Oily water comprehensive treatment device

Abstract

The utility model discloses a comprehensive oily water treatment device which comprises a sewage inlet pipe, the sewage inlet pipe is communicated with a filter tank, a control assembly is connected to a lifting pump, a liquid inlet is formed in the top of the filter tank, a discharge outlet is formed in the bottom of the filter tank, a filter screen is arranged in the middle of the filter tank, a cleaning assembly is arranged on the filter tank, and the discharge outlet is communicated with a separation pool. The separation tank is communicated with the floating oil treatment tank and the sewage treatment tank; according to the comprehensive treatment device for the oily water, the cleaning tank and the filter screen are adopted, so that the oily water can be filtered, pretreatment is performed before oil-water separation and oil-water separate treatment, solid impurities in the oily water are removed, and the interior of sewage treatment equipment is prevented from being blocked; moreover, the cleaning assembly is adopted for leaching sewage left on solid impurities on the filter screen, subsequent treatment of the solid impurities is facilitated, the inner wall of the cleaning tank, the separation pool and the conveying pipeline are cleaned, oily sewage attached to the inner walls of the cleaning tank, the separation pool and the conveying pipeline is removed, and the sewage flux of the pipeline is guaranteed.

Description

Technical Field

[0001] The utility model relates to an oily sewage treatment technology, in particular to an oily sewage comprehensive treatment device. Background Art

[0002] A large amount of oily wastewater is generated in daily production and life. These oily wastewaters are generally collected in sewage pools first, and then discharged after treatment. Oily wastewater contains both sewage and floating oil. The floating oil floats above the sewage. In the process of treating oily wastewater, it is necessary to separate the floating oil and sewage first, and then treat the floating oil and sewage separately.

[0003] However, oily wastewater contains a large amount of solid impurities, which will adhere to and accumulate in the sewage treatment equipment, causing blockage in the internal pipes of the sewage treatment equipment. In addition, the floating oil in the oily wastewater will adhere to the inner wall of the sewage treatment equipment, which not only affects the sewage flux of the pipeline, but also produces odor, requiring regular manual cleaning, which is time-consuming and labor-intensive. Utility Model Content

[0004] In order to solve the defects of the above-mentioned prior art, the utility model provides a comprehensive treatment device for oily wastewater, which can remove solid impurities and clean and remove oil stains attached to the inner wall of the pipeline.

[0005] In order to achieve the above technical objectives, the utility model adopts the following technical solutions: an oily wastewater comprehensive treatment device is arranged in a sewage pool, including a sewage inlet pipe extending into the sewage pool, the sewage inlet pipe is connected to a filter tank through a lifting pump, the lifting pump is connected to a control component that senses the sewage pool liquid level height and the lifting pump working state, the top of the filter tank is provided with a liquid inlet connected to the lifting pump, the bottom of the filter tank is provided with a discharge port, the middle of the filter tank is provided with a filter screen, the filter tank is provided with a cleaning component, the discharge port is connected to a separation tank through a liquid inlet pipe, the separation tank is connected to a floating oil treatment tank, and the separation tank is connected to a sewage treatment tank.

[0006] Preferably, the control component includes a sensor and a controller, the sensor is arranged in the sewage pool and is used to sense the liquid level height of the sewage pool, the sensor is connected to the controller, and the controller is connected to the lifting pump and is used to control the working state of the lifting pump.

[0007] Preferably, the cleaning component includes a rinsing unit and a waste discharge unit, the rinsing unit is arranged on the top of the cleaning tank and is used to clean the oily wastewater attached to the solid impurities, and the waste discharge unit is used to remove the fixed impurities on the upper surface of the filter.

[0008] Preferably, the elution unit comprises a distribution plate arranged on the top of the filter tank and a elution pipe connected to the distribution plate.

[0009] Preferably, the waste discharge unit comprises a cleaning pipe and a waste discharge port connected to the bottom of the filter tank, and the bottom of the waste discharge port is at the same height as the upper surface of the filter screen on the side facing the discharge port.

[0010] Preferably, a partition is provided in the separation tank, the partition is vertically arranged and fixed to the inner wall opposite to the separation tank, the partition divides the separation tank into a sedimentation tank and a discharge tank, the top of the sedimentation tank is connected with the liquid inlet pipe, the bottom of the sedimentation tank is connected with the bottom of the discharge tank through the bottom of the partition, the top of the discharge tank is provided with a drain pipe connected with the sewage treatment tank, and the bottom of the discharge tank is provided with an oil discharge pipe connected with the floating oil treatment tank.

