CN113332755A - Structure for cleaning sludge adhered to inclined tube of sedimentation tank - Google Patents
Structure for cleaning sludge adhered to inclined tube of sedimentation tank Download PDFInfo
- Publication number
- CN113332755A CN113332755A CN202110712891.3A CN202110712891A CN113332755A CN 113332755 A CN113332755 A CN 113332755A CN 202110712891 A CN202110712891 A CN 202110712891A CN 113332755 A CN113332755 A CN 113332755A
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- Prior art keywords
- aeration
- pipe
- air
- sedimentation tank
- sludge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0006—Settling tanks provided with means for cleaning and maintenance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
- B01D21/0051—Plurality of tube like channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/032—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces by the mechanical action of a moving fluid
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
A structure for rinsing sedimentation tank pipe chute adhesion mud belongs to sedimentation tank technical field. The invention solves the problems that the inclined tube sludge in the sedimentation tank needs to be cleaned manually, the time and the labor are wasted, and the efficiency is low. The invention adopts a pulse generator to control the fourth non-differential pressure electromagnetic valve to be opened in a pulse state, so that airflow is ejected in a pulse state, the pulse gas drives the water flow at the lower part of the inclined tube, the high-speed jet flow combined with the air and the water can control physical waves formed by the pulse to impact and vibrate sludge impurities and the like adhered to the inner wall of the inclined tube, and the sludge impurities and the like can be quickly separated from the inclined tube to realize the cleaning purpose. The invention is suitable for cleaning sludge adhered to the inclined tube of the sedimentation tank.
Description
Technical Field
The invention relates to the technical field of sedimentation tanks.
Background
At present, an inclined pipe is additionally arranged inside a sedimentation tank to improve the sedimentation efficiency of impurities in sewage, but in practical application, although the inclined pipe is arranged at an inclination angle of 60 degrees, sludge which cannot slide down by gravity is often adhered to the inclined pipe, if the sludge is not cleaned in time, the sludge floats upwards due to gas generated by microorganisms inside the sludge, and the quality of effluent is finally influenced, so that the problem of standard exceeding of the quality of the effluent is caused. The method of cleaning the inclined tube at present is to regularly reduce the sedimentation tank water level, expose 1/2 about the vertical height of inclined tube, wash the clay on the inclined tube with the water gun, the personnel need be gone into the pond and wash sometimes, waste time and energy, have certain danger, inefficiency, personnel's operational environment is poor, and it is great to normal production influence, because when the sedimentation tank cleaned the inclined tube, the unilateral system was required to stop production (for example 12h) for a long time, therefore the volume of water treated has been reduced.
Disclosure of Invention
The invention provides a structure for cleaning sludge adhered to an inclined tube of a sedimentation tank, aiming at solving the problems that the inclined tube sludge in the sedimentation tank needs to be cleaned manually, the time and the labor are wasted, and the efficiency is low.
The invention relates to a structure for cleaning sludge adhered to an inclined pipe of a sedimentation tank, which comprises an air compressor, an air pressure tank, a pulse generator, a first butterfly valve, a second butterfly valve, a third butterfly valve, a non-differential pressure electromagnetic valve, a transverse aeration pipe, a vertical aeration pipe, an aeration net and a controller, wherein the air compressor is connected with the air pressure tank;
the aeration net is arranged between the inclined pipe bracket and the inclined pipe and comprises an aeration main pipe and an aeration branch pipe;
the aeration main pipes are rectangular frames formed by connecting four main pipes, and the aeration branch pipes are distributed between two long sides of the rectangular frames at equal intervals and are perpendicular to and communicated with the two long sides of the rectangular frames; a plurality of aeration holes are arranged on the lower surface of the aeration branch pipe at equal intervals along the axial direction;
the middle point of one long edge of the aeration main pipe is vertically connected with an aeration vertical pipe, one end of the aeration vertical pipe is communicated with the aeration main pipe, the other end of the aeration vertical pipe is communicated with one end of a horizontal aeration pipe, the other end of the horizontal aeration pipe is communicated with an air outlet of an air pressure tank through a first air guide pipe, and an air inlet of the air pressure tank is communicated with an air outlet of an air compressor; the air outlet of the air compressor is also communicated with the other end of the horizontal aeration pipe through a second air duct 401;
a first butterfly valve is arranged on an air inlet of the air pressure tank, a second butterfly valve is arranged on the first air guide pipe, and a third butterfly valve is arranged on the second air guide pipe;
the other end of the horizontal aerator pipe 9 is provided with a non-differential pressure electromagnetic valve 8, the signal output end of the pulse generator 7 is connected with the pulse signal input end of the controller, and the electromagnetic valve intermittent start-stop control signal output end of the controller is connected with the switch control signal input end of the non-differential pressure electromagnetic valve 8.
