CN102557761A - Inorganic explosion-proof agent and agricultural explosion-proof ammonium nitrate prepared by inorganic explosion-proof agent - Google Patents
Inorganic explosion-proof agent and agricultural explosion-proof ammonium nitrate prepared by inorganic explosion-proof agent Download PDFInfo
- Publication number
- CN102557761A CN102557761A CN2012100494322A CN201210049432A CN102557761A CN 102557761 A CN102557761 A CN 102557761A CN 2012100494322 A CN2012100494322 A CN 2012100494322A CN 201210049432 A CN201210049432 A CN 201210049432A CN 102557761 A CN102557761 A CN 102557761A
- Authority
- CN
- China
- Prior art keywords
- explosion
- ammonium nitrate
- proof
- agent
- inorganic
- 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.)
- Pending
Links
Landscapes
- Fertilizers (AREA)
Abstract
The invention relates to an explosion-proof agent for agricultural ammonium nitrate, in particular to an inorganic explosion-proof agent and agricultural explosion-proof ammonium nitrate prepared by the inorganic explosion-proof agent. The inorganic explosion-proof agent consists of the following raw materials in percentage by mass: 60 to 80 percent of explosion-stopping agent, 5 to 10 percent of deterrent, 10 to 30 percent of explosion-eliminating agent, 4 to 10 percent of speed-reducing agent and 1 to 10 percent of anti-caking agent. The agricultural explosion-proof ammonium nitrate prepared by the inorganic explosion-proof agent consists of the following raw materials in percentage by mass: 96 to 98.5 percent of ammonium nitrate and 1.5 to 4 percent of explosion-proof agent. The explosion-proof agent serves as an effective passivator in the production process of the agricultural explosion-proof ammonium nitrate and can be widely applicable to preparation of the explosion-proof ammonium nitrate. The explosion-proof ammonium nitrate prepared by the explosion-proof agent has anti-detonating property, non-restorability and no pollution to soil, contributes to growth of crops, and has excellent looseness in the storage period.
Description
Technical field
The present invention relates to a kind of agricultural ammonium nitrate and use detonation suppressor, be specially a kind of inorganic detonation suppressor and reach by its explosion proof ammonium nitrate for agricultural of processing.
Background technology
An ammonium nitrate is traditional high-quality agricultural fertilizer, is again the main raw material of ammonium explosive.Very easily be processed into " native explosive " privately and be used for illegal mining, terrorist activity even destroys resource, influences social security.Country issued No. 52 files of State Council in 2002 for this reason, to an ammonium nitrate stringent regulations, forbade an ammonium nitrate is sold as agrochemical.Owing to the market requirement of some farm crop to nitrate fertilizer, allow modification of ammonium nitrate is handled, make it to lose explosive as agrochemical sale and use.
In order to solve the modification of ammonium nitrate requirement, the patent of report about modification of ammonium nitrate arranged all both at home and abroad.In an ammonium nitrate, add the above ammonium hydrogen phosphate of 5%-10% in the U.S. Pat 003366468 or primary ammonium phosphate is made fire retardant, thereby and reduce the explosivity that an ammonium nitrate nitrogen content in agricultural fertilizer reduces ammonium nitrate fertilizer; China Sichuan Qi Da company proposes two pieces of patent of invention CN02156254.7 continuously during 2002-2003, the CN03117530.9 report has been developed two kinds of detonation suppressors, adopts physics blending ammonium hydrogen phosphate and inertia breeze to come passivation an ammonium nitrate; Among the Chinese patent CN200410042733.8 in 2004 by toughener, feel the detonation suppressor that agent and stablizer are formed immediately; The ratio of adding in an ammonium nitrate is 3-10%, thereby is characterized in that powder detonation suppressor and an ammonium nitrate eutectic form passivation an ammonium nitrate and improved forefathers' explosion-proof effect; Single component Explosion suppressants such as Chinese Northcentral University employing magnesium basic carbonate came passivation an ammonium nitrate in 2005, made the impact sensitivity blast percentage ratio of its ammonium nitrate-fuel oil mixture of processing be reduced to 24% from 88%; Subsequently among Chinese patent CN200810000654.9, the CN200910157950.4 about Modification of Ammonium Nitrate, used a large amount of organic compositions successfully to prepare detonation inhibitor for ammonium nitrate.But above-mentioned various detonation suppressor does not obtain all that industrialness is produced in batches and utilization, major cause be have that detonation suppressor adds that consumption is big, detonation suppressor water-soluble bad, explosion-proof effect is poor, the organic composition in the agricultural ammonium nitrate be not easy by crop absorb, technological deficiency such as goods were prone to harden in the shelf lives.
