CN117865281A - Wastewater treatment system - Google Patents
Wastewater treatment system Download PDFInfo
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- CN117865281A CN117865281A CN202410277344.0A CN202410277344A CN117865281A CN 117865281 A CN117865281 A CN 117865281A CN 202410277344 A CN202410277344 A CN 202410277344A CN 117865281 A CN117865281 A CN 117865281A
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 24
- 239000000295 fuel oil Substances 0.000 claims abstract description 177
- 239000010865 sewage Substances 0.000 claims abstract description 47
- 239000003208 petroleum Substances 0.000 claims abstract description 22
- 238000007790 scraping Methods 0.000 claims abstract description 22
- 239000002351 wastewater Substances 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000009833 condensation Methods 0.000 claims abstract description 13
- 230000005494 condensation Effects 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000002699 waste material Substances 0.000 claims abstract description 13
- 238000009991 scouring Methods 0.000 claims abstract description 9
- 238000000605 extraction Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 3
- 239000003921 oil Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000007711 solidification Methods 0.000 description 8
- 230000008023 solidification Effects 0.000 description 8
- 230000005484 gravity Effects 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 5
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Removal Of Floating Material (AREA)
Abstract
The invention relates to the technical field of wastewater treatment, and discloses a wastewater treatment system which comprises a wastewater conveying module, a buffer tank, a heating module, a flow rate adjusting module and a waste liquid treatment module, wherein petroleum wastewater is conveyed into a condensation point difference type heavy oil continuous collecting module for heavy oil extraction, a heavy oil attached multi-disc coaxial body consists of a central shaft and a plurality of disc bodies which are equidistantly distributed on the central shaft, a scraping type solidifying heavy oil collecting channel is arranged behind the heavy oil attached multi-disc coaxial body, and an air flow scouring residue collecting channel is arranged right below the scraping type solidifying heavy oil collecting channel; by utilizing the characteristic that the solidifying points of the heavy oil and the light oil are greatly different, a special disc type rotating structure is adopted, and the heavy oil in the sewage is efficiently solidified on the disc surface of the multi-disc coaxial body attached to the heavy oil by utilizing the temperature difference effect, so that the heavy oil directional separation can be completed in the initial stage of the sewage. When the system carries out purification treatment on wastewater, certain economic benefit is generated, and the system has a simple structure and is convenient to maintain and install.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a wastewater treatment system.
Background
The components of the petroleum sewage are very complex, and the petroleum sewage mainly comprises heavy oil, light oil, sulfur and the like. The heating value of the heavy oil is very high, so that the heavy oil has certain recycling value. The above description has shown that the components in petroleum wastewater are complex, and if the simplest gravity sedimentation method is adopted, an oil film is formed after the wastewater is stood above the water surface. The specific gravity of heavy oil is generally between 0.82 and 0.95, and the specific gravity of light oil is between 0.7 and 0.9, so that the specific gravity is smaller than that of water, and therefore, the main substance of the upper oil film is the mixture of heavy oil and light oil, and if the upper oil film is obtained by adopting a gravity sedimentation method, only the mixture of heavy oil, light oil and a small amount of other substances can be obtained. There are also cases where a small amount of heavy oil is located below. Thus, the heavy oil obtained by oil layer separation cannot be extracted rapidly and accurately.
In view of the above, the problem faced by the recovery of sewage heavy oil is how to simply and effectively extract the desired heavy oil and extract it without affecting the efficiency of wastewater treatment.
Disclosure of Invention
The present invention is directed to a wastewater treatment system, which solves the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a wastewater treatment system, includes waste water transport module, buffer tank, heating module, velocity of flow adjustment module, waste liquid treatment module, waste water transport module carries petroleum sewage to inside the buffer tank, heating module is right petroleum sewage in the buffer tank heats to more than 36 ℃, by behind the velocity of flow adjustment module adjustment velocity of flow, carry petroleum sewage to condensation point poor formula heavy oil serialization collection module in carry out heavy oil extraction, the waste liquid after the heavy oil extraction passes through waste liquid treatment module carries out the aftertreatment.
The condensation point difference type heavy oil continuous collection module consists of the following components: the sewage channel is used as a connecting channel of the flow rate adjusting module and the waste liquid treatment module and is used for conveying petroleum sewage; the heavy oil attached multi-disc coaxial body consists of a central shaft and a plurality of disc bodies which are equidistantly distributed on the central shaft, a communicated hollow cavity is arranged between the central shaft and the disc bodies, and the heavy oil attached multi-disc coaxial body is driven by a driving module to rotate clockwise; the scraping type solidifying heavy oil collecting channel is arranged at the rear of the heavy oil attaching multi-disc coaxial body, the front end of the scraping type solidifying heavy oil collecting channel comprises an avoiding through groove corresponding to the disc body of the heavy oil attaching multi-disc coaxial body, and the bottom of the avoiding through groove is fixedly connected with a disc scraper contacted with the disc body of the heavy oil attaching multi-disc coaxial body.
The gas flow flushing residue collecting channel is arranged under the scraping type solidifying heavy oil collecting channel, the front end of the gas flow flushing residue collecting channel comprises a sealing strip through groove and a surrounding gas pipe, the heavy oil attached multi-disc coaxial body disc body is in sliding connection with the sealing strip through groove, the surrounding gas pipe surrounds the heavy oil attached multi-disc coaxial body disc body, a plurality of spray heads are uniformly distributed on one side of the surrounding gas pipe, which is close to the heavy oil attached multi-disc coaxial body disc body, and the surrounding gas pipe extends to the outside to be communicated with a gas source through a gas source connecting pipe.
The cooling module is arranged in the heavy oil attached multi-disc coaxial body and is used for cooling the heavy oil attached multi-disc coaxial body to enable the temperature of the heavy oil attached multi-disc coaxial body to be always lower than 36 ℃, and the actual cooling temperature of the cooling module is lower, so that the influence of water temperature on the temperature rise of the heavy oil attached multi-disc coaxial body is overcome. And the greater the temperature difference between the heavy oil attaching multi-disc coaxial body and the heavy oil solidifying temperature is, the higher the adsorption efficiency is. And the temperature is related to the flow rate of water and the heavy oil content, and the cooling temperature of the cooling module can be adjusted according to the specific conditions.
As still further aspects of the invention: the bottom of the sewage channel is provided with a concave circular groove, the circle center of the heavy oil attached multi-disc coaxial body is concentric with the concave circular groove, and the bottom end of the heavy oil attached multi-disc coaxial body is positioned in the concave circular groove.
As still further aspects of the invention: the number of the cooling modules is two, and the cooling modules are symmetrically arranged at the sewage inlet end and the sewage outlet end of the heavy oil attached multi-disc coaxial body.
As still further aspects of the invention: the cooling module is including enclosing attached pipeline and two external connection rectangle pipelines, enclose attached pipeline with the laminating of the cavity of heavy oil attached multi-disc coaxial body, just heavy oil attached multi-disc coaxial body with enclose attached pipeline contact sliding connection, external connection rectangle pipeline sets up the tip of enclosing attached pipeline, external connection rectangle pipeline and external circulation heat transfer device intercommunication can set up lubricated heat conduction medium between heavy oil attached multi-disc coaxial body and the attached pipeline of enclosing, reduce the influence of friction heat generation to improve temperature transfer efficiency.
As still further aspects of the invention: the tray bodies positioned at the two ends of the heavy oil attached multi-tray coaxial body are not contacted with the side wall of the sewage channel.
As still further aspects of the invention: the number of the condensation point difference type heavy oil continuous collection modules is 1 or 2.
As still further aspects of the invention: the scraping type solidified heavy oil collecting channel and one end of the airflow scouring residue collecting channel, which is close to the heavy oil attached multi-disc coaxial body, are all obliquely arranged.
As still further scheme of the invention, the output end of the driving module is fixedly connected with a driving gear, and the side surface of the heavy oil attached multi-disc coaxial body is provided with a transmission toothed ring meshed with the driving gear.
