CN206613203U - Carbon dioxide in natural avenges separator and piece-rate system - Google Patents
Carbon dioxide in natural avenges separator and piece-rate system Download PDFInfo
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- CN206613203U CN206613203U CN201720381089.XU CN201720381089U CN206613203U CN 206613203 U CN206613203 U CN 206613203U CN 201720381089 U CN201720381089 U CN 201720381089U CN 206613203 U CN206613203 U CN 206613203U
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- gas
- air inlet
- tank body
- pipeline
- mixed gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model discloses carbon dioxide in natural snow separator and piece-rate system；Carbon dioxide in natural avenges separator, including tank body, the bottom of the tank body is provided with mixed gas air inlet and mixed gas gas outlet, and tank body is separated into two parts by the bottom of tank body provided with thawing column plate, and tank body is provided with mixed gas air inlet pipe and CO in the top wall for melting column plate2Flow export, mixed gas air inlet pipe is oppositely arranged in the gas outlet of tank interior with nozzle, and nozzle is connected with air inlet pipe, and the top of the tank body is exported provided with residual gas.Not against chemical agent, according to CO2Characteristic of sublimating, device of sublimating is enabled in a device so that CO2It can realize that a step is separated with natural gas, shorten and contain CO2Natural gas processing flow, reduces energy consumption.
Description
Technical field
The utility model is related to the isolation technics of carbon dioxide in natural, more particularly to a kind of carbon dioxide in natural
Avenge separator and piece-rate system.
Background technology
In current fossil energy increasingly depleted, in the case that ecological environment go fromes bad to worse, to the energy in people's production and living
Demand but rapidly increase, imbalance between supply and demand more protrude.For oil-gas mining, with injection CO2Method can improve oil gas and adopt
Yield.At present, CO2Drive mining type has further application in Shengli Oil Field, Jilin Oil Field, Zhongyuan Oil Field etc., obtains
Good raising recovery ratio effect.
But mined natural gas contains more CO2And other impurities, can not directly it use, the conventional place of tradition
Science and engineering skill is dehydration and deacidifying process long flow path, and equipment is numerous, high energy consumption.
The content of the invention
The purpose of this utility model is exactly that there is provided a kind of separation of carbon dioxide in natural snowization in order to solve the above problems
Device and piece-rate system, not against chemical agent, according to CO2Characteristic of sublimating, device of sublimating is enabled in a device so that CO2Can
Realize that a step is separated with natural gas, shorten and contain CO2Natural gas processing flow, reduces energy consumption.
To achieve these goals, the utility model is adopted the following technical scheme that：
Carbon dioxide in natural avenges separator, including tank body, and the bottom of the tank body is provided with mixed gas air inlet
With mixed gas gas outlet, tank body is separated into two parts by the bottom of tank body provided with thawing column plate, and tank body is melting the upper of column plate
Portion's wall is provided with mixed gas air inlet pipe and CO2Flow export, mixed gas air inlet pipe is in the gas outlet of tank interior and nozzle phase
To setting, nozzle is connected with air inlet pipe, and the top of the tank body is exported provided with residual gas.
It is hemispherical at the top and bottom of the tank body.
Gas outlet of the mixed gas air inlet pipe in tank body is set upward, is oppositely arranged with the nozzle that sets down.
The mixed gas air inlet pipe is provided with bubble-cap on the gas outlet in tank body, it is ensured that the CO of solid-state2It will not fall on out
In gas port.
The piece-rate system of separator, including CO are avenged using the carbon dioxide in natural2Gas cylinder and methane gas cylinder, institute
State CO2Gas cylinder and methane gas cylinder are connected to gas mixing tank by pipeline, and the outlet of the gas mixing tank is connected by pipeline
To the mixed gas air inlet, the mixed gas gas outlet is connected to heat exchanger, the heat exchanger and liquid nitrogen by pipeline
Bottle connection, the heat exchanger is connected to the mixed gas air inlet pipe by pipeline；
The CO2Flow export connects CO by pipeline2Storage tank；The residual gas outlet is connected to gas by pipeline
The air inlet being connected with the nozzle is connected to by pipeline after cooler, the outlet connection flash tank of the gas cooler
Pipe.
