CN202270462U - Membrane type ammonia absorber - Google Patents
Membrane type ammonia absorber Download PDFInfo
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- CN202270462U CN202270462U CN2011203534905U CN201120353490U CN202270462U CN 202270462 U CN202270462 U CN 202270462U CN 2011203534905 U CN2011203534905 U CN 2011203534905U CN 201120353490 U CN201120353490 U CN 201120353490U CN 202270462 U CN202270462 U CN 202270462U
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Abstract
The utility model discloses an ammonia absorber for absorbing ammonia gas in tail gas. The ammonia absorber comprises a first membrane component, a first gas inlet pipe, a first gas exhaust pipe, a first liquid inlet pipe and a first liquid discharging pipe, wherein the first membrane component has an action of gas-liquid separation; the first gas inlet pipe, the first gas exhaust pipe, the first liquid inlet pipe and the first liquid discharging pipe are arranged on the first membrane component; the tail gas enters the first membrane component from the first gas inlet pipe; absorbing liquid enters the first membrane component from the first liquid inlet pipe to absorb the ammonia gas in the tail gas; the absorbing liquid dissolved with the ammonia gas is discharged from the first liquid discharging pipe; and the redundant tail gas is exhausted from the first gas exhaust pipe. According to the ammonia absorber, the first membrane component has the action of gas-liquid separation, the tail gas containing the ammonia gas enters the first membrane component from the first gas inlet pipe, the absorbing liquid enters the first membrane component from the first liquid inlet pipe, the redundant tail gas is exhausted from the first gas exhaust pipe and the absorbing liquid dissolved with the ammonia gas is discharged from the first liquid discharging pipe, so that not only is the ammonia gas in the tail gas removed, but also the absorbing liquid dissolved with the ammonia gas is separated from the redundant gas efficiently by the first membrane component. Therefore, the ammonia absorber has higher efficiency.
Description
[technical field]
The utility model relates to the absorption plant that reclaims the ammonia in the tail gas, particularly relates to a kind of membrane type ammonia absorber.
[background technology]
Ammonia is one of important inorganic chemical product, has 80% ammonia to be used for producing chemical fertilizer, 20% raw material as other chemical products approximately.In Chemical Manufacture, be mixed with ammonia in the tail gas that emits, ammonia is an irritative gas, emits not only contaminated environment, and the waste resource, therefore, need from tail gas, remove ammonia and ammonia is reclaimed.
In order to reclaim and administer the pollution that ammonia causes, discharging again after domestic enterprise adopts water or acid to absorb to ammonia-containing exhaust mostly at present, the most frequently used equipment is spray absorber.Because absorb in the ammonia process with acid, acid solution has very big corrosivity, in cyclic process; Possibly have crystallization in the circulation fluid and separate out, can produce a large amount of acid mists after adopting single spray absorber to absorb, cause secondary pollution; This just needs extra increase by one cover demister system, has increased investment.Utilizing in the industry with water is single tower flow process of absorbent, and this tail gas absorption technology flow process is simple, but fluctuates when big when tail gas; The efficient that water absorbs ammonia is low, makes that the absorption of ammonia is insufficient, and water consumption is big; There is the unabsorbed ammonia of part to discharge in the air, influences environment, and caused the waste of resource; The concentration of ammonia is not high in the absorption liquid of this method simultaneously, needs to adopt deammoniation tower to repeat distillation, will increase the consumption of public work.
[utility model content]
Based on this, be necessary the ammonia absorber that provides a kind of efficient higher.
A kind of ammonia absorber; Be used for absorbing the ammonia of tail gas; Said ammonia absorber comprises first membrane module with gas-liquid separation effect and is arranged on first air inlet pipe, downtake pipe, first feed tube and first discharging tube on said first membrane module; Tail gas gets into said first membrane module from said first air inlet pipe; Absorption liquid gets into the ammonia that absorbs said first membrane module in the tail gas from said first feed tube, forms the absorption liquid that is dissolved with ammonia and discharges from said first discharging tube, and unnecessary tail gas is discharged from said downtake pipe.
In a preferred embodiment; Said first discharging tube is connected through one first return duct with said first feed tube, and the absorption liquid that is dissolved with ammonia that said first discharging tube gives off gets into said first membrane module once more through said first return duct and said first feed tube.
In a preferred embodiment, be equipped with first control valve of regulating the absorption liquid flow on said first feed tube and said first discharging tube.
In a preferred embodiment; Said ammonia absorber also comprises second membrane module with gas-liquid separation effect and is arranged on the second exhaust pipe and second feed tube on said second membrane module; The said downtake pipe and first feed tube are connected with said second membrane module respectively; The tail gas of discharging in the said downtake pipe gets into said second membrane module; Absorption liquid gets into said second membrane module from said second feed tube and absorbs the ammonia the tail gas, forms the absorption liquid that is dissolved with ammonia and gets into said first membrane module from said first feed tube, and tail gas unnecessary in said second membrane module is discharged from said second exhaust pipe.
In a preferred embodiment, first air inlet pipe is provided with first air intake pump that is used for tail gas is input into said first membrane module.
In a preferred embodiment; Said first discharging tube is connected through one second return duct with said second feed tube, and the absorption liquid that is dissolved with ammonia that said first discharging tube gives off feeds said second membrane module once more through said second return duct and said second feed tube.
In a preferred embodiment, be equipped with second control valve of regulating the absorption liquid flow on said second feed tube and said first discharging tube.
In a preferred embodiment; Said ammonia absorber also comprises second membrane module with gas-liquid separation effect and is arranged on second air inlet pipe, second exhaust pipe and second discharging tube on said second membrane module; Said first discharging tube is connected with said second membrane module; Said second air inlet pipe is connected with said first air inlet pipe; Part tail gas gets into said second membrane module from said first air inlet pipe through said second air inlet pipe, and the absorption liquid that is dissolved with ammonia of discharging in said first discharging tube gets into said second membrane module, dissolves the ammonia in the tail gas in said second membrane module once more; Formation is dissolved with the absorption liquid of ammonia and from said second discharging tube, discharges, and tail gas unnecessary in second membrane module is discharged from said second exhaust pipe.
In a preferred embodiment, said first air inlet pipe is provided with second air intake pump that is used for tail gas is input into said first membrane module and said second membrane module.
In a preferred embodiment; Said second discharging tube is connected through one the 3rd return duct with said first feed tube, and the absorption liquid that is dissolved with ammonia that said second discharging tube gives off gets into said first membrane module once more through said the 3rd return duct and said first feed tube.
First membrane module in the above-mentioned ammonia absorber has the effect of gas-liquid separation, and the tail gas that contains ammonia gets into first membrane module from first air inlet pipe, and absorption liquid gets into first membrane module from first feed tube; Unnecessary tail gas is discharged from downtake pipe; The absorption liquid that is dissolved with ammonia is discharged from first discharging tube, has not only removed the ammonia in the tail gas, and the absorption liquid that first membrane module will be dissolved with ammonia efficiently separates with unnecessary gas; Therefore, above-mentioned ammonia absorber has higher efficient.
[description of drawings]
Fig. 1 is the structural representation of the ammonia absorber of embodiment one;
Fig. 2 is the structural representation of the ammonia absorber of embodiment two;
Fig. 3 is the structural representation of the ammonia absorber of embodiment three.
[specific embodiment]
Below in conjunction with accompanying drawing and specific embodiment ammonia absorber is further specified.
As shown in Figure 1, the ammonia absorber 100 of embodiment one is used for absorbing the ammonia of tail gas.Ammonia absorber 100 comprises first membrane module 110, first air inlet pipe 120, downtake pipe 130, first feed tube 140 and first discharging tube 150.
First air inlet pipe 120 is arranged on first membrane module 110.The tail gas that contains ammonia gets into first membrane module 110 from first air inlet pipe 120.In the present embodiment, also be provided with first air intake pump 122 that is used for tail gas is input into first membrane module 110 on first air inlet pipe 120.First air intake pump 122 can quicken tail gas flowing in first membrane module 110.
In the present embodiment, ammonia absorber 100 also comprises first return duct 152 that first discharging tube 150 is connected with first feed tube 140.The absorption liquid that is dissolved with ammonia that first discharging tube 150 gives off feeds in first membrane module 110 through first return duct 152 and first feed tube 140 once more.First return duct 152 can recycle absorption liquid, improves the concentration of ammonia in the absorption liquid, thereby obtains the absorption liquid of higher ammonia concentration.
In the present embodiment, be equipped with first control valve 142 of regulating the absorption liquid flow on first feed tube 140 and first discharging tube 150.Can regulate the flow of absorption liquid through first control valve 142, thereby reach the effect of regulating the concentration of ammonia in the absorption liquid.
The intake method of first membrane module 110 adopts the enterprising mode that goes out down; The feed liquor mode adopts down the mode that outes, also promptly flows from top to bottom at first membrane module, 110 gases, is full of membrane module; And absorption liquid is flowed into toward top by the bottom; The mode of this gas-liquid conversed contact makes that the gas-liquid contact is more abundant, helps improving the absorptivity of ammonia.
The step that the ammonia absorber 100 of embodiment one absorbs the ammonia in the tail gas is following:
The tail gas that contains ammonia feeds from first air inlet pipe 120; Get into first membrane module 110 through first air intake pump 122; Absorption liquid gets into the ammonia that absorbs first membrane module 110 in the tail gas from first feed tube 140; In first membrane module 110, form the absorption liquid be dissolved with ammonia and discharge from first discharging tube 150, be stored in the fluid storage tank (figure is mark) subsequent usely, unnecessary tail gas is discharged from downtake pipe 130.The absorption liquid that is dissolved with ammonia of discharging from first discharging tube 150 feeds first membrane module 110 once more through first return duct 152 and first feed tube 140; Thereby obtain the absorption liquid of higher ammonia concentration; Can regulate the flow of absorption liquid through first control valve 142, regulate the concentration of ammonia in the absorption liquid.
In addition, it is low, simple in structure, easy to operate that above-mentioned ammonia absorber 100 has energy consumption, and the ammonia rate of recovery is high, and non-secondary pollution etc., be a kind of very economically viable new technology.
Be appreciated that first air intake pump 122 can omit, this moment, tail gas directly got into first membrane module 110 through first air inlet pipe 120.First return duct 152 can omit.Second control valve 142 can omit.
As shown in Figure 2, the ammonia absorber 200 of embodiment two is used for absorbing the ammonia of tail gas.Ammonia absorber 200 comprises first membrane module 210, second membrane module 220, first air inlet pipe 230, downtake pipe 240, second exhaust pipe 250, first feed tube 260, second feed tube 270 and first discharging tube 280.
First air inlet pipe 230 is arranged on first membrane module 210.The tail gas that contains ammonia gets into first membrane module 210 from first air inlet pipe 230.In the present embodiment, first air inlet pipe 230 is provided with first air intake pump 232 that is used for tail gas is input into first membrane module 210.First air intake pump 232 is identical with first air intake pump 122 among the embodiment one.
Downtake pipe 240 is arranged on first membrane module 210 and with second membrane module 220 and is connected.In the present embodiment, be not dissolved in the absorption liquid tail gas in first membrane module 210 and get into second membrane module 220 from downtake pipe 240.
Second exhaust pipe 250 is arranged on second membrane module 220.Second exhaust pipe 250 arrives remaining exhaust emissions in second membrane module 220 extraneous, thereby keeps the continual renovation of tail gas.
First feed tube 260 is arranged on first membrane module 210 and with second membrane module 220 and is connected.Absorption liquid gets into first membrane module 210 from second membrane module 220 through first feed tube 260.
Second feed tube 270 is arranged on second membrane module 220.Absorption liquid gets into the ammonia that absorbs second membrane module 220 in the tail gas from second feed tube 270, is got in first membrane module 210 by first feed tube 260 again, absorbs the ammonia in the tail gas in first membrane module 210.
First discharging tube 280 is arranged on first membrane module 210.First discharging tube 280 will be dissolved with the absorption liquid of ammonia and discharge.Can the absorption liquid that be dissolved with ammonia be reclaimed then, fluid storage tank (figure is mark) is set at the other end of first discharging tube 280, its storage is subsequent use.
In the present embodiment, ammonia absorber 200 also comprises second return duct 282 that first discharging tube 280 is connected with second feed tube 270.The absorption liquid that is dissolved with ammonia that first discharging tube 280 gives off feeds the ammonia in second membrane module, the 220 dissolving tail gas once more through second return duct 282 and second feed tube 270.Be appreciated that; Second return duct 282 both can be connected with second feed tube 270 and first discharging tube 280 respectively; Also can be connected with first feed tube 260 and second feed tube 270 respectively; Second return duct 282 also can be two, and one is connected with second feed tube 270 and first discharging tube 280 respectively, and another part is connected with first feed tube 260 and second feed tube 270 respectively.Second return duct 282 can recycle absorption liquid, can improve the concentration of ammonia in the absorption liquid, thereby obtains the absorption liquid of higher ammonia concentration.
In the present embodiment, be equipped with second control valve 272 of regulating the absorption liquid flow on second feed tube 270 and first discharging tube 280.Be appreciated that second control valve 272 can also be arranged on first feed tube 260, can regulate the flow of absorption liquid, thereby reach the effect of regulating ammonia concentration in the absorption liquid through second control valve 272.
The intake method of first membrane module 210 and second membrane module 220 adopts the enterprising mode that goes out down; The feed liquor mode adopts down the mode that outes, also promptly flows from top to bottom at first membrane module 210 and second membrane module, 220 gases, is full of membrane module; And absorption liquid is flowed into toward top by the bottom; The mode of this gas-liquid conversed contact makes that the gas-liquid contact is more abundant, helps improving the absorptivity of ammonia.In order to improve the concentration of ammonia in the absorption liquid, the N membrane module can also be set, to reach the ammonia in the maximum recovery tail gas.
The step that the ammonia absorber 200 of embodiment two absorbs the ammonia in the tail gas is following:
When the content of ammonia in the tail gas is higher; Tail gas feeds from first air inlet pipe 230; Get into first membrane module 210 through first air intake pump 232, the ammonia in the tail gas is dissolved in the absorption liquid in first membrane module 210, and the unnecessary gas that is not dissolved in the absorption liquid gets into second membrane module 220 from downtake pipe 240; Ammonia in the unnecessary gas is dissolved in the absorption liquid in second membrane module 220, and tail gas unnecessary in second membrane module 220 is discharged from second exhaust pipe 250.Absorption liquid gets into second membrane module 220 from second feed tube 270; Dissolve the ammonia in second membrane module 220; The absorption liquid that formation is dissolved with ammonia gets into first membrane module 210 from first feed tube 260, dissolves the ammonia in the tail gas in first membrane module 210, thereby forms the absorption liquid of higher ammonia concentration; And, be stored in the fluid storage tank (figure is mark) it subsequent use through 280 discharges of first discharging tube.The absorption liquid that is dissolved with ammonia of discharging from first discharging tube 280 feeds second membrane module 220 once more through second return duct 282 and second feed tube 270; Thereby can obtain the absorption liquid of higher ammonia concentration; Can regulate the flow of absorption liquid through second control valve 272, regulate the concentration of ammonia in the absorption liquid.
