CN206762633U - A kind of spiral-flow plate-type chiasma type handles nitrous oxides exhaust gas washing, purifying tower - Google Patents
A kind of spiral-flow plate-type chiasma type handles nitrous oxides exhaust gas washing, purifying tower Download PDFInfo
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- CN206762633U CN206762633U CN201720522372.XU CN201720522372U CN206762633U CN 206762633 U CN206762633 U CN 206762633U CN 201720522372 U CN201720522372 U CN 201720522372U CN 206762633 U CN206762633 U CN 206762633U
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- flow plate
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- spray absorber
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Abstract
The utility model discloses a kind of spiral-flow plate-type chiasma type processing nitrous oxides exhaust gas washing, purifying tower, including spray absorber and the spray equipment that is arranged on inside spray absorber；The lower section of spray equipment sets two layers or multi-layer rotational flow plate；Spiral board includes rotating forward spiral board and reversion spiral board；The lower section of every layer of spiral board sets fixed support, and fixed support is welded on inside the tower body of spray absorber.Spiral-flow plate-type chiasma type processing nitrous oxides exhaust gas washing, purifying tower of the present utility model uses liquid absorption method, and multi-layer rotational flow plate is added in spray absorber, and one layer of rotating forward of spiral board, one layer of reversion, it is arranged in a crossed manner, drastically increase the gas liquid interfacial area in tower, strengthen chemical reaction efficiency, absorption efficiency and detergent power are improved, more far better than in general material filling type effect, the purifying rate of waste gas is up to more than 95%.
Description
Technical field
It the utility model is related to a kind of spiral-flow plate-type chiasma type processing nitrous oxides exhaust gas washing, purifying tower.
Background technology
Using salpeter solution process process can all produce nitrous oxides exhaust gas, it be endangered in waste gas it is larger also more refractory
The acid waste gas of reason.Nitrogen can form many oxide with oxygen, and nitrogen oxides is the general name of these oxides, often with NOXTo represent.
The nitrogen oxides of energy individualism is mainly NO under normal temperature2The N of balance is formed therewith2O4And NO gases, these three gases pair
The harm of human body is also larger.Nitrogen dioxide is a kind of brownish red gas, with asphyxiating and intense irritation；Dinitrogen tetroxide is then
It is colourless.At normal temperatures, nitrogen dioxide can be formed with dinitrogen tetroxide and balanced, generally NO2Account for 70%.NO2And N2O4Poison
Property is similar.Nitrogen oxides is strong caustic gas, to plant area's equipment and hardware, some home amenities of surrounding environment and agriculture
Crop etc. may all damage.In order to take precautions against adverse consequences caused by nitrogen oxides, workshop must have stronger exhaust system,
Should also there is reliable cleaning treatment system.Nitrous oxides exhaust gas caused by electroplating workshop, it is characterized in density unevenness weighing apparatus property.Discontinuously
Property and dampness.Therefore, the method for handling this waste gas also must be considered that its these characteristics, the purification effect that can have just received
Fruit.
The method of processing electroplating workshop nitrogen oxides is mainly adsorbent absorption method at present（Dry method）And liquid absorption method（It is wet
Method）Two kinds.Activated carbon is to handle the most frequently used solid absorbent of electroplating workshop nitrogen oxides.With charcoal absorption nitrogen oxides
Adsorption capacity ratio molecular sieve and silica gel are all high, very strong to low-concentration nitrogen oxide adsorption capacity.It is a kind of specific surface area very
The solid matter of big form stable, the activated carbon of some kinds not only have physisorption to oxides of nitrogen gas, and
And also there is electronation effect, NO gases and NO can be made2Gas is changed into nitrogen and carbon dioxide with carbon reaction.Using suction
Attached method processing nitrogen oxides gives up its purification efficiency height, as long as regeneration would not be desorbed naturally in time.In northern China cold district,
Particularly suitable to use dry-like method processing equipment, winter is not likely to produce the normal operation to freeze to equipment is influenceed.Its weak point is just
It is that equipment resistance is larger, it is higher from the pressure of blower fan.
The content of the invention
The purpose of this utility model is to provide a kind of spiral-flow plate-type chiasma type processing nitrous oxides exhaust gas washing, purifying tower.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of spiral-flow plate-type chiasma type handles nitrous oxides exhaust gas washing, purifying tower, including spray absorber and is arranged on
Spray equipment inside the spray absorber；The tower body bottom side of the spray absorber sets exhaust gas entrance；The spray
The top for drenching absorption tower sets clean gas outlet；The lower section of the spray equipment sets two layers or multi-layer rotational flow plate；The eddy flow
Plate includes rotating forward spiral board and reversion spiral board；The lower section of every layer of spiral board sets fixed support, and the fixed support is welded on
Inside the tower body of spray absorber.
Preferably, the height of the tower body of the spray absorber is more than 7 meters.
Due to the application of above-mentioned technical proposal, the utility model has the following advantages that compared with prior art：
Spiral-flow plate-type chiasma type processing nitrous oxides exhaust gas washing, purifying tower described in the utility model uses liquid absorption
Method, and multi-layer rotational flow plate is added in spray absorber, and one layer of rotating forward of spiral board, one layer of reversion is arranged in a crossed manner, greatly
The gas liquid interfacial area in tower is improved, strengthens chemical reaction efficiency, improves absorption efficiency and detergent power, filled out than in general
Material formula effect is far better, and the purifying rate of waste gas is up to more than 95%.
Brief description of the drawings
Accompanying drawing 1 is the overall knot that spiral-flow plate-type chiasma type described in the utility model handles nitrous oxides exhaust gas washing, purifying tower
Structure schematic diagram；
Accompanying drawing 2 is the structural representation of spiral board described in the utility model；
In figure：1st, spray absorber；2nd, spray equipment；3rd, exhaust gas entrance；4th, clean gas outlet；5th, spiral board.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As illustrated, the utility model provides a kind of spiral-flow plate-type chiasma type processing nitrous oxides exhaust gas washing, purifying tower,
Including spray absorber 1 and the spray equipment 2 being arranged on inside the spray absorber 1；The tower body of the spray absorber 1
Bottom side sets exhaust gas entrance 3；The top of the spray absorber 1 sets clean gas outlet 4；Under the spray equipment 2
Side sets two layers or multi-layer rotational flow plate 5；The spiral board 5 includes rotating forward spiral board and reversion spiral board；Under every layer of spiral board 5
Side sets fixed support, and the fixed support is welded on inside the tower body of spray absorber 1.The tower body of the spray absorber 1
Height be more than 7 meters.
Spiral-flow plate-type chiasma type processing nitrous oxides exhaust gas washing, purifying tower described in the utility model uses liquid absorption
Method, liquid absorption method are the methods that the nitrogen oxides in waste gas is absorbed with water or a variety of aqueous solution.
Use alkali absorption method can be with the more stable nitrous oxides exhaust gas of absorption strength.By sodium hydroxide, calcium hydroxide,
The aqueous slkali such as ammonium hydroxide or sodium carbonate is sent into spray absorber, and these liquid are contacted with nitrous oxides exhaust gas, will reacted raw
Into NO3-N and NO2-N.
Nitrous oxides exhaust gas can also be handled using reducing absorping method in the design, the purification efficiency of this method compared with
It is high.Reducing absorping method is that nitrogen oxides is given up as absorbing liquid using reducing agent aqueous solutions such as sulphite, sulfide or urea
Aspiration receives in solution and is reduced to ammonia.
In equipment for treating waste gas containing nitric oxide, also have and add what sulfide or urea were absorbed in alkali lye, such as adopt
By the use of 8% sodium hydroxide and 10% vulcanized sodium mixed aqueous solution as absorbing liquid, or with sodium hydroxide solution multi-stage spray inhale
Add one-level sodium sulfide solution spray-absorption after receipts again, effect is more preferable, and its absorptivity is up to more than 90%.
The utility model also add in spray absorber two layers or multi-layer rotational flow plate, and one layer of rotating forward of spiral board, and one
Layer reversion, it is arranged in a crossed manner, the gas liquid interfacial area in tower is drastically increased, strengthens chemical reaction efficiency, improves absorption effect
Rate and detergent power, more far better than in general material filling type effect, the purifying rate of waste gas is up to more than 95%.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (2)
1. a kind of spiral-flow plate-type chiasma type handles nitrous oxides exhaust gas washing, purifying tower, it is characterised in that including：Spray absorber
And it is arranged on the spray equipment inside the spray absorber；The tower body bottom side of the spray absorber sets waste gas to enter
Mouthful；The top of the spray absorber sets clean gas outlet；The lower section of the spray equipment sets two layers or multi-layer rotational flow plate；
The spiral board includes rotating forward spiral board and reversion spiral board；The lower section of every layer of spiral board sets fixed support, the fixed branch
Frame is welded on inside the tower body of spray absorber.
2. spiral-flow plate-type chiasma type according to claim 1 handles nitrous oxides exhaust gas washing, purifying tower, it is characterised in that：
The height of the tower body of the spray absorber is more than 7 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720522372.XU CN206762633U (en) | 2017-05-11 | 2017-05-11 | A kind of spiral-flow plate-type chiasma type handles nitrous oxides exhaust gas washing, purifying tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720522372.XU CN206762633U (en) | 2017-05-11 | 2017-05-11 | A kind of spiral-flow plate-type chiasma type handles nitrous oxides exhaust gas washing, purifying tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206762633U true CN206762633U (en) | 2017-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720522372.XU Expired - Fee Related CN206762633U (en) | 2017-05-11 | 2017-05-11 | A kind of spiral-flow plate-type chiasma type handles nitrous oxides exhaust gas washing, purifying tower |
Country Status (1)
| Country | Link |
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| CN (1) | CN206762633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992018A (en) * | 2020-08-21 | 2020-11-27 | 福建华威钜全精工科技有限公司 | Yellow tobacco treatment easy preparation and preparation method thereof |
-
2017
- 2017-05-11 CN CN201720522372.XU patent/CN206762633U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992018A (en) * | 2020-08-21 | 2020-11-27 | 福建华威钜全精工科技有限公司 | Yellow tobacco treatment easy preparation and preparation method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20210511 |