CN103604277A - Carbon dioxide pre-cooling liquidation and purification integrated device - Google Patents
Carbon dioxide pre-cooling liquidation and purification integrated device Download PDFInfo
- Publication number
- CN103604277A CN103604277A CN201310512389.3A CN201310512389A CN103604277A CN 103604277 A CN103604277 A CN 103604277A CN 201310512389 A CN201310512389 A CN 201310512389A CN 103604277 A CN103604277 A CN 103604277A
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- hollow cylinder
- carbon dioxide
- perforated plate
- shell side
- refrigerant
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 36
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 36
- 238000000746 purification Methods 0.000 title claims abstract description 22
- 238000001816 cooling Methods 0.000 title abstract description 5
- 239000003507 refrigerant Substances 0.000 claims abstract description 32
- 230000010354 integration Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 4
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 description 17
- 239000012071 phase Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 238000007701 flash-distillation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Separation By Low-Temperature Treatments (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention relates to a carbon dioxide pre-cooling liquidation and purification integrated device and aims at providing a carbon dioxide purification device which is simple in structure and capable of achieving integration of pre-cooling liquidation and purification. The device comprises a hollow column with two ends sealed through end enclosures. Tube plates capable of cutting off the hollow column transversely are arranged at the seal positions of the end enclosures and the hollow column, and the two tube plates are communicated through a vertical tube. A raw material inlet is formed in the upper portion of the vertical tube casing pass of the hollow column, a product outlet is formed in the lower portion of the hollow column, and baffle plates are arranged in the hollow column between the raw material inlet and the product outlet. A refrigerant outlet is formed in the top of the upper end enclosure, a refrigerant inlet is formed in the lower end enclosure, and the refrigerants flow in the tube pass. According to the device, four processes of pre-cooling liquidation, separation and purification of carbon dioxide is achieved through only one heat exchange device, so that design costs and manufacture expenses are reduced, the occupied area is decreased, the number of instruments and meters is controlled, long-period stable production can be achieved, and the quality and the efficiency are guaranteed.
Description
Technical field
The present invention relates to a kind of gas purification equipment, be specifically related to a kind of carbon dioxide precooling liquefaction purification integration apparatus.
Background technology
Existing carbon dioxide purification technique is that the gas that contains carbon dioxide after compression is sent into forecooler, by carrying out reaching the condensing temperature under this pressure after heat exchange with refrigerant, again the gas after liquefaction is sent in evaporative condenser, the gas phase carbon dioxide reaching after liquefaction point continues to absorb the cold that refrigerant phase transformation produces, make gas progressively reach dew point and be cooled into liquid phase, this gas-liquid phase mixture is admitted to gas-liquid separator again and carries out liquid phase separation, the liquid phase that separation obtains enters smart purifier again, by flash distillation rectifying, the gas phase of carrying secretly in liquid phase is liquefied again, by bottom local heat, the a small amount of on-condensible gas dissolving in liquid phase is fully discharged to discharge system, to improve yield and the product purity of carbon dioxide.
Prior art there is following shortcoming:
1, number of devices is many, at least need a forecooler, an evaporative condenser, a gas-liquid phase separator and a smart purifier, the heat exchange area of every equipment all needs independent calculating, and design cost and manufacturing cost are large, the floor space of equipment is also large, and cost of investment is high;
2, equipment is many, and control instrument is also many, causes dimension maintenance and the also corresponding increase of periodic calibration workload, and expense is relatively also high;
3, process route is long, controls parameter many, thereby has greatly increased the difficulty of technology controlling and process, causes unstable product quality, and product yield is low.
Summary of the invention
The object of the present invention is to provide a kind of simple structure, can realize the integrated carbon dioxide equipment for purifying of precooling liquefaction purification.
For achieving the above object, the technical solution used in the present invention is: carbon dioxide precooling liquefaction purification integration apparatus, comprise the hollow cylinder that two ends seal with upper cover and low head respectively, upper cover and hollow cylinder involution place arrange can be by the transversal disconnected upper perforated plate of hollow cylinder, low head and hollow cylinder involution place arrange and can, by the transversal disconnected lower perforated plate of hollow cylinder, between upper perforated plate and lower perforated plate, with tubulation, be communicated with; The material inlet being communicated with inside and outside can be by hollow cylinder is set on the hollow cylinder between hollow cylinder length direction centre position and upper perforated plate, the products export being communicated with inside and outside can be by hollow cylinder is set on the hollow cylinder between hollow cylinder length direction centre position and lower perforated plate, and the hollow cylinder inside between material inlet and products export arranges polylith deflection plate; Upper cover top arranges and is communicated with the inside and outside refrigerant exit of upper cover, arranges and be communicated with the inside and outside refrigerant import of low head on low head.Described hollow cylinder i.e. cylinder in a tubular form, and its inside connects.
That is to say the tubular heat exchanger of this equipment for vertically placing, between upper cover and upper perforated plate, form between cavity, low head and lower perforated plate and form cavity, two cavitys are communicated with tubulation, and being raw material, carbonated gas enters shell side from the top of equipment, by bottom, leave equipment, refrigerant enters tube side by low head, by top, leaves equipment.
Four functions of the prior art have been realized in carbon dioxide precooling liquefaction of the present invention purification integration apparatus inside: precooling, evaporative condenser, gas-liquid phase separator, flash distillation rectifying, the heat transfer process of these four kinds of functions is all intersecting generation simultaneously at each position of equipment.Liquid phase conversion and control the flow direction of internal flow: no matter being carbon dioxide or refrigerant, is all that top is gas phase, and bottom is liquid phase, and centre is the mixing of liquid phase, thereby reverse relative the flowing of the interior material of forming device and refrigerant.The cold transmission that phase transformation occurs, cause the reverse phase transformation in flow process, refrigerant enters from bottom, it is all almost now liquid phase, cold is very sufficient, while up walking along tube side, carry out the exchange of cold with the carbon dioxide at shell side, make the liquid phase in refrigerant constantly absorb heat and become gas phase, form gas-liquid mixed phase, final cold almost all discharges complete, becoming gas phase discharges from equipment top, and when simultaneously the carbon dioxide in raw material enters shell side from top, after obtaining cold, refrigerant progressively by gas phase, becomes gas-liquid mixture, finally become liquid, at this, realize in opposite directions the separation of liquid phase in flow process.
Further, described tubulation number is 1806, and heat exchange area is 800m
2.Heat exchange area is the product of the distance between tubulation number, π, tubulation external diameter, upper perforated plate and lower perforated plate.
Further, described deflection plate is 5, and deflection plate place plane is vertical with hollow cylinder central shaft, and adjacent deflection plate equates along the spacing of hollow cylinder length.
Further, described deflection plate is fixed by many positioning pipes, and described hollow cylinder is cylinder, and described deflection plate is shaped as circle and lacks shape, and the diameter of deflection plate and the cross-sectional diameter of hollow cylinder equate.That is to say that deflection plate is single segmental baffle, deflection plate place plane is axially vertical with tubulation, and heat exchanger shell is cylindrical, like this can be so that the fluid in shell side flows more even.
Further, described hollow cylinder is at the set temperature meter middle part, place, centre position of its length direction interface, in upper cover place set temperature meter upper interface, at set temperature meter bottom, low head place interface.
Further, the nearly upper perforated plate of described hollow cylinder place arranges shell side gas evacuation port, and the nearly lower perforated plate of described hollow cylinder place arranges shell side emptying rate of liquid mouth, and described low head bottom arranges bottom evacuation port.It is for on-condensible gas and waste liquid are drained that evacuation port is set, and avoids, to destroying the stability of system process, equipment being worked the mischief.
