CN109338077A - A kind of concentrating type prestressing force elongation heating system for rapid-cooling heat exchanger - Google Patents
A kind of concentrating type prestressing force elongation heating system for rapid-cooling heat exchanger Download PDFInfo
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- CN109338077A CN109338077A CN201811070394.2A CN201811070394A CN109338077A CN 109338077 A CN109338077 A CN 109338077A CN 201811070394 A CN201811070394 A CN 201811070394A CN 109338077 A CN109338077 A CN 109338077A
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- heat exchanger
- elongation
- heating
- control module
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 106
- 238000001816 cooling Methods 0.000 title claims abstract description 45
- 206010037660 Pyrexia Diseases 0.000 claims abstract description 4
- 230000000875 corresponding effect Effects 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 4
- 230000002596 correlated effect Effects 0.000 claims description 4
- 230000006870 function Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
Abstract
The present invention provides a kind of concentrating type prestressing force elongation heating system for rapid-cooling heat exchanger, collect control module including intelligence, multiple control modules, multiple heating toolings and multiple elongation measuring devices, the intelligence collection control module is separately connected each control module, each control module is separately connected a heating tooling and an elongation measuring device, the intelligence collection control module enables each control module control heating tooling fever connected to it respectively, so that protruding into each heat exchanger tube of heating tooling by thermal stretching, and each control module is enabled according to the elongation data of elongation measuring device feedback accurately to control each calorific value for heating tooling, the elongation of each heat exchanger tube of heating tooling is protruded into accurate control, it thus can accurately control the elongation for protruding into each heat exchanger tube of heating tooling, to avoid heat exchanger tube Prestressing force elongation there is deviation.
Description
Technical field
The present invention relates to rapid-cooling heat exchanger manufacturing field, in particular to a kind of concentrating type prestressing force for rapid-cooling heat exchanger
Extend heating system.
Background technique
Rapid-cooling heat exchanger can be quickly cooled down the cracking stock after Pintsch process, to prevent the generation of secondary response, chilling
Heat exchanger is one of key equipment of pyrolysis furnace.On pyrolysis furnace, the arrangement of rapid-cooling heat exchanger generallys use the heat exchange of single-stage chilling
Device or multistage rapid-cooling heat exchanger, single-stage are exactly only level-one heat exchange, and multistage is exactly two-stage even three-level heat exchange.Single-stage chilling
Heat exchanger has the characteristics that pressure drop is low, arrangement is simple；Multistage rapid-cooling heat exchanger is high with yield of ethene, secondary response suspension is fast,
The more feature of extra high pressure steam recycling, wherein second level rapid-cooling heat exchanger is generally board-like rapid-cooling heat exchanger, is mainly entered by cracking gas
Mouthful header, rapid-cooling heat exchanger shell, cracking gas outlet header, heat exchanger tube, front tube sheet, back tube sheet, baffle plate, rise pipe fitting,
Decline the composition such as pipe fitting.There are more heat exchanger tubes in rapid-cooling heat exchanger shell, rapid-cooling heat exchanger shell and heat exchanger tube pass through front and back
Tube sheet connection, when work, are passed through Pintsch process gas into heat exchanger tube, are passed through cooling between heat exchanger tube and rapid-cooling heat exchanger shell
Medium realizes the rapid cooling to Pintsch process gas under the action of cooling medium.At high temperature, heat exchanger tube and rapid-cooling heat exchanger
Shell can expand elongation, but since the medium temperature difference in heat exchanger tube, rapid-cooling heat exchanger shell is larger, and the elongation of heat exchanger tube can be big
In the elongation of rapid-cooling heat exchanger shell, on the other hand it is easy to make heat exchanger tube in this way there is also temperature difference between more heat exchanger tubes
Link position between the tube sheet of front and back forms biggish temperature stress, cracks so as to cause heat exchanger tube, even results in and changes
The phenomenon that heat pipe is broken.
To avoid heat exchanger tube from cracking or being broken, needs to exchange heat pipe and carry out prestressing force elongation to reduce heat exchanger tube and urgency
The elongation of cold heat exchanger shell is poor.It is that hot wind is blown into all change that exchange heat pipe, which carries out the main method of prestressing force elongation, at present
Heat pipe heats the pre-stretching to realize exchange heat pipe simultaneously to all heat exchanger tubes, then exchanges heat pipe and welded, and this method is realized
Simply, but temperature control precision is not high, and the non-uniform temperature between each heat exchanger tube.Another method is in every heat exchanger tube
Heating tooling is protruded into hole, but the method is only used in the case where number of heat exchange tubes is less, such as Patent No. CN 102489908A
Chinese invention patent rapid-cooling heat exchanger prestressing force disclosed on June 13rd, 2012 extend heating device, be exactly be applied to it is single
The prestressing force of root heat exchanger tube extends heating device, if it is desired to the number of heat exchange tubes for heating elongation simultaneously reaches certain amount, such as
60, then the temperature between heat exchanger tube can interfere with each other, and the heat especially in the heat exchanger tube of lower section can be influenced toward uploading
The temperature of square heat exchanger tube, therefore more heat exchanger tubes are carried out simultaneously using above-mentioned rapid-cooling heat exchanger prestressing force elongation heating device
If prestressing force extends, it will lead to prestressing force elongation and deviation occur.
Summary of the invention
The technical problem to be solved in the present invention is to provide one kind when carrying out prestressing force elongation to more heat exchanger tubes, is avoided that
There is the prestressing force elongation heating device of deviation in prestressing force elongation.
In order to solve the above technical problem, the present invention provides a kind of concentrating type prestressing force elongations for rapid-cooling heat exchanger to add
Hot systems, including intelligence collection control module, multiple control modules, multiple heating toolings and multiple elongation measuring devices, the intelligence
Control module can be collected and be separately connected each control module, each control module is separately connected a heating tooling and an elongation measures
Device is measured, the intelligence collection control module includes memory and processor, wherein the memory is stored with computer program, it is described
It can be realized following steps when computer program is executed by processor:
Each control module is enabled to control heating tooling fever connected to it respectively, so that protruding into each of heating tooling
A heat exchanger tube is enabled each control module according to the elongation data of elongation measuring device feedback accurately to control by thermal stretching
The calorific value of each heating tooling, the elongation of each heat exchanger tube of heating tooling is protruded into accurate control, wherein elongation
The elongation data of measuring device feedback and the calorific value of heating tooling are positively correlated.
Preferably, the heating tooling includes heating rod, fixed sleeving, fixed plate and fixed screw, the fixed plate weldering
On fixed sleeving, the fixed screw is for adjusting tightness of the fixing sleeve pipe sleeve on heating rod.
Preferably, the end casing that is welded on the heating rod to avoid heating rod excessively protrudes into heat exchanger tube.
Preferably, the control module includes sequentially connected intelligent temperature controller, solid-state relay, refrigerating module and power-off
Device, the intelligent temperature controller according to elongation measuring device feed back elongation data export corresponding level signal to solid-state after
Electric appliance, solid-state relay according to receive level signal control circuit breaker on-off, thus control the on-off of refrigerating module with
The calorific value of control heating tooling.
Preferably, the elongation measuring device use Linear displacement transducer, the Linear displacement transducer it is movable
Brush is connected with the outside of heat exchanger tube.
Preferably, the intelligence collection control module includes network connecting module, and the intelligence collection control module can pass through the net
Network link block is connected to the network with mobile terminal.
It preferably, further include collecting the CRT monitor controlling module and connecting with intelligence, described in the CRT monitor real-time display
Heat the temperature data of tooling and the elongation data of the heat exchanger tube.
It preferably, further include collecting the printer that control module is connect with intelligence, the printing function is the heating tooling
The elongation data-printing of temperature data and the heat exchanger tube comes out.
It preferably, further include collecting the alarm system that control module is connect with intelligence, the alarm system is in the heat exchanger tube
Elongation exception alarm.
