CN206276201U - A kind of ammonia absorbs and ammonium sulfate retracting device - Google Patents
A kind of ammonia absorbs and ammonium sulfate retracting device Download PDFInfo
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- CN206276201U CN206276201U CN201621289719.2U CN201621289719U CN206276201U CN 206276201 U CN206276201 U CN 206276201U CN 201621289719 U CN201621289719 U CN 201621289719U CN 206276201 U CN206276201 U CN 206276201U
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- water tank
- pipeline
- ammonium sulfate
- water
- ammonia
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Abstract
The utility model provides a kind of ammonia and absorbs and ammonium sulfate retracting device, including water-jet pump, water tank, subsider, vavuum pump, centrifugal pump one and candle filter, the water tank, subsider, centrifugal pump one and candle filter are in turn connected into circulation loop by pipeline；The water-jet pump includes the centrifugal pump two and Venturi tube that are connected with each other, and the water inlet of the centrifugal pump two is connected by pipeline with water tank, and the outlet of Venturi tube is connected by pipeline one with water tank, and the vacuum port on the Venturi tube is connected with ammonia pipeline；The water tank is connected by pipeline with the sulfuric acid high position tank above water tank；The subsider is connected by pipeline with vavuum pump.The utility model can effectively absorb the ammonia in plant gas, while being crystallized to ammonium sulfate using a kind of circulating decrease temperature crystalline, power consumption is less, pollution is small, discharge low.
Description
Technical field
The utility model is related to field of chemical equipment, and in particular to a kind of ammonia absorbs and ammonium sulfate retracting device.
Background technology
Chemicals it is synthetically prepared during, the substantial amounts of waste gas containing ammonia can be produced, if ammonia level is less, lead to
It is often to drench after method simply absorb to discharge using water, but when the content of ammonia in waste gas is higher, is only absorbed just with water
It is extremely difficult to require.It is industrial generally using method be to be absorbed with dilute sulfuric acid, product is ammonium sulfate, and ammonium sulfate is mainly used as
Fertilizer, it is adaptable to various soil and crop, it may also be used for the aspect such as weaving, leather, medicine.
It is industrial at present, it is main that ammonia is absorbed using absorption tower, there is neutralization reaction with dilute sulfuric acid afterwards, then solution is entered
Row treatment, obtains ammonia sulfate crystal.The mode for the treatment of is mainly multiple-effect evaporation condensing crystallizing and mechanical compress evaporating, concentrating and crystallizing.
Both processing modes are problematic in that, such as multiple-effect evaporation condensing crystallizing, it is necessary to multiple heaters and evaporator coordinate into
Row heating and evaporation process, power consumption are high；Mechanical compress evaporating, concentrating and crystallizing, does not solve but well on waste water handling problem
Method.
With the increasingly increase of energy resource consumption, and the increasingly enhancing that people's energy-saving and emission-reduction are realized, find a kind of more effective
Low energy consumption, low stain, the ammonium sulfate waste water target of the treatment treating method and apparatus as modern enterprise of low emission.
Utility model content
Regarding to the issue above, the utility model provides a kind of ammonia and absorbs and ammonium sulfate retracting device, and the present apparatus can be effective
The ammonia in plant gas is absorbed, while being crystallized to ammonium sulfate using a kind of circulating decrease temperature crystalline, consumed energy less, polluted
Small, discharge is low.
To realize above-mentioned technology, the technical solution adopted in the utility model is：A kind of ammonia absorbs and ammonium sulfate reclaims dress
Put, including water-jet pump, water tank, subsider, vavuum pump, centrifugal pump one and candle filter, the water tank, subsider,
Centrifugal pump and candle filter are in turn connected into circulation loop by pipeline；The water-jet pump include be connected with each other from
Heart pump two and Venturi tube, the water inlet of the centrifugal pump two are connected by pipeline with water tank, and the outlet of Venturi tube passes through pipeline one
Connected with water tank, the vacuum port on the Venturi tube is connected with ammonia pipeline；The water tank passes through above pipeline and water tank
Sulfuric acid high position tank is connected；The subsider is connected by pipeline with vavuum pump.
Further, the slag-drip opening connection dryer of the candle filter.Further, the sulfuric acid high position tank and water
Valve one is provided between case, valve two is provided between water tank and subsider, valve three is provided between subsider and centrifugal pump one, from
Valve four is provided between heart pump one and candle filter, the water-jet pump is provided with the valve of control Venturi tube work
Five.
Further, the pipeline between the candle filter and the water tank is provided with condenser pipe.
Further, the condenser pipe is provided with cooling water inlet and cooling water outlet.
The beneficial effects of the utility model are：Ammonia with amount of heat in the tail gas that water tank absorbs in the utility model
Ammoniacal liquor is formed, ammoniacal liquor reacts generation ammonium sulfate with dilute sulfuric acid again, this reaction is acid-base neutralization reaction, releases substantial amounts of heat
Amount, solution keeps temperature higher during 2 points of the above can make water tank.Vavuum pump is connected with subsider, is taken away by vavuum pump
Gas above subsider, gas takes away substantial amounts of heat, realizes the cooling to subsider, so that ammonium sulfate separates out sulphur
Sour ammonium crystal.Candle filter is filtered to the slurries containing ammonium sulfate solids, obtains ammonia sulfate crystal and solution.Solution
Cool down and in reflow tank by condenser pipe again, it is relatively low by the solution temperature for condensing, it is ensured that the temperature in water tank
Temperature will not be risen so high because of ammoniacal liquor and the neutralization reaction heat release of dilute sulfuric acid, while also achieving the circulation profit of solvent
With reducing energy consumption；And waste liquid will not be produced during this, pollute small, discharge low.The slag-drip opening connection of candle filter is dried
Ammonium sulfate solids can be dried treatment by dry machine.The utility model uses water-jet pump, in water-jet pump
Water velocity is higher at venturi outlet, and negative pressuren zone is formed around it, produces vacuum, ammonia is smoothly entered pipeline
In one.
Brief description of the drawings
Fig. 1 is workflow schematic diagram of the present utility model；
Wherein：1st, water tank；2nd, subsider；3rd, candle filter；4th, water-jet pump, 4-1, centrifugal pump two, 4-2, text
Family name manages；5th, vavuum pump；6th, centrifugal pump one；7th, condenser pipe, 7-1, cooling water inlet, 7-2, cooling water outlet；9th, pipeline one；10th, ammonia
Admission line；11st, sulfuric acid high position tank；12nd, dryer；13rd, valve one；14th, valve two；15th, valve three；16th, valve four；17、
Valve five.
Specific embodiment
Implementation method of the present utility model is described in further detail with reference to the accompanying drawings and examples.Following examples
For illustrating the utility model, but can not be used for limiting scope of the present utility model.
Fig. 1 is one specific embodiment of the utility model, and a kind of ammonia absorbs and ammonium sulfate retracting device, including water injection
Vavuum pump 4, water tank 1, subsider 2, vavuum pump 5, centrifugal pump 1 and candle filter 3, the water tank 1, subsider 2, centrifugal pump
1 and candle filter 3 circulation loop is in turn connected into by pipeline, realize recycling and pollution-free gas for liquid flux
The discharge of body；The water-jet pump 4 includes the 4-1 of centrifugal pump two and Venturi tube 4-2 that are connected with each other, the 4- of the centrifugal pump two
1 water inlet is connected by pipeline with water tank 1, and the outlet of Venturi tube 4-2 is connected by pipeline 1 with water tank 1, the Venturi tube
Vacuum port on 4-2 is connected with ammonia pipeline 10；Operationally the 4-1 of centrifugal pump two draws liquid from water tank 1, by Venturi tube
Liquid is sprayed and enters pipeline 1 by 4-2, at the same ammonia from the vacuum port of Venturi tube 4-2 into Venturi tube 4-2 and being dissolved in liquid
In body, liquid is by pipeline 1 again reflow tank 1.Water tank 1 is connected by pipeline with the sulfuric acid high position tank 11 of the top of water tank 1
Logical, there is acid-base neutralization reaction in the dilute sulfuric acid in sulfuric acid high position tank 11, together in flowing into water tank 1 by pipeline with the ammoniacal liquor in liquid
When release substantial amounts of heat so that in water tank 1 liquid temperature raise.Subsider 2 is connected by pipeline with vavuum pump 5, water tank
In liquid flowed into subsider 2 by pipeline, then the gas of the top of subsider 2 is absorbed by vavuum pump 5, while taking away substantial amounts of
Heat, reduces the temperature in subsider 2, now has ammonia sulfate crystal precipitation.Afterwards in the presence of centrifugal pump 1, contain
The slurries for having ammonium sulfate solids are filtered by candle filter 3, obtain ammonium sulfate solids and filtrate, and filtrate is again by condenser pipe
7 are condensed, and are back flowed back into water tank 1 by corresponding pipeline, realize recycling for solvent.
It is preferable to carry out as one kind, the slag-drip opening connection dryer 12 of the candle filter 3, by dryer 12 to sulphur
Sour ammonium solid dry and obtains dry ammonium sulfate.
It is preferable to carry out as one kind, valve 1, water tank 1 and sedimentation is provided between the sulfuric acid high position tank 11 and water tank 1
Valve 2 14 is provided between groove 2, when the ammonium sulfate concentrations in water tank 1 are smaller, valve 2 14 is closed, with continuous absorbing ammonia
Gas, and ammonium sulfate is obtained with dilute sulfuric acid reaction, the ammonium sulfate concentrations in water tank 1 gradually increase, and treat the ammonium sulfate concentrations in water tank 1
Than it is larger when, console keyboard valve opening door 2 14 makes the larger ammonium sulfate of concentration enter in subsider 2, then opens vavuum pump 5, leads to
The gas that vavuum pump 5 is extracted out in subsider is crossed, decrease temperature crystalline is carried out to subsider 2, it is so molten with to the less ammonium sulfate of concentration
Liquid carries out decrease temperature crystalline and compares, and substantially increases operating efficiency.Valve 3 15 is provided between subsider 2 and centrifugal pump 1, is centrifuged
Valve 4 16 is provided between pump 1 and candle filter 3, valve 3 15 is opened when the ammonia sulfate crystal in subsider 2 is more
And valve 4 16, while controlling the work of centrifugal pump 1 to be filtered, can so greatly improve filter efficiency.The water injection
Vavuum pump 4 is provided with the valve 5 17 of control Venturi tube 4-2 work.
