CN105759734A - Layered dust suppression system for cement plant kiln end chimney - Google Patents
Layered dust suppression system for cement plant kiln end chimney Download PDFInfo
- Publication number
- CN105759734A CN105759734A CN201410776628.0A CN201410776628A CN105759734A CN 105759734 A CN105759734 A CN 105759734A CN 201410776628 A CN201410776628 A CN 201410776628A CN 105759734 A CN105759734 A CN 105759734A
- Authority
- CN
- China
- Prior art keywords
- chimney
- dust
- sub
- automatic dustfall
- laid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Treating Waste Gases (AREA)
Abstract
The present invention discloses a layered dust suppression system for a cement plant kiln end chimney. The system comprises a chimney in vertical layout, multiple annular automatic dust suppression devices which are laid from top to bottom, multiple sub controllers which control the multiple annular automatic dust suppression devices, multiple signal conditioning circuits which are connected to the sub controllers, and one master controller which is connected to the sub controllers. The multiple annular automatic dust suppression devices are in horizontal layout. The outside of the chimney is provided with multiple water supply pipes and multiple water drainage pipes. Each of the water supply pipes is equipped with an electric water pump and a flow control valve. Each of the water drainage pipes is equipped with an electromagnetic shut-off valve and a flow detection unit. The cross section of the chimney is circular, and the chimney is a reinforced concrete structure. The multiple annular automatic suppression devices are in coaxial arrangement. The layered dust suppression system has the advantages of simple structure, reasonable design, convenient use and operation and good use effect, and the various problems of an existing cement kiln dust suppression device can be solved.
Description
Technical field
The present invention relates to a kind of dust falling system, especially relate to a kind of cement plant kiln tail chimney layering dust falling system.
Background technology
Environment in process of production, can be produced gas and water and noise etc. and pollute by cement, the wherein main or pollution to the dust of airborne release and harmful gas.China's cement industry is through development for many years, and yield occupies the first in the world for years, achieves impressive progress in structural adjustment and minimizing soot emissions.The treating flour dust of many dry method production lines is close to international most advanced level, and smokeless and dust free also accomplished substantially by the advanced shaft kiln of part.But the structural inconsistency of current China cement industry is still very prominent, and in general, environmental pollution still ratio is more serious.So far, the dust discharge amount of cement industry still accounts for about the 40% of whole nation industrial trade dust emission total amount, and the improvement of harmful gas is only at the early-stage, and management task is urgent and arduous.
Cement kiln is the visual plant producing cement, mainly has following two big classes: a class is kiln cylinder body horizontally-arranged (slightly gradient), and can make the cement kiln of gyration, is called rotary kiln (also referred to as rotary kiln)；Another kind of is kiln cylinder body vertically-arranged and the cement kiln not rotated, and is called shaft kiln.Cement kiln end kiln hood exhausted air quantity accounts for whole cement producing line exhausted air quantity 60%, and wherein kiln tail gas accounts for the 36% of whole cement producing line exhausted air quantity.Chimney is one of cement kiln externally main thoroughfare discharging flue gas, containing a large amount of dust and harmful gas in discharged flue gas, nowadays generally all adopt spraying that the flue gas discharged in chimney is carried out depositing dust, with reaching dust-laying effect, but the drop including dust formed after spraying is serious to chimney internal contamination, not only affect chimney service life, and chimney maintenance frequency is all significantly increased with maintenance cost, also result in manufacture of cement efficiency and reduce；It addition, when chimney internal temperature is higher, partial drop will be gasified again, and dust-laying effect is poor.To sum up, existing cement in vertical kiln device for reducing dust exists that dust-laying effect is poor, chimney internal contamination is serious, affect the problems such as manufacture of cement efficiency.
