CN111569516B - Building sewage treatment plant - Google Patents
Building sewage treatment plant Download PDFInfo
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- CN111569516B CN111569516B CN202010633347.5A CN202010633347A CN111569516B CN 111569516 B CN111569516 B CN 111569516B CN 202010633347 A CN202010633347 A CN 202010633347A CN 111569516 B CN111569516 B CN 111569516B
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- filter screen
- arc
- inner barrel
- liquid inlet
- rotating shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D33/54—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/801—Driving means, shaft packing systems or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/803—Accessories in which the filtering elements are moved between filtering operations ; Particular measures for removing or replacing the filtering elements; Transport systems for filters
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a building sewage treatment device, which solves the problems that a filter screen is easy to block and the sewage treatment efficiency is influenced in the prior art; the technical scheme includes that the sand filter comprises an outer barrel, an inner barrel is arranged in the outer barrel, a partition plate is arranged in the middle of the inner barrel, a rotating shaft is arranged on the inner barrel, a filter screen is arranged on the rotating shaft, discharge holes are formed in the lower ends of the inner barrel and the outer barrel, pins are arranged on the wall of the inner barrel, and a sand receiving groove is formed outside the outer barrel; liquid inlet channels are arranged on the inner barrel and the outer barrel, a liquid inlet groove is arranged on the inner barrel, the inner barrel is connected with an arc-shaped baffle plate, and the arc-shaped baffle plate can rotate upwards to close the liquid inlet groove; in the interval that the liquid inlet groove is opened and then closed, sewage enters the cavity for filtering; in the interval that the liquid inlet groove is closed and opened next time, a filter screen below the rotating shaft is contacted with the pin, and sand on the filter screen is shaken off to the discharge hole and falls into the sand receiving groove; the invention has novel conception, smart structure and strong practicability.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a building sewage treatment device.
Background
A large amount of sewage of the construction site is generated in the construction site, the sewage often contains a large amount of substances such as silt and broken stones, and if the sewage is directly discharged into a river channel or surface water, the river channel is silted; in the prior art, the adopted sewage treatment device mainly has two types: firstly, the simple sedimentation tank naturally sediments the substances such as sand and stone by virtue of the large sedimentation tank, so that the occupied area is large, the sedimentation time is long, the treatment effect is poor, and the environmental-friendly discharge standard is difficult to achieve; the other method is to arrange a sewage treatment device and remove impurities such as silt through a filter screen, and the method has the problem that the filter screen is easy to block due to fine sand and water, so that the filter screen needs to be continuously cleaned, and the treatment efficiency of the building sewage is influenced.
Disclosure of Invention
Aiming at the situation, the invention aims to solve the problems in the prior art, and provides a building sewage treatment device which solves the problems that a filter screen is easy to block and the sewage treatment efficiency is influenced in the prior art.
The technical scheme for solving the problem is as follows: the sand collecting device comprises an outer barrel horizontally placed in the left-right direction, an inner barrel coaxial with the outer barrel is sleeved in the outer barrel, a vertical partition plate is arranged in the middle of the inner barrel and divides the inner barrel into a left cavity and a right cavity, a rotating shaft coaxial with the inner barrel and capable of rotating around the axis of the rotating shaft is arranged on the inner barrel, a plurality of radial filter screens are uniformly distributed on the rotating shaft of each cavity in a circumferential mode, the filter screens can rotate along with the rotating shaft and swing and reset around the rotating shaft close to one end fixed on the rotating shaft, the filter screens in the cavities on the left side and the right side of the partition plate are arranged in a staggered mode, a through hole communicated with the upper end and the lower end of the inner barrel and the lower end of the outer barrel are formed at the lower end of the inner barrel and the outer barrel, a pin capable of moving along the inner barrel is arranged on the inner barrel wall close to the rear side of the discharge hole, and a plurality of sand collecting grooves which correspond to the filter screens one by one and can rotate synchronously with the filter screens are uniformly distributed on the outer circumference of the outer barrel;
