CN112619208A - Sewage disposal system for sewage treatment tank - Google Patents
Sewage disposal system for sewage treatment tank Download PDFInfo
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- CN112619208A CN112619208A CN202011348918.7A CN202011348918A CN112619208A CN 112619208 A CN112619208 A CN 112619208A CN 202011348918 A CN202011348918 A CN 202011348918A CN 112619208 A CN112619208 A CN 112619208A
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- pipe
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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
- B01D21/003—Sedimentation tanks provided with a plurality of compartments separated by a partition wall
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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
- B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
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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
- B01D21/02—Settling tanks with single outlets for the separated liquid
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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
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2433—Discharge mechanisms for floating particles
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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
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
-
- 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
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2488—Feed or discharge mechanisms for settling tanks bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids
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- Chemical Kinetics & Catalysis (AREA)
- Removal Of Floating Material (AREA)
Abstract
The invention belongs to the technical field of sewage treatment, and aims to solve the problem that sewage precipitated at the bottom of a sewage treatment tank and floating objects on the surface of the sewage treatment tank are difficult to clean; the first isolation device is used for controlling the communication or the partition of the sewage sedimentation tank and the sewage tank; the side wall of the sewage sedimentation tank is provided with a communication device which is used for communicating with the outside during sewage discharge and a first sewage discharge device which is used for quickly pumping the sewage in the sewage sedimentation tank; the floating object cleaning device comprises a through pipe and a floating object collecting device arranged at the top of the through pipe; the floating object cleaning pool is used for collecting floating objects on the surface of the pool; the floating object cleaning pool comprises a second pollution discharge device which is communicated with the floating object cleaning pool through a second closing structure and used for rapidly extracting the collected floating objects when the second opening and closing structure is opened, and a water circulation device which is communicated with the second closing structure through a third closing structure, wherein the second closing structure and the third closing structure are selected to be opened.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage disposal system for a sewage treatment tank.
Background
With the promotion of the novel urbanization of China and the adjustment of industrial structures, a large number of small towns with economic development areas and industrial parks are formed, and the matched treatment of domestic sewage of the small towns is more and more important. After sewage treatment plant handled the completion to sewage, the bottom of cistern all can be accumulated and have a large amount of silt, in order to clear up these silt to guarantee the normal use in cistern later stage, can use a silt cleaning device here.
At present, most of sewage in a water storage tank of a sewage treatment plant is sludge generated by standing, the sludge is uniformly distributed at the bottom of the water storage tank, and if the sewage is not cleaned in time, the whole sewage treatment cannot reach the specified index. When sludge in a water storage tank is cleaned in a sewage treatment plant, the traditional sludge treatment mode is that after sewage is emptied, a single sludge pumping pump is arranged to pump out all the sludge, but the sludge pumping device is complex in structure and large in workload, or the sludge is manually shoveled and then packaged and transported away, so that manpower is wasted, the work is complicated, and the cleaning effect is poor; simultaneously, the clearance to bottom of the pool sediment filth and pond face floater adopts different devices to clear up usually in the sewage treatment pond, causes the difficult clearance of filth in the sewage treatment pond, and the clearance degree of difficulty is big, and the cost of labor is high.
Disclosure of Invention
In order to solve the problems, namely solving the problem that the settled sewage at the bottom of the sewage treatment tank and the floating objects on the surface of the sewage treatment tank are difficult to clean, the invention provides a sewage treatment tank cleaning system, which comprises a sewage tank, a first isolating device, a sewage settling tank, a floating object cleaning device and a floating object cleaning tank; the sewage tank is used for containing sewage to be treated; the first isolation device is arranged between the sewage sedimentation tank and the sewage tank and is used for controlling the communication or the partition of the sewage sedimentation tank and the sewage tank;
the sewage sedimentation tank is arranged below the sewage tank and is used for accommodating settled sewage; the dirt settling tank comprises a first cleaning tank with a hollow cavity; a communicating device and a first sewage discharging device are arranged on the side wall of the first cleaning tank body, and the communicating device is used for communicating with the outside during sewage discharging; the first sewage discharge device is connected with the first cleaning pool through a first closing structure, and the first sewage discharge device can quickly extract the sewage in the first cleaning pool when the first closing structure is opened;
the floating object cleaning device comprises a through pipe and a floating object collecting device, the top of the through pipe is lower than the water surface of the sewage pool, and the through pipe penetrates through the sewage sedimentation tank and is communicated with the floating object cleaning pool; the floating object collecting device is arranged at the top of the through pipe and used for gathering the floating objects to a pipe orifice at the top of the through pipe; the floating object cleaning pool is arranged below the sewage sedimentation pool and is used for collecting floating objects on the pool surface; a second sewage draining device and a water circulating device are arranged on the side wall of the floating object cleaning pool and are respectively connected with the floating object cleaning pool through a second closed structure and a third closed structure, and the second closed structure and the third closed structure are selected to be opened at the same time; the water circulation device is used for controlling the circulation of water in the pool to collect floating objects; the second pollution discharge device can rapidly extract the mixture of the floating objects and the water in the floating object cleaning pool when the second opening and closing structure is opened.
In some preferred embodiments, the floe cleaning tank comprises a second cleaning tank having a hollow chamber and a third cleaning tank disposed below the second cleaning tank and between the third cleaning tank and the first cleaning tank;
the second sewage draining device is arranged on the side wall of the second cleaning pool; the water circulating device is arranged on the side wall of the third cleaning pond and comprises a water pump and a water conveying pipeline, and an output port of the water conveying pipeline is arranged at the upper part of the sewage pond;
and a filtering layer structure is arranged on the upper side of the third closed structure and is used for filtering the collected floating objects on the pool surface.
In some preferred embodiments, the second sewage device comprises a third section of pipeline and a fourth section of pipeline, the third section of pipeline is arranged at one end of the fourth section of pipeline far away from the second cleaning pool, and the inner diameter of the fourth section of pipeline is larger than that of the third section of pipeline; a second vacuum device is arranged at one end, far away from the second cleaning pool, of the third section of pipeline;
the third section of pipeline is also provided with a second one-way valve assembly with pretightening force, and the second one-way valve assembly is used for closing an outlet of the third section of pipeline when the second vacuum device acts and can be opened in one direction under the action of the impulsive force of the floating objects discharged out of the third section of pipeline;
the second vacuum device comprises a second vacuum pump and a second driving pump, and the second vacuum pump is used for quickly discharging the floating objects collected in the second cleaning pool; the second driving pump is used for conveying the quickly discharged floating objects to the outside through the communicating pipeline.
In some preferred embodiments, the flotage collecting device comprises one or more collecting arms, and the collecting arms are of arc structures and can rotate along the direction of the arc notches under the driving of the rotating driving device.
In some preferred embodiments, one end of the collecting arm, which is far away from the through pipe, is connected with the inner wall of the sewage pool in a pressing sliding fit mode.
In some preferred embodiments, the first isolation device comprises a first isolation structure, a second isolation structure and an isolation power device, and the first isolation structure and the second isolation structure can be relatively moved and closed to form an isolation layer under the driving of the isolation power device, so that the sewage sedimentation tank is isolated from the sewage tank.
In some preferred embodiments, the wastewater tank comprises a tank body with a hollow cavity, and the tank body is used for containing wastewater to be treated;
the cell body includes first lateral wall, second lateral wall, first lateral wall the second lateral wall is the structure of falling the round platform, just the internal diameter of first lateral wall is greater than the internal diameter of second lateral wall.
In some preferred embodiments, the first sewage disposal device comprises a first section of pipe and a second section of pipe, the second section of pipe is arranged at one end of the first section of pipe far away from the first cleaning tank, and the inner diameter of the second section of pipe is larger than that of the first section of pipe;
the second section of pipeline is also provided with a first one-way valve assembly with pretightening force, and the first one-way valve assembly is used for closing an outlet of the first section of pipeline when the first vacuum device is applied, and can be opened in one direction under the action of sludge impulsive force for discharging sludge out of the first section of pipeline;
a first vacuum device is arranged at one end, far away from the first cleaning pool, of the first section of pipeline; the first vacuum device comprises a first vacuum pump and a first driving pump, and the first vacuum pump is used for quickly discharging the dirt precipitated in the first cleaning pool; the first driving pump is used for conveying the quickly discharged dirt to the outside through the communication pipeline.
In some preferred embodiments, the dirt sedimentation tank is further provided with a dirt level monitoring device for detecting the level of accumulated dirt.
In some preferred embodiments, the system further comprises a control device configured to: an instruction to activate the isolating device to isolate the filth settling tank from the wastewater tank may be issued based on the information detected by the filth height monitoring device; starting the communication device to communicate the first cleaning pool with the outside atmosphere; starting the first closing structure and a first vacuum device to quickly discharge accumulated dirt in the first cleaning pool; and/or the presence of a gas in the gas,
the control device is configured to: the floating object collecting device can be started to collect the floating objects on the surface of the sewage pool based on the floating object information detected by the pool surface floating object monitoring device, and the third closing structure and the water circulating device are started to circulate the water in the sewage pool; and based on the amount of the floating objects collected in the second cleaning pool, a third closing structure can be triggered to be closed, and the second closing structure and the second pollution discharge device are opened so as to quickly discharge the floating objects collected in the floating object cleaning pool.
The invention has the beneficial effects that:
1) the sewage pool, the sewage sedimentation pool and the floating object cleaning pool are arranged, so that sludge at the bottom of the pool, precipitated foreign matters and floating objects on the surface of the pool can be collected and cleaned, the floating object collecting device arranged at the top of the floating object cleaning device can collect floating objects on the surface of the pool, and the collected floating objects can be transmitted to the floating object cleaning pool below the sewage pool through the sewage sedimentation pool and a through pipe communicated with the floating object cleaning pool, so that the purification treatment of water in the sewage pool is not influenced, and the regular or irregular customized cleaning of the floating objects on the surface of the pool can be realized; meanwhile, the sewage treatment system is simple in structure and operation, and realizes high-efficiency sewage treatment.
2) According to the invention, the floating objects on the surface of the sewage tank can be gathered and collected through the floating object cleaning device, the top of the through pipe is arranged lower than the water surface of the sewage tank, the water in the sewage tank flows downwards from the side wall of the through pipe to the third cleaning tank through the second cleaning tank through the height difference between the tank surface and the through pipe, the floating objects on the surface of the sewage tank which flow downwards are collected into the second cleaning tank through the arrangement of the filter layer between the second cleaning tank and the third cleaning tank, the water which does not contain the floating objects is collected into the third cleaning tank, and the water in the third cleaning tank is pumped back into the sewage tank through the water circulating device according to the amount of the water stored in the third cleaning tank, so that the waste of the water in the sewage system is reduced; in the invention, the floating object cleaning device and the water circulating device can always run, and the water pumping amount of the water circulating device is less than the water amount flowing down from the through pipe in the floating object cleaning device, so that the continuous rotation of the floating object cleaning device on the surface of the sewage pool can be realized, the continuous gathering and collection of floating objects on the surface of the pool with low energy consumption can be carried out, and the water quality of water to be treated in the sewage pool can be ensured.
3) The sewage disposal system provided by the invention can flexibly set the use frequency of the first sewage disposal device and the second sewage disposal device according to the conditions of sewage deposition at the bottom of the tank and floating objects on the surface of the tank, and can also regularly set the cleaning frequency, thereby realizing the intelligent control of the sewage disposal and sewage disposal system; the tank surface cleaning and the tank bottom cleaning can be carried out simultaneously, and the corresponding device can be flexibly started according to the condition to be treated.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic cross-sectional view of an embodiment of a sewage treatment tank decontamination system of the present invention;
FIG. 2 is a schematic top view of the first isolation device of FIG. 1;
fig. 3 is a schematic top view of the flotage cleaning device in fig. 1.
Description of reference numerals:
100. a sewage tank;
200. a first isolation device 210, a first isolation structure 220, a second isolation structure;
310. a first cleaning tank; 321. a first section of pipe, 322, a second section of pipe, 323, a first one-way valve assembly; 330. a first closed configuration; 341. a gate valve 342 communicating with the pipeline;
400. a second isolation device;
510. a float cleaning device; 511. a through pipe 512 and a floating object collecting device; 520. a second cleaning tank; 530. a third cleaning pool; 541. a third section of pipeline 542, a fourth section of pipeline 543 and a second one-way valve assembly; 550. a water circulation device; 560. a second closed configuration; 570. a third closed configuration; 580. a filter layer structure.
Detailed Description
In order to make the embodiments, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The invention provides a sewage disposal system for a sewage treatment tank, which comprises the sewage tank, a first isolating device, a sewage sedimentation tank, a floating object cleaning device and a floating object cleaning tank, wherein the sewage sedimentation tank is arranged in the sewage treatment tank; the sewage tank comprises a tank body with an inverted conical cavity, and the tank body is used for containing sewage to be treated; the first isolation device is arranged between the sewage sedimentation tank and the sewage tank and is used for controlling the communication or the partition of the sewage sedimentation tank and the sewage tank; the sewage sedimentation tank is arranged below the sewage tank and used for containing settled sewage; the dirt settling tank comprises a first cleaning tank with a hollow cavity; the side wall of the first cleaning tank body is provided with a communicating device and a first sewage discharging device, the communicating device is communicated with the outside during sewage discharging, the air pressure in the first cleaning tank body is ensured to be consistent with the atmospheric pressure during cleaning of settled sewage at the bottom of the first cleaning tank body after the first cleaning tank body is isolated from the sewage tank, and back suction is prevented; the first sewage discharge device is connected with the first cleaning pool through a first closing structure, a first vacuum device is arranged at one end, far away from the first cleaning pool, of the first sewage discharge device, and the first vacuum device is used for quickly extracting sewage in the first cleaning pool when the first closing structure is opened; the floating object cleaning device comprises a through pipe and a floating object collecting device, the top of the through pipe is arranged lower than the water surface of the sewage pool, and the through pipe penetrates through the sewage sedimentation tank and is communicated with the floating object cleaning pool; the floating object collecting device is arranged at the top of the through pipe and comprises a rotary driving device and one or more collecting arms, the collecting arms are of arc structures and can rotate along the direction of the arc notches under the driving of the rotary driving device so as to gather up the floating objects to the pipe orifice at the top of the through pipe; the floating object cleaning pool is arranged below the sewage sedimentation pool, is isolated from the sewage sedimentation pool and is used for collecting floating objects on the surface of the pool; a second sewage draining device and a water circulating device are arranged on the side wall of the floating object cleaning pool and are respectively connected with the floating object cleaning pool through a second closed structure and a third closed structure, and the second closed structure and the third closed structure are selected to be opened at the same time; the water circulation device is used for controlling the circulation of water in the pool to collect floating objects; the second sewage discharging device can rapidly extract the mixture of the floating objects and the water in the floating object cleaning pool when the second opening and closing structure is opened; a second vacuum device is arranged at one end, far away from the second cleaning pool, of the second sewage discharge device and is used for quickly extracting floating objects collected in the second cleaning pool when the second closing structure is opened; when the floating objects are gathered and collected, the third closing structure is opened and the second closing structure is closed, the floating objects are gathered and collected through the mechanical arm rotating on the surface of the pool, and meanwhile, the water falling into the third cleaning pool can be circularly drawn back through the water circulating device; when the floater that needs to collect is cleared up, close the third closure structure and open the second closure structure, carry out the quick extraction of the floater of collection in the second cleaning pool through second waste fitting discharging.
The invention is further described with reference to the following detailed description of embodiments with reference to the accompanying drawings.
Referring to fig. 1, there is shown a schematic sectional view of an embodiment of a sewage treatment tank cleaning system according to the present invention, which includes a sewage tank 100, a first isolating device 200, a sewage settling tank, a floating object cleaning device 510, and a floating object cleaning tank; wherein, the sewage tank 100 is used for containing sewage to be treated; the first isolation device 200 is arranged between the sewage sedimentation tank and the sewage tank 100 and used for controlling the communication or the partition of the sewage sedimentation tank and the sewage tank, and a through hole for the floating object cleaning device 510 to penetrate is formed in the first isolation device; the sewage sedimentation tank is arranged below the sewage tank and used for containing settled sewage; the sewage sedimentation tank comprises a first cleaning tank 310 with a hollow cavity, and a communication device and a first sewage discharge device are arranged on the side wall of the first cleaning tank body and are used for communicating with the outside during sewage discharge; the first waste device is connected with the first cleaning tank 310 through the first closing structure 330, and the first waste device can rapidly extract waste in the first cleaning tank when the first closing structure is opened.
Further, the first sewage draining device comprises a first section of pipeline 321 and a second section of pipeline 322, the second section of pipeline 322 is arranged at one end of the first section of pipeline 321 far away from the first cleaning tank 310, and the inner diameter of the second section of pipeline is larger than that of the first section of pipeline; a first vacuum device (not shown in the figure) is arranged at one end of the first section of pipeline, which is far away from the first cleaning pool; the second section of pipeline is also provided with a first one-way valve assembly 323 with pretightening force, which is used for closing the outlet of the first section of pipeline when the first vacuum device is applied, and can be opened in one direction under the action of the sludge impulsive force of the sludge discharged from the first section of pipeline; the first vacuum device comprises a first vacuum pump and a first driving pump, and the first vacuum pump is used for quickly discharging dirt precipitated in the first cleaning pool; the first driving pump is used for conveying the quickly discharged dirt to the outside through the communication pipeline.
Further, the drain among the first sewage discharging device sets up in the region that first cleaning tank is close to the bottom, arranges the bottom of silt mouth and the bottom of pool parallel arrangement in first cleaning tank or is less than the bottom of pool setting, guarantees that the sediment filth in first cleaning tank is all extracted as far as possible, further improves other filth cleaning efficiency such as silt.
Further, the communication channel comprises a communication port arranged on the side wall of the first cleaning pool 310, a gate valve 341 and a communication pipeline 342, the gate valve is arranged at the communication port, and the gate valve can control the opening and closing of the communication channel under the driving of a gate valve power device; when setting up the first isolating device between effluent water sump and the first clearance pond and being in the closure state, first clearance pond is in the enclosed environment, open first closure 330 this moment, carry out the extraction of silt and other sediment foreign matters in the first clearance pond through the first vacuum apparatus who sets up in first waste device, open gate valve 341 simultaneously, communicate first clearance pond 310 and outside through intercommunication pipeline 342, when guaranteeing to utilize the pressure differential in first clearance pond and the transfer passage in to deposit the filth and draw fast through first vacuum apparatus, through the gate valve, the setting of intercommunication pipeline, guarantee that silt does not pumpback.
Further, the communication channel is arranged close to the inner wall of the first isolation device 200, that is, the communication port is preferably arranged at a position close to the top of the first cleaning tank, so that the sludge in the sludge tank body in the closed environment after the first isolation device is closed is ensured not to flow out of the communication pipeline but to be discharged through the first sewage discharge device; one end of the communicating channel, which is far away from the first cleaning pool, is higher than the surface of the sewage pool.
The floating object cleaning device 510 comprises a through pipe and a floating object collecting device, the top of the through pipe is arranged at a height lower than the water surface of the sewage pool, and the through pipe passes through the first cleaning pool 310 and is communicated with the floating object cleaning pool; the floating object collecting device is arranged at the top of the through pipe and used for gathering the floating objects to the pipe orifice at the top of the through pipe; the floating object cleaning pool is arranged below the sewage sedimentation pool and is used for collecting floating objects on the pool surface.
The floater cleaning pool comprises a second cleaning pool 520 and a third cleaning pool 530 which are provided with hollow cavities, the third cleaning pool is arranged below the second cleaning pool, the second cleaning pool is arranged between the third cleaning pool and the first cleaning pool, the second cleaning pool and the first cleaning pool are isolated and arranged through a second isolation device 400, so that deposited pollutants in the first cleaning pool are prevented from falling into the floater cleaning pool, and the parallel independent arrangement of the deposited pollutants at the bottom of the pool and floaters on the surface of the pool is realized.
Further, a second waste fitting is disposed on a side wall of the second cleaning tank 520, and the second waste fitting is connected with the second cleaning tank through a second closing structure 560; the second cleaning tank 520 is connected with the third cleaning tank 530 through a third closing structure 570, and a filter layer structure 580 is further arranged on the upper side of the third closing structure 570 for filtering and collecting the falling floating objects, at the same time, the second closure structure 560 and the third closure structure 570 are alternatively opened, namely when the third closing structure is opened and the second closing structure is closed, the floating objects on the surface of the pool are gathered by the floating object cleaning device rotating under the driving of the rotating collecting device, the mixture of the floating objects and water enters the second cleaning pool through the through pipe communicated with the second cleaning pool, floating objects are collected through the filter layer structures arranged in the second cleaning pool and the third cleaning pool, water which does not contain the floating objects after being filtered enters the third cleaning pool, the water in the third cleaning pool is circularly pumped into the sewage pool through the water circulating device, so that water resources are not wasted in the process of collecting floating objects on the pool surface; when the second closing structure is opened and the third closing structure is closed, the second sewage discharging device is used for quickly extracting the collected floating objects in the second cleaning pool.
Further, water circle device 550 sets up in third cleaning tank 530 lateral wall for carry out the circulation extraction of third cleaning tank internal water, perhaps realize gathering together fast that pond face floater was collected through water circle device, carry out the pond face floater through water circle device's suction of drawing water and fall down with the water mixture fast, carry out the filtration collection of floater through the filter layer structure that sets up in second cleaning tank and the third cleaning tank, extract to the effluent water sump through the circulation of the water that does not contain the floater in, accelerate the clearance rate of pond face floater.
Furthermore, the water circulation device comprises a water pump and a water delivery pipeline, and an output port of the water delivery pipeline is arranged at the upper part of the sewage pool so as to ensure that the water circulation device can pump water to accelerate the quick falling of the mixture of the floating objects and the water on the pool surface.
Further, the second pollution discharge device comprises a third section of pipeline 541 and a fourth section of pipeline 542, the third section of pipeline is arranged at one end of the fourth section of pipeline far away from the second cleaning pool, and the inner diameter of the fourth section of pipeline is larger than that of the third section of pipeline; a second vacuum device is arranged at one end of the third section of pipeline, which is far away from the second cleaning pool; the third section of pipeline is also provided with a second one-way valve assembly 543 with pretightening force, which is used for closing an outlet of the third section of pipeline when the second vacuum device acts on the third section of pipeline and can be opened in one direction under the action of impulsive force of the floating objects discharged out of the third section of pipeline; the second vacuum device comprises a second vacuum pump and a second driving pump, and the second vacuum pump is used for quickly discharging the floating objects collected in the second cleaning pool; the second driving pump is used for conveying the floating objects which are quickly discharged to the outside through the communicating pipeline.
Further, the sewage tank comprises a tank body with a hollow cavity, and the tank body is used for accommodating sewage to be treated; the cell body includes first lateral wall, second lateral wall, and first lateral wall, second lateral wall are the round platform structure of falling, and the internal diameter of first lateral wall is greater than the internal diameter of second lateral wall, and the structure of effluent water sump can be the back taper structure that the multilayer round platform is constituteed promptly, and different inclination's lateral wall sets up, can guarantee the sewage volume that the effluent water sump holds, can improve the sedimentation efficiency of depositing filth especially silt in the sewage through the lateral wall that the slope set up again.
Furthermore, the sewage sedimentation tank (namely the first cleaning tank) is also provided with a sewage height monitoring device for detecting the height of accumulated sewage, and the accumulated height and the accumulated speed of the deposited sewage in the first cleaning tank are monitored by the sewage height monitoring device to determine the use frequency of the cleaning system, so that the quick cleaning of the sewage at the bottom of the tank can be ensured, the energy can be saved, the waste of redundant energy is avoided, the effective cleaning of the sewage at the bottom of the tank is realized, and the intelligent control of the sludge cleaning system is further improved; or the invention can be set at regular time, and the interval time for cleaning the sludge is set according to the proportion of the sludge or other precipitated dirt in the sewage to be treated, thereby ensuring the quick and convenient cleaning of the sludge in the sewage tank, and improving the sewage treatment efficiency and the cyclic utilization rate of the sewage tank system.
Furthermore, the lower end of the through pipe can be provided with a filter screen, and the filter screen can be driven by a filter screen power device to open and close the lower end of the through pipe so as to realize the bearing collection and the discharge of floating objects; under the working state of floating object collection, the through pipe drives the floating object collection device to rotate under the drive of the rotary power device, the third closed structure is opened, the second closed structure is closed, and the water conveying pipeline is driven by the water pump to suck and circulate sewage containing floating objects on the surface of the sewage pool from the third cleaning pool so as to realize the adsorption and sinking of the floating objects on the surface of the sewage pool through the through pipe; under the floater discharge state, the lower end of the through pipe is opened by the filter screen under the drive of the filter screen power device, the second closing structure is opened, the third closing structure is closed, and the second sewage discharge device collects the floaters and discharges the floaters quickly under the action of the second vacuum device.
Furthermore, the first closing structure and the second closing structure are both isolation valves and are used for being matched with corresponding vacuum devices to open corresponding cleaning pools at corresponding moments, so that the extraction rate and efficiency of the corresponding vacuum devices are ensured, and the first closing structure arranged in the first sewage discharge device can be matched with the first vacuum devices to realize the quick extraction of sludge (or other precipitated foreign matters) containing a small amount of water, so that the waste of doped water during sludge extraction can be reduced, and the extraction of the precipitated foreign matters can be ensured; the second closing structure arranged in the second sewage discharge device is matched with the second vacuum device, so that the quick extraction of a small amount of water and floating object mixture can be realized.
Further, referring to fig. 2, there is shown a schematic top view of the first isolation device in fig. 1, the first isolation device includes a first isolation structure 210, a second isolation structure 220 and an isolation power device, the first isolation structure and the second isolation structure can move relatively to each other to close to form an isolation layer under the drive of the isolation power device, and isolate the sewage sedimentation tank from the sewage tank, or move back and forth under the drive of the isolation power device to form communication between the sewage tank and the first cleaning tank; in this embodiment, the cylindrical arrangement of the first isolation structure and the semicircular arrangement of the first isolation structure and the second isolation structure ensure the closing effect of the sewage tank and the first cleaning tank in the process isolation state.
Furthermore, a first clamping part is arranged at one end of the first isolation structure, which is far away from the side wall of the first cleaning pool, a second clamping part is arranged at one end of the second isolation structure, which is far away from the side wall of the first cleaning pool, and the first clamping part and the second clamping part are oppositely arranged; through the setting of first block portion and second block portion, further improve first isolation structure, the butt joint precision of second isolation structure under the drive of isolation power device to and water proof effect.
In a sewage containing and standing state, the first isolation structure and the second isolation structure are driven by the isolation power device to contract into the containing device at the lower part of the sewage pool, the communication port of the communication channel and the sewage discharge port of the first sewage discharge device are both in a closed state, and the sewage pool with an inverted cone further improves the sewage to sink into the sludge pool body, wherein the sewage pool body is provided with an angle in a cutting way and side walls in multiple layers and multiple angles, so long as the sludge can sink into the sludge pool body as far as possible; the volume setting of the sludge tank body is not limited to the sizes exemplified in the present embodiment.
Further, the second isolation device is in structural arrangement with the first isolation device.
Referring to fig. 3, the diagram is a schematic top view of the floating object cleaning device in fig. 1, the floating object cleaning device includes a through pipe 511 and a floating object collecting device 512, the top of the through pipe is lower than the height of the water surface of the wastewater tank, the floating object collecting device 512 includes a rotary driving device and one or more collecting arms, one end of the collecting arm far away from the through pipe is connected with the inner wall of the wastewater tank in a pressing, sliding and matching manner, the collecting arm is of an arc structure and can rotate along the direction of an arc notch under the driving of the rotary driving device, that is, the collecting arm rotates clockwise in the embodiment, and the collecting efficiency of the floating objects on the surface of the wastewater tank is further improved.
Further, the system also includes a control device configured to: an instruction for starting the isolation device can be sent based on the information detected by the sewage height monitoring device so as to isolate the sewage sedimentation tank from the sewage tank; starting a communication device to communicate the first cleaning pool with the outside atmosphere; starting the first closing structure and the first vacuum device to quickly discharge accumulated dirt in the first cleaning pool; and/or the control device is configured to: the floating object collecting device can be started to collect the floating objects on the surface of the sewage pool based on the floating object information detected by the pool surface floating object monitoring device, and the third closing structure and the water circulating device are started to circulate the water in the sewage pool; based on the amount of the floating objects collected in the second cleaning pool, the third closing structure can be triggered to close, and the second closing structure and the second pollution discharge device are opened to quickly discharge the floating objects collected in the floating object cleaning pool.
Furthermore, the sewage treatment device also comprises a stirring device arranged on the side wall of the sewage pool, and the stirring device is used for stirring sewage to be kept stand or treated in the sewage pool, so that the rapid sedimentation of foreign matters such as sludge is accelerated.
Furthermore, the stirring device comprises a plurality of driving circulation structures, the driving circulation structures are obliquely arranged on the second side wall of the sewage pool, and the driving circulation structures can realize the circulating flow of water flow under the driving of the corresponding power device, so that the separation of sludge and water is accelerated.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. A sewage disposal system for a sewage treatment tank is characterized by comprising the sewage treatment tank, a first isolation device, a sewage sedimentation tank, a floating object cleaning device and a floating object cleaning tank; the sewage tank is used for containing sewage to be treated; the first isolation device is arranged between the sewage sedimentation tank and the sewage tank and is used for controlling the communication or the partition of the sewage sedimentation tank and the sewage tank;
the sewage sedimentation tank is arranged below the sewage tank and is used for accommodating settled sewage; the dirt settling tank comprises a first cleaning tank with a hollow cavity; a communicating device and a first sewage discharging device are arranged on the side wall of the first cleaning tank body, and the communicating device is used for communicating with the outside during sewage discharging; the first sewage discharge device is connected with the first cleaning pool through a first closing structure, and the first sewage discharge device can quickly extract the sewage in the first cleaning pool when the first closing structure is opened;
the floating object cleaning device comprises a through pipe and a floating object collecting device, the top of the through pipe is lower than the water surface of the sewage pool, and the through pipe penetrates through the sewage sedimentation tank and is communicated with the floating object cleaning pool; the floating object collecting device is arranged at the top of the through pipe and used for gathering the floating objects to a pipe orifice at the top of the through pipe; the floating object cleaning pool is arranged below the sewage sedimentation pool and is used for collecting floating objects on the pool surface; a second sewage draining device and a water circulating device are arranged on the side wall of the floating object cleaning pool and are respectively connected with the floating object cleaning pool through a second closed structure and a third closed structure, and the second closed structure and the third closed structure are selected to be opened at the same time; the water circulation device is used for controlling the circulation of water in the pool to collect floating objects; the second pollution discharge device can rapidly extract the mixture of the floating objects and the water in the floating object cleaning pool when the second opening and closing structure is opened.
2. The sewage treatment tank decontamination system of claim 1, wherein the float cleaning tank comprises a second cleaning tank and a third cleaning tank having a hollow chamber, the third cleaning tank being disposed below the second cleaning tank and the second cleaning tank being disposed between the third cleaning tank and the first cleaning tank;
the second sewage draining device is arranged on the side wall of the second cleaning pool; the water circulating device is arranged on the side wall of the third cleaning pond and comprises a water pump and a water conveying pipeline, and an output port of the water conveying pipeline is arranged at the upper part of the sewage pond;
and a filtering layer structure is arranged on the upper side of the third closed structure and is used for filtering the collected floating objects on the pool surface.
3. The sewage treatment pond decontamination system according to claim 2, wherein the second sewage device comprises a third section of pipe and a fourth section of pipe, the third section of pipe is arranged at one end of the fourth section of pipe, which is far away from the second cleaning pond, and the inner diameter of the fourth section of pipe is larger than that of the third section of pipe; a second vacuum device is arranged at one end, far away from the second cleaning pool, of the third section of pipeline;
the third section of pipeline is also provided with a second one-way valve assembly with pretightening force, and the second one-way valve assembly is used for closing an outlet of the third section of pipeline when the second vacuum device acts and can be opened in one direction under the action of the impulsive force of the floating objects discharged out of the third section of pipeline;
the second vacuum device comprises a second vacuum pump and a second driving pump, and the second vacuum pump is used for quickly discharging the floating objects collected in the second cleaning pool; the second driving pump is used for conveying the quickly discharged floating objects to the outside through the communicating pipeline.
4. The sewage treatment pond decontamination system of claim 1, wherein the flotage collection device comprises one or more collection arms, and the collection arms are of an arc-shaped structure and can rotate along the direction of the arc-shaped notch under the driving of the rotary driving device.
5. The sewage treatment pond decontamination system of claim 4, wherein an end of the collection arm remote from the through pipe is connected with the inner wall of the sewage pond in a pressing sliding fit manner.
6. The sewage treatment tank cleaning system according to claim 1, wherein the first isolation device comprises a first isolation structure, a second isolation structure and an isolation power device, and the first isolation structure and the second isolation structure can be moved relatively to form an isolation layer under the driving of the isolation power device to isolate the sewage sedimentation tank from the sewage tank.
7. The sewage treatment tank decontamination system of claim 1, wherein the sewage tank comprises a tank body having a hollow chamber for containing sewage to be treated;
the cell body includes first lateral wall, second lateral wall, first lateral wall the second lateral wall is the structure of falling the round platform, just the internal diameter of first lateral wall is greater than the internal diameter of second lateral wall.
8. The sewage treatment tank decontamination system of claim 1, wherein the first decontamination device comprises a first section of pipe and a second section of pipe, the second section of pipe is disposed at an end of the first section of pipe remote from the first decontamination tank, and an inner diameter of the second section of pipe is greater than an inner diameter of the first section of pipe;
the second section of pipeline is also provided with a first one-way valve assembly with pretightening force, and the first one-way valve assembly is used for closing an outlet of the first section of pipeline when the first vacuum device is applied, and can be opened in one direction under the action of sludge impulsive force for discharging sludge out of the first section of pipeline;
a first vacuum device is arranged at one end, far away from the first cleaning pool, of the first section of pipeline; the first vacuum device comprises a first vacuum pump and a first driving pump, and the first vacuum pump is used for quickly discharging the dirt precipitated in the first cleaning pool; the first driving pump is used for conveying the quickly discharged dirt to the outside through the communication pipeline.
9. The sewage treatment tank decontamination system of claim 1, wherein. The sewage sedimentation tank is also provided with a sewage height monitoring device for detecting the height of accumulated sewage.
10. The sewage treatment tank decontamination system of any one of claims 1-9, further comprising a control device configured to: an instruction to activate the first isolation device may be issued based on information detected by the sewage level monitoring device to isolate the sewage sedimentation tank from the sewage tank; starting the communication device to communicate the first cleaning pool with the outside atmosphere; starting the first closing structure and a first vacuum device to quickly discharge accumulated dirt in the first cleaning pool; and/or the presence of a gas in the gas,
the control device is configured to: the floating object collecting device can be started to collect the floating objects on the surface of the sewage pool based on the floating object information detected by the pool surface floating object monitoring device, and the third closing structure and the water circulating device are started to circulate the water in the sewage pool; based on the floating object amount collected in the second cleaning pool, the third closing structure can be triggered to close, and the second closing structure and the second pollution discharge device are opened so as to quickly discharge the floating objects collected in the floating object cleaning pool.
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| CN202011348918.7A CN112619208A (en) | 2020-11-26 | 2020-11-26 | Sewage disposal system for sewage treatment tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011348918.7A CN112619208A (en) | 2020-11-26 | 2020-11-26 | Sewage disposal system for sewage treatment tank |
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| CN112619208A true CN112619208A (en) | 2021-04-09 |
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