CN113058307B - High-continuity filtering device for treating metallurgical wastewater - Google Patents
High-continuity filtering device for treating metallurgical wastewater Download PDFInfo
- Publication number
- CN113058307B CN113058307B CN202110375450.9A CN202110375450A CN113058307B CN 113058307 B CN113058307 B CN 113058307B CN 202110375450 A CN202110375450 A CN 202110375450A CN 113058307 B CN113058307 B CN 113058307B
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- Prior art keywords
- treatment tank
- tank
- pressing piece
- wastewater
- water
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- 239000002351 wastewater Substances 0.000 title claims abstract description 38
- 238000001914 filtration Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000007790 scraping Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000011085 pressure filtration Methods 0.000 abstract 1
- 239000010865 sewage Substances 0.000 description 7
- 239000004677 Nylon Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004075 wastewater filtration Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the field of environmental protection, in particular to a high-continuity filtering device for treating metallurgical wastewater, which comprises a closed treatment tank and a rotary water pressing piece arranged in the treatment tank, wherein the inner cavity of the treatment tank is in an approximately elliptical cylinder shape, the rotary water pressing piece is provided with three arc surfaces, a sealing scraping blade is arranged at the joint of each two surfaces, and when the rotary water pressing piece rotates in the treatment tank, the three sealing scraping blades are always in close fit with the inner wall of the treatment tank, so that the inner cavity space of the treatment tank is always divided into three relatively independent parts. The rotary water pressing piece is simple in structure, wastewater is uninterruptedly poured into the treatment tank through the water inlet channel, the rotary water pressing piece can be used for carrying out continuous and uninterrupted pressure filtration on the wastewater, filtered solid particles are scraped and collected, and all treatment links of the whole process cannot be interrupted, so that the wastewater treatment efficiency is greatly improved.
Description
Technical Field
The invention relates to the field of environment-friendly equipment, in particular to a high-continuity filtering device for treating metallurgical wastewater.
Background
The large amount of waste water discharged in the metallurgical process mainly comprises cooling water, pickling waste water, dedusting and coal gas, flue gas washing waste water, slag flushing waste water, waste water condensed, separated or overflowed in the production process and the like, wherein the waste water contains a large amount of suspended metals, solid particles, chemical reaction reagents, emulsified oil and the like dissolved in the waste water, and if the waste water is discharged without treatment, the waste water can cause serious damage to the natural environment. The deep treatment of metallurgical waste water is to filter the suspended metal and solid particles in the waste water.
The metallurgical waste water filtration equipment in the prior art usually fills waste water into a settling tank, stands for settling after a certain period of time, scrapes off solid particles at the bottom of the tank by using a scraper, and finally discharges water. Obviously, the settling and sludge scraping are suspended during the influent stage, and the influent discharge is suspended during the settling and sludge scraping stage, so that the treatment efficiency of such an intermittent process flow is low.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-continuity filtering device for treating metallurgical wastewater, which can continuously and uninterruptedly filter the wastewater and has high filtering efficiency. The technical scheme adopted by the invention is as follows:
a high-continuity filtering device for treating metallurgical wastewater comprises a closed treatment tank and a rotary water pressing piece arranged inside the treatment tank, wherein the inner cavity of the treatment tank is in an approximately elliptical cylinder shape, the rotary water pressing piece is provided with three arc-shaped surfaces, a groove is arranged at the joint of each two surfaces, a long-strip-shaped sealing scraper made of hard wear-resistant materials such as nylon or polyurethane materials is arranged in the groove, the center of the rotary water pressing piece is provided with a through hole, and a circle of internal teeth are arranged in the through hole;
a driving motor is fixed at the outer bottom of the treatment tank, an output shaft of the motor penetrates through the bottom of the treatment tank, and a driving gear on the output shaft of the motor is internally tangent and meshed with the internal teeth;
when the rotary water pressing piece is driven by the driving motor and the driving gear to rotate in the treatment tank, the three sealing scraping pieces are always attached to the inner wall of the treatment tank, so that the inner cavity space of the treatment tank is always divided into three relatively independent parts.
Preferably, a water inlet channel is arranged on one side of the tank wall of the treatment tank and is used for conveying the wastewater to be treated into the treatment tank;
the inner wall surface of the tank wall opposite to the water inlet channel is a screen surface with a plurality of water outlet micropores;
and a plurality of water outlet channels communicated with the water outlet micropores are formed in the tank wall corresponding to the position of the screen surface along the height direction of the tank body, and the water outlet channels are communicated with a water outlet formed in the other side of the tank wall.
Preferably, at least one strip-shaped sewage draining exit along the height direction of the tank body is formed in the tank wall facing the screen, and a plurality of temporary storage holes communicated with the sewage draining exit are formed in the tank wall corresponding to the position of the sewage draining exit along the height direction of the tank body.
Compared with the prior art, the invention has the beneficial effects that: the device simple structure, waste water are passed through inhalant canal and are irritated the treatment tank uninterruptedly, and rotatory pressure water spare can carry out the filter-pressing to waste water uninterruptedly in succession to strike off the solid particle who strains and collect, the intermittent type can not take place for all processing links of whole process, consequently greatly improves waste water treatment's efficiency.
Drawings
FIG. 1 is a schematic perspective view of a filter apparatus according to the present invention;
FIG. 2 is a schematic top view of a filtration apparatus according to the present invention;
fig. 3 is a schematic view of a filtering process of the filtering apparatus according to the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1 to 3, a high continuity filter unit for treating metallurgical wastewater includes:
the device comprises a closed treatment tank 1, wherein the inner cavity of the treatment tank 1 is in an approximately elliptical cylinder shape, and a water inlet channel 11 is arranged on one side of the tank wall of the treatment tank 1 and used for conveying wastewater to be treated into the treatment tank;
the inner wall surface of the tank wall opposite to the water inlet channel 11 is a screen surface 13 with a plurality of water outlet micropores 12;
in the tank wall corresponding to the position of the screen surface 13, a plurality of water outlet channels 14 communicated with the water outlet micropores 12 are arranged along the height direction of the tank body, and the water outlet channels 14 are communicated with a water outlet 15 arranged on the other side of the tank wall.
At least one strip-shaped sewage draining exit 16 along the height direction of the tank body is arranged on the tank wall opposite to the screen surface 13, and a plurality of temporary storage holes 17 communicated with the sewage draining exit 16 are arranged in the tank wall corresponding to the position of the sewage draining exit 16 along the height direction of the tank body.
A rotary water pressing member 2 provided inside the treatment tank 1 and having three curved surfaces 20, 21, 22, a groove 23 is provided at the junction of each two surfaces, a strip-shaped sealing blade (not shown) made of hard wear-resistant material such as nylon or polyurethane is installed in the groove 23, and a through hole is formed in the center of the rotary water pressing member 2 and a ring of internal teeth 24 is provided therein.
A driving motor is fixed at the outer bottom of the treatment tank 1, a motor output shaft 31 penetrates through the bottom of the treatment tank, and a driving gear 32 on the motor output shaft 31 is internally tangent and meshed with the internal teeth 24;
when the rotary water pressing piece 2 is driven by the driving motor and the driving gear to rotate in the treatment tank, the three sealing scraping pieces are always attached to the inner wall of the treatment tank, so that the inner cavity space of the treatment tank is always divided into three relatively independent parts.
With reference to fig. 3, the filtering device, in use:
as shown in fig. 3a, the waste water containing solid particles is input into the treatment tank from the outside through the water inlet channel 11 and enters the space between the treatment tank 1 and the first arc-shaped surface 20 of the rotary water pressing member 2;
as shown in fig. 3b, the rotary water pressing member 2 rotates clockwise, the first arc-shaped surface 20 presses the wastewater to be separated out through the outlet micropores, and solid particles in the wastewater are filtered by the screen surface;
as shown in fig. 3c, the filtered fixed particles are scraped downwards by the sealing blade between the first arc-shaped surface 20 and the second arc-shaped surface 21 and moved to the sewage drain 16 to be discharged.
The above process has been chosen for the sake of understanding only and is described statically at three moments of operation of the filter device, as will be appreciated by the skilled person, the filter device according to the invention is operated continuously, for example, at the moment of operation shown in fig. 3b, there is still a constant flow of waste water into the space between the treatment tank and the second arched surface 21.
In another embodiment of the present invention, the driving rotation speed of the driving motor is adjusted according to the content of solid particles in the wastewater, the content of solid particles can be detected by a detection unit installed upstream of the water inlet channel, such as an ultrasonic sensor, and when the content is greater than a set value, the driving rotation speed is controlled to be reduced, thereby ensuring the filtering effect; and when the content is less than a set value, controlling the driving rotating speed to be increased so as to ensure the filtering efficiency.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A high-continuity filtering device for treating metallurgical wastewater is characterized by comprising a closed treatment tank and a rotary water pressing piece arranged inside the treatment tank, wherein the rotary water pressing piece is provided with three arc-shaped surfaces, a groove is formed at the joint of each two surfaces, a sealing scraping piece made of hard wear-resistant material is arranged in the groove, a through hole is formed in the center of the rotary water pressing piece, and a circle of internal teeth are arranged in the through hole;
a driving motor is fixed at the outer bottom of the treatment tank, and an output shaft of the motor penetrates through the bottom of the treatment tank and is internally and internally meshed with the internal teeth;
when the rotary water pressing piece is driven by the driving motor and the rotating shaft to rotate in the treatment tank, the three sealing scraping pieces are always attached to the inner wall of the treatment tank in a sealing manner, so that the inner cavity space of the treatment tank is always divided into three relatively independent parts.
2. A high continuity filter unit for treating metallurgical waste water according to claim 1,
a water inlet channel is arranged on one side of the tank wall of the treatment tank and used for conveying the wastewater to be treated into the treatment tank;
the inner wall surface of the tank wall opposite to the water inlet channel is a screen surface with a plurality of water outlet micropores;
and a plurality of water outlet channels communicated with the water outlet micropores are formed in the tank wall corresponding to the position of the screen surface along the height direction of the tank body, and the water outlet channels are communicated with a water outlet formed in the other side of the tank wall.
3. The high-continuity filtering device for treating metallurgical wastewater according to claim 2, wherein at least one strip-shaped drain outlet along the height direction of the tank body is formed in the tank wall facing the screen, and a plurality of temporary storage holes communicated with the drain outlet are formed in the tank wall corresponding to the drain outlet along the height direction of the tank body.
4. A high continuity filter unit for treating metallurgical waste water according to one of claims 1 to 3, characterized in that the driving speed of the driving motor is adjusted according to the content of solid particles in the waste water.
5. The high continuity filter device for treating metallurgical waste water according to claim 4, wherein the content of solid particles is measured by a detection unit installed upstream of the water inlet passage, and when the content is greater than a set value, the driving rotation speed is controlled to be reduced, and when the content is less than the set value, the driving rotation speed is controlled to be increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110375450.9A CN113058307B (en) | 2021-04-08 | 2021-04-08 | High-continuity filtering device for treating metallurgical wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110375450.9A CN113058307B (en) | 2021-04-08 | 2021-04-08 | High-continuity filtering device for treating metallurgical wastewater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113058307A CN113058307A (en) | 2021-07-02 |
| CN113058307B true CN113058307B (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110375450.9A Active CN113058307B (en) | 2021-04-08 | 2021-04-08 | High-continuity filtering device for treating metallurgical wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113058307B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1080878A (en) * | 1963-11-07 | 1967-08-23 | Dawson Bros Ltd | Improvements relating to vacuum filters |
| KR20100137350A (en) * | 2010-03-23 | 2010-12-30 | 김창수 | Filtering apparatus for water treatment |
| CN108452577A (en) * | 2018-02-02 | 2018-08-28 | 宁波沸柴机器人科技有限公司 | A kind of efficient sewage water filtration tank |
| CN111167779A (en) * | 2020-03-30 | 2020-05-19 | 磐安叶层煤矿设备有限公司 | Environment-friendly water-saving ore cleaning machine |
| CN210645296U (en) * | 2019-05-27 | 2020-06-02 | 天津安禹水利工程有限公司 | Filter pressing equipment for sewage treatment |
-
2021
- 2021-04-08 CN CN202110375450.9A patent/CN113058307B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1080878A (en) * | 1963-11-07 | 1967-08-23 | Dawson Bros Ltd | Improvements relating to vacuum filters |
| KR20100137350A (en) * | 2010-03-23 | 2010-12-30 | 김창수 | Filtering apparatus for water treatment |
| CN108452577A (en) * | 2018-02-02 | 2018-08-28 | 宁波沸柴机器人科技有限公司 | A kind of efficient sewage water filtration tank |
| CN210645296U (en) * | 2019-05-27 | 2020-06-02 | 天津安禹水利工程有限公司 | Filter pressing equipment for sewage treatment |
| CN111167779A (en) * | 2020-03-30 | 2020-05-19 | 磐安叶层煤矿设备有限公司 | Environment-friendly water-saving ore cleaning machine |
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| Publication number | Publication date |
|---|---|
| CN113058307A (en) | 2021-07-02 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20220511 Address after: 518100 Room 101, building D, No. 9, Hongling Industrial Zone, Liulian community, Pingdi street, Longgang District, Shenzhen, Guangdong Province Applicant after: Shenzhen Yuexin Precious Metals Co.,Ltd. Address before: 317500 shuishuiyuan community, Wenling City, Taizhou City, Zhejiang Province Applicant before: Li Yanqiang |
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