CN205771999U - The row pressure of a kind of blast furnace gas gas ash pneumatic transporting ash silo pump and pressure-equalizing device - Google Patents
The row pressure of a kind of blast furnace gas gas ash pneumatic transporting ash silo pump and pressure-equalizing device Download PDFInfo
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- CN205771999U CN205771999U CN201620724931.0U CN201620724931U CN205771999U CN 205771999 U CN205771999 U CN 205771999U CN 201620724931 U CN201620724931 U CN 201620724931U CN 205771999 U CN205771999 U CN 205771999U
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Abstract
The row pressure of this utility model a kind of blast furnace gas gas ash pneumatic transporting ash silo pump and pressure-equalizing device, belong to ironmaking technology field.Purpose is to provide a kind of row pressure pressure-equalizing device making gas ash can the most at the uniform velocity enter the blast furnace gas gas ash defeated ash silo pump in pneumatic transporting ash silo pump.Including balance pipe, discharge pressure pipe and the conduit connected with defeated ash silo pump；Conduit is provided with the first control valve controlling conduit conducting；Balance pipe one end connects with conduit, and the other end is inlet port；Balance pipe is provided with equalizing valve group；Discharge pressure pipe one end connects with conduit, the other end and atmosphere, is provided with purge valve group on discharge pressure pipe.The row pressure of this kind of blast furnace gas gas ash pneumatic transporting ash silo pump and pressure-equalizing device, effectively prevent gas ash ash-valve group bottom blast furnace gas dry dust removal device and storehouse pump are entered the high speed with pressure of ash valve to wash away, it is to avoid gas ash and coal gas leak in a large number and also prevent the phenomenon of gas hawk knot blocking in discharge pressure pipe simultaneously.
Description
Technical field
This utility model belongs to ironmaking technology field, the row of a kind of blast furnace gas gas ash pneumatic transporting ash silo pump
Pressure and pressure-equalizing device.
Background technology
Along with the popularization and application on the big-and-middle-sized blast furnace of blast furnace gas fully-dried type dedusting technology, especially malleation concentrated phase
Silo pump type Pneumatic ash conveying technology carries technologic application in blast furnace gas gas ash, at transfer efficiency, energy resource consumption and ring
The aspects such as border protection, show the conventionally employed unrivaled superiority of mechanical ash conveying mode.
The malleation concentrated phase silo pump type pneumatic ash transmitting system of current domestic steel industry as it is shown in figure 1, include defeated ash silo pump 7,
The top of defeated ash silo pump 7 is connected with the bottom of blast furnace gas dry dust removal device, and defeated ash silo pump 7 and blast furnace gas dry dust removal
Device is connected, and is provided with on the top of defeated ash silo pump 7 into ash valve 100, is provided with ash-valve in the bottom of blast furnace gas corpse cleaner unit
Group, is provided with ash output valve 110 on the top of defeated ash silo pump 7；Also include Fluidizer 400 and nitrogen pipeline, nitrogen pipeline and Fluidizer
400 are connected, and Fluidizer 400 is connected with defeated ash silo pump 7, is provided with control valve group 410 on nitrogen pipeline, at defeated ash silo pump 7
On be additionally provided with the relief pipeline 430 of the defeated ash silo pump of connection 7 and atmosphere, relief pipeline 430 is provided with relief valve 420.Profit
The Pneumatic ash conveying technological process carrying out defeated ash by this system is: close the ash output valve 110 of defeated ash silo pump 7 → open relief valve 420
Airborne release → open is made into ash-valve group or the middle ash silo → gas ash of ash valve 100 → open dry collector at gravity
With falling in defeated ash silo pump 7, after upper Charge level measurer 300 detects that material position reaches high limit or enters the ash arrival setting time,
That closes defeated ash silo pump 7 enters ash valve 100 and relief valve 420, then starts Fluidizer 400, and it is defeated that defeated ash silo pump 7 enters pressurization fluidisation
The ash stage, and detect the pressure in defeated ash silo pump 7 by pressure detector 200.
Owing to this ash discharge technique is ash discharge with pressure, during dry collector ash discharge to defeated ash silo pump 7, defeated ash silo
Pressure in pump 7 is almost nil, and the ash flow velocity that falls of a large amount of gas ash is very fast, fluid state disorder, through fortune after a while
OK, occur that the coal gas of blast furnace gas dry dust removal device bottom ash-valve group seals the sealing surface fouling of valve seriously, poorly sealed；Row
Ash valve group ash discharge end blade and rotating shaft are washed serious wear, even rotating shaft sealing filler or pipeline are punched through, cause gas ash
Flying away the most in a large number, environmental pollution is serious；Defeated ash silo pump 7 enter ash valve 100 valve core sealed cover folder ash stuck cannot action；
And in relief pipeline 430, gas hawk knot blocks the problems such as serious, constrains pneumatic ash transmitting system and blast furnace gas dry type is removed
The safety of dirt system and properly functioning, even makes blast furnace be forced damping down and coordinates overhaul plan.
Utility model content
Technical problem to be solved in the utility model is to provide the row of a kind of blast furnace gas gas ash pneumatic transporting ash silo pump
Pressure and pressure-equalizing device, make gas ash can the most at the uniform velocity enter in pneumatic transporting ash silo pump.
The technical solution adopted in the utility model is: the row pressure of a kind of blast furnace gas gas ash pneumatic transporting ash silo pump and all pressing
Device, including balance pipe, discharge pressure pipe and the conduit connected with defeated ash silo pump；Described conduit is provided with and controls conduit conducting
First control valve；Described balance pipe one end connects with conduit, and the other end is inlet port；Balance pipe is provided with equalizing valve group；
Defeated ash silo pump is provided with the pressure detector detecting defeated ash silo pump pressure；Described discharge pressure pipe one end connects with conduit, another
End and atmosphere, be provided with purge valve group on discharge pressure pipe.
Further, including sack cleaner, described sack cleaner one end is connected with defeated ash silo pump, the other end and conduit
Connect, and sack cleaner is all connected with defeated ash silo pump and conduit.
Further, described equalizing valve group includes voltage equalizing ball valve and equal pressure cutoff valve.
Further, described purge valve group includes row pressure ball valve.
Further, described first control valve is ball valve.
The beneficial effects of the utility model are: the row pressure of this kind of blast furnace gas gas ash pneumatic transporting ash silo pump and all press-fiting
Putting, during defeated ash, owing to defeated ash silo pump external and internal pressure is equal, therefore, gas ash can the most at the uniform velocity enter defeated ash silo pump
In, effectively prevent gas ash and ash-valve group bottom blast furnace gas dry dust removal device and storehouse pump are entered the high-speed punching with pressure of ash valve
Brush, it is to avoid gas ash and coal gas leak in a large number and also prevent the phenomenon of gas hawk knot blocking in discharge pressure pipe simultaneously.
Accompanying drawing explanation
Fig. 1 is existing malleation concentrated phase silo pump type pneumatic ash transmitting system structural representation；
Fig. 2 is this utility model structural representation.
In figure, balance pipe 1, discharge pressure pipe 2, conduit the 3, first control valve 4, voltage equalizing ball valve 51, equal pressure cutoff valve 52, row pressure ball
Valve 53, sack cleaner 6, defeated ash silo pump 7.Enter ash valve 100, ash output valve 110, pressure detector 200, upper Charge level measurer 300,
Fluidizer 400, control valve group 410, relief valve 420, relief pipeline 430.
Detailed description of the invention
This utility model is described further as follows with embodiment below in conjunction with the accompanying drawings:
The row pressure of a kind of blast furnace gas gas ash pneumatic transporting ash silo pump and pressure-equalizing device, as in figure 2 it is shown, include balance pipe 1,
Discharge pressure pipe 2 and the conduit 3 connected with defeated ash silo pump 7；Described conduit 3 is provided with the first control valve controlling conduit 3 conducting
4；Described balance pipe 1 one end connects with conduit 3, and the other end is inlet port；Balance pipe 1 is provided with equalizing valve group；At defeated ash
The pressure detector 200 detecting defeated ash silo pump 7 pressure is installed on storehouse pump 7；Described discharge pressure pipe 2 one end connects with conduit 3, another
End and atmosphere, be provided with purge valve group on discharge pressure pipe 2.
The row pressure of this kind of blast furnace gas gas ash pneumatic transporting ash silo pump and pressure-equalizing device, connect self-drying type by balance pipe 1
House outlet purified gas is responsible for, and makes the gas ash in dry collector can be entered defeated ash silo pump 7, equalizing valve group by balance pipe 1
Then for the grey distribution channel at balance pipe 1 of control gas；Discharge pressure pipe 2 is incorporated into high-altitude, and sets by purge valve group control row
The current path of pressure pipe 2；Balance pipe 1 and discharge pressure pipe 2 converge into a pipeline, i.e. conduit 3, by conduit 3 with defeated ash silo pump 7 even
Logical, and on conduit 3, it is provided with the first control valve controlling conduit 3 conducting.During work, first, open the first control valve and all press
Valve group is to the pressurising of defeated ash silo pump 7, equal with pressure in dry collector to defeated ash silo pump 7 pressure；Then, enter to defeated ash silo pump 7
Ash；Enter ash complete, stop simultaneously closing off equalizing valve group into ash, open purge valve group, the coal gas will come in ash in defeated ash silo pump 7
Carry out high-altitude to diffuse；After pressure is equal with atmospheric pressure in defeated ash silo pump 7, closes purge valve group, thus complete all to press work.
The row pressure of this kind of blast furnace gas gas ash pneumatic transporting ash silo pump and pressure-equalizing device, during defeated ash, due to defeated
Ash silo pump 7 external and internal pressure is equal, and therefore, gas ash can the most at the uniform velocity enter in defeated ash silo pump 7, effectively prevent gas ash pair
Bottom blast furnace gas dry dust removal device, ash-valve group and storehouse pump enter the high speed with pressure of ash valve and wash away, it is to avoid gas ash and coal gas are big
Amount leaks and also prevent the phenomenon of gas hawk knot blocking in discharge pressure pipe 2 simultaneously.
In order to avoid containing the coal gas directly outer row of a large amount of dust during row pressure, the phenomenon to environment, preferably
, including sack cleaner 6, described sack cleaner 6 one end is connected with defeated ash silo pump 7, and the other end is connected with conduit 3, and cloth
Bag dust collector 6 is all connected with defeated ash silo pump 7 and conduit 3.The coal gas entered with gas ash in defeated ash silo pump 7 removes through cloth bag
Carry out high-altitude after dirt device 6 udst separation to diffuse, eliminate the dust in coal gas, play the effect of protection environment.
Described equalizing valve group can include gate valve and ball valve, it is preferred that described equalizing valve group includes that voltage equalizing ball valve 51 is with equal
Pressure cutoff valve 52.Stop valve is compared with gate valve, and its structure is simpler, is more suitable for less circulation passage.
Described equalizing valve group can include ball valve, it is also possible to includes gate valve, it is also possible to include stop valve etc., it is preferred that institute
State purge valve group and include row pressure ball valve 53.Ball valve compared with stop valve and gate valve, its more compact structure, it is easier to operate and tie up
Repair.
Described first control valve 4 can be ball valve, it is also possible to for gate valve or stop valve etc., but, for the ease of operation and
Maintenance, it is preferred that described first control valve is ball valve.
Claims (5)
1. the row pressure of a blast furnace gas gas ash pneumatic transporting ash silo pump and pressure-equalizing device, it is characterised in that: include balance pipe
(1), discharge pressure pipe (2) and the conduit (3) that connects with defeated ash silo pump (7)；Described conduit (3) is provided with control conduit (3) lead
Logical the first control valve (4)；Described balance pipe (1) one end connects with conduit (3), and the other end is inlet port；In balance pipe (1)
It is provided with equalizing valve group；Defeated ash silo pump (7) is provided with the pressure detector (200) detecting defeated ash silo pump (7) pressure；Described
Discharge pressure pipe (2) one end connects with conduit (3), the other end and atmosphere, is provided with purge valve group on discharge pressure pipe (2).
The row pressure of a kind of blast furnace gas gas ash pneumatic transporting ash silo pump the most as claimed in claim 1 and pressure-equalizing device, its feature
It is: include that sack cleaner (6), described sack cleaner (6) one end are connected with defeated ash silo pump (7), the other end and conduit (3)
Connect, and sack cleaner (6) is all connected with defeated ash silo pump (7) and conduit (3).
The row pressure of a kind of blast furnace gas gas ash pneumatic transporting ash silo pump the most as claimed in claim 1 or 2 and pressure-equalizing device, it is special
Levy and be: described equalizing valve group includes voltage equalizing ball valve (51) and equal pressure cutoff valve (52).
The row pressure of a kind of blast furnace gas gas ash pneumatic transporting ash silo pump the most as claimed in claim 3 and pressure-equalizing device, its feature
It is: described purge valve group includes row pressure ball valve (53).
The row pressure of a kind of blast furnace gas gas ash pneumatic transporting ash silo pump the most as claimed in claim 1 or 2 and pressure-equalizing device, it is special
Levy and be: described first control valve (4) is ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620724931.0U CN205771999U (en) | 2016-07-11 | 2016-07-11 | The row pressure of a kind of blast furnace gas gas ash pneumatic transporting ash silo pump and pressure-equalizing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620724931.0U CN205771999U (en) | 2016-07-11 | 2016-07-11 | The row pressure of a kind of blast furnace gas gas ash pneumatic transporting ash silo pump and pressure-equalizing device |
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| CN205771999U true CN205771999U (en) | 2016-12-07 |
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| CN201620724931.0U Active CN205771999U (en) | 2016-07-11 | 2016-07-11 | The row pressure of a kind of blast furnace gas gas ash pneumatic transporting ash silo pump and pressure-equalizing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428655A (en) * | 2021-08-26 | 2021-09-24 | 江苏沃泰冶金设备有限公司 | Anti-blocking and anti-reverse-flow closed gas ash closed conveying system |
-
2016
- 2016-07-11 CN CN201620724931.0U patent/CN205771999U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428655A (en) * | 2021-08-26 | 2021-09-24 | 江苏沃泰冶金设备有限公司 | Anti-blocking and anti-reverse-flow closed gas ash closed conveying system |
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| GR01 | Patent grant |