阅读说明：本技术 真空吸粉装置 (Vacuum device for inhaling powdery substances ) 是由 李前勇 刘波 于 2019-06-17 设计创作，主要内容包括：本发明公开了一种真空吸粉装置,包括：真空罐,真空罐上设置有进液管和粉末进料口,真空罐上设置有抽真空管路,抽真空管路上设置有真空泵,粉末进料口上设置有进料控制阀,进料控制阀与粉末输送管相连接,所述的真空泵为变频真空泵,真空罐的顶部设置有压力传感器,真空罐的顶部还设置有真空调节管路,真空调节管路上设置有调节控制阀,真空调节管路的输入端设置有汽水分离机构,空气通过汽水分离机构进入至真空调节管路中。本发明的优点在于：真空罐内真空度稳定,粉末进料量能被精准控制,从而大大提高溶液浓度的精准度,进而能有效提高产品质量。(The invention discloses a kind of vacuum device for inhaling powdery substances, it include: vacuum tank, inlet tube and powder inlet are provided on vacuum tank, vacuum-pumping pipeline is provided on vacuum tank, vacuum-pumping tube road is provided with vacuum pump, inlet control valve is provided in powder inlet, inlet control valve is connected with powder conduit, the vacuum pump is frequency conversion vacuum pump, pressure sensor is provided at the top of vacuum tank, vacuum conditions pipeline is additionally provided at the top of vacuum tank, adjusting control valve is provided on vacuum conditions pipeline, the input terminal of vacuum conditions pipeline is provided with steam-water separation mechanism, air is entered in vacuum conditions pipeline by steam-water separation mechanism.The present invention has the advantages that vacustat in vacuum tank, powder feed amount can be refined control, to greatly improve the precision of solution concentration, and then can effectively improve product quality.)

1. vacuum device for inhaling powdery substances, comprising: vacuum tank is provided with inlet tube and powder inlet on vacuum tank, is arranged on vacuum tank There is vacuum-pumping pipeline, vacuum-pumping tube road is provided with vacuum pump, it is characterised in that: charging control is provided in powder inlet Valve, inlet control valve are connected with powder conduit, and the vacuum pump is frequency conversion vacuum pump, are provided with pressure at the top of vacuum tank Force snesor is additionally provided with vacuum conditions pipeline at the top of vacuum tank, adjusting control valve, vacuum is provided on vacuum conditions pipeline The input terminal for adjusting pipeline is provided with steam-water separation mechanism, and air is entered in vacuum conditions pipeline by steam-water separation mechanism.

2. vacuum device for inhaling powdery substances according to claim 1, it is characterised in that: the input terminal of vacuum conditions pipeline is straight down Setting, the structure of the steam-water separation mechanism include: upper connecting tube and lower linking tube, upper end and the vacuum conditions pipeline of upper connecting tube The fixed connection of input terminal, is provided with a ring cover plate outside upper connecting tube, and the bottom of cover board is arranged at intervals with outer retaining ring and interior from inside to outside Retaining ring, lower linking tube from top to bottom include casing section tube body and draining section tube body, and the internal diameter of casing section tube body is greater than draining section pipe The internal diameter of body, casing section tube body are sleeved on outside the upper connecting tube below cover board, and the upper-end part of driving of casing section tube body is in outer retaining ring and interior Between retaining ring, all there are gaps between the upper end of casing section tube body and the bottom of outer retaining ring, inner shield ring and cover board, are located at set Several air inlet ducts or air inlet are offered on the tube body of the intracorporal upper connecting tube of pipeline section pipe, positioned at the intracorporal upper connecting tube of casing section pipe Bottom offers several adapter tube through-holes.

3. vacuum device for inhaling powdery substances according to claim 2, it is characterised in that: the water inlet end of frequency conversion vacuum pump is connected with cooling Water water inlet pipe is provided with manual ball valve and pneumatic angle pedestal valve on cooling water inlet pipe, and the water outlet of frequency conversion vacuum pump is provided with cold But water drainpipe.

4. vacuum device for inhaling powdery substances according to claim 3, it is characterised in that: be provided with water receiving below draining section tube body The bottom of pipe, the open top of water receiving pipe, draining section tube body stretches in water receiving pipe, and water receiving pipe is connected with cooling water drainage water pipe It is logical.

5. according to vacuum device for inhaling powdery substances described in Claims 2 or 3 or 4, it is characterised in that: between frequency conversion vacuum pump and vacuum tank Vacuum-pumping tube road be provided with check valve.

6. according to vacuum device for inhaling powdery substances described in Claims 2 or 3 or 4, it is characterised in that: the adjusting control on vacuum conditions pipeline Valve processed adjusts angle pedestal valve using pneumatic.

Technical field

The present invention relates to vacuum deaerator plant technical fields, and in particular to vacuum device for inhaling powdery substances.

Background technique

It all needs to carry out configuration material by vacuum device for inhaling powdery substances in the industry productions such as beverage, chemical industry, medicine.Traditional is true Empty device for inhaling powdery substances, structure include: vacuum tank, and inlet tube and powder inlet are provided on vacuum tank, is set in powder inlet It is equipped with powder feed pipe, vacuum-pumping pipeline is provided at the top of vacuum tank, vacuum-pumping tube road is provided with vacuum pump, vacuum pump pair It is vacuumized in vacuum tank, so that powder constantly enters in vacuum tank from powder feed pipe by powder inlet.

The defect of above-mentioned vacuum device for inhaling powdery substances is that the stability of vacuum degree is poor, however the stability of vacuum degree is to solution Precision preparation is affected, and the precision preparation of solution then will have a direct impact on production technology or product.Therefore it improves in vacuum tank The stability of vacuum degree is extremely necessary.

Summary of the invention

The technical problem to be solved in the invention is: a kind of vacuum device for inhaling powdery substances is provided, vacustat is good, thus It can accurately control into powder amount.

To solve the above problems, the technical solution adopted by the present invention is that: vacuum device for inhaling powdery substances, comprising: vacuum tank, vacuum tank On be provided with inlet tube and powder inlet, be provided with vacuum-pumping pipeline on vacuum tank, vacuum-pumping tube road is provided with vacuum pump, Inlet control valve is provided in powder inlet, inlet control valve is connected with powder conduit, and the vacuum pump is frequency conversion Vacuum pump is provided with pressure sensor at the top of vacuum tank, vacuum conditions pipeline, vacuum conditions is additionally provided at the top of vacuum tank Adjusting control valve is provided on pipeline, the input terminal of vacuum conditions pipeline is provided with steam-water separation mechanism, and air passes through carbonated drink point Structure of disembarking enters in vacuum conditions pipeline.

Further, vacuum device for inhaling powdery substances above-mentioned, wherein the input terminal of vacuum conditions pipeline is arranged straight down, institute The structure of the steam-water separation mechanism stated includes: upper connecting tube and lower linking tube, the upper end of upper connecting tube and the input terminal of vacuum conditions pipeline Fixed connection, upper connecting tube are provided with a ring cover plate outside, and the bottom of cover board is arranged at intervals with outer retaining ring and inner shield ring from inside to outside, under Adapter tube from top to bottom includes casing section tube body and draining section tube body, and the internal diameter of casing section tube body is greater than the interior of draining section tube body Diameter, casing section tube body are sleeved on outside the upper connecting tube below cover board, the upper-end part of driving of casing section tube body in outer retaining ring and inner shield ring it Between, all there are gaps between the upper end of casing section tube body and the bottom of outer retaining ring, inner shield ring and cover board, are located at casing section pipe Several air inlet ducts or air inlet are offered on the tube body of intracorporal upper connecting tube, the bottom positioned at the intracorporal upper connecting tube of casing section pipe is opened Equipped with several adapter tube through-holes.

Further, vacuum device for inhaling powdery substances above-mentioned, wherein the water inlet end of frequency conversion vacuum pump is connected with cooling water water inlet It manages, is provided with manual ball valve and pneumatic angle pedestal valve on cooling water inlet pipe, the water outlet of frequency conversion vacuum pump is provided with cooling water drainage Water pipe.

Further, vacuum device for inhaling powdery substances above-mentioned, wherein be provided with water receiving pipe, water receiving below draining section tube body The bottom of the open top of pipe, draining section tube body stretches in water receiving pipe, and water receiving pipe is connected with cooling water drainage water pipe.

Further, vacuum device for inhaling powdery substances above-mentioned, wherein the vacuum-pumping pipeline between frequency conversion vacuum pump and vacuum tank On be provided with check valve.

Further, vacuum device for inhaling powdery substances above-mentioned, wherein the adjusting control valve on vacuum conditions pipeline is using pneumatic Adjust angle pedestal valve.

The present invention has the advantages that one, simple and practical in structure, significant effect.Two, pass through frequency conversion vacuum pump evacuation rate Adjusting and vacuum conditions pipeline on adjusting control valve aperture adjusting so that in vacuum tank vacustat work press Power is in P₀, such powder feed amount can be refined control, to greatly improve the precision of solution concentration, and then improve product Quality.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of vacuum device for inhaling powdery substances of the present invention.

Fig. 2 is the structural schematic diagram of steam-water separation mechanism.

Specific embodiment

The following further describes the present invention in detail with reference to the accompanying drawings and preferred embodiments.

As shown in Figure 1, vacuum device for inhaling powdery substances, comprising: vacuum tank 1 is provided with inlet tube 11 and powder feed on vacuum tank 1 Mouthfuls 12, vacuum-pumping pipeline 2 is provided on vacuum tank 1, vacuum pump is provided in vacuum-pumping pipeline 2, the vacuum pump is frequency conversion Vacuum pump 4.Check valve 21 is provided in vacuum-pumping pipeline 2 between frequency conversion vacuum pump 4 and vacuum tank 1.In order to enable frequency conversion is true Sky pump 4 is able to maintain efficient operation state, and the water inlet end of frequency conversion vacuum pump 4 is connected with cooling water inlet pipe 41, cooling water inlet pipe Manual ball valve 411 and pneumatic angle pedestal valve 412 are provided on 41, the water outlet of frequency conversion vacuum pump 4 is provided with cooling water drainage water pipe 42. Cooling water is entered in frequency conversion vacuum pump 4 by cooling water inlet pipe 41, to cool down to frequency conversion vacuum pump 4, it is ensured that is become Frequency vacuum pump 4 can efficient operation.Water in frequency conversion vacuum pump 4 is discharged from cooling water drainage water pipe 42 again.Adjust manual ball valve 411 Aperture, the flow of adjustable cooling water.

Inlet control valve 121 is provided in powder inlet 12, inlet control valve 121 is connected with powder conduit 3.Very The top of slack tank 1 is provided with pressure sensor 101, and the top of vacuum tank 1 is additionally provided with vacuum conditions pipeline 5, vacuum conditions pipe It is provided with adjusting control valve 51 on road 5, in the present embodiment, adjusting control valve 51 adjusts angle pedestal valve using pneumatic.Vacuum conditions pipe The input terminal 52 on road 5 is provided with steam-water separation mechanism, and air is entered in vacuum conditions pipeline 5 by steam-water separation mechanism 6.

In the present embodiment, the input terminal 52 of vacuum conditions pipeline 5 is arranged straight down.Specifically, carbonated drink as shown in Figure 2 point The structure of structure 6 of disembarking includes: upper connecting tube 61 and lower linking tube 62, the upper end of upper connecting tube 61 and the input terminal 52 of vacuum conditions pipeline 5 Fixed connection, upper connecting tube 61 are provided with a ring cover plate 611 outside, and the bottom of cover board 611 is arranged at intervals with outer retaining ring 612 from outside to inside With inner shield ring 613.Lower linking tube 62 from top to bottom includes casing section tube body 621 and draining section tube body 622, casing section tube body 621 Internal diameter be greater than draining section tube body 622 internal diameter.Casing section tube body 621 is sleeved on outside the upper connecting tube 61 of 611 lower section of cover board, casing The upper-end part of driving of Duan Guanti 621 is between outer retaining ring 612 and inner shield ring 613, the upper end of casing section tube body 621 and outer retaining ring 612, all there are gaps between the bottom of inner shield ring 613 and cover board 611, the upper connecting tube 61 in casing section tube body 621 Several air inlet ducts or air inlet 610 are offered on tube body, are illustrated for air inlet 610 is set in the present embodiment.It is located at The bottom of upper connecting tube 61 in casing section tube body 621 offers several adapter tube through-holes 614.Drain the lower section setting of section tube body 622 There is water receiving pipe 7, the bottom of the open top of water receiving pipe 7, draining section tube body 622 stretches in water receiving pipe 7, water receiving pipe 7 and cooling Water drainpipe 42 is connected.As shown in Figure 1, draining section tube body 622 for the ease of accepting, the bore of 7 upper end of water receiving pipe is larger.

When adjusting control valve 51 is opened, air is successively through between outer retaining ring 612 and the upper end of casing section tube body 621 Gap, casing section tube body 621 between gap, casing section tube body 621 and cover board 611 and the gap between inner shield ring 613 enter Into the gap between casing section tube body 621 and upper connecting tube 61, air enters to through the air inlet 610 on upper connecting tube 61 connect again In pipe 61.In the full of twists and turns motion process of air, moisture and granule foreign in air are isolated under the effect of gravity Come.The air of dried and clean after eliminating moisture and granule foreign enters to vacuum through upper connecting tube 61, vacuum conditions pipeline 5 In tank 1.Moisture and granule foreign then pass through the adapter tube through-hole 614 of the bottom of casing section tube body 621 and the bottom of upper connecting tube 61 It enters in draining section tube body 622, the water in draining section tube body 622 then passes through water receiving pipe 7 and imports to cooling water drainage water pipe 42 It discharges.

Working principle is as follows: assuming that the operating pressure in vacuum tank 1 needs to be maintained at P₀.Before inhaling powder, frequency conversion vacuum pump 4 is right Vacuum tank 1 is vacuumized, and solvent enters in vacuum tank 1 from inlet tube 11 stops feed liquor to after setting liquid level.Pressure sensor Pressure in 101 detection vacuum tanks 1, when the pressure in the vacuum tank 1 detected is stablized in P₀When, inlet control valve 121 is opened, The powder in powder conduit 3 is constantly entered in vacuum tank 1 and is dissolved in a solvent under the action of negative pressure.

When pressure sensor 101 detects that the pressure in vacuum tank 1 is less than P₀, the reduction evacuation rate of frequency conversion vacuum pump 4, together When reduce the aperture of adjusting control valve 51 so that pressure in vacuum tank 1 is stablized in P₀.When pressure sensor 101 detects Pressure in vacuum tank 1 is greater than P₀, frequency conversion vacuum pump 4 increases evacuation rate, while increasing the aperture of adjusting control valve 51, from And the pressure in vacuum tank 1 is stablized in P₀.Above-mentioned regulative mode, so that negative pressure during inhaling powder in vacuum tank 1 is steady It is scheduled on operating pressure P₀, such powder can steadily feed, and powder feed amount can be accurately controlled, at the same powder into The dissolved efficiency of material efficiency and powder in a solvent also effectively improves.

The present invention has the advantages that one, simple and practical in structure, significant effect.Two, speed is vacuumized by frequency conversion vacuum pump 4 The adjusting of 51 aperture of adjusting control valve in the adjusting of rate and vacuum conditions pipeline 5, so that vacustat exists in vacuum tank 1 Operating pressure is in P₀, such powder feed amount can be refined control, to greatly improve the precision of solution concentration, Jin Erti High yield quality.