CN206367865U - A kind of continuous blowing process device of pot-string type based on frequency conversion constant volume dispenser - Google Patents
A kind of continuous blowing process device of pot-string type based on frequency conversion constant volume dispenser Download PDFInfo
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- CN206367865U CN206367865U CN201720010134.0U CN201720010134U CN206367865U CN 206367865 U CN206367865 U CN 206367865U CN 201720010134 U CN201720010134 U CN 201720010134U CN 206367865 U CN206367865 U CN 206367865U
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- pans
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- constant volume
- frequency conversion
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Abstract
The utility model discloses a kind of continuous blowing process device of the pot-string type based on frequency conversion constant volume dispenser, including storage warehouse, pans and work tank, storage bin discharge port external is connected by pans dome valve with pans charging aperture, pans fluidize mouth and are connected with pans fluidisation pipeline, pans pressurising mouthful is connected with pans pressurising pipeline, pans relief port is connected with pans pressure relief pipeline, pans discharging opening is connected by work tank dome valve with work tank charging aperture, work tank pressurising fluidizes mouth and is connected with work tank pressurising fluidisation pipeline, work tank relief port is connected with work tank pressure relief pipeline, work tank discharging opening is connected with the feed end of frequency conversion constant volume dispenser, frequency conversion constant volume dispenser inlet end is connected with injection air pipe, frequency conversion constant volume dispenser discharging opening is connected with defeated coal house steward, conveying air pipe is connected by air compensation device with defeated coal house steward.The problem of the utility model solves the construction of pot-string type blowing process device and high use cost.
Description
Technical field
The utility model is related to a kind of continuous blowing process device of the pot-string type based on frequency conversion constant volume dispenser.
Background technology
At this stage, breeze blowing process tank group is disposed with serial type injection mode (pot-string type) and and tank injection method (and tank
Formula) two ways.And pot type arrangement flow is simple, easily, but during tank switching, coal dust is unable to seamless connection company to coal powder metering
Continuous injection, and floor space is big, influences application；Pot-string type arrangement can be continuously blown, and injection amount is stable, and factory building takes up an area face
Product is small, but the metering method generally used：Electrical compensation method and mechanical compensation method, complicated, electric capital intensive, use dimension
Shield inconvenience.
The content of the invention
Goal of the invention：The purpose of the present invention is to propose to a kind of continuous blowing process of pot-string type based on frequency conversion constant volume dispenser
Device, simplifies pot-string type technique metering device, and reduction is built and use cost.
To achieve these goals, the utility model employs following technical scheme：One kind is based on frequency conversion constant volume feed
The continuous blowing process device of pot-string type of device, including storage warehouse, pans and work tank, in addition to pans dome valve, centre
The high charge level stuff level switch of tank pressure relief pipeline, pans, the low charge level stuff level switch of pans, work tank pressure relief pipeline, work tank claim
Refitting put, frequency conversion constant volume dispenser, air compensation device, defeated coal house steward, conveying air pipe, injection air pipe, work tank pressurising fluidisation pipe
Road, work tank dome valve, pans fluidisation pipeline and pans pressurising pipeline；
The discharging opening of storage warehouse is connected with the upper end of pans dome valve, charging aperture and the pans dome valve of pans
Lower end is connected, and the fluidisation mouthful of pans is connected with pans fluidisation pipeline, pressurising mouthful and the pans pressurising pipeline phase of pans
Even, the relief port of pans is connected with pans pressure relief pipeline, and the discharging opening of pans is connected with the upper end of work tank dome valve,
The charging aperture of work tank is connected with the lower end of work tank dome valve, and pressurising fluidisation mouth and the work tank pressurising of work tank fluidize pipeline
It is connected, the relief port of work tank is connected with work tank pressure relief pipeline, the discharging opening of work tank and the charging of frequency conversion constant volume dispenser
End is connected, and the inlet end of frequency conversion constant volume dispenser is connected with injection air pipe, and the discharging opening and defeated coal of frequency conversion constant volume dispenser are total
Pipe is connected, and conveying air pipe is connected by air compensation device with defeated coal house steward；
The bearing of the work tank is connected with work tank weighing device, and the can body top of pans is provided with the high charge level of pans
Stuff level switch, the can body bottom of pans is provided with the low charge level stuff level switch of pans.
