JP4996842B2 - Cyclone-type oil mist collector and clarification equipment for contaminated air using this cyclone-type oil mist collector - Google Patents

Description

  The present invention relates to a single cyclone type oil mist collector in which a blower can be installed and / or connected, and a clarification device for contaminated air using the cyclone type oil mist collector.

  Conventional oil mist collectors of this type mainly have a high-precision filter (industry name: hepa filter, etc.), which is formed by laminating a collision plate and / or trapping plate and a large number of filters in the main casing. The suction part (blower) is provided in the rear part, and from the suction opening established in the main body casing, contaminated air (floating particulate matter such as dust and chips, oil mist, etc. is included. Air) is diffused into fine particles and separated by specific gravity (oil droplets) with a collision plate (and / or trap plate), and filtered and separated with a number of stacked filters, and then a high-precision filter and / or trap plate is formed. Thus, oil droplets and / or separation are reliably achieved, oil is captured and clarified air is generated, and this clarified air is discharged from the main body casing to the outside of the main body. Among these, the following prior arts are conventionally mentioned. Japanese Patent Laid-Open No. 11-285611 “Dedusting / Deodorizing Device” is provided with a deodorizing function that is devised in the flow of the gas phase fluid of the invention (1). Further, there is an “oil mist removing device” disclosed in Japanese Patent Application Laid-Open No. 10-216437 characterized in that it is possible to change the position of the filter of the invention (2) as appropriate, thereby facilitating replacement of the filter. However, since the inventions (1) and (2) of this type are mainly made of filters, for example, maintenance management for avoiding occurrence of clogging and / or performance degradation is difficult. The post-processing of this filter requires costs, and there are problems such as environmental destruction associated with the post-processing of this filter.

  From the above, oil mist collectors that are said to be maintenance-free, such as eliminating clogging and facilitating maintenance management, are commercially available. As an example, Document (1) is Japanese Patent Laid-Open No. 2001-221200 published on August 17, 2001, and the name of the present invention is “Floating Particulate Matter Capture Device”. The present invention is a floating particulate matter trapping device provided with a trapping intake fan that rotates by driving a motor, and the floating particulate matter trapping device is a louver type provided sequentially from the suction side toward the exhaust side. A pre-stage filter which is arranged on the suction side where an airflow impingement plate and a metal mesh filter made of a metal mesh are provided, and a filter cleaning nozzle for injecting cleaning water to the metal mesh filter is provided, and for pre-filtering It is composed of a device, a fan filter, and an agglomeration catching fan device in which a large number of fins are arranged radially between disk-shaped front and rear plates provided behind the device, and a large number of catching wires are implanted between the fins. To do. Its feature is that it has a filter cleaning nozzle that sprays cleaning water on the metal mesh filter of the pre-stage filter device, so that it can prevent clogging of the filter and trap suspended particulate matter well. The provision of equipment. Reference (2) is Japanese Patent Laid-Open No. 7-232022 published on September 5, 1995, and the name of the present invention is “oil mist removing device”. The present invention discharges oil mist that has been made into oil droplets in an oil mist removing apparatus that separates oil mist and suspended particulate matter and / or air by sucking contaminated air from the rectifying chamber into the separation chamber via a fan. For this purpose, there is provided a discharge port formed in the separation chamber and a circulation port formed in the rectification chamber for sucking contaminated air discharged from the discharge port, and the discharge port and the circulation port are communicated with each other. The circulation channel is formed, and its features are that oil mist removal efficiency in the rectifying chamber is achieved and that the frequency of cleaning work in the separation chamber can be reduced.

  In order to clarify the air and / or to effectively use the processing liquid while separating the mist from the suspended particulate matter, the present applicant needs to incorporate a new mechanism that abandons the existing concept. Proposing a cyclone method. As a separation mechanism that employs this cyclone method, the following document (3) is disclosed in Japanese Patent Laid-Open No. 7-289951 published on November 7, 1995, and the name of this invention is “Cyclone Filter”. is there. The invention comprises a plurality of individual cyclone members with a common inlet chamber and a common separation chamber, and each two tangential supply tubules between the inlet chamber and the swirl chamber of the cyclone member In addition, the cyclone member is arranged so as to obtain a high degree of symmetry based on the principle of mirror image including the wall of the common separation chamber. In addition, the present invention intends to propose a cyclone filter having a configuration capable of separating particles having a particle diameter smaller than about 1 μm from a dust-containing gas. Reference (4) is Japanese Patent Application Laid-Open No. 10-384 published on January 6, 1998, and the name of the present invention is “Cyclone-type dust collector”. In this invention, in the cyclone type dust collector consisting of an outer cylinder and an inner cylinder that separates clean gas from dust-containing gas, the swirling speed of the downward swirling flow is rapidly reduced by expanding the cross-sectional area of the outer cylinder, In addition, it is configured using means for extending the lower end of the inner cylinder to a place where the descending swirl flow becomes slow, and the characteristic feature thereof is a cyclone type collector with a small collection limit particle diameter and high dust collection efficiency. It is intended to provide a dust device or to provide a highly efficient dust collector with low pressure loss.

JP 2001-221200 A Japanese Patent Application Laid-Open No. 7-232022 JP-A-7-289951 JP-A-10-384

  Document (1) is a configuration in which clogging is eliminated by providing a filter cleaning nozzle for injecting cleaning water to the metal mesh filter of the pre-stage filter device, and a certain effect can be expected. However, a new device is required for the treatment of water, and the structure is complicated and the maintenance is difficult. Further, this document (1) has a configuration in which a large number of fins are arranged radially between disk-shaped front and rear plates, and a large number of capture wires are implanted between the fins. Accordingly, the structure is complicated, the cost is increased, and the maintenance is difficult.

  Next, since Document (2) has a configuration in which a detour-shaped (staggered) suction side felt is provided in a rectifying chamber provided on the suction side, contamination of the suction felt and / or the collection plate is remarkable. There are many problems to be solved such as maintenance management and increase in replacement frequency. And it is thought that a problem remains in order to separate and capture the oil mist and suspended particulate matter intended by the present invention.

  Further, Document (3) is a multi-cyclone system, which is intended to collect dust-containing gas (exhaust gas) and adopts this multi-cyclone and / or finely adjusts the gas flow rate. Therefore, since it requires extremely precise and precise operation, it is a configuration that is not compatible with an oil mist collector that continuously receives and processes contaminated air containing oil mist from a processing machine intended by the present invention. .

  Reference (4) is a cyclone system, and is a configuration in which the flow rate of the introduced dust-containing gas is reduced by using, for example, a diameter-enlarged portion and the specific gravity is separated. Therefore, although rough separation is possible, this configuration is not compatible with an oil mist collector that randomly receives and processes contaminated air containing oil mist from a processing machine intended by the present invention.

  The invention of claim 1 proposes a processing device for a filterless oil mist collector, and proposes a processing device for the oil mist collector, thereby eliminating various adverse effects related to the processing of the filter and protecting the environment or resources. It is intended to make effective use of. In addition, the contaminated air (processing target air) from the processing machine is separated, trapped suspended particulate matter and / or oil is recovered, and clarified air is generated and the recovered oil is reused. Intended.

Claim 1 is provided with a suction port on the suction side, an exhaust port on the exhaust side, a waste box having a structure for collecting foreign matter such as oil and chips on the bottom , and a chamber for exhausting clarified air on the exhaust side. Collision with a large number of intervals allowing the passage of air containing contaminants such as oil and / or chips from the main body and the processing machine sucked from the suction side suction port provided in the main body in order. And a structure including a plurality of perforated plates provided at appropriate intervals that allow passage of air that has passed through the impingement plate, and a plurality of cyclones that allow passage of air that has passed through the perforated plate, A pretreatment device for an oil mist collector configured to provide a chamber provided on the exhaust side for discharging treated clarified air that has passed through a plurality of cyclones in a waste box ,
A casing having a suction port and a discharge port communicated with the pretreatment device via a pipe, a filter provided in the casing, a number of runners provided with rectifying blades, and a motor for driving the runners And the blower
It is a cyclone type oil mist collector constituted by .

  The invention of claim 2 is intended to achieve the object of claim 1, to provide an arrangement structure of a pretreatment device for an oil mist collector that is optimal for achieving the object.

  A second aspect of the present invention is a cyclone type oil mist collector configured to set the pretreatment device for the oil mist collector according to the first aspect above a blower.

  The inventions of claims 3 and 4 are intended to achieve the object of claim 1 and to provide an oil mist collector pretreatment device optimal for achieving the object.

  Claim 3 employs an inner and outer cyclone system for the cyclone provided in the pretreatment device for the oil mist collector according to claim 1, and provides a guide expansion passage portion below the partition wall of the outer cyclone, A cyclonic oil mist with a cyclone inlet in the upper tangential direction, a cyclone oil outlet at the lower end of the inner cyclone, and a clarified air outlet through a focusing tube at the upper end It is a collector.

  According to a fourth aspect of the present invention, the collision plate provided in the pretreatment device for the oil mist collector according to the first aspect is arranged with a collision plate made of substantially angle irons in order at an appropriate interval in plan view. The cyclone type oil mist collector is configured such that the collision plate material having the same shape is provided, and at least the collision plate material provided adjacent thereto is erected so as to cover the interval.

  The invention of claim 5 achieves the object of claim 1, achieves this object, improves the performance of the blower, achieves final separation, exhausts the clarified air gently, and at least improves the working environment of the factory. It is intended to contribute to

  According to a fifth aspect of the present invention, there is provided a cyclone type oil mist collector having a sound absorbing box and / or a muffler box provided in the blower according to the first aspect.

  The invention of claim 6 achieves the object of claim 1, clarifies the polluted air discharged from the processing machine of the factory, exhausts it into the factory, and separates the separated oil with this processing machine again. Intended for use. The invention of claim 6 is intended to maintain the environment of the factory, reuse resources, maintain the global environment, and the like.

  According to a sixth aspect of the present invention, a pipe provided at an exhaust port of the pretreatment device for the oil mist collector according to the first aspect is connected to a blower, and a suction port of the pretreatment device for the oil mist collector is connected to the processing machine via the pipe. It is a clarification device of polluted air using a cyclone type oil mist collector configured to be connected to.

  The invention of claim 7 is intended to achieve the object of claim 6 and to provide a cyclone structure provided in an oil mist collector pretreatment device and / or processing machine optimal for achieving this object. To do.

  Claim 7 is a configuration in which the suction port of the pretreatment device for the oil mist collector according to claim 6 is connected to a processing machine through a pipe, and a cyclone is attached to the suction side of the pipe, It is a clarification device of contaminated air using a cyclone type oil mist collector configured to be connected to this processing machine.

The invention of claim 1 has a suction port on the suction side, an exhaust port on the exhaust side, a waste box having a structure for collecting foreign matter such as oil and chips on the bottom , and a chamber for exhausting clarified air on the exhaust side. Collisions with a number of intervals allowing the passage of air containing contaminants such as oil and / or chips from the main body provided and the processing machine sucked in from the suction port provided in the main body in order. And a structure having a plurality of perforated plates provided at appropriate intervals to allow passage of air that has passed through the impingement plate, and a plurality of cyclones that allow passage of air that has passed through the perforated plate, and a disposal box A pretreatment device for an oil mist collector configured to provide a chamber provided on the exhaust side for discharging treated clarified air that has passed through a plurality of cyclones,
A casing having a suction port and a discharge port communicated with the pretreatment device via a pipe, a filter provided in the casing, a number of runners provided with rectifying blades, and a blower comprising a motor for driving the runners ,
It is a cyclone type oil mist collector constituted by .

  Accordingly, claim 1 proposes a filterless oil mist collector treatment device, and can propose this oil mist collector treatment device, thereby eliminating various problems associated with filter treatment, environmental protection, or resource conservation. There are features such as effective use. Also, contaminated air (processing target air) from processing machines can be separated, trapped particulate matter and / or oil can be recovered, clarified air can be generated, and recovered oil can be reused. There are real benefits. In addition, by adopting the mounting structure, there are features such as compactness of the apparatus and effective use of factory space.

  The invention of claim 2 is a cyclone type oil mist collector configured to set the pretreatment device of the oil mist collector according to claim 1 above the blower.

  Accordingly, the second aspect is characterized in that the object of claim 1 can be achieved, and an arrangement structure of the pretreatment device for the oil mist collector that is optimal for achieving the object can be provided.

  According to a third aspect of the present invention, the cyclone provided in the pretreatment device for the oil mist collector according to the first aspect adopts an inner / outer cyclone system, and a guide expansion passage portion is provided below the partition wall of the outer cyclone. The cyclone oil mist is configured to open a cyclone inlet in the upper tangential direction, open a cyclone oil outlet at the lower end of the inner cyclone, and open a clarified air outlet through a focusing tube provided at the upper end. It is a collector.

  According to a fourth aspect of the present invention, the collision plate provided in the pretreatment device of the oil mist collector according to the first aspect is provided with a collision plate material of substantially angle irons sequentially arranged at an appropriate interval in plan view. This is a cyclone type oil mist collector in which collision plate members having the same shape are provided and at least adjacent collision plate members are erected so as to cover the interval.

  Therefore, claims 3 and 4 are characterized in that the object of claim 1 can be achieved, and that an oil mist collector pretreatment device optimal for achieving this object can be provided.

  A fifth aspect of the present invention is a cyclonic oil mist collector having a structure in which a sound absorption box and / or a sound deadening box is provided in the blower according to the first aspect.

  Accordingly, claim 5 can achieve the object of claim 1, achieve this object, improve blower performance, achieve final separation, exhaust the clarified air gently, and at least improve the working environment of the factory. There are features such as being able to contribute.

  According to a sixth aspect of the present invention, the piping provided at the exhaust port of the pretreatment device for the oil mist collector according to the first aspect is connected to the blower, and the suction port of the pretreatment device for the oil mist collector is processed through the piping. It is a clarification device for contaminated air using a cyclone type oil mist collector connected to the machine.

  Therefore, claim 6 achieves the object of claim 1 and clarifies the polluted air discharged from the factory processing machine and exhausts it into the factory and uses the separated oil again in this processing machine. There are features such as what can be done. In addition, the invention of claim 6 has practical benefits such as the environmental maintenance of the factory, the reuse of resources and the maintenance of the global environment.

  The invention of claim 7 is a configuration in which the suction port of the pretreatment device of the oil mist collector according to claim 6 is connected to the processing machine via a pipe, and a cyclone is attached to the suction side of the pipe, It is a clarification device of contaminated air using a cyclone type oil mist collector configured to be connected to a processing machine via

  Therefore, claim 7 is characterized in that the object of claim 6 can be achieved, and the pretreatment device and / or the cyclone structure provided in the processing machine can be provided that is optimal for achieving the object. .

An example of the present invention will be described.
First, the drawings will be explained. FIG. 1 is a schematic side view showing an entire clarification apparatus for contaminated air using an oil mist collector, FIG. 2 is a schematic side view showing the entire oil mist collector, and FIG. 2 is a schematic front view showing a part of the front view of FIG. 2 as a cross section, FIG. 4 is a schematic front view showing the main part of FIG. 3 as a cross section, and FIG. 5 is a schematic plan view of a pretreatment device for an oil mist collector. FIG. 6 is a schematic side view of the pretreatment device for the oil mist collector.

  The present invention is roughly classified into an oil mist collector pretreatment device A, a blower B connected to the oil mist collector pretreatment device A, and a processing machine C connected to the oil mist collector pretreatment device A. Constitute.

  First, the oil mist collector pretreatment apparatus A will be described. In the figure, reference numeral 1 denotes a main body having a substantially box shape, and the center (in front view) and / or the middle (side view) of the suction side 100 of the main body 1. A suction port 2 is provided. An exhaust port 3 is provided at the center (as viewed from the back) and / or above (as viewed from the side) of the exhaust side 101 of the main body 1. The main body 1 is provided with members in the following order from the suction side 100 toward the exhaust side 101. First, one or a plurality of collisions to be subjected to a second treatment having a plurality of detachable holes that allow passage of contaminated air containing contaminants such as oil and / or chips from the processing machine C A plate 5, one or a plurality of perforated plates 6 such as punching, mesh, nets, etc. provided at appropriate intervals for performing the third treatment on the second treated air, and the third treated air A plurality of cyclones 8 for performing a fourth treatment on the air and a chamber 10 provided on the exhaust side 101 for discharging the fourth treated clarified air are provided. In the figure, 11 is a waste box provided in the pretreatment unit 1a, and 12 is a waste box provided in the post-processing unit 1b, which can be pulled out and has drain pipes 11a and 12a.

  Next, each member will be described in detail. The collision plate 5 has a substantially angled steel collision plate material 500a sequentially arranged at an interval 501a in plan view on the suction side 100, and adjacent to this on the exhaust side 101. Collision plate members 500b having the same shape are provided side by side at appropriate intervals 501b (multiple holes are provided), adjacent collision plate members 500a are erected so as to cover the interval 501a, and the interval 501b is sucked It is set as the structure located in the trough part of the collision board | plate material 500a of the side 100. FIG. Then, while diffusing into fine particles due to the collision of contaminated air through the alternately arranged collision plate members 500a and 500b, the speed reduction and / or bypass flow path 502 promotes oil droplet formation and residence time. By securing it, the separation process and / or capture of the suspended particulate matter is attempted.

  Further, in this example, a plurality of perforated plates 6 provided with means for allowing passage of air such as a large number of holes and slits that are detachably provided at appropriate intervals 600 are set as a pair, and a relatively wide interval 601 is provided therebetween. Narrow spacing 602 (relative to wide spacing 601) is provided side by side or separately as necessary, for example, to promote oil droplet formation and to secure the residence time, and to separate the suspended particulate matter in the previous stage and / or Alternatively, it can be used for improving the efficiency of the capturing process. Although not shown in the figure, the porous plate 6 is formed with a number of burring-shaped holes, and the above-described deceleration and / or bypass flow path 502 promotes oil droplet formation and ensures a residence time, thereby floating particles. It is also possible to separate and / or trap objects. Of course, it is desirable to integrate these wide spacing 601, narrow spacing 602 and / or burring to achieve the overall effect. Then, the contaminated air passes through the plurality of perforated plates 6 so that the third processing is performed, and the processed air is sent to the plurality of cyclones 8 that perform the next fourth processing. . Further, a part of the separated chips, dust or oil reaches the disposal box 11 at the bottom, and the oil is always discharged and / or reused to a predetermined place through the drain pipe 11a.

  The plurality of cyclones 8 (referred to as cyclones 8) have a volume of approximately 3/2 in the substantially height direction of the exhaust side 101 of the main body 1, and a chamber 10 for exhausting clarified air is provided above the cyclone 8. A clarified air discharge port 1001 provided at the bottom 1000 of the exhaust chamber 10 communicates with the cyclone outlet 800 (focusing tube) of the cyclone 8. The cyclone 8 is defined as inner and outer cyclones 8a and 8b, which are partitioned through a partition wall 801 of the outer cyclone 8b, and a passage 802 for passing a third treated air is formed between the partition walls 801, and A wide guide expansion passage portion 802a is formed in the lower portion of the passage 802. Here, the flow of the third treated air will be described. Above the partition wall 801 of the outer cyclone 8b via the passage 802 and / or the guide expansion passage portion 802a (mainly the guide expansion passage portion 802a). It reaches the inner cyclone 8a from the tangential direction through the provided cyclone inlet 803. With this inner cyclone 8a, the first separation / separation process and / or the trapping of suspended particulate matter such as slightly remaining chips and the convergence of oil can be achieved. And this oil is collect | recovered by the waste box 12 of the lower part from the cyclone oil discharge port 804 of the inner side cyclone 8a.

  Next, the blower B will be described. Reference numeral 15 denotes a casing. The casing 15 has a suction port 16 and an exhaust port 17. The inside of the casing 15 is composed of a sound absorbing material 18 (may be omitted in an example in which a silencer box to be described later is provided) and one or several runners 19 provided with rectifying blades from the suction side. A passage 20 is formed between the runners 19. If necessary, the suction side (front side) of the suction port 16 is provided with a sound deadening box 23 in the sound absorption box 22 and / or the exhaust port 17, and processed air sent to the blower B by this sound absorption box 22 (air passing through the pretreatment device) ), And the silence air from the exhaust port 17 of the blower B is silenced by the silence box 23. The air flow in the blower B and / or the sound absorption box 22 and the muffler box 23 is indicated by arrows. The sound absorption box 22 includes air layers 2200 and 2201 in the front and rear, and a filter 2202 in the middle thereof, and the exhaust side communicates with the suction port 16. The sound deadening box 23 includes a sound absorbing material 2300 and is provided with a discharge port 2301, and the suction side communicates with the exhaust port 17. In the figure, reference numeral 25 denotes a blower B motor. Reference numeral 26 denotes a pipe that communicates the suction port 16 and the exhaust port 3 of the pretreatment device A of the oil mist collector.

  Next, the mechanism related to the processing machine C will be described. The processing machine C has a discharge port 30 for contaminated air, and the discharge port 30 opens in the tangential direction of the cyclone 33 () via the pipe 31. It is connected to the suction port 3300. The cyclone 33 has an inner cylindrical cyclone outlet 3301 provided via an inner wall and a gap, and a lower side of the cyclone outlet 3301 has an inner cylindrical portion 3302 made of a punching material having substantially the same diameter. A swirl passage 3303 is formed between the inner cylindrical portion 3302 and the inner wall, and imparts a swirl force to the contaminated air flowing in from the suction port 3300. In the figure, reference numeral 35 denotes a discharge port of the cyclone 33, and a pipe 36 connected to the discharge port 35 is connected to the suction port 2 of the main body 1 of the pretreatment device A of the oil mist collector described above. In the figure, 38 is a chip processing lid provided inside the processing machine C. Although not shown, the cyclone 33 is provided with a waste box such as dust and chips. The inner cylinder portion 3302 is detachable from the main body of the cyclone 33. Of course, the cyclone 33 is detachable from the processing machine C.

  The operation of the separation and / or trapping of suspended particulate matter and oil by the clarified device of contaminated air using the cyclone type oil mist collector adopting the above configuration will be described. From the discharge port 30 of the processing machine C The exhausted polluted air reaches the inside of the suction port 3300 provided in the tangential direction of the cyclone 33 via the pipe 31 and becomes a swirling flow in the swirling passage 3303 to separate floating particulate matter such as chips from oil. The first process is performed. Most of the air subjected to the first treatment is led to the pretreatment device A of the oil mist collector via the cyclone outlet 3301 and the pipe 36. Although not shown, this processing machine C is provided with a box for collecting suspended particulate matter and / or oil. And the air of the 1st process guide | induced to the pre-processing apparatus A of this oil mist collector has the main body substantially horizontal direction from the suction inlet 2, The one part is spread | diffused and it follows the inner surface of the main body 1. The second process described above is performed on the collision plate 5. This second treated air is then subjected to the third treatment described above with the perforated plate 6. This third treated air reaches the cyclone inlet 803 at a height of about 2/3 from the substantially bottom of the main body 1, and after the fourth treatment is performed, the upper part of the exhaust side 101 of the main body 1 is It is sent to the next blower C via the chamber 10 provided in. Therefore, the air flow efficiently flows in the main body 1, which helps to improve the efficiency of separation and / or trapping of the intended suspended particulate matter, and enables efficient oil collection, which is extremely beneficial. is there. Then, the fourth treated air is supplied from the pipe 26 connected to the exhaust port 3 of the pretreatment device A of the oil mist collector through the suction port of the sound absorption box 22 through the air layer 2200, the filter 2202 and / or the air layer 2201. Leading to further separation and / or capture. The air purified by the runner 19 provided in the blower B is silenced from the exhaust port 17 of the blower B by the silencer box 23, and then the discharge port provided in the silencer box 23. From 2301, it is exhausted into the factory.

FIG. 1 is a schematic side view showing the entire clarification device for contaminated air using an oil mist collector. Fig. 2 is a schematic side view showing the entire oil mist collector. FIG. 3 is a schematic front view showing a part of the front view of FIG. 2 as a cross section. FIG. 4 is a schematic front view showing the main part of FIG. 3 as a cross section. FIG. 5 is a schematic view of the oil mist collector pretreatment device in plan view. Fig. 6 is a schematic diagram of the oil mist collector pretreatment device viewed from the side.

A Oil mist collector pretreatment device B Blower C Processing machine 1 Main body 1a Pretreatment portion 1b Posttreatment portion 100 Suction side 101 Exhaust side 2 Suction port 3 Exhaust port 5 Collision plate 500a Collision plate material 500b Collision plate material 501a Interval 501b Interval 502 Detour Passage 6 Perforated plate 600 Interval 601 Wide interval 602 Narrow interval 8 Cyclone 8a Inner cyclone 8b Outer cyclone 800 Cyclone outlet 801 Partition 802 Passage 802a Inductive expansion passage part 803 Cyclone inlet 804 Cyclone oil outlet clearing part 10 Chamber 1000 11 Waste box 11a Drain pipe 12 Waste box 12a Drain pipe 15 Casing 16 Suction port 17 Exhaust port 18 Sound absorbing material 19 Runner 20 Passage 22 Sound absorbing box 2200 Air layer 220 DESCRIPTION OF SYMBOLS 1 Air layer 2202 Filter 23 Silencer box 2300 Sound absorption material 2301 Discharge port 25 Motor 26 Piping 30 Discharge port 31 Piping 33 Cyclone 3300 Suction port 3301 Cyclone exit 3302 Inner cylinder part 3303 Swirling path 35 Discharge port 36 Piping 38 Chip processing cover

Claims (7)

A main body equipped with a suction port on the suction side, an exhaust port on the exhaust side, a waste box having a structure for collecting foreign matter such as oil and chips on the bottom , a chamber for exhausting clarified air on the exhaust side, and Collision plates having a number of intervals allowing the passage of air containing oil and / or contaminants such as chips from the processing machine sucked in from the suction side suction port provided in this body in order, and a plurality of perforated plates disposed at appropriate intervals to allow the passage of air passing through the impingement plate, and, with a structure in which a plurality of cyclones which permits the passage of air passing through the perforated plate, in this waste box, a plurality An oil mist collector pretreatment device configured to provide a chamber provided on the exhaust side for discharging treated clarified air that has passed through the cyclone;
A casing having a suction port and a discharge port communicated with the pretreatment device via a pipe, a filter provided in the casing, a number of runners provided with rectifying blades, and a motor for driving the runners And the blower
A cyclone type oil mist collector configured by   A cyclonic oil mist collector configured to set the pretreatment device for an oil mist collector according to claim 1 above a blower.   The cyclone provided in the pretreatment device of the oil mist collector according to claim 1 adopts an inner and outer cyclone system, and provides a guide expansion passage portion below the partition wall of the outer cyclone, and in a tangential direction on the upper side. A cyclone oil mist collector that has a cyclone inlet, a cyclone oil outlet at the lower end of the inner cyclone, and a clarified air outlet through a focusing tube at the upper end.   The collision plate provided in the pretreatment device for an oil mist collector according to claim 1 is provided with a collision plate material of substantially angle irons sequentially arranged at appropriate intervals in plan view, and adjacent to the collision plate material having the same shape. And a cyclone type oil mist collector in which at least the adjacent collision plate material is erected so as to cover the interval.   A cyclonic oil mist collector having a structure in which a sound absorbing box and / or a sound deadening box are provided in the blower according to claim 1.   A configuration in which a pipe provided at an exhaust port of the pretreatment device for the oil mist collector according to claim 1 is connected to a blower, and a suction port of the pretreatment device for the oil mist collector is connected to a processing machine via the piping; Contaminated air clarifier using a cyclone type oil mist collector.   A suction port of a pretreatment device for an oil mist collector according to claim 6 is connected to a processing machine via a pipe, and a cyclone is attached to the suction side of the pipe, and the processing machine is connected via the cyclone. Contaminated air clarifier using cyclone type oil mist collector connected to

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