CN108554270B

CN108554270B - Domestic sewage pretreatment device

Info

Publication number: CN108554270B
Application number: CN201810498987.2A
Authority: CN
Inventors: 杨喜光
Original assignee: 王秋文
Current assignee: Wang Qiuwen
Priority date: 2018-05-23
Filing date: 2018-05-23
Publication date: 2021-02-12
Anticipated expiration: 2038-05-23
Also published as: CN112591929A; CN108554270A

Abstract

The invention relates to the technical field of domestic sewage treatment, in particular to a domestic sewage pretreatment device. The technical problems to be solved by the invention are that the sewage is difficult to be completely purified and the secondary dirt treatment is difficult to be carried out. In order to solve the technical problem, the invention provides a domestic sewage pretreatment device which comprises a container, wherein four right-angle positions at the bottom of the container are fixedly connected with supporting legs, the top of the container is fixedly connected with a U-shaped mounting plate, the bottom of the U-shaped mounting plate is provided with a primary premixing device, the bottom of the primary premixing device is positioned in the container, and a secondary mixing and filtering device is arranged in the container and in the interval between the primary premixing devices. According to the invention, through the improvement of the primary premixing device, when the servo motor is started, the two rotating shafts can respectively drive the mixing barrel to rotate, and the purifying agent can flow into the mixing barrel from the agent conveying pipe, and can be rapidly and completely dissolved into sewage along with the reciprocating rotation of the mixing barrel.

Description

Domestic sewage pretreatment device

Technical Field

The invention relates to the technical field of domestic sewage treatment, in particular to a domestic sewage pretreatment device.

Background

Domestic sewage is wastewater discharged in daily life of residents and mainly comes from residential buildings and public buildings, such as houses, offices, schools, hospitals, shops, public places, industrial enterprise toilets and the like. The pollutants contained in the domestic sewage are mainly organic matters (such as protein, carbohydrate, fat, urea, ammonia nitrogen and the like) and a large number of pathogenic microorganisms (such as parasitic ova, intestinal infectious viruses and the like).

In the process of treating domestic sewage, a purifying agent needs to be added into the domestic sewage, and the dissolving efficiency of the purifying agent is difficult to keep up with due to the fact that the water flow speed of the sewage is high, so that the purifying agent is difficult to completely purify the sewage, and the sewage purified by the purifying agent is difficult to carry out secondary dirt filtration treatment.

Disclosure of Invention

Technical problem to be solved

The invention provides a domestic sewage pretreatment device, which solves the problems that sewage is difficult to purify completely and is difficult to carry out secondary dirt treatment.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a domestic sewage pretreatment device, includes the container, four equal fixedly connected with supporting legs in right angle department of container bottom, the top fixedly connected with U-shaped mounting panel of container, the bottom of U-shaped mounting panel is provided with preliminary premixing device, preliminary premixing device's bottom is located the inside of container, just be provided with secondary mixed filter equipment in the interval that is located preliminary premixing device in the container.

Preferably, the preliminary premixing device comprises a servo motor, a driving gear is sleeved at the output end of the servo motor, the driving gear is engaged with driven gears on two sides of the driving gear, the axis of the bottom of the driven gear is fixedly connected with the top end of a rotating shaft, the bottoms of the two rotating shafts respectively penetrate through holes formed in two sides of the top of the container and extend to the inside of the container, an annular groove is formed in the inner wall of the through hole, two cambered blocks are connected in the annular groove in a sliding mode, one opposite sides of the two cambered blocks are fixedly connected with two sides of the side surface of the rotating shaft respectively, the bottoms of the two rotating shafts are fixedly connected with the tops of two mixing barrels in the container respectively, annular slide rails are fixedly connected on two sides of the bottom of the inner wall of the container, two slide blocks are connected in the annular slide rails in a sliding mode, and two fixed blocks, and one side of the back of the body of two sliders all through return spring respectively with one side fixed connection of two fixed blocks, and the top of four sliders uses two all to inlay the bearing in two annular slide rails respectively as a set of both sides fixed connection with two blending tank bottoms through the vertical axis respectively, the both sides of container inner wall bottom just are located two annular slide rails respectively, it has the bull stick to peg graft in the bearing, and the top of two bull sticks respectively with the axle center department fixed connection of two blending tank bottoms, two the one end that the blending tank carried on the back mutually all pegs graft there is the inlet tube, and the both sides of container and extend to its outside are run through respectively to the one end that two inlet tubes carried on the back mutually.

