CN211384167U

CN211384167U - Hierarchical formula microfluid inertia strikes separator

Info

Publication number: CN211384167U
Application number: CN201922024625.2U
Authority: CN
Inventors: 朱禹政; 梅丹; 徐雪梅; 彭小梅; 段文竹; 熊尚琳
Original assignee: Wuhan University of Science and Engineering WUSE
Current assignee: Wuhan University of Science and Engineering WUSE
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-09-01
Anticipated expiration: 2029-11-21

Abstract

The utility model relates to a hierarchical formula microfluid inertia strikes separator, including fan and a plurality of detaching unit, a plurality of detaching unit set gradually and communicate in proper order extremely down from last, and the fan passes through the pipeline and communicates with the detaching unit that is located the below. The beneficial effects of the utility model are that can effectively collect the particle of different particle diameters in grades to the device is small, and the entry flow is less, portable and combine other equipment to use together.

Description

Hierarchical formula microfluid inertia strikes separator

Technical Field

The utility model relates to a splitter technical field, concretely relates to hierarchical formula microfluid inertia strikes separator.

Background

The increase in airborne particulates and bioaerosols can have serious health effects on respirable toxic particles as well as on airborne bacterial and viral pathogens. And the formation of biofilms to find their way to the body and threaten human health. This increases the need for a robust air quality management system required for preventative health care.

The research on atmospheric particulates in China starts late, the technology for designing and producing the multistage impact type collecting device is weak, and the particulate sampling devices used by environmental protection departments are basically imported from foreign countries. The following are some of the more common multi-stage impact samplers in the world: (1) a micropore uniform deposition impactor (MOUDI), one of aerosol multi-stage collision samplers which are most widely applied in the world, wherein the sampling flow is 30L/min; (2) the Andersen 8-stage non-biological sampler and the 8-stage laminated impact sampler are multi-stage and multi-hole samplers. For direct measurement of mass concentrations of aerodynamically sized solid and gas particles. The highest flow of the collector can reach 60L/min; (3) the Marple multistage collision sampler (MMI) is a five-stage collision sampler and is designed by matching with medicinal inhalant. The flow of the collector can be divided into 30L/min and 60L/min according to the model.

At present, the conventional common multi-stage impactor is complex in structure, large in size, inconvenient to carry and poor in grading effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a hierarchical formula microfluid inertia strikes separator is provided, aims at solving above-mentioned technical problem.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

the utility model provides a hierarchical formula microfluid inertia strikes separator, includes fan and a plurality of the disengaging unit, and is a plurality of the disengaging unit sets gradually and communicates in proper order from last to down, the fan passes through the pipeline and is located the below the disengaging unit intercommunication.

The utility model has the advantages that: in the separation process, the air flow to be separated is introduced into the separator through the fan, ions with different particle sizes are effectively collected in a grading mode, the separation effect is good, the size of the device is small, and the device is convenient to carry.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, each separating unit comprises a separating cylinder and a collecting plate, wherein an air inlet and an air outlet are respectively arranged at the upper end and the lower end of each separating cylinder, the air inlet of the uppermost separating cylinder is used for air inlet, the air outlet of the upper separating cylinder is communicated with the air inlet of the adjacent lower separating cylinder through a pipeline, and the air outlet of the lowermost separating cylinder is communicated with the inlet of the fan through a pipeline; the collecting plate is horizontally and detachably arranged in the separating cylinder and is positioned below the air inlet.

The beneficial effects of adopting above-mentioned further scheme are that treat the air current of separating and get into the cylinder from the air inlet at cylinder top in, the air current downward flow and collide with the collecting plate, and the great ion of granule is held back on the collecting plate, and the air current after the separation is then discharged from the gas outlet of cylinder bottom, simple structure, separation convenient and fast.

Further, even interval connection has the bracing piece that a plurality of slopes set up on the edge of collecting plate, and is a plurality of the bracing piece is kept away from the one end of collecting plate extends to respectively the inner wall of separator, fixed mounting on the inner wall of separator a plurality of with the draw-in groove of bracing piece one-to-one joint.

The beneficial effect who adopts above-mentioned further scheme is that only need insert the draw-in groove that corresponds with the one end of every bracing piece during the installation, when dismantling with the bracing piece one end from the draw-in groove take out can, simple structure, easy dismounting, labour saving and time saving.

Further, every the bracing piece is kept away from the one end of collecting plate all is the wedge, the draw-in groove be with the wedge groove of the one end cooperation joint of bracing piece.

The beneficial effect who adopts above-mentioned further scheme is that the structure is special, increases the stability of bracing piece to the stability of collecting plate.

Furthermore, the top wall in the separation cylinder is relatively provided with at least two hanging rods, the lower end of each hanging rod is fixedly connected with a supporting plate, and the supporting plates are detachably connected with the edges of the collecting plates.

Adopt above-mentioned further scheme's beneficial effect to hold the collecting plate through hanging pole and layer board, and the collecting plate can be dismantled with the layer board and be connected, simple structure, easy dismounting, labour saving and time saving.

Further, the edge of the collecting plate extends vertically upwards to form a baffle.

The beneficial effect of adopting the above-mentioned further scheme is that can prevent the particle that collects on the collecting plate from sliding off from the collecting plate through the baffle.

Further, the collecting plate is in an inverted cone shape.

The beneficial effect of adopting above-mentioned further scheme is to the air current water conservancy diversion effect preferred, otherwise form the vortex and be unfavorable for the grading.

Further, the separating cylinder is in an inverted cone shape.

Drawings

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

fig. 2 is a schematic structural diagram of a second embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the device comprises a fan, 2, a separating cylinder, 3, a collecting plate, 4, an air inlet, 5, an air outlet, 6, a supporting rod, 7, a clamping groove, 8, a hanging rod, 9, a supporting plate, 10 and a baffle.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 2, the utility model provides a hierarchical microfluid inertia strikes separator, including fan 1 and a plurality of the detaching unit, a plurality of detaching unit set gradually and communicate in proper order under to from last, and fan 1 communicates through pipeline and the detaching unit that is located the below. In the separation process, the air flow to be separated is introduced into the separator through the fan 1, ions with different particle sizes are effectively collected in a grading mode, the separation effect is good, the size of the device is small, and the device is convenient to carry.

It should be noted that the utility model discloses separate the air current in the mainly used experiment to be convenient for follow-up component in the detection post-separation air current.

Example 1

On the basis of the structure, in this embodiment, each separation unit includes a separation cylinder 2 and a collection plate 3, an air inlet 4 and an air outlet 5 are respectively arranged at the upper end and the lower end of the separation cylinder 2, the air inlet 4 of the uppermost separation cylinder 2 is used for air inlet, the air outlet 5 of the upper separation cylinder 2 is communicated with the air inlet 4 of the adjacent lower separation cylinder 2 through a pipeline, the air outlet 5 of the lowermost separation cylinder 2 is communicated with the inlet of the fan 1 through a pipeline, and the two ends of the pipeline are respectively welded with the corresponding air outlet 5 and the inlet of the fan 1; the collecting plate 3 is horizontally and detachably arranged in the separating cylinder 2 and is positioned below the air inlet 4. In the separation process, the air flow to be separated enters the separation cylinder 2 from the air inlet 4 at the top of the separation cylinder 2, the air flow flows downwards and collides with the collecting plate 3, ions with larger particles are retained on the collecting plate 3, and the separated air flow is discharged from the air outlet 5 at the bottom of the separation cylinder 2.

Example 2

As shown in fig. 1, on the basis of the first embodiment, in this embodiment, the edge of the collecting plate 3 is connected with the supporting rods 6 that are arranged in a plurality of slopes at uniform intervals, one end of each of the supporting rods 6, which is far away from the collecting plate 3, extends to the inner wall of the separating drum 2, the other end of each of the supporting rods is welded to the edge of the collecting plate 3, a plurality of clamping grooves 7 are fixedly mounted on the inner wall of the separating drum 2 and clamped with the supporting rods 6 in a one-to-one correspondence manner, and the clamping grooves 7 and the separating drum 2 are integrally formed, so. During installation, only one end of each supporting rod 6 is required to be inserted into the corresponding clamping groove 7, and during disassembly, one end of each supporting rod 6 is taken out from the corresponding clamping groove 7.

Example 3

On the basis of embodiment two, in this embodiment, the one end that collecting plate 3 was kept away from to every bracing piece 6 all is the wedge, and draw-in groove 7 is the wedge groove with the one end cooperation joint of bracing piece 6, and the structure is special, increases bracing piece 6's stability to collecting plate 3's stability.

Example 4

As shown in fig. 2, on the basis of the first embodiment, in the present embodiment, at least two suspension rods 8 are oppositely arranged on the top wall in the separation cylinder 2, the upper end of each suspension rod 8 is welded to the inner wall of the separation cylinder 2, the lower end thereof is fixedly connected with a supporting plate 9, and the supporting plate 9 and the suspension rods 8 are integrally formed; the supporting plate 9 is detachably connected with the edge of the collecting plate 3, usually by bolts, and screw holes matched with the bolts are arranged on the supporting plate 9 and the edge of the collecting plate 3. Hold collecting plate 3 through hanging pole 8 and layer board 9, and collecting plate 3 can be dismantled with layer board 9 and be connected, simple structure, easy dismounting, labour saving and time saving.

Example 5

On the basis of the first embodiment, in the present embodiment, the baffle 10 extends vertically upwards from the edge of the collecting plate 3, the baffle 10 and the collecting plate 3 are integrally formed, the structure is simple, the particles collected on the collecting plate 3 can be prevented from sliding down from the collecting plate 3 by the baffle 10, and the separation effect is ensured.

Preferably, the utility model discloses in, collecting plate 3 is the back taper, to air current water conservancy diversion effect preferred, otherwise form the vortex and be unfavorable for the grading.

Preferably, in the present invention, the separation cylinder 2 is in an inverted cone shape. The airflow guiding effect is better, otherwise, vortex is formed, and the classification is not facilitated.

The working principle of the utility model is as follows:

the air flow to be separated is introduced into the separating cylinder 2 positioned at the top through the fan 1, the air flow flows downwards and collides with the collecting plate 3, ions with larger particles are retained on the collecting plate 3, the separated air flow is discharged from the air outlet 5 at the bottom of the separating cylinder 2 and enters the next separating cylinder 2, the operation is repeated, the multi-stage separation of the air flow is completed, and the separated air flow is discharged from the outlet of the fan 1.

It should be noted that the blower (model HF200P) according to the present invention is a conventional blower, and the blower is electrically connected to a controller (model TC-SCR), and the control circuit between the controller and each component is a conventional blower.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A staged microfluidic inertial impactor separator, comprising: including fan (1) and a plurality of separating element, it is a plurality of the separating element sets gradually and communicates in proper order from last to down, fan (1) through the pipeline with be located the below the separating element intercommunication.

2. The staged microfluidic inertial impactor separator according to claim 1 wherein: each separating unit comprises a separating cylinder (2) and a collecting plate (3), an air inlet (4) and an air outlet (5) are respectively arranged at the upper end and the lower end of the separating cylinder (2), the air inlet (4) of the uppermost separating cylinder (2) is used for air inlet, the air outlet (5) of the upper separating cylinder (2) is communicated with the air inlet (4) of the adjacent lower separating cylinder (2) through a pipeline, and the air outlet (5) of the lowermost separating cylinder (2) is communicated with an inlet of the fan (1) through a pipeline; the collecting plate (3) is horizontally and detachably arranged in the separating cylinder (2) and is positioned below the air inlet (4).

3. The staged microfluidic inertial impactor separator according to claim 2 wherein: even interval connection has bracing piece (6) that a plurality of slopes set up on the edge of collecting plate (3), and is a plurality of bracing piece (6) are kept away from the one end of collecting plate (3) extends to respectively the inner wall of knockout drum (2), fixed mounting on the inner wall of knockout drum (2) a plurality of with draw-in groove (7) of bracing piece (6) one-to-one joint.

4. The staged microfluidic inertial impactor separator according to claim 3 wherein: every bracing piece (6) are kept away from the one end of collecting plate (3) all is the wedge, draw-in groove (7) be with the wedge groove of the one end cooperation joint of bracing piece (6).

5. The staged microfluidic inertial impactor separator according to claim 2 wherein: the separation cylinder is characterized in that at least two hanging rods (8) are oppositely arranged on the top wall in the separation cylinder (2), the lower end of each hanging rod (8) is fixedly connected with a supporting plate (9), and the supporting plates (9) are detachably connected with the edge of the collecting plate (3).

6. The staged microfluidic inertial impactor separator according to claim 2 wherein: the edge of the collecting plate (3) vertically extends upwards to form a baffle plate (10).

7. The staged microfluidic inertial impactor separator according to claim 2 wherein: the collecting plate (3) is in an inverted cone shape.

8. The staged microfluidic inertial impactor separator according to claim 2 wherein: the separating cylinder (2) is in an inverted cone shape.