CN211987984U - Noble metal dissolves sour gas treatment tower - Google Patents
Noble metal dissolves sour gas treatment tower Download PDFInfo
- Publication number
- CN211987984U CN211987984U CN202020618163.7U CN202020618163U CN211987984U CN 211987984 U CN211987984 U CN 211987984U CN 202020618163 U CN202020618163 U CN 202020618163U CN 211987984 U CN211987984 U CN 211987984U
- Authority
- CN
- China
- Prior art keywords
- air
- noble metal
- gas treatment
- collecting tank
- treatment tower
- 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.)
- Active
Links
Images
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to a noble metal dissolves sour gas treatment tower, it includes the tower body, and tower body lower extreme one side and upper end are provided with air inlet and gas outlet, and top-down has set gradually alkaline drying layer, defogging layer, spray set, packing layer and collecting tank in the tower body. The air inlet is internally provided with an air blowing part for guiding acid waste gas, the air blowing part comprises an air inlet pipe and an air blowing box, the air blowing box is arranged below the liquid level of the liquid collecting tank, and the air blowing box is provided with a plurality of air holes for discharging the waste gas. The utility model has the advantages of improve sour gas purification efficiency.
Description
Technical Field
The utility model relates to a waste gas treatment technical field, more specifically say, it relates to a noble metal dissolves sour gas treatment tower.
Background
The extraction, separation and refining of noble metals and the preparation of noble metal compounds require dissolution, the soluble noble metals are usually leached from waste materials by a hydrometallurgical technology, the main methods include aqua regia dissolution, sulfuric acid or nitric acid dissolution and aqueous solution chlorination dissolution, waste gas containing acidic gas is generated after dissolution, the acidic waste gas is usually introduced into a purification tower, the waste gas and alkali liquor from top to bottom are subjected to gas-liquid two-phase full contact absorption and neutralization reaction after passing through a filler layer, and the acidic waste gas is purified and discharged.
Chinese patent No. CN205235737U discloses a spray tower for acid-base waste gas treatment, comprising: the tower body sets up in the tower body spray the chamber, sets up in the defogging layer that sprays the chamber top, sets up in defogging layer below packing layer, sprays the intracavity and is provided with the spray line head that links to each other with outside water circulating system, is provided with on the tower body with spray the air intake that the chamber is linked together, the top of tower body be provided with spray the air outlet that the chamber is linked together.
The prior art is similar to the spray tower mentioned above, and the principle is that the acid gas in the waste gas is removed by neutralization reaction of the rising waste gas and the descending alkali liquor, but there are situations where the reaction is insufficient, for example, when the waste gas flow rate is fast, the waste gas which is not fully reacted is discharged from the upper outlet, and therefore a spray tower for purifying the acid waste gas with higher efficiency is needed.
SUMMERY OF THE UTILITY MODEL
To the technical problem that has now, an object of the utility model is to provide a noble metal dissolves sour gas treatment tower, its advantage that has the improvement purification efficiency.
In order to achieve the above purpose, the utility model provides a following technical scheme: a noble metal dissolved acid gas treatment tower comprises a tower body, wherein an air outlet, a demisting layer, a spraying device, a packing layer, an air inlet and a liquid collecting tank are sequentially arranged in the tower body from top to bottom, an air blowing part for guiding waste gas is arranged on the inner side of the air inlet, the lower end of the air blowing part extends into the liquid collecting tank below the liquid level, and a plurality of air holes for discharging the waste gas are formed in one end of the air blowing part extending into the liquid collecting tank below the liquid level.
By adopting the technical scheme, the acidic waste gas is guided to the position below the liquid level through the air blowing piece and is discharged in a bubble mode through the air holes in the air blowing piece, so that the acidic waste gas and the alkali liquor in the liquid collecting tank are subjected to sufficient gas-liquid two-phase neutralization absorption reaction, most of acidic components in the acidic waste gas are removed, then the waste gas is subjected to secondary neutralization absorption reaction with the alkali liquor from top to bottom through the packing layer from bottom to top, and the purification efficiency of the acidic waste gas is further improved through multiple absorption and purification of the acidic waste gas.
The utility model discloses further set up to: the air blowing part comprises an air inlet pipe and an air blowing box, the air inlet pipe and the air blowing box are sequentially arranged along the flowing direction of waste gas, the air blowing box is arranged below the liquid level of the liquid collecting tank, and all air holes are formed in the air blowing box; a plurality of branch pipes are arranged on the air outlet end of the air inlet pipe side by side, and the lower ends of the branch pipes are uniformly distributed on the air blowing box.