Further, in the present invention, the first air duct 601 is connected between the third butterfly valve 5 and the non-differential pressure solenoid valve 8.
Further, in the invention, an electric contact pressure gauge 2 is further arranged on the air pressure tank 3, and the electric contact pressure gauge 2 is used for collecting the air pressure in the air pressure tank.
Further, in the present invention, the aeration holes are all directed toward the lower side of the aeration branch pipes.
Furthermore, in the invention, the aeration holes are positioned at the lower left or lower right of the aeration branch pipes, and the included angle between the connecting line of the centers of the aeration holes and the axis of the corresponding aeration branch pipes and the vertical direction is 45 degrees.
Further, in the present invention, two aeration holes adjacent to each other in the aeration branch pipe are located at the lower left and lower right, respectively.
Further, in the invention, the air compressor is a variable frequency air compressor.
The invention adopts the pulse generator to control the fourth non-pressure-difference electromagnetic valve 8 to be opened in a pulse state, so that airflow is sprayed out in a pulse state, the pulse gas drives the water flow at the lower part of the inclined tube, the high-speed jet flow combined with the air and the water can control physical waves formed by the pulse to impact and vibrate sludge impurities and the like adhered to the inner wall of the inclined tube, so that the sludge impurities and the like can be quickly separated from the inclined tube to realize the cleaning purpose, and the invention has the advantages of high efficiency, good cleaning effect and the like.
Drawings
FIG. 1 is a schematic view of the installation position of the structure for cleaning the inclined tube adhered sludge in the sedimentation tank according to the present invention;
FIG. 2 is a schematic view of the structure for cleaning the inclined tube adhered sludge of the settling tank according to the present invention;
FIG. 3 is a schematic view of an installation structure of an aeration net;
FIG. 4 is a schematic view of a down tube support mounting arrangement;
FIG. 5 is a schematic view of the position of the aeration holes.
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.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The first embodiment is as follows: the following describes the present embodiment with reference to fig. 1 to 5, the structure for cleaning the inclined tube adhered sludge of the sedimentation tank in the present embodiment,
the device comprises an air compressor 1, an air pressure tank 3, a pulse generator 7, a first butterfly valve 4, a second butterfly valve 6, a third butterfly valve 5, a non-pressure-difference electromagnetic valve 8, a horizontal aeration pipe 9, a vertical aeration pipe 10, an aeration net 18 and a controller;
the aeration net 18 is arranged between the inclined pipe bracket 14 and the inclined pipe 17, and the aeration net 18 comprises an aeration main pipe 12 and an aeration branch pipe 13;
the aeration main pipes 12 are rectangular frames formed by connecting four main pipes, and the aeration branch pipes 13 are distributed between two long sides of the rectangular frames at equal intervals, are perpendicular to and communicated with the two long sides of the rectangular frames; the lower surface of the aeration branch pipe 13 is provided with a plurality of aeration holes 11 at equal intervals along the axial direction;
a middle point of one long side of the aeration main pipe 12 is vertically connected with an aeration vertical pipe 10, one end of the aeration vertical pipe 10 is communicated with the aeration main pipe 12, the other end of the aeration vertical pipe is communicated with one end of a horizontal aeration pipe 9, the other end of the horizontal aeration pipe 9 is communicated with an air outlet of the air pressure tank 3 through a first air duct 601, and an air inlet of the air pressure tank 3 is communicated with an air outlet of the air compressor 1; the air outlet of the air compressor 1 is also communicated with the other end of the horizontal aeration pipe 9 through a second air duct 401;
a first butterfly valve 4 is arranged on an air inlet of the air pressure tank 3, a second butterfly valve 6 is arranged on the first air guide pipe 601, and a third butterfly valve 5 is arranged on the second air guide pipe 401;
the other end of the horizontal aerator pipe 9 is provided with a non-differential pressure electromagnetic valve 8, the signal output end of the pulse generator 7 is connected with the pulse signal input end of the controller, and the electromagnetic valve intermittent start-stop control signal output end of the controller is connected with the switch control signal input end of the non-differential pressure electromagnetic valve 8.
The aeration net 18 is rectangular and is horizontally arranged close to the lower part of the inclined tube bracket 14 of the sedimentation tank. The aeration main pipes 12 are arranged at the outermost periphery of the aeration net 18 in a rectangular communication mode. The aeration branch pipe 13 is composed of a UPVC pipeline, two ends of the aeration branch pipe 13 are connected with the aeration main pipe in a bonding mode, aeration holes 11 are formed in the aeration branch pipe at certain intervals, the aeration holes 11 are distributed in a staggered mode of inclining downwards by 45 degrees, and the aperture and the interval of the aeration holes 11 are determined according to the required aeration quantity. The compressed air enters the branch aeration pipes 13 from the main aeration pipe 12 and then is discharged through the aeration holes 11. The aeration branch pipes 13 are uniformly distributed under the inclined pipe bracket, and the upper end of the inclined pipe bracket 14 is provided with an inclined pipe 17. The aeration grids 18 for cleaning the inclined pipes are uniformly arranged, the aeration holes 11 inclined downwards by 45 degrees are arranged to prevent sludge from directly blocking the aeration holes 11, meanwhile, the airflow disturbs the water flow at the lower end of the inclined pipe support 14, then a large amount of bubbles rise under the action of buoyancy, and the airflow and water flow scouring action is simultaneously performed on the deposited sludge on the inclined pipes 17, so that the cleaning effect of the inclined pipes of the sedimentation tank is improved.
The aeration vertical pipe 10 is connected with the middle point of the long side of the aeration main pipe 12 of the aeration net in a tee joint bonding mode. The vertical aeration pipe extends out of the sedimentation tank and is connected with a horizontal aeration pipe 9 after passing through a 90-degree elbow. On the top of the sedimentation tank, a horizontal aeration pipe 9 is connected with a non-differential pressure electromagnetic valve 8, and the non-differential pressure electromagnetic valve 8 is controlled by a pulse generator 7 linkage controller to control the start-stop time. No pressure difference solenoid valve 8 is connected through first butterfly valve 4, second butterfly valve 6, third butterfly valve 5 with the atmospheric pressure jar, switches through the switch of first butterfly valve 4, second butterfly valve 6, third butterfly valve 5, can realize that 3 aerations of atmospheric pressure jar and 1 aeration modes of air compressor machine switch, improves the flexibility of operation. Further, a first air duct 601 is connected between the third butterfly valve 5 and the non-differential pressure solenoid valve 8.
Further, in the present embodiment, the first air duct 601 is connected between the third butterfly valve 5 and the non-differential pressure solenoid valve 8.
Further, in this embodiment, an electric contact pressure gauge 2 is further disposed on the air pressure tank 3, and the electric contact pressure gauge 2 is configured to collect gas pressure in the air pressure tank 3.
In the embodiment, the air pressure tank 3 is provided with the electric contact pressure gauge 2, and the electric contact pressure gauge 2 controls the air compressor 1 to start and stop, so that the pressure in the air pressure tank 3 is constant.
Further, in the present embodiment, the aeration holes 11 are all directed to the lower side of the aeration branch pipes 13.
Further, in the present embodiment, the aeration holes 11 are located at the lower left or lower right of the aeration branch pipes 13, and a line connecting the centers of the aeration holes 11 and the axis of the corresponding aeration branch pipe 13 forms an angle of 45 degrees with the vertical direction.
Further, in the present embodiment, two aeration holes adjacent to each other in the aeration branch pipes 13 are located at the lower left and lower right, respectively. Further, in the present embodiment, the air compressor 1 is a variable frequency air compressor.
The aeration net 18 is tightly attached to the lower part of the inclined tube bracket 14, and the aeration main tube and the inclined tube bracket are fixed by adopting a stainless steel tube hoop and a stainless steel screw, and the distance between the tube hoops is 1.5 m.
Starting for the first time:
the device works for the first time, the air compressor 1 inflates the air pressure tank 3, and after the pressure of the electric contact pressure gauge 2 gradually rises to the set upper limit pressure, the air compressor 1 enters a standby state.
After the first system is started, the air pressure tank keeps set pressure, the butterfly valves 4 and 5 are kept normally closed, the butterfly valve 6 is kept normally open, the proper starting and stopping time of the non-differential-pressure electromagnetic valve 8 is selected through selecting different pulse generators 7 and frequency linkage controllers, and the flushing is carried out according to the mode.
If 1 air feed volume of atmospheric pressure jar is not enough, lead to sedimentation tank pipe chute 17 to wash the effect not good, can close second butterfly valve 6, open butterfly valve 4, 5 through adjustment air compressor machine 1 frequency, the adjustment amount of wind keeps no pressure difference solenoid valve to open normally or through the reasonable start-stop time of impulse generator 7 linkage controller control solenoid valve, carries out continuous or pulsed washing, and general total washing time is about 10 min.
The invention adopts the pulse controller 7 linkage controller to control the starting and stopping time of the non-differential pressure solenoid valve 8, and washes the inclined tube 17 by pulse type airflow, so that firstly, the washing effect of the inclined tube 17 can be improved; secondly, the flushing time can be shortened, and the energy consumption is saved.
1 frequency conversion design of air compressor machine, adjustable amount of wind size to satisfy multiple operating mode demand.
The aeration grids 18 are arranged under the inclined pipe support in a close fit manner, are close to the inclined pipe, and the aeration branch pipes are uniformly distributed and are arranged in a staggered manner through inclined aeration holes of 45 degrees, so that firstly, the blockage of sludge to the aeration holes can be reduced, and the overhauling frequency of the aeration grids is reduced; and secondly, airflow and water flow can be simultaneously disturbed at the bottom of the inclined tube, so that the washing effect of the inclined tube is improved.
The invention has the advantages that: the operation is simple (the inclined pipe can be cleaned only by starting the air compressor, the pulse generator, the controller and the electromagnetic valve), the labor intensity of workers is reduced, and the effluent quality is improved.
The method is characterized in that: the material and equipment cost is low, the power consumption is low, the installation is convenient, and the durability is realized.
The main performance indexes are as follows: according to the amount of sludge adhered to the inclined pipe, the applicability of the device under different working conditions is improved through the frequency conversion setting of the air compressor, the adjustment of different frequencies of the frequency conversion generator and the pressure adjustment of the air storage tank.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (7)
1. The structure for cleaning the inclined pipe adhesion sludge of the sedimentation tank is characterized by comprising an air compressor (1), an air pressure tank (3), a pulse generator (7), a first butterfly valve (4), a second butterfly valve (6), a third butterfly valve (5), a non-pressure-difference electromagnetic valve (8), a horizontal aeration pipe (9), a vertical aeration pipe (10), an aeration net (18) and a controller;
the aeration net (18) is arranged between the inclined pipe bracket (14) and the inclined pipe (17), and the aeration net (18) comprises an aeration main pipe (12) and an aeration branch pipe (13);
the aeration main pipes (12) are rectangular frames formed by connecting four main pipes, and the aeration branch pipes (13) are distributed between two long sides of the rectangular frames at equal intervals and are perpendicular to and communicated with the two long sides of the rectangular frames; the lower surface of the aeration branch pipe (13) is provided with a plurality of aeration holes (11) at equal intervals along the axial direction;
an aeration vertical pipe (10) is vertically connected to the middle point of one long side of the aeration main pipe (12), one end of the aeration vertical pipe (10) is communicated with the aeration main pipe (12), the other end of the aeration vertical pipe is communicated with one end of a horizontal aeration pipe (9), the other end of the horizontal aeration pipe (9) is communicated with an air outlet of an air pressure tank (3) through a first air duct (601), and an air inlet of the air pressure tank (3) is communicated with an air outlet of an air compressor (1); the air outlet of the air compressor (1) is also communicated with the other end of the horizontal aeration pipe (9) through a second air duct (401);
a first butterfly valve (4) is arranged on an air inlet of the air pressure tank (3), a second butterfly valve (6) is arranged on the first air guide pipe (601), and a third butterfly valve (5) is arranged on the second air guide pipe (401);
the other end of the horizontal aeration pipe (9) is provided with a non-differential pressure electromagnetic valve (8), the signal output end of the pulse generator (7) is connected with the pulse signal input end of the controller, and the electromagnetic valve intermittent start-stop control signal output end of the controller is connected with the switch control signal input end of the non-differential pressure electromagnetic valve (8).
2. The structure for cleaning the inclined tube adhesion sludge of the sedimentation tank as recited in claim 1, wherein the first gas-guide tube (601) is connected between the third butterfly valve (5) and the non-differential pressure solenoid valve (8).
3. The structure for cleaning the inclined tube adhesion sludge of the sedimentation tank as claimed in claim 1 or 2, wherein the air pressure tank (3) is further provided with an electric contact pressure gauge (2), and the electric contact pressure gauge (2) is used for collecting the air pressure in the air pressure tank (3).
4. The structure for cleaning the inclined tube adhered sludge of the sedimentation tank as claimed in claim 1, wherein the aeration holes (11) are all directed toward the lower side of the aeration branch tube (13).
5. The structure for cleaning the inclined pipe adhered sludge of the sedimentation tank as recited in claim 1 or 4, wherein the aeration holes (11) are positioned at the lower left or lower right of the aeration branch pipes (13), and the angle between the line connecting the centers of the aeration holes (11) and the axis of the corresponding aeration branch pipe (13) and the vertical direction is 45 degrees.
6. The structure for cleaning the inclined tube adhered sludge of the sedimentation tank as recited in claim 5, wherein two aeration holes adjacent to each other in the branch aeration pipe (13) are respectively positioned at a lower left and a lower right.
7. The structure for cleaning the inclined pipe adhesion sludge of the sedimentation tank as recited in claim 5, wherein the air compressor (1) is a variable frequency air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110712891.3A CN113332755A (en) | 2021-06-25 | 2021-06-25 | Structure for cleaning sludge adhered to inclined tube of sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110712891.3A CN113332755A (en) | 2021-06-25 | 2021-06-25 | Structure for cleaning sludge adhered to inclined tube of sedimentation tank |
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| Publication Number | Publication Date |
|---|---|
| CN113332755A true CN113332755A (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110712891.3A Withdrawn CN113332755A (en) | 2021-06-25 | 2021-06-25 | Structure for cleaning sludge adhered to inclined tube of sedimentation tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN113332755A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115254821A (en) * | 2022-07-26 | 2022-11-01 | 宝武水务科技有限公司 | Cleaning device for inclined tube in inclined tube sedimentation tank |
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| JP3049431B1 (en) * | 1999-06-09 | 2000-06-05 | 正治 石川 | Purification equipment for sludge-containing wastewater |
| US20020104807A1 (en) * | 2001-02-07 | 2002-08-08 | Keeton Jimmie A. | Solar aeration system |
| CN202246278U (en) * | 2011-09-28 | 2012-05-30 | 中国石油化工股份有限公司 | Aeration device |
| CN202348527U (en) * | 2011-10-29 | 2012-07-25 | 邓允河 | Energy storage system |
| CN207850693U (en) * | 2018-01-25 | 2018-09-11 | 东风康明斯发动机有限公司 | A kind of air compressor machine loading device in engine rig test |
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| CN208893684U (en) * | 2018-09-11 | 2019-05-24 | 广东水清环保科技有限公司 | A kind of inclined-tube sedimentation tank filler fast dredging device |
| CN210205996U (en) * | 2019-07-08 | 2020-03-31 | 安阳市昌明环保设备有限责任公司 | Aeration anti-blocking sewage treatment device |
| CN213160554U (en) * | 2020-05-20 | 2021-05-11 | 山东莱钢永锋钢铁有限公司 | Sewage sludge treatment system |
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2021
- 2021-06-25 CN CN202110712891.3A patent/CN113332755A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2289071Y (en) * | 1996-08-14 | 1998-08-26 | 山东省建筑设计研究院 | Medical combined variable frequency compressed air engine set |
| JP3049431B1 (en) * | 1999-06-09 | 2000-06-05 | 正治 石川 | Purification equipment for sludge-containing wastewater |
| US20020104807A1 (en) * | 2001-02-07 | 2002-08-08 | Keeton Jimmie A. | Solar aeration system |
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| CN208823999U (en) * | 2018-08-30 | 2019-05-07 | 广州巨邦环保工程设备有限公司 | Inclined tube filler automatic flushing device |
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| CN115254821A (en) * | 2022-07-26 | 2022-11-01 | 宝武水务科技有限公司 | Cleaning device for inclined tube in inclined tube sedimentation tank |
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Application publication date: 20210903 |