CN209143200U - It is a kind of can on-line sampling powder material conveying device - Google Patents
It is a kind of can on-line sampling powder material conveying device Download PDFInfo
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- CN209143200U CN209143200U CN201821605759.2U CN201821605759U CN209143200U CN 209143200 U CN209143200 U CN 209143200U CN 201821605759 U CN201821605759 U CN 201821605759U CN 209143200 U CN209143200 U CN 209143200U
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Abstract
The utility model discloses it is a kind of can on-line sampling powder material conveying device, the attraction tank car including being mounted with powder material, the attractions tank car is connected through powder material delivery pipe with feed bin, and the powder material delivery pipe is including at least one section of vertical section;One section of powder material branch delivery pipe is drawn in the vertical section of the powder material delivery pipe, the powder material branch delivery pipe is in parallel with the vertical section;First pipe valve, second pipe valve and third pipeline valve are from top to bottom disposed on the pipeline of the powder material branch delivery pipe, the second pipe valve is triple valve;One of outlet through the triple valve, powder material sample collected guide a sample collection device into.
Description
Technical field
The utility model relates to a kind of sampling techniques for examining chemical examination, are suitable for powder material pipeline on-line sampling.
More particularly to it is a kind of can on-line sampling powder material conveying device.
Background technique
The powder materials such as quick lime and metallurgical dust are much required by attracting tank car transfer again through strength in steel plant
Conveyance conduit facility is sent to corresponding feed bin.In routine quality management work, the powder materials such as quick lime and metallurgical dust are adopted
Sample mainly uses following several method:
(1), grey (dirt) point sampling is being produced;
(2), it is sampled in material outlet lower part;
(3), attracting the sampling of tank car charging door;
(4), attracting the sampling of tank car discharge port;
(5), using the closing tank car transportation system with on-line sampling device, (application No. is involved by 200920207849.0
And technical solution).
As shown in Figure 1, receiving system for a kind of powder material for attracting tank car in the prior art.Pass through gas source 27
Blowpipe 26 is helped to attract the powder in tank car 23 to provide conveying power with compressed air, and is conveyed by powder material delivery pipe 21
To feed bin.Quality inspection for system conveying powder, generallys use: a, sampling in material outlet lower part;B, attracting tank
Vehicle charging door 25 samples;C, tank car and conveying interface tube 22 is being attracted to sample.Wherein, valve 24 is screwed for controlling uninterrupted.
And when using the first above-mentioned method of sampling, due to produce between grey (dirt) point and point of use there is also transfer, charging,
Multiple links such as conveying, discharging, acquired sample cannot really reflect the mass propertys such as material size and ingredient.Therefore, generally
It is not used.
When using second of method of sampling, feed bin is at supplier or upstream process, such as by supplier personnel in material outlet
Sampling inspection then will affect the objectivity of inspection, and user can be brought if expatriate personnel sample at bin outlet manpower at
The low problem of this high efficiency.Therefore, this method is only applicable to frequency sampling operation of less demanding, cannot achieve to routinize and adopt
Sample.
When using the third method of sampling, tank car charging door lid door need to be opened, will be intercepted in sampling tube insert material,
It is influenced by human factor and tool limitation, the material of the following deeper inside of charging door charge level 0.5m can not be obtained.Relative to vehicle
Material, the quality representativeness of material is poor at charging door.In addition, being usually before canful and conveying in the sampling of tank car charging door
It carries out, because safety problem cannot uncap sampling again in process of pneumatic transmission.It can be seen that sampling number of this method of sampling to per car
There is larger limitation, influences operating efficiency if sampling of repeatedly uncapping.The sampling operation need to be carried out in tank car charging door platform, this is flat
Platform height is more than 2m away from ground, and platform is more long and narrow, and only about 1.5m, rail height are lower for width.Therefore, the method for sampling is also
There are security risks.
When using fourth method, when progress usually will be unsnatched in tank car, but often because of material spray caused by release not exclusively,
Cause fugitive dust, pollutes environment.Meanwhile release not exclusively can also be such that peripheral equipment and personnel are impacted by compressed air, there is also
Security risk.
Although the 5th kind of method of sampling can realize on-line sampling, there are following several main problems:
(1), waste material is unable to return system, needs independent clear away waste collecting tank;
(2), more material just enters sample cloth bag when Sampler valves aperture is smaller, valve, which is unable to standard-sized sheet, leads to sample generation
Table is still insufficient;
(3), system is difficult to quantitative collection sample, and redundant sample need to be discarded, and resource-effective performance is poor.
In conclusion currently used preceding four kinds of method of samplings can only carry out offline, and there is inconvenient, samples
Representativeness is poor, influences normal feeding, has the shortcomings that security risk;Although the 5th kind of method of sampling can on-line sampling, also
There are some defects.
Utility model content
For the quality management of the powder materials such as quick lime and the metallurgical dust of reinforcing steel plant and similar applications, overcome existing
Have the typical sample of the selective examination method of sampling it is poor, there are security risk, it is inconvenient for operation, be also easy to produce waste material and system cannot be returned etc.
Deficiency, the technical problem to be solved by the utility model is to provide on-line samplings in a kind of achievable transmission process, do not influence
Conveying operation be also not limited except as, objectively respond attract tank car in powder material quality condition can on-line sampling powder thing
Material conveying device.
Its technical problem to be solved can be implemented by the following technical programs.
It is a kind of can on-line sampling powder material conveying device, the attraction tank car including being mounted with powder material, the suction
Draw tank car and be connected through powder material delivery pipe with feed bin, the powder material delivery pipe includes at least one section of vertical section, feature
To draw one section of powder material branch delivery pipe in the vertical section of the powder material delivery pipe, the powder material branch is defeated
Send pipe in parallel with the vertical section;First pipe is from top to bottom disposed on the pipeline of the powder material branch delivery pipe
Valve, second pipe valve and third pipeline valve, the second pipe valve are triple valve;One of outlet through the triple valve,
Powder material sample collected guides a sample collection device into.
Powder material branch as the further improvement of the technical program, between the first pipe valve and second pipe valve
On the pipeline of delivery pipe, it is provided with a vibration generator.
As the preferred embodiment of the utility model, the top and bottom of the vertical section respectively through connecting flange on one and
Lower connecting flange is connected with the main paragraph of the main body pipeline of the powder material delivery pipe or vertical pipeline.
Also as the further improvement of the technical program, one of outlet of the triple valve by the road with it is described
Sample collection device is connected.
As the further improvement of the technical program, the sample collection device includes at least a sample holding vessel and one
Apparatus capable of fluctuating.
Also as the preferred embodiment of the utility model, along powder material conveying direction, before and after the second pipe valve
It at least respectively include one section of pipeline being obliquely installed on the powder material branch delivery pipe pipeline.
By adopting the above technical scheme can on-line sampling powder material conveying device, have the following beneficial effects:
(1), compared with conventional powder material reception device, device provided by the utility model has conveyed material
Real-time online sampled functions, and can really reflect quality of material situation in tank car, be able to solve sampling safety, convenience,
The problem of alternative etc..
(2), and using closing tank car transportation system (patent No. 200920207849.0) phase for having on-line sampling device
Than, the utility model can quantitative collection sample, do not generate sample rejected material, without carrying out waste material cleaning, sample representativeness more fills
Point.
(3), can on-line sampling powder material reception device device structure composition it is simple, operate with simplicity, work effect
Rate is high.
Detailed description of the invention
Fig. 1 is existing quick lime transportation system structural schematic diagram;
Fig. 2 be the utility model can on-line sampling powder pipeline transporter structural schematic diagram;
In figure:
21 --- powder material delivery pipe (enters slot);22 --- attract tank car and conveying interface tube;23 --- attract tank car;
24 --- screw valve;25 --- attract tank car charging door;26 --- compressed air helps blowpipe;27 --- gas source;
1 --- powder material delivery pipe (enters slot);2 --- conveying interface tube;3 --- attract tank car;4 --- compressed air
Help blowpipe;5 --- rotation shield valve;6 --- gas source;7 --- lower flange;8 --- bypass lower part inclined tube;9 --- lower part is to folder ball valve;
10 --- T-type is to folder three-way ball valve;11 --- bypass top inclined tube;12 --- vibrator;13 --- top is to folder ball valve;
14 --- sample divider;15 --- upper flange;16 --- bag filter;17 --- safety valve;18 --- breather valve;
19 --- feed bin;20 --- gate valve.
Specific embodiment
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
The utility model provide it is a kind of can on-line sampling powder material conveying device, the present apparatus is from tank car feeding interface
Start until being discharged into feed bin, (attracts the soft of tank car containing elbow, pipe clamp, bracket, connection including but not limited to Pneumatic conveying pipeline
The attachmentes such as pipe and connector);Bypass lower part and top inclined tube, valve group, vibrator, sample divider;Communicating pipe at the top of filler bin
And stop valve;Bag filter (containing exhaust pipe and support), negative-pressure air fan;Vacuum release valve (safety valve, breather valve) etc..
As shown in Fig. 2, the connection relationship of the present apparatus is: the horizontal segment feed end of powder material delivery pipe 1 is connected to attraction tank
Vehicle 3 and conveying interface tube 2 help blowpipe 4 when attracting tank car 3 to connect compressed air, and when being connected to through overwinding shield valve 5 with gas source 6, powder
Body material is admitted to feed bin 19 by powder material delivery pipe 1.The vertical section setting lower flange 7 and upper of powder material delivery pipe 1
Flange 15, be equipped between two flanges in material transportation process can on-line sampling device, the device is by main pipeline and side
Road system composition, main pipeline is a part of powder material delivery pipe 1.Bypass lower part inclined tube 8 is connected to main pipeline 1, is equipped with lower part
To folder ball valve 9;Bypass top inclined tube 11 is connected to main pipeline 1, is equipped with vibrator 12 and top to folder ball valve 13.Bypass lower part inclined tube
8 are connected respectively to T-type with the other end for bypassing top inclined tube 11 to a mouth of folder three-way ball valve 10 and b mouthfuls, and T-type is to folder three-way ball
The c mouth of valve 10 is connected to sample divider 14 (inside having sample jar and jacking apparatus).Feed bin 19 is enclosed type, and top is equipped with cloth bag
Deduster 16, safety valve 17 and breather valve 18 etc., lower part connect feeding device by gate valve 20.
Its working principles are as follows:
The attraction tank car of loading powder material is defeated by powder material by Pneumatic conveying pipeline using compressed gas as power
It is fed into feed bin.To avoid material fugitive dust, balance system pressure, preventing feed bin from building the pressure, the mating setting bag filter of feed bin and
The facilities such as safety valve, breather valve.Vertical pipe section is conveyed in material, is provided with the shunting device of sampling functions.Work as bypass duct
When being in open state and stable process with main pipeline, bypass duct and the parallel conveying powdery material of main pipeline, two-way caliber, pressure
Power and the equal indifference of materials inside.The sampling apparatus for bypassing setting can intercept quantitative material by the opening and closing operations to folder ball valve,
Discharging is carried out to folder three-way ball valve through T-type and realizes powder material using the jacking reception of sample divider and exhaust pressure relief
Sample acquisition.Sampling apparatus, which is set, only intercepts quantitative material, does not generate excess waste, avoids rejected material and cleans, pollutes environment
The problems such as.
The utility model can on-line sampling powder material conveying device use and control process it is as follows:
When the attraction tank car of loading powder material connects Pneumatic conveying pipeline, and connect after gas source realizes normal conveying,
Online acquisition sample can be carried out during transportation, and can carry out multiple sampling operation, and interval time can sample according to single
It is time-consuming to be set and adjusted with production.The system control process of single sampling is as follows:
(1) sampling prepares:
Lower part is in opening state to folder ball valve 13 to folder ball valve 9 and top;A mouth, b of the T-type to folder three-way ball valve 10
Mouth is in the open state, and c mouthfuls are in close state;The sample ullage of sample divider 14, and be disengaged condition;At vibrator 12
In halted state.At this point, system also has bypass duct cleaning function, avoids system buildup and sample as material is conveying
Mixing contamination.
(2) sample collection:
Receive sampling instruction (automatic or manual) when, successively close lower part to folder ball valve 9 and top to folder ball valve 10, two
A intercepted material of ball valve is sample.Start vibrator 12, and continuous shaking about 20s (time is adjustable).Start sample collection
Device 14, sample jar jacking prepare to receive sample.T-type to folder three-way ball valve 10 a mouth, b mouthfuls it is in the open state under the premise of,
C mouthfuls are opened again, and material enters the sample jar of sample divider 14.
(3) sampling terminates:
When receiving END instruction (automatic or manual), stop vibrator 12, T-type to folder three-way ball valve 10 a mouth, b mouthfuls
It is kept open, closes c mouthfuls, then successively open top to folder ball valve 10 and lower part to folder ball valve 9.Stop sample divider
14, exhaust pressure relief, sample jar disengages, and tank is full then to take out sample, less than, is prepared to enter into sampling flowsheet again.Primary sampling terminates,
State when device restores to sampling to prepare.
(4) collection batch sampling:
It completes as needed primary or after sampling for several times, starts sample collection device, sample collection tank is disengaged, is sealed
Dress, takes out all powder samples.
When carrying the attraction tank car of powder material and normally conveying material by Pneumatic conveying pipeline and enter feed bin, when with sampling
When the shunting device of function and supervisor are in open state and stable process, bypass and the parallel conveying powdery material of supervisor.Bypass
The sampling apparatus of setting can intercept quantitative material by the orderly opening and closing operations to folder ball valve, by T-type to folder three-way ball valve discharging,
Using the jacking reception of sample collection device and exhaust pressure relief, the sample acquisition of powder material is realized.
After the present apparatus tries out the quick lime sample acquisition of Mr. Yu's sintering process.Quick lime material object is effectively improved to sintering process
Quality stabilizes and increases Sintering Operation Index and plays supporting role.
Claims (6)
1. one kind can on-line sampling powder material conveying device, the attraction tank car including being mounted with powder material, the attraction
Tank car is connected through powder material delivery pipe with feed bin, and the powder material delivery pipe includes at least one section of vertical section, and feature exists
In in vertical section one section of powder material branch delivery pipe of extraction of the powder material delivery pipe, the powder material branch is defeated
Send pipe in parallel with the vertical section;First pipe is from top to bottom disposed on the pipeline of the powder material branch delivery pipe
Valve, second pipe valve and third pipeline valve, the second pipe valve are triple valve;One of outlet through the triple valve,
Powder material sample collected guides a sample collection device into.
2. according to claim 1 can on-line sampling powder material conveying device, which is characterized in that the first pipe valve
On the pipeline of powder material branch delivery pipe between second pipe valve, it is provided with a vibration generator.
3. according to claim 1 can on-line sampling powder material conveying device, which is characterized in that the vertical section it is upper
The main body pipeline or vertical pipe of end and lower end respectively through connecting flange and lower connecting flange and the powder material delivery pipe on one
The main paragraph on road is connected.
4. according to claim 1 can on-line sampling powder material conveying device, which is characterized in that the institute of the triple valve
One of outlet is stated to be connected with the sample collection device by the road.
5. according to claim 1 or described in 4 can on-line sampling powder material conveying device, which is characterized in that the sample is received
Acquisition means include at least a sample holding vessel and an apparatus capable of fluctuating.
6. according to claim 1 can on-line sampling powder material conveying device, which is characterized in that along powder material convey
Direction on the powder material branch delivery pipe pipeline before and after the second pipe valve, at least respectively includes one section and is obliquely installed
Pipeline.
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CN201821605759.2U CN209143200U (en) | 2018-09-29 | 2018-09-29 | It is a kind of can on-line sampling powder material conveying device |
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CN201821605759.2U CN209143200U (en) | 2018-09-29 | 2018-09-29 | It is a kind of can on-line sampling powder material conveying device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114890175A (en) * | 2022-03-21 | 2022-08-12 | 首钢京唐钢铁联合有限责任公司 | Powder warehousing system |
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2018
- 2018-09-29 CN CN201821605759.2U patent/CN209143200U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114890175A (en) * | 2022-03-21 | 2022-08-12 | 首钢京唐钢铁联合有限责任公司 | Powder warehousing system |
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