CN209230309U - A kind of flue structure of cement producing line waste heat boiler - Google Patents
A kind of flue structure of cement producing line waste heat boiler Download PDFInfo
- Publication number
- CN209230309U CN209230309U CN201821976016.6U CN201821976016U CN209230309U CN 209230309 U CN209230309 U CN 209230309U CN 201821976016 U CN201821976016 U CN 201821976016U CN 209230309 U CN209230309 U CN 209230309U
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- Prior art keywords
- flue
- waste heat
- dust
- heat boiler
- uptake
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- 239000002918 waste heat Substances 0.000 title claims abstract description 44
- 239000004568 cement Substances 0.000 title claims abstract description 30
- 230000007704 transition Effects 0.000 claims abstract description 20
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 claims description 45
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 23
- 239000003546 flue gas Substances 0.000 claims description 23
- 239000003500 flue dust Substances 0.000 claims description 22
- 238000012423 maintenance Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 8
- 239000000779 smoke Substances 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model is a kind of flue structure of cement producing line waste heat boiler, belongs to waste heat boiler inlet flue duct and rotary kiln interconnection technique field；The utility model intends to solve the technical problem by providing a kind of flue structures of cement producing line waste heat boiler；In order to solve the above-mentioned technical problem, technical solution used by the utility model is；A kind of flue structure of cement producing line waste heat boiler, it include: flue ontology, flue ontology successively includes inlet flue duct, First Transition flue, uptake flue, the second transition flue duct and parallel flue along cigarette airflow direction, two guide grooves are set on the inner wall of uptake flue, the two sides of each guide groove are provided with limiting slot, limiting slot is connected to guide groove, uptake flue is internally provided with circular tube shaped bracket, bracket outer wall two sides are provided with gag lever post, gag lever post and limiting slot are clamped, and the inner wall of bracket is connected with several filter screens；The equipment is widely used in flue process field.
Description
Technical field
The utility model belongs to waste heat boiler inlet flue duct and rotary kiln interconnection technique field, and in particular to a kind of cement is raw
The flue structure of producing line waste heat boiler.
Background technique
Waste heat boiler be using in various industrial process exhaust gas, waste material or sensible heat in waste liquid or (and) its combustible
The boiler of the heat generated after burning.Oil burning boiler, the gas fired-boiler, coal-burning boiler recycled with smoke box, flue residue heat
Also referred to as waste heat boiler, waste heat boiler can produce hot water or steam by waste heat recycling to supply other workshop sections and use.
Dry cement production line low-temperature cogeneration technology is passed through using the middle low temperature waste gas that cement kiln end preheater is discharged
Connection flue enters kiln tail preheater waste heat boiler simultaneously, passes through clinker using the middle low temperature waste gas that kiln hood chamotte cooler is discharged
Cooling machine waste gas waste heat boiler realizes the energy utilization to waste heat.And the flue gas of cement plant dry cement production line cement kiln discharge
Main component be flue dust, SO2, NOx, fluoride etc., and flue dust, SO2, NOx, fluoride in flue gas etc. can be with flue gas one
It rising and enters in waste heat boiler, waste heat boiler can also be damaged by accumulating over a long period, shorten the service life of waste heat boiler, flue gas in flue
Filtering is particularly important.
Flue dust in existing flue carries out processing flue dust often through filter is installed in flue, however filter is pacified
Dress, cleaning and maintenance are inconvenient, generally require to carry out flue into dismounting processing, and the manpower and material resources that maintenance filter expends are larger；
Flue lime-ash cannot exclude in time simultaneously, easily accumulate, cause fugitive dust, influence the smoke discharging effect of flue so that most of flue gas into
Enter waste heat boiler, poor filtration effect reduces production efficiency, therefore, develops a kind of closed cement producing line waste heat boiler
Flue structure be current urgent problem to be solved.
Utility model content
The utility model overcomes filter poor filtration effect, filter dismounting inconvenience and filtering cigarette of the existing technology
The problem of dirt cannot exclude in time provides a kind of flue structure of cement producing line waste heat boiler.
