CN114687378B - Novel rigid landfill - Google Patents
Novel rigid landfill Download PDFInfo
- Publication number
- CN114687378B CN114687378B CN202210366721.9A CN202210366721A CN114687378B CN 114687378 B CN114687378 B CN 114687378B CN 202210366721 A CN202210366721 A CN 202210366721A CN 114687378 B CN114687378 B CN 114687378B
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- China
- Prior art keywords
- sewage tank
- air pressure
- liquid guide
- guide pipe
- electromagnet
- Prior art date
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- 239000010865 sewage Substances 0.000 claims abstract description 61
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 238000004140 cleaning Methods 0.000 claims abstract description 32
- 239000004567 concrete Substances 0.000 claims abstract description 26
- 230000003111 delayed effect Effects 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 239000011148 porous material Substances 0.000 claims description 11
- 239000011241 protective layer Substances 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000003245 coal Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000001914 filtration Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 241000894006 Bacteria Species 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- 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
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/045—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices being rotated while moved, e.g. flexible rotating shaft or "snake"
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/56—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/064—Circuit arrangements for actuating electromagnets
-
- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/30—Landfill technologies aiming to mitigate methane emissions
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Electromagnetism (AREA)
- Paleontology (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a novel rigid landfill, which relates to the field of environmental protection and comprises a landfill pool, a rotating assembly, a driving device and a liquid level alarm assembly, wherein the landfill pool consists of a concrete wall and a concrete bottom plate; the bottom of the concrete bottom plate is provided with a liquid guide pipe, the bottom of the liquid guide pipe is fixedly connected with the sewage tank, when the gas in the sewage tank is increased and the air pressure is increased, the piston is pushed to move upwards, the cleaning brush is driven to move upwards, and the cleaning brush rotates in the process of moving upwards, so that the inner circumferential wall of the liquid guide pipe is cleaned; when the piston moves up to the highest point, redundant gas in the sewage tank is discharged through the exhaust pipe, the air pressure is reduced, and after the electromagnet is powered off in a delayed mode, the cleaning brush moves downwards again to rotationally clean the inner wall of the liquid guide pipe, so that the probability of blockage of a filtering hole of the liquid guide pipe is reduced, the maintenance time of facilities is prolonged, and the maintenance cost is effectively reduced; the liquid level alarm assembly can automatically detect the threshold value of the liquid level, and reminds maintenance personnel of timely cleaning sewage temporarily stored in the sewage tank.
Description
Technical Field
The invention relates to the field of environmental protection, in particular to a novel rigid landfill.
Background
The existing landfill is generally provided with a flexible landfill and a rigid landfill, the flexible landfill is generally arranged in a region with good geological conditions and low groundwater level, and a double working lining is adopted as a landfill disposal facility of an impermeable layer, so that the rigid landfill is derived due to high requirements on surrounding environment.
The reinforced concrete structure is adopted as landfill disposal facilities of the impervious layer in the rigid landfill, in order to avoid sewage accumulation in the landfill pool in design, a drain pipe is generally arranged to collect sewage intensively into a sewage tank for convenient subsequent sewage treatment, a filter screen is generally arranged at a pipe orifice of the drain pipe to filter the sewage, a large amount of garbage substances are mixed in the sewage, and a large amount of gas is produced by fermenting the garbage easily after the garbage reacts with bacteria, so that a corresponding exhaust pipe is also arranged on the sewage tank for exhausting.
Because the oily sludge in the sewage is more, the condition that the structure of simple plus filter screen appears blockking up easily on the drain pipe influences the drainage demand in landfill pond, so need regularly clear up the filter screen, the maintenance process is comparatively troublesome.
Disclosure of Invention
The present invention aims to provide a new type of rigid landfill which solves the above mentioned problems in the background art.
The novel rigid landfill comprises a landfill pool, a rotating assembly, a driving device and a liquid level alarm assembly, wherein the landfill pool consists of a concrete wall and a concrete bottom plate; the bottom of the concrete bottom plate is provided with a liquid guide pipe, the liquid guide pipe sequentially penetrates through the impermeable membrane and the guide-exhaust layer and stretches into the pore layer, the peripheral wall of the upper half section of the liquid guide pipe is uniformly provided with filter holes, the bottom of the liquid guide pipe is fixedly connected with a sewage tank, and a cleaning brush is arranged in the sewage tank and below the liquid guide pipe;
a rotating component is also arranged in the sewage tank, the rotating component drives the cleaning brush to rotate when the cleaning brush ascends and descends,
the driving device is arranged in the sewage tank and drives the cleaning brush to ascend and descend by utilizing the change of air pressure in the sewage tank; the liquid level alarm assembly is used for detecting the water quantity in the sewage tank and reminding workers of timely draining water.