CO2Gas cylinder and methane gas cylinder on the tank connected pipeline of the gas mixing with being designed with pressure-reducing valve, gate valve and stream
Gauge；The pipeline that the heat exchanger is connected with the mixed gas air inlet pipe is provided with thermometer, pressure gauge.
Counterbalance valve is additionally provided with the pipeline that the residual gas outlet is connected with the gas cooler.
The heat exchanger is also connected with water bath with thermostatic control system.
The beneficial effects of the utility model：
The utility model is to carry out CO for mined natural gas2Separated with a step of methane, realize that natural gas is net
Change and CO2Recycling.It can both be realized to CO by this invention2Recovery to recycle, it is not discharged into sky largely
Aggravate " greenhouse effects " in gas, the purified treatment of natural gas can be realized again, is greatly shortened containing CO2The purified treatment stream of natural gas
Journey, reduces energy consumption.
Not against chemical agent, according to CO2Characteristic of sublimating, device of sublimating is enabled in a device so that CO2Can be with day
Right gas realizes that a step is separated, and shortens and contains CO2Natural gas processing flow, reduces energy consumption.
Integrated apparatus ensures the CO after reclaiming2Purity and major product natural gas clean-up effect, i.e. CO2Content is low
In 3%, the national class requirements for gas quality of commercial natural gas two is reached.
Ensure CO with temperature technique is become2Not occluding device inner member and pipeline, it is ensured that the safe and reliable operation of equipment.
Brief description of the drawings
Fig. 1 is the structural representation that carbon dioxide in natural avenges separator；
Fig. 2 is piece-rate system structural representation.
Wherein, 1. pressure-reducing valve, 2. gate valves, 3. flowmeters, 4. gas mixing tanks, 5. dry ice separators, 6. is permanent
Warm water bath system, 7. heat exchangers, 8. thermometers, 9. pressure gauges, 10.CO2Storage tank, 11. first flowmeters, 12. flanges, 13.
Flash tank, 14. gas coolers, 15. counterbalance valves；
5.1 mixed gas air inlets, 5.2 mixed gas gas outlets, 5.3 mixed gas air inlet pipe, 5.4 bubble-caps, 5.5 sprays
Mouth, 5.6CO2Flow export, the outlet of 5.7 residual gases, 5.8 melt column plate.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1-2, carbon dioxide in natural snow separator 5, including tank body, the bottom of the tank body is provided with mixed
Gas inlet 5.1 and mixed gas gas outlet 5.2 are closed, tank body is separated into two by the bottom of tank body provided with column plate 5.8 is melted
Point, tank body is provided with mixed gas air inlet pipe 5.3 and CO in the top wall for melting column plate 5.82Flow export 5.6, mixed gas is entered
Tracheae 5.3 is oppositely arranged in the gas outlet of tank interior with nozzle 5.5, and nozzle 5.5 is connected with air inlet pipe, the top of the tank body
Provided with residual gas outlet 5.7.
It is hemispherical at the top and bottom of the tank body.
Gas outlet of the mixed gas air inlet pipe 5.3 in tank body is set upward, relative with the nozzle 5.5 set down
Set.
The mixed gas air inlet pipe 5.3 is provided with bubble-cap 5.4 on the gas outlet in tank body.
As shown in Fig. 2 avenging the piece-rate system of separator using the carbon dioxide in natural, the system can be used for
Laboratory carries out CO in simulation natural gas2Snowization separation, or carry out the optimization design of separator, including CO2Gas cylinder and methane
Gas cylinder, the CO2Gas cylinder and methane gas cylinder are connected to gas mixing tank 4 by pipeline, and the outlet of the gas mixing tank 4 passes through
Pipeline is connected to the mixed gas air inlet 5.1, and the mixed gas gas outlet 5.2 is connected to heat exchanger 7, institute by pipeline
State heat exchanger 7 to be connected with liquid nitrogen bottle, the heat exchanger 7 is connected to the mixed gas air inlet pipe 5.3 by pipeline；
The CO2Flow export 5.6 connects CO by pipeline2Storage tank 10, official road is provided with first flowmeter 11；It is described surplus
Remaining gas vent 5.7 is connected to after gas cooler 14, the outlet connection flash tank 13 of the gas cooler 14 by pipeline
The air inlet pipe being connected with the nozzle 5.5 is connected to by pipeline, air inlet pipe is connected with tank body by flange 12.
CO2Gas cylinder and methane gas cylinder be designed with the pipeline being connected with the gas mixing tank 4 pressure-reducing valve 1, gate valve 2 and
Flowmeter 3；The pipeline that the heat exchanger 7 is connected with the mixed gas air inlet pipe 5.3 is provided with thermometer 8, pressure gauge 9.
Counterbalance valve 15 is additionally provided with the pipeline that the residual gas outlet is connected with the gas cooler 14.
The heat exchanger 7 is also connected with water bath with thermostatic control system 6.
Using the separation method of described piece-rate system, including,
In laboratory, Stress control is reduced to CO in 1MPa or so, gaseous mixture2-CH4Binary system and supplied with gas cylinder.
By adjusting CO2Gas cylinder and CH4The flow of gas cylinder and obtain different CO2The gaseous mixture of molar content, according to CO in gaseous mixture2Contain
The difference of amount, drops to mixture temperature by external condenser and is passed directly into snow separator to after in the range of -80 DEG C -45 DEG C
In.
Methane gas cylinder is opened, CO is closed2Gas cylinder, treats that methane is full of whole device, now nozzle sprays low temperature (- 125 DEG C)
Liquid methane droplet；
Open CO2Gas cylinder, adjusts CO2Mixed gas is obtained with the melting concn of methane, and mixed gas is from the mixed gas
Air inlet enters the bottom that tank body melts column plate, and heat exchanger is flowed out to from mixed gas gas outlet；
Mixed gas after the cooling of heat exchanger is entered in tank body by mixed gas air inlet pipe again, now with phase
The cryogenic liquid methane droplet that the nozzle of setting sprays inversely is contacted, on the one hand cryogenic liquid methane droplet enters with mixed gas
Row heat exchange reaches CO2The de-sublimation temperature of gas, is on the other hand also CO2Sublimate the offer nuclei of condensation, the solid-state CO of formation2To avenge
Flower-shape formula is dropped on the thawing column plate, and the mixed gas entered by mixed gas air inlet its temperature before uncooled is remote
Higher than solid-state CO2Fusion temperature, so melt column plate on solid-state CO2Melt as liquid, when liquid level reaches setting height by
The CO2Flow export flows out, and is stored in CO2In storage tank；
Methane gas after purification then exports outflow from the residual gas at the top of tank body, after condensed device is further condensed,
It is changed into liquid methane to enter in flash tank；
Enter in tank body circulate by nozzle again after a part of liquid methane is pressurized and further improve purity；It is another
Then discharged in the form of gaseous product part.
The Stress control of mixed gas is in 1MPa, and temperature is in the range of -80 DEG C to -45 DEG C；The low temperature liquid that nozzle sprays
The temperature of methane droplet is between -130 DEG C to -120 DEG C.
The present apparatus and the CO put into operation at this stage2Hydramine absorption tower carries out energy consumption comparison, after energy consumption converts, hydramine
Absorption tower often handles 10000m3Gas consumption about 9800MJ energy, and the present apparatus often handles 10000m3Natural gas only needs consumption
About 7700MJ energy, with specific energy consumption reduction by 20% or so.And it is high containing CO in processing compared to alcohol amine absorption process2Natural gas needs consumption
Take substantial amounts of chemical agent, energy consumption increase, treatment effect the shortcomings of reduce, the present apparatus has not chemical agent consumption, in processing
Height contains CO2The advantages of energy consumption change is little during natural gas, has also filled up China's processing in addition to it can accomplish green pollution-free
Height contains CO2Natural gas does not have the blank of low power technology.
For one the year for using this device treating capacity for 2,000,000 cubes of Gas Purification Factory, with reference to Gas
Processors Suppliers Association are compared with currently common Gas Purification Factory, on investment construction, mainly
Separation equipment is snow separator, compared with hydramine method technological process, substantially reduces the handling process of natural gas, reduces and set
Standby investment cost and occupation area of equipment, investment cost can reduce by 60%；In operation cost, rough estimate can be saved every year
Energy 420000MJ, reduces chemical consumption, and operation cost can reduce by 20%；In profit, with reference to gas utilization hand
Volume[12], annual recyclable 120,000 tons of pure CO2, every year can be extra compared to other processing modes by 400 yuan of calculation of price per ton
Increase income 40,000,000 yuan.