It is preferable to carry out as one kind, the pipeline between the candle filter 3 and the water tank 1 is provided with condenser pipe 7.Make
It is another preferred embodiment：The condenser pipe 7 is provided with cooling water inlet 7-1 and cooling water outlet 7-2, and cooling water inlet 7-1 sets
In the downside of condenser pipe 7, cooling water outlet 7-2 is located at the upside of condenser pipe 7, and cold water can so filled with the liquid in pipeline
The heat exchange for dividing, and then reduce in water tank.
Finally it should be noted that：Above example is only used to illustrate the technical solution of the utility model, rather than its limitations；
Although being described in detail to the utility model with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still be modified to the technical scheme described in previous embodiment, or which part technical characteristic is equal to
Replace；And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model embodiment technical scheme
Spirit and scope.
Claims (5)
1. a kind of ammonia absorbs and ammonium sulfate retracting device, it is characterised in that：Including water-jet pump (4), water tank (1), sink
Drop groove (2), vavuum pump (5), centrifugal pump one (6) and candle filter (3), the water tank (1), subsider (2), centrifugal pump one
And candle filter (3) is in turn connected into circulation loop by pipeline (6)；The water-jet pump (4) is including being connected with each other
Centrifugal pump two (4-1) and Venturi tube (4-2), the water inlet of the centrifugal pump two (4-1) connected by pipeline with water tank (1),
The outlet of Venturi tube (4-2) is connected by pipeline one (9) with water tank (1), the vacuum port on the Venturi tube (4-2) and ammonia pipe
Road (10) is connected；The water tank (1) is connected by pipeline with the sulfuric acid high position tank (11) above water tank (1)；The subsider
(2) it is connected with vavuum pump (5) by pipeline.
2. a kind of ammonia according to claim 1 absorbs and ammonium sulfate retracting device, it is characterised in that：The candle formula filtering
The slag-drip opening of device (3) connects dryer (12).
3. a kind of ammonia according to claim 1 and 2 absorbs and ammonium sulfate retracting device, it is characterised in that：The sulfuric acid
Valve one (13) is provided between head tank (11) and water tank (1), valve two (14) is provided between water tank (1) and subsider (2), sunk
Valve three (15) is provided between drop groove (2) and centrifugal pump one (6), valve is provided between centrifugal pump one (6) and candle filter (3)
Four (16), the water-jet pump (4) is provided with the valve five (17) of control Venturi tube (4-2) work.
4. a kind of ammonia according to claim 3 absorbs and ammonium sulfate retracting device, it is characterised in that：The candle formula filtering
Pipeline between device (3) and the water tank (1) is provided with condenser pipe (7).
5. a kind of ammonia according to claim 4 absorbs and ammonium sulfate retracting device, it is characterised in that：The condenser pipe
(7) cooling water inlet (7-1) and cooling water outlet (7-2) are provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621289719.2U CN206276201U (en) | 2016-11-29 | 2016-11-29 | A kind of ammonia absorbs and ammonium sulfate retracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621289719.2U CN206276201U (en) | 2016-11-29 | 2016-11-29 | A kind of ammonia absorbs and ammonium sulfate retracting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206276201U true CN206276201U (en) | 2017-06-27 |
Family
ID=59075112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621289719.2U Active CN206276201U (en) | 2016-11-29 | 2016-11-29 | A kind of ammonia absorbs and ammonium sulfate retracting device |
Country Status (1)
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| CN (1) | CN206276201U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325343A (en) * | 2018-04-17 | 2018-07-27 | 江苏凯利美环保科技有限公司 | Integrated high-efficiency ammonia recovery unit |
| CN110594768A (en) * | 2019-09-12 | 2019-12-20 | 林俊新 | Cold and hot balanced heat exchange device of environment-friendly |
-
2016
- 2016-11-29 CN CN201621289719.2U patent/CN206276201U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325343A (en) * | 2018-04-17 | 2018-07-27 | 江苏凯利美环保科技有限公司 | Integrated high-efficiency ammonia recovery unit |
| CN108325343B (en) * | 2018-04-17 | 2024-01-12 | 无锡真水源环保科技有限公司 | Integrated high-efficiency ammonia recovery device |
| CN110594768A (en) * | 2019-09-12 | 2019-12-20 | 林俊新 | Cold and hot balanced heat exchange device of environment-friendly |
| CN110594768B (en) * | 2019-09-12 | 2020-12-08 | 任才银 | Cold and hot balanced heat exchange device of environment-friendly |
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