CN207365729U - The flue structure of dry cement production line waste heat boiler - Google Patents
The flue structure of dry cement production line waste heat boiler Download PDFInfo
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- CN207365729U CN207365729U CN201721319961.4U CN201721319961U CN207365729U CN 207365729 U CN207365729 U CN 207365729U CN 201721319961 U CN201721319961 U CN 201721319961U CN 207365729 U CN207365729 U CN 207365729U
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- flue
- filter screen
- retainer ring
- waste heat
- heat boiler
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Abstract
The utility model discloses a kind of flue structure of dry cement production line waste heat boiler, including flue body, the flue body includes inlet flue duct, First Transition flue, uptake flue, the second transition flue duct and parallel flue, the uptake flue is equipped with filtration apparatus, the filtration apparatus includes primary filtration network and intermediate filter screen, the primary filtration network is equipped with two first hooks, and the middle rank filter screen is equipped with two second hooks；The uptake flue is equipped with retainer ring, and the retainer ring is equipped with four and respectively the first retainer ring, the second retainer ring, the 3rd retainer ring and the 4th retainer ring；The inlet flue duct is equipped with dust compartment.The utility model improves the arrangement of flue, and increases filtration apparatus in flue, removes flue dust, SO in flue gas2、NOx, fluoride etc., avoid flue gas corrosion damage flue and waste heat boiler, extend the service life of waste heat boiler；Filtration apparatus is set to detachable structure, easy to repair and maintenance.
Description
Technical field
The utility model is specifically related to a kind of flue structure of dry cement production line waste heat boiler, belong to waste heat boiler into
Mouth flue and rotary kiln interconnection technique field.
Background technology
Waste heat boiler be utilize exhaust gas, waste material or sensible heat in waste liquid in various industrial process or (and) its combustible
The boiler of the heat produced after burning.Oil burning boiler, gas fired-boiler, the 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 recovery and be used to supply other workshop sections.
Dry cement production line low-temperature cogeneration technology is led to using the middle low temperature waste gas of cement kiln tail preheater discharge
Cross connection flue and enter kiln tail preheater waste heat boiler (SP stoves) at the same time, the middle low temperature waste gas for utilizing kiln hood chamotte cooler to discharge
Energy utilization to waste heat is realized by clinker cooling machine waste gas waste heat boiler (AQC stoves).And cement plant dry cement production line
The main component of the flue gas of cement kiln discharge is flue dust, SO2、NOx, fluoride etc., flue gas for a long time can produce flue by flue
Raw corrosion, causes to damage, and flue dust, SO in flue gas2、NOx, fluoride etc. can enter with flue gas in waste heat boiler, day
The product moon, which tires out, can also damage waste heat boiler, shorten the service life of waste heat boiler.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of flue knot of dry cement production line waste heat boiler
Structure, improves the arrangement of flue, and increases filtration apparatus in flue, removes flue dust, SO in flue gas2、NOx, fluoride etc.,
Flue gas corrosion damage flue and waste heat boiler are avoided, extends the service life of waste heat boiler；Filtration apparatus is set to detachable structure,
Easy to repair and maintenance.
In order to solve the above technical problems, the technical solution that the utility model uses is：A kind of dry cement production line
The flue structure of waste heat boiler, including flue body, the flue body is used to connect cement rotary kiln and waste heat boiler, described
Flue body along cigarette airflow direction successively include inlet flue duct, First Transition flue, uptake flue, the second transition flue duct with it is parallel
Flue, the uptake flue are equipped with filtration apparatus, and the filtration apparatus includes section with flue body along cigarette airflow direction successively
The primary filtration network and intermediate filter screen that face shape is adapted, the primary filtration network are equipped with two first hooks and described in two
First hook is respectively symmetrically arranged on the edge of primary filtration network, the company of rotation between first hook and the primary filtration network
Connect, the middle rank filter screen is equipped with two second hooks and two second hooks are respectively symmetrically arranged on the side of intermediate filter screen
Edge, is rotatablely connected between second hook and the intermediate filter screen；
The uptake flue is equipped with the retainer ring for being used for installing primary filtration network and intermediate filter screen, and the retainer ring is equipped with
Four and be respectively the first retainer ring, the second retainer ring, the 3rd retainer ring and the 4th solid set gradually along the direction of flue gas stream
Determine ring, first retainer ring and the 4th retainer ring are arranged on the side of uptake flue, and second retainer ring and the 3rd consolidate
Surely it is located on the opposite side of uptake flue；
The primary filtration network is inserted in the first retainer ring respectively by two first hooks and the second retainer ring realizes connection,
There is the first angle between the filtering surface of the primary filtration network and the passage section of flue gas；The middle rank filter screen passes through two
Second hook is inserted in the 3rd retainer ring and the 4th retainer ring respectively realizes connection, the filtering surface of the middle rank filter screen and flue gas
There is the second angle between passage section；
The inlet flue duct is equipped with dust compartment and positioned at the junction of the inlet flue duct and the First Transition flue, institute
The lower section that dust compartment is located at the uptake flue is stated, is detachably connected between the inlet flue duct and the First Transition flue,
The junction is equipped with sealing ring.
