CN205501216U - flow distribution device - Google Patents

flow distribution device Download PDF

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Publication number
CN205501216U
CN205501216U CN201620201811.2U CN201620201811U CN205501216U CN 205501216 U CN205501216 U CN 205501216U CN 201620201811 U CN201620201811 U CN 201620201811U CN 205501216 U CN205501216 U CN 205501216U
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China
Prior art keywords
throat
internal diameter
angle
inner chamber
distribution device
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Active
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CN201620201811.2U
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Chinese (zh)
Inventor
赵辉
刘海峰
李伟锋
代正华
许建良
梁钦锋
龚欣
王辅臣
于广锁
王亦飞
陈雪莉
郭庆华
郭晓镭
王兴军
刘霞
陆海峰
李超
龚岩
王立
章文斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Yineng Gas Technology Co ltd
Shanghai Xinyuan Environmental Engineering Co ltd
East China University of Science and Technology
Original Assignee
Shanghai Yineng Gas Technology Co ltd
Shanghai Xinyuan Environmental Engineering Co ltd
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Application filed by Shanghai Yineng Gas Technology Co ltd, Shanghai Xinyuan Environmental Engineering Co ltd filed Critical Shanghai Yineng Gas Technology Co ltd
Priority to CN201620201811.2U priority Critical patent/CN205501216U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/16Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
    • Y02E20/18Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]

Abstract

The utility model discloses a flow distribution device, including all pipelines, flow distribution device still includes: a main line, the one end of main line with the one end of total pipeline is linked together, the main line with the extension line of total pipeline forms first contained angle, at least one inferior pipeline, each the one end of inferior pipeline with the one end of total pipeline is linked together, inferior pipeline with the extension line of total pipeline forms the second contained angle, at least one divides the fluid element, one divide the fluid element to wear to locate one inferior pipeline, divide the fluid element to be used for adjusting the main line flow in the inferior pipeline. The utility model discloses an accurate distribution of coal slurry flow and the long period run of safe and reliable of device.

