CN211644808U - A multi-stage circulating sewage treatment device - Google Patents

Abstract

The utility model discloses a multi-stage circulating sewage treatment device, which comprises a sedimentation device. A water inlet pipe is fixedly connected to the upper part of the left end of the sedimentation device; A No. 1 connecting pipe is fixedly connected between the right part of the upper end of the device, a disinfection device is fixedly installed on the upper part of the left end of the treatment box, a multi-stage filtering device is fixedly connected inside the treatment box, and a water outlet pipe is fixedly connected to the middle of the lower end of the treatment box. A circulation pipe is fixedly connected to the lower end of the water outlet pipe, a circulation pump is fixedly connected to the left part of the circulation pipe, and the left end of the circulation pipe is communicated with the lower part of the water inlet pipe. The multi-stage circulating sewage treatment device of the utility model can purify the sewage for many times through the circulating pump, so that the sewage purification is better and sufficient; Compared with the traditional single settling, it can avoid the blockage of the treatment tank by a large amount of sediment.

Description

A multi-stage circulating sewage treatment device

technical field

The utility model relates to the technical field of sewage treatment, in particular to a multi-stage circulating sewage treatment device.

Background technique

Sewage, usually refers to the effluent from living and production that is polluted to a certain extent. Sewage mainly includes domestic sewage, industrial wastewater and initial rainwater. The main pollutants in sewage are pathogen pollutants, oxygen-consuming pollutants, plant nutrients and toxic pollutants. The traditional sewage treatment device has a complex structure and a single function. It can only perform simple filtration treatment on sewage, and cannot effectively purify the organic and toxic substances in the sewage, so the discharged sewage cannot meet the discharge standard; When the discharge is not up to the standard, it cannot be recycled; and the sewage treatment equipment is easily blocked during the purification process, making the purification effect poor.

Utility model content

The main purpose of the present invention is to provide a multi-stage circulating sewage treatment device, which can effectively solve the problems in the background technology.

To achieve the above purpose, the technical scheme adopted by the present utility model is:

A multi-stage circulating sewage treatment device includes a precipitation device, a water inlet pipe is fixedly connected to the upper part of the left end of the precipitation device, a treatment box is arranged on the right side of the precipitation device, and the upper left part of the treatment box and the upper right part of the precipitation device are connected. A No. 1 connecting pipe is fixedly connected between them, a disinfection device is fixedly installed on the upper left end of the processing box, a multi-stage filtering device is fixedly connected inside the processing box, a water outlet pipe is fixedly connected to the middle of the lower end of the processing box, and the lower end of the water outlet pipe is fixedly connected. A circulation pipe is fixedly connected, a circulation pump is fixedly connected to the left part of the circulation pipe, and the left end of the circulation pipe is connected with the lower part of the water inlet pipe.

Preferably, the settling device includes a No. 1 settling tank and a No. 2 settling tank, a No. 2 connecting pipe is fixedly connected between the upper right part of the No. 1 settling tank and the upper left part of the No. 2 settling tank, and the No. 1 settling tank is The No. 3 connecting pipe is fixedly connected between the lower part of the right end of the box and the lower part of the left end of the No. 2 sedimentation tank. No. 2 valves are fixedly installed on the left and right parts of the connecting pipe.

Preferably, a filter screen is fixedly installed on the upper part of the processing box, and the filter screen is installed at a high left and right low angle, and a collection box is fixedly installed on the upper part of the right end of the processing box, and the collection box communicates with the filter screen.

Preferably, a stirring motor is fixedly installed in the middle of the left end of the processing box, a stirring shaft is fixedly connected to the output end of the stirring motor, and the stirring shaft is located in the middle of the processing box, and the outer surface of the stirring shaft is distributed with several blades at equal intervals, and stirring The shafts are located below the sterilization device and above the multi-stage filter device, respectively.

Preferably, the disinfection device includes a disinfectant tank, a booster pump is fixedly installed at the upper end of the disinfectant tank, a booster pipe is fixedly connected between the booster pump and the disinfectant tank, and a front of the lower end of the disinfectant tank is The No. 1 pipe is fixedly connected to the first pipe, the right end of the No. 1 pipe is fixedly connected with the No. 2 pipe, the lower end of the No. 2 pipe is fixedly connected with a number of equally spaced nozzles, and the No. 1 pipe is obliquely penetrated through the left end of the treatment box. , the disinfectant tank and the booster pump are both fixedly connected with the upper part of the left end of the processing tank.