Further say, the middle rank filter screen includes first layer filter screen and second layer filter screen, the first layer mistake
Gap is equipped between strainer and the second layer filter screen, one layer of quick lime layer is equipped with the gap.
Further say, the size of first angle is 30-60 °.
Furthermore, the size of first angle is 45 °.
Further say, the size of second angle is 30-60 °.
Furthermore, the size of second angle is 45 °.
Further say, the First Transition flue is bend pipe.
Further say, second transition flue duct is bend pipe.
Further say, the first layer filter screen of the middle rank filter screen is identical with the mesh number of second layer filter screen.
Further say, the mesh number of the middle rank filter screen is more than the mesh number of the primary filtration network.
Further say, the primary filtration network is metal filter screen.
Further say, the middle rank filter screen is catalyst coating strainer.
The beneficial effects of the utility model at least have it is following some：
First, flue body includes inlet flue duct, First Transition flue, uptake flue, the second transition cigarette in the utility model
Road and parallel flue, flue gas enter from inlet flue duct, enter uptake flue along First Transition flue, along flue gas in uptake flue
Flow direction and be equipped with primary filtration network and intermediate filter screen successively, flue gas filters off the cigarette that particle is big in flue gas by primary filtration network
Dirt, then pass through intermediate filter screen, the small flue dust of the particle in elimination flue gas, intermediate filter screen is set to two layers and is equipped with one in centre
Layer quick lime, for filtering off the acidic oxide in flue gas, by two layers of filtering, effectively filters the pollutant in flue gas, avoids
Flue gas corrosion flue, while also avoid the pollutant in flue gas from entering corrosion and damage waste heat boiler in waste heat boiler, extend flue
With the service life of waste heat boiler；
2nd, First Transition flue is set to bend pipe in the utility model, enters uptake flue from inlet flue duct beneficial to flue gas, leads
It is good to flow effect；The section of second transition flue duct is also set to bend pipe, steadily enters parallel flue from uptake flue beneficial to flue gas, so that
Into waste heat boiler, water conservancy diversion effect is good；
3rd, the primary filtration network of the utility model and intermediate filter screen are all equipped with two hooks and two are linked up with respectively symmetrically
Be arranged at the edge of filter screen, be rotatablely connected between hook and filter screen, uptake flue be equipped be used to installing primary filtration network and
The retainer ring of intermediate filter screen, primary filtration network and intermediate filter screen are inserted in retainer ring and are realized by hook respectively detachably to be connected
Connect, easy to repair and maintenance, practicality are good；
4th, the utility model in uptake flue along the direction of flue gas stream successively be equipped with the first retainer ring, the second retainer ring,
3rd retainer ring and the 4th retainer ring, the first retainer ring and the 4th retainer ring be arranged on uptake flue side, the second retainer ring and
3rd retainer ring is arranged on the opposite side of uptake flue；The utility model shifts to install four retainer rings two-by-two, makes primary, middle rank
There is angle between filter screen and flue gas passage section, increases filter area, increase filter effect, and angle is set to 45 °
When, filter effect is optimal；
5th, the inlet flue duct of the utility model is equipped with dust compartment and positioned at the connection of inlet flue duct and First Transition flue
Place, and dust compartment is located at the lower section of uptake flue, flue gas passes through the particulate matter of filtration apparatus filtering, dust compartment is fallen into, easy to cigarette
Dirt is collected；It is detachably connected between inlet flue duct and First Transition flue, junction is equipped with sealing ring, and inlet flue duct is set to can
Dismantling connection, easy to periodically clear up dust compartment, practicality is good；
6th, the catalyst coating strainer of the utility model be screen surface be coated with denitrogenation catalyst, make strainer have dedusting with
Denitrification functions, and quick lime absorbent is set in intermediate strainer, it can also remove sulfur dioxide, nitrogen oxides etc., filter effect
It is good；In addition, catalyst coating strainer, which belongs to high temperature resistant, considers material, it can be suitable for for a long time under hot environment, be hardly damaged, it is durable.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of the uptake flue of the utility model；
Each several part mark is as follows in attached drawing：
Cement rotary kiln 1, waste heat boiler 2, inlet flue duct 3, First Transition flue 4, uptake flue 5, the second transition flue duct
6th, parallel flue 7, filtration apparatus 8, primary filtration network 9, intermediate 11, second hook of the hook of filter screen 10, first 12, first are fixed
Ring 13, the second retainer ring 14, the 3rd retainer ring 15, the 4th retainer ring 16 and dust compartment 17.
Embodiment
The preferred embodiment to the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, so as to make the scope of protection of the utility model apparent clear and definite
Define.
Embodiment：A kind of flue structure of dry cement production line waste heat boiler, as Figure 1-Figure 2, including flue sheet
Body, the flue body are used to connect cement rotary kiln 1 and waste heat boiler 2, and the flue body wraps successively along cigarette airflow direction
Inlet flue duct 3, First Transition flue 4, uptake flue 5, the second transition flue duct 6 is included to be equipped with parallel flue 7, the uptake flue
Filtration apparatus 8, the filtration apparatus include the primary mistake being adapted with the cross sectional shape of flue body along cigarette airflow direction successively
Strainer 9 and intermediate filter screen 10, the primary filtration network is equipped with two first hooks 11 and two first hooks are right respectively
Claim to be rotatablely connected between the edge of primary filtration network, first hook and the primary filtration network, the middle rank filtering
Net is equipped with two second hooks 12 and two second hooks are respectively symmetrically arranged on the edge of intermediate filter screen, and described second hangs
It is rotatablely connected between hook and the intermediate filter screen；
The uptake flue is equipped with the retainer ring for being used for installing primary filtration network and intermediate filter screen, and the retainer ring is equipped with
Four and be respectively set gradually along the direction of flue gas stream the first retainer ring 13, the second retainer ring 14,15 and of the 3rd retainer ring
4th retainer ring 16, first retainer ring and the 4th retainer ring are arranged on the side of uptake flue, second retainer ring
The opposite side of uptake flue is arranged on the 3rd retainer ring；
The primary filtration network is inserted in the first retainer ring respectively by two first hooks and the second retainer ring realizes connection,
There is the first angle between the filtering surface of the primary filtration network and the passage section of flue gas；The middle rank filter screen passes through two
Second hook is inserted in the 3rd retainer ring and the 4th retainer ring respectively realizes connection, the filtering surface of the middle rank filter screen and flue gas
There is the second angle between passage section；
The inlet flue duct is equipped with dust compartment 17 and is located at the junction of the inlet flue duct and the First Transition flue,
The dust compartment is located at the lower section of the uptake flue, detachably connects between the inlet flue duct and the First Transition flue
Connect, the junction is equipped with sealing ring.
The middle rank filter screen includes first layer filter screen and second layer filter screen, the first layer filter screen and described the
Gap is equipped between two layers of filter screen, one layer of quick lime layer is equipped with the gap.
The size of first angle is 30-60 °.
In the present embodiment preferably, the size of first angle is 45 °.
The size of second angle is 30-60 °.
In the present embodiment preferably, the size of second angle is 45 °.
The First Transition flue is bend pipe.
Second transition flue duct is bend pipe.
The first layer filter screen of the middle rank filter screen is identical with the mesh number of second layer filter screen.
The mesh number of the middle rank filter screen is more than the mesh number of the primary filtration network.
The primary filtration network is metal filter screen.
The middle rank filter screen is catalyst coating strainer.
The course of work and operation principle of the utility model are as follows：
In the utility model flue body include inlet flue duct, First Transition flue, uptake flue, the second transition flue duct and
Parallel flue, flue gas enter from inlet flue duct, enter uptake flue along the First Transition flue of arc, along cigarette in uptake flue
Airflow direction is equipped with primary filtration network and intermediate filter screen successively, and it is big to filter off particle in flue gas by primary filtration network for flue gas
Flue dust, then pass through intermediate filter screen, the small flue dust of the particle in elimination flue gas, intermediate filter screen is set to two layers and is equipped with centre
One layer of quick lime, for filtering off the acidic oxide in flue gas, by two layers of filtering, effectively filters the pollutant in flue gas, keeps away
Exempt from flue gas corrosion flue, while also avoid the pollutant in flue gas from entering corrosion and damage waste heat boiler in waste heat boiler, extend cigarette
The service life in road and waste heat boiler.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure transformation made based on the specification and figures of the utility model, it is relevant to be directly or indirectly used in other
Technical field, is equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of flue structure of dry cement production line waste heat boiler, including flue body, the flue body is used to connect
Cement rotary kiln (1) and waste heat boiler (2), it is characterised in that：The flue body includes import cigarette successively along cigarette airflow direction
Road (3), First Transition flue (4), uptake flue (5), the second transition flue duct (6) are set with parallel flue (7), the uptake flue
There is filtration apparatus (8), the filtration apparatus includes being adapted with the cross sectional shape of flue body first successively along cigarette airflow direction
Level filter screen (9) and intermediate filter screen (10), the primary filtration network are equipped with two first hooks (11) and two described first
Hook is respectively symmetrically arranged on the edge of primary filtration network, is rotatablely connected between first hook and the primary filtration network, institute
State the side that intermediate filter screen is respectively symmetrically arranged on intermediate filter screen equipped with two second hooks (12) and two second hooks
Edge, is rotatablely connected between second hook and the intermediate filter screen；
The uptake flue is equipped with the retainer ring for being used for installing primary filtration network and intermediate filter screen, and the retainer ring is equipped with four
And it is respectively the first retainer ring (13), the second retainer ring (14), the 3rd retainer ring (15) set gradually along the direction of flue gas stream
With the 4th retainer ring (16), first retainer ring and the 4th retainer ring are arranged on the side of uptake flue, second retainer ring
The opposite side of uptake flue is arranged on the 3rd retainer ring；
The primary filtration network is inserted in the first retainer ring respectively by two first hooks and the second retainer ring realizes connection, described
There is the first angle between the filtering surface of primary filtration network and the passage section of flue gas；The middle rank filter screen passes through two second
Hook is inserted in the 3rd retainer ring and the 4th retainer ring respectively realizes connection, the filtering surface of the middle rank filter screen and flue gas it is through-flow
There is the second angle between section；
The inlet flue duct is equipped with dust compartment (17) and positioned at the junction of the inlet flue duct and the First Transition flue, institute
The lower section that dust compartment is located at the uptake flue is stated, is detachably connected between the inlet flue duct and the First Transition flue,
The junction is equipped with sealing ring.
2. the flue structure of dry cement production line waste heat boiler according to claim 1, it is characterised in that：The middle rank
Filter screen includes first layer filter screen and second layer filter screen, is set between the first layer filter screen and the second layer filter screen
There is gap, one layer of quick lime layer is equipped with the gap.
3. the flue structure of dry cement production line waste heat boiler according to claim 1, it is characterised in that：Described first
The size of angle is 30-60 °.
4. the flue structure of dry cement production line waste heat boiler according to claim 1, it is characterised in that：Described second
The size of angle is 30-60 °.
5. the flue structure of dry cement production line waste heat boiler according to claim 1, it is characterised in that：Described first
Transition flue duct is bend pipe.
6. the flue structure of dry cement production line waste heat boiler according to claim 1, it is characterised in that：Described second
Transition flue duct is bend pipe.
7. the flue structure of dry cement production line waste heat boiler according to claim 1, it is characterised in that：The middle rank
The first layer filter screen of filter screen is identical with the mesh number of second layer filter screen.
8. the flue structure of dry cement production line waste heat boiler according to claim 1, it is characterised in that：The middle rank
The mesh number of filter screen is more than the mesh number of the primary filtration network.
9. the flue structure of dry cement production line waste heat boiler according to claim 1, it is characterised in that：The primary
Filter screen is metal filter screen.
10. the flue structure of dry cement production line waste heat boiler according to claim 1, it is characterised in that：In described
Level filter screen is catalyst coating strainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721319961.4U CN207365729U (en) | 2017-10-13 | 2017-10-13 | The flue structure of dry cement production line waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721319961.4U CN207365729U (en) | 2017-10-13 | 2017-10-13 | The flue structure of dry cement production line waste heat boiler |
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| Publication Number | Publication Date |
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| CN207365729U true CN207365729U (en) | 2018-05-15 |
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| CN201721319961.4U Active CN207365729U (en) | 2017-10-13 | 2017-10-13 | The flue structure of dry cement production line waste heat boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108939870A (en) * | 2018-07-12 | 2018-12-07 | 佛山市高捷工业炉有限公司 | A kind of electromagnetism smelting furnace waste gas purification apparatus |
-
2017
- 2017-10-13 CN CN201721319961.4U patent/CN207365729U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108939870A (en) * | 2018-07-12 | 2018-12-07 | 佛山市高捷工业炉有限公司 | A kind of electromagnetism smelting furnace waste gas purification apparatus |
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