CN206334467U - A kind of lock hopper pressure release gas purification dust removal system - Google Patents
A kind of lock hopper pressure release gas purification dust removal system Download PDFInfo
- Publication number
- CN206334467U CN206334467U CN201621384395.0U CN201621384395U CN206334467U CN 206334467 U CN206334467 U CN 206334467U CN 201621384395 U CN201621384395 U CN 201621384395U CN 206334467 U CN206334467 U CN 206334467U
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- China
- Prior art keywords
- flash vessel
- relief tube
- pressure release
- lock hopper
- sedimentation basin
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Abstract
The utility model discloses a kind of lock hopper pressure release gas purification dust removal system, including the sedimentation basin set gradually from top to bottom, the first relief tube, the first flash vessel, the second relief tube and the second flash vessel, the air inlet of first flash vessel is connected with sedimentation basin by the first relief tube, the exhaust outlet of first flash vessel is connected with the air inlet of the second flash vessel by the second relief tube, and the exhaust outlet of the second flash vessel is connected with blow-down pipe；First relief tube is connected with lock hopper by blast pipe, and relief valve is provided with blast pipe；Spray head is provided with the second relief tube, spray head is connected by shower with sedimentation basin.When carrying out pressure release using the utility model, pressure release gas comes out the dust separation in pressure release gas by dilatation, transformation flow direction, with the mode that shower water is inversely contacted inside it, and is brought to sedimentation basin precipitation, and dust separation effect is good；And solve the problem of lock hopper filter is easily broken off in original system.
Description
Technical field：
The utility model is related to a kind of purification dust removal system, more particularly to a kind of lock hopper pressure release gas purification dust removal system.
Background technology：
Coal chemical technology is extensively fluid bed transferring raw material coal or deslagging using lock hopper.Because fluid bed is press device,
In transferring raw material coal or tapping process, to realize the conveying between material high-low pressure, lock hopper needs that sluicing press operation is repeated；
, it is necessary to which feed coal to be forced into the pressure of slightly above gasification furnace by lock hopper in such as coal adding system, feed coal could be added
Enter in gasification furnace, then lock hopper is carried out could access higher level's feed coal after pressure release to normal pressure；
And for example dreg removing system, lock hopper need to be pressurized to fluid bed uniform pressure, then the gasification slag in fluid bed is in weight
Lock hopper is first discharged under power effect, finally to being discharged after lock hopper pressure release to normal pressure.
The now many techniques using filtering emptying of lock hopper decompression technique are handled, i.e., lock hopper is connected with lock hopper filter,
During pressure release, pressure release gas high point after the filtering of lock hopper filter is vented；Metal filtering core, filter core hole are used lock hopper filter element more
Gap may filter that in pressure release gas more than 95% dust in 3-5 microns, and but being below the dust of 3 micron particles still can be by
It is emitted into air, environment is polluted.
Pressure release gas complicated component is additionally, since, wherein contain water vapour and dust more, in lock hopper pressure leak process, due to
Gas drastically expands, and pressure release temperature degree can decline with the reduction of pressure, after temperature is less than the dew-point temperature of vapor, lets out
Vapor in calming the anger can be separated out, and be adsorbed on the top layer of filter core, after filter core appearance is spontaneously wet out by water, the gas permeability of filter core can be significantly
Reduction, so that filter core crosses major rupture due to stress, makes equipment failure.
Utility model content：
The purpose of this utility model is to provide a kind of high-low pressure pressure release gas to needing to be emitted into air to wash
The lock hopper pressure release gas purification dust removal system of dust removal process.
The purpose of this utility model is implemented by following technical scheme, a kind of lock hopper pressure release gas purification dust removal system, and it includes
Sedimentation basin, the first relief tube, the first flash vessel, the second relief tube and the second flash vessel set gradually from top to bottom, described
The air inlet of one flash vessel is connected with the sedimentation basin by first relief tube, the exhaust outlet of first flash vessel and institute
The air inlet for stating the second flash vessel is connected by second relief tube, and exhaust outlet and the blow-down pipe of second flash vessel connect
It is logical；
First relief tube is connected with lock hopper by blast pipe, relief valve is provided with the blast pipe, in the row
The first relief tube between tracheae and the sedimentation basin is provided with bottom blow-down valve；
Spray head is provided with second relief tube, the spray head is connected by shower with the sedimentation basin, institute
Shower is stated provided with circulating pump.
Further, first dilatation is stretched into one end of second relief tube from the exhaust outlet of first flash vessel
Inside device, the sealing of one end inside first flash vessel is stretched into provided with circular closure plate in second relief tube, it is described stifled
The external diameter with diameter greater than second relief tube of plate, the one end stretched into second relief tube inside first flash vessel
Bar shaped gas outlet is offered on tube wall.
Further, one end of the blow-down pipe is stretched into second flash vessel from the exhaust outlet of second flash vessel
Portion, the sealing of one end inside second flash vessel is stretched into provided with circular closure plate, the diameter of the closure plate in the blow-down pipe
More than the external diameter of the blow-down pipe, stretched into the blow-down pipe on one end tube wall inside second flash vessel and offer bar shaped
Gas outlet.
Advantage of the present utility model：When carrying out pressure release using the utility model, pressure release gas is inside it by dilatation, transformation
Flow direction, with the mode that shower water is inversely contacted the dust separation in pressure release gas is come out, and be brought to sedimentation basin precipitation, powder
Dirt good separating effect；And the utility model instead of the mode of original system dry method dust by the way of wet dedusting, solution
Lock hopper filter in original system of having determined is easily broken off, the problem of equipment easily fails.
Brief description of the drawings：
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model structural representation；
Fig. 2 is the first flash vessel sectional view；
Fig. 3 is the second flash vessel sectional view.
In figure：Sedimentation basin 1, the first relief tube 2, the first flash vessel 3, the second relief tube 4, the second flash vessel 5, lock
Bucket 6, blast pipe 7, relief valve 8, shower 9, circulating pump 10, closure plate 11, bar shaped gas outlet 12, bottom blow-down valve
13, blow-down pipe 14.
Embodiment：
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
In the utility model, term " connected ", " connection ", " connection " etc. broadly understood.For example, direct phase can be made
Even, it can also be indirectly connected to by intermediary or part, interface and passage.Those skilled in the art can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention, if meet device according to embodiments of the present invention all parts it
Between annexation.Term " first ", " second " are only used for the purpose of description, and it is not intended that indicating or implying and be relative
Importance or the implicit quantity for indicating indicated technical characteristic.
Embodiment 1：A kind of lock hopper pressure release gas purification dust removal system, including the sedimentation basin 1, first set gradually from top to bottom
Relief tube 2, the first flash vessel 3, the second relief tube 4 and the second flash vessel 5, air inlet and the sedimentation basin 1 of the first flash vessel 3 pass through
First relief tube 2 is connected, and the exhaust outlet of the first flash vessel 3 is connected with the air inlet of the second flash vessel 5 by the second relief tube 4,
The exhaust outlet of second flash vessel 5 is connected with blow-down pipe 14；
First relief tube 2 is connected with lock hopper 6 by blast pipe 7, on blast pipe 7 be provided with relief valve 8, blast pipe 7 with
The first relief tube 2 between sedimentation basin 1 is provided with bottom blow-down valve 13；
Spray head 9 is provided with the second relief tube 4, spray head 9 is connected by shower 9 with sedimentation basin 1, on shower 9
Provided with circulating pump 10.
In order to change the time of contact of flow direction of the pressure release gas in the first flash vessel 3, increase pressure release gas and shower water,
Optimize dust removing effects, one end of the second relief tube 4 is stretched into inside the first flash vessel 3 from the exhaust outlet of the first flash vessel 3, second
Relief tube 4 stretches into the sealing of one end inside the first flash vessel 3 and is provided with closure plate 11, closure plate 11 with diameter greater than the second relief tube 4
External diameter, stretches on one end tube wall inside the first flash vessel 3 in the second relief tube 4 and offers bar shaped gas outlet 12.
