CN206018677U - A kind of boiler tail dedusting mechanism - Google Patents
A kind of boiler tail dedusting mechanism Download PDFInfo
- Publication number
- CN206018677U CN206018677U CN201620848165.9U CN201620848165U CN206018677U CN 206018677 U CN206018677 U CN 206018677U CN 201620848165 U CN201620848165 U CN 201620848165U CN 206018677 U CN206018677 U CN 206018677U
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- CN
- China
- Prior art keywords
- flue dust
- smoke
- mixing tube
- intake pipe
- mixing
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Abstract
The utility model is related to a kind of boiler tail dedusting mechanism, including smoke-intake pipe, exhaust duct, mixing tube and collecting vessel；Smoke-intake pipe, exhaust duct and collecting vessel are both connected on mixing tube；Wherein mixing tube includes the mixing cavity of a closing, some flue dust capture faces are provided with mixing cavity, some through holes for carrying out flue gas circulation are densely covered with flue dust capture face, spraying mechanism is provided with the top of mixing cavity, by spraying mechanism so that the air in flue dust capture face and mixing cavity inside space keeps moistening, while capture face by spraying mechanism to flue dust continuously being rinsed；Wherein collecting vessel is connected to the lower section of mixing tube, and the mixing liquid that sprinkling is washed down is collected；Exhaust duct is connected to the top of mixing tube, is provided with a negative-pressure air-flow drive mechanism for providing negative pressure in exhaust duct, drives the flue gas entered from smoke-intake pipe to capture face towards flue dust by negative-pressure air-flow drive mechanism；Smoke-intake pipe is connected on the side wall of mixing tube.
Description
Technical field
The utility model is related to a kind of dedusting environment friendly component for boiler tail, belongs to a kind of boiler tail dust removal machine
Structure.
Background technology
In fluidization boiler, although tail flue gas can separate the flue dust and powder of the overwhelming majority through cyclone separator
Coal ash, but still have substantial portion of flue dust and can be drained in air with tail flue gas, the pollution of environment is caused, with
When corresponding cleaning equipment is also lacked for gases such as sulfur dioxide, sulfur trioxides, also can be drained into air with tail flue gas
In, meeting environment causes serious pollution；These flue dust and acid air can also corrode inner wall of stack simultaneously, occur in inner wall of stack
Caking and local corrosion so that the flow resistance of chimney becomes big, and intensity step-down can badly influence the smoke exhaust efficiency of boiler, right
Boiler attendance person and boiler bring certain harmful effect in itself, and the dust flue gas for discharging in addition also bring larger shadow to environment
Ring.
Utility model content
The technical problems to be solved in the utility model is：Overcome legacy equipment ash disposal efficiency in prior art low and flow resistance
A kind of larger technical problem, there is provided boiler tail dedusting mechanism.
The utility model solves the technical scheme adopted by its technical problem：
A kind of boiler tail dedusting mechanism, including smoke-intake pipe, exhaust duct, mixing tube and collecting vessel；Smoke-intake pipe, exhaust duct and
Collecting vessel is both connected on mixing tube；Wherein mixing tube includes the mixing cavity of a closing, if being provided with mixing cavity
Dry flue dust captures face, is densely covered with some through holes for carrying out flue gas circulation on flue dust capture face, sets at the top of mixing cavity
Spraying mechanism is equipped with, by spraying mechanism so that the air in flue dust capture face and mixing cavity inside space keeps moistening, while
Face is captured by spraying mechanism to flue dust continuously to be rinsed；Wherein collecting vessel is connected to the lower section of mixing tube, clear to spraying
Wash the mixing liquid that gets off to be collected；Exhaust duct is connected to the top of mixing tube, and being provided with one in exhaust duct is used for carrying
For the negative-pressure air-flow drive mechanism of negative pressure, the flue gas entered from smoke-intake pipe is driven to catch towards flue dust by negative-pressure air-flow drive mechanism
Obtain face；The smoke-intake pipe is connected on the side wall of mixing tube, and the link position of smoke-intake pipe captures the installation site pair in face with flue dust
Should, wherein smoke-intake pipe is more than or equal to 0 ° with the angle on ground, less than or equal to 90 °.
