CN215756804U

CN215756804U - A sewage pretreatment device for municipal administration plumbing

Info

Publication number: CN215756804U
Application number: CN202122056803.7U
Authority: CN
Inventors: 王永欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-02-08
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a sewage pretreatment device for municipal water supply and drainage, which relates to the technical field of municipal water supply and drainage. A liquid inlet pipe is connected to one side of the top of the tank, and a first slag discharge pipe, a second slag discharge pipe and a third slag discharge pipe are sequentially connected with the first slag discharge pipe, the second slag discharge pipe and the third slag discharge pipe from the top to the bottom on the side of the impurity removal box away from the liquid inlet pipe, and the impurities are removed. Inside the box, a first filter screen, a second filter screen and a third filter screen are fixedly installed in sequence from top to bottom. In the utility model, the sewage treatment device integrates impurity removal and purification design, which not only reduces the floor space, but also reduces the time consumed between the two processes. The sewage treatment device realizes the filtration of three-level solid impurities. Function, increase the filtering effect, and increase the mixing effect of sewage and water treatment agent, that is, increase the purification effect of sewage.

Description

A sewage pretreatment device for municipal administration plumbing

Technical Field

The utility model relates to the technical field of municipal water supply and drainage, in particular to a sewage pretreatment device for municipal water supply and drainage.

Background

Municipal works refer to municipal infrastructure construction works, and in China, municipal infrastructures refer to various buildings, structures, equipment and the like which are arranged in planning construction ranges of urban areas and towns (villages) and provide paid or uncompensated public products and services for residents based on government responsibilities and obligations; the water supply and drainage system is a general term for providing water supply and wastewater drainage facilities for life, production, municipal administration and prevention and elimination of people. For sewage of municipal water supply and drainage, a sewage pretreatment device is often required to treat the sewage.

However, in the prior art, most sewage pretreatment devices for municipal water supply and drainage can only realize primary filtration of solid particle impurities, so that the filtering effect is poor, and the impurity removal and purification processes of most sewage pretreatment devices are separated, so that the occupied area of the device is increased, and the time consumed between the two processes is also increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sewage pretreatment device for municipal water supply and drainage, which solves the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a sewage pretreatment device for municipal water supply and drainage comprises an impurity removal box and a purification barrel, wherein the impurity removal box is arranged above the purification barrel, one side of the top of the impurity removal box is communicated with a liquid inlet pipe, one side of the impurity removal box, which is far away from the liquid inlet pipe, is sequentially communicated with a first slag discharge pipe, a second slag discharge pipe and a third slag discharge pipe from top to bottom, a first filter screen, a second filter screen and a third filter screen are fixedly installed in the impurity removal box from top to bottom, a connecting pipe is arranged between the impurity removal box and the purification barrel, the upper part of one side of the impurity removal box is communicated with a medicament pipe, the bottom of the impurity removal box is communicated with a liquid discharge pipe, a solenoid valve is arranged on the liquid discharge pipe, a stirring motor is fixedly installed on one side of the purification barrel, a first stirring shaft is arranged on the front side of the interior of the purification barrel, a second stirring shaft is arranged on the rear side of the interior of the purification barrel, and a plurality of first stirring blades are fixedly connected to the outer surface of the first stirring shaft, and the outer surface of one side of the first stirring shaft is fixedly connected with a driving gear, the outer surface of the second stirring shaft is fixedly connected with a plurality of second stirring blades, and the outer surface of one side of the second stirring shaft is fixedly connected with a driven gear.

As a further scheme of the utility model: the bilateral symmetry fixedly connected with ring of purification bucket surface, the upside fixedly connected with bracing piece of ring, and the downside fixedly connected with supporting leg of ring, the top of bracing piece and the bottom fixed connection of edulcoration case, the bottom of supporting leg is provided with the slipmat.

