WO2019029001A1

WO2019029001A1 - Gas purification device

Info

Publication number: WO2019029001A1
Application number: PCT/CN2017/106167
Authority: WO
Inventors: 丁振勇; 李伟亮
Original assignee: 深圳市裕展精密科技有限公司
Priority date: 2017-08-11
Filing date: 2017-10-13
Publication date: 2019-02-14
Also published as: CN206897074U

Abstract

A gas purifying device (100), which is used for purifying gas within a machine (200); the gas purifying device (100) comprises a gas drawing device (11) and a first gas pipe (12), the gas drawing device (11) being used to draw gas within the machine (200) to the first gas pipe (12), and the first gas pipe (12) being provided with a gas outlet so as to discharge the gas; the purification device (100) further comprises a first water pipe (21), a water pump (23), a water tank (24), and a plurality of spray heads (25); the first water pipe (21) is disposed in the first gas pipe (12), and the water pump (23) is connected to the first water pipe (21) and the water tank (24) respectively so as to provide water to the first water pipe (21); the plurality of spray heads (25) are arranged at intervals on the first water pipe (21) so as to spray water mist into the first gas pipe (12) so as to purify the gas that is discharged from the machine (200). The gas purifying device (100) has a simple structure while installation and usage costs are low.

Description

Gas purification device

Technical field

The utility model relates to a purification device, in particular to a gas purification device.

Background technique

During the production process, the machine will produce various harmful gases, such as oil mist, which need to be purified. Existing gas purification devices are complicated in structure and expensive. Moreover, it is necessary to change the filter fittings frequently, and the maintenance cost is high.

Utility model content

In view of the above, it is necessary to provide a gas purifying device having a simple structure.

A gas purifying device for purifying gas in a machine table, the gas purifying device comprising an air extracting device and a first air duct, wherein the air extracting device is configured to draw gas in the machine into the first air duct, The first air duct is provided with an air outlet for discharging the gas, and the purification device further includes a first water pipe, a water pump, a water tank and a plurality of nozzles, wherein the first water pipe is disposed in the first air pipe, and the water pump is respectively connected to the first water pipe And the water tank is configured to supply water to the first water pipe, and the plurality of nozzles are spaced apart from the first water pipe, and a water mist is sprayed into the first air pipe to adsorb and purify the gas removed by the machine.

Further, one end of the first air duct away from the air suction device is connected to a water tank provided at the bottom of the machine platform to return water sprayed by the nozzle to the water tank.

Further, the water tank is further provided with a filter net between the first air duct and the water pumping pipe of the water pump to filter dust or impurities in the water flowing back from the first air duct.

Further, the gas purification device further includes a second duct and a second duct, the The second air pipe is disposed at an air outlet of the first air duct, and the other end of the second air duct is provided with an air outlet extending away from the water tank, and the second water pipe is connected to the first water pipe and extends into the second air pipe. In the air duct, a plurality of the nozzles are also disposed on the second water pipe.

Further, the gas purifying device further includes an air outlet pipe, a baffle plate and a plurality of fixing plates, wherein the air outlet pipe is a frustum-shaped pipe, and one end thereof is connected to an air outlet of the top end of the second air pipe, and the hole of the air outlet pipe is radially away from The second air duct is increased in direction. One end of the plurality of fixing plates is mounted on the inner side wall of the air outlet pipe, and the other end is connected to the baffle. The baffle plate is a circular plate and the diameter thereof is smaller than that at the air outlet pipe. The pore size is such that the gas passes.

Further, the gas purifying device further includes a plurality of fixing rings, each of the fixing rings includes a ring body and a plurality of connecting rods, each of the connecting rods is connected to the first water pipe at one end of the connecting rod, and the ring body is connected to the ring body Resisting on the inner side wall of the first duct.

Further, the three nozzles are in a group, and each group of the nozzles is spaced around the outside of the tube wall of the first water tube and at the same height.

Further, three of the heads of each group are staggered with three of the heads of an adjacent group.

Further, an observation window is disposed on the pipe wall of the first duct.

The gas purifying device of the present invention extracts the gas in the machine table into the first air duct and the second air duct through the air suction device, and sprays the water mist through the liquid supply mechanism to purify the gas. The gas purifying device of the utility model has the advantages of simple structure and low installation and use cost.

DRAWINGS

1 is a perspective view of a gas purifying device and a machine table according to an embodiment of the present invention.

Fig. 2 is a perspective view showing another angle of the gas purifying device shown in Fig. 1.

Figure 3 is a partially exploded perspective view of the gas purifying apparatus of Figure 2.

Figure 4 is a cross-sectional view of the gas purifying apparatus of Figure 2 taken at IV-IV.

Main component symbol description

气体净化装置 Gas purification device	100100
机台 Machine	200200
抽气机构 Pumping mechanism	1010
抽气装置 Air suction device	1111
第一风管 First duct	1212
第二风管 Second duct	1313
弯头 elbow	132132
出气管 Outlet tube	1414
挡板 Baffle	1515
固定板 Fixed plate	1616
观察窗 Observation window	1717
供液机构 Liquid supply mechanism	2020
第一水管First water pipe	21twenty one
第二水管Second water pipe	22twenty two
水泵Water pump	23twenty three
水箱Water tank	24twenty four
过滤网 Filter	241241
喷头Nozzle	2525
固定环 M	2626
环体 Ring body	262262
连接杆Connecting rod	264264

The present invention will be further described in conjunction with the above drawings in the following detailed description.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element or the element. When an element is considered to be "disposed on" another element, it can be either directly disposed on the other element or.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to the invention. The terminology used in the description of the present invention is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and/or" used herein includes any and all combinations of one or more of the associated listed items.

Referring to FIG. 1 , the embodiment provides a gas purification device 100 for purifying gas generated by the machine 200 . In this embodiment, the machine table 200 is a computer numerical control machine tool (CNC), but is not limited thereto. In other embodiments, the machine table 200 may also be a grinding machine, an electric discharge machine tool or the like.

Referring to FIG. 2 together, the gas purifying device 100 includes a pumping mechanism 10 and a liquid supply mechanism 20. The pumping mechanism 10 is connected to the machine table 200 to extract gas from the machine table 200. The liquid supply mechanism 20 is provided in the air suction mechanism 10 to purify the extracted gas.

The air suction mechanism 10 includes an air suction device 11, a first air duct 12, and a second air duct 13. The air extracting device 11 connects the machine table 200 and the first air duct 12. The air pumping device 11 will machine 200 The gas in is drawn into the first duct 12. The second duct 13 is connected to the first duct 12 for further purifying the gas and discharging the purified gas.

Referring to FIG. 3 and FIG. 4 together, the liquid supply mechanism 20 includes a first water pipe 21, a second water pipe 22, a water pump 23, a water tank 24, and a plurality of nozzles 25. The first water pipe 21 is disposed in the first duct 12, and the second water pipe 22 is disposed in the second duct 13 and connected to the first water pipe 21. The water pump 23 is connected to the first water pipe 21 and the water tank 24, respectively, to supply water to the first water pipe 21 and the second water pipe 22. The plurality of heads 25 are provided on the first water pipe 21 and the second water pipe 22, and spray water mist to the first duct 12 and the second duct 13 to adsorb oil mist, dust, and the like in the air.

As a dipole, a water molecule has viscosity due to its uneven charge distribution. The water mist particle size is larger than the oil mist particles, so it has a larger adsorption area and improves the oil mist absorption efficiency. The water droplets that absorb the oil mist fall to the water tank. Because the oil and water are not compatible, the oil stains float on the upper layer of the water tank, and the purpose of removing the oil mist is achieved.

Specifically, the air extracting device 11 is disposed at the top of the machine base 200 and connected to the air outlet of the machine base 200. The first duct 12 is substantially L-shaped, one end of which is connected to the air extracting device 11, and the other end of which is connected to the water tank 24 provided at the bottom of the machine base 200. One end of the second duct 13 is connected to the first duct 12 through an elbow 132. The elbow 132 is adjacent one end of the water tank 24 adjacent to the first duct 12. The other end of the second duct 13 extends vertically to the top of the machine table 200 and is in communication with the atmosphere.

The water tank 24 is disposed on a plane adjacent to the bottom of the machine table 200. The water pump 23 is attached to the side of the water tank 24, and connects the water tank 24 and the first water pipe 21. One end of the first water pipe 21 is connected to the water pump 23, and the other end thereof extends along the first duct 12 to the air extracting device 11. The second water pipe 22 is substantially L-shaped, one end of which is connected to the first water pipe 21, and the other end of which is inserted into the second air duct 13 and slightly lower than the air outlet of the top end of the second air duct 13. The plurality of nozzles 25 are disposed on the first water pipe 21 and the second water pipe 22 for spraying water mist to adsorb oil mist, dust, and the like in the air. Water mist mixed with oil mist and dust forms water droplets falling back into the water tank 24, and oil stains Floating on the surface of the liquid in the water tank 24, the water liquid can be recycled.

In this embodiment, the three spray heads 25 are a group, and each set of spray heads 25 is spaced around the outer side of the pipe wall of the first water pipe 21 or the second water pipe 22 and is at the same height. The three spray heads 25 of each group are staggered with the adjacent three spray heads 25 to expand the spray range of the water mist.

In the present embodiment, the air suction mechanism 10 further includes an air outlet pipe 14, a baffle plate 15, and three fixing plates 16. The air outlet pipe 14 is an approximately frustum-shaped pipe, and one end thereof is connected to the air outlet of the top end of the second air duct 13. The hole of the air outlet pipe 14 increases radially away from the second air duct 13. The baffle plate 15 is a circular plate which is disposed on the air outlet pipe 14 for blocking water mist and the like. The three fixing plates 16 are attached to the inner side wall of the air outlet pipe 14 at one end, and the baffle 15 is connected to the other end. The diameter of the baffle 15 is smaller than the aperture at the outlet pipe 14 to allow gas to pass.

In the present embodiment, the liquid supply mechanism 20 further includes a plurality of fixing rings 26. A plurality of fixing rings 26 are spaced apart from the first water pipe 21 and the second water pipe 22 and abut against the corresponding first air duct 12 or the second air duct 13 for supporting and fixing. Each retaining ring 26 includes a circular ring body 262 and a plurality of connecting rods 264. One end of each connecting rod 264 is connected to the ring body 262, and the other end is connected to the first water pipe 21 or the second water pipe 22. The ring body 262 abuts against the inner side wall of the corresponding first duct 12 or the second duct 13.

In this embodiment, a filter 241 is further disposed in the water tank 24. The filter 241 is located between the first duct 12 and the water pump of the water pump 23 to filter dust and impurities in the water flowing back from the first duct 12.

In this embodiment, an observation window 17 is further disposed on the wall of the first duct 12 and the second duct 13 respectively. When in use, the internal conditions of the first duct 12 and the second duct 13 can be observed through the observation window 17.

In this embodiment, the water tank 24 is further provided with oil absorbing cotton (not shown) to absorb grease.

In the present embodiment, pure water is used in the water tank 24, but is not limited thereto, and is implemented in other embodiments. In the example, a neutralizing agent may be added to the water tank to neutralize the harmful gas, and a cooling liquid may be added to cool the high temperature liquid.

In use, the air extracting device 11 feeds gas into the first air duct 12 from the machine 200, and the gas enters the second air duct 13 along the duct of the first air duct 12, and finally pushes the baffle 15 into the air duct 14 to enter. atmosphere. When the air extracting device 11 draws air, the water pump 23 feeds the water from the water tank 24 into the first water pipe 21 and the second water pipe 22. The plurality of nozzles 25 disposed on the first water pipe 21 and the second water pipe 22 spray water mist, and the water mist mixes the oil mist and the dust and flows back into the water tank 24 along the first air duct 12 or the second air duct 13. The oil is floating above the water surface, and the impurities are filtered by the filter 241, so that the water in the water tank 24 can be recycled.

It can be understood that in other embodiments, the second duct 13 and the second water tube 22 can be eliminated, and a tuyere is opened at the junction of the first duct 12 and the second duct 13 to discharge the gas.

The gas purifying device 100 of the present invention extracts the gas in the machine table 200 through the air extracting device 11 and sends it into the first air duct 12 and the second air duct 13, and sprays the water mist through the liquid supply mechanism 20 to purify the gas. gas. The gas purifying device 100 of the present invention has a simple structure and low installation and use cost.

In addition, those skilled in the art can make other changes in the spirit of the present invention. Of course, the changes made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

A gas purifying device for purifying gas in a machine table, the gas purifying device comprising an air extracting device and a first air duct, wherein the air extracting device is configured to draw gas in the machine into the first air duct, The first air duct is provided with a first air pipe, a water pump, a water tank and a plurality of spray heads, and the first water pipe is disposed in the first air duct, and the water pump is respectively disposed The first water pipe and the water tank are connected to supply water to the first water pipe, and the plurality of nozzles are spaced apart from the first water pipe, and a water mist is sprayed into the first air pipe to adsorb and purify the gas removed by the machine.
The gas purifying apparatus according to claim 1, wherein one end of the first air duct away from the air extracting device is connected to a water tank provided at a bottom of the machine base, so that water sprayed from the spray head is returned to the water tank. .
The gas purifying apparatus according to claim 2, wherein the water tank is further provided with a filter net between the first air duct and the water pumping pipe of the water pump to filter the first air duct. Dust or impurities in the returned water.
The gas purifying device according to claim 2, wherein the gas purifying device further comprises a second duct and a second duct, wherein the second duct is disposed at an air outlet of the first duct, the second The other end of the air duct is provided with an air outlet extending away from the water tank. The second water pipe is connected to the first water pipe and extends into the second air pipe. The second water pipe is also provided with a plurality of the spray heads.
The gas purifying apparatus according to claim 4, wherein the gas purifying device further comprises an air outlet pipe, a baffle plate and a plurality of fixing plates, wherein the air outlet pipe is a frustum-shaped pipe, and one end of the gas pipe is connected to the second air pipe. a gas outlet of the top end of the gas outlet, the hole of the gas outlet pipe is radially away from the second air pipe, and one end of the plurality of fixing plates is attached to the inner side wall of the gas outlet pipe, and the other end is connected to the baffle plate. The sheet has a diameter smaller than the pore diameter at the outlet pipe to allow gas to pass.
A gas purifying apparatus according to claim 1, wherein the gas The cleaning device further includes a plurality of fixing rings, each of the fixing rings includes a ring body and a plurality of connecting rods, each of the connecting rods is connected to the first water pipe at one end, and the other end is connected to the first water pipe. On the inner side wall of a duct.
A gas purifying apparatus according to claim 1, wherein each of said three spray heads is a group, and each of said spray heads is spaced around the outer side of the pipe wall of said first water pipe and at the same height.
A gas cleaning apparatus according to claim 7, wherein three of said heads of each group are staggered with three adjacent ones of said heads.
The gas purifying apparatus according to claim 1, wherein an observation window is provided on a wall of the first duct.