In order to solve the above-mentioned technical problem, a kind of the technical solution adopted in the utility model are as follows: cement producing line waste heat pot
The flue structure of furnace, comprising: flue ontology, the flue ontology is for connecting cement rotary kiln and waste heat boiler, the flue
Ontology successively includes inlet flue duct, First Transition flue, uptake flue, the second transition flue duct and parallel cigarette along cigarette airflow direction
Two guide grooves are arranged on the inner wall of the uptake flue for road, and the guide groove extends along the axis direction of uptake flue, and every
The two sides of a guide groove are provided with limiting slot, and the limiting slot is connected to guide groove, and the limiting slot is along uptake flue
Circumferentially extending, the uptake flue is internally provided with circular tube shaped bracket, and bracket outer wall two sides are provided with gag lever post, institute
The both ends for stating gag lever post are arranged in guide groove, and the gag lever post and limiting slot are clamped, and the bottom end of the bracket is provided with funnel
Shape sieve, the funnel-form screen bottom are fixed with mobile bar, and the mobile bar is vertically arranged, and the inner wall of the bracket is connected with
Several filter screens have angle between the filtering surface of the filter screen and the passage section of flue gas；
Dust compartment is equipped at the inlet flue duct, the dust compartment is located at the connection of inlet flue duct and First Transition flue
Place, the dust compartment are located at the lower section of the uptake flue, and the dust compartment bottom is provided with maintenance door, the dust compartment side
It is provided with dust exhaust apparatus, the dust exhaust apparatus is for collecting flue dust；
The dust exhaust apparatus includes: air inlet, dirt catcher, negative-pressure air fan, motor and exhaust outlet, and the dust exhaust apparatus is circle
Cylindrical chamber, the dust filtration device are circular plate type filter screen, and dust exhaust apparatus is divided into two chambers by the dust filtration device, respectively the
One chamber and second chamber, described first chamber one end are provided with air inlet, and described second chamber one end is provided with exhaust outlet, institute
It states second chamber and is internally provided with negative-pressure air fan and motor, the motor provides power for negative-pressure air fan.
The filter screen is metal filter screen, has angle between the filtering surface of the filter screen and the passage section of flue gas
For 35 to 75 degree, the sieve mesh of the filter screen and funnel-form sieve is 150 mesh.
The limiting slot may be provided with multiple, and the limiting slot is evenly distributed on uptake flue.
The sieve mesh of the dust filtration device is 200 mesh.
First Transition flue and the second transition flue duct are bend pipe.
The utility model has an advantageous effect in that compared with prior art.
One, the flue structure for a kind of cement producing line waste heat boiler that the utility model uses, structure is simple, user
Just, along cigarette airflow direction, flue gas passes sequentially through funnel-form sieve and filter screen, filters off most flue dust in flue gas, effectively
Pollutant in filtering smoke, while the pollutant in flue gas also being avoided to enter corrosion and damage waste heat boiler in waste heat boiler, prolong
The service life of long waste heat boiler.
Two, the utility model use bracket can by the passage of mobile bar so that bracket can in guide groove on move down
It is dynamic, and inside the limiting slot of fixed proper height, and then the height of filter screen is adjustable, according to the tolerance of the flue gas in flue
And temperature, the height and quantity of filter screen is adjusted flexibly, thus realize the flue dust filtered in flue gas to greatest extent, meanwhile, filtering
There are angle between net and flue gas passage section, increase filter area, increase filter effect, the excessive flue used for bend pipe,
Conducive to flue gas rising, diversion effect is good, applied widely.
Three, the flue structure for a kind of cement producing line waste heat boiler that the utility model uses, the dust exhaust apparatus of use will
The pollutant of smoke dust filter filtering is periodically adsorbed and is collected, and is prevented flue dust from accumulating and is floated on flue inner wall, flue gas is dirty
Flue is contaminated, the working efficiency that flue removes smoke abatement is improved, reduces the accumulation of flue dust, improve the smoke discharging effect of flue；And it inhales
Dirt device reduces flue dust by using dirt catcher and enters second chamber, less dirt of the flue dust to the negative-pressure air fan in second chamber
Dye is destroyed, and the sustainability of flue dust collecting is improved.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the flue structure of the utility model cement producing line waste heat boiler.
Fig. 2 is the uptake flue structure chart of the flue structure of the utility model cement producing line waste heat boiler.
Fig. 3 is the dust exhaust apparatus mechanism map of the flue structure of the utility model cement producing line waste heat boiler.
Fig. 4 is the structure of the uptake flue passage section of the flue structure of the utility model cement producing line waste heat boiler
Figure.
1 is cement rotary kiln in figure, and 2 be waste heat boiler, and 3 be inlet flue duct, and 4 be First Transition flue, and 5 be rising cigarette
Road, 6 be the second transition flue duct, and 7 be parallel flue, and 8 be bracket, and 9 be gag lever post, and 10 be funnel-form sieve, and 11 be mobile bar, 12
For filter screen, 13 be dust compartment, and 14 be maintenance door, and 21 be air inlet, and 22 be dirt catcher, and 23 be negative-pressure air fan, and 24 be motor, 25
It is guide groove for exhaust outlet, 51,52 be limiting slot.
