CN210367258U

CN210367258U - Floating oil separating device with ozone sterilization module for waste liquid recovery system

Info

Publication number: CN210367258U
Application number: CN201921063356.4U
Authority: CN
Inventors: 卢裕灿; 洪双
Original assignee: Nanjing Tangze Chemical Co ltd
Current assignee: Nanjing Tangze Chemical Co ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-04-21
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a take oil slick separator of ozone sterilization module for waste liquid recovery system, including the host computer shell, locate driving motor, speed reducer, mounting panel, oil storage tank and oxygen enrichment ware on host computer shell upper portion, locate ozone generator and electrical system in the host computer shell and locate the branch oil trompil sleeve pipe of host computer shell lower part, divide oil to mix screw rod, ozone conveyer pipe and ozone aeration head. The device can make the waste liquid in the recovery pond carry out the oil slick separation simultaneously and deoil and ozone aeration germicidal treatment, divide the rotation that oil mixxed the screw rod to make the waste liquid mixxed, further improved aeration efficiency, the waste liquid after deoiling and germicidal treatment carries to follow-up processing apparatus and continues to handle the purification to recycle reaches the purpose of environmental protection and lean production.

Description

Floating oil separating device with ozone sterilization module for waste liquid recovery system

Technical Field

The invention belongs to the technical field of machining, metal die casting and environment-friendly machinery, and particularly relates to a floating oil separating device with an ozone sterilization module for a waste liquid recovery system.

Background

The mechanical processing comprises metal cutter cutting processing, abrasive grinding processing and the like, and generally cutting fluid is adopted to cool and lubricate a cutter and a processed part so as to ensure the processing quality such as machining precision, roughness and the like; in the metal die casting process, a mold cavity is sprayed with a mold release agent so as to smoothly obtain a high-quality casting.

At present, the machining industry generally adopts water-based cutting fluid containing mineral oil and (or) chemically synthesized base oil, the cutting fluid is mixed with various additives due to the functional requirements of lubrication, cleaning, rust prevention, bacteriostasis and the like, lubricating oil, cutting scraps, particle impurities abraded by equipment and tools and the like can be mixed in the machining process, and the post-treatment difficulty of the cutting fluid needing to be recycled and reused is increased; the die-casting industry generally adopts a water-based release agent which is a water-based emulsion, the main components of the water-based release agent are modified silicone oil, oxidized polyethylene wax, synthetic ester and other active agents, and various additives, and the die-casting release agent has serious flow and dripping leakage when being sprayed and used; many components of machining cutting fluid and die-casting release agent are harmful to the environment, and if the waste fluid of the cutting fluid and the release agent cannot be recycled, resources are wasted, the environment is polluted, and the three wastes treatment, operation and maintenance cost of a factory is high.

The existing waste liquid recovery system has the following problems: the floating oil separation effect of the waste liquid in the recovery tank is poor, the waste liquid, particularly emulsion, is easy to deteriorate and lose efficacy and emit peculiar smell, the variation of the recovered components is difficult to control, the influence of the waste liquid of mixed oil on the service life of a subsequent filtering device is serious, the quality of the recycled cutting fluid and the release agent is poor, the processing quality is influenced, and even the service life of equipment is shortened.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide a floating oil separation device with an ozone sterilization module for a waste liquid recovery system, which is used for overcoming the defects of the prior art.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

a floating oil separation device with an ozone sterilization module for a waste liquid recovery system comprises a main case, a driving motor, a speed reducer, a mounting plate, an oil storage tank and an oxygen enricher which are arranged at the upper part of the main case, an ozone generator and an electric control system which are arranged in the main case, and an oil distribution perforated sleeve, an oil distribution stirring screw rod, an ozone conveying pipe and an ozone aeration head which are arranged at the lower part of the main case; the oil storage tank is fixedly arranged at the top of the main case, an installation plate is arranged at the top of the oil storage tank, the installation plate is fixedly connected with the top of the main case through a bolt, a speed reducer is fixedly arranged at the upper part of the installation plate, the upper part of the speed reducer is fixedly connected with a driving motor, and the input end of the speed reducer is connected with the output end of the driving motor; the oil distribution perforated sleeve and the oil distribution stirring screw rod are vertically arranged at the lower part of the main machine shell, the oil distribution stirring screw rod is coaxially sleeved in the oil distribution perforated sleeve, and the oil distribution stirring screw rod is in clearance fit with the oil distribution perforated sleeve; the top of the oil distribution perforated sleeve penetrates through the bottom of the main case to be communicated with the bottom of the oil storage tank, and the top of the oil distribution stirring screw penetrates through the mounting plate to be connected with the output end of the speed reducer; when the driving motor rotates, the oil distribution stirring screw rod is driven to rotate through the speed reducer, and then the waste liquid is driven to move upwards along the inner wall of the oil distribution perforated sleeve; the oxygen concentrator is fixedly arranged at the top of the main machine shell and positioned on one side of the oil storage tank, and an air outlet end of the oxygen concentrator is communicated with an air inlet end of the ozone generator and used for supplying air to the ozone generator; one end of the ozone conveying pipe penetrates through the bottom of the main case to be connected with an air outlet end of an ozone generator, the other end of the ozone conveying pipe is provided with an ozone aeration head, and the ozone generator conveys ozone to the ozone aeration head through the ozone conveying pipe for carrying out aeration sterilization on waste liquid; the electric control system is electrically connected with the driving motor, the oxygen enricher and the ozone generator.

In order to optimize the technical scheme, the specific measures adopted further comprise:

the side wall of the oil distribution perforated sleeve is vertically and uniformly distributed with a plurality of through holes.

The helix angle range of the oil-distributing stirring screw is 12-26 degrees, and the tooth form angle range is 10-30 degrees.

The oxygen enricher comprises an air blower, a molecular sieve reactor, a vacuum pump, an air inlet valve and an air outlet valve, wherein one end of the air blower is connected with the air inlet end of the molecular sieve reactor through the air inlet valve, and the air outlet end of the molecular sieve reactor is connected with the vacuum pump through the air outlet valve.

The molecular sieve in the molecular sieve reactor is a carbon molecular sieve, and the carbon molecular sieve is arranged in the middle of the molecular sieve reactor.

The ozone generator comprises a discharge chamber, wherein the discharge chamber is transversely arranged and sequentially comprises a gas collecting part, an electrode part and a gas outlet part from left to right; an air inlet is arranged below the air collecting part and is connected with a vacuum pump of the oxygen enricher through a pipeline; the electrode part is fixedly provided with a plurality of electrode plates from top to bottom, the electrode plates are connected in parallel, each electrode plate is connected with the same high-frequency high-voltage alternating-current power supply, and an insulator is arranged between every two adjacent electrode plates and a gap is reserved between every two adjacent electrode plates; and a gas outlet is arranged below the gas outlet part and is connected with the ozone conveying pipe.

The bottom of the outer side wall of the electrode part is provided with a water inlet, the top of the outer side wall of the electrode part is provided with a water outlet, a plurality of cooling pipelines vertical to the electrode plate are arranged in the electrode part, the cooling pipelines form a cooling water loop with an external cold water source through the water inlet and the water outlet, and the cooling pipelines are in contact with the electrode plate and used for cooling the electrode plate.

The voltage of the high-frequency high-voltage alternating current power supply is 10-15kv, and the concentration of ozone prepared by the ozone generator is 15 mg/L.

The surface of the host shell is also provided with a working condition indicator, a host expansion port, a host control port and a host switch; the working condition indicator, the host expansion port and the host control port are connected with the electric control system, and the host switch is used for controlling the switch of the electric control system.

And a protective filter cover is arranged on one side end face of the main machine shell.

The invention has the following advantages:

the device can simultaneously carry out floating oil separation and oil removal and ozone aeration sterilization treatment on the waste liquid in the recovery tank, the waste liquid is stirred by the rotation of the oil stirring screw rod, the aeration efficiency is further improved, and the waste liquid after oil removal and sterilization treatment is conveyed to a subsequent treatment device for continuous treatment and purification so as to be recycled and achieve the purposes of environmental protection and lean production. The invention reduces the operation load of a subsequent treatment device, particularly a filtering device, obviously prolongs the service life of the filter element, greatly improves the filtering efficiency, and ensures that the waste liquid after ozone sterilization treatment is not easy to be rotten and deteriorated and does not emit peculiar smell to pollute the production environment.

Drawings

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

Fig. 2 is a top view of the structure of the present invention.

Fig. 3 is a schematic structural view of the oil-distributing perforated sleeve of the present invention.

Fig. 4 is a schematic diagram of the structure of the oxygen concentrator of the present invention.

Fig. 5 is a schematic view of the operation of the ozone generator of the present invention.

Fig. 6 is a schematic view of the oil removal installation of the present invention.

Fig. 7 is a connection block diagram of the electric control system of the present invention.

In the figure, the serial numbers of 1-a main machine shell, 2-a driving motor, 3-a speed reducer, 4-a mounting plate, 5-an oil storage tank, 6-an oxygen concentrator, 7-an ozone generator, 8-an oil separation perforated sleeve, 9-an oil separation stirring screw, 10-an ozone conveying pipe, 11-an ozone aeration head, 12-a working condition indicator, 13-a main machine expansion port, 14-a main machine control port, 15-a main machine switch, 16-a protective filter cover, 41-a bolt, 61-an air blower, 62-a molecular sieve reactor, 63-a vacuum pump, 64-an air inlet valve, 65-an air outlet valve, 71-a discharge chamber, 72-an air collection part, 73-an electrode part, 74-an air outlet part, 75-a water inlet, 76-a water outlet, 76-a gas, 77-cooling pipeline, 621-carbon molecular sieve, 721-air inlet, 731-electrode plate, 732-high-frequency high-voltage alternating current power supply, 733-insulator and 741-air outlet.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Referring to fig. 1-2, the floating oil separating device with an ozone sterilization module for a waste liquid recovery system comprises a main case 1, a driving motor 2, a speed reducer 3, a mounting plate 4, an oil storage tank 5 and an oxygen enricher 6 which are arranged at the upper part of the main case 1, an ozone generator 7 and an electric control system which are arranged in the main case 1, and an oil-distributing perforated sleeve 8, an oil-distributing stirring screw 9, an ozone conveying pipe 10 and an ozone aeration head 11 which are arranged at the lower part of the main case 1; the oil storage tank 5 is fixedly arranged at the top of the main case 1, the mounting plate 4 is arranged at the top of the oil storage tank 5, the mounting plate 4 is fixedly connected with the top of the main case 1 through a bolt 41, the speed reducer 3 is fixedly arranged at the upper part of the mounting plate 4, the driving motor 2 is fixedly connected with the upper part of the speed reducer 3, and the input end of the speed reducer 3 is connected with the output end of the driving motor 2; the oil distribution perforated sleeve 8 and the oil distribution stirring screw 9 are vertically arranged at the lower part of the main case 1, the oil distribution stirring screw 9 is coaxially sleeved in the oil distribution perforated sleeve 8, and the oil distribution stirring screw 9 is in clearance fit with the oil distribution perforated sleeve 8; the top of the oil distribution perforated sleeve 8 penetrates through the bottom of the main case 1 to be communicated with the bottom of the oil storage tank 5, and the top of the oil distribution stirring screw rod 9 penetrates through the mounting plate 4 to be connected with the output end of the speed reducer 3; when the driving motor 2 rotates, the speed reducer 3 drives the oil distribution stirring screw rod 9 to rotate, and further drives the waste liquid to move upwards along the inner wall of the oil distribution perforated sleeve 8; the oxygen enricher 6 is fixedly arranged at the top of the main machine shell 1 and positioned at one side of the oil storage tank 5, and the air outlet end of the oxygen enricher 6 is communicated with the air inlet end of the ozone generator 7 and is used for providing an air source for the ozone generator 7; one end of the ozone conveying pipe 10 penetrates through the bottom of the main case 1 to be connected with an air outlet end of the ozone generator 7, the other end of the ozone conveying pipe 10 is provided with an ozone aeration head 11, and the ozone generator 7 conveys ozone to the ozone aeration head 11 through the ozone conveying pipe 10 and is used for carrying out aeration sterilization on waste liquid; the electric control system is electrically connected with the driving motor 2, the oxygen enricher 6 and the ozone generator 7.

In this embodiment, referring to fig. 3, a plurality of through holes 81 are vertically and uniformly distributed on the sidewall of the oil distribution perforated sleeve 8. When the waste liquid is upward along the inner wall of the oil separation perforated sleeve 8, because the proportion, viscosity and surface tension of oil and water in the waste liquid are different, other heavier parts in the waste liquid such as water flow down from the through hole 81, and grease is pushed to the waste oil storage tank 5, so that the purpose of separating floating oil is achieved.

In this embodiment, in order to achieve a good floating oil separation effect, the helix angle range of the oil-separating stirring screw 9 is 12 to 26 °, and the tooth form angle range is 10 to 30 °.

In this embodiment, referring to fig. 4, the oxygen concentrator 6 includes a blower 61, a molecular sieve reactor 62, a vacuum pump 63, an air inlet valve 64 and an air outlet valve 65, wherein one end of the blower 61 is connected to the air inlet end of the molecular sieve reactor 62 through the air inlet valve 64, and the air outlet end of the molecular sieve reactor 62 is connected to the vacuum pump 63 through the air outlet valve 65. The molecular sieve in the molecular sieve reactor 62 is a carbon molecular sieve 621, and the carbon molecular sieve 621 is arranged in the middle of the molecular sieve reactor 62. When the blower 61 blows air into the molecular sieve reactor 62, the oxygen amount adsorbed by the carbon molecular sieve 621 in this period greatly exceeds the nitrogen amount adsorbed at the same time, so that oxygen is enriched in the microporous system of the carbon molecular sieve 621, and then the molecular sieve reactor 62 is vacuumized by the vacuum pump 63 to obtain oxygen-enriched gas to be introduced into the ozone generator 7.

In this embodiment, referring to fig. 5, the ozone generator 7 includes a discharge chamber 71, and the discharge chamber 71 is transversely disposed and includes a gas collecting portion 72, an electrode portion 73, and a gas outlet portion 74 in sequence from left to right; an air inlet 721 is arranged below the air collecting part 72, and the air inlet 721 is connected with a vacuum pump 63 of the oxygen concentrator 6 through a pipeline; the electrode part 73 is fixedly provided with a plurality of electrode plates 731 from top to bottom, the plurality of electrode plates 731 are connected in parallel, each electrode plate 731 is connected with the same high-frequency high-voltage alternating current power supply 732, and an insulator 733 is arranged between every two adjacent electrode plates 731 with a gap; an air outlet 741 is arranged below the air outlet 74, and the air outlet 741 is connected with the ozone delivery pipe 10. The ozone generator 7 is a process for converting oxygen into ozone by using the principle of high voltage discharge, i.e. high voltage alternating current is applied to an electrode plate 731 which is separated by an insulator 733 and has a certain gap, the dried and purified oxygen-enriched gas is allowed to pass through, when the high voltage alternating current reaches a voltage of 10-15kv, blue glow discharge is generated, and free high energy ions in corona dissociate O₂Molecule, polymerized to O by collision₃The concentration of the ozone prepared by the ozone generator 7 in the embodiment is 15mg/L, and the generated ozone enters the waste liquid through the ozone aeration head 11 to sterilize and deodorize the waste liquid, inhibit the propagation of harmful bacteria at low concentration and inhibit the propagation of harmful bacteria at high concentrationDirectly sterilizing.

In this embodiment, a water inlet 75 is arranged at the bottom of the outer side wall of the electrode portion 73, a water outlet 76 is arranged at the top of the outer side wall of the electrode portion 73, a plurality of cooling pipes 77 perpendicular to the electrode plate 731 are arranged in the electrode portion 73, the cooling pipes 77 form a cooling water loop with an external cold water source through the water inlet 75 and the water outlet 76, and the cooling pipes 77 are in contact with the electrode plate 731 and used for cooling the electrode plate 731. The external cold source can be a combination of a cold water tank and a pump, and the temperature of water in the cold water tank is less than 30 ℃.

In this embodiment, referring to fig. 7, the surface of the main chassis 1 is further provided with a working condition indicator 12, a main expansion port 13, a main control port 14, and a main switch 15; the working condition indicator 12, the host expansion port 13 and the host control port 14 are connected with an electric control system, the host expansion port 13 and the host control port 14 can be connected with corresponding modules of a manufacturing waste liquid recovery system for intelligent control, and the host switch 15 is used for controlling the switch of the electric control system, so that the floating oil separation device is controlled to be started and also used as a field emergency stop switch.

In this embodiment, a protective filter cover 16 is disposed on an end face of one side of the main chassis 1 for protecting the built-in electronic control system and the ozone generator 7, so as to adapt to a severe application environment around the waste liquid recovery tank.

The use process of the invention is as follows:

referring to fig. 6, the square frame is a recovery tank, the wave line is the liquid level of the waste liquid, the waste liquid recovery tank is arranged under the ground, and the upper part of the recovery tank is flush with the ground. The floating oil separating device is arranged at the position shown in the figure, wherein an oil separating perforated sleeve 8, an oil separating stirring screw 9, an ozone conveying pipe 10 and an ozone aeration head 11 are all positioned in waste liquid; the main machine switch 15 is turned on, the driving motor 2 drives the oil distribution stirring screw rod 9 to rotate, further the waste liquid is driven to upwards enter the oil storage tank 5 along the inner wall of the oil distribution perforated sleeve 8, the oxygen enrichment device 6 on the other side conveys oxygen-enriched gas into the ozone generator 7, the oxygen-enriched gas forms ozone under the high-voltage discharge effect of the ozone generator 7, the waste liquid is sterilized and deodorized through the ozone conveying pipe 10 to the ozone aeration head 11, harmful microorganisms in the recovered waste liquid are comprehensively inhibited and killed, the recoverable components in the waste liquid are prevented from being rotted and deteriorated, meanwhile, the oil distribution stirring screw rod 9 continuously rotates to enable the waste liquid to be stirred, and the effect of improving the ozone aeration efficiency is achieved.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.

Claims

1. The utility model provides a take oil slick separator of ozone sterilization module for waste liquid recovery system which characterized in that: the device comprises a main case (1), a driving motor (2), a speed reducer (3), a mounting plate (4), an oil storage tank (5) and an oxygen enricher (6) which are arranged on the upper part of the main case (1), an ozone generator (7) and an electric control system which are arranged in the main case (1), and an oil-distributing perforated sleeve (8), an oil-distributing stirring screw rod (9), an ozone conveying pipe (10) and an ozone aeration head (11) which are arranged on the lower part of the main case (1); the oil storage tank (5) is fixedly arranged at the top of the main case (1), the mounting plate (4) is arranged at the top of the oil storage tank (5), the mounting plate (4) is fixedly connected with the top of the main case (1) through a bolt (41), the upper part of the mounting plate (4) is fixedly provided with the speed reducer (3), the upper part of the speed reducer (3) is fixedly connected with the driving motor (2), and the input end of the speed reducer (3) is connected with the output end of the driving motor (2); the oil distribution perforated sleeve (8) and the oil distribution stirring screw rod (9) are vertically arranged at the lower part of the main case (1), the oil distribution stirring screw rod (9) is coaxially sleeved in the oil distribution perforated sleeve (8), and the oil distribution stirring screw rod (9) is in clearance fit with the oil distribution perforated sleeve (8); the top of the oil distribution perforated sleeve (8) penetrates through the bottom of the main case (1) to be communicated with the bottom of the oil storage tank (5), and the top of the oil distribution stirring screw rod (9) penetrates through the mounting plate (4) to be connected with the output end of the speed reducer (3); when the driving motor (2) rotates, the speed reducer (3) drives the oil distribution stirring screw rod (9) to rotate, and further drives the waste liquid to move upwards along the inner wall of the oil distribution perforated sleeve (8); the oxygen concentrator (6) is fixedly arranged at the top of the main machine shell (1) and is positioned at one side of the oil storage tank (5), and the air outlet end of the oxygen concentrator (6) is communicated with the air inlet end of the ozone generator (7) and is used for providing an air source for the ozone generator (7); one end of the ozone conveying pipe (10) penetrates through the bottom of the main case (1) to be connected with an air outlet end of the ozone generator (7), an ozone aeration head (11) is arranged at the other end of the ozone conveying pipe (10), and the ozone generator (7) conveys ozone to the ozone aeration head (11) through the ozone conveying pipe (10) and is used for carrying out aeration sterilization on waste liquid; the electric control system is electrically connected with the driving motor (2), the oxygen enricher (6) and the ozone generator (7).

2. The floating oil separating device with ozone sterilization module for waste liquid recovery system according to claim 1, wherein: a plurality of through holes (81) are vertically and uniformly distributed on the side wall of the oil distribution perforated sleeve (8).

3. The floating oil separating device with ozone sterilization module for waste liquid recovery system according to claim 1, wherein: the helix angle range of the oil-separating stirring screw (9) is 12-26 degrees, and the tooth form angle range is 10-30 degrees.

4. The floating oil separating device with ozone sterilization module for waste liquid recovery system according to claim 1, wherein: the oxygen concentrator (6) comprises an air blower (61), a molecular sieve reactor (62), a vacuum pump (63), an air inlet valve (64) and an air outlet valve (65), wherein one end of the air blower (61) is connected with the air inlet end of the molecular sieve reactor (62) through the air inlet valve (64), and the air outlet end of the molecular sieve reactor (62) is connected with the vacuum pump (63) through the air outlet valve (65).

5. The floating oil separating device with ozone sterilization module for waste liquid recovery system according to claim 4, wherein: the molecular sieve in the molecular sieve reactor (62) is a carbon molecular sieve (621), and the carbon molecular sieve (621) is arranged in the middle of the molecular sieve reactor (62).

6. The floating oil separating device with ozone sterilization module for waste liquid recovery system according to claim 4, wherein: the ozone generator (7) comprises a discharge chamber (71), wherein the discharge chamber (71) is transversely arranged and sequentially comprises a gas collecting part (72), an electrode part (73) and a gas outlet part (74) from left to right; an air inlet (721) is arranged below the air collecting part (72), and the air inlet (721) is connected with a vacuum pump (63) of the oxygen concentrator (6) through a pipeline; the electrode part (73) is fixedly provided with a plurality of electrode plates (731) from top to bottom, the electrode plates (731) are connected in parallel, each electrode plate (731) is connected with the same high-frequency high-voltage alternating current power supply (732), and an insulator (733) is arranged between every two adjacent electrode plates (731) with a gap; an air outlet (741) is arranged below the air outlet part (74), and the air outlet (741) is connected with the ozone conveying pipe (10).

7. The floating oil separating device with ozone sterilization module for waste liquid recovery system according to claim 6, wherein: the electrode part (73) is provided with a water inlet (75) at the bottom of the outer side wall, a water outlet (76) at the top, a plurality of cooling pipelines (77) vertical to the electrode plate (731) are arranged in the electrode part (73), the cooling pipelines (77) form a cooling water loop with an external cold water source through the water inlet (75) and the water outlet (76), and the cooling pipelines (77) are in contact with the electrode plate (731) and used for cooling the electrode plate (731).

8. The floating oil separating device with ozone sterilization module for waste liquid recovery system according to claim 7, wherein: the voltage of the high-frequency high-voltage alternating current power supply (732) is 10-15kv, and the concentration of ozone prepared by the ozone generator (7) is 15 mg/L.

9. The floating oil separating device with ozone sterilization module for waste liquid recovery system according to claim 1, wherein: the surface of the main machine shell (1) is also provided with a working condition indicator (12), a main machine expansion port (13), a main machine control port (14) and a main machine switch (15); the working condition indicator (12), the host expansion port (13) and the host control port (14) are connected with the electric control system, and the host switch (15) is used for controlling the on-off of the electric control system.

10. The floating oil separating device with ozone sterilization module for waste liquid recovery system according to claim 1, wherein: and a protective filter cover (16) is arranged on one side end face of the main case (1).