Further, the injection air pipe, work tank pressurising fluidisation pipeline, pans fluidisation pipeline and pans fill
Pressure pipe Lu Junyu nitrogen header pipes are connected.
Further, the work tank pressure relief pipeline and pans pressure relief pipeline are connected with storage warehouse.
Further, the defeated coal house steward is also connected with cleaning back powder pipeline, cleans back powder pipeline and is connected with storage warehouse.
Further, the upper end of the pans dome valve is also connected with diffusing pipeline.
Beneficial effect：1) the utility model collects storage coal dust, the coal dust dress of storage warehouse by silo roof cloth bag and storage warehouse
Enter pans, coal dust is loaded into work tank through tank switching operation, frequency conversion constant volume dispenser is accurate, equably by the coal dust in work tank
Defeated coal house steward is sent into, destination is arrived in injection.The present invention using be fed output quantity and the one-to-one frequency conversion constant volume of incoming frequency to
Glassware reaches that feed is uniform and stable, the purpose of injection amount accurate adjustment output, and weighing for work tank can demarcate and check this
Corresponding relation is planted, the application of pot-string type process unit is extended, pot-string type blowing process device is solved and builds with using
With high costs the problem of；2) the utility model can be not only used on pulverized coal injection in blast furnace, can also be continuous, smart in other needs
Really the industry field of conveying injection granular material is promoted.
Brief description of the drawings
Fig. 1 is the structural representation of the continuous blowing process device of the utility model pot-string type.
In figure：1- diffuses pipeline, and 2- pans dome valves, 3- pans pressure relief pipelines, the high charge level material position of 4- pans is opened
Close, the low charge level stuff level switch of 5- pans, 6- work tank pressure relief pipelines, 7- work tanks, 8- work tank weighing devices, 9- frequency conversions are determined
Hold dispenser, 10- cleans back powder pipeline, and 11- air compensation devices, the defeated coal house stewards of 12-, 13- conveying air pipes, 14- is blown air pipe,
The pressurising of 15- work tanks fluidizes pipeline, and 16- work tank dome valves, 17- pans fluidisation pipeline, 18- pans, 19- pans fill
Pressure pipe road, 20- nitrogen header pipes, 21- storage warehouses.
Embodiment：
The utility model is done below in conjunction with the accompanying drawings and further explained.
As shown in figure 1, the continuous blowing process device of a kind of pot-string type based on frequency conversion constant volume dispenser of the present utility model,
Including storage warehouse 21, pans 18 and work tank 7, in addition to pans dome valve 2, pans pressure relief pipeline 3, pans height material
The low charge level stuff level switch 5 of fabric bit switch 4, pans, work tank pressure relief pipeline 6, work tank weighing device 8, frequency conversion constant volume are given
Glassware 9, air compensation device 11, defeated coal house steward 12, conveying air pipe 13, injection air pipe 14, work tank pressurising fluidisation pipeline 15, work
Tank dome valve 16, pans fluidisation pipeline 17 and pans pressurising pipeline 19.
The discharging opening of storage warehouse 21 is connected with the upper end of pans dome valve 2, and charging aperture and the pans of pans 18 are justified
The lower end of overhead-valve 2 is connected, and fluidisation mouthful and pans the fluidisation pipeline 17 of pans 18 are connected, pressurising mouthful and the centre of pans 18
Tank pressurising pipeline 19 is connected, and the relief port of pans 18 is connected with pans pressure relief pipeline 3, the discharging opening of pans 18 and work
The upper end connection of tank dome valve 16, the charging aperture of work tank 7 is connected with the lower end of work tank dome valve 16, the pressurising of work tank 7
Fluidisation mouth is connected with work tank pressurising fluidisation pipeline 15, and the relief port of work tank 7 is connected with work tank pressure relief pipeline 6, work tank 7
Discharging opening be connected with the feed end of frequency conversion constant volume dispenser 9, the inlet end of frequency conversion constant volume dispenser 9 and the injection phase of air pipe 14
Even, the discharging opening of frequency conversion constant volume dispenser 9 is connected with defeated coal house steward 12, and conveying air pipe 13 passes through air compensation device 11 and defeated coal house steward
12 are connected.
