CN108579393A - A kind of limekiln flue gas purification system - Google Patents
A kind of limekiln flue gas purification system Download PDFInfo
- Publication number
- CN108579393A CN108579393A CN201810578071.8A CN201810578071A CN108579393A CN 108579393 A CN108579393 A CN 108579393A CN 201810578071 A CN201810578071 A CN 201810578071A CN 108579393 A CN108579393 A CN 108579393A
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- CN
- China
- Prior art keywords
- flue gas
- pond
- purifying column
- valve
- gas purification
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/602—Oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to a kind of limekiln flue gas purification systems, including purifying column, pond, lime chemicals dosing plant, it is connected by pipeline between the purifying column and pond, the purifying column includes demister, flue gas even distribution device, sprinkler head group and lime slurry nozzle group, the pond includes sedimentation basin, Calcified pond and circulatory pool, the lime chemicals dosing plant include agitating device, pulverized limestone feed bin, belt conveyor and operated pneumatic valve.Present invention eliminates connecting pipes, wind turbine, and dosing pump etc., whole system civil engineering part is few, using automation control.Less investment, operating cost is low, and failure rate is low, automatic management.
Description
Technical field
The present invention relates to flue gases purification field more particularly to a kind of limekiln flue gas purification systems.
Background technology
Nowadays life is become better and better, and requirement of the people to environment is also higher and higher, and environmental protection, which also just becomes, affects the people's livelihood
One big problem, existing limekiln, which is substantially all, uses flue gas purification system, but existing lime shaft kiln, floss hole
Height need to introduce ground when fume treatment from kiln top, and duct length is long, and difficulty of construction is big, and it is big to increase fan energy consumption.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of limekiln flue gas purification systems.
Embodiment：
A kind of limekiln flue gas purification system, it is characterised in that：Including purifying column, pond, lime chemicals dosing plant, the purifying column
It is connected by pipeline between pond, the purifying column includes demister, flue gas even distribution device, sprinkler head group, lime slurry spray
Head group, smoke inlet and exhanst gas outlet, the pond include sedimentation basin, Calcified pond and circulatory pool, the lime chemicals dosing plant packet
Agitating device, pulverized limestone feed bin, belt conveyor and operated pneumatic valve are included, the agitating device is located inside Calcified pond, the purification
The bottom of tower of tower is provided with discharge port, and the discharge port connects sedimentation basin by pipeline, solenoid valve, butterfly are provided on the pipeline
Valve, water compensating valve, check-valves and ball valve are provided with technique water inlet on the pipeline, and the process water inlet is provided with ball valve,
Solenoid valve is provided on the pipeline that the technique water inlet is connect with circulatory pool, between the technique water inlet and sprinkler head group
Water compensating valve, technique water tank, ball valve, jet water pump and solenoid valve are provided on pipeline, the sprinkler head group shares two groups, every group of installation
Several sprinkler heads, one of which are set to the top of the demister of purification column overhead, and another group is arranged the row in purifying column bottom of tower
The top of drain port is provided with butterfly valve, circulating pump, ball valve and non-return on the official road between the circulatory pool and lime slurry nozzle group
Valve, the lime slurry nozzle group share four groups, are arranged between flue gas even distribution device and demister.
Further, the pond integrally uses high low setting, and the height highest of the sedimentation basin, the height of circulatory pool is most
Low, the sedimentation basin is set as inclined-plane, and is reduced along the direction inclined-plane of Calcified pond.
Further, the purifying column is arranged flue gas even distribution device, the flue gas even distribution device to prevent spray liquid with
And rainwater enters in chimney.
Further, the sprinkler head group of the purifying column bottom of tower setting is high-pressure washing water nozzle group, is rushed to bottom of tower
It washes, prevents bottom of tower fouling and sediment pile.
Further, the water compensating valve is automatic water compensating valve.
Further, the technique water inlet（6）Pressure >=the 2bar at place.
Advantageous effect：Present invention eliminates connecting pipes, wind turbine, and dosing pump etc., whole system civil engineering part is few, using certainly
Dynamicization controls, and less investment, operating cost is low, and failure rate is low, automatic management.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the chart of various valves in the present invention.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with the accompanying drawings.
