CN109253635A - A kind of double-jacket tube rapid-cooling heat exchanger - Google Patents
A kind of double-jacket tube rapid-cooling heat exchanger Download PDFInfo
- Publication number
- CN109253635A CN109253635A CN201811069710.4A CN201811069710A CN109253635A CN 109253635 A CN109253635 A CN 109253635A CN 201811069710 A CN201811069710 A CN 201811069710A CN 109253635 A CN109253635 A CN 109253635A
- Authority
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- China
- Prior art keywords
- heat exchange
- inner tube
- exchange inner
- sleeve pipe
- protection sleeve
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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
- 238000001816 cooling Methods 0.000 title claims abstract description 31
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 239000012530 fluid Substances 0.000 claims description 12
- 230000003628 erosive effect Effects 0.000 claims description 4
- 238000011897 real-time detection Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 230000035882 stress Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000005489 elastic deformation Effects 0.000 abstract description 3
- 230000008646 thermal stress Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 18
- 239000002826 coolant Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005406 washing Methods 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
- F28D7/10—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 arranged one within the other, e.g. concentrically
Abstract
The present invention relates to large-scale chilling technical field of heat exchange equipment; more particularly to a kind of double-jacket tube rapid-cooling heat exchanger; including heat exchange inner tube and access protection device; access protection device includes protection sleeve pipe and Elastic heat insulation washer; the outlet end of protection sleeve pipe resists heat exchange inner tube arrival end forward, and Elastic heat insulation washer is clamped between protection sleeve pipe and the arrival end of heat exchange inner tube.Since protection sleeve pipe is separated with heat exchange inner tube by Elastic heat insulation washer, protection sleeve pipe and heat exchange inner tube are not an entirety, heat is not transferred in heat exchange inner tube in protection sleeve pipe, to effectively reduce the hot-spot phenomenon of heat exchange inner tube incoming-side location, reduce thermal stress, and Elastic heat insulation washer has certain elastic deformation, then the heat exchange inner tube close to entrance end side can carry out relatively free expansion to entrance end side, to effectively adjust and reduce heat exchange inner tube since pipe shaft temperature is uneven, the internal stress that swell increment is inconsistent and generates, and then it can effectively extend the cycle of operation of rapid-cooling heat exchanger, extend the service life of rapid-cooling heat exchanger, improve production efficiency.
Description
Technical field
The present invention relates to large-scale chilling technical field of heat exchange equipment, and in particular to a kind of double-jacket tube rapid-cooling heat exchanger.
Background technique
In the fields such as petroleum refining and chemical industry, coal chemical industry, rapid-cooling heat exchanger refers to that a kind of key that craftsmanship is very strong is set
It is standby.Rapid-cooling heat exchanger mainly undertakes two tasks: one is the high-temperature technology medium by 800 DEG C or so is rapidly cooled to secondary counter
Temperature is answered hereinafter, reducing olefin loss；The second is the high level heat of recovery process medium as much as possible, generates 12MPa or so
High steam.
Quenching process largely uses double pipe heat interchanger at present.Double pipe heat interchanger mainly includes heat exchange inner tube, and heat exchange is outer
Pipe and access protection device.General high-temperature technology medium flows through inner tube by arrival end, flows out inner tube from outlet end.Cooling medium
It is flowed through by the gap between heat exchange inner tube and heat exchange outer tube, cooling medium surrounds entire heat exchange inner tube, and flow direction and height
Warm processing medium flow direction is opposite.So as to the high-temperature technology medium flowed through in good cooling heat transferring inner tube, add simultaneously
Cooling medium between hot heat exchange inner tube and heat exchange outer tube, recycles heat.
In the double tube plate heat exchanger of coal chemical technology operation, when high-temperature technology medium passes through heat exchange inner tube, in addition to entrainment portion
Outside point solid particle washes away inner tube wall, while a non-uniform temperature field can be also generated in heat exchange inner tube, no
Heat distortion amount caused by uniform temperature field is different.Temperature is higher, and deflection is bigger.During double pipe heat interchanger operation,
Close to the arrival end of high-temperature technology medium, the temperature of inner tube is high, and the temperature far from entrance end side is low.
In existing technology in order to protect the heat exchange inner tube close to arrival end well, prevent transition from washing away and generation office
Portion's superheating phenomenon generally adds an access protection device in inner tube inlet end side to reduce the service life of heat exchange inner tube.Enter
Mouth protective device generally comprises two parts, and a part is the first pipeline section, is inserted into heat exchange inner tube, in the first pipeline section outer wall and heat exchange
Inside pipe wall is close to, and another part is the second pipeline section, stretches out heat exchange inner tube arrival end.
When high-temperature technology medium is after the first pipeline section, a temperature field can be generated on the first pipeline section.Due to the first pipeline section
It is close to inner tube wall, the temperature on the first pipeline section can be transmitted to inner tubal wall.Simultaneously access protection device by the first pipeline section with
The extension boss of second pipeline section connection is directly attached with inner pipe end.In high-temperature technology medium after the second pipeline section,
A temperature field can be generated on the second pipeline section, such temperature can also be transmitted to inner pipe end.Two above-mentioned temperature fields
Temperature transmitting can make inner pipe end generate local stress, reduce the service life of heat exchange sleeve, shorten the cycle of operation of heat exchanger.
Summary of the invention
It is an object of the invention to aiming at the shortcomings in the prior art, and provide a kind of low stress and service life increased double sets
Pipe rapid-cooling heat exchanger.
The purpose of the present invention is achieved through the following technical solutions:
A kind of double-jacket tube rapid-cooling heat exchanger, including heat exchange inner tube and access protection device are provided, it is characterised in that: it is described enter
Mouth protective device includes protection sleeve pipe and Elastic heat insulation washer, and the outlet end of the protection sleeve pipe resists the heat exchange inner tube forward
Arrival end, the Elastic heat insulation washer is clamped between the outlet end of the protection sleeve pipe and the arrival end of heat exchange inner tube.
Wherein, the bottom of the protection sleeve pipe is extended with boss towards pipe is outer, and the boss is stuck in the entrance of heat exchange inner tube
End.
Wherein, the bottom of the protection sleeve pipe is equipped with the step for blocking the outer wall of the heat exchange inner tube, and the step is used for
Accommodate the Elastic heat insulation washer.
Wherein, the arrival end of the protection sleeve pipe is horn-like.
Wherein, further include entrance tube chamber, the arrival end of the protection sleeve pipe protrudes into the entrance tube chamber, it is described enter
The fluid being equipped in mouth tube chamber for evenly distributing high-temperature technology medium matches device.
Wherein, the inner wall of the entrance tube chamber is equipped with high temperature resistant, anti abrasive insulating layer.
Wherein, the heat exchange inner tube is provided along its length the Wall Thickness Testing Device for real-time detection thickness of pipe wall.
Wherein, the inner wall of the heat exchange inner tube is equipped with the wear-resistant coating of high temperature-proof erosion.
Beneficial effects of the present invention: double-jacket tube rapid-cooling heat exchanger of the invention, Elastic heat insulation washer are clamped at protective case
Between the outlet end of pipe and the arrival end of heat exchange inner tube, when hot process gases are changed by there is the protection sleeve pipe of certain length to enter
When hot inner tube, temperature in protection sleeve pipe can be made to increase, the spot temperature of the close arrival end of heat exchange inner tube is high, and swell increment is big, changes
The spot temperature of the separate arrival end of hot inner tube is low, and swell increment is small.Since protection sleeve pipe and heat exchange inner tube pass through Elastic heat insulation pad
Circle separates, and protection sleeve pipe and heat exchange inner tube are not an entirety, and heat is not transferred in heat exchange inner tube in protection sleeve pipe, thus
The hot-spot phenomenon for effectively reducing heat exchange inner tube incoming-side location reduces thermal stress, and Elastic heat insulation washer has
Certain elastic deformation, then the position of the close arrival end of heat exchange inner tube can be expanded to entrance extreme direction, to effectively adjust
It saves and reduces heat exchange inner tube since pipe shaft temperature is uneven, swell increment is inconsistent and the internal stress that generates, and then can effectively extend
The cycle of operation of rapid-cooling heat exchanger extends the service life of rapid-cooling heat exchanger, improves production efficiency.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the structural schematic diagram of double-jacket tube rapid-cooling heat exchanger of the invention.
Fig. 2 is heat exchange sleeve of the invention and the structural schematic diagram that access protection device cooperates.
Fig. 3 is the partial enlarged view of A in Fig. 2.
Fig. 1 includes: into Fig. 3
Entrance tube chamber 1, upper header 2, heat exchange inner tube 3, exchange heat outer tube 4, access protection device 5, protection sleeve pipe 50, bullet
Property heat insulating washer 51, step 52, boss 53, castable refractory 6, ceramic fibre 7, fluid matches device 8, lower header 9, outlet
Tube chamber 10, tap hole 101, inflow hole 11, first line of a couplet cavity 12, second line of a couplet cavity 13, support device 14.
