CN211190000U - Vacuum powder suction device - Google Patents
Vacuum powder suction device Download PDFInfo
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- CN211190000U CN211190000U CN201920905386.9U CN201920905386U CN211190000U CN 211190000 U CN211190000 U CN 211190000U CN 201920905386 U CN201920905386 U CN 201920905386U CN 211190000 U CN211190000 U CN 211190000U
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Abstract
The utility model discloses a powder device is inhaled in vacuum, include: the vacuum tank is provided with a liquid inlet pipe and a powder feed inlet, the vacuum tank is provided with a vacuumizing pipeline, the vacuumizing pipeline is provided with a vacuum pump, the powder feed inlet is provided with a feeding control valve, the feeding control valve is connected with a powder conveying pipe, the vacuum pump is a variable-frequency vacuum pump, the top of the vacuum tank is provided with a pressure sensor, the top of the vacuum tank is also provided with a vacuum adjusting pipeline, the vacuum adjusting pipeline is provided with an adjusting control valve, the input end of the vacuum adjusting pipeline is provided with a steam-water separation mechanism, and air enters the vacuum adjusting pipeline through the steam-water separation mechanism. The utility model has the advantages that: vacuum in the vacuum tank is stable, and powder feeding amount can be controlled accurately to improve the precision of solution concentration greatly, and then can effectively improve product quality.
Description
Technical Field
The utility model relates to a vacuum degassing equipment technical field, concretely relates to powder device is inhaled in vacuum.
Background
In the production of beverage, chemical industry, medicine and other industries, the materials are required to be prepared by a vacuum powder suction device. Traditional vacuum powder suction device, its structure includes: the vacuum tank is provided with feed liquor pipe and powder feed inlet on, is provided with the powder inlet pipe on the powder feed inlet, and the top of vacuum tank is provided with the evacuation pipeline, is provided with the vacuum pump on the evacuation pipeline, and the vacuum pump is to evacuation in the vacuum tank to make the powder constantly enter into to the vacuum tank through the powder feed inlet from the powder inlet pipe.
The vacuum powder suction device has the defects that the stability of the vacuum degree is poor, but the stability of the vacuum degree has great influence on the preparation precision of the solution, and the preparation precision of the solution can directly influence the production process or products. Therefore, it is very necessary to improve the stability of the degree of vacuum in the vacuum vessel.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve is: the vacuum powder suction device is good in vacuum degree stability, so that the powder feeding amount can be accurately controlled.
In order to solve the above problem, the utility model adopts the following technical scheme: vacuum powder suction device includes: the vacuum tank is provided with a liquid inlet pipe and a powder feed inlet, the vacuum tank is provided with a vacuumizing pipeline, the vacuumizing pipeline is provided with a vacuum pump, the powder feed inlet is provided with a feeding control valve, the feeding control valve is connected with a powder conveying pipe, the vacuum pump is a variable-frequency vacuum pump, the top of the vacuum tank is provided with a pressure sensor, the top of the vacuum tank is also provided with a vacuum adjusting pipeline, the vacuum adjusting pipeline is provided with an adjusting control valve, the input end of the vacuum adjusting pipeline is provided with a steam-water separation mechanism, and air enters the vacuum adjusting pipeline through the steam-water separation mechanism.
Further, aforementioned powder device is inhaled in vacuum, wherein, the vertical downward setting of input of vacuum regulation pipeline, steam-water separation mechanism's structure include: go up takeover and lower takeover, the upper end of going up the takeover is fixed with the input of vacuum regulation pipeline and is communicated, it is provided with the round apron to go up the takeover, the bottom of apron is provided with outer retaining ring and interior retaining ring from inside to outside interval, the lower takeover is including casing section body and drainage section body from top to bottom, the internal diameter of casing section body is greater than the internal diameter of drainage section body, casing section body suit is outside the last takeover of apron below, the upper end position of casing section body is located between outer retaining ring and the interior retaining ring, the upper end and the outer retaining ring of casing section body, all leave the space between the bottom of interior retaining ring and apron, a plurality of air inlet ducts or inlet port have been seted up on the body of going up the takeover that is located the casing section body, a plurality of takeover through.
Furthermore, in the vacuum powder suction device, a water inlet end of the variable frequency vacuum pump is connected with a cooling water inlet pipe, the cooling water inlet pipe is provided with a manual ball valve and a pneumatic angle seat valve, and a water outlet end of the variable frequency vacuum pump is provided with a cooling water discharge pipe.
Furthermore, in the vacuum powder suction device, a water receiving pipe is arranged below the pipe body of the drainage section, the top of the water receiving pipe is open, the bottom of the pipe body of the drainage section extends into the water receiving pipe, and the water receiving pipe is communicated with the cooling water drainage pipe.
Furthermore, in the vacuum powder suction device, a one-way valve is arranged on a vacuum pumping pipeline between the variable-frequency vacuum pump and the vacuum tank.
Furthermore, in the vacuum powder suction device, the adjusting control valve on the vacuum adjusting pipeline adopts a pneumatic adjusting angle seat valve.
The utility model has the advantages that: the structure is simple and practical, and the effect is obvious. Secondly, the vacuum pumping speed of the variable-frequency vacuum pump is adjusted, and the opening of the adjusting control valve on the vacuum adjusting pipeline is adjusted, so that the vacuum pump is enabled to be capable of adjusting the opening of the adjusting control valveThe vacuum degree in the vacuum tank is stabilized at the working pressure of P0Powder feeding volume just can be by accurate control like this to improve the precision of solution concentration greatly, and then improve product quality.
Drawings
Fig. 1 is a schematic structural view of the vacuum powder suction device of the present invention.
Fig. 2 is a schematic structural view of the steam-water separation mechanism in fig. 1.
Detailed Description
The invention will be described in further detail with reference to the drawings and preferred embodiments.
As shown in fig. 1, the vacuum powder suction device includes: vacuum tank 1 is provided with feed liquor pipe 11 and powder feed inlet 12 on the vacuum tank 1, is provided with evacuation pipeline 2 on the vacuum tank 1, is provided with the vacuum pump on the evacuation pipeline 2, the vacuum pump be frequency conversion vacuum pump 4. A one-way valve 21 is arranged on the vacuum pumping pipeline 2 between the variable-frequency vacuum pump 4 and the vacuum tank 1. In order to enable the variable frequency vacuum pump 4 to keep a high-efficiency working state, the water inlet end of the variable frequency vacuum pump 4 is connected with a cooling water inlet pipe 41, a manual ball valve 411 and a pneumatic angle seat valve 412 are arranged on the cooling water inlet pipe 41, and the water outlet end of the variable frequency vacuum pump 4 is provided with a cooling water discharge pipe 42. The cooling water enters the variable frequency vacuum pump 4 through the cooling water inlet pipe 41, so that the variable frequency vacuum pump 4 is cooled, and the variable frequency vacuum pump 4 can work efficiently. The water in the variable frequency vacuum pump 4 is discharged from the cooling water discharge pipe 42. The flow rate of the cooling water can be adjusted by adjusting the opening of the manual ball valve 411.
The powder feeding port 12 is provided with a feeding control valve 121, and the feeding control valve 121 is connected with the powder conveying pipe 3. The top of vacuum tank 1 is provided with pressure sensor 101, and the top of vacuum tank 1 still is provided with vacuum regulation pipeline 5, is provided with regulation control valve 51 on the vacuum regulation pipeline 5, and in this embodiment, regulation control valve 51 adopts the pneumatic regulation angle seat valve. The input end 52 of the vacuum regulating pipeline 5 is provided with a steam-water separation mechanism, and air enters the vacuum regulating pipeline 5 through the steam-water separation mechanism 6.
In this embodiment, the input end 52 of the vacuum adjusting pipe 5 is disposed vertically downward. Specifically, the structure of the steam-water separation mechanism 6 shown in fig. 2 includes: the upper end of the upper connecting pipe 61 is fixedly communicated with the input end 52 of the vacuum regulating pipeline 5, a circle of cover plate 611 is arranged outside the upper connecting pipe 61, and an outer retaining ring 612 and an inner retaining ring 613 are arranged at the bottom of the cover plate 611 from outside to inside at intervals. The lower connection pipe 62 comprises a casing section pipe 621 and a drainage section pipe 622 from top to bottom, and the inner diameter of the casing section pipe 621 is larger than that of the drainage section pipe 622. The sleeve section pipe 621 is sleeved outside the upper connecting pipe 61 below the cover plate 611, the upper end portion of the sleeve section pipe 621 is located between the outer retaining ring 612 and the inner retaining ring 613, gaps are reserved between the upper end portion of the sleeve section pipe 621 and the bottoms of the outer retaining ring 612, the inner retaining ring 613 and the cover plate 611, a plurality of air inlet grooves or air inlet holes 610 are formed in the pipe body of the upper connecting pipe 61 located in the sleeve section pipe 621, and the description is given by taking the arrangement of the air inlet holes 610 as an example in this embodiment. The bottom of the upper connecting pipe 61 in the casing segment 621 is provided with a plurality of connecting pipe through holes 614. A water receiving pipe 7 is arranged below the drainage section pipe body 622, the top of the water receiving pipe 7 is open, the bottom of the drainage section pipe body 622 extends into the water receiving pipe 7, and the water receiving pipe 7 is communicated with the cooling water drainage pipe 42. As shown in fig. 1, in order to receive the drain section pipe 622, the diameter of the upper end of the water receiving pipe 7 is large.
When the regulating control valve 51 is opened, air enters a gap between the sleeve segment pipe 621 and the upper connecting pipe 61 through a gap between the outer retaining ring 612 and the upper end of the sleeve segment pipe 621, a gap between the sleeve segment pipe 621 and the cover plate 611, and a gap between the sleeve segment pipe 621 and the inner retaining ring 613 in sequence, and then enters the upper connecting pipe 61 through the air inlet hole 610 on the upper connecting pipe 61. During the circuitous movement of the air, the moisture and particulate impurities in the air are separated out under the action of gravity. The dry and clean air from which the moisture and the particle impurities are removed enters the vacuum tank 1 through the upper connection pipe 61 and the vacuum adjusting pipeline 5. The water and particle impurities enter the drainage section pipe body 622 through the bottom of the sleeve section pipe body 621 and the connecting pipe through hole 614 at the bottom of the upper connecting pipe 61, and the water in the drainage section pipe body 622 is collected into the cooling water drainage pipe 42 through the water receiving pipe 7 and then discharged outwards.
The working principle is as followsThe following: assuming that the working pressure in the vacuum tank 1 needs to be maintained at P0. Before powder is sucked, the variable-frequency vacuum pump 4 vacuumizes the vacuum tank 1, and the solvent enters the vacuum tank 1 from the liquid inlet pipe 11 to a set liquid level and then stops feeding the liquid. The pressure sensor 101 detects the pressure in the vacuum tank 1, and when the detected pressure in the vacuum tank 1 is stabilized at P0At the same time, the feeding control valve 121 is opened, and the powder in the powder conveying pipe 3 continuously enters the vacuum tank 1 under the action of negative pressure and is dissolved in the solvent.
When the pressure sensor 101 detects that the pressure in the vacuum tank 1 is less than P0The variable-frequency vacuum pump 4 reduces the vacuum-pumping rate and simultaneously reduces the opening degree of the regulating control valve 51, so that the pressure in the vacuum tank 1 is stabilized at P0. When the pressure sensor 101 detects that the pressure in the vacuum tank 1 is greater than P0The variable-frequency vacuum pump 4 increases the vacuum-pumping rate and at the same time increases the opening of the regulating control valve 51, so that the pressure in the vacuum tank 1 is stabilized at P0. The above adjusting mode ensures that the negative pressure in the vacuum tank 1 is stabilized at the working pressure P in the powder absorbing process0Therefore, the powder can be stably fed, the powder feeding amount can be accurately controlled, and meanwhile, the powder feeding efficiency and the dissolving efficiency of the powder in the solvent are effectively improved.
The utility model has the advantages that: the structure is simple and practical, and the effect is obvious. Secondly, the vacuum degree in the vacuum tank 1 is stabilized at the working pressure P by adjusting the vacuum pumping speed of the variable-frequency vacuum pump 4 and adjusting the opening degree of the adjusting control valve 51 on the vacuum adjusting pipeline 50Powder feeding volume just can be by accurate control like this to improve the precision of solution concentration greatly, and then improve product quality.
Claims (6)
1. Vacuum powder suction device includes: the vacuum tank is provided with feed liquor pipe and powder feed inlet on, is provided with the evacuation pipeline on the vacuum tank, is provided with vacuum pump, its characterized in that on the evacuation pipeline: the powder feeding port is provided with a feeding control valve, the feeding control valve is connected with the powder conveying pipe, the vacuum pump is a variable frequency vacuum pump, the top of the vacuum tank is provided with a pressure sensor, the top of the vacuum tank is also provided with a vacuum adjusting pipeline, the vacuum adjusting pipeline is provided with an adjusting control valve, the input end of the vacuum adjusting pipeline is provided with a steam-water separating mechanism, and air enters the vacuum adjusting pipeline through the steam-water separating mechanism.
2. The vacuum powder suction device according to claim 1, wherein: the vertical downward setting of input of vacuum regulation pipeline, steam-water separating mechanism's structure include: go up takeover and lower takeover, the upper end of going up the takeover is fixed with the input of vacuum regulation pipeline and is communicated, it is provided with the round apron to go up the takeover, the bottom of apron is provided with outer retaining ring and interior retaining ring from inside to outside interval, the lower takeover is including casing section body and drainage section body from top to bottom, the internal diameter of casing section body is greater than the internal diameter of drainage section body, casing section body suit is outside the last takeover of apron below, the upper end position of casing section body is located between outer retaining ring and the interior retaining ring, the upper end and the outer retaining ring of casing section body, all leave the space between the bottom of interior retaining ring and apron, a plurality of air inlet ducts or inlet port have been seted up on the body of going up the takeover that is located the casing section body, a plurality of takeover through.
3. The vacuum powder suction device according to claim 2, wherein: the end of intaking of frequency conversion vacuum pump is connected with the cooling water inlet tube, is provided with manual ball valve and pneumatic angle seat valve on the cooling water inlet tube, and the play water end of frequency conversion vacuum pump is provided with the cooling water exhaust pipe.
4. The vacuum powder suction device according to claim 3, wherein: the water receiving pipe is arranged below the drainage section pipe body, the top of the water receiving pipe is open, the bottom of the drainage section pipe body extends into the water receiving pipe, and the water receiving pipe is communicated with the cooling water drainage pipe.
5. The vacuum powder suction device according to claim 2, 3 or 4, wherein: a one-way valve is arranged on a vacuum pumping pipeline between the variable-frequency vacuum pump and the vacuum tank.
6. The vacuum powder suction device according to claim 2, 3 or 4, wherein: the adjusting control valve on the vacuum adjusting pipeline adopts a pneumatic adjusting angle seat valve.
Priority Applications (1)
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CN201920905386.9U CN211190000U (en) | 2019-06-17 | 2019-06-17 | Vacuum powder suction device |
Applications Claiming Priority (1)
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CN201920905386.9U CN211190000U (en) | 2019-06-17 | 2019-06-17 | Vacuum powder suction device |
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CN211190000U true CN211190000U (en) | 2020-08-07 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110523329A (en) * | 2019-06-17 | 2019-12-03 | 江苏新美星包装机械股份有限公司 | Vacuum device for inhaling powdery substances |
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2019
- 2019-06-17 CN CN201920905386.9U patent/CN211190000U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110523329A (en) * | 2019-06-17 | 2019-12-03 | 江苏新美星包装机械股份有限公司 | Vacuum device for inhaling powdery substances |
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Effective date of registration: 20220329 Address after: 215600 South District of Zhangjiagang Economic Development Zone, Suzhou City, Jiangsu Province (Xinjing East Road) Patentee after: Jiangsu xinmeixing Industrial Research Institute Co.,Ltd. Address before: 215600 Jiangsu xinmeixing Packaging Machinery Co., Ltd., Xinjing East Road, South District, Zhangjiagang Economic Development Zone, Suzhou City, Jiangsu Province Patentee before: JIANGSU NEWAMSTAR PACKAGING MACHINERY Co.,Ltd. |