CN211111778U - Equipment suitable for improving water solubility of trace elements in ammonium phosphate product - Google Patents
Equipment suitable for improving water solubility of trace elements in ammonium phosphate product Download PDFInfo
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- CN211111778U CN211111778U CN201922004706.6U CN201922004706U CN211111778U CN 211111778 U CN211111778 U CN 211111778U CN 201922004706 U CN201922004706 U CN 201922004706U CN 211111778 U CN211111778 U CN 211111778U
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Abstract
The utility model discloses equipment suitable for improving the water solubility of trace elements in ammonium phosphate products, which comprises a trace element adding device, a premixing primary reaction device, a shearing and dispersing secondary reaction device, a corresponding delivery pump, a pipeline and a valve; when the device is used, a trace element raw material is added into a trace element raw material bin, is metered into a premixing primary reaction tank, is mixed with a granulation tail gas washing liquid containing phosphoric acid, and is subjected to primary reaction under the action of a high-strength stirrer; conveying the mixture into a shearing and dispersing secondary reaction tank, shearing the unreacted or reaction-generated precipitate under the action of a shearing disperser, and uniformly dispersing the precipitate in the solution; adding concentrated sulfuric acid to react with the trace element raw material in the washing liquid, uniformly feeding the mixture into a tubular reactor for spraying and granulating to produce a qualified trace element ammonium phosphate product. The utility model discloses can effectively reduce the interference of microelement raw materials to the ammonium phosphate production technology control, be applicable to the manufacturing enterprise of ammonium phosphate product.
Description
Technical Field
The invention relates to production of a phosphorus compound fertilizer, in particular to equipment for producing ammonium phosphate, and particularly relates to equipment for producing differentiated and customized trace element ammonium phosphate products.
Background
At present, the productivity of the traditional phosphate fertilizer product is seriously surplus, and the homogenization competition is fierce. Based on the actual production, the phosphorus fertilizer chemical industry products need to be positioned and distributed again, and the supply side reform of the phosphorus fertilizer chemical industry products is accelerated. The production of the trace element ammonium phosphate is the transformation upgrade of products, the scale production of customized and differentiated products, and is a necessary way for the production of the ammonium phosphate. The addition of the trace element raw materials inevitably reduces the content of nitrogen and phosphorus pentoxide in the product, and increases the control difficulty of the production system. In order to reduce the influence of trace elements on nitrogen and phosphorus nutrients in an original product, high-content oxides are generally adopted as raw materials, partial oxides react with phosphoric acid to form precipitates in the production process, and the water solubility of the trace elements is greatly influenced.
Disclosure of Invention
The utility model aims at providing an equipment suitable for improve microelement (zinc, copper, manganese) ammonium phosphate product in microelement water-solubility, through design research and development and add corresponding device, through the adjustment of control index, dispose reasonable microelement-phosphoric acid mixed liquid and be used for production, solve above-mentioned problem.
The utility model provides a device for improving the water solubility of trace elements in ammonium phosphate products, which comprises a trace element adding device, a premixing primary reaction device, a shearing and dispersing secondary reaction device, a corresponding delivery pump, a pipeline and a valve;
the trace element adding device comprises a trace element raw material bin, an automatic control metering belt, a conveying elevator, and an inlet chute, an outlet chute and a distribution valve which are matched;
the premixing primary reaction device comprises a premixing primary reaction tank, is positioned at the lower part of the conveying hoister of the trace element adding device, and is provided with a high-strength stirrer, a granulation tail gas washing liquid inlet pipe, a trace element raw material inlet pipe, a reaction tail gas exhaust pipe, a primary mixed liquid conveying pump, a matched conveying pipeline and a matched valve;
the shearing and dispersing secondary reaction device comprises high-speed shearing and dispersing equipment, a shearing and dispersing secondary reaction tank, a sulfuric acid inlet pipe, a secondary mixed liquid emulsification pump, a matched conveying pipeline and a matched valve.
Preferably, the high-speed shearing and dispersing equipment is a shearing and dispersing machine, the rotating speed of a main shaft is 0-2900 r/min, a rotor rotating at high speed is used for generating strong shearing force, the primary reaction mixed liquid containing the trace element raw materials enters narrow and precise gaps of the rotor and is subjected to centrifugal, extrusion, shearing, impact and other acting forces, so that particles in the mixed liquid are fully crushed and sheared, and the mixed liquid required by production is obtained.
