阅读说明：本技术 一种油水分离机 (Oil-water separator ) 是由 郑晓敏 杨双元 于 2019-12-05 设计创作，主要内容包括：本发明公开了一种油水分离机,包括油水界面识别装置、油水分离机箱和直线电机,所述油水分离机箱内部垂直安装有直线轴承导轨,直线轴承导轨的一侧设有一丝杆,丝杆被所述的直线电机驱动,直线电机受控于油水界面识别装置,丝杆与直线轴承导轨之间平行设置,丝杆上安装有沿着丝杆上下移动的丝杆螺母,直线轴承导轨上滑动安装有直线轴承,直线轴承与丝杆螺母之间安装有连接杆,丝杆螺母右侧安装有将油吸出的油泵,油水界面识别装置安装于油泵的右侧。本发明的液面可以做到无波动排油,油水分离速度快用电省,本发明取代了以往油水比重法分离油水设备,解决了捕捉油水分界点难的问题,为油水分离这类机械设备提供了先进的科技方法。(The invention discloses an oil-water separator which comprises an oil-water interface recognition device, an oil-water separation case and a linear motor, wherein a linear bearing guide rail is vertically arranged in the oil-water separation case, a lead screw is arranged on one side of the linear bearing guide rail and driven by the linear motor, the linear motor is controlled by the oil-water interface recognition device, the lead screw and the linear bearing guide rail are arranged in parallel, a lead screw nut moving up and down along the lead screw is arranged on the lead screw, the linear bearing is slidably arranged on the linear bearing guide rail, a connecting rod is arranged between the linear bearing and the lead screw nut, an oil pump sucking oil out is arranged on the right side of the lead screw nut, and the oil-water interface. The invention can discharge oil without fluctuation on the liquid level, has high oil-water separation speed and electricity saving, replaces the traditional oil-water specific gravity method oil-water separation equipment, solves the problem of difficult oil-water boundary point capture, and provides an advanced technological method for oil-water separation mechanical equipment.)

1. An oil-water separator is characterized in that: including oil-water interface recognition device, oil-water separation machine case and linear electric motor, linear bearing guide rail is installed perpendicularly to oil-water separation machine incasement portion, one side of linear bearing guide rail is equipped with a lead screw, the lead screw quilt linear electric motor drive, linear electric motor is controlled by oil-water interface recognition device, parallel arrangement between lead screw and the linear bearing guide rail installs the screw-nut who reciprocates along the lead screw on the lead screw, slidable mounting has linear bearing on the linear bearing guide rail, installs the connecting rod between linear bearing and the screw-nut, the oil pump with oil suction is installed on the screw-nut right side, oil-water interface recognition device installs in the right side of oil pump.

2. The oil and water separator according to claim 1, wherein: the bottom surface of the oil-water separation case is provided with a screw rod tray, the upper end of the oil-water separation case is provided with a case cover covering the oil-water separation case, the linear motor is arranged on the cover plate, a rotating shaft of the linear motor penetrates through the cover plate to extend to the inside of the oil-water separation case and is arranged at the upper end of the screw rod, the lower end of the screw rod is arranged on the screw rod tray, the screw rod is driven by the linear motor to rotate, and a screw rod nut vertically moves up and down along.

3. The oil and water separator according to claim 1, wherein: the left side of the oil-water separation case is provided with a liquid pump and a water inlet pipe, the oil-water separation case injects an oil-water mixture through the liquid pump and the water inlet pipe, an oil layer floats above a water layer, an oil-water separation layer is formed between the oil layer and the water layer, an oil-water interface recognition device penetrates through the oil-water separation layer to be in contact with the surface of the water layer, a gap between a suction port of the oil pump and the oil-water interface recognition device needs to be larger than the thickness of the oil-water separation layer, the suction port of the oil pump is arranged in the oil.

4. The oil and water separator according to claim 1, wherein: the right side of the oil-water separation case is provided with a drain pipe.