Preferably, the inner side of the concrete wall and the upper side of the concrete bottom plate are both paved with impermeable films, a guide layer, a protective layer, a pore layer and a protective layer are sequentially arranged above the impermeable films, the impermeable films are HDPE geomembranes, the guide layer adopts a geotechnical composite drainage net, the pore layer is paved by cobblestones and waste coal slag, and the protective layer adopts non-woven geotechnical cloth.
Preferably, the inner wall of the concrete bottom plate is inclined, the liquid guide pipe is arranged at the lowest part of the concrete bottom plate, and the bottom of the liquid guide pipe is of a conical structure with a small upper part and a large lower part.
Preferably, the rotating assembly comprises a rotating shaft, a limiting cylinder, a lifting cylinder and a support, wherein the rotating shaft is fixedly connected to the bottom of the cleaning brush, the rotating shaft is rotationally connected to the lifting cylinder, the lifting cylinder is fixedly connected to the center of the lifting frame, a spiral groove is formed in the rotating shaft, the limiting cylinder is sleeved on the outer side of the rotating shaft and is located in the lifting cylinder, balls which are in sliding connection with the spiral groove are arranged on the limiting cylinder, the limiting cylinder is fixedly connected with the support, and the support is fixedly connected with the sewage tank.
Preferably, the driving device comprises an air pressure cylinder, two air pressure cylinders are arranged and are respectively positioned at two sides of the liquid guide tube, a groove is formed in the top of each air pressure cylinder, an electromagnet is arranged in each groove, a plurality of through holes are formed in the bottom of each air pressure cylinder, a piston is connected in the air pressure cylinder in a sliding mode, a connecting rod is fixedly connected to the bottom of each piston, the connecting rod is fixedly connected with a lifting frame, an iron sheet is fixedly connected to the top of each piston, a spring is sleeved outside each groove, the spring is positioned between each piston and the inner top of each air pressure cylinder, two electricity connection columns are arranged at the bottom of each groove and used for controlling delayed disconnection after the electromagnet is electrified, and an exhaust pipe is arranged on the side wall of each air pressure cylinder and connected to exhaust gas treatment equipment.
Preferably, one of the power connection posts is connected with one contact of the time relay, the other contact of the time relay is connected with one power connection end of the electromagnet, the other power connection end of the electromagnet is connected with one end electrode of the power supply, the other end electrode of the power supply is connected with the other power connection post, after the power connection post is connected, the electromagnet is powered on, and a power-on circuit of the electromagnet is automatically disconnected after a period of time delay under the control of the time relay, so that the electromagnet is powered off.
Preferably, the liquid level alarm assembly comprises a floater, a sliding rod is arranged at the top of the floater and is in sliding connection with the sewage tank, a baffle is arranged at the top of the sliding rod, a trigger switch fixedly connected with the sewage tank is arranged above the baffle, and the trigger switch is connected with an alarm and used for controlling the alarm to alarm.
The invention has the advantages that:
by utilizing the characteristic that a large amount of gas can be generated by fermentation after the reaction of garbage substances in sewage in the sewage tank and bacteria, a driving device is designed, when the gas in the sewage tank is increased and the air pressure is increased, a piston is pushed to move upwards to drive a cleaning brush to move upwards, and the cleaning brush rotates under the action of a rotating component in the upward moving process of the cleaning brush so as to clean the inner circumferential wall of a liquid guide pipe;
when the piston moves up to the highest point, the electromagnet can temporarily fix the piston through the adsorption iron sheet, so that redundant gas in the sewage tank is discharged through the exhaust pipe, the air pressure is reduced, after the electromagnet is powered off in a delayed mode, the piston is reset and can drive the cleaning brush to move downwards, the inner wall of the liquid guide pipe is cleaned in a rotating mode again, the blocking probability of a filtering hole of the liquid guide pipe is reduced, the maintenance time of facilities is prolonged, and the maintenance cost is effectively reduced;
the liquid level alarm assembly can automatically detect the threshold value of the liquid level, and reminds maintenance personnel of timely cleaning sewage temporarily stored in the sewage tank.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of various structures at the tank;
FIG. 3 is an external schematic view of the top of the tank;
FIG. 4 is a schematic view of the structure of the cleaning brush and its bottom rotating shaft;
fig. 5 is a schematic diagram of a connection circuit between the power connection post and the electromagnet.
