CN210802786U

CN210802786U - Sand and dust test box with electrostatic dust collection function

Info

Publication number: CN210802786U
Application number: CN201921894751.7U
Authority: CN
Inventors: 陶刚; 董元佳; 马盼盼
Original assignee: Jiangsu 3e Test Technology Co ltd
Current assignee: Jiangsu 3e Test Technology Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-19
Anticipated expiration: 2029-11-05

Abstract

The utility model relates to the technical field of a sand dust test box, in particular to a sand dust test box with electrostatic dust collection, which comprises a box body, wherein the bottom of the box body is sequentially provided with a sand dust recovery device, a sand dust circulation device and an electrostatic dust collection device; the dust recycling device is connected to the funnel-shaped structure at the bottom of the box body, the dust circulating device is connected to the circulating pump at the bottom of the dust recycling device, an air outlet of the dust circulating device is communicated to the top of the inner cavity of the box body through a dust suction pipe, and the dust suction pipe is further connected with the electrostatic dust collection device. Utility model adds electrostatic precipitator device, can carry out electrostatic precipitator to the circulating air flow after the circular telegram, and the sand dust adsorbs in electrostatic precipitator barrel inner wall, can concentrate the propelling movement to the sand dust collecting box in by pushing away the dirt board after the outage, wholly has the high-efficient and convenient advantage of dust removal.

Description

Sand and dust test box with electrostatic dust collection function

Technical Field

The utility model belongs to the technical field of the sand dust test box technique and specifically relates to a sand dust test box with electrostatic precipitation is related to.

Background

The sand dust test chamber is a test device for detecting the sealing performance of the shell of a product. The working principle of the test sample is that a fan pushes a certain concentration of sand and dust to blow across the surface of the test sample at a certain flow rate, and the test sample is tested for the capability of defending the penetration effect or the blocking effect of dust particles under the action of dust-filled atmosphere.

The existing sand dust test box is difficult to collect sand dust in circulating airflow after detection work is finished, if gravity or electrostatic settlement is directly carried out in the test box, the settled sand dust is difficult to clean, and if the settled sand dust is directly discharged out of the box body, air is polluted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sand and dust test box with electrostatic precipitation.

The utility model aims at realizing through the following technical scheme: a sand dust test box with electrostatic dust collection comprises a box body, wherein the bottom of the box body is sequentially provided with a sand dust recovery device, a sand dust circulating device and an electrostatic dust collection device; the dust recycling device is connected to the funnel-shaped structure at the bottom of the box body, the dust circulating device is connected to the circulating pump at the bottom of the dust recycling device, an air outlet of the dust circulating device is communicated to the top of the inner cavity of the box body through a dust suction pipe, and the dust suction pipe is further connected with the electrostatic dust collection device.

Preferably, the dust collection pipe comprises a first dust collection pipe and a second dust collection pipe which are respectively communicated with the sand-dust circulation device and the box body, and one end of the second dust collection pipe extends into the box body and is provided with a dust outlet.

Preferably, the electrostatic dust collection device comprises an electrostatic dust collection cylinder, and a first connecting part and a second connecting part which are respectively in interference fit with the first dust collection pipe and the second dust collection pipe are arranged at two ends of the electrostatic dust collection cylinder.

Preferably, central copper wires distributed along the axis of the electrostatic dust collection cylinder are arranged in the electrostatic dust collection cylinder, and outer copper wires distributed in a spiral shape are wrapped on the outer wall of the electrostatic dust collection cylinder.

Preferably, a supporting tube for fixing the central copper wire is arranged in the electrostatic dust collection cylinder, and a supporting frame is connected between the supporting tube and the electrostatic dust collection cylinder.

Preferably, an electric push rod is fixedly arranged at one end of the electrostatic dust collection barrel, and a piston rod of the electric push rod penetrates through the electrostatic dust collection barrel and is connected with an annular dust pushing plate used for removing sand and dust on the inner wall of the electrostatic dust collection barrel.

Preferably, the electrostatic dust collection device further comprises a sand dust collection box arranged below the electrostatic dust collection barrel, the top of the sand dust collection box is provided with a plug-in port, the outer wall of the electrostatic dust collection barrel is connected with a connecting pipe communicated with the inside of the electrostatic dust collection barrel, and the bottom of the connecting pipe is embedded and fixed on the plug-in port of the sand dust collection box through a rubber ring.

Preferably, the front surface of the box body is provided with an observation window for observing a sample; the outer side wall of the sand dust recovery device is provided with a vibrator for avoiding sand dust accumulation.

Compared with the prior art, the utility model provides a sand and dust test box with electrostatic precipitation possesses following beneficial effect: the utility model discloses increased electrostatic precipitator device on current dust test box basis, can carry out electrostatic precipitator to the circulating air flow after the circular telegram, the dust adsorbs in electrostatic precipitator barrel inner wall, can concentrate the propelling movement to the dust collecting box by pushing away the dirt board after the outage in, wholly has the high-efficient and convenient advantage of removing dust.

Drawings

Fig. 1 is a schematic view of the present invention;

FIG. 2 is a front view of the electrostatic dust collector of the present invention;

FIG. 3 is an isometric view of the electrostatic dust collector of the present invention;

fig. 4 is an internal structure view of the electrostatic dust collector of the present invention.

In the figure, 1, a box body; 2. a sample; 3. an observation window; 4. a vibrator; 5. a sand dust recovery device; 6. a sand-dust circulation device; 7. a first dust suction pipe; 8. an electrostatic dust collecting device; 81. an electrostatic dust collecting cylinder; 811. a second connecting portion; 812. a first connection portion; 813. a connecting pipe; 814. supporting a tube; 815. a support frame; 816. a central copper wire; 817. a dust pushing plate; 82. a sand dust collecting box; 821. a rubber ring; 83. an electric push rod; 84. an outer copper wire; 9. a second dust suction pipe; 10. and a dust outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a sand and dust proof box with electrostatic precipitation, the power distribution box comprises a box body 1, the front of box 1 is provided with the observation window 3 that is used for observing the sample, the bottom of box 1 is connected with sand and dust recovery unit 5, sand and dust recovery unit 5 is the infundibulate structure, sand and dust recovery unit 5's lateral wall is provided with vibrator 4, vibrator 4 drives the vibration of sand and dust recovery unit 5 and piles up along the 5 inside walls of sand and dust recovery unit in order to avoid its inside sand and dust, sand and dust recovery unit 5's bottom exit is connected with sand and dust circulating device 6, sand and dust circulating device 6 chooses for use the circulating pump, the air outlet of circulating pump is connected with electrostatic precipitation device 8 through first dust absorption pipe 7, the one end that electrostatic precipitation device 8 kept away from the circulating pump is connected with second dust absorption pipe 9, and the one end that electrostatic precipitation device 8 was kept.

Referring to fig. 2, the electrostatic dust collecting device 8 includes an electrostatic dust collecting cylinder 81 and a sand dust collecting box 82 disposed below the electrostatic dust collecting cylinder 81, the sand dust collecting box 82 is disposed below one end of the electrostatic dust collecting cylinder 81 far from the circulating pump, and the sand dust collecting box 82 is communicated with the electrostatic dust collecting cylinder 81 through a connecting pipe 813. The first connection part 812 and the second connection part 811 are connected to both ends of the electrostatic dust collection cylinder 81 in an interference fit with the first dust suction pipe 7 and the second dust suction pipe 9, respectively, and the first connection part 812 and the second connection part 811 have the same diameter. An electric push rod 83 is fixedly mounted on one end of the electrostatic dust collection cylinder 81 below the first connection portion 812, and a piston rod of the electric push rod 83 penetrates through the end of the electrostatic dust collection cylinder 81 and extends into the electrostatic dust collection cylinder 81.

Referring to fig. 3, the inner wall of the first connection portion 812 is fixedly connected with a support tube 814 through a support frame 815 distributed circumferentially, a central copper wire 816 distributed along the axis of the electrostatic dust collection cylinder 81 is fixedly inserted into the support tube 814, the central copper wire 816 distributed along the axis of the electrostatic dust collection cylinder 81 is arranged inside the electrostatic dust collection cylinder 81, the outer wall of the electrostatic dust collection cylinder 81 is wrapped with an outer copper wire 84 distributed spirally (see fig. 2), the central copper wire 816 and the outer copper wire 84 are both exposed copper wires, and the diameter of the copper wires is 3 mm.

Referring to fig. 4, a piston rod of the electric push rod 83 penetrates through the electrostatic dust collecting cylinder 81 and is connected with an annular dust pushing plate 817, the dust pushing plate 817 is used for removing sand and dust on the inner wall of the electrostatic dust collecting cylinder 81, the outer diameter of the dust pushing plate 817 is equal to the inner diameter of the electrostatic dust collecting cylinder 81, and the inner diameter of the dust pushing plate 817 is equal to the inner diameter of the first connecting portion 812. The sand dust collecting box 82 is a box 1 structure provided with a plug-in port, and the bottom of the connecting pipe 813 is embedded and fixed on the plug-in port of the sand dust collecting box 82 through the rubber ring 821.

The working principle is as follows: when electrostatic dust collection is carried out, the central copper wire 816 is connected with the negative electrode of a high-voltage power supply, the outer copper wire 84 is connected with the positive electrode of the high-voltage power supply, the high-voltage power supply can be a high-voltage electrostatic generator, after the high-voltage power supply is electrified, circulating airflow sent by a circulating pump is ionized into positive ions and electrons by the high-voltage power supply, the electrons are attached to the sand dust in the process of moving to the positive electrode, the sand dust with the electrons moves under the action of an electric field and is adsorbed to the inner wall of the electrostatic dust collection barrel 81, and then the electrostatic dust collection effect is achieved. After the high voltage power supply is powered off, the dust pushing plate 817 is driven by the electric push rod 83 to scrape off the sand and dust attached to the inner wall of the electrostatic dust collecting cylinder 81, the sand and dust is pushed to the connecting pipe 813 by the electric push rod 83 and falls into the sand and dust collecting box 82, the sand and dust collecting box 82 can be taken down regularly for cleaning, and the rubber ring 821 is arranged between the sand and dust collecting box 82 and the connecting pipe 813, so that the sand and dust test box is pulled out and installed simply, conveniently and quickly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sand and dust test box with electrostatic precipitator, includes box (1), its characterized in that: the bottom of the box body (1) is sequentially provided with a sand dust recovery device (5), a sand dust circulating device (6) and an electrostatic dust collection device (8); the dust recycling device (5) is connected with a funnel-shaped structure at the bottom of the box body (1), the dust circulating device (6) is connected with a circulating pump at the bottom of the dust recycling device (5), an air outlet of the dust circulating device (6) is communicated with the top of an inner cavity of the box body (1) through a dust suction pipe, and the dust suction pipe is further connected with the electrostatic dust collection device (8).

2. The sand dust test chamber with electrostatic dust collection function according to claim 1, wherein: the dust collection pipe comprises a first dust collection pipe (7) and a second dust collection pipe (9) which are respectively communicated with the sand and dust circulating device (6) and the box body (1), and one end of the second dust collection pipe (9) extends to the interior of the box body (1) and is provided with a dust outlet (10).

3. The sand dust test chamber with electrostatic dust collection function according to claim 1, wherein: the electrostatic dust collection device (8) comprises an electrostatic dust collection cylinder (81), and a first connecting part (812) and a second connecting part (811) which are in interference fit with the first dust collection pipe (7) and the second dust collection pipe (9) respectively are arranged at two ends of the electrostatic dust collection cylinder (81).

4. A sand and dust test chamber with electrostatic dust collection according to claim 3, characterized in that: the electrostatic dust collection barrel (81) is internally provided with central copper wires (816) distributed along the axis of the electrostatic dust collection barrel, and the outer wall of the electrostatic dust collection barrel (81) is wrapped with outer copper wires (84) distributed in a spiral shape.

5. A sand and dust test chamber with electrostatic dust collection according to claim 4, characterized in that: a supporting pipe (814) for fixing the central copper wire (816) is arranged inside the electrostatic dust collection cylinder body (81), and a supporting frame (815) is connected between the supporting pipe (814) and the electrostatic dust collection cylinder body (81).

6. A sand and dust test chamber with electrostatic dust collection according to claim 3, characterized in that: one end of the electrostatic dust collection cylinder body (81) is fixedly provided with an electric push rod (83), and a piston rod of the electric push rod (83) penetrates through the electrostatic dust collection cylinder body (81) and is connected with an annular dust pushing plate (817) for clearing sand and dust on the inner wall of the electrostatic dust collection cylinder body (81).

7. A sand and dust test chamber with electrostatic dust collection according to claim 3, characterized in that: the electrostatic dust collection device (8) further comprises a sand dust collection box (82) arranged below the electrostatic dust collection barrel body (81), the top of the sand dust collection box (82) is provided with a plug-in port, the outer wall of the electrostatic dust collection barrel body (81) is connected with a connecting pipe (813) communicated with the inside of the electrostatic dust collection barrel body, and the bottom of the connecting pipe (813) is fixedly connected with the plug-in port of the sand dust collection box (82) in an embedded mode through a rubber ring (821).

8. The sand dust test chamber with electrostatic dust collection function according to claim 1, wherein: the front surface of the box body (1) is provided with an observation window (3) for observing a sample; the outer side wall of the sand dust recovery device (5) is provided with a vibrator (4) for avoiding sand dust accumulation.