CN212102409U - Oily wastewater treatment device - Google Patents

Oily wastewater treatment device Download PDF

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Publication number
CN212102409U
CN212102409U CN201921085462.2U CN201921085462U CN212102409U CN 212102409 U CN212102409 U CN 212102409U CN 201921085462 U CN201921085462 U CN 201921085462U CN 212102409 U CN212102409 U CN 212102409U
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China
Prior art keywords
oil
tank body
breakdown
collecting vessel
evaporimeter
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CN201921085462.2U
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Chinese (zh)
Inventor
刘伟
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Suzhou Xitu Environmental Protection Technology Co ltd
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Suzhou Xitu Environmental Protection Technology Co ltd
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Priority to CN201921085462.2U priority Critical patent/CN212102409U/en
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Abstract

The utility model discloses an oily wastewater treatment device, this kind of oily wastewater treatment device include oil interceptor, breakdown of emulsion deoiling jar, buffer pool, single-effect forced circulation evaporimeter, scraper blade evaporimeter, concentrate collecting vessel and oil slick collecting vessel, the discharge gate of oil interceptor is connected to the breakdown of emulsion deoiling jar through the elevator pump, according to the treatment water yield, can set up a plurality of breakdown of emulsion deoiling jars, and breakdown of emulsion deoiling jar bottom discharge gate is connected to the buffer pool through the delivery pump, and the buffer pool is connected to single-effect forced circulation evaporimeter through the scraper blade charge pump, and single-effect forced circulation evaporimeter exports fluid connection to the scraper blade evaporimeter, and the scraper blade evaporimeter is handled and is collected the oil slick and carry the oil slick collecting vessel, and the concentrate collecting vessel is carried to the scraper blade evaporimeter, the upper oil-out port of oil interceptor, breakdown of emulsion deoiling jar and concentrate collecting. In this way, the utility model discloses with low costs, the installation of being convenient for avoids the oil reservoir to float at the liquid level, hinders the evaporation, can thoroughly strike off the greasy dirt.

Description

Oily wastewater treatment device
Technical Field
The utility model relates to a sewage treatment technical field especially relates to an oily wastewater treatment device.
Background
The industrial sewage often contains oil liquid, such as lubricating oil and the like, in the treatment process of the oil-containing sewage, the oil liquid is separated from the sewage in various modes, such as a precipitation separation mode, the density of the used water is higher than that of the oil, the oil overflows from the upper end, hardware equipment is complex, and the cost investment is large; the method also has a chemical extraction mode, consumes a large amount of chemical reagents, can cause new pollution, and is not suitable for treating a large amount of oily wastewater; the evaporator evaporates and removes oil, an oil layer floats on the liquid surface, the liquid surface is slowly updated, the evaporation is blocked, the treatment capacity is small, the evaporator is often designed to be high in size, the cost is high, the installation is difficult, and based on the defects and the shortcomings, the existing technology needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides an oily effluent treatment plant, simple structure, reasonable in design, the coil pipe design cost is low, and the installation of being convenient for avoids the oil reservoir to float at the liquid level, hinders the evaporation, can thoroughly strike off the greasy dirt, and the handling capacity is big.
In order to solve the technical problem, the utility model discloses a technical scheme be: the oily wastewater treatment device comprises an oil separation tank, a demulsification oil removal tank, a buffer tank, a single-effect forced circulation evaporator, a scraper evaporator, a concentrated liquid collecting tank and a floating oil collecting tank, wherein the oil separation tank is connected with the oily wastewater, the oil separation tank is used for primarily scraping the oily wastewater, a discharge port of the oil separation tank is connected to the demulsification oil removal tank through a lift pump, a plurality of demulsification oil removal tanks can be arranged according to the treatment water amount, the demulsification oil removal tank is used for carrying out oil-water separation treatment on the oily wastewater by adding a demulsifier, a discharge port at the bottom of the demulsification oil removal tank is connected to the buffer tank through a delivery pump, the buffer tank is connected to the single-effect forced circulation evaporator through a scraper feed pump, the single-effect forced circulation evaporator outputs liquid to be connected to the scraper evaporator, the floating oil is treated and collected by the scraper evaporator and conveyed to the floating oil collecting tank, and the concentrated liquid is treated by the scraper, and the oil outlets on the upper layers of the oil separation tank, the demulsification oil removal tank and the concentrated solution collecting tank are connected to a floating oil collecting barrel.
Preferably, the scraper evaporator comprises a tank body, a coil pipe, a liquid distributor, a motor, a connecting shaft and an oil scraping assembly, wherein two feed inlets are arranged on the upper portion of the tank body, a discharge outlet is formed in the bottom of the tank body, the outer wall of the tank body is provided with the coil pipe, circulating hot water is arranged in the coil pipe, the liquid distributor communicated with the feed inlets is arranged in the tank body, the liquid distributor is used for enabling liquid to be treated to flow downwards along the inner wall of the tank body, the motor is arranged on the upper cover of the tank body, the motor drives the connecting shaft to rotate, the connecting shaft is vertically arranged till the bottom of the.
Preferably, the oil scraping assembly comprises a connecting plate, a scraping plate and a scraping strip, the connecting plate is sleeved on the connecting shaft and transversely arranged, the scraping plate is arranged at the extending end of the connecting plate and is in a C shape, and the scraping strip is arranged between the opening of the scraping plate and the tank body.
Preferably, the scraping strip is made of soft materials, can be in close contact with the inner wall of the tank body, and can thoroughly scrape oil stains.
Compared with the prior art, the beneficial effects of the utility model are that:
the structure is simple, the design is reasonable, and compared with the jacket design, the design cost of the coil pipe is low, and the installation is convenient;
the liquid to be treated flows downwards along the inner wall of the tank body, so that an oil layer is prevented from floating on the liquid level to block evaporation;
the scraping strip is tightly contacted with the tank body, so that oil stains can be thoroughly scraped;
the throughput is large compared to conventional designs.
Drawings
FIG. 1 is a schematic view of a structure of an oily wastewater treatment apparatus.
FIG. 2 is a schematic view of a scraper evaporator of an oily wastewater treatment device.
FIG. 3 is a top view of an oil scraping assembly of an oily wastewater treatment device.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to make clear and definite definitions of the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention includes:
an oily wastewater treatment device comprises an oil separation tank 1, a demulsification oil removal tank 2, a buffer tank 3, a single-effect forced circulation evaporator 4, a scraper evaporator 5, a concentrated solution collecting tank 6 and a floating oil collecting barrel 7, wherein the oil separation tank 1 is connected with oily wastewater, the oil separation tank 1 is used for primarily scraping the oily wastewater, a discharge port of the oil separation tank 1 is connected to the demulsification oil removal tank 2 through a lift pump, a plurality of demulsification oil removal tanks 2 can be arranged according to the treatment water amount, the demulsification oil removal tanks 2 are used for performing oil-water separation treatment on the oily wastewater by adding demulsifiers, a discharge port at the bottom of each demulsification oil removal tank 2 is connected to the buffer tank 3 through a conveying pump, the buffer tank 3 is connected to the single-effect forced circulation evaporator 4 through a scraper feed pump, the output liquid of the single-effect forced circulation evaporator 4 is connected to the scraper evaporator 5, the scraper evaporator 5 is used for treating and collecting the floating oil and conveying to the floating oil collecting, and the concentrated solution treated by the scraper evaporator 5 is conveyed to a concentrated solution collecting tank 6, and the upper oil outlets of the oil separation tank 1, the demulsification oil removal tank 2 and the concentrated solution collecting tank 6 are connected to a floating oil collecting barrel 7.
The scraper evaporator 5 comprises a tank body 51, a coil pipe 52, a liquid distributor 53, a motor 54, a connecting shaft 55 and an oil scraping assembly 56, wherein two feed inlets 511 are formed in the upper portion of the tank body 51, a discharge outlet 512 is formed in the bottom of the tank body 51, the coil pipe 52 is arranged on the outer wall of the tank body 51, circulating hot water is filled in the coil pipe 52, the liquid distributor 53 communicated with the feed inlets 511 is arranged in the tank body 51, the liquid distributor 53 is used for enabling liquid to be treated to flow downwards along the inner wall of the tank body 51, the motor 54 is arranged on the upper cover of the tank body 51, the motor 54 drives the connecting shaft 55 to rotate, the connecting shaft 55 is vertically arranged to the bottom of the tank body.
The oil scraping assembly 56 comprises a connecting plate 561, a scraping plate 562 and scraping strips 563, the connecting plate 561 is sleeved on the connecting shaft 55, the connecting plate 561 is transversely arranged, the scraping plate 562 is installed at the extending end of the connecting plate 561, the scraping plate 562 is in a C shape, and the scraping strips 563 are installed between the opening of the scraping plate 562 and the tank body 51.
The scraping strip 563 is made of soft material, and the scraping strip 563 can be in close contact with the tank body 51, so that oil stains can be thoroughly scraped.
The utility model relates to an oily wastewater treatment device, simple structure, reasonable in design, the coil pipe design cost is low, and the installation of being convenient for avoids the oil reservoir to float at the liquid level, hinders the evaporation, can thoroughly strike off the greasy dirt, and the handling capacity is big.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (4)

1. The utility model provides an oily effluent treatment plant which characterized in that: this kind of oily wastewater treatment device includes oil interceptor, breakdown of emulsion deoiling jar, buffer pool, single-effect forced circulation evaporimeter, scraper evaporator, concentrate collecting vessel and oil slick collecting vessel, oily waste water is connected to the oil interceptor, and the discharge gate of oil interceptor is connected to the breakdown of emulsion deoiling jar through the elevator pump, and breakdown of emulsion deoiling jar bottom discharge gate is connected to the buffer pool through the delivery pump, and the buffer pool is connected to single-effect forced circulation evaporimeter through the scraper feeding pump, and single-effect forced circulation evaporimeter output liquid is connected to the scraper evaporator, and the scraper evaporator is handled and is collected the oil slick and carry the oil slick collecting vessel, and concentrate collecting vessel is carried to the scraper evaporator treatment concentrate, the upper oil-out ports of oil interceptor, breakdown of emulsion deoiling jar and concentrate collecting vessel are connected to the oil slick collecting vessel.
2. The oily wastewater treatment apparatus according to claim 1, characterized in that: the scraper evaporator comprises a tank body, a coil pipe, a liquid distributor, a motor, a connecting shaft and an oil scraping assembly, wherein two feed inlets are arranged on the upper portion of the tank body, a discharge outlet is formed in the bottom of the tank body, the outer wall of the tank body is provided with the coil pipe, circulating hot water is arranged in the coil pipe, the liquid distributor communicated with the feed inlets is arranged in the tank body, the liquid distributor is used for enabling liquid to be treated to flow downwards along the inner wall of the tank body, the motor is arranged on an upper cover of the tank body, the motor drives the connecting shaft to rotate, the connecting shaft is vertically arranged until the bottom.
3. The oily wastewater treatment apparatus according to claim 2, characterized in that: the oil scraping component comprises a connecting plate, a scraping plate and a scraping strip, the connecting plate is sleeved on the connecting shaft and transversely arranged, the scraping plate is installed at the extending end of the connecting plate and is in a C-shaped shape, and the scraping strip is installed between the opening of the scraping plate and the tank body.
4. The oily wastewater treatment apparatus according to claim 3, characterized in that: the scraping strip is made of soft materials, can be in close contact with the inner wall of the tank body, and can thoroughly scrape oil stains.
CN201921085462.2U 2019-07-11 2019-07-11 Oily wastewater treatment device Active CN212102409U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921085462.2U CN212102409U (en) 2019-07-11 2019-07-11 Oily wastewater treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921085462.2U CN212102409U (en) 2019-07-11 2019-07-11 Oily wastewater treatment device

Publications (1)

Publication Number Publication Date
CN212102409U true CN212102409U (en) 2020-12-08

Family

ID=73620861

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921085462.2U Active CN212102409U (en) 2019-07-11 2019-07-11 Oily wastewater treatment device

Country Status (1)

Country Link
CN (1) CN212102409U (en)

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