CN219384846U - Separating device and working system - Google Patents

Abstract

The utility model provides a separating device and a working system, wherein the separating device comprises: the box body is provided with a sedimentation chamber, the top of the side wall of the box body is provided with an oil drain port communicated with the sedimentation chamber, and the side wall of the box body is also provided with a water drain port positioned below the oil drain port; the gas-liquid separation device is arranged at the top of the box body, and a liquid inlet communicated with the gas-liquid separation device is arranged at the top of the box body; the isolation cylinder is vertically arranged in the sedimentation chamber; the filtering structure is arranged in the isolation cylinder; one end of the communicating pipe is positioned at the bottom of the settling chamber and communicated with the settling chamber, and the other end of the communicating pipe is connected and communicated with the top of the side wall of the isolation cylinder; one end of the liquid outlet pipe is connected and communicated with the bottom of the side wall of the isolation cylinder, and the other end of the liquid outlet pipe is connected with the water outlet. By applying the technical scheme of the utility model, the problem of high oil content of the compressed air oil-containing wastewater in the prior art can be effectively solved.

Description

Separating device and working system

Technical Field

The utility model relates to the field of wastewater treatment, in particular to a separation device and a working system.

Background

In the prior art, compressed air formed by compression of a screw air compressor enters a tail combined air dryer after passing through an oil-gas separator, 99% of water can be removed from the compressed air processed by the combined air dryer, and the oil content in the compressed air is less than 0.01mg/m < 3 >.

The screw air compressor adopts an oil lubrication mode, in an oil lubrication system, compressed air is in direct contact with lubricating oil, the compressed air is cooled to a certain dew point temperature by utilizing refrigeration equipment, corresponding contained moisture and micro-oil components are separated out, gas-liquid separation is carried out through a separator, and then water and oil are discharged to a trench through an automatic drain valve.

The oily wastewater is accumulated in the channel to have fire hazards, and meanwhile, if the oily wastewater is discharged into a factory along with a pipeline, the oily wastewater has a great environmental protection risk. From the aspects of site environment, safety and environmental protection, the compressed air oily wastewater needs to be treated so as to ensure that the emission reaches the standard.

Disclosure of Invention

The utility model mainly aims to provide a separation device and a working system, which are used for solving the problem of high oil content of compressed air oil-containing wastewater in the prior art.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a separation apparatus comprising: the box body is provided with a sedimentation chamber, the top of the side wall of the box body is provided with an oil drain port communicated with the sedimentation chamber, and the side wall of the box body is also provided with a water drain port positioned below the oil drain port; the gas-liquid separation device is arranged at the top of the box body, and a liquid inlet communicated with the gas-liquid separation device is arranged at the top of the box body; the isolation cylinder is vertically arranged in the sedimentation chamber; the filtering structure is arranged in the isolation cylinder; one end of the communicating pipe is positioned at the bottom of the settling chamber and communicated with the settling chamber, and the other end of the communicating pipe is connected and communicated with the top of the side wall of the isolation cylinder; one end of the liquid outlet pipe is connected and communicated with the bottom of the side wall of the isolation cylinder, and the other end of the liquid outlet pipe is connected with the water outlet.

In one embodiment, the height of the oil drain is adjustable.

In one embodiment, the side wall of the box body further comprises at least one standby liquid outlet, and the standby liquid outlet is positioned below the water outlet.

In one embodiment, a stabilizer is provided on the inside of the side wall of the case.

In one embodiment, the liquid inlet and the isolation cylinder are positioned at two sides of the flow stabilizing plate.

In one embodiment, the gas-liquid separation device comprises a housing and an expansion chamber arranged in the housing, wherein a fluid inlet is arranged on the side wall of the housing, an air outlet is arranged on the top wall of the housing, and the liquid inlet is communicated with the inner cavity of the housing.

In one embodiment, a metal mesh is disposed within the expansion chamber.

In one embodiment, the separation device further comprises: an oil drain pipe is connected between the oil drain port and the waste oil collecting barrel, and an oil drain valve is arranged at the bottom of the waste oil collecting barrel.

In one embodiment, the tank body comprises a tank main body with an upper opening and a cover plate covered at the opening, the liquid inlet is arranged on the cover plate, and the oil drain port and the water drain port are arranged on the tank main body.

In one embodiment, the cover plate is bolted to the tank body by means of a star wheel.

According to another aspect of the present utility model, there is provided a working system comprising: the working device is provided with a sewage outlet and comprises at least one of an air compressor, a dryer and a filter; the separating devices are a plurality of separating devices which are arranged in one-to-one correspondence with the working devices, the separating devices are the separating devices, and the drain outlets of the working devices are communicated with the gas-liquid separating devices of the corresponding separating devices.

By applying the technical scheme of the utility model, the fluid to be treated enters from the gas-liquid separation device, the gas and the oil-containing liquid are separated through the gas-liquid separation device, wherein the gas is directly discharged to the outside atmosphere, and the oil-containing liquid enters the precipitation chamber through the liquid inlet to accumulate and precipitate. After accumulation and precipitation, the oily liquid is layered, the upper layer is oil liquid, and the lower layer is condensate liquid. The oil reaches a certain height and is discharged through the oil discharge port, and condensate at the bottom of the settling chamber enters the isolation cylinder through the communicating pipe and is filtered by the filtering structure, so that the purpose of further removing oil is achieved. And discharging the purified condensate through a liquid outlet pipe and a water outlet. The content of condensate residual oil in the treated water is less than or equal to 0.001%, so that the environment-friendly effect is achieved, and meanwhile, the treated water can be connected to a near pipe network for water circulation, so that the effects of saving water and reducing consumption are achieved.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Attached at

In the figure:

fig. 1 shows a schematic structural view of an embodiment of a separation device according to the utility model.

Wherein the above figures include the following reference numerals:

10. a case; 11. a precipitation chamber; 12. a box main body; 121. an oil drain port; 122. a water outlet; 123. a standby liquid outlet; 124. a steady flow plate; 13. a cover plate; 131. a liquid inlet; 20. a gas-liquid separation device; 21. a housing; 211. a fluid inlet; 212. an air outlet; 22. an expansion chamber; 221. a metal mesh; 30. an isolation cylinder; 40. a filtering structure; 50. a communicating pipe; 60. a liquid outlet pipe; 70. a waste oil collecting barrel; 80. an oil drain pipe; 90. star wheel bolts.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are, for example, capable of operation in other environments. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As shown in fig. 1, the separation device of the present embodiment includes: the device comprises a box body 10, a gas-liquid separation device 20, an isolation cylinder 30, a filtering structure 40, a communicating pipe 50 and a liquid outlet pipe 60. The tank 10 has a settling chamber 11, an oil drain port 121 communicating with the settling chamber 11 is disposed at the top of the sidewall of the tank 10, and a drain port 122 located below the oil drain port 121 is also disposed on the sidewall of the tank 10. The gas-liquid separation device 20 is arranged at the top of the box body 10, and a liquid inlet 131 communicated with the gas-liquid separation device 20 is arranged at the top of the box body 10. The isolation cylinder 30 stands in the settling chamber 11. The filter structure 40 is disposed within the isolation cartridge 30. One end of a communicating pipe 50 is positioned at the bottom of the settling chamber 11 and is communicated with the settling chamber 11, and the other end of the communicating pipe 50 is connected and communicated with the top of the side wall of the isolation cylinder 30; one end of the drain pipe 60 is connected to and communicates with the bottom of the sidewall of the isolation cylinder 30, and the other end of the drain pipe 60 is connected to the drain port 122.

By applying the technical scheme of the embodiment, fluid to be treated enters from the gas-liquid separation device 20, gas and oil-containing liquid are separated by the gas-liquid separation device 20, wherein the gas is directly discharged to the outside atmosphere, and the oil-containing liquid enters the precipitation chamber 11 through the liquid inlet 131 to accumulate and precipitate. After accumulation and precipitation, the oily liquid is layered, the upper layer is oil liquid, and the lower layer is condensate liquid. The oil reaches a certain height and is discharged through the oil discharge port 121, and condensate at the bottom of the settling chamber 11 enters the isolation cylinder 30 through the communicating pipe 50 and is filtered by the filtering structure 40, so that the purpose of further removing oil is achieved. The purified condensate is discharged through the drain pipe 60 and the drain port 122. The content of condensate residual oil in the treated water is less than or equal to 0.001%, so that the environment-friendly effect is achieved, and meanwhile, the treated water can be connected to a near pipe network for water circulation, so that the effects of saving water and reducing consumption are achieved.

The condensate after purification was substantially transparent and was discharged into the collecting main.

As shown in fig. 1, in the present embodiment, the height of the oil drain port 121 is adjustable. The above structure can increase the flexibility of the separation device. Specifically, in this embodiment, a flange is disposed at the oil drain port 121, and an elbow bent upward is disposed at the flange, so that the height of the elbow extending upward can be adjusted to adjust the oil inlet height.

As shown in fig. 1, in this embodiment, the side wall of the box 10 further includes at least one spare drain port 123, and the spare drain port 123 is located below the drain port 122. The above structure enables the standby drain 123 to be activated when the drain pipe 60 is blocked or the condensate needs to be rapidly drained, so that the oil separation can be smoothly performed by the separation device. Preferably, in the present embodiment, the number of the spare liquid discharge ports 123 is 2, and the setting heights of the 2 spare liquid discharge ports 123 are different.

As shown in fig. 1, in the present embodiment, a stabilizer 124 is provided inside the side wall of the case 10. The flow stabilizing plate 124 can play a role in stabilizing flow, so that the liquid level of the liquid in the settling chamber 11 is calm, and the oil-liquid separation is facilitated.

As shown in fig. 1, in the present embodiment, the liquid inlet 131 and the isolation cylinder 30 are located at two sides of the stabilizer 124. The structure enables the liquid inlet 131 and the isolation cylinder 30 to be as far as possible, so that the flow stabilizing plate 124 has enough flow stabilizing effect.

As shown in fig. 1, in the present embodiment, the gas-liquid separation device 20 includes a housing 21 and an expansion chamber 22 provided in the housing 21, a side wall of the housing 21 is provided with a fluid inlet 211, a top wall of the housing 21 is provided with an air outlet 212, and a liquid inlet 131 communicates with an inner cavity of the housing 21. The fluid to be treated can tangentially rotate after entering the gas-liquid separation device 20, the gas is discharged to realize decompression, the flow rate of the oil can be reduced after the oil tangentially rotates, so that the liquid level of the oil entering the sedimentation chamber 11 is calm, and the oil can be conveniently and mechanically separated further.

In this embodiment, the number of the fluid inlets 211 is plural (4 in this embodiment), and each fluid inlet 211 is provided with a hose connector (the connector specification is 12mm or 10mm, adjustable, and expandable to 8) for connecting the compressor, the dryer, the filter, and other condensate lines.

As shown in fig. 1, in the present embodiment, a metal mesh 221 is provided in the expansion chamber 22. The metal mesh 221 is used for capturing part of oil in the air, reducing the oil content of the discharged air, and playing an environmental protection role.

As shown in fig. 1, in the present embodiment, the separation apparatus further includes: an oil drain pipe 80 is connected between the oil drain port 121 of the waste oil collecting barrel 70 and the waste oil collecting barrel 70, and an oil drain valve is provided at the bottom of the waste oil collecting barrel 70. The above structure allows temporary storage of the waste oil, and when the oil level in the waste oil collecting tank 70 reaches the 2/3 position, the oil discharge valve is opened again to recover the oil into the iron tank.

As shown in fig. 1, in the present embodiment, the tank 10 includes a tank main body 12 having an upper opening, and a cover plate 13 covering the opening, the liquid inlet 131 is disposed on the cover plate 13, and the oil drain 121 and the water drain 122 are disposed on the tank main body 12. The structure is simple, and the processing and the assembly are convenient.

In this embodiment, the filter structure 40 is an activated carbon filter pack, and the activated carbon is used to adsorb the micro-oil droplets remaining in the condensate to ensure that the drain has no obvious odor as much as possible. However, the activated carbon filter bag has a certain filtering life and needs to be replaced periodically according to the working condition on site. To facilitate easier inspection and replacement of the filter structure 40, in this embodiment, the cover plate 13 is connected to the tank body 12 by means of a spider bolt 90.

In this embodiment, the separation device is a DHA environment-friendly oil-water separator.

The application also provides a working system, and an embodiment of the working system according to the application comprises: working device and separating device. The working device is provided with a sewage outlet and comprises at least one of an air compressor, a dryer and a filter. The separating devices are a plurality of the separating devices which are arranged in one-to-one correspondence with the working devices, the sewage outlets of the working devices are communicated with the gas-liquid separating devices 20 of the corresponding separating devices. The separation device can play a role in reducing the oil content of liquid and plays an environmental protection role, so that the working system with the separation device also has the advantages.

In this embodiment, the separation device uses the difference in specific gravity between the gas, water and oil according to their physical properties, thereby achieving the purpose of separating the oil from the condensed water. An environment-friendly oil-water separation device is additionally arranged behind the compressed air purification equipment, oil-containing condensate discharged by the air compressor and the post-treatment equipment is separated and extracted through the separation device, the waste oil is automatically collected and recycled in a barrel, and the liquid water after oil removal is filtered by a set of activated carbon and then is discharged into a drainage main pipe and then is connected to a nearby industrial waste water pipe network. In this embodiment, preferably, 3 sets of separating devices are installed in total, one set for each dryer (3 sets in total). All separating devices are arranged in an air compressor room, 3 sets of separating devices are arranged in the middle of an air compressor of a dryer, all sewage condensate of the corresponding air compressor, the dryer and the filter is treated, and all sewage outlets are connected to inlets of the waste oil separating devices through pipelines.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: the DHA environment-friendly oil-water separation device can reduce the residual oil content of the condensate after treatment and keep the oil content of the condensate below 0.001% and 0.001%.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (11)

1. A separation device, comprising:

the sedimentation tank comprises a tank body (10) and a sedimentation tank body, wherein the sedimentation tank (11) is arranged at the top of the side wall of the tank body (10), an oil drain port (121) communicated with the sedimentation tank (11) is arranged at the top of the side wall of the tank body (10), and a water drain port (122) positioned below the oil drain port (121) is also arranged on the side wall of the tank body (10);

the gas-liquid separation device (20) is arranged at the top of the box body (10), and a liquid inlet (131) communicated with the gas-liquid separation device (20) is formed in the top of the box body (10);

an isolation cylinder (30) erected in the sedimentation chamber (11);

a filter structure (40) disposed within the isolation cylinder (30);

a communicating pipe (50), wherein one end of the communicating pipe (50) is positioned at the bottom of the settling chamber (11) and is communicated with the settling chamber (11), and the other end of the communicating pipe (50) is connected and communicated with the top of the side wall of the isolation cylinder (30);

and one end of the liquid outlet pipe (60) is connected and communicated with the bottom of the side wall of the isolation cylinder (30), and the other end of the liquid outlet pipe (60) is connected with the water outlet (122).

2. The separation device according to claim 1, characterized in that the height of the oil drain (121) is adjustable.

3. The separation device according to claim 1, characterized in that the side wall of the tank (10) further comprises at least one spare drain (123), the spare drain (123) being located below the drain opening (122).

4. The separation device according to claim 1, characterized in that the inner side of the side wall of the tank (10) is provided with a flow stabilizer (124).

5. The separation device according to claim 4, characterized in that the liquid inlet (131) and the separation cartridge (30) are located on both sides of the flow stabilizing plate (124).

6. The separation device according to claim 1, wherein the gas-liquid separation device (20) comprises a housing (21) and an expansion chamber (22) arranged in the housing (21), a side wall of the housing (21) is provided with a fluid inlet (211), a top wall of the housing (21) is provided with an air outlet (212), and the liquid inlet (131) is in communication with an inner cavity of the housing (21).

7. A separation device according to claim 6, characterized in that a metal mesh (221) is arranged in the expansion chamber (22).

8. The separation device of claim 1, further comprising:

the waste oil collecting barrel (70), an oil drain pipe (80) is connected between the oil drain port (121) and the waste oil collecting barrel (70), and an oil drain valve is arranged at the bottom of the waste oil collecting barrel (70).

9. The separation device according to claim 1, wherein the tank (10) comprises a tank main body (12) having an upper opening and a cover plate (13) covering the opening, the liquid inlet (131) is provided on the cover plate (13), and the oil drain (121) and the water drain (122) are provided on the tank main body (12).

10. A separating device according to claim 9, wherein the cover plate (13) is connected to the tank body (12) by means of a star bolt (90).

11. A work system comprising:

the working device is provided with a sewage outlet and comprises at least one of an air compressor, a dryer and a filter;

the device comprises a plurality of separating devices which are arranged in one-to-one correspondence with the working devices, and is characterized in that the separating devices are the separating devices according to any one of claims 1 to 10, and a drain outlet of each working device is communicated with a gas-liquid separating device (20) of the corresponding separating device.