Summary of the invention
The present invention is directed to the deficiency of prior art, provide a kind of inorganic detonation suppressor to reach by its explosion proof ammonium nitrate for agricultural of processing.
The present invention adopts following technical scheme to realize: a kind of inorganic detonation suppressor, and its raw material by following mass percent is formed: explosion-proof agent 60-80%, deterrent 5-10%, the detonator 10-30% that disappears, reduction of speed agent 4-10%, anti-caking agent 1-10%; Wherein: said explosion-proof agent adopts Sulfateses such as Tai-Ace S 150, ammonium sulfate, vitriolate of tartar, sodium sulfate; Feel agent immediately and adopt wherein a kind of in Natural manganese dioxide, zinc oxide, calcium phosphate, ammonium phosphate, ammonium hydrogen phosphate, the primary ammonium phosphate; The detonator that disappears adopts carbonates such as lime carbonate, magnesiumcarbonate, aluminium carbonate, zinc carbonate; Pearlstone or sepiolite or kaolin are adopted in the reduction of speed agent; Anti-caking agent adopts potassium felspar sand or WHITE CARBON BLACK.
Inorganic detonation suppressor of the present invention is detected, and its technical indicator is as shown in table 1 below:
Table 1
| Outward appearance | The white powder solid mixture |
| Fineness | 60 orders (sieving rate) >;=90% |
| Bulk density (g/ cm 3? ） | 0.60-0.70 |
| Heat decomposition temperature ℃ (DSC-TGA) | ≥200 |
| Moisture | ≤2.5 |
| Intermiscibility with an ammonium nitrate, oil phase | Well |
By the explosion proof ammonium nitrate for agricultural that above-mentioned inorganic detonation suppressor is processed, its raw material by following mass percent is formed: an ammonium nitrate 96-98.5%, detonation suppressor 1.5-4%.Its preparation method is the technology that those skilled in the art realize easily, as: 1, detonation suppressor according to the invention being added concentration is in the ammonium nitrate crystals mother liquor of 90%-92%, in crystallizer, through the fusion vacuum crystallization, obtains explosion proof ammonium nitrate for agricultural after the drying; 2, detonation suppressor according to the invention is added in the tempering tank before the molten state an ammonium nitrate prilling spry that concentration is 98.5%-99%, through obtaining explosion proof ammonium nitrate for agricultural after melt compounding, the shower nozzle granulation.Each component role is following in the wherein inorganic detonation suppressor: explosion-proof agent and an ammonium nitrate can generate fine and close eutectic or duplex grain structure; Can strengthen the granule strength and the density of an ammonium nitrate; It is big that explosion-proof agent itself generates heat, and lattice energy is big thereby stop detonation wave in an ammonium nitrate, to propagate, hinder the Kettenreaktion of detonation process; Feel the Sensitivity to Primary Explosion that agent can reduce an ammonium nitrate immediately, stop igniting, focus to generate and transmit; The detonator that disappears can make the blast that has caused be suppressed at once and decay or extinguish; The reduction of speed agent can make the blast that is causing weaken rapidly; Anti-caking agent can improve the free-flowing property of particle in the ammonium nitrate product, plays agglomeration preventing performance, helps transportation and storage.
In the preparation process of explosion proof ammonium nitrate for agricultural, adopt SDT-Q600 type differential scanning calorimetric-thermogravimetric analysis integrated instrument (also claiming the DSC-TGA method) to detect the thermolysis power temperature of detonation suppressor, detected result sees the following form 2:
Table 2
| The sample title | Initial heat decomposition temperature To ℃ | Te ℃ of terminal point heat decomposition temperature | Analyze the date |
| An ammonium nitrate (before not adding detonation suppressor) | 213.64 | 281.85 | 2010.12 |
| Explosion proof ammonium nitrate for agricultural of the present invention | 242-251.94 | 310.08-414.14 | 2010.12 |
It is hot that but knowledge capital invention explosion-proof ammonium nitrate has anti-height from last table 2, and the technological temperature when particularly the initial heat decomposition temperature of goods of the present invention is far above production granulation an ammonium nitrate (168 ℃-173 ℃) is so production use safety.
Make explosion proof ammonium nitrate for agricultural after inorganic detonation suppressor according to the invention and common detonation suppressor (comparative example) and an ammonium nitrate all mixed by identical above-mentioned mass percent; Be applied to the manufacturing of 2# ammonium nitrate-fuel oil mixture; Detect according to the capability of antidetonance of industry standard " WJ9050-2006 agricultural ammonium nitrate capability of antidetonance TP and judgement ":, be 0.85-0.90g/cm according to packing density with the ammonium nitrate-fuel oil mixture sample for preparing to this ammonium nitrate-fuel oil mixture
3Scope, the diameter of packing into is that 80 ㎜, pipe range are in the irony sample hose of 160 ㎜, processes powder stick; One end seals with kraft liner, and the other end is uncovered, then the general steel plate base is placed the level ground; Support is placed on the base; Again the thick witness plate of carbon structure steel 1 ㎜ is lain on the support, be placed on witness plate central authorities to powder stick, use blasting cap initiation.Judge regulation: three witness plates all do not puncture or tear, and then uprising performance is qualified.Detect 9 times, the result representes that the ammonium nitrate-fuel oil mixture sample that adopts the inorganic detonation suppressor of the present invention to make does not all puncture, and reaches capability of antidetonance requirement; The ammonium nitrate-fuel oil mixture sample that adopts common detonation suppressor to make has 7 not punctures, 2 punctures.Experimental result shows that the explosion proof ammonium nitrate for agricultural anti-knocking property that no detonation suppressor according to the invention makes are good.
When the explosion proof ammonium nitrate for agricultural that the present invention is made is used for agrochemical; Go up the same farm crop of plantation in the soil of executing the agrochemical that adds explosion proof ammonium nitrate for agricultural of the present invention and the soil (comparative example) of executing common chemical fertilizer; The latter two compare the farm crop harvesting; The agrochemical that adds explosion-proof ammonium nitrate of the present invention does not only influence fertilizer efficiency and also played synergism, and is pollution-free to soil, be prone to fully absorbed by farm crop, and farm crop harvesting back is compared its output with comparative example has increased by 3%.
Inorganic detonation suppressor according to the invention in the explosion proof ammonium nitrate for agricultural production process as effective passivator and in the preparation method of explosion proof ammonium nitrate for agricultural consumption few; Can make that explosion proof ammonium nitrate for agricultural is stable, Nai Gaore, unreducible, total nutrient be not less than 34%; Being used for agrochemical does not only influence fertilizer efficiency and has synergism; Pollution-free to soil, be prone to fully to be absorbed by crop, store six months and do not lump, non-sclerous, good free-running property is arranged, production cost is low, labor strength is little; Can be adaptable across the preparation of explosion proof ammonium nitrate for agricultural.
The practical implementation method
Embodiment 1
A kind of inorganic detonation suppressor, its raw material by following mass percent is formed: Tai-Ace S 150 71%, primary ammonium phosphate 5%, aluminium carbonate 15%, pearlstone 4%, potassium felspar sand 5%.
In 168 ℃ of-173 ℃ of tempering tanks of high tower pellatizer production ammonium nitrate production line; Inject molten state ammonium nitrate mother liquor (concentration is 98.5-99.0%); Belt adds in tempering tank and ammonium nitrate mother liquor is the above-mentioned detonation suppressor of 1.5%:98.5% with the mass percent through feeding in raw material; The separator vacuum degree control is 0.075MPa-0.085 MPa, mixes after 4-6 minute, opens the tempering tank portion of closing and falls to drench; Through the continuous granulation of rotary nozzle, the diameter of system is the granular agricultural explosion-proof ammonium nitrate of 1-2mm with 10t/h-12t/h granulation flow.Its outward appearance knot is white, and free-running property is good, shatter value 90%-95%, granularity >=90%, granule strength 8-13N/, total nutrient >=34.
2. 1 kinds of inorganic detonation suppressors of embodiment, its raw material by following mass percent is formed: calcium sulfate 80%, ammonium hydrogen phosphate 5%, lime carbonate 10%, sepiolite 4%, WHITE CARBON BLACK 1%.
Being 2.75%:97.25% with the mass percent with above-mentioned detonation suppressor and ammonium nitrate mother liquor makes explosion proof ammonium nitrate for agricultural with reference to the preparation method of embodiment 1; Be applied to the manufacturing of 2# ammonium nitrate-fuel oil mixture; Detect according to the capability of antidetonance of industry standard " WJ9050-2006 agricultural ammonium nitrate capability of antidetonance TP and judgement ":, be 0.85-0.90g/cm according to packing density with the ammonium nitrate-fuel oil mixture sample for preparing to this ammonium nitrate-fuel oil mixture
3Scope, the diameter of packing into is that 80 ㎜, pipe range are in the irony sample hose of 160 ㎜, processes powder stick; One end seals with kraft liner, and the other end is uncovered, then the general steel plate base is placed the level ground; Support is placed on the base; Again the thick witness plate of carbon structure steel 1 ㎜ is lain on the support, be placed on witness plate central authorities to powder stick, use blasting cap initiation.Judge regulation: three witness plates all do not puncture or tear, and then uprising performance is qualified.Detected result is qualified, reaches capability of antidetonance requirement.
3. 1 kinds of inorganic detonation suppressors of embodiment, its raw material by following mass percent is formed: vitriolate of tartar 60%, Natural manganese dioxide 10%, magnesiumcarbonate 10%, sepiolite 10%, WHITE CARBON BLACK 10%.
Being 4%:96% with the mass percent with above-mentioned detonation suppressor and ammonium nitrate mother liquor makes explosion proof ammonium nitrate for agricultural with reference to the preparation method of embodiment 1, meets the antiknock requirement through detecting.
4. 1 kinds of inorganic detonation suppressors of embodiment, its raw material by following mass percent is formed: sodium sulfate 60%, calcium phosphate 5%, zinc carbonate 30%, kaolin 4%, WHITE CARBON BLACK 1%.
Negative pressure suction mass percent is that the concentration of 2%:98% is ammonium nitrate mother liquor and the above-mentioned detonation suppressor of 90%-92% in crystallizer; Under agitation be warming up to 120 ℃; Stir after 2-3 minute rapid vacuumizing and guarantee in 1 minute, to reach more than Zhen Kong Du ≧ 0.07MPa; Vacuum breaker is in the whipped state bottom discharge after vacuum-drying 5-6 minute, and goods after material turning and heat exchange are dispelled the heat, make crystallization explosion proof ammonium nitrate for agricultural in packing below 70 ℃ through belt helical feed to refrigerating unit.Detect according to industry standard " WJ9050-2006 agricultural ammonium nitrate capability of antidetonance TP and judgement " after being made into the 2# ammonium nitrate-fuel oil mixture, the result reaches uprising performance requriements.
5. 1 kinds of inorganic detonation suppressors of embodiment, its raw material by following mass percent is formed: sodium sulfate 65%, calcium phosphate 7%, zinc carbonate 20%, kaolin 7%, WHITE CARBON BLACK 1%.
Being 3%:97% with the mass percent with above-mentioned detonation suppressor and ammonium nitrate mother liquor makes explosion proof ammonium nitrate for agricultural with reference to the preparation method of embodiment 4, meets uprising performance requriements through detecting.
Claims (2)
1. inorganic detonation suppressor, it is characterized in that: its raw material by following mass percent is formed: explosion-proof agent 60-80%, deterrent 5-10%, the detonator 10-30% that disappears, reduction of speed agent 4-10%, anti-caking agent 1-10%; Wherein: said explosion-proof agent adopts Sulfates; Feel agent immediately and adopt wherein a kind of in Natural manganese dioxide, zinc oxide, calcium phosphate, ammonium phosphate, ammonium hydrogen phosphate, the primary ammonium phosphate; The detonator that disappears adopts carbonate; Pearlstone or sepiolite or kaolin are adopted in the reduction of speed agent; Anti-caking agent adopts potassium felspar sand or WHITE CARBON BLACK.
