CN210675560U

CN210675560U - Crystal and powder co-production device

Info

Publication number: CN210675560U
Application number: CN201921672759.9U
Authority: CN
Inventors: 罗家星; 龚小平; 毛宝兴; 江松涛; 汪秀秀; 王信魁
Original assignee: Zhejiang Huakang Pharmaceutical Co Ltd
Current assignee: Zhejiang Huakang Pharmaceutical Co Ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-06-05
Anticipated expiration: 2029-10-08

Abstract

The utility model relates to a coproduction device of crystal and powder, including buffer tank, cyclone, storage silo, screening machine, cloth cover dust remover, crystal packaging machine, powder packaging machine and powder packaging machine, the powdery material is kept in to the buffer tank, separates out through the powder material of cyclone in with powdery material, and the powder material gets into powder packaging machine after being collected by the cloth cover dust remover and packs the processing. The storage bin temporarily stores the large-particle-size materials separated by the cyclone separator, and the large-particle-size materials are sieved by the sieving machine to obtain crystal particles and powder particles, and the crystal particles and the powder particles enter the crystal packaging machine and the powder packaging machine respectively for packaging treatment. The utility model separates the powdery materials according to the particle size, and simultaneously produces crystal products, powder products and powder products, so that the collected powder excess materials are fully utilized, no redissolution treatment is needed, and the production cost is reduced; and moreover, the powder material does not need to be subjected to strong vibration screening, so that the breakage rate of the screen is reduced.

Description

Crystal and powder co-production device

Technical Field

The utility model discloses the technical field of likepowder material separation relates to a coproduction device of crystal and powder.

Background

The powder produced by friction, crushing and other reasons in the production process of sugar and sugar alcohol is collected by a dust remover and then is concentrated and redissolved for reprocessing, so that the collected powder excess always exists in the stock, which not only occupies a storage field, increases the production cost, but also occupies capital. On the other hand, because sugar or sugar alcohol with different fine particle sizes is needed in industrial production, the surplus materials of the powder are usually crushed again and sieved, and because the fine powder of the crushed materials accounts for a large proportion (more than 90% under 80 meshes), the used sieve adopts strong vibration, is large in abrasion to a sieve, is easy to damage, has a large risk of mixing foreign matters in the sieved products, is not beneficial to food safety control, and a proper sieve material or equipment is not found at present to improve the situation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a crystal and powder coproduction device, crushing the collected powder excess material through a conveying pipeline, separating the thick material and the thin material before sieving, and simultaneously obtaining a crystal product, a powder product and a powder product without excess material, thereby saving the production cost; moreover, the thicker materials do not need strong vibration when being sieved, the breakage rate of the screen is reduced, and the food safety risk is small.

The utility model is realized in such a way, the utility model provides a coproduction device of crystal and powder, including buffer tank, first rotary valve, cyclone, storage silo, screening machine, cloth cover dust remover, crystal packagine machine, powder packagine machine and the pipeline of connection, the buffer tank keeps in the powdery material, set up first pneumatic valve on the pipeline between buffer tank and the first rotary valve, the powdery material is through first pneumatic valve and the unloading of first rotary valve, first rotary valve is linked together with the pipeline of carrying the technology wind, carries the material to cyclone through the technology wind, cyclone's gas outlet is linked together through the air inlet of pipeline and cloth cover dust remover, sets up first manual valve on this pipeline, cyclone directly is linked together with the storage silo, the storage silo keeps in the material that cyclone separated, set up second pneumatic valve, second rotary valve and third pneumatic valve on the pipeline between storage silo and the screening machine respectively, the screening machine is equipped with the screen cloth of two-layer different mesh number the crystal material between the two-layer screen cloth of screening machine passes through the pipeline and packs in getting into crystal packaging machine, and the powder material under the second floor screen cloth net passes through the pipeline and packs in getting into powder packaging machine, the gas of cloth cover dust remover is discharged through inverter centrifuge, the cloth cover dust remover is linked together through pipeline and powder packaging machine, sets up the fourth pneumatic valve on this pipeline, the powder material that the cloth cover dust remover was collected packs in getting into powder packaging machine.

The utility model discloses the principle of realization is: during the process of conveying large-particle-size granular materials by wind, the particle shapes and sizes of the materials and the equipment pipelines are changed by friction to form small-particle-size powder particles, the powder particles are lighter and not easy to settle and are taken away with the wind, and the larger the wind quantity, the larger the particle size and the larger the quantity of the powder particles taken away. Therefore, the powdery materials can be separated according to the particle size, and crystal products, powder products and powder products are produced simultaneously, so that the collected powder excess materials are fully utilized.

Further, a pipeline is arranged on the pipeline between the second rotary valve and the third pneumatic valve and communicated with the other inlet of the first rotary valve, and a fifth pneumatic valve is arranged on the pipeline.

Furthermore, the large-particle-size materials on the first layer of screen of the screening machine are also communicated with the other inlet of the first rotary valve through a pipeline.

Furthermore, an exhaust channel is respectively arranged on the crystal packaging machine, the powder packaging machine and is communicated with an air inlet of the cloth cover dust remover, and a second manual valve is arranged on the exhaust channel.

Furthermore, the screening machine adopts a vibrating screen, and the mesh number of two layers of screens is respectively 30 meshes and 60 meshes.

Further, a food-grade film is arranged in the cloth cover dust remover.

Furthermore, a weighing device is arranged on the buffer tank and used for weighing the temporarily stored powder material.

Furthermore, a Roots blower, a surface cooler and a filter are sequentially arranged on a pipeline for conveying the process air.

Furthermore, a magnetic bar and a gold detector are respectively arranged on pipelines for feeding materials into the crystal packaging machine, the powder packaging machine and the powder packaging machine.

Compared with the prior art, the utility model discloses a coproduction device of crystal and powder at first separates out the powder material in with powdery material through cyclone, and the powder material gets into powder packaging machine after being collected by the cloth cover dust remover and packs and handle. And screening the crystal particles and the powder particles by the separated large-particle-size material through a screening machine, and respectively entering a crystal packaging machine and a powder packaging machine for packaging treatment. The utility model separates the powdery materials according to the particle size, separates the thicker materials as crystal products, uses the undersize materials as powder products, and uses the induced air collected by the cloth cover dust remover as powder products, and simultaneously produces crystal products, powder products and powder products, so that the collected powder excess materials are fully utilized, no re-dissolution treatment is needed, and the production cost is reduced; and the process of sieving thicker materials is also omitted, and the powder materials do not need to be subjected to strong vibration screening, so that the breakage rate of the screen is reduced, and the food safety risk is reduced. On the other hand, in the process of separating the powdery materials, the particle sizes of crystal products, powder products and powder products can be controlled by changing the circulation times of the materials in the system and the frequency of the induced draft fan, so that the products with the particle sizes meeting the requirements are obtained.

The utility model discloses a coproduction device of crystal and powder still has following characteristics:

1) the single-conveying crushing rate is 5-8%;

2) and simultaneously obtaining crystal products, powder products and powder products, controlling the yield according to the product supply requirement, improving the production efficiency, and controlling the powder products to 4-10% under 120 meshes. Compared with the directly crystallized and dried crystal product with the same specification, the obtained crystal product has a more round appearance, and the fluidity is improved by 15-40%;

3. the method has the advantages that the crushing is not carried out by a crusher, the investment of fixed assets is reduced, and the problem that a large amount of powdery materials are difficult to pass through a screen is avoided, so that the wear rate of the screen is reduced, and the risk that foreign matters are mixed into crystal products is also reduced.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the preferred embodiment of the co-production device for crystal and powder of the present invention includes a buffer tank 1, a first rotary valve 2, a cyclone separator 3, a storage bin 4, a sieving machine 5, a cloth cover dust remover 6, a crystal packaging machine 7, a powder packaging machine 8, a powder packaging machine 9, and a connecting pipeline. The flow of powder material and gas is shown by the arrows in the figure.

The buffer tank 1 temporarily stores powdery materials, which can be powder excess materials collected in the sugar alcohol processing process or other powdery materials needing to be separated. The buffer tank 1 is provided with a weighing device for weighing the temporarily stored powdery material.

A first pneumatic valve 10 is arranged on a pipeline between the buffer tank 1 and the first rotary valve 2, and the powdery material is discharged through the first pneumatic valve 10 and the first rotary valve 2. The first rotary valve 2 is communicated with a pipeline for conveying process air, and materials are conveyed to the cyclone separator 3 through the process air. The outlet of the first rotary valve 2 is communicated with the inlet of the cyclone separator 3 through a pipeline. The gas outlet of the cyclone separator 3 is communicated with the gas inlet of the cloth cover dust remover 6 through a pipeline, and a first manual valve 11 is arranged on the pipeline.

The cyclone separator 3 is directly connected to the storage silo 4. The storage bin 4 temporarily stores the large-particle-size materials separated by the cyclone separator. A second pneumatic valve 12, a second rotary valve 13 and a third pneumatic valve 14 are respectively arranged on the pipeline between the storage bin 4 and the sieving machine 5.

The cloth cover dust remover 6 is communicated with the powder packaging machine 9 through a pipeline, and a fourth pneumatic valve 15 is arranged on the pipeline. And the powder material collected by the cloth cover dust remover 6 enters a powder packaging machine 9 for packaging to obtain a powder product. A food-grade film is arranged in the cloth cover dust remover 6.

A line is further provided on the line between the second rotary valve 13 and the third air-operated valve 14 to communicate with the other inlet of the first rotary valve 2, and a fifth air-operated valve 16 is provided on the line. This pipeline constitutes the circulating line jointly with the pipeline between first rotary valve 2 and the cyclone 3, and powder material circulates in this circulating line before the screening constantly for powder material is in the process of carrying through wind, between material and material, change the powder granule that particle shape and size become little particle diameter because of the friction between material and the equipment pipeline, and the powder granule is lighter, is difficult to subside and is taken away along with the wind, and the amount of wind is big more the particle diameter of taking away more, the volume is more. Therefore, the powdery materials can be separated according to the particle size. The powder material with the smallest particle size is firstly sucked into the cloth cover dust remover 6 along with wind and separated out to obtain a powder product, and then the separated powder material is sieved by the sieving machine 5 to finally obtain a crystal product and a powder product.

The screening machine 5 is provided with two layers of screens with different meshes. The large-particle-size materials on the first layer of screen mesh of the screening machine 5 are also communicated with the other inlet of the first rotary valve 2 through a pipeline. And the crystal material between the two layers of screens of the sieving machine enters a crystal packaging machine 7 through a pipeline for packaging to obtain a crystal product. And the powder material under the second layer of sieve screen enters a powder packaging machine 8 through a pipeline for packaging to obtain a powder product. The screening machine 5 adopts a vibrating screen, and the mesh number of two layers of screens is respectively 30 meshes and 60 meshes.

And the crystal packaging machine 7, the powder packaging machine 8 and the powder packaging machine 9 are respectively provided with an exhaust channel communicated with the air inlet of the cloth cover dust remover 6, and the exhaust channel is provided with a second manual valve 17.

The gas of the cloth cover dust remover 6 is discharged through a frequency conversion centrifuge 18. The variable frequency centrifugal machine 18 is arranged to serve as an air inducing machine, and the air flow and the air speed in the ventilation pipeline are adjusted by changing the frequency of the variable frequency centrifugal machine 18, so that the particle size of powder entering the cloth cover dust remover 6 is adjusted, and the purpose of adjusting the particle size of crystal products, powder products and powder products simultaneously is achieved.

A roots blower, a surface cooler and a filter (not shown in the figure) are sequentially arranged on the pipeline for conveying the process air, and are used for providing clean process air with certain pressure and flow speed and proper temperature for the first rotary valve 2. The surface cooler adopts cold water with the temperature of 5-7 ℃ for heat exchange, the air temperature is less than 20 ℃, and the humidity is less than 40%.

The pipelines of the crystal packaging machine 7, the powder packaging machine 8 and the powder packaging machine 9 for the materials are respectively provided with a magnetic rod and a gold detection machine (not shown in the figure), wherein the magnetic rod is used for removing metal foreign matters in the materials passing through the pipelines, and the gold detection machine is used for detecting whether the materials passing through the pipelines contain the metal foreign matters or not, so that the obtained crystal products, powder products and powder products are ensured to contain no metal foreign matters.

The effectiveness of the device of the present invention is further illustrated by comparative experiments.

Comparative experiment 1

Adopt the utility model discloses a xylitol powder clout that crystal and powder's coproduction device collected for 10 ~ 30 meshes to the granularity separates, and the frequency that sets up frequency conversion centrifuge 18 is 80%, and the xylitol powdery material in buffer tank 1 is circulated in the circulating line and is carried out the screening separation of crystal and powder product after 3min again, obtains xylitol crystal product and xylitol powder product at last, carries out particle diameter and/or mobility detection as the experiment appearance to the xylitol crystal product that obtains and xylitol powder product again respectively.

And taking the crystal product with the same specification which is directly screened by a conventional mode without circular conveying as a crystal comparison sample, and detecting the particle size and the fluidity of the crystal comparison sample. The data from the experimental samples were compared to the data from the control samples to obtain the following graphs:

sample type	Is more than 30 meshes	30 to 80 mesh	80 to 100 mesh	< 100 mesh	Fluidity s/100g
						Crystal control sample	0	85.13％	5.32％	9.55％	5.38
Crystal experimental sample	0	83.25％	6.23％	10.52％	3.26

In addition, a powder product obtained by crushing and screening the xylitol crystal product in a conventional mode is selected as a powder comparison sample, and the particle size of the powder comparison sample is detected. The data from the experimental samples were compared to the data from the control samples to obtain the following graphs:

sample (I)	Is more than 60 meshes	60 to 80 mesh	80 to 100 mesh	100 to 120 mesh	< 120 mesh
						Powder reference sample	11.52％	20.9％	8.92％	11.26％	47.40％
Powder experimental sample	1.84％	18.26％	49.68％	24.68％	5.54％

Comparative experiment 2

Adopt the same mode with contrast experiment 1, adopt the utility model discloses a xylitol powder clout that crystal and powder's coproduction device collected for 10 ~ 30 meshes to the granularity separates, and the frequency that sets up frequency conversion centrifuge 18 is 80%, and the xylitol powdery material in buffer tank 1 is circulated in the circulating line and is carried out the screening separation of crystal and powder product again after 10min, obtains xylitol crystal product and xylitol powder product at last, and the rethread is respectively to carrying out particle diameter and mobility detection as the experiment appearance to the xylitol crystal product and the xylitol powder product that obtain.

The preparation of the crystalline control was identical to that of comparative experiment 1. The data from the experimental samples were compared to the data from the control samples to obtain the following graphs:

sample (I)	Is more than 30 meshes	30 to 80 mesh	80 to 100 mesh	< 100 mesh	Fluidity s/100g
						Crystal control sample	0	85.13％	5.32％	9.55％	5.38
Crystal experimental sample	0	79.57％	7.06％	13.37％	4.57

The powder control sample was prepared in the same manner as in comparative experiment 1. The data from the experimental samples were compared to the data from the control samples to obtain the following graphs:

sample (I)	Is more than 60 meshes	60 to 80 mesh	80 to 100 mesh	100 to 120 mesh	< 120 mesh
						Powder reference sample	11.52％	20.9％	8.92％	11.26％	47.40％
Powder experimental sample	0.13％	11.82％	50.07％	30.56％	7.42％

The utility model discloses a coproduction device of crystal and powder not only can be applicable to among the xylitol crystal, also can be applicable to among likepowder crystal products such as maltitol, sorbitol.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A co-production device of crystals and powder is characterized by comprising a buffer tank, a first rotary valve, a cyclone separator, a storage bin, a screening machine, a cloth cover dust remover, a crystal packaging machine, a powder packaging machine and a connecting pipeline, wherein the buffer tank temporarily stores powdery materials, a first pneumatic valve is arranged on the pipeline between the buffer tank and the first rotary valve, the powdery materials are discharged from the buffer tank through the first pneumatic valve and the first rotary valve, the first rotary valve is communicated with the pipeline for conveying process air, the powdery materials are conveyed to the cyclone separator through the process air, a gas outlet of the cyclone separator is communicated with an air inlet of the cloth cover dust remover through the pipeline, the first manual valve is arranged on the pipeline, the cyclone separator is directly communicated with the storage bin, and the storage bin temporarily stores the materials separated by the cyclone separator, set up second pneumatic valve, second rotary valve and third pneumatic valve on the pipeline between storage silo and the screening machine respectively, the screening machine is equipped with the screen cloth of two-layer different mesh number the crystal material between the two-layer screen cloth of screening machine passes through the pipeline and packs in getting into crystal packaging machine, and the powder material under the second floor screen cloth net passes through the pipeline and packs in getting into powder packaging machine, the gas of cloth cover dust remover is discharged through inverter centrifuge, the cloth cover dust remover is linked together through pipeline and powder packaging machine, sets up the fourth pneumatic valve on this pipeline, the powder material that the cloth cover dust remover was collected packs in getting into powder packaging machine.

2. A co-production device of crystal and powder as claimed in claim 1, wherein a pipeline is further provided between the second rotary valve and the third pneumatic valve to communicate with the other inlet of the first rotary valve, and a fifth pneumatic valve is provided on the pipeline.

3. The apparatus for co-producing crystal and powder according to claim 2, wherein the large-particle-size material on the first layer of the screen classifier is also communicated with the other inlet of the first rotary valve through a pipeline.

4. A co-production apparatus of crystal and powder as set forth in claim 1, wherein an exhaust passage is provided on each of said crystal packaging machine, powder packaging machine and powder packaging machine to communicate with an air inlet of said cloth cover dust collector, and a second manual valve is provided on said exhaust passage.

5. The apparatus for co-producing crystal and powder according to claim 1, wherein the sieving machine is a vibrating sieve, and the mesh number of the two layers of the sieving machine is 30 meshes and 60 meshes respectively.

6. A co-production crystal and powder apparatus as claimed in claim 1, wherein a food grade coating film is provided in the cloth cover dust remover.

7. A co-production apparatus for crystals and powder as claimed in claim 1, wherein a weighing device is provided on the buffer tank for weighing the temporarily stored powdery material.

8. A co-production apparatus for crystal and powder as claimed in claim 1, wherein a Roots blower, a surface cooler and a filter are provided in this order on the pipeline for conveying the process air.

9. A co-production apparatus of crystal and powder as claimed in claim 1, wherein a magnetic bar and a gold detector are provided on the pipes for the material to enter the crystal packaging machine, the powder packaging machine and the powder packaging machine, respectively.