CN115557565B - Coking wastewater treatment recycling device - Google Patents
Coking wastewater treatment recycling device Download PDFInfo
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- CN115557565B CN115557565B CN202211420212.6A CN202211420212A CN115557565B CN 115557565 B CN115557565 B CN 115557565B CN 202211420212 A CN202211420212 A CN 202211420212A CN 115557565 B CN115557565 B CN 115557565B
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- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
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- 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
- C02F2303/26—Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of coking wastewater treatment devices, and provides a coking wastewater treatment and recycling device, which comprises a tank body; the mounting plate is arranged on the tank body; the main shaft is rotatably arranged on the mounting plate; the separating barrel is arranged on the main shaft, a plurality of through holes are formed in the wall surface of the separating barrel, an annular separating piece is arranged on the outer wall of the separating barrel, and the annular separating piece is provided with a first annular groove and an annular inclined plane; the grinding barrel is arranged on the main shaft through a bearing and connected to the mounting plate, the main shaft rotates relative to the grinding barrel, the grinding barrel is located inside the separation barrel, an annular flow guide piece is arranged at the opening end of the grinding barrel, a second annular groove is formed in the inner side wall of the separation barrel, and the end part of the annular flow guide piece extends into the second annular groove; the grinding wings are arranged on the main shaft and are positioned inside the grinding barrel. Through above-mentioned technical scheme, the problem of the long and complicated processing procedure of coking wastewater treatment device among the prior art has been solved.
Description
Technical Field
The invention relates to the technical field of coking wastewater treatment devices, in particular to a coking wastewater treatment and recycling device.
Background
Coking wastewater is typical toxic and non-degradable organic wastewater and mainly comes from the process water and steam condensation wastewater in the process of coke oven gas primary cooling and coking production.
At present, 80 percent of domestic coking plants generally adopt a coking wastewater process flow taking traditional biological denitrification treatment as a core, and the process flow is divided into pretreatment, biochemical treatment and advanced treatment, wherein the pretreatment mainly adopts a physical and chemical method, such as oil removal, ammonia distillation, extraction dephenolization and the like; the biochemical treatment process mainly comprises A/O, A2/O and the like; the main processes of the advanced treatment include an activated carbon adsorption method, an activated carbon-biofilm method and an oxidation pond method. The specific flow is to remove oil firstly, then carry out multistage biochemical treatment, obtain the product water through membrane filtration again, and this process is lengthy complicated, and the equipment that relates to is more, and the investment is big, and area occupied is big, and the running cost is high, consequently needs improve current equipment to solve above-mentioned problem.
Disclosure of Invention
The invention provides a coking wastewater treatment and recycling device, which solves the problem that the coking wastewater treatment device in the prior art has a long and complex treatment process.
The technical scheme of the invention is as follows:
a coking wastewater treatment and recycling device, which comprises,
a tank body;
the mounting plate is arranged on the tank body;
the main shaft is rotatably arranged on the mounting plate;
the separating barrel is arranged on the main shaft, a plurality of through holes are formed in the wall surface of the separating barrel, an annular separating piece is arranged on the outer wall of the separating barrel, and the annular separating piece is provided with a first annular groove and an annular inclined plane;
the grinding barrel is arranged on the main shaft through a bearing and connected to the mounting plate, the main shaft rotates relative to the grinding barrel, the grinding barrel is located inside the separation barrel, an annular flow guide part is arranged at the opening end of the grinding barrel, an annular groove II is formed in the inner side wall of the separation barrel, the end part of the annular flow guide part extends into the annular groove II, a space I is formed between the bottom of the grinding barrel and the inner bottom wall of the separation barrel, a space II is formed between the bottom of the separation barrel and the inner bottom wall of the tank body I, the grinding barrel is provided with a liquid discharge port, the separation barrel is provided with a filtering port, the tank body is provided with a discharge port, and the liquid discharge port, the space I, the filtering port, the space II and the discharge port are sequentially communicated;
and a plurality of grinding fins are arranged on the main shaft and are positioned inside the grinding barrel.
As a further technical solution, it also includes,
the support piece is arranged on the outer side wall of the separation barrel and is positioned below the annular separation piece;
the sliding plates are arranged on the supporting piece in a sliding mode along the radial direction of the separation barrel, and the two sliding plates are symmetrically arranged on the supporting piece;
and two ends of the first elastic piece act on the two sliding plates respectively and are used for providing a force for enabling the two sliding plates to approach each other.
As a further technical scheme, the supporting member is hollow, two strip-shaped holes are respectively formed in the front end face and the rear end face of the supporting member, the sliding plate is provided with a sliding portion, two outer convex portions are respectively formed in the front end face and the rear end face of the sliding portion, the sliding portion slides in the supporting member, the two outer convex portions respectively extend out of the two strip-shaped holes, and one elastic member is arranged between the two outer convex portions opposite to the two sliding plates.
As a further technical solution, it also includes,
and the two scraping plates are respectively arranged on the two sliding plates in a sliding manner, and both the two scraping plates slide along the radial direction of the separation barrel in opposite sliding directions.
As a further technical solution, it also includes,
a guide post disposed on the sliding plate;
and the second elastic part is sleeved on the guide pillar, the scraper is provided with a convex part, the convex part is sleeved on the guide pillar, one end of the second elastic part acts on the sliding plate, and the other end of the second elastic part acts on the convex part and is used for providing a force for the convex part to approach the sliding plate.
As a further technical scheme, a plurality of guide columns, the second elastic pieces and the protruding parts are arranged.
As a further technical proposal, the method also comprises the following steps,
the mounting plate is arranged on the tank body through the first connecting piece;
and the grinding barrel is arranged on the mounting plate through the second connecting piece.
The working principle and the beneficial effects of the invention are as follows:
in the invention, coking wastewater is treated by using raw material coal of a coking plant, the coal is a material mainly containing organic carbon, is equivalent to low-end activated carbon and is easy to adsorb organic matters, particularly aromatic hydrocarbons, mercaptan, thioether and the like, the raw material coal is ground and crushed to improve the adsorption surface area and increase the adsorption force, and can effectively adsorb benzene, benzene homologues, phenol and the like in the coking wastewater.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is an enlarged structural view of a part A in FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
FIG. 4 is a schematic view of the structure of the supporting member of the present invention;
FIG. 5 is a schematic view of the structure of the supporter and the separation tub in the present invention;
FIG. 6 is a schematic view of the structure of FIG. 5 with the support members removed;
in the figure: 1. the device comprises a tank body, 101, a discharge port, 2, a mounting plate, 3, a main shaft, 4, a separation barrel, 401, a through hole, 402, an annular separation piece, 403, a first annular groove, 404, an annular inclined surface, 405, a filtering port, 5, a grinding barrel, 501, an annular flow guide piece, 502, a second annular groove, 503, a liquid discharge port, 6, a first space, 7, a second space, 8, a grinding fin, 9, a support piece, 901, a strip-shaped hole, 10, a sliding plate, 1001, a sliding part, 1002, an outer convex part, 11, a first elastic piece, 12, a scraper, 1201, a convex part, 13, a guide pillar, 14, a second elastic piece, 15, a first connecting piece, 16 and a second connecting piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 inventive step, are intended to be within the scope of the present invention.
As shown in fig. 1 to 6, the present embodiment provides a coking wastewater treatment and recycling device, which comprises,
a tank body 1;
the mounting plate 2 is arranged on the tank body 1;
the main shaft 3 is rotatably arranged on the mounting plate 2;
the separating barrel 4 is arranged on the main shaft 3, the wall surface of the separating barrel 4 is provided with a plurality of through holes 401, the outer wall of the separating barrel 4 is provided with an annular separating piece 402, and the annular separating piece 402 is provided with an annular groove I403 and an annular inclined surface 404;
the grinding barrel 5 is arranged on the main shaft 3 through a bearing and connected to the mounting plate 2, the main shaft 3 rotates relative to the grinding barrel 5, the grinding barrel 5 is positioned inside the separation barrel 4, the opening end of the grinding barrel 5 is provided with an annular flow guide piece 501, the inner side wall of the separation barrel 4 is provided with an annular groove II 502, the end part of the annular flow guide piece 501 extends into the annular groove II 502, a space I6 is formed between the bottom of the grinding barrel 5 and the inner bottom wall of the separation barrel 4, a space II 7 is formed between the bottom of the separation barrel 4 and the inner bottom wall of the tank body 1I, the grinding barrel 5 is provided with a liquid discharge port 503, the separation barrel 4 is provided with a filtering port 405, the tank body 1 is provided with a discharge port 101, and the liquid discharge port 503, the space I6, the filtering port 405, the space II 7 and the discharge port 101 are sequentially communicated;
a plurality of grinding fins 8 are arranged on the main shaft 3 and are positioned inside the grinding barrel 5.
In the embodiment, in order to solve the problem that the treatment process of the coking wastewater treatment device in the prior art is long and complicated, coking wastewater is treated by using raw material coal of a coking plant, the coal is mainly organic carbon and is equivalent to low-end activated carbon, organic substances, particularly aromatic hydrocarbons, mercaptan, thioether and the like are easily adsorbed, the adsorption surface area of the raw material coal can be increased after the raw material coal is ground and crushed, the adsorption force is increased, benzene homologues, phenol and the like in the coking wastewater can be effectively adsorbed, the content of organic substances in the coking wastewater is greatly reduced after the raw material coal passes through the recycling device, the efficiency can be improved during biochemical treatment, the effluent quality is improved, particularly for small plants and new plants, the cost can be reduced, the occupied area is reduced, and the adsorption coal in the process can be put into the coking process after being dehydrated, so that the reuse is realized.
The specific working principle is that raw material coal is put into a grinding barrel 5, a main shaft 3 is driven by an external motor, the grinding barrel 5 is relatively static, the main shaft 3 drives a grinding fin 8 to break the raw material coal, then coking wastewater is discharged into an annular separating piece 402, the annular separating piece 402 rotates along with the main shaft 3, an annular groove I403 on the annular separating piece 402 is convenient for collecting large-particle impurities in the coking wastewater, an annular inclined surface 404 is convenient for the wastewater to enter the grinding barrel 5 from a through hole 401, after the coking wastewater enters the grinding barrel 5, the grinding fin 8 can play a role of stirring to accelerate mixing of the wastewater and the raw material coal, a solid stirring product and a mixed liquid are generated after the mixing is mixed to a certain degree, a liquid discharge port 503 is opened, the mixed liquid can flow into a space I6, after a solid product in the grinding barrel 5 is taken out, next grinding and mixing can be continued, the mixed liquid is filtered from a filtering port 405, the filtered liquid enters a space II 7 to be static, and is discharged from a discharge port 101 after a period of time. Impurities precipitated during standing are retained in the second space 7, and the filtrate is filtered out from the discharge port 101 and then subjected to dehydration and conventional biochemical treatment.
The drain 503, the filter 405, and the discharge port 101 may be opened and closed by electromagnetic valves, and may be provided with a filter or the like for filtration. The annular flow guide member 501 on the upper end surface of the grinding barrel 5 is used for smoothly guiding the wastewater leaked from the upper through hole 401 into the barrel, so as to prevent the wastewater from directly leaking from a gap between the grinding barrel 5 and the separation barrel 4. Impurities in the first space 6 and the second space 7, the liquid outlet 503, the filtering port 405 and the discharge port 101 can be cleaned regularly, and the problems of excessive impurities and blockage of the outlet are avoided.
In conclusion, the recycling device solves the problem that the coking wastewater treatment device in the prior art is long and complex in treatment process, reduces the cost, reduces the occupied space and improves the efficiency.
Further, the method also comprises the following steps of,
a support 9 provided on the outer side wall of the separation tub 4 below the annular separating member 402;
sliding plates 10 slidably disposed on the support member 9 in a radial direction of the separation tub 4, the sliding plates 10 being two and symmetrically disposed on the support member 9;
and a first elastic member 11 having both ends respectively acting on the two sliding plates 10 for providing a force for the two sliding plates 10 to approach each other.
In this embodiment, considering that the impurities precipitated on the inner wall of the tank body 1 in the second space 7 can be remained, the impurities need to be cleaned in time, in order to solve the problem, a supporting member 9 is installed on the outer wall of the bottom of the separation barrel 4, the supporting member 9 rotates along with the separation barrel 4, two sliding plates 10 are symmetrically installed on the supporting member 9, the two sliding plates 10 slide on the supporting member 9 in opposite directions, and a spring can be selected as the first elastic member 11, after the supporting member 9 rotates, the sliding plates 10 can slide outwards due to the action of centrifugal force, the elastic force of the spring can be preset, so that when the spindle 3 rotates, the sliding plates 10 can be in sliding contact with the inner wall of the tank body 1, and then the impurities on the inner wall can be cleaned, and under the action of the spring, the rigid contact with the inner wall can be avoided, and the tank body 1 can be prevented from being damaged.
The solid product can be taken out while the filtrate is kept stand, and the main shaft 3 stops rotating, so that the standing process is not influenced.
Further, the support member 9 is hollow, the front and rear end surfaces of the support member 9 are respectively provided with a strip-shaped hole 901, the sliding plate 10 is provided with a sliding portion 1001, the front and rear end surfaces of the sliding portion 1001 are respectively provided with an outer protrusion 1002, the sliding portion 1001 slides in the support member 9, the two outer protrusions 1002 respectively extend out of the two strip-shaped holes 901, and an elastic member 11 is arranged between the two outer protrusions 1002 of the two sliding plates 10.
In this embodiment, the specific arrangement of the sliding plate 10 on the support 9 is that the sliding portion 1001 of the sliding plate 10 slides in the support 9 in a telescopic manner, and the convex portion 1002 on the sliding portion 1001 is clamped in the strip-shaped hole 901 to realize the position limitation. In addition, a support member 9, a sliding plate 10 and an elastic member 11 may be provided in the space one 6, requiring the spindle 3 to penetrate through the separation tub 4, leaving a portion for the support member 9 to be mounted.
Further, the method also comprises the following steps of,
two scrapers 12 are slidably disposed on the two sliding plates 10, respectively, and the two scrapers 12 slide along the radial direction of the separation barrel 4 in opposite directions.
Further, the method also comprises the following steps of,
a guide post 13 provided on the slide plate 10;
and a second elastic element 14 sleeved on the guide post 13, wherein the scraper 12 is provided with a convex part 1201, the convex part 1201 is sleeved on the guide post 13, one end of the second elastic element 14 acts on the sliding plate 10, and the other end of the second elastic element acts on the convex part 1201 and is used for providing a force for the convex part 1201 to approach the sliding plate 10.
Further, the guide posts 13, the second elastic piece 14 and the protruding part 1201 are provided in a plurality.
In this embodiment, in order to further improve the cleaning effect of the residual impurities, a scraper 12 may be additionally disposed on the sliding plate 10, the scraper 12 is elastically connected through a second elastic member 14, the protruding portion 1201 is tubular, and slides telescopically on the guide post 13, and the guide post 13 plays a role in limiting.
Further, the method also comprises the following steps of,
the mounting plate 2 is arranged on the tank body 1 through the first connecting piece 15;
and a second connecting piece 16, and the grinding barrel 5 is arranged on the mounting plate 2 through the second connecting piece 16.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A coking wastewater treatment and reuse device is characterized by comprising,
a tank body (1);
the mounting plate (2) is arranged on the tank body (1);
the main shaft (3) is rotatably arranged on the mounting plate (2);
the separation barrel (4) is arranged on the main shaft (3), the wall surface of the separation barrel (4) is provided with a plurality of through holes (401), the outer wall of the separation barrel is provided with an annular separation piece (402), and the annular separation piece (402) is provided with an annular groove I (403) and an annular inclined surface (404);
the grinding barrel (5) is arranged on the main shaft (3) through a bearing and connected to the mounting plate (2), the main shaft (3) rotates relative to the grinding barrel (5), the grinding barrel (5) is located inside the separation barrel (4), an annular flow guide piece (501) is arranged at the opening end of the grinding barrel (5), an annular groove II (502) is formed in the inner side wall of the separation barrel (4), the end portion of the annular flow guide piece (501) extends into the annular groove II (502), a space I (6) is formed between the bottom of the grinding barrel (5) and the inner bottom wall of the separation barrel (4), a space II (7) is formed between the bottom of the separation barrel (4) and the inner bottom wall of the tank body (1), the grinding barrel (5) is provided with a liquid discharge port (503), the separation barrel (4) is provided with a filtering port (405), the tank body (1) is provided with a discharge port (101), and the liquid discharge port (503), the space I (6), the filtering port (405), the space II (7) and the discharge port (101) are sequentially communicated;
a plurality of grinding fins (8) are arranged on the main shaft (3) and positioned inside the grinding barrel (5);
a support (9) provided on the outer side wall of the separation tub (4) below the annular separating member (402);
sliding plates (10) slidably disposed on the support member (9) in a radial direction of the separation tub (4), the sliding plates (10) being two and symmetrically disposed on the support member (9);
the first elastic piece (11) acts on the two sliding plates (10) at two ends respectively and is used for providing a force for enabling the two sliding plates (10) to approach each other;
the support piece (9) is hollow, a strip-shaped hole (901) is formed in each of the front end face and the rear end face of the support piece (9), the sliding plate (10) is provided with a sliding part (1001), each of the front end face and the rear end face of the sliding part (1001) is provided with an outer convex part (1002), the sliding part (1001) slides in the support piece (9), the two outer convex parts (1002) respectively extend out of the two strip-shaped holes (901), and a first elastic part (11) is arranged between the two outer convex parts (1002) opposite to the two sliding plates (10);
the two scraping plates (12) are respectively arranged on the two sliding plates (10) in a sliding mode, and the two scraping plates (12) slide along the radial direction of the separation barrel (4) in opposite sliding directions;
a guide post (13) provided on the slide plate (10);
the second elastic piece (14) is sleeved on the guide post (13), the scraper (12) is provided with a protruding part (1201), the protruding part (1201) is sleeved on the guide post (13), one end of the second elastic piece (14) acts on the sliding plate (10), and the other end of the second elastic piece (14) acts on the protruding part (1201) and is used for providing a force for the protruding part (1201) to approach the sliding plate (10).
2. The coking wastewater treatment and recycling device of claim 1, wherein there are a plurality of the guide posts (13), the second elastic members (14) and the convex parts (1201).
3. The coking wastewater treatment and recycling device according to claim 2, further comprising,
the mounting plate (2) is arranged on the tank body (1) through the first connecting piece (15);
and the second connecting piece (16), and the grinding barrel (5) is arranged on the mounting plate (2) through the second connecting piece (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211420212.6A CN115557565B (en) | 2022-11-15 | 2022-11-15 | Coking wastewater treatment recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211420212.6A CN115557565B (en) | 2022-11-15 | 2022-11-15 | Coking wastewater treatment recycling device |
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| Publication Number | Publication Date |
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| CN115557565A CN115557565A (en) | 2023-01-03 |
| CN115557565B true CN115557565B (en) | 2023-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211420212.6A Active CN115557565B (en) | 2022-11-15 | 2022-11-15 | Coking wastewater treatment recycling device |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103145301B (en) * | 2013-03-27 | 2014-05-14 | 中国矿业大学 | Coking wastewater treatment technology |
| CN207227144U (en) * | 2017-07-18 | 2018-04-13 | 百米马（天津）有限公司 | A kind of high-efficiency wastewater treatment system |
| CN108585253A (en) * | 2018-06-22 | 2018-09-28 | 丁永才 | A kind of energy saving and environment friendly trade effluent graded processing device |
| CN211199142U (en) * | 2019-12-31 | 2020-08-07 | 新疆大森化工有限公司 | Negative pressure solid-liquid separation system for preparing diesel antiwear agent |
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