CN110129105A - A kind of liquefaction of supersonic speed and helical flow separator - Google Patents
A kind of liquefaction of supersonic speed and helical flow separator Download PDFInfo
- Publication number
- CN110129105A CN110129105A CN201811431958.0A CN201811431958A CN110129105A CN 110129105 A CN110129105 A CN 110129105A CN 201811431958 A CN201811431958 A CN 201811431958A CN 110129105 A CN110129105 A CN 110129105A
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- section
- segment
- supersonic speed
- divergent segment
- type blade
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/106—Removal of contaminants of water
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
The invention belongs to natural gas processing fields, and in particular to a kind of liquefaction of supersonic speed and helical flow separator.The liquefaction of one of present invention supersonic speed and helical flow separator, the circulating line formed including inner flow passage and outer flow passage, circulating line includes the entrance being successively arranged, first scaling section, first divergent segment, second divergent segment, second contraction section and expansion segment, the first separating opening is equipped between first divergent segment and the second divergent segment, the second separating opening is equipped between second divergent segment and the second contraction section, Scroll-type blade is equipped in the middle part of entrance, compression type blade is provided between second contraction section and expansion segment, first scaling section includes contraction flow region, venturi and enlarged portion.The invention has the advantages that: air-flows to enter from inducer, sufficiently large angular momentum square is obtained under the action of Scroll-type blade, then air-flow accelerates to supersonic speed via the first scaling section of pipeline, temperature is greatly lowered, and the heavy hydrocarbon, vapor, carbon dioxide and hydrogen sulfide in mixed gas successively start to condense.
Description
Technical field
The invention belongs to natural gas processing fields, and in particular to a kind of liquefaction of supersonic speed and helical flow separator.
Background technique
It pollutes small after combustion of natural gas, is the green fuel that country widelys popularize substitution coal, contains in the natural gas produced
There are the impurity such as hydrogen sulfide, carbon dioxide, be easy to cause equipment and corrosive pipeline, cause catalyst failure, influences final products
Yield and quality；Toxic sulfide can be generated after burning, polluted environment, be detrimental to health.Existing desulfurization mostly use amine method/
Sulfone amine desulfurization decarburization, but amine method is higher in the presence of (1) desulfurizing agent ammonia price, and city's price is generally at 2500-3000 yuan/ton, per small
When with ammonia amount between 0.5-1 tons.(2) power consumption is higher, generally per hour electricity consumption between 1200-1500 degree.(electricity price is about
0.5 yuan/degree) (3) water consume is higher, generally per hour water consumption between 20-40 tons.(water price is about 5 yuan/ton)；Sulfone amine method is deposited
It is serious that heavy hydrocarbon is absorbed in solution, forms waste and the shortcomings that secondary pollution；The present inventor is in application number 2017201581398, name
Claim: disclosing a kind of double venturi PARAMETERS VARYING OF THE SUPERSONIC LOW TEMPERATURE GAS spirals in the invention of double venturi PARAMETERS VARYING OF THE SUPERSONIC LOW TEMPERATURE GAS helical flow gas fractionation units
Flowing gas separator, including inducer, first row Scroll-type blade, dead band area, second row Scroll-type blade, supersonic speed spray
Pipe air-flow accelerating region collects section, clean gas supersonic deceleration area, the first bank of compressors type blade, the second bank of compressors type
The end of blade, subsonic flow deceleration area, conical inner body and runner shell, the runner shell is set as the inducer,
The first row Scroll-type blade is installed in the inducer, and the second row Scroll-type blade is installed on the first row whirlpool
The rear of wheel-type blade is the dead band area, institute between the first row Scroll-type blade and the second row Scroll-type blade
The rear for stating second row Scroll-type blade is that collection section described in the supersonic nozzle air-flow accelerating region is set to the Supersonic
The side of fast nozzle gas flow accelerating region, clean gas supersonic deceleration area is set to the side for collecting section, described
First bank of compressors type blade is located at the rear in clean gas supersonic deceleration area, and the second bank of compressors type blade is set
It is placed in the rear of the first bank of compressors type blade, the subsonic flow deceleration area is set to the second bank of compressors type
The rear of blade, the tube wall of the runner shell are center cone.Since the fusing point of water is 0 DEG C, need to only be formed in Supersonic section super
It is subzero that velocity of sound (more than 1.0 Mach numbers) can be such that natural gas temperature drops to, and the water in natural gas just will form ice crystal.And hydrogen sulfide
- 85.5 DEG C of fusing point, need Supersonic section formed 1.9 Mach numbers more than (temperature reaches -90 DEG C or less) stabilization Supersonic stream simultaneously
It is kept for the sufficiently long time, makes the ice crystal to be formed before reaching collecting region axial position, can be thrown under the influence of centrifugal force
Outside wall surface is flowed out from collecting region.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides the few supersonic speed of a kind of structural strength height, residual drop
Liquefaction and helical flow separator.
The liquefaction of one of present invention supersonic speed and helical flow separator, the ring formed including inner flow passage and outer flow passage
Shape pipeline, circulating line include the entrance being successively arranged, the first scaling section, the first divergent segment, the second divergent segment, the second contraction
Section and expansion segment, are equipped with the first separating opening between the first divergent segment and the second divergent segment, the second divergent segment and the second contraction section it
Between be equipped with the second separating opening, Scroll-type blade is equipped in entrance, the second separation metastomium is equipped with compression type blade, the first contracting
Putting section includes contraction section, first throat and expansion segment；Second throat is equipped between second contraction section and expansion segment,
First throat areal calculation formula:
Wherein qm1For inlet mass flow, k1For foreign gas specific heat ratio, p1For input static pressure, R is ideal gas constant,
T1 is gas inlet temperature；
Second throat areal calculation formula:
Wherein qm2For outgoing quality flow, k2For natural gas specific heat ratio, p2For the second contraction section static pressure, T2It is shunk for second
Section gas temperature, R is ideal gas constant；
Preferably, compression type blade is arranged on the second contraction section, second throat or expansion segment.Compress type blade
It is arranged on expansion segment, loses low；It is arranged on the second contraction section, it is high-efficient.
Preferably, the angle of flare β of expansion segment meets 5 °≤β≤30 °.
Preferably, the angle of flare a of the first divergent segment and the second divergent segment meets 1 °≤a≤15 °.
Preferably, the axial length L 1 of the first divergent segment and the second divergent segment meets 10D < L1 < 30D, wherein D be into
The internal diameter of mouth section.
Preferably, the second contraction section axial length L 2 meets 2D < L2 < 5D, wherein D is the internal diameter of entrance 1.
The invention has the advantages that: air-flows to enter from inducer, obtains sufficiently large angular motion under the action of Scroll-type blade
Square is measured, then air-flow accelerates to supersonic speed via the first scaling section of pipeline, temperature is greatly lowered, the weight in mixed gas
Hydrocarbon, vapor start to condense；First divergent segment grows up to separate under centrifugal force with gas-liquid two-phase and provides abundance for the nuclei of condensation
Time, liquid phase one (heavy hydrocarbon and water) reach outer flow passage wall surface be discharged from the first separating opening；Gas after separation continues diffusion liter
Speed cools to the temperature two of setting hereinafter, at the set temperature, selected ingredient two (carbon dioxide, hydrogen sulfide) occurs
Condensation or solidification are simultaneously discharged from separating opening, to realize the separation of gas componant two.Main flow area contraction of gas reduction of speed, in compressor
Shock wave is formed in type blade, speed drops to subsonic speed, is discharged from expansion segment.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is Scroll-type blade schematic diagram of the present invention.
Fig. 3 is present invention compression type blade schematic diagram.
Marked in the figure: 1, inducer, 2, Scroll-type blade, 3, contraction section, 4, venturi, 5, expansion segment, the 6, first divergent segment,
7, the first separating opening, the 8, second divergent segment, the 9, second separating opening, the 10, second contraction section, 11, compression type blade, 12, expansion
Section, 13, inner flow passage, 14, outer flow passage.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, but this should not be interpreted as to above-mentioned theme of the invention
Range be only limitted to above-described embodiment.
As shown in Figure 1-3, a kind of supersonic speed liquefaction and helical flow separator, including inner flow passage 13 and 14 groups of outer flow passage
At circulating line, circulating line includes that the entrance 1, first that is successively arranged scales section, the first divergent segment 6, the second divergent segment
8, the second contraction section 10 and expansion segment 12 are equipped with the first separating opening 7, the second flaring between first divergent segment 6 and the second divergent segment 8
It is equipped with the second separating opening 9 between section 8 and the second contraction section 10, Scroll-type blade 2 is equipped in entrance, expansion segment 12 is equipped with pressure
Contracting type blade 11, the first scaling section includes contraction section 3, first throat 4 and expansion segment 5；Second contraction section 10 and expansion segment 12
Between be equipped with second throat,
First throat areal calculation formula:
Wherein qm1For inlet mass flow, k1For foreign gas specific heat ratio, p1For input static pressure, R is ideal gas constant,
T1 is gas inlet temperature；
Second throat areal calculation formula:
Wherein qm2For outgoing quality flow, k2For natural gas specific heat ratio, p2For the second contraction section static pressure, T2It is shunk for second
Section gas temperature, R is ideal gas constant；
The angle of flare β of expansion segment 5 meets 5 °≤β≤30 °；The angle of flare a of first divergent segment 6 and the second divergent segment 8 meets
1°≤a≤15°；The axial length L 1 of first divergent segment 6 and the second divergent segment 8 meets 10D < L1 < 30D, the second contraction section 10
Axial length L 2 meets 2D < L2 < 5D, and wherein D is the internal diameter of entrance 1.
Air-flow enters from inducer 1, sufficiently large angular momentum square is obtained under the action of Scroll-type blade 2, air-flow is then
Supersonic speed is accelerated to via the first scaling section of pipeline, temperature is greatly lowered, and the heavy hydrocarbon and vapor in mixed gas start
Condensation；First divergent segment 6 grows up to separate under centrifugal force with gas-liquid two-phase and provides sufficient time, liquid phase one for the nuclei of condensation
(heavy hydrocarbon and water) reaches outer flow passage wall surface and is discharged from the first separating opening 7；Gas after separation continues diffusion raising speed, cools to setting
Temperature two hereinafter, at the set temperature, selected ingredient two (carbon dioxide, hydrogen sulfide) coagulate or solidify and from
Separating opening 9 is discharged, to realize the separation of gas componant two.Main flow area contraction of gas reduction of speed is formed in compression type blade
Shock wave, speed drop to subsonic speed, are discharged from expansion segment 12.
Claims (7)
1. a kind of supersonic speed liquefaction and helical flow separator, special including the circulating line that inner flow passage and outer flow passage form
Sign is that circulating line includes the entrance being successively arranged, the first scaling section, the first divergent segment, the second divergent segment, the second contraction
Section and expansion segment, are equipped with the first separating opening between the first divergent segment and the second divergent segment, the second divergent segment and the second contraction section it
Between be equipped with the second separating opening, Scroll-type blade is equipped in entrance, the second separation metastomium is equipped with compression type blade, the first contracting
Putting section includes contraction section, first throat and expansion segment；Second throat is equipped between second contraction section and expansion segment,
First throat areal calculation formula:
Wherein qm1For inlet mass flow, k1For foreign gas specific heat ratio, p1For input static pressure, R is ideal gas constant, and T1 is
Gas inlet temperature；
Second throat areal calculation formula:
Wherein qm2For outgoing quality flow, k2For natural gas specific heat ratio, p2For the second contraction section static pressure, T2For the second contraction section gas
Temperature, R are ideal gas constant.
2. a kind of supersonic speed liquefaction according to claim 1 and helical flow separator, which is characterized in that compression type
Blade is arranged on the second contraction section, second throat or expansion segment.
3. a kind of supersonic speed liquefaction according to claim 1 and helical flow separator, which is characterized in that expansion segment
Angle of flare β meets 5 °≤β≤30 °.
4. a kind of supersonic speed liquefaction according to claim 1 and helical flow separator, which is characterized in that the first flaring
The angle of flare a of section and the second divergent segment meets 1 °≤a≤15 °.
5. a kind of supersonic speed liquefaction according to claim 1 and helical flow separator, which is characterized in that the first flaring
Section and the axial length L 1 of the second divergent segment meet 10D < L1 < 30D, and wherein D is the internal diameter of entrance.
6. a kind of supersonic speed liquefaction according to claim 1 and helical flow separator, which is characterized in that second shrinks
Section axial length L 2 meets 2D < L2 < 5D, and wherein D is the internal diameter of entrance 1.