The annual carbon emission amount of China is about 10,000,000,000 tons at present, and the carbon emission during its petrochina, the construction of natural gas fields can be accounted for
According to 5% or so, if the device is used widely, more than one hundred million tons of CO can be reclaimed every year2And chemical industry, food can be used it for
Product industry and CO2- EOR improves oil recovery rate, has gone out realization to CO2Supplementary set, using and reclaim, mitigate " greenhouse effects " outside,
Huge economic benefit can also be produced.
It is not new to this practicality although above-mentioned embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deform still in protection model of the present utility model
Within enclosing.
Claims (8)
1. carbon dioxide in natural avenges separator, it is characterized in that, including tank body, the bottom of the tank body is provided with mixed gas
Tank body is separated into two parts by air inlet and mixed gas gas outlet, the bottom of tank body provided with thawing column plate, and tank body is melting tower
The top wall of plate is provided with mixed gas air inlet pipe and CO2Flow export, mixed gas air inlet pipe the gas outlet of tank interior with
Nozzle is oppositely arranged, and nozzle is connected with air inlet pipe, and the top of the tank body is exported provided with residual gas.
2. carbon dioxide in natural as claimed in claim 1 avenges separator, it is characterized in that, the top and bottom of the tank body
Portion is hemispherical.
3. carbon dioxide in natural as claimed in claim 1 avenges separator, it is characterized in that, the mixed gas air inlet pipe
Gas outlet in tank body is set upward, is oppositely arranged with the nozzle that sets down.
4. carbon dioxide in natural as claimed in claim 3 avenges separator, it is characterized in that, the mixed gas air inlet pipe
Bubble-cap is provided with gas outlet in tank body.
5. the piece-rate system of separator, its feature are avenged using carbon dioxide in natural described in claim 1-4 any one
It is, including CO2Gas cylinder and methane gas cylinder, the CO2Gas cylinder and methane gas cylinder are connected to gas mixing tank, the gas by pipeline
The outlet of body blending tank is connected to the mixed gas air inlet by pipeline, and the mixed gas gas outlet is connected by pipeline
To heat exchanger, the heat exchanger is connected with liquid nitrogen bottle, and the heat exchanger is connected to the mixed gas air inlet pipe by pipeline；
The CO2Flow export connects CO by pipeline2Storage tank；The residual gas outlet is connected to gas cooling by pipeline
The air inlet pipe being connected with the nozzle is connected to by pipeline after device, the outlet connection flash tank of the gas cooler.
6. piece-rate system as claimed in claim 5, it is characterized in that, CO2Gas cylinder and methane gas cylinder connect with the gas mixing tank
Pressure-reducing valve, gate valve and flowmeter are designed with the pipeline connect；The pipeline that the heat exchanger is connected with the mixed gas air inlet pipe
It is provided with thermometer, pressure gauge.
7. piece-rate system as claimed in claim 5, it is characterized in that, the residual gas outlet is connected with the gas cooler
Pipeline on be additionally provided with counterbalance valve.
8. piece-rate system as claimed in claim 5, it is characterized in that, the heat exchanger is also connected with water bath with thermostatic control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720381089.XU CN206613203U (en) | 2017-04-12 | 2017-04-12 | Carbon dioxide in natural avenges separator and piece-rate system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720381089.XU CN206613203U (en) | 2017-04-12 | 2017-04-12 | Carbon dioxide in natural avenges separator and piece-rate system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206613203U true CN206613203U (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720381089.XU Expired - Fee Related CN206613203U (en) | 2017-04-12 | 2017-04-12 | Carbon dioxide in natural avenges separator and piece-rate system |
Country Status (1)
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|---|---|
| CN (1) | CN206613203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823443A (en) * | 2017-04-12 | 2017-06-13 | 中国石油大学(华东) | Carbon dioxide in natural snow separator, piece-rate system and separation method |
-
2017
- 2017-04-12 CN CN201720381089.XU patent/CN206613203U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823443A (en) * | 2017-04-12 | 2017-06-13 | 中国石油大学(华东) | Carbon dioxide in natural snow separator, piece-rate system and separation method |
| CN106823443B (en) * | 2017-04-12 | 2022-09-30 | 中国石油大学(华东) | Carbon dioxide snow separator, separation system and separation method in natural gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171107 |