Compared with the prior art, the invention has the beneficial effects that: the invention utilizes the characteristic of great difference between the solidifying points of the heavy oil and the light oil, adopts a special disc type rotating structure, utilizes the temperature difference effect to enable the heavy oil in the sewage to be efficiently solidified on the disc surface of the multi-disc coaxial body, and can finish the separation and collection of the heavy oil by utilizing the rotating power and the reaction force only through adopting a simple rotating driving structure. The system generates certain economic benefit when purifying the wastewater, and has simple structure and convenient maintenance and installation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of a wastewater treatment system.
Fig. 2 is a schematic perspective view of a condensation point difference type heavy oil continuous collection module in a wastewater treatment system.
Fig. 3 is a schematic front view of a condensation point difference type heavy oil continuous collection module in a wastewater treatment system.
Fig. 4 is an end perspective view of a scratch-type solidified heavy oil collection channel in a wastewater treatment system.
FIG. 5 is an end perspective view of a flow flush residue collection channel in a wastewater treatment system.
FIG. 6 is a schematic cross-sectional view of a heavy oil-attached multi-disk coaxial body in a wastewater treatment system.
In the figure: 100. a wastewater delivery module; 200. a buffer tank; 300. a heating module; 400. a flow rate adjustment module; 500. the condensation point difference type heavy oil continuous collection module; 600. a waste liquid treatment module; 1. a sewage channel; 11. a concave circular groove; 2. heavy oil is attached to the multi-disc coaxial body; 21. a drive ring gear; 3. scraping type solidified heavy oil collecting channel; 31. avoiding the through groove; 32. a disc scraper; 4. the air flow flushes the residue collection channel; 41. sealing strip through grooves; 42. surrounding the trachea; 43. a spray head; 44. an air source connecting pipe; 5. a driving module; 51. a drive gear; 6. a cooling module; 61. the outer part is connected with a rectangular pipeline; 62. surrounding the attached pipe.
Detailed Description
Please refer to fig. 1-6: in this embodiment, the device comprises a wastewater conveying module 100, a buffer tank 200, a heating module 300, a flow rate adjusting module 400 and a waste liquid treatment module 600, wherein the wastewater conveying module 100 conveys petroleum wastewater into the buffer tank 200, the heating module 300 heats the petroleum wastewater in the buffer tank 200 to above 36 ℃, the flow rate adjusting module 400 adjusts the flow rate, the petroleum wastewater is conveyed into a condensation point difference type heavy oil continuous collection module 500 for heavy oil extraction, and waste liquid after heavy oil extraction is subjected to post-treatment through the waste liquid treatment module 600.
In this embodiment, the sewage does not need to be subjected to static gravity oil separation, the sewage is conveyed to the buffer tank 200 by the sewage conveying module 100, and is mainly heated by the heating module 300, so that the purpose of heating is to ensure that heavy oil in petroleum sewage is not in a solidified state. When the temperature of the petroleum wastewater itself is greater than 36 c or the temperature of the petroleum wastewater itself is greater than the freezing point temperature of heavy oil in the type of petroleum wastewater, the heating module 300 may be removed and the flow rate may be directly adjusted by the flow rate adjusting module 400.
In this embodiment, the freezing point of the heavy oil is between 20 ℃ and 36 ℃, and the freezing point of the heavy oil type contained in the petroleum sewage is used as the temperature adjusting point of the heating module 300.
In this embodiment, the solidification point of the heavy oil is greater than that of the light oil, and the heavy oil can be solidified on the surface of the low-temperature solid by utilizing the temperature difference effect, so that the heavy oil is separated from the water along with the fixation at low temperature, thereby separating the heavy oil from the light oil and other substances, completing the separation and extraction of the target object, and purifying the sewage. In order to avoid that the flow rate is too fast to wash away the heavy oil condensate, the flow rate adjusting module 400 is provided to adjust the flow rate so that the sewage continuously flows in a low-speed state.
In this embodiment, the sewage channel 1 is used as a connection channel of the flow rate adjusting module 400 and the waste liquid treating module 600 for transporting petroleum sewage.
In this embodiment, the top of the sewage channel 1 is an open structure, the width of the sewage channel 1 can be increased, and the tray draft of the heavy oil attached multi-tray coaxial body 2 can be reduced, so that the influence of water flow on heavy oil solidification can be further reduced.
In this embodiment, a concave circular groove 11 is formed in the bottom of the sewage channel 1, the center of the heavy oil attached multi-disc coaxial body 2 is concentric with the concave circular groove 11, and the bottom end of the heavy oil attached multi-disc coaxial body 2 is located inside the concave circular groove 11.
In this embodiment, the bottom end of the heavy oil attached multi-disc coaxial body 2 is located in the concave circular groove 11, so that the petroleum sewage can better contact with the heavy oil attached multi-disc coaxial body 2, and the trapping efficiency is improved.
In this embodiment, the number of condensation point difference type heavy oil continuous collection modules 500 is 1 or 2. When the number of the condensation point difference type heavy oil continuous collection modules 500 is two, the trays of the heavy oil attached multi-tray coaxial bodies 2 distributed front and back are distributed in a staggered manner, so that sewage passing through the gaps of the front heavy oil attached multi-tray coaxial bodies 2 can be split through the trays of the rear heavy oil attached multi-tray coaxial bodies 2, and the trapping efficiency is improved.
In this embodiment, the heavy oil attached multi-disc coaxial body 2 is composed of a central shaft and a plurality of disc bodies equidistantly distributed on the central shaft, a communication hollow cavity is arranged between the central shaft and the disc bodies, and the heavy oil attached multi-disc coaxial body 2 is driven by the driving module 5 to rotate clockwise.
In this embodiment, referring to fig. 3, when the heavy oil attaching multi-disc coaxial body 2 is set as a disc body, the end face and two circular side faces of the heavy oil attaching multi-disc coaxial body 2 are both located below the water surface. A channel is formed between two adjacent circular disc bodies, and under the action of low temperature, heavy oil in sewage passing through the channel is easily collected by the side face of the heavy oil attached multi-disc coaxial body 2 when being above the water surface, so that the heavy oil is solidified on the side face of the heavy oil attached multi-disc coaxial body 2. The side surface area of the heavy oil attached multi-disc coaxial body 2 is large, a large amount of heavy oil adsorption area is provided, the collection efficiency and continuity are ensured in the continuous collection treatment, the petroleum production sewage treatment environment is met, and the water purification effect is ensured.
In this embodiment, the clockwise rotation of the heavy oil attaching multi-disc coaxial body 2 by the driving module 5 has the advantage that the rotation water outlet direction of the heavy oil attaching multi-disc coaxial body 2 is close to the water flow and is preferentially collected, and the amount of the heavy oil solidified matter preferentially collected is large and water is rapidly discharged.
In this embodiment, the scraping type solidifying heavy oil collecting channel 3 is disposed at the rear of the heavy oil attached multi-disc coaxial body 2, and the front end of the scraping type solidifying heavy oil collecting channel 3 includes a avoiding through groove 31 corresponding to the disc body of the heavy oil attached multi-disc coaxial body 2, and a disc scraper 32 contacting with the disc body of the heavy oil attached multi-disc coaxial body 2 is fixedly connected to the bottom of the avoiding through groove 31.
In this embodiment, in order to realize continuous circulation, the scraping type solidification heavy oil collecting channel 3 is provided, and the width of the channel body of the avoiding through channel 31 is larger than the width of the disc body of the heavy oil attaching multi-disc coaxial body 2, so that the heavy oil attaching multi-disc coaxial body 2 carries solidification matters into the scraping type solidification heavy oil collecting channel 3. Because the bottom of the avoidance through groove 31 is provided with the disc scraping plate 32, the disc scraping plate 32 is contacted with the heavy oil attached multi-disc coaxial body 2, and the condensate on the surface of the heavy oil attached multi-disc coaxial body 2 can be separated, so that collection is completed, and the surface of the disc of the heavy oil attached multi-disc coaxial body 2 in the sewage is free from the condensate.
In this embodiment, the airflow scouring residue collecting channel 4 is disposed directly below the scraping type solidifying heavy oil collecting channel 3, the front end of the airflow scouring residue collecting channel 4 includes a sealing strip through groove 41 and an enclosing air pipe 42, the heavy oil attaching multi-disc coaxial body 2 disc body is slidably connected with the sealing strip through groove 41, the enclosing air pipe 42 encloses the heavy oil attaching multi-disc coaxial body 2 disc body, a plurality of spray heads 43 are uniformly distributed on one side of the enclosing air pipe 42, close to the heavy oil attaching multi-disc coaxial body 2 disc body, and the enclosing air pipe 42 extends to the outside through an air source connecting pipe 44 to be communicated with an air source.
In this embodiment, the gas flow flushes the residue collection channel 4 to perform further processing, and the scraping type solidified heavy oil collection channel 3 is subjected to post-processing. When the efficiency is low due to the increase of the abrasion of the disc scraper 32, the residual heavy oil can be treated by the air flow scouring residual collecting channel 4, the sealing strip through groove 41 is a soft rubber layer, and the rubber layer can wipe the disc body of the heavy oil attached multi-disc coaxial body 2. The surrounding situation of surrounding the air pipe 42 is matched with the spray nozzle 43 to deeply clean the surface of the tray body, so that impurities are avoided, and the adsorption efficiency of the heavy oil attached multi-tray coaxial body 2 is ensured.
In this embodiment, the cooling module 6 is disposed inside the heavy oil attached multi-disc coaxial body 2, and is configured to cool the heavy oil attached multi-disc coaxial body 2 to make the temperature of the heavy oil attached multi-disc coaxial body 2 always lower than 36 ℃.
In this embodiment, the cooling module 6 cools the heavy oil attached multi-disc coaxial body 2, so that a temperature difference exists between the heavy oil attached multi-disc coaxial body 2 and the sewage. The temperature of the heavy oil-attached multi-disc coaxial body 2 is always required to be less than 36 ℃ in order to avoid melting of the heavy oil attached to the surface of the heavy oil-attached multi-disc coaxial body 2. For heavy oil with lower solidifying point temperature, for example, heavy oil with temperature lower than 20 ℃ can be further adjusted, the actual cooling temperature of the cooling module 6 is lower, and therefore the influence of water temperature on the temperature rise of the heavy oil attached multi-disc coaxial body 2 is overcome. And the greater the temperature difference between the heavy oil attaching multi-disc coaxial body 2 and the heavy oil solidifying temperature is, the higher the adsorption efficiency is. And the temperature is related to the flow rate of water and the heavy oil content, and the cooling temperature of the cooling module 6 can be adjusted according to the specific situation.
In this embodiment, the number of cooling modules 6 is two, and the cooling modules 6 are symmetrically arranged at the sewage inlet end and the sewage outlet end of the heavy oil attached multi-disc coaxial body 2.
In this embodiment, the cooling module 6 cools the water inlet end, can guarantee that the temperature near the water inlet area of heavy oil attached multi-disc coaxial body 2 is lower, and the cooling module 6 cools the water outlet end and can avoid the heating to lead to heavy oil solidification to melt, also can play the effect of supplementary cooling to the water inlet end simultaneously.
In this embodiment, the cooling module 6 includes an enclosed attaching pipe 62 and two external connection rectangular pipes 61, the enclosed attaching pipe 62 is attached to the cavity of the heavy oil attached multi-disc coaxial body 2, and the heavy oil attached multi-disc coaxial body 2 is in contact sliding connection with the enclosed attaching pipe 62, the external connection rectangular pipe 61 is disposed at an end portion of the enclosed attaching pipe 62, and the external connection rectangular pipe 61 is communicated with the external circulation heat exchange device.
In this embodiment, the surrounding attaching pipe 62 is rectangular, so as to increase the area of the disc body attaching to the heavy oil attaching multi-disc coaxial body 2, and to improve the heat transfer efficiency, the heavy oil attaching multi-disc coaxial body 2 is cooled while sliding with the surrounding attaching pipe 62. In order to reduce the effect of temperature rise due to sliding. Since the flow rate of the sewage is reduced, the rotational speed of the heavy oil-attached multi-disc coaxial body 2 is reduced, and a lubricating heat-conducting medium can be provided between the heavy oil-attached multi-disc coaxial body 2 and the surrounding attached pipe 62, the influence of frictional heat generation is reduced, and the temperature transfer efficiency is improved.
In this embodiment, the tray bodies of the heavy oil attached multi-tray coaxial body 2 at two ends are not contacted with the side wall of the sewage channel 1. The purpose of this arrangement is to make the heavy oil at the edge adhere to the disc surface of the multi-disc coaxial body 2 and still play a role in adsorption.
In this embodiment, the ends of the scraping type solidified heavy oil collecting channel 3 and the airflow scouring residue collecting channel 4, which are close to the heavy oil attaching multi-disc coaxial body 2, are all inclined. The inclined scraping type solidification heavy oil collecting channel 3 and the air flow flushing residue collecting channel 4 can prevent heavy oil solidification bodies from accumulating at the front part.
In this embodiment, the output end of the driving module 5 is fixedly connected with a driving gear 51, and the side surface of the heavy oil attached multi-disc coaxial body 2 is provided with a transmission gear ring 21 meshed with the driving gear 51. The end of the heavy oil attached multi-disc coaxial body 2 is of a through structure, so that the matching of the transmission toothed ring 21 and the driving gear 51 does not influence the setting of the cooling module 6.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a wastewater treatment system, includes waste water transport module (100), buffer tank (200), heating module (300), velocity of flow regulating module (400), waste liquid treatment module (600), waste water transport module (100) is with petroleum sewage is carried to inside buffer tank (200), its characterized in that: the heating module (300) heats the petroleum sewage in the buffer tank (200) to more than 36 ℃, the flow rate is regulated by the flow rate regulating module (400), the petroleum sewage is conveyed into the condensation point difference type heavy oil continuous collecting module (500) for heavy oil extraction, and waste liquid after heavy oil extraction is subjected to aftertreatment through the waste liquid treatment module (600);
the condensation point difference type heavy oil continuous collection module (500) is composed of the following components: the device comprises a sewage channel (1), a heavy oil attached multi-disc coaxial body (2) arranged above the sewage channel (1), a scraping type solidified heavy oil collecting channel (3), an airflow scouring residue collecting channel (4), a driving module (5) for driving the heavy oil attached multi-disc coaxial body (2) to rotate, and a cooling module (6);
the scraping type solidifying heavy oil collecting channel (3) is arranged behind the heavy oil attaching multi-disc coaxial body (2), and the airflow scouring residue collecting channel (4) is arranged right below the scraping type solidifying heavy oil collecting channel (3);
the cooling module (6) is arranged in the heavy oil attached multi-disc coaxial body (2) and is used for cooling the heavy oil attached multi-disc coaxial body (2) so that the temperature of the heavy oil attached multi-disc coaxial body (2) is always lower than 36 ℃.
2. A wastewater treatment system according to claim 1, wherein: the heavy oil attached multi-disc coaxial body (2) consists of a central shaft and a plurality of disc bodies which are equidistantly distributed on the central shaft, a communicated hollow cavity is arranged between the central shaft and the disc bodies, and the heavy oil attached multi-disc coaxial body (2) is driven by the driving module (5) to rotate clockwise.
3. A wastewater treatment system according to claim 1, wherein: the bottom of sewage passageway (1) has seted up sunken circular slot (11), the centre of a circle of heavy oil attached multi-disc coaxial body (2) with sunken circular slot (11) are concentric, the bottom of heavy oil attached multi-disc coaxial body (2) is located the inside of sunken circular slot (11), the disk body that heavy oil attached multi-disc coaxial body (2) is located both ends with the lateral wall of sewage passageway (1) is contactless each other.
4. A wastewater treatment system according to claim 1, wherein: the front end of the scraping type solidifying heavy oil collecting channel (3) comprises an avoiding through groove (31) corresponding to the disc body of the heavy oil attaching multi-disc coaxial body (2), and the bottom of the avoiding through groove (31) is fixedly connected with a disc scraper (32) contacted with the disc body of the heavy oil attaching multi-disc coaxial body (2).
5. A wastewater treatment system according to claim 1, wherein: the quantity of cooling module (6) is two, cooling module (6) symmetry sets up advance sewage end and play sewage end of attached multi-disc coaxial body (2) of heavy oil, cooling module (6) are including enclosing attached pipeline (62) and two external connection rectangle pipelines (61), enclose attached pipeline (62) with the laminating of the cavity of attached multi-disc coaxial body (2) of heavy oil, just attached multi-disc coaxial body (2) of heavy oil with enclose attached pipeline (62) contact sliding connection, external connection rectangle pipeline (61) set up enclose the tip of attached pipeline (62), external connection rectangle pipeline (61) and external circulation heat transfer device intercommunication.
6. A wastewater treatment system according to claim 1, wherein: the front end of the airflow flushing residue collecting channel (4) comprises a sealing strip through groove (41) and a surrounding air pipe (42), the disc body of the heavy oil attached multi-disc coaxial body (2) is in sliding connection with the sealing strip through groove (41), the surrounding air pipe (42) surrounds the disc body of the heavy oil attached multi-disc coaxial body (2), the surrounding air pipe (42) is close to one side of the disc body of the heavy oil attached multi-disc coaxial body (2) and is uniformly provided with a plurality of spray heads (43), and the surrounding air pipe (42) extends to the outside through an air source connecting pipe (44) to be communicated with an air source.
7. A wastewater treatment system according to claim 1, wherein: the number of the condensation point difference type heavy oil continuous collection modules (500) is 1 or 2.
8. A wastewater treatment system according to claim 1, wherein: the scraping type solidifying heavy oil collecting channel (3) and the air flow scouring residue collecting channel (4) are obliquely arranged at one end, close to the heavy oil attaching multi-disc coaxial body (2).
9. A wastewater treatment system according to claim 1, wherein: the heavy oil pasting multi-disc coaxial device is characterized in that the output end of the driving module (5) is fixedly connected with a driving gear (51), and a transmission toothed ring (21) meshed with the driving gear (51) is arranged on the side face of the heavy oil pasting multi-disc coaxial body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001314899A (en) * | 2000-05-12 | 2001-11-13 | Kurita Water Ind Ltd | Multiple disk type sludge dehydration apparatus |
| CN103289732A (en) * | 2013-07-01 | 2013-09-11 | 国家电网公司 | Centrifugally-separated heavy oil treating system |
| CN116116780A (en) * | 2023-02-13 | 2023-05-16 | 汶瑞机械(山东)有限公司 | High-efficiency white mud pre-hanging layer replacement device and replacement method |
| CN219391930U (en) * | 2023-03-31 | 2023-07-21 | 威海海洋职业学院 | Oil-soluble organic matter check out test set |
| CN220098653U (en) * | 2023-06-27 | 2023-11-28 | 宜昌枫叶店子坪磷矿有限公司 | Wastewater treatment device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001314899A (en) * | 2000-05-12 | 2001-11-13 | Kurita Water Ind Ltd | Multiple disk type sludge dehydration apparatus |
| CN103289732A (en) * | 2013-07-01 | 2013-09-11 | 国家电网公司 | Centrifugally-separated heavy oil treating system |
| CN116116780A (en) * | 2023-02-13 | 2023-05-16 | 汶瑞机械(山东)有限公司 | High-efficiency white mud pre-hanging layer replacement device and replacement method |
| CN219391930U (en) * | 2023-03-31 | 2023-07-21 | 威海海洋职业学院 | Oil-soluble organic matter check out test set |
| CN220098653U (en) * | 2023-06-27 | 2023-11-28 | 宜昌枫叶店子坪磷矿有限公司 | Wastewater treatment device |
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