CN202594787U - Device for producing granular feed-grade calcium hydrogen phosphate by utilizing wet-process phosphoric acid - Google Patents
Device for producing granular feed-grade calcium hydrogen phosphate by utilizing wet-process phosphoric acid Download PDFInfo
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- CN202594787U CN202594787U CN 201220251571 CN201220251571U CN202594787U CN 202594787 U CN202594787 U CN 202594787U CN 201220251571 CN201220251571 CN 201220251571 CN 201220251571 U CN201220251571 U CN 201220251571U CN 202594787 U CN202594787 U CN 202594787U
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- reaction groove
- phosphoric acid
- pretreatment
- process phosphoric
- neutralization reaction
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Abstract
The utility model relates to a device for producing granular feed-grade calcium hydrogen phosphate by utilizing wet-process phosphoric acid, which is characterized in that a feeding pipeline (1) is connected with a pretreatment reaction groove (5), and the pretreatment reaction groove (5) is provided with at least one pretreatment agent tank (3) which is connected through a pipeline; the bottom of the pretreatment reaction groove (5) is connected to the upper part of a neutralizing reaction groove (10) through a pipeline, a neutralizing reaction tank (8) is arranged above the neutralizing reaction groove (10) through a pipeline, a discharging pipe (15) is arranged on the lower part of the neutralizing reaction tank, a blender (6) is arranged inside the pretreatment reaction groove (5), a blender (11) is also arranged inside the neutralizing reaction groove (10), and the discharging pipe (15) is provided with a centrifugal machine (13) and an airflow dryer (12). The device is designed for the traditional production line of the feed-grade calcium hydrogen phosphate and has characteristics of strong pertinence, simpleness and practicability in structure, low investment and modification cost of the production line and easiness in operation control.
Description
Technical field
The utility model relates to a kind of calcium hydrophosphate fodder production equipment, and concrete is a kind of device of Wet-process Phosphoric Acid Production granulated meal calcium hydrophosphate.
Background technology
Secondary calcium phosphate is the principal item of feed-grade phosphate, and working method mainly contains phosphoric acid by wet process method and two technological lines of thermal phosphoric acid method.Wherein the phosphoric acid by wet process method is the main working method of calcium hydrophosphate fodder.The phosphoric acid by wet process method is gone up in industry at present can be by diluted acid precipitation and concentrated phosphoric acid method.Because the concentrated phosphoric acid method is higher to the phosphorus ore grade requirement, and cost of investment is high.Therefore at present domestic main employing phosphoric acid by wet process after the defluorinate purifying treatment by milk of lime in and produce.The calcium hydrophosphate fodder that this method is produced is generally powdery product, has the deficiency of following several respects: (1) settlement separate difficulty, and it is bigger to dehydrate energy consumption; (2) packing of product volume is big, is unfavorable for transportation; (3) product is mixed at feed factory and flies upward greatly, and operating environment is not good, and raises the effect effect not as the granulated meal calcium hydrophosphate.Therefore, see that from above three aspects the exploitation design has practical significance by phosphoric acid by wet process method production granulated meal calcium hydrophosphate production equipment.
Summary of the invention
The purpose of the utility model is the deficiency at present existing calcium hydrophosphate fodder technology, and a kind of technical scheme of device of Wet-process Phosphoric Acid Production granulated meal calcium hydrophosphate is provided.
The technical scheme of the utility model is: a kind of device of Wet-process Phosphoric Acid Production granulated meal calcium hydrophosphate; Include pretreatment reaction groove and neutralization reaction groove; It is characterized in that; Feed pipe is connected with the pretreatment reaction groove, and the pretreatment reaction groove is provided with at least one pretreating agent jar by pipe connection; The bottom of pretreatment reaction groove is by the top of pipe connection to neutralization reaction groove; Above the neutralization reaction groove, be provided with neutralization reaction jar by pipe connection; Extraction line is located at the bottom of neutralization reaction jar; Be provided with whisking appliance in the pretreatment reaction groove, be provided with whisking appliance in the neutralization reaction groove, extraction line is provided with whizzer and baker.
Described pretreating agent jar is provided with reinforced valve and fluid metering meter.
Described neutralization reaction jar is provided with reinforced valve and fluid metering meter.
Described extraction line is provided with the discharging valve, and the pipeline of pretreatment reaction groove bottom is provided with down valve, and feed pipe is provided with the charging valve.
The utility model designs to the production line of present calcium hydrophosphate fodder, and pointed strong, simple and practical, production line invest in the transformation of real estate cost is low, controls easy characteristics.The utlity model has following advantage:
(1) production operation is simple and convenient, and technological process is controlled easily;
(2) settling velocity after the neutralization is fast, is easy to separate and dehydration;
(3) product is easy to drying, energy consumption is low;
(4) Product transport is convenient, the fodder prodn that is mixed environmental improvement, and improved and raised effect.
Description of drawings
Fig. 1 is the utility model structural representation.
Among the figure: (1) is that feed pipe, (2) are that quantifier, (3) are that pretreating agent jar, (4) are that reinforced valve, (5) are that pretreatment reaction groove, (6) are that whisking appliance, (7) are that quantifier, (8) are that neutralization reaction jar, (9) are that reinforced valve, (10) are that neutralization reaction groove, (11) are that whisking appliance, (12) are that baker, (13) are that whizzer, (14) are that discharging valve, (15) are that extraction line, (16) are that by-pass valve control, (17) are the charging valves down.
Embodiment
A kind of device of Wet-process Phosphoric Acid Production granulated meal calcium hydrophosphate; Feed pipe (1) is connected with pretreatment reaction groove (5); The pretreatment reaction groove be provided with at least one by pipe connection in pretreating agent jar (3), the pretreating agent jar is provided with reinforced valve (4) and fluid metering meter (2); The bottom of pretreatment reaction groove (5) is by the top of pipe connection to neutralization reaction groove (10); Be provided with neutralization reaction jar (8) by pipe connection in the top of neutralization reaction groove (10); Neutralization reaction jar (8) is provided with reinforced valve (9) and fluid metering meter (7); Extraction line (15) is located at the bottom of neutralization reaction jar; Be provided with electric mixer (6) in the pretreatment reaction groove (5), be provided with electric mixer (11) in the neutralization reaction groove (10), extraction line (15) is provided with whizzer (13) and air-flow baker (12).Described extraction line (15) is provided with discharging valve (14), and the pipeline of pretreatment reaction groove (5) bottom is provided with down valve (16), and feed pipe (1) is provided with charging valve (17).Described reinforced valve (4), reinforced valve (9), discharging valve (14), lower valve (16), charging valve (17) are manually perhaps automatically controlled automatic.
The principle of work of the utility model: phosphoric acid by wet process in pipe-line transportation to pretreatment reaction groove, slowly adds lime carbonate or calcium phosphate suspension-s by the top pre-treatment jar of pretreatment reaction groove by metering after defluorinate purifies; Carry out pre-neutralization, control pH value between 3.5-4.0, control secondary calcium phosphate nucleus quantity avoids local supersaturation to take place; For follow-up crystallization provides condition, pre-neutralization liquid is transported in the neutralization reaction groove, by adding after milk of lime is neutralized to PH6.2-6.5 with flow container in the neutralizing well top; After settlement separate, behind centrifuge dewatering, air stream drying is the granulated meal calcium hydrophosphate; Pretreated solution is owing to contain a certain amount of nucleus; Neutralized product becomes possibility for the granular fodder calcium hydrophosphate, and the granulated meal calcium hydrophosphate is through settlement separate, and air stream drying is a product after the centrifuge dehydration.
Claims (4)
1. the device of a Wet-process Phosphoric Acid Production granulated meal calcium hydrophosphate; Include pretreatment reaction groove and neutralization reaction groove; It is characterized in that feed pipe (1) is connected with pretreatment reaction groove (5), the pretreatment reaction groove is provided with at least one pretreating agent jar (3) by pipe connection; The bottom of pretreatment reaction groove (5) is by the top of pipe connection to neutralization reaction groove (10); Be provided with neutralization reaction jar (8) by pipe connection in the top of neutralization reaction groove (10); Extraction line (15) is located at the bottom of neutralization reaction jar; Be provided with whisking appliance (6) in the pretreatment reaction groove (5), be provided with whisking appliance (11) in the neutralization reaction groove (10), extraction line (15) is provided with whizzer (13) and baker (12).
2. the device of a kind of Wet-process Phosphoric Acid Production granulated meal calcium hydrophosphate according to claim 1 is characterized in that described pretreating agent jar (3) is provided with reinforced valve (4) and fluid metering meter (2).
3. according to claim, the device of described a kind of Wet-process Phosphoric Acid Production granulated meal calcium hydrophosphate is characterized in that described neutralization reaction jar (8) is provided with reinforced valve (9) and fluid metering meter (7).
4. the device of a kind of Wet-process Phosphoric Acid Production granulated meal calcium hydrophosphate according to claim 1; It is characterized in that described extraction line (15) is provided with discharging valve (14); The pipeline of pretreatment reaction groove (5) bottom is provided with down valve (16), and feed pipe (1) is provided with charging valve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220251571 CN202594787U (en) | 2012-05-31 | 2012-05-31 | Device for producing granular feed-grade calcium hydrogen phosphate by utilizing wet-process phosphoric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220251571 CN202594787U (en) | 2012-05-31 | 2012-05-31 | Device for producing granular feed-grade calcium hydrogen phosphate by utilizing wet-process phosphoric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202594787U true CN202594787U (en) | 2012-12-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220251571 Expired - Fee Related CN202594787U (en) | 2012-05-31 | 2012-05-31 | Device for producing granular feed-grade calcium hydrogen phosphate by utilizing wet-process phosphoric acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202594787U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103416641A (en) * | 2013-08-07 | 2013-12-04 | 苏州闻达食品配料有限公司 | Automatic production device of compound phosphate |
| CN104555967A (en) * | 2014-12-24 | 2015-04-29 | 云南铜业胜威化工有限公司 | Method for producing large dicalcium phosphate crystals by utilizing seed crystals and returned material |
-
2012
- 2012-05-31 CN CN 201220251571 patent/CN202594787U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103416641A (en) * | 2013-08-07 | 2013-12-04 | 苏州闻达食品配料有限公司 | Automatic production device of compound phosphate |
| CN103416641B (en) * | 2013-08-07 | 2014-06-25 | 苏州闻达食品配料有限公司 | Automatic production device of compound phosphate |
| CN104555967A (en) * | 2014-12-24 | 2015-04-29 | 云南铜业胜威化工有限公司 | Method for producing large dicalcium phosphate crystals by utilizing seed crystals and returned material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20140531 |