CN209601622U - A kind of pneumatic conveying experimental provision - Google Patents

A kind of pneumatic conveying experimental provision Download PDF

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Publication number
CN209601622U
CN209601622U CN201920100920.9U CN201920100920U CN209601622U CN 209601622 U CN209601622 U CN 209601622U CN 201920100920 U CN201920100920 U CN 201920100920U CN 209601622 U CN209601622 U CN 209601622U
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China
Prior art keywords
pot
pipeline
pneumatic valve
line
operated pneumatic
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CN201920100920.9U
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Chinese (zh)
Inventor
王雷
王虎
贾欣鑫
李遵伟
张�浩
王艳龙
李显昭
崔文汉
韩科行
赵燕博
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Dongying Wanbang Petroleum Technology Co ltd
Oceanographic Instrumentation Research Institute Shandong Academy of Sciences
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Dongying Wanbang Petroleum Technology Co ltd
Oceanographic Instrumentation Research Institute Shandong Academy of Sciences
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Abstract

The utility model discloses a kind of pneumatic conveying experimental provision, which includes high pressure gas generating device, material pot A, material pot B and dedusting tank;High pressure gas generating device connects the bottom material pot B by admission line, and material pot A connects dedusting tank, the bottom material pot A connecting pipeline A to the top material pot B, the bottom material pot B connecting pipeline B to the top material pot A by vent line respectively with the top material pot B;Tap line one is set on admission line and connects the bottom material pot A, two connecting pipeline A of tap line is set, setting tap line three connects dedusting pot bottom, four connecting pipeline B of tap line is arranged;Material pot B discharge port is opened up on pipeline B, dedusting pot bottom opens up dedusting tank discharge port;Operated pneumatic valve is respectively provided on above-mentioned pipeline, device disclosed in the utility model can be with motion state of the accurate simulation bulk cargo in material pot and pipeline, to more accurately check to mass flow.

