CN202336279U - Device for recycling fluorinated gas - Google Patents
Device for recycling fluorinated gas Download PDFInfo
- Publication number
- CN202336279U CN202336279U CN2011204520204U CN201120452020U CN202336279U CN 202336279 U CN202336279 U CN 202336279U CN 2011204520204 U CN2011204520204 U CN 2011204520204U CN 201120452020 U CN201120452020 U CN 201120452020U CN 202336279 U CN202336279 U CN 202336279U
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- tower body
- tower
- fluoro
- recycling
- underflow groove
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Abstract
The utility model discloses a device for recycling fluorinated gas. The device comprises absorption towers of three stages, the absorption tower of each stage comprises a tower body of which the lower part is provided with a bottom trough, the bottom liquid outlet port of the tower body is installed in the bottom trough, the upper part of the bottom trough is provide with a bottom trough liquid outlet; the bottom trough liquid outlet is connected with an overflow groove, and the overflow groove is connected with the top liquid return port of the tower body; a plurality of guide plates are installed in the tower body and distributed alternately in a vertical space, and a sprayer is installed on top; the lower part of the tower body of the first-stage absorption tower is provided with a fluorinated gas inlet port, the adjacent second-stage absorption towers are connected by virtue of an air duct, an exhaust pipeline is installed on the top of the tower body of the last-stage absorption tower, and a draught fan is installed on the exhaust pipeline. The utility model can be applied to the absorption of silicon tetrafluoride generated during the integrated utilization of potassium-contained rock, the tail gas is recycled from waste into wealth, and the maximized integrated utilization of resources is realized.
Description
Technical field
The utility model relates to a kind of device of recycling fluoro-gas.
Background technology
At present, China is a fluorine resource big country, and the main source of fluorine is the fluoro-gas or the useless fluosilicic acid of each phosphate fertilizer, the discharging of phosphorous chemical industry enterprise.Through the next investigation of some months to China southwest phosphorous chemical industry enterprise; Fluoro-gas is used to produce prodan in the leading enterprise of each big phosphate fertilizer and chemical industry or fluosilicic acid is sold; But all adopt the ripple drying wheel method of the seventies to reclaim, organic efficiency only 70%.And the individual little factory of year processing rock phosphate in powder below 300,000 tons directly discharges, and 20% fluosilicic acid with recovery returns to be spread across to be sold in the general calcium, only has 10% with the fluosilicic acid sale of reclaiming.Since in producing the process of potash fertilizer with fluosilicic acid as one of auxiliary agent, so how to absorb the fluorinated tail gas of phosphate fertilizer plant's discharging not only help alleviating current environmental pressure but also the sustainable development of China's economy had great directive significance.This shows, press for a kind of device of recycling fluoro-gas.
The utility model content
The task of the utility model is to provide a kind of device of recycling fluoro-gas.
Its technical solution is:
A kind of device of recycling fluoro-gas; Comprise at least three grades of absorption towers, absorption towers at different levels comprise tower body, below tower body, are provided with the underflow groove; The bottom fluid port of tower body is inserted in the underflow groove; Be provided with underflow groove leakage fluid dram on the top of underflow groove, underflow groove leakage fluid dram connects overflow launder, and overflow launder connects the top liquid returning end mouth of tower body through circulating pump and pipeline; Several deflectors are set in tower body, and all deflectors alternately distribute on vertical space, and the top is provided with spray thrower; Tower body bottom on first order absorption tower is provided with the fluoro-gas entry port, connects through the air guide pipeline between the tower body on the two-stage absorption tower that precedence is adjacent, is provided with gas exhaust piping at the tower body top on final stage absorption tower, and gas exhaust piping is provided with air-introduced machine.
In the underflow groove, be provided with underflow groove buffer, the bottom fluid port of tower body connects underflow groove buffer.
Above-mentioned underflow groove middle and upper part is provided with the concentration adjustment valve, and the concentration adjustment valve connects overflow launder.
The device of above-mentioned recycling fluoro-gas also comprises the solid collection groove, and the solid collection groove is through the be connected in parallel bottom land solid outlet of each underflow groove of solid intake line.
In above-mentioned underflow groove, be provided with and receive the liquid pallet, receive the liquid pallet to be positioned at the below of underflow groove buffer, receiving the liquid pallet is semicircular or circular.
Above-mentioned absorption tower is three grades; Tower body bottom on first order absorption tower is provided with the fluoro-gas entry port; Between the tower body on first order absorption tower and absorption tower, the second level; And be connected through the air guide pipeline between the tower body on absorption tower, the second level and third level absorption tower, be provided with gas exhaust piping at the tower body top on third level absorption tower.
The air inlet end of above-mentioned air guide pipeline is connected the exhaust ports at corresponding tower body top, and the outlet side of air guide pipeline is connected the air inlet place of corresponding tower body bottom.
