CN105602627A - Flow distribution device - Google Patents
Flow distribution device Download PDFInfo
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- CN105602627A CN105602627A CN201610149351.8A CN201610149351A CN105602627A CN 105602627 A CN105602627 A CN 105602627A CN 201610149351 A CN201610149351 A CN 201610149351A CN 105602627 A CN105602627 A CN 105602627A
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- throat
- angle
- internal diameter
- inner chamber
- pipeline
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/485—Entrained flow gasifiers
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/50—Fuel charging devices
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2200/00—Details of gasification apparatus
- C10J2200/15—Details of feeding means
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Liquid Carbonaceous Fuels (AREA)
Abstract
The invention discloses a flow distribution device which comprises a main pipeline, a primary pipeline, at least one secondary pipelines and at least one shunting element, wherein one end of the primary pipeline is communicated with one end of the main pipeline; the primary pipeline and the extension line of the main pipeline form a first angle; one end of each secondary pipeline is communicated with one end of the main pipeline; the secondary pipeline and the extension line of the main pipeline form a second angle; and the shunting element penetrates the secondary pipeline and is used for adjusting the flow in the primary pipeline and the secondary pipelines. By adopting the flow distribution device disclosed by the invention, accurate distribution of coal water slurry as well as safe and reliable long-cycle operation of the device are realized.
Description
Technical field
The present invention relates to a kind of flow distribution device.
Background technology
The present invention relates to device and the technique of water-coal-slurry assignment of traffic.
Water-coal-slurry is a kind of coal dust by 60～70% left and right, and water and a small amount of additive are mixed with and formLiquid, can pumping, atomization, accumulating, and it has changed the traditional combustion mode of coal, has demonstrated hugeEnvironmental protection and energy saving advantage. Water-coal-slurry has the features such as efficiency of combustion is high, pollutant emission is low, can be used for power stationBoiler, Industrial Boiler and Industrial Stoves, for oil, for gas, for coal combustion, are the weights of current clean coal technologyWant part. China is the few oily country of a rich coal, and water-coal-slurry is as novel generation oil environment-friendly fuel,Just be familiar with by increasing enterprise, adopt COAL-WATER SLURRY TECHNOLOGY further to improve the product knot of coal enterpriseStructure, improves economic benefit of coal enterprises. COAL-WATER SLURRY TECHNOLOGY can also solve some coal-fired environmental protection of enterprise and worksThe problem of skill procedure regulation, is current more real, is also the most commercioganic clean coal technology of 21 century.
Coal water slurry entrained flow bed gasification, as the important component part of clean coal technology, has leading position. ItCheap coal high-efficiency is transformed into clean coal gas, both can be used for production chemical product, as synthetic ammonia,Methyl alcohol, dimethyl ether etc., also can be used for coal directly and indirect liquefaction, combined cycle generation and with coal gasificationFor fields such as basic Poly-generation. Coal slurry gasifier pressure can reach 8.7MPa, and temperature is1200～1400 DEG C. Under this HTHP, chemical reaction rate is fast, thereby treating capacity is large, and effectively gas becomesPoint high, efficiency of carbon con version is high. Single stove day process coal and can reach 3000 tons, efficiency of carbon con version reaches more than 98%,Available gas composition can reach 85%.
Taking coal water slurry entrained flow bed gasification as example, in prior art, the water-coal-slurry that enters gasification furnace is carried mainAdopt high-pressure coal pulp pump, be generally diaphragm reciprocating pump. The form of diaphragm reciprocating pump is double cylinder double actingPiston-diaphragm pump; Each diaphragm reciprocating pump has an import, two outlets, two outlet coal slurry flowsEquate, the difference of two plume amounts is not more than 2%, and flow is fixed. If so distribution ratio of liquid flow is 1:1,Can utilize a coal slurry pump to realize; If other ratios need a pipeline to be equipped with a pump.Coal slurry pump belongs to moving equipment, and the life-span is shorter, price, and fault rate is high, and maintenance is complicated. If every pipeLine is equipped with a pump, and many high-pressure coal pulp pump couplings will be hinder total system long-period stable operation importantOne of factor. If adopt control valve to regulate respectively the flow of different pipelines, consolidating in coal slurryBody particle easily causes defective valve and serious abrasion to damage, and makes the adjusting of flow have very large deviation,Maintenance is frequent.
Summary of the invention
The technical problem to be solved in the present invention is to deposit in order to overcome the conveying equipment of water-coal-slurry in prior artComplicated and the defect that can not carry out the accurate distribution of flow of, price high in fault rate, maintenance, providesA kind of flow distribution device.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of flow distribution device, comprises a main pipe rail, and described flow distribution device also comprises:
One main line, one end of described main line is connected with one end of described main pipe rail, described main lineForm the first angle with the extended line of described main pipe rail;
At least one pipeline, described in each, time one end of pipeline and one end of described main pipe rail are connected,The extended line of described pipeline and described main pipe rail forms the second angle;
At least one vent diverter, described in one vent diverter be arranged in one described in time pipeline, described shunting unitPart is for regulating the flow in described main line, described pipeline.
The fixed proportion distribution that utilizes specific vent diverter to realize water-coal-slurry flow of the present invention, is suitable for modelEnclose extensively, be conducive to extensive efficient dispensing and produce, the while also contributes to the optimization of water-coal-slurry application technology.
Preferably, described vent diverter is Venturi tube.
Preferably, described vent diverter comprise the import department that connects successively and be communicated with, the first inner chamber, throat,The second inner chamber and export department, wherein:
The inwall of described the first inner chamber is the inclined-plane that internal diameter successively decreases gradually, described in described the first inner chamber is close, entersThe internal diameter of oral area one end is greater than the internal diameter of described the first inner chamber near described throat one end, described the first inner chamberComprise an angle of throat;
The inwall of described the second inner chamber is the inclined-plane that internal diameter increases progressively gradually, and described the second inner chamber is near described larynxThe internal diameter of portion one end is less than the internal diameter of described the second inner chamber near described export department one end, described the second inner chamberComprise an angle of flare;
The internal diameter at described throat two ends is identical;
The internal diameter of described import department and described export department is identical, and described import department, described export departmentThe internal diameter at two ends is identical.
Described the first inner chamber and described the second inner chamber are axial symmetry.
Preferably, the internal diameter of described import department is D, and the length of described throat is less than or equal to 50D, instituteThe internal diameter of stating throat is more than or equal to 1mm, and described angle of throat is less than or equal to 90 °, the described angle of flareBe less than or equal to 75 °.
Preferably, the internal diameter of described import department is D, and the length of described throat is 0.2D-25D, described larynxThe internal diameter of portion is 3mm-0.85D, and described angle of throat is 5 °-60 °, and the described angle of flare is 5 °-50 °.
Preferably, the internal diameter of described import department is D, and the length of described throat is 0.5D-5D, described larynxThe internal diameter of portion is 5mm-0.7D, and described angle of throat is 10 °-45 °, and the described angle of flare is 8 °-35 °.
Preferably, described the first angle is 0 °-60 °, and described the second angle is 15 °-90 °.
Positive progressive effect of the present invention is:
1, the fixed proportion distribution that utilizes specific vent diverter to realize water-coal-slurry flow of the present invention, suitableWide by scope, be conducive to extensive efficient dispensing and produce, also contribute to water-coal-slurry application technology simultaneouslyOptimize;
2, the inventive method has been avoided this perishable easily worn part of employing control valve, has also avoided manyExpensive high-pressure coal pulp pump combine use, save investment;
3, the present invention passes through the angular adjustment to described the first angle, described the second angle, and to dividingIn fluid element, the length at each position and angle ground regulate the accurate distribution that has realized water-coal-slurry flow;
4, the present invention is simple and reliable, and wearability is good, is difficult for stopping up, and failure rate is low, has significant warpJi benefit, is conducive to safe long-period stable operation.
Brief description of the drawings
Fig. 1 is the structural representation of the flow distribution device of preferred embodiment of the present invention.
Fig. 2 is the structural representation of the flow distribution device of another preferred embodiment of the present invention.
Fig. 3 is the structural representation of the vent diverter of preferred embodiment of the present invention.
Fig. 4 is the structural representation of the vent diverter of another preferred embodiment of the present invention.
Detailed description of the invention
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention toAmong described scope of embodiments.
Embodiment 1
Understood incorporated by reference to Fig. 1 and Fig. 3, the implementation case provides a kind of flow distribution device, comprisesOne main pipe rail 1, flow distribution device also comprises a main line 2, pipeline 3 and a shunting unitPart 4.
