CN203389520U - Phenol-containing acid mist trapping device - Google Patents
Phenol-containing acid mist trapping device Download PDFInfo
- Publication number
- CN203389520U CN203389520U CN201320449523.5U CN201320449523U CN203389520U CN 203389520 U CN203389520 U CN 203389520U CN 201320449523 U CN201320449523 U CN 201320449523U CN 203389520 U CN203389520 U CN 203389520U
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- CN
- China
- Prior art keywords
- absorption chamber
- alkali lye
- acid mist
- sieve plate
- phenolic acid
- 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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Abstract
The utility model relates to a phenol-containing acid mist trapping device which comprises a housing, alkali liquid spray pipes and sieve plates, wherein the housing is of a cylindrical shape, a flue connection port is formed at the upper end of the housing and connected with an external flue, and an alkali liquid circulation tank connection port and a flue inlet are formed at the lower end of the housing; a middle sieve plate and a bottom sieve plate are arranged at the middle and bottom of the housing respectively; the middle sieve plate divides the housing into a first absorption chamber and a second absorption chamber from bottom to top; the alkali liquid spray pipes are arranged in the first absorption chamber and the second absorption chamber respectively; an alkali liquid spray head is mounted at a liquid outlet end of each alkali liquid spray pipe; polyethylene Pall rings are arranged on the middle sieve plate and the bottom sieve plate and respectively filled in the first absorption chamber and the second absorption chamber. According to the device provided by the utility model, by increasing the contact time and contact area between the alkali liquid and the phenol-containing acid mist, harmful components such as phenols, sulfuric acid mist drops and the like in the phenol-containing acid mist are sufficiently absorbed, thereby effectively reducing the air pollution and improving the surrounding environment.
Description
Technical field
The utility model relates to a kind of capturing device containing phenolic acid mist, belongs to the technical field containing the trapping of phenolic acid mist of phenates sulfuric acid decomposing system.
Background technology
Crude phenols are the wider industrial chemicals of a kind of application, can be used for producing the multiple products such as resin, disinfectant, coating, anticorrisive agent, spices.At the concentrated sulfuric acid, decompose phenates and produce in crude phenols technique, the concentrated sulfuric acid and phenates solution pack decomposer into, use compressed air to stir, and both acid-base neutralization reaction occur and generate sodium sulphate and crude phenols, emit large calorimetric simultaneously.Due to exothermic heat of reaction, cause temperature in decomposer to approach the boiling point that even surpasses water, add the rolling action of compressed air while discharging, cause discharging in production process a large amount of containing phenolic acid mist, have a strong impact on surrounding environment.For reducing, contain distributing of phenolic acid mist, adopt the mode of Venturi tube negative pressure absorbing to suck alkali lye circulating slot containing phenolic acid mist in the past.Owing to containing, phenolic acid mist and alkali lye time of contact and Exposure are all less, cause the overwhelming majority containing more than phenolic acid mist is suspended in alkali lye liquid level, through alkali liquor absorption, just by the emptying flue of alkali lye circulating slot, do not enter atmosphere, low containing phenolic acid mist absorption efficiency, cause surrounding environment still severe.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of capturing device containing phenolic acid mist, this device can enter by flue entrance in the process of atmosphere containing phenolic acid mist, increases containing the contacting of phenolic acid mist and alkali lye, and by acid-base neutralization reactive absorption, contains phenols and the sulfuric acid droplet in phenolic acid mist.
The technical solution of the utility model is as follows:
A capturing device containing phenolic acid mist, comprises shell, alkali lye spray line and sieve plate; Described shell is tubular, is provided with flue connector is connected with outside flue in the upper end of described shell, in the lower end of described shell, is provided with alkali lye circulating slot connector and flue entrance; Middle part and bottom at described shell are respectively arranged with middle part sieve plate and extraction plate, described middle part sieve plate is from bottom to top divided into the first absorption chamber and the second absorption chamber by described shell, in described the first absorption chamber and the second absorption chamber, be respectively arranged with alkali lye spray line, at the outlet end of described alkali lye spray line, alkali lye sprinkler head be installed; On described middle part sieve plate and extraction plate, being provided with polyethylene Pall ring is filled in respectively in the first absorption chamber and the second absorption chamber.The material of described shell is 316L stainless steel or straight carbon steel inside lining anti-corrosive layer, effectively reduces gas-liquid in the adhering to and corrosion of barrel, increases the service life.The utility model adopts polyethylene Pall ring as built-in filler, and its stable in properties makes alkali lye and contains the reverse flow of phenolic acid mist, and gas-liquid two-phase contact area is large.
Preferred according to the utility model, described alkali lye sprinkler head is semi open model alkali lye sprinkler head, by alkali lye spray line, is connected with the NaOH solution circulating pump outlet of outer setting, on described alkali lye spray line, is provided with stop valve.
Preferred according to the utility model, on described shell and the position corresponding with the first absorption chamber and the second absorption chamber be provided with filler filling hand hole, described filler filling hand hole is connected with described body seal by blank flange.
Preferred according to the utility model, the alkali lye spray line arranging in the first absorption chamber and the second absorption chamber is respectively 90 degree angle settings mutually.
Preferred according to the utility model, the packing volume of described polyethylene Pall ring is the 50-75% of described shell cumulative volume.Packed height is the 50-75% of absorption chamber height, can rationally adjust according to trapping effect, reserves alkali lye and sprays space, alkali lye is distributed more even.
Preferred according to the utility model, described middle part sieve plate and extraction plate are stainless steel sieve plate.
Preferred according to the utility model, the diameter of described shell is 800-1000mm, highly for 1000-1500mm.
Advantage of the present utility model is:
1, the utility model, by increasing alkali lye and the time of contact and the contact area that contain phenolic acid mist, makes fully to be absorbed containing harmful components such as the phenols in phenolic acid mist and sulfuric acid droplets, effectively reduces air pollution, improves surrounding environment.
2, the utility model is simple and reasonable, and equipment investment cost is low, is suitable for large-scale promotion utilization in close technique.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein: 1, shell; 2, filler filling hand hole; 3, alkali lye spray line; 4, alkali lye circulating slot connector; 5, flue connector; 6, alkali lye sprinkler head; 7-1, extraction plate; 7-2, middle part sieve plate; 8, stop valve; 9-1, the first absorption chamber; 9-2, the second absorption chamber.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but be not limited to this.
Embodiment 1,
A capturing device containing phenolic acid mist, comprises shell 1, alkali lye spray line 3 and sieve plate; Described shell 1 is tubular, is provided with flue connector 5 is connected with outside flue in the upper end of described shell 1, is provided with alkali lye circulating slot connector 4 and flue entrance in the lower end of described shell 1; Middle part and bottom at described shell 1 are respectively arranged with middle part sieve plate 7-2 and extraction plate 7-1, described middle part sieve plate 7-2 is from bottom to top divided into the first absorption chamber 9-1 and the second absorption chamber 9-2 by described shell 1, in described the first absorption chamber 9-1 and the second absorption chamber 9-2, be respectively arranged with alkali lye spray line 3, at the outlet end of described alkali lye spray line 3, alkali lye sprinkler head 6 be installed; On described middle part sieve plate 7-2 and extraction plate 7-1, being provided with polyethylene Pall ring is filled in respectively in the first absorption chamber 9-1 and the second absorption chamber 9-2.
Described alkali lye sprinkler head 6 is semi open model alkali lye sprinkler head, by alkali lye spray line 3, is connected with the NaOH solution circulating pump outlet of outer setting, on described alkali lye spray line 3, is provided with stop valve 8.
The packing volume of described polyethylene Pall ring is 50% of described shell cumulative volume.
Described middle part sieve plate 7-2 and extraction plate 7-1 are stainless steel sieve plate.
The diameter of described shell 1 is 800mm, highly for 1000mm.
Embodiment 2,
As described in Example 1 containing the capturing device of phenolic acid mist, its difference is, the packing volume of described polyethylene Pall ring is 60% of described shell cumulative volume.
On described shell 1 and the position corresponding with the first absorption chamber 9-1 and the second absorption chamber 9-2 be provided with filler filling hand hole 2, described filler filling hand hole 2 is tightly connected by blank flange and described shell 1.
The diameter of described shell 1 is 900mm, highly for 1200mm.
Embodiment 3,
As described in Example 1 containing the capturing device of phenolic acid mist, its difference is, the packing volume of described polyethylene Pall ring is 75% of described shell 1 cumulative volume.
The alkali lye spray line 3 arranging in the first absorption chamber 9-1 and the second absorption chamber 9-2 is respectively 90 degree angle settings mutually.
The diameter of described shell 1 is 1000mm, highly for 1500mm.
The method of work of a kind of capturing device containing phenolic acid mist as described in embodiment 1-3:
When need to in smog containing phenolic acid mist while trapping, describedly containing phenolic acid mist, along flue entrance, by the bottom of shell, enter the first absorption chamber, the excessive descending alkali lye evenly spraying with alkali lye sprinkler head fully contacts in polyethylene Pall ring filler, phenols, sulfuric acid droplet reacts with alkali lye generation acid-base neutralization and generates phenates and metabisulfite solution, backflow falls into alkali lye circulating slot, residue containing phenolic acid mist continue upwards to enter the second absorption chamber again with alkaline reaction, phenates and metabisulfite solution, backflow falls into alkali lye circulating slot, finally air and the steam after purifying enters atmosphere by flue connector through outside flue.
Claims (7)
1. containing a capturing device for phenolic acid mist, it is characterized in that, this device comprises shell, alkali lye spray line and sieve plate; Described shell is tubular, is provided with flue connector is connected with outside flue in the upper end of described shell, in the lower end of described shell, is provided with alkali lye circulating slot connector and flue entrance; Middle part and bottom at described shell are respectively arranged with middle part sieve plate and extraction plate, described middle part sieve plate is from bottom to top divided into the first absorption chamber and the second absorption chamber by described shell, in described the first absorption chamber and the second absorption chamber, be respectively arranged with alkali lye spray line, at the outlet end of described alkali lye spray line, alkali lye sprinkler head be installed; On described middle part sieve plate and extraction plate, being provided with polyethylene Pall ring is filled in respectively in the first absorption chamber and the second absorption chamber.
2. a kind of capturing device containing phenolic acid mist according to claim 1, it is characterized in that, described alkali lye sprinkler head is semi open model alkali lye sprinkler head, by alkali lye spray line, is connected with the NaOH solution circulating pump outlet of outer setting, on described alkali lye spray line, is provided with stop valve.
3. a kind of capturing device containing phenolic acid mist according to claim 1, it is characterized in that, on described shell and the position corresponding with the first absorption chamber and the second absorption chamber be provided with filler filling hand hole, described filler filling hand hole is connected with described body seal by blank flange.
4. a kind of capturing device containing phenolic acid mist according to claim 1, is characterized in that, the alkali lye spray line arranging in the first absorption chamber and the second absorption chamber is respectively 90 degree angle settings mutually.
5. a kind of capturing device containing phenolic acid mist according to claim 1, is characterized in that, the packing volume of described polyethylene Pall ring is the 50-75% of described shell cumulative volume.
6. a kind of capturing device containing phenolic acid mist according to claim 1, is characterized in that, described middle part sieve plate and extraction plate are stainless steel sieve plate.
7. a kind of capturing device containing phenolic acid mist according to claim 1, is characterized in that, the diameter of described shell is 800-1000mm, highly is 1000-1500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320449523.5U CN203389520U (en) | 2013-07-25 | 2013-07-25 | Phenol-containing acid mist trapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320449523.5U CN203389520U (en) | 2013-07-25 | 2013-07-25 | Phenol-containing acid mist trapping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203389520U true CN203389520U (en) | 2014-01-15 |
Family
ID=49901083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320449523.5U Expired - Fee Related CN203389520U (en) | 2013-07-25 | 2013-07-25 | Phenol-containing acid mist trapping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203389520U (en) |
-
2013
- 2013-07-25 CN CN201320449523.5U patent/CN203389520U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20160725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |