CN213468216U

CN213468216U - Purifier of oil mist clarifier

Info

Publication number: CN213468216U
Application number: CN202022304616.1U
Authority: CN
Inventors: 胡清
Original assignee: Suzhou Miwu Environmental Protection Technology Co ltd
Current assignee: Suzhou Miwu Environmental Protection Technology Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-18
Anticipated expiration: 2030-10-16

Abstract

The utility model relates to an oil mist clarifier's purifier, it is including being used for carrying out the filter part of preliminary interception filtering to the oil mist, having the two-stage electrostatic field at least and set up in filter part and electrostatic field lower part and form the greasy dirt collecting element of anti negative pressure. On one hand, the utility model has strong adsorption and filtration capacity of the electrostatic field and high purification efficiency of more than 99 percent under the combined filtration of the filter component and the multistage electrostatic field, and meanwhile, the oil mist passes through the electric field formed by the parallel electrode plates, and the wind resistance is small; on the other hand, the negative pressure resistant oil stain collecting component is arranged, so that the oil stains separated into the oil collecting tank can be effectively prevented from entering the gas again due to the negative pressure generated by the exhaust device in the oil mist purifying area, the collection of the oil stains is facilitated, and the purifying quality and the purifying efficiency of the electrostatic field can be further improved.

Description

Purifier of oil mist clarifier

Technical Field

The utility model belongs to the oil mist field of purifying, concretely relates to purifier of oil mist clarifier.

Background

In the actual production operation in-process, production facility (processing equipment such as common machine tool machining center, spring heat treatment) often can produce a large amount of oil mist that contains, if the oil mist directly empties, not only cause very big threat to operating personnel's personal health, and the oil mist bonds on the production facility surface very easily with production facility contact back, cause the sanitary environment of whole workshop poor like this, and also can cause production facility's corruption, consequently, general producer, all can concentrate the purification to the gas that production facility produced.

At present, the most common method for purifying oil mist is an electrostatic field (generally, multi-stage treatment), oil mist is separated from oil particles and gas through the electrostatic field, oil stains are collected, and gas is extracted. Therefore, there are the following technical drawbacks:

1. in the purification treatment of the one-stage or multi-stage electrostatic field, once the oil mist contains large-diameter particles and impurities, the adsorption and filtration capacity of the electrostatic field is weakened, the wind resistance is large, and the flowability of the gas in the multi-stage electrostatic field is poor, so that the purification treatment efficiency is low, the quality of the purified exhaust gas is poor, and the oil stain particles are still contained;

2. the granule in the oil mist is adsorbed the back at the electrostatic field, and the oil collecting tank of greasy dirt pile meeting drippage to the below, however, whole purification treatment process all is in the negative pressure state, consequently, takes place the phenomenon that the greasy dirt was taken out by the negative pressure very easily, so not only influences the purifying effect, reduces purification efficiency, clears up moreover and collects the greasy dirt also very inconvenient.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art not enough, provide a purifier of modified oil mist clarifier.

For solving the technical problem, the utility model discloses a following technical scheme:

a purifying device of an oil mist purifier is positioned between an air inlet device and an air exhaust device of the oil mist purifier and comprises an electrode plate and a conductive rod which form an electrostatic field,

particularly, the electrostatic fields have at least two stages, and are sequentially arranged from the air inlet device to the air exhaust device, wherein the voltage provided by each stage of electrostatic field is gradually reduced, the oil mist sequentially flows between two electrode plates of each stage of electrostatic field, the electrode plates of each stage of electrostatic field are arranged in parallel, charged particles in the oil mist are adsorbed by the electrode plates, and the purified gas is exhausted from the air exhaust device;

the purification device also comprises a filter component and an oil stain collecting component, wherein the filter component is positioned between the electrostatic field and the air inlet device and is used for preliminarily intercepting and filtering the oil mist, and the oil stain collecting component is arranged at the lower parts of the filter component and the electrostatic field and forms negative pressure resistance.

Preferably, the electrostatic fields have two stages, namely a primary electrostatic field and a secondary electrostatic field, wherein the voltage provided by the primary electrostatic field is greater than or equal to 12KV, and the voltage provided by the secondary electrostatic field is greater than or equal to 6 KV.

Specifically, the distance between the electrode plates constituting the primary electrostatic field is d1, and the distance between the electrode plates constituting the secondary electrostatic field is d2, wherein d1 > d 2.

In this example, d1 is 40 to 50mm, d2 is 5 to 10mm, and the best condition is: d1 is 46mm and d2 is 7.5 mm.

According to a specific implementation and preferred aspect of the utility model, the filter component is the stainless steel filter screen, and wherein the mesh number of stainless steel filter screen mesh is 40~80 meshes. The stainless steel filter screen is made of a woven metal wire mesh and is used for blocking large-diameter particles and impurities.

Specifically, the mesh number of the stainless steel filter screen is 50 meshes.

In this case, the stainless steel filter screen can be dismantled and set up, so, be convenient for wash the stainless steel filter screen, wash once about a month in general to ensure the performance of just straining.

According to the utility model discloses a still another concrete implementation and preferred aspect, filter element and electrostatic field constitute the oil mist purifying area, greasy dirt collecting element includes the sump oil tank, from the peripheral sealed mesh board that just intercepts the setting in the oil mist purifying area bottom, wherein exhaust device's fan air intake is located the side top of mesh board, plate electrode and filter element are located the top of mesh board, the lower tip of plate electrode is located the side below of fan air intake and is close to the mesh board setting, the sump oil tank is connected in the bottom of mesh board from the open-top, from the sump oil tank of mesh dropping to the below on the mesh board of electrode plate drippage. The mesh plate arranged between the oil collecting tank and the oil mist purification area is intercepted, so that the oil stain separated into the oil collecting tank can be effectively prevented from entering the gas again due to the negative pressure generated in the oil mist purification area by the exhaust device, and the purification quality and the purification efficiency are greatly improved; meanwhile, the oil stain collector is convenient to collect and clean oil stains, and has a simple structure and low cost.

Preferably, the two-stage or multi-stage electrostatic field is erected on a mesh plate, the electrode plate is perpendicular to the mesh plate, the mesh plate comprises a plate body, meshes which penetrate through the plate body up and down are formed on the plate body, and the mesh distribution area is aligned with an area corresponding to an opening at the top of the oil collecting tank.

Preferably, the oil collecting tank comprises a tank bottom and tank side walls, wherein the tank bottom and the tank side walls form an oil collecting cavity with an upward opening, the mesh plate is horizontally arranged at the top of the oil collecting cavity, and the tank bottom is obliquely arranged.

In addition, the oil stain collecting component also comprises an oil drainage pipeline communicated with the oil collecting cavity. Thus facilitating the discharge of oil stains.

Preferably, the oil drain line includes an oil drain pipe communicating with the tank side wall from a lower portion of the oil collecting chamber and an oil drain valve provided on the oil drain pipe.

Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:

on one hand, the utility model has strong adsorption and filtration capacity of the electrostatic field and high purification efficiency of more than 99 percent under the combined filtration of the filter component and the multistage electrostatic field, and meanwhile, the oil mist passes through the electric field formed by the parallel electrode plates, and the wind resistance is small; on the other hand, the negative pressure resistant oil stain collecting component is arranged, so that the oil stains separated into the oil collecting tank can be effectively prevented from entering the gas again due to the negative pressure generated by the exhaust device in the oil mist purifying area, the collection of the oil stains is facilitated, and the purifying quality and the purifying efficiency of the electrostatic field can be further improved.

Drawings

Fig. 1 is a schematic structural view of a purifying device of the oil mist purifier (part of the outer shell is removed);

FIG. 2 is a schematic front view of FIG. 1;

FIG. 3 is a schematic view of the oil dirt collecting means of FIG. 2;

wherein: x, an air intake device; y, an exhaust device; f. an air inlet of the fan;

1. a filter member; 2. a first-order electrostatic field; 3. a secondary electrostatic field; b. an electrode plate; d. a conductive rod; q, an oil mist purification area; 4. an oil collecting member; 40. an oil collecting tank; 400. the box bottom; 401. a tank sidewall; j. an oil collecting cavity; 41. a mesh plate; 410. a plate body; 411. mesh openings; 412. a plug-in part; 42. an oil discharge pipeline; 420. an oil discharge pipe; 421. an oil discharge valve.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1, the purifying device of the oil mist purifier of the present embodiment is located between the air intake device x and the air exhaust device y of the oil mist purifier.

Referring to fig. 2, the purifying apparatus includes a filtering part 1, a primary electrostatic field 2, a secondary electrostatic field 3, and an oil collecting part 4.

Specifically, the filter element 1 is a stainless steel filter screen, wherein the mesh number of the stainless steel filter screen is 50 meshes. The stainless steel filter screen is made of a woven metal wire mesh and is used for blocking large-diameter particles and impurities.

The primary electrostatic field 2 and the secondary electrostatic field 3 are conventional structures in the field, and each of the primary electrostatic field and the secondary electrostatic field comprises an electrode plate b and a conducting rod d, wherein the electrode plate b is made of aviation-grade aluminum alloy.

In this example, the first-stage electrostatic field 2 and the second-stage electrostatic field 3 are sequentially arranged from the air intake device x to the exhaust device y, wherein the voltage provided by each stage of electrostatic field is gradually reduced, the oil mist sequentially flows between two electrode plates of each stage of electrostatic field, the electrode plates of each stage of electrostatic field are arranged in parallel, charged particles in the oil mist are adsorbed by the electrode plates, and the purified gas is discharged from the exhaust device.

Specifically, the distance between two adjacent electrode plates b of the primary electrostatic field 2 is 46mm, and the voltage provided by the primary electrostatic field 2 is equal to 12 KV; the distance between two adjacent electrode plates b of the secondary electrostatic field 3 is 7.5mm, and the voltage provided by the secondary electrostatic field 3 is equal to 6 KV.

The filter member 1 and the electrostatic field form an oil mist purifying region q, and the oil collecting member 4 includes an oil collecting tank 40, a mesh plate 41, and an oil discharge pipe 42 communicating with the oil collecting tank 40.

Specifically, the oil collection tank 40 includes a tank bottom 400 and tank side walls 401, wherein the tank bottom 400 and the tank side walls 401 form an oil collection chamber j with an upward opening.

In this example, the bottom 400 is inclined and the angle between the bottom 400 and the horizontal plane is 20 °. Due to the arrangement, oil stains in the oil collecting tank can be conveniently led out.

In this example, the mesh plate 41 includes a plate body 410 which is sealed from the periphery and is intercepted at the bottom of the oil mist cleaning region q, wherein mesh openings 411 which communicate with the oil collecting chamber j are formed in the plate body 410.

Specifically, the distribution area of the mesh 411 is aligned with the area corresponding to the top opening of the oil collection tank 40.

The fan air inlet f of the oil mist purifier is positioned above the right side of the mesh plate 41, so that purified gas is discharged from the air outlet under the negative pressure formed by the fan.

The electrode plates b of the two-stage electrostatic fields in the oil mist purification area q are positioned above the mesh plate 41, the oil collecting tank 40 is connected to the bottom of the mesh plate 41 from the top opening, and oil stains dropping from the electrode plates drop to the oil collecting tank 40 below from the meshes 411 on the mesh plate 41.

The filtering component 1, the primary electrostatic field 2 and the secondary electrostatic field 3 are erected on the mesh plate 41, the electrode plate is perpendicular to the mesh plate 41, and the lower end of the electrode plate is located below the side of the air inlet f of the fan and close to the mesh plate 41. The distance between the electrode plate b and the mesh plate 41 of the electrostatic field is short, so that once the oil stains dropping from the electrode plate b quickly drop into the mesh plate 41 below and through the mesh 411 into the oil collecting tank 40 below, the arrangement of the mesh plate 41 has the following advantages: 1) for supporting the purification system; 2) the oil stains dropping from the electrode plate can drop to the oil collecting tank below from the meshes; 3) the negative pressure is resisted, and the probability that the dropped oil stain is pumped out by the negative pressure is greatly reduced.

In this example, the mesh 411 is a circular hole with an aperture of 2 cm.

Further, the oil drain line 42 communicates with the oil collecting chamber j, and the oil drain line 42 includes an oil drain pipe 420 communicating with the tank side wall 401 from the lower portion of the oil collecting chamber j and an oil drain valve 421 provided on the oil drain pipe 420.

Meanwhile, the plate body 410 is further provided with an insertion part 412, and the filter element 1 is detachably disposed on the insertion part 412 through a frame.

In summary, the purifying process of the purifying device of the oil mist purifier of the embodiment is as follows:

in the oil mist got into purifier from hot blast blowpipe apparatus, carry out prefiltration through filter part earlier, filter major diameter particulate matter and debris, then the oil mist passes through one-level electrostatic field and second grade electrostatic field in proper order, the electrified particle of greasy dirt granule adsorbs on the plate electrode under the effect of electrostatic field for granule and gas separation, then, the gaseous evacuation of passing through exhaust device after the reposition of redundant personnel assembles the mesh board of granule drippage to the below on the plate electrode, drip the collection of accomplishing the greasy dirt to the sump oil tank from the mesh after that.

In addition, the filter member and the two-stage electrostatic field in the present application can be taken out at any time, and can be repeatedly used after being periodically cleaned, so that the use cost is very low.

Therefore, the present embodiment has the following advantages:

1. the adsorption capacity is strong, the wind resistance is extremely low, and the purification efficiency reaches more than 99 percent;

2. the stainless steel filter screen and the electrostatic field can be repeatedly cleaned and used, so that the use cost is reduced;

3. the structure is reliable, and the operation is simple and convenient;

4. the negative pressure resistant oil stain collecting component is arranged, so that the oil stains separated into the oil collecting tank can be effectively prevented from entering the gas again due to the negative pressure generated by the exhaust device in the oil mist purifying area, the collection of the oil stains is facilitated, and the purifying quality and the purifying efficiency of the electrostatic field can be further improved.

The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the protection scope of the present invention should not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A purifying device of an oil mist purifier is positioned between an air inlet device and an air exhaust device of the oil mist purifier and comprises an electrode plate and a conductive rod which form an electrostatic field,

the method is characterized in that:

the electrostatic fields have at least two stages and are sequentially arranged from an air inlet device to an air exhaust device, wherein the voltage provided by each stage of electrostatic field is gradually reduced, oil mist sequentially flows between two electrode plates of each stage of electrostatic field, the electrode plates of each stage of electrostatic field are arranged in parallel, charged particles in the oil mist are adsorbed by the electrode plates, and purified gas is exhausted from the air exhaust device;

the purification device also comprises a filter part and an oil stain collecting part, wherein the filter part is positioned between the electrostatic field and the air inlet device and is used for preliminarily intercepting and filtering oil mist, and the oil stain collecting part is arranged at the lower part of the filter part and the electrostatic field and forms negative pressure resistance.

2. The oil mist purifier purifying device according to claim 1, characterized in that: the electrostatic fields are two stages and are respectively a primary electrostatic field and a secondary electrostatic field, wherein the voltage provided by the primary electrostatic field is greater than or equal to 12KV, and the voltage provided by the secondary electrostatic field is greater than or equal to 6 KV.

3. The oil mist purifier purifying device according to claim 2, characterized in that: the distance between the electrode plates forming the primary electrostatic field is d1, the distance between the electrode plates forming the secondary electrostatic field is d2, wherein d1 is more than d 2.

4. The oil mist purifier purifying device according to claim 3, characterized in that: d1 is 40-50 mm, d2 is 5-10 mm.

5. The oil mist purifier purifying device according to claim 1, characterized in that: the filtering component is a stainless steel filter screen, wherein the mesh number of the stainless steel filter screen is 40-80 meshes.

6. The oil mist purifier purifying device according to claim 1, characterized in that: the oil mist purification area is formed by the filtering component and the electrostatic field, the oil stain collecting component comprises an oil collecting tank and a mesh plate which is sealed from the periphery and is arranged at the bottom of the oil mist purification area in an intercepting manner, wherein a fan air inlet of the exhaust device is positioned above the side of the mesh plate, the electrode plate and the filtering component are positioned above the mesh plate, the lower end part of the electrode plate is positioned below the side of the fan air inlet and is close to the mesh plate, the oil collecting tank is connected to the bottom of the mesh plate from the top opening, and oil stains dripped from the electrode plate drip from meshes on the mesh plate to an oil collecting tank below.

7. The oil mist purifier purifying device according to claim 6, characterized in that: the two-stage or multi-stage electrostatic field is erected on the mesh plate, the electrode plate and the mesh plate are vertically arranged, the mesh plate comprises a plate body, meshes which penetrate through the plate body from top to bottom are formed in the plate body, and the mesh distribution area is aligned with the area corresponding to the opening in the top of the oil collecting tank.

8. The oil mist purifier purifying device according to claim 6, characterized in that: the oil collecting tank comprises a tank bottom and tank side walls, wherein an oil collecting cavity with an upward opening is formed by the tank bottom and the tank side walls, the mesh plate is horizontally arranged at the top of the oil collecting cavity, and the tank bottom is obliquely arranged.

9. The oil mist purifier purifying device according to claim 8, characterized in that: the oil stain collecting component also comprises an oil drainage pipeline communicated with the oil collecting cavity.

10. The oil mist purifier purifying device according to claim 9, characterized in that: the oil discharge pipeline comprises an oil discharge pipe and an oil discharge valve, wherein the oil discharge pipe is communicated with the side wall of the oil collection cavity from the lower part of the oil collection cavity, and the oil discharge valve is arranged on the oil discharge pipe.