A kind of limekiln flue gas purification system, including purifying column 1, pond 2, lime chemicals dosing plant 3,1 He of the purifying column
It is connected by pipeline between pond 2, the purifying column 1 includes demister 11, flue gas even distribution device 12, sprinkler head group 13, lime
Slurries nozzle group 14, smoke inlet 15 and exhanst gas outlet 16, the pond 2 include sedimentation basin 21, Calcified pond 22 and circulatory pool 23,
The lime chemicals dosing plant 3 includes agitating device 31, pulverized limestone feed bin 32, belt conveyor 33 and operated pneumatic valve 34, the stirring
Device 31 is located inside Calcified pond 22, and the bottom of tower of the purifying column 1 is provided with discharge port 4, and the discharge port 4 is connected by pipeline
Sedimentation basin 21, is provided with solenoid valve 51, butterfly valve 52, water compensating valve 53, check-valves 54 and ball valve 55 on the pipeline, on the pipeline
Provided with technique water inlet 6, ball valve 55 is provided at the technique water inlet 6, the technique water inlet 6 is connect with circulatory pool 23
Pipeline on be provided with solenoid valve 51, be provided on the pipeline between the technique water inlet 6 and sprinkler head group 13 water compensating valve 53,
Technique water tank 7, ball valve 55, jet water pump 8 and solenoid valve 51, the sprinkler head group 13 share two groups, every group of several sprinkler heads of installation,
One of which is set to the top of the demister 11 of 1 tower top of purifying column, and another group is arranged in the discharge port 4 of 1 bottom of tower of purifying column
Top, be provided on the official road between the circulatory pool 23 and lime slurry nozzle group 14 butterfly valve 52, circulating pump 9, ball valve 55 and
Check-valves 54, the lime slurry nozzle group 14 share four groups, are arranged between flue gas even distribution device 12 and demister 11.
The pond 2 is whole to use high low setting, and the height highest of the sedimentation basin 21, the height of circulatory pool 23 is minimum,
The sedimentation basin 21 is set as inclined-plane, and is reduced along the direction inclined-plane of Calcified pond 22.
Flue gas even distribution device 12 is arranged in the purifying column 1, and the flue gas even distribution device 12 is preventing spray liquid and rain
Water enters in chimney.
The sprinkler head group 13 of 1 bottom of tower of purifying column setting is high-pressure washing water nozzle group, is rinsed, prevents to bottom of tower
Bottom of tower fouling and sediment pile.
The water compensating valve 53 is automatic water compensating valve.
Pressure >=2bar at the technique water inlet 6.
Purifying column 1 is directly placed at kiln overhead in throat by the present invention, and former flue gas enters from smoke inlet 15, at this time stone
Grey slurries nozzle group 14 sprays lime slurry, flue gas even distribution device 12 built in purifying column, while preventing spray liquid from entering chimney, cigarette
Gas is carried out dehydrating after dedusting cools down, then by demister 11, and flue gas is discharged after dehydration from exhanst gas outlet 16.
1 bottom of tower of purifying column and demister 11 periodically backwash, and prevent deposition and fouling, while feeding as circulatory pool 23
Liquid.
Sedimentation basin 21, Calcified pond 22 and circulatory pool 23, whole to be arranged using height, lime chemicals dosing plant 3 is set up directly on
In Calcified pond 22, sedimentation basin 21 is set as inclined-plane, is periodically cleared up with tools such as forklifts.Lime chemicals dosing plant 3 utilizes sedimentation basin 21
In addition supernatant does not use tap water, convenient for saving water resource.Lime slurry after stirring flows into circulatory pool 23 using difference of height,
Reduce conventional dosing pump, purifying column 1 is pumped by circulating pump 9.
Individual pulverized limestone feed bin 32 is arranged in lime chemicals dosing plant 3, to be used for required unit, dosing belt conveyor
33 add at regular time and quantity.
Automatic water compensating valve is arranged in technique water tank 7, ensures that water is sufficient.
The basic principles, main features and advantages of the present invention have been shown and described above.The present invention is not by upper
The limitation of embodiment is stated, the above embodiments and description only illustrate the principle of the present invention, is not departing from the present invention
Various changes and improvements may be made to the invention under the premise of spirit and scope, these changes and improvements both fall within claimed sheet
In the range of invention.The claimed scope of the invention is defined by appended claims and its equivalent.
Claims (6)
1. a kind of limekiln flue gas purification system, it is characterised in that：Including purifying column（1）, pond（2）, lime chemicals dosing plant
（3）, the purifying column（1）The pond and（2）Between connected by pipeline, the purifying column（1）Including demister（11）, flue gas it is equal
Cloth apparatus（12）, sprinkler head group（13）, lime slurry nozzle group（14）, smoke inlet（15）And exhanst gas outlet（16）, the water
Pond（2）Including sedimentation basin（21）, Calcified pond（22）And circulatory pool（23）, the lime chemicals dosing plant（3）Including agitating device
（31）, pulverized limestone feed bin（32）, belt conveyor（33）And operated pneumatic valve（34）, the agitating device（31）Positioned at Calcified pond（22）
Inside, the purifying column（1）Bottom of tower be provided with discharge port（4）, the discharge port（4）Sedimentation basin is connected by pipeline（21）,
Solenoid valve is provided on the pipeline（51）, butterfly valve（52）, water compensating valve（53）, check-valves（54）And ball valve（55）, the pipeline
It is upper to be provided with technique water inlet（6）, the technique water inlet（6）Place is provided with ball valve（55）, the technique water inlet（6）With follow
Cisterna ambiens（23）Solenoid valve is provided on the pipeline of connection（51）, the technique water inlet（6）With sprinkler head group（13）Between pipe
Water compensating valve is provided on road（53）, technique water tank（7）, ball valve（55）, jet water pump（8）And solenoid valve（51）, the sprinkler head group
（13）Two groups are shared, every group of several sprinkler heads of installation, one of which is set to purifying column（1）The demister of tower top（11）It is upper
Side, another group of setting is in purifying column（1）The discharge port of bottom of tower（4）Top, the circulatory pool（23）With lime slurry nozzle group
（14）Between official road on be provided with butterfly valve（52）, circulating pump（9）, ball valve（55）And check-valves（54）, the lime slurry spray
Head group（14）Four groups are shared, is arranged in flue gas even distribution device（12）And demister（11）Between.
2. a kind of limekiln flue gas purification system according to claim 1, it is characterised in that：The pond（2）It is whole
Using high low setting, the sedimentation basin（21）Height highest, circulatory pool（23）Height it is minimum, the sedimentation basin（21）Setting
For inclined-plane, and along Calcified pond（22）Direction inclined-plane reduce.
3. a kind of limekiln flue gas purification system according to claim 1, it is characterised in that：The purifying column（1）If
Set flue gas even distribution device（12）, the flue gas even distribution device（12）To prevent spray liquid and rainwater from entering in chimney.
4. a kind of limekiln flue gas purification system according to claim 1, it is characterised in that：The purifying column（1）Tower
The sprinkler head group of bottom setting（13）For high-pressure washing water nozzle group, bottom of tower is rinsed, prevents bottom of tower fouling and deposit
Accumulation.
5. a kind of limekiln flue gas purification system according to claim 1, it is characterised in that：The water compensating valve（53）For
Automatic water compensating valve.
6. a kind of limekiln flue gas purification system according to claim 1, it is characterised in that：The technique water inlet
（6）Pressure >=the 2bar at place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810578071.8A CN108579393A (en) | 2018-06-07 | 2018-06-07 | A kind of limekiln flue gas purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810578071.8A CN108579393A (en) | 2018-06-07 | 2018-06-07 | A kind of limekiln flue gas purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108579393A true CN108579393A (en) | 2018-09-28 |
Family
ID=63627534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810578071.8A Pending CN108579393A (en) | 2018-06-07 | 2018-06-07 | A kind of limekiln flue gas purification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108579393A (en) |
-
2018
- 2018-06-07 CN CN201810578071.8A patent/CN108579393A/en active Pending
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180928 |