CN213294711U

CN213294711U - Medicine quantitative supply device for sewage treatment

Info

Publication number: CN213294711U
Application number: CN202021068988.2U
Authority: CN
Inventors: 李会东; 王之夏; 陈晨; 崔凤娇; 刘欣欣
Original assignee: Inner Mongolia University of Technology
Current assignee: Inner Mongolia University of Technology
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-05-28
Anticipated expiration: 2030-06-11

Abstract

The utility model provides a medicine ration feeding device for sewage treatment, including stirring cartridge case and dosing pump, the axle center position of stirring cartridge case runs through there is hollow rotating shaft, hollow rotating shaft's inner is airtight, and rotate and support in stirring cartridge case water outlet, hollow rotating shaft's outer end then is located outside the stirring cartridge case, and be provided with driven gear, hollow rotating shaft's outer end tip intercommunication has rotary joint, driven gear and gear motor drive pivoted driving gear mesh mutually, the hollow rotating shaft lateral wall in the stirring cartridge case evenly distributes the spray tube of many pairs of spouts, the hollow rotating shaft at delivery port position is fixed with the palirrhea blade towards spray tube propelling movement liquid, dosing pump's the end of intaking and external medical kit bottom intercommunication, rotary joint still is provided with air inlet joint. The utility model discloses not only have the effect of mixing stirring medicament and sewage, but also have the aeration function, combine the rivers that the aeration produced, more be favorable to making liquid medicine and sewage mix, play and add the medicine effect better.

Description

Medicine quantitative supply device for sewage treatment

Technical Field

The utility model relates to a sewage treatment technical field, a medicine ration feeding device for sewage treatment specifically says so.

Background

Along with the rapid development of social economy, the urban living standard is also improved, the discharge amount of sewage is also increased while the urban water consumption is increased, the composition of the sewage is also complicated, the water environment is polluted, other surrounding environments are seriously affected, and the urban sewage treatment work becomes important content for sustainable development of cities. The main components of the urban domestic sewage are organic sewage, inorganic sewage and comprehensive sewage. The organic sewage refers to that pollutants in the sewage are mainly organic substances and generally have biodegradability; inorganic sewage generally takes inorganic pollutants as main materials, and mainly comprises sodium chloride, iron ions, calcium ions and the like; the comprehensive sewage refers to the sewage containing both organic pollutants and inorganic pollutants. And the content of the two components is very high, and the pollution components are mutually crossed, so that very serious pollution is brought to a water source, and the work and the life of residents are influenced.

On one hand, the water pollution in China is aggravated, the water pollution is caused by the rapid growth of Chinese population and the rapid development of industry, and the demand of human beings on water resources is rapidly increased at an incredible speed; on the other hand, the occupied amount of all Chinese water resources is small, and the air distribution is unbalanced; in addition, a plurality of short plates exist in the aspect of treatment for a long time, increasingly serious water pollution is eating a large amount of water resources available for consumption, more than 80% of the existing urban sewage treatment plants in China adopt an activated sludge method in the technical situation of urban domestic sewage treatment process, and along with the rapid increase of sewage discharge in recent years, the requirement on sewage treatment is increasingly improved.

The sewage treatment in-process can not leave charge equipment, and charge equipment adds the medicine to sewage, helps sewage treatment, like disinfect disinfection, promote flocculation, promote the sediment, go impurity etc. current charge equipment can realize the dynamic interpolation of medicament through electron velocity flow meter, control circuit etc. and rivers are big dose, and rivers are few, and the addition of dose is few, but can't stir the medicine after adding the medicine at present, influences follow-up sewage treatment.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a quantitative drug supply device for sewage treatment.

In order to achieve the above purpose, the technical scheme of the utility model is that: a quantitative medicine supply device for sewage treatment comprises a stirring medicine cylinder and a medicine feeding pump, wherein a hollow rotating shaft penetrates through the axis position of the stirring medicine cylinder, the inner end of the hollow rotating shaft is closed and rotatably supported in a water outlet of the stirring medicine cylinder, the outer end of the hollow rotating shaft is positioned outside the stirring medicine cylinder and is provided with a driven gear, the end part of the outer end of the hollow rotating shaft is communicated with a rotary joint, the rotary joint is communicated with an electronic flow velocity meter through a three-way pipe, the electronic flow velocity meter is communicated with one end of the three-way pipe, the water inlet end of the electronic flow velocity meter is provided with a water inlet, the three-way pipe is communicated with the water outlet of the medicine feeding pump and is provided with a medicine feeding pipe, the driven gear is meshed with a driving gear driven to rotate by a speed reduction motor, spray pipes with multiple pairs of nozzles are uniformly distributed on the outer side wall of the, a reverse flow blade pushing liquid towards the spray pipe is fixed on the hollow rotating shaft at the water outlet position, the water inlet end of the medicine feeding pump is communicated with the bottom of an external medicine box, and the rotary joint is further provided with an air inlet joint.

Furthermore, the hollow rotating shaft is sleeved with a rubber sealing ring with the middle part sunken inwards at the position penetrating through the stirring medicine cylinder.

Furthermore, a conical guide cover is fixed on the outer side wall of the hollow rotating shaft between the spray pipe and the reverse flow blade, the opening of the guide cover faces the spray pipe, and a plurality of through holes are uniformly distributed at the fixed connection part of the guide cover and the hollow rotating shaft.

Further, the dosing pump is fixed on the pump body fixing plate, and the pump body fixing plate is fixedly connected with the outer side wall of the stirring cartridge case through a plurality of triangular reinforcing plates.

Further, gear motor and stirring cartridge case are fixed on the base.

Further, the both ends of stirring cartridge case are the toper, and both ends bottom is through triangle reinforcing plate and base fixed surface connection.

The utility model discloses it is rotatory to make mixed liquid of spun sewage and liquid medicine form, make liquid medicine and sewage obtain quick stirring, the air inlet joint of rotary joint intercommunication, can also communicate with external air supply equipment, make the air, sewage, the liquid medicine three finally advances in the stirring cartridge case through rotary joint, and spout, not only has the effect of mixing stirring medicament and sewage, and aeration function still has, combine the rivers that the aeration produced, more be favorable to making liquid medicine and sewage mix, in addition when palirrhea blade, palirrhea blade returns partly mixed liquid again and stirs, the combined reaction time of mixed liquid has been improved, also more be favorable to the bubble to combine with the sewage of mixing, play and add the medicine effect better.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present embodiment is described in detail below with reference to the accompanying drawings:

the embodiment provides a quantitative drug supply device for sewage treatment, and please refer to fig. 1 in the attached drawings of the specification together.

As shown in figure 1, the quantitative medicine supply device for sewage treatment comprises a stirring medicine cylinder 1 and a medicine feeding pump 2, wherein a hollow rotating shaft 3 penetrates through the axis position of the stirring medicine cylinder 1, the inner end of the hollow rotating shaft 3 is sealed and rotatably supported in a water outlet 4 of the stirring medicine cylinder 1, the outer end of the hollow rotating shaft 3 is positioned outside the stirring medicine cylinder 1 and is provided with a driven gear 5, the outer end part of the hollow rotating shaft 3 is communicated with a rotary joint 6, the rotary joint 6 is communicated with an electronic flow meter 7 through a three-way pipe 8, the electronic flow meter 7 controls the pressure of the medicine feeding pump 2, the electronic flow meter 7 can adopt a medicine feeding pump pressurized water flow hydraulic electronic pressure switch produced by Guiyi general environmental protection technology Limited company, the faster the flow rate of the electronic flow meter 7 is, the larger the power of the medicine feeding pump 2 is controlled, so that more medicine liquid is injected, namely, when sewage enters a constant flow rate, the medicine feeding flow, when the flow of sewage entering changes, the amount of sewage changes equivalently, the dosage also changes according to the amount of sewage, so that the sewage and the dosage form dynamic balance, equivalently, the sewage and the dosage are always in a quantitative dosing state, the proportion of the sewage and the liquid medicine is always ensured to be unchanged, an electronic flow velocity meter 7 is communicated with one end of a three-way pipe 8, the water inlet end of the electronic flow velocity meter 7 is provided with a water inlet 9, the three-way pipe 8 and the water outlet end of a dosing pump 2 are communicated with a dosing pipe 10, a driven gear 5 is meshed with a driving gear 12 driven by a speed reduction motor 11 to rotate, spray pipes 14 with a plurality of pairs of spray nozzles 13 are uniformly distributed on the outer side wall of a hollow rotating shaft 3 in a stirring medicine cylinder 1, the outer side wall of the hollow rotating shaft 3 between each pair of spray pipes 14 is respectively fixed with a stirring blade 15 vertical to the hollow rotating shaft 3, and a, the water inlet end of the dosing pump 2 is communicated with the bottom of an external medicine box, and the rotary joint 6 is also provided with an air inlet joint 23.

Sewage and liquid medicine enter the electronic flow meter 7, the rotary joint 6 and the hollow rotating shaft 3 from the water inlet 9 in sequence and are finally sprayed out from the spray pipe 14 with the spray nozzle 13, meanwhile, the speed reducing motor 11 drives the hollow rotating shaft 3 to rotate through the driving gear 12 and the driven gear 5, so that the sprayed sewage and liquid medicine mixed liquid is rotated, the liquid medicine and the sewage are quickly stirred, the air inlet joint 23 communicated with the rotary joint 6 can be screwed on the sealing cover for sealing when not in use, and can be communicated with external air supply equipment when treating the sewage, so that air, sewage and liquid medicine finally enter the stirring medicine cylinder 1 through the rotary joint 6 and are sprayed out, the effect of mixing and stirring the medicine and the sewage is achieved, the aeration function is achieved, the water flow generated by the aeration is combined, the liquid medicine and the sewage are better mixed, and when the liquid medicine passes through the reverse flow blades 16, a part of the mixed liquid returns again for stirring, the combination reaction time of the mixed liquid is prolonged, the combination of bubbles and the mixed sewage is facilitated, and the better medicine adding effect is achieved.

In order to ensure the sealing performance of the part of the hollow rotating shaft 3 penetrating through the stirring medicine cylinder 1, the part of the hollow rotating shaft 3 penetrating through the stirring medicine cylinder 1 is sleeved with a rubber sealing ring 17 with the middle part sunken inwards.

In order to enable the backflow mixed liquid to be stirred again and return along the inner side wall of the stirring cartridge 1, and further facilitate formation of circular stirring, a conical guide cover 18 is fixed on the outer side wall of the hollow rotating shaft 3 between the spray pipe 14 and the backflow blades 16, an opening of the guide cover 18 faces the spray pipe 14, a plurality of through holes 19 are uniformly distributed at the fixed connection part of the guide cover 18 and the hollow rotating shaft 3, mixed sewage returning through the backflow blades 16 returns along the outer side wall of the guide cover 18, the mixed sewage sprayed out from the spray pipe 14 flows to the backflow blades 16 through the through holes 19 along the inner side wall of the guide cover 18, a part of the sewage is returned to continue stirring, and the other part of the sewage is discharged through the water outlet 4.

For the holistic stability of improve equipment, add the medicine pump 2 and fix on pump body fixed plate 20, pump body fixed plate 20 passes through polylith triangle reinforcing plate 21 and 1 lateral wall fixed connection of stirring cartridge case, gear motor 11 and stirring cartridge case 1 are fixed on base 22, the both ends of stirring cartridge case 1 are the toper, and both ends bottom is through triangle reinforcing plate 21 and base 22 fixed surface connection, some positions adopt triangle reinforcing plate 21 to carry out the enhancement connection, it is fixed more firm.

Of course, the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A medicine quantitative supply device for sewage treatment is characterized in that: comprises a stirring cartridge (1) and a dosing pump (2), wherein a hollow rotating shaft (3) penetrates through the axis position of the stirring cartridge (1), the inner end of the hollow rotating shaft (3) is sealed and is rotatably supported in a water outlet (4) of the stirring cartridge (1), the outer end of the hollow rotating shaft (3) is positioned outside the stirring cartridge (1) and is provided with a driven gear (5), the outer end part of the hollow rotating shaft (3) is communicated with a rotary joint (6), the rotary joint (6) is communicated with an electronic flow velocity meter (7) through a three-way pipe (8), the electronic flow velocity meter (7) is communicated with one end of the three-way pipe (8), the water inlet end of the electronic flow velocity meter (7) is provided with a water inlet (9), the three-way pipe (8) is communicated with a dosing pipe (10) through a water outlet end of the dosing pump (2), the driven gear (5) is meshed with a driving gear (12) driven and rotated by a, spray pipes (14) with pairs of nozzles (13) are evenly arranged on the outer side wall of a hollow rotating shaft (3) in a stirring cartridge case (1), stirring blades (15) perpendicular to the hollow rotating shaft (3) are respectively fixed on the outer side wall of the hollow rotating shaft (3) between every pair of spray pipes (14), backflow blades (16) pushing liquid towards the spray pipes (14) are fixed on the hollow rotating shaft (3) at a water outlet (4), the water inlet end of a dosing pump (2) is communicated with the bottom of an external medicine box, and an air inlet joint (23) is further arranged on a rotary joint (6).

2. A quantitative sewage treatment drug supply device according to claim 1, wherein: the hollow rotating shaft (3) is sleeved with a rubber sealing ring (17) with the middle part sunken inwards at the position penetrating through the stirring medicine cylinder (1).

3. A quantitative sewage treatment drug supply device according to claim 1, wherein: a conical air guide sleeve (18) is fixed on the outer side wall of the hollow rotating shaft (3) between the spray pipe (14) and the reverse flow blade (16), the opening of the air guide sleeve (18) faces the spray pipe (14), and a plurality of through holes (19) are uniformly distributed at the fixed connection part of the air guide sleeve (18) and the hollow rotating shaft (3).

4. A quantitative sewage treatment drug supply device according to claim 1, wherein: the dosing pump (2) is fixed on the pump body fixing plate (20), and the pump body fixing plate (20) is fixedly connected with the outer side wall of the stirring cartridge (1) through a plurality of triangular reinforcing plates (21).

5. A quantitative sewage treatment drug supply device according to claim 1, wherein: the speed reducing motor (11) and the stirring medicine cylinder (1) are fixed on the base (22).

6. A quantitative sewage treatment drug supply device according to claim 1, wherein: the two ends of the stirring medicine cylinder (1) are conical, and the bottoms of the two ends are fixedly connected with the surface of the base (22) through triangular reinforcing plates (21).