CN206152495U - Boiler -flue dust removing device - Google Patents
Boiler -flue dust removing device Download PDFInfo
- Publication number
- CN206152495U CN206152495U CN201621143976.5U CN201621143976U CN206152495U CN 206152495 U CN206152495 U CN 206152495U CN 201621143976 U CN201621143976 U CN 201621143976U CN 206152495 U CN206152495 U CN 206152495U
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- valve
- ash
- storehouse
- storehouse pump
- boiler
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Abstract
The utility model discloses a boiler -flue dust removing device, include the ash bucket, set up the right angle flue on ash bucket upper portion, set up the storehouse pump in the ash bucket lower part, storehouse pump top portion is equipped with the feed inlet, be equipped with the feed valve on the feed inlet, the last gas vent that is equipped with of cang bengcebi, be equipped with discharge valve on the gas vent, storehouse pump bottom is equipped with the discharge gate, be equipped with the bleeder valve on the discharge gate, the discharge gate passes through ash conveying pipe and connects grey storehouse, storehouse pump bottom is equipped with the vaporizer, be connected with on the vaporizer and carry the cigarette ash of great granule to the gas -force ash conveying device in grey storehouse. The utility model discloses separate the cigarette ash of great granule in the flue in advance, reduced the dust removal pressure of sack cleaner, reduced the possibility that large granule cigarette ash directly erodees the sack, reduce the mechanical wear of dust remover sack to extension sack life.
Description
Technical field
The utility model is related to dust arrester, more specifically, it relates to a kind of boiler-flue dust removing device.
Background technology
Current, with industrial expansion, atmosphere pollution has had changed into a global problem, mainly has greenhouse to imitate
Should, depletion of the ozone layer and acid rain.The characteristics of China's atmosphere pollution be based on coal-smoke pollution, major pollutants be dust, two
Sulfur oxide etc., and the source of these pollutants is mainly boiler smoke.Therefore, coal-burned industrial boiler and station boiler are removed
Dirt desulfurization becomes a focus of domestic and international scientific research and administrative department's concern.However, currently used for Industrial Boiler smoke duster
Efficiency of dust collection it is low, it sometimes appear that blocking, also causing secondary pollution.
Chinese patent disclosed in prior art number for CN202506258U discloses a kind of boiler sack cleaner, wraps
Support is included, support is provided with casing, filter bag is provided with casing, casing top is provided with off-line equipment, and injection system, casing one
Side is provided with distribution flue, and the entrance for distributing flue is provided with volume damper, and lower box is provided with ash bucket.
Above-mentioned sack cleaner is peeled off by blowing and spraying system and making to stick to the dust on filter bag, falls to ash bucket
It is interior, dedusting resistance is reduced, efficiently solve moisture and easily soak cloth bag, affect the technical problem of removing dust and clearing ash effect etc., flue
In dust enter grey storehouse again after sack cleaner filtration, good dedusting effect, but due to there are larger particles in flue gas
Soot particle, bulky grain soot particle directly washes away cloth bag, increased the load of sack cleaner, and the filtration resistance of cloth bag is big, mechanical wear
Greatly, service life is short, and the renewal cost of cloth bag is high, increases the maintenance cost of equipment.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of boiler-flue dust removing device,
By the way that the cigarette ash of larger particles is separated in advance, the dedusting pressure of sack cleaner is reduced, reduce bulky grain cigarette ash and directly wash away
The possibility of cloth bag, reduces the mechanical wear of dust-collecting bag, extends cloth bag service life.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of boiler flue dedusting
Device, including ash bucket, the right angle flue on ash bucket top is arranged on, the storehouse pump of ash bucket bottom is arranged on, the storehouse pump top is provided with
Charging aperture, the charging aperture is provided with inlet valve；The Cang Bengcebi is provided with exhaust outlet, and the exhaust outlet is provided with exhaust
Valve；The storehouse pump bottom is provided with discharging opening, and the discharging opening is provided with outlet valve, and the discharging opening is by ash conveying pipe connection ash
Storehouse, the storehouse pump bottom is provided with vaporizer, and the strength that the cigarette ash of larger particles is delivered to grey storehouse is connected with the vaporizer
Ash conveying device.
By adopting above-mentioned technical proposal, ash bucket connection right angle flue, using the right-angled bend of right angle flue, to relatively close
The larger soot particle of degree, according to the principle of inertia bottom ash bucket is deposited on, and in advance separates the larger particles in flue gas, is then passed through
The soot particle of larger particles is delivered to grey storehouse by pneumatic ash conveying plant, and a part of fine ash is directly discharged into without sack cleaner
Grey storehouse, advantageously reduces the dedusting pressure of sack cleaner, while after the cigarette ash of larger particles is separated in advance, greatly reducing big
Particulate soot directly washes away the possibility of cloth bag, reduces the mechanical wear of dust-collecting bag, plays to extending cloth bag service life
Certain effect.
The utility model is further arranged to：The pneumatic ash conveying plant includes source of the gas, and with source of the gas setting is sequentially connected in series
Second manual ball valve, pressure regulator valve and intake valve, the forcing pipe being arranged in parallel respectively with source of the gas, playpipe and vapor lamp are described to add
Pressure pipe connects storehouse pump, the playpipe and vapor lamp connection vaporizer, and the first stop valve and first are in series with the forcing pipe
Check-valves, is in series with the second stop valve and second check-valve on the playpipe, the 3rd stop valve is in series with the vapor lamp
With the 3rd check-valves.
Intermittent delivery, source of the gas is adopted to pass through forcing pipe, playpipe by adopting above-mentioned technical proposal, pneumatic ash conveying plant
Enter the pump that puts in storage with vapor lamp, soot particle is dividedly in some parts into storehouse pump, pine is blown in then ventilation, in the pump of storehouse up to after certain pressure, is opened out
Material valve, soot particle is blown in ash conveying pipe and is conveyed, and often conveys a pump flying dust, as one working cycles, each working cycles point
Four-stage, respectively charging stage, pressurization fluidization period, delivery phase and purge stages, and it is gentle in forcing pipe, playpipe
Change and be respectively provided with first, second, third stop valve and first, second, third check-valves on pipe, make flying dust one-way flow, prevent
Slot leakage of the flying dust between sealing surface, and prevent the flying dust in pipeline from flowing backwards.
The utility model is further arranged to：Source of the gas is provided between second manual ball valve and pressure regulator valve and processes two
Part, the source of the gas to be processed and be connected with solenoid valve box on two parts.
Process two parts and refer to air cleaner and pressure-reducing valve by adopting above-mentioned technical proposal, source of the gas, pressure-reducing valve can be right
Source of the gas carries out voltage stabilizing, makes source of the gas in steady state, can reduce because during source of the gas pressure fluctuations to hardware such as valve or actuators
Damage；And filter is used for the cleaning to source of the gas, the moisture content in compressed air is may filter that, it is to avoid moisture content enters device with gas；
The setting of solenoid valve box, can be convenient with the centralized Control of convenient electromagnetic valve, flexible adjustment.
The utility model is further arranged to：The inlet valve, outlet valve, intake valve and air bleeding valve are respectively magnetic valve,
The inlet valve, outlet valve, intake valve and air bleeding valve are electrically connected in solenoid valve box, and are controlled by solenoid valve box.
By adopting above-mentioned technical proposal, charging aperture arrange inlet valve, discharging opening arrange outlet valve, air inlet arrange into
Air bleeding valve is provided with air valve, and exhaust outlet, inlet valve, outlet valve, intake valve and air bleeding valve are respectively magnetic valve and concentrate
Be controlled by solenoid valve box, magnetic valve has leakage stifled exhausted, and interior leakage is easily-controllable, using it is safe the characteristics of, other internally piloted valves are generally by valve
Bar stretches out, and by electronic, the pneumatic, rotation of hydraulic actuating mechanism control valve element or movement, this will solve long-term action valve rod and move
An external leakage difficult problem for sealing, having magnetic valve only is completed in the iron core being sealed in magnetic shield pipe with electromagnetic force, is not existed
Dynamic sealing, so leakage easily prevents；The structural shape of magnetic valve is easily controlled internal leakage, until being reduced to zero.So, magnetic valve makes
With especially safe, it is particularly suited for corrosivity, poisonous or high/low temperature medium.
The utility model is further arranged to：The storehouse pump is provided with pressure transmitter.
By adopting above-mentioned technical proposal, the real-time pressure that pressure transmitter is used in the pump of on-line checking storehouse, and a detection
To pressure signal pass to electronic equipment, and then in Computer display pressure, facilitate the monitor in real time of pressure, reliable operation, property
Can be stable.
The utility model is further arranged to：The storehouse pump is provided with level-sensing device.
By adopting above-mentioned technical proposal, level-sensing device is used to detect the soot particle height in the pump of storehouse, during original state, in the pump of storehouse
Isobaric with deduster inside, when soot particle continually enters the pump that puts in storage from dust collector ash hopper, and the piling height of soot particle reaches material position
During meter height, level-sensing device probe contacts soot particle, level-sensing device produces the full signal of a material, and enters program control by field control unit
Device processed, under the control of cyclelog, system is automatically switched off inlet valve, and inlet valve state terminates.
The utility model is further arranged to：The right angle flue is provided with air preheater.
By adopting above-mentioned technical proposal, using fume afterheat, EAT is improve, the air in heating cabinet pump, from
And flue gas loss is reduced, so as to improve the thermal efficiency.
In sum, the utility model has the advantages that：
First, ash bucket connection right angle flue, using flue right-angled bend, the soot particle larger to relative density, according to inertia
Principle be deposited on bottom ash bucket, in advance by flue gas larger particles separate, then by pneumatic ash conveying plant by larger
The soot particle of grain is delivered to grey storehouse, and a part of fine ash is directly discharged into grey storehouse without sack cleaner, advantageously reduces cloth bag
The dedusting pressure of deduster, while after the cigarette ash of larger particles is separated in advance, greatly reducing bulky grain cigarette ash and directly washing away cloth
The possibility of bag, reduces the mechanical wear of dust-collecting bag, plays a role to extending cloth bag service life.
Second, pneumatic ash conveying plant adopts intermittent delivery, soot particle is dividedly in some parts into storehouse pump, pine is blown in then ventilation, by ash
Grain is blown in ash conveying pipe and conveys, and often conveys a pump flying dust, and as one working cycles, each working cycles divide four-stage,
Respectively charging stage, pressurization fluidization period, delivery phase and purge stages, easy to control, flexible adjustment.
Third, inlet valve, outlet valve, intake valve and air bleeding valve are respectively magnetic valve and concentration is controlled by solenoid valve box, have
There is leakage stifled exhausted, interior leakage is easily-controllable, using the effect of safety.
Fourth, storehouse pump is provided with pressure transmitter, for the real-time pressure in the pump of on-line checking storehouse, and the pressure for detecting
Force signal passes to electronic equipment, and then in Computer display pressure, facilitates the monitor in real time of pressure, reliable operation, stable performance.
Fifth, right angle flue is provided with air preheater, using fume afterheat, EAT, the sky in heating cabinet pump are improve
Gas, so as to reduce flue gas loss, so as to improve the thermal efficiency.
Sixth, level-sensing device is set on the pump of storehouse, for detecting the height of the soot particle in the pump of storehouse, when soot particle is continually from deduster
Ash bucket enters the pump that puts in storage, and the piling height of soot particle, when reaching level-sensing device height, level-sensing device probe contacts soot particle, level-sensing device produces one
The full signal of material, and cyclelog is entered by field control unit, under the control of cyclelog, system be automatically switched off into
Material valve.
Description of the drawings
Fig. 1 is the structural representation of the present embodiment；
In figure：1st, inlet valve；2nd, air bleeding valve；3rd, pressure transmitter；4th, level-sensing device；5th, storehouse pump；6th, vaporizer；7th, magnetic valve
Case；8th, source of the gas processes two parts；9th, first manual ball valve；10th, the second manual ball valve；11st, pressure regulator valve；12nd, intake valve；13rd,
One stop valve；14th, first check-valve；15th, forcing pipe；16th, playpipe；17th, vapor lamp；18th, air preheater；19th, ash bucket；20th, ash
Storehouse；21st, outlet valve；22nd, ash conveying pipe；23rd, the second stop valve；24th, second check-valve；25th, the 3rd stop valve；26th, the 3rd stops
Return valve；27th, source of the gas；28th, right angle flue.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment：A kind of boiler-flue dust removing device, as shown in figure 1, including ash bucket 19, it is straight in the connection of the top of ash bucket 19
Angle flue 28, connects storehouse pump 5 below ash bucket 19.
Right angle flue 28 utilizes right-angled bend, the soot particle larger to relative density in flue gas, is deposited on according to principle of inertia
Ash bucket 19, and air preheater 18 is provided with right angle flue 28, air preheater 18 utilizes fume afterheat, heats into putting in storage in pump 5
Air, improves EAT, so as to reduce flue gas loss.
In storehouse, the top of pump 5 arranges charging aperture, charging aperture connection ash bucket 19, and inlet valve 1 is provided with charging aperture, convenient
Control charging；Exhaust outlet, pressure transmitter 3 and level-sensing device 4 are respectively equipped with the side wall of storehouse pump 5, exhaust outlet is provided with air bleeding valve 2,
Can be according to pressure automatically open and close in storehouse pump 5；The real-time pressure that pressure transmitter 3 is used in on-line checking storehouse pump 5, and
The pressure signal for detecting is passed to electronic equipment, and then in Computer display pressure, facilitates the monitor in real time of pressure；And material position
Meter 4 is then used to detect the soot particle height in storehouse pump 5, when soot particle continually enters to put in storage pump 5 from dust collector ash hopper 19, and soot particle
When piling height reaches 4 height of level-sensing device, the probe contacts soot particle of level-sensing device 4, level-sensing device 4 produces the full signal of a material, and by existing
Field control unit enters cyclelog, and under the control of cyclelog, system is automatically switched off inlet valve 1.
In storehouse, the bottom of pump 5 is provided with vaporizer 6, and in the side of vaporizer 6 pneumatic ash conveying plant is provided with, in the another of vaporizer 6
Side is provided with discharging opening, and discharging opening is connected to grey storehouse 20, outlet valve 21 is provided with discharging opening, is used for by ash conveying pipe 22
Go out ash quantity on control discharging opening.
When bulky grain soot particle is deposited on ash bucket 19, inlet valve 1 is opened, bulky grain soot particle falls into storehouse pump 5, by Pneumatic ash conveying
Oarse-grained cigarette ash is delivered to grey storehouse 20 by device, not only contributes to reduce the dedusting pressure of sack cleaner, while will be larger
After the cigarette ash of particle is separated in advance, the possibility that bulky grain cigarette ash directly washes away cloth bag is substantially reduced, extend the use of cloth bag
Life-span.
Wherein, Pneumatic conveyer includes source of the gas 27, for conveying the pipeline of source of the gas 27, the has been sequentially connected in series on pipeline
Two manual ball valves 10, pressure regulator valve 11 and intake valve 12, source of the gas are provided between the second manual ball valve 10 and pressure regulator valve 11 and process two
Connection part 8, source of the gas processes two parts 8 and is connected to solenoid valve box 7, and adjusts air-flow by first manual ball valve 9.Pipeline and storehouse pump 5
Connected by the segmentation of forcing pipe 15, playpipe 16 and vapor lamp 17, wherein, forcing pipe 15 is connected with the side wall of storehouse pump 5, forcing pipe 15
On be in series with the first stop valve 13 and first check-valve 14, and playpipe 16 and vapor lamp 17 then connect vaporizer 6, in playpipe
The second stop valve 23 and second check-valve 24 are in series with 16, the 3rd stop valve 25 and the 3rd non-return are in series with vapor lamp 17
Valve 26.
And above-mentioned ash conveying pipe 22 for sealing pipeline, by seal pipeline flying dust, can with strict guarantee materials quality,
It is set not make moist, external no dust pollution, not by various weather influences, is conducive to generating the protection with environment.
The utility model adopts the intermittent delivery of storehouse pump 5, often conveys a pump flying dust, as one working cycles, each work
Make circulation point four-stage, concrete operations are as follows：
1st, the charging stage
Inlet valve 1 is in opening, and intake valve 12 and outlet valve 21 are closed, and the inside of storehouse pump 5 connects with ash bucket 19；Storehouse pump 5
The interior inside with deduster is isobaric, and soot particle continually enters to put in storage pump 5 from dust collector ash hopper 19, when the grey position of soot particle in storehouse pump 5 it is high
Extremely with the probe contacts of level-sensing device 4, then level-sensing device 4 produces the full signal of a material, and enters cyclelog by field control unit,
Under cyclelog control, system is automatically switched off inlet valve 1, and feed state terminates.
2nd, pressurize fluidization period
After inlet valve 1 is closed, intake valve 12 is opened, compressed air passes through fluidized disk even into storehouse pump 5, ash in storehouse pump 5
Grain fully fluidization, while pressure rise, when pressure up to pressure gauge pressure upper limit, then double pressure switches export pressure upper limit
To control system, system automatically opens up outlet valve 21 to signal, and the pressurized fluidization stage terminates, into delivery phase.
3rd, delivery phase
Outlet valve 21 is opened, and now storehouse pump 5 is while continue air inlet, gas ash mixture in one side enters defeated ash by outlet valve 21
Pipeline 22, and it is delivered to grey storehouse 20.After fly ash carry is complete in storehouse pump 5, the drop in resistance of ash conveying pipe 22, pressure drop in storehouse pump 5
It is low；When pressure is reduced to the threshold pression that double pressure switches are adjusted in storehouse pump 5, delivery phase terminates, into purge stages, but
Now intake valve 12 and outlet valve 21 still keep it turned on.
4th, purge stages
Intake valve 12 and outlet valve 21 are still opened, compressed air purging storehouse pump 5 and ash conveying pipe 22.Timing a period of time
Afterwards, purging terminates, and closes intake valve 12, outlet valve 21, then opens inlet valve 1, and storehouse pump 5 returns to feed state.
So far, including one of aforementioned four stage conveying circulation terminates, next conveying circulation is restarted.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of without departing from the utility model principle and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (7)
1. a kind of boiler-flue dust removing device, it is characterised in that：Including ash bucket（19）, be arranged on ash bucket（19）The right angle cigarette on top
Road（28）, it is arranged on ash bucket（19）The storehouse pump of bottom（5）, the storehouse pump（5）Top is provided with charging aperture, and the charging aperture is provided with
Inlet valve（1）；The storehouse pump（5）Side wall is provided with exhaust outlet, and the exhaust outlet is provided with air bleeding valve（2）；The storehouse pump（5）Bottom
Portion is provided with discharging opening, and the discharging opening is provided with outlet valve（21）, the discharging opening is by ash conveying pipe（22）The grey storehouse of connection（20
）, the storehouse pump（5）Bottom is provided with vaporizer（6）, the vaporizer（6）On be connected with the cigarette ash of larger particles be delivered to into ash
Storehouse（20 ）Pneumatic ash conveying plant.
2. boiler-flue dust removing device according to claim 1, it is characterised in that：The pneumatic ash conveying plant includes source of the gas
（27）, with source of the gas（27）It is sequentially connected in series the manual ball valve of setting（10）, pressure regulator valve（11）And intake valve（12）, with source of the gas（27）Point
The forcing pipe not being arranged in parallel（15）, playpipe（16）And vapor lamp（17）, the forcing pipe（15）Connection storehouse pump（5）, it is described
Playpipe（16）And vapor lamp（17）Connection vaporizer（6）, the forcing pipe（15）On be in series with the first stop valve（13）With
One check-valves（14）, the playpipe（16）On be in series with the second stop valve（23）And second check-valve（24）, the vapor lamp
（17）On be in series with the 3rd stop valve（25）With the 3rd check-valves（26）.
3. boiler-flue dust removing device according to claim 2, it is characterised in that：The manual ball valve（10）And pressure regulator valve
（11）Between be provided with source of the gas process two parts（8）, two parts of the source of the gas process（8）On be connected with solenoid valve box（7）.
4. boiler-flue dust removing device according to claim 3, it is characterised in that：The inlet valve（1）, outlet valve
（21）, intake valve（12）And air bleeding valve（2）Respectively magnetic valve, the inlet valve（1）, outlet valve（21）, intake valve（12）With
Air bleeding valve（2）It is electrically connected in solenoid valve box（7）, and it is controlled by solenoid valve box（7）.
5. boiler-flue dust removing device according to claim 4, it is characterised in that：The storehouse pump（5）It is provided with pressure change
Send device（3）.
6. boiler-flue dust removing device according to claim 5, it is characterised in that：The storehouse pump（5）It is provided with level-sensing device
（4）.
7. boiler-flue dust removing device according to claim 1, it is characterised in that：The right angle flue（28）It is provided with sky
Pre- device（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621143976.5U CN206152495U (en) | 2016-10-20 | 2016-10-20 | Boiler -flue dust removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621143976.5U CN206152495U (en) | 2016-10-20 | 2016-10-20 | Boiler -flue dust removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206152495U true CN206152495U (en) | 2017-05-10 |
Family
ID=58653847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621143976.5U Expired - Fee Related CN206152495U (en) | 2016-10-20 | 2016-10-20 | Boiler -flue dust removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206152495U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375077A (en) * | 2018-03-08 | 2018-08-07 | 眉山市建远商贸有限公司 | A kind of low-temp low-pressure ash disposal system |
| CN112061789A (en) * | 2020-09-23 | 2020-12-11 | 多氟多化工股份有限公司 | Connecting piece for pneumatic conveying device and pneumatic conveying device |
| CN115303803A (en) * | 2022-07-05 | 2022-11-08 | 河北邯峰发电有限责任公司 | Storehouse pump structure of adjustable defeated grey pressure |
-
2016
- 2016-10-20 CN CN201621143976.5U patent/CN206152495U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375077A (en) * | 2018-03-08 | 2018-08-07 | 眉山市建远商贸有限公司 | A kind of low-temp low-pressure ash disposal system |
| CN112061789A (en) * | 2020-09-23 | 2020-12-11 | 多氟多化工股份有限公司 | Connecting piece for pneumatic conveying device and pneumatic conveying device |
| CN115303803A (en) * | 2022-07-05 | 2022-11-08 | 河北邯峰发电有限责任公司 | Storehouse pump structure of adjustable defeated grey pressure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20191020 |
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| CF01 | Termination of patent right due to non-payment of annual fee |