Specific embodiment
As shown in Figures 1 to 4, the flue structure of one of the present embodiment cement producing line waste heat boiler, comprising: flue sheet
Body, for connecting cement rotary kiln 1 and waste heat boiler 2, the flue ontology successively wraps the flue ontology along cigarette airflow direction
Inlet flue duct 3, First Transition flue 4, uptake flue 5, the second transition flue duct 6 and parallel flue 7 are included, the uptake flue 5
Two guide grooves 51 are set on inner wall, and the guide groove 51 extends along the axis direction of uptake flue 5, and each guide groove
51 two sides are provided with limiting slot 52, and the limiting slot 52 is connected to guide groove 51, and the limiting slot 52 is along uptake flue 5
Circumferentially extending, the uptake flue 5 are internally provided with circular tube shaped bracket 8, and the 8 outer wall two sides of bracket are provided with gag lever post 9,
The both ends of the gag lever post 9 are arranged in guide groove 51, and the gag lever post 9 is clamped with limiting slot 52, and the bottom end of the bracket 8 is set
It is equipped with funnel-form sieve 10,10 bottom of funnel-form sieve is fixed with mobile bar 11, and the mobile bar 11 is vertically arranged, described
The inner wall of bracket 8 is connected with several filter screens 12, has folder between the filtering surface of the filter screen 12 and the passage section of flue gas
Angle；
Dust compartment 13 is equipped at the inlet flue duct 3, the dust compartment 13 is located at inlet flue duct 3 and First Transition flue 4
Junction, the dust compartment 13 is located at the lower section of the uptake flue 5, and 13 bottom of dust compartment is provided with maintenance door 14,
13 side of dust compartment is provided with dust exhaust apparatus, and the dust exhaust apparatus is for collecting flue dust；
The dust exhaust apparatus includes: air inlet 21, dirt catcher 22, negative-pressure air fan 23, motor 24 and exhaust outlet 25, the suction
Dirt device is cylindrical chamber, and the dust filtration device 22 is circular plate type filter screen, and dust exhaust apparatus is divided into two by the dust filtration device 22
A chamber, respectively first chamber and second chamber, described first chamber one end are provided with air inlet 21, the second chamber one
End is provided with exhaust outlet 25, and the second chamber is internally provided with negative-pressure air fan 23 and motor 24, and the motor 24 is negative pressure wind
Machine 23 provides power.
The filter screen 12 is metal filter screen, is had between the filtering surface of the filter screen 12 and the passage section of flue gas
Angle is 35 to 75 degree, and the sieve mesh of the filter screen 12 and funnel-form sieve 10 is 150 mesh.
The limiting slot 52 may be provided with multiple, and the limiting slot 52 is evenly distributed on uptake flue 5.
The sieve mesh of the dust filtration device 22 is 200 mesh.
First Transition flue 4 and the second transition flue duct 6 are bend pipe.
The utility model flue operation when, flue gas from inlet flue duct 3 enter, along arc First Transition flue 4 into
Enter uptake flue 5, be successively arranged funnel-form sieve 10 and filter screen 12 along cigarette airflow direction in uptake flue 5, filters off in flue gas
The big flue dust of particle effectively filters the pollutant in flue gas, the pollutant in flue gas is avoided to enter corrosion and damage in waste heat boiler
Waste heat boiler extends the service life of waste heat boiler, and the number of filter screen 12 can freely be set by flue dust size and temperature,
And the use of bracket 8, can position of the flexible modulation filter screen 12 in flue, operability is big, when filter screen 12 needs to dismount
When cleaning, the maintenance door 14 of bottom is directly opened, bracket 8 is taken out and is cleared up.
The flue dust that dust compartment 13 is collected sucks flue dust by the air inlet 21 of dust exhaust apparatus, and flue dust is obstructed by dirt catcher 22
Inside first chamber, dirt catcher 22 prevents flue dust from entering second chamber, reduces destruction of the flue dust to negative-pressure air fan 23, second chamber
The interior rotation of motor 24 drives negative-pressure air fan 23 to rotate, and vacuum is formed at the impeller center on negative-pressure air fan 23, so that negative pressure wind
Machine 23 has the ability of sucking air, while the gas of extraction being discharged by exhaust outlet 25, to complete the collection of flue dust.
Above embodiment is merely exemplary to illustrate the principles of the present invention and its effect, and not for limitation, this is practical new
Type.Person skilled in the art can all repair above-described embodiment under the spirit and scope without prejudice to the utility model
Decorations improve.Therefore, all lift in the technical field has usually intellectual without departing from the revealed spirit of the utility model
With all equivalent modifications completed under technical idea or change, should be covered by the claim of the utility model.
Claims (5)
1. a kind of flue structure of cement producing line waste heat boiler characterized by comprising flue ontology, the flue ontology
For connecting cement rotary kiln (1) and waste heat boiler (2), the flue ontology successively includes inlet flue duct along cigarette airflow direction
(3), First Transition flue (4), uptake flue (5), the second transition flue duct (6) and parallel flue (7), the uptake flue (5)
Inner wall on two guide grooves (51) are set, the guide groove (51) extends along the axis direction of uptake flue (5), and each institute
The two sides for stating guide groove (51) are provided with limiting slot (52), and the limiting slot (52) is connected to guide groove (51), the limit
For slot (52) along the circumferentially extending of uptake flue (5), the uptake flue (5) is internally provided with circular tube shaped bracket (8), the branch
Frame (8) outer wall two sides are provided with gag lever post (9), and the both ends setting of the gag lever post (9) is in guide groove (51), the gag lever post
(9) it is clamped with limiting slot (52), the bottom end of the bracket (8) is provided with funnel-form sieve (10), the funnel-form sieve (10)
Bottom is fixed with mobile bar (11), and the mobile bar (11) is vertically arranged, and the inner wall of the bracket (8) is connected with several filter screens
(12), there is angle between the filtering surface of the filter screen (12) and the passage section of flue gas；
Dust compartment (13) are equipped at the inlet flue duct (3), the dust compartment (13) is located at inlet flue duct (3) and First Transition cigarette
The junction in road (4), the dust compartment (13) are located at the lower section of the uptake flue (5), dust compartment (13) the bottom setting
Have maintenance door (14), dust compartment (13) side is provided with dust exhaust apparatus, and the dust exhaust apparatus is for collecting flue dust；
The dust exhaust apparatus includes: air inlet (21), dirt catcher (22), negative-pressure air fan (23), motor (24) and exhaust outlet (25),
The dust exhaust apparatus is cylindrical chamber, and the dust filtration device (22) is circular plate type filter screen, and the dust filtration device (22) fills dust suction
It sets and is divided into two chambers, respectively first chamber and second chamber, described first chamber one end is provided with air inlet (21), institute
Second chamber one end to be stated to be provided with exhaust outlet (25), the second chamber is internally provided with negative-pressure air fan (23) and motor (24),
The motor (24) is that negative-pressure air fan (23) provide power.
2. a kind of flue structure of cement producing line waste heat boiler according to claim 1, it is characterised in that: the filtering
Net (12) is metal filter screen, and having angle between the filtering surface of the filter screen (12) and the passage section of flue gas is 35 to 75
The sieve mesh of degree, the filter screen (12) and funnel-form sieve (10) is 150 mesh.
3. a kind of flue structure of cement producing line waste heat boiler according to claim 2, it is characterised in that: the limit
Slot (52) may be provided with multiple, and the limiting slot (52) is evenly distributed on uptake flue (5).
4. a kind of flue structure of cement producing line waste heat boiler according to claim 3, it is characterised in that: the dust filtration
The sieve mesh of device (22) is 200 mesh.
5. special according to claim 1 to a kind of flue structure of cement producing line waste heat boiler described in 4 any claims
Sign is: First Transition flue (4) and the second transition flue duct (6) are bend pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821976016.6U CN209230309U (en) | 2018-11-28 | 2018-11-28 | A kind of flue structure of cement producing line waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821976016.6U CN209230309U (en) | 2018-11-28 | 2018-11-28 | A kind of flue structure of cement producing line waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209230309U true CN209230309U (en) | 2019-08-09 |
Family
ID=67505065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821976016.6U Active CN209230309U (en) | 2018-11-28 | 2018-11-28 | A kind of flue structure of cement producing line waste heat boiler |
Country Status (1)
| Country | Link |
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| CN (1) | CN209230309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715311A (en) * | 2019-10-21 | 2020-01-21 | 安徽金尚机械制造有限公司 | Integral flue of hot blast stove |
-
2018
- 2018-11-28 CN CN201821976016.6U patent/CN209230309U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715311A (en) * | 2019-10-21 | 2020-01-21 | 安徽金尚机械制造有限公司 | Integral flue of hot blast stove |
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Address after: 033400 No. 20, nandajing village, Zhike Town, Zhongyang County, Luliang City, Shanxi Province Patentee after: Shanxi Taoyuan environmental protection technology Co.,Ltd. Address before: 033400 No. 20, nandajing village, Zhike Town, Zhongyang County, Luliang City, Shanxi Province Patentee before: SHANXI SINOMA TAOYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |