CN216404108U - Novel acidizing oil effluent disposal system - Google Patents
Novel acidizing oil effluent disposal system Download PDFInfo
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- CN216404108U CN216404108U CN202123019638.4U CN202123019638U CN216404108U CN 216404108 U CN216404108 U CN 216404108U CN 202123019638 U CN202123019638 U CN 202123019638U CN 216404108 U CN216404108 U CN 216404108U
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Abstract
The utility model belongs to the technical field of acidified oil wastewater treatment, and relates to a novel acidified oil wastewater treatment system which comprises flocculation and precipitation integrated equipment, wherein the surface of the flocculation and precipitation integrated equipment is connected with a cache tank through a pipeline, the surface of the cache tank is connected with a feed pump through a pipeline, and the surface of the feed pump is connected with a plate preheater through a pipeline. The novel acidification oil wastewater treatment system has the beneficial effects that by arranging the device and the high-efficiency tubular heat exchanger, the heat transfer coefficient is high, scaling is not easy, blocking is not easy, the wave bearing range is large, and the like, so that the system is very suitable for evaporation crystallization of materials containing inorganic salt and a large amount of organic matters, a forced circulation process is adopted, feed liquid in each effect is forced to flow, the problem that the organic matters can cause scaling and blocking of a heat exchange surface or even a tank body and a pipeline is avoided, crystals are deposited or scaled in the system, the blocking risk of the system is reduced, and the system is very suitable for working conditions that the organic matters are high in content and crystals are separated out.
Description
Technical Field
The utility model belongs to the technical field of acidified oil wastewater treatment, and particularly relates to a novel acidified oil wastewater treatment system.
Background
The acidified oil wastewater is high-salt, high-acid, high-organic matter and high-color wastewater generated in the industrial fatty acid production process, mainly contains glycerin, inorganic salt, acidic impurities and the like, and has high treatment difficulty and high treatment cost. At present, the treatment technology of the acidified oil wastewater mainly comprises three types: float process, dissolved air float process and evaporation process.
Although the two methods of the float-up method and the dissolved air float-up method can remove suspended impurities in wastewater, and are energy-saving and low in operating cost, the air-distributing float-up method has the defects that bubbles are not broken and fine, and the float-up effect is limited. In addition, the porous material is easy to block by adopting the aeration float process, so that the operation is influenced, and the problem of high salinity still cannot be solved.
Some enterprises try to treat the acidified oil wastewater by an MVR concentration and evaporation method, and discharge a concentrated solution (saturated salt solution) containing miscellaneous salts. The process also has the problems of large discharge, high investment cost and large difficulty in post-treatment.
In conclusion, the acidified oil wastewater is high-salt, high-organic matter and high-acid wastewater, aiming at material components, a combined process of flocculation precipitation and multi-effect evaporation is adopted, front-end pretreatment effectively reduces suspended matters, chromaticity and organic matters in the wastewater through neutralization and flocculation precipitation, and provides guarantee for long-term stable operation of subsequent evaporation equipment, pretreated feed liquid enters the multi-effect evaporation process for evaporation and crystallization to produce salt crystals, and at the moment, the amount of mother liquor with salt separated out is greatly reduced, so that further recovery treatment of the mother liquor is facilitated. On the whole, the process has the characteristics of high efficiency, energy conservation, environmental protection, small discharge amount, small post-treatment difficulty and small investment, and has excellent treatment effect.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a novel acidified oil wastewater treatment system, which solves the technical problem of poor treatment.
In order to achieve the purpose, the utility model provides the following technical scheme: a novel acidification oil wastewater treatment system comprises flocculation and precipitation integrated equipment, wherein the surface of the flocculation and precipitation integrated equipment is connected with a cache tank through a pipeline, the surface of the buffer tank is connected with a feed pump through a pipeline, the surface of the feed pump is connected with a plate-type preheater through a pipeline, the surface of the plate preheater is connected with a primary effect heater through a pipeline, the surface of the primary effect heater is connected with a primary effect separator through a pipeline, the surface of the first-effect separator is connected with a first-effect forced circulation pump through a pipeline, the surface of the first-effect forced circulation pump is connected with a second-effect heater through a pipeline, the surface of the double-effect heater is connected with a double-effect separator through a pipeline, the surface of the double-effect separator is connected with a double-effect forced circulation pump through a pipeline, the surface of the two-effect forced circulation pump is connected with a material transferring pump through a pipeline, and the surface of the material transferring pump is connected with a three-effect heater through a pipeline.
As a further scheme of the utility model: the surface of the triple-effect heater is connected with a triple-effect separator through a pipeline, the surface of the triple-effect separator is connected with a discharging pump through a pipeline, the surface of the discharging pump is connected with a thickener through a pipeline, the surface of the thickener is connected with a centrifugal machine through a pipeline, and the surface of the centrifugal machine is connected with a mother liquor tank through a pipeline.
As a further scheme of the utility model: the utility model discloses a forced circulation water heater, including a primary liquid tank, a primary liquid pump, a plate-type condenser, a gas-liquid separator, a fresh water tank, a plate-type preheater, a heater fixed surface, a fresh steam pipe, pipeline fixed connection, two effect separator fixed surface are connected with the primary liquid pump through the pipeline, the primary liquid pump surface has the mother liquor pump through the pipe connection, mother liquor pump fixed surface is connected with the mother liquor discharge pipe, three effect separator surface has plate-type condenser through the pipe connection, plate-type condenser surface has gas-liquid separator through the pipe connection, gas-liquid separator surface has the fresh water tank through the pipe connection, plate-type preheater passes through pipeline fixed connection and imitates forced circulation pump surface at one, one imitates heater fixed surface and lets in bright steam pipe, one imitates the separator surface and passes through pipeline fixed connection at two effect forced circulation pump surface, two imitates separator fixed surface and connect at three effect heater surface.
As a further scheme of the utility model: the surface of the material transferring pump is fixedly connected to the surface of a three-effect forced circulation pump through a pipeline, the surface of the centrifugal machine is fixedly connected with a salt outlet pipe, the surface of the one-effect forced circulation pump is fixedly connected to the surface of a one-effect heater through a pipeline, the surface of a two-effect heater is fixedly connected to the surface of a two-effect forced circulation pump through a pipeline, the surface of the three-effect forced circulation pump is fixedly connected to the surface of the three-effect heater through a pipeline, and the surface of the three-effect separator is fixedly connected to the surface of the three-effect forced circulation pump through a pipeline.
As a further scheme of the utility model: the buffer tank is made of glass fiber reinforced plastic, the feed pump is a chemical centrifugal pump, the plate preheater is a heat exchanger, the first-effect heater is a tubular heat exchanger, the first-effect separator is made of rolled steel plates, the first-effect forced circulation pump is an axial-flow pump, the second-effect heater is a tubular heat exchanger, the second-effect separator is made of rolled steel plates, and the second-effect forced circulation pump is an axial-flow pump.
As a further scheme of the utility model: the material transferring pump is a chemical centrifugal pump, the triple-effect heater is a tubular heat exchanger, the triple-effect separator is made of rolled steel plates, the triple-effect forced circulation pump is an axial-flow pump, the discharging pump is a chemical centrifugal pump, the thickener is made of rolled steel plates, the centrifuge is a flat hanging bag centrifuge, the mother liquid tank is made of rolled steel plates, the mother liquid pump is a chemical centrifugal pump, the plate condenser is a plate heat exchanger, the gas-liquid separator is made of rolled steel plates, and the fresh water tank is made of rolled steel plates.
Compared with the prior art, the utility model has the beneficial effects that:
1. this novel acidification oil effluent disposal system, through setting up the device, thereby feed liquid suspended solid through flocculation and precipitation preliminary treatment, the colourity is showing and is descending, the continuous operation duration of multiple-effect system has effectively been improved, high-efficient tubular heat exchanger, the coefficient of heat transfer is high, difficult scale deposit, difficult jam, waviness bearing range is big etc, especially adapted contains the evaporation crystallization of inorganic salt and a large amount of material of organic matter, the forced circulation technology, feed liquid in each effect carries out the forced flow, avoided the organic matter can cause the heat-transfer surface even jar body and pipeline scale deposit to block up, crystal deposit or scale deposit in the system, the jam risk of system has been reduced, especially adapted organic matter content, there is the operating mode that the crystal is appeared, the separator volume is big, the gas-liquid separation space is sufficient, the foam smugglies greatly reduced secretly, it is clean to go out water quality, alleviate follow-up processing apparatus's load.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a front view of the present invention;
in the figure: 1. flocculation and precipitation integrated equipment; 2. a buffer tank; 3. a feed pump; 4. a plate preheater; 5. a primary heater; 6. a first effect separator; 7. a one-effect forced circulation pump; 8. a dual-effect heater; 9. a two-effect separator; 10. a two-effect forced circulation pump; 11. a material transferring pump; 12. a triple effect heater; 13. a three-effect separator; 14. a triple-effect forced circulation pump; 15. a discharge pump; 16. a thickener; 17. a centrifuge; 18. a mother liquor tank; 19. a mother liquor pump; 20. a plate condenser; 21. a gas-liquid separator; 22. a fresh water tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1, the present invention provides the following technical solutions: a novel acidification oil wastewater treatment system comprises a flocculation and precipitation integrated device 1, wherein the surface of the flocculation and precipitation integrated device 1 is connected with a cache tank 2 through a pipeline, the surface of the cache tank 2 is connected with a feed pump 3 through a pipeline, the surface of the feed pump 3 is connected with a plate-type preheater 4 through a pipeline, the surface of the plate-type preheater 4 is connected with a first-effect heater 5 through a pipeline, the surface of the first-effect heater 5 is connected with a first-effect separator 6 through a pipeline, the surface of the first-effect separator 6 is connected with a first-effect forced circulation pump 7 through a pipeline, the surface of the first-effect forced circulation pump 7 is connected with a second-effect heater 8 through a pipeline, the surface of the second-effect heater 8 is connected with a second-effect separator 9 through a pipeline, the surface of the second-effect separator 9 is connected with a second-effect forced circulation pump 10 through a pipeline, the surface of the second-effect forced circulation pump 10 is connected with a material transfer pump 11 through a pipeline, the surface of the material transferring pump 11 is connected with a three-effect heater 12 through a pipeline.
Specifically, the surface of the triple-effect heater 12 is connected with a triple-effect separator 13 through a pipeline, the surface of the triple-effect separator 13 is connected with a discharge pump 15 through a pipeline, the surface of the discharge pump 15 is connected with a thickener 16 through a pipeline, the surface of the thickener 16 is connected with a centrifuge 17 through a pipeline, and the surface of the centrifuge 17 is connected with a mother liquor tank 18 through a pipeline.
Specifically, the surface of the mother liquor tank 18 is connected with a mother liquor pump 19 through a pipeline, the surface of the mother liquor pump 19 is fixedly connected with a mother liquor discharge pipe, the surface of the triple effect separator 13 is connected with a plate condenser 20 through a pipeline, the surface of the plate condenser 20 is connected with a gas-liquid separator 21 through a pipeline, the surface of the gas-liquid separator 21 is connected with a fresh water tank 22 through a pipeline, the plate preheater 4 is fixedly connected with the surface of the first effect forced circulation pump 7 through a pipeline, the surface of the first effect heater 5 is fixedly connected with a fresh steam pipe, the surface of the first effect separator 6 is fixedly connected with the surface of the second effect heater 8 through a pipeline, the surface of the first effect forced circulation pump 7 is fixedly connected with the surface of the second effect forced circulation pump 10 through a pipeline, and the surface of the second effect separator 9 is fixedly connected with the surface of the triple effect heater 12.
Specifically, the surface of the material transferring pump 11 is fixedly connected to the surface of a three-effect forced circulation pump 14 through a pipeline, the surface of the centrifuge 17 is fixedly connected with a salt outlet pipe, the surface of the one-effect forced circulation pump is fixedly connected to the surface of the one-effect heater 5 through a pipeline, the surface of the two-effect heater 8 is fixedly connected to the surface of the two-effect forced circulation pump 10 through a pipeline, the surface of the three-effect forced circulation pump 14 is fixedly connected to the surface of the three-effect heater 12 through a pipeline, and the surface of the three-effect separator 13 is fixedly connected to the surface of the three-effect forced circulation pump 14 through a pipeline.
Specifically, the material of the buffer tank 2 is glass fiber reinforced plastic, the material feeding pump 3 is a chemical centrifugal pump, the plate preheater 4 is a heat exchanger, the first-effect heater 5 is a tubular heat exchanger, the first-effect separator 6 is made of rolled steel plates, the first-effect forced circulation pump 7 is an axial flow pump, the second-effect heater 8 is a tubular heat exchanger, the second-effect separator 9 is made of rolled steel plates, and the second-effect forced circulation pump 10 is an axial flow pump.
Specifically, the material transferring pump 11 is a chemical centrifugal pump, the triple-effect heater 12 is a tubular heat exchanger, the triple-effect separator 13 is made of rolled steel plates, the triple-effect forced circulation pump 14 is an axial flow pump, the discharge pump 15 is a chemical centrifugal pump, the thickener 16 is made of rolled steel plates, the centrifuge 17 is a flat hanging bag centrifuge 17, the mother liquor tank 18 is made of rolled steel plates, the mother liquor pump 19 is a chemical centrifugal pump, the plate condenser 20 is a plate heat exchanger, the gas-liquid separator 21 is made of rolled steel plates, the fresh water tank 22 is made of rolled steel plates, and by the arrangement of the device, suspended matters and chromaticity of feed liquid pretreated by flocculation precipitation are obviously reduced, the continuous operation time of a multi-effect system is effectively improved, the efficient tubular heat exchanger is high in heat transfer coefficient, not easy to scale, not easy to block, large in wave bearing range and the like, the device is very suitable for evaporative crystallization of materials containing inorganic salt and a large amount of organic matters, a forced circulation process is adopted, feed liquid in each effect is forced to flow, scaling blockage of a heat exchange surface, even a tank body and a pipeline, caused by the organic matters is avoided, crystals are deposited or scaled in a system, the blocking risk of the system is reduced, the device is very suitable for working conditions with high organic matter content and crystal precipitation, the volume of a separator is large, a gas-liquid separation space is sufficient, entrainment is greatly reduced, the quality of effluent is clean, and the load of a subsequent treatment device is reduced.
The working principle of the utility model is as follows:
s1, when the device is used, the device is placed at a proper position, people firstly control the device to operate through a platform MDP2020, then people put the stock solution into the flocculation and precipitation integrated equipment 1 for flocculation pretreatment, flocculated clear solution enters the buffer tank 2, the clear solution in the buffer tank 2 is conveyed into the plate preheater 4 through the feed pump 3 for heat exchange, the heat source is the fresh steam condensate water of the one-effect heater 5 to raise the temperature of the feed solution, and the heat source is fully utilized while the temperature of the material is raised;
s2, feeding the material liquid with the temperature raised into a first effect of an evaporation system according to a downstream process, heating the material liquid by a first-effect forced circulation pump 7 through a first-effect heater 5, feeding the material liquid into a first-effect separator 6, and feeding secondary steam generated in the first-effect separator 6 to a next-effect second-effect heater 8 through steam to provide a heat source for the next effect;
s3, when the next effect needs to be fed, the automatic control system automatically feeds the concentrated solution into the effect, when the final effect reaches the discharge concentration, the concentrated solution is discharged out of the triple-effect crystallizer, the crystal slurry enters the thickener 16 to be thickened under the action of gravity settling, and then enters the centrifuge 17 to be subjected to solid-liquid separation, so that solid is obtained.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.
Claims (6)
1. The utility model provides a novel acidizing oil effluent disposal system, includes flocculation and precipitation integration equipment (1), its characterized in that: the surface of the flocculation and precipitation integrated equipment (1) is connected with a cache tank (2) through a pipeline, the surface of the cache tank (2) is connected with a feed pump (3) through a pipeline, the surface of the feed pump (3) is connected with a plate-type preheater (4) through a pipeline, the surface of the plate-type preheater (4) is connected with a primary-effect heater (5) through a pipeline, the surface of the primary-effect heater (5) is connected with a primary-effect separator (6) through a pipeline, the surface of the primary-effect separator (6) is connected with a primary-effect forced circulation pump (7) through a pipeline, the surface of the primary-effect forced circulation pump (7) is connected with a secondary-effect heater (8) through a pipeline, the surface of the secondary-effect heater (8) is connected with a secondary-effect separator (9) through a pipeline, the surface of the secondary-effect separator (9) is connected with a secondary-effect forced circulation pump (10) through a pipeline, the surface of the secondary-effect forced circulation pump (10) is connected with a material transferring pump (11) through a pipeline, the surface of the material transferring pump (11) is connected with a triple-effect heater (12) through a pipeline.
2. The novel acidified oil wastewater treatment system of claim 1, wherein: the surface of the triple-effect heater (12) is connected with a triple-effect separator (13) through a pipeline, the surface of the triple-effect separator (13) is connected with a discharge pump (15) through a pipeline, the surface of the discharge pump (15) is connected with a thickener (16) through a pipeline, the surface of the thickener (16) is connected with a centrifugal machine (17) through a pipeline, and the surface of the centrifugal machine (17) is connected with a mother liquor tank (18) through a pipeline.
3. The novel acidified oil wastewater treatment system of claim 2, wherein: the surface of the mother liquid tank (18) is connected with a mother liquid pump (19) through a pipeline, the surface of the mother liquid pump (19) is fixedly connected with a mother liquid discharge pipe, the surface of the three-effect separator (13) is connected with a plate condenser (20) through a pipeline, the surface of the plate condenser (20) is connected with a gas-liquid separator (21) through a pipeline, the surface of the gas-liquid separator (21) is connected with a fresh water tank (22) through a pipeline, the plate preheater (4) is fixedly connected with the surface of the one-effect forced circulation pump (7) through a pipeline, the surface of the first-effect heater (5) is fixedly connected with a fresh steam inlet pipe, the surface of the first-effect separator (6) is fixedly connected with the surface of the second-effect heater (8) through a pipeline, the surface of the first-effect forced circulation pump (7) is fixedly connected to the surface of the second-effect forced circulation pump (10) through a pipeline, the surface of the two-effect separator (9) is fixedly connected with the surface of the three-effect heater (12).
4. The novel acidified oil wastewater treatment system of claim 3, wherein: the surface of the material transferring pump (11) is fixedly connected to the surface of a triple-effect forced circulation pump (14) through a pipeline, the surface of the centrifugal machine (17) is fixedly connected with a salt outlet pipe, the surface of the single-effect forced circulation pump is fixedly connected to the surface of a single-effect heater (5) through a pipeline, the surface of a double-effect heater (8) is fixedly connected to the surface of a double-effect forced circulation pump (10) through a pipeline, the surface of the triple-effect forced circulation pump (14) is fixedly connected to the surface of a triple-effect heater (12) through a pipeline, and the surface of a triple-effect separator (13) is fixedly connected to the surface of the triple-effect forced circulation pump (14) through a pipeline.
5. The novel acidified oil wastewater treatment system of claim 4, wherein: the material of the buffer tank (2) is glass fiber reinforced plastic, the material feeding pump (3) is a chemical centrifugal pump, the plate type preheater (4) is a heat exchanger, the first effective heater (5) is a tubular heat exchanger, the first effective separator (6) is made of steel plate rolling material, the first effective forced circulation pump (7) is an axial flow pump, the second effective heater (8) is a tubular heat exchanger, the second effective separator (9) is made of steel plate rolling material, and the second effective forced circulation pump (10) is an axial flow pump.
6. The novel acidified oil wastewater treatment system of claim 5, wherein: the material transferring pump (11) is a chemical centrifugal pump, the triple-effect heater (12) is a tubular heat exchanger, the triple-effect separator (13) is made of a steel plate in a rolling mode, the triple-effect forced circulation pump (14) is an axial flow pump, the discharging pump (15) is a chemical centrifugal pump, the thickener (16) is made of a steel plate in a rolling mode, the centrifuge (17) is a flat hanging bag centrifuge (17), the mother liquid tank (18) is made of a steel plate in a rolling mode, the mother liquid pump (19) is a chemical centrifugal pump, the plate type condenser (20) is a plate type heat exchanger, the gas-liquid separator (21) is made of a steel plate in a rolling mode, and the fresh water tank (22) is made of a steel plate in a rolling mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123019638.4U CN216404108U (en) | 2021-12-03 | 2021-12-03 | Novel acidizing oil effluent disposal system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123019638.4U CN216404108U (en) | 2021-12-03 | 2021-12-03 | Novel acidizing oil effluent disposal system |
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| CN216404108U true CN216404108U (en) | 2022-04-29 |
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| CN202123019638.4U Active CN216404108U (en) | 2021-12-03 | 2021-12-03 | Novel acidizing oil effluent disposal system |
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