As a still further scheme of the utility model: first filter screen, second filter screen and third filter screen are 20 with the contained angle of horizontal plane, and the hole of first filter screen, second filter screen and third filter screen reduces in proper order, the minimum at first row's sediment socle portion inner wall and first filter screen top is in same height, the minimum at sediment socle portion inner wall and second filter screen top is in same height to the second row, the minimum at sediment socle portion inner wall and third filter screen top is in same height to the third row.

As a still further scheme of the utility model: the impurity removing box is communicated with the purifying barrel through a connecting pipe.

As a still further scheme of the utility model: one end of the first stirring shaft penetrates through one side of the purification barrel and is fixedly connected with the output end of the stirring motor, the other end of the first stirring shaft is connected with the inner wall of the purification barrel through a bearing, a sealing ring is arranged at the contact position of the first stirring shaft and the purification barrel, two ends of the second stirring shaft are respectively connected with the inner walls of two sides of the purification barrel through bearings, and the driving gear is meshed with the driven gear.

As a still further scheme of the utility model: the outer wall of purification bucket is provided with the switch, the switch is external to have the power, solenoid valve and agitator motor all pass through wire electric connection with the switch.

Compared with the prior art, the utility model has the beneficial effects that: this sewage treatment plant will edulcoration and purification integrated design, area has both been reduced, the time that consumes between two processes has been reduced again, through first filter screen, the second filter screen, the third filter screen, first scum pipe, cooperation between second scum pipe and the third scum pipe is used, the filtering capability of tertiary solid impurity has been realized, the filter effect has been increased, and pass through agitator motor, first (mixing) shaft, the driving gear, cooperation between driven gear and the second (mixing) shaft is used, drive first stirring leaf and second stirring leaf and move in opposite directions, the mixed effect of sewage and water treatment agent has been increased, the purifying effect of sewage has been increased promptly.

Drawings

Fig. 1 is a schematic view showing a sewage pretreatment apparatus for municipal water supply and drainage.

Fig. 2 is a sectional view of a front view of a sewage pretreatment device for municipal water supply and drainage.

Fig. 3 is a cross-sectional view of a side view of a purification tank in a sewage pretreatment device for municipal water supply and drainage.

The labels in the figure are: 1. an impurity removal box; 2. a purifying barrel; 3. a switch; 4. a circular ring; 5. a support bar; 6. supporting legs; 7. a first slag discharge pipe; 8. a second slag discharge pipe; 9. a third slag discharge pipe; 10. a liquid inlet pipe; 11. a connecting pipe; 12. a liquid discharge pipe; 13. a drug tube; 14. an electromagnetic valve; 15. a stirring motor; 16. a first filter screen; 17. a second filter screen; 18. a third filter screen; 19. a first stirring shaft; 20. a first stirring blade; 21. a driving gear; 22. a second stirring shaft; 23. a second stirring blade; 24. a driven gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, in the embodiment of the utility model, a sewage pretreatment device for municipal water supply and drainage comprises an impurity removal box 1 and a purification barrel 2, wherein the impurity removal box 1 is arranged above the purification barrel 2, one side of the top of the impurity removal box 1 is communicated with a liquid inlet pipe 10, one side of the impurity removal box 1, which is far away from the liquid inlet pipe 10, is sequentially communicated with a first slag discharge pipe 7, a second slag discharge pipe 8 and a third slag discharge pipe 9 from top to bottom, a first filter screen 16, a second filter screen 17 and a third filter screen 18 are sequentially and fixedly arranged in the impurity removal box 1 from top to bottom, a connecting pipe 11 is arranged between the impurity removal box 1 and the purification barrel 2, the upper part of one side of the impurity removal box 1 is communicated with a chemical pipe 13, the bottom of the impurity removal box 1 is communicated with a liquid discharge pipe 12, an electromagnetic valve 14 is arranged on the liquid discharge pipe 12, one side of the purification barrel 2 is fixedly provided with a stirring motor 15, the front side of the interior of the purification barrel 2 is provided with a first stirring shaft 19, and the inside rear side of purifying barrel 2 is provided with second (mixing) shaft 22, and the fixed surface of first (mixing) shaft 19 is connected with a plurality of first stirring leaf 20, and the fixed surface of one side of first (mixing) shaft 19 is connected with driving gear 21, and the fixed surface of second (mixing) shaft 22 is connected with a plurality of second stirring leaf 23, and the fixed surface of one side of second (mixing) shaft 22 is connected with driven gear 24.

Referring to fig. 1 and 2, the two sides of the outer surface of the purification barrel 2 are symmetrically and fixedly connected with a circular ring 4, the upper side of the circular ring 4 is fixedly connected with a support rod 5, the lower side of the circular ring 4 is fixedly connected with a support leg 6, the top of the support rod 5 is fixedly connected with the bottom of the impurity removal box 1, the bottom of the support leg 6 is provided with an anti-slip pad, the impurity removal box 1 and the purification barrel 2 are integrated into a whole, and the occupied area is reduced.

Referring to fig. 2, the included angles between the first filter 16, the second filter 17 and the third filter 18 and the horizontal plane are all 20 degrees, and the pores of the first filter screen 16, the second filter screen 17 and the third filter screen 18 are sequentially reduced, the inner wall of the bottom of the first slag discharging pipe 7 and the lowest point of the top of the first filter screen 16 are at the same height, the inner wall of the bottom of the second slag discharging pipe 8 and the lowest point of the top of the second filter screen 17 are at the same height, the inner wall of the bottom of the third slag discharging pipe 9 and the lowest point of the top of the third filter screen 18 are at the same height, the first filter screen 16, the second filter screen 17 and the third filter screen 18 are used for respectively blocking large, medium and small particle solid impurities, and large, medium and small particle solid impurities are discharged through the first slag discharge pipe 7, the second slag discharge pipe 8 and the third slag discharge pipe 9 respectively, so that the filtering function of three-stage solid impurities is realized, and the filtering effect is increased.

Referring to fig. 1 and 2, the impurity removing box 1 is communicated with the purifying barrel 2 through a connecting pipe 11, so that the sewage after impurity removal can enter the purifying barrel 2 for purification.

Referring to fig. 2 and 3, one end of the first stirring shaft 19 penetrates one side of the purification barrel 2 and is fixedly connected to the output end of the stirring motor 15, the other end of the first stirring shaft 19 is connected to the inner wall of the purification barrel 2 through a bearing, a sealing ring is disposed at a contact position of the first stirring shaft 19 and the purification barrel 2, two ends of the second stirring shaft 22 are respectively connected to the inner walls of two sides of the purification barrel 2 through bearings, and the driving gear 21 is meshed with the driven gear 24, so that the first stirring blade 20 and the second stirring blade 23 rotate oppositely, the mixing effect of the sewage and the water treatment agent is increased, that is, the purification effect of the sewage is increased.

Referring to fig. 1, a switch 3 is arranged on the outer wall of the purification barrel 2, the switch 3 is externally connected with a power supply, and the electromagnetic valve 14, the stirring motor 15 and the switch 3 are electrically connected through a wire, so that the operation of the electromagnetic valve 14 and the stirring motor 15 is conveniently controlled.

The working principle of the utility model is as follows: in the using process, firstly, the sewage pipe is communicated with the liquid inlet pipe 10, after sewage enters the impurity removing box 1, large-particle solid impurities are separated through the first filter screen 16, medium-particle solid impurities are separated through the second filter screen 17, small-particle solid impurities are separated through the third filter screen 18, and the large, medium and small-particle solid impurities are discharged through the first slag discharging pipe 7, the second slag discharging pipe 8 and the third slag discharging pipe 9 respectively, so that the filtering function of three-stage solid impurities is realized, and the filtering effect is increased; filtered sewage passes through the inside that connecting pipe 11 got into purification barrel 2, inject proper amount of water treatment agent into purification barrel 2 inside through medicament pipe 13 this moment, then control agitator motor 15 work through switch 3, agitator motor 15 does work and drives first (mixing) shaft 19 and rotate, first (mixing) shaft 19 drives first stirring leaf 20 and rotates, and first (mixing) shaft 19 drives second (mixing) shaft 22 through driving gear 21 and driven gear 24 and rotates mutually, second (mixing) shaft 22 drives second stirring leaf 23 and rotates mutually, the mixed effect of sewage and water treatment agent has been increased, the purifying effect of sewage has been increased promptly, open solenoid valve 14 at last and pass through fluid-discharge tube 12 with the sewage after purifying and discharge.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a sewage pretreatment device for municipal administration plumbing, includes edulcoration case (1) and purification bucket (2), its characterized in that: the purification device is characterized in that the impurity removing box (1) is arranged above the purification barrel (2), one side of the top of the impurity removing box (1) is communicated with a liquid inlet pipe (10), one side of the impurity removing box (1), which is far away from the liquid inlet pipe (10), is sequentially communicated with a first slag discharge pipe (7), a second slag discharge pipe (8) and a third slag discharge pipe (9) from top to bottom, a first filter screen (16), a second filter screen (17) and a third filter screen (18) are sequentially and fixedly arranged in the impurity removing box (1) from top to bottom, a connecting pipe (11) is arranged between the impurity removing box (1) and the purification barrel (2), the upper part of one side of the impurity removing box (1) is communicated with a medicament pipe (13), the bottom of the impurity removing box (1) is communicated with a liquid discharge pipe (12), an electromagnetic valve (14) is arranged on the liquid discharge pipe (12), and a stirring motor (15) is fixedly arranged on one side of the purification barrel (2), the inside front side of purifying barrel (2) is provided with first (mixing) shaft (19), and the inside rear side of purifying barrel (2) is provided with second (mixing) shaft (22), the first stirring leaf (20) of a plurality of fixed surface of first (mixing) shaft (19), and one side fixed surface of first (mixing) shaft (19) is connected with driving gear (21), the fixed surface of second (mixing) shaft (22) is connected with a plurality of second stirring leaf (23), and one side fixed surface of second (mixing) shaft (22) is connected with driven gear (24).

2. A sewage pretreatment device for municipal water supply and drainage according to claim 1, characterized in that: the bilateral symmetry fixedly connected with ring (4) of purification bucket (2) surface, upside fixedly connected with bracing piece (5) of ring (4), and downside fixedly connected with supporting leg (6) of ring (4), the top of bracing piece (5) and the bottom fixed connection of edulcoration case (1), the bottom of supporting leg (6) is provided with the slipmat.

3. A sewage pretreatment device for municipal water supply and drainage according to claim 1, characterized in that: first filter screen (16), second filter screen (17) and third filter screen (18) are 20 with the contained angle of horizontal plane, and the hole of first filter screen (16), second filter screen (17) and third filter screen (18) reduces in proper order, first row's sediment pipe (7) bottom inner wall is in same height with the minimum at first filter screen (16) top, sediment pipe (8) bottom inner wall is in same height with the minimum at second filter screen (17) top is arranged to the second, sediment pipe (9) bottom inner wall is in same height with the minimum at third filter screen (18) top is arranged to the third.

4. A sewage pretreatment device for municipal water supply and drainage according to claim 1, characterized in that: the impurity removing box (1) is communicated with the purifying barrel (2) through a connecting pipe (11).

5. A sewage pretreatment device for municipal water supply and drainage according to claim 1, characterized in that: the one end of first (mixing) shaft (19) run through in one side of purifying barrel (2) and with the output fixed connection of agitator motor (15), and the other end of first (mixing) shaft (19) passes through the bearing with the inner wall of purifying barrel (2) and is connected, the contact site of first (mixing) shaft (19) and purifying barrel (2) is provided with the sealing washer, the both ends of second (mixing) shaft (22) pass through the bearing with the both sides inner wall of purifying barrel (2) respectively and are connected, driving gear (21) are connected with driven gear (24) meshing.

6. A sewage pretreatment device for municipal water supply and drainage according to claim 1, characterized in that: the outer wall of purification bucket (2) is provided with switch (3), switch (3) are external to have the power, solenoid valve (14) and agitator motor (15) all pass through wire electric connection with switch (3).