It preferably, further include intermediate connection vehicle, the intermediate connection vehicle is equipped with quantity and is no less than the quick of control module
Combination hub, the heating tooling and elongation measuring device are connect by the intermediate vehicle that connects with control module.
The invention has the following advantages: intelligence collection control module enables when carrying out prestressing force elongation to more heat exchanger tubes
Each control module controls heating tooling fever connected to it, and enables each control module according to elongation measuring device feedback
Elongation data come accurately control it is each heating tooling calorific value, thus can accurately control protrude into heating tooling it is each
The elongation of a heat exchanger tube, so that the prestressing force elongation of heat exchanger tube be avoided deviation occur.
Detailed description of the invention
When Fig. 1 is the concentrating type prestressing force elongation heating system exchange heat pipe progress prestressing force elongation for rapid-cooling heat exchanger
Structural schematic block diagram；
Fig. 2 is the structural schematic diagram for heating tooling；
Fig. 3 is the structural schematic block diagram of control module connection heating tooling；
The set of heat exchange tubes that Fig. 4 carries out after prestressing force elongation is welded in the structural schematic diagram on rapid-cooling heat exchanger.
Description of symbols: intelligently collection controls module to 1-；2- control module；21- intelligent temperature controller；22- solid-state relay；
23- circuit breaker；24- cooling system；3- heats tooling；31- heating rod；32- fixed sleeving；33- fixed plate；34- fixed screw；
35- end casing；4- extends measuring device；5- heat exchanger tube；6- mobile terminal；7-CRT display；8- printer；9- alarm system
System；10- shell；11- front tube sheet；12- back tube sheet.
Specific embodiment
The invention will be further described with the following Examples.
As shown in Figure 1, the concentrating type prestressing force elongation heating system for rapid-cooling heat exchanger includes that intelligence collection controls 1 He of part
Multiple heating modules, the quantity of heating module are equal to the quantity of the heat exchanger tube 5 of rapid-cooling heat exchanger, and each heating module includes one
2, heating toolings 3 of control module and an elongation measuring device 4, are needing each heat exchanger tube 5 to rapid-cooling heat exchanger
When carrying out prestressing force elongation, each heating tooling 3 is respectively protruding into the inside of each heat exchanger tube 5, each elongation measuring device 4
It is separately connected the outside of each heat exchanger tube 5, the heating tooling 3 on same root heat exchanger tube 5 and elongation measuring device 4 connect same
A control module 2.
The structure of tooling 3 is heated as shown in Fig. 2, including heating rod 31 and multiple fixing tools, heating rod 31 passes through multiple
Fixing tool is conveniently and efficiently installed to the inside of heat exchanger tube 5, specifically, each fixing tool include a fixed sleeving 32,
One fixed plate 33 and a fixed screw 34, fixed plate 33 are welded on fixed sleeving 32, and fixed screw 34 is solid for adjusting
Determine 32 sets of the casing tightness on heating rod 31.Fixed screw 34 is tightened then fixed sleeving 32 and is locked in heating rod by worker
On 31, heating tooling 3 in this way is behind the inside for protruding into heat exchanger tube 5, and fixed plate 33 can withstand the inner wall of heat exchanger tube 5 so that heating
Tooling 3 can be firmly mounted to the inside of heat exchanger tube 5；Fixed screw 34 is unscrewed then fixed sleeving 32 by worker can be in heating rod 31
On move axially into any position, such worker is just convenient to replacement and is welded have the fixing sleeve of various sizes of fixed plate 33
Pipe 32, so that heating tooling 3 adapts to the heat exchanger tube 5 of different inner diameters.Also being welded in heating tooling 3 has end casing 35, in handle
When heating tooling 3 extend into 5 inside of heat exchanger tube, end casing 35 can be against the nozzle of heat exchanger tube 5, to avoid heat exchanger tube 5 is extend into
Internal heating rod 31 is too long to cause heating rod 31 to be withstood and bending.
As shown in figure 3, control module 2 includes sequentially connected intelligent temperature controller 21, solid-state relay 22,23 and of circuit breaker
Refrigerating module 24, the intelligent temperature controller connection intelligence collection control module, heating tooling and elongation measuring device, the intelligent temperature
Control instrument 21 exports corresponding level signal to solid-state relay 22 according to the elongation data that elongation measuring device 4 is fed back, Gu
State relay 22 controls the on-off of circuit breaker 23 according to the level signal received, to control the on-off of refrigerating module 24 to control
The calorific value of system heating tooling 3, such as: if the elongation data that elongation measuring device 4 is fed back are greater than 20cm, intelligent temperature control
The level signal that instrument 21 exports is high level signal (the elongation data and heating tooling 3 fed back due to elongation measuring device 4
Calorific value be positively correlated, high level signal means that the calorific value of heating rod 31 is excessive), solid-state relay 22 receives the height
It controls circuit breaker 23 after level signal to be connected, to control the conducting of refrigerating module 24 to reduce the calorific value of heating tooling 3；If stretching
The elongation data that long measuring device 4 is fed back are not more than 20cm, then the level signal that intelligent temperature controller 21 exports is low level
(the elongation data and the calorific value of heating tooling 3 fed back due to elongation measuring device 4 are positively correlated signal, low level letter
It is excessive number to mean that the calorific value of heating rod 31 does not have), solid-state relay 22 controls circuit breaker after receiving the low level signal
23 disconnect, and disconnect to control refrigerating module 24 not reduce the calorific value of heating tooling 3.
In the present embodiment, elongation measuring device 4 uses Linear displacement transducer, the movable brush of Linear displacement transducer
It is connected with the outside of heat exchanger tube 5, the relative shift of such Linear displacement transducer and its movable brush is stretching for heat exchanger tube
Long amount.
In the present embodiment, intelligence collection control module 1 includes network connecting module (not shown), and intelligence collection control module 1 can
It is connected to the network by network connecting module and mobile terminal 6, so that worker can remotely control be intelligent by mobile terminal 6
Collection control module, wherein mobile terminal 6 can be mobile phone, tablet computer etc..
In the present embodiment, concentrating type prestressing force elongation heating system further includes collecting the CRT that control module 1 is connect with intelligence to show
Device 7, intelligence collection control module 1 can control the temperature data of 7 real-time display of CRT monitor heating tooling 3 and the elongation of heat exchanger tube 5
Data.
In the present embodiment, concentrating type prestressing force elongation heating system further includes collecting the printer that control module 1 is connect with intelligence
8, intelligence collection control module 1 can control printer 8 and the temperature data of heating tooling 3 and the elongation data-printing of heat exchanger tube 5 gone out
Come.
In the present embodiment, concentrating type prestressing force elongation heating system further includes intermediate connection vehicle (not shown), described
Centre connection vehicle is equipped with the quick combination hub that quantity is no less than control module, the heating tooling 3 and elongation measuring device 4
It connects vehicle by centre to connect with control module 2, so that connection is more convenient.
In the present embodiment, concentrating type prestressing force elongation heating system further includes collecting the alarm system that control module 1 is connect with intelligence
System 9, in the elongation data exception of heat exchanger tube 5, intelligence collection control module 1 can control alarm system 9 and alarm to worker.
Each heat exchanger tube 5 of rapid-cooling heat exchanger is carried out in the concentrating type prestressing force elongation heating system using the present embodiment
Before prestressing force elongation, worker is first inserted into a heating tooling 3 from the same end of each heat exchanger tube 5, then each heat exchanger tube 5 outside
Portion connects an elongation measuring device 4, and (wherein, the heating tooling 3 on same root heat exchanger tube 5 and elongation measuring device 4 connect
Connect the same control module 2), then intelligence collection control module 1 is controlled directly on intelligently collecting control module 1 or through mobile terminal 6
Start concentrating type prestressing force and extends heating system.After the elongation heating system starting of concentrating type prestressing force, intelligence collection control module 1 is sent out
Send control signal to control module 2 so that each control module 2 controls heating rod 31 connected to it and generates heat, heating rod 31 issues
Heat transfer to corresponding heat exchanger tube 5 so that corresponding heat exchanger tube 5 is by thermal stretching, at this time outside each connection heat exchanger tube 5
Elongation measuring device 4 detects the elongation data of corresponding heat exchanger tube 5, and elongation data feedback to control connected to it
Molding block 2, each control module 2 accurately control the calorific value of heating rod 31 connected to it according to the elongation data of feedback,
Accurately to control the elongation of corresponding heat exchanger tube 5, accordingly even when the temperature between each heat exchanger tube 5 can interfere with each other, control
The elongation that module 2 also can control each heat exchanger tube 5 according to the elongation data of feedback does not have deviation.In above process,
The temperature data of each heating rod 31 of 6 real-time remote monitoring of mobile terminal and the elongation number of Ge Gen heat exchanger tube 5 can be used in worker
According to.
After the elongation for accurately controlling each heat exchanger tube 5, worker is soldered to rapid-cooling heat exchanger each 5 groups of heat exchanger tube again
On, then remove heating tooling 3 and elongation measuring device 4, the prestressing force elongation of the heat exchanger tube 5 on such rapid-cooling heat exchanger
Just there is no deviation.Rapid-cooling heat exchanger after the completion of group weldering is as shown in figure 4, the shell 10 of rapid-cooling heat exchanger is located at front tube sheet 11 with after
Between tube sheet 12, each 5 front end of heat exchanger tube is withstood on front tube sheet 11, and back tube sheet 12, Pintsch process gas to be cooled are stretched out in rear end
It is input in rapid-cooling heat exchanger from heat exchanger tube 5 close to the part of front tube sheet 11 to be cooled down.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (10)
1. a kind of concentrating type prestressing force for rapid-cooling heat exchanger extends heating system, it is characterised in that: collect control mould including intelligence
Block, multiple control modules, multiple heating toolings and multiple elongation measuring devices, the intelligence collection control module are separately connected each
Control module, each control module are separately connected a heating tooling and an elongation measuring device, the intelligence collection control mould
Block includes memory and processor, wherein the memory is stored with computer program, the computer program is held by processor
It can be realized following steps when row:
It enables each control module control heating tooling fever connected to it respectively, is changed so that protruding into heating each of tooling
Heat pipe is enabled each control module each accurately to control according to the elongation data of elongation measuring device feedback by thermal stretching
The calorific value of tooling is heated, the elongation of each heat exchanger tube of heating tooling is protruded into accurate control, wherein elongation measurement
The elongation data of device feedback and the calorific value of heating tooling are positively correlated.
2. the concentrating type prestressing force according to claim 1 for rapid-cooling heat exchanger extends heating system, it is characterised in that:
The heating tooling includes heating rod, fixed sleeving, fixed plate and fixed screw, and the fixed plate is welded on fixed sleeving,
The fixed screw is for adjusting tightness of the fixing sleeve pipe sleeve on heating rod.
3. the concentrating type prestressing force according to claim 2 for rapid-cooling heat exchanger extends heating system, it is characterised in that:
The end casing that is welded on the heating rod to avoid heating rod excessively protrudes into heat exchanger tube.
4. the concentrating type prestressing force according to claim 1 for rapid-cooling heat exchanger extends heating system, it is characterised in that:
The control module includes sequentially connected intelligent temperature controller, solid-state relay, refrigerating module and circuit breaker, the intelligent temperature control
Instrument exports corresponding level signal to solid-state relay, solid-state relay according to the elongation data of elongation measuring device feedback
According to the on-off of the level signal control circuit breaker received, to control the on-off of refrigerating module to control the hair of heating tooling
Heat.
5. the concentrating type prestressing force according to claim 1 for rapid-cooling heat exchanger extends heating system, it is characterised in that:
The elongation measuring device uses Linear displacement transducer, the movable brush of the Linear displacement transducer and heat exchanger tube it is outer
Portion is connected.
6. the concentrating type prestressing force according to claim 1 for rapid-cooling heat exchanger extends heating system, it is characterised in that:
The intelligence collection control module includes network connecting module, and the intelligence collection control module can pass through the network connecting module and movement
Terminal is connected to the network.
7. the concentrating type prestressing force according to claim 1 for rapid-cooling heat exchanger extends heating system, it is characterised in that:
Further include collecting the CRT monitor that control module is connect with intelligence, the temperature number of tooling is heated described in the CRT monitor real-time display
According to the elongation data with the heat exchanger tube.
8. the concentrating type prestressing force according to claim 1 for rapid-cooling heat exchanger extends heating system, it is characterised in that:
It further include collecting the printer that connect of control module with intelligence, the printing function is the temperature data for heating tooling and described changes
The elongation data-printing of heat pipe comes out.
9. the concentrating type prestressing force according to claim 1 for rapid-cooling heat exchanger extends heating system, it is characterised in that:
It further include collecting the alarm system that control module is connect, elongation exception Times of the alarm system in the heat exchanger tube with intelligence
It is alert.
10. the concentrating type prestressing force according to claim 1 for rapid-cooling heat exchanger extends heating system, feature exists
In: it further include centre connection vehicle, the intermediate connection vehicle is equipped with the quick combination hub that quantity is no less than control module, described to add
Thermal technology's dress and elongation measuring device are connect by the intermediate vehicle that connects with control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811070394.2A CN109338077A (en) | 2018-09-13 | 2018-09-13 | A kind of concentrating type prestressing force elongation heating system for rapid-cooling heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811070394.2A CN109338077A (en) | 2018-09-13 | 2018-09-13 | A kind of concentrating type prestressing force elongation heating system for rapid-cooling heat exchanger |
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| CN109338077A true CN109338077A (en) | 2019-02-15 |
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| CN201811070394.2A Pending CN109338077A (en) | 2018-09-13 | 2018-09-13 | A kind of concentrating type prestressing force elongation heating system for rapid-cooling heat exchanger |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19632608A1 (en) * | 1996-08-13 | 1998-02-19 | Duerr Systems Gmbh | Control system |
| CN102489908A (en) * | 2011-12-31 | 2012-06-13 | 茂名重力石化机械制造有限公司 | Prestressed elongation heating device for rapid cooling heat exchanger |
| WO2017084684A1 (en) * | 2015-11-16 | 2017-05-26 | Abb Schweiz Ag | Configuring process modules for operation in plants |
| KR20170114364A (en) * | 2016-04-04 | 2017-10-16 | (주)화인 | Heat jacket module for temperature control and the method for operation thereof |
| KR20170114365A (en) * | 2016-04-04 | 2017-10-16 | (주)화인 | Heat jacket and the method for controlling temperature of the heat jacket |
-
2018
- 2018-09-13 CN CN201811070394.2A patent/CN109338077A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19632608A1 (en) * | 1996-08-13 | 1998-02-19 | Duerr Systems Gmbh | Control system |
| CN102489908A (en) * | 2011-12-31 | 2012-06-13 | 茂名重力石化机械制造有限公司 | Prestressed elongation heating device for rapid cooling heat exchanger |
| WO2017084684A1 (en) * | 2015-11-16 | 2017-05-26 | Abb Schweiz Ag | Configuring process modules for operation in plants |
| KR20170114364A (en) * | 2016-04-04 | 2017-10-16 | (주)화인 | Heat jacket module for temperature control and the method for operation thereof |
| KR20170114365A (en) * | 2016-04-04 | 2017-10-16 | (주)화인 | Heat jacket and the method for controlling temperature of the heat jacket |
Non-Patent Citations (1)
| Title |
|---|
| 包文红: "套管式废热锅炉预应力的施加", 机械研究与应用, no. 04, pages 35 - 36 * |
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