CN211688561U - Sewage treatment pool - Google Patents

Abstract

The utility model provides a sewage treatment pond, it includes: a first-stage filter tank, a second-stage filter tank and a dosing device. Be provided with the sewage entry in the upper portion of one-level filtering ponds, the lower part is equipped with the filtration mouth, and inside is provided with the filter screen of detachable ball shape, be equipped with inlet and liquid outlet in the bottom of second grade filtering ponds, be connected with the tube-shape filter core of perpendicular setting in the inlet, be equipped with the intercommunication pipeline between filtration mouth and inlet, and in the slag stuff pump on communicating pipe, charge device also sets up on communicating pipe, with the medicament that adds the definite concentration to the liquid that flows into in the second grade filtering ponds, and be connected with the measuring pump in charge device's play liquid medicine mouth department. The utility model discloses a but sewage treatment pond efficient handles sewage to have better practicality.

Description

sewage treatment tank

technical field

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment tank.

Background technique

With the enhancement of environmental protection awareness, it is necessary to properly treat sewage. In sewage treatment, in order to achieve effective filtration of suspended particles in sewage, it is often necessary to add various agents such as dehydrating agents to wastewater. It is often necessary to pre-dissolve the agent before adding it to obtain a mixed solution with a uniform concentration. The existing sewage treatment device has certain drawbacks in use. In many cases, the hardness of water quality cannot be detected, and the speed and amount of dosing cannot be effectively controlled. Therefore, in the current sewage treatment, due to the concentration of the chemical or the uneven mixing of the chemical, the chemical does not fully react with the sewage, resulting in waste of the chemical and unsatisfactory sewage treatment.

Utility model content

In view of this, the present utility model aims to propose a sewage treatment tank, so as to add a certain proportion of concentration of chemicals into the sewage, so as to efficiently treat the sewage.

In order to achieve the above object, the technical scheme of the present utility model is achieved in this way:

A sewage treatment tank, comprising:

The first-level filter tank is provided with a sewage inlet at the upper part of the first-level filter tank, and a filter port is arranged at the lower part, and a detachable spherical filter screen is arranged inside the first-level filter tank;

The secondary filter tank is provided with a liquid inlet and a liquid outlet at the bottom of the secondary filter tank, a vertical cylindrical filter element is connected to the liquid inlet, and the filter port and the liquid inlet are connected to the liquid inlet. There is a communication pipeline between them, and a slurry pump is installed on the communication pipeline;

A medicine dosing device is arranged on the communication pipeline to add a certain concentration of medicine to the liquid flowing into the secondary filter tank, and a metering pump is connected to the medicine outlet of the medicine dosing device.

Further, the medicine dosing device includes a medicine storage box for accommodating medicine, and is provided with a discharge port at the bottom of the medicine storage box; a mixer is arranged below the medicine storage box, corresponding to the discharge port. The upper part of the mixer is provided with a feeding port, and the mixer is provided with a water inlet and a liquid level sensor, and also includes a horizontal sliding between the medicine storage box and the mixer The quantitative feeding mechanism includes a driving device and a feeding roller arranged at the power output end of the driving device, and a plurality of quantitative feeding grooves are constructed on the feeding roller, and the quantitative feeding mechanism changes with the quantitative feeding mechanism. With the horizontal sliding of the feeding mechanism, the discharge port and the feed port can correspond to different quantitative grooves at the same time; with the rotation of the feeding roller, the quantitative grooves can The discharge port is communicated with the feed port of the mixer, so that the discharge port and the feed port are alternately communicated intermittently.

Further, a plurality of the quantitative grooves are a plurality of grooves of different sizes which are constructed on the outer peripheral wall of the feeding roller and are arranged along the axial direction of the feeding roller.

Further, the groove is provided in a concave structure around the outer peripheral wall of the feeding roller toward the center of the feeding roller, and the cross-section of the groove is conical.

Further, a scraper tangential along the outer peripheral wall of the feeding roller is arranged at the discharge port of the medicine storage box.

Further, a rotatable ventilation pipe is provided at the bottom of the inner cavity of the mixer, and an air supply device communicated with the ventilation pipe is provided outside the mixer, and the pipe of the ventilation pipe is provided with a rotatable ventilation pipe. A plurality of air jet heads are alternately arranged on the wall, and a plurality of ventilation holes are opened on the air jet heads.

Further, corresponding to the medicine outlet of the medicine dosing device, a cavity facing the medicine outlet and protruding outward along the outer wall of the communication pipeline is provided on the communication pipeline.

Compared with the prior art, the utility model has the following advantages:

(1) In the sewage treatment tank of the present utility model, large debris such as plastics, sawdust, bottle caps and other large hard objects are initially filtered out through the primary filter tank to prevent clogging of subsequent treatment equipment. Then it flows through the connecting pipeline, and a dosing device is provided on the connecting pipeline, and the dosing device has a drug that can add a certain proportion of the solubility, through the cavity on the connecting pipeline facing the drug outlet of the dosing device. The sewage filtered in the primary filter tank is fully dissolved and mixed with the chemicals, and then pumped by the slurry pump, so that the mixed liquid flows to the secondary filter tank, and is filtered by the cylindrical filter element in the secondary filter tank. The liquid discharge port is discharged, and the filtered mud is discharged from the mud discharge port through the mud discharge plate. The sewage treatment tank of the utility model can treat sewage efficiently, and thus has good practicability.

(2) The dosing device can add solid or powdered medicaments to the mixer with a settable volume through the dosing mechanism, so as to configure a certain proportion of medicaments. In addition, the dosing mechanism is provided with different Quantitative groove, through the horizontal movement of the quantitative feeding mechanism, the discharge port and the feeding port can correspond to different quantitative grooves, and the amount and speed of dosing can be controlled by the rotation of the feeding roller, and different proportions can be configured. 's medicine.

(3) A plurality of grooves of different sizes are arranged on the outer peripheral wall of the feeding roller to facilitate the accommodation and quantitative medicament, and are arranged along the axial direction of the feeding roller to facilitate the processing of the grooves.

(4) The grooves are arranged in a conical shape, on the one hand, it is beneficial for the medicine in the discharge port of the medicine box to fall into the groove, and on the other hand, when the groove on the feeding roller turns to communicate with the feed port of the mixer It is beneficial for the medicine to fall into the mixer smoothly.

(5) A scraper is arranged at the discharge port to facilitate the collection of the medicine at the discharge port to prevent the leakage of the medicine.

(6) Set the ventilation pipe to ventilate, so that the liquid is tumbling and stirring, which is beneficial to accelerate the mixing of the medicine.

(7) A convex cavity is set on the communication pipeline, so that the medicament added by the dosing device can fully mix the medicament and the sewage in the cavity, and then flow to the secondary filter tank with the pumping of the slurry pump. In order to prevent the waste of the chemical due to the excessively fast water flow rate, the chemical and the sewage are mixed unevenly.

Description of drawings

The accompanying drawings that constitute a part of the present invention are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

Fig. 1 is the structural representation of the sewage treatment tank described in the embodiment of the utility model;

2 is a schematic structural diagram of the dosing device according to the embodiment of the present utility model;

Fig. 3 is the structural schematic diagram of the feeding roller according to the embodiment of the utility model;

Fig. 4 is the left side view of the feeding roller according to the embodiment of the utility model;

5 is a schematic structural diagram of the ventilation pipe according to the embodiment of the present invention;

6 is a schematic structural diagram of an air jet head according to an embodiment of the present invention;

Description of reference numbers:

1- Primary filter tank, 2- Dosing device, 3- Connecting pipeline, 4- Secondary filter tank, 5- Cavity, 6- Slurry pump, 7- Valve, 10- Meter, 11- Filter screen , 12- sewage inlet, 13- filter port, 14- sewage outlet, 41- liquid inlet, 42- liquid outlet, 43- cylindrical filter element, 44- mud discharge plate, 45- mud discharge port, 21- medicine storage Box, 22-feeding roller, 23-mixer, 24-vent pipe, 211-discharge port, 212-dosing port, 213-scraper, 214-electromagnetic vibrator, 221-drive device, 222-air cylinder , 223-Push rod, 224-Quantitative tank, 231-Feed port, 232-Drug outlet, 233-Drain port, 234-Vent hole, 235-Water inlet, 241-Air supply device, 242-Air jet head, 243 -Vent hole.

Detailed ways

It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict.

The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

The utility model relates to a sewage treatment tank, which is used for treating sewage. An exemplary structure thereof is shown in Figure 1. The sewage treatment tank includes: a primary filter tank 1, a secondary filter tank 4, and a communication pipeline 3 is connected between the primary filter tank 1 and the secondary filter tank 4. The communication pipeline 3 is provided with a slurry pump 6 and a medicine dosing device 2 , and a metering pump 10 is connected to the medicine outlet 232 of the medicine dosing device 2 .

Specifically, a sewage inlet 12 is provided on the upper part of the primary filter tank 1 , a filter port 13 is provided on the lower part of the primary filter tank 1 , and a detachable spherical filter is provided inside the primary filter tank 1 . Net 11. By setting the filter screen 11, larger impurities in the sewage, such as plastics, sawdust, bottle caps, etc., can be preliminarily filtered out. The spherical filter screen 11 is beneficial to increase the filtering area and improve the filtering effect of the sewage, and the filter screen 11 is removable. , when too much debris on the filter screen 11 affects the filtration, the filter screen 11 can be removed and cleaned separately. In addition, a sewage outlet 14 is also provided at the bottom of the filter tank to facilitate the discharge of waste water when cleaning the primary filter tank 1 .

Still referring to Fig. 1, a liquid inlet 41 and a liquid outlet 42 are provided at the bottom of the secondary filter tank 4, a vertical cylindrical filter element 43 is connected to the liquid inlet 41, and the communication pipeline 3 is arranged at the filter port. 13 and the liquid inlet 41, and the slurry pump 6 on the communication pipeline 3, the slurry pump 6 pumps the sewage filtered by the primary filter tank 1 to the liquid inlet 41, and the sewage passes through the cylindrical filter element 43. It is discharged from the cavity outside the filter element, and then flows out through the liquid outlet 42 . In order to facilitate the discharge of the sludge filtered by the cylindrical filter element 43, a mud discharge plate 44 and a mud discharge port 45 are arranged on the upper part of the secondary filter tank 4. The mud discharge plate 44 is set lower than the height of the cylindrical filter element 43 so as to have a It is beneficial for the mud to flow into the mud discharge plate 44 , so as to be discharged from the mud discharge port 45 .

As shown in FIG. 1 and FIG. 2 , the dosing device 2 is arranged on the communication pipeline 3 to add a certain concentration of medicament to the liquid flowing into the secondary filter tank 4 , and is connected at the drug outlet 232 of the dosing device 2 There is a metering pump 10 to control the addition amount of the medicament. In terms of specific structure, as shown in FIG. 2 , the medicine dosing device 2 includes: a medicine storage box 21 , a mixer 23 and a quantitative feeding mechanism. Among them, the top and bottom of the medicine storage box 21 are respectively provided with a medicine feeding port 212 and a discharging port 211 to facilitate the storage and discharge of medicines. 23 is provided with a water inlet 235 and a liquid level sensor, so that a certain volume of water can be added to the mixer 23. Corresponding to the discharge port 211 of the medicine storage box 21 , a medicine feed port 231 is provided on the upper part of the mixer 23 .

The aforementioned quantitative feeding mechanism slides horizontally between the medicine storage box 21 and the mixer 23. The quantitative feeding mechanism includes a driving device 221 and a feeding roller 22 arranged at the power output end of the driving device 221. On the feeding roller 22 A plurality of quantitative grooves 224 are constructed, and with the horizontal sliding of the quantitative feeding mechanism, the discharge port 211 and the feeding material can correspond to different quantitative grooves 224 at the same time. The material port 211 is communicated with the feed port 231 to form intermittent communication between the material outlet 211 and the feed port 231 .

Specifically, as shown in FIGS. 2 , 3 and 4 , the quantitative feeding mechanism slides horizontally on the guide rails on the mounting frame between the medicine storage box 21 and the mixer 23 , and on the mounting frame One side of the bottom is provided with a cylinder 222, the power output end of the cylinder 222 is connected with a push rod 223, and the other end of the push rod 223 is fixedly connected with the driving device 221, so that the cylinder 222 drives the push rod 223, and then acts on the quantitative feeding mechanism , so that the quantitative feeding mechanism slides horizontally between the medicine storage box 21 and the mixer 23. Of course, other driving methods in the prior art can also be used, such as a rack and pinion or a four-bar linkage mechanism. The cylinder 222 is driven, making the structure simpler and the operation smoother and more precise.

The driving device 221 in this embodiment is a motor, and the power output end of the motor is connected to the feeding roller 22. The structure of the feeding roller 22 is shown in FIG. 3 and FIG. 4, on the outer peripheral wall of the feeding roller 22, and A plurality of grooves of different sizes are arranged along its axial direction, and the grooves constitute a quantitative groove 224 to facilitate accommodating a certain amount of medicine. The outer peripheral wall of the aforementioned groove ring feeding roller 22 is arranged concavely toward the center of the feeding roller 22, and the cross section of the groove is a conical structure, which is beneficial to the discharge port 211 of the medicine storage box 21 on the one hand. On the other hand, when the groove on the feeding roller 22 turns to communicate with the feeding port 231 of the mixer 23, it is beneficial for the medicament to fall into the mixer 23 smoothly.

In order to prevent the leakage of the medicine in the medicine storage box 21, the discharge port 211 of the medicine storage box 21 is arranged close to the feeding roller 22, and a scraper along the tangential direction of the outer peripheral wall of the feeding roller 22 is provided at the discharge opening 211. sheet 213 to prevent leakage of the medicine in the medicine storage box 21 and reduce wear on the feeding roller 22 . The scraper 213 can be made of corrosion-resistant and deformable materials, such as rubber, resin, carbon fiber, and the like.

In addition, in order to facilitate the smooth discharge of the medicine from the discharge port 211, the medicine storage box 21 is provided with a conical bottom surface, and an electromagnetic vibrator 214 is arranged on the lower part of the medicine storage box 21, that is, on the side wall of the conical bottom surface, for dredging the medicine, Make the medicine discharge smoothly, thereby improving the discharge efficiency. In addition, in order to realize the stirring of the medicine in the mixer 23, a rotatable ventilation pipe 24 is provided at the bottom of the inner cavity of the mixer 23, and an air supply device communicated with the ventilation pipe 24 is provided outside the mixer 23 241, the air supply device 241 may use an air pump in the prior art.

The specific structure is shown in FIG. 5 and FIG. 6 , a plurality of air jet heads 242 are alternately arranged on the pipe wall of the aforementioned ventilation pipe 24. The air jet head 242 has a cylindrical section and a conical section, and a row of through A plurality of ventilation holes 243 are formed on the outer surface of the conical section, and the ventilation holes 243 of each cylindrical section are arranged in a tangential direction along the outer peripheral wall of the ventilation pipe 24 . The ventilation hole 243 on the cylindrical section can make the ventilation pipe 24 rotate under the action of high pressure gas when the pressure in the ventilation pipe 24 is greater than the resistance of the liquid in the mixer 23, and the air injection direction of the ventilation hole 243 on the surface of the conical section It is designed in a divergent structure to facilitate stirring the mixed liquid in the mixer 23 and fully accelerate the mixing of the medicament.

Corresponding to the ventilation pipe 24, a through hole of the ventilation pipe 24 is provided on the side wall of the mixer 23, and a bearing is provided between the outer wall of the ventilation pipe 24 and the inner wall of the through hole, and the ventilation pipe 24 is located in the mixer. The outer end of 23 is communicated with the air supply device 241 , and the end of the air pipe 24 with the air jet head 242 is provided inside the mixer 23 . In order to ensure the constant pressure in the mixer 23, a vent hole 234 is provided on the mixer 23. In order to ensure that the volume of water added in the mixer 23 is constant, a liquid level sensor is also provided in the mixer 23 . In addition, in order to discharge the unused chemical solution in the mixer 23 during maintenance, a liquid discharge port 233 is provided at the bottom of the mixer 23 , and a valve 7 is provided at the liquid discharge port 233 .

The medicine dosing device 2 of the present invention quickly mixes a certain proportion of medicine by adding a certain volume of water to the mixer 23 and adding a certain amount of medicine to the quantitative feeding mechanism, and then rotating and agitating through the ventilation pipe 24 . In addition, the quantitative feeding mechanism is provided with different quantitative grooves 224. Through the horizontal movement of the quantitative feeding mechanism, the feeding port 231 and the discharging port 211 are adjusted to correspond to different positioning grooves, and then the dosing is controlled by rotating. The amount and speed of dosing can be configured to achieve different proportions of drugs.

In addition, corresponding to the medicine outlet 232 of the medicine dosing device 2, a cavity 5 facing the medicine outlet 232 and protruding outward along the outer wall of the communication pipeline 3 is also provided on the communication pipeline 3, and this cavity 5 is provided. In order to facilitate the full mixing reaction of the sewage filtered out of the primary filter tank 1 and the chemical, to prevent the sewage from being pumped by the slurry pump 6 and cause the water to flow too fast, so that the chemical and the sewage are not fully reacted before being transported to the secondary filter tank 4. , resulting in waste of pharmaceuticals.

To sum up, the sewage treatment tank of the present utility model preliminarily filters the sewage through the primary filter tank 1, and then adds the medicament through the dosing device 2 of the medicament with a certain proportion of solubility, so that the medicament and the sewage are fully mixed and reacted, so as to flow to the The secondary filter tank 4 is discharged after being filtered by a cylindrical filter, so that the sewage can be efficiently treated, so that it has better practicability.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the within the scope of protection of the present invention.

Claims (7)

1. A sewage treatment tank is characterized by comprising:

the device comprises a primary filtering tank (1), wherein a sewage inlet (12) is formed in the upper part of the primary filtering tank (1), a filtering port (13) is formed in the lower part of the primary filtering tank (1), and a detachable spherical filtering net (11) is arranged in the primary filtering tank (1);

the device comprises a secondary filtering tank (4), wherein a liquid inlet (41) and a liquid outlet (42) are formed in the bottom of the secondary filtering tank (4), a cylindrical filter element (43) which is vertically arranged is connected to the liquid inlet (41), a communicating pipeline (3) is arranged between a filtering port (13) and the liquid inlet (41), and a slurry pump (6) is arranged on the communicating pipeline (3);

charge device (2), set up in on communicating pipe way (3), in order to inflow the liquid in second grade filtering ponds (4) adds the medicament of definite concentration, and in the play medicine mouth (232) department of charge device (2) is connected with measuring pump (10).

2. The wastewater treatment basin of claim 1, wherein: the drug adding device (2) comprises a drug storage box (21) for containing drugs, and a discharge hole (211) is formed in the bottom of the drug storage box (21); a mixer (23) is arranged below the medicine storage box (21), a feed inlet (231) is arranged at the upper part of the mixer (23) corresponding to the discharge outlet (211), a water filling port (235) and a liquid level sensor are arranged on the mixer (23), the quantitative feeding device further comprises a quantitative feeding mechanism which horizontally slides between the medicine storage box (21) and the mixer (23), the quantitative feeding mechanism comprises a driving device (221) and a feeding roller (22) arranged at the power output end of the driving device (221), a plurality of quantitative grooves (224) are formed on the feeding roller (22), and the discharge outlet (211) and the feed inlet (231) can simultaneously correspond to different quantitative grooves (224) along with the horizontal sliding of the quantitative feeding mechanism; with the rotation of the feeding roller (22), the quantitative groove (224) can be respectively communicated with the discharge hole (211) of the medicine storage box (21) and the feed hole (231) of the mixer (23) to form intermittent alternate communication between the discharge hole (211) and the feed hole (231).

3. A wastewater treatment basin according to claim 2, characterized in that: the plurality of dosing grooves (224) are a plurality of grooves of different sizes formed in the outer circumferential wall of the feeding roller (22) and arranged in the axial direction of the feeding roller (22).

4. A wastewater treatment basin according to claim 3, characterized in that: the recess is the ring feed roller (22) periphery wall to the recessed setting of feed roller (22) central direction, just the structure setting of the cross section taper of recess.

5. The wastewater treatment basin of claim 4, wherein: and a scraping blade (213) which is tangential along the peripheral wall of the feeding roller (22) is arranged at the discharge hole (211) of the medicine storage box (21).

6. A wastewater treatment basin according to claim 5, characterized in that: a rotatable vent pipe (24) is arranged at the bottom of the inner cavity of the mixer (23), an air supply device (241) communicated with the vent pipe (24) is arranged outside the mixer (23), a plurality of air nozzles (242) are arranged on the wall of the vent pipe (24) in a staggered manner, and a plurality of vent holes (243) are formed in the air nozzles (242).

7. The wastewater treatment basin of claim 6, wherein: corresponding to the medicine outlet (232) of the medicine adding device (2), a cavity (5) which is right opposite to the medicine outlet (232) and protrudes outwards along the outer wall of the communicating pipeline (3) is arranged on the communicating pipeline (3).

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