Preferably, the secondary mixing and filtering device comprises a discharge barrel, the top and the bottom of the discharge barrel are respectively and fixedly connected with the top and the bottom of the inner wall of the container, the two sides of the discharge barrel are respectively connected and communicated with the two sides of the two mixing barrels through communicating hoses, a movable shaft is sleeved in the discharge barrel, a circular groove is formed in the bottom of the movable shaft, a ball is sleeved in the circular groove, the bottom of the side surface of the ball is lapped at the bottom of the inner wall of the discharge barrel, an annular frame is sleeved on the movable shaft, a filter screen is sleeved in the annular frame, separating rods are fixedly connected with the two sides of the side surface of the movable shaft, the top end of the movable shaft is connected with a purifier box, the top of the purifier box is fixedly connected with the bottom end of a connecting shaft, and the connecting shaft sequentially penetrates through the top of the discharge barrel and the top of the container from bottom to, the two sides of the purifier box are fixedly connected with one ends of the two agent conveying pipes respectively, one ends of the two agent conveying pipes, which are opposite to each other, penetrate through the discharge barrel and extend to the interior of the mixing barrel, the bottom of the discharge barrel is fixedly connected and communicated with the two ends of the top of the U-shaped water pipe, the bottom end of the U-shaped water pipe penetrates through the bottom of the container and extends to the lower part of the container, and movable doors are arranged on the container and the discharge barrel and correspond to the positions of the annular frame and the purifier box.

Preferably, the bottom of the inner wall of the mixing barrel is an inclined plane, and the inclination angle of the bottom of the inner wall of the mixing barrel is 30-40 degrees.

Preferably, the number of the separation rods is eight, and the eight separation rods are arranged on two sides of the side surface of the movable shaft at equal distances by taking four separation rods as a group.

Preferably, the periphery of the outer side wall of the annular frame is provided with semicircular grooves, round balls are sleeved in the semicircular grooves, and one part of each round ball, which is back to the corresponding semicircular groove, is sleeved in an annular rolling groove formed in the inner wall of the discharge barrel.

Preferably, the number of the round beads is twelve, and the twelve round beads are arranged around the outer side wall of the annular frame at equal intervals by taking three round beads as a group.

(III) advantageous effects

The invention provides a domestic sewage pretreatment device, which has the following beneficial effects:

(1) this domestic sewage pretreatment device, through the improvement to preliminary premixing device, when servo motor starts, through driving gear and driven gear, can make two pivots drive the blending hopper respectively and rotate, when sewage gets into the blending hopper inside by the inlet tube, the purifier box is under the drive action of connecting axle, can drive the purifier box and make a round trip to rock, thereby can be with the purifier by defeated agent intraductal inflow blending hopper in, the round trip rotation along with the blending hopper, can make the purifier rapidly and completely melt into in the sewage, thereby can make sewage purification complete.

(2) This domestic sewage pretreatment device through the improvement to the secondary mixing filter equipment, when servo motor starts, can make the loose axle rotate to can make the release lever rotate, in sewage after purifying gets into the emission bucket, can smash the great magazine of granule, after sewage filters through the filter screen, can further improve the cleanliness factor after sewage pretreatment.

Drawings

FIG. 1 is a front cross-sectional view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;

FIG. 3 is a top view of the structural ring slide of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 1 at B in accordance with the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 1 at C according to the present invention;

fig. 6 is a front view of the inventive structure.

In the figure: 1 container, 2 supporting legs, 3U-shaped mounting plates, 4 primary premixing devices, 401 servo motors, 402 driving gears, 403 driven gears, 404 rotating shafts, 405 through holes, 406 annular grooves, 407 arc blocks, 408 mixing barrels, 409 annular sliding rails, 410 sliding blocks, 411 fixing blocks, 412 return springs, 413 vertical shafts, 414 bearings, 415 rotating rods, 416 water inlet pipes, 5 secondary mixing filtering devices, 501 discharge barrels, 502 communicating hoses, 503 movable shafts, 504 circular grooves, 505 balls, 506 annular frames, 507 filter screens, 508 separating rods, 509 purifier boxes, 510 connecting shafts, 511 agent conveying pipes, 512U-shaped water pipes, 513 movable doors, 514 semicircular grooves, 515 circular balls and 516 annular rolling grooves.

Detailed Description

Referring to fig. 1-6, the present invention provides a technical solution: a domestic sewage pretreatment device comprises a container 1, four right-angle positions at the bottom of the container 1 are fixedly connected with supporting legs 2, the top of the container 1 is fixedly connected with a U-shaped mounting plate 3, the bottom of the U-shaped mounting plate 3 is provided with a primary premixing device 4, the bottom of the primary premixing device 4 is positioned in the container 1, the primary premixing device 4 comprises a servo motor 401, an output end of the servo motor 401 is sleeved with a driving gear 402, the driving gear 402 is engaged with driven gears 403 on two sides of the driving gear 402, an axle center position at the bottom of the driven gear 403 is fixedly connected with the top end of a rotating shaft 404, the bottom ends of two rotating shafts 404 respectively penetrate through holes 405 formed on two sides of the top of the container 1 and extend to the inside of the container 1, an annular groove 406 is formed on the inner wall of the through hole 405, two arc blocks 407 are slidably connected in the annular groove 406, and one side, the bottom ends of the two rotating shafts 404 are respectively fixedly connected with the top parts of the two mixing barrels 408 in the container 1, the cambered surfaces of the cambered blocks 407 are attached to the inner wall of the annular groove 406, therefore, the cambered blocks 407 can stably rotate in the annular groove 406, so that the stability of the cambered blocks 407 for supporting the rotating shafts 404 can be improved, two sides of the bottom part of the inner wall of the container 1 are respectively and fixedly connected with an annular slide rail 409, two sliders 410 are connected in the annular slide rail 409 in a sliding manner, two fixed blocks 411 are sleeved on one side of the annular slide rail 409 away from the sliders 410, the opposite sides of the two sliders 410 are respectively and fixedly connected with one side of the two fixed blocks 411 through return springs 412, the top parts of the four sliders 410 are respectively and fixedly connected with two sides of the bottom parts of the two mixing barrels 408 through vertical shafts 413, two sides of the bottom part of the inner wall of the container 1 are, the rotating rod 415 is inserted in the bearing 414, the top ends of the two rotating rods 415 are respectively fixedly connected with the axle centers of the bottoms of the two mixing barrels 408, the bottoms of the mixing barrels 408 are connected with the bearing 414 through the rotating rods 415, the stability of the mixing barrels 408 can be improved, when the mixing barrels 408 drive the sliding blocks 410 to slide in the annular sliding rails 409 through the vertical shafts 413, the return springs 412 can be compressed, the servo motor 401 can be prevented from driving the mixing barrels 408 to rotate excessively, the compressed return springs 412 can improve the return efficiency of the mixing barrels 408, the sliding blocks 410 are connected with the bottoms of the mixing barrels 408 through the vertical shafts 413, the stability of the mixing barrels 408 can be further improved, the bottoms of the inner walls of the mixing barrels 408 are inclined planes, the inclination angle of the bottoms of the inner walls of the mixing barrels 408 is 30-40 degrees, the inclination angle of the bottoms of the inner walls of the mixing barrels 408 is set to be, can make things convenient for sewage to flow out from mixing tub 408, the one end that two mixing tub 408 carried on the back mutually all pegs graft and has inlet tube 416, and the one end that two inlet tube 416 carried on the back mutually runs through the both sides of container 1 respectively and extends to its outside, through the improvement to preliminary premixing device 4, when servo motor 401 starts, through driving gear 402 and driven gear 403, can make two pivot 404 drive mixing tub 408 respectively and rotate, when sewage gets into mixing tub 408 inside from inlet tube 416, purifier box 509 can drive purifier box 509 under the drive of connecting axle 510 and shake back and forth, thus can flow purifying agent into mixing tub 408 from the inner flow of conveying agent pipe 511, along with the back and forth rotation of mixing tub 408, can make purifying agent rapidly and totally melt into sewage, thus can make sewage purify totally, be provided with secondary mixing filter device 5 in the container 1 and the interval that is located in the middle of premixing device 4, the secondary mixing and filtering device 5 comprises a discharge barrel 501, the top and the bottom of the discharge barrel 501 are respectively and fixedly connected with the top and the bottom of the inner wall of the container 1, the two sides of the discharge barrel 501 are respectively connected and communicated with the two sides of two mixing barrels 408 through communicating hoses 502, the clockwise and anticlockwise rotation turns of a servo motor 401 are set in advance through a computer, therefore, the clockwise and anticlockwise rotation turns do not exceed the movable range of the mixing barrels 408, because a water inlet pipe 416 is connected with one side of the mixing barrels 408, the mixing barrels 408 are also connected with the discharge barrel 501 through connecting hoses, therefore, the mixing barrels 408 are not suitable for large-amplitude rotation, a movable shaft 503 is sleeved in the discharge barrel 501, a circular groove 504 is formed in the bottom of the movable shaft 503, a ball 505 is sleeved in the circular groove 504, the bottom of the side surface of the ball 505 is lapped at the bottom of the inner wall of the discharge barrel, a filter screen 507 is sleeved in the annular frame 506, semicircular grooves 514 are formed in the periphery of the outer side wall of the annular frame 506, round balls 515 are sleeved in the semicircular grooves 514, a part of each round ball 515, which is opposite to the semicircular grooves 514, is sleeved in an annular rolling groove 516 formed in the inner wall of the discharge barrel 501, the number of the round balls 515 is twelve, the twelve round balls 515 are arranged around the outer side wall of the annular frame 506 in a group of three round balls at equal intervals respectively, the annular frame 506 is fixedly sleeved on the movable shaft 503, four groups of the round balls 515 enable the annular frame 506 to stably rotate in the discharge barrel 501, the outer side wall of the annular frame 506 is overlapped on the inner wall of the discharge barrel 501, the annular frame 506 can stably rotate by matching with the use of the annular rolling grooves 516, separating rods 508 are fixedly connected to two sides of the side surface of the movable shaft 503, the number of the separating rods 508 is eight, and the eight separating rods 508 are arranged on two sides of the side surface of the movable, the top end of the movable shaft 503 is connected with a detergent box 509, the top of the detergent box 509 is fixedly connected with the bottom end of a connecting shaft 510, the connecting shaft 510 sequentially penetrates through the top of the discharge barrel 501 and the top of the container 1 from bottom to top and is fixedly connected with the output end of the servo motor 401, two sides of the detergent box 509 are fixedly connected with one end of each of two delivery pipes 511, the opposite ends of the two delivery pipes 511 penetrate through the discharge barrel 501 and extend into the mixing barrel 408, the bottom of the discharge barrel 501 is fixedly connected and communicated with two ends of the top of the U-shaped water pipe 512, the bottom end of the U-shaped water pipe 512 penetrates through the bottom of the container 1 and extends to the lower part of the container, movable doors 513 are arranged on the container 1 and the discharge barrel 501 and correspond to the positions of the annular frame 506 and the detergent box 509, the movable doors 513 can conveniently add a detergent into the detergent box 509 and can conveniently clean impurities on the filter screen 507, through the improvement to secondary mixing filter device 5, when servo motor 401 started, can make loose axle 503 rotate to can make the separator bar 508 rotate, in sewage after purifying got into and discharges bucket 501, can smash the great magazine of granule, after sewage filters through filter screen 507, can further improve the cleanliness after the sewage preliminary treatment.

The working principle is as follows: inlet tube 416 is connected with domestic sewage's blow off pipe, at first start servo motor 401, can drive two driven gear 403 rotations through driving gear 402, thereby can make pivot 404 drive cambered surface piece 407 at ring channel 406 internal rotation, because servo motor 401 can carry out clockwise or anticlockwise rotation, thereby can make blending bin 408 carry out clockwise or anticlockwise rotation, at this moment, blending bin 408 can carry out the rotation about, and connecting axle 510 can drive purifier box 509 and rotate, at this moment, the inside purifying agent of purifier box 509 can be by defeated agent pipe 511 entering mixing box in, can make purifier box 509 dissolve in sewage fast.

Then, purified sewage enters the discharge barrel 501 through the communication hose 502, the connecting shaft 510 drives the movable shaft 503 to rotate clockwise and anticlockwise alternately through the purifying agent box 509, the separating rod 508 can crush magazines in the sewage in real time, and then the sewage penetrates through the filter screen 507 and is finally discharged through the U-shaped water pipe 512.

Claims

1. The utility model provides a domestic sewage pretreatment device, includes container (1), its characterized in that: the four right-angle positions of the bottom of the container (1) are fixedly connected with supporting legs (2), the top of the container (1) is fixedly connected with a U-shaped mounting plate (3), a primary premixing device (4) is arranged at the bottom of the U-shaped mounting plate (3), the bottom of the primary premixing device (4) is positioned in the container (1), and a secondary mixing and filtering device (5) is arranged in the container (1) and in the middle of the primary premixing device (4) at intervals;

the preliminary premixing device (4) comprises a servo motor (401), the output end of the servo motor (401) is sleeved with a driving gear (402), the driving gear (402) is meshed with driven gears (403) on two sides of the driving gear (402), the axis of the bottom of the driven gear (403) is fixedly connected with the top end of a rotating shaft (404), the bottom ends of the two rotating shafts (404) respectively penetrate through holes (405) formed in two sides of the top of the container (1) and extend into the container (1), an annular groove (406) is formed in the inner wall of the through holes (405), two cambered surface blocks (407) are connected in the annular groove (406) in a sliding mode, one opposite sides of the two cambered surface blocks (407) are fixedly connected with two sides of the side surface of the rotating shaft (404), the bottom ends of the two rotating shafts (404) are fixedly connected with the tops of two mixing barrels (408) in the container (1) respectively, the container is characterized in that two sides of the bottom of the inner wall of the container (1) are fixedly connected with annular slide rails (409), two sliders (410) are connected in the annular slide rails (409) in a sliding manner, one side of each annular slide rail (409) far away from the corresponding slider (410) is sleeved with two fixed blocks (411), the back-to-back sides of the two sliders (410) are fixedly connected with one sides of the two fixed blocks (411) through return springs (412), the tops of the four sliders (410) are in a group of two, and are fixedly connected with two sides of the bottom of two mixing barrels (408) through vertical shafts (413), bearings (414) are embedded in the two sides of the bottom of the inner wall of the container (1) and are respectively located in the two annular slide rails (409), rotating rods (415) are inserted in the bearings (414), and the top ends of the two rotating rods (415) are fixedly connected with the axle centers of the bottoms of the two mixing barrels (408, water inlet pipes (416) are inserted into the opposite ends of the two mixing barrels (408), and the opposite ends of the two water inlet pipes (416) respectively penetrate through the two sides of the container (1) and extend to the outside of the container;

the secondary mixing and filtering device (5) comprises a discharge barrel (501), the top and the bottom of the discharge barrel (501) are fixedly connected with the top and the bottom of the inner wall of the container (1) respectively, the two sides of the discharge barrel (501) are respectively connected and communicated with the two sides of two mixing barrels (408) through communicating hoses (502), a movable shaft (503) is sleeved in the discharge barrel (501), a circular groove (504) is formed in the bottom of the movable shaft (503), a ball (505) is sleeved in the circular groove (504), the bottom of the side surface of the ball (505) is lapped at the bottom of the inner wall of the discharge barrel (501), an annular frame (506) is sleeved on the movable shaft (503), a filter screen (507) is sleeved in the annular frame (506), separating rods (508) are fixedly connected with the two sides of the side surface of the movable shaft (503), and the top end of the movable shaft (503) is connected with a purifying box (509), the top of the detergent box (509) is fixedly connected with the bottom end of a connecting shaft (510), the connecting shaft (510) sequentially penetrates through the top of the discharge barrel (501) and the top of the container (1) from bottom to top and is fixedly connected with the output end of the servo motor (401), two sides of the purifying agent box (509) are respectively fixedly connected with one end of the two agent conveying pipes (511), and the opposite ends of the two agent conveying pipes (511) penetrate through the discharging barrel (501) and extend to the interior of the mixing barrel (408), the bottom of the discharge barrel (501) is fixedly connected and communicated with the two ends of the top of the U-shaped water pipe (512), the bottom end of the U-shaped water pipe (512) penetrates through the bottom of the container (1) and extends to the lower part of the container, and movable doors (513) are arranged on the container (1) and the discharge barrel (501) and correspond to the positions of the annular frame (506) and the detergent box (509).

2. The domestic sewage pretreatment apparatus according to claim 1, wherein: the bottom of the inner wall of the mixing barrel (408) is an inclined plane, and the inclination angle of the bottom of the inner wall of the mixing barrel (408) is 30-40 degrees.

3. The domestic sewage pretreatment apparatus according to claim 1, wherein: the number of the separating rods (508) is eight, and the eight separating rods (508) are respectively arranged on two sides of the side surface of the movable shaft (503) at equal distance by taking four separating rods as a group.

4. The domestic sewage pretreatment apparatus according to claim 1, wherein: semicircular groove (514) have all been seted up all around of ring frame (506) lateral wall, and have cup jointed ball (515) in semicircular groove (514), partly cup joint the annular rolling groove (516) of seting up on emission bucket (501) inner wall that partly that ball (515) and semicircular groove (514) carried on the back mutually.

5. The domestic sewage pretreatment apparatus according to claim 4, wherein: the number of the round beads (515) is twelve, and the twelve round beads (515) are arranged around the outer side wall of the annular frame (506) at equal intervals by taking three round beads as a group.