CN105602627B - Flow distribution device - Google Patents
Flow distribution device Download PDFInfo
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- CN105602627B CN105602627B CN201610149351.8A CN201610149351A CN105602627B CN 105602627 B CN105602627 B CN 105602627B CN 201610149351 A CN201610149351 A CN 201610149351A CN 105602627 B CN105602627 B CN 105602627B
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- inner chamber
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Classifications
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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
-
- 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
-
- 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 kind of flow distribution device, including a main pipe rail, the flow distribution device further includes：One main line, one end of the main line are connected with one end of the main pipe rail, and the extended line of the main line and the main pipe rail forms the first angle；One end of at least one secondary pipeline, each secondary pipeline is connected with one end of the main pipe rail, and the extended line of the secondary pipeline and the main pipe rail forms the second angle；At least one vent diverter, a vent diverter are arranged in a secondary pipeline, and the vent diverter is used to adjust the main line, the flow in the secondary pipeline.The present invention realizes the safe and reliable long-term operation of the accurate distribution and device of water-coal-slurry flow.
Description
Technical field
The present invention relates to a kind of flow distribution devices.
Background technology
The present invention relates to the device and process of water-coal-slurry assignment of traffic.
Water-coal-slurry be it is a kind of by 60~70% or so coal dust, liquid made of water and a small amount of additive are mixed with can
Pumping, atomization, storage and transportation, it changes the traditional combustion mode of coal, shows huge environmental protection and energy saving advantage.Water-coal-slurry has
The features such as high combustion efficiency, low pollutant emission, can be used for station boiler, Industrial Boiler and Industrial Stoves generation oil, for gas, for coal
Burning, is the important component of current clean coal technology.China is the country of the rich few oil of coal, and water-coal-slurry is as novel generation
Oily environment-friendly fuel is just recognized by more and more enterprises, further improves the product knot of coal enterprise using COAL-WATER SLURRY TECHNOLOGY
Structure improves economic benefit of coal enterprises.COAL-WATER SLURRY TECHNOLOGY can also solve some coal-burning utilities environmental protection and technical process adjust
Problem is most commercioganic clean coal technology of current more real and 21 century.
Important component of the coal water slurry entrained flow bed gasification as clean coal technology has leading position.It will be cheap
Coal high-efficiency transforms into cleaning coal gas, can be not only used for production chemical products, such as synthesis ammonia, methanol, dimethyl ether, it may also be used for
The fields such as direct and indirect liquefaction, combined cycle generation and the Poly-generation based on coal gasification of coal.Coal water slurry gasification furnace pressure
For power up to 8.7MPa, temperature is 1200~1400 DEG C.Chemical reaction rate is fast under this high temperature and pressure, thus treating capacity is big, has
It is high to imitate gas ingredient, efficiency of carbon con version is high.Single stove day, processing coal was up to 3000 tons, and efficiency of carbon con version reaches 98% or more, available gas at
Divide up to 85%.
By taking coal water slurry entrained flow bed gasification as an example, in the prior art, the water-coal-slurry conveying into gasification furnace mainly uses high pressure
Coal slurry pump, generally diaphragm reciprocating pump.The form of diaphragm reciprocating pump is double cylinder double acting piston-diaphragm pump；Each diaphragm is past
There are one import, two outlets for dual pump, and two outlet coal slurry flows are equal, and the difference of two plume amounts is not more than 2%, and flow is solid
It is fixed.So if distribution ratio of liquid flow is 1:1, then a coal slurry pump can be utilized to realize；If it is other ratios, then one is needed
Pipeline is equipped with a pump.Coal slurry pump belongs to dynamic equipment, and the service life is shorter, price, high failure rate, and maintenance is complicated.If every pipe
One of an important factor for line is equipped with a pump, and more high-pressure coal pulp pump combinations will be obstruction total system long-period stable operation.Such as
Fruit is adjusted the flow of different pipelines using control valve respectively, and the solid particle in coal slurry easily leads to defective valve and tight
Reface deteriorate it is bad so that there are prodigious deviation, maintenance is frequent for the adjusting of flow.
Invention content
The technical problem to be solved by the present invention is in order to overcome the conveying equipment of water-coal-slurry in the prior art, there are failure rates
Height, price, maintenance is complicated and cannot carry out the defect of flow accurately distributed, and provides a kind of flow distribution device.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of flow distribution device, including a main pipe rail, the flow distribution device further include：
One main line, one end of the main line are connected with one end of the main pipe rail, the main line with it is described total
The extended line of pipeline forms the first angle；
One end of at least one secondary pipeline, each secondary pipeline is connected with one end of the main pipe rail, described pipe
Road and the extended line of the main pipe rail form the second angle；
At least one vent diverter, a vent diverter are arranged in a secondary pipeline, and the vent diverter is for adjusting
Save the main line, the flow in the secondary pipeline.
The fixed proportion that water-coal-slurry flow is realized using specific vent diverter of the present invention is distributed, applied widely, is had
Conducive to extensive efficiently dispatching and production, while also contributing to the optimization of water-coal-slurry application technology.
Preferably, the vent diverter is Venturi tube.
Preferably, the vent diverter include be sequentially connected and be connected to import department, first inner chamber, throat, second inner chamber
And outlet portion, wherein：
The inner wall of the first inner chamber is the inclined-plane that internal diameter gradually successively decreases, and the first inner chamber is close to described import department one end
Internal diameter be more than the first inner chamber close to described throat one end internal diameter, the first inner chamber include an angle of throat；
The inner wall of the second inner chamber is internal diameter gradually incremental inclined-plane, and the second inner chamber is close to described throat one end
Internal diameter is less than internal diameter of the second inner chamber close to described outlet portion one end, and the second inner chamber includes an angle of flare；
The internal diameter at the throat both ends is identical；
The import department is identical with the internal diameter of the outlet portion, and the import department, the outlet portion both ends it is interior
Diameter is identical.
The first inner chamber and the second inner chamber are axial symmetry.
Preferably, the internal diameter of the import department is D, the length of the throat is less than or equal to 50D, the internal diameter of the throat
More than or equal to 1mm, the angle of throat is less than or equal to 90 °, and the angle of flare is less than or equal to 75 °.
Preferably, the internal diameter of the import department is D, the length of the throat is 0.2D-25D, and the internal diameter of the throat is
3mm-0.85D, the angle of throat are 5 ° -60 °, and the angle of flare is 5 ° -50 °.
Preferably, the internal diameter of the import department is D, the length of the throat is 0.5D-5D, and the internal diameter of the throat is
5mm-0.7D, the angle of throat are 10 ° -45 °, and the angle of flare is 8 ° -35 °.
Preferably, first angle is 0 ° -60 °, second angle is 15 ° -90 °.
The positive effect of the present invention is that：
1, the fixed proportion that water-coal-slurry flow is realized using specific vent diverter of the invention is distributed, applied widely,
Be conducive to extensive efficiently dispatching and production, while also contributing to the optimization of water-coal-slurry application technology；
2, inventive process avoids using this perishable easily worn part of control valve, more expensive high pressure coals are also avoided
Stock pump is used in combination, investment reduction；
3, of the invention by the angular adjustment to first angle, second angle, and to each in vent diverter
Adjust to the length and angle at position the accurate distribution for realizing and realizing water-coal-slurry flow；
4, the present invention is simple and reliable, and wearability is good, is not easy to plug, and failure rate is low, has significant economic benefit, is conducive to
Safe long-period stable operation.
Description of the drawings
Fig. 1 is the structural schematic diagram of the flow distribution device of present pre-ferred embodiments.
Fig. 2 is the structural schematic diagram of the flow distribution device of another preferred embodiment of the present invention.
Fig. 3 is the structural schematic diagram of the vent diverter of present pre-ferred embodiments.
Fig. 4 is the structural schematic diagram of the vent diverter of another preferred embodiment of the present invention.
Specific implementation mode
It is further illustrated the present invention below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
Embodiment 1
Being understood incorporated by reference to Fig. 1 and Fig. 3, the implementation case provides a kind of flow distribution device, including a main pipe rail 1,
Flow distribution device further includes 2, one pipelines 3 of a main line and a vent diverter 4.
One end of main line 2 is connected with one end of main pipe rail 1, and the extended line of main line 2 and main pipe rail 1 forms the first folder
Angle A.One end of secondary pipeline 3 is connected with one end of main pipe rail 1, and secondary pipeline 3 and the extended line of main pipe rail 1 form the second included angle B.
Vent diverter 4, vent diverter 4 are arranged in time pipeline 3, and vent diverter 4 is for adjusting main line 2, in secondary pipeline 3
Flow.Vent diverter 4 is Venturi tube.
Vent diverter 4 include be sequentially connected and be connected to import department 41, first inner chamber 42, throat 43,44 and of second inner chamber
Outlet portion 45.
The inner wall of first inner chamber 42 is the inclined-plane that internal diameter gradually successively decreases, internal diameter of the first inner chamber 42 close to 41 one end of import department
More than first inner chamber 42 close to the internal diameter of 43 one end of throat, first inner chamber 42 includes an angle of throat C.The inner wall of second inner chamber 44 is
Gradually incremental inclined-plane, internal diameter of the second inner chamber 44 close to 43 one end of throat are less than second inner chamber 44 close to outlet portion 45 1 to internal diameter
The internal diameter at end, second inner chamber 44 include an angle of flare E.The internal diameter at 43 both ends of throat is identical.Import department 41 and outlet portion 45 it is interior
Diameter is identical, and import department 41, outlet portion 45 both ends internal diameter it is identical.First inner chamber and second inner chamber are axial symmetry.
The present invention realizes the safe and reliable long-term operation of the accurate distribution and device of water-coal-slurry flow, is suitable for water-coal-slurry
The fields such as dispatching, coal water slurry boiler, kiln and coal water slurry gasification.Water-coal-slurry further includes other than conventional water-coal-slurry：Coal,
Petroleum charred slurry, biomass coal liquid and sludge coal slurry etc..The present invention is by main line 2, secondary pipeline 3 and is arranged in time pipeline 3
The combination of vent diverter 4 adjusts the distribution flow of coal slurry.
Concrete scheme is as follows：
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, remaining is water, is mixed to prepare water-coal-slurry.
As shown in Figure 1, wherein the first included angle A=0 °, the second included angle B=90 °.The internal diameter of import department 41 is D, shunting member
Part 4 is as shown in figure 3, feature structure：The length of throat 43 is 2D, and the internal diameter of throat 43 is 0.6D, and angle of throat C is 21 °, the angle of flare
E is 15 °.Realize the accurate distribution of coal slurry flow, the distribution ratio of liquid flow of main line 2 and time pipeline 3 is 9 to 1, and distribution ratio guarantor
It holds steadily in the long term, deviation is less than 5%.
Embodiment 2
The structure of the flow distribution device of the present embodiment and embodiment 1 are almost the same, including 2, one pipes of a main line
Road 3 and a vent diverter 4.
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, remaining is water, is mixed to prepare water-coal-slurry.
As shown in Figure 1, wherein the first included angle A=0 °, the second included angle B=15 °.The internal diameter of import department 41 is D, shunting member
Part 4 is as shown in figure 3, feature structure：The length of throat 43 is 50D, and the internal diameter of throat 43 is 1mm, and angle of throat C is 0 °, angle of flare E
It is 15 °.Realize the accurate distribution of coal slurry flow, the distribution ratio of liquid flow of main line 2 and time pipeline 3 is 121 to 1, and distribution ratio
It maintains a long-term stability, deviation is less than 5%.
Embodiment 3
The structure of the flow distribution device of the present embodiment and embodiment 1 are almost the same, including 2, one pipes of a main line
Road 3 and a vent diverter 4.
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, remaining is water, is mixed to prepare water-coal-slurry.
As shown in Figure 1, wherein the first included angle A=60 °, the second included angle B=90 °.The internal diameter of import department 41 is D, shunting member
Part 4 is as shown in figure 3, feature structure：The length of throat 43 is 0.2D, and the internal diameter of throat 43 is 3mm, and angle of throat C is 5 °, the angle of flare
E is 5 °.Realize the accurate distribution of coal slurry flow, the distribution ratio of liquid flow of main line 2 and time pipeline 3 is 9.45 to 1, and distribution ratio
It maintains a long-term stability, deviation is less than 3%.
Embodiment 4
The structure of the flow distribution device of the present embodiment and embodiment 1 are almost the same, including 2, one pipes of a main line
Road 3 and a vent diverter 4.
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, remaining is water, is mixed to prepare water-coal-slurry.
As shown in Figure 1, wherein the first included angle A=0 °, the second included angle B=15 °.The internal diameter of import department 41 is D, shunting member
Part 4 is as shown in figure 3, feature structure：The length of throat 43 is 25D, and the internal diameter of throat 43 is 0.85D, and angle of throat C is 60 °, expansion
Angle E is 50 °.Realize the accurate distribution of coal slurry flow, the distribution ratio of liquid flow of main line 2 and time pipeline 3 is 20.6 to 1, and is divided
Proportioning maintains a long-term stability, and deviation is less than 4%.
Embodiment 5
The structure of the flow distribution device of the present embodiment and embodiment 1 are almost the same, including 2, one pipes of a main line
Road 3 and a vent diverter 4.
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, remaining is water, is mixed to prepare water-coal-slurry.
As shown in Figure 1, wherein in the first included angle A=60 °, the second included angle B=90 °.The internal diameter of import department 41 is D, shunting
Element 4 is as shown in figure 3, feature structure：The length of throat 43 is 0.5D, and the internal diameter of throat 43 is 5mm, and angle of throat C is 10 °, is expanded
Subtended angle E is 8 °.Realize the accurate distribution of coal slurry flow, the distribution ratio of liquid flow of main line 2 and time pipeline 3 is 11.2 to 1, and is divided
Proportioning maintains a long-term stability, and deviation is less than 3%.
Embodiment 6
The structure of the flow distribution device of the present embodiment and embodiment 1 are almost the same, including 2, one pipes of a main line
Road 3 and a vent diverter 4.
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, remaining is water, is mixed to prepare water-coal-slurry.
As shown in Figure 1, wherein the first included angle A=30 °, the second included angle B=60 °.The internal diameter of import department 41 is D, shunting member
Part 4 is as shown in figure 3, feature structure：The length of throat 43 is 5D, and the internal diameter of throat 43 is 0.7D, and angle of throat C is 45 °, the angle of flare
E is 35 °.Realize the accurate distribution of coal slurry flow, the distribution ratio of liquid flow of main line 2 and time pipeline 3 is 12.9 to 1, and distribution
Than maintaining a long-term stability, deviation is less than 3%.
Embodiment 7
Understood incorporated by reference to shown in Fig. 2, the flow distribution device of the present embodiment includes a main line 2, secondary pipeline 3, secondary
Pipeline 3 ', vent diverter 4 and vent diverter 4 '.
Petroleum coke content 60.5%, dewatered sludge content 2.1%, remaining is water, is mixed to prepare sludge petroleum charred slurry.
As shown in Figure 2, wherein the first included angle A=0 °, the second included angle B=90 °.The internal diameter of import department 41 is D, shunting member
Part 4 and vent diverter 4 ' are as shown in figure 4, the first inner chamber and second inner chamber of vent diverter are non-axis symmetry.
Feature structure：The length of the throat 43 of vent diverter 4 is 0.6D, and the internal diameter of throat 43 is 0.7D, and angle of throat C is
21 °, angle of flare E is 15 °；The length of the throat 43 of vent diverter 4 ' is 4D, and the internal diameter of throat 43 is 0.6D, and angle of throat C is
30 °, angle of flare E is 25 °.
Realize the accurate distribution of sludge petroleum charred slurry flow, main line 2, secondary pipeline 3 and secondary pipeline 3 ' assignment of traffic
Than being 6：2：1, and distribution ratio maintains a long-term stability, deviation is less than 5%.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, many changes and modifications may be made, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (6)
1. a kind of flow distribution device, the distribution flow for adjusting coal slurry, the flow distribution device include a main pipe rail,
It is characterized in that, the flow distribution device further includes：
One main line, one end of the main line are connected with one end of the main pipe rail, the main line and the main pipe rail
Extended line formed the first angle；
One end of at least one secondary pipeline, each secondary pipeline is connected with one end of the main pipe rail, the secondary pipeline with
The extended line of the main pipe rail forms the second angle；
At least one vent diverter, a vent diverter are arranged in a secondary pipeline, and the vent diverter is for adjusting institute
State main line, the flow in the secondary pipeline；
The vent diverter includes import department, first inner chamber, throat, second inner chamber and the outlet portion for being sequentially connected and being connected to,
In：
The inner wall of the first inner chamber is the inclined-plane that internal diameter gradually successively decreases, and the first inner chamber is in described import department one end
Diameter is more than internal diameter of the first inner chamber close to described throat one end, and the first inner chamber includes an angle of throat；
The inner wall of the second inner chamber is internal diameter gradually incremental inclined-plane, internal diameter of the second inner chamber close to described throat one end
Less than the second inner chamber close to the internal diameter of described outlet portion one end, the second inner chamber includes an angle of flare；
The internal diameter at the throat both ends is identical；
The import department is identical with the internal diameter of the outlet portion, and the import department, the outlet portion both ends internal diameter phase
Together；
The internal diameter of the import department is D, and the length of the throat is less than or equal to 50D, and the internal diameter of the throat is greater than or equal to
1mm, the angle of throat are less than or equal to 90 °, and the angle of flare is less than or equal to 75 °.
2. flow distribution device as described in claim 1, which is characterized in that the vent diverter is Venturi tube.
3. flow distribution device as described in claim 1, which is characterized in that first inner chamber and second inner chamber are axial symmetry.
4. flow distribution device as described in claim 1, which is characterized in that the internal diameter of the import department is D, the throat
Length is 0.2D-25D, and the internal diameter of the throat is 3mm-0.85D, and the angle of throat is 5 ° -60 °, the angle of flare is 5 ° -
50°。
5. flow distribution device as claimed in claim 4, which is characterized in that the internal diameter of the import department is D, the throat
Length is 0.5D-5D, and the internal diameter of the throat is 5mm-0.7D, and the angle of throat is 10 ° -45 °, the angle of flare is 8 ° -
35°。
6. flow distribution device as described in claim 1, which is characterized in that first angle is 0 ° -60 °, described 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 CN105602627A (en) | 2016-05-25 |
| CN105602627B true CN105602627B (en) | 2018-10-02 |
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ID=55982988
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610149351.8A Active CN105602627B (en) | 2016-03-16 | 2016-03-16 | Flow distribution device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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|---|---|---|---|---|
| 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 |
| 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 |
-
2016
- 2016-03-16 CN CN201610149351.8A patent/CN105602627B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN205501216U (en) * | 2016-03-16 | 2016-08-24 | 华东理工大学 | flow distribution device |
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