Further innovate as of the present utility model, the flue dust capture face is netted or orifice plate shape.
Further innovate as of the present utility model, the flue dust capture face includes that some arrays are arranged on mixing inside pipe wall
Flue dust capture board.
Further innovate as of the present utility model, the spraying mechanism includes that is arranged on the spray in exhaust duct
Pipe, is provided with the shower nozzle of gondola water faucet shape on the shower.
Further innovate as of the present utility model, fixed by a screw rod between the flue dust capture board, in screw rod
On be provided with some nuts for clamping flue dust capture board, the end of the screw rod is fixed on the inwall of mixing tube.
Further innovate as of the present utility model, the flue dust capture face is the shaping drum that several are arranged concentrically
Face, the top of the cylindrical cavity that aforementioned each shaping drum face is constituted are connected with exhaust duct, and the top side of outermost ring surface
It is tightly connected between wall and mixing tube top sidewall.
Further innovate as of the present utility model, the spraying mechanism include some along mixing tube axial array arrange
Shower plate, is provided with the spray gap for water conservancy diversion, in addition to the shower plate of bottommost, each shower plate between the shower plate
Middle part is additionally provided with pod apertures；The diameter with diameter greater than bottom spray plate pod apertures of wherein top spray plate pod apertures.
Further innovate as of the present utility model, the collecting vessel includes an open-topped tubbiness space, receiving
Collection bucket in be provided with separate lauter tub, described separate lauter tub open top and connect with the bottom of mixing tube, separation lauter tub on
It is densely covered with water sorting hole.It is tightly connected between the inwall of the collecting vessel and the outer wall for separating lauter tub.
Further innovate as of the present utility model, the bottom of the collecting vessel is connected with a drainpipe, the draining
Pipe is connected with spraying mechanism by a circulating pump.
Further innovate as of the present utility model, on the smoke-intake pipe one end, with the link position of mixing tube also
Moistureproof section of the axis with ground angle more than 0 ° is provided with, smoke-intake pipe passes through protection against the tide with the condensed water of mixing tube link position
Section is added dropwise in collecting vessel.
The beneficial effects of the utility model are：
1st, compared to traditional soot blower, the utility model is absorbed to flue gas the utility model using water, and is led to
The separating mechanism of a filtration is crossed, while insoluble or sparingly soluble gas is well discharged in flue gas is ensured, is realized
Separation to waste gas and particulate matter and soluble impurity, can be separated with liquid to particulate matter by filter, be easy to
The recovery of grain thing, prevents particulate matter from polluting water and soil；In addition, tubbiness mechanism of the present utility model is unusual just
In cleaning, also without dismantling to whole equipment while cleaning.
2nd, the inclination angle between smoke-intake pipe and moistureproof section and ground can prevent the steam of spraying mechanism from entering into smoke-intake pipe, lead
Cause smoke-intake pipe inwall that local cooling occurs so that the particle in flue gas lumps entering inside pipe wall, so as to cause smoke-intake pipe
Blocking.
3rd, the flue dust capture board that array is arranged can greatly improve the contact area of flue dust and water curtain.
4th, flue dust capture board timely can be carried out more to the flue dust capture board of Severe blockage by the way of screw rod fixation
Change.
5th, the flue dust capture face of shaping drum planar greatly improves the capture rate and contact area of flue dust, improves
The filter effect of flue dust, and carry out welding using general wire netting both sides and be obtained with, maintenance cost is low.
6th, more difficult blocking of the spray structure of tabular compared to mesh, and water yield is big；In addition the spray of tabular
Structural maintenance cost is also lower, can be obtained using all kinds of exotic materials.
7th, collecting vessel of the present utility model can easily realize the separation between water and flue dust impurity, convenient disassembly, no
Easily water source is polluted.
What the 8th, cycling use of water can reduce factory uses water cost, increases the benefit.
Description of the drawings
With reference to the accompanying drawings and examples the utility model is further illustrated.