5. The oil and water separator according to claim 1, wherein: the oil-water interface recognition device comprises an oil-water recognition contact switch, a single-phase relay, a single-phase power supply, a relay coil and a miniature relay coil, wherein two contacts of the oil-water recognition contact switch are divided into a left contact and a right contact, and the distance between the two contacts is 10-15 mm;

the positive end and the negative end of the single-phase relay are respectively and electrically connected with the positive end and the negative end of the linear motor through leads, the single-phase power supply is arranged on the single-phase relay and supplies power to the single-phase relay, the single-phase power supply is connected with the relay coil through the leads, the relay coil is connected with the micro relay coil through the leads, two contacts of the micro relay coil are a micro relay normally closed contact and a micro relay normally open contact, the relay coil is also connected with the oil-water identification contact switch through the leads, and the micro relay coil power supply is supplied by.

Technical Field

The invention relates to the technical field of electronic machinery, in particular to an oil-water separator.

Background

The oil-water separation machinery occupies an important position in current environment-friendly machinery, for example, oil carriers leak by accident during sailing at sea, oil pipelines of oil drilling platforms leak by accident and cause great pollution to sea water and environment, oil components are not allowed to be contained in water during river drainage treatment, the oil film is attached to the water surface, oxygen in the air cannot be supplemented into the water in time, fishes and shrimps in the water cause anoxic death, food waste generated daily in life contains a large amount of grease, the grease in sewage needs to be separated out during treatment, and oil-water separation equipment needs to have a certain concentration function in order to achieve the purpose of waste utilization.

At present, developed countries in the world are vigorously developing oil-water separation machines, mainly stay developing and developing oil-water separation devices by means of physical properties of oil-water buoyancy value differences, the effects are not ideal in tests and use, and the oil-water separation machines are not suitable for large-scale rapid concentration, and the domestic oil-water separation machines are rapidly developed in the near term and are on the same level with the foreign development.

The specific gravity of the purified water is 1, the specific gravity of the edible oil is 0,92, and the specific gravity difference value is 0,08, the difference value is small, the generated buoyancy difference is also small, and certain difficulty is caused in manufacturing the buoyancy method oil-water separator.

In addition, most oil-water separation machines adopt pumping mixed liquid, and the oil separation precision of a buoyancy method is poor due to the fact that the liquid level is in a fluctuation state, so that the oil content in water cannot reach the standard specified by environmental protection after treatment, and the oil still contains part of sewage.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide an oil-water separator to solve the problems mentioned in the background art.

The invention is realized by the following technical scheme: the utility model provides an oil-water separator, includes water oil interface recognition device, water oil separating machine case and linear electric motor, the linear bearing guide rail is installed perpendicularly to water oil separating machine incasement portion, and one side of linear bearing guide rail is equipped with a lead screw, the lead screw quilt linear electric motor drive, linear electric motor is controlled by water oil interface recognition device, parallel arrangement between lead screw and the linear bearing guide rail, install the screw-nut that reciprocates along the lead screw on the lead screw, slidable mounting has linear bearing on the linear bearing guide rail, installs the connecting rod between linear bearing and the screw-nut, the oil pump with the oil suction is installed on the screw-nut right side, water oil interface recognition device installs the right side in the oil.

According to the preferable technical scheme, a screw rod tray is installed on the bottom surface of the oil-water separation case, a case cover for covering the oil-water separation case is installed at the upper end of the oil-water separation case, a linear motor is installed on a cover plate, a rotating shaft of the linear motor penetrates through the cover plate to extend into the oil-water separation case and is installed at the upper end of a screw rod, the lower end of the screw rod is installed on the screw rod tray, the screw rod is driven to rotate by the linear motor, and a screw rod nut vertically moves up and down along the.

As the preferred technical scheme, a liquid pump and a water inlet pipe are installed on the left side of an oil-water separation case, an oil-water mixture is injected into the oil-water separation case through the liquid pump and the water inlet pipe, an oil layer floats above a water layer, an oil-water separation layer is formed between the oil layer and the water layer, an oil-water interface recognition device penetrates through the oil-water separation layer to be in contact with the surface of the water layer, a gap between an oil pump suction port of the oil pump and the oil-water interface recognition device needs to be larger than the thickness of the oil-water separation layer, an oil pump suction port of the oil pump.

As the preferred technical scheme, a drain pipe is installed on the right side of the oil-water separation machine box.

As the preferred technical scheme, the oil-water interface recognition device comprises an oil-water recognition contact switch, a single-phase relay, a single-phase power supply, a relay coil and a miniature relay coil, wherein two contacts of the oil-water recognition contact switch are divided into a left contact and a right contact, and the distance between the two contacts is 10-15 mm;

the positive and negative ends of the single-phase relay are respectively electrically connected with the positive and negative ends of the linear motor through leads, the single-phase power supply is arranged on the single-phase relay and supplies power to the single-phase relay, the single-phase power supply is connected with a relay coil lead, the relay coil is connected with a miniature relay coil lead, two contacts of the miniature relay coil are a miniature relay normally closed contact and a miniature relay normally open contact, the relay coil is also connected with an oil-water identification contact switch lead, and the miniature relay coil power supply is supplied by a battery pack.

The invention has the beneficial effects that:

1. the liquid level can achieve non-fluctuation oil discharge, the purity of oil is guaranteed, the searching of the oil-water separation layer is fast, and the position is accurate.

2. The oil-water separation speed is high, the electricity is saved, the equipment is safe and reliable in operation, the failure rate is low, the specific volume of the equipment and similar products is small, the occupied area is small, and the manufacturing cost is low.

3. The invention replaces the prior oil-water separation equipment by an oil-water specific gravity method, solves the problem of difficult capture of an oil-water dividing point, and provides an advanced technological method for oil-water separation mechanical equipment.

4. The oil-water separation method can be made into small equipment, can also be made into large equipment for ships at sea, and can also be used as environment-friendly equipment for oil field exploitation and oil refineries.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a circuit diagram of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, the oil-water separator of the present invention includes an oil-water interface recognition device, an oil-water separation case 24 and a linear motor 1, wherein a linear bearing guide rail 15 is vertically installed inside the oil-water separation case 24, a lead screw 11 is installed on one side of the linear bearing guide rail 15, the lead screw 11 is driven by the linear motor 1, the linear motor 11 is controlled by the oil-water interface recognition device, the lead screw 11 and the linear bearing guide rail 15 are arranged in parallel, a lead screw nut 12 moving up and down along the lead screw is installed on the lead screw 11, a linear bearing 13 is installed on the linear bearing guide rail 15 in a sliding manner, a connecting rod is installed between the linear bearing 13 and the lead screw nut 12, an oil pump 21 for sucking out oil is installed on the right side of the lead screw.

In this embodiment, a screw rod tray 16 is installed on the bottom surface of the oil-water separator box 24, a box cover 9 covering the oil-water separator box 24 is installed at the upper end of the oil-water separator box 24, the linear motor 1 is installed on the cover plate 9, a rotating shaft of the linear motor 1 penetrates through the cover plate 9 and extends into the oil-water separator box 24 and is installed at the upper end of the screw rod 11, the lower end of the screw rod 11 is installed on the screw rod tray 16, the screw rod 11 is driven by the linear motor 1 to rotate, and the screw rod nut 12 vertically moves up and down along the screw rod 11 and the.

In this embodiment, a liquid pump and a water inlet pipe 14 are installed on the left side of an oil-water separator box 24, the oil-water separator box 24 injects an oil-water mixture through the liquid pump and the water inlet pipe 14, an oil layer 22 floats above a water layer 18, an oil-water separation layer 19 is formed between the oil layer 22 and the water layer 18, an oil-water interface recognition device penetrates through the oil-water separation layer 19 to contact with the surface of the water layer 18, a gap between an oil pump suction port of an oil pump 21 and the oil-water interface recognition device needs to be larger than the thickness of the oil-water separation layer 19, the oil pump suction port of the oil pump 21 is arranged in the oil layer 22, and.

In this embodiment, a drain pipe 25 is attached to the right side of the oil-water separator tank 24.

In the embodiment, the oil-water interface recognition device comprises an oil-water recognition contact switch 8, a single-phase relay 2, a single-phase power supply 3, a relay coil 4 and a micro relay coil 5, wherein two contacts of the oil-water recognition contact switch 17 are divided into a left contact and a right contact, and the distance between the two contacts is 10-15 mm;

the positive and negative ends of the single-phase relay 2 are respectively connected with the positive and negative ends of the linear motor 1 through leads, the single-phase power supply 3 is installed on the single-phase relay 2 and supplies power to the single-phase relay 2, the single-phase power supply 3 is connected with the relay coil 4 through leads, the relay coil 4 is connected with the miniature relay coil 5 through leads, two contacts of the miniature relay coil 5 are a miniature relay normally closed contact 6 and a miniature relay normally open contact 7, the relay coil 4 is further connected with an oil-water identification contact switch 8 through leads, and the power supply of the miniature relay coil 5 is supplied by a battery pack.

The oil and water have a boundary in the standing condition, and according to the experimental results, the boundary between the oil and water interface is clear at normal temperature, and the line width is also unequal due to different types of oil, generally between 0,5-3 mm, which is regarded as an oil-water mixture.

The invention carries out deep research on the oil-water interface, and can conveniently finish the oil-water separation work as long as an electronic instrument can identify the oil-water interface and can accurately determine the position of the space in the scanning process.

The thickness of the oil-water interface is determined through experiments, the gap between the oil pump suction port and the oil-water identification contact switch is larger than the thickness of the oil-water interface, the purity of oil is ensured, the accumulated total thickness of the interface has small change under the micro-dynamic condition due to the conditions of water fluctuation, temperature change in a temperature difference range and the like, and the optimal oil absorption position can be obtained through fine adjustment of a fine adjustment screw in the working process.

The oil-water recognition contact switch has two contacts which are divided into a left contact and a right contact, the distance between the two contacts is 10-15 mm, when the contacts touch pure water, the oil-water recognition contact switch is disconnected, the motor stops, the contacts stop below an oil-water interface, a suction port of the oil pump stops in a pure oil layer, and the oil pump is started to discharge oil.

The invention is irrelevant to the specific gravity and the buoyancy of oil water and mainly relevant to the resistivity of water and oil, the pure water and the water containing impurities are electric conductors, the pure oil is not conductive, the interface of the oil and the water is distinguished by utilizing the conductivity of the oil water, the oil water identification switch is used for scanning and searching up and down, the position of the interface of the oil water is accurately determined, and the oil pump is started to absorb the floating oil on the upper layer of the water.

The oil-water separation can be completed by repeating the operation according to the program.

The oil-water identification contact switch power supply works by adopting a direct-current low-voltage safety power supply.

Linear electric motor 1 is the actuating mechanism who accomplishes the separation layer of oil and water scanning work, and profit discernment contact switch 8 does not move in oil, meets water electrically conductive, and miniature relay coil 5 has the electric current to pass through, makes miniature relay contact 6 swing to miniature relay normally open contact 7, makes the circuit disconnection, and relay coil 4 outage, single phase relay 2 opens circuit, and linear electric motor 1 stall, single phase relay 2's power is supplied with by single phase power 3, and miniature relay coil 5 power is supplied with by the group battery.

Firstly, injecting an oil-water mixture into a tank, automatically stopping pumping when the oil-water mixture reaches the elevation, standing for one to two minutes, starting a linear motor 1 to scan from top to bottom, stopping the linear motor after an oil-water identification contact switch 8 touches water, enabling an oil pump 21 to have an oil pump oil suction port 10 right at the bottom of an oil layer, starting an oil pump 21 to discharge oil out of the tank, repeatedly operating to complete oil-water separation, enabling the part of oil with the thickness of an oil-water separation layer 19 to participate in separation operation all the time through multiple cycles, and discharging the part of oil when equipment is maintained.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.