CN206337229U - A kind of mesohigh lock hopper rushes pressure relief system - Google Patents
A kind of mesohigh lock hopper rushes pressure relief system Download PDFInfo
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- CN206337229U CN206337229U CN201621384394.6U CN201621384394U CN206337229U CN 206337229 U CN206337229 U CN 206337229U CN 201621384394 U CN201621384394 U CN 201621384394U CN 206337229 U CN206337229 U CN 206337229U
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- coal
- deslagging
- lock hopper
- valve
- buffering bucket
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
Pressure relief system is rushed the utility model discloses a kind of mesohigh lock hopper, including feed bin, coal buffering bucket, coal lock hopper, gasification furnace, deslagging buffering bucket, deslagging lock hopper, lock hopper filter, recycling can, deslagging sluicing pressure pipe, coal sluicing pressure pipe and impact tube, feed bin, coal buffering bucket, coal lock hopper, gasification furnace, deslagging buffering bucket and deslagging lock hopper pass sequentially through valve connection, the gas injection port of coal buffering bucket is connected with the gas injection port of coal lock hopper by coal balance pipe, and deslagging buffering bucket is connected with deslagging lock hopper by deslagging balance pipe.Gasification furnace sluicing pressure is carried out using the utility model, part storage is carried out to the pressure release gas of coal buffering bucket, deslagging lock hopper by recycling can, the discharge of pressure release gas is reduced, is effectively reduced the discharge capacity of gases at high pressure, greatly improves efficiency of energy utilization；And venting duration is greatly saved, improve operating efficiency.
Description
Technical field：
The utility model belongs to chemical technology field, more particularly to a kind of mesohigh lock hopper rushes pressure relief system.
Background technology：
In the pressurized coal gasification device such as fixed bed, air flow bed, it is required to complete feed coal (fine coal/block using lock hopper
Coal) continuous pressure conveying or cinder discharge.Because gasification furnace 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 conventional to be using lock hopper coal process：After feed coal (fine coal/lump coal) is full of in lock hopper, in order to which normal pressure will be in
The coal of environment is added in gasification furnace, need to be carried out punching press to lock hopper, its pressure is slightly above gasification furnace pressure；When lock hopper completes coal
Afterwards, pressure release is generally carried out by way of gas in lock hopper is discharged, a feeding cycle is completed.
It is conventional to be using lock hopper deslagging process：Lock hopper is pressurized to and gasification furnace uniform pressure, the then gas in gasification furnace
Slugging is first discharged into lock hopper under gravity, finally discharges the gas in lock hopper, and pressure release is complete to normal pressure heel row slag discharging
Into a deslagging circulation.
The volume of lock hopper is typically not less than 6Nm3, conventional coal lock hopper and dreg-locking hopper system, not reclaim pressure release gas,
Directly discharge and cause huge waste, need the pressurization gas of extraneous supply large-minded in punching press in addition, gas compression work(
Consumption is high, requires high for compressor, so as to add production cost and investment；Further, since the direct pressure release of high-pressure system, pressure difference
Pressure relief valve is easily damaged caused by big, causes production accident, and serious causes system shutdown.Further, since pressure release gas exists
Substantial amounts of dust can be taken during discharge out of, certain dust prevention need to be taken, it will usually filter dedusting is used, this requires pressure release
Can not be too fast, the situation that otherwise filter core is easily broken, situation for causing the system decompression time longer occurs for this.
Utility model content：
The purpose of this utility model is to provide a kind of saving energy and the short mesohigh lock hopper sluicing pressure system of venting duration
System.
The purpose of this utility model is implemented by following technical scheme, and a kind of mesohigh lock hopper rushes pressure relief system, it include according to
The secondary feed bin connected by valve, coal buffering bucket, coal lock hopper, gasification furnace, deslagging buffering bucket and deslagging lock hopper, the coal
The gas injection port of buffering bucket is connected with the gas injection port of the coal lock hopper by the coal balance pipe provided with coal balanced valve, the row
The gas injection port of slag buffering bucket is connected with the gas injection port of the deslagging lock hopper by the deslagging balance pipe provided with deslagging balanced valve；
It also includes lock hopper filter, recycling can, coal sluicing pressure pipe, deslagging sluicing pressure pipe and impact tube, the punching press
Pipe is connected with the high-pressure air source of on-site；Air inlet of the gas injection port of the coal buffering bucket also with the lock hopper filter passes through
Coal sluicing pressure pipe connection provided with coal sluicing pressure valve, atmospheric valve, institute are provided with the air inlet of the lock hopper filter
The exhaust outlet for stating lock hopper filter is connected with blow-down pipe；
One end of the deslagging sluicing pressure pipe is connected with the gas injection port of the deslagging buffering bucket, the deslagging sluicing pressure pipe
The coal sluicing pressure pipe between the other end and the coal sluicing pressure valve and the lock hopper filter is connected, the deslagging punching
Relief tube is provided with deslagging sluicing pressure valve；
It also includes recovery tube, and one end of the recovery tube connects with the recycling can, the other end of the recovery tube and
Coal sluicing pressure pipe connection between the sluicing pressure valve and the lock hopper filter；
The coal sluicing between one end of the impact tube and the coal sluicing pressure valve and the lock hopper filter
Pressure pipe is connected, and the impact tube is provided with ram valve.
Advantage of the present utility model：Gasification furnace sluicing pressure is carried out using the utility model, coal buffered by recycling can
Bucket, the pressure release gas of deslagging lock hopper carry out part storage, reduce the discharge of pressure release gas, are effectively reduced the discharge capacity of gases at high pressure,
Greatly improve efficiency of energy utilization；And venting duration is greatly saved, improve operating efficiency.
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.
In figure：Feed bin 1, coal buffering bucket 2, coal lock hopper 3, gasification furnace 4, deslagging buffering bucket 5, deslagging lock hopper 6, lock hopper mistake
Filter 7, recycling can 8, deslagging sluicing pressure pipe 9, coal sluicing pressure pipe 10, impact tube 11, coal balanced valve 12, coal balance pipe
13, deslagging balanced valve 14, deslagging balance pipe 15, coal sluicing pressure valve 16, atmospheric valve 17, blow-down pipe 18, recovery valve 19, recovery tube
20, deslagging sluicing pressure valve 21, ram valve 22.
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.
Embodiment 1：
A kind of mesohigh lock hopper rushes pressure relief system, and it includes feed bin 1, coal buffering bucket 2, coal lock hopper 3, gasification furnace 4, row
Slag buffering bucket 5, deslagging lock hopper 6, lock hopper filter 7, recycling can 8, deslagging sluicing pressure pipe 9, coal sluicing pressure pipe 10, impact tube
11, feed bin 1, coal buffering bucket 2, coal lock hopper 3, gasification furnace 4, deslagging buffering bucket 5 and deslagging lock hopper 6 pass sequentially through valve company
Connect, the gas injection port of coal buffering bucket 2 is connected with the gas injection port of coal lock hopper 3 by the coal balance pipe 13 provided with coal balanced valve 12
Logical, the gas injection port of deslagging buffering bucket 5 is connected with the gas injection port of deslagging lock hopper 6 by the deslagging balance pipe 15 provided with deslagging balanced valve 14
It is logical；
The gas injection port of coal buffering bucket 2 also passes through adding provided with coal sluicing pressure valve 16 with the air inlet of lock hopper filter 7
Coal sluicing pressure pipe 10 is connected, and atmospheric valve 17, the exhaust outlet of lock hopper filter 7 and emptying are provided with the air inlet of lock hopper filter 7
Pipe 18 is connected；
One end of deslagging sluicing pressure pipe 9 is connected with the gas injection port of deslagging buffering bucket 5, the other end of deslagging sluicing pressure pipe 9 with
Coal sluicing pressure pipe 10 between coal sluicing pressure valve 16 and lock hopper filter 7 is connected, and deslagging sluicing pressure pipe 9 is rushed provided with deslagging
Relief valve 21；
It also includes recovery tube 20, and one end of recovery tube 20 is connected with recycling can 8, and the other end and the coal of recovery tube 20 are rushed
Coal sluicing pressure pipe 10 between relief valve 16 and lock hopper filter 7 is connected；
One end of impact tube 11 is connected with the high-pressure air source of on-site, the other end and the coal sluicing pressure valve 16 of impact tube 11
Coal sluicing pressure pipe 10 between lock hopper filter 7 is connected, and impact tube 11 is provided with ram valve 22.
The course of work：
Coal and deslagging, coal lock hopper 3 and deslagging buffering bucket 5 and the pressure in gasification furnace 4 are carried out using the utility model
All the time approach, the coal and deslagging of gasification furnace 4 are only realized by the sluicing pressure of coal buffering bucket 2 and deslagging lock hopper 6.
1st, gasification furnace coal process
1.1 coal buffering bucket splicings
When coal buffering bucket 2 needs pressure release, coal sluicing pressure valve 16 and recovery valve 19 are opened, recycling can 8 is buffered with coal
Bucket 2 carries out pressure balance；When pressure is identical, recovery valve 19 is closed, atmospheric valve 17, system external circle pressure release to normal pressure is opened
Afterwards, atmospheric valve 17 is closed, the pressure leak process of coal buffering bucket 2 is completed.
When coal buffering bucket 2 needs splicing, the valve between coal buffering bucket 2 and feed bin 1 is opened, coal buffering bucket 2 starts
Splicing, occurs to the high charge level of coal buffering bucket 2, the valve closed between coal buffering bucket 2 and feed bin 1, the splicing of coal buffering bucket 2
Complete.
1.2 coal lock hopper splicings
First to the punching press of coal buffering bucket 2, recovery valve 19 and coal sluicing pressure valve 16 are first opened, is deposited first with recycling can 8
The source of the gas of storage carries out punching press to coal buffering bucket 2, when pressure is identical, closes recovery valve 19 and coal sluicing pressure valve 16, opens
Ram valve 22, continues to the punching press of coal buffering bucket 2, until the pressure of coal buffering bucket 2 is identical with the pressure of coal lock hopper 3, or
The pressure of a little higher than coal lock hopper 3, closes ram valve 22, and the punching course of coal buffering bucket 2 terminates.
Coal balanced valve 12 is then opened, pressure balance is carried out to coal buffering bucket 2 and coal lock hopper 3；Coal is opened to delay
Valve between punching bucket 2 and coal lock hopper 3, coal is noted into coal lock hopper 3, after the high charge level of coal lock hopper 3 occurs, and closes coal
Valve between buffering bucket 2 and coal lock hopper 3, the splicing process of coal lock hopper 3 is completed.
2nd, gasification furnace tapping process
2.1 gasification furnace slag discharges
When gasification furnace 4 needs deslagging, the valve between gasification furnace 4 and deslagging lock hopper 5 is opened, deslagging buffering bucket 5 starts to connect
Material, occurs to the high charge level of deslagging buffering bucket 5, and the valve closed between gasification furnace 4 and deslagging lock hopper 5 completes the deslagging mistake of gasification furnace 4
Journey.
2.2 deslagging buffering bucket deslagginves
When deslagging buffering bucket 5 needs deslagging, need first to the punching press of deslagging lock hopper 6.
Recovery valve 19 and deslagging sluicing pressure valve 21 are first turned on, deslagging lock hopper 6 is rushed using the source of the gas in recycling can 8
Pressure, until its pressure balance；Close recovery valve 19, open ram valve 22 punching press is continued to it, to deslagging lock hopper 6 in pressure with
Pressure in deslagging buffering bucket 5 is essentially identical, closes deslagging sluicing pressure valve 21 and ram valve 22, and the punching course of deslagging lock hopper 6 is complete
Into；
Open deslagging balanced valve 14 and the valve between deslagging buffering bucket 5 and deslagging lock hopper 6, to deslagging buffering bucket 5 in slag
It is all drained, close deslagging balanced valve 14 and the valve between deslagging buffering bucket 5 and deslagging lock hopper 6, the deslagging mistake of deslagging buffering bucket 5
Journey terminates.
2.3 deslagging lock hopper deslagginves
First turn on deslagging sluicing pressure valve 21 and recovery valve 19, recycling can 8 starts punching press, until with the pressure of deslagging lock hopper 6
After balance, recovery valve 19 is closed, atmospheric valve 17 is opened, continued after pressure release to normal pressure, deslagging sluicing pressure valve 21 and atmospheric valve is closed
17, the pressure leak process of deslagging lock hopper 6 is completed；
The residual cake valve of the bottom of deslagging lock hopper 6 is opened, to the bottom of closing deslagging lock hopper 6 after the whole emptyings of the inside slag of deslagging lock hopper 6
The residual cake valve in portion, the tapping process of deslagging lock hopper 6 is completed.
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 (1)
1. a kind of mesohigh lock hopper rushes pressure relief system, it includes feed bin, coal buffering bucket, the coal lock for passing sequentially through valve connection
Bucket, gasification furnace, deslagging buffering bucket and deslagging lock hopper, the gas injection port of the coal buffering bucket and the gas injection port of the coal lock hopper lead to
Cross the coal balance pipe provided with coal balanced valve to connect, the gas injection port of the deslagging buffering bucket and the gas injection port of the deslagging lock hopper
Connected by the deslagging balance pipe provided with deslagging balanced valve；
Characterized in that, it also includes lock hopper filter, recycling can, coal sluicing pressure pipe, deslagging sluicing pressure pipe and impact tube；Institute
State air inlet of the gas injection port of coal buffering bucket also with the lock hopper filter and pass through the coal provided with coal sluicing pressure valve
Sluicing pressure pipe is connected, and atmospheric valve, the exhaust outlet of the lock hopper filter and emptying are provided with the air inlet of the lock hopper filter
Pipe is connected；
One end of the deslagging sluicing pressure pipe is connected with the gas injection port of the deslagging buffering bucket, the deslagging sluicing pressure pipe it is another
End is connected with the coal sluicing pressure pipe between the coal sluicing pressure valve and the lock hopper filter, the deslagging sluicing pressure
Pipe is provided with deslagging sluicing pressure valve；
It also includes recovery tube, and one end of the recovery tube connects with the recycling can, the other end of the recovery tube with it is described
Coal sluicing pressure pipe connection between sluicing pressure valve and the lock hopper filter；
The coal sluicing pressure pipe between the impact tube and the coal sluicing pressure valve and the lock hopper filter is connected, institute
Impact tube is stated provided with ram valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384394.6U CN206337229U (en) | 2016-12-16 | 2016-12-16 | A kind of mesohigh lock hopper rushes pressure relief system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384394.6U CN206337229U (en) | 2016-12-16 | 2016-12-16 | A kind of mesohigh lock hopper rushes pressure relief system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206337229U true CN206337229U (en) | 2017-07-18 |
Family
ID=59302262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621384394.6U Active CN206337229U (en) | 2016-12-16 | 2016-12-16 | A kind of mesohigh lock hopper rushes pressure relief system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206337229U (en) |
-
2016
- 2016-12-16 CN CN201621384394.6U patent/CN206337229U/en active Active
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