CN113398841A - Method and system for spraying and granulating multiple batches of colored mixed liquid into fluidized bed - Google Patents
Method and system for spraying and granulating multiple batches of colored mixed liquid into fluidized bed Download PDFInfo
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- CN113398841A CN113398841A CN202110675042.5A CN202110675042A CN113398841A CN 113398841 A CN113398841 A CN 113398841A CN 202110675042 A CN202110675042 A CN 202110675042A CN 113398841 A CN113398841 A CN 113398841A
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- 239000007788 liquid Substances 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005507 spraying Methods 0.000 title claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 89
- 238000007599 discharging Methods 0.000 claims abstract description 34
- 238000005469 granulation Methods 0.000 claims abstract description 28
- 230000003179 granulation Effects 0.000 claims abstract description 28
- 238000002360 preparation method Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 7
- 239000011259 mixed solution Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000000047 product Substances 0.000 description 20
- 239000000203 mixture Substances 0.000 description 14
- 239000008187 granular material Substances 0.000 description 12
- 239000002994 raw material Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 238000004806 packaging method and process Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000013067 intermediate product Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005304 joining Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229940095686 granule product Drugs 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/16—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by suspending the powder material in a gas, e.g. in fluidised beds or as a falling curtain
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Abstract
A method and a system for spraying and granulating a multi-batch colored mixed liquid into a fluidized bed comprise the following steps: and the step A of conveying a plurality of batches of colored mixed preparation liquid into the mixing tank for mixing by using a feeding pipeline connected with an inlet of the mixing tank, and the step B of conveying the mixed liquid obtained by mixing into a fluidized bed for spraying granulation and drying by using a discharging pipeline connected with an outlet of the mixing tank. The invention solves the problems of color difference and content deviation of the granular product, improves the market competitiveness of the product, and has high granulation efficiency and low cost.
Description
Technical Field
The invention relates to a method and a system for spraying and granulating a plurality of batches of colored mixed prepared liquid into a fluidized bed, belonging to the field of drying and granulating of mixed liquid.
Background
The spray granulation of the mixed solution on a fluidized bed is an important means for obtaining a granular product. The mixed solution is obtained by mixing liquid raw materials and a raw material carrier.
When a plurality of batches of liquid raw materials exist in a plant area, the traditional process is that a single batch of liquid raw materials and a raw material carrier are mixed and then are conveyed to a fluidized bed for spraying, granulating and drying through a pipeline, and intermediate product particles obtained after drying are mixed into finished products in a plurality of batches, so that the process is characterized in that: because of the influence of unavoidable factors such as the addition error of the carrier in the mixing operation, actually, the mixed solution obtained by mixing each batch has the problem that the addition proportion of the raw material carrier is not completely consistent under the condition of meeting the requirement of the proportioning range, so that the color difference exists between batches of intermediate product particles after guniting granulation, and the content proportion of each raw material in the intermediate product particles is deviated from the target content proportion, therefore, a means of mixing multiple batches of intermediate particles according to the target content proportion is required to obtain a finished product with the color difference and the raw material content proportion meeting the requirements. The granulation method has the disadvantages of poor color difference control effect of finished products, easy occurrence of flower materials, poor product market competitiveness, addition of product line operation procedures after slurry spraying granulation, at least comprising the procedures of moving intermediate product particles from a fluidized bed, transporting the moved particles to a mixing table, mixing materials and the like, and consideration of various obstacles and difficulties in the transportation process, thus being very inconvenient and complicated in procedures, high in manufacturing cost and low in efficiency.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a method and a system for spraying and granulating a plurality of batches of colored mixed liquid into a fluidized bed, which solve the problems of color difference and content deviation of granular products, improve the market competitiveness of the products, and have high granulation efficiency and low cost.
A method for granulating a plurality of batches of colored mixed compound liquid in a fluidized bed comprises the following steps:
a step A of conveying a plurality of batches of colored mixed liquor to the mixing tank for mixing by using a feed pipe connected with an inlet of the mixing tank, and,
and B, conveying the mixed liquid obtained by mixing to a fluidized bed by using a discharge pipeline connected with an outlet of the mixing tank for spraying granulation and drying.
The method comprises the steps of uniformly mixing all batches of colored mixed solution, conveying the uniformly mixed solution to a fluidized bed for spraying granulation, wherein the obtained granules have consistent colors, the content of each substance in the granules is within a target content deviation range, the granules can be directly used as finished products to enter an automatic packaging line for packaging, the problems of chromatic aberration and content deviation of the granular products are solved, the market competitiveness of the products is improved, automatic conveying and mixing of the colored mixed solution are realized through a feeding pipeline and a discharging pipeline which are connected with a mixing tank, and the method is simple and convenient, high in granulation efficiency and low in cost.
Preferably, the input flow of the inlet conduit is equal to the output flow of the outlet conduit. Like this, can prevent that the blending tank from empting jar and material overflow, realize production in succession.
Preferably, the number of batches of the colored mixed solution is not less than 3.
A multi-batch colored mixed liquid preparation inflow fluidized bed granulation system comprises a mixing tank connected with a plurality of feeding pipelines used for conveying colored mixed liquid preparation and a fluidized bed connected with the mixing tank through a discharging pipeline, wherein the feeding pipelines are communicated with the inlet of the mixing tank, and the discharging pipelines are communicated with the outlet of the mixing tank.
This system, it mixes liquid homogeneous mixing to the coloured mixture of all batches of numbers earlier, carry the mixed liquid of misce bene to the fluidized bed in carry out the whitewashing granulation, the granule colour that obtains is unanimous, and the content of each material in the granule is within the target content deviation scope, the granule can directly get into automatic packaging line packing as the finished product, solve the problem that granule product colour difference and content deviate, the market competitiveness of product has been promoted, and, through the charge-in pipeline that is connected with the blending tank, the automatic transport of coloured mixture joining in marriage liquid, mix, and is simple and convenient, granulation efficiency is high, and is with low costs.
Preferably, the system further comprises a controller, a variable-frequency delivery pump and a flow sensor, wherein the variable-frequency delivery pump and the flow sensor are arranged on each of the feeding pipeline and the discharging pipeline, the input end of the controller is electrically connected with the flow sensor, and the output end of the controller is electrically connected with the variable-frequency delivery pump;
the flow sensor is used for detecting the feeding flow and the discharging flow of the mixing tank and sending flow signals to the controller, and the controller controls the variable-frequency delivery pump according to the received flow signals so that the feeding flow and the discharging flow of the mixing tank are equal. Like this, can prevent that the blending tank from empting jar and material overflow, realize production in succession.
Preferably, the system further comprises a level sensor disposed in the mixing tank and electrically connected to the controller. The liquid level sensor can monitor the liquid level condition of the mixing tank in real time and feed a liquid level signal back to the controller.
Preferably, the system further comprises an alarm device electrically connected to the controller; and the controller judges whether the liquid level reaches a specified limit value according to the liquid level signal and controls the alarm device to act when the liquid level reaches the specified limit value. When the variable frequency delivery pump breaks down and leads to uncontrolled, the overflow phenomenon appears easily in the blending tank to cause the production accident, set up alarm device, when the liquid level reached the threshold value of regulation, alarm device action can in time remind the workman, reduces the emergence of production accident.
Preferably, a plurality of said feed conduits define at least one junction region in their respective flow paths. Therefore, all batches of colored mixed preparation liquid are premixed before entering the mixing tank, so that the mixing time of the mixing tank can be reduced, and the granulation efficiency is improved.
Preferably, the inner pipe wall of the feed pipe is provided with a plurality of stirring ribs distributed along the pipe path. Can accelerate the mixing of the mixed liquid after premixing, further reduce the mixing time of the mixing tank, promote granulation efficiency.
In conclusion, the invention has the following beneficial effects:
1: the problems of color difference and content deviation of the granular product are solved, the market competitiveness of the product is improved, the granulation efficiency is high, and the cost is low;
2: the feeding flow and the discharging flow of the mixing tank are balanced, so that the empty mixing tank and the overflow of materials can be prevented, and the continuous production is realized;
3: the alarm device acts when the liquid level in the mixing tank reaches a specified limit value, so that workers can be reminded in time, and production accidents are reduced;
4: the plurality of feeding pipelines form at least one intersection area on the respective flow path, so that all batches of colored mixed liquid are premixed before entering the mixing tank, the mixing time of the mixing tank can be reduced, and the granulation efficiency is improved.
Drawings
FIG. 1 is a flow diagram of a granulation process;
FIG. 2 is a diagram of a pelletizing system.
Detailed Description
The invention will be further explained by means of specific embodiments with reference to the drawings.
Example 1: as shown in figure 1, a method for granulating a fluidized bed by using a plurality of batches of colored mixed compound liquid comprises the following steps:
step A: conveying a plurality of batches of colored mixed preparation liquid into a mixing tank by using a feeding pipeline connected with an inlet of the mixing tank for mixing, wherein the number of batches of the colored mixed preparation liquid is not less than 3, the colored mixed preparation liquid is a mixed liquid which is obtained by mixing a liquid raw material and a raw material carrier and meets the requirement of a proportioning range, and the mixing tank has the functions of stirring and mixing and is a common device on the market and is not specifically described herein;
and B: and conveying the mixed liquid obtained by mixing to a fluidized bed by using a discharge pipeline connected with an outlet of the mixing tank for spraying granulation and drying.
The method comprises the steps of uniformly mixing all batches of colored mixed solution, conveying the uniformly mixed solution to a fluidized bed for spraying granulation, wherein the obtained granules have consistent colors, the content of each substance in the granules is within a target content deviation range, the granules can be directly used as finished products to enter an automatic packaging line for packaging, the problems of chromatic aberration and content deviation of the granular products are solved, the market competitiveness of the products is improved, automatic conveying and mixing of the colored mixed solution are realized through a feeding pipeline and a discharging pipeline which are connected with a mixing tank, and the method is simple and convenient, high in granulation efficiency and low in cost.
Preferably, the input flow of the feeding pipeline is equal to the output flow of the discharging pipeline, so that the volume of the mixed liquid in the mixing tank is always constant, the empty tank and the overflow of the materials in the mixing tank are prevented, and the continuous production is realized; the control of input flow and output flow can be controlled by a variable-frequency conveying pump arranged on a feeding pipeline and a discharging pipeline, for this purpose, a variable-frequency conveying pump and a flow sensor are arranged on each of the feeding pipeline and the discharging pipeline, the flow sensor is electrically connected with the input end of an external controller, the variable-frequency conveying pump is electrically connected with the output end of the external controller, the flow sensor is used for detecting the feeding flow and the discharging flow of a mixing tank and sending flow signals to the controller, wherein, the flow signals comprise feeding flow signals and discharging flow signals, the controller judges the size between the feeding flow and the discharging flow after receiving the feeding flow signals and the discharging flow signals and controls the variable-frequency conveying pump according to the judgment result, when the feeding flow is larger than the discharging flow, the controller controls the variable-frequency conveying pump on the feeding pipeline to reduce the rotating speed, or the variable frequency delivery pump on the control ejection of compact pipeline makes its increase rotational speed, and when feed flow was less than ejection of compact flow, the variable frequency delivery pump on the controller control feed pipeline made its increase rotational speed, perhaps controls the variable frequency delivery pump on the ejection of compact pipeline and makes its reduction of rotation speed, through this kind of control mode for the feed flow and the ejection of compact flow of blending tank equal.
Example 2: a multi-batch colored mixed liquid preparation inflow fluidized bed granulation system comprises a mixing tank connected with a plurality of feeding pipelines used for conveying colored mixed liquid preparation and a fluidized bed connected with the mixing tank through a discharging pipeline, wherein the mixing tank is used for stirring and mixing, the fluidized bed is used for spraying and granulating, the feeding pipeline is communicated with an inlet of the mixing tank, and the discharging pipeline is communicated with an outlet of the mixing tank. This system, it mixes liquid homogeneous mixing to the coloured mixture of all batches of numbers earlier, carry the mixed liquid of misce bene to the fluidized bed in carry out the whitewashing granulation, the granule colour that obtains is unanimous, and the content of each material also is within target content deviation scope in the granule, the granule can directly get into automatic packaging line packing as the finished product, solve the problem that granule product colour difference and content deviate, the market competitiveness of product has been promoted, and, through the charge-in pipeline that is connected with the blending tank, the automatic transport of coloured mixture joining in marriage liquid, mix, and is simple and convenient, granulation efficiency is high, and is with low costs.
The system also comprises a controller, a variable-frequency delivery pump and a flow sensor, wherein the controller can be a PLC (programmable logic controller), the variable-frequency delivery pump and the flow sensor are arranged on each of the feeding pipeline and the discharging pipeline, the input end of the controller is electrically connected with the flow sensor, and the output end of the controller is electrically connected with the variable-frequency delivery pump; in the system, a flow sensor is used for detecting the feeding flow and the discharging flow of a mixing tank and sending flow signals to a controller, wherein the flow signals comprise feeding flow signals and discharging flow signals, the controller judges the size between the feeding flow and the discharging flow after receiving the feeding flow signals and the discharging flow signals and controls a variable-frequency conveying pump according to a judgment result, when the feeding flow is greater than the discharging flow, the controller controls the variable-frequency conveying pump on a feeding pipeline to reduce the rotating speed of the variable-frequency conveying pump, or controls the variable-frequency conveying pump on a discharging pipeline to increase the rotating speed of the variable-frequency conveying pump, when the feeding flow is less than the discharging flow, the controller controls the variable-frequency conveying pump on the feeding pipeline to increase the rotating speed of the variable-frequency conveying pump, or controls the variable-frequency conveying pump on the discharging pipeline to reduce the rotating speed of the variable-frequency conveying pump, and the feeding flow and the discharging flow of the mixing tank are equal by the control mode, thereby make blending tank feed liquor balanced with going out the liquid, prevent that the blending tank from empting jar and material overflow, realize production in succession.
Example 3: different from the embodiment 2, the system further comprises a liquid level sensor which is arranged in the mixing tank and electrically connected with the controller, wherein the liquid level sensor can monitor the liquid level condition of the mixing tank in real time and feed back a liquid level signal to the controller. The system further includes an alarm device electrically connected to the controller; and the controller judges whether the liquid level reaches a specified limit value according to the liquid level signal and controls the alarm device to act when the liquid level reaches the specified limit value. When the variable frequency delivery pump breaks down and leads to uncontrolled, the overflow phenomenon appears easily in the blending tank to cause the production accident, set up alarm device, when the liquid level reached the threshold value of regulation, alarm device action can in time remind the workman, reduces the emergence of production accident.
A plurality of feed tube forms at least one runner intersection district, and the runner intersection district connects and communicates a plurality of feed tube, and like this, the liquid is joined in the mixture among a plurality of feed tube takes place to converge in the runner intersection district, joins and makes the liquid mixture of joining in the mixture among each feed tube mix together, that is to say, coloured mixture in each feed tube joins in marriage the liquid and has carried out premixing earlier before getting into the blending tank, has reduced the mix time of blending tank, has promoted granulation efficiency, and, be provided with a plurality of stirring muscle along pipeline route distribution on the inner pipe wall of feed tube, the stirring muscle is the rib structure, can accelerate the mixture to the mixed liquid after premixing, has further reduced the mix time of blending tank, has further promoted granulation efficiency.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.
Claims (9)
1. A method for granulating a plurality of batches of colored mixed compound liquid in a fluidized bed is characterized by comprising the following steps:
a step A of conveying a plurality of batches of colored mixed liquor to the mixing tank for mixing by using a feed pipe connected with an inlet of the mixing tank, and,
and B, conveying the mixed liquid obtained by mixing to a fluidized bed by using a discharge pipeline connected with an outlet of the mixing tank for spraying granulation and drying.
2. A method for granulating in a fluidised bed a plurality of batches of a coloured mixed liquor as claimed in claim 1, characterised in that the input flow to the inlet duct is equal to the output flow from the outlet duct.
3. A method for granulating a fluidized bed with plural batches of a colored mixed solution as claimed in claim 1, wherein the number of the batches of the colored mixed solution is not less than 3.
4. The multi-batch colored mixed liquid preparation inflow fluidized bed granulation system is characterized by comprising a mixing tank connected with a plurality of feeding pipelines for conveying colored mixed liquid preparation and a fluidized bed connected with the mixing tank through a discharging pipeline, wherein the feeding pipelines are communicated with the inlet of the mixing tank, and the discharging pipelines are communicated with the outlet of the mixing tank.
5. The system of claim 4, further comprising a controller, a variable frequency pump, and a flow sensor, wherein the variable frequency pump and the flow sensor are disposed on each of the feeding pipe and the discharging pipe, an input of the controller is electrically connected to the flow sensor, and an output of the controller is electrically connected to the variable frequency pump;
the flow sensor is used for detecting the feeding flow and the discharging flow of the mixing tank and sending flow signals to the controller, and the controller controls the variable-frequency delivery pump according to the received flow signals so that the feeding flow and the discharging flow of the mixing tank are equal.
6. The system of claim 5, further comprising a level sensor disposed in the mixing tank and electrically connected to the controller.
7. The system of claim 6, further comprising an alarm device electrically connected to the controller; and the controller judges whether the liquid level reaches a specified limit value according to the liquid level signal and controls the alarm device to act when the liquid level reaches the specified limit value.
8. The system of claim 4, wherein a plurality of the feed conduits form at least one flow path intersection.
9. The system of claim 8, wherein the feed conduit has an inner wall with a plurality of stirring ribs along the path of the feed conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110675042.5A CN113398841A (en) | 2021-06-18 | 2021-06-18 | Method and system for spraying and granulating multiple batches of colored mixed liquid into fluidized bed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110675042.5A CN113398841A (en) | 2021-06-18 | 2021-06-18 | Method and system for spraying and granulating multiple batches of colored mixed liquid into fluidized bed |
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| CN113398841A true CN113398841A (en) | 2021-09-17 |
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| CN202110675042.5A Pending CN113398841A (en) | 2021-06-18 | 2021-06-18 | Method and system for spraying and granulating multiple batches of colored mixed liquid into fluidized bed |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109832536A (en) * | 2018-09-28 | 2019-06-04 | 北京姿美堂生物技术有限公司 | A kind of taste collagen solid beverage and preparation method thereof |
| CN112892393A (en) * | 2021-03-18 | 2021-06-04 | 上海兆维科技发展有限公司 | Online liquid preparation system |
-
2021
- 2021-06-18 CN CN202110675042.5A patent/CN113398841A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109832536A (en) * | 2018-09-28 | 2019-06-04 | 北京姿美堂生物技术有限公司 | A kind of taste collagen solid beverage and preparation method thereof |
| CN112892393A (en) * | 2021-03-18 | 2021-06-04 | 上海兆维科技发展有限公司 | Online liquid preparation system |
Non-Patent Citations (1)
| Title |
|---|
| （加）凯普斯（CAPES，C.E.）著: "《造粒技术》", 29 February 1992, 北京：化学工业出版社 * |
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Application publication date: 20210917 |
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