In the present embodiment, it is described injection air pipe 14, work tank pressurising fluidisation pipeline 15, pans fluidisation pipeline 17 and
Pans pressurising pipeline 19 is connected with nitrogen header pipe 20.The work tank pressure relief pipeline 6 and pans pressure relief pipeline 3 and storage
Storehouse 21 is connected.The defeated coal house steward 12 is also connected with cleaning back powder pipeline 10, cleans back powder pipeline 10 and is connected with storage warehouse 21.Institute
The upper end for stating pans dome valve 2 is also connected with diffusing pipeline 1.
The bearing of the work tank 7 is connected with work tank weighing device 8, and the can body top of pans 18 is high provided with pans
Charge level stuff level switch 4, the can body bottom of pans 18 is provided with the low charge level stuff level switch 5 of pans.
In addition, other affiliated facilities being connected with storage warehouse have storage warehouse fluidize pipeline, nitrogen charging fire-fighting pipeline, explosion-proof valve,
Silo roof cloth bag collection machine, is that common technology is equipped with, here is omitted.
The operation principle of this process unit is：
The coal dust (or granular material) that conveying comes, which is first collected, to be stored in storage warehouse 21, and pans 18 are in atmospheric pressure state,
The low charge level stuff level switch 5 of pans sends coal dust free in signal, display pans 18, opens pans dome valve 2 and starts to fill powder,
Continue to that high charge level stuff level switch 4 sends signal, now show that pans 18 have been filled with coal dust, close pans dome valve 2, beat
Open separate tube road 1 is simultaneously waited, when the weight reduction of work tank 7 is to setting value, is started tank switching dress powder, is opened pans pressurising pipe
Road 19, the pressurising of pans 18, and when consistent with the tank of work tank 7 pressure, the coal dust opened in work tank dome valve 16, pans 18 exists
Under the fluidization of pans fluidisation pipeline 17, fall into work tank 7, when the low charge level stuff level switch 5 of pans sends signal,
Coal dust in pans 18 has been fully enclosed work tank 7, closes work tank dome valve 16, and tank switching dress powder process terminates.Pans
18 open the release of pans pressure relief pipeline 3, perform the canned powder operation in centre of this section of beginning, wait next tank switching dress powder
Cycle.
During system fills powder, tank switching, persistently work tank 7 is fallen into frequency conversion constant volume dispenser 9 conveys impeller to injection gas
Interior coal dust is blown into defeated coal house steward 12, and coal dust is delivered to destination by conveying air pipe 13 by air compensation device 11.The utility model is adopted
The rotating speed and motor incoming frequency of frequency conversion constant volume dispenser 9 are into positive correlation and one-to-one relation, when stabilization of speed,
The output feed continuous uniform of frequency conversion constant volume dispenser 9, the i.e. output of frequency conversion constant volume dispenser 9 feeding coal and motor incoming frequency also into
Positive correlation and one-to-one relation, the frequency conversion constant volume dispenser 9 of every kind of specification have a motor incoming frequency one export to
The relation curve and output factor of doses are corresponding, before the formal production of whole set process system input, can use and demarcate work
Make the weighing device 8 of tank, the relation curve of motor incoming frequency-output feeding coal of frequency conversion constant volume dispenser 9 is checked
And correct output factor, you can to ensure the accurate output coal dust amount on request of frequency conversion constant volume dispenser 9.This feed-type is different
The way of output, and then the influence very little of compression fluctuation are pressed in traditional tank, during system fills powder, tank switching, injection conveying
Amount is also uniform and stable.By the frequency control of the co-ordination of pans 18 and work tank 7, and constant volume batcher 9, realize to
Material is uniform and stable, the purpose of injection amount accurate adjustment output, it is adaptable to which breeze blowing continuous-stable, injection amount degree of regulation are wanted
Seek high occasion.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (5)
1. a kind of continuous blowing process device of pot-string type based on frequency conversion constant volume dispenser, including storage warehouse (21), pans
And work tank (7) (18), it is characterised in that：Also include pans dome valve (2), pans pressure relief pipeline (3), pans height material
The low charge level stuff level switch (5) of fabric bit switch (4), pans, work tank pressure relief pipeline (6), work tank weighing device (8), change
Frequency constant volume dispenser (9), air compensation device (11), defeated coal house steward (12), conveying air pipe (13), injection air pipe (14), work tank
Pressurising fluidisation pipeline (15), work tank dome valve (16), pans fluidisation pipeline (17) and pans pressurising pipeline (19)；
The discharging opening of storage warehouse (21) is connected with the upper end of pans dome valve (2), the charging aperture and pans of pans (18)
The lower end connection of dome valve (2), the fluidisation of pans (18) mouthful fluidizes pipeline (17) with pans and is connected, and pans (18) are filled
Pressure mouth is connected with pans pressurising pipeline (19), and the relief port of pans (18) is connected with pans pressure relief pipeline (3), pans
(18) discharging opening is connected with the upper end of work tank dome valve (16), charging aperture and the work tank dome valve (16) of work tank (7)
Lower end connection, pressurising fluidisation mouth and the work tank pressurising of work tank (7) fluidize pipeline (15) and be connected, the release of work tank (7)
Mouth is connected with work tank pressure relief pipeline (6), and the discharging opening of work tank (7) is connected with the feed end of frequency conversion constant volume dispenser (9), becomes
The inlet end of frequency constant volume dispenser (9) is connected with injection air pipe (14), and the discharging opening and defeated coal of frequency conversion constant volume dispenser (9) are total
Manage (12) to be connected, conveying air pipe (13) is connected by air compensation device (11) with defeated coal house steward (12)；
The bearing of the work tank (7) is connected with work tank weighing device (8), and the can body top of pans (18) is provided with pans
High charge level stuff level switch (4), the can body bottom of pans (18) is provided with the low charge level stuff level switch (5) of pans.
2. the continuous blowing process device of a kind of pot-string type based on frequency conversion constant volume dispenser according to claim 1, it is special
Levy and be：The injection air pipe (14), work tank pressurising fluidisation pipeline (15), pans fluidisation pipeline (17) and pans
Pressurising pipeline (19) is connected with nitrogen header pipe (20).
3. the continuous blowing process device of a kind of pot-string type based on frequency conversion constant volume dispenser according to claim 1, it is special
Levy and be：The work tank pressure relief pipeline (6) and pans pressure relief pipeline (3) are connected with storage warehouse (21).
4. the continuous blowing process device of a kind of pot-string type based on frequency conversion constant volume dispenser according to claim 1, it is special
Levy and be：The defeated coal house steward (12) is also connected with cleaning back powder pipeline (10), cleans back powder pipeline (10) and storage warehouse (21)
It is connected.
5. the continuous blowing process device of a kind of pot-string type based on frequency conversion constant volume dispenser according to claim 1, it is special
Levy and be：The upper end of the pans dome valve (2) is also connected with diffusing pipeline (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720010134.0U CN206367865U (en) | 2017-01-05 | 2017-01-05 | A kind of continuous blowing process device of pot-string type based on frequency conversion constant volume dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720010134.0U CN206367865U (en) | 2017-01-05 | 2017-01-05 | A kind of continuous blowing process device of pot-string type based on frequency conversion constant volume dispenser |
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| Publication Number | Publication Date |
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| CN206367865U true CN206367865U (en) | 2017-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720010134.0U Active CN206367865U (en) | 2017-01-05 | 2017-01-05 | A kind of continuous blowing process device of pot-string type based on frequency conversion constant volume dispenser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111500805A (en) * | 2020-05-09 | 2020-08-07 | 中冶华天工程技术有限公司 | Novel coal injection tank for blast furnace |
-
2017
- 2017-01-05 CN CN201720010134.0U patent/CN206367865U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111500805A (en) * | 2020-05-09 | 2020-08-07 | 中冶华天工程技术有限公司 | Novel coal injection tank for blast furnace |
| CN111500805B (en) * | 2020-05-09 | 2021-11-19 | 中冶华天工程技术有限公司 | Blast furnace coal injection tank |
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