CN212915093U - Cooling dust removal waste gas absorption clarification plant - Google Patents
Cooling dust removal waste gas absorption clarification plant Download PDFInfo
- Publication number
- CN212915093U CN212915093U CN202021159775.0U CN202021159775U CN212915093U CN 212915093 U CN212915093 U CN 212915093U CN 202021159775 U CN202021159775 U CN 202021159775U CN 212915093 U CN212915093 U CN 212915093U
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- CN
- China
- Prior art keywords
- waste gas
- absorption tower
- cooling
- gas washing
- washing absorption
- 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.)
- Expired - Fee Related
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- 239000002912 waste gas Substances 0.000 title claims abstract description 72
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 60
- 239000000428 dust Substances 0.000 title claims abstract description 27
- 238000001816 cooling Methods 0.000 title claims abstract description 24
- 238000005352 clarification Methods 0.000 title claims description 5
- 238000005406 washing Methods 0.000 claims abstract description 65
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 239000007789 gas Substances 0.000 claims abstract description 19
- 238000012856 packing Methods 0.000 claims abstract description 18
- 238000012546 transfer Methods 0.000 claims abstract description 16
- 230000002378 acidificating effect Effects 0.000 claims abstract description 14
- 238000000746 purification Methods 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims abstract description 7
- 239000000498 cooling water Substances 0.000 claims abstract description 6
- 239000003595 mist Substances 0.000 claims abstract description 5
- 238000007689 inspection Methods 0.000 claims description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to a cooling and dedusting waste gas absorption and purification device, which is provided with a cooling and dedusting pretreatment device and a waste gas washing and absorption tower; the temperature-reducing and dust-removing pretreatment device comprises an air inlet hopper and a transfer pipe; the air inlet hopper is arranged on the bracket, the upper end of the air inlet hopper is provided with at least one high-temperature dust-containing acidic waste gas inlet, and the edge of the lower end is provided with a cooling water inlet; two ends of the transit pipe are respectively connected with the bottom of the air inlet hopper and the lower end of the waste gas washing absorption tower; a liquid supply port is arranged on one side of the bottom of the waste gas washing absorption tower, a liquid discharge port is arranged on the other side of the bottom of the waste gas washing absorption tower, a packing layer is arranged in the middle section of the waste gas washing absorption tower, and a clean tail gas outlet is arranged at the top end of the waste gas washing absorption tower; the outer wall of the waste gas washing absorption tower above the packing layer is provided with a main annular liquid inlet pipe with a washing liquid inlet, and the inside of the tower body is provided with a packing mist trap demister. The utility model discloses a large-traffic atomizing sprays the washing and carries out preliminary treatment cooling, dust removal, makes the gas-liquid fully contact the mass transfer to reach the purpose of cooling and dust removal.
Description
Technical Field
The utility model relates to a tail gas processing apparatus, in particular to cooling dust removal waste gas absorbs clarification plant.
Background
Along with the rapid development of science and technology, people pay more and more attention to environmental protection, the requirement on air quality is higher and higher, the incinerator is used as a device for burning coal or waste to exchange heat energy or treat waste, the smoke discharged by burning the coal or the waste contains a large amount of pollutants such as acid gas (such as sulfur-containing gas), dust, dioxin, heavy metal and the like, and if the pollutants are not properly treated, the pollutants can cause serious pollution to the atmospheric environment.
The treatment system for tail gas generated after solid waste incineration generally comprises a desulfurizing tower, a bag-type dust remover and a plurality of auxiliary equipment devices, wherein the desulfurizing tower is connected with the bag-type dust remover through a pipeline, so that the system investment is large, the occupied area is large, and the pipeline is complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defect that prior art exists, providing a compact structure, it is reasonable to set, has the cooling dust removal waste gas absorption clarification plant of long-term temperature resistant, corrosion resistant characteristic.
Realize the utility model discloses the technical scheme of purpose is: a cooling and dedusting waste gas absorption and purification device is provided with a cooling and dedusting pretreatment device and a waste gas washing and absorption tower; the cooling and dedusting pretreatment device is connected with the waste gas washing and absorbing tower through a transfer pipe, and comprises an air inlet hopper and a transfer pipe; the air inlet hopper is arranged on the bracket, the upper end of the air inlet hopper is provided with at least one high-temperature dust-containing acidic waste gas inlet, and the edge of the lower end is provided with a cooling water inlet; two ends of the transit pipe are respectively connected with the bottom of the air inlet hopper and the lower end of the waste gas washing absorption tower; a liquid supply port is formed in one side of the bottom of the waste gas washing absorption tower, a liquid discharge port is formed in the other side of the bottom of the waste gas washing absorption tower, a packing layer is arranged in the middle section of the waste gas washing absorption tower, and a clean tail gas outlet is formed in the top end of the waste gas washing absorption tower; the outer wall of the waste gas washing absorption tower above the packing layer is provided with a main annular liquid inlet pipe with a washing liquid inlet, and the inside of the tower body is provided with a packing mist trap demister.
The side surface of the high-temperature dust-containing acidic waste gas inlet in the technical scheme is provided with a prewashing liquid inlet; and the pre-washing liquid inlet is connected with a spray head arranged at the top of the air inlet hopper through a pipeline.
In the technical scheme, the outer wall of the waste gas washing absorption tower above the packing layer is provided with a standby liquid inlet pipe with a washing liquid inlet.
In the technical scheme, the bottom of the waste gas washing absorption tower is obliquely provided with a filter plate corresponding to the position of the liquid supply port; the filter plate and the center shaft of the liquid supply port form an included angle of 5-15 degrees.
According to the technical scheme, the transfer pipe extends into the waste gas washing absorption tower, the axis of the transfer pipe is parallel to the axis of the liquid supply port, and the radian of the bent pipe extending into the waste gas washing absorption tower is 45 degrees.
According to the technical scheme, the bottom of the waste gas washing absorption tower is provided with an inspection hole.
According to the technical scheme, the outer wall of the waste gas washing absorption tower is provided with a plurality of windows.
After the technical scheme is adopted, the utility model discloses following positive effect has:
(1) the utility model discloses a large-traffic atomizing sprays the washing and carries out preliminary treatment cooling, dust removal, makes the gas-liquid fully contact the mass transfer to reach the purpose of cooling and dust removal.
(2) The utility model has the advantages of compact structure, small occupied area, beautiful appearance and low running resistance, thereby the power of the matched fan is small, the energy consumption is saved, and the noise is low. The equipment is novel and ideal purification equipment for high-temperature dust-containing acidic waste gas in the chemical industry, the metallurgy industry and other industries.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention.
Detailed Description
(example 1)
As shown in figure 1, the utility model is provided with a cooling and dedusting pretreatment device and a waste gas washing and absorbing tower 6; the cooling and dedusting pretreatment device is connected with the waste gas washing and absorbing tower 6 through a transfer pipe 1, and comprises an air inlet hopper 2 and the transfer pipe 1; the air inlet hopper 2 is arranged on the bracket 3, two high-temperature dust-containing acidic waste gas inlets 4 are arranged at the upper end of the air inlet hopper 2, and a cooling water inlet 5 is arranged at the edge of the lower end of the air inlet hopper 2, so that in the actual use process, cooling water enters from the cooling water inlet 5 and enters the waste gas washing absorption tower 6 along the transit pipe 1, and meanwhile, the added high-temperature dust-containing acidic waste gas is cooled; two ends of the transit pipe 1 are respectively connected with the bottom of the gas inlet hopper 2 and the lower end of the waste gas washing absorption tower 6; a liquid supply port 7 is formed in one side of the bottom of the waste gas washing absorption tower 6, a liquid discharge port 8 is formed in the other side of the bottom of the waste gas washing absorption tower 6, a packing layer 9 is arranged in the middle section of the waste gas washing absorption tower 6, the packing layer 9 is used for increasing the contact area and time of gas and washing liquid in the waste gas washing absorption tower, a clean tail gas outlet 10 is formed in the top end of the waste gas washing absorption tower, the liquid supply port 7 is added in time when liquid in the waste gas washing absorption tower is insufficient, and the liquid discharge port 8 is used for discharging the; the outer wall of the waste gas washing absorption tower 6 above the packing layer 9 is provided with a main annular liquid inlet pipe 11 with a washing liquid inlet, and the inside of the tower body is provided with a packing mist trap demister 12.
A prewashing liquid inlet 13 is arranged on the side surface of the high-temperature dust-containing acidic waste gas inlet 4; the pre-washing liquid inlet 13 is connected with a spray head 14 arranged at the top of the air inlet hopper 2 through a pipeline, and the spray type spray head increases the contact area with waste gas.
The outer wall of the waste gas washing absorption tower 6 above the packing layer 9 is provided with a standby liquid inlet pipe 15 with a washing liquid inlet.
The bottom of the waste gas washing absorption tower 6 is obliquely provided with a filter plate 16 corresponding to the liquid supply port 7; the included angle between the central axes of the filter plate 16 and the liquid supply port 7 is 8 degrees, which is convenient for filtering the upper layer cleaning liquid, and if residue exists, the residue can be discharged through the liquid discharge port 8.
The transfer pipe 1 extends into the waste gas washing absorption tower 6, the axis of the transfer pipe 1 is parallel to the axis of the liquid supply port 7, and the radian of a bent pipe extending into the waste gas washing absorption tower 6 is 45 degrees.
The bottom of the waste gas washing absorption tower 6 is provided with an inspection port 17; the outer wall of the waste gas washing absorption tower 6 is provided with a plurality of windows 18 for inspection and observation.
The utility model discloses a theory of operation does: sodium hydroxide (NaOH) is used as an absorption neutralizing liquid, an acidic medium in the waste gas is fully contacted with the absorption neutralizing liquid for mass transfer, and a group of standby spraying is added to ensure the removal efficiency of the acidic medium in the waste gas and increase the liquid-gas ratio due to the uncertainty of the concentration of the acidic medium in the waste gas; thus, the acidic waste gas is more fully subjected to gas-liquid two-phase contact mass transfer to generate neutralization reaction, so that the acidic medium is removed, the tail gas after being treated by spraying, washing and filtering and absorbing by the packing layer 9 is subjected to liquid removal and demisting by the packing mist eliminator 12, and the clean tail gas is discharged into the atmosphere from the discharge port through the air duct. The exhaust emission after treatment meets the regulation of the integrated emission standard of atmospheric pollutants GB16297-1996 Table 2.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a cooling dust removal waste gas absorbs clarification plant which characterized in that: the device is provided with a cooling and dedusting pretreatment device and a waste gas washing and absorbing tower; the cooling and dedusting pretreatment device comprises an air inlet hopper and a transfer pipe; the air inlet hopper is arranged on the bracket, the upper end of the air inlet hopper is provided with at least one high-temperature dust-containing acidic waste gas inlet, and the edge of the lower end is provided with a cooling water inlet; two ends of the transit pipe are respectively connected with the bottom of the air inlet hopper and the lower end of the waste gas washing absorption tower; a liquid supply port is formed in one side of the bottom of the waste gas washing absorption tower, a liquid discharge port is formed in the other side of the bottom of the waste gas washing absorption tower, a packing layer is arranged in the middle section of the waste gas washing absorption tower, and a clean tail gas outlet is formed in the top end of the waste gas washing absorption tower; the outer wall of the waste gas washing absorption tower above the packing layer is provided with a main annular liquid inlet pipe with a washing liquid inlet, and the inside of the tower body is provided with a packing mist trap demister.
2. The cooling and dust removal exhaust gas absorption and purification device according to claim 1, wherein: a prewashing liquid inlet is formed in the side surface of the high-temperature dust-containing acidic waste gas inlet; and the pre-washing liquid inlet is connected with a spray head arranged at the top of the air inlet hopper through a pipeline.
3. The cooling and dust removal exhaust gas absorption and purification device according to claim 2, wherein: and a standby liquid inlet pipe with a washing liquid inlet is arranged on the outer wall of the waste gas washing absorption tower above the packing layer.
4. The cooling dust removal exhaust gas absorption purification apparatus according to claim 2 or 3, wherein: the bottom of the waste gas washing absorption tower is obliquely provided with a filter plate corresponding to the liquid supply port; the filter plate and the center shaft of the liquid supply port form an included angle of 5-15 degrees.
5. The cooling and dust removal exhaust gas absorption and purification device according to claim 4, wherein: the transfer pipe extends into the waste gas washing absorption tower, the axis of the transfer pipe is parallel to the axis of the liquid supply port, and the radian of a bent pipe extending into the waste gas washing absorption tower is 45 degrees.
6. The cooling and dust removal exhaust gas absorption and purification device according to claim 1, wherein: and an inspection port is formed at the bottom of the waste gas washing absorption tower.
7. The cooling and dust removal exhaust gas absorption and purification device according to claim 1, wherein: and a plurality of windows are arranged on the outer wall of the waste gas washing absorption tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021159775.0U CN212915093U (en) | 2020-06-19 | 2020-06-19 | Cooling dust removal waste gas absorption clarification plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021159775.0U CN212915093U (en) | 2020-06-19 | 2020-06-19 | Cooling dust removal waste gas absorption clarification plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212915093U true CN212915093U (en) | 2021-04-09 |
Family
ID=75323763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021159775.0U Expired - Fee Related CN212915093U (en) | 2020-06-19 | 2020-06-19 | Cooling dust removal waste gas absorption clarification plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212915093U (en) |
-
2020
- 2020-06-19 CN CN202021159775.0U patent/CN212915093U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210409 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |