Municipal administration is sewage pretreatment device for water supply and drainage
Technical Field
The utility model relates to a sewage pretreatment technical field especially relates to a municipal administration is sewage pretreatment device for water supply and drainage.
Background
For urban sewage centralized treatment plants and sewage treatment plants dispersed in pollution sources, the pretreatment mainly comprises treatment facilities such as a grid, a screen, a grit chamber, a sand-water separator and the like. In addition to the above general pretreatment, some industrial wastewater needs to be treated by adjusting water quality and water quantity and some other special pretreatments, such as neutralization, pre-settling, pre-aeration, etc., before entering a centralized or decentralized wastewater treatment plant. If the pretreatment process does not reach the standard, excessive grid slag is caused, and the loss of subsequent treatment equipment is large. After retrieval: the utility model discloses an authorization publication number is CN215250105U sewage pretreatment of water for municipal administration, and this design realizes the preliminary treatment of sewage through setting up heating pipe, rabbling mechanism, adding medicine mechanism, first filter screen and the common cooperation of second filter screen, through setting up the quick connection of this device and municipal administration water supply and drainage, sewage pretreatment is effectual, and the practicality is strong.
Although a sewage pretreatment device for municipal water supply and drainage in the aforesaid can be fine carry out the preliminary treatment to sewage, nevertheless add the medicine mechanism and can not the quantitative interpolation medicament, if add too much easily cause the waste of medicament, add too little and reduced sewage treatment's effect again, the filter screen is easily blockked up to impurity in the long-time use sewage simultaneously for sewage treatment can't normally go on, therefore we have proposed a sewage pretreatment device for municipal water supply and drainage and have been used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects in the prior art and providing a sewage pretreatment device for municipal water supply and drainage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a municipal sewage pretreatment device for water supply and drainage comprises a box body and a barrel body fixedly communicated with the top of the box body, wherein a stirring motor is fixedly arranged at the top of the barrel body, a rotating shaft is fixedly arranged on an output shaft of the stirring motor, a plurality of stirring blades are fixedly arranged on the outer side of the rotating shaft, a medicament barrel is fixedly arranged at the top of the barrel body, a rotating motor is fixedly arranged at the top of the medicament barrel, a vertical shaft is fixedly arranged on the output shaft of the rotating motor, a shielding disc is fixedly arranged at the bottom end of the vertical shaft, two medicament discharging holes are formed in the top of the shielding disc, two medicament discharging pipes are fixedly communicated between the medicament barrel and the barrel body and are respectively communicated with the corresponding medicament discharging holes, a servo motor is fixedly arranged on the front side of the box body, two conveying rollers are rotatably arranged on the inner walls of the front side and the rear side of the box body, and the same filter mesh belt is rotatably connected on the two conveying rollers, the fixed front end that sets up at the transfer roller that corresponds of servo motor's output shaft, the sliding tray has been seted up on one side inner wall of box, the fixed reset spring that is provided with on one side inner wall of sliding tray, the fixed sliding plate that is provided with of reset spring's one end, one side of sliding plate is fixed to be provided with scrapes the flitch, the outside at the filter screen area of one side activity butt of scraping the flitch, the box internal activity is provided with collects the box, a plurality of through-holes have been seted up to the bottom of collecting the box.
Preferably, an opening is formed in one side of the box body, and the collection box is sleeved in the opening in a sliding mode.
Preferably, the top of the barrel is fixedly communicated with a sewage inlet pipe, the bottom of the other side of the box body is fixedly communicated with a sewage discharge pipe, and the top of the medicament barrel is fixedly communicated with a medicament feeding pipe.
Preferably, a plurality of round holes are formed in the front side of the stirring blade.
Preferably, the sliding plate is slidably sleeved in the sliding groove.
Preferably, a supporting plate is fixedly arranged at the bottom of the servo motor and fixedly arranged on the front side of the box body.
Preferably, a handle is fixedly arranged on one side of the collecting box.
In the utility model, the sewage pretreatment device for municipal water supply and drainage can periodically carry out quantitative dosing through the matching of the rotating motor, the vertical shaft, the shielding plate, the dosing hole and the dosing pipe, so that the amount of the reagent injected into the sewage is just right, and the sewage and the reagent can be stirred and mixed through the matching of the stirring motor, the rotating shaft and the stirring blades, thereby improving the sewage treatment effect;
in the utility model, the sewage pretreatment device for municipal water supply and drainage not only can filter the impurities in the sewage, but also can timely scrape the impurities on the filter screen belt down to the collecting box for collecting treatment by the cooperation of the servo motor, the conveying roller, the filter screen belt, the scraping plate, the sliding plate, the reset spring, the collecting box and the through hole, thereby avoiding the filter screen belt from being blocked and reducing the filtering efficiency and effect;
the utility model has the advantages of reasonable design, through rotating electrical machines, the vertical axis, hide the cooperation of keeping off dish, dosing hole and dosing pipe, can be periodic carry out quantitative lower medicament for the quantity of the medicament of pouring into in the sewage just in time is suitable, through servo motor, transfer roller, filter screen area, scrape flitch, sliding plate, reset spring, the cooperation of collecting box and through-hole, not only can filter the impurity in the sewage, still can be timely the impurity on the filter screen area is fallen for clearing up, has guaranteed sewage treatment's normal clear away.
Drawings
Fig. 1 is a schematic structural view of a municipal water supply and drainage sewage pretreatment device provided by the utility model;
FIG. 2 is a cross-sectional view of a municipal water supply and drainage sewage pretreatment device provided by the present invention;
fig. 3 is a schematic structural view of a part a of a municipal water supply and drainage sewage pretreatment device provided by the present invention;
fig. 4 is a schematic structural diagram of a part B of the municipal water supply and drainage sewage pretreatment device provided by the utility model.
In the figure: 1. a box body; 2. a barrel; 3. a sewage inlet pipe; 4. a sewage draining pipe; 5. a stirring motor; 6. a rotating shaft; 7. a stirring blade; 8. a circular hole; 9. a servo motor; 10. a conveying roller; 11. a medicament cartridge; 12. a rotating electric machine; 13. a medicine feeding pipe; 14. a vertical axis; 15. a medicine feeding pipe; 16. a shield plate; 17. a medicine feeding hole; 18. a filter screen belt; 19. a scraping plate; 20. a collection box; 21. a through hole; 22. an opening; 23. a sliding groove; 24. a return spring; 25. a sliding plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a municipal sewage pretreatment device for water supply and drainage comprises a box body 1 and a cylinder body 2 fixedly communicated with the top of the box body 1, wherein a stirring motor 5 is fixedly arranged at the top of the cylinder body 2, a rotating shaft 6 is fixedly arranged on an output shaft of the stirring motor 5, a plurality of stirring blades 7 are fixedly arranged on the outer side of the rotating shaft 6, a medicament cylinder 11 is fixedly arranged at the top of the cylinder body 2, a rotating motor 12 is fixedly arranged at the top of the medicament cylinder 11, a vertical shaft 14 is fixedly arranged on the output shaft of the rotating motor 12, a shielding disc 16 is fixedly arranged at the bottom end of the vertical shaft 14, two medicament discharge holes 17 are formed in the top of the shielding disc 16, two medicament discharge tubes 15 are fixedly communicated between the medicament cylinder 11 and the cylinder body 2, the two medicament discharge tubes 15 are respectively communicated with the corresponding medicament discharge holes 17, the vertical shaft 14 is driven to rotate by the rotating motor 12, the vertical shaft 14 drives the shielding disc 16 and the medicament discharge holes 17 to rotate, further, the medicine feeding holes 17 are periodically communicated with the medicine feeding pipe 15, so that quantitative medicine feeding can be periodically carried out, further, the amount of the medicine injected into the sewage is just right, the sewage treatment effect is ensured, the rotation of the rotating shaft 6 and the stirring blades 7 is driven by the stirring motor 5, further, the sewage and the medicine can be fully stirred, mixed and contacted, and the sewage treatment effect is improved;
a servo motor 9 is fixedly arranged on the front side of the box body 1, two conveying rollers 10 are rotatably arranged on the inner walls of the front side and the rear side of the box body 1, the two conveying rollers 10 are in transmission connection with the same filter screen belt 18, an output shaft of the servo motor 9 is fixedly arranged at the front end of the corresponding conveying roller 10, a sliding groove 23 is formed in the inner wall of one side of the box body 1, a reset spring 24 is fixedly arranged on the inner wall of one side of the sliding groove 23, a sliding plate 25 is fixedly arranged at one end of the reset spring 24, a scraping plate 19 is fixedly arranged on one side of the sliding plate 25, one side of the scraping plate 19 is movably abutted against the outer side of the filter screen belt 18, a collecting box 20 is movably arranged in the box body 1, a plurality of through holes 21 are formed in the bottom of the collecting box 20, the conveying rollers 10 and the filter screen belt 18 are driven by the servo motor 9, not only can filter impurities in sewage, but also can be conveyed to the position of the scraping plate 19 from right to left, through the setting of reset spring 24 for scrape flitch 19 and the outside contact of screen area 18 all the time, and then can be fine give the impurity on the screen area 18 and scrape and fall to collection box 20 in, moisture in the impurity flows back to in the box 1 from through-hole 21 once more.
The utility model discloses in, opening 22 has been seted up to one side of box 1, collects box 20 slip cover and establishes in opening 22, is convenient for get getting of collecting box 20 and puts, is convenient for regularly clear up the impurity in the collecting box 20.
The utility model discloses in, the fixed intercommunication in top of barrel 2 has into sewage pipe 3, and the fixed intercommunication in opposite side bottom of box 1 has blow off water pipe 4, and the fixed intercommunication in top of medicament section of thick bamboo 11 has dosing pipe 13, and the business turn over sewage of the device of being convenient for is convenient for add the medicine to medicament section of thick bamboo 11 simultaneously.
The utility model discloses in, stirring vane 7's front side is opened and is equipped with a plurality of round holes 8, through round hole 8, has reduced stirring vane 7's resistance, and then makes the energy consumption littleer.
The utility model discloses in, sliding plate 25 sliding sleeve establishes in sliding tray 23, is convenient for lead sliding plate 25, makes its more steady that removes.
The utility model discloses in, servo motor 9's the fixed backup pad that is provided with in bottom, the fixed setting in front side of box 1 of backup pad is convenient for support servo motor 9 fixedly, makes its work more stable.
The utility model discloses in, collect the fixed handle that is provided with in one side of box 20, the personnel of being convenient for pull out and collect box 20.
In the utility model, during operation, sewage to be treated is injected into the cylinder body 2 through the sewage inlet pipe 3, the rotating motor 12 drives the vertical shaft 14 to rotate, the vertical shaft 14 drives the shielding disc 16 and the medicine feeding hole 17 to rotate, the medicine feeding hole 17 is periodically communicated with the medicine feeding pipe 15, further quantitative medicine feeding can be periodically carried out, further the amount of the medicine injected into the sewage is just right, the sewage treatment effect is ensured, the rotation of the rotating shaft 6 and the stirring blade 7 is driven through the stirring motor 5, further, the sewage and the medicine can be fully stirred, mixed and contacted, the sewage treatment effect is improved, the resistance of the stirring blade 7 is reduced through the round hole 8, further, the energy consumption is smaller, the conveying roller 10 and the filter screen belt 18 are driven through the servo motor 9, impurities in the sewage can be filtered through the operating filter screen belt 18, still can be from right side to left the position of carrying scraping plate 19 of impurity for scraping plate 19 and the outside contact of filter screen area 18 all the time through reset spring 24's setting, and then can be fine in giving the impurity on filter screen area 18 and scraping and falling collection box 20, in the moisture in the impurity flowed back to box 1 once more from through-hole 21, the sewage after final filtration was discharged from sewage pipe 4.