Specific embodiment
The invention will be further described with the following Examples.
A kind of specific embodiment of double-jacket tube rapid-cooling heat exchanger of the invention, the rapid-cooling heat exchanger of the embodiment are mainly answered
Used in the chilling of coal chemical industry oil gas.As shown in Figure 1, the structure of double-jacket tube rapid-cooling heat exchanger successively includes entrance lumen from top to bottom
Body 1, upper header 2, heat exchange sleeve, lower header 9 and outlet tube chamber 10, wherein as shown in Fig. 2, heat exchange sleeve is by exchanging heat
Inner tube 3 and heat exchange outer tube 4 form, and heat exchange inner tube 3 is built between heat exchange outer tube 4, between heat exchange inner tube 3 and heat exchange outer tube 4
The cavity that exchanges heat is connected to upper header 2 and lower header 9, and cooling medium flows into upper header 2 through heat exchange cavity from lower header 9,
And then the high-temperature technology medium for exchanging hot inner tube 3 carries out chilling.The both ends of upper header 2 are equipped with first line of a couplet cavity 12, lower header
The both ends of pipe 9 are equipped with second line of a couplet cavity 13, and cooling medium enters lower header 9 through second line of a couplet cavity 13, in heat exchange cavity heat exchange
Afterwards, enter first line of a couplet cavity 12 through upper header 2.
As shown in Figure 1, the double-jacket tube rapid-cooling heat exchanger of the present embodiment, the bottom of entrance tube chamber 1 are welded in header
2, the upper end of outlet tube chamber 10 is welded in lower header 9, to protect changing between upper header 2 and lower header 9
Thermal sleeve is additionally provided with to be located between upper header 2 and lower header 9 and change also to make entire heat exchanger more stable and secured
Support device 14 outside thermal sleeve.
As shown in Figure 1-Figure 3,3 arrival end of heat exchange inner tube is equipped with access protection device 5, and access protection device 5 includes protection
Casing 50 and Elastic heat insulation washer 51, the arrival end of protection sleeve pipe 50 be it is horn-like, convenient for the entrance of hot process gases.Protection
The outlet end of casing 50 (direction is downward in figure) can resist the arrival end of heat exchange inner tube 3, Elastic heat insulation washer 51 forward
It is clamped between the outlet end of protection sleeve pipe 50 and the arrival end of heat exchange inner tube 3, when hot process gases are by there is a fixed length
When the protection sleeve pipe 50 of degree enters heat exchange inner tube 3, temperature can be generated in protection sleeve pipe 50, the heat exchange inner tube 3 close from arrival end
Side temperature is high, and swell increment is big, and the heat exchange inner tube 3 side temperature remote from arrival end is low, and swell increment is small.Due to protection sleeve pipe 50 and heat exchange
Inner tube 3 is separated by Elastic heat insulation washer 51, and protection sleeve pipe 50 and heat exchange inner tube 3 are not an entirety, heat in protection sleeve pipe 50
Amount is not transferred in heat exchange inner tube 3, to effectively reduce the hot-spot phenomenon of 3 incoming-side location of heat exchange inner tube, is dropped
Low thermal stress, and Elastic heat insulation washer 51 has certain elastic deformation, then close to the heat exchange inner tube 3 of entrance end side
Relatively free expansion is carried out to entrance end side, to effectively adjust and reduce heat exchange inner tube 3 since pipe shaft temperature is uneven, is expanded
Internal stress that is inconsistent and generating is measured, and then can effectively extend the cycle of operation of rapid-cooling heat exchanger, extends rapid-cooling heat exchanger
Service life, improve production efficiency.
The bottom inside of protection sleeve pipe 50 is equipped with the step 52 that can accommodate Elastic heat insulation washer 51, which is annular
Concave station rank 52, step 52 can block the outer wall of heat exchange inner tube 3, position to protection sleeve pipe 50, so that protection sleeve pipe 50
It is not inserted into heat exchange inner tube 3, prevents access protection device 5 from moving down under the impact of high-temperature technology medium or to one side
It slants.
The bottom of protection sleeve pipe 50 can be fastened on the entrance of heat exchange inner tube 3 towards the outer boss 53 extended of pipe, boss 53
Endface.The depth that boss 53 is inserted into heat exchange inner tube 3 to access protection device 5 limits, and prevents access protection device 5 in height
It moves down under the impact of warm processing medium or slants to one side.
And the area filling between two neighboring protection sleeve pipe 50 has castable refractory 6, castable refractory 6 can not only will be protected
Protecting pipe 50 is fixed and protects, additionally it is possible to be completely covered by the arrival end of heat exchange inner tube 3, can avoid high temperature completely in this way
Processing medium is directly contacted with the arrival end of heat exchange inner tube 3, and then be can effectively avoid heat exchange sleeve and generated hot-spot phenomenon, is prevented
Heat exchange sleeve is only burnt out, and then can effectively extend the cycle of operation of rapid-cooling heat exchanger, improves production efficiency.Certain refractory casting
Material 6 is also capable of fixing protection sleeve pipe 50, and then prevents slanting for access protection device 5.
Ceramic fibre 7, ceramic fibre 7 are filled with upper 2 area defined of header between two neighboring heat exchange inner tube 3
Performance with heat-insulated insulation, such ceramic fibre 7 will be transmitted through the heat come and upper header 2 and heat exchange through castable refractory 6
The isolation of inner tube 3 is got up, this can also further prevent heat exchange sleeve to generate hot-spot phenomenon.
Protection sleeve pipe 50 protrudes into entrance tube chamber 1, and the side wall of entrance tube chamber 1 is additionally provided with the stream connecting with transfer line
Enter hole 11, the side wall of outlet tube chamber 10 is additionally provided with tap hole 101, and high-temperature technology medium enters entrance tube chamber through inflow hole 11
1, and then heat exchange inner tube 3 is flowed into through access protection device 5, after heat exchange, processing medium enters outlet tube chamber 10 through tap hole
101 outflows.
It is equipped with the fluid for evenly distributing high-temperature technology medium in entrance tube chamber 1 and matches device 8.High temperature work
Skill medium uniformly flows into the protection sleeve pipe 50 of each access protection device 5 after fluid matches device 8, and then uniformly flows into
Every heat exchange inner tube 3 can effectively avoid processing medium from generating the defect that intermediate flow velocity is high, periphery flow velocity is low, so that entirely in this way
The coking speed and the rate of wear of portion's heat exchange sleeve are maintained at of substantially equal level, and such rapid-cooling heat exchanger can be for a long time
Ground continuous service, and then just it is able to satisfy the demand of long-term operation.
Heat exchange inner tube 3 is equipped with the Wall Thickness Testing Device for real-time detection wall thickness along its length of tube direction, in heat exchange
Cheng Zhong, can real-time detection to heat exchange inner tube 3 wall thickness, and then understand heat exchange inner tube 3 coking speed and the rate of wear phase
To property,.And then the flow and flow rate of high-temperature technology medium and cooling medium is adjusted in real time, heat exchange inner tube 3 can be effectively prevent
Worn out or blocking, enables chilling heat exchanger tube long-term operation.
It is grid-like setting that fluid, which matches device 8, and fluid matches device 8 for tiling setting, can reach so more preferable
Erosion control effect, can also make high-temperature technology homogeneous media rapidly.It can be single layer that fluid, which matches device 8, or up and down
Overlapping or the bilayer being slightly staggered.
To reach better uniformization effect, it is double-layer structure that fluid, which matches device 8,.Fluid matches device 8 by muti-piece branch
Steel plate and Duo Gen steel pole composition are supportted, every piece of supporting steel plate is equipped with two fixation holes, steel pole up and down and is through every piece of supporting steel plate phase
In the fixation hole answered.According to the flow of high-temperature technology medium, the size that fluid matches device 8 can be calculated by hydrodynamics, with
And grid-like fluid matches the size in the space of device 8, preferably evenly distributes effect to reach.
The inner wall of entrance tube chamber 1 is equipped with high temperature resistant, anti abrasive insulating layer, prevents high-temperature technology medium to entrance lumen
The wall of body 1 causes to damage.
For the wear-resisting property for enhancing heat exchange inner tube 3, the inner wall of heat exchange inner tube 3 is equipped with the wear-resistant coating of high temperature-proof erosion, especially
It is in the arrival end 2m inner region away from heat exchange inner tube 3, this also to prevent heat exchange inner tube 3 generate hot-spot play certain work
With.
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 (8)
1. a kind of double-jacket tube rapid-cooling heat exchanger, including heat exchange inner tube and access protection device, it is characterised in that: the ingress protection
Device includes protection sleeve pipe and Elastic heat insulation washer, and the outlet end of the protection sleeve pipe resists the entrance of the heat exchange inner tube forward
End, the Elastic heat insulation washer are clamped between the outlet end of the protection sleeve pipe and the arrival end of heat exchange inner tube.
2. double-jacket tube rapid-cooling heat exchanger according to claim 1, it is characterised in that: the bottom direction pipe of the protection sleeve pipe
It is extended with boss outside, the boss is stuck in the arrival end of heat exchange inner tube.
3. double-jacket tube rapid-cooling heat exchanger according to claim 1, it is characterised in that: the bottom of the protection sleeve pipe is equipped with card
The step of the outer wall of heat exchange inner tube is stated in residence, and the step is for accommodating the Elastic heat insulation washer.
4. double-jacket tube rapid-cooling heat exchanger according to claim 1, it is characterised in that: the arrival end of the protection sleeve pipe is loudspeaker
Shape.
5. double-jacket tube rapid-cooling heat exchanger according to claim 1-4, it is characterised in that: further include entrance lumen
Body, the arrival end of the protection sleeve pipe protrude into the entrance tube chamber, are equipped in the entrance tube chamber for by high temperature work
The fluid that skill medium is evenly distributed matches device.
6. double-jacket tube rapid-cooling heat exchanger according to claim 5, it is characterised in that: the inner wall of the entrance tube chamber is equipped with
High temperature resistant, anti abrasive insulating layer.
7. double-jacket tube rapid-cooling heat exchanger according to claim 1, it is characterised in that: the heat exchange inner tube is along its length
Equipped with the Wall Thickness Testing Device for real-time detection thickness of pipe wall.
8. double-jacket tube rapid-cooling heat exchanger according to claim 1, it is characterised in that: the inner wall of the heat exchange inner tube is equipped with anti-
The wear-resistant coating of high temperature erosion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811069710.4A CN109253635A (en) | 2018-09-13 | 2018-09-13 | A kind of double-jacket tube rapid-cooling heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811069710.4A CN109253635A (en) | 2018-09-13 | 2018-09-13 | A kind of double-jacket tube rapid-cooling heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109253635A true CN109253635A (en) | 2019-01-22 |
Family
ID=65048191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811069710.4A Pending CN109253635A (en) | 2018-09-13 | 2018-09-13 | A kind of double-jacket tube rapid-cooling heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109253635A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2498159Y (en) * | 2001-09-30 | 2002-07-03 | 中国石油化工股份有限公司 | Linear shape cooling boiler |
| CN201891982U (en) * | 2010-11-08 | 2011-07-06 | 洛阳瑞昌石油化工设备有限公司 | Composite ceramic sleeve for shell and tube type waste heat boiler |
| KR101342209B1 (en) * | 2013-05-30 | 2013-12-16 | 방대석 | Heat blocking expansion joint |
| 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 |
| CN106440877A (en) * | 2016-10-31 | 2017-02-22 | 南京天华化学工程有限公司 | Double-sleeve chilling type heat exchanger applied to coal chemical industry |
| CN207437369U (en) * | 2017-10-20 | 2018-06-01 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of pump assembly and compressor |
| CN209246743U (en) * | 2018-09-13 | 2019-08-13 | 茂名重力石化装备股份公司 | A kind of double-jacket tube rapid-cooling heat exchanger |
-
2018
- 2018-09-13 CN CN201811069710.4A patent/CN109253635A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2498159Y (en) * | 2001-09-30 | 2002-07-03 | 中国石油化工股份有限公司 | Linear shape cooling boiler |
| CN201891982U (en) * | 2010-11-08 | 2011-07-06 | 洛阳瑞昌石油化工设备有限公司 | Composite ceramic sleeve for shell and tube type waste heat boiler |
| KR101342209B1 (en) * | 2013-05-30 | 2013-12-16 | 방대석 | Heat blocking expansion joint |
| 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 |
| CN106440877A (en) * | 2016-10-31 | 2017-02-22 | 南京天华化学工程有限公司 | Double-sleeve chilling type heat exchanger applied to coal chemical industry |
| CN207437369U (en) * | 2017-10-20 | 2018-06-01 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of pump assembly and compressor |
| CN209246743U (en) * | 2018-09-13 | 2019-08-13 | 茂名重力石化装备股份公司 | A kind of double-jacket tube rapid-cooling heat exchanger |
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