Preferably, the multi-stage filtering device includes a fabric filter layer, a quartz sand filter layer and an activated carbon filter layer, the fabric filter layer is located above the quartz sand filter layer, and the quartz sand filter layer is located above the activated carbon filter layer, and the fabric filter layer is located above the activated carbon filter layer. The left and right ends of the layer, the quartz sand filter layer and the activated carbon filter layer are fixedly connected with the inner wall of the lower part of the treatment box.

Compared with the prior art, the utility model has the following beneficial effects:

(1) In the present utility model, the disinfectant tank is pressurized by the booster pump, so that the disinfectant is sprayed from the nozzle, thereby sterilizing the sewage, and the multi-stage filtration device can sterilize the organic matter and the small particles in the sewage. The inorganic impurities are adsorbed to make the filtration effect better; the final treated sewage can be purified many times under the action of the circulating pump, so that the sewage purification is better and sufficient.

(2) In the present utility model, a large amount of inorganic sediments in the sewage can be precipitated through the No. 1 sedimentation tank and the No. 2 sedimentation tank. Compared with the traditional single sedimentation, the sedimentation effect is better and the sewage can be avoided. The large amount of sediment in the filter will block the treatment box, and the inclined setting of the filter screen can discharge the retained impurities into the collection box, so as to avoid the accumulation of impurities on the filter screen and cause blockage, which will affect the treatment efficiency of the sewage treatment device.

Description of drawings

1 is a schematic diagram of the overall structure of a multi-stage circulating sewage treatment device of the present invention;

2 is a schematic structural diagram of a sedimentation device of a multi-stage circulating sewage treatment device of the present invention;

3 is a schematic diagram of the internal structure of a treatment box of a multi-stage circulating sewage treatment device of the present invention;

4 is a schematic structural diagram of a disinfection device of a multi-stage circulating sewage treatment device of the present invention;

Figure 5 is an enlarged view of part A of a multi-stage circulating sewage treatment device of the present invention.

In the picture: 1. Inlet pipe; 2. Treatment box; 3. Circulating pump; 4. Outlet pipe; 5. Valve No. 1; 6. Precipitation device; 7. Connecting pipe No. 1; Filter device; 10. Circulation pipe; 11. Filter screen; 12. Collection box; 13. Stirring motor; 14. Blade; 15. Stirring shaft; 61. No. 1 sedimentation tank; 62. No. 2 connecting pipe; Sedimentation tank; 64, No. 3 connecting pipe; 65, Sludge pipe; 66, No. 2 valve; 81, Booster pipe; 82, Booster pump; 83, No. 1 conduit; 84, Disinfectant tank; 85, Nozzle; 86, No. 2 catheter; 91, fabric filter layer; 92, quartz sand filter layer; 93, activated carbon filter layer.

Detailed ways

In order to make the technical means, creation features, achievement goals and effects of the present invention easy to understand and understand, the present invention will be further described below with reference to the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" The orientation or positional relationship indicated by "" etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to The specific orientation configuration and operation is therefore not to be construed as a limitation of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present utility model, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "provided with", "connected", etc., should be understood in a broad sense, for example, "connected" may be a fixed The connection can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in Figures 1-5, a multi-stage circulating sewage treatment device includes a sedimentation device 6. A water inlet pipe 1 is fixedly connected to the upper part of the left end of the sedimentation device 6. A No. 1 connecting pipe 7 is fixedly connected between the upper part and the right part of the upper end of the precipitation device 6, a disinfection device 8 is fixedly installed on the upper part of the left end of the processing box 2, a multi-stage filtering device 9 is fixedly connected inside the processing box 2, and the middle part of the lower end of the processing box 2 is fixedly connected There is a water outlet pipe 4, a circulation pipe 10 is fixedly connected to the lower end of the water outlet pipe 4, a circulation pump 3 is fixedly connected to the left part of the circulation pipe 10, and the left end of the circulation pipe 10 is connected with the lower part of the water inlet pipe 1, and the right part of the circulation pipe 10 is fixedly installed with a No. 1 valve. 5, and the No. 1 valve 5 is located to the right of the outlet pipe 4.

In order to improve the sedimentation effect of sewage treatment, the sedimentation device 6 includes a No. 1 sedimentation tank 61 and a No. 2 sedimentation tank 63. A No. 2 connecting pipe is fixedly connected between the upper right part of the No. 1 sedimentation tank 61 and the upper left part of the No. 2 sedimentation tank 63 62. The No. 3 connecting pipe 64 is fixedly connected between the lower part of the right end of the No. 1 sedimentation tank 61 and the lower part of the left end of the No. 2 sedimentation tank 63, and the middle part of the lower end of the No. 3 connecting pipe 64 is fixedly connected with a sludge pipe 65, and the sludge pipe 65 is fixedly installed There is a mud pump, which can easily discharge the sludge in the No. 1 sedimentation tank 61 and the No. 2 sedimentation tank 63 to avoid clogging, and the No. 2 valve 66 is fixedly installed on the left and right parts of the No. 3 connecting pipe 64; The filter screen 11 is fixedly installed on the upper part of the box 2, and the filter screen 11 is installed at an inclination of left high and right low. The inclined setting of the filter screen 11 can facilitate the discharge of filtered macromolecular impurities into the collection box 12 and avoid accumulation on the filter screen 11. Affecting the filtering effect, a collection box 12 is fixedly installed on the upper right end of the treatment box 2, and the collection box 12 communicates with the filter screen 11; a stirring motor 13 is fixedly installed in the middle of the left end of the treatment box 2, and the stirring motor 13 can mix the disinfectant with the sewage to be treated. Mixing is carried out, the output end of the stirring motor 13 is fixedly connected with a stirring shaft 15, and the stirring shaft 15 is located in the middle of the processing box 2, the outer surface of the stirring shaft 15 is distributed with a number of blades 14 at equal intervals, and the stirring shaft 15 is located below the disinfection device 8 and many. In order to disinfect the sewage to be treated, the disinfection device 8 includes a disinfectant tank 84, a booster pump 82 is fixedly installed on the upper end of the disinfectant tank 84, and the booster pump 82 and the disinfectant tank 84 are fixedly connected There is a booster pipe 81, the pressurizing action of the booster pump 82 can make the disinfectant discharge from the nozzle 85 at a certain speed, the front part of the lower end of the disinfectant tank 84 is fixedly connected with a No. Conduit 86, the lower end of No. 2 conduit 86 is fixedly connected with a number of equally spaced spray heads 85, No. 1 conduit 83 is inclined and fixedly installed through the left end wall of the processing box 2, and the disinfectant tank 84 and the booster pump 82 are both connected to the upper part of the left end of the processing box 2. Fixed connection; the multi-stage filter device 9 includes a fabric filter layer 91, a quartz sand filter layer 92 and an activated carbon filter layer 93. The fabric filter layer 91 and the quartz sand filter layer 92 can effectively absorb the organic matter in the sewage to be filtered and retain small particles of inorganic matter Impurities, the fabric filter layer 91 is located above the quartz sand filter layer 92, and the quartz sand filter layer 92 is located above the activated carbon filter layer 93, and the left and right ends of the fabric filter layer 91, the quartz sand filter layer 92 and the activated carbon filter layer 93 are connected with the treatment box 2 The lower inner wall is fixedly connected.

It should be noted that the present utility model is a multi-stage circulating sewage treatment device. The device mainly includes a precipitation device 6. The precipitation device 6 is connected to the treatment tank 2 through the No. 1 connecting pipe 7, and the left end of the treatment tank 2 and the precipitation device 6 A circulating pipe 10 is arranged between the installed water inlet pipes 1, and a circulating pump 3 is installed on the circulating pipe 10. When the sewage needs to be purified, the sewage can be passed into the sedimentation device 6 through the water inlet pipe 1, and the first sedimentation The multi-stage precipitation of tank 61 and No. 2 sedimentation tank 63 achieves a better sedimentation effect, and at the same time prevents sewage from entering the treatment tank 2 and causes blockage inside the treatment tank 2, which affects the sewage treatment effect; The pipe 7 enters the filter screen 11, and the filtered macromolecular impurities are collected by the collection box 12. The inclined setting of the filter screen 11 avoids frequent cleaning of the net body; Under the action, the disinfectant is sprayed through the nozzle 85, and the sewage to be treated is mixed with the disinfectant by the stirring motor 13, so that the disinfection effect is better; the treated water after disinfection passes through the fabric filter layer 91 and the quartz sand filter layer 92 in turn. Multi-stage filtration with activated carbon filter layer 93, fabric filter layer 91 and quartz sand filter layer 92 can effectively absorb organic matter in the sewage to be filtered and retain small particles of inorganic impurities, the fabric filter layer 91 is cotton fabric, gauze, rayon fabric One or more of these, the filtered sewage is discharged through the water outlet pipe 4. When the sewage treatment effect cannot reach the discharge target, the No. 1 valve 5 can be closed to start the circulating pump 3, so that the sewage enters the water inlet pipe 1 again for circulating purification. , which makes the processing effect better.

The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention The new model will also have various changes and improvements, which all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a multistage circulation sewage treatment plant, includes sediment device (6), its characterized in that: the upper part of the left end of the precipitation device (6) is fixedly connected with a water inlet pipe (1), the right side of the precipitation device (6) is provided with a treatment box (2), a first connecting pipe (7) is fixedly connected between the left part of the upper end of the treatment box (2) and the right part of the upper end of the sedimentation device (6), a disinfection device (8) is fixedly arranged at the upper part of the left end of the treatment box (2), a multi-stage filtering device (9) is fixedly connected inside the treatment box (2), the middle part of the lower end of the treatment box (2) is fixedly connected with a water outlet pipe (4), the lower end of the water outlet pipe (4) is fixedly connected with a circulating pipe (10), the left part of the circulating pipe (10) is fixedly connected with a circulating pump (3), and the left end of the circulating pipe (10) is communicated with the lower part of the water inlet pipe (1), a first valve (5) is fixedly installed at the right part of the circulating pipe (10), and the first valve (5) is positioned at the right side of the water outlet pipe (4).

2. The multi-stage circulation sewage treatment plant of claim 1, wherein: sediment device (6) are including a settling tank (61) and No. two settling tanks (63), No. two connecting pipes of fixedly connected with (62) between a settling tank (61) upper end right part and No. two settling tanks (63) upper end left parts, No. three connecting pipes of fixedly connected with (64) between a settling tank (61) right-hand member lower part and No. two settling tanks (63) left end lower parts, No. three connecting pipe (64) lower extreme middle part fixedly connected with sludge pipe (65), and fixed mounting has the mud pump on sludge pipe (65), No. two valves (66) of the equal fixed mounting in No. three connecting pipe (64) left part and right part.

3. The multi-stage circulation sewage treatment plant of claim 1, wherein: the treatment box is characterized in that a filter screen (11) is fixedly mounted on the upper portion of the treatment box (2), the filter screen (11) is obliquely mounted in a left-high-right mode, a collection box (12) is fixedly mounted on the upper portion of the right end of the treatment box (2), and the collection box (12) is communicated with the filter screen (11).

4. The multi-stage circulation sewage treatment plant of claim 1, wherein: handle case (2) left end middle part fixed mounting and have agitator motor (13), agitator motor (13) output end fixedly connected with (mixing) shaft (15), and (mixing) shaft (15) are located and handle case (2) middle part, equidistant distribution has a plurality of blades (14) on (mixing) shaft (15) surface, and (mixing) shaft (15) are located degassing unit (8) below and multistage filter equipment (9) top respectively.

5. The multi-stage circulation sewage treatment plant of claim 1, wherein: degassing unit (8) are including disinfectant box (84), disinfectant box (84) upper end fixed mounting has booster pump (82), fixedly connected with booster pipe (81) between booster pump (82) and disinfectant box (84), No. one pipe (83) of the anterior fixedly connected with of disinfectant box (84) lower extreme, No. two pipes (86) of pipe (83) right-hand member fixedly connected with, No. two shower nozzles (85) of a plurality of equidistant distributions of pipe (86) lower extreme fixedly connected with, No. one pipe (83) slope runs through and handles case (2) left end case wall fixed mounting, disinfectant box (84) and booster pump (82) all with handle case (2) left end upper portion fixed connection.

6. The multi-stage circulation sewage treatment plant of claim 1, wherein: multistage filter equipment (9) include fabric filter layer (91), quartz sand filter layer (92) and active carbon filter layer (93), fabric filter layer (91) are located quartz sand filter layer (92) top, and quartz sand filter layer (92) are located active carbon filter layer (93) top, both ends all with handling case (2) lower part inner wall fixed connection about fabric filter layer (91), quartz sand filter layer (92) and active carbon filter layer (93).

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