Further preferred, described shell side gas evacuation port is concordant with upper perforated plate, described shell side emptying rate of liquid mouth is concordant with lower perforated plate, shell side gas evacuation port and the opening part of shell side emptying rate of liquid mouth on hollow cylinder arrange reinforcing device, and shell side gas evacuation port is two and symmetrical about hollow cylinder central shaft.The height that is to say the setting of shell side gas evacuation port is consistent with upper perforated plate height, and the height that shell side emptying rate of liquid mouth arranges is consistent with lower perforated plate height.Reinforcing device can be the metal boss of welding, the metal reinforcing plates that also can weld.Like this can be when guaranteeing the resistance to overturning of equipment, allow waste liquid and the easier device for transferring of on-condensible gas in shell side.
Utilize the technique of above-mentioned carbon dioxide precooling liquefaction purification integration apparatus purifying carbon dioxide: described refrigerant is liquefied ammonia, controls material inlet place and products export place device interior temperature-difference and is more than or equal to 50 ℃.Namely keep the temperature of unstrpped gas access arrangement and purify after the temperature difference of carbon dioxide liquid be not less than 50 ℃, can guarantee that like this carbon dioxide can carry out smoothly precooling, evaporative condenser, gas-liquid phase separator, these four steps of flash distillation rectifying and carry out smoothly in the shell side of equipment.
Further, the height of the interior liquefied ammonia of described tubulation is not higher than 1/4th of tubulation length.While that is to say equipment stable operation, keep the height of liquefied ammonia in tubulation inside to be less than or equal to 1/4th of tubulation length.
Further preferred, described refrigerant inlet temperature is normal temperature, and pressure is controlled at 1.1-1.2MPa, and outlet refrigerant temperature is-20 ℃, and pressure is controlled at below 0.1MPa.
In technique scheme, the consumption of each component is the optimum feed stock ratio that participates in reaction, but the variation that those skilled in the art can instruction according to the present invention be equal to.For example: because the parameter that the error of industrial production itself causes changes with technical scheme of the present invention, be equal to.
The present invention compared with prior art tool has the following advantages:
1, number of devices greatly reduces, by existing at least four, be kept to one, control instrument metered quantity has also lacked manyly thereupon, and directly design cost, manufacturing cost, floor space, equipment dimension recondition expense, instrument period expense, labour cost etc. all can significantly reduce;
2, the Principles of Chemical Engineering such as hydrodynamics and heat transmission for this equipment science land productivity, each unit operations intersection is carried out, and device structure is simple, and efficiency is high;
3, significantly shortened process route, controlled parameter and reduce, control ability is strong, can realize long period steady production, ensure quality and yield.
Accompanying drawing explanation
Fig. 1 is the structural representation of carbon dioxide precooling liquefaction purification integration apparatus of the present invention.
The specific embodiment
For those skilled in the art are known and technical scheme clearly of the present invention more, spy provides preferred embodiment below, but technological thought of the present invention is not limited to following examples.
This equipment is that the cylinder type hollow cylinder of 8 meters of height overalls is hollow cylindrical body, upper and lower two ends seal with ellipse head, upper cover 2 arranges with hollow cylindrical body involution place can be by the transversal disconnected upper perforated plate 16 of hollow cylindrical body, low head 9 arranges and can, by the transversal disconnected lower perforated plate 13 of hollow cylindrical body, between upper perforated plate 16 and lower perforated plate 13, with tubulation, be communicated with hollow cylindrical body involution place.On the hollow cylindrical body between hollow cylindrical body length direction centre position and upper perforated plate 16, the material inlet 5 that cylinder hollow inside and outside can be communicated with is set, on the hollow cylindrical body between hollow cylindrical body length direction centre position and lower perforated plate 13, the products export 7 that cylinder hollow inside and outside can be communicated with is set; Upper cover 2 tops arrange and are communicated with the inside and outside refrigerant exit 1 of upper cover 2, arrange and be communicated with the inside and outside refrigerant import 11 of low head 9 on low head 9, and low head 9 bottoms arrange bottom evacuation port 10.
Hollow cylindrical body inside between material inlet 5 and products export 7 arranges polylith deflection plate 15, and deflection plate 15 quantity are 5, and deflection plate 15 place planes are vertical with hollow cylindrical body central shaft, and adjacent deflection plate 15 equates along the spacing of cylinder hollow body length.Described tubulation number is 1806, and heat exchange area is 800m
2.Positioning pipe 14 is with deflection plate and tube sheet is affixed that deflection plate 15 positions are fixed, and deflection plate is shaped as 25% the single segmental baffle that breach area is hollow cylindrical body internal cross-sectional area, and the diameter of deflection plate and the cross-sectional diameter of hollow cylindrical body equate.
Hollow cylindrical body is at the set temperature meter middle part, place, centre position of its length direction interface 6, in upper cover place set temperature meter upper interface 3, at low head 9 set temperature meter bottom, place interfaces 8.By these three thermometer bosses, temperature sensor is placed in to hollow cylindrical body inside.
The nearly upper perforated plate of hollow cylindrical body 16 places arrange shell side gas evacuation port 4, the nearly lower perforated plate of hollow cylindrical body 13 places arrange shell side emptying rate of liquid mouth 12, shell side gas evacuation port 4 is concordant with upper perforated plate 16, shell side emptying rate of liquid mouth 12 is concordant with lower perforated plate 13, and shell side gas evacuation port 4 and shell side emptying rate of liquid mouth 12 opening part on hollow cylindrical body increases a corrosion resistant plate of weldering.Shell side gas evacuation port 4 is two and symmetrical about the central shaft of hollow cylindrical body.
When equipment is in running order, the carbonated gas after front operation purifies flows downward in material inlet 5 access arrangement shell sides, carries out reverse heat-exchange with the refrigerant in tube side, is finally phase-changed into liquid state, from products export 7 device for transferring.Refrigerant is entering tube side from refrigerant import 11, in mobile process from bottom to top, by liquid state, crossfades into gaseous state, the cold that its phase transformation is produced removes the carbon dioxide in cooling shell side, finally from the refrigerant exit 1 at equipment top, leave, then deicing machine recaptures cold, recycle after being liquefied as liquid phase.
Between material inlet 5 and upper perforated plate 16, mainly stressing essence purifies, rising along with gas, the on-condensible gas dissolving in liquid CO 2 is also assembled gradually and rises, in the upper-part centralized of tubulation shell side, emptying by the shell side gas evacuation port 4 liang concordant with upper perforated plate 16; Material inlet is below 5, and between first and second piece deflection plate 15, region mainly lays particular emphasis on the precooling of carbon dioxide, and now gaseous state temperature of charge is higher, can not be liquefied, and at this and refrigerant, carries out for the first time heat exchange, obtains cold and reduces gas temperature, reaches liquefaction point; Between the deflection plate 15 of the 3rd, the 4th, the 5th, region, liquid plant middle and lower part, region mainly stresses the liquefaction at material, carry out gas-liquid separation simultaneously, carbon dioxide carries out heat exchange with refrigerant from bottom to top during this period, at refrigerant, place obtains cold, portion gas is cooled to liquid, collect with the gas-liquid mixture rising from bottom, under the intervention of polylith deflection plate 15, making gas-liquid mixture become curve to flow rises, multiple combination obstacle makes logistics constantly change flow direction, add very large separated space, make liquid phase realize the separation of two-phase at this.
During equipment stable operation, refrigerant inlet temperature is normal temperature, and pressure is controlled at 1.1-1.2MPa, and refrigerant exit 1 temperature is-20 ℃, and pressure is controlled at below 0.1MPa, 28 ℃ of carbon dioxide inlet temperature, outlet temperature-25 ℃, pressure 2.5MPa.The height of liquefied ammonia in tubulation inside is less than 1/4th of tubulation length.
Claims (10)
1. carbon dioxide precooling liquefaction purification integration apparatus, comprise the hollow cylinder that two ends use respectively upper cover (2) and low head (9) to seal, it is characterized in that: upper cover (2) arranges with hollow cylinder involution place can be by the transversal disconnected upper perforated plate of hollow cylinder (16), low head (9) arranges with hollow cylinder involution place can be by the transversal disconnected lower perforated plate of hollow cylinder (13), between upper perforated plate (16) and lower perforated plate (13), with tubulation, is communicated with; The material inlet (5) being communicated with inside and outside can be by hollow cylinder is set on the hollow cylinder between hollow cylinder length direction centre position and upper perforated plate (16), the products export (7) being communicated with inside and outside can be by hollow cylinder is set on the hollow cylinder between hollow cylinder length direction centre position and lower perforated plate (13), and the hollow cylinder inside between material inlet (5) and products export (7) arranges polylith deflection plate (15); Upper cover (2) top arranges and is communicated with the inside and outside refrigerant exit (1) of upper cover (2), arranges and be communicated with the inside and outside refrigerant import (11) of low head (9) on low head (9).
2. carbon dioxide precooling liquefaction purification integration apparatus according to claim 1, is characterized in that: described tubulation number is 1806, and heat exchange area is 800m
2.
3. carbon dioxide precooling according to claim 1 liquefaction purification integration apparatus, it is characterized in that: described deflection plate (15) is 5, deflection plate (15) place plane is vertical with hollow cylinder central shaft, and adjacent deflection plate (15) equates along the spacing of hollow cylinder length.
4. carbon dioxide precooling according to claim 1 liquefaction purification integration apparatus, it is characterized in that: described deflection plate (15) is fixing by many positioning pipes (14), described hollow cylinder is cylinder, described deflection plate (15) is shaped as circle and lacks shape, and the diameter of deflection plate (15) equates with the cross-sectional diameter of hollow cylinder.
5. carbon dioxide precooling according to claim 1 liquefaction purification integration apparatus, it is characterized in that: described hollow cylinder is at the set temperature meter middle part, place, centre position of its length direction interface (6), at upper cover (2), locate set temperature meter upper interface (3), at low head (9), locate set temperature meter bottom interface (8).
6. carbon dioxide precooling according to claim 1 liquefaction purification integration apparatus, it is characterized in that: the nearly upper perforated plate of described hollow cylinder (16) locates to arrange shell side gas evacuation port (4), the nearly lower perforated plate of described hollow cylinder (13) locates to arrange shell side emptying rate of liquid mouth (12), and described low head (9) bottom arranges bottom evacuation port (10).
7. carbon dioxide precooling according to claim 6 liquefaction purification integration apparatus, it is characterized in that: described shell side gas evacuation port (4) is concordant with upper perforated plate (16), described shell side emptying rate of liquid mouth (12) is concordant with lower perforated plate (13), shell side gas evacuation port (4) and the opening part of shell side emptying rate of liquid mouth (12) on hollow cylinder arrange reinforcing device, and shell side gas evacuation port (4) is two and symmetrical about hollow cylinder central shaft.
8. utilize the technique of any one carbon dioxide precooling liquefaction purification integration apparatus purifying carbon dioxide in claim 1 to 8, it is characterized in that: described refrigerant is liquefied ammonia, control that material inlet (5) is located and products export (7) is located device interior temperature-difference and is more than or equal to 50 ℃.
9. the technique of purifying carbon dioxide according to claim 9, is characterized in that: in described tubulation, the height of liquefied ammonia is not higher than 1/4th of tubulation length.
10. the technique of purifying carbon dioxide according to claim 9, is characterized in that: described refrigerant inlet temperature is normal temperature, and pressure is controlled at 1.1-1.2MPa, and refrigerant exit (1) temperature is-20 ℃, and pressure is controlled at below 0.1MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310512389.3A CN103604277B (en) | 2013-10-25 | 2013-10-25 | Carbon dioxide precooling liquefaction purification integration apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310512389.3A CN103604277B (en) | 2013-10-25 | 2013-10-25 | Carbon dioxide precooling liquefaction purification integration apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN103604277A true CN103604277A (en) | 2014-02-26 |
| CN103604277B CN103604277B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310512389.3A Active CN103604277B (en) | 2013-10-25 | 2013-10-25 | Carbon dioxide precooling liquefaction purification integration apparatus |
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| Country | Link |
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| CN (1) | CN103604277B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052422A (en) * | 2016-07-13 | 2016-10-26 | 浙江智海化工设备工程有限公司 | Tube plate structure of air separation steam heater |
| CN109000429A (en) * | 2018-10-15 | 2018-12-14 | 聊城市鲁西化工工程设计有限责任公司 | A kind of co 2 liquefaction device and technique |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2480354Y (en) * | 2001-05-29 | 2002-03-06 | 杭州快凯高效节能新技术有限公司 | Refinery preparation tower for food carbon dioxide |
| JP4313662B2 (en) * | 2003-12-10 | 2009-08-12 | 株式会社神戸製鋼所 | Carbon dioxide liquefaction separator |
| CN201313820Y (en) * | 2008-10-23 | 2009-09-23 | 安乡金大地化工有限责任公司 | Carbon dioxide purified emptied cool air exchanger |
| CN202729810U (en) * | 2012-08-14 | 2013-02-13 | 杭州快凯高效节能新技术有限公司 | High purity liquid carbon dioxide purification apparatus |
| CN203586673U (en) * | 2013-10-25 | 2014-05-07 | 兰州裕隆气体有限责任公司 | Precooling, liquidation and purification integrated equipment for carbon dioxide |
-
2013
- 2013-10-25 CN CN201310512389.3A patent/CN103604277B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2480354Y (en) * | 2001-05-29 | 2002-03-06 | 杭州快凯高效节能新技术有限公司 | Refinery preparation tower for food carbon dioxide |
| JP4313662B2 (en) * | 2003-12-10 | 2009-08-12 | 株式会社神戸製鋼所 | Carbon dioxide liquefaction separator |
| CN201313820Y (en) * | 2008-10-23 | 2009-09-23 | 安乡金大地化工有限责任公司 | Carbon dioxide purified emptied cool air exchanger |
| CN202729810U (en) * | 2012-08-14 | 2013-02-13 | 杭州快凯高效节能新技术有限公司 | High purity liquid carbon dioxide purification apparatus |
| CN203586673U (en) * | 2013-10-25 | 2014-05-07 | 兰州裕隆气体有限责任公司 | Precooling, liquidation and purification integrated equipment for carbon dioxide |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052422A (en) * | 2016-07-13 | 2016-10-26 | 浙江智海化工设备工程有限公司 | Tube plate structure of air separation steam heater |
| CN109000429A (en) * | 2018-10-15 | 2018-12-14 | 聊城市鲁西化工工程设计有限责任公司 | A kind of co 2 liquefaction device and technique |
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| Publication number | Publication date |
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| CN103604277B (en) | 2016-01-20 |
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Address after: 730000 Gansu province Xigu District of Lanzhou City chemical Street No. 210 Patentee after: LANZHOU YULONG GAS CO.,LTD. Address before: 730000 Gansu province Xigu District of Lanzhou City chemical Street No. 210 Patentee before: LANZHOU YULONG GAS Co.,Ltd. |
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Denomination of invention: Integrated equipment for carbon dioxide precooling, liquefaction and purification Effective date of registration: 20220329 Granted publication date: 20160120 Pledgee: Bank of China Limited Lanzhou Xigu center sub branch Pledgor: LANZHOU YULONG GAS CO.,LTD. Registration number: Y2022620000008 |
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Date of cancellation: 20231013 Granted publication date: 20160120 Pledgee: Bank of China Limited Lanzhou Xigu center sub branch Pledgor: LANZHOU YULONG GAS CO.,LTD.|JINCHANG LONGBO GAS Co.,Ltd. Registration number: Y2022620000008 |