In order to change flow direction of the pressure release gas in the second flash vessel 5, prevent that a large amount of steam are carried over system, blow-down pipe
14 one end is stretched into inside the second flash vessel 5 from the exhaust outlet of the second flash vessel 5, is stretched into blow-down pipe 14 in the second flash vessel 5
One end sealing in portion is provided with closure plate 11, and the external diameter with diameter greater than blow-down pipe 14 of closure plate 11 stretches into the second dilatation in blow-down pipe 14
Bar shaped gas outlet 12 is offered on one end tube wall inside device 5, gas-liquid separation and the further purpose of purify air is realized.
First flash vessel 3 and the second flash vessel 5 are that can play pressure release gas dilatation, internal diameter more than the first relief tube 2
With the sealing container of the caliber of the second relief tube 4.
The course of work：
During blowout job, relief valve 8 is opened, starts circulating pump 10, pressure release gas passes through the relief tube 2 of blast pipe 7 and first, entered
Enter the first flash vessel 3, after the precipitation pumped out inside the first flash vessel 3 by dilatation, transformation flow direction, with circulating pump 10
After clear water counter current contacting, enter the second relief tube 4 through bar shaped gas outlet 12, then into the second flash vessel 5, by blow-down pipe 14
High point emptying is emitted into air；
After blowout job terminates, bottom blow-down valve 13 is opened, sewage is discharged in sedimentation basin 1.
First flash vessel 3 as shown in Fig. 2 pressure release gas inside it by dilatation, transformation flow direction, reverse with shower water
The mode of contact comes out the dust separation in pressure release gas, and dust is caught by shower water enters sedimentation basin 1, completes the separation of dust
Process.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modifications, equivalent substitutions and improvements made etc. should be included in the utility model
Protection domain within.
Claims (3)
1. a kind of lock hopper pressure release gas purification dust removal system, it is characterised in that its sedimentation basin for including setting gradually from top to bottom,
One relief tube, the first flash vessel, the second relief tube and the second flash vessel, air inlet and the sedimentation basin of first flash vessel
Connected by first relief tube, the exhaust outlet of first flash vessel passes through described with the air inlet of second flash vessel
Second relief tube is connected, and the exhaust outlet of second flash vessel is connected with blow-down pipe；
First relief tube is connected with lock hopper by blast pipe, relief valve is provided with the blast pipe, in the blast pipe
The first relief tube between the sedimentation basin is provided with bottom blow-down valve；
Spray head is provided with second relief tube, the spray head is connected by shower with the sedimentation basin, the spray
Shower pipe is provided with circulating pump.
2. a kind of lock hopper pressure release gas purification dust removal system according to claim 1, it is characterised in that second relief tube
One end stretched into from the exhaust outlet of first flash vessel inside first flash vessel, stretched into second relief tube described
One end sealing inside first flash vessel provided with circular closure plate, the closure plate it is outer with diameter greater than second relief tube
Footpath, stretches on one end tube wall inside first flash vessel in second relief tube and offers bar shaped gas outlet.
3. a kind of lock hopper pressure release gas purification dust removal system according to claim 1, it is characterised in that the one of the blow-down pipe
Hold from the exhaust outlet of second flash vessel and stretch into inside second flash vessel, second dilatation is stretched into the blow-down pipe
One end sealing inside device is provided with circular closure plate, the external diameter with diameter greater than the blow-down pipe of the closure plate, in the emptying
Pipe stretches on one end tube wall inside second flash vessel and offers bar shaped gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384395.0U CN206334467U (en) | 2016-12-16 | 2016-12-16 | A kind of lock hopper pressure release gas purification dust removal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384395.0U CN206334467U (en) | 2016-12-16 | 2016-12-16 | A kind of lock hopper pressure release gas purification dust removal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206334467U true CN206334467U (en) | 2017-07-18 |
Family
ID=59302529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621384395.0U Active CN206334467U (en) | 2016-12-16 | 2016-12-16 | A kind of lock hopper pressure release gas purification dust removal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206334467U (en) |
-
2016
- 2016-12-16 CN CN201621384395.0U patent/CN206334467U/en active Active
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