Above-mentioned ammonia absorber 200 has first membrane module 210 and second membrane module 220 of gas-liquid separation effect, and the tail gas that contains ammonia gets into first membrane module 210 from first air inlet pipe 230, and the unnecessary tail gas that is not dissolved in the absorption liquid gets into second membrane module 220 from first discharging tube 240; Continue to be dissolved in the absorption liquid in second membrane module 220, and then residual exhaust is discharged through second exhaust pipe 250, absorption liquid gets into second membrane module 220 from second feed tube 270; Formation is dissolved with the absorption liquid of ammonia; Get into first membrane module 210 from first feed tube 260 again, thereby form the absorption liquid of higher ammonia concentration, utilizing once more of absorption liquid and repeat to absorb the ammonia in the tail gas; Not only removed the ammonia in the tail gas efficiently; Also improved the ammonia concentration in the absorption liquid, improved the rate of recovery of ammonia, and first membrane module 210 separates with unnecessary gas with the absorption liquid that second membrane module 220 will be dissolved with ammonia; Therefore, above-mentioned ammonia absorber 200 has higher efficient.
In addition, above-mentioned ammonia absorber 200 is provided with second return duct 282 absorption liquid is recycled, thereby obtains containing the ammonia absorption liquid with high concentration.Therefore, it is low, simple in structure, easy to operate that above-mentioned ammonia absorber 200 also has energy consumption, and the ammonia rate of recovery is high, and non-secondary pollution etc., be a kind of very economically viable new technology.
Be appreciated that second air intake pump 232 can omit, at this moment, tail gas directly gets into first membrane module 210 through first air inlet pipe 230.Second return duct 282 can omit.Second control valve 272 can omit.
As shown in Figure 3; The ammonia absorber 300 of embodiment three; Be used for absorbing the ammonia of tail gas, ammonia absorber 300 comprises first membrane module 310, second membrane module 320, first air inlet pipe 330, downtake pipe 340, first feed tube 350, first discharging tube 360, second air inlet pipe 370, second exhaust pipe 380 and second discharging tube 390.
First air inlet pipe 330 is arranged on first membrane module 310.Tail gas gets into first membrane module 310 from first air inlet pipe 330.Ammonia in the tail gas is dissolved in the absorption liquid in first membrane module 310.First air inlet pipe 330 is provided with second air intake pump 332 that is used for tail gas is input into first membrane module 310 and second membrane module 320.
Second air inlet pipe 370 is arranged on second membrane module 320 and with first air inlet pipe 330 and is connected.Part tail gas, gets in second membrane module 320 through second air inlet pipe 370 from first air inlet pipe 330 then, and the ammonia in the tail gas is dissolved in the absorption liquid in second membrane module 320.
In the present embodiment, ammonia absorber 300 can also comprise the 3rd return duct that first feed tube 350 and second discharging tube 390 are connected (figure is mark).If the solubility of the absorption liquefied ammonia that second discharging tube 390 is discharged is still lower; The absorption liquid that is dissolved with ammonia that second discharging tube 390 is discharged gets into first membrane module 310 through the 3rd return duct (figure is mark not) through first feed tube 350 once more, thereby can obtain the absorption liquid of higher ammonia concentration.
In the present embodiment, the 3rd control valve (figure is mark not) can also be set on first feed tube 350 and second discharging tube 390 regulate the flow of absorption liquid, thereby reach the effect of regulating the concentration of ammonia in absorption liquid.
The intake method of first membrane module 310 and second membrane module 320 adopts the enterprising mode that goes out down; The feed liquor mode adopts down the mode that outes, also promptly flows from top to bottom at first membrane module 310 and second membrane module, 320 gases, is full of membrane module; And absorption liquid is flowed into toward top by the bottom; The mode of this gas-liquid conversed contact makes that the gas-liquid contact is more abundant, helps improving the absorptivity of ammonia.
The step that the ammonia absorber 300 of embodiment three absorbs the ammonia in the tail gas is following:
When the content of ammonia in the tail gas hangs down; Tail gas feeds from first air inlet pipe 330; Get into first membrane module 310 respectively and get into second membrane module 320 through second air intake pump 332 through second air inlet pipe 370; Ammonia in the tail gas is dissolved in the absorption liquid in first membrane module 310 and second membrane module 320, and the unnecessary gas that is not dissolved in the absorption liquid is discharged from downtake pipe 340 and second exhaust pipe 380 respectively.Absorption liquid gets into first membrane module 310 from first feed tube 350; Dissolve the ammonia in first membrane module 310; The absorption liquid that formation is dissolved with ammonia gets into second membrane module 320 from first discharging tube 360, dissolves the ammonia in the tail gas in second membrane module 320, thereby forms the absorption liquid of higher ammonia concentration; And, be stored in the fluid storage tank (figure is mark) it subsequent use through 390 discharges of second discharging tube.If the solubility of the absorption liquefied ammonia that second discharging tube 390 is discharged is still lower; The absorption liquid that is dissolved with ammonia that second discharging tube 390 is discharged gets into first membrane module 310 through the 3rd return duct (figure is mark not) through first feed tube 350 once more, thereby can obtain the absorption liquid of higher ammonia concentration.
Above-mentioned ammonia absorber 300 has first membrane module 310 and second membrane module 320 of gas-liquid separation effect; The tail gas that contains ammonia gets into first membrane module 310 and second membrane module 320 from first air inlet pipe 330 and second air inlet pipe 370 respectively, and absorption liquid gets into first membrane module 310 from first feed tube 350, forms the absorption liquid that is dissolved with ammonia; Get into second membrane module 320 from first discharging tube 360; Form the absorption liquid of higher ammonia solubility, the recycling of absorption liquid has improved the ammonia concentration in the absorption liquid; Thereby improved the rate of recovery of ammonia; And first membrane module 310 separate with unnecessary gas with the absorption liquid that second membrane module 320 will be dissolved with ammonia, therefore, above-mentioned ammonia absorber 300 has higher efficient.
In addition, it is low, simple in structure, easy to operate that above-mentioned ammonia absorber 300 has energy consumption, and the ammonia rate of recovery is high, and non-secondary pollution etc., be a kind of very economically viable new technology.
Be appreciated that the 3rd air intake pump 332 can omit, tail gas directly gets into first membrane module 310 through first air inlet pipe 330, gets into second membrane module 320 through first air inlet pipe 330 through second air inlet pipe 370.The 3rd return duct (figure is mark not) can omit.The 3rd control valve (figure is mark not) can omit.
The above embodiment has only expressed several kinds of embodiments of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection domain of the utility model.Therefore, the protection domain of the utility model patent should be as the criterion with accompanying claims.
Claims (10)
1. ammonia absorber; Be used for absorbing the ammonia of tail gas; It is characterized in that; Said ammonia absorber comprises first membrane module with gas-liquid separation effect and is arranged on first air inlet pipe, downtake pipe, first feed tube and first discharging tube on said first membrane module, and tail gas gets into said first membrane module from said first air inlet pipe, and absorption liquid gets into the ammonia that absorbs said first membrane module in the tail gas from said first feed tube; Formation is dissolved with the absorption liquid of ammonia and discharges from said first discharging tube, and unnecessary tail gas is discharged from said downtake pipe.
2. ammonia absorber according to claim 1; It is characterized in that; Said first discharging tube is connected through one first return duct with said first feed tube, and the absorption liquid that is dissolved with ammonia that said first discharging tube gives off gets into said first membrane module once more through said first return duct and said first feed tube.
3. ammonia absorber according to claim 1 is characterized in that, is equipped with first control valve of regulating the absorption liquid flow on said first feed tube and said first discharging tube.
4. ammonia absorber according to claim 1; It is characterized in that; Said ammonia absorber also comprises second membrane module with gas-liquid separation effect and is arranged on the second exhaust pipe and second feed tube on said second membrane module; The said downtake pipe and first feed tube are connected with said second membrane module respectively, and the tail gas of discharging in the said downtake pipe gets into said second membrane module, and absorption liquid gets into said second membrane module from said second feed tube and absorbs the ammonia the tail gas; The absorption liquid that formation is dissolved with ammonia gets into said first membrane module from said first feed tube, and tail gas unnecessary in said second membrane module is discharged from said second exhaust pipe.
5. according to claim 1 or 4 described ammonia absorbers, it is characterized in that said first air inlet pipe is provided with first air intake pump that is used for tail gas is input into said first membrane module.
6. ammonia absorber according to claim 4; It is characterized in that; Said first discharging tube is connected through one second return duct with said second feed tube, and the absorption liquid that is dissolved with ammonia that said first discharging tube gives off feeds said second membrane module once more through said second return duct and said second feed tube.
7. ammonia absorber according to claim 4 is characterized in that, is equipped with second control valve of regulating the absorption liquid flow on said second feed tube and said first discharging tube.
8. ammonia absorber according to claim 1; It is characterized in that; Said ammonia absorber also comprises second membrane module with gas-liquid separation effect and is arranged on second air inlet pipe, second exhaust pipe and second discharging tube on said second membrane module; Said first discharging tube is connected with said second membrane module, and said second air inlet pipe is connected with said first air inlet pipe, and a part of tail gas gets into said second membrane module from said first air inlet pipe through said second air inlet pipe; The absorption liquid that is dissolved with ammonia of discharging in said first discharging tube gets into said second membrane module; Dissolve the ammonia in the tail gas in said second membrane module once more, form the absorption liquid that is dissolved with ammonia and from said second discharging tube, discharge, tail gas unnecessary in said second membrane module is discharged from said second exhaust pipe.
9. ammonia absorber according to claim 8 is characterized in that, said first air inlet pipe is provided with second air intake pump that is used for tail gas is input into said first membrane module and said second membrane module.
10. ammonia absorber according to claim 8; It is characterized in that; Said second discharging tube is connected through one the 3rd return duct with said first feed tube, and the absorption liquid that is dissolved with ammonia that said second discharging tube gives off gets into said first membrane module once more through said the 3rd return duct and said first feed tube.
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CN2011203534905U CN202270462U (en) | 2011-09-20 | 2011-09-20 | Membrane type ammonia absorber |
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CN2011203534905U CN202270462U (en) | 2011-09-20 | 2011-09-20 | Membrane type ammonia absorber |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102872685A (en) * | 2012-10-19 | 2013-01-16 | 南京信息工程大学 | Method and device for recovering ammonia gas from waste gas through membrane method |
CN103041677A (en) * | 2012-12-21 | 2013-04-17 | 中国科学院长春光学精密机械与物理研究所 | Unchained and small-sized processing device for products generated by discharge of DF/HF laser |
CN103331079A (en) * | 2013-07-10 | 2013-10-02 | 厦门市威士邦膜科技有限公司 | Membrane method ammonia gas treatment recovering apparatus and technology thereof |
CN104437006A (en) * | 2014-10-28 | 2015-03-25 | 南京大学 | Membrane absorption device and method for purifying bio-methane |
CN105944537A (en) * | 2016-06-02 | 2016-09-21 | 浙江理工大学 | Purifying device and purifying method for ammonia-containing mixed gas |
-
2011
- 2011-09-20 CN CN2011203534905U patent/CN202270462U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102872685A (en) * | 2012-10-19 | 2013-01-16 | 南京信息工程大学 | Method and device for recovering ammonia gas from waste gas through membrane method |
CN102872685B (en) * | 2012-10-19 | 2015-03-25 | 南京信息工程大学 | Method and device for recovering ammonia gas from waste gas through membrane method |
CN103041677A (en) * | 2012-12-21 | 2013-04-17 | 中国科学院长春光学精密机械与物理研究所 | Unchained and small-sized processing device for products generated by discharge of DF/HF laser |
CN103331079A (en) * | 2013-07-10 | 2013-10-02 | 厦门市威士邦膜科技有限公司 | Membrane method ammonia gas treatment recovering apparatus and technology thereof |
CN104437006A (en) * | 2014-10-28 | 2015-03-25 | 南京大学 | Membrane absorption device and method for purifying bio-methane |
CN105944537A (en) * | 2016-06-02 | 2016-09-21 | 浙江理工大学 | Purifying device and purifying method for ammonia-containing mixed gas |
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