Through adopting above-mentioned technical scheme, through setting up a plurality of bleeder, with acid waste gas dispersion to the air-blowing case in, the bubble is removed in the play production of air-blowing incasement now, and flow out and split into a plurality of small bubbles and carry out neutralization reaction once more and absorb via the gas pocket, so set up and will promote the neutralization absorption of acid waste gas and alkali lye, further improve the purification efficiency of acid waste gas.
The utility model discloses further set up to: be provided with a transfer box in the intake pipe, the upper end of each bleeder pipe all is connected with the transfer box, and the transfer box all passes through flange joint with each bleeder pipe and intake pipe.
Through adopting above-mentioned technical scheme, be convenient for realize dispersing acid waste gas to each bleeder through setting up the keysets, simultaneously, the keysets passes through the ring flange with each bleeder and intake pipe and is connected, and the staff of being convenient for installs each bleeder.
The utility model discloses further set up to: the transfer box is arranged in a hollow spherical shape.
By adopting the technical scheme, the adapter box is arranged into a spherical shape, so that the phenomenon that the adapter box is corroded due to the fact that the alkali liquor from top to bottom stays at the upper end of the adapter box for a long time is avoided.
The utility model discloses further set up to: an alkaline drying layer is arranged on one side of the demisting layer close to the air outlet.
Through adopting above-mentioned technical scheme, singly lean on the defogging layer to carry out the defogging, its defogging effect is relatively poor, carries out drying process through setting up the waste gas that alkaline drying layer will be discharged spray column, carries out the resorption once more to the acid waste gas of not fully reacting, further improves acid waste gas's purification efficiency.
The utility model discloses further set up to: the spraying device comprises a water pump communicated with the liquid collecting tank, a spraying pipe for conveying the alkali liquor to the tower body for spraying, and a nozzle, wherein a Y-shaped filtering device is arranged on the spraying pipe.
Through adopting above-mentioned technical scheme, because alkali lye can bring the dust into in purifying acid waste gas, when taking out the alkali lye in the collecting tank and spraying on spray set, carry impurity in the alkali lye and will probably block up spray set, consequently will set up Y type filter equipment and will carry the alkali lye to the shower and filter, further avoid impurity to block up spray set.
The utility model discloses further set up to: the liquid collecting tank is provided with a liquid level device.
Through adopting above-mentioned technical scheme, implement the liquid level height that detects in the collecting tank through setting up the level gauge, the staff of being convenient for monitors the inside state of collecting tank.
The utility model discloses further set up to: the lower end of the liquid collecting tank is also provided with a slag discharging pipe.
Through adopting above-mentioned technical scheme, will deposit a large amount of sediments with the bottom of collecting tank after long-time acid exhaust purification, consequently will set up the scum pipe and discharge the sediment.
The utility model discloses further set up to: and a supporting rod for reinforcing the air blowing piece is also arranged in the tower body.
Through adopting above-mentioned technical scheme, because the air-blowing piece is unsettled to be set up in the tower body, consolidate the air-blowing piece through setting up the bracing piece, further improvement air-blowing piece's installation stability.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the acid waste gas and the alkali liquor are further fully neutralized and absorbed for reaction in a bubbling mode by guiding the acid waste gas into the liquid collecting tank, so that the purification efficiency of the acid waste gas is further improved;
(2) the upper end of the tower body is provided with the alkaline drying layer, so that the acid waste gas is subjected to further demisting and purification treatment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the air blowing member of the present invention.
Reference numerals: 1. a tower body; 2. an air outlet; 3. a demisting layer; 31. a fiber mist eliminator; 32. a rotating demister; 4. a spraying device; 41. a water pump; 42. a shower pipe; 43. a nozzle; 5. a filler layer; 6. an air inlet; 7. a liquid collecting tank; 8. an air blowing member; 81. an air inlet pipe; 82. an air blowing box; 9. air holes; 10. a branch pipe; 11. a transfer box; 12. an alkaline drying layer; 13. a Y-shaped filter device; 14. a liquid level gauge; 15. a slag discharge pipe; 16. a support bar; 17. a one-way valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a noble metal dissolves sour gas treatment tower, including cylindric tower body 1 that sets up, 1 lower extreme one side of tower body and upper end are provided with air inlet 6 and gas outlet 2 that are used for the waste gas business turn over respectively, and top-down has set gradually alkaline drying layer 12, defogging layer 3, spray set 4, packing layer 5 and collecting tank 7 in the tower body 1. The air inlet 6 is internally provided with an air blowing part 8 for guiding acid waste gas, the air blowing part 8 comprises an air inlet pipe 81 connected with the air inlet 6 and an air blowing box 82 arranged on the output end of the air inlet pipe 81, the air blowing box 82 is arranged below the liquid level of the liquid collecting tank 7, and the air blowing box 82 is provided with a plurality of air holes 9 for discharging the waste gas. The acid waste gas is introduced into the liquid collecting tank 7 in a bubble mode, so that the neutralization reaction with the alkali liquor is promoted, and the purification efficiency of the acid waste gas is further improved. In the present embodiment, the air blowing box 82 is disposed in a hollow cylindrical shape, the air blowing box 82 is disposed coaxially with the tower body 1, and the air blowing box 82 may be disposed in a hollow spherical shape or other hollow geometric shapes.
The alkaline drying layer 12 is filled with an alkaline drying agent such as soda lime, and is mainly used for further demisting insufficiently purified ascending gas and further absorbing acid gas. The demisting layer 3 comprises a fiber demister 31 and a rotary demister 32 which are sequentially arranged from top to bottom, so that rising acid mist waste gas is subjected to double demisting. The spraying device 4 comprises a water pump 41 connected with the liquid collecting tank 7, a spraying pipe 42 and a nozzle 43, wherein the alkali liquor in the liquid collecting tank 7 is pumped out to the spraying pipe 42 through the water pump 41 and is sprayed downwards in a spraying mode through the nozzle 43 on the spraying pipe 42. Furthermore, a Y-shaped filtering device 13 is arranged at the output end of the water pump 41, and the alkali liquor pumped from the water pump 41 to the spraying pipe 42 is filtered to avoid the impurities from blocking the nozzle 43.
Be provided with a keysets 11 that is the globular setting of cavity on intake pipe 81, the keysets 11 upper end passes through flange joint with intake pipe 81, the lateral pipe 10 that a plurality of pieces set up side by side is connected to keysets 11 lower extreme through flange, the lower extreme of each lateral pipe 10 all sets up with the upper end intercommunication of air-blowing case 82, form the bubble with acid waste gas for the first time in air-blowing case 82 and carry out neutralization absorption reaction with alkali lye, force the bubble division for the second time after passing through gas pocket 9, further promotion acid waste gas and the neutralization absorption of alkali lye.
The liquid collecting tank 7 is also provided with a liquid level device 14 and a PH detector (not shown in the figure) for detecting alkali liquor in the liquid collecting tank 7, so that real-time monitoring is carried out, and the feeding adjustment is convenient for workers. A slag discharge pipe 15 is arranged on one side of the bottom of the liquid collecting tank 7, so that sediment at the bottom of the liquid collecting tank 7 can be cleaned conveniently.
In order to stabilize the position of the air-blowing member 8, a plurality of support rods 16 are arranged in the tower body 1 at the bottom of the tower body 1 and connected between the inner side wall of the tower body 1 and the air inlet pipe 81. In order to prevent the alkali liquor in the liquid collecting tank 7 from flowing back to the air inlet pipe 81, a one-way valve 17 is arranged at the air inlet 6 outside the tower body 1.
The implementation principle of the embodiment is as follows: acid waste gas is introduced into the tower body 1 through the gas inlet 6, the acid waste gas flows onto the adapter box 11 through the gas inlet pipe 81, the acid waste gas flows to the branch pipes 10 through the adapter box 11, bubbles are generated in the gas blowing box 82 and are subjected to neutralization reaction with alkali liquor, the bubbles flow out through the gas holes 9 in the gas blowing box 82 under pressure, and are split again at the same time, the neutralization reaction absorption of the acid waste gas and the alkali liquor is promoted again, the acid waste gas rises after being subjected to most neutralization reaction and is discharged from the gas outlet 2 at the upper end of the tower body 1 through the packing layer 5, the spraying device 4, the demisting layer 3 and the alkaline drying layer 12.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a noble metal dissolves sour gas treatment tower, includes tower body (1), tower body (1) top-down has set gradually gas outlet (2), defogging layer (3), spray set (4), packing layer (5), air inlet (6) and collecting tank (7), its characterized in that: the air inlet (6) inboard is provided with air-blowing spare (8) that are used for guiding waste gas, air-blowing spare (8) lower extreme stretches into below the catch basin (7) liquid level, air-blowing spare (8) stretch into one of below the liquid level and are provided with a plurality of gas pockets (9) that are used for discharging waste gas.
2. The noble metal-dissolving acid gas treatment tower according to claim 1, wherein: the air blowing part (8) comprises an air inlet pipe (81) and an air blowing box (82) which are sequentially arranged along the flowing direction of waste gas, the air blowing box (82) is arranged below the liquid level of the liquid collecting tank (7), and each air hole (9) is arranged on the air blowing box (82); a plurality of branch pipes (10) are arranged on the air outlet end of the air inlet pipe (81) side by side, and the lower ends of the branch pipes (10) are uniformly distributed on the air blowing box (82).
3. The noble metal-dissolving acid gas treatment tower according to claim 2, wherein: the air inlet pipe (81) is provided with a junction box (11), the upper end of each branch pipe (10) is connected with the junction box (11), and the junction box (11) is connected with each branch pipe (10) and the air inlet pipe (81) through flanges.
4. The noble metal-dissolving acid gas treatment tower according to claim 3, wherein: the junction box (11) is arranged in a hollow spherical shape.
5. The noble metal-dissolving acid gas treatment tower according to claim 1, wherein: an alkaline drying layer (12) is arranged on one side of the demisting layer (3) close to the air outlet (2).
6. The noble metal-dissolving acid gas treatment tower according to claim 1, wherein: the spraying device (4) comprises a water pump (41) communicated with the liquid collecting tank (7), a spraying pipe (42) and a nozzle (43), wherein the spraying pipe (42) is used for conveying alkali liquor to the tower body (1) for spraying, and a Y-shaped filtering device (13) is arranged on the spraying pipe (42).
7. The noble metal-dissolving acid gas treatment tower according to claim 1, wherein: and a liquid level device (14) is arranged on the liquid collecting tank (7).
8. The noble metal-dissolving acid gas treatment tower according to claim 1, wherein: the lower end of the liquid collecting tank (7) is also provided with a slag discharging pipe (15).
9. The noble metal-dissolving acid gas treatment tower according to claim 1, wherein: and a support rod (16) used for reinforcing the air blowing piece (8) is also arranged in the tower body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020618163.7U CN211987984U (en) | 2020-04-22 | 2020-04-22 | Noble metal dissolves sour gas treatment tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020618163.7U CN211987984U (en) | 2020-04-22 | 2020-04-22 | Noble metal dissolves sour gas treatment tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211987984U true CN211987984U (en) | 2020-11-24 |
Family
ID=73416152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020618163.7U Active CN211987984U (en) | 2020-04-22 | 2020-04-22 | Noble metal dissolves sour gas treatment tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211987984U (en) |
-
2020
- 2020-04-22 CN CN202020618163.7U patent/CN211987984U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204865480U (en) | High -efficient desulfurization, denitration, dust removal and water conservation integration process systems | |
| CN207042222U (en) | Chlorine dioxide gaseous oxidation denitration integrated device | |
| CN105013313B (en) | A kind of ammoniacal ammonium sulphate method flue gas desulfurization device | |
| CN209020110U (en) | A kind of high-speed rotational formula spray purification tower | |
| CN206544920U (en) | It is a kind of efficiently to remove ammonia-nitrogen desorption reaction tower | |
| CN208032249U (en) | A kind of exhaust gas packed tower | |
| CN107855003B (en) | Ammonia water recycling device of ship denitration system based on SCR | |
| CN109647137B (en) | Fluorine absorption system for wet-process phosphoric acid | |
| CN211987984U (en) | Noble metal dissolves sour gas treatment tower | |
| CN202725007U (en) | Spray packing absorption tower | |
| CN209188480U (en) | A kind of rapidly and efficiently low-temperature flue gas desulfuring and denitrifying apparatus | |
| CN208839362U (en) | A kind of fibreglass epoxy acid mist purifying column | |
| CN207042226U (en) | A kind of cold rolling acid mist absorbs automatic circulating system | |
| CN217855434U (en) | High-efficient chemical deodorization device | |
| CN205868002U (en) | Flue gas desulfurization reaction tower | |
| CN214513725U (en) | Titanium tetrachloride tail gas treatment system | |
| CN204973533U (en) | Cold rolled stainless steel pickling exhaust purification system | |
| CN210314498U (en) | Acid circulation on-line recycling system | |
| CN210048498U (en) | Novel synthetic production device of trichlorosilane | |
| CN113996168A (en) | Efficient chemical deodorization device and method | |
| CN208612155U (en) | A kind of novel acid-fume absorber | |
| CN219111287U (en) | Desulfurizing tower | |
| CN208161335U (en) | A kind of environment-friendly type Full connected desulfurizing tower | |
| CN110172704A (en) | A kind of online recycling system of acid circulation | |
| CN113559676B (en) | Falling film absorption tower liquid inlet structure for chemical production, absorption tower and operation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |