CN209476440U - The dust-extraction unit of flour mill and flour mill with the device - Google Patents

Abstract

The utility model discloses a kind of dust-extraction unit and with the flour mill of the device, dust-extraction unit includes: cleaning shaft and dust removing funnel；The dust removing funnel includes upper pan and lower pan, the upper pan and the setting funnel-shaped of lower pan；Wherein, the upper end opening of the upper pan is greater than the lower ending opening of the upper pan, and the lower ending opening of the lower pan is greater than the upper end opening of the lower pan, and the lower ending opening of the upper pan is connect with the upper end opening of the lower pan；The upper end opening of the upper pan is equipped with sealing plate, and the sealing plate is equipped with humidifier；The cleaning shaft is connected at the upper pan, and forms an air inlet in the upper pan, and the air inlet is arranged close to the humidifier；The dust-extraction unit further includes storage powder tank.The dust-extraction unit of the utility model and flour mill with the device can make most even all of dust be collected into storage powder tank in the case where not using filter screen.

Description

The dust-extraction unit of flour mill and flour mill with the device

Technical field

The utility model relates to the dust-extraction unit of a kind of powder processing technology field more particularly to a kind of flour mill and have The flour mill of the device.

Background technique

Flour mill is a kind of grinding processing for being widely used in mineral products material in the fields such as metallurgy, building materials, chemical industry, mine Equipment；And flour mill can generate a large amount of dust during the work time, therefore in order to improve the working environment in factory, in flour mill Air outlet at deduster can be set.

Currently, the deduster being mounted on flour mill is a kind of dry type dust filtration device, filtrate after a period of use, by In effects such as sieving, collision, delay, diffusion, electrostatic, filter bag surface can gather one layer of dust, this layer of dust is known as bonding layer；Herein In motion process afterwards, bonding layer is at the main filtration layer of filtrate, and by the effect of bonding layer, the biggish filtrate of mesh can also be obtained Higher filter efficiency.But as dust is in the accumulation of filter material surface, the efficiency and resistance of deduster are all accordingly increased, when When the pressure difference of filtrate two sides is very big, the tiny grit on filtrate some can be attached to and squeeze the past, make dust collector efficiency Decline；In addition, the excessively high air quantity that can make dust pelletizing system of the resistance of deduster is remarkably decreased.

Therefore, it needs to invent a kind of higher dust-extraction unit of filter efficiency.

Utility model content

The purpose of the utility model is to provide a kind of dust-extraction unit of flour mill, which can effectively solve existing skill Art there are the problem of.

To achieve the goals above, the technical solution of the utility model is:

A kind of dust-extraction unit of flour mill comprising: one end is connected to the cleaning shaft of flour mill, the cleaning shaft The other end is connected with dust removing funnel；The dust removing funnel includes upper pan and lower pan, and the upper pan and lower pan are funnel-shaped Setting；

Wherein, the upper end opening of the upper pan is greater than the lower ending opening of the upper pan, and the lower end of the lower pan is opened Mouth is greater than the upper end opening of the lower pan, and the lower ending opening of the upper pan is connect with the upper end opening of the lower pan.

The upper end opening of the upper pan is equipped with sealing plate, and the sealing plate is equipped with humidifier；The cleaning shaft connects It is connected at the upper pan, and forms an air inlet in the upper pan, the air inlet is arranged close to the humidifier.

The dust-extraction unit further includes storage powder tank, and the open end of the storage powder tank is being in the lower ending opening of the upper pan just Lower section.

Further, the open end of the storage powder tank is sheathed in the lower pan.

Further, filter screen is equipped between the storage powder tank and the dust removing funnel.

Further, one end of the filter screen be connected to it is described storage powder tank opening, the other end be connected to it is described under At the upper end opening of pan.

Further, the filter screen is obliquely installed, and the angle with vertical direction is 30 °~45 °.

As a kind of specific embodiment, the air-flow that the air inlet sprays is arranged close to the side wall of the upper pan, with Vortical flow is formed in the upper pan.

In order to solve the above-mentioned technical problem, the utility model embodiment additionally provides a kind of flour mill comprising above-mentioned Dust-extraction unit.

As a kind of specific embodiment, which further includes backwind tube, and the backwind tube is connected to the lower pan Lower ending opening at.

Compared with prior art, the utility model has following technical effect that

1, the dust-extraction unit of the flour mill of the utility model, dust removing funnel are connected to the end of cleaning shaft, flour mill The lingering remnants of past customs with fine powder of air blower discharge forms vortical flow after entering dust removing funnel from cleaning shaft, the whirlpool gas with fine powder It flows after the humidifier on dust removing funnel in pan is wet, moisture can be adhered on dust, and further in wind-force and itself weight Under the drive of power, lower pan is entered by the lower ending opening of upper pan, and then drop into the storage of pan lower ending opening in face In powder tank；Meanwhile the lingering remnants of past customs enter lower pan after continuously form vortical flow, and from the side wall of the lower ending opening close to lower pan to Outer discharge.In this way, dust-extraction unit can be such that most even all of dust is collected in the case where not using filter screen To storage powder tank.

2, its pass through make store up powder tank open end be sheathed in lower pan, make the lower ending opening of pan to store up powder tank away from From shorter, powder is more difficult to be gone to outside storage powder tank；Meanwhile the gap stored up between powder tank and lower pan forms cricoid outlet air Mouthful, the air-flow due to being discharged from the lower ending opening of upper pan can more swimmingly be discharged from air outlet at swirl shape.

In order to better understand and implement, according to the present invention will be described in detail below with reference to the accompanying drawings.

Detailed description of the invention

Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application, The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model It limits.In the accompanying drawings:

Fig. 1 is the structural schematic diagram of the dust-extraction unit of the utility model embodiment；

Fig. 2 is the longitudinal profile structure schematic of the dust-extraction unit of the utility model embodiment；

Fig. 3 is the enlarged drawing in Fig. 2 at A；

Fig. 4 is the upper pan horizontal cross-section structure diagram of the dust-extraction unit of the utility model embodiment；

Fig. 5 is the backwind tube of the flour mill of the utility model embodiment and the connection schematic diagram of dust-extraction unit.

Specific embodiment

Below with reference to Fig. 1-5, technical scheme provided by the present invention will be described in more detail.

Referring to Fig. 1, a kind of dust-extraction unit of flour mill comprising: one end is connected to the cleaning shaft 100 of flour mill, The other end of the cleaning shaft 100 is connected with dust removing funnel 200.

As shown in Figure 1, 2, the dust removing funnel 200 includes upper pan 210 and lower pan 220, the upper pan 210 and lower bucket The setting funnel-shaped of portion 220.

Wherein, the upper end opening of the upper pan 210 is greater than the lower ending opening of the upper pan 210, the lower pan 220 Lower ending opening be greater than the upper end opening of the lower pan 220, and the lower ending opening of the upper pan 210 and the lower pan 220 upper end opening connection.

The upper end opening of the upper pan 210 is equipped with sealing plate 230, and the sealing plate 230 is equipped with humidifier 300；Institute It states cleaning shaft 100 to be connected at the upper pan 210, and forms an air inlet 110, the air inlet in the upper pan 210 Mouth 110 is arranged close to the humidifier 300.

The dust-extraction unit further includes storage powder tank 400, and the open end of the storage powder tank 400 is under the upper pan 210 The underface of end opening.

The dust-extraction unit of the flour mill of the utility model, dust removing funnel are connected to the end of cleaning shaft, the drum of flour mill The lingering remnants of past customs with fine powder of blower discharge forms vortical flow after entering dust removing funnel from cleaning shaft, the vortical flow with fine powder After the humidifier on dust removing funnel in pan is wet, moisture can be adhered on dust, and further in wind-force and self gravity Drive under, lower pan is entered by the lower ending opening of upper pan, and then drop into the storage powder of pan lower ending opening in face In tank；Meanwhile the lingering remnants of past customs enter lower pan after continuously form vortical flow, and it is outside from the side wall of the lower ending opening close to lower pan Discharge.In this way, dust-extraction unit can be such that most even all of dust is collected into the case where not using filter screen Store up powder tank.

In a kind of embodiment of the utility model, as shown in Figure 1, in a kind of embodiment of the utility model, The open end of the storage powder tank 400 is sheathed in the lower pan 220.

The utility model embodiment, which passes through, is sheathed on the open end for storing up powder tank in lower pan, makes the lower ending opening of pan Distance to storage powder tank is shorter, and powder is more difficult to be gone to outside storage powder tank；Meanwhile the gap stored up between powder tank and lower pan is formed Cricoid air outlet can be more swimmingly from air outlet since the air-flow being discharged from the lower ending opening of upper pan is at swirl shape Discharge.

In the another embodiment of the utility model, it is preferable that as shown in Fig. 2, the storage powder tank 400 is removed with described Filter screen 500 is equipped between dirt bucket 200.

The utility model embodiment by storage powder tank and dust removing funnel between be equipped with filter screen, with further prevent subdivision from The cyclic annular air outlet that the gap between powder tank and lower pan is formed is stored up to flow out；Moreover, being flowed out by upper pan, from cyclic annular air outlet The lingering remnants of past customs contained by subdivision amount it is seldom, the filter efficiency of filter screen can be guaranteed for a long time.

Preferably, as shown in Fig. 2, one end of the filter screen is connected to the opening of the storage powder tank 400, the other end connects It is connected at the upper end opening of the lower pan 220.

Specifically, as shown in figure 3, the filter screen 500 is obliquely installed, the angle α with vertical direction is 30 °~45 °.

The utility model embodiment is by filter screen being arranged at the opening of storage powder tank and the upper end opening of lower pan Between, and it is obliquely installed filter screen, storage powder tank can be slipped to after stopping powder by filter screen along inclined filter screen In, avoid dust from accumulating on filter screen.

In the another embodiment of the utility model, as shown in figure 4, the air-flow that the air inlet 110 sprays is close The side wall of the upper pan 210 is arranged, to form vortical flow in the upper pan 210.

The utility model embodiment additionally provides a kind of flour mill comprising above-mentioned dust-extraction unit.

Specifically, as shown in figure 5, the flour mill further includes backwind tube 600, the backwind tube 600 is connected to the lower bucket At the lower ending opening in portion 220.

The flour mill and its dust-extraction unit of the utility model can effectively solve problem of the existing technology.

In the description of the present invention, it should be understood that term " vertical ", " transverse direction ", "front", "rear", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure Orientation or positional relationship is only the utility model and simplified description for ease of description, rather than indicates or imply signified device Or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as protecting the utility model Protect the limitation of content.

If the words such as " first ", " second " are used herein come if limiting components, those skilled in the art are answered This knows: the use of " first ", " second " is intended merely to facilitate description the utility model and simplifies description, such as without other sound Bright, above-mentioned word has no special meaning.

The utility model is not limited to above embodiment, if the various changes or deformation to the utility model do not take off Spirit and scope from the utility model, if these changes and deformation belong to the claims and equivalents of the utility model Within the scope of, then the utility model is also intended to encompass these changes and deformation.

Claims (8)

1. a kind of dust-extraction unit of flour mill characterized by comprising

One end is connected to the cleaning shaft of flour mill, and the other end of the cleaning shaft is connected with dust removing funnel；

The dust removing funnel includes upper pan and lower pan, the upper pan and the setting funnel-shaped of lower pan；

Wherein, the upper end opening of the upper pan is greater than the lower ending opening of the upper pan, and the lower ending opening of the lower pan is big In the upper end opening of the lower pan, and the lower ending opening of the upper pan is connect with the upper end opening of the lower pan；

The upper end opening of the upper pan is equipped with sealing plate, and the sealing plate is equipped with humidifier；

The cleaning shaft is connected at the upper pan, and forms an air inlet in the upper pan, and the air inlet is close The humidifier setting；

The dust-extraction unit further include storage powder tank, it is described storage powder tank open end be in the upper pan lower ending opening just under Side.

2. dust-extraction unit according to claim 1, it is characterised in that:

The open end of the storage powder tank is sheathed in the lower pan.

3. dust-extraction unit according to claim 2, it is characterised in that:

Filter screen is equipped between the storage powder tank and the dust removing funnel.

4. dust-extraction unit according to claim 3, it is characterised in that:

One end of the filter screen is connected to the opening of the storage powder tank, and the other end is connected to the upper end opening of the lower pan Place.

5. dust-extraction unit according to claim 4, it is characterised in that:

The filter screen is obliquely installed, and the angle with vertical direction is 30 °~45 °.

6. dust-extraction unit according to claim 1-5, it is characterised in that:

The air-flow that the air inlet sprays is arranged close to the side wall of the upper pan, to form whirlpool gas in the upper pan Stream.

7. a kind of flour mill, it is characterised in that:

Including dust-extraction unit described in any one of claims 1-6.

8. flour mill according to claim 7, which is characterized in that further include:

Backwind tube, the backwind tube are connected at the lower ending opening of the lower pan.