CN108246084A - Rotary kiln exhaust gas processing system - Google Patents
Rotary kiln exhaust gas processing system Download PDFInfo
- Publication number
- CN108246084A CN108246084A CN201810146508.0A CN201810146508A CN108246084A CN 108246084 A CN108246084 A CN 108246084A CN 201810146508 A CN201810146508 A CN 201810146508A CN 108246084 A CN108246084 A CN 108246084A
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- CN
- China
- Prior art keywords
- gas
- rotary kiln
- exhaust gas
- kiln exhaust
- lye tank
- 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.)
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Classifications
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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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- 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
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention belongs to tail gas disposal technique fields, specifically disclose a kind of dust in rotary kiln exhaust gas and the better rotary kiln exhaust gas processing system of acid gas treatment effect.The rotary kiln exhaust gas processing system is connected with lye tank between water cooling tower and spray scrubber, lye tank is equipped with gas feed and gas vent, gas-guide tube is provided in lye tank, the inlet end of gas-guide tube is connected with gas feed, and the outlet side of gas-guide tube is in below the liquid level line in lye tank.By setting the lye tank with gas-guide tube, it enables to wash in lye tank through water cooling tower rotary kiln exhaust gas after cooling, so that major part dust therein and acid gas are absorbed by lye, it is preferable to the treatment effect of rotary kiln exhaust gas, rotary kiln exhaust gas after alkali liquid washing substantially will not pollute air again after spray scrubber washs by being arranged outside chimney.
Description
Technical field
The invention belongs to tail gas disposal technique fields, and in particular to a kind of rotary kiln exhaust gas processing system.
Background technology
Rotary kiln refers to rotary calcining kiln, is widely used in many production industries such as building materials, metallurgy, chemical industry, environmental protection.
In production process, the tail gas of rotary kiln discharge typically contains a large amount of dust and acid gas, needs through rotary kiln exhaust gas processing system
It can be discharged after purification.The structure design of existing rotary kiln exhaust gas processing system is not reasonable, and performance is less reliable,
The effect for absorbing the tail gas that rotary kiln generates is poor, it is difficult to effectively absorb the dust in rotary kiln exhaust gas and acid gas completely, still
So understand some dust and acid gas has been discharged into air, after causing environmental pollution, particularly shower water cycle a period of time,
It is deteriorated to the assimilation effect of acid gas.
Invention content
The technical problem to be solved in the present invention is to provide a kind of dust in rotary kiln exhaust gas and acid gas treatment effect more
Good rotary kiln exhaust gas processing system.
The technical solution adopted by the present invention to solve the technical problems is：Rotary kiln exhaust gas processing system, it is cold including spraying
But tower, spray scrubber, chimney, sedimentation basin and water circulating pump；Further include the first wind turbine, lye tank and the second wind turbine；
Rotary kiln exhaust gas import is provided on the water cooling tower；
The lye tank is equipped with gas feed and gas vent, and gas-guide tube is provided in lye tank, the gas-guide tube
Inlet end is connected with gas feed, and the outlet side of gas-guide tube is in below the liquid level line in lye tank；
Gas outlet on the water cooling tower is connected by the first wind turbine with gas feed, the gas vent and spray
The air inlet of scrubbing tower is connected, and the gas outlet of the spray scrubber is connected by the second wind turbine with chimney；
Inlet tube is provided on the inlet of the water circulating pump, the liquid feeding end of the inlet tube is set in sedimentation basin,
Be provided with outlet tube on the liquid outlet of water circulating pump, and water circulating pump by outlet tube respectively with the inlet of water cooling tower and
The inlet of spray scrubber is connected, the liquid outlet of the water cooling tower and the liquid outlet of spray scrubber respectively with sedimentation basin
Inlet be connected.
Further, adder-subtractor and pH value detection device are provided on the lye tank.
Further, the adder-subtractor includes adding alkali pump and being arranged on adding on alkali pump plus alkali pipe, described plus alkali pipe
The port of export be set in lye tank.
Further, it is provided with filtering head on the liquid feeding end of the inlet tube.
The beneficial effects of the invention are as follows：The rotary kiln exhaust gas processing system, can by setting the lye tank with gas-guide tube
So that it is washed in lye tank through water cooling tower rotary kiln exhaust gas after cooling, so that major part dust therein and acid gas quilt
Lye absorbs, and preferable to the treatment effect of rotary kiln exhaust gas, the rotary kiln exhaust gas after alkali liquid washing is washed again through spray scrubber
By being arranged outside chimney after washing, air will not be polluted substantially, meet environmental requirement.
Description of the drawings
Fig. 1 is the implementation structure diagram of the present invention；
In figure label for：Water cooling tower 100, rotary kiln exhaust gas import 101, spray scrubber 200, chimney 300, precipitation
Pond 400, water circulating pump 500, inlet tube 510, filtering head 511, outlet tube 520, the first wind turbine 600, lye tank 700, gas into
Mouth 701, gas vent 702, gas-guide tube 710, liquid level line 720, adder-subtractor 730 plus alkali pump 731 plus alkali pipe 732, pH value inspection
Survey device 740, the second wind turbine 800.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, rotary kiln exhaust gas processing system, including water cooling tower 100, spray scrubber 200, chimney 300,
Sedimentation basin 400 and water circulating pump 500；Further include the first wind turbine 600,700 and second wind turbine 800 of lye tank；
Rotary kiln exhaust gas import 101 is provided on the water cooling tower 100；
The lye tank 700 is equipped with gas feed 701 and gas vent 702, and gas-guide tube is provided in lye tank 700
710, the inlet end of the gas-guide tube 710 is connected with gas feed 701, and the outlet side of gas-guide tube 710 is in lye tank 700
Below liquid level line 720；
Gas outlet on the water cooling tower 100 is connected by the first wind turbine 600 with gas feed 701, the gas
Outlet 702 is connected with the air inlet of spray scrubber 200, the gas outlet of the spray scrubber 200 by the second wind turbine 800 and
Chimney 300 is connected；
Inlet tube 510 is provided on the inlet of the water circulating pump 500, the liquid feeding end of the inlet tube 510 is set to
In sedimentation basin 400, outlet tube 520 is provided on the liquid outlet of water circulating pump 500, and water circulating pump 500 is divided by outlet tube 520
Inlet not with the inlet of water cooling tower 100 and spray scrubber 200 is connected, and the water cooling tower 100 goes out liquid
Inlet of the liquid outlet of mouth and spray scrubber 200 respectively with sedimentation basin 400 is connected.
Wherein, the structure of water cooling tower 100, spray scrubber 200, chimney 300, sedimentation basin 400 and water circulating pump 500
And arrangement is the prior art, this is not repeated.
Water cooling tower 100 is used to cool down to the tail gas that rotary kiln is discharged and tentatively remove in rotary kiln exhaust gas
Dust and acid gas；Rotary kiln exhaust gas import 101 thereon is generally arranged at the lower part of water cooling tower 100, water cooling tower
Gas outlet on 100 is generally arranged at its top, and the liquid outlet of the water cooling tower 100 is generally arranged at its bottom.
Akaline liquid is generally loaded in lye tank 700, the outlet side of gas-guide tube 710 is submerged in akaline liquid；Through spray
100 rotary kiln exhaust gas after cooling of cooling tower is drenched, entering akaline liquid under pressurization and the dispatch effect of the first wind turbine 600 carries out
Washing removes most of dust and acid gas in rotary kiln exhaust gas.
On the basis of the above, in order to ensure removal effect of the lye tank 700 to acid gas, then as shown in Figure 1, in lye tank
Adder-subtractor 730 and pH value detection device 740 are provided on 700.PH value detection device 740 can be to alkaline in lye tank 700
The acid-base value of liquid is checked, if less than setting value, alkali is supplemented into lye tank 700 from system control adder-subtractor 730
Property substance, so that the acid gas in rotary kiln exhaust gas can be efficiently removed.Since rotary kiln exhaust gas is entered by gas-guide tube 710
In akaline liquid, there is certain aeration effect, the alkaline matter added in is enabled to dissolve diffusion rapidly.
Specifically, the adder-subtractor 730 includes adding alkali pump 731 and being arranged on adding on alkali pump 731 plus alkali pipe 732, institute
It states plus the port of export of alkali pipe 732 is set in lye tank 700.
Change liquid structure in general, being additionally provided on lye tank 700, for the lye dust-laden in lye tank 700 it is excessive when
Change liquid in time；It changes liquid knot and generally comprises the water supply pipe and sewage draining exit being arranged on lye tank 700.
In order to avoid inlet tube 510 blocks, then as shown in Figure 1, filtering is usually provided on the liquid feeding end of inlet tube 510
First 511.
Claims (4)
1. rotary kiln exhaust gas processing system, including water cooling tower (100), spray scrubber (200), chimney (300), sedimentation basin
(400) and water circulating pump (500)；It is characterized in that：Further include the first wind turbine (600), lye tank (700) and the second wind turbine
(800)；
Rotary kiln exhaust gas import (101) is provided on the water cooling tower (100)；
The lye tank (700) is equipped with gas feed (701) and gas vent (702), and air guide is provided in lye tank (700)
It manages (710), the inlet end of the gas-guide tube (710) is connected with gas feed (701), and the outlet side of gas-guide tube (710) is in alkali
Liquid level line (720) in liquid case (700) is below；
Gas outlet on the water cooling tower (100) is connected by the first wind turbine (600) with gas feed (701), the gas
Body outlet (702) is connected with the air inlet of spray scrubber (200), and the gas outlet of the spray scrubber (200) passes through second
Wind turbine (800) is connected with chimney (300)；
Inlet tube (510), the liquid feeding end setting of the inlet tube (510) are provided on the inlet of the water circulating pump (500)
In sedimentation basin (400), outlet tube (520) is provided on the liquid outlet of water circulating pump (500), and water circulating pump (500) passes through
Inlet of the outlet tube (520) respectively with the inlet of water cooling tower (100) and spray scrubber (200) is connected, the spray
The inlet of the liquid outlet of leaching cooling tower (100) and the liquid outlet of spray scrubber (200) respectively with sedimentation basin (400) is connected.
2. rotary kiln exhaust gas processing system as described in claim 1, it is characterised in that：It is provided on the lye tank (700)
Adder-subtractor (730) and pH value detection device (740).
3. rotary kiln exhaust gas processing system as claimed in claim 2, it is characterised in that：The adder-subtractor (730) is including adding
Alkali pump (731) and be arranged on plus alkali pump (731) on plus alkali pipe (732), the port of export of described plus alkali pipe (732) be set to lye
In case (700).
4. the rotary kiln exhaust gas processing system as described in claim 1,2 or 3, it is characterised in that：The inlet tube (510) into
Filtering head (511) is provided on liquid end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146508.0A CN108246084A (en) | 2018-02-12 | 2018-02-12 | Rotary kiln exhaust gas processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146508.0A CN108246084A (en) | 2018-02-12 | 2018-02-12 | Rotary kiln exhaust gas processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108246084A true CN108246084A (en) | 2018-07-06 |
Family
ID=62745338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810146508.0A Withdrawn CN108246084A (en) | 2018-02-12 | 2018-02-12 | Rotary kiln exhaust gas processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108246084A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109092863A (en) * | 2018-09-13 | 2018-12-28 | 河南博鑫高科实业有限公司 | Quadratic aluminum dust resource utilization utilizes the device and technique for producing refining slag |
| CN113262611A (en) * | 2021-05-17 | 2021-08-17 | 张家港扬子江冷轧板有限公司 | Automatic add acid mist washing equipment of alkali |
| CN115095201A (en) * | 2022-06-13 | 2022-09-23 | 扬州海通电子科技有限公司 | Water pump system shared by cooling tower and alkaline washing tower |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972578A (en) * | 2010-09-10 | 2011-02-16 | 西昌新钒钛有限公司 | Rotary kiln flue gas treating device capable of automatically controlling blowing rate of draught fan |
| CN205392154U (en) * | 2016-03-02 | 2016-07-27 | 无锡中聚才环境设备有限公司 | High -efficient gaseous scattering deacidification dust removal integration equipment |
| CN206867987U (en) * | 2017-05-26 | 2018-01-12 | 湖北兴瑞化工有限公司 | A kind of absorption plant for organosilicon acidity dust-containing tail gas |
-
2018
- 2018-02-12 CN CN201810146508.0A patent/CN108246084A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972578A (en) * | 2010-09-10 | 2011-02-16 | 西昌新钒钛有限公司 | Rotary kiln flue gas treating device capable of automatically controlling blowing rate of draught fan |
| CN205392154U (en) * | 2016-03-02 | 2016-07-27 | 无锡中聚才环境设备有限公司 | High -efficient gaseous scattering deacidification dust removal integration equipment |
| CN206867987U (en) * | 2017-05-26 | 2018-01-12 | 湖北兴瑞化工有限公司 | A kind of absorption plant for organosilicon acidity dust-containing tail gas |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109092863A (en) * | 2018-09-13 | 2018-12-28 | 河南博鑫高科实业有限公司 | Quadratic aluminum dust resource utilization utilizes the device and technique for producing refining slag |
| CN113262611A (en) * | 2021-05-17 | 2021-08-17 | 张家港扬子江冷轧板有限公司 | Automatic add acid mist washing equipment of alkali |
| CN115095201A (en) * | 2022-06-13 | 2022-09-23 | 扬州海通电子科技有限公司 | Water pump system shared by cooling tower and alkaline washing tower |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180706 |
|
| WW01 | Invention patent application withdrawn after publication |