Description

A kind of pneumatic conveying experimental provision
Technical field
The utility model relates to bulk material pneumatic transportation art, in particular to a kind of pneumatic conveying experimental provision.
Background technique
Bulk conveying system be using pneumatic conveying mode, by closed conduit realize granular material (cement, barite, Bentonite, additive etc.) at the dry-mixed station in land, the long range between Multi-functional transporting ship and marine drilling platform, efficiently conveying is made The equipment of industry.Bulk cargo needs the mass flow of on-line real time monitoring bulk cargo during conveying.
The method of the mass flow measurement of bulk cargo mainly has electric method, microwave method, ray method etc. at present, and no matter which kind of is surveyed Amount method requires a set of experimental provision and carries out check verifying.The Kent university of Britain, Southeast China University, the Central China University of Science and Technology and University Of Tianjin all used free fall experimental device to carry out Dual-Phrase Distribution of Gas olid tachometric survey;Qingdao University of Science and Technology draws from Germany Into large-scale pneumatic conveying experimental provision, can carry out pneumatic conveying and material blending etc. experimental study.
Free fall experimental device can only measure the material speed of vertical section, and the Flow of Goods and Materials of horizontal pipe section can not mould It is quasi-.In addition to this, the arrangement form and engineering physical presence that the disadvantage of above technical scheme maximum is exactly experimental provision are centainly Gap, it is practical that motion state of the bulk cargo in material pot and pipeline can not simulate true industry, to influence mass flow biography The stated accuracy of sensor.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of pneumatic conveying experimental provision, with reach can be quasi- Really motion state of the simulation bulk cargo in material pot and pipeline, thus the purpose more accurately checked to mass flow.
In order to achieve the above objectives, the technical solution of the utility model is as follows:
A kind of pneumatic conveying experimental provision, including high pressure gas generating device, material pot A, material pot B and dedusting tank, institute It states and feeding port is set at the top of material pot B, exhaust valve is set at the top of the dedusting tank;The material pot A and material pot B bottom leg On be respectively set weighing sensor, the high pressure gas generating device passes through admission line and connects the bottom material pot B, the material Dedusting tank, the bottom material pot A connecting pipeline A to material pot B are connected by vent line respectively at the top of tank A and material pot B Top, the bottom material pot B connecting pipeline B respectively include horizontal segment and hang down to the top material pot A, the pipeline A and pipeline B Horizontal segment mass flow sensor and vertical section mass flow sensor is respectively set on the horizontal segment and vertical section in straight section; Tap line one is set on the admission line and connects the bottom material pot A, two connecting pipeline A of tap line is set, branch is set Pipeline three connects dedusting pot bottom, and four connecting pipeline B of tap line is arranged;Material pot B discharge port, institute are opened up on the pipeline B It states dedusting pot bottom and opens up dedusting tank discharge port;Operated pneumatic valve is respectively provided on above-mentioned pipeline.
In above scheme, the high pressure gas generating device includes sequentially connected air compressor machine, air tank and dry and cold machine, institute Dry and cold machine is stated to connect with admission line.
In above scheme, operated pneumatic valve one is set in the tap line one, pneumatic operated valve is set in the tap line two Operated pneumatic valve three is arranged in the tap line three, operated pneumatic valve four, the air inlet pipe is arranged in the tap line four for door two Operated pneumatic valve five is set at material pot B location on line;Operated pneumatic valve is set on vent line at the top of the material pot A Operated pneumatic valve 7 is set on the vent line at the top of six, the material pot B, is arranged at material pot location A on the pipeline A Operated pneumatic valve nine is arranged at material pot B location, gas is arranged at material pot B location on the pipeline B for operated pneumatic valve eight Operated pneumatic valve 11 is arranged in movable valve ten at material pot location A.
In above scheme, manually-operated gate is set on the material pot B discharge port and dedusting tank discharge port.
In above scheme, the material pot A connects dedusting tank by emptying threeway with the vent line of material pot B.
Through the above technical solutions, pneumatic conveying experimental provision provided by the utility model solves experiment dress on the whole It sets with Practical Project equipment because simulated experiment error problem caused by the factor of scaling factor, can really simulate material and exist Flow regime in pipeline improves the check precision of mass flow of materials meter;It hangs down provided with two sections of horizontal experiment pipeline sections and two sections Straight experiment pipeline section, can influence with measurement experiment pipeline section placement location and pipeline section distance to mass flow measurement;Testing material can To convey back and forth in two material pots, circulation is carried out, and increases experimental period, reduces experiment material usage amount;Material pot With dedusting tank be discharged experiment material mode be all using pressure-air convey by the way of, it is convenient and efficient;Location Detection of Medium Transportation Pipeline and The valve of gas circuit pipeline uses operated pneumatic valve, high degree of automation.In conclusion the pneumatic conveying experimental provision of the utility model And the advantages of experimental method has close to engineering reality, and error is small, convenient and efficient, high degree of automation.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described.
Fig. 1 is a kind of pneumatic conveying experimental provision main view disclosed in the utility model embodiment;
Fig. 2 is a kind of pneumatic conveying experimental provision top view disclosed in the utility model embodiment;
Fig. 3 is a kind of operated pneumatic valve layout drawing of pneumatic conveying experimental provision disclosed in the utility model embodiment;
Fig. 4 is the utility model embodiment functional block diagram.
In figure, 1, material pot A;2, material pot B;3, dedusting tank;4, air compressor machine;5, air tank;6, dry and cold machine;7, it feeds intake Mouthful;8, exhaust valve;9, weighing sensor;10, admission line;11, vent line;12, pipeline A;13, pipeline B;14, horizontal segment Mass flow sensor;15, vertical section mass flow sensor;16, tap line one;17, tap line two;18, bypass duct Line three;19, tap line four;20, material pot B discharge port;21, dedusting tank discharge port;22, operated pneumatic valve one;23, operated pneumatic valve Two;24, operated pneumatic valve three;25, operated pneumatic valve four;26, operated pneumatic valve five;27, operated pneumatic valve six;28, operated pneumatic valve seven;29, Operated pneumatic valve eight;30, operated pneumatic valve nine;31, operated pneumatic valve ten;32, operated pneumatic valve 11;33, manually-operated gate;34, three are emptied It is logical.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe.
The utility model provides a kind of pneumatic conveying experimental provision, apparatus structure as shown in Figure 1, the device and experiment The advantages of method has close to engineering reality, and error is small, convenient and efficient, high degree of automation.
A kind of pneumatic conveying experimental provision as depicted in figs. 1 and 2, including high pressure gas generating device, material pot A 1, Material pot B 2 and dedusting tank 3, high pressure gas generating device include sequentially connected air compressor machine 4, air tank 5 and dry and cold machine 6.Object Feeding port 7 is set at the top of batch can B 2, exhaust valve 8 is set at the top of dedusting tank 3;In 2 bottom leg of material pot A 1 and material pot B Weighing sensor 9 is respectively set, dry and cold machine 6 connects 2 bottom material pot B, material pot A 1 and material pot B by admission line 10 2 tops connect dedusting tank 3, the top 1 bottom connecting pipeline A 12 of material pot A to material pot B2, object by vent line 11 respectively The top 2 bottom connecting pipeline B 13 of batch can B to material pot A 1, pipeline A 12 and pipeline B 13 respectively include horizontal segment and vertical Section, horizontal segment mass flow sensor 14 and vertical section mass flow sensor 15 is respectively set on horizontal segment and vertical section;Into Tap line 1 is set on gas pipeline 10 and connects 1 bottom material pot A, 2 17 connecting pipeline A 12 of tap line, setting are set Tap line 3 18 connects 3 bottom of dedusting tank, and 4 19 connecting pipeline B 13 of tap line is arranged;Material pot is opened up on pipeline B 13 B discharge port 20,3 bottom of dedusting tank open up dedusting tank discharge port 21;Operated pneumatic valve is respectively provided on above-mentioned pipeline.
As shown in Figure 3 and Figure 4, operated pneumatic valve 1 is set in tap line 1, and setting is pneumatic in tap line 2 17 Operated pneumatic valve 3 24 is arranged in tap line 3 18, operated pneumatic valve 4 25, air inlet pipe is arranged in tap line 4 19 for valve 2 23 Operated pneumatic valve 5 26 is set at 2 position material pot B on line 10;Setting is pneumatic on the vent line 11 at 1 top material pot A Valve 6 27, is arranged operated pneumatic valve 7 28 on the vent line 11 at the top material pot B 2, close to material pot A 1 on pipeline A 12 Operated pneumatic valve 8 29 is set at position, operated pneumatic valve 9 30, close material on pipeline B 13 are set at 2 position material pot B Operated pneumatic valve 10 is set at 2 position tank B, operated pneumatic valve 11 is set at 1 position material pot A.Material pot B discharging Manually-operated gate 33 is set on mouth 20 and dedusting tank discharge port 21.The vent line 11 of material pot A 1 and material pot B 2 passes through emptying Threeway 34 connects dedusting tank 3.
A kind of pneumatic conveying experimental method, specific operation process are as follows:
(1) horizontal segment mass flow sensor 14 to be measured and vertical section mass flow sensor 15 are separately mounted to pipe Weighing sensor 9 is installed on 2 bottom branch of material pot A 1 and material pot B by the horizontal segment and vertical section of line A12 and pipeline B 13 Preparation on leg, before carrying out sensor experiment.
(2) experiment material is thrown into material pot B 2 by feeding port 7, is then shut off feeding port;By air compressor machine 4 and dry and cold Machine 6 is opened, and is inflated into air tank 5, until reaching the pressure of requirement of experiment.
(3) open operated pneumatic valve 5 26, enter high pressure gas in material pot B 2 by admission line 10, remaining into Manually-operated gate and operated pneumatic valve on gas pipeline 10 and tap line remain off.
(4) after material pot B 2 inflates a period of time, the material in tank reaches fluidized state under the action of pressure-air Afterwards, operated pneumatic valve 10 is opened, operated pneumatic valve 11 is opened, opens operated pneumatic valve 6 27, opens the exhaust at 3 top of dedusting tank Valve 8.
(5) step (4) are completed afterwards for a period of time, is starting the mark for carrying out sensor after material flows in pipeline and stablizes Fixed work.Record the weight value and object that weighing sensor measures under 2 spud leg of various time points material pot B in one section of experimental period The instantaneous flow and integrated flow that material mass flow sensor measures, the weight which is measured The integrated flow that decreasing value and mass flow sensor measure compares, and various time points weighing sensor in experimental period section is surveyed The instantaneous flow that the weight reduction speed and mass flow sensor obtained measures compares, to complete staking-out work.
(6) after the material in material pot B 2 is all transported in material pot A 1, operated pneumatic valve 5 26 is closed, is closed pneumatic Valve 10 is opened operated pneumatic valve 4 25, is blown to material remaining in pipeline B 13 in material pot A 1 using pressure-air.
(7) operated pneumatic valve 4 25 is closed, operated pneumatic valve 11 is closed, closes operated pneumatic valve 6 27, opens operated pneumatic valve One 22, so that high pressure gas is entered material pot A 1.
(8) after material pot A 1 inflates a period of time, the material in tank reaches fluidized state under the action of pressure-air Afterwards, operated pneumatic valve 8 29 is opened, operated pneumatic valve 9 30 is opened, opens operated pneumatic valve 7 28.
(9) step (8) are completed afterwards for a period of time, is starting the mark for carrying out sensor after material flows in pipeline and stablizes Fixed work.Record the weight value and matter that weighing sensor measures under 1 spud leg of various time points material pot A in one section of experimental period The instantaneous flow and integrated flow that amount flow sensor measures.The weight that the experimental period section inner load cell is measured reduces The integrated flow that value and mass flow sensor measure compares, and various time points weighing sensor in experimental period section is measured The instantaneous flow that weight reduction speed and mass flow sensor measure compares, to complete staking-out work.
(10) after the material in material pot A 1 is all transported in material pot B 2, operated pneumatic valve 1 is closed, closes gas Movable valve 8 29 opens operated pneumatic valve 2 23, material remaining in pipeline A 12 is blown to material pot B 2 using pressure-air In.
(11) operated pneumatic valve 2 23 is closed, operated pneumatic valve 9 30 is closed, closes operated pneumatic valve 7 28, closes dedusting tank 3 Exhaust valve 8.
(12) materail tube line is connected at 2 discharge port 20 of material pot B to material collection tank, opens material pot B discharge port 20 The manually-operated gate 33 at place opens operated pneumatic valve 5 26, the material in material pot B 2 is transported in material collection tank.
(13) manually-operated gate 33 is closed, operated pneumatic valve 5 26 is closed, materail tube line is connected at dedusting tank discharge port 21 To material collection tank, the manually-operated gate 33 at dedusting tank discharge port 21 is opened, opens operated pneumatic valve 3 24, it will be in dedusting tank 3 Material is transported in material collection tank.
(14) manually-operated gate 33 at dedusting tank discharge port 21 is closed, operated pneumatic valve 3 24 is closed, close air compressor machine 4 and is done Cold 6 finally empties the air in air tank 5.
In the above process, the effect of dedusting tank 3 is will to blow from material pot A 1 and material pot B 2 by vent line 11 Gas be dusted, and high pressure gas is drained by the exhaust valve 8 at the top of dedusting tank 3, is guaranteed in material transportation process The normal discharge of high pressure gas.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (5)

1. a kind of pneumatic conveying experimental provision, which is characterized in that including high pressure gas generating device, material pot A, material pot B and Dedusting tank, the top material pot B are arranged feeding port, exhaust valve are arranged at the top of the dedusting tank;The material pot A and material pot Weighing sensor is respectively set in B bottom leg, the high pressure gas generating device connects the bottom material pot B by admission line Dedusting tank, the bottom material pot A connecting pipeline are connected by vent line respectively at the top of portion, the material pot A and material pot B At the top of A to material pot B, at the top of the bottom material pot B connecting pipeline B to material pot A, the pipeline A and pipeline B are respectively included Horizontal segment mass flow sensor and vertical section quality stream is respectively set on the horizontal segment and vertical section in horizontal segment and vertical section Quantity sensor;Tap line one is set on the admission line and connects the bottom material pot A, two connecting pipeline A of tap line is set, Tap line three is set and connects dedusting pot bottom, four connecting pipeline B of tap line is set;Material pot B is opened up on the pipeline B to go out Material mouth, the dedusting pot bottom open up dedusting tank discharge port;Operated pneumatic valve is respectively provided on above-mentioned pipeline.
2. a kind of pneumatic conveying experimental provision according to claim 1, which is characterized in that the high pressure gas generating device Including sequentially connected air compressor machine, air tank and dry and cold machine, the dry and cold machine is connect with admission line.
3. a kind of pneumatic conveying experimental provision according to claim 1, which is characterized in that be arranged in the tap line one Operated pneumatic valve two is arranged in the tap line two for operated pneumatic valve one, and operated pneumatic valve three is arranged in the tap line three, described Operated pneumatic valve four is set in tap line four, operated pneumatic valve five is set at material pot B location on the admission line;It is described Operated pneumatic valve six is set on the vent line at the top of material pot A, operated pneumatic valve is set on the vent line at the top of the material pot B Operated pneumatic valve 8 is set at material pot location A on seven, the pipeline A, operated pneumatic valve is set at material pot B location Operated pneumatic valve 10 is set at material pot B location on nine, the pipeline B, operated pneumatic valve ten is set at material pot location A One.
4. a kind of pneumatic conveying experimental provision according to claim 1, which is characterized in that the material pot B discharge port and Manually-operated gate is set on dedusting tank discharge port.
5. a kind of pneumatic conveying experimental provision according to claim 1, which is characterized in that the material pot A and material pot B Vent line by emptying threeway connect dedusting tank.
CN201920100920.9U 2019-01-22 2019-01-22 A kind of pneumatic conveying experimental provision Active CN209601622U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920100920.9U CN209601622U (en) 2019-01-22 2019-01-22 A kind of pneumatic conveying experimental provision

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920100920.9U CN209601622U (en) 2019-01-22 2019-01-22 A kind of pneumatic conveying experimental provision

Publications (1)

Publication Number Publication Date
CN209601622U true CN209601622U (en) 2019-11-08

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ID=68400052

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Application Number Title Priority Date Filing Date
CN201920100920.9U Active CN209601622U (en) 2019-01-22 2019-01-22 A kind of pneumatic conveying experimental provision

Country Status (1)

Country Link
CN (1) CN209601622U (en)

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