CN114768380B - Sewage and garbage interception device for external drainage - Google Patents
Sewage and garbage interception device for external drainage Download PDFInfo
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- CN114768380B CN114768380B CN202210285419.0A CN202210285419A CN114768380B CN 114768380 B CN114768380 B CN 114768380B CN 202210285419 A CN202210285419 A CN 202210285419A CN 114768380 B CN114768380 B CN 114768380B
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D36/04—Combinations of filters with settling tanks
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Abstract
The invention relates to an interception device for sewage and garbage discharged outside. Comprises a sewage disposal ditch, a main filter screen, a garbage buffer pool, a folding plate mechanism, an opening plate mechanism, a secondary filter screen and the like. Continuous blowdown in the blowdown irrigation canals and ditches to through the main filter screen interception of slope setting, owing to the setting of folding plate mechanism and main filter screen of slope, make rubbish pile up towards right side corner, the difficult jam in left side. When the main filter screen is blocked for a certain time or the main filter screen is used, the folding plate mechanism and the opening and closing plate mechanism are opened, the first channel and the second channel which are communicated with the garbage buffer pool are driven to be opened, the wide plate seals the channel at the front end of the main filter screen, the water flow reversely impacts the main filter screen to flush down garbage after the main filter screen, under the guidance, the throttling and the pressure increasing of the inverted V-shaped folding plate mechanism, sewage impacts the piled garbage rightward at a high speed in an inclined manner and flushes the piled garbage into the garbage buffer pool, the settled garbage is settled in the garbage buffer pool due to the slow water flow and the increased space, and the floaters are filtered by the auxiliary filter screen. The garbage is very convenient to clean.
Description
Technical Field
The invention relates to an interception device for sewage and garbage discharged outside.
Background
When sewage containing various solid wastes is discharged, the wastes therein are required to be intercepted and treated, and the sewage is generally filtered by arranging a filter screen on a sewage disposal channel, however, the solid wastes in the sewage not only comprise solid particles, but also comprise foam, plastic bags and other wastes which are very easy to cause the filter screen to be blocked, after the filter screen is blocked, the sewage continuously flows to impact the filter screen, so that the garbage blocked on the filter screen is very difficult to clean, and frequent manual cleaning is very tedious and troublesome. If the method of stopping the sewage discharge for cleaning is adopted, the sewage discharge efficiency is too low, and sewage cannot be discharged in a discontinuous manner in some scenes, so that the method has difficulty in intercepting and cleaning garbage.
Disclosure of Invention
The invention aims to provide an external sewage and garbage interception device which is used for solving the technical problems that a filter screen is easy to block, garbage is difficult to clean from the filter screen under the impact of sewage and the garbage is frequently cleaned and inconvenient.
The technical scheme of the invention is as follows:
an external sewage and garbage interception device comprises:
the cross section of the sewage disposal ditch is rectangular and comprises a bottom wall, a left side wall and a right side wall;
the main filter screen is arranged in the sewage disposal ditch and is perpendicular to the bottom wall, and the main filter screen is obliquely arranged to form an acute angle structure with the front section of the right side wall;
the garbage caching pool is arranged on the right side of the sewage drainage ditch, the depth of the garbage caching pool is larger than that of the sewage drainage ditch, the garbage caching pool is communicated with the sewage drainage ditch through a first channel and a second channel respectively, the first channel and the second channel are respectively provided with a first opening and a second opening on the right side wall, the first opening and the second opening are respectively positioned on the front side and the rear side of the main filter screen, the bottom surface of the second channel is an inclined surface which is inclined downwards from the wall surface of the bottom wall towards the garbage caching pool, and the bottom surface of the first channel is an inclined surface which is inclined upwards from the wall surface of the bottom wall towards the garbage caching pool;
the folding plate mechanism is positioned at the rear side of the main filter screen and comprises a first narrow plate, a second narrow plate and a folding hydraulic cylinder, wherein the first narrow plate and the second narrow plate are mutually hinged through a hinge shaft, the folding hydraulic cylinder drives the first narrow plate and the second narrow plate to move, the lower surfaces of the first narrow plate and the second narrow plate are attached to the bottom wall, the width of the first narrow plate is smaller than that of a sewage disposal ditch, the width of the second narrow plate is larger than that of the second opening, the other side of the first narrow plate is hinged on the right side wall through the hinge shaft, the output end of the folding hydraulic cylinder is hinged on the second narrow plate, the fixed end of the folding hydraulic cylinder is hinged on the right side wall, and the first narrow plate and the second narrow plate are provided with a closing position for closing the second opening and an opening position for opening the second opening under the driving of the folding hydraulic cylinder;
the opening and closing plate mechanism is positioned at the front side of the main filter screen and comprises a wide plate with one end hinged to the right side wall and an opening and closing hydraulic cylinder for driving the wide plate to rotate, the width of the wide plate is consistent with the width of the sewage disposal trench, and the wide plate is provided with a recoil position for plugging the sewage disposal trench and a water discharge level for plugging the first opening under the driving of the opening and closing hydraulic cylinder;
the auxiliary filter screen is arranged on the upper part of the garbage caching pool, two sides of the auxiliary filter screen are respectively contacted with two side walls of the garbage caching pool in the left-right direction, and the auxiliary filter screen is positioned below the first channel.
The beneficial effect of this scheme: when the sewage treatment device is used, the folding plate mechanism and the opening and closing plate mechanism are controlled to be in a state of closing the first opening and the second opening through the controller or the control switch, so that sewage normally flows along the sewage drainage ditch, garbage in the sewage is filtered by the main filter screen, and most of garbage on the main filter screen is concentrated at an included angle between the main filter screen and the second narrow plate due to the inclined arrangement state of the main filter screen; when the operation is set after time or when the main filter screen is found to be blocked and the filtration is affected, the folding hydraulic cylinder of the folding plate mechanism is controlled to shrink to enable the first narrow plate and the second narrow plate to rotate backwards, the second opening is gradually opened, meanwhile, the opening and closing hydraulic cylinder of the opening plate mechanism is controlled to stretch to enable the wide plate to rotate backwards and gradually block the drain ditch, sewage is blocked by the wide plate after passing through the main filter screen and flows reversely, the garbage accumulated after the main filter screen is flushed down and enters along the second opening just opened, the second channel gradually falls into the garbage cache pool, in the process, as the first narrow plate and the second narrow plate are retracted, the first narrow plate and the second narrow plate which are arched and the drain ditch behind the main filter screen are enclosed by the channel with smaller through-flow cross-sectional area, the through-flow cross-sectional area is reduced to cause the increase of water pressure on the premise of unchanged water flow, the second narrow plate has larger inclination degree at the moment, a guiding effect towards the direction of the second opening is provided for sewage, the pressurized high-speed water flow is guided by the second narrow plate, the pressurized high-speed water flow can be inclined towards the second opening at the right side for flushing, and the sewage which is blocked by the wide plate and flows back can only flow out of the second opening, so that two water flows towards the second opening, under the matching effect of the two water flows, one water flow backflushes the garbage on the main filter screen, the other high-speed inclined water flow flushes the garbage into the second opening, and the garbage on the main filter screen is thoroughly cleaned and brought into the garbage cache pool, and as the garbage cache pool is deeper and has larger space, the water flow speed is reduced, the garbage gradually settles in the garbage cache pool and is deposited in the garbage cache pool so as to be uniformly cleaned after accumulating to a certain amount, and the floating garbage with a small amount is blocked by the auxiliary filter screen, the sewage in the garbage buffer pool can be overflowed from bottom to top in the setting mode of the auxiliary filter screen and filtered by the auxiliary filter screen when flowing out of the first channel, and the filtering mode can avoid floating garbage from flowing into the first channel. When the back flushing process lasts for a set time or when the garbage on the main filter screen is washed clean, the folding plate mechanism and the opening and closing plate mechanism can be controlled to be in a closed state, the first opening and the second opening are blocked, sewage does not enter and exit the garbage cache pool any more, and at the moment, when the garbage in the garbage cache pool is stored for a plurality of times, the garbage can be cleaned. Due to the closing of the first opening and the second opening, sewage can normally flow in the sewage drainage ditch, and the cleaned main filter screen normally filters. Therefore, the device can be used for setting up regular cleaning, so that the main filter screen can not be blocked, the main filter screen is not required to be cleaned by manually propping up the pressure of sewage, the garbage interception process of the sewage is not required to be stopped, the online cleaning and continuous interception are realized, and the normal discharge of the sewage can not be influenced. And because the garbage on the main filter screen is periodically recoiled into the garbage buffer pool, a larger amount of garbage accumulation can be realized, frequent cleaning is not needed, the frequency of garbage cleaning is reduced, and the work cost is saved.