[0011] Preferably, the liquid inlet pipe is higher than the drain pipe.

[0012] Preferably, the side of the filter screen facing the liquid inlet is higher than the side of the filter screen facing the discharge outlet.

[0013] In summary, the utility model has achieved the following technical effects:

[0014] 1. The oily wastewater comprehensive treatment device of the utility model adopts a cleaning tank and a filter screen to filter the oily wastewater, pre-treat the oil-water separation and oil-water treatment before the separate treatment, remove the solid impurities therein, prevent the accumulation of solid impurities, and prevent the internal blockage of the sewage treatment equipment.

[0015] 2. The utility model of the comprehensive treatment device for oily wastewater adopts a cleaning component, which can not only rinse the wastewater remaining on the solid impurities on the filter screen, facilitating the subsequent treatment of the solid impurities, but also clean the inner wall of the cleaning tank, the separation tank and the conveying pipeline, remove the oily wastewater adhering to the inner wall of the cleaning tank, the separation tank and the conveying pipeline, ensure the sewage flux of the pipeline, and keep the cleaning tank and the separation tank clean after the oily wastewater treatment is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the oily wastewater comprehensive treatment device of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the oily wastewater comprehensive treatment device of the utility model;

[0018] Figure 3 It is a cross-sectional view of the oily wastewater comprehensive treatment device of the utility model;

[0019] Explanation of the markings in the specification: 1. sewage tank; 2. sensor; 3. controller; 4. sewage inlet pipe; 5. lifting pump; 6. filter tank; 61. liquid inlet; 62. filter screen; 63. discharge port; 64. rinse pipe; 65. distribution plate; 66. cleaning pipe; 67. waste outlet; 7. separation tank; 71. liquid inlet pipe; 72. partition; 73. drain pipe; 74. oil drain pipe; 8. sewage treatment tank; 9. floating oil treatment tank. DETAILED DESCRIPTION

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0021] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0026] Embodiment 1:

[0027] like Figure 1 -3, an oily wastewater comprehensive treatment device is arranged in a sewage pool 1, including a sewage inlet pipe 4 extending into the sewage pool 1, the sewage inlet pipe 4 is connected to the filter tank 6 through a lifting pump 5, and a control component for sensing the liquid level height of the sewage pool 1 and the working state of the lifting pump 5 is connected to the lifting pump 5. The top of the filter tank 6 is provided with a liquid inlet 61 connected to the lifting pump 5, the bottom of the filter tank 6 is provided with a discharge port 63, the middle of the filter tank 6 is provided with a filter screen 62, and the filter tank 6 is provided with a cleaning component. The discharge port 63 is connected to the separation tank 7 through a liquid inlet pipe 71, the separation tank 7 is connected to the floating oil treatment tank 9, and the separation tank 7 is connected to the sewage treatment tank 8; the control component includes a sensor 2 and a controller 3, the sensor 2 is arranged in the sewage pool 1 and is used to sense the liquid level height of the sewage pool 1, the sensor 2 is connected to the controller 3, the controller 3 is connected to the lifting pump 5 and is used to control the working state of the lifting pump 5.

[0028] The cleaning tank and the filter screen 62 can be used to filter the oily wastewater, pre-treat it before oil-water separation and oil-water separate treatment, remove solid impurities therein, prevent the accumulation of solid impurities, and prevent internal blockage of the wastewater treatment equipment.

[0029] The cleaning component includes a rinsing unit and a waste discharge unit. The rinsing unit is arranged on the top of the cleaning tank and is used to clean the oily wastewater attached to the solid impurities. The waste discharge unit is used to remove the fixed impurities on the upper surface of the filter 62; the rinsing unit includes a distribution plate 65 arranged on the top of the filter tank 6 and a rinsing pipe 64 connected to the distribution plate 65; the waste discharge unit includes a cleaning pipe 66 and a waste discharge port 67 connected to the bottom of the filter tank 6, and the bottom of the waste discharge port 67 is at the same height as the upper surface of the filter 62 facing the discharge port 63.

[0030] Working principle: When discharging waste, the rinsing unit works first, and the rinsing pipe 64 sprays out cleaning liquid to remove the oily wastewater with solid impurities. Then, the rinsing unit stops working, and the waste discharge unit works, and the cleaning pipe 66 passes clean water or separated sewage to discharge the solid impurities on the filter screen 62 from the waste discharge port 67.

[0031] The cleaning component can be used to rinse the sewage remaining on the solid impurities on the filter 62, which is convenient for the subsequent treatment of the solid impurities, and can also clean the inner wall of the cleaning tank, the separation tank 7 and the conveying pipeline, remove the oily sewage adhering to the inner wall of the cleaning tank, the separation tank 7 and the conveying pipeline, ensure the sewage flux of the pipeline, and keep the cleaning tank and the separation tank 7 clean after the oily sewage treatment is completed.

[0032] In order to guide the solid impurities to move to the waste outlet 67 for easy discharge from the waste outlet 67, and at the same time make the solid impurities accumulate on one side of the filter screen 62 to keep the filter screen 62 able to filter the solid impurities smoothly, the side of the filter screen 62 facing the liquid inlet 61 is higher than the side of the filter screen 62 facing the discharge outlet 63.

[0033] A partition 72 is provided in the separation tank 7. The partition 72 is vertically arranged and fixed to the inner wall opposite to the separation tank 7. The partition 72 divides the separation tank 7 into a sedimentation tank and a discharge tank. The top of the sedimentation tank is connected to the liquid inlet pipe 71, and the bottom of the sedimentation tank is connected to the bottom of the discharge tank through the bottom of the partition 72. A drain pipe 73 connected to the sewage treatment tank 8 is provided at the top of the discharge tank, and an oil discharge pipe 74 connected to the floating oil treatment tank 9 is provided at the bottom of the discharge tank.

[0034] In order to prevent the floating oil in the separation tank 7 from flowing back to the liquid inlet pipe 71 , the height of the liquid inlet pipe 71 is higher than the drain pipe 73 .

[0035] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A comprehensive treatment device for oily wastewater, arranged in a sewage pool, characterized in that: It includes a sewage inlet pipe extending into the sewage pool, the sewage inlet pipe is connected to the filter tank through a lifting pump, the lifting pump is connected to a control component for sensing the sewage pool liquid level and the working state of the lifting pump, the top of the filter tank is provided with a liquid inlet connected to the lifting pump, the bottom of the filter tank is provided with a discharge port, the middle of the filter tank is provided with a filter screen, the filter tank is provided with a cleaning component, the discharge port is connected to a separation tank through a liquid inlet pipe, the separation tank is connected to a floating oil treatment tank, and the separation tank is connected to a sewage treatment tank.

2. The oily wastewater comprehensive treatment device according to claim 1 is characterized in that: The control component includes a sensor and a controller. The sensor is arranged in the sewage pool and is used to sense the liquid level height of the sewage pool. The sensor is connected to the controller. The controller is connected to the lifting pump and is used to control the working state of the lifting pump.

3. The oily wastewater comprehensive treatment device according to claim 1 is characterized in that: The cleaning component includes a rinsing unit and a waste discharge unit. The rinsing unit is arranged on the top of the cleaning tank and is used to clean the oily wastewater attached to the solid impurities, and the waste discharge unit is used to remove the fixed impurities on the upper surface of the filter.

4. The oily wastewater comprehensive treatment device according to claim 3 is characterized in that: The elution unit comprises a distribution plate arranged on the top of the filter tank and a elution pipe connected to the distribution plate.

5. The oily wastewater comprehensive treatment device according to claim 3 is characterized in that: The waste discharge unit comprises a cleaning pipe and a waste discharge port connected to the bottom of the filter tank, and the bottom of the waste discharge port is at the same height as the upper surface of the filter screen on the side facing the discharge port.

6. The oily wastewater comprehensive treatment device according to claim 1 is characterized in that: A partition is provided in the separation tank, and the partition is vertically arranged and fixed to the inner wall opposite to the separation tank. The partition divides the separation tank into a sedimentation tank and a discharge tank. The top of the sedimentation tank is connected with the liquid inlet pipe, and the bottom of the sedimentation tank is connected with the bottom of the discharge tank through the bottom of the partition. The top of the discharge tank is provided with a drain pipe connected with the sewage treatment tank, and the bottom of the discharge tank is provided with an oil discharge pipe connected with the floating oil treatment tank.

7. The oily wastewater comprehensive treatment device according to claim 6 is characterized in that: The height of the liquid inlet pipe is higher than the drain pipe.

8. The oily wastewater comprehensive treatment device according to claim 1 is characterized in that: The side of the filter screen facing the liquid inlet is higher than the side of the filter screen facing the discharge outlet.

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