the inner barrel and the outer barrel above the partition board are both provided with a through groove, the two through grooves are communicated and form a liquid inlet channel, the inner walls of the inner barrels at the left side and the right side of the partition board are both provided with a liquid inlet groove, the liquid inlet channel is communicated with the liquid inlet grooves at the left side and the right side, the inner wall of the inner barrel close to the liquid inlet groove is connected with an arc-shaped baffle which is placed in the left-right direction and can rotate around the arc-shaped baffle and is fixed at one end of the inner barrel, the arc-shaped baffle can rotate upwards to close the liquid inlet groove, and the arc-shaped baffle can reset downwards to open the liquid inlet groove; the rotating shaft drives the filter screen to rotate, the filter screen is in alternate contact with or separated from the arc-shaped baffles on the left side and the right side of the partition board, and the arc-shaped baffles enable the liquid inlet grooves on the left side and the right side of the partition board to be alternately closed or opened; in the interval between the opening of the liquid inlet groove and the closing of the liquid inlet groove, sewage enters the cavity through the opened liquid inlet groove and is filtered by the filter screen at the rear side of the arc-shaped baffle plate, and then the sewage flows out from the discharge hole; in the interval that the feed liquor groove was closed and was opened next time, a filter screen and the pin contact of pivot below for this filter screen takes place the swing, and after filter screen and pin broke away from, this filter screen is reverse quick to reset, and shake off the sand on the filter screen to the discharge gate and fall to and connect the husky inslot.
In order to realize the rotation of the rotating shaft, the rotating shaft is connected with the outer barrel through a bearing, the motor is connected with the rotating shaft through a speed reducer, the motor is started, and the motor can drive the rotating shaft to rotate.
The invention has novel concept, smart structure and strong practicability, can realize the effective separation of water and silt, prevents the blockage of the filter screen and greatly improves the sewage treatment efficiency.
Drawings
FIG. 1 is a front sectional view of the present invention in use.
FIG. 2 is a left side sectional view taken at A of FIG. 1 in accordance with the present invention.
FIG. 3 is a left side sectional view at B of FIG. 1 according to the present invention.
Fig. 4 is a partial enlarged view of the invention at C in fig. 3.
Fig. 5 is a perspective view of the arcuate plate of the present invention disengaged from the arcuate slot.
FIG. 6 is a perspective view of the filter screen and the shaft of the present invention.
FIG. 7 is a front sectional view of the inner barrel of the present invention.
FIG. 8 is a front sectional view of the squeegee of the invention.
Fig. 9 is a partial enlarged view of the invention at D in fig. 2.
Detailed Description
The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.
As shown in figures 1 to 9, the invention comprises an outer barrel 1 horizontally placed in the left-right direction, an inner barrel 2 coaxial with the outer barrel 1 is sleeved in the outer barrel 1, a vertical clapboard 3 is arranged in the middle of the inner barrel 2, the inner barrel 2 is divided into a left chamber and a right chamber by the clapboard 3, a rotating shaft 4 coaxial with the inner barrel 2 and capable of rotating around the axis of the rotating shaft is arranged on the inner barrel 2, a plurality of radial filter screens 5 are uniformly distributed on the circumference of the rotating shaft 4 of each chamber, the filter screens 5 can rotate along with the rotating shaft 4 and can swing around one end close to the rotating shaft 4 and can reset, the filter screens 5 in the chambers at the left side and the right side of the clapboard 3 are arranged in a staggered way, the lower ends of the inner barrel 2 and the outer barrel 1 are respectively provided with a through hole which is communicated up and down, the two through holes form a discharge hole 6, a pin 7 capable of moving along the radial direction of the inner barrel 2 is arranged on the wall of the inner barrel 2 close to the rear side of the discharge hole 6, a plurality of sand receiving grooves 8 which correspond to the filter screens 5 one by one and can rotate synchronously with the filter screens 5 are uniformly distributed on the outer circumference of the outer barrel 1;
the inner barrel 2 and the outer barrel 1 above the partition board 3 are both provided with a through groove, the two through grooves are communicated and form a liquid inlet channel 9, the inner walls of the inner barrel 2 at the left side and the right side of the partition board 3 are both provided with a liquid inlet channel 10, the liquid inlet channel 9 is communicated with the liquid inlet channels 10 at the left side and the right side, the inner wall of the inner barrel 2 close to the liquid inlet channel 10 is connected with an arc-shaped baffle plate 11 which is placed in the left-right direction and can be fixed at one end of the inner barrel 2 to rotate around the arc-shaped baffle plate 11, the arc-shaped baffle plate 11 can rotate upwards to close the liquid inlet channel 10, and the arc-shaped baffle plate 11 resets downwards to open the liquid inlet channel 10; the rotating shaft 4 drives the filter screen 5 to rotate, the filter screen 5 is alternately contacted with or separated from the arc-shaped baffles 11 on the left side and the right side of the partition board 3, and the arc-shaped baffles 11 enable the liquid inlet grooves 10 on the left side and the right side of the partition board 3 to be alternately closed or opened; in the interval that the liquid inlet groove 10 is opened and then closed, sewage enters the chamber through the opened liquid inlet groove 10 and is filtered by the filter screen 5 at the rear side of the arc-shaped baffle plate 11, and then the sewage flows out from the discharge hole 6; in the interval that feed liquor groove 10 was closed and was opened next time, a filter screen 5 and the pin 7 contact of pivot 4 below for this filter screen 5 takes place the swing, and filter screen 5 breaks away from the back with pin 7, and this filter screen 5 is reverse quick to reset, and shakes the sand on the filter screen 5 off to discharge gate 6 and fall to in connecing husky groove 8.
In order to realize the rotation of the rotating shaft 4, the rotating shaft 4 is connected with the outer barrel 1 through a bearing, the motor is connected with the rotating shaft 4 through a speed reducer, the motor is started, and the motor can drive the rotating shaft 4 to rotate.
In order to realize that filter screen 5 can fix the one end rotation on pivot 4 and can reset around it, pivot 4 on the circumference equipartition have a plurality ofly with the recess 12 of 5 one-to-one of filter screen, all install a fixed axle parallel with 4 axes of pivot in every recess 12, filter screen 5 install on the fixed axle and with the fixed axle between install the torsional spring, filter screen 5 rotates for the torsional spring receives torsional deformation, loosens filter screen 5 back, under the effect of torsional spring torsion, filter screen 5 antiport resets.
In order to realize that the arc baffle 11 can rotate around one end fixed on the inner wall of the inner barrel 2 and can reset, the inner wall of the bottom of each liquid inlet groove 10 is provided with an arc groove 13 which is coaxial with the inner barrel 2, the arc baffle 11 is connected with the front end of the arc groove 13 through a transverse shaft 14 in the left-right direction, a torsion spring is connected between the arc baffle 11 and the transverse shaft 14, one end of the torsion spring is fixed on the transverse shaft 14, the other end of the torsion spring is fixed on the arc baffle 11, the torsion spring is always in a twisted state, and the arc baffle 11 can rotate into the arc groove 13; the rotating shaft 4 drives the filter screen 5 to rotate, the filter screen 5 is in contact with the arc-shaped baffle 11 and pushes the arc-shaped baffle 11 to rotate, the torsion spring is subjected to torsional deformation, when the arc-shaped baffle 11 rotates into the arc-shaped groove 13, the liquid inlet groove 10 is closed, after the filter screen 5 is separated from the arc-shaped baffle 11, the arc-shaped baffle 11 reversely rotates and resets under the action of torsion of the torsion spring, and after the arc-shaped baffle 11 is separated from the arc-shaped groove 13, the liquid inlet groove 10 is opened; after the arc baffle 11 antiport resets, because the torsional spring still is in the state of being turned round, so under the effect of torsional spring torsion, the end of arc baffle 11 can with 4 in close contact with of pivot to can make when filtering, sewage can flow to the region in arc baffle 11 rear through arc baffle 11, and can reduce the sewage from the volume that the gap of arc baffle 11 and pivot 4 flowed.
In order to reduce the scattering area of sand when the sand is shaken off by the filter screens 5, a scraper 15 which has the same size as the filter screens 5 and rotates synchronously with the filter screens is arranged on the rotating shaft 4 at the rear side of each filter screen 5, a sand collecting area is formed between each scraper 15 and the corresponding filter screen 5, the size of the sand collecting area is far smaller than the space between two adjacent filter screens 5, a plurality of conical through holes 16 are formed in each scraper 15, and the diameter of one side, close to the corresponding filter screen 5, of each conical through hole 16 is smaller than that of one side, far away from the corresponding filter screen 5;
after the filter screen 5 is separated from the pin 7, the filter screen 5 is reversely and quickly reset and shakes off the sand on the filter screen 5 to the discharge hole 6, due to the existence of the scraper 15, the sand shaken off from the filter screen 5 can be concentrated in a sand collecting area formed by the filter screen 5 and the subsequent scraper 15, the scattering space of the shaken off sand is reduced, namely the bonding area between the sand and the inner wall of the inner barrel 2 is reduced, and when the scraper 15 rotates, the sand bonded on the inner wall of the inner barrel 2 in the sand collecting area is scraped to the discharge hole 6;
due to the structure of the conical through holes 16, when filtering, sewage can flow onto the filter screen 5 through the large-end diameter part of the conical through holes 16, so that the sewage can conveniently flow in, and because the diameter of one side, close to the corresponding filter screen 5, of the conical through holes 16 is smaller than that of one side, far away from the corresponding filter screen 5, of the conical through holes 16, the probability that sand passes through the conical through holes 16 can be greatly reduced at one end with a small diameter in the process that the sand is shaken off by the filter screen 5, so that the bonding area between the sand and the inner wall of the inner barrel 2 is reduced as much as possible;
when scraper blade 15 near discharge gate 6 department rotates and crosses discharge gate 6, the scraper blade 15 with arc baffle 11 contact breaks away from with arc baffle 11, and arc baffle 11 rotates downwards afterwards and resets, and arc baffle 11 rotates downwards makes feed liquor groove 8 opened, begins to carry out sewage again and filters.
In order to realize that the pin 7 can move along the radial direction of the inner barrel 2, a radial positioning groove 17 is formed in the inner barrel 2, the pin 7 is positioned in the positioning groove 17 and is in clearance fit with the positioning groove 17, a pressure spring 18 is arranged between the pin 7 and the positioning groove 17, one end of the pressure spring 18 is fixed on the pin 7, the other end of the pressure spring 18 is fixed in the positioning groove 17, and one side of the pin 7, which is far away from the discharge hole 6, is an inclined surface; the filter screen 5 pushes the pin 7 to move inwards, the pressure spring 18 is pressed to deform, and after the filter screen 5 leaves the pin 7, the pin 7 moves upwards to reset under the action of the pressure spring 18.
In order to realize that the sand receiving groove 8 can synchronously rotate with the filter screen 5, the left side and the right side of the rotating shaft 4 are respectively provided with a rotating disc 19 which is coaxial with the rotating shaft 4, a plurality of cross rods 20 which are in one-to-one correspondence with the filter screen 5 are uniformly distributed on the circumference of the rotating disc 19, and the sand receiving groove 8 is arranged on the corresponding cross rods 20.
In order to clean sand in the sand receiving groove 8, a brush 21 in the front-back direction is mounted on the outer barrel 1, the sand receiving groove 8 is in contact with the brush 21 when rotating along with the rotating shaft 4, and the brush 21 is arranged in the sand receiving groove 8 to sweep out sand.
Before the water receiving device is used, a water receiving tank is arranged below a discharge port 6, a conveying belt is arranged on the front side of the water receiving tank, a left side cavity is taken as an example to explain the using process of the water receiving device, an initial state is set, a filter screen 5 in the left side cavity is far away from an arc-shaped baffle 11, a scraper 15 in the left side cavity is separated from the arc-shaped baffle 11 in the left side cavity, the arc-shaped baffle 11 in the left side cavity is separated from an arc-shaped groove 13 at the moment, the tail end of the arc-shaped baffle 11 is in close contact with a rotating shaft 4 under the action of torsional spring torsion, and a liquid inlet groove 10 on the left side is opened; the filter screen 5 in the right chamber is in contact with the arc-shaped baffle 11, the arc-shaped baffle 11 is positioned in the arc-shaped groove 13, and at the moment, the liquid inlet groove 10 in the right chamber is closed; the pins 7 in the left and right chambers are both positioned at the outermost ends of the displacement, and the compression springs 18 are positioned at the original length;
when the sewage filter is used, the motor is turned on, the motor rotates to drive the filter screen 5 and the scraper 15 to rotate backwards together, unfiltered sewage is introduced into the liquid inlet groove 10 and enters the cavity on the left side of the partition plate 3, the tail end of the arc-shaped baffle plate 11 on the left side is tightly contacted with the rotating shaft 4, so that the sewage enters the cavity on the left side and flows into the area on the rear side of the arc-shaped baffle plate 11 through the arc-shaped baffle plate 11, the sewage flows onto the scraper 15 close to the rear side of the arc-shaped baffle plate 11 and flows onto the filter screen 5 close to the arc-shaped baffle plate through the conical through hole 16, the sewage is filtered by the filter screen 5, and the filtered sewage flows into the water receiving tank through the discharge hole 6; because the range of arc baffle 11 rear side to discharge gate can have the structure that multiunit filter screen 5 and scraper blade 15 are constituteed, so, sewage can carry out multistage filtration through multilayer filter screen 5.
The rotating shaft 4 rotates to drive the filter screen 5 to rotate, when the next filter screen 5 close to the arc baffle 11 in the left chamber is in contact with the arc baffle 11 and presses the arc baffle 11 to rotate into the arc-shaped groove 13, the left liquid inlet groove 10 is closed, and the filter screen 5 below the left rotating shaft 4 rotates to be in contact with the pin 7, the filter screen 5 in contact with the pin 7 stops rotating due to the blocking effect of the pin 7, the rotating shaft 4 continues to rotate, the filter screen 5 deflects under the effect of the pin 7, so that the torsion spring at the filter screen 5 is subjected to torsional deformation, when the force of the torsion spring is large enough, the pin 7 is pressed by the filter screen 5, the pin 7 moves downwards, the pressure spring 18 is subjected to compressive deformation, the filter screen 5 suddenly rotates under the effect of the torsion spring torsion force to reset after crossing the pin 7, and sands on the filter screen 5 are shaken down to a sand collecting area formed by the filter screen 5 and the subsequent scraper 15, the rotating shaft 4 drives the filter screen 5 and the scraper 15 to continue rotating, and when the scraper 15 rotates, sand adhered to the inner wall of the inner barrel 2 in the sand collecting area is scraped to the discharge hole 6;
meanwhile, connect husky groove 8 to rotate under discharge gate 6 along with pivot 4, silt enters into from discharge gate 6 and connects husky inslot 8, and pivot 4 rotates, and the drive connects husky groove 8 to rotate jointly, contains the husky groove 8 of connecing of silt and constantly inclines, and silt is fallen on the conveyer belt, and when connecing husky groove 8 to rotate to the back of contacting with brush 21, connect the relative rotation between husky groove 8 and the brush 21, brush 21 will connect remaining silt in husky groove 8 to sweep and fall into on the conveyer belt.
It should be noted that: after the filter screen 5 is separated from the pin 7, the filter screen 5 is reversely and quickly reset and shakes off the sand on the filter screen 5 to the discharge hole 6, due to the existence of the scraper 15, the sand shaken off from the filter screen 5 can be concentrated in a sand collecting area formed by the filter screen 5 and the subsequent scraper 15, the scattering space of the shaken off sand is reduced, namely the bonding area between the sand and the inner wall of the inner barrel 2 is reduced, and when the scraper 15 rotates, the sand bonded on the inner wall of the inner barrel 2 in the sand collecting area is scraped to the discharge hole 6;
due to the structure of the conical through holes 16, when filtering, sewage can flow onto the filter screen 5 through the large-end diameter part of the conical through holes 16, so that the sewage can conveniently flow in, and because the diameter of one side, close to the corresponding filter screen 5, of the conical through holes 16 is smaller than that of one side, far away from the corresponding filter screen 5, of the conical through holes 16, the probability that sand passes through the conical through holes 16 can be greatly reduced at one end with a small diameter in the process that the sand is shaken off by the filter screen 5, so that the bonding area between the sand and the inner wall of the inner barrel 2 is reduced as much as possible;
after the pivot 4 drives scraper blade 15 that is located 6 vicinities of discharge gate and leaves the discharge gate, pivot 4 drives filter screen 5 and scraper blade 15 and continues to rotate, filter screen 5 and scraper blade 15 with cowl 11 contact break away from with cowl 11 in proper order, scraper blade 15 breaks away from the back with cowl, cowl 11 rotates downwards under the effect of torsional spring torsion and resets, cowl 11 breaks away from arc 13, cowl 11 rotates again terminal and 4 in close contact with of pivot, the feed liquor groove 10 of left side cavity is opened once more, sewage is the region of cowl 11 rear side once more that flows by cowl 11, continue to carry out sewage filtration.
The rotating shaft 4 drives the filter screen 5 and the scraper 15 to rotate, when the arc baffle 11 on the left side is positioned in the arc groove 13, the arc baffle 11 shields the liquid inlet groove 10 on the left side, when the liquid inlet groove 10 on the left side is closed, the scraper 15 on the right side of the partition plate 3 is just separated from the arc baffle 11 on the right side, the arc baffle 11 on the right side rotates under the action of torsional spring torsion, so that the liquid inlet groove 10 on the right side is opened, as the liquid inlet channel 9 is communicated with the liquid inlet grooves 10 on the left side and the right side, and the sand receiving grooves 8 on the left side and the right side of the partition plate 3, the filter screen 5, the scraper 15 and other structures are relatively independent, sewage can flow into the cavity on the right side of the partition plate 3, the sewage is filtered in the cavity on the right side, and the subsequent sand is separated; because the filter screens 5 on the left side and the right side of the partition board 3 are arranged in a staggered manner, in a time interval when the liquid inlet groove 10 in the left side cavity is closed and opened next time, silt on the filter screens 5 is shaken off and transferred to the corresponding sand receiving grooves 8 in the left side cavity under the action of the pins 7, meanwhile, the liquid inlet groove 10 in the right side cavity is in an opened state, and sewage is treated, on the contrary, in a time interval when the liquid inlet groove 10 in the right side cavity is closed and opened next time, silt on the filter screens 5 is shaken off and transferred to the corresponding sand receiving grooves 8 in the right side cavity under the action of the pins 7, and the liquid inlet groove 10 in the left side cavity is in an opened state, so that sewage is treated; the sewage treatment is carried out alternately by the left chamber and the right chamber, so that the sewage treatment efficiency can be improved.
So, pivot 4 constantly rotates, and the feed liquor groove 10 of the left and right sides is opened in turn, carries out the filtration of sewage, and the silt on sewage and the filter screen 5 that are handled separates in proper order and discharges.
It is worth noting that the taper holes arranged on the scraper 15 can ensure that sewage can smoothly flow into the filter screen 5 during filtering, and when the filter screen 5 shakes, the probability that silt shakes out of the scraper 15 can be reduced due to the fact that the diameter of the taper holes close to the filter screen 5 is smaller;
the arrangement of the above parts is explained by taking the case that the rotating shaft 4 rotates backwards as an example, when the rotating shaft 4 rotates backwards, the transverse shaft 14 of the arc-shaped baffle plate 11 is arranged at the rear side of the liquid inlet tank 10, the arc-shaped baffle plate 11 rotates around the rear end, the scraping plates 15 are symmetrically arranged at the front side of the corresponding filter screen 5, and the pins 7 are symmetrically arranged at the front side of the discharge port 6;
in order to prolong the service life of the scraper 15 and the inner barrel 2 and prevent the scraper 15 from scratching the inner barrel 2 in the rotation process, a layer of sponge strip can be adhered to the end part of the scraper 15 close to the inner barrel 2, and in the sand scratching process of the scraper 15, the sponge strip can better remove sand on the wall of the inner barrel 2, reduce the hard friction between the scraper 15 and the inner barrel 2 and prevent the inner barrel 2 from being scratched due to the existence of the sand between the wall of the inner barrel 2 and the scraper 15.
According to the invention, through the cooperation of the arc-shaped baffle 11 and the plurality of filter screens 5 uniformly distributed on the circumference, when the liquid inlet tank 10 is opened by the arc-shaped baffle 11, sewage can be filtered by the filter screens 5 in multiple layers, and after the liquid inlet tank 10 is closed by the filter screens 5, silt is discharged out of the barrel, so that the effective separation of water and silt in the sewage is realized, the silt on the filter screens 5 is not discharged, the blockage of the filter screens 5 is prevented, the difficulty in manually cleaning the filter screens is reduced, and the sewage treatment efficiency is improved.
According to the invention, through the matching action of the pin 7, the scraper 15 and the filter screen 5, the filter screen 5 can shake under the action of the pin 7 at the position where the filter screen 5 passes through the discharge hole 6, so that silt on the filter screen 5 is shaken out, the filter screen 5 does not need to be cleaned manually, and the operation intensity of an operator is reduced.
The invention divides the inner barrel 2 into a left chamber and a right chamber by arranging the clapboard 3 in the inner barrel 2, and the left side and the right side alternately filter sewage, thereby improving the sewage treatment efficiency.
The invention has novel concept, smart structure and strong practicability, can realize the effective separation of water and silt, prevents the blockage of the filter screen and greatly improves the sewage treatment efficiency.
Claims (7)
1. A construction sewage treatment device is characterized by comprising an outer barrel (1) horizontally placed in the left-right direction, an inner barrel (2) coaxial with the outer barrel (1) is sleeved in the outer barrel (1), a vertical partition plate (3) is arranged in the middle of the inner barrel (2), the inner barrel (2) is divided into a left cavity and a right cavity by the partition plate (3), a rotating shaft (4) coaxial with the inner barrel (2) and capable of rotating around the axis of the rotating shaft is arranged on the inner barrel (2), a plurality of radial filter screens (5) are uniformly distributed on the circumference of the rotating shaft (4) of each cavity, the filter screens (5) can rotate along with the rotating shaft (4) and can swing around the rotating shaft and can reset at one end close to the rotating shaft (4), the filter screens (5) in the cavities on the left side and the right side of the partition plate (3) are arranged in a staggered manner, and the lower ends of the inner barrel (2) and the outer barrel (1) are provided with through holes which are communicated up and down, the two through holes form a discharge hole (6), a pin (7) capable of moving along the radial direction of the inner barrel (2) is arranged on the wall of the inner barrel (2) close to the rear side of the discharge hole (6), and a plurality of sand receiving grooves (8) which are in one-to-one correspondence with the filter screens (5) and can synchronously rotate with the filter screens (5) are uniformly distributed on the outer circumference of the outer barrel (1);
the inner barrel (2) and the outer barrel (1) above the partition plate (3) are respectively provided with a through groove, the two through grooves are communicated and form a liquid inlet channel (9), the upper parts of the inner walls of the inner barrels (2) at the left side and the right side of the partition plate (3) are respectively provided with a liquid inlet groove (10), the liquid inlet channels (9) are communicated with the liquid inlet grooves (10) at the left side and the right side, the inner wall of the inner barrel (2) close to the liquid inlet grooves (10) is connected with an arc baffle (11) which is placed in the left-right direction and can rotate around the arc baffle and is fixed at one end of the inner barrel (2), the arc baffle (11) can rotate upwards to close the liquid inlet grooves (10), and the arc baffle (11) can reset downwards to open the liquid inlet grooves (10); the rotating shaft (4) drives the filter screen (5) to rotate, the filter screen (5) is alternately contacted with or separated from the arc-shaped baffles (11) on the left side and the right side of the partition board (3), and the arc-shaped baffles (11) enable the liquid inlet grooves (10) on the left side and the right side of the partition board (3) to be alternately closed or opened; in the interval that the liquid inlet groove (10) is opened and then closed, sewage enters the cavity through the opened liquid inlet groove (10) and is filtered by the filter screen (5) at the rear side of the arc-shaped baffle (11), and then the sewage flows out from the discharge hole (6); in the interval that the liquid inlet groove (10) is closed and opened next time, a filter screen (5) below the rotating shaft (4) is contacted with the pin (7), so that the filter screen (5) swings, and after the filter screen (5) is separated from the pin (7), the filter screen (5) is reversely and quickly reset, sand on the filter screen (5) is shaken off to the discharge port (6) and falls into the sand receiving groove (8); every filter screen (5) rear side pivot (4) on all install one with filter screen (5) size the same and with filter screen synchronous rotation's scraper blade (15), scraper blade (15) and its filter screen (5) that correspond between form a sand-collecting area, sand-collecting area is far less than the space size between two adjacent filter screens (5), a plurality of toper through-holes (16) have been seted up on scraper blade (15), the diameter that toper through-hole (16) are close to corresponding filter screen (5) one side is less than the diameter of keeping away from corresponding filter screen (5) one side.
2. The construction wastewater treatment device according to claim 1, wherein the rotating shaft (4) is connected with the outer barrel (1) through a bearing, and the motor is connected with the rotating shaft (4) through a reducer.
3. The building sewage treatment device according to claim 1, wherein a plurality of grooves (12) corresponding to the filter screens (5) one by one are uniformly distributed on the circumference of the rotating shaft (4), a fixed shaft parallel to the axis of the rotating shaft (4) is installed in each groove (12), and the filter screens (5) are installed on the fixed shaft and torsion springs are installed between the filter screens and the fixed shaft.
4. The building sewage treatment device according to claim 1, wherein an arc-shaped groove (13) coaxial with the inner barrel (2) is formed in the inner wall of the bottom of each liquid inlet groove (10), the arc-shaped baffle (11) is connected with the front end of the arc-shaped groove (13) through a transverse shaft (14) in the left-right direction, a torsion spring is connected between the arc-shaped baffle (11) and the transverse shaft (14), one end of the torsion spring is fixed on the transverse shaft (14), the other end of the torsion spring is fixed on the arc-shaped baffle (11), the torsion spring is always in a twisted state, and the arc-shaped baffle (11) can rotate into the arc-shaped groove (13).
5. The building sewage treatment device according to claim 1, wherein a radial positioning groove (17) is formed in the inner barrel (2), the pin (7) is located in the positioning groove (17) and is in clearance fit with the positioning groove (17), a pressure spring (18) is installed between the pin (7) and the positioning groove (17), one end of the pressure spring (18) is fixed on the pin (7), the other end of the pressure spring (18) is fixed in the positioning groove (17), and one side of the pin (7) far away from the discharge hole (6) is an inclined surface.
6. The building sewage treatment device according to claim 1, wherein the left side and the right side of the rotating shaft (4) are respectively provided with a rotating disc (19) coaxial with the rotating shaft (4), a plurality of cross rods (20) corresponding to the filter screens (5) one by one are uniformly distributed on the circumference of the rotating disc (19), and the sand receiving grooves (8) are arranged on the corresponding cross rods (20).
7. The sewage treatment device for the building as claimed in claim 1, wherein the outer tub (1) is provided with a brush (21) in a front-rear direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010633347.5A CN111569516B (en) | 2020-07-04 | 2020-07-04 | Building sewage treatment plant |
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|---|---|---|---|
| CN202010633347.5A CN111569516B (en) | 2020-07-04 | 2020-07-04 | Building sewage treatment plant |
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| CN111569516A CN111569516A (en) | 2020-08-25 |
| CN111569516B true CN111569516B (en) | 2021-12-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113882341A (en) * | 2021-11-05 | 2022-01-04 | 赵君君 | Municipal administration floater fishing device |
| CN114225558A (en) * | 2021-12-23 | 2022-03-25 | 刘海青 | Silt treatment equipment of comprehensive funnel filter mud |
| CN114570095B (en) * | 2022-03-25 | 2023-12-22 | 山东君德生物科技有限公司 | Filtering equipment for producing water clarifying agent |
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Effective date of registration: 20211027 Address after: No.13, Lane 3, 2nd Street, Jurong West Road, Dongcheng Town, Yangdong District, Yangjiang City, Guangdong Province, 529500 Applicant after: Guangdong Guan Nuo Construction Engineering Co.,Ltd. Address before: NO.67 Zhongyuan Road, Zhongyuan District, Zhengzhou City, Henan Province, 450000 Applicant before: Li Anwen |
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