optimization heat exchanger tube pipeline configuration, in conjunction with scale removal ball buoyant characteristics, scale removal ball is enabled to carry out shuttling movement in heat exchanger tube, to efficiently , it is energy saving carry out scale removal in pipe, guarantee device longevity and heat exchange efficiency.
Description
Technical field
The invention belongs to field of heat exchangers, automatic desludging shell and tube exchanger and control method in especially a kind of pipe.
Background technique
Under normal circumstances, after heat exchanger operation a period of time, heat transfer wall often has dirt accumulation, this produces heat transfer attached
Heating resistance, declines energy saving, seriously affects heat exchange efficiency.
Since dirt is widely present in industrial various procedures, the normal operation of heat exchange equipment will be seriously interfered,
The huge waste and surprising economic loss for causing the energy are that heat transfer circle extremely pays close attention to and fails the main problem being fully solved
One of, it has got more and more people's extensive concerning to the research of scaling rule.The forming process of Heat Exchanger Fouling is one extremely multiple
The physical chemistry recombination process of miscellaneous energy, quality and momentum transmitting, the presence of dirt are widely used in each industrial enterprise
Heat exchange equipment causes great economy, energy loss, thus fouling problem become heat transfer educational circles and industry very pay close attention to and
So far one of unsolved problem.There is enforcement difficulty is big or the higher limitation of economic cost for existing some scale removal methods
Property, and the still rare document report of more efficient, novel scale removal method.
In the prior art, heat-exchange tube, which is substantially all, does not configure physics apparatus for eliminating sludge, since heat exchanger tube is usually bend pipe,
With the increase for using the time, the scale inside heat-exchange tube is necessarily cumulative, and heat exchange efficiency is just inevitably gradually
It reduces, its performance of the poor heat exchanger tube of certain performances even reduces very fast, and existing heat exchanger tube is finally made not only to exchange heat effect
Rate is low, and service life is short, and cost performance is not high, such as earlier patent application CN106556283A.
Summary of the invention
The case where for the prior art, the purpose of the present invention is to provide a kind of processing, and convenient, at low cost, implementation reliably has
Automatic desludging shell and tube exchanger and control method in the pipe of effect.
In order to realize above-mentioned technical purpose, the technical solution adopted by the present invention are as follows:
Automatic desludging shell and tube exchanger in a kind of pipe comprising heat exchanger shell, heat exchanger tube, scale removal ball, baffle, the first control
Valve and connecting branch；The heat exchanger shell is equipped with water inlet, water outlet, heat transferring medium import and heat transferring medium outlet, institute
The heat exchanger tube stated is set in heat exchanger shell and is equipped with the gap circulated for heat transferring medium between heat exchanger tube and heat exchanger shell；It changes
The both ends of heat pipe are correspondingly connected with the inlet and outlet on heat exchanger shell respectively, and the scale removal ball, which is movably arranged on, to be changed
In heat pipe and the outer diameter of scale removal ball is less than the diameter of heat exchanger tube；The both ends of the connecting branch are connected to the both ends of heat exchanger tube respectively
And first control valve is set on connecting branch and controls the opening and closing of connecting branch, the baffle is set to heat exchanger tube and goes out
One end similar in the mouth of a river and for preventing scale removal ball from deviating from and scale removal ball is guided to enter connecting branch.
Further, the heat exchanger tube is heat exchange metal tube.
Preferably, the heat exchanger tube is copper pipe.
Further, the heat exchanger tube is to wriggle to be arranged in heat exchanger shell.
It further, further include the second control valve, second control valve is arranged on connecting branch.
Preferably, further include controller, first control valve and the second control valve be electrically-controlled valve and with control
Device processed is connected and is controlled by controller.
Further, the heat transferring medium is refrigerant.
Further, the baffle is metal material and the both ends for being fixed on heat exchanger tube, and baffle is equipped with through-hole.
Further, the scale removal ball surface is equipped with nylon brush hair.
A kind of scale removal control method of automatic desludging shell and tube exchanger in pipe comprising following steps:
(1) it will be input in heat exchanger tube to heat exchanging fluid from water inlet, meanwhile, heat transferring medium is input to from heat transferring medium import
It exports in heat exchanger shell and from heat transferring medium and exports, the scale removal ball in heat exchanger tube is by the promotion to heat exchanging fluid and along heat exchanger tube
The fluid channel of formation is pushed to one end close to water outlet, after heat exchanging fluid after heat transferring medium exchanges heat, from scale removal ball with
Gap between heat exchanger tube, which is flowed through, finally to be exported from water outlet, and scale removal ball is by the gear for being set to one end similar in heat exchanger tube and water outlet
Piece constrains and suspends movement；
(2) valve on connecting branch is opened, enable scale removal ball by the guidance of fluid buoyancy and baffle and from connecting branch one end
Heat exchanger tube is entered close to one end of water inlet, the outflow of scale removal ball into connecting branch, and from the outflow of the connecting branch other end
Afterwards, the valve on connecting branch is closed, and is washed away with the scale removal that this completes scale removal ball；
(3) step (1) and step (2) are repeated, realizes the multiple scale removal of heat exchanger tube.
A kind of industrial production system comprising automatic desludging shell and tube exchanger in pipe described above.
The present invention program can be also used for river water source heat pump heat exchanger.
Using above-mentioned technical solution, compared with prior art, the present invention it has the beneficial effect that the present invention program
By utilizing physical principle, continuous scale removal is carried out using the mechanical method heat exchanging device inner surface that can constantly recycle, was both consumed
Energy is small and can effectively take out stains, and greatly reduced the influence of dirt heat exchanging device heat exchange property, this programme is removed with chemistry
Dirt method is different, by physical method, metal ball in heat exchanger tube is pushed using flow dynamic, so as to go effective and energy savingly
Except dirt in pipe, device longevity and heat exchange efficiency are ensured, it is also different from traditional physics dirt method, it does not utilize any additional
Instrument pushes the interior metal ball of pipe to exchange heat pipe inner wall progress clear by optimization heat exchanger tube pipeline configuration and using in-pipe flow energy
It is clean, in conjunction with scale removal ball buoyant characteristics, scale removal ball is enabled to carry out shuttling movement in heat exchanger tube, thus efficiently, energy savingly carry out pipe
Interior scale removal guarantees device longevity and heat exchange efficiency.
Detailed description of the invention
The present invention is further elaborated with reference to the accompanying drawings and detailed description:
Fig. 1 is the schematic diagram of one of brief implementation structure of the present invention program；
Fig. 2 is the brief configuration schematic diagram of the scale removal ball of the present invention program.
Specific embodiment
As shown in Figure 1, automatic desludging shell and tube exchanger in pipe of the present invention comprising heat exchanger shell 5, removes heat exchanger tube 6
Dirty ball 1, baffle 2, the first control valve 3 and connecting branch 7；The heat exchanger shell 5 is equipped with water inlet 51, water outlet 53, changes
Thermal medium inlet 52 and heat transferring medium outlet 54, the heat exchanger tube 6 is set in heat exchanger shell 5 and heat exchanger tube 6 and heat exchanger
The gap circulated for heat transferring medium is equipped between shell 5；The both ends of heat exchanger tube 6 respectively with the water inlet 51 on heat exchanger shell 5
It is correspondingly connected with water outlet 53, the scale removal ball 1 is movably arranged in heat exchanger tube 6 and the outer diameter of scale removal ball 1 is less than heat exchanger tube 6
Diameter；The both ends of the connecting branch 7 are connected to the both ends of heat exchanger tube 6 respectively and first control valve 3 is set to connection
On branch pipe 7 and control the opening and closing of connecting branch 7, the baffle 2 is set to heat exchanger tube 6 and one end similar in water outlet 53 and is used for
It prevents scale removal ball 1 from deviating from and scale removal ball 1 is guided to enter connecting branch 7.
Wherein, in order to improve heat exchange efficiency and service life, the heat exchanger tube 6 is heat exchange metal tube；Preferably, described
Heat exchanger tube 6 be copper pipe, further, the heat exchanger tube 6 be wriggle be arranged in heat exchanger shell 5.
It further include the second control valve 4 further as a kind of preferred implementation, the second control valve 4 setting is even
It connects on branch pipe 7；It preferably, further include controller, first control valve 3 and the second control valve 4 are electrically-controlled valve and
It connect with controller and is controlled by controller, it can be by scale removal ball by the opening and closing of the first control valve 3 of control and the second control valve 4
1 constrains in connecting branch 7.
Further, the heat transferring medium is refrigerant.
Further, the baffle 2 is metal material and the both ends for being fixed on heat exchanger tube, and baffle 2 is equipped with through-hole；In order to
Improve scale removal efficiency and implementation result, as a kind of preferred implementation, further, scale removal ball 1 can be metal material, preferably in
Hollow structure, 1 surface of scale removal ball are equipped with nylon brush hair 11, referring to fig. 2.
Scale removal control method as automatic desludging shell and tube exchanger in a kind of above-mentioned pipe comprising following steps:
(1) it will be input in heat exchanger tube 6 to heat exchanging fluid from water inlet 51, meanwhile, by heat transferring medium from heat transferring medium import 52
It is input in heat exchanger shell 5 and is pushed away from the scale removal ball 1 in 54 output of heat transferring medium outlet, heat exchanger tube 6 by heat exchanging fluid
Dynamic and along the formation of heat exchanger tube 6 fluid channel is pushed to close to one end of water outlet 53, is changed to heat exchanging fluid through heat transferring medium
After heat, the gap between scale removal ball 1 and heat exchanger tube 6, which is flowed through, finally to be exported from water outlet 53, and scale removal ball 1 is by set on heat exchanger tube 6
The constraint of baffle 2 and pause movement with one end similar in water outlet 53；
(2) valve on connecting branch 7 is opened, enable scale removal ball 1 by the guidance of fluid buoyancy and baffle 2 and from connecting branch 7
One end enters in connecting branch 7, and enters heat exchanger tube 6 close to one end of water inlet 51 from the outflow of 7 other end of connecting branch, removes
After dirty ball 1 flows out, the valve on connecting branch 7 is closed, and is washed away with the scale removal that this completes scale removal ball, when on connecting branch 7
Valve when including the first control valve 3 and the second control valve 4, can by the first control valve 3 of control and the opening and closing of the second control valve 4
Scale removal ball 1 to be constrained in connecting branch 7；
(3) step (1) and step (2) are repeated, realizes the multiple scale removal of heat exchanger tube 6.
Extend as a kind of implementation, induction type can be set into the valve on connecting branch 7, and scale removal ball 1 is metal material
When, when scale removal ball 1 is floated by buoyancy or directed force, when touching the induction end on valve, valve automatic opening allows scale removal ball 1
Pass through, when scale removal ball 1 passes through after valve, valve is automatically closed again, and scale removal ball 1 returns to initial position at this time, continues cycling through this
Process.As soon as periodically turning on valve every a a bit of time furthermore it is also possible to set a timing node for the operation of valve
Processing is primary, can effectively avoid the growth of dirt in this way.
The above is the embodiment of the present invention, for the ordinary skill in the art, introduction according to the present invention,
Without departing from the principles and spirit of the present invention all equivalent changes made according to scope of the present invention patent, modification,
Replacement and variant is all covered by the present invention.
Claims (10)
1. automatic desludging shell and tube exchanger in a kind of pipe, it is characterised in that: it include heat exchanger shell, heat exchanger tube, scale removal ball,
Baffle, the first control valve and connecting branch；The heat exchanger shell is equipped with water inlet, water outlet, heat transferring medium import and changes
Thermal medium outlet, the heat exchanger tube are set in heat exchanger shell and are equipped between heat exchanger tube and heat exchanger shell for heat transferring medium
The gap of circulation；The both ends of heat exchanger tube are correspondingly connected with the inlet and outlet on heat exchanger shell respectively, the scale removal
Ball is movably arranged in heat exchanger tube and the outer diameter of scale removal ball is less than the diameter of heat exchanger tube；The both ends of the connecting branch respectively with change
The both ends of heat pipe are connected to and first control valve is set on connecting branch and controls the opening and closing of connecting branch, the baffle
Set on heat exchanger tube with one end similar in water outlet and for preventing scale removal ball from deviating from and scale removal ball being guided to enter connecting branch.
2. automatic desludging shell and tube exchanger in a kind of pipe according to claim 1, it is characterised in that: the heat exchanger tube
For the metal tube that exchanges heat.
3. automatic desludging shell and tube exchanger in a kind of pipe according to claim 2, it is characterised in that: the heat exchanger tube
For copper pipe.
4. automatic desludging shell and tube exchanger in a kind of pipe according to claim 1, it is characterised in that: the heat exchanger tube
It is arranged in heat exchanger shell to wriggle.
5. automatic desludging shell and tube exchanger in a kind of pipe according to claim 1, it is characterised in that: it further includes second
Control valve, second control valve are arranged on connecting branch.
6. automatic desludging shell and tube exchanger in a kind of pipe according to claim 5, it is characterised in that: it further includes control
Device, first control valve and the second control valve are electrically-controlled valve and connect with controller and controlled by controller.
7. automatic desludging shell and tube exchanger in a kind of pipe according to claim 1, it is characterised in that: the heat exchange is situated between
Matter is refrigerant.
8. automatic desludging shell and tube exchanger in a kind of pipe according to claim 1, it is characterised in that: the baffle is
Metal material and the both ends for being fixed on heat exchanger tube, baffle are equipped with through-hole.
9. automatic desludging shell and tube exchanger in a kind of pipe according to claim 1, it is characterised in that: the scale removal ball
Surface is equipped with nylon brush hair.
10. according to claim 1 to the scale removal control method of automatic desludging shell and tube exchanger in a kind of pipe described in one of 9,
It is characterized by: it includes the following steps:
(1) it will be input in heat exchanger tube to heat exchanging fluid from water inlet, meanwhile, heat transferring medium is input to from heat transferring medium import
It exports in heat exchanger shell and from heat transferring medium and exports, the scale removal ball in heat exchanger tube is by the promotion to heat exchanging fluid and along heat exchanger tube
The fluid channel of formation is pushed to one end close to water outlet, after heat exchanging fluid after heat transferring medium exchanges heat, from scale removal ball with
Gap between heat exchanger tube, which is flowed through, finally to be exported from water outlet, and scale removal ball is by the gear for being set to one end similar in heat exchanger tube and water outlet
Piece constrains and suspends movement；
(2) valve on connecting branch is opened, enable scale removal ball by the guidance of fluid buoyancy and baffle and from connecting branch one end
Heat exchanger tube is entered close to one end of water inlet, the outflow of scale removal ball into connecting branch, and from the outflow of the connecting branch other end
Afterwards, the valve on connecting branch is closed, and is washed away with the scale removal that this completes scale removal ball；
(3) step (1) and step (2) are repeated, realizes the multiple scale removal of heat exchanger tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497441.1A CN109443050A (en) | 2018-12-07 | 2018-12-07 | Automatic desludging shell and tube exchanger and control method in a kind of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497441.1A CN109443050A (en) | 2018-12-07 | 2018-12-07 | Automatic desludging shell and tube exchanger and control method in a kind of pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109443050A true CN109443050A (en) | 2019-03-08 |
Family
ID=65557117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811497441.1A Pending CN109443050A (en) | 2018-12-07 | 2018-12-07 | Automatic desludging shell and tube exchanger and control method in a kind of pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109443050A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115950282A (en) * | 2022-12-28 | 2023-04-11 | 湖北华庆石化设备有限公司 | Detachable efficient double-pipe heat exchanger |
| CN116139528A (en) * | 2023-01-29 | 2023-05-23 | 江苏格兰特干燥浓缩设备有限公司 | Oslo cooling crystallizer capable of preventing crystal scale and application method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05280890A (en) * | 1992-04-01 | 1993-10-29 | Kawaju Reinetsu Kogyo Kk | Automatic cleaning apparatus for heat transfer tube |
| JPH1137691A (en) * | 1997-05-21 | 1999-02-12 | Tatsumi Eyaa Eng:Kk | Device and method for cleaning inside of pipe of heat exchanger |
| CN102564214A (en) * | 2012-03-12 | 2012-07-11 | 北京建筑工程学院 | Decontamination system for wastewater heat exchanger |
| CN202382644U (en) * | 2011-12-19 | 2012-08-15 | 上海理工大学 | Descaling heat exchanger |
| CN108592690A (en) * | 2018-07-30 | 2018-09-28 | 张会珍 | A kind of online automatic desludging shell-and-tube heat exchanger |
| CN209279734U (en) * | 2018-12-07 | 2019-08-20 | 福建工程学院 | Automatic desludging shell and tube exchanger in a kind of pipe |
-
2018
- 2018-12-07 CN CN201811497441.1A patent/CN109443050A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05280890A (en) * | 1992-04-01 | 1993-10-29 | Kawaju Reinetsu Kogyo Kk | Automatic cleaning apparatus for heat transfer tube |
| JPH1137691A (en) * | 1997-05-21 | 1999-02-12 | Tatsumi Eyaa Eng:Kk | Device and method for cleaning inside of pipe of heat exchanger |
| CN202382644U (en) * | 2011-12-19 | 2012-08-15 | 上海理工大学 | Descaling heat exchanger |
| CN102564214A (en) * | 2012-03-12 | 2012-07-11 | 北京建筑工程学院 | Decontamination system for wastewater heat exchanger |
| CN108592690A (en) * | 2018-07-30 | 2018-09-28 | 张会珍 | A kind of online automatic desludging shell-and-tube heat exchanger |
| CN209279734U (en) * | 2018-12-07 | 2019-08-20 | 福建工程学院 | Automatic desludging shell and tube exchanger in a kind of pipe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115950282A (en) * | 2022-12-28 | 2023-04-11 | 湖北华庆石化设备有限公司 | Detachable efficient double-pipe heat exchanger |
| CN116139528A (en) * | 2023-01-29 | 2023-05-23 | 江苏格兰特干燥浓缩设备有限公司 | Oslo cooling crystallizer capable of preventing crystal scale and application method thereof |
| CN116139528B (en) * | 2023-01-29 | 2023-09-22 | 江苏格兰特干燥浓缩设备有限公司 | Oslo cooling crystallizer capable of preventing crystal scale and application method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190308 |