CN206103498U - Dedusting device - Google Patents
Dedusting device Download PDFInfo
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- CN206103498U CN206103498U CN201621046243.XU CN201621046243U CN206103498U CN 206103498 U CN206103498 U CN 206103498U CN 201621046243 U CN201621046243 U CN 201621046243U CN 206103498 U CN206103498 U CN 206103498U
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- filter chamber
- dust arrester
- exhaust
- inlet manifold
- dust
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Abstract
The utility model discloses a dedusting device. The device includes the casing, inlet manifold, at least one air intake branch, exhaust manifold and at least one exhaust branch, be provided with at least one filter chamber in the casing, all be provided with filter chamber air inlet and filter chamber gas vent on each filter chamber, the last house steward's air inlet that is provided with of inlet manifold, the inlet manifold is the reducing pipe, and follows the direction of keeping away from house steward's air inlet, and inlet manifold's pipe diameter reduces gradually, one end and inlet manifold's intercommunication of air intake branch, the other end and corresponding filter chamber air inlet intercommunication, exhaust branch's one end and exhaust manifold intercommunication, the other end and corresponding filter chamber gas vent intercommunication. Because the inlet manifold is the reducing pipe, and follows the orientation of keeping away from house steward's air inlet, inlet manifold's pipe diameter reduces gradually, makes the high temperature raw coke oven gas be close to the constant voltage in the inlet manifold to get into each filter chamber under the constant voltage state. The great difference in temperature appears during this can be avoided filtering to tar can be reduced and the possibility is appeared.
Description
Technical field
The utility model is related to Coal Chemical Industry high temperature air filtration technical field, in particular to a kind of dust arrester.
Background technology
High-temperature dusty gas are often produced in industries Jing such as chemical industry, oil, metallurgy.Particularly in coal destructive distillation grading process
In, substantial amounts of coal dust dust is contained in the high temperature raw coke oven gas of generation, and material such as tar is easily separated out containing carbons in mixed gas,
Can exist with gaseous state only in hot environment.Temperature is slightly lower or environment is once change, and is easy for from mixed gas
It is slow to separate out.
Conventional high-temperature raw coke oven gas purification techniques, conventional has permeable-gas ceramicses pipe (micropore ceramics and ceramic membrane) deduster；Greatly
Type pocket type reverse blowing dust remover；Multicyclone；Washing udst separation etc..Earthenware (micropore ceramics and ceramic membrane) deduster
Under worst hot case, filter effect can meet, but with the prolongation of dedusting time, the hole of earthenware (film) can be blocked, then
Raw to safeguard more difficult, online blowback is safeguarded needs very big power, and calcination cleaning cycle length is costly, and maintenance cost is very high.Greatly
The better dust removal effect of type pocket type reverse blowing dust remover such as off-line ash-clearing sack cleaner, but maximum operation (service) temperature typically only 280
DEG C or so, the technological requirement that can not meet.And because water vapour content is big in gaseous mixture, cloth bag appearance easily the dead blocking of paste and
Failure.Multi-cyclone dedusting technology is the simplest, and the distribution of whirlwind tolerance is uneven, and dust removing effects are unstable, and import dust stratification is stifled
Plug phenomenon, thus it is extremely difficult to preferable dust removing effects.Raw coke oven gas is purified using simple washing process, due to band in raw coke oven gas
There is substantial amounts of tar, part ammonia, phenol and oily substance can be stayed in water, and to environment more serious pollution problem is brought.
To the cold the composition of caking is condensed containing easy just because of in raw coke oven gas, thus for deduster temperature requirement more
Strictly, it is necessary to which strict control is into the gas temperature and system dissipated heat inside deduster, it is ensured that nearly temperature constant state.But it is existing
Heat-preserving equipment complex structure, it is particularly limited to safeguard measure at cinder-discharging port, Jing often occur ashes ash bucket condense, or even
Cause cold air to leak into and cause the condensation of the compositions such as coal tar to cause equipment fault.