Summary of the invention
The technical problem to be solved is in that for above-mentioned deficiency of the prior art, kiln tail chimney layering dust falling system in a kind of cement plant is provided, its simple in construction, reasonable in design and use easy and simple to handle, result of use good, can effectively solve that the dust-laying effect that existing cement kiln device for reducing dust exists is poor, chimney internal contamination is serious, affect the problems such as manufacture of cement efficiency.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of cement plant kiln tail chimney layering dust falling system, it is characterized in that: include be vertically to the chimney laid, multiple be from top to bottom laid on chimney medial wall annular automatic dustfall element, multiple sub-controller, multiple signal conditioning circuit connected with multiple described sub-controllers respectively and master controller connected with multiple described sub-controllers respectively multiple described annular automatic dustfall elements being controlled, multiple described annular automatic dustfall elements all layings in level；Described chimney arranged outside has multiple feed pipe respectively multiple annular automatic dustfall elements supplied water and multiple drain pipe connected respectively with multiple described annular automatic dustfall elements；Each described feed pipe is respectively arranged with the electric water pump and flow control valve that are controlled by sub-controller, and each described drain pipe is mounted on an electromagnetic shut-off valve being controlled by sub-controller；Being mounted on one on multiple described feed pipes and its inner stream flow carries out detection in real time and the flow detection unit connected with sub-controller, multiple described flow detection units connect with multiple described signal conditioning circuits respectively；The cross section of described chimney be annular and its be reinforced concrete structure, multiple annular automatic dustfall elements are laid in coaxial；
The structure of multiple described annular automatic dustfall elements is all identical；Described annular automatic dustfall element includes the depositing dust cylinder on an inwall being laid in chimney, multiple while to depositing dust cylinder top water spray and formed on depositing dust cylinder one layer from top to bottom flowing and to chimney in the shower nozzle of the moisture film that contained dust adsorbs in discharge flue gas, be positioned at the liquid collection trough being collected bottom depositing dust cylinder and to the liquid stayed from depositing dust cylinder and be laid on the lateral wall of liquid collection trough and the dust concentration of present position is carried out the dust concentration of detection in real time and detect unit, described dust concentration detects unit outside mask equipped with a bucker；Multiple described shower nozzles are respectively positioned on the upper inner of depositing dust cylinder；The cross section of described chimney be annular and its be reinforced concrete structure；Described depositing dust cylinder be cylindrical tube and its be glass infuser；Have discharge outlet bottom described liquid collection trough, in described chimney, be embedded with the drain pipe connected with described discharge outlet；Described liquid collection trough be toroidal cavity and its be positioned at the underface of depositing dust cylinder, described depositing dust cylinder and liquid collection trough are all laid in level；Described liquid collection trough is built with the water level sensing unit that its water level inside carries out detection in real time；Multiple water inlet pipe connected respectively it is embedded with multiple described shower nozzles in the sidewall of described chimney；Set by the quantity of described water inlet pipe and depositing dust cylinder top, the quantity of shower nozzle is identical, multiple described shower nozzles are separately mounted on the outlet of multiple described water inlet pipe front end and it is along the circumferential direction uniformly laid, and multiple described main water inlet tubes are connected with a described feed pipe each through connecting tube；Described water level sensing unit and dust concentration detection unit all connect with the sub-controller that residing annular automatic dustfall element is controlled.
Above-mentioned a kind of cement plant kiln tail chimney layering dust falling system, is characterized in that: the spacing between adjacent two described annular automatic dustfall elements is gradually increased from the bottom to top.
Above-mentioned a kind of cement plant kiln tail chimney layering dust falling system, is characterized in that: the vertical height of described annular automatic dustfall element is 0.5m～0.8m.
Above-mentioned a kind of cement plant kiln tail chimney layering dust falling system, is characterized in that: also include the clock circuit connected with master controller.
Above-mentioned a kind of cement plant kiln tail chimney layering dust falling system, is characterized in that: described water inlet pipe is from outside to inside the tipping tube of tilted upward gradually.
Above-mentioned a kind of cement plant kiln tail chimney layering dust falling system, is characterized in that: described sub-controller is PLC.
Above-mentioned a kind of cement plant kiln tail chimney layering dust falling system, is characterized in that: described master controller is PC.
The present invention compared with prior art has the advantage that
1, simple in construction, reasonable in design and processing and fabricating is easy, input cost is low.
2, circuit is simple, reasonable in design and easy-to-connect.
3, the annular automatic dustfall element simple in construction, the laying reasonable in design and actual that adopt are easy for installation, can simplicity be installed on annular inner wall of stack.
4, use easy and simple to handle, result of use good and practical value is high, the dust in flue gas can not only be carried out active adsorption, and the dust after absorption can be collected, be avoided that simultaneously and chimney inside is polluted.Further, institute's smoke discharging in chimney is carried out the layering dust falling system of depositing dust process by multiple annular automatic dustfall element compositions from the bottom to top.
In sum, present configuration simple, reasonable in design and use easy and simple to handle, result of use good, can effectively solve that the dust-laying effect that existing cement kiln device for reducing dust exists is poor, chimney internal contamination is serious, affect the problems such as manufacture of cement efficiency.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1 is the installation position schematic diagram that the present invention is adopted multiple annular automatic dustfall element.
Fig. 2 is the structural representation that the present invention is adopted annular automatic dustfall element.
Fig. 3 is the schematic block circuit diagram of annular automatic dustfall element of the present invention.
Description of reference numerals:
1 depositing dust cylinder；2 shower nozzles；3 liquid collection troughs；
4 chimneys；5 water inlet pipes；6 electric water pumps；
7 flow control valves；8 electromagnetic shut-off valve；10 flow detection units；
11 signal conditioning circuits；14 clock circuits；15 dust concentration detection unit；
16 water level sensing unit；17 annular automatic dustfall elements；
18 sub-controllers；19 master controllers.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, the present invention include be vertically to the chimney 4 laid, multiple be from top to bottom laid on chimney 4 medial wall annular automatic dustfall element 17, multiple sub-controller 18, multiple signal conditioning circuit 11 connected with multiple described sub-controllers 18 respectively and master controller 19 connected with multiple described sub-controllers 18 respectively multiple described annular automatic dustfall elements 17 being controlled, multiple described annular automatic dustfall elements 17 all layings in level.Described chimney 4 arranged outside has multiple feed pipe respectively multiple annular automatic dustfall elements 17 supplied water and multiple drain pipe connected respectively with multiple described annular automatic dustfall elements 17.Each described feed pipe is respectively arranged with the electric water pump 6 being controlled by sub-controller 18 and flow control valve 7, and each described drain pipe is mounted on an electromagnetic shut-off valve being controlled by sub-controller 18 8.Being mounted on one on multiple described feed pipes and its inner stream flow carries out detection in real time and the flow detection unit 10 connected with sub-controller 18, multiple described flow detection units 10 connect with multiple described signal conditioning circuits 11 respectively.The cross section of described chimney 4 be annular and its be reinforced concrete structure, multiple annular automatic dustfall elements 17 are laid in coaxial.
The structure of multiple described annular automatic dustfall elements 17 is all identical.Described annular automatic dustfall element 17 includes the depositing dust cylinder 1 on an inwall being laid in chimney 4, spray water to depositing dust cylinder 1 top while of multiple and on depositing dust cylinder 1, form one layer of flowing and the shower nozzle 5 to the moisture film that dust contained in flue gas discharged in chimney 4 adsorbs from top to bottom, it is positioned at the liquid collection trough 3 being collected bottom depositing dust cylinder 1 and to the liquid stayed from depositing dust cylinder 1 and is laid on the lateral wall of liquid collection trough 3 and the dust concentration of present position is carried out the real-time dust concentration detected detection unit 15, described dust concentration detection unit 15 outside mask is equipped with a bucker.Multiple described shower nozzles 2 are respectively positioned on the upper inner of depositing dust cylinder 1；The cross section of described chimney 4 be annular and its be reinforced concrete structure；Described depositing dust cylinder 1 be cylindrical tube and its be glass infuser.Have discharge outlet bottom described liquid collection trough 3, in described chimney 4, be embedded with the drain pipe connected with described discharge outlet.Described liquid collection trough 3 be toroidal cavity and its be positioned at the underface of depositing dust cylinder 1, described depositing dust cylinder 1 and liquid collection trough 3 are all laid in level.Described liquid collection trough 3 is built with the water level sensing unit 16 that its water level inside carries out detection in real time.Multiple water inlet pipe 5 connected respectively it is embedded with multiple described shower nozzles 2 in the sidewall of described chimney 4.Set by the quantity of described water inlet pipe 5 and depositing dust cylinder 1 top, the quantity of shower nozzle 2 is identical, multiple described shower nozzles 2 are separately mounted on the outlet of multiple described water inlet pipe 5 front end and it is along the circumferential direction uniformly laid, and multiple described main water inlet tubes 5 are connected with a described feed pipe each through connecting tube.Described water level sensing unit 16 and dust concentration detection unit 15 all connect with the sub-controller 18 that residing annular automatic dustfall element 17 is controlled.
In the present embodiment, the spacing between adjacent two described annular automatic dustfall elements 17 is gradually increased from the bottom to top.
When actual installation is laid, the vertical height of described annular automatic dustfall element 17 is 0.5m～0.8m.
Meanwhile, present invention additionally comprises the clock circuit 14 connected with master controller 19.
In the present embodiment, described water inlet pipe 5 is from outside to inside the tipping tube of tilted upward gradually.
In the present embodiment, described sub-controller 18 is PLC.Further, described master controller 19 is PC.
The above; it it is only presently preferred embodiments of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent structure change above example made according to the technology of the present invention essence, all still fall within the protection domain of technical solution of the present invention.
Claims (7)
1. a cement plant kiln tail chimney layering dust falling system, it is characterized in that: include being vertically to the chimney (4) laid, multiple annular automatic dustfall elements (17) being from top to bottom laid on chimney (4) medial wall, multiple sub-controllers (18) respectively multiple described annulars automatic dustfall element (17) being controlled, multiple signal conditioning circuits (11) connected with multiple described sub-controllers (18) respectively and a master controller (19) connected with multiple described sub-controllers (18), multiple described annulars automatic dustfall element (17) are all laid in level；Described chimney (4) arranged outside has multiple feed pipe respectively multiple annulars automatic dustfall element (17) supplied water and multiple drain pipe connected respectively with multiple described annulars automatic dustfall element (17)；Each described feed pipe is respectively arranged with the electric water pump (6) and flow control valve (7) that are controlled by sub-controller (18), and each described drain pipe is mounted on an electromagnetic shut-off valve (8) being controlled by sub-controller (18)；Being mounted on one on multiple described feed pipes and its inner stream flow carries out detection in real time and the flow detection unit (10) connected with sub-controller (18), multiple described flow detection units (10) connect with multiple described signal conditioning circuits (11) respectively；The cross section of described chimney (4) be annular and its be reinforced concrete structure, multiple annulars automatic dustfall elements (17) are laid in coaxial；
The structure of multiple described annulars automatic dustfall element (17) is all identical；Described annular automatic dustfall element (17) includes the depositing dust cylinder (1) on an inwall being laid in chimney (4), the while of multiple to depositing dust cylinder (1) top water spray and depositing dust cylinder (1) upper formed one layer from top to bottom flowing and to chimney (4) in discharged flue gas contained by the shower nozzle (5) of moisture film that adsorbs of dust, it is positioned at depositing dust cylinder (1) bottom and the liquid collection trough (3) that the liquid stayed from depositing dust cylinder (1) is collected and is laid on the lateral wall of liquid collection trough (3) and the dust concentration of present position is carried out the real-time dust concentration detected detection unit (15), described dust concentration detection unit (15) outside mask is equipped with a bucker；Multiple described shower nozzles (2) are respectively positioned on the upper inner of depositing dust cylinder (1)；The cross section of described chimney (4) be annular and its be reinforced concrete structure；Described depositing dust cylinder (1) for cylindrical tube and its be glass infuser；Described liquid collection trough (3) bottom has discharge outlet, is embedded with the drain pipe connected with described discharge outlet in described chimney (4)；Described liquid collection trough (3) for toroidal cavity and its be positioned at the underface of depositing dust cylinder (1), described depositing dust cylinder (1) and liquid collection trough (3) are all laid in level；Described liquid collection trough (3) is built with the water level sensing unit (16) that its water level inside carries out detection in real time；Multiple water inlet pipe (5) connected respectively it is embedded with multiple described shower nozzles (2) in the sidewall of described chimney (4)；Set by the quantity of described water inlet pipe (5) and depositing dust cylinder (1) top, the quantity of shower nozzle (2) is identical, multiple described shower nozzles (2) are separately mounted on the outlet of multiple described water inlet pipe (5) front end and it is along the circumferential direction uniformly laid, and multiple described main water inlet tubes (5) are connected with a described feed pipe each through connecting tube；Described water level sensing unit (16) and dust concentration detection unit (15) all connect with the sub-controller (18) that residing annular automatic dustfall element (17) is controlled.
2. a kind of cement plant kiln tail chimney layering dust falling system described in claim 1, it is characterised in that: the spacing between adjacent two described annulars automatic dustfall element (17) is gradually increased from the bottom to top.
3. a kind of cement plant kiln tail chimney layering dust falling system described in claim 1 or 2, it is characterised in that: the vertical height of described annular automatic dustfall element (17) is 0.5m～0.8m.
4. a kind of cement plant kiln tail chimney layering dust falling system described in claim 1 or 2, it is characterised in that: also include the clock circuit (14) connected with master controller (19).
5. a kind of cement plant kiln tail chimney annular automatic dustfall device described in claim 1 or 2, it is characterised in that: described water inlet pipe (5) is from outside to inside the tipping tube of tilted upward gradually.
6. a kind of cement plant kiln tail chimney layering dust falling system described in claim 1 or 2, it is characterised in that: described sub-controller (18) is PLC.
7. a kind of cement plant kiln tail chimney layering dust falling system described in claim 1 or 2, it is characterised in that: described master controller (19) is PC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410776628.0A CN105759734A (en) | 2014-12-15 | 2014-12-15 | Layered dust suppression system for cement plant kiln end chimney |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410776628.0A CN105759734A (en) | 2014-12-15 | 2014-12-15 | Layered dust suppression system for cement plant kiln end chimney |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105759734A true CN105759734A (en) | 2016-07-13 |
Family
ID=56336660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410776628.0A Pending CN105759734A (en) | 2014-12-15 | 2014-12-15 | Layered dust suppression system for cement plant kiln end chimney |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105759734A (en) |
-
2014
- 2014-12-15 CN CN201410776628.0A patent/CN105759734A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203253345U (en) | Catalytic cracking flue gas desulfurization and dust removing tower | |
| CN204017623U (en) | High-efficiency desulfurization depickling dust treatment system | |
| CN104826438B (en) | A kind of dust and waste gas treatment device | |
| CN206688458U (en) | A kind of electric automatization dust arrester | |
| CN205672779U (en) | A kind of desulfuration spray tower spray equipment | |
| CN105759734A (en) | Layered dust suppression system for cement plant kiln end chimney | |
| CN105783499A (en) | Automatic dust reduction type cement shaft kiln chimney | |
| CN204515483U (en) | A kind of cement mill kiln tail chimney layering dust falling system | |
| CN204438743U (en) | A kind of automatic dustfall formula cement in vertical kiln chimney | |
| CN104941427A (en) | Novel acid-base organic waste gas purifier | |
| CN105771476A (en) | Annular automatic dust suppression device for cement factory kiln tail chimney | |
| CN204485540U (en) | The annular automatic dustfall device of a kind of cement plant kiln tail chimney | |
| CN105758198A (en) | Cement vertical kiln chimney wet type dust removal device | |
| CN103320568B (en) | Multifunctional intelligent spray dust collection cooler | |
| CN206454485U (en) | A kind of desulfurization of gypsum tower | |
| CN204438822U (en) | Cement in vertical kiln chimney wet type device for reducing dust | |
| CN204017508U (en) | Introduction For Flue Gas Desulfarization System Of Electric Power Plant slurry circulating pump current-sharing inlet screen | |
| CN202605963U (en) | Treatment system for industrial tail gas | |
| CN204438150U (en) | Based on the cement plant chimney automatic dustfall cylinder of Spiral fan | |
| CN203556245U (en) | Filtering module | |
| CN208454661U (en) | The water flow pre-control device of waste water collector | |
| CN103170207B (en) | Wet-method vortex vane wheel air purification device | |
| CN105757695A (en) | Cement plant chimney automatic dust falling cylinder based on spiral blower | |
| CN202012932U (en) | Water-spraying dedusting environment-friendly chimney | |
| CN204933201U (en) | A kind of new waste gas sewage water filtration spray column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160713 |
|
| WD01 | Invention patent application deemed withdrawn after publication |