CN106166393A - A kind of ammonia evaporator of band heating coil - Google Patents
A kind of ammonia evaporator of band heating coil Download PDFInfo
- Publication number
- CN106166393A CN106166393A CN201610589901.8A CN201610589901A CN106166393A CN 106166393 A CN106166393 A CN 106166393A CN 201610589901 A CN201610589901 A CN 201610589901A CN 106166393 A CN106166393 A CN 106166393A
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- China
- Prior art keywords
- shell
- heating coil
- ammonia
- slideway
- press strip
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Sorption Type Refrigeration Machines (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses the ammonia evaporator of a kind of band heating coil, including vaporizer bobbin carriage, heat exchanger tube tube bank, shell flange, shell side pipe nipple, eccentric cone shell, shell-side cylinder.It is characterized in that: be provided with the coil system being made up of heating coil, arc press strip, slideway transverse slat, slideway riser in the bottom of shell-side cylinder.The present invention is additionally arranged at the bottom of heating steam pipe coil at kettle type reboiler shell side, is passed through steam before overhaul of the equipments, to evaporate the ammoniacal liquor of shell side residual.Steam working area original in tube side changes and is set to shell side by the present invention, it is to avoid the gas hammer phenomenon that original tube side bulkhead seal the most sternly causes.Changed shell side eccentric cone shell lower end semi-cone angle into 3～8 degree by 0 degree of angle, install to heating coil and reserved space, the evaporation of liquefied ammonia when not affecting normal operating, and it is easy to residual liquid emptying to descending slope.The present invention is simple, both ensure that the normal operating needs of ammonia evaporator, liquefied ammonia residue problem when also solving maintenance.
Description
Technical field
The invention belongs to chemical machinery technical field, it is provided that the ammonia evaporator of a kind of band heating coil, it is especially useful in process
Ammonia evaporator remains ammoniacal liquor.
Background technology
Often needing a large amount of gas ammonia in chemical plant installations, ammonia evaporator is the key equipment that liquefied ammonia is converted into gas ammonia.Should
Equipment is generally BKU type kettle type reboiler, and tube side is passed through recirculated water, is evaporated liquefied ammonia in shell side, and shell side leaves enough
Gas-phase space, the gas ammonia of evaporation enters subsequent handling by the wire mesh demister in exit.But owing to ammonia is that moderate endangers medium,
There is intense stimulus abnormal smells from the patient, have certain occupational chronic to endanger for maintainer.Therefore, when this equipment overhauls, need
Residual ammoniacal liquor in ammonia evaporator is evaporated entirely, carries out in tank of being allowed for access detecting, service work.
The traditional method of residual liquid evaporation is, with dividing plate, ammonia evaporator tube side is divided into upper and lower two parts: top is recirculated water
Operation interval, bottom is steam operation interval.Before maintenance, tube side bottom be passed through steam with by shell side in residual liquid evaporation clean.
Although said method can meet the purging requirement of residual liquid, but also brings along some problems.Due to vaporizer tube side quilt
Dividing plate is divided into upper and lower two operation intervals, dividing plate to be gasket seal with the seal style of tube sheet, and this pad with channel flange pad is
One one integral piece, after pretension channel flange pad, does not ensures that between dividing plate and tube sheet, gasket seal is tight.Liquid ammonia evaporator is normal
During operation, once having leakage at this dividing plate, top recirculated water will leak into bottom, the most then can be full of bottom tube side.
Before maintenance, as found such situation not in time, it is passed through steam in tube side bottom, then can produce gas hammer phenomenon, to equipment and system
Do great damage.On the other hand, owing to tube side bottom is that steam is interval, top recirculated water discharging hole should not be arranged by dividing plate
In cylinder bottom, cylinder side can only be arranged on above dividing plate, be not easy to the emptying of recirculated water.
Summary of the invention
It is an object of the invention to provide one and be both avoided that gas hammer phenomenon, residual liquid can be evaporated again ammonia evaporator completely.
The technical scheme is that
The ammonia evaporator of a kind of band heating coil, including vaporizer bobbin carriage, heat exchanger tube tube bank, shell flange, shell side pipe nipple, bias
Conical shell, shell-side cylinder, it is characterised in that: it is provided with by heating coil, arc press strip, slideway transverse slat, cunning in the bottom of shell-side cylinder
The coil system of road riser composition.
Vaporizer tube side is completely used for recirculated water working area, and shell side eccentric cone shell upper end semi-cone angle is 25-35 degree, lower end
Semi-cone angle is changed into 3-8 degree angle, arranging heating coil at the next-door neighbour's inwall of shell-side cylinder bottom by original 0 degree.Heating coil not shadow
Ring heat exchanger tube tube bank to extract out, the recirculated water evaporation to medium when not affecting normal operating, can be passed through in coil pipe before overhaul of the equipments
Steam is used for evaporating shell side residual medium.Vaporizer shell side eccentric cone shell upper end semi-cone angle is 25～35 degree of angles, lower end semi-cone angle
It is 3～8 degree of angles, had both ensured the gas-phase space that shell side top is enough, and retained again the enough installing spaces of heating coil, and conical shell is downward
The gradient is easy to residual liquid discharge.
Described heating coil is two groups, arranges along axisymmetrical at vaporizer shell side cylinder body bottom next-door neighbour's inwall.
In vaporizer shell side, shell-side cylinder inwall is close to by heating coil, can effectively evaporate the residual liquid being adsorbed in tank skin；Dish
Pipe point two groups, along shell-side cylinder axially symmetric disposition, coils downwards, it is ensured that the high point of air inlet, the low spot of condensation, it is to avoid coil pipe
Accumulating of interior lime set.
Heating coil of the present invention is arranged in shell-side cylinder bottom interior wall.Heating coil is arranged at the bottom of shell-side cylinder
Portion, introduces from ellipse head, presses close to shell-side cylinder inwall, the big end position of parallel laid to eccentric cone shell, then rolls over downwards with elbow
Returning, parallel laid is turned back to ellipse head again, so circulates, until heating coil is tubular to strengthen from cylinder end socket relative low points
Formula is drawn, and the width of described heating coil is 70～an angle of 90 degrees at arc chord angle α shared by shell-side cylinder..
Arc press strip of the present invention is many, and arc press strip is all laid at heating coil certain distance spaced above
Putting, along coil pipe cross section excision forming below arc press strip, the circumference limiting coil pipe is mobile.
Using whole arc press strip to buckle heating coil processed, press strip least significant end offers liquid-through hole, top welding slideway riser.
Being formed tube bank slideway by slideway riser and slideway transverse slat, slideway riser, between press strip and slideway transverse slat, rises and props up
Support effect, slideway transverse slat keeps level, it is ensured that when heat exchanger tube tube bank is pumped, slide bar can on slideway transverse slat slidably.
Two drains are offered bottom shell-side cylinder, one of them band liquid bag, it is arranged on the drain that liquid wraps and is more convenient for
The discharge of residual liquid.
The coil system of the ammonia evaporator with heating coil manufactures installation method: after apparatus casing has manufactured, heating coil
(12) introduce from ellipse head (8), (come and go number of times according to heating coil to determine along certain central angle alpha, typically take 70～90 degree
Angle), press close to shell-side cylinder (5) inwall, the big end position of parallel laid to eccentric cone shell (4), then turn back downwards with elbow, parallel laid
It is set to ellipse head (8) turn back again, so circulates, until heating coil (12) is drawn from ellipse head (8) relative low points；Two groups
After heating coil installs, uniform arc press strip (18) of buckling separated by a distance, press strip vertical shell inwall, and and cylinder between
Disconnected firm welding；After press strip installation qualification, can install slideway riser (14), riser length is sealed to oval from shell flange (2)
Head (8), bottom and shell flange (2), shell side pipe nipple (3), eccentric cone shell (4), arc press strip (18) and ellipse head (8) weldering
Connecing, tip height is determined by restraining slide bar position；After slideway riser (14) installs, can mounted thereon slideway transverse slat
(13), the whole i.e. installation of heating coil system.
The ammonia evaporator with heating coil application in liquefied ammonia evaporates: during in normal operating, be passed through liquid from entrance (11)
Ammonia, keeps design liquid level and the enough gas-phase spaces in top in shell side, under the heating of tube side recirculated water, generates gas ammonia and passes through silk screen
Demister (7) enters subsequent handling from outlet (6)；Before overhaul of the equipments, turn off liquefied ammonia entrance (11) valve, terminate tube side circulation
Water heat supply, opens drain (15) (16), after liquefied ammonia in shell side is put only, is passed through steam in steam inlet (9), utilizes heating
The residual liquefied ammonia of coil pipe (12) heat exchange further evaporation equipment inwall absorption, after heating certain time, in detection equipment, ammoniacal liquor is remaining
Amount, after conformance with standard, cuts off steam supply, turns off top gas ammonia outlet (6) valve, can carry out detecting, examining in access arrangement
Repair work.
The positive effect of the present invention is:
1, the steam heating part of former tube side is arranged on shell side, effectively prevent owing to dividing plate leaks issuable pneumatic hammer now
As；
2, coil pipe is compared with heat exchanger tube, equipment inner wall of being more convenient for, effectively evaporation shell side residual liquid；
3, eccentric cone shell lower end semi-cone angle is 3～8 degree of angles, it is ensured that heating coil is not take up heat exchanger tube tube bank space, and to descending
Degree is easy to residual liquid emptying；
4, shell side bottom arranges two discharging holes, and one of them arranges the emptying of liquid bag, beneficially residual liquid；
5, coil pipe is provided above whole press strip, and press strip can be interrupted welding, compares and is separately provided coil pipe fixing part welding job amount and has
Reduced；
6, chute board is welded on press strip, takes full advantage of shell side lower space.
Accompanying drawing explanation
Fig. 1 is the ammonia evaporator structural representation of band heating coil in the present invention.
Fig. 2 is the tube bank of shell side heat exchanger tube and the profile of heating coil.
Fig. 3 is that expanded view overlooked by heating coil.
In figure: 1-vaporizer bobbin carriage；2-shell flange；3-shell side pipe nipple；4-eccentric cone shell；5-shell-side cylinder；6-gas ammonia
Outlet；7-wire mesh demister；8-ellipse head；9-steam inlet；10-steam (vapor) outlet；11-liquefied ammonia entrance；12-heating coil；
13-slideway transverse slat；14-slideway riser；15-band liquid bag drain；16-drain；17-heat exchanger tube is restrained；18-arc press strip；
It is relief valve port, pressure gauge port, thermometer mouth, liquidometer mouth, liquid-level switch mouth a series of guarantee equipment peace that shell side does not notes the mouth of pipe
The structure of row for the national games.
Detailed description of the invention
It is embodied as being described further to the present invention below in conjunction with the accompanying drawings.
Coil system manufactures installation process: after apparatus casing has manufactured, and heating coil (12) introduces from ellipse head (8),
Along certain central angle alpha (come and go number of times according to heating coil to determine, typically take 70～an angle of 90 degrees), press close to shell-side cylinder (5) inwall,
Parallel laid is to the big end position of eccentric cone shell (4), then turns back downwards with elbow, and parallel laid is turned back to end socket again, so circulates,
Until heating coil (12) is drawn from ellipse head (8) relative low points；After two groups of heating coils install, button separated by a distance
Upper arc press strip (18), press strip vertical shell inwall, and it is interrupted firm welding with cylinder；After press strip installation qualification, can install
Slideway riser (14), riser length from shell flange to end socket, bottom and shell flange (2), shell side pipe nipple (3), eccentric cone shell
(4), arc press strip (18) and ellipse head (8) welding, tip height is determined by restraining slide bar position；Slideway riser (14) is installed
After complete, can mounted thereon slideway transverse slat (13), the whole i.e. installation of heating coil system.
Vaporizer is applied when liquefied ammonia evaporates: the present invention, when normal operating, is passed through liquefied ammonia from entrance (11), keeps shell side
The enough gas-phase spaces of interior design liquid level and top, under the heating of tube side recirculated water, generate gas ammonia by wire mesh demister (7) from
Outlet (6) enters subsequent handling；Before overhaul of the equipments, turn off liquefied ammonia entrance (11) valve, terminate tube side circulating water heating, open and put
Clean mouth (15) (16), after liquefied ammonia in shell side is put only, is passed through steam in steam inlet (9), utilizes heating coil (12) heat exchange
The further residual liquefied ammonia of evaporation equipment inwall absorption, ammoniacal liquor residual volume, conformance with standard in detection equipment after heating certain time
After, cut off steam supply, turn off top gas ammonia outlet (6) valve, can carry out in access arrangement detecting, service work.
Exemplified as above is only the illustration to the present invention, and the restriction of paired not protection scope of the present invention, this
Invent the evaporation of described medium and be not limited to ammoniacal liquor evaporation, all protections belonging to the present invention with the same or analogous design of the present invention
Within the scope of.
Claims (10)
1. an ammonia evaporator for band heating coil, including vaporizer bobbin carriage, heat exchanger tube tube bank, shell flange, shell side pipe nipple, partially
Heart conical shell, shell-side cylinder, it is characterised in that: be provided with in the bottom of shell-side cylinder by heating coil, arc press strip, slideway transverse slat,
The coil system of slideway riser composition.
The ammonia evaporator of band heating coil the most according to claim 1, it is characterised in that: eccentric cone shell (4) upper end half cone
Angle is 25～35 degree, and lower end semi-cone angle is 3～8 degree.
The ammonia evaporator of band heating coil the most according to claim 1, it is characterised in that: described heating coil is two
Group, is arranged along axisymmetrical at vaporizer shell side cylinder body bottom next-door neighbour's inwall.
The ammonia evaporator of band heating coil the most according to claim 1, it is characterised in that: heating coil (12) is arranged on shell
Journey cylinder (5) bottom, introduces from ellipse head (8), presses close to shell-side cylinder (5) inwall, and parallel laid to eccentric cone shell (4) is held greatly
Position, then turn back downwards with elbow, parallel laid to ellipse head (8) is turned back again, so circulates, until heating coil (12) from
Ellipse head (8) relative low points is drawn with reinforced pipe form.The width of described heating coil at arc chord angle α shared by shell-side cylinder is
70～an angle of 90 degrees.
The ammonia evaporator of band heating coil the most according to claim 1, it is characterised in that: arc press strip (18) is many,
In heating coil (12) the uniform setting in top, along coil pipe cross section excision forming below arc press strip.
The ammonia evaporator of band heating coil the most according to claim 1 or 5, it is characterised in that: use whole arc press strip
(18) detaining heating coil processed (12), weld slideway riser (14) above press strip, press strip least significant end offers liquid-through hole.
The ammonia evaporator of band heating coil the most according to claim 1, it is characterised in that: by slideway riser (14) and slideway
Transverse slat (13) composition tube bank slideway, slideway riser plays support and adjusts slideway function of height, and slideway transverse slat is restrained for heat exchanger tube
(17) sliding bar.
The ammonia evaporator of band heating coil the most according to claim 1, it is characterised in that: set in shell-side cylinder (5) bottom
Put two drains (15) (16), one of them band liquid bag.
The ammonia evaporator of band heating coil the most according to claim 1, it is characterised in that: coil system manufacture installation side
Method: after apparatus casing has manufactured, heating coil (12) introduces from ellipse head (8), presses close to shell-side cylinder (5) inwall, parallel laid
Being set to the big end position of eccentric cone shell (4), then turn back downwards with elbow, parallel laid to ellipse head (8) is turned back again, so follows
Ring, until heating coil (12) is drawn from ellipse head (8) relative low points；The width of described heating coil is shared by shell-side cylinder
Arc chord angle α is 70～90 degree；After two groups of heating coils install, separated by a distance buckling arc press strip (18), press strip is vertical
Inner walls, and it is interrupted firm welding with cylinder；After press strip installation qualification, slideway riser (14) can be installed, riser length from
Shell flange (2) arrives ellipse head (8), bottom and shell flange (2), shell side pipe nipple (3), eccentric cone shell (4), arc press strip
(18) and ellipse head (8) welding, tip height by heat exchanger tube tube bank (17) slide bar position determine；Slideway riser (14) installs
After, mounted thereon slideway transverse slat (13), the whole i.e. installation of heating coil system.
10. the ammonia evaporator of band heating coil application in liquefied ammonia evaporates: it is characterized in that: a during in normal operating, from
Entrance (11) is passed through liquefied ammonia, keeps design liquid level and the enough gas-phase spaces in top in shell side, under the heating of tube side recirculated water, raw
Gas ammonia is become to enter subsequent handling by wire mesh demister (7) from outlet (6)；Before overhaul of the equipments, turn off liquefied ammonia entrance (11) valve
Door, terminates tube side circulating water heating, opens drain (15) (16), after liquefied ammonia in shell side is put only, logical in steam inlet (9)
Enter steam, utilize the residual liquefied ammonia that heating coil (12) heat exchange further evaporation equipment inwall adsorbs, examine after heating certain time
Ammoniacal liquor residual volume in measurement equipment, after conformance with standard, cuts off steam supply, turns off top gas ammonia outlet (6) valve, can enter and set
Carry out in Bei detecting, service work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589901.8A CN106166393B (en) | 2016-07-26 | 2016-07-26 | A kind of ammonia evaporator with heating coil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589901.8A CN106166393B (en) | 2016-07-26 | 2016-07-26 | A kind of ammonia evaporator with heating coil |
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| CN106166393A true CN106166393A (en) | 2016-11-30 |
| CN106166393B CN106166393B (en) | 2018-07-27 |
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| CN201610589901.8A Active CN106166393B (en) | 2016-07-26 | 2016-07-26 | A kind of ammonia evaporator with heating coil |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107569866A (en) * | 2017-10-13 | 2018-01-12 | 茂名瑞派石化工程有限公司 | A kind of new kettle type reboiler and its manufacturing process |
| CN109046502A (en) * | 2018-08-29 | 2018-12-21 | 蔡莉 | A kind of multi-functional pathological anatomy autopsy table |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066948U (en) * | 1990-04-21 | 1990-12-05 | 虞伯龙 | Gasificaion device for the waste liquid in liquefied petroleum gas steel bottle |
| JP2005058873A (en) * | 2003-08-08 | 2005-03-10 | Ishikawajima Plant Construction Co Ltd | Low temperature liquid heating method and apparatus therefor |
| CN1843546A (en) * | 2006-04-06 | 2006-10-11 | 天津大学 | Reboiler for material of high viscosity,high solidifying point and intensified heat sensitivity |
| CN201105200Y (en) * | 2008-01-16 | 2008-08-27 | 曾永健 | Ammonia evaporator |
| CN201325879Y (en) * | 2008-02-29 | 2009-10-14 | 北京博奇电力科技有限公司 | Shell-and-tube heat exchanger type liquid-ammonia evaporator |
| CN101769593A (en) * | 2008-12-30 | 2010-07-07 | 上海吴泾化工有限公司 | vaporizer |
| CN203090497U (en) * | 2013-03-28 | 2013-07-31 | 成都锐思环保技术有限责任公司 | Steam heating large-evaporation-capacity horizontal liquid ammonia evaporator for flue gas denitrification |
| CN203196367U (en) * | 2013-04-25 | 2013-09-18 | 李书京 | Horizontal reboiler |
| CN203724784U (en) * | 2014-02-07 | 2014-07-23 | 烟台国邦化工机械科技有限公司 | Horizontal sunken reboiler device |
| CN204034305U (en) * | 2014-08-30 | 2014-12-24 | 连丽芬 | A kind of kettle type reboiler |
| CN204056800U (en) * | 2014-08-11 | 2014-12-31 | 南通中集罐式储运设备制造有限公司 | Tank container |
| CN104492105A (en) * | 2014-12-08 | 2015-04-08 | 广西鹿寨化肥有限责任公司 | Method for evaporating liquid ammonia by virtue of waste heat of tail gas from granulation of diammonium phosphate |
-
2016
- 2016-07-26 CN CN201610589901.8A patent/CN106166393B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066948U (en) * | 1990-04-21 | 1990-12-05 | 虞伯龙 | Gasificaion device for the waste liquid in liquefied petroleum gas steel bottle |
| JP2005058873A (en) * | 2003-08-08 | 2005-03-10 | Ishikawajima Plant Construction Co Ltd | Low temperature liquid heating method and apparatus therefor |
| CN1843546A (en) * | 2006-04-06 | 2006-10-11 | 天津大学 | Reboiler for material of high viscosity,high solidifying point and intensified heat sensitivity |
| CN201105200Y (en) * | 2008-01-16 | 2008-08-27 | 曾永健 | Ammonia evaporator |
| CN201325879Y (en) * | 2008-02-29 | 2009-10-14 | 北京博奇电力科技有限公司 | Shell-and-tube heat exchanger type liquid-ammonia evaporator |
| CN101769593A (en) * | 2008-12-30 | 2010-07-07 | 上海吴泾化工有限公司 | vaporizer |
| CN203090497U (en) * | 2013-03-28 | 2013-07-31 | 成都锐思环保技术有限责任公司 | Steam heating large-evaporation-capacity horizontal liquid ammonia evaporator for flue gas denitrification |
| CN203196367U (en) * | 2013-04-25 | 2013-09-18 | 李书京 | Horizontal reboiler |
| CN203724784U (en) * | 2014-02-07 | 2014-07-23 | 烟台国邦化工机械科技有限公司 | Horizontal sunken reboiler device |
| CN204056800U (en) * | 2014-08-11 | 2014-12-31 | 南通中集罐式储运设备制造有限公司 | Tank container |
| CN204034305U (en) * | 2014-08-30 | 2014-12-24 | 连丽芬 | A kind of kettle type reboiler |
| CN104492105A (en) * | 2014-12-08 | 2015-04-08 | 广西鹿寨化肥有限责任公司 | Method for evaporating liquid ammonia by virtue of waste heat of tail gas from granulation of diammonium phosphate |
Non-Patent Citations (2)
| Title |
|---|
| 《海洋石油工程设计指南》编委会: "《海洋石油工程机械与设备设计》", 30 June 2007 * |
| 叶文邦等: "《压力容器设计指导手册（下）》", 31 August 2006 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107569866A (en) * | 2017-10-13 | 2018-01-12 | 茂名瑞派石化工程有限公司 | A kind of new kettle type reboiler and its manufacturing process |
| CN109046502A (en) * | 2018-08-29 | 2018-12-21 | 蔡莉 | A kind of multi-functional pathological anatomy autopsy table |
| CN109046502B (en) * | 2018-08-29 | 2021-01-08 | 烟台毓璜顶医院 | Multifunctional dissecting table for pathological anatomy |
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| CN106166393B (en) | 2018-07-27 |
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