CN1159538C - Apparatus and method for producing a compressed high purity liquid carbon dioxide stream - Google Patents
Apparatus and method for producing a compressed high purity liquid carbon dioxide stream Download PDFInfo
- Publication number
- CN1159538C CN1159538C CNB011226536A CN01122653A CN1159538C CN 1159538 C CN1159538 C CN 1159538C CN B011226536 A CNB011226536 A CN B011226536A CN 01122653 A CN01122653 A CN 01122653A CN 1159538 C CN1159538 C CN 1159538C
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- China
- Prior art keywords
- pressure
- container
- flow
- carbon dioxide
- compression
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- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 87
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 37
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title abstract description 3
- 238000009825 accumulation Methods 0.000 claims abstract description 15
- 238000000746 purification Methods 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 27
- 238000007906 compression Methods 0.000 claims description 27
- 238000005057 refrigeration Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 238000009833 condensation Methods 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000002045 lasting effect Effects 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 description 6
- 238000005086 pumping Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0341—Filters
Landscapes
- Carbon And Carbon Compounds (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
The present invention provides an apparatus and method for producing a high purity, compressed liquid carbon dioxide stream wherein a carbon dioxide vapor feed stream is purified in a purification filter and condensed in a condenser. The resulting liquid is alternately introduced into and dispensed from first and second pressure accumulation vessels. The first and second pressure accumulation vessels are heated by electric heaters to pressurize the liquid to the desired delivery pressure. The liquid carbon dioxide stream is alternately and continuously withdrawn from the first and second pressure accumulation vessels, one of which is used for dispensing while the other is being filled. The compressed liquid carbon dioxide stream may be further filtered in a particulate filter.
Description
Technical field
The present invention relates to be used for prepare the apparatus and method of flow of liquid carbon dioxide pure, compression, wherein be condensed into liquid by the feeding gas that carbon dioxide-vapor is formed, this liquid is heated in a container body and pressurized subsequently.More specifically, the present invention relates to wherein use such apparatus and method of two container body, the flow of liquid carbon dioxide of compression is distributed sustainably.
Background technique
Multiple industrial processes needs high compression, pure flow of liquid carbon dioxide.So the liquid of high compression obtains by the industrial rank liquid carbon dioxide that obtains under the pressure condition of about 13 to 23 crust is purified, and is then that this liquid pumping to one is big under the pressure environments of 20 to 68 crust.
Yet the problem that pumping produced is may introduce product stream as a by-product of mechanical pump operation such as the impurity of particulate or hydrocarbon.Such as will be discussed, solved this problem in the present invention.
Summary of the invention
The invention provides a method that is used for preparing the flow of liquid carbon dioxide of compression, comprising: will import a purification filter by the incoming flow that carbon dioxide-vapor is formed; Incoming flow after pure is condensed in the condenser with a cooling cylinder, becomes intermediate liquid stream; To introduce first and second pressure from the described intermediate liquid stream of described cooling cylinder and build up container; Heat described first and second pressure and build up container so that the liquid that is contained in wherein is forced into discharge pressure; Described flow of liquid carbon dioxide is by compression sent from described first and second pressure accumulation container; Described intermediate liquid stream is alternately imported described first and second pressure build up container, and make described flow of liquid carbon dioxide by compression alternately build up container output from described first and second pressure, build up one of container at described first and second pressure thus and become unprecedented, described intermediate liquid stream is imported into described first and second pressure and builds up among the container another lasting transmission with the flow of liquid carbon dioxide of guaranteeing described compression, and make first and second pressure build up each leisure of container introduce described intermediate liquid stream wherein before with described condenser ventilation.
Best, first and second pressure are built up container all by electric heating.In addition, incoming flow preferably exchanges condensation in condenser by the non-direct heat with refrigeration stream.Can further handle the flow of liquid carbon dioxide of compression by making it introduce particulate filter.
On the other hand, the invention provides a device that is used for preparing the flow of liquid carbon dioxide of compression, comprising: one is used for pure purification filter is carried out in the incoming flow of being made up of carbon dioxide-vapor; One have cooling cylinder, be used for making described incoming flow condenser condensing, described incoming flow to be condensed into intermediate liquid stream; First and second pressure are built up container; Being used for heating described first and second pressure builds up container and thus the liquid in described first and second pressure accumulation container is forced into the heater of carrying pressure; Have the flow network that described condenser is connected in all pipelines of described first and second pressure accumulation container, described pipeline is used for the flow of liquid carbon dioxide of described compression is therefrom discharged; Described flow network has the valve that links to each other with pipeline and builds up container so that alternately be incorporated into described first and second pressure from the intermediate liquid stream of described cooling cylinder, and the flow of liquid carbon dioxide of described compression is alternately built up the container from described first and second pressure and is transferred out, build up one of container at described first and second pressure thus and become unprecedented, described intermediate liquid stream is imported into described first and second pressure and builds up among the container another, guarantees the lasting transmission of the flow of liquid carbon dioxide of described compression thus; The pipeline of described flow network comprises that also one builds up the breathing pipe of container to described condenser from described first and second pressure so that described first and second pressure build up each leisure of container and introduce described intermediate liquid stream wherein before with described condenser ventilation.
Heater preferably includes electric heater and condenser, and this condenser comprises that one has a heat exchanger to exchange the external refrigeration loop that makes the incoming flow condensation by the non-direct heat with refrigeration stream.This device can also comprise further that one is connected in flow network to filter the particulate filter of the flow of liquid carbon dioxide that compresses.
As top discussion as can be known, because heater is used to the liquid pressurization, liquid will can not contact the mechanical pump member that impurity may be brought into the liquid carbon dioxide of compression.In addition, owing to do not use pump, will be more next as to lack according to the maintenance requirement of apparatus of the present invention than previous device.Specification as end, is clearly pointed out relevant its subject matter of an invention of claimant with claim simultaneously, believes by making the present invention more understandable in conjunction with individual accompanying drawing.
Description of drawings
Fig. 1 is a device schematic representation of implementing the inventive method.
Embodiment
Consult Fig. 1, wherein show according to a device 1 of the present invention.It can be the coalescing filter of any dose known amounts and/or the purification filter 12 of preferential adsorption filter that the incoming flow of being made up of carbon dioxide-vapor 10 is imported into.Valve 14,16 is configured to isolate purification filter 12.
Pure incoming flow is imported into and wherein is provided with the condenser 18 that vapor condensation is become the cooling cylinder 20 of liquid.This condensation is finished by external refrigeration unit 22, and this external refrigeration unit 22 makes refrigeration stream pass through preferably heat exchanger 24 circulations of shelly or tubular structure.Go up in this respect, condenser 18 can comprise the heat exchanger that an independent cooling cylinder is supplied with.Separating valve 23,25 can be configured to isolate refrigeration unit 22.Liquid level is by pressure difference transducer 26 controls of pressure reduction between liquid in the detection condenser 26 and steam.Although the signal not shown, that the controller acceptance of a programmable form is come out from pressure difference transducer 26 to fall predetermined following time of horizontal plane when the surface of liquid 20, drives refrigeration unit 22.
Such as the understanding because steam condensation in condenser 18, any separate impurities will be finished by making more volatilization impurity remain in the uncondensed vapor and less volatilization impurity being condensate in the liquid in the steam.Although not shown, the sample pipeline will be connected in condenser 18 when being necessary liquid and steam sampled and to extract out, to be reduced in the impurity concentration in the condenser 18.
The intermediate liquid stream of being made up of high-purity liquid 20 is imported into first and second pressure accumulation container 28,30.First and second pressure are built up preferably each free electric heating apparatus 33,34 heating of container 28,30, liquid is forced into the discharge pressure of the compressed liquid carbon dioxide stream that is produced by device 1.
The liquid that first, second pressure is built up container 28,30 by one have an inlet pipe 32, intermediate flow is offered pressure build up the flow network of container 28,30 and flow out or flow into.Compressed liquid carbon dioxide stream is built up container 28,30 by an outlet conduit 35 from first, second pressure and is transferred out.In addition, each container in first, second pressure accumulation container 28,30 is by a breathing pipe 36 and condenser 18 ventilations.
The valve net is used for being controlled at the flow of fluid in the valve net.Go up in this respect, control valve 38 and 40 control intermediate liquid streams flow to first, second pressure from condenser 18 and build up container 28,30.Controlling liquid flows through outlet conduit 35 to be finished by control valve 42,44.First, second pressure is built up the ventilation of container 28,30 and is finished by control valve 46,48.
When second pressure was built up container 30 near emptying state, control valve 42 was opened and control valve 44 is closed so that compressed liquid carbon dioxide stream is distributed from first pressure accumulation container 28.Simultaneously, pass through electric heater 34 and pressurized because second pressure is built up container 30, control valve 48 is opened so that pressure is switched on to condenser 20 at this moment.This makes second pressure build up container 30 and accepts more liquid because intermediate liquid stream is introduced second pressure accumulation container 30 by inlet pipe 32.For this reason, control valve 40 is set at the enable possition.When pressure difference transducer 52 indications second pressure accumulation container 30 was in full state, control valve 40,48 was closed and the liquid in second pressure is built up container 30 is heated so that liquid is pressurizeed by electric heater 34.
When first pressure was built up container 28 near evacuated, when being detected by pressure difference transducer 50, control valve 42 was closed and control valve 44 is opened so that the flow of liquid carbon dioxide of compression dispenses from second pressure accumulation container 30.Simultaneously, control valve 46 is opened so that first pressure is built up the valve ventilation of container 28.Control valve 38 is opened so that intermediate liquid stream is filled first pressure and is built up container 28.When differential pressure pickup indication filling was finished, control valve 38 and 46 was closed, and liquid is heated so that the liquid pressurized in first pressure is built up container 28 by electric heater 33.
Above-mentioned all valves are with cycle operation, and the liquid carbon dioxide of compression is continued to distribute thus.This cycle is preferably by the unshowned programmable logic controller (PLC) controls that is connected in pressure difference transducer 50,52. Pressure difference transducer 50,52 produces builds up the relevant signal of the interior liquid level of container 28,30 with first, second pressure and in response to these signals, controller long-distance remote control ground and automatically handle above-mentioned control valve.Here also has a pressure difference transducer that is used for monitoring the liquid level height in the condenser 18, and controller stops condensation process by cutting off refrigeration unit 22 before being filled in CONDENSATE POT, so that makes carbon dioxide build up container 28,30 from first, second pressure in fill cycle to be ventilated.
Best, delivery channel 35 is connected in particulate filter 54 so that any fume in this liquid is removed.
Though in conjunction with preferred embodiment the present invention is described, yet under the premise without departing from the spirit and scope of the present invention, those are skillful in those skilled in the art and can make it and multiplely add, change and delete.
Claims (8)
1. a method that is used for preparing the flow of liquid carbon dioxide of compression comprises:
To import a purification filter by the incoming flow that carbon dioxide-vapor is formed;
Incoming flow after pure is condensed in the condenser with a cooling cylinder, becomes intermediate liquid stream;
To introduce first and second pressure from the described intermediate liquid stream of described cooling cylinder and build up container;
Heat described first and second pressure and build up container so that the liquid that is contained in wherein is forced into discharge pressure;
Described flow of liquid carbon dioxide is by compression sent from described first and second pressure accumulation container;
Described intermediate liquid stream is alternately imported described first and second pressure build up container, and make described flow of liquid carbon dioxide by compression alternately build up container output from described first and second pressure, build up one of container at described first and second pressure thus and become unprecedented, described intermediate liquid stream is imported into described first and second pressure and builds up among the container another lasting transmission with the flow of liquid carbon dioxide of guaranteeing described compression, and
Making first and second pressure build up each leisure of container will ventilate with described condenser before the introducing wherein of described intermediate liquid stream.
2. method according to claim 1 is characterized in that, described first and second pressure build up container each naturally by electric heating.
3. method according to claim 1 is characterized in that, described incoming flow by with non-direct heat exchange condensation in described condenser of refrigeration stream.
4. method according to claim 1 is characterized in that, comprises that also the flow of liquid carbon dioxide with described compression imports in the particulate filter.
5. a device that is used for preparing the flow of liquid carbon dioxide of compression comprises:
One is used for pure purification filter is carried out in the incoming flow of being made up of carbon dioxide-vapor;
One have cooling cylinder, be used for making described incoming flow condenser condensing, described incoming flow to be condensed into being intermediate liquid stream;
First and second pressure are built up container;
Being used for heating described first and second pressure builds up container and thus the liquid in described first and second pressure accumulation container is forced into the heater of carrying pressure;
Have the flow network that described condenser is connected in all pipelines of described first and second pressure accumulation container, described pipeline is used for the flow of liquid carbon dioxide of described compression is therefrom discharged;
Described flow network has the valve that links to each other with pipeline and builds up container so that alternately be incorporated into described first and second pressure from the described intermediate liquid stream of described cooling cylinder, and the flow of liquid carbon dioxide of described compression is alternately built up the container from described first and second pressure and is transferred out, build up one of container at described first and second pressure thus and become unprecedented, described intermediate liquid stream is imported into described first and second pressure and builds up among the container another, guarantees the lasting transmission of the flow of liquid carbon dioxide of described compression thus;
The pipeline of described flow network comprises that also one builds up the breathing pipe of container to described condenser from described first and second pressure so that described first and second pressure build up each leisure of container and introduce described intermediate liquid stream wherein before with described condenser ventilation.
6. as device as described in the claim 5, it is characterized in that described heater comprises electric heater.
7. as device as described in the claim 5, it is characterized in that described condenser comprises that one has a heat exchanger with by making the external refrigeration loop of described incoming flow condensation with the non-direct heat exchange of refrigeration stream.
8. as device as described in the claim 5, it is characterized in that, comprise that also one is connected in the particulate filter of described flow network with the flow of liquid carbon dioxide that filters described compression.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/604,947 | 2000-06-27 | ||
| US09/604,947 US6327872B1 (en) | 2000-01-05 | 2000-06-27 | Method and apparatus for producing a pressurized high purity liquid carbon dioxide stream |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1335476A CN1335476A (en) | 2002-02-13 |
| CN1159538C true CN1159538C (en) | 2004-07-28 |
Family
ID=24421652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011226536A Expired - Fee Related CN1159538C (en) | 2000-06-27 | 2001-06-27 | Apparatus and method for producing a compressed high purity liquid carbon dioxide stream |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100433323B1 (en) |
| CN (1) | CN1159538C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7813627B2 (en) * | 2006-09-29 | 2010-10-12 | Praxair Technology, Inc. | Low vapor pressure high purity gas delivery system |
| US20120174621A1 (en) * | 2011-01-06 | 2012-07-12 | General Electric Company | Carbon dioxide liquefaction system |
| US10066884B2 (en) * | 2013-07-25 | 2018-09-04 | Denbury Resources Inc. | Method and apparatus for dampening flow variations and pressurizing carbon dioxide |
| ITUA20161329A1 (en) | 2016-03-03 | 2017-09-03 | Saes Pure Gas Inc | Compression of carbon dioxide and delivery system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010000392A (en) * | 2000-09-26 | 2001-01-05 | 김동현 | Emergency fuel supplier for gas vehicles |
-
2001
- 2001-06-27 KR KR10-2001-0037165A patent/KR100433323B1/en not_active Expired - Fee Related
- 2001-06-27 CN CNB011226536A patent/CN1159538C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1335476A (en) | 2002-02-13 |
| KR20020001639A (en) | 2002-01-09 |
| KR100433323B1 (en) | 2004-05-27 |
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| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20040728 Termination date: 20140627 |
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