Above-mentioned deflector is semicircle.
The utlity model has following useful technique effect:
Tail gas is turned waste into wealth in the absorption of harmful tail gas such as fluorine-containing in ocratation that the utility model can be applicable to produce in the potassium bearing rock comprehensive utilization or the chemical process, realizes the maximization comprehensive utilization of resource.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described further:
Figure is the structural principle sketch map of a kind of embodiment of the utility model.
The specific embodiment
In conjunction with accompanying drawing, a kind of device of recycling fluoro-gas comprises at least three grades of absorption towers, originally is exemplified as three grades of absorption towers, i.e. first order absorption tower 1, absorption tower, the second level 2 and third level absorption tower 3.Tower body bottom on first order absorption tower is provided with fluoro-gas entry port 4; Be connected through air guide pipeline 5 between the tower body on first order absorption tower and absorption tower, the second level; Be connected through air guide pipeline 6 between the tower body on absorption tower, the second level and third level absorption tower; The air inlet end of above-mentioned each air guide pipeline is connected the exhaust ports at corresponding tower body top, and the outlet side of air guide pipeline is connected the air inlet place of corresponding tower body bottom; Tower body top on third level absorption tower is provided with gas exhaust piping 7, and gas exhaust piping is provided with air-introduced machine 8.First order absorption tower 1 comprises tower body 101; Below tower body, be provided with underflow groove 102; The bottom fluid port of tower body is inserted in the underflow groove; Be provided with underflow groove leakage fluid dram on the top of underflow groove, underflow groove leakage fluid dram connects overflow launder 103, and overflow launder connects the top liquid returning end mouth of tower body through circulating pump 104 and pipeline; Several deflectors 105 are set in tower body, and deflector is preferably semicircle, and all deflectors alternately distribute on vertical space, and the tower body inner top is provided with spray thrower 106; In above-mentioned underflow groove, be provided with underflow groove buffer 107, the bottom fluid port of tower body connects underflow groove buffer; Above-mentioned underflow groove middle and upper part is provided with concentration adjustment valve 108, and the concentration adjustment valve connects overflow launder; In above-mentioned underflow groove, be provided with and receive liquid pallet 109, receive the liquid pallet to be positioned at the below of underflow groove buffer, receiving the liquid pallet is semicircular or circular.Absorption tower, the second level 2 comprises tower body 201; Below tower body, be provided with underflow groove 202; The bottom fluid port of tower body is inserted in the underflow groove; Be provided with underflow groove leakage fluid dram on the top of underflow groove, underflow groove leakage fluid dram connects overflow launder 203, and overflow launder connects the top liquid returning end mouth of tower body through circulating pump 204 and pipeline; Several deflectors 205 are set in tower body, and all deflectors alternately distribute on vertical space, and the top is provided with spray thrower 206; In above-mentioned underflow groove, be provided with underflow groove buffer 207, the bottom fluid port of tower body connects underflow groove buffer; Above-mentioned underflow groove middle and upper part is provided with concentration adjustment valve 208, and the concentration adjustment valve connects overflow launder; In above-mentioned underflow groove, be provided with and receive liquid pallet 209, receive the liquid pallet to be positioned at the below of underflow groove buffer, receiving the liquid pallet is semicircular or circular.Third level absorption tower 3 comprises tower body 301; Below tower body, be provided with underflow groove 302; The bottom fluid port of tower body is inserted in the underflow groove; Be provided with underflow groove leakage fluid dram on the top of underflow groove, underflow groove leakage fluid dram connects overflow launder 303, and overflow launder connects the top liquid returning end mouth of tower body through circulating pump 304 and pipeline; Several deflectors 305 are set in tower body, and all deflectors alternately distribute on vertical space, and the top is provided with spray thrower 306; In above-mentioned underflow groove, be provided with underflow groove buffer 307, the bottom fluid port of tower body connects underflow groove buffer; Above-mentioned underflow groove middle and upper part is provided with concentration adjustment valve 308, and the concentration adjustment valve connects overflow launder; In above-mentioned underflow groove, be provided with and receive liquid pallet 309, receive the liquid pallet to be positioned at the below of underflow groove buffer, receiving the liquid pallet is semicircular or circular.
The device of above-mentioned recycling fluoro-gas also comprises solid collection groove 9, and the solid collection groove is through the be connected in parallel bottom land solid outlet of each underflow groove 102,202,302 of solid intake line.
Its operation principle roughly is:
Fluoro-gas gets into the tower body on first order absorption tower through the fluoro-gas entry port, with the abundant counter current contacting of liquid down by tower inner top spray of the deflector of flowing through successively, completion absorption process.Get into the buffer of underflow groove behind the liquid-absorbent gas, buffer is the unhurried current design at underflow groove middle part, can make most of solid enter into the tapering part of underflow groove, and liquid gets into overflow launder through the concentration adjustment valve.1-3 liquid outlet can be set on the underflow groove; Desirable and can open the concentration adjustment valve when hoping that concentration increases the liquid that circulates in the underflow groove is reduced when assimilation effect; When assimilation effect is undesirable, close the concentration adjustment valve circulating fluid in the underflow groove is increased, increase assimilation effect; Liquid after gas-liquid fully absorbs gets into the buffer of underflow groove; Absorb pending next step operation processing such as bottom that the solid that forms gets into the underflow groove through cushioning effect; Liquid gets into overflow launder through the concentration adjustment valve; Be transported to the top of tower body again through circulating pump, form circulation through spray thrower and constantly absorb.Absorb the tower body that the unabsorbed fluoro-gas in back then gets into two-level absorption tower through one-level and further absorb, and further absorb again by the tower body that the tower body of two-level absorption tower gets into three grades of absorption towers.When gas flow is big, can start air-introduced machine and form negative pressure in the tower body, make gas and liquid absorbing contacting better.
Except that aforesaid way, the absorption tower also can be level Four, Pyatyi or six or the like.
Need to prove that those skilled in the art can also make such or such easy variation pattern under the instruction of this specification, such as equivalent way, or obvious mode of texturing.Above-mentioned variation pattern all should be within the protection domain of the utility model.
Claims (8)
1. device of recycling fluoro-gas; It is characterized in that comprising at least three grades of absorption towers, absorption towers at different levels comprise tower body, below tower body, are provided with the underflow groove; The bottom fluid port of tower body is inserted in the underflow groove; Be provided with underflow groove leakage fluid dram on the top of underflow groove, underflow groove leakage fluid dram connects overflow launder, and overflow launder connects the top liquid returning end mouth of tower body through circulating pump and pipeline; Several deflectors are set in tower body, and all deflectors alternately distribute on vertical space, and the top is provided with spray thrower; Tower body bottom on first order absorption tower is provided with the fluoro-gas entry port, connects through the air guide pipeline between the tower body on the two-stage absorption tower that precedence is adjacent, is provided with gas exhaust piping at the tower body top on final stage absorption tower, and gas exhaust piping is provided with air-introduced machine.
2. the device of recycling fluoro-gas according to claim 1 is characterized in that: in said underflow groove, be provided with underflow groove buffer, the bottom fluid port of tower body connects underflow groove buffer.
3. the device of recycling fluoro-gas according to claim 2 is characterized in that: said underflow groove middle and upper part is provided with the concentration adjustment valve, and the concentration adjustment valve connects overflow launder.
4. the device of recycling fluoro-gas according to claim 1 is characterized in that: the device of said recycling fluoro-gas also comprises the solid collection groove, and the solid collection groove is through the be connected in parallel bottom land solid outlet of each underflow groove of solid intake line.
5. the device of recycling fluoro-gas according to claim 2 is characterized in that: in said underflow groove, be provided with and receive the liquid pallet, receive the liquid pallet to be positioned at the below of underflow groove buffer, receiving the liquid pallet is semicircular or circular.
6. the device of recycling fluoro-gas according to claim 1; It is characterized in that: said absorption tower is three grades; Tower body bottom on first order absorption tower is provided with the fluoro-gas entry port; Between the tower body on first order absorption tower and absorption tower, the second level, and be connected through the air guide pipeline between the tower body on absorption tower, the second level and third level absorption tower, be provided with gas exhaust piping at the tower body top on third level absorption tower.
7. the device of recycling fluoro-gas according to claim 6 is characterized in that: the air inlet end of said air guide pipeline is connected the exhaust ports at corresponding tower body top, and the outlet side of air guide pipeline is connected the air inlet place of corresponding tower body bottom.
8. the device of recycling fluoro-gas according to claim 1 is characterized in that: said deflector is for semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204520204U CN202336279U (en) | 2011-11-15 | 2011-11-15 | Device for recycling fluorinated gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204520204U CN202336279U (en) | 2011-11-15 | 2011-11-15 | Device for recycling fluorinated gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202336279U true CN202336279U (en) | 2012-07-18 |
Family
ID=46484985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204520204U Expired - Fee Related CN202336279U (en) | 2011-11-15 | 2011-11-15 | Device for recycling fluorinated gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202336279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112495138A (en) * | 2020-12-03 | 2021-03-16 | 天长市富信电子有限公司 | Waste gas purification device for screen line production |
-
2011
- 2011-11-15 CN CN2011204520204U patent/CN202336279U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112495138A (en) * | 2020-12-03 | 2021-03-16 | 天长市富信电子有限公司 | Waste gas purification device for screen line production |
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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: 20120718 Termination date: 20161115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |