Oil-water separation device

Abstract

The utility model is suitable for the technical field of oil-water separation, and provides an oil-water separation device which comprises a treatment box for oil-water separation, the partition plate is fixedly mounted in the treatment box, and the interior of the treatment box is divided into a buffer cavity and a separation cavity by the partition plate; the liquid inlet pipe is fixedly mounted on the treatment box and extends into the buffer cavity; the plurality of corrugated plates are fixedly mounted in the buffer cavity, and a plurality of through holes are formed in the plurality of corrugated plates and are used for reducing the flow speed of wastewater discharged by the liquid inlet pipe; the water pump is fixedly mounted on the treatment box; and the connecting pipe is fixedly installed at the liquid inlet end of the water pump, and the other end of the connecting pipe penetrates through the separation cavity and extends into the buffer cavity. According to the oil-water separation device provided by the scheme, the impact of injection of oily wastewater can be reduced, so that the device can continuously operate during use, and the oil-water separation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oil -water separation technical field especially relates to an oil -water separation device. BACKGROUND

[0002] Oil-containing wastewater refers to the wastewater containing oil substances discharged in the industrial production process, wherein the oil substances contained include natural oil, oil products, tar and its fractionation, and edible animal and vegetable oil and fat.

[0003] The traditional oil -water separation device is in the process of using, because the impact produced when wastewater is injected will break the originally stationary water environment, so that oil and water are mixed together, therefore need to intermittently separate oil and water, so that the treatment time of oil-containing wastewater is prolonged, and the oil -water separation efficiency is reduced. UTILITY MODEL CONTENT

[0004] The utility model provides an oil -water separation device, aims at solving the problem of long treatment time and low oil -water separation efficiency of the oil -water separation device currently used proposed in above -mentioned background art.

[0005] In order to solve the above problems, the utility model is realized in this way, an oil -water separation device, comprising: a treatment box for oil -water separation;A partition is fixedly installed in the treatment box and divides the treatment box into a buffer cavity and a separation cavity;A liquid inlet pipe is fixedly installed on the treatment box and extends into the buffer cavity;A plurality of wave plates are fixedly installed in the buffer cavity, a plurality of through holes are formed in the plurality of wave plates, and the flow rate of wastewater discharged by the liquid inlet pipe is reduced;A water pump is fixedly installed on the treatment box;A connecting pipe is fixedly installed on the liquid inlet end of the water pump, and the other end of the connecting pipe penetrates the separation cavity and extends into the buffer cavity;A liquid outlet pipe is fixedly installed on the liquid outlet end of the water pump, and the other end of the liquid outlet pipe extends to the bottom end of the separation cavity;A separation mechanism is arranged in the separation cavity and used for filtering oil in wastewater.

[0006] Preferably, the separation mechanism comprises an oil pipe, a collection box, an oil inlet, a guide hopper, a protective cover, an air bag and an oil scraping mechanism, the oil pipe is fixedly installed at the bottom of the treatment box and extends into the separation cavity, the collection box is fixedly installed at one end of the oil pipe extending into the separation cavity, the oil inlet is formed at the top of the collection box, the guide hopper is fixedly installed in the collection box and is correspondingly arranged with the oil inlet, the protective cover is fixedly installed outside the collection box, the air bag is fixedly installed in the protective cover and is used for driving the collection box to float on the water surface, and the oil scraping mechanism is arranged on the treatment box and is used for scraping oil from the oil inlet into the collection box.

[0007] Preferably, the oil scraping mechanism comprises a rotary motor, a fixed pipe, an extension pipe, a rotary rod and two scrapers, the rotary motor is fixedly installed on the top of the treatment box, the fixed pipe is fixedly installed on the output end of the rotary motor, the fixed pipe extends into the separation cavity and is rotationally connected with the treatment box, the extension pipe is slidingly installed in the fixed pipe, the rotary rod is slidingly installed in the extension pipe, and two scrapers are fixedly installed on one end of the rotary rod and used for scraping the oil on the surface of the oil-containing wastewater.

[0008] Preferably, two limiting grooves are formed in the inner walls of the fixed pipe and the extension pipe respectively, two limiting blocks are fixedly installed on the outer walls of the extension pipe and the rotary rod respectively, and the four limiting blocks are in sealing sliding connection with the four limiting grooves respectively, so as to realize the limiting of the extension pipe and the rotary rod.

[0009] Preferably, a filter screen is fixedly installed on the bottom opening end of the guide hopper, a fixed rod is rotationally installed on the filter screen, and the other end of the fixed rod penetrates through the oil inlet and is fixedly installed at the bottom end of the rotary rod.

[0010] Preferably, a drain pipe is fixedly installed at the bottom of the treatment box, one end of the drain pipe extends into the separation cavity and is used for discharging filtered water, and a valve is fixedly installed on the oil liquid pipe and the oil liquid pipe, so as to control the opening and closing of the pipes.

[0011] Preferably, the oil liquid pipe is a flexible pipe, and the scraper is provided with an inclined protrusion on the same side as the rotation direction, so as to guide the oil liquid to enter the collection box from the oil inlet.

[0012] Compared with the related art, the oil-water separation device has the following beneficial effects:

[0013] Compared with the prior art, the oil-water separation device effectively solves the problem of re-mixing of oil and water caused by wastewater injection impact in the traditional oil-water separation process. Through the setting of the buffer cavity and the wave plate, the wastewater flow rate is reduced, and a stable oil-water separation environment is provided. At the same time, the introduction of the oil scraping mechanism realizes efficient and continuous scraping of the oil layer, significantly improving the oil-water separation efficiency. In addition, the design of the limiting groove and the limiting block ensures the stability and sealing of the oil scraping mechanism, and the application of the filter screen further improves the quality of the collected oil liquid. The design of the flexible oil liquid pipe and the inclined scraper enhances the flexibility and oil liquid collection efficiency of the device. Overall, the device not only improves the quality of oil-water separation, but also shortens the processing time and reduces the energy consumption, providing an efficient and reliable solution for the treatment of oil-containing wastewater. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1It is a kind of oil-water separation device's main view cross section structure schematic diagram provided by the utility model;

[0015] Figure 2 It is the plan view structure schematic diagram of the separation mechanism provided by the utility model;

[0016] Figure 3 For Figure 1 It is the enlarged structure schematic diagram of A part shown in the figure;

[0017] Figure 4 For Figure 3 It is the enlarged structure schematic diagram of B part shown in the figure.

[0018] Reference signs: 1, processing box;2, partition;3, buffer cavity;4, separation cavity;5, liquid inlet pipe;6, wave plate;7, water pump;8, connecting pipe;9, liquid outlet pipe;10, oil pipe;11, collection box;12, oil inlet;13, guide hopper;14, rotary motor;15, fixed pipe;16, extension pipe;17, rotary rod;18, scraper;19, limit groove;20, limit block;21, filter screen;22, fixed rod;23, protective cover;24, air bag;25, drain pipe. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the description and the drawings are to be regarded as illustrative in nature and are not intended to limit the application; the terminology used in the description and the claims of the present application and the above description of drawings includes the terms specifically mentioned above as well as their derivatives.

[0020] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all directed to the same embodiment, or to a single alternative embodiment. It is explicitly contemplated that embodiments described herein can be combined with each other.

[0021] The utility model embodiment provides a kind of oil-water separation device, such asFigures 1-4 As shown, the oil-water separation device comprises: a treatment box 1 for oil-water separation; a partition 2 fixedly installed in the treatment box 1 and separating the treatment box 1 into a buffer cavity 3 and a separation cavity 4; a liquid inlet pipe 5 fixedly installed on the treatment box 1 and extending into the buffer cavity 3; a plurality of wave-shaped plates 6, each of which is fixedly installed in the buffer cavity 3 and has a plurality of through holes for reducing the flow rate of the wastewater discharged by the liquid inlet pipe 5; a water pump 7 fixedly installed on the treatment box 1; a connecting pipe 8 fixedly installed at the liquid inlet end of the water pump 7, the other end of the connecting pipe 8 penetrating through the separation cavity 4 and extending into the buffer cavity 3; a liquid outlet pipe 9 fixedly installed at the liquid outlet end of the water pump 7, the other end of the liquid outlet pipe 9 extending to the bottom end of the separation cavity 4; and a separation mechanism arranged in the separation cavity 4 for filtering the oil in the wastewater.

[0022] In this embodiment, the treatment box 1 serves as the main part of the entire oil-water separation device, providing a closed environment for oil-water separation and ensuring that the oil-water separation process is carried out in a relatively stable environment. The partition 2 separates the treatment box 1 into the buffer cavity 3 and the separation cavity 4. By physically separating, the possibility of wastewater directly impacting the separation cavity 4 is reduced, effectively preventing the impact of wastewater injection from disturbing the environment of the static water body and reducing the re-mixing of oil and water. The buffer cavity 3 is used to receive and preliminarily process the incoming wastewater, and the flow rate of the wastewater is reduced by the plurality of wave-shaped plates 6, reducing the impact and providing a buffer area for the wastewater to gradually stabilize and reduce the opportunity for oil and water mixing. The wave-shaped plates 6 utilize the wave-shaped design and through holes to reduce the flow rate of the wastewater, increase the contact area between the wastewater and the wave-shaped plates, and help the aggregation and separation of oil droplets in the wastewater. The water pump 7 is used to pump the treated wastewater from the buffer cavity 3 to the separation cavity 4, allowing the wastewater to flow between different chambers for further oil-water separation. The connecting pipe 8 and the liquid outlet pipe 9 serve as the input and output pipelines of the water pump 7, ensuring that the wastewater can flow along the predetermined path to achieve effective separation of oil and water. The liquid outlet pipe 9 injects liquid from the bottom of the separation cavity 4, which is conducive to reducing water body fluctuations and improving separation efficiency. The separation mechanism removes the oil in the wastewater through specific filtering or separation techniques, improves the oil-water separation efficiency, and ensures the quality of the treated wastewater.

[0023] The utility model further preferable embodiment, the separating mechanism includes oil pipe 10, collection box 11, oil inlet 12, guide hopper 13, protective cover 23, air bag 24 and oil scraping mechanism, oil pipe 10 fixed mounting at the bottom of processing box 1, and extends to separating chamber 4, collection box 11 fixed mounting at the one end of oil pipe 10 extends to separating chamber 4, oil inlet 12 is set up at the top of collection box 11, guide hopper 13 fixed mounting in collection box 11, and with oil inlet 12 correspond setting, protective cover 23 fixed mounting out of collection box 11, air bag 24 fixed mounting in protective cover 23, for driving collection box 11 floats on the water surface, oil scraping mechanism sets up on processing box 1, for scraping the oil liquid from oil inlet 12 into collection box 11.

[0024] In the embodiment, through oil pipe 10, can conveniently guide the oil liquid separated out processing box 1, carries out subsequent processing or recycling.Collection box 11 is used for receiving and temporarily storing the oil liquid separated from wastewater, provides a centralized collection area, ensures that the oil liquid does not flow with wastewater, improves the oil-water separation efficiency.Oil inlet 12 is set up at the top of collection box 11, as the entrance of oil liquid into collection box 11, so that the oil liquid can smoothly enter collection box 11, while preventing impurities in wastewater from entering.The design of guide hopper 13 can more effectively collect oil liquid, prevent oil liquid from spreading or losing in collection box 11.Protective cover 23 can prevent impurities in wastewater or external objects from damaging air bag 24, ensuring the stability of the oil-water separation process.Air bag 24 is used to drive collection box 11 to float on the water surface, so that collection box 11 can float up and down with the water surface fluctuation, always maintaining contact with the oil layer, thereby improving the efficiency of oil liquid collection.The oil scraping mechanism can continuously scrape the oil liquid on the oil layer into collection box 11, ensuring the continuity and efficiency of oil-water separation.

[0025] In the further preferable embodiment of the utility model, the oil scraping mechanism comprises a rotary motor 14, a fixed pipe 15, an extension pipe 16, a rotary rod 17 and two scraper plates 18, the rotary motor 14 is fixedly installed at the top of the processing box 1, the fixed pipe 15 is fixedly installed at the output end of the rotary motor 14, the fixed pipe 15 extends into the separating chamber 4 and is rotationally connected with the processing box 1, the extension pipe 16 is slidingly installed in the fixed pipe 15, the rotary rod 17 is slidingly installed in the extension pipe 16, and the two scraper plates 18 are fixedly installed at one end of the rotary rod 17 for scraping the oil liquid on the surface of the oily wastewater.

[0026] In this embodiment, the rotating motor 14 provides stable rotating power to drive the fixed tube 15, the extension tube 16 and the rotating rod 17 to rotate, so as to realize the scraping of the oil by the scraper 18. The fixed tube 15 serves as a bridge connecting the rotating motor 14 and the extension tube 16, ensuring that the rotating power can be stably transmitted to the extension tube 16 and the rotating rod 17. At the same time, the rotating connection with the treatment tank 1 ensures that the oil scraping mechanism will not damage the structure of the treatment tank 1 during rotation. The design of the extension tube 16 enables the oil scraping mechanism to adapt to oil layers of different depths, ensuring that the scraper 18 can always be in contact with the oil layer, improving the oil scraping efficiency. At the same time, the sliding installation mode also facilitates the maintenance and adjustment of the oil scraping mechanism. The rotating rod 17 serves as a support structure for the scraper 18, ensuring that the scraper 18 can remain stable during rotation. At the same time, the design of the sliding installation in the extension tube 16 enables the rotating rod 17 and the scraper 18 to float up and down according to the fluctuation of the oil layer, further improving the oil scraping efficiency. The design of the scraper 18 enables it to effectively scrape the oil on the oil layer and guide it into the collection box 11, improving the oil scraping efficiency and quality.

[0027] In further preferred embodiments of the utility model, two limiting grooves 19 are respectively arranged in the inner walls of the fixed tube 15 and the extension tube 16, two limiting blocks 20 are respectively fixedly installed on the outer walls of the extension tube 16 and the rotating rod 17, and four limiting blocks 20 are respectively in sealing sliding connection with four limiting grooves 19, so as to realize the limiting of the extension tube 16 and the rotating rod 17.

[0028] In this embodiment, the design of the limiting groove 19 provides a sliding track for the limiting block 20, ensuring that the sliding of the extension tube 16 in the fixed tube 15 and the rotating rod 17 in the extension tube 16 is along a predetermined direction, avoiding deviation or jamming during sliding. The sealing sliding connection between the limiting block 20 and the limiting groove 19 not only realizes the limiting of the extension tube 16 and the rotating rod 17, but also ensures the sealing of the sliding connection, preventing wastewater or oil from leaking out of the connection, and ensuring the stability and reliability of the oil scraping mechanism. Through the design of the limiting groove 19 and the limiting block 20, the extension tube 16 and the rotating rod 17 in the oil scraping mechanism can maintain sliding flexibility while realizing stable limiting and sealing connection. This design not only improves the reliability and stability of the oil scraping mechanism, but also avoids the problems of reduced oil-water separation efficiency or damaged device caused by sliding deviation or leakage.

[0029] In further preferred embodiments of the utility model, a filter screen 21 is fixedly installed at the bottom opening end of the guide hopper 13, a fixed rod 22 is rotatably installed on the filter screen 21, and the other end of the fixed rod 22 penetrates through the oil inlet 12 and is fixedly installed at the bottom end of the rotating rod 17.

[0030] In this embodiment, the design of the filter screen 21 can filter out impurities and particles in the oil liquid entering the guide hopper 13, ensuring higher quality of the collected oil liquid. At the same time, the filter screen 21 can also prevent larger impurities or particles from blocking the guide hopper 13 or the oil inlet 12, ensuring smooth operation of the oil scraping mechanism. The design of the fixed rod 22 realizes the linkage of the filter screen 21 and the rotating rod 17, so that the scraper 18 always moves synchronously with the collection box 11, ensuring the oil liquid collection effect.

[0031] In a further preferred embodiment of the present application, the bottom of the treatment box 1 is fixedly installed with a drain pipe 25, one end of which extends into the separation chamber 4 for discharging filtered water. Valves are fixedly installed on the drain pipe 25 and the oil liquid pipe 10 for controlling the opening and closing of the pipes.

[0032] In this embodiment, the design of the drain pipe 25 allows the filtered water to be discharged smoothly from the separation chamber 4, avoiding the retention of waste water in the treatment box 1, which helps to maintain the cleanliness and separation efficiency of the treatment box 1. The design of the valve provides precise control for the discharge of oil liquid and filtered water. By opening or closing the valve, the discharge speed and amount of oil liquid and filtered water can be flexibly adjusted to meet different processing needs. In addition, the valve can also prevent accidental leakage of oil liquid and filtered water when not needed, ensuring the safety and stability of the device.

[0033] In a further preferred embodiment of the present application, the oil liquid pipe 10 is provided as a flexible pipe, and the scraper 18 is provided with an inclined protrusion on the same side as the rotation direction for guiding the oil liquid to enter the collection box 11 from the oil inlet 12.

[0034] In this embodiment, the oil liquid pipe 10 is provided as a flexible pipe, increasing its flexibility and making it more convenient to install and layout, which can adapt to different working environments and layout needs. At the same time, the design of the flexible pipe also helps to reduce the flow resistance of the oil liquid in the pipe, improving the discharge efficiency of the oil liquid. The design of the inclined protrusion of the scraper 18 can more effectively guide the oil liquid to enter the collection box 11 from the oil inlet 12. During the rotation of the scraper 18, the inclined protrusion will push the oil liquid on the oil layer to move towards the oil inlet 12 and help the oil liquid to enter the collection box 11 smoothly. This design improves the collection efficiency of the oil liquid and further improves the effect of oil-water separation.

[0035] In summary, compared with the related art, the oil-water separation device effectively solves the problem of oil-water re-mixing caused by the injection of waste water in the traditional oil-water separation process through innovative design. By setting the buffer cavity and the corrugated plate, the waste water flow rate is reduced, and a stable oil-water separation environment is provided. At the same time, the introduction of the oil scraping mechanism realizes efficient and continuous scraping of the oil layer, significantly improving the oil-water separation efficiency. In addition, the design of the limiting groove and the limiting block ensures the stability and sealing of the oil scraping mechanism, and the application of the filter screen further improves the quality of the collected oil. The design of the hose type oil liquid pipe and the inclined convex scraper enhances the flexibility and oil liquid collection efficiency of the device. Overall, the device not only improves the quality of oil-water separation, but also shortens the processing time and reduces the energy consumption, providing an efficient and reliable solution for the treatment of oil-containing wastewater.

[0036] In several embodiments provided in the present application, it should be understood that the disclosed device can be implemented in other ways.

[0037] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope of the present application.

Claims

1. An oil-water separation device, characterized by, The utility model provides a kind of oil-water separation treatment box, comprising: a treatment box for oil-water separation; a partition plate fixedly installed in the treatment box and separating the treatment box into a buffer cavity and a separation cavity; a liquid inlet pipe fixedly installed on the treatment box and extending into the buffer cavity; a plurality of wave-shaped plates, each of which is fixedly installed in the buffer cavity, and each of which is provided with a plurality of through holes for reducing the flow rate of wastewater discharged by the liquid inlet pipe; a water pump fixedly installed on the treatment box; a connecting pipe fixedly installed at the liquid inlet end of the water pump, with the other end of the connecting pipe penetrating through the separation cavity and extending into the buffer cavity; a liquid outlet pipe fixedly installed at the liquid outlet end of the water pump, with the other end of the liquid outlet pipe extending to the bottom end of the separation cavity; a separation mechanism arranged in the separation cavity for filtering oil in wastewater.

2. The oil-water separation device of claim 1, wherein, The separation mechanism comprises an oil pipe, a collection box, an oil inlet, a guide hopper, a protective cover, an air bag and an oil scraping mechanism.

3. The oil-water separation device of claim 2, wherein, The oil pipe is fixedly installed at the bottom of the treatment box and extends into the separation cavity.

4. The oil-water separation device of claim 3, wherein, The collection box is fixedly installed at one end of the oil pipe extending into the separation cavity.

5. The oil-water separation device of claim 3, wherein, The oil inlet is provided at the top of the collection box.

6. The oil-water separation device of claim 2, wherein, The guide hopper is fixedly installed in the collection box and corresponds to the oil inlet.

7. The oil-water separation device of claim 3, wherein, The protective cover is fixedly installed outside the collection box. The air bag is fixedly installed in the protective cover to float the collection box on the water surface. The oil scraping mechanism is arranged on the treatment box to scrape oil from the oil inlet into the collection box. The oil scraping mechanism comprises a rotary motor, a fixed pipe, an extension pipe, a rotary rod and two scraper plates. The rotary motor is fixedly installed at the top of the treatment box. The fixed pipe is fixedly installed at the output end of the rotary motor and extends into the separation cavity and is rotatably connected to the treatment box. The extension pipe is slidably installed in the fixed pipe. The rotary rod is slidably installed in the extension pipe. The two scraper plates are fixedly installed at one end of the rotary rod to scrape oil on the surface of oil-containing wastewater. Two limiting grooves are formed in the inner walls of the fixed pipe and the extension pipe, respectively. Two limiting blocks are fixedly installed on the outer walls of the extension pipe and the rotary rod. The four limiting blocks are sealingly and slidably connected to the four limiting grooves to limit the extension pipe and the rotary rod. A filter screen is fixedly installed at the bottom opening end of the guide hopper. A fixed rod is rotatably installed on the filter screen. The other end of the fixed rod penetrates through the oil inlet and is fixedly installed at the bottom end of the rotary rod. A drain pipe is fixedly installed at the bottom of the treatment box, with one end of the drain pipe extending into the separation cavity to discharge filtered water. Valves are fixedly installed on the oil pipe and the drain pipe to control the opening and closing of the pipes. The oil pipe is a flexible pipe. The same side of the scraper plate and the rotation direction is provided with an inclined protrusion to guide oil from the oil inlet into the collection box.

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