2. the explosion proof ammonium nitrate for agricultural of being processed by the described inorganic detonation suppressor of claim 1 is characterized in that: its raw material by following mass percent is formed: an ammonium nitrate 96-98.5%, detonation suppressor 1.5-4%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100494322A CN102557761A (en) | 2012-02-29 | 2012-02-29 | Inorganic explosion-proof agent and agricultural explosion-proof ammonium nitrate prepared by inorganic explosion-proof agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100494322A CN102557761A (en) | 2012-02-29 | 2012-02-29 | Inorganic explosion-proof agent and agricultural explosion-proof ammonium nitrate prepared by inorganic explosion-proof agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102557761A true CN102557761A (en) | 2012-07-11 |
Family
ID=46404545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100494322A Pending CN102557761A (en) | 2012-02-29 | 2012-02-29 | Inorganic explosion-proof agent and agricultural explosion-proof ammonium nitrate prepared by inorganic explosion-proof agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102557761A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875267A (en) * | 2012-10-11 | 2013-01-16 | 石家庄成功机电有限公司 | Explosive mixed loading truck, powdery ammonium nitrate fuel oil explosive for explosive mixed loading truck and method for preparing powdery ammonium nitrate fuel oil explosive |
| CN103601595A (en) * | 2013-11-25 | 2014-02-26 | 安徽淮化股份有限公司 | Agricultural explosion-proof ammonium nitrate |
| CN104355809A (en) * | 2014-10-29 | 2015-02-18 | 江苏丽港科技有限公司 | Special antidetonant for nitro composite fertilizer and preparation method of special antidetonant |
| CN105001003A (en) * | 2015-08-06 | 2015-10-28 | 陆月霞 | Nitro-compound fertilizer |
| CN105061045A (en) * | 2015-08-06 | 2015-11-18 | 陆月霞 | Nitro composite fertilizer and preparation method thereof |
| CN108440225A (en) * | 2018-05-30 | 2018-08-24 | 余庆县东瑞烟花爆竹有限责任公司 | A kind of pyrotechnic composition deterrent and preparation method thereof |
| CN109809837A (en) * | 2019-03-29 | 2019-05-28 | 殷海权 | The compound anti-knock agent of ammonium nitrate, high nitrogen nitro-compound fertilizer and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3366468A (en) * | 1965-02-10 | 1968-01-30 | Samuel J. Porter | Method of desensitizing fertilizer grade ammonium nitrate and the product obtained |
| CN1445325A (en) * | 2002-07-05 | 2003-10-01 | 成都齐达科技开发公司 | Ammonium nitrate explosion-proof agent |
| CN1446781A (en) * | 2003-03-24 | 2003-10-08 | 成都齐达科技开发公司 | Modified explosion protection ammonium nitrate containing phosphor or phosphor and potassium |
| CN1613827A (en) * | 2004-11-26 | 2005-05-11 | 中国石油天然气股份有限公司 | Explosion-proof ammonium nitrate and production thereof |
| CN1704386A (en) * | 2004-05-25 | 2005-12-07 | 西安近代化学研究所 | Anti-explosion ammonium nitrate for agricultural use |
| CN101333120A (en) * | 2008-01-14 | 2008-12-31 | 殷海权 | Detonation inhibitor for ammonium nitrate |
| CN101602631A (en) * | 2009-07-20 | 2009-12-16 | 殷海权 | Contain free-running property explosion proof ammonium nitrate for agricultural of water-soluble detonation suppressor and preparation method thereof |
-
2012
- 2012-02-29 CN CN2012100494322A patent/CN102557761A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3366468A (en) * | 1965-02-10 | 1968-01-30 | Samuel J. Porter | Method of desensitizing fertilizer grade ammonium nitrate and the product obtained |
| CN1445325A (en) * | 2002-07-05 | 2003-10-01 | 成都齐达科技开发公司 | Ammonium nitrate explosion-proof agent |
| CN1446781A (en) * | 2003-03-24 | 2003-10-08 | 成都齐达科技开发公司 | Modified explosion protection ammonium nitrate containing phosphor or phosphor and potassium |
| CN1704386A (en) * | 2004-05-25 | 2005-12-07 | 西安近代化学研究所 | Anti-explosion ammonium nitrate for agricultural use |
| CN1613827A (en) * | 2004-11-26 | 2005-05-11 | 中国石油天然气股份有限公司 | Explosion-proof ammonium nitrate and production thereof |
| CN101333120A (en) * | 2008-01-14 | 2008-12-31 | 殷海权 | Detonation inhibitor for ammonium nitrate |
| CN101602631A (en) * | 2009-07-20 | 2009-12-16 | 殷海权 | Contain free-running property explosion proof ammonium nitrate for agricultural of water-soluble detonation suppressor and preparation method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875267A (en) * | 2012-10-11 | 2013-01-16 | 石家庄成功机电有限公司 | Explosive mixed loading truck, powdery ammonium nitrate fuel oil explosive for explosive mixed loading truck and method for preparing powdery ammonium nitrate fuel oil explosive |
| CN102875267B (en) * | 2012-10-11 | 2016-06-15 | 石家庄成功机电有限公司 | Blasting agent mixing vehicle, powdered ammonium nitrate-fuel oil explosive and preparation method thereof for blasting agent mixing vehicle |
| CN103601595A (en) * | 2013-11-25 | 2014-02-26 | 安徽淮化股份有限公司 | Agricultural explosion-proof ammonium nitrate |
| CN104355809A (en) * | 2014-10-29 | 2015-02-18 | 江苏丽港科技有限公司 | Special antidetonant for nitro composite fertilizer and preparation method of special antidetonant |
| CN105001003A (en) * | 2015-08-06 | 2015-10-28 | 陆月霞 | Nitro-compound fertilizer |
| CN105061045A (en) * | 2015-08-06 | 2015-11-18 | 陆月霞 | Nitro composite fertilizer and preparation method thereof |
| CN108440225A (en) * | 2018-05-30 | 2018-08-24 | 余庆县东瑞烟花爆竹有限责任公司 | A kind of pyrotechnic composition deterrent and preparation method thereof |
| CN109809837A (en) * | 2019-03-29 | 2019-05-28 | 殷海权 | The compound anti-knock agent of ammonium nitrate, high nitrogen nitro-compound fertilizer and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102557761A (en) | Inorganic explosion-proof agent and agricultural explosion-proof ammonium nitrate prepared by inorganic explosion-proof agent | |
| CN101602631B (en) | Loose explosion proof ammonium nitrate for agricultural use containing water soluble antidetonant and preparation thereof | |
| CN103319290A (en) | Low-temperature-resistant high-power coalmine-permitted water-gel explosive and manufacturing method thereof | |
| CN105175127A (en) | Fertilizer caking prevention agent, and preparation method and application thereof | |
| CN104892309A (en) | Activated humic acid formulated fertilizer special for sweet potatoes and preparation method of formulated fertilizer | |
| CN100368348C (en) | Anti-explosion ammonium nitrate for agricultural use | |
| CN103724143A (en) | Rock powdery civil emulsion explosive and production process thereof | |
| CN106748598A (en) | A kind of bulking ammonium nitrate explosive and preparation method thereof | |
| CN105463203B (en) | A kind of gold mine low toxicity, efficient ore dressing auxiliary agent and preparation method thereof | |
| CN109574755A (en) | A kind of nitre sulfenyl fertilizer and preparation method thereof | |
| CN109809837A (en) | The compound anti-knock agent of ammonium nitrate, high nitrogen nitro-compound fertilizer and preparation method thereof | |
| CN107417407B (en) | Powdery potassium nitrate anti-caking agent and preparation method thereof | |
| CN101333120B (en) | Detonation inhibitor for ammonium nitrate | |
| CN103306711A (en) | Composite stopping agent preventing pulverized coal from spontaneous combustion | |
| CN108976097A (en) | A kind of fireworks safety and environmental protection colloid gunpowder and preparation method thereof | |
| CN102515883A (en) | Method for preparing slow-release compound fertilizer with xylose waste residues | |
| CN103396279A (en) | Rock type low-temperature anti-caking modified ANFO (Ammonium Nitrate Fuel Oil) explosive and preparation method thereof | |
| CN106242837A (en) | A kind of preparation method of efficient compound fertilizer anticaking agent | |
| CN111249896A (en) | In-furnace efficient denitration agent and preparation method thereof | |
| CN103772053B (en) | A kind of synergistic agent for urea and preparation method thereof and using method | |
| NO20120975A1 (en) | Process for limiting the use of an ammonium nitrate fertilizer precursor to an explosive and composition thereof | |
| CN101108778A (en) | Passivating modified safe type agricultural ammonium nitrate and method for preparation thereof | |
| CN1137071C (en) | Method for preparing loose ammonium nitrate crystals by using anti-hardening agent | |
| CN101565339A (en) | Potassium perchlorate synergistic additive | |
| US3639643A (en) | Method for elimination of the 32 c. phase transition in granules and prills containing free ammonium nitrate and products produced thereby |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120711 |