CN210457758U - Sewage deoiling device and sewage neutralization deoiling system - Google Patents
Sewage deoiling device and sewage neutralization deoiling system Download PDFInfo
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- CN210457758U CN210457758U CN201921353611.9U CN201921353611U CN210457758U CN 210457758 U CN210457758 U CN 210457758U CN 201921353611 U CN201921353611 U CN 201921353611U CN 210457758 U CN210457758 U CN 210457758U
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- 239000010865 sewage Substances 0.000 title claims abstract description 179
- 238000006386 neutralization reaction Methods 0.000 title claims abstract description 20
- 238000007790 scraping Methods 0.000 claims abstract description 127
- 239000004519 grease Substances 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000005192 partition Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 83
- 238000001514 detection method Methods 0.000 claims description 30
- 239000002585 base Substances 0.000 claims description 17
- 239000003513 alkali Substances 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 10
- 238000005238 degreasing Methods 0.000 claims description 6
- 239000002351 wastewater Substances 0.000 claims description 5
- 238000004065 wastewater treatment Methods 0.000 claims 1
- 238000003756 stirring Methods 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of sewage treatment, and discloses a sewage oil removing device and a sewage neutralization oil removing system, wherein the sewage oil removing device comprises an oil removing tank; a partition plate is arranged in the oil removing tank, the partition plate divides the oil removing tank into two tank bodies with communicated tops, and the two tank bodies are an oil scraping tank and an oil collecting tank respectively; the oil removing tank is characterized in that an oil scraping device is arranged at the top of the oil removing tank, a guide device is arranged in the oil removing tank, the oil scraping device is matched with the guide device, and grease on the surface of sewage water in the oil scraping tank is scraped into the oil collecting tank. The utility model discloses can get rid of the grease in the sewage, avoid the stable discharge to reach standard of grease influence sewage to cooperate with guiding device through the frizing device and scrape into the grease the sump oil tank can, need not to set up the oil suction pump in addition and come to suck away the grease, simple structure, the cost is lower.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to a sewage deoiling device and sewage neutralization deoiling system.
Background
Under the situation that water resources are increasingly scarce in the world, the situation of water resources in China is very severe, and the water resources are more and more the focus of social attention, so that the treatment of sewage is very important. After the sewage is treated, the sewage can be recycled, and the water use pressure of a city is relieved. The water treatment technology has wide development prospect in future development of China, and the treated sewage is more and more applied to the construction of various industries.
Among the current sewage treatment, rarely accomplish the management and control to the grease in the waste water, nevertheless the grease has very big inhibitory action to sewage system, and the high sewage of grease can make sewage system biochemistry receive the impact, very big influence the stable discharge to reach standard of sewage.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sewage deoiling device and sewage neutralization deoiling system to when solving sewage treatment among the prior art, thereby because contain grease in the sewage and influenced the problem of the stable discharge to reach standard of sewage.
To achieve the purpose, the utility model adopts the following technical proposal:
a sewage oil removing device comprises an oil removing tank; a partition plate is arranged in the oil removing tank, the partition plate divides the oil removing tank into two tank bodies with communicated tops, and the two tank bodies are an oil scraping tank and an oil collecting tank respectively; the oil removing tank is characterized in that an oil scraping device is arranged at the top of the oil removing tank, a guide device is arranged in the oil removing tank, and the oil scraping device is matched with the guide device so as to scrape grease on the surface of sewage water in the oil removing tank into the oil collecting tank.
Preferably, the oil scraping device comprises an oil scraping plate which is configured to move along the surface of the sewage water in the oil scraping box to scrape oil.
Preferably, the oil scraping device further comprises a driving device, the driving device comprises a driving motor, a conveying wheel driven by the driving motor and a conveying belt driven by the conveying wheel, and the oil scraping plate is vertically arranged on the conveying belt.
Preferably, the oil scraping device further comprises a driving device, the driving device comprises a motor, the movable end of the motor is connected with a screw-nut pair, a sliding block is fixedly connected to a nut of the screw-nut pair, the sliding block is connected to a sliding groove in a sliding mode, an air cylinder is arranged on the sliding block, and the oil scraping plate is connected to the movable end of the air cylinder.
Preferably, the guiding device comprises a guide vane arranged at the top of the partition plate and close to one side of the oil scraping box, the guide vane is arranged in a downward inclined mode, and the oil scraping plate can slide along the guide vane so as to scrape grease into the oil collecting box along the guide vane.
Preferably, the bottom of the oil scraping tank is provided with an air bubble generating device which generates air bubbles to separate grease in the sewage out of the water surface.
Preferably, an oil scraping tank liquid level detection device is arranged in the oil scraping tank and connected with the oil scraping device, and the oil scraping device is started when the oil scraping tank liquid level detection device detects that the liquid level in the oil scraping tank rises to a preset first liquid level.
A sewage neutralization and oil removal system comprises a sewage treatment tank and an acid-alkali liquid tank connected with the sewage treatment tank, wherein a PH detection device is arranged in the sewage treatment tank, and the acid-alkali liquid tank is configured to inject acid liquid or alkali liquid into the sewage treatment tank according to the detection result of the PH detection device so as to adjust the PH value of sewage in the sewage treatment tank;
the sewage oil removing device is characterized by further comprising a sewage oil removing device, wherein a water outlet of the sewage treatment tank is connected with a water inlet of the oil scraping tank of the sewage oil removing device.
Preferably, a filtering device is arranged at a water outlet of the sewage treatment tank, the filtering device is positioned in the sewage treatment tank, and the filtering device is in sliding connection with the sewage treatment tank.
Preferably, the acid-base liquid tank and the sewage treatment tank are both arranged on a tank bracket, and the sewage oil removing device is positioned on one side of the tank bracket.
The utility model has the advantages that:
the utility model can remove grease in sewage, and avoid the grease from affecting the stable standard discharge of sewage; additionally, the utility model discloses direct cooperation through frizing device and guiding device can scrape away the grease from the frizing incasement, need not to set up oil suction devices such as oil absorption pump in addition again and will come the grease siphoning away that guiding device scraped, simple structure, the cost is lower.
Drawings
FIG. 1 is a schematic structural view of a sewage oil removal device provided by the present invention;
fig. 2 is a schematic structural diagram of an oil scraping device provided by the present invention;
fig. 3 is a schematic structural view of another oil scraping device provided by the present invention;
FIG. 4 is a schematic structural diagram of a sewage neutralization and oil removal system provided by the present invention;
fig. 5 is a schematic structural diagram of the stirring device provided by the present invention.
In the figure:
1. a sewage neutralization and oil removal system; 10. a sewage oil removal device; 20. a sewage treatment tank; 30. an acid-base liquid tank; 40. a box body bracket; 50. a stirring device;
11. removing an oil tank; 12. a partition plate; 121. a guide plate; 111. scraping an oil tank; 112. an oil collecting tank; 13. an oil scraping device; 131. a scraper plate; 132. a conveyor belt; 133. a transfer wheel; 134. a motor; 135. a cylinder; 136. a screw-nut pair; 137. a slider; 138. a chute;
1121. an oil outlet; 1112. a bubble generating device; 1111. a sewage outlet;
21. a pH detection device; 22. a filtration device;
51. a stirring motor; 52. and (4) a stirring paddle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The utility model provides a sewage deoiling device and sewage neutralization deoiling system, figure 1 is the utility model provides a sewage deoiling device's schematic structure, as shown in figure 1, sewage deoiling device 10 is including removing oil tank 11 and baffle 12, and deoiling tank 11 is closed design, can avoid debris to fall into in the box. The partition plate 12 is disposed in the oil removing tank 11, the partition plate 12 divides the oil removing tank 11 into two parts, namely an oil scraping tank 111 and an oil collecting tank 112, the oil scraping tank 111 is used for storing injected sewage, and the oil collecting tank 112 is used for storing grease scraped from the sewage in the oil scraping tank 111. As shown in fig. 1, the oil scraping tank 111 communicates with the top of the oil collecting tank 112, so that grease contained in the sewage in the oil scraping tank 111 can be scraped into the oil collecting tank 112 from the communicating place.
In order to facilitate the separation of the grease from the sewage in the oil scraping box 111, the bottom of the oil scraping box 111 is provided with an air bubble generating device 1112, and the air bubble generating device 1112 generates air bubbles to separate the grease in the sewage out of the water surface so as to scrape the grease off by the oil scraping plate 131. The bubble generating device 1112 may be a microbubble generator.
When grease in sewage is separated from water and floats on the sewage surface, in order to scrape off the grease, as shown in fig. 1, an oil scraping device 13 is arranged at the top of the oil removing tank 11, a guiding device is also arranged in the oil removing tank 11, and the grease on the sewage surface in the oil scraping tank 111 is scraped into the oil collecting tank 112 through the matching of the oil scraping device 13 and the guiding device, so that the separation of the sewage and the grease is achieved.
Further, as shown in fig. 1, the oil scraping device 13 is provided with an oil scraping plate 131, and the oil scraping plate 131 is movable in the oil scraping box 111 so as to scrape the grease in the oil scraping box 111 into the oil collecting box 112. To engage the oil scraper 131, the guide means comprise a guide blade 121 arranged on top of the partition 12. As shown in fig. 1, the guide blade 121 is disposed at a side close to the oil scraping box 111 and inclined downward, and when the oil scraping plate 131 moves to the guide blade 121, grease can be scraped into the oil collecting box 112 along the guide blade 121; through the cooperation of the two, the oil scraping operation is facilitated.
In order to achieve automatic oil scraping of the oil scraping plate 131, the oil scraping device 13 further comprises a driving device.
Preferably, as shown in fig. 2, the oil scraping device 13 further includes a driving device, the driving device includes a driving motor, a transmission wheel 133 and a transmission belt 132, the transmission wheel 133 is driven by the driving motor, and the transmission belt 132 is driven by the transmission wheel 133 to form a circular motion. The oil scraping plate 131 is fixedly connected to the conveyor belt 132, and the oil scraping plate 131 is vertically erected on the conveyor belt 132, so that when the conveyor belt 132 rotates, the oil scraping plate 131 moves along the horizontal direction, and grease on the surface of sewage can be scraped. The oil scraping plates 131 can be arranged in a plurality according to needs and are uniformly distributed on the conveyor belt 132, and the oil scraping efficiency can be improved by the oil scraping plates 131. When the oil scraping device 13 works, the sewage surface is located below the conveyor belt 132, the oil scraping plate 131 located below scrapes grease on the sewage surface below the conveyor belt 132 into the oil collecting tank 112 on one side, and then returns to the oil scraping tank 111 from the upper side along with the conveyor belt 132 to continuously scrape oil, so that circulation is formed, and the operation is very convenient.
At this time, in order to adapt to the running track of the oil scraping plate 131 when the oil scraping plate travels to the conveying wheel 133 along with the conveying belt 132, as shown in fig. 2, the guide vane 121 may be an arc-shaped guide vane, that is, the longitudinal section of the guide vane 121 is arc-shaped, so that the arc radian of the longitudinal section of the guide vane 121 is adapted to the radian of the conveying wheel 133, and thus when the oil scraping plate 131 contacts the guide vane 121, the oil can be more closely attached, and the grease can be completely scraped into the oil collecting tank 112 without being leaked.
In addition, in order to avoid damage due to hard contact between the oil scraping plate 131 and the guide vane 121, any one of the oil scraping plate 131 and the guide vane 121 may be provided as a soft material, such as a rubber material. When the two contact each other, the soft part can deform to avoid the damage of the equipment caused by hard-to-hard contact.
As another preferable mode, as shown in fig. 3, the oil scraping device 13 further includes a driving device that drives the movement of the oil scraping plate 131 in the X-axis direction and the Y-axis direction for oil scraping, the X-axis direction being a horizontal direction and the Y-axis direction being a vertical direction. As shown in fig. 3, the driving device includes a motor 134, a cylinder 135, a screw nut pair 136, a sliding block 137, and a sliding slot 138, wherein the movable end of the motor 134 is connected to the screw nut pair 136, the nut of the screw nut pair 136 is fixedly connected to the sliding block 137, and the sliding block 137 is slidably connected to the sliding slot 138. The slide groove 138 is provided inside the top of the degreasing tank 11, and the slider 137 is installed in the slide groove 138. The cylinder 135 is fixed at the bottom of the slider 137, and the oil scraping plate 131 is vertically connected at the movable end of the cylinder 135.
The sliding block 137 is driven by the motor 134 to move in the sliding groove 138, so as to drive the cylinder 135 and the oil scraping plate 131 to move, and the oil scraping plate 131 moves along the X-axis direction. The oil scraping plate 131 is driven to move up and down by the cylinder 135, and the oil scraping plate 131 is driven to move in the Y direction. At this moment, the cylinder 135 can scrape oil from the oil on the liquid level with different heights, so that the operation is more flexible and the application range is wide.
During oil scraping, the cylinder 135 drives the oil scraping plate 131 to extend downwards, the motor 134 rotates, the sliding block 137 is driven to horizontally move towards the oil collecting tank 112 in the sliding rail 138, and then the cylinder 135 and the oil scraping plate 131 fixed on the sliding block 137 are driven to move towards the oil collecting tank 112 to scrape oil. When the oil scraping plate 131 moves to the guide vane 121, the cylinder 135 drives the oil scraping plate 131 to move upwards, and at the same time, the oil scraping plate simultaneously moves in the X and Y directions, so that the oil scraping plate 131 scrapes grease into the oil collecting tank along the guide vane 12. After the oil scraping plate 131 scrapes the grease into the oil collecting tank 112, the cylinder 135 is contracted to the initial position, so that the oil scraping plate 131 is retracted upward. The motor 134 is reversed to move the oil scraping plate 131 back to the home position in a reverse horizontal direction. Further, the oil scraping plate 131 does not touch the water surface in the returning process, and grease is not scraped. After the oil scraper 131 returns to the original position, the above operations are repeated to perform the oil scraping operation.
The utility model discloses a frizing device 13 not only can open through timing control and stop, also can detect the liquid level and control through scraping oil tank liquid level detection device. Please refer to fig. 1, as a preferred mode, a scraper box liquid level detection device (e.g., a liquid level sensor) is disposed in the scraper box 111, the scraper box liquid level detection device is connected to the scraper 13, when sewage is injected into the scraper box 111, the scraper box liquid level detection device detects that the liquid level in the scraper box reaches a first liquid level (the first liquid level is a liquid level slightly higher than the bottom end of the scraper 131), the valve of the water inlet is controlled to close to stop injecting the sewage, and at this time, the scraper 13 starts to operate. After a period of oil scraping, the liquid level in the oil scraping box 111 will drop, and when the oil scraping box liquid level detecting device detects that the liquid level in the oil scraping box 111 drops to a second liquid level (the second liquid level is the same height as the bottommost end of the oil scraping plate 131), the oil scraping device 13 stops working. The first liquid level and the second liquid level may be specifically set as needed, for example, the second liquid level may be a slightly higher liquid level than the lowermost end of the guide vane 121.
As another preferred mode, the oil scraper 13 can also be started or stopped by timing control. The timing control is to detect the liquid level of the sewage injected into the oil scraping tank 111 through the oil scraping tank liquid level detection device, and when the first liquid level is reached, the valve is closed to stop injecting the sewage, and the oil scraping device 13 starts to work. At this time, the oil scraper 13 is provided with a timer, and is controlled in timing by the timer. Specifically, the timer sets the oil scraping time of the oil scraping device 13, and the oil scraping is stopped when the set oil scraping time is reached. For example, the oil scraping time of the oil scraping device 13 is set to 10 minutes, and the oil scraping device 13 automatically stops scraping when the oil scraping time reaches ten minutes after the oil scraping is started, so that the working time is set, and the abrasion of equipment can be reduced.
After the oil scraping, the sewage in the oil scraping tank 111 can be discharged from the sewage outlet 1111 on the side wall of the oil scraping tank 111; in order to prevent the grease from being collected in the oil collecting tank 112 and flowing reversely into the oil scraping tank 111 due to the excessive amount of grease in the oil collecting tank 112, a tank liquid level detecting device is disposed in the oil collecting tank 112 for controlling the valve of the oil outlet 1121 of the oil collecting tank 112 to be opened to discharge the grease when the amount of grease in the oil collecting tank 112 is large. After the grease in the oil collecting tank 112 is discharged and the liquid level drops to a certain level, the valve at the oil outlet 1121 is controlled to be closed.
The utility model discloses still provide a sewage neutralization deoiling system, as shown in fig. 4, sewage neutralization deoiling system 1 can carry out neutralization and deoiling to sewage and handle, and sewage neutralization deoiling system 1 includes foretell sewage deoiling device 10, sewage treatment case 20 and acid-base liquid case 30. Wherein, acid-base liquid case 30 is connected with sewage treatment case 20, is provided with PH detection device 21 (for example PH gauge) in sewage treatment case 20, and after sewage poured into sewage treatment case 20, acid-base liquid case 30 pours into acidizing fluid or alkali lye to sewage treatment case 20 according to the testing result of PH detection device 21 and adjusts the pH value of sewage in sewage treatment case 20. The acid-base liquid tank 30 includes an acid-base liquid tank and a base liquid tank, which are respectively connected to the sewage treatment tank 20. The water outlet of the sewage treatment tank 20 is connected to the water inlet of the oil scraping tank 111 of the sewage oil removing device 10, so that the sewage with the PH value adjusted in the sewage treatment tank 20 is injected into the oil scraping tank 111 for oil scraping operation.
The sewage neutralization and oil removal system 1 can neutralize the sewage first and then remove the oil, or remove the oil first and then neutralize the sewage, and is not limited herein. The utility model discloses in use earlier the neutralization deoiling again to describe as the embodiment, that is to say sewage pours into sewage treatment box 20 into earlier, carries out the pH value and adjusts, adjusts sewage to the neutrality, and when the pH value was 7 probably promptly, the sewage that will adjust the pH value again pours into sewage deoiling device 10 into and degreases.
When the sewage in the sewage treatment tank 20 is injected into the sewage oil removing device 10, filtering may be performed first, and as shown in fig. 4, a filtering device 22 is disposed at a water outlet of the sewage treatment tank 20, and the filtering device 22 is disposed in the sewage treatment tank 20.
Further, the filtering device 22 is slidably connected with the sewage treatment tank 20, a sliding groove is formed in the sewage treatment tank 20, and the filtering device 22 is slidably connected to the sliding groove, so that the filtering device 22 can be conveniently taken out for cleaning and replacement. The filter device 22 may alternatively be a grille filter.
As shown in FIG. 4, the acid-base solution tank 30 and the sewage treatment tank 20 are both disposed on the tank support 40, and the sewage oil-removing device 10 is disposed on one side of the tank support 40, such that the sewage treatment tank 20 is higher than the sewage oil-removing device 10, thereby facilitating the sewage in the sewage treatment tank 20 to flow into the sewage oil-removing device 10, as shown by arrows in FIG. 4.
The pipeline connecting the acid-base liquid tank 30 and the sewage treatment tank 20 can be provided with a pressure pump, so that the acid-base liquid in the acid-base liquid tank 30 can be conveniently pumped into the sewage treatment tank 20.
Set up sewage treatment case liquid level detection device in sewage treatment case 20, detect the liquid level in the sewage treatment case 20, come the switch of the control sewage treatment case 20 sewage entrance valve of sewage entrance through the detection of the interior liquid level of sewage treatment case 20 to and the addition of control acid-base liquid. After the PH value of the sewage in the sewage treatment tank 20 is detected by the PH detection device 21, the amount of acid liquid or alkali liquid to be added into the sewage treatment tank 20 can be obtained, and the liquid level value which can be reached in the sewage treatment tank 20 after the acid liquid or the alkali liquid is added can be obtained; in the process of adding acid liquor or alkali liquor, when the liquid level detection device of the sewage treatment tank detects that the liquid level reaches the target position, the acid liquor or alkali liquor is immediately stopped being added.
Preferably, a stirring device 50 is arranged in the sewage treatment tank 20 and the acid-alkali liquid tank 30, as shown in fig. 5, the stirring device 50 includes a stirring motor 51 and a stirring paddle 52, the stirring motor 51 is fixed on the top of the sewage treatment tank 20 or the acid-alkali liquid tank 30, the movable end of the stirring motor 51 is connected to the stirring paddle 52, and the stirring paddle 52 extends into the sewage treatment tank 20 or the acid-alkali liquid tank 30 for stirring.
Preferably, the utility model discloses in the liquid level detection device who uses be ultrasonic wave level gauge or magnetism and turn over the board level gauge.
The utility model discloses 1 working process of sewage neutralization deoiling system as follows:
injecting sewage into the sewage treatment tank 20, and stopping injecting the sewage when a sewage treatment tank liquid level detection device in the sewage treatment tank 20 detects that the injected sewage reaches a preset liquid level;
the PH detection device 21 detects the PH value of the sewage in the sewage treatment tank 20 and obtains the amount of acid liquor or alkali liquor to be added according to the detection result;
controlling a valve between the acid-base liquid tank 30 and the sewage treatment tank 20 to be opened, and adding acid liquid or alkali liquid; when the liquid level detection device of the sewage treatment tank 20 in the sewage treatment tank detects that the liquid level of the sewage treatment tank 20 added with the acid liquid or the alkali liquid reaches a preset liquid level, the control valve is closed, and the acid liquid or the alkali liquid is stopped being added;
controlling a valve between the sewage treatment tank 20 and the sewage oil removing device 10 to be opened, enabling sewage to flow into the oil scraping tank 111 after passing through the filtering device 22, and controlling the valve to be closed to stop injecting the sewage into the oil scraping tank 111 after a liquid level detection device in the oil scraping tank 111 detects that the amount of the injected sewage reaches a first liquid level;
the air bubble generating device 1112 generates air bubbles to separate grease in the sewage out of the water surface;
controlling the oil scraping device 13 to work to scrape oil;
after the oil scraping is finished, a valve at the sewage outlet 1111 of the oil scraping box 111 is opened to discharge sewage, so that the neutralization and oil removal of the sewage are completed;
when the oil level detection device in the oil collection tank 112 detects that the oil in the oil collection tank 112 reaches a certain level, the valve at the oil outlet 1121 of the oil collection tank 112 is opened to remove the oil.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A sewage oil removing device is characterized by comprising an oil removing tank (11); a partition plate (12) is arranged in the oil removing tank (11), the oil removing tank (11) is divided into two tank bodies with communicated tops by the partition plate (12), and the two tank bodies are an oil scraping tank (111) and an oil collecting tank (112) respectively; remove oil tank (11) top and be provided with frizing device (13), it is provided with guiding device in oil tank (11) to remove, frizing device (13) with guiding device cooperatees, with will scrape the grease on the sewage surface of water in oil tank (111) and scrape into in sump oil tank (112).
2. The wastewater degreasing apparatus as recited in claim 1, wherein the degreasing device (13) comprises a degreasing plate (131), and the degreasing plate (131) is configured to move along the wastewater surface in the degreasing tank (111) to degrease.
3. The sewage oil removing device according to claim 2, wherein the oil scraping device (13) further comprises a driving device, the driving device comprises a driving motor, a conveying wheel (133) driven by the driving motor, and a conveying belt (132) driven by the conveying wheel (133), and the oil scraping plate (131) is vertically arranged on the conveying belt (132).
4. The sewage oil removing device according to claim 2, wherein the oil scraping device (13) further comprises a driving device, the driving device comprises a motor (134), the movable end of the motor (134) is connected with a screw-nut pair (136), a sliding block (137) is fixedly connected to a nut of the screw-nut pair (136), the sliding block (137) is slidably connected to a sliding groove (138), an air cylinder (135) is arranged on the sliding block (137), and the oil scraping plate (131) is connected to the movable end of the air cylinder (135).
5. The sewage oil removing device according to claim 2, wherein the guiding device comprises a guide vane (121) arranged on the top of the partition plate (12) near one side of the oil scraping box (111), the guide vane (121) is arranged to be inclined downwards, and the oil scraping plate (131) can slide along the guide vane (121) to scrape grease along the guide vane (121) into the oil collecting box (112).
6. The sewage oil removing device according to any one of claims 1 to 5, wherein a bubble generating device (1112) is arranged at the bottom of the oil scraping tank (111), and the bubble generating device (1112) generates bubbles to separate grease in the sewage out of the water surface.
7. The sewage oil removing device according to any one of claims 1 to 5, wherein a scraper tank liquid level detection device is disposed in the scraper tank (111), the scraper tank liquid level detection device is connected to the scraper device (13), and when the scraper tank liquid level detection device detects that the liquid level in the scraper tank (111) rises to a preset first liquid level, the scraper device (13) is activated.
8. A sewage neutralization and oil removal system is characterized by comprising a sewage treatment tank (20) and an acid-base liquid tank (30) connected with the sewage treatment tank (20), wherein a PH detection device (21) is arranged in the sewage treatment tank (20), and the acid-base liquid tank (30) is configured to inject acid liquid or alkali liquid into the sewage treatment tank (20) according to the detection result of the PH detection device (21) so as to adjust the PH value of sewage in the sewage treatment tank (20);
further comprising a wastewater oil removal device according to any one of claims 1 to 7, wherein a water outlet of the wastewater treatment tank (20) is connected with a water inlet of the oil scraping tank (111) of the wastewater oil removal device.
9. The sewage neutralization and oil removal system according to claim 8, wherein a filtering device (22) is disposed at the water outlet of the sewage treatment tank (20), the filtering device (22) is located in the sewage treatment tank (20), and the filtering device (22) is slidably connected with the sewage treatment tank (20).
10. The sewage neutralization and oil removal system according to claim 8, wherein the acid-base liquid tank (30) and the sewage treatment tank (20) are both disposed on a tank bracket (40), and the sewage oil removal device is located on one side of the tank bracket (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921353611.9U CN210457758U (en) | 2019-08-20 | 2019-08-20 | Sewage deoiling device and sewage neutralization deoiling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921353611.9U CN210457758U (en) | 2019-08-20 | 2019-08-20 | Sewage deoiling device and sewage neutralization deoiling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210457758U true CN210457758U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921353611.9U Active CN210457758U (en) | 2019-08-20 | 2019-08-20 | Sewage deoiling device and sewage neutralization deoiling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321638A (en) * | 2022-08-31 | 2022-11-11 | 苏州星瑞鑫节能环保科技有限公司 | Intelligent kitchen lower grease separator |
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2019
- 2019-08-20 CN CN201921353611.9U patent/CN210457758U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321638A (en) * | 2022-08-31 | 2022-11-11 | 苏州星瑞鑫节能环保科技有限公司 | Intelligent kitchen lower grease separator |
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Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee after: CSI Cells Co.,Ltd. Patentee after: CANADIAN SOLAR MANUFACTURING (LUOYANG) Inc. Patentee after: Atlas sunshine Power Group Co.,Ltd. Address before: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee before: CSI Cells Co.,Ltd. Patentee before: CANADIAN SOLAR MANUFACTURING (LUOYANG) Inc. Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |