CN207025017U - A kind of ammonia absorption equipment - Google Patents
A kind of ammonia absorption equipment Download PDFInfo
- Publication number
- CN207025017U CN207025017U CN201720734097.8U CN201720734097U CN207025017U CN 207025017 U CN207025017 U CN 207025017U CN 201720734097 U CN201720734097 U CN 201720734097U CN 207025017 U CN207025017 U CN 207025017U
- Authority
- CN
- China
- Prior art keywords
- scrubbing tower
- shower
- diffuser
- tower
- spray
- 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.)
- Expired - Fee Related
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model discloses a kind of ammonia absorption equipment, including the first scrubbing tower, the second scrubbing tower and aiutage, the first diffuser and the first shower are disposed with first scrubbing tower from the bottom to top, first diffuser lateral arrangement is connected in the first scrubbing tower and with air inlet pipe, several are provided with described air inlet pipe towards the first spray head of airintake direction spray washing liquid, first spray head is connected by first circulation pump with the bottom of towe of the first scrubbing tower, and several are provided with the first described diffuser and dissipates valve；The first described shower is connected by second circulation pump with the bottom of towe of the first scrubbing tower, and several rotary spray heads are set on the first shower, the first gas outlet is provided with the top of the first scrubbing tower.Ammonia absorption equipment of the present utility model, simple in construction, absorption efficiency is high, effectively reclaims ammonia.
Description
Technical field
The utility model belongs to washing absorption equipment technical field, and in particular to a kind of ammonia absorption equipment.
Background technology
In industry, the ammonium of food grade phosphoric acid hydrogen two in process of production, when pH value more than 5 are arrived in feed liquid neutralization, part ammonia is because inhaling
Speed is received to escape slowly partially, and the ammonia escaped is not recycled effectively, ammonia consumes when causing to produce diammonium hydrogen phosphate
Amount is very big.
Utility model content
The purpose of this utility model is：For problems of the prior art, there is provided a kind of ammonia absorption equipment, energy
Enough useless ammonias by when reacting carry out washing recovery, so as to effectively reduce the consumption of ammonia.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of ammonia absorption equipment, including the first scrubbing tower, the second scrubbing tower and aiutage, in the first scrubbing tower by it is lower extremely
On be disposed with the first diffuser and the first shower, the first diffuser lateral arrangement is in the first scrubbing tower and and air inlet pipe
Connect, several are provided with towards the first spray head of airintake direction spray washing liquid, the first spray head in described air inlet pipe
It is connected by first circulation pump with the bottom of towe of the first scrubbing tower, several is provided with the first described diffuser and dissipates valve；Institute
The first shower stated is connected by second circulation pump with the bottom of towe of the first scrubbing tower, and several rotations are set on the first shower
Spray head, the first gas outlet is provided with the top of the first scrubbing tower；
Include the second diffuser, the second shower, demister and filler in the second described scrubbing tower successively from the bottom to top
Layer, the second described diffuser lateral arrangement are connected in the second scrubbing tower and with the first gas outlet of the first scrubbing tower, and second
Several are provided with diffuser and dissipates valve；Several rotary spray heads are provided with second shower, the second shower passes through
3rd circulating pump is connected with the bottom of towe of the second scrubbing tower, and the second gas outlet, the second gas outlet are provided with the top of the second scrubbing tower
It is connected with aiutage；The first filler support that described packing layer includes from top to bottom setting gradually, the first packing layer, second fill out
Expect support, the second packing layer and the 3rd filler support；
The first described scrubbing tower and the scattered valve of the second scrubbing tower use the formula of falling spray structure.
Preferably, it is provided with man-hole opening on the tower body of the first shower position of the first described scrubbing tower.
Preferably, on the second shower of the second described scrubbing tower, demister and the tower body of packing layer position
It is provided with man-hole opening.