Fig. 1 is the structure total figure of embodiment 1；
Fig. 2 is the schematic diagram of 1 collecting vessel of embodiment；
Fig. 3 is the structural representation that 1 flue dust of embodiment captures plate array；
Fig. 4 is the structural representation A of 1 flue dust capture board of embodiment；
Fig. 5 is the structural representation B of 1 flue dust capture board of embodiment；
Fig. 6 is the structure total figure of embodiment 2.
In figure：
Specific embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Basic structure of the present utility model is only described in a schematic way, therefore which only shows the composition relevant with the utility model.
Embodiment 1
As shown in Fig. 1 ~ 3, the utility model is a kind of tail flue gas purifier of employing flue dust capture board 5-3 structures,
Which mainly includes that smoke-intake pipe 1, exhaust duct 7, mixing tube 4 and collecting vessel 3, wherein smoke-intake pipe 1 are vertically arranged the side wall of mixing tube 4
On, collecting vessel 3 is connected to below mixing tube 4, and exhaust duct 7 is connected to above mixing tube 4；
Smoke-intake pipe 1 is connected on mixing tube 4 by an anti-drip section 2 inclined and ground between so that smoke-intake pipe 1
Level height prevents the water droplet in mixing tube 4 from entering into into cigarette higher than smoke-intake pipe 1 and the level height of 4 link position of mixing tube
In pipe 1, flue gas in smoke-intake pipe 1 is caused to lump；
Mixing tube 4 is a tubular cavity, is provided with flue dust capture plate array 5 in mixing tube 4, and flue dust captures plate array
5 as shown in figure 3, be fixed to the support bar 5-2 on 4 inwall of mixing tube including two by fixed block 5-1, fixed block 5-1 is welded
In 4 outer wall of mixing tube, support bar 5-2 is screwed pipe, and being fixedly clamped by nut on support bar 5-2 has some flue dust capture boards
5-3, realizes the absorption and separation to impurity in flue gas by the flue dust capture board 5-3 to moistening；
The structure of flue dust capture board 5-3 mainly has two kinds, and as shown in Figure 4 and Figure 5, one kind is to include a housing 5-3-1,
The fixing hole for being connected with support bar 5-2 is provided with housing 5-3-1, while supporting inframe to be provided with metal or fiber
Filter screen 5-3-2；Another kind of then be hard tabular 5-3-4, be machined with an upper portion thereof for the fixing hole being connected with support bar 5-2 with
And be densely covered with some for breathing freely and cross the flow orifice 5-3-3 of water；Flue dust and steam are on the surface of aforesaid flue dust capture board 5-3
Contact, lowers the temperature and so that the solvable and insoluble impurity in flue dust is adsorbed with water, and finally drips under gravity
Fall in collecting vessel 3.
If Fig. 2 collecting vessels 3 are double-decker, the outside shell 3-4 for a closing, internal is one open-topped point
From lauter tub 3-3, a connection ring for being connected with mixing tube 4 is provided with the top of shell 3-4, while shell 3-4's
Top is additionally provided with a support ring for fixedly separated lauter tub 3-3, has also matched one in the openend for separating lauter tub 3-3
Anti-blocking cover plate 3-1, anti-blocking cover plate 3-1 are pyramidal structure, offer some clearance holes at an upper portion thereof, volume can be prevented larger
Impurity is entered into and is separated in lauter tub 3-3；Separate lauter tub 3-3 to be made using wire netting 3-2, and in order to ensure separating effect,
The mixed structure that lauter tub 3-3 can adopt multiple layer metal net 3-2 is separated, filtration energy can be improved to add fiber in outer wall
Power；A drainpipe 3-5 is additionally provided with the bottom of shell 3-4, it is possible to achieve recycling for the water that isolates, is reduced into
This.
Exhaust duct 7 is mainly used in discharging hot-air, and provides driving force for flue gas towards flue dust capture board 5-3, in air draft
Shower 6 is provided with pipe 7, spray head is provided with shower 6, why spray head is arranged in exhaust duct 7, be in order to
Prevent shower 6 from causing to reduce into strict control exhaust gas temperature too close to smoke-intake pipe 1 so that the sour gas in smoke-intake pipe 1 is sent out
Raw condensation causes smoke-intake pipe 1 to corrode, while be also prevented from 1 interior temperature of smoke-intake pipe spending low, lumps.
Embodiment 2
As shown in fig. 6, the utility model is a kind of tail flue gas purifier of employing flue dust capture board 5-3 structures, its
Mainly include that smoke-intake pipe 1, exhaust duct 7, mixing tube 4 and collecting vessel 3, wherein smoke-intake pipe 1 are vertically arranged on the side wall of mixing tube 4,
Collecting vessel 3 is connected to below mixing tube 4, and exhaust duct 7 is connected to above mixing tube 4；
Smoke-intake pipe 1 is connected on mixing tube 4 by an anti-drip section 2 inclined and ground between so that smoke-intake pipe 1
Level height prevents the water droplet in mixing tube 4 from entering into into cigarette higher than smoke-intake pipe 1 and the level height of 4 link position of mixing tube
In pipe 1, flue gas in smoke-intake pipe 1 is caused to lump；
Mixing tube 4 is a tubular cavity 13 with collecting vessel 3 in integrative-structure, sets in the bottom of this tubular cavity 13
A dismountable release sleeve is equipped with, the bottom of release sleeve is enclosed construction, two are provided with release sleeve with one heart
Annular release net 10, be fixedly connected by connecting pole 11 between separate mesh, fix one on the bottom of annular release net 10
Filter plate 9 is separated, and to be separated and a draining cavity 12 is provided between filter plate 9 and release sleeve bottom, is connected with draining cavity 12
Drainpipe 3-5, realized the recycling of water after filter；
And separate mesh includes the flue dust capture net of the water of bottom, impurity segregation section and top, in annular release net 10
Top is additionally provided with spraying mechanism, and spraying mechanism includes some shower plates 8 arranged along 4 axial array of mixing tube, the spray
The spray gap for water conservancy diversion is provided between plate 8, and in addition to the shower plate 8 of bottommost, the middle part of each shower plate 8 is additionally provided with
One pod apertures；The diameter with diameter greater than 8 pod apertures of bottom spray plate of wherein 8 pod apertures of top spray plate, so that water
Can spray from the spray gap between shower plate 8, spread the inwall to annular release net 10, while for the effect for ensureing sprinkling
Really, the height of internal annular release net 10 is less than outside annular release net 10；
Exhaust duct 7 is mainly used in discharging hot-air, and provides driving force for flue gas towards flue dust capture board 5-3, in air draft
Shower 6 is provided with pipe 7, shower 6 is sprayed water towards in the middle part of spraying mechanism, why spray head is arranged on exhaust duct
In 7, be in order to prevent shower 6 cause too close to smoke-intake pipe 1 into strict control exhaust gas temperature reduce so that in smoke-intake pipe 1
Sour gas occurs condensation causes smoke-intake pipe 1 to corrode, while be also prevented from 1 interior temperature of smoke-intake pipe spending low, lumps；
Exhaust duct 7 is connected to inside annular release net 10 simultaneously so that flue gas can be under the driving of negative pressure, towards separation
Net is internal mobile so that flue gas can be with contacting with two separate net so that the DDGS and insoluble thing in flue gas is inhaled
Attached.
With above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work people
Member can carry out various change and modification completely in the range of without departing from this utility model technological thought.This reality
The content being not limited to new technical scope on specification, it is necessary to determine its technology according to right
Property scope.
Claims (10)
1. a kind of boiler tail dedusting mechanism, is characterized in that：Including smoke-intake pipe, exhaust duct, mixing tube and collecting vessel；Smoke-intake pipe,
Exhaust duct and collecting vessel are both connected on mixing tube；Wherein mixing tube includes the mixing cavity of a closing, in mixing cavity
Some flue dust capture faces are provided with, some through holes for carrying out flue gas circulation on flue dust capture face, are densely covered with, in mixing cavity
Top be provided with spraying mechanism, by spraying mechanism so that the air in flue dust capture face and mixing cavity inside space keeps wet
Profit, while capture face by spraying mechanism to flue dust continuously rinsed；Wherein collecting vessel is connected to the lower section of mixing tube, right
The mixing liquid that sprinkling is washed down is collected；Exhaust duct is connected to the top of mixing tube, is provided with one in exhaust duct
For providing the negative-pressure air-flow drive mechanism of negative pressure, the flue gas direction entered from smoke-intake pipe is driven by negative-pressure air-flow drive mechanism
Flue dust captures face；The smoke-intake pipe is connected on the side wall of mixing tube, and the link position of smoke-intake pipe captures the installation in face with flue dust
Position is corresponding, and wherein smoke-intake pipe is more than or equal to 0 ° with the angle on ground, less than or equal to 90 °.
2. a kind of boiler tail dedusting mechanism as claimed in claim 1, is characterized in that：Flue dust capture face for netted or
Orifice plate shape.
3. a kind of boiler tail dedusting mechanism as claimed in claim 1, is characterized in that：The flue dust capture face includes some battle arrays
Row are arranged on the flue dust capture board of mixing inside pipe wall.
4. a kind of boiler tail dedusting mechanism as claimed in claim 3, is characterized in that：The spraying mechanism includes a setting
Shower in exhaust duct, is provided with the shower nozzle of gondola water faucet shape on the shower.
5. a kind of boiler tail dedusting mechanism as claimed in claim 3, is characterized in that：Pass through one between the flue dust capture board
Individual screw rod is fixed, and is provided with some nuts for clamping flue dust capture board on screw rod, and the end of the screw rod is fixed on mixed
Close the inwall of pipe.
6. a kind of boiler tail dedusting mechanism as claimed in claim 1, is characterized in that：The flue dust capture face is same for several
The shaping drum face that the heart is arranged, the top of the cylindrical cavity that aforementioned each shaping drum face is constituted are connected with exhaust duct, and outermost
It is tightly connected between the top sidewall of side ring surface and mixing tube top sidewall.
7. a kind of boiler tail dedusting mechanism as claimed in claim 6, is characterized in that：The spraying mechanism includes that some edges are mixed
The shower plate that pipe axial array is arranged is closed, and the spray gap for water conservancy diversion is provided between the shower plate, except the spray of bottommost
Drench outside plate, in the middle part of each shower plate, be additionally provided with pod apertures；Wherein top spray plate pod apertures with diameter greater than bottom
The diameter of shower plate pod apertures.
8. a kind of boiler tail dedusting mechanism as claimed in claim 1, is characterized in that：The collecting vessel includes that a top is opened
The tubbiness space of mouth, is provided with separation lauter tub, the open top for separating lauter tub and the bottom with mixing tube in collecting vessel
Connection, on lauter tub is separated is densely covered with water sorting hole, is tightly connected between the inwall of the collecting vessel and the outer wall for separating lauter tub.
9. a kind of boiler tail dedusting mechanism as claimed in claim 8, is characterized in that：The bottom of the collecting vessel is connected with one
Individual drainpipe, the drainpipe are connected with spraying mechanism by a circulating pump.
10. a kind of boiler tail dedusting mechanism as claimed in claim 1, is characterized in that：In the smoke-intake pipe one end, and mixed
Moistureproof section of the axis with ground angle more than 0 °, smoke-intake pipe and mixing tube connection position is additionally provided with the link position for closing pipe
The condensed water that puts is added dropwise in collecting vessel by moistureproof section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620848165.9U CN206018677U (en) | 2016-08-08 | 2016-08-08 | A kind of boiler tail dedusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620848165.9U CN206018677U (en) | 2016-08-08 | 2016-08-08 | A kind of boiler tail dedusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206018677U true CN206018677U (en) | 2017-03-15 |
Family
ID=58248542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620848165.9U Expired - Fee Related CN206018677U (en) | 2016-08-08 | 2016-08-08 | A kind of boiler tail dedusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206018677U (en) |
-
2016
- 2016-08-08 CN CN201620848165.9U patent/CN206018677U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20170808 |