For these reasons, it is necessary to provide a kind of internal temperature environment relatively stable dust arrester.
Utility model content
The utility model aims to provide a kind of dust arrester, to solve prior art in process high-temperature dusty gas when because of temperature
The unstable tar that is easily caused of degree is easily separated out and causes the problem of equipment fault.
To achieve these goals, according to one side of the present utility model, there is provided a kind of dust arrester, it includes：
Housing, is provided with least one filter chamber in housing, filter chamber's air inlet and filter chamber row are provided with each filter chamber
Gas port；Inlet manifold, is provided with house steward's air inlet on inlet manifold, inlet manifold is reducer pipe, and along away from house steward's air inlet
Direction, the caliber of inlet manifold is gradually reduced；At least one air intake branch, one end of air intake branch connects with inlet manifold,
The other end is connected with corresponding filter chamber's air inlet；Exhaust main；And at least one exhaust branch pipe, one end of exhaust branch pipe with
Exhaust main is connected, and the other end is connected with corresponding filter chamber's exhaust outlet.
Further, dust arrester includes multiple filter chambers, and each filter chamber sets gradually along the axial direction of housing, in filter chamber
It is provided with flood filter layer.
Further, flood filter layer from top to bottom includes successively：Packing layer；Filter；And bottom swash plate；Bottom is oblique
Air cavity is formed between the side wall of plate, filter and housing, bottom swash plate is along one end of close filter chamber air inlet near filtration
One end of room exhaust outlet is downward-sloping；Wherein, filter chamber's air inlet is located at the top of flood filter layer, filter chamber's exhaust outlet and gas
Chamber is connected.
Further, dust arrester includes multiple filter chambers, and inlet manifold is stepped reducer pipe, and stepped reducer pipe
Reducer and filter chamber correspond.
Further, dust arrester also includes：Blowback house steward；At least one blowback arm, corresponds with exhaust branch pipe
Arrange, one end of blowback arm connects with blowback house steward, and the other end is connected with corresponding exhaust branch pipe.
Further, semi-coke powder outlet is additionally provided with inlet manifold.
Further, dust arrester also includes dust collecting box, and dust collecting box is located at the lower section of semi-coke powder outlet.
Further, it is provided with level-sensing device on dust collecting box.
Further, dust arrester also includes valve body, and valve body includes：First valve body, is arranged on air intake branch；Second valve
Body, is arranged on exhaust main, and by gas flow direction, the second valve body is located at the downstream of exhaust branch pipe；3rd valve body, is arranged
On the pipeline section between blowback arm and exhaust main of exhaust branch pipe；And the 4th valve body, it is arranged on blowback arm.
Further, valve body is high-temperature ball valve, high temperature butterfly valve or high temperature cut-off valve.
Further, heat-resistant anticorrosive erosion wear-resistant paint layer is provided with the inwall of housing.
Further, the outer surface of housing is provided with the first heat-insulation layer.
Further, the outer surface of inlet manifold is provided with the second heat-insulation layer, and the outer surface of air intake branch is provided with the 3rd
Heat-insulation layer, the outer surface of exhaust main is provided with the 4th heat-insulation layer, and the outer surface of exhaust branch pipe is provided with the 5th heat-insulation layer.
Further, the outer surface of blowback house steward is provided with the 6th heat-insulation layer, and the outer surface of blowback arm is provided with the 7th
Heat-insulation layer.
Further, dust arrester also includes thermometer and pressure gauge, and thermometer and pressure gauge are arranged at blowback house steward
On, and by the flow direction of gas, thermometer and pressure gauge are respectively positioned on the upstream of blowback arm.
The utility model provides a kind of dust arrester, and high temperature raw coke oven gas is passed through into shell using inlet manifold and air intake branch
Dedusting is carried out in the filter chamber of body.Raw coke oven gas after dedusting is discharged by exhaust branch pipe and exhaust main.Because inlet manifold is
Reducer pipe, and along the direction away from house steward's air inlet, the caliber of inlet manifold is gradually reduced so that high temperature raw coke oven gas is total in air inlet
Close constant pressure in pipe, and filtered into each filter chamber under pressure constant state.This makes it possible to avoid to occur in filter chamber compared with
Big temperature difference such that it is able to reduce the possibility of tar precipitation, it is ensured that the longtime running of equipment.
Description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 shows the schematic diagram of the dust arrester in a kind of embodiment of the utility model；
Fig. 2 shows the schematic diagram of the filter layer in the dust arrester in a kind of embodiment of the utility model.
Wherein, reference is as follows：
10th, housing；11st, filter chamber；12nd, flood filter layer；121st, the first packing layer；122nd, the second packing layer；123rd, mistake
Filter plate；124th, bottom swash plate；125th, air cavity；20th, inlet manifold；21st, house steward's air inlet；22nd, semi-coke powder outlet；30th, air inlet
Pipe；31st, the first valve body；40th, exhaust main；41st, the second valve body；50th, exhaust branch pipe；51st, the 3rd valve body；60th, blowback arm；
61st, the 4th valve body.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the utility model in detail.
As background section is introduced, easily lead because temperature is unstable when high-temperature dusty gas are processed in prior art
Tar is caused easily to separate out, so as to easily cause equipment fault.In order to solve this problem, the utility model is filled there is provided a kind of dedusting
Put, as shown in figure 1, the dust arrester includes：Housing 10, inlet manifold 20, at least one air intake branch 30, exhaust main 40 with
And at least one exhaust branch pipe 50；At least one of which filter chamber 11 is provided with housing 10, is provided with each filter chamber 11
Filter chamber's air inlet and filter chamber's exhaust outlet；House steward's air inlet 21 is provided with inlet manifold 20, inlet manifold 20 is reducer pipe,
And along the direction away from house steward's air inlet 21, the caliber of inlet manifold 20 is gradually reduced；One end of air intake branch 30 is total with air inlet
Pipe 20 is connected, and the other end is connected with corresponding filter chamber's air inlet；One end of exhaust branch pipe 50 connects with exhaust main 40, another
End and the connection of corresponding filter chamber's exhaust outlet.
In the above-mentioned dust arrester that the utility model is provided, using inlet manifold 20 and air intake branch 30 by high temperature raw coke oven gas
Being passed through in the filter chamber 11 of housing 10 carries out dedusting.Raw coke oven gas after dedusting is discharged by exhaust branch pipe 50 and exhaust main 40.
Because inlet manifold 20 is reducer pipe, and along the direction away from house steward's air inlet 21, the caliber of inlet manifold 20 is gradually reduced, makes
High temperature raw coke oven gas close constant pressure in inlet manifold 20 is obtained, and is filtered into each filter chamber 11 under pressure constant state.So
Can just avoid occurring larger temperature difference in filter chamber 11 such that it is able to reduce the possibility of tar precipitation, it is ensured that the length of equipment
Phase is run.
In a kind of preferred embodiment, multiple filter chambers 11 are provided with housing 10.Correspondingly, high temperature raw coke oven gas passes through
Multiple air intake branches 30, with the state of approximate constant voltage different filter chambers 11 is entered, and is not connected between each filter chamber 11.So
The temperature difference not only inside each filter chamber 11 is less, while the also very little of the temperature contrast in different filter chambers 11.So can enter
One step reduce dust arrester inside the temperature difference, so as to further avoid high temperature raw coke oven gas in tar separate out.
In a kind of preferred embodiment, each filter chamber 11 sets gradually along the axial direction of housing 10, arranges in filter chamber 11
There is flood filter layer 12.Flood filter layer 12 refers to that filter layer is paved with along the radial direction of housing 10, free different from traditional centre
The annular filter layer of heart passage, using flood filter layer 12 filter area can be increased, so as to improve filter efficiency, so that housing
10 height can be relatively low.So can further reduce the temperature difference of device interior, reduce the tar analysis in filter process
Output.
In a kind of preferred embodiment, as shown in Fig. 2 flood filter layer 12 from top to bottom includes successively：Packing layer；Cross
Filter plate 123；And bottom swash plate 124；Air cavity 125, bottom are formed between the side wall of bottom swash plate 124, filter 123 and housing 10
Portion's swash plate 124 is along downward-sloping to the one end near filter chamber's exhaust outlet near one end of filter chamber's air inlet；Wherein, filter chamber
Air inlet is located at the top of flood filter layer 12, and filter chamber's exhaust outlet is connected with air cavity 125.Packing layer can be tied for multilayer
Structure, as shown in Fig. 2 including the first packing layer 121 and the second packing layer 122.The filtrate of packing layer can be quartz sand, pearl
Rock, lime stone or semicoke etc..Filtrate in two-layer can be different material, different densities；Can also be material of the same race, it is upper it is heavy under
Gently, different-grain diameter.Preferably, bottom swash plate 124 and the angle of level are 10～20 °, and gas internally forms a constant static-pressure, interior
Portion's flow velocity is 1.5m/s, and gas is flowed out, filtrate is fluidized by gas in bottom swash plate 124 with certain speed, and fine dust is blown
Go out to gathering dust in passage.
In a kind of preferred embodiment, inlet manifold 20 is stepped reducer pipe, and the reducer of stepped reducer pipe
Correspond with filter chamber 11.The reducer of stepped reducer pipe is corresponded with filter chamber 11 and referred on a filter chamber
11, the stepped reducing of inlet manifold 20 is once.Such setting can be further ensured that the air inlet constant pressure of each filter chamber 11,
So as to ensure the temperature uniformity inside whole dust arrester.
In a kind of preferred embodiment, dust arrester also includes：Blowback house steward；At least one blowback arm 60, with row
Gas branch pipe 50 is corresponded and arranged, and one end of blowback arm 60 connects with blowback house steward, the other end and corresponding exhaust branch pipe 50
Connection.Blowback house steward and blowback arm 60 are set, except the filtration particle in flood filter layer 12 being carried out into blowback, with again
Raw filter layer, additionally it is possible to carry out concurrent heating using purge gas, further keeps the heat balance of system.Specifically, using clean coal
Gas is used as purge gas.
In a kind of preferred embodiment, semi-coke powder outlet 22 is additionally provided with inlet manifold 20.In specific operation process
In, using the semi-coke powder outlet 22 on inlet manifold 20, the dust of blowout can be discharged when purge gas carries out blowback.
Specifically, as shown in figure 1, inlet manifold 20 is in be arranged in an axially parallel mode with housing 10, semi-coke powder outlet 22 is arranged on inlet manifold
20 bottom, the so dust of blowout can utilize the gravity of itself to discharge.
In a kind of preferred embodiment, dust arrester also includes dust collecting box, and dust collecting box goes out positioned at semi-coke powder
The lower section of mouth 22.In a kind of preferred embodiment, level-sensing device is provided with dust collecting box, to the collection for indicating dust
Amount.
In a kind of preferred embodiment, dust arrester also includes valve body, and valve body includes：First valve body 31, be arranged on into
On gas branch pipe 30；Second valve body 41, is arranged on exhaust main 40, and by gas flow direction, and the second valve body 41 is located at exhaust
The downstream of arm 50；3rd valve body 51, is arranged on the pipe between blowback arm 60 and exhaust main 40 of exhaust branch pipe 50
Duan Shang；And the 4th valve body 61, it is arranged on blowback arm 60.Can entering with effective control high temperature raw coke oven gas using these valve bodies
Gas and exhaust and blowback operation.
In a kind of preferred embodiment, valve body is high-temperature ball valve, high temperature butterfly valve or high temperature cut-off valve.Preferably, valve body is
High temperature stop valve, so can be cut off in time, it is ensured that the security of equipment when occurring unexpected.
In a kind of preferred embodiment, heat-resistant anticorrosive erosion wear-resistant paint layer is provided with the inwall of housing 10.Specifically
The material of heat-resistant anticorrosive erosion wear-resistant paint layer can be selected from high-temperature flame-proof pouring material or ceramic fibre spray paint.Coating layer thickness can
For 5cm, temperature is resistant to 600～700 DEG C.
In a kind of preferred embodiment, the outer surface of housing 10 is provided with the first heat-insulation layer.First heat-insulation layer energy is set
Enough heat insulation effects for further improving equipment, reduce temperature difference, improve dust removing effects.Such as the first heat-insulation layer selects heat-preservation cotton
(thickness can be 10cm), is fixed outside heat-preservation cotton using stainless steel or aluminium sheet.In the same manner, in a kind of preferred embodiment, air inlet is total
The outer surface of pipe 20 is provided with the second heat-insulation layer, and the outer surface of air intake branch 30 is provided with the 3rd heat-insulation layer, exhaust main 40
Outer surface is provided with the 4th heat-insulation layer, and the outer surface of exhaust branch pipe 50 is provided with the 5th heat-insulation layer.In a kind of preferred embodiment
In, the outer surface of blowback house steward is provided with the 6th heat-insulation layer, and the outer surface of blowback arm 60 is provided with the 7th heat-insulation layer.
In a kind of preferred embodiment, dust arrester also includes thermometer and pressure gauge, and thermometer and pressure gauge are all provided with
Put on blowback house steward, and by the flow direction of gas, thermometer and pressure gauge are respectively positioned on the upstream of blowback arm 60.To supervise
Survey purge gas temperature, pressure, purge gas temperature is 450～500 DEG C in practical operation, and pressure is more fitted for 0.5～4KPa
Preferably.Specifically using purified gas as blowback medium.
It is above-mentioned when being passed through blowback air, it is desirable to the valve closed on exhaust branch pipe 50, the valve on air intake branch 30 is opened,
Blowback air enters into inlet manifold 20 with ash, and ash content deadweight settlement section is partially into next layer of filter chamber 11, then anti-
Under air blowing effect, it is again introduced into inlet manifold 20 and settles.
Preferably, it is additionally provided with online oxygen content analyzer on exhaust main 40.
Embodiment 1
Coal reacts in inside reactor, generate thick raw coke oven gas (vapor, tar steam, coal gas and finely-ground coke) and
Semicoke, the temperature of thick raw coke oven gas is about 450 DEG C.As shown in figure 1, thick raw coke oven gas enters inlet manifold 20 from house steward's air inlet 21
It is interior, in inner manifold diffusion, form constant pressure.Raw coke oven gas is entered in each air intake branch 30, into filter chamber from inlet manifold 20
After 11, raw coke oven gas spreads rapidly, raw coke oven gas under pressure to filtering layer internal flow, during flowing downward, dust quilt
Intercept inside filtering layer, raw coke oven gas is entered in air cavity 125 by filter, imported to exhaust main 40 by exhaust branch pipe 50
It is interior.Go out housing 10 into temperature >=380 DEG C of the net raw coke oven gas in exhaust main 40, be provided with exhaust main 40 online oxygen-containing
Analyzer, when oxygen content >=2%, needs to diffuse raw coke oven gas, and when oxygen content≤2%, unit is produced in raw coke oven gas to change
Processed, collected burnt oil and gas.
It is not diluted for coal gas, the blowback of deduster carries out blowback using from the purified gas for changing product unit, while to protect
Card deduster internal temperature is balanced, and using blowback coal gas concurrent heating is carried out, and keeps inner homogeneous.Coal gas enters before blowback arm 60, quilt
It is heated to 450 DEG C, gas pressure 4KPa, when deduster inlet and outlet pressure difference is more than certain value, Open valve is sequentially entered and removed
Air cavity 125 in dirt device, blowback coal gas forms certain pressure in air cavity 125, and then blowback coal gas passes through filter gas distribution to mistake
Filter chamber 11 carries out reverse gas cleaning, and coal gas mixes with raw coke oven gas after blowback.
Embodiment 2
The difference of embodiment 2 and embodiment 1 is the blowback of deduster using constant-pressure type control, i.e., a certain group filter element
When inlet outlet pressure differential is more than setting value, corresponding blowback valve is opened, carry out point blowing.
Embodiment 3
Embodiment 3 is the heating-up temperature of blowback coal gas when the temperature of raw coke oven gas is 500 DEG C with the difference of embodiment 2
For 550 DEG C.
Embodiment 4
The difference of embodiment 4 and embodiment 3 is the blowback of deduster using constant-pressure type control, i.e., a certain group filter element
When inlet outlet pressure differential is more than setting value, corresponding blowback valve is opened, carry out point blowing.
Seen from the above description, in the above-mentioned dust arrester that the utility model is provided, using inlet manifold 20 and air inlet
High temperature raw coke oven gas is passed through in the filter chamber 11 of housing 10 and carries out dedusting by pipe 30.Raw coke oven gas after dedusting passes through the He of exhaust branch pipe 50
Exhaust main 40 is discharged.Because inlet manifold 20 is reducer pipe, and along the direction away from house steward's air inlet 21, inlet manifold's 20
Caliber is gradually reduced so that high temperature raw coke oven gas close constant pressure in inlet manifold 20, and under pressure constant state enter respectively carried out
Filter.This makes it possible to avoid occurring larger temperature difference in filter chamber 11 such that it is able to reduce the possibility of tar precipitation, it is ensured that set
Standby longtime running.
In addition to above beneficial effect, with the coal gas reverse gas cleaning after purification, (outside gas is added without without consuming nitrogen
Body), do not change combustable gas concentration and calorific value.Compared to other dedusters, under decision design, the device pressure drop most very much not surpasses
2.6kPa is crossed, typically in 1200～1600Pa, filter efficiency is high, keeps relatively low outlet dust concentration, approximately less than 30mg/
Nm3.The technical scheme simple structure, operating cost are low, moving component is few, maintenance rate is low, it is adaptable to most high-temperature dust removals
Occasion, with very strong feasibility, practicality and economy.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (15)
1. a kind of dust arrester, it is characterised in that the dust arrester includes：
At least one filter chamber (11) is provided with housing (10), the housing (10), on each described filter chamber (11)
It is provided with filter chamber's air inlet and filter chamber's exhaust outlet；
Inlet manifold (20), is provided with house steward's air inlet (21) on the inlet manifold (20), the inlet manifold (20) is change
Footpath is managed, and along the direction away from house steward's air inlet (21), the caliber of the inlet manifold (20) is gradually reduced；
At least one air intake branch (30), one end of the air intake branch (30) connects with the inlet manifold (20), the other end
Connect with corresponding filter chamber's air inlet；
Exhaust main (40)；And
At least one exhaust branch pipe (50), one end of the exhaust branch pipe (50) connects with the exhaust main (40), the other end
Connect with corresponding filter chamber's exhaust outlet.
2. dust arrester according to claim 1, it is characterised in that the dust arrester includes multiple filter chambers
(11), each filter chamber (11) sets gradually along the axial direction of the housing (10), and in the filter chamber (11) flood is provided with
Filter layer (12).
3. dust arrester according to claim 2, it is characterised in that the flood filter layer (12) is from top to bottom wrapped successively
Include：
Packing layer；
Filter (123)；And
Bottom swash plate (124)；Shape between the side wall of the bottom swash plate (124), the filter (123) and the housing (10)
Into air cavity (125), the bottom swash plate (124) is along one end of close filter chamber's air inlet near filter chamber exhaust
One end of mouth is downward-sloping；
Wherein, filter chamber's air inlet be located at the flood filter layer (12) top, filter chamber's exhaust outlet with it is described
Air cavity (125) is connected.
4. dust arrester according to claim 1, it is characterised in that the dust arrester includes multiple filter chambers
(11), the inlet manifold (20) is stepped reducer pipe, and the reducer of the stepped reducer pipe and the filter chamber
(11) correspond.
5. dust arrester according to any one of claim 1 to 4, it is characterised in that the dust arrester also includes：
Blowback house steward；
At least one blowback arm (60), corresponds with the exhaust branch pipe (50) and arranges, and the one of the blowback arm (60)
End connects with the blowback house steward, and the other end is connected with the corresponding exhaust branch pipe (50).
6. dust arrester according to claim 5, it is characterised in that be additionally provided with semi-coke powder on the inlet manifold (20)
Outlet (22).
7. dust arrester according to claim 6, it is characterised in that the dust arrester also includes dust collecting box, institute
State the lower section that dust collecting box exports (22) positioned at the semi-coke powder.
8. dust arrester according to claim 7, it is characterised in that be provided with level-sensing device on the dust collecting box.
9. the dust arrester according to any one of claim 6 to 8, it is characterised in that the dust arrester also includes valve
Body, the valve body includes：
First valve body (31), is arranged on the air intake branch (30)；
Second valve body (41), is arranged on the exhaust main (40), and by gas flow direction, the second valve body (41) position
In the downstream of the exhaust branch pipe (50)；
3rd valve body (51), be arranged on the exhaust branch pipe (50) positioned at the blowback arm (60) and the exhaust main
(40) on the pipeline section between；And
4th valve body (61), is arranged on the blowback arm (60).
10. dust arrester according to claim 9, it is characterised in that the valve body is high-temperature ball valve, high temperature butterfly valve or height
Warm gate valve.
11. dust arresters according to claim 1, it is characterised in that be provided with the inwall of the housing (10) heat-resisting
Anticorrosion abrasive resistant paint layer.
12. dust arresters according to claim 11, it is characterised in that the outer surface of the housing (10) is provided with first
Heat-insulation layer.
13. dust arresters according to claim 12, it is characterised in that the outer surface of the inlet manifold (20) is provided with
Second heat-insulation layer, the outer surface of the air intake branch (30) is provided with the 3rd heat-insulation layer, the outer surface of the exhaust main (40)
The 4th heat-insulation layer is provided with, the outer surface of the exhaust branch pipe (50) is provided with the 5th heat-insulation layer.
14. dust arresters according to claim 5, it is characterised in that the outer surface of the blowback house steward is provided with the 6th
Heat-insulation layer, the outer surface of the blowback arm (60) is provided with the 7th heat-insulation layer.
15. dust arresters according to claim 5, it is characterised in that the dust arrester also includes thermometer and pressure
Table, the thermometer and the pressure gauge are arranged on the blowback house steward, and by the flow direction of gas, the thermometer
With the upstream that the pressure gauge is respectively positioned on the blowback arm (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621046243.XU CN206103498U (en) | 2016-09-09 | 2016-09-09 | Dedusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621046243.XU CN206103498U (en) | 2016-09-09 | 2016-09-09 | Dedusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206103498U true CN206103498U (en) | 2017-04-19 |
Family
ID=58519628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621046243.XU Active CN206103498U (en) | 2016-09-09 | 2016-09-09 | Dedusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206103498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237736A (en) * | 2016-09-09 | 2016-12-21 | 新疆广汇中化能源技术开发有限公司 | Dust arrester |
-
2016
- 2016-09-09 CN CN201621046243.XU patent/CN206103498U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237736A (en) * | 2016-09-09 | 2016-12-21 | 新疆广汇中化能源技术开发有限公司 | Dust arrester |
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