CN107200607A - A kind of production method of the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer - Google Patents
A kind of production method of the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer Download PDFInfo
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- CN107200607A CN107200607A CN201710467611.0A CN201710467611A CN107200607A CN 107200607 A CN107200607 A CN 107200607A CN 201710467611 A CN201710467611 A CN 201710467611A CN 107200607 A CN107200607 A CN 107200607A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
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Abstract
The invention discloses a kind of production method of the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer, belong to fertilizer field.Solve existing agricultural ammonium bicarbonate, volatile, the problem of utilization rate of fertilizer is low.Raw material used in it is to contain CO2Gas, described contains CO2CO of the gas from flue gas, alcoholic fermentation by-product2, the by-product that is carbonized in synthetic ammonia process CO2In one or more.It comprises the following steps：CO will be contained2After gas pressurized, feeding absorption tower and ammoniacal liquor reaction form the fertile crystallization suspension of poly- member, precipitated through thickener, stiff, crystal grain send into centrifuge after increasing, and must be attached to the poly- member fertilizer crystallization on screen cloth；It will be granulated after poly- member fertilizer crystallization and additive feeding continuous mixer batch mixing, the fertile particle of poly- member after granulation is got product through one-level roller screen machine and two grades of roller screen machine roller screens.The inventive method is applied to the poly- member fertilizer of production carbon sequestration fixed nitrogen nanometer.
Description
Technical field
The present invention relates to a kind of production method of the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer, belong to fertilizer field.
Background technology
Ammonium hydrogen carbonate is colourless, or shallow granular, tabular or column crystallization body, is that, without (sulphur) acid group nitrogenous fertilizer, can be analyzed to
NH3、CO2And H2Tri- kinds of components of O, its all can as crop nutrient, it is long without harmful intermediate product and final catabolite
Phase, which applies, does not influence soil property, is one of safest nitrogen fertilizers.But existing agricultural ammonium bicarbonate, be manured into soil rear portion
It is absorbed by crops, a part is decomposed or is lost in, and utilization rate of fertilizer is typically between 26-28%, the decomposition and loss of ammonium hydrogen carbonate
Utilization rate is not only resulted in low, and cause environmental pollution.
The content of the invention
It is an object of the invention to provide a kind of production method of the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer, fertilizer profit is greatly improved
With rate, CO is reduced2Discharge capacity.
The production method of the poly- member fertilizer of described carbon sequestration fixed nitrogen nanometer, raw material used is to contain CO2Gas, described contains CO2Gas
CO of the body from flue gas, alcoholic fermentation by-product2, the by-product that is carbonized in synthetic ammonia process CO2In one or more.
The production method of the poly- member fertilizer of described carbon sequestration fixed nitrogen nanometer, comprises the following steps：
(1) prepared by raw material：CO will be contained2After the pressurized blower fan pressurization of gas, feeding absorption tower is reacted with ammoniacal liquor, forms poly- member
Fertile crystallization suspension；
(2) centrifuge：Precipitate, poly- member fertile crystallization suspension feeding thickener after the increase of stiff, crystal grain through thickener
Centrifuge is sent into, the supernatant feeding weak aqua ammonia storage tank after centrifugation must be attached to the poly- member fertilizer crystallization on screen cloth；
(3) granulating and forming：By feeding comminutor granulation after poly- member fertilizer crystallization and additive feeding continuous mixer batch mixing, make
The fertile particle feeding one-level roller screen machine of poly- member after grain obtains spherical poly- member fertilizer, and shaped machine shaping is again by two grades of roller screen machine roller screens
Obtain the poly- member fertilizer of described carbon sequestration fixed nitrogen nanometer.
In stock preparation process described in step (1), CO will be contained2One-level is sent into by bottom after the pressurized blower fan pressurization of gas
Ammonia spray column, the fertile suspension counter current contacting reaction of poly- member with spraying tower bottom from secondary amine, absorbs in one-level ammonia spray column
CO2Afterwards, the fertile crystallization suspension feeding thickener of the poly- member of formation, the tail gas of one-level ammonia spray column is re-fed into secondary amine spray column
Reacted with concentrated ammonia liquor, the reacted poly- fertile crystallization suspension of member is admitted at the top of one-level ammonia spray column, unreacted gas then by
Water spray ammonia absorption tower is sent into, is eluted the ammonia being wherein mingled with weak aqua ammonia or soft water, obtained weak aqua ammonia is stored up into weak aqua ammonia
Weak aqua ammonia in tank, weak aqua ammonia storage tank is sent into secondary amine spray column after concentrated ammonia liquor system processed and recycled.
In stock preparation process described in step (1), CO will be contained2The pressurized blower fan of gas is forced into 0.3-0.4Pa.
The titre of concentrated ammonia liquor in described secondary amine spray column is 180-200tt.
The fertile crystallization suspension solid quality content of poly- member described in step (1) is 30-50%.
In centrifugal separation processes described in step (2), the mother liquor that thickener overflow goes out enters brilliant liquid/gas separator, stratification
Afterwards, clear mother liquor feeding weak aqua ammonia storage tank, fine crystallization liquid returns to thickener.
During granulating and forming described in step (3), the powder returning charge that one-level roller screen machine and two grades of roller screen machines are sieved
To continuous mixer.
The addition of additive described in step (3) is the 8-10% of poly- member fertilizer crystallization gross mass.
Compared with prior art the beneficial effects of the invention are as follows：
The poly- first fertilizer of carbon sequestration fixed nitrogen nanometer of the present invention takes full advantage of flue gas, the CO of alcoholic fermentation by-product2, synthetic ammonia process
The CO of middle carbonization by-product2Gas, not only solves CO2The problem of environmental pollution of gas, is also greatly reduced being produced into for poly- member fertilizer
This.
The poly- first fertilizer of carbon sequestration fixed nitrogen nanometer of the present invention solves existing agricultural ammonium bicarbonate, and volatile, utilization rate of fertilizer is low
Problem.The poly- first fertilizer of carbon sequestration fixed nitrogen nanometer of the present invention contains ammonium nitrogen, can directly be absorbed by crop, nitrogen utilization rate can reach
50-60%.
The present invention improves crop function enzymatic activity by the use of additive, wakes up the nutrient precipitated in soil, helps
In crop growth, Nutrient Transformation and ringing.Nitrogen acquisition time can extend to 110 days simultaneously, can be around crop
Stable carbon dioxide space is formed, crop photosynthesis can be promoted, be conducive to plant growth.
Note：Additive described in step (3) is bought in Beijing Zhuo Yi Tianyuans Science and Technology Ltd..
Brief description of the drawings
Fig. 1 is the flow sheet of the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer of the present invention.
Embodiment
With reference to specific embodiment, the present invention will be further described.
Embodiment 1
The production method of the poly- member fertilizer of described carbon sequestration fixed nitrogen nanometer, comprises the following steps：
(1) prepared by raw material：CO will be contained2Gas (flue gas, the CO of alcoholic fermentation by-product2, be carbonized in synthetic ammonia process by-product
CO2) pressurized blower fan is forced into after 0.3Pa, and one-level ammonia spray column is sent into by bottom, with spraying tower bottom from secondary amine
The poly- fertile suspension counter current contacting reaction of member, absorbs the CO in one-level ammonia spray column2Afterwards, it is 30% to form solid quality content
The poly- fertile crystallization suspension of member, the concentrated ammonia liquor that the tail gas of one-level ammonia spray column is re-fed into secondary amine spray column with titre is 180tt is anti-
Should, the reacted poly- fertile crystallization suspension of member is admitted at the top of one-level ammonia spray column, and unreacted gas is then admitted to Water spray
Ammonia absorption tower, is eluted the ammonia being wherein mingled with weak aqua ammonia or soft water, and obtained weak aqua ammonia enters weak aqua ammonia storage tank, weak aqua ammonia storage
Weak aqua ammonia in tank is sent into secondary amine spray column after concentrated ammonia liquor system processed and recycled；
(2) centrifuge：Solid quality content is sent into thickener for the 30% fertile crystallization suspension of poly- member, through stiff
Centrifuge is sent into after device precipitation, stiff, crystal grain increase, the supernatant feeding weak aqua ammonia storage tank after centrifugation must be attached to sieve
Online poly- member fertilizer crystallization, the mother liquor that thickener overflow goes out enters after brilliant liquid/gas separator, stratification, and clear mother liquor sends into weak aqua ammonia
Storage tank, fine crystallization liquid returns to thickener；
(3) granulating and forming：8% additive of poly- member fertilizer crystallization and poly- member fertilizer crystallization gross mass is sent into continuous mixer
Comminutor granulation is sent into after batch mixing, the fertile particle feeding one-level roller screen machine of the poly- member after granulation obtains spherical poly- member fertilizer, shaped machine
Shaping is again to obtain the poly- member fertilizer of described carbon sequestration fixed nitrogen nanometer by two grades of roller screen machine roller screens, wherein, one-level roller screen machine and two grades
The powder returning charge that roller screen machine is sieved is to continuous mixer.
Embodiment 2
The production method of the poly- member fertilizer of described carbon sequestration fixed nitrogen nanometer, comprises the following steps：
(1) prepared by raw material：CO will be contained2Gas (the CO for the by-product that is carbonized in flue gas, synthetic ammonia process2) pressurized blower fan adds
It is depressed into after 0.4Pa, one-level ammonia spray column is sent into by bottom, is connect with the fertile suspension adverse current of poly- member from secondary amine spray tower bottom
Reaction is touched, the CO in one-level ammonia spray column is absorbed2Afterwards, it is the 50% fertile crystallization suspension of poly- member to form solid quality content,
The tail gas of one-level ammonia spray column is re-fed into secondary amine spray column and reacted with titre for 200tt concentrated ammonia liquor, reacted poly- member fertilizer
Crystallization suspension is admitted at the top of one-level ammonia spray column, and unreacted gas is then admitted to Water spray ammonia absorption tower, with weak aqua ammonia or
Soft water elutes the ammonia being wherein mingled with, and the weak aqua ammonia that obtained weak aqua ammonia enters in weak aqua ammonia storage tank, weak aqua ammonia storage tank is through system
Secondary amine spray column is sent into after concentrated ammonia liquor system to recycle；
(2) centrifuge：Solid quality content is sent into thickener for the 50% fertile crystallization suspension of poly- member, through stiff
Centrifuge is sent into after device precipitation, stiff, crystal grain increase, the supernatant feeding weak aqua ammonia storage tank after centrifugation must be attached to sieve
Online poly- member fertilizer crystallization, the mother liquor that thickener overflow goes out enters after brilliant liquid/gas separator, stratification, and clear mother liquor sends into weak aqua ammonia
Storage tank, fine crystallization liquid returns to thickener；
(3) granulating and forming：By poly- member fertilizer crystallization and the continuous mixing of 10% additive feeding of poly- member fertilizer crystallization gross mass
Comminutor granulation is sent into after machine batch mixing, the fertile particle feeding one-level roller screen machine of the poly- member after granulation obtains spherical poly- member fertilizer, shaped
Machine shaping is again to obtain the poly- member fertilizer of described carbon sequestration fixed nitrogen nanometer by two grades of roller screen machine roller screens, wherein, one-level roller screen machine and two
The powder returning charge sieved of level roller screen machine is to continuous mixer.
Embodiment 3
The production method of the poly- member fertilizer of described carbon sequestration fixed nitrogen nanometer, comprises the following steps：
(1) prepared by raw material：CO will be contained2Gas (flue gas) pressurized blower fan is forced into after 0.35Pa, and one is sent into by bottom
Level ammonia spray column, the fertile suspension counter current contacting reaction of poly- member with spraying tower bottom from secondary amine, absorbs one-level ammonia spray column
Interior CO2Afterwards, it is the 40% fertile crystallization suspension of poly- member to form solid quality content, and the tail gas of one-level ammonia spray column is re-fed into
Secondary amine spray column reacts with titre for 190tt concentrated ammonia liquor, and the reacted poly- fertile crystallization suspension of member is admitted to the spray of one-level ammonia
Top of tower is drenched, unreacted gas is then admitted to Water spray ammonia absorption tower, is eluted the ammonia being wherein mingled with weak aqua ammonia or soft water,
The weak aqua ammonia that obtained weak aqua ammonia enters in weak aqua ammonia storage tank, weak aqua ammonia storage tank sends into secondary amine spray after concentrated ammonia liquor system processed
Tower is recycled；
(2) centrifuge：Solid quality content is sent into thickener for the 40% fertile crystallization suspension of poly- member, through stiff
Centrifuge is sent into after device precipitation, stiff, crystal grain increase, the supernatant feeding weak aqua ammonia storage tank after centrifugation must be attached to sieve
Online poly- member fertilizer crystallization, the mother liquor that thickener overflow goes out enters after brilliant liquid/gas separator, stratification, and clear mother liquor sends into weak aqua ammonia
Storage tank, fine crystallization liquid returns to thickener；
(3) granulating and forming：9% additive of poly- member fertilizer crystallization and poly- member fertilizer crystallization gross mass is sent into continuous mixer
Comminutor granulation is sent into after batch mixing, the fertile particle feeding one-level roller screen machine of the poly- member after granulation obtains spherical poly- member fertilizer, shaped machine
Shaping is again to obtain the poly- member fertilizer of described carbon sequestration fixed nitrogen nanometer by two grades of roller screen machine roller screens, wherein, one-level roller screen machine and two grades
The powder returning charge that roller screen machine is sieved is to continuous mixer.
Planting experiment：
Potato, spring maize and cotton are not planted using the poly- first nutriment in a fertilizer of carbon sequestration fixed nitrogen produced by the invention nanometer, with common urine
Element is compared, and specific experiment data are as follows：
(1) potato
1st, the poly- first loam beans species test data of carbon sequestration fixed nitrogen nanometer
(2) spring maize
2nd, the fertile corn seed investigating data of the poly- member of carbon sequestration fixed nitrogen nanometer
Remarks：1=CK (control-common ammonium hydrogen carbonate), 2=J (the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer), 3=N (urea)
(3) cotton
3rd, the fertile cotton species test data of the poly- member of carbon sequestration fixed nitrogen nanometer
| Area code | Processing | Cell unginned cotton dry weight/kg | Per mu yield/kg |
| 1 | CK | 6.78 | 225.77 |
| 2 | J | 6.8 | 237.76 |
| 3 | N | 7.16 | 238.43 |
| 4 | J | 6.92 | 241.96 |
| 5 | N | 6.88 | 229.10 |
| 6 | CK | 7.6 | 253.08 |
| 7 | N | 7.24 | 241.09 |
| 8 | CK | 7.16 | 238.43 |
| 9 | J | 8.24 | 288.1 |
Remarks：1=CK (control-common ammonium hydrogen carbonate), 2=J (the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer), 3=N (urea)
Control group uses common ammonium hydrogen carbonate, belongs to low nitrogenous fertilizer, the poly- first fertilizer of carbon sequestration fixed nitrogen nanometer is low nitrogenous fertilizer, and urea is high
Nitrogenous fertilizer, it can be seen from above table during member fertilizer plantation potato poly- using carbon sequestration fixed nitrogen of the present invention nanometer, potato per mu yield is long-range
In the per mu yield using high nitrogen fertilizer urea.During maize planting, corn per mu yield is slightly fluctuated with cell Zongzi grain weight, general trend
It is the poly- member fertilizer of the common ammonium hydrogen carbonate ﹤ urea ﹤ carbon sequestrations fixed nitrogen nanometer of per mu yield, cotton is also into same trend.It can be seen that the present invention is not only
Solve CO2The problem of environmental pollution of gas, greatly reduces the production cost of poly- member fertilizer, while also substantially increasing nitrogen
Utilization rate, improves crop yield.
Claims (9)
1. a kind of production method of the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer, it is characterised in that：Raw material used is to contain CO2Gas, it is described
Containing CO2CO of the gas from flue gas, alcoholic fermentation by-product2, the by-product that is carbonized in synthetic ammonia process CO2In one or more.
2. the production method of the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer according to claim 1, it is characterised in that comprise the following steps：
(1) prepared by raw material：CO will be contained2After the pressurized blower fan pressurization of gas, feeding absorption tower is reacted with ammoniacal liquor, forms poly- member fertilizer knot
Crystalline suspension liquid；
(2) centrifuge：By the fertile crystallization suspension feeding thickener of poly- member, precipitated through thickener, stiff, crystal grain are sent into after increasing
Centrifuge, the supernatant feeding weak aqua ammonia storage tank after centrifugation must be attached to the poly- member fertilizer crystallization on screen cloth；
(3) granulating and forming：By feeding comminutor granulation after poly- member fertilizer crystallization and additive feeding continuous mixer batch mixing, after granulation
The fertile particle feeding one-level roller screen machine of poly- member obtain spherical poly- member fertilizer, shaped machine shaping is produced by two grades of roller screen machine roller screens again
To the described poly- member fertilizer of carbon sequestration fixed nitrogen nanometer.
3. the production method of the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer according to claim 2, it is characterised in that：Step (1) is described
Stock preparation process in, CO will be contained2One-level ammonia spray column is sent into by bottom after the pressurization of gas pressurized blower fan, and from two grades
The fertile suspension counter current contacting reaction of poly- member of ammonia spray tower bottom, absorbs the CO in one-level ammonia spray column2Afterwards, the poly- member fertilizer of formation
Crystallization suspension sends into thickener, and the tail gas of one-level ammonia spray column is re-fed into secondary amine spray column and reacted with concentrated ammonia liquor, after reaction
The poly- fertile crystallization suspension of member be admitted at the top of one-level ammonia spray column, unreacted gas is then admitted to Water spray ammonia absorption tower, uses
Weak aqua ammonia or soft water elute the ammonia being wherein mingled with, and obtained weak aqua ammonia enters dilute in weak aqua ammonia storage tank, weak aqua ammonia storage tank
Ammoniacal liquor is sent into secondary amine spray column after concentrated ammonia liquor system processed and recycled.
4. the production method of the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer according to Claims 2 or 3, it is characterised in that：Step (1) institute
In the stock preparation process stated, CO will be contained2The pressurized blower fan of gas is forced into 0.3-0.4Pa.
5. the production method of the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer according to claim 3, it is characterised in that：Described secondary amine
The titre of concentrated ammonia liquor in spray column is 180-200tt.
6. the production method of the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer according to claim 2, it is characterised in that：Step (1) is described
The fertile crystallization suspension solid quality content of poly- member be 30-50%.
7. the production method of the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer according to claim 2, it is characterised in that：Step (2) is described
Centrifugal separation processes in, mother liquor that thickener overflow goes out enters after brilliant liquid/gas separator, stratification, and clear mother liquor sends into weak aqua ammonia
Storage tank, fine crystallization liquid returns to thickener.
8. the production method of the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer according to claim 2, it is characterised in that：Step (3) is described
Granulating and forming during, the powder returning charge that one-level roller screen machine and two grades of roller screen machines are sieved to continuous mixer.
9. the production method of the poly- member fertilizer of carbon sequestration fixed nitrogen nanometer according to claim 2, it is characterised in that：Step (3) is described
Additive addition be poly- member fertilizer crystallization gross mass 8-10%.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1696079A (en) * | 2005-04-25 | 2005-11-16 | 明水化肥厂 | Technique for preparing joint product of ammonium hydrogen from triamine |
| CN101298018A (en) * | 2008-06-04 | 2008-11-05 | 北京卓易天元科技发展有限公司 | Method for absorbing CO2 of stack gas by ammonia water |
| CN101362659A (en) * | 2007-08-10 | 2009-02-11 | 刘键 | Nano carbon long-acting environment friendly compound fertilizer |
| CN101497452A (en) * | 2008-01-28 | 2009-08-05 | 刘键 | Method for preparing ammonium acid carbonate using flue gas and equipment thereof |
| CN101857246A (en) * | 2010-06-28 | 2010-10-13 | 董继文 | Process method for co-producing ammonium bicarbonate by using coking plant waste |
| CN106178884A (en) * | 2015-04-30 | 2016-12-07 | 杨名翔 | Carbon dioxide waste gas treatment system |
-
2017
- 2017-06-20 CN CN201710467611.0A patent/CN107200607A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1696079A (en) * | 2005-04-25 | 2005-11-16 | 明水化肥厂 | Technique for preparing joint product of ammonium hydrogen from triamine |
| CN101362659A (en) * | 2007-08-10 | 2009-02-11 | 刘键 | Nano carbon long-acting environment friendly compound fertilizer |
| CN101497452A (en) * | 2008-01-28 | 2009-08-05 | 刘键 | Method for preparing ammonium acid carbonate using flue gas and equipment thereof |
| CN101298018A (en) * | 2008-06-04 | 2008-11-05 | 北京卓易天元科技发展有限公司 | Method for absorbing CO2 of stack gas by ammonia water |
| CN101857246A (en) * | 2010-06-28 | 2010-10-13 | 董继文 | Process method for co-producing ammonium bicarbonate by using coking plant waste |
| CN106178884A (en) * | 2015-04-30 | 2016-12-07 | 杨名翔 | Carbon dioxide waste gas treatment system |
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