Description

Flow distribution device
Technical field
This utility model relates to a kind of flow distribution device.
Background technology
This utility model relates to device and the technique of water-coal-slurry assignment of traffic.
Water-coal-slurry is a kind of by 60~the coal dust of about 70%, water and a small amount of additive are mixed with Liquid, pumpable, atomization, accumulating, it changes the traditional combustion mode of coal, shows huge Environmental 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 station Boiler, Industrial Boiler and Industrial Stoves, for oil, for gas, for coal combustion, are the weights of current clean coal technology Want ingredient.China is the country of the few oil of a rich coal, water-coal-slurry as novel generation oil environment-friendly fuel, Just recognized by increasing enterprise, use COAL-WATER SLURRY TECHNOLOGY to improve the product knot of coal enterprise further Structure, improves economic benefit of coal enterprises.COAL-WATER SLURRY TECHNOLOGY can also solve some coal-burning utilities environmental protection and works The problem of skill procedure regulation, is the most real, is also 21 century the most commercioganic clean coal technology.
Coal water slurry entrained flow bed gasification, as the important component part of clean coal technology, has leading position.It Cheap coal high-efficiency is transformed into cleaning coal gas, can be not only used for produce chemical products, as synthesis ammonia, Methanol, dimethyl ether etc., it may also be used for coal directly and indirect liquefaction, combined cycle generation and with coal gasification Based on the field such as Poly-generation.Coal slurry gasifier pressure up to 8.7MPa, temperature is 1200~1400 DEG C.Under this High Temperature High Pressure, chemical reaction rate is fast, thus treating capacity is big, and effective gas becomes Dividing high, efficiency of carbon con version is high.Single stove day process coal is up to 3000 tons, and efficiency of carbon con version reaches more than 98%, Available gas composition is up to 85%.
As a example by coal water slurry entrained flow bed gasification, in prior art, the water-coal-slurry conveying entering gasification furnace is main Use high-pressure coal pulp pump, generally diaphragm reciprocating pump.The form of diaphragm reciprocating pump is double cylinder double acting Piston-diaphragm pump;Each diaphragm reciprocating pump has an import, two outlets, two outlet coal slurry flows Equal, the difference of two plume amounts is not more than 2%, and flow is fixed.If so distribution ratio of liquid flow is 1 to 1, A coal slurry pump then can be utilized to realize;If other ratios, then a pipeline is needed to be equipped with a pump. Coal slurry pump belongs to dynamic equipment, and the life-span is shorter, price, and fault rate is high, maintenance complexity.If every pipe Line is equipped with a pump, and the combination of multiple stage high-pressure coal pulp pump will be the important of obstruction total system long-period stable operation One of factor.If using control valve that the flow of different pipelines is adjusted respectively, consolidating in coal slurry Body granule is easily caused defective valve and seriously denudes damage so that the regulation of flow exists the biggest deviation, Maintenance is frequently.
Utility model content
The technical problems to be solved in the utility model is to overcome the conveying of water-coal-slurry in prior art to set The standby defect accurately distributed that there is fault rate height, price, maintenance complexity and flow can not be carried out, A kind of flow distribution device is provided.
This utility model solves above-mentioned technical problem by following technical proposals:
A kind of flow distribution device, including a main pipe rail, described flow distribution device also includes:
One main line, one end of described main line is connected with one end of described main pipe rail, described main line The first angle is formed with the extended line of described main pipe rail;
At least one pipeline, one end of each described pipeline is connected with one end of described main pipe rail, The extended line of described pipeline and described main pipe rail forms the second angle;
At least one vent diverter, vent diverter described in is arranged in time pipeline described in, described shunting unit Part is for regulating the flow in described main line, described pipeline.
The fixed proportion utilizing specific vent diverter to achieve water-coal-slurry flow of the present utility model is distributed, suitable Wide by scope, be conducive to extensive efficiently dispensing and produce, also contributing to water-coal-slurry application technology simultaneously Optimize.
It is preferred that described vent diverter is Venturi tube.
It is preferred that described vent diverter include being sequentially connected with and connect import department, the first inner chamber, throat, Second inner chamber and export department, wherein:
The inwall of described first inner chamber is the inclined-plane that internal diameter gradually successively decreases, described first inner chamber near described in enter The internal diameter of oral area one end is more than described first inner chamber internal diameter near described throat one end, described first inner chamber Including an angle of throat;
The inwall of described second inner chamber is the inclined-plane that internal diameter is gradually incremented by, and described second inner chamber is near described larynx The internal diameter of one end, portion is less than described second inner chamber internal diameter near described export department one end, described second inner chamber Including an angle of flare;
The internal diameter at described throat two ends is identical;
Described import department is identical with the internal diameter of described export department, and described import department, described export department The internal diameter at two ends is identical.
It is preferred that described first inner chamber and described second inner chamber are axial symmetry.
It is preferred that the internal diameter of described import department is D, the length of described throat is less than or equal to 50D, institute The internal diameter stating throat is less than or equal to 90 ° more than or equal to 1mm, described angle of throat, the described angle of flare Less than or equal to 75 °.
It is preferred that the internal diameter of described import department is D, a length of 0.2D-25D of described throat, described larynx The internal diameter in portion is 3mm-0.85D, and described angle of throat is 5 °-60 °, and the described angle of flare is 5 °-50 °.
It is preferred that the internal diameter of described import department is D, a length of 0.5D-5D of described throat, described larynx The internal diameter in portion is 5mm-0.7D, and described angle of throat is 10 °-45 °, and the described angle of flare is 8 °-35 °.
It is preferred that described first angle is 0 °-60 °, described second angle is 15 °-90 °.
Positive progressive effect of the present utility model is:
1, the fixed proportion utilizing specific vent diverter to achieve water-coal-slurry flow of the present utility model distribution, Applied widely, be conducive to extensive efficiently dispensing and produce, also contributing to water-coal-slurry application technology simultaneously Optimization;
2, this utility model method avoids employing this perishable easily worn part of control valve, it also avoid Being used in combination of multiple stage costliness high-pressure coal pulp pump, investment reduction;
3, this utility model is by described first angle, the angular adjustment of described second angle, and To the length at position each in vent diverter and angle regulate achieve realize water-coal-slurry flow accurately point Join;
4, this utility model is simple and reliable, and wearability is good, is not easily blocked, failure rate is low, has notable Economic benefit, the safest long-period stable operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the flow distribution device of this utility model preferred embodiment.
Fig. 2 is the structural representation of the flow distribution device of another preferred embodiment of this utility model.
Fig. 3 is the structural representation of the vent diverter of this utility model preferred embodiment.
Fig. 4 is the structural representation of the vent diverter of another preferred embodiment of this utility model.
Detailed description of the invention
Name preferred embodiment, and combine accompanying drawing and become apparent from intactly illustrating this utility model.
Embodiment 1
Being understood incorporated by reference to Fig. 1 and Fig. 3, the implementation case provides a kind of flow distribution device, including One main pipe rail 1, flow distribution device also includes a main line 2, time pipeline 3 and a shunting unit Part 4.
One end of main line 2 is connected with one end of main pipe rail 1, main line 2 and the prolongation of main pipe rail 1 Line forms the first included angle A.One end of secondary pipeline 3 is connected with one end of main pipe rail 1, secondary pipeline 3 with The 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 be used for regulating main line 2, Flow in secondary pipeline 3.Vent diverter 4 is Venturi tube.
Import department's the 41, first inner chamber 42 that vent diverter 4 includes being sequentially connected with and connect, throat 43, Second inner chamber 44 and export department 45.
The inwall of the first inner chamber 42 is the inclined-plane that internal diameter gradually successively decreases, and the first inner chamber 42 is near import department 41 The internal diameter of one end is more than first inner chamber 42 internal diameter near throat 43 one end, and the first inner chamber 42 includes one Angle of throat C.The inwall of the second inner chamber 44 is the inclined-plane that internal diameter is gradually incremented by, and the second inner chamber 44 is near larynx The internal diameter of one end, portion 43 is less than second inner chamber 44 internal diameter near export department 45 one end, the second inner chamber 44 Including angle of flare E.The internal diameter at throat 43 two ends is identical.Import department 41 and the internal diameter of export department 45 Identical, and the internal diameter at two ends of import department 41, export department 45 is identical.First inner chamber and the second inner chamber For axial symmetry.
This utility model realizes the accurately distribution of water-coal-slurry flow and the safe and reliable long-term operation of device, It is applicable to the fields such as water-coal-slurry dispensing, coal water slurry boiler, kiln and coal water slurry gasification.Water-coal-slurry is except often Outside rule water-coal-slurry, also include: coal, petroleum charred slurry, biomass coal liquid and sludge coal slurry etc..This reality With novel by main line 2, secondary pipeline 3 and be arranged in vent diverter 4 combination of time pipeline 3 and adjust Economize on coal slurry distribution flow.
Concrete scheme is as follows:
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, remaining is water, mixing system Obtain water-coal-slurry.
As it is shown in figure 1, wherein, the first included angle A=0 °, the second included angle B=90 °.Import department 41 Internal diameter is D, and vent diverter 4 is as it is shown on figure 3, feature structure: a length of 2D of throat 43, throat The internal diameter of 43 is 0.6D, and angle of throat C is 21 °, and angle of flare E is 15 °.Achieve the essence of coal slurry flow Really distribution, main line 2 is 9 to 1 with the distribution ratio of liquid flow of secondary pipeline 3, and distribution ratio keeps long-term steady Fixed, deviation is less than 5%.
Embodiment 2
The structure of the flow distribution device of the present embodiment is basically identical with embodiment 1, including a main line 2, One pipeline 3 and a vent diverter 4.
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, remaining is water, mixing system Obtain water-coal-slurry.
As it is shown in figure 1, wherein, the first included angle A=0 °, the second included angle B=15 °.Import department 41 Internal diameter is D, and vent diverter 4 is as it is shown on figure 3, feature structure: a length of 50D of throat 43, larynx The internal diameter in portion 43 is 1mm, and angle of throat C is 0 °, and angle of flare E is 15 °.Achieve coal slurry flow Accurately distribution, main line 2 is 121 to 1 with the distribution ratio of liquid flow of secondary pipeline 3, and distribution ratio keeps long Phase is stable, and deviation is less than 5%.
Embodiment 3
The structure of the flow distribution device of the present embodiment is basically identical with embodiment 1, including a main line 2, One pipeline 3 and a vent diverter 4.
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, remaining is water, mixing system Obtain water-coal-slurry.
As it is shown in figure 1, wherein, the first included angle A=60 °, the second included angle B=90 °.Import department 41 Internal diameter be D, vent diverter 4 is as it is shown on figure 3, feature structure: a length of 0.2D of throat 43, The internal diameter of throat 43 is 3mm, and angle of throat C is 5 °, and angle of flare E is 5 °.Achieve coal slurry flow Accurate distribution, main line 2 is 9.45 to 1 with the distribution ratio of liquid flow of secondary pipeline 3, and distribution ratio holding Steadily in the long term, deviation is less than 3%.
Embodiment 4
The structure of the flow distribution device of the present embodiment is basically identical with embodiment 1, including a main line 2, One pipeline 3 and a vent diverter 4.
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, remaining is water, mixing system Obtain water-coal-slurry.
As it is shown in figure 1, wherein, the first included angle A=0 °, the second included angle B=15 °.Import department 41 Internal diameter is D, and vent diverter 4 is as it is shown on figure 3, feature structure: a length of 25D of throat 43, larynx The internal diameter in portion 43 is 0.85D, and angle of throat C is 60 °, and angle of flare E is 50 °.Achieve coal slurry flow Accurate distribution, main line 2 is 20.6 to 1 with the distribution ratio of liquid flow of secondary pipeline 3, and distribution ratio holding Steadily in the long term, deviation is less than 4%.
Embodiment 5
The structure of the flow distribution device of the present embodiment is basically identical with embodiment 1, including a main line 2, One pipeline 3 and a vent diverter 4.
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, remaining is water, mixing system Obtain water-coal-slurry.
As it is shown in figure 1, wherein, in the first included angle A=60 °, the second included angle B=90 °.Import department 41 Internal diameter be D, vent diverter 4 is as it is shown on figure 3, feature structure: a length of 0.5D of throat 43, The internal diameter of throat 43 is 5mm, and angle of throat C is 10 °, and angle of flare E is 8 °.Achieve coal slurry flow Accurate distribution, main line 2 is 11.2 to 1 with the distribution ratio of liquid flow of secondary pipeline 3, and distribution ratio holding Steadily in the long term, deviation is less than 3%.
Embodiment 6
The structure of the flow distribution device of the present embodiment is basically identical with embodiment 1, including a main line 2, One pipeline 3 and a vent diverter 4.
Shenfu coal content 64.8%, naphthalene sulfonate (dispersant) content 0.5%, remaining is water, mixing system Obtain water-coal-slurry.
As it is shown in figure 1, wherein, the first included angle A=30 °, the second included angle B=60 °.Import department 41 Internal diameter be D, vent diverter 4 is as it is shown on figure 3, feature structure: a length of 5D of throat 43, larynx The internal diameter in portion 43 is 0.7D, and angle of throat C is 45 °, and angle of flare E is 35 °.Achieve coal slurry flow Accurately distribution, main line 2 is 12.9 to 1 with the distribution ratio of liquid flow of secondary pipeline 3, and distribution ratio keeps long Phase 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 include 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 in figure 2 it is shown, wherein, the first included angle A=0 °, the second included angle B=90 °.Import department 41 Internal diameter is D, vent diverter 4 and vent diverter 4 ' as shown in Figure 4, the first inner chamber of vent diverter and Two inner chambers are non-axis symmetry.
Feature structure: a length of 0.6D of the throat 43 of vent diverter 4, the internal diameter of throat 43 is 0.7D, Angle of throat C is 21 °, and angle of flare E is 15 °;The a length of 4D of the throat 43 of vent diverter 4 ', The internal diameter of throat 43 is 0.6D, and angle of throat C is 30 °, and angle of flare E is 25 °.
Achieve the accurate distribution of sludge petroleum charred slurry flow, main line 2, secondary pipeline 3 and secondary pipeline 3 ' Distribution ratio of liquid flow be 6:2:1, and distribution ratio maintains a long-term stability, and deviation is less than 5%.
Although the foregoing describing detailed description of the invention of the present utility model, but those skilled in the art should Working as understanding, this is merely illustrative of, and protection domain of the present utility model is to be defined by the appended claims 's.Those skilled in the art, can be right on the premise of without departing substantially from principle of the present utility model and essence These embodiments make various changes or modifications, but these changes and amendment each fall within of the present utility model Protection domain.

Claims (8)

1. a flow distribution device, including a main pipe rail, it is characterised in that described assignment of traffic fills Put and also include:
One main line, one end of described main line is connected with one end of described main pipe rail, described main line The first angle is formed with the extended line of described main pipe rail;
At least one pipeline, one end of each described pipeline is connected with one end of described main pipe rail, The extended line of described pipeline and described main pipe rail forms the second angle;
At least one vent diverter, vent diverter described in is arranged in time pipeline described in, described shunting unit Part is for regulating the flow in described main line, described pipeline.
2. flow distribution device as claimed in claim 1, it is characterised in that described vent diverter is Venturi tube.
3. flow distribution device as claimed in claim 1, it is characterised in that described vent diverter bag Include import department, the first inner chamber, throat, the second inner chamber and the export department being sequentially connected with and connecting, wherein:
The inwall of described first inner chamber is the inclined-plane that internal diameter gradually successively decreases, described first inner chamber near described in enter The internal diameter of oral area one end is more than described first inner chamber internal diameter near described throat one end, described first inner chamber Including an angle of throat;
The inwall of described second inner chamber is the inclined-plane that internal diameter is gradually incremented by, and described second inner chamber is near described larynx The internal diameter of one end, portion is less than described second inner chamber internal diameter near described export department one end, described second inner chamber Including an angle of flare;
The internal diameter at described throat two ends is identical;
Described import department is identical with the internal diameter of described export department, and described import department, described export department The internal diameter at two ends is identical.
4. flow distribution device as claimed in claim 3, it is characterised in that described first inner chamber and Described second inner chamber is axial symmetry.
5. flow distribution device as claimed in claim 3, it is characterised in that described import department interior Footpath 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, it is characterised in that described import department interior Footpath is D, a length of 0.2D-25D of described throat, and the internal diameter of described throat is 3mm-0.85D, institute Stating angle of throat is 5 °-60 °, and the described angle of flare is 5 °-50 °.
7. flow distribution device as claimed in claim 6, it is characterised in that described import department interior Footpath is D, a length of 0.5D-5D of described throat, and the internal diameter of described throat is 5mm-0.7D, described Angle of throat is 10 °-45 °, and the described angle of flare is 8 °-35 °.
8. flow distribution device as claimed in claim 1, it is characterised in that described first angle is 0 ° -60 °, described second angle is 15 °-90 °.
CN201620201811.2U 2016-03-16 2016-03-16 flow distribution device Active CN205501216U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105602627A (en) * 2016-03-16 2016-05-25 华东理工大学 Flow distribution device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105602627A (en) * 2016-03-16 2016-05-25 华东理工大学 Flow distribution device
CN105602627B (en) * 2016-03-16 2018-10-02 华东理工大学 Flow distribution device

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