When the utility model is used, the trace element raw material bin is added with the trace element raw material, according to the specification of the produced trace element product, the trace element raw material is uniformly added to the premixing primary reaction tank through metering, the premixing primary reaction tank adopts the granulation tail gas washing liquid containing phosphoric acid as a reaction carrier, the washing liquid after metering is conveyed to enter the premixing primary reaction tank, the trace element raw material and the washing liquid are mixed in the premixing primary reaction tank, and preliminary reaction is carried out under the action of the high-strength stirrer; conveying the reacted mixed solution into a shearing and dispersing secondary reaction tank, shearing the unreacted or reaction generated precipitate under the action of a shearing disperser, and uniformly dispersing the precipitate in the solution; concentrated sulfuric acid is added into the shearing and dispersing secondary reaction tank according to a certain proportion, and reacts with the trace element raw material in the washing liquid under the action of the shearing disperser, so that more trace elements exist in an ionic state, and the water solubility of the trace elements in the product is better increased. The prepared trace element solution uniformly enters a tubular reactor for spraying granulation to produce qualified trace element ammonium phosphate products.
The utility model discloses when guaranteeing product quality, furthest improves microelement's water-solubility to ensure the product fertilizer efficiency, effectively reduced the interference of microelement raw materials to phosphorus ammonium production technology control simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. 2, 3, 4, automatically controlling a metering belt; 5. a conveyor belt; 6. a conveying elevator; 7. premixing a first-stage reaction tank; 8. a premix feed pump; 9. a shearing and dispersing secondary reaction tank; 10. an emulsification pump; 11. a high speed mixer; 12. shearing the disperser; a. b, c, d and a trace element raw material bin.
Detailed Description
The invention will now be further described with reference to the accompanying drawings:
the equipment for improving the water solubility of trace elements in a trace element (zinc, copper and manganese) ammonium phosphate product by a certain ammonium phosphate production device takes the production of zinc-containing granular monoammonium phosphate (Zn-GMAP) as an example:
the equipment comprises a zinc oxide adding device, a premixing primary reaction device, a shearing and dispersing secondary reaction device, a corresponding delivery pump, a pipeline and a valve.
The zinc oxide adding device comprises trace element raw material bins a, b, c and d, automatic control metering belts 1, 2, 3 and 4, a conveying belt 5, a conveying elevator 6, and matched inlet and outlet chutes and distribution valves.
The premixing primary reaction device comprises a premixing primary reaction tank 7, is positioned at the lower part of a zinc oxide adding device conveying elevator, and is provided with a high-strength stirrer 11, a granulation tail gas washing liquid inlet pipe, a zinc oxide inlet chute, a reaction tail gas exhaust pipe, a primary mixed liquid conveying pump 8, a matched conveying pipeline and a matched valve.
The shearing and dispersing secondary reaction device comprises a high-speed shearing and dispersing device 12, a secondary reaction tank 9, a sulfuric acid inlet pipe, a secondary mixed liquid emulsification pump 10, a matched conveying pipeline and a matched valve.
The high-speed shearing and dispersing equipment is a novel shearing and stirring device, namely a shearing and dispersing machine 12, designed independently, the rotating speed of a main shaft is 0-2900 r/min, a rotor rotating at a high speed is used for generating strong shearing force, primary reaction mixed liquid containing trace element raw materials enters narrow and precise gaps of the rotor and is subjected to centrifugal, extrusion, shearing, impact and other acting forces, so that particles in the mixed liquid are fully crushed and sheared, and mixed solution required by production is obtained.
The operation steps are as follows:
a. checking each microelement raw material bin (a, b, c and d), the premixing primary reaction tank 7 and the shearing dispersion secondary reaction tank 9 to be intact, checking the insulation condition of a motor of equipment, checking whether the lubrication of each equipment is intact, informing an electrician to measure the insulation, and powering on;
b. starting the microelement raw material hoister 6, starting the conveying belt 5, starting the microelement metering belts 1, 2, 3 and 4 and switching to a remote control state.
c. Opening a valve of a granulation tail gas washing liquid conveying branch pipe, adding granulation tail gas washing liquid from a granulation tail gas washing liquid sealing tank into the premixing primary reaction tank 7, and starting the high-speed stirrer 11 when the liquid level of the granulation tail gas washing liquid submerges the stirring paddle; opening an air pipe air valve at the top of the premixing primary reaction tank to ensure that the interior of the reaction tank is kept in a micro-negative pressure state; the addition amount of zinc oxide is set, the proper motor frequency is adjusted, and the trace element raw material is stably added into the premixing primary reaction tank 7. Under the action of the stirrer 11, zinc oxide and the granulation tail gas washing liquid containing phosphoric acid are subjected to preliminary reaction to generate zinc phosphate precipitate, and water vapor generated by the reaction is introduced into a washing system by an air pipe to participate in washing.
d. And (3) continuously adding the granulation tail gas washing liquid and the zinc oxide into the tank, starting a primary mixed liquid conveying pump 8 to convey the mixed liquid into a shearing and dispersing secondary reaction tank 9 after the liquid level of the premixing primary reaction tank 7 reaches 80%, and adjusting the flow to be balanced.
e. When the premix entering the shearing and dispersing secondary reaction tank 9 passes through the shearing disperser 12, the shearing disperser 12 is started to shear the particles in the premix into finer particles and uniformly disperse the particles in the mixed solution; simultaneously opening a sulfuric acid regulating valve, adding quantitative sulfuric acid into the shearing and dispersing secondary reaction tank 9, and allowing the sulfuric acid to react with particulate matters (zinc phosphate and zinc oxide) in the mixed solution to generate soluble zinc sulfate; the second-stage reaction solution which is more complete in reaction and more uniform in dispersion is conveyed into the tubular reactor through the emulsification pump 10 to participate in spraying granulation to produce the ammonium phosphate product containing trace elements.
Claims (2)
1. The utility model provides an equipment suitable for improve microelement water-solubility in phosphorus ammonium product which characterized by: the equipment comprises a trace element adding device, a premixing primary reaction device, a shearing and dispersing secondary reaction device, a corresponding delivery pump, a pipeline and a valve;
the trace element adding device comprises a trace element raw material bin, an automatic control metering belt, a conveying belt (5), a conveying elevator (6) and matched inlet and outlet chutes and distribution valves;
the premixing primary reaction device comprises a premixing primary reaction tank (7), a high-strength stirrer (11), a granulation tail gas washing liquid inlet pipe, a trace element raw material inlet pipe, a reaction tail gas exhaust pipe, a primary mixed liquid conveying pump (8), a matched conveying pipeline and a matched valve, wherein the premixing primary reaction tank is positioned at the lower part of a conveying hoister (6) of the trace element adding device;
the shearing and dispersing secondary reaction device comprises high-speed shearing and dispersing equipment (12), a secondary reaction tank (9), a sulfuric acid inlet pipe, a secondary mixed liquid emulsification pump (10), and a matched conveying pipeline and valve.
2. The apparatus of claim 1, wherein the apparatus is adapted to improve the solubility of trace elements in the ammonium phosphate product in water, and further comprises: the high-speed shearing and dispersing equipment is a shearing and dispersing machine, and the rotating speed of a main shaft is 0-2900 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004706.6U CN211111778U (en) | 2019-11-20 | 2019-11-20 | Equipment suitable for improving water solubility of trace elements in ammonium phosphate product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004706.6U CN211111778U (en) | 2019-11-20 | 2019-11-20 | Equipment suitable for improving water solubility of trace elements in ammonium phosphate product |
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| CN211111778U true CN211111778U (en) | 2020-07-28 |
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| CN201922004706.6U Active CN211111778U (en) | 2019-11-20 | 2019-11-20 | Equipment suitable for improving water solubility of trace elements in ammonium phosphate product |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110723999A (en) * | 2019-11-20 | 2020-01-24 | 瓮福（集团）有限责任公司 | Equipment and method suitable for improving water solubility of trace elements in trace element ammonium phosphate product |
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2019
- 2019-11-20 CN CN201922004706.6U patent/CN211111778U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110723999A (en) * | 2019-11-20 | 2020-01-24 | 瓮福（集团）有限责任公司 | Equipment and method suitable for improving water solubility of trace elements in trace element ammonium phosphate product |
| CN110723999B (en) * | 2019-11-20 | 2024-04-23 | 瓮福（集团）有限责任公司 | Equipment and method suitable for improving water solubility of trace elements in trace element ammonium phosphate product |
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