One end of main line 2 is connected with one end of main pipe rail 1, the prolongation of main line 2 and main pipe rail 1Line forms the first included angle A. One end of inferior pipeline 3 is connected with one end of main pipe rail 1, inferior pipeline 3 withThe extended line of main pipe rail 1 forms the second included angle B.
Vent diverter 4, vent diverter 4 is arranged in time pipeline 3, vent diverter 4 for regulate main line 2,Flow in inferior pipeline 3. Vent diverter 4 is Venturi tube.
Vent diverter 4 comprise the import department 41 that connects successively and be communicated with, the first inner chamber 42, throat 43,The second inner chamber 44 and export department 45.
The inwall of the first inner chamber 42 is the inclined-plane that internal diameter successively decreases gradually, and the first inner chamber 42 is near import department 41The internal diameter of one end is greater than the internal diameter of the first inner chamber 42 near throat 43 one end, and the first inner chamber 42 comprises oneAngle of throat C. The inwall of the second inner chamber 44 is the inclined-plane that internal diameter increases progressively gradually, and the second inner chamber 44 is near larynxThe internal diameter of portion 43 one end is less than the internal diameter of the second inner chamber 44 near export department 45 one end, the second inner chamber 44Comprise an angle of flare E. The internal diameter at throat 43 two ends is identical. The internal diameter of import department 41 and export department 45Identical, and the internal diameter at the two ends of import department 41, export department 45 is identical. The first inner chamber and the second inner chamberFor axial symmetry.
The present invention realizes the accurate distribution of water-coal-slurry flow and the safe and reliable long-term operation of device, is suitable forIn fields such as water-coal-slurry dispensing, coal water slurry boiler, kiln and coal water slurry gasifications. Water-coal-slurry is except conventional waterOutside coal slurry, also comprise: coal, petroleum charred slurry, biomass coal liquid and sludge coal slurry etc. The present invention is logicalVent diverter 4 combinations of crossing main line 2, inferior pipeline 3 and being arranged in time pipeline 3 regulate coal slurriesDispense flow rate.
Concrete scheme is as follows:
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, all the other are water, mix systemObtain water-coal-slurry.
As shown in Figure 1, wherein, the first included angle A=0 °, the second included angle B=90 °. Import department 41Internal diameter is D, vent diverter 4 as shown in Figure 3, feature structure: the length of throat 43 is 2D, throat43 internal diameter is 0.6D, and angle of throat C is 21 °, and angle of flare E is 15 °. Realize the essence of coal slurry flowReally distribute, main line 2 is 9 to 1 with the distribution ratio of liquid flow of inferior pipeline 3, and distribution ratio keeps long-term steadyFixed, deviation is less than 5%.
Embodiment 2
The structure of the flow distribution device of the present embodiment and embodiment 1 are basically identical, comprise a main line 2,One pipeline 3 and a vent diverter 4.
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, all the other are water, mix systemObtain water-coal-slurry.
As shown in Figure 1, wherein, the first included angle A=0 °, the second included angle B=15 °. Import department 41Internal diameter is D, vent diverter 4 as shown in Figure 3, feature structure: the length of throat 43 is 50D, larynxThe internal diameter of portion 43 is 1mm, and angle of throat C is 0 °, and angle of flare E is 15 °. Realize coal slurry flowAccurately distribute, main line 2 is 121 to 1 with the distribution ratio of liquid flow of inferior pipeline 3, and distribution ratio keeps longPhase is stable, and deviation is less than 5%.
Embodiment 3
The structure of the flow distribution device of the present embodiment and embodiment 1 are basically identical, comprise a main line 2,One pipeline 3 and a vent diverter 4.
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, all the other are water, mix systemObtain water-coal-slurry.
As shown in Figure 1, wherein, the first included angle A=60 °, the second included angle B=90 °. Import department 41Internal diameter be D, vent diverter 4 as shown in Figure 3, feature structure: the length of throat 43 is 0.2D,The internal diameter of throat 43 is 3mm, and angle of throat C is 5 °, and angle of flare E is 5 °. Realize coal slurry flowAccurate distribution, main line 2 is 9.45 to 1 with the distribution ratio of liquid flow of inferior pipeline 3, and distribution ratio keepLong-term stability, deviation is less than 3%.
Embodiment 4
The structure of the flow distribution device of the present embodiment and embodiment 1 are basically identical, comprise a main line 2,One pipeline 3 and a vent diverter 4.
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, all the other are water, mix systemObtain water-coal-slurry.
As shown in Figure 1, wherein, the first included angle A=0 °, the second included angle B=15 °. Import department 41Internal diameter is D, vent diverter 4 as shown in Figure 3, feature structure: the length of throat 43 is 25D, larynxThe internal diameter of portion 43 is 0.85D, and angle of throat C is 60 °, and angle of flare E is 50 °. Realize coal slurry flowAccurate distribution, main line 2 is 20.6 to 1 with the distribution ratio of liquid flow of inferior pipeline 3, and distribution ratio keepLong-term stability, deviation is less than 4%.
Embodiment 5
The structure of the flow distribution device of the present embodiment and embodiment 1 are basically identical, comprise a main line 2,One pipeline 3 and a vent diverter 4.
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, all the other are water, mix systemObtain water-coal-slurry.
As shown in Figure 1, wherein, in the first included angle A=60 °, the second included angle B=90 °. Import department 41Internal diameter be D, vent diverter 4 as shown in Figure 3, feature structure: the length of throat 43 is 0.5D,The internal diameter of throat 43 is 5mm, and angle of throat C is 10 °, and angle of flare E is 8 °. Realize coal slurry flowAccurate distribution, main line 2 is 11.2 to 1 with the distribution ratio of liquid flow of inferior pipeline 3, and distribution ratio keepLong-term stability, deviation is less than 3%.
Embodiment 6
The structure of the flow distribution device of the present embodiment and embodiment 1 are basically identical, comprise a main line 2,One pipeline 3 and a vent diverter 4.
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, all the other are water, mix systemObtain water-coal-slurry.
As shown in Figure 1, wherein, the first included angle A=30 °, the second included angle B=60 °. Import department 41Internal diameter be D, vent diverter 4 as shown in Figure 3, feature structure: the length of throat 43 is 5D, larynxThe internal diameter of portion 43 is 0.7D, and angle of throat C is 45 °, and angle of flare E is 35 °. Realize coal slurry flowAccurately distribute, main line 2 is 12.9 to 1 with the distribution ratio of liquid flow of inferior pipeline 3, and distribution ratio keeps longPhase is stable, and deviation is less than 3%.
Embodiment 7
Understood incorporated by reference to shown in Fig. 2, the flow distribution device of the present embodiment comprise a main line 2,Inferior pipeline 3, inferior pipeline 3 ', vent diverter 4 and vent diverter 4 '.
Petroleum coke content 60.5%, dewatered sludge content 2.1%, all the other are water, mixing makes sludge petroleum charredSlurry.
As shown in Figure 2, wherein, the first included angle A=0 °, the second included angle B=90 °. Import department 41Internal diameter is D, vent diverter 4 and vent diverter 4 ' as shown in Figure 4, the first inner chamber of vent diverter andTwo inner chambers are non-axial symmetry.
Feature structure: the length of the throat 43 of vent diverter 4 is 0.6D, the internal diameter of throat 43 is 0.7D,Angle of throat C is 21 °, and angle of flare E is 15 °; The length of the throat 43 of vent diverter 4 ' is 4D,The internal diameter of throat 43 is 0.6D, and angle of throat C is 30 °, and angle of flare E is 25 °.
Realize the accurate distribution of sludge petroleum charred slurry flow, main line 2, inferior pipeline 3 and inferior pipeline 3 'Distribution ratio of liquid flow be 6:2:1, and distribution ratio maintains a long-term stability, deviation is less than 5%.
Although more than described the specific embodiment of the present invention, those skilled in the art should manageSeparate, these only illustrate, and protection scope of the present invention is limited by appended claims. ThisThe technical staff in field is not deviating under the prerequisite of principle of the present invention and essence, can be to these enforcement sidesFormula is made various changes or modifications, but these changes and amendment all fall into protection scope of the present invention.
Claims (8)
1. a flow distribution device, comprises a main pipe rail, it is characterized in that, described assignment of traffic dressAlso put and comprise:
One main line, one end of described main line is connected with one end of described main pipe rail, described main lineForm the first angle with the extended line of described main pipe rail;
At least one pipeline, described in each, time one end of pipeline and one end of described main pipe rail are connected,The extended line of described pipeline and described main pipe rail forms the second angle;
At least one vent diverter, described in one vent diverter be arranged in one described in time pipeline, described shunting unitPart is for regulating the flow in described main line, described pipeline.
2. flow distribution device as claimed in claim 1, is characterized in that, described vent diverter isVenturi tube.
3. flow distribution device as claimed in claim 1, is characterized in that, described vent diverter bagDraw together the import department, the first inner chamber, throat, the second inner chamber and the export department that connect successively and be communicated with, wherein:
The inwall of described the first inner chamber is the inclined-plane that internal diameter successively decreases gradually, described in described the first inner chamber is close, entersThe internal diameter of oral area one end is greater than the internal diameter of described the first inner chamber near described throat one end, described the first inner chamberComprise an angle of throat;
The inwall of described the second inner chamber is the inclined-plane that internal diameter increases progressively gradually, and described the second inner chamber is near described larynxThe internal diameter of portion one end is less than the internal diameter of described the second inner chamber near described export department one end, described the second inner chamberComprise an angle of flare;
The internal diameter at described throat two ends is identical;
The internal diameter of described import department and described export department is identical, and described import department, described export departmentThe internal diameter at two ends is identical.
4. flow distribution device as claimed in claim 3, is characterized in that, described the first inner chamber andDescribed the second inner chamber is axial symmetry.
5. flow distribution device as claimed in claim 3, is characterized in that, in described import departmentFootpath is D, and the length of described throat is less than or equal to 50D, and the internal diameter of described throat is more than or equal to 1mm,Described angle of throat is less than or equal to 90 °, and the described angle of flare is less than or equal to 75 °.
6. flow distribution device as claimed in claim 5, is characterized in that, in described import departmentFootpath is D, and the length of described throat is 0.2D-25D, and the internal diameter of described throat is 3mm-0.85D, instituteStating angle of throat is 5 °-60 °, and the described angle of flare is 5 °-50 °.
7. flow distribution device as claimed in claim 6, is characterized in that, in described import departmentFootpath is D, and the length of described throat is 0.5D-5D, and the internal diameter of described throat is 5mm-0.7D, described inAngle of throat is 10 °-45 °, and the described angle of flare is 8 °-35 °.
8. flow distribution device as claimed in claim 1, is characterized in that, described the first angle is 0 °-60 °, described the second angle is 15 °-90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610149351.8A CN105602627B (en) | 2016-03-16 | 2016-03-16 | Flow distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610149351.8A CN105602627B (en) | 2016-03-16 | 2016-03-16 | Flow distribution device |
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| Publication Number | Publication Date |
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| CN105602627A true CN105602627A (en) | 2016-05-25 |
| CN105602627B CN105602627B (en) | 2018-10-02 |
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| CN201610149351.8A Active CN105602627B (en) | 2016-03-16 | 2016-03-16 | Flow distribution device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114470979A (en) * | 2020-11-13 | 2022-05-13 | 中国石油天然气股份有限公司 | Purging device and polyethylene production equipment |
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| CN1540209A (en) * | 2003-11-03 | 2004-10-27 | 华东理工大学 | Equipment and implementing method capable of regulation controlling and uniform distributing flux of powdered coal |
| CN104208799A (en) * | 2014-10-02 | 2014-12-17 | 青岛大学附属医院 | Common carotid artery cannula for adjusting and distributing blood perfusion flow and application |
| CN104897221A (en) * | 2014-03-07 | 2015-09-09 | 华东理工大学 | Solid phase flow continuous measuring system and measuring method for pneumatic conveying process |
| CN205501216U (en) * | 2016-03-16 | 2016-08-24 | 华东理工大学 | flow distribution device |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5861561A (en) * | 1996-01-17 | 1999-01-19 | Micro Motion, Inc. | Bypass type coriolis effect flowmeter |
| CN1540209A (en) * | 2003-11-03 | 2004-10-27 | 华东理工大学 | Equipment and implementing method capable of regulation controlling and uniform distributing flux of powdered coal |
| CN104897221A (en) * | 2014-03-07 | 2015-09-09 | 华东理工大学 | Solid phase flow continuous measuring system and measuring method for pneumatic conveying process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114470979A (en) * | 2020-11-13 | 2022-05-13 | 中国石油天然气股份有限公司 | Purging device and polyethylene production equipment |
| CN114470979B (en) * | 2020-11-13 | 2024-06-25 | 中国石油天然气股份有限公司 | Blowing device and polyethylene production equipment |
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| CN105602627B (en) | 2018-10-02 |
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