7. a kind of supersonic speed liquefaction according to claim 1 and helical flow separator, it is characterised in that the first separation
Mouth and the second separating opening can respectively be isolated by water, heavy hydrocarbon, carbon dioxide, hydrogen sulfide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811431958.0A CN110129105A (en) | 2018-11-28 | 2018-11-28 | A kind of liquefaction of supersonic speed and helical flow separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811431958.0A CN110129105A (en) | 2018-11-28 | 2018-11-28 | A kind of liquefaction of supersonic speed and helical flow separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110129105A true CN110129105A (en) | 2019-08-16 |
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ID=67568168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811431958.0A Pending CN110129105A (en) | 2018-11-28 | 2018-11-28 | A kind of liquefaction of supersonic speed and helical flow separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110129105A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219147A (en) * | 2022-09-15 | 2022-10-21 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Adjustable fan blade type second throat and test section Mach number control method |
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| US20020194988A1 (en) * | 1998-12-31 | 2002-12-26 | M. Betting | Supersonic separator apparatus and method |
| CN201212764Y (en) * | 2008-06-02 | 2009-03-25 | 闫家义 | High-speed swirl flow gas separation and liquefaction device |
| CN201214074Y (en) * | 2008-04-30 | 2009-04-01 | 大连理工大学 | Conic core type supersonic speed condensation cyclonic separating apparatus |
| CN102307642A (en) * | 2008-12-22 | 2012-01-04 | 缠绕机公司 | Method of removing carbon dioxide from a fluid stream and fluid separation assembly |
| CN102641790A (en) * | 2012-04-01 | 2012-08-22 | 深圳市力科气动科技有限公司 | Multi-level supersonic speed cyclone separator |
| US20130333572A1 (en) * | 2012-06-18 | 2013-12-19 | Chandrashekhar Sonwane | Separator apparatus for purifying a gas stream |
| CN106166414A (en) * | 2016-07-21 | 2016-11-30 | 华北电力大学（保定） | A kind of supersonic condensing cyclone separator |
| CN206526609U (en) * | 2017-02-22 | 2017-09-29 | 周拜豪 | Double venturi PARAMETERS VARYING OF THE SUPERSONIC LOW TEMPERATURE GAS helical flow gas fractionation units |
| CN108514805A (en) * | 2018-05-03 | 2018-09-11 | 闫家义 | Non-concentric variable cross-section GWF devices |
-
2018
- 2018-11-28 CN CN201811431958.0A patent/CN110129105A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020194988A1 (en) * | 1998-12-31 | 2002-12-26 | M. Betting | Supersonic separator apparatus and method |
| CN201214074Y (en) * | 2008-04-30 | 2009-04-01 | 大连理工大学 | Conic core type supersonic speed condensation cyclonic separating apparatus |
| CN201212764Y (en) * | 2008-06-02 | 2009-03-25 | 闫家义 | High-speed swirl flow gas separation and liquefaction device |
| CN102307642A (en) * | 2008-12-22 | 2012-01-04 | 缠绕机公司 | Method of removing carbon dioxide from a fluid stream and fluid separation assembly |
| CN102641790A (en) * | 2012-04-01 | 2012-08-22 | 深圳市力科气动科技有限公司 | Multi-level supersonic speed cyclone separator |
| US20130333572A1 (en) * | 2012-06-18 | 2013-12-19 | Chandrashekhar Sonwane | Separator apparatus for purifying a gas stream |
| CN106166414A (en) * | 2016-07-21 | 2016-11-30 | 华北电力大学（保定） | A kind of supersonic condensing cyclone separator |
| CN206526609U (en) * | 2017-02-22 | 2017-09-29 | 周拜豪 | Double venturi PARAMETERS VARYING OF THE SUPERSONIC LOW TEMPERATURE GAS helical flow gas fractionation units |
| CN108514805A (en) * | 2018-05-03 | 2018-09-11 | 闫家义 | Non-concentric variable cross-section GWF devices |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219147A (en) * | 2022-09-15 | 2022-10-21 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Adjustable fan blade type second throat and test section Mach number control method |
| CN115219147B (en) * | 2022-09-15 | 2022-11-18 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Adjustable fan blade type second throat and test section Mach number control method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190816 |