In the figure: 1-landfill pool, 2-rotating assembly, 21-rotating shaft, 22-limit cylinder, 23-lifting cylinder, 24-bracket, 25-lifting frame, 211-spiral groove and 231-ball;
the device comprises a 3-driving device, a 31-air pressure cylinder, a 311-groove, a 312-through hole, a 313-exhaust pipe, a 32-electromagnet, a 33-piston, a 34-connecting rod, a 35-iron sheet, a 36-spring, a 37-power connection column, a 38-time relay and a 39-power supply;
4-liquid level alarm assembly, 41-float, 42-slide bar, 43-separation blade, 44-trigger switch, 5-catheter, 51-filtration pore, 6-sewage tank, 7-cleaning brush.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 5, a novel rigid landfill comprises a landfill pool 1, a rotating assembly 2, a driving device 3 and a liquid level alarm assembly 4, wherein the landfill pool 1 is composed of a concrete wall and a concrete bottom plate; the bottom of the concrete bottom plate is provided with a liquid guide pipe 5, the liquid guide pipe 5 sequentially penetrates through the impermeable membrane and the guide-exhaust layer and stretches into the pore layer, the peripheral wall of the upper half section of the liquid guide pipe 5 is uniformly provided with a filtering hole 51, the bottom of the liquid guide pipe 5 is fixedly connected with a sewage tank 6, and a cleaning brush 7 is arranged in the sewage tank 6 and below the liquid guide pipe 5;
the driving device 3 is arranged in the sewage tank 6, and the liquid level alarm assembly 4 is used for detecting the water quantity in the sewage tank 6 and reminding workers of timely draining.
In this embodiment, still be equipped with rotary assembly 2 in the sewage case 6, rotary assembly 2 is ascending and the decline time drive cleaning brush 7 rotation of cleaning brush 7, rotary assembly 2 includes rotation axis 21, spacing section of thick bamboo 22, lift section of thick bamboo 23 and support 24, rotation axis 21 fixed connection is in the bottom of cleaning brush 7, rotation axis 21 rotates to be connected in lift section of thick bamboo 23, lift section of thick bamboo 23 fixed connection is in the center department of lift frame 25, be equipped with helical groove 211 on the rotation axis 21, spacing section of thick bamboo 22 cover is established in the outside of rotation axis 21, and be located lift section of thick bamboo 23, lift section of thick bamboo 23 can protect rotation axis 21 and spacing section of thick bamboo 22 in its inside, be equipped with on the spacing section of thick bamboo 22 with helical groove 211 sliding connection's ball 231, spacing section of thick bamboo 22 and support 24 fixed connection, support 24 and sewage case 6 fixed connection.
In the embodiment, the driving device 3 drives the cleaning brush 7 to ascend and descend by utilizing the change of the air pressure in the sewage tank 6; the driving device 3 comprises an air pressure cylinder 31, two air pressure cylinders 31 are arranged and are respectively positioned at two sides of the liquid guide tube 5, grooves 311 are formed in the tops of the air pressure cylinders 31, electromagnets 32 are arranged in the grooves 311, a plurality of through holes 312 are formed in the bottoms of the air pressure cylinders 31, pistons 33 are slidably connected in the air pressure cylinders 31, connecting rods 34 are fixedly connected to the bottoms of the pistons 33, the connecting rods 34 are fixedly connected with lifting frames 25, iron sheets 35 are fixedly connected to the tops of the pistons 33, springs 36 are sleeved outside the grooves 311 and are positioned between the pistons 33 and the inner tops of the air pressure cylinders 31, two power connection columns 37 are arranged at the bottoms of the grooves 311 and are used for controlling the electromagnets 32 to be in delayed disconnection after being electrified, exhaust pipes 313 are arranged on the side walls of the air pressure cylinders 31, and the exhaust pipes 313 are connected to exhaust gas treatment equipment.
In this embodiment, one of the power connection posts 37 is connected to one contact of the time relay 38, the other contact of the time relay 38 is connected to one power connection end of the electromagnet 32, the other power connection end of the electromagnet 32 is connected to one end electrode of the power supply 39, the other end electrode of the power supply 39 is connected to the other power connection post 37, when the power connection post 37 is turned on, the electromagnet 32 is powered on, and after a time delay under the control of the time relay 38, the on circuit of the electromagnet 32 is automatically turned off, so that the electromagnet 32 is powered off.
In this embodiment, the liquid level alarm assembly 4 includes a float 41, a sliding rod 42 is provided at the top of the float 41, the sliding rod 42 is slidably connected with the sewage tank 6, a blocking piece 43 is provided at the top of the sliding rod 42, a trigger switch 44 fixedly connected with the sewage tank 6 is provided above the blocking piece 43, and the trigger switch 44 is connected with an alarm for controlling the alarm to alarm.
In this embodiment, the inboard of concrete wall and the top of concrete bottom plate have all laid the prevention of seepage membrane, and the top of prevention of seepage membrane is equipped with drainage layer, protective layer, pore layer and protective layer in proper order, and the prevention of seepage membrane adopts HDPE geomembrane, and drainage layer adopts geotechnique's compound drainage network, and the pore layer is laid by cobblestone, waste coal slag and is formed, and the protective layer adopts nonwoven geotechnique's cloth.
In this embodiment, the inner wall of the concrete bottom plate is inclined, the liquid guide tube 5 is the lowest part of the concrete bottom plate, the permeated liquid is collected to the liquid guide tube 5 along the impermeable membrane on the concrete bottom plate, the liquid guide tube 5 is in sealing connection with the impermeable membrane, and the bottom of the liquid guide tube 5 is in a conical structure with a small upper part and a large lower part.
The working process and the principle thereof are as follows:
after the garbage is placed in the landfill pool 1, sewage in the garbage can penetrate downwards to sequentially pass through the geotechnical cloth, part of the sewage which is filtered by cobbles and some coal residues in the pore layers directly flows into the liquid guide tube 5 through the filtering holes 51 of the liquid guide tube 5, the other part of the sewage flows into the flow guide layer firstly, flows into the filtering holes 51 along the inclined concrete bottom plate under the action of the impermeable film, and finally flows into the liquid guide tube 5.
Sewage flows downwards along the inner wall of the liquid guide pipe 5, is scattered and flows into the sewage tank 6 through the conical bottom structure, and can be prevented from directly flowing onto the cleaning brush 7 as much as possible due to the conical structure, so that the accumulation of the sludge of the cleaning brush 7 is reduced.
After sewage flows into the sewage tank 6, some substances in the sewage react with bacteria over time to produce a large amount of gas, so that the air pressure inside the sewage tank 6 becomes atmospheric, and the atmospheric pressure acts on the piston 33 through the through hole 312 in the air pressure cylinder 31, so that the piston 33 moves upward, and the spring 36 is compressed.
The piston 33 drives the lifting frame 25 to lift through the connecting rod 34, the lifting frame 25 drives the lifting cylinder 23 to lift, and the lifting cylinder 23 is rotationally connected with the rotating shaft 21, so that the rotating shaft 21 can be driven to move upwards together, and the ball 231 of the limiting cylinder 22 slides in the spiral groove 211 due to the spiral groove 211 arranged on the peripheral wall of the rotating shaft 21, so that a tangential acting force along the rotating shaft 21 acts on the spiral groove 211, and the rotating shaft 21 can correspondingly rotate while lifting. Therefore, the cleaning brush 7 is rotated and lifted up at this time, so that the filter holes 51 on the inner wall of the catheter 5 can be cleaned, and clogging can be reduced.
When the piston 33 moves to the highest point, the iron sheet 35 is connected with the two power connection posts 37, the electromagnet 32 is powered, and the electromagnet 32 adsorbs the iron sheet 35, so that the piston 33 is fixed at the highest point. At this time, the exhaust pipe 313 is positioned at the bottom of the piston 33, the exhaust pipe 313 communicates with the interior of the sewage tank 6, and the surplus gas is discharged and then purified by the exhaust gas treatment device and discharged.
The time relay 38 controls the electromagnet 32 to be electrified for a certain time and then automatically turns off the electrified circuit of the electromagnet 32, so that the electromagnet 32 is powered off, the electromagnet 32 does not adsorb the iron sheet 35 any more, and the piston 33 is reset under the action of the spring 36.
The cleaning brush 7 is rotated to clean the inner wall of the catheter 5 while being lowered. When the air in the sewage tank 6 is increased, the cleaning brush 7 can repeat the above process, thereby achieving the purpose of automatically cleaning the inner wall of the liquid guide tube 5 and reducing the possibility of blocking the filtering holes 51.
When the water level in the sewage tank 6 becomes high, buoyancy acts on the floater 41, and the sliding rod 42 is jacked up, so that the baffle piece 43 at the top of the sliding rod 42 touches the trigger switch 44, an alarm is caused to give an alarm, and maintenance personnel are timely reminded to drain the sewage tank 6 and perform concentrated purification treatment on sewage.
It will be appreciated by those skilled in the art that the present invention can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.
Claims (5)
1. The novel rigid landfill is characterized by comprising a landfill pool (1), a rotating assembly (2), a driving device (3) and a liquid level alarm assembly (4), wherein the landfill pool (1) is composed of a concrete wall and a concrete bottom plate; the bottom of the concrete bottom plate is provided with a liquid guide pipe (5), the liquid guide pipe (5) sequentially penetrates through the impermeable membrane and the guide-exhaust layer and stretches into the pore layer, the peripheral wall of the upper half section of the liquid guide pipe (5) is uniformly provided with filter holes (51), the bottom of the liquid guide pipe (5) is fixedly connected with a sewage tank (6), and a cleaning brush (7) is arranged in the sewage tank (6) and below the liquid guide pipe (5);
a rotating component (2) is also arranged in the sewage tank (6), the rotating component (2) drives the cleaning brush (7) to rotate when the cleaning brush (7) ascends and descends,
the driving device (3) is arranged in the sewage tank (6), and the driving device (3) drives the cleaning brush (7) to ascend and descend by utilizing the change of air pressure in the sewage tank (6); the liquid level alarm assembly (4) is used for detecting the water quantity in the sewage tank (6) and reminding workers of timely draining water;
the rotary assembly (2) comprises a rotary shaft (21), a limiting cylinder (22), a lifting cylinder (23) and a support (24), wherein the rotary shaft (21) is fixedly connected to the bottom of the cleaning brush (7), the rotary shaft (21) is rotationally connected in the lifting cylinder (23), the lifting cylinder (23) is fixedly connected to the center of the lifting frame (25), a spiral groove (211) is formed in the rotary shaft (21), the limiting cylinder (22) is sleeved on the outer side of the rotary shaft (21) and is positioned in the lifting cylinder (23), a ball (231) which is slidably connected with the spiral groove (211) is arranged on the limiting cylinder (22), the limiting cylinder (22) is fixedly connected with the support (24), and the support (24) is fixedly connected with the sewage tank (6);
the driving device (3) comprises an air pressure cylinder (31), the air pressure cylinder (31) is provided with two air pressure cylinders, the two air pressure cylinders are respectively located at two sides of the liquid guide tube (5), a groove (311) is formed in the top of each air pressure cylinder (31), an electromagnet (32) is arranged in each groove (311), a plurality of through holes (312) are formed in the bottom of each air pressure cylinder (31), a piston (33) is connected in the air pressure cylinder (31) in a sliding mode, a connecting rod (34) is fixedly connected to the bottom of each piston (33), the connecting rod (34) is fixedly connected with the lifting frame (25), an iron sheet (35) is fixedly connected to the top of each piston (33), a spring (36) is sleeved outside each groove (311), each spring (36) is located between each piston (33) and the inner top of each air pressure cylinder (31), two power connection columns (37) are arranged at the bottom of each groove (311), each power connection column (37) is used for controlling the electromagnet (32) to be disconnected in a delayed mode, and an exhaust pipe (313) is arranged on the side wall of each air pressure cylinder (31) and is connected to exhaust gas treatment equipment.
2. The novel rigid landfill according to claim 1, wherein an impermeable film is paved on the inner side of the concrete wall and the upper side of the concrete bottom plate, a drainage guide layer, a protective layer, a pore layer and a protective layer are sequentially arranged on the impermeable film, the impermeable film is an HDPE geomembrane, the drainage guide layer is a geotechnical composite drainage net, the pore layer is paved by cobblestones and waste coal slag, and the protective layer is nonwoven geotechnical cloth.
3. The novel rigid landfill according to claim 1, wherein the inner wall of the concrete floor is inclined, the liquid guide pipe (5) is arranged at the lowest part of the concrete floor, and the bottom of the liquid guide pipe (5) is in a conical structure with a small upper part and a large lower part.
4. A new type of rigid landfill according to claim 1, wherein one of the said electrical connection poles (37) is connected with one contact of the time relay (38), the other contact of the said time relay (38) is connected with one electrical connection end of the electromagnet (32), the other electrical connection end of the said electromagnet (32) is connected with one end electrode of the power source (39), the other end electrode of the said power source (39) is connected with the other electrical connection pole (37), when the electrical connection pole (37) is turned on, the electromagnet (32) gets electricity, after a time delay under the control of the time relay (38), the on circuit of the electromagnet (32) is automatically turned off, so that the electromagnet (32) is powered off.
5. The novel rigid landfill according to claim 1, wherein the liquid level alarm assembly (4) comprises a floater (41), a sliding rod (42) is arranged at the top of the floater (41), the sliding rod (42) is slidably connected with the sewage tank (6), a blocking piece (43) is arranged at the top of the sliding rod (42), a trigger switch (44) fixedly connected with the sewage tank (6) is arranged above the blocking piece (43), and the trigger switch (44) is connected with an alarm for controlling the alarm to alarm.
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