By adopting the above-described technical solution, the beneficial effects of the utility model are：
Ammonia absorption equipment of the present utility model, the ammonia for reacting effusion is passed through into the first scrubbing tower and 60-80% phosphorus
Acid elution reacts to form ammonium salt, forms the Ammonia recovery of the first order；Washing absorption is carried out by the second scrubbing tower again simultaneously, and led to
After crossing demister demisting, packing layer filtering, finally discharge, discharge gas is pure, and to free of air pollution, ammonia passes through phosphoric acid washing
Liquid reactive absorption, so as to effectively reduce the usage amount of ammonia, reduce production cost.
Brief description of the drawings
Fig. 1 is ammonia absorption equipment structure diagram of the present utility model.
Reference：1- second circulation pumps, the scrubbing towers of 2- first, the gas outlets of 3- first, 4- rotary spray heads, 5- first spray
Shower pipe, the diffusers of 6- first, 7- dissipate valve, 8- first circulation pumps, the spray heads of 9- first, 10- air inlet pipe, 11- demisters, 12-
Second shower, the scrubbing towers of 13- second, the diffusers of 14- second, the gas outlets of 15- second, 16- packing layers, the circulating pumps of 17- the 3rd,
18- aiutages.
Embodiment
Reference picture 1, ammonia absorption equipment of the present utility model, including the first scrubbing tower 2, the second scrubbing tower 13 and aiutage
18.The ammonia that will be escaped in diammonium hydrogen phosphate production process, the first scrubbing tower 2, the washing absorption of the second scrubbing tower 13 are passed sequentially through,
After being finally reached discharge standard, discharge.
The first diffuser 6 and the first shower 5 are disposed with first scrubbing tower 2 from the bottom to top, the first diffuser 6 is horizontal
To being arranged in the first scrubbing tower 2 and being connected with air inlet pipe 10, several are provided with towards air inlet side in described air inlet pipe 10
To the first spray head 9 of spray washing liquid, the first spray head 9 is connected by first circulation pump 8 with the bottom of towe of the first scrubbing tower 2,
Several are provided with the first described diffuser 6 and dissipates valve 7；The first described shower 5 passes through second circulation pump 1 and first
The bottom of towe of scrubbing tower 2 connects, and sets several rotary sprays first 4 on the first shower 5, the top of the first scrubbing tower 2 is provided with
First gas outlet 3.
Include the second diffuser 14, the second shower 12, demister 11 in second scrubbing tower 13 successively from the bottom to top and fill out
The bed of material 16, the described lateral arrangement of the second diffuser 14 in the second scrubbing tower 13 and with the first gas outlet 3 of the first scrubbing tower 2
Connect, several are provided with the second diffuser 14 and dissipates valve 7；Several rotary sprays first 4 are provided with second shower 12,
Second shower 12 is connected by the 3rd circulating pump 17 with the bottom of towe of the second scrubbing tower 13, and the top of the second scrubbing tower 13 is provided with
Second gas outlet 15, the second gas outlet 15 are connected with aiutage 18；Described packing layer 16 includes what is from top to bottom set gradually
First filler support, the first packing layer, the second filler support, the second packing layer and the 3rd filler support.
In the present embodiment, the scattered valve 7 of the first scrubbing tower 2 and the second scrubbing tower 13 uses the formula of falling spray structure, by falling
Spray formula structure, the phosphoric acid liquid that touches of ammonia longer time can be reacted more abundant.
In order to easy to maintenance, man-hole opening is provided with the tower body of the position of the first shower 5 of the first scrubbing tower 2.The
Man-hole opening is provided with second shower 12 of two scrubbing towers 13, demister 11 and the tower body of the position of packing layer 16.
Ammonia absorption equipment of the present utility model, add 60-80%'s in the first scrubbing tower 2 and the second scrubbing tower 13
Phosphoric acid washing liquid, useless ammonia enters from air inlet pipe 10, and in air inlet pipe 10, first is carried out to ammonia by the first spray head 9
Secondary spray, part ammonia is subjected to a preliminary washing, the first spray head 9 is by first circulation pump 8 by tower body bottom
Phosphoric acid washing liquid constantly sprays from the first spray head 9, completes to pre-wash.Ammonia enters the first diffuser by air inlet pipe 10
In 6, reacted by dissipating valve 7 and spraying with the phosphoric acid washing liquid in tower body, escaping gas passes through the rotation on the first shower 5 again
The phosphoric acid washing liquid for turning the ejection of spray head 4 absorbs, and remaining ammonia escapes from the first scrubbing tower 2, into the second scrubbing tower 13,
Same principle washing absorption is used in second scrubbing tower 13, final ammonia in gas Gas content is few, in the second scrubbing tower
The fogs such as acid mist are removed by demister 11 after spray washing in 13, then by the second packing layer 16 and the first packing layer
16, the most red aiutage 18 that is drained into is drained.In the utility model, reacted by multiple pickling, ammonia absorbing reaction is formed into ammonium
Salt, the consumption of liquefied ammonia is effectively reduced, reduce production cost.
Claims (3)
1. a kind of ammonia absorption equipment, it is characterised in that including the first scrubbing tower (2), the second scrubbing tower (13) and aiutage
(18), the first diffuser (6) and the first shower (5), the first diffuser are disposed with from the bottom to top in the first scrubbing tower (2)
(6) lateral arrangement is connected in the first scrubbing tower (2) and with air inlet pipe (10), and described air inlet pipe is provided with several in (10)
Towards the first spray head (9) of airintake direction spray washing liquid, the first spray head (9) is washed by first circulation pump (8) with first
The bottom of towe connection of tower (2) is washed, being provided with several on described the first diffuser (6) dissipates valve (7)；The first described shower
(5) it is connected by second circulation pump (1) with the bottom of towe of the first scrubbing tower (2), the first shower sets several rotation sprays on (5)
Head (4) is drenched, the first gas outlet (3) is provided with the top of the first scrubbing tower (2)；
Include the second diffuser (14), the second shower (12), demisting in described the second scrubbing tower (13) successively from the bottom to top
Device (11) and packing layer (16), described the second diffuser (14) lateral arrangement are washed in the second scrubbing tower (13) and with first
The first gas outlet (3) of tower (2) is connected, and several are provided with the second diffuser (14) and dissipates valve (7)；Second shower (12)
On be provided with several rotary spray heads (4), the second shower (12) passes through the 3rd circulating pump (17) and the second scrubbing tower (13)
Bottom of towe connection, be provided with the second gas outlet (15), the second gas outlet (15) and aiutage at the top of the second scrubbing tower (13)
(18) connect；The first filler support that described packing layer (16) includes from top to bottom setting gradually, the first packing layer, second fill out
Expect support, the second packing layer and the 3rd filler support；
The scattered valve (7) of described the first scrubbing tower (2) and the second scrubbing tower (13) uses the formula of falling spray structure.
2. ammonia absorption equipment according to claim 1, it is characterised in that the first spray of described the first scrubbing tower (2)
Man-hole opening is provided with the tower body of shower pipe (5) position.
3. ammonia absorption equipment according to claim 1, it is characterised in that the second spray of described the second scrubbing tower (13)
Man-hole opening is provided with the tower body of shower pipe (12), demister (11) and packing layer (16) position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720734097.8U CN207025017U (en) | 2017-06-22 | 2017-06-22 | A kind of ammonia absorption equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720734097.8U CN207025017U (en) | 2017-06-22 | 2017-06-22 | A kind of ammonia absorption equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207025017U true CN207025017U (en) | 2018-02-23 |
Family
ID=61468983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720734097.8U Expired - Fee Related CN207025017U (en) | 2017-06-22 | 2017-06-22 | A kind of ammonia absorption equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207025017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109745832A (en) * | 2019-02-15 | 2019-05-14 | 美瑞新材料股份有限公司 | A kind of ammonia absorption system |
-
2017
- 2017-06-22 CN CN201720734097.8U patent/CN207025017U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109745832A (en) * | 2019-02-15 | 2019-05-14 | 美瑞新材料股份有限公司 | A kind of ammonia absorption system |
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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: 20180223 Termination date: 20180622 |