The main filter screen slope setting mode makes the rubbish that is blocked by the main filter screen have the trend of moving towards the right side, and under sewage impact, the rubbish that is blocked by the main filter screen can accumulate gradually in main filter screen right-hand member and right side wall's contained angle department, and the rubbish that is blocked can be more smooth when follow-up back flush enter into in the second passageway. The garbage caching pool is deeper and has large volume, sewage is in a slow flowing state after entering, and when the garbage enters along with the sewage, the garbage can settle in the pool, namely solid garbage with density larger than that of the sewage, particles and the like sink to fall into the bottom of the pool, and floating garbage is filtered by the auxiliary filter screen. The folding plate mechanism is used for controlling the opening and closing of the second opening on one hand and providing a guiding function for the garbage to move towards the second opening on the second aspect. The action of the opening and closing plate mechanism is that on one hand, a drain ditch in front of the main filter screen is plugged when the opening and closing plate mechanism is in a back flushing position, sewage blocked by the wide plate reversely flows to flush down garbage attached to the main filter screen, so that the garbage can smoothly enter the garbage cache pool along the second opening on the right side, and on the other hand, the first opening is plugged when the water level is discharged, and the sewage is prevented from entering the garbage cache pool from the first opening.
Further, the front edge of the second opening is flush with the rear edge of the right end of the main filter screen. By the structure, garbage can enter the second opening more easily at the first time during back flushing, and the garbage cannot be accumulated at an angle.
Further, the auxiliary filter screen is arranged obliquely upwards from front to back. The design is convenient for the floater garbage to enter the lower part of the auxiliary filter screen on one hand, and on the other hand, the floater garbage can be accumulated from inside to outside, so that the auxiliary filter screen is prevented from being blocked too early to influence the use of the auxiliary filter screen.
Further, rubber sealing strips are arranged at the edges of the first opening and the second opening. On the one hand, the closing of the wide plate and the second narrow plate can be buffered, and on the other hand, a better seal is achieved.
Further, when the first narrow plate and the second narrow plate are in the closed position, the included angle of the right side wall corresponding to the right side of the second narrow plate is an acute angle. On the one hand, the second narrow plate can be obliquely arranged so as to guide sewage, so that the sewage flows rightwards obliquely as much as possible, garbage on the main filter screen is driven to accumulate rightwards, and space is left on the left side of the main filter screen for normal filtration, and the main filter screen can be prevented from being blocked completely as much as possible, namely, the left side of the main filter screen is prevented from being blocked by the garbage as much as possible. And the garbage on the main filter screen can be conveniently converged towards the right side by the design, so that the garbage can smoothly enter the second opening during back flushing.
Further, rubber sealing strips are arranged at the lower parts of the first narrow plate, the second narrow plate and the wide plate. The arrangement is to improve the sealing property between the first and second narrow plates and the wide plate and the bottom wall, to avoid the garbage entering the space surrounded by the first and second narrow plates and the right side wall as much as possible, and to ensure the sealing property.
Further, a slag discharging channel is arranged at the bottom of the garbage caching pool. The arrangement facilitates the slag removal of the garbage cache pool.
Drawings
Fig. 1 is a schematic perspective view of an interception device for sewage and garbage discharged outside (hydraulic cylinder is not shown);
FIG. 2 is a schematic diagram of the working principle of the sewage and garbage interception device during normal sewage disposal;
FIG. 3 is a schematic diagram of the working principle of the sewage and garbage interception device when the garbage on the main filter screen is backflushed and cleaned;
FIG. 4 isbase:Sub>A schematic cross-sectional view at A-A in FIG. 3;
FIG. 5 is a schematic cross-sectional view at B-B in FIG. 3;
FIG. 6 is a schematic cross-sectional view at C-C of FIG. 3;
in the figure: 1-a sewage disposal ditch, 11-a bottom wall, 12-a left side wall and 13-a right side wall; the garbage collection device comprises a main filter screen 2, a garbage buffer pool 3, a first channel 31, a first opening 311, a second channel 32, a second opening 321, a hinge shaft 4, a folding plate mechanism 5, a first narrow plate 51, a second narrow plate 52, a folding hydraulic cylinder 53, a folding hydraulic cylinder 6, a folding plate mechanism 61, a folding hydraulic cylinder 62, a secondary filter screen 7, a rubber sealing strip 8, a water flow direction S, W-sewage, X-suspended garbage and J-settled garbage.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, 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, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The features and capabilities of the present invention are described in further detail below in connection with the examples.
The invention relates to an interception device for sewage and garbage discharged outside. Comprises a sewage disposal ditch, a main filter screen, a garbage buffer pool, a folding plate mechanism, an opening plate mechanism, a secondary filter screen and the like. Continuous blowdown in the blowdown irrigation canals and ditches to through the main filter screen interception of slope setting, owing to the setting of folding plate mechanism and main filter screen of slope, make rubbish pile up towards right side corner, the difficult jam in left side. When the main filter screen is to be blocked for a certain time or, the folding plate mechanism and the opening and closing plate mechanism are opened, the first channel and the second channel leading to the garbage buffering pool are driven to be opened, the wide plate seals the channel at the front end of the main filter screen, the water flow reversely impacts the main filter screen to flush down garbage after the main filter screen, under the guidance and the throttling and pressurizing of the inverted V-shaped folding plate mechanism, sewage impacts the piled garbage rightward at a high speed and flushes the piled garbage into the garbage buffering pool, the settled garbage is settled in the garbage buffering pool due to the slow water flow and the increase of space, the floaters are filtered by the auxiliary filter screen, and when the garbage buffering pool is used for a long time, the garbage is piled more, the garbage can be cleaned.
An embodiment of an externally discharged sewage and garbage interception device of the invention comprises: as shown in fig. 1-6, an external sewage and garbage interception device comprises a sewage drainage ditch 1, a main filter screen 2, a garbage caching pool 3, a folding plate mechanism 5, an opening and closing plate mechanism 6, a secondary filter screen 7 and the like. The device is mainly used for intercepting garbage of large-scale pollution discharge.
The cross section of the sewage disposal ditch 1 is rectangular, and comprises a bottom wall 11, a left side wall 12 and a right side wall 13, wherein the whole sewage disposal ditch can be formed by pouring cement, and can also be formed by splicing and processing metal materials. The bottom wall 11 has a finish that reduces trash adhesion on the one hand and that facilitates a sliding sealing engagement with the first and second narrow and wide plates 61 on the other hand.
As shown in fig. 2, the main filter 2 is installed in the sewage drain 1 and is perpendicular to the bottom wall 11, the main filter 2 is inclined to form an acute angle structure with the front section of the right sidewall 13, and the main filter 2 is of a prior art structure and will not be described again.
As shown in fig. 1 and 2, the garbage buffer pool 3 is disposed on the right side of the sewage disposal trench 1 and is also formed by cement pouring, the depth is greater than the depth of the sewage disposal trench 1, the garbage buffer pool 3 is respectively communicated with the sewage disposal trench 1 through a first channel and a second channel, the first channel and the second channel are also cement pouring, the first channel 31 and the second channel 32 are respectively provided with rectangular first openings and second openings on the right side wall 13, the first openings and the second openings are respectively located on the front side and the rear side of the main filter screen 2, the bottom surface of the second channel 32 is an inclined surface which is inclined downwards from the wall surface of the bottom wall 11 of the sewage disposal trench 1 towards the garbage buffer pool 3, and the bottom surface of the first channel 31 is an inclined upwards from the wall surface of the bottom wall 11 of the sewage disposal trench 1 towards the garbage buffer pool 3.
As shown in fig. 2 and 3, the folding plate mechanism 5 is located at the rear side of the main filter screen 2, and includes a first narrow plate and a second narrow plate hinged to each other through a hinge shaft 4 and a folding hydraulic cylinder 53 driving the first narrow plate and the second narrow plate to move, wherein the first narrow plate and the second narrow plate are made of stainless steel plates or other high-strength plates, the lower surfaces of the first narrow plate and the second narrow plate are attached to the bottom wall 11 of the drain ditch, the width of the first narrow plate 51 is smaller than that of the drain ditch 1, the width of the second narrow plate 52 is larger than that of the second opening 321, the other side of the first narrow plate 51 is hinged to the right side wall 13 of the drain ditch 1 through the hinge shaft 4, the output end of the folding hydraulic cylinder 53 is hinged to the second narrow plate 52, the fixed end of the folding hydraulic cylinder is hinged to the right side wall 13 of the drain ditch 1, and the first narrow plate and the second narrow plate are provided with a closing position for closing the second opening 321 and an opening position for opening the second opening 321 under the driving of the folding hydraulic cylinder 53.
As shown in fig. 2 and 3, the opening and closing plate mechanism 6 is located at the front side of the main filter screen 2, and includes a wide plate 61 with one end hinged to the right side wall 13 of the sewage disposal trench 1 and an opening and closing hydraulic cylinder 62 for driving the wide plate 61 to rotate, where the wide plate is made of a stainless steel plate or other high-strength plates, the width of the wide plate 61 is consistent with the width of the sewage disposal trench 1, and the wide plate 61 has a recoil position for plugging the sewage disposal trench 1 and a drainage level for plugging the first opening 311 under the driving of the opening and closing hydraulic cylinder 62.
The opening and closing hydraulic cylinders and the folding hydraulic cylinders can be driven by the same set of hydraulic system and receive unified control, for example, one-key mechanical switch control is adopted, or the opening and closing hydraulic cylinders and the folding hydraulic cylinders are controlled by a controller, and when the controller is adopted, the controller can be opened and closed according to set time through a set program, so that the opening and closing hydraulic cylinders and the folding hydraulic cylinders can act simultaneously to control corresponding narrow plates and wide plates to rotate.
As shown in fig. 3 and 4, the auxiliary filter screen 7 is mounted on the upper portion of the garbage cache pool 3, the lower portion is supported by a vertical plate, both sides of the auxiliary filter screen 7 are respectively contacted with both side walls of the garbage cache pool 3 in the left-right direction, and in fact, the auxiliary filter screen 7 can be fixed relative to the side walls of the garbage cache pool 3, and the auxiliary filter screen 7 is located below the first channel 31.
When the sewage treatment device is used, the folding plate mechanism 5 and the opening and closing plate mechanism 6 are controlled by the controller or the control switch to be in a state of closing the first opening and the second opening, so that sewage normally flows along the sewage drainage ditch 1, garbage in the sewage is filtered by the main filter screen 2, and most of garbage on the main filter screen 2 is concentrated at an included angle between the main filter screen 2 and the second narrow plate 52 due to the inclined arrangement state of the main filter screen 2; when the main filter screen 2 is blocked to affect filtration after a set time is operated or the main filter screen 2 is found to be blocked, the folding hydraulic cylinder 53 of the folding plate mechanism 5 is controlled to shrink to enable the first narrow plate and the second narrow plate to rotate backwards, the second opening 321 is gradually opened, meanwhile, the opening and closing hydraulic cylinder 62 of the opening plate mechanism 6 is controlled to stretch to enable the wide plate 61 to rotate backwards to gradually block a drainage ditch, sewage is blocked by the wide plate 61 to flow reversely after passing through the main filter screen 2, garbage accumulated behind the main filter screen 2 is flushed down and enters along the second opening 321 which is just opened, the second channel 32 which gradually descends enters the garbage cache pool 3 along with the gradual descending, in the process, the sewage ditch 1 behind the main filter screen 2 is blocked by the first narrow plate and the second narrow plate which are arched to form a channel with smaller through-flow cross section area due to the inverted V-shaped first narrow plate and the second narrow plate which are retracted, the reduced through-flow cross-sectional area tends to increase the water pressure, and the second narrow plate 52 is inclined to a larger extent, so that a guiding effect towards the direction of the second opening 321 is provided for sewage, the pressurized high-speed water flow is guided by the second narrow plate 52, and can be inclined to flush the second opening 321 towards the right side, and the sewage which is blocked by the wide plate 61 and flows back can only flow out of the second opening 321, so that two water flows towards the second opening 321, under the cooperation of the two water flows, one water flow backflushes the garbage on the main filter screen 2, the other high-speed inclined water flow flushes the garbage into the second opening 321, so that the garbage on the main filter screen 2 is thoroughly cleaned and brought into the garbage cache 3, and the garbage gradually settles in the garbage cache 3 due to the deeper and larger space of the lower water flow speed, and is deposited in the garbage cache 3, so as to accumulate to a certain amount and then clean uniformly, and the little floater rubbish is blocked by the auxiliary filter screen 7, can clean together afterwards, the sewage in the rubbish buffer tank 3 is overflowed from bottom to top by the arrangement mode of the auxiliary filter screen 7 and filtered by the auxiliary filter screen 7 when flowing out from the first channel 31, and the filtering mode can avoid the floater rubbish from flowing into the first channel 31. When the above back flushing process lasts for a set time or when the garbage on the main filter screen 2 is washed clean, the folding plate mechanism 5 and the opening and closing plate mechanism 6 can be controlled to be in a closed state, the first opening 311 and the second opening 321 are plugged, sewage does not enter and exit the garbage cache pool 3 any more, and at this time, when the garbage in the garbage cache pool 3 is stored for a plurality of times and more garbage can be cleaned. Due to the closing of the first opening 311 and the second opening 321, sewage can normally flow in the sewage disposal trench 1, and the cleaned main filter screen 2 is normally filtered. Therefore, the device can be used for setting up regular cleaning, so that the main filter screen 2 cannot be blocked, the main filter screen 2 is not required to be cleaned by manually propping up the pressure of sewage, the sewage garbage interception process is not required to be stopped, on-line cleaning and continuous interception are realized, and the normal discharge of sewage cannot be influenced. And because the garbage on the main filter screen 2 is periodically recoiled into the garbage buffer pool 3, a larger amount of garbage accumulation can be realized, frequent cleaning is not needed, the frequency of garbage cleaning is reduced, and the work cost is saved.
The main filter screen 2 is inclined, so that the garbage blocked by the main filter screen 2 has a trend of moving towards the right side, and under the impact of sewage, the garbage blocked by the main filter screen 2 can be gradually accumulated at the included angle between the right end of the main filter screen 2 and the right side wall 13, so that the blocked garbage can enter the second channel 32 more smoothly during the subsequent back flushing. The garbage caching pool 3 is in a slow flowing state after sewage enters due to the fact that the depth is deeper and the garbage caching pool has a large volume, when garbage enters along with the sewage, the garbage will settle in the pool, namely solid garbage, particles and the like with density larger than that of the sewage sink to fall into the bottom of the pool, and floating garbage is filtered by the auxiliary filter screen 7. The folding plate mechanism 5 has the function of controlling the opening and closing of the second opening 321 on the one hand and providing a guiding function for the movement of the waste towards the second opening 321 on the other hand. The opening and closing plate mechanism 6 has the functions of blocking the sewage drainage ditch 1 in front of the main filter screen 2 in the back flushing position, enabling sewage blocked by the wide plate 61 to flow reversely to flush down garbage attached to the main filter screen 2, ensuring that the garbage can smoothly enter the garbage caching pool 3 along the second opening 321 on the right side, and blocking the first opening 311 in the water draining position, so that the sewage is prevented from entering the garbage caching pool 3 from the first opening 311.
In this embodiment, the front edge of the second opening 321 is flush with the rear edge of the right end of the main screen 2. This configuration makes it easier for the waste to enter the second opening 321 at the first time during back flushing, without accumulating at an angle. The auxiliary screen 7 is arranged obliquely upward from front to back. The design is convenient for the floater garbage to enter the lower part of the auxiliary filter screen 7 on one hand, and on the other hand, the floater garbage can be accumulated from inside to outside, so that the auxiliary filter screen 7 is prevented from being blocked too early to influence the use of the auxiliary filter screen. The edges of the first opening and the second opening are provided with rubber sealing strips 8. On the one hand, the closing of the wide plate 61 and the second narrow plate 52 is damped, and on the other hand a better seal is achieved. When the first and second narrow plates are in the closed position, the included angle of the right side wall 13 corresponding to the right side of the second narrow plate 52 is an acute angle. On the one hand, the second narrow plate 52 can be obliquely arranged so as to guide sewage, so that the sewage flows rightwards as obliquely as possible to drive the garbage on the main filter screen 2 to accumulate rightwards, so that space is left for the main filter screen 2 to perform normal filtration, and the main filter screen 2 can be prevented from being blocked completely as much as possible, namely, the left side of the main filter screen 2 is prevented from being blocked by the garbage as much as possible. And the garbage on the main filter screen 2 can be conveniently converged towards the right side by the design, so that the garbage can smoothly enter the second opening 321 during back flushing. Rubber weather strip 8 is mounted to the lower portions of first narrow plate 51, second narrow plate 52 and wide plate 61. The arrangement is to improve the sealing property between the first and second narrow plates and the wide plate 61 and the bottom wall 11, to avoid the entry of garbage into the space surrounded by the first and second narrow plates and the right side wall 13 as much as possible, and to ensure the sealing property. The bottom of the garbage caching pool 3 is provided with a slag discharging channel (not shown in the figure). This arrangement facilitates the removal of the refuse from the refuse buffer pool 3.
The above description is only a preferred embodiment of the present invention, and the patent protection scope of the present invention is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An external sewage and garbage interception device, comprising:
the cross section of the sewage disposal ditch is rectangular and comprises a bottom wall, a left side wall and a right side wall;
the main filter screen is arranged in the sewage disposal ditch and is perpendicular to the bottom wall, and the main filter screen is obliquely arranged to form an acute angle structure with the front section of the right side wall;
the garbage caching pool is arranged on the right side of the sewage drainage ditch, the depth of the garbage caching pool is larger than that of the sewage drainage ditch, the garbage caching pool is communicated with the sewage drainage ditch through a first channel and a second channel respectively, the first channel and the second channel are respectively provided with a first opening and a second opening on the right side wall, the first opening and the second opening are respectively positioned on the front side and the rear side of the main filter screen, the bottom surface of the second channel is an inclined surface which is inclined downwards from the wall surface of the bottom wall towards the garbage caching pool, and the bottom surface of the first channel is an inclined surface which is inclined upwards from the wall surface of the bottom wall towards the garbage caching pool;
the folding plate mechanism is positioned at the rear side of the main filter screen and comprises a first narrow plate, a second narrow plate and a folding hydraulic cylinder, wherein the first narrow plate and the second narrow plate are mutually hinged through a hinge shaft, the folding hydraulic cylinder drives the first narrow plate and the second narrow plate to move, the lower surfaces of the first narrow plate and the second narrow plate are attached to the bottom wall, the width of the first narrow plate is smaller than that of a sewage disposal ditch, the width of the second narrow plate is larger than that of the second opening, the other side of the first narrow plate is hinged on the right side wall through the hinge shaft, the output end of the folding hydraulic cylinder is hinged on the second narrow plate, the fixed end of the folding hydraulic cylinder is hinged on the right side wall, and the first narrow plate and the second narrow plate are provided with a closing position for closing the second opening and an opening position for opening the second opening under the driving of the folding hydraulic cylinder;
the opening and closing plate mechanism is positioned at the front side of the main filter screen and comprises a wide plate with one end hinged to the right side wall and an opening and closing hydraulic cylinder for driving the wide plate to rotate, the width of the wide plate is consistent with the width of the sewage disposal trench, and the wide plate is provided with a recoil position for plugging the sewage disposal trench and a water discharge level for plugging the first opening under the driving of the opening and closing hydraulic cylinder;
the auxiliary filter screen is arranged on the upper part of the garbage caching pool, two sides of the auxiliary filter screen are respectively contacted with two side walls of the garbage caching pool in the left-right direction, and the auxiliary filter screen is positioned below the first channel.
2. An apparatus for intercepting sewage and garbage from outside according to claim 1, wherein the front edge of the second opening is flush with the rear edge of the right end of the main screen.
3. An apparatus for intercepting sewage and garbage discharged from outside according to claim 1, wherein said sub-screen is inclined upward from front to back.
4. An apparatus for intercepting sewage and garbage discharged from outside according to claim 1, wherein rubber sealing strips are arranged at edges of the first and second openings.
5. The device according to claim 1, wherein the second narrow plate has an acute angle with respect to the right side wall when the first and second narrow plates are in the closed position.
6. The device for intercepting sewage and garbage discharged from outside according to claim 1, wherein rubber sealing strips are installed at lower parts of the first narrow plate, the second narrow plate and the wide plate.
7. The device for intercepting sewage and garbage discharged from outside according to claim 1, wherein a slag discharging channel is arranged at the bottom of the garbage buffer pool.
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| CN202210285419.0A CN114768380B (en) | 2022-03-23 | 2022-03-23 | Sewage and garbage interception device for external drainage |
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| CN202210285419.0A CN114768380B (en) | 2022-03-23 | 2022-03-23 | Sewage and garbage interception device for external drainage |
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| CN114768380B true CN114768380B (en) | 2023-04-25 |
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| CN115501669B (en) * | 2022-09-14 | 2023-07-28 | 鄂尔多斯市中北煤化工有限公司 | Anti-blocking type solid-liquid separation device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205287851U (en) * | 2015-11-23 | 2016-06-08 | 曾光明 | Chemical industry is with subsiding formula back flush filter |
| CN212417219U (en) * | 2020-04-27 | 2021-01-29 | 北京诺和兴建设工程有限公司 | Building wastewater treatment device |
| CN218188438U (en) * | 2022-08-27 | 2023-01-03 | 山东晟海环保科技有限公司 | Integrated wastewater treatment device |
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| US8002983B2 (en) * | 2007-04-10 | 2011-08-23 | Exxonmobil Research & Engineering Company | Back flushable strainer device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205287851U (en) * | 2015-11-23 | 2016-06-08 | 曾光明 | Chemical industry is with subsiding formula back flush filter |
| CN212417219U (en) * | 2020-04-27 | 2021-01-29 | 北京诺和兴建设工程有限公司 | Building wastewater treatment device |
| CN218188438U (en) * | 2022-08-27 | 2023-01-03 | 山东晟海环保科技有限公司 | Integrated wastewater treatment device |
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