CN205575818U - Sewage purifier - Google Patents

Abstract

The utility model discloses a sewage purifier, comprising a tank body (1), the lower part of the tank body (1) is conical, the bottom of the tank body (1) is provided with a sewage outlet (2), ) is provided with a water outlet (3) and an exhaust port (4), and the upper part of the inner cavity of the tank (1) is provided with a fine filter material filter layer (5) and a light filter material filter layer from top to bottom. layer (6) and inclined plate settlement layer (7), the lower part of the inner cavity of the tank body (1) is provided with a cyclone (8), and the lower part of the tank body (1) is provided with a water inlet pipe (9). One end of the water pipe (9) extends into the inner cavity of the tank (1) and communicates with the interior of the cyclone (8), and the other end of the water inlet pipe (9) is connected to a pipeline mixer (10), The pipeline mixer (10) is connected with a drug feeding port (11). The sewage purifier has good purification effect, high purification efficiency, low operation cost, small occupied area and convenient maintenance.

Description

sewage purifier

technical field

The utility model belongs to the technical field of sewage treatment equipment, in particular to a sewage purifier for treating sewage with high suspended matter and high turbidity.

Background technique

Water resources are a non-renewable resource. With the development of economy and the increase of population, human beings' demand for water resources continues to increase. In addition, there are still unreasonable exploitation and utilization of water resources. Many areas have varying degrees of water scarcity. Therefore, in daily life, how to realize the conservation and reuse of water resources is an urgent problem that we need to solve now.

At present, sewage treatment has become an important issue of environmental protection. There are already many existing sewage treatment equipment. One of the more commonly used sewage purification devices is composed of a hydrolysis tank, an aerobic tank and a sedimentation tank. This purification device has long aeration time, high energy consumption, low microbial biomass, poor treatment effect, high operating cost, and Issues such as large areas. In addition, in the process of sewage treatment, in order to treat the high-suspended-suspended-solid sewage to meet certain requirements for discharge or reuse, it is necessary to carry out sedimentation or grit treatment on the sewage. Existing sedimentation tanks are generally sedimentation tanks with a large area, which not only brings inconvenience to the construction of the sedimentation tank, but also makes the sewage stay in the sedimentation tank for a long time, the sewage treatment efficiency is low, and it is difficult to maintain There are also many inconveniences.

Therefore, it is necessary to develop a sewage purifier with good purification effect, high purification efficiency, low operating cost, small footprint and easy maintenance.

Utility model content

The technical problem to be solved by the utility model is to provide a sewage purifier with good purification effect, high purification efficiency, low operation cost, small floor space and easy maintenance by overcoming the deficiencies and defects mentioned in the above background technology.

In order to solve the problems of the technologies described above, the technical solution proposed by the utility model is:

A sewage purifier, comprising a tank body, the bottom of the tank body is conical, the bottom of the tank body is provided with a sewage outlet, the top of the tank body is provided with a water outlet and an exhaust port, and the inner cavity of the tank body is The upper part is provided with a fine filter material filter layer, a light filter material filter layer and an inclined plate sedimentation layer in sequence from top to bottom. One end of the water pipe extends into the inner cavity of the tank body and communicates with the inside of the cyclone, and the other end of the water inlet pipe is connected with a pipeline mixer, and the pipeline mixer is connected with a medicine feeding port.

The above-mentioned sewage purifier, preferably, the lower part of the inner chamber of the tank body is provided with a rectifying plate, and the rectifying plate is provided with a plurality of through holes, and the middle part of the rectifying plate is provided with a cylindrical fairing cover with a lower opening, so The cyclone is arranged in the fairing and is connected and fixed with the fairing through a plurality of connecting rods.

In the above-mentioned sewage purifier, preferably, the through-holes are arranged obliquely, and the axis of the through-holes forms an included angle of 60° with the horizontal plane.

The above-mentioned sewage purifier, preferably, the upper part of the cyclone is cylindrical, the lower part is conical, the top of the cyclone is provided with an overflow port, and the bottom is provided with a sewage outlet. The tangential direction of the swirler communicates with the upper part of the swirler.

For the above-mentioned sewage purifier, preferably, the water inlet pipe is a pipe with a variable cross-section, and the inner diameter of the water inlet pipe gradually increases from the end connected to the cyclone to the end connected to the pipeline mixer.

For the above-mentioned sewage purifier, preferably, a plurality of sloping plates arranged in parallel are arranged in the slanting plate settlement layer, and the sloping plates form an included angle of 45° with the horizontal plane.

In the above-mentioned sewage purifier, preferably, the filter layer of light filter material is filled with foam filter beads.

The above-mentioned sewage purifier, preferably, two filter plates are arranged in the filter layer of the fine filter material, filter material is filled between the two filter plates, and a plurality of filter holes are arranged on the filter plate, in the filter holes Comes with water cap.

In the above-mentioned sewage purifier, preferably, the filter layer of the fine filter material is provided with an annular backwash pipe, and a plurality of backwash holes are opened on the backwash pipe.

For the above-mentioned sewage purifier, preferably, the side wall of the tank body is provided with a filter layer inspection port at the filter layer of the fine filter material, and the bottom of the tank body is provided with a sewage discharge inspection port.

Compared with the prior art, the utility model has the advantages that: by setting the fine filter material filter layer, the light filter material filter layer and the inclined plate sedimentation layer from top to bottom on the upper part of the inner cavity of the tank body, the The sewage is filtered in multiple stages, which greatly improves the purification effect of the sewage purifier. The unique structural design of cyclone and fairing improves the preliminary purification effect of sewage. A backwashing pipe is set in the filter material, and the filter material can be conveniently backwashed when the filter material is clogged and the resistance increases.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present utility model. Those skilled in the art can also obtain other drawings based on these drawings without any creative work.

Fig. 1 is a structural schematic diagram of the utility model sewage purifier.

illustration:

1. Tank body; 2. Sewage outlet; 3. Water outlet; 4. Exhaust port; 5. Fine filter material filter layer; 6. Light filter material filter layer; 7. Inclined plate settlement layer; 8. Cyclone; 9. Water inlet pipe; 10. Pipeline mixer; 11. Dosing port; 12. Rectifier plate; 13. Through hole; 14. Fairing cover; 15. Overflow port; 16. Sewage discharge port; 1. Foam filter beads; 19. Filter plate; 20. Water cap; 21. Backwash pipe; 22. Inspection port for filter layer; 23. Sewage inspection port.

detailed description

In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively and in detail below in conjunction with the accompanying drawings and preferred embodiments, but the protection scope of the utility model is not limited to the following specific embodiments.

It should be noted that when an element is described as "fixed, affixed, connected or communicated with" another element, it may be directly fixed, affixed, connected or communicated with another element , can also be indirectly fixed, affixed, connected or communicated with another element through other intermediate connectors.

Unless otherwise defined, all technical terms used hereinafter have the same meanings as commonly understood by those skilled in the art. The terminology used herein is only for the purpose of describing specific embodiments, and is not intended to limit the protection scope of the present utility model.

Example

As shown in Figure 1, a kind of embodiment of the sewage purifier of the present utility model comprises tank body 1, and the upper part of this tank body 1 is cylindrical, and the lower part is conical, and the bottom of tank body 1 is provided with blowdown outlet 2, and tank body 1 The top of the body 1 is provided with a water outlet 3 and an exhaust port 4 . The upper part of the inner cavity of the tank body 1 is provided with a fine filter material filter layer 5, a light filter material filter layer 6 and an inclined plate sedimentation layer 7 sequentially from top to bottom, and the lower part of the inner cavity of the tank body 1 is provided with a cyclone 8, The lower part of the tank body 1 is provided with a water inlet pipe 9, one end of the water inlet pipe 9 extends into the inner cavity of the tank body 1 and communicates with the inside of the cyclone 8, and the other end of the water inlet pipe 9 is connected to a pipeline mixer 10. The pipeline mixer 10 is connected with a drug feeding port 11 . By setting the fine filter material filter layer 5, the light filter material filter layer 6 and the inclined plate sedimentation layer 7 from top to bottom on the upper part of the inner cavity of the tank body 1, the sewage in the tank body 1 is filtered in multiple stages, greatly improving The purification effect of the sewage purifier is improved, and the equipment has low operating cost, small footprint, and high water purification efficiency.

In this embodiment, a rectifying plate 12 is provided on the lower part of the inner chamber of the tank body 1, and a plurality of through holes 13 are opened on the rectifying plate 12, and a cylindrical fairing 14 with a lower opening is provided in the middle of the rectifying plate 12 to allow swirling flow The device 8 is arranged in the fairing 14 and is connected and fixed with the fairing 14 through a plurality of connecting rods. A rectifying plate 12 is arranged at the bottom of the inner cavity of the tank body 1, and the sewage rises in a consistent direction after passing through the rectifying plate 12 from below, which is conducive to gravity settlement of sewage between the rectifying plate 12 and the inclined plate settlement layer 7. The through-holes 13 on the rectifying plate 12 are arranged obliquely, and the axes of the through-holes 13 form an included angle of 60° with the horizontal plane. Adopting such an arrangement can further improve the sewage purification effect.

In this embodiment, the upper part of the cyclone 8 is cylindrical and the lower part is conical. The top of the cyclone 8 is provided with an overflow port 15, and the bottom is provided with a sewage outlet 16. The water inlet pipe 9 runs along the cyclone 8. The tangential direction of is connected to the upper part of the cyclone 8. Sewage enters with a certain pressure along the tangential direction of the cyclone 8, and the sewage flows spirally along the inner wall of the cyclone 8. Under the action of centrifugal force and gravity, the sludge in the sewage sinks along the inner wall of the cyclone 8, and the water flows from The overflow port 15 flows out into the fairing 14, which can effectively improve the preliminary separation effect of the sludge in the sewage. The water inlet pipe 9 is a pipe with a variable cross-section, and the inner diameter of the water inlet pipe 9 gradually increases from one end connected to the cyclone 8 to one end connected to the pipeline mixer 10 . The inner diameter of the end of the water inlet pipe 9 connected to the cyclone 8 is set to be smaller, which is conducive to increasing the water inlet pressure, improving the centrifugal force of the sewage in the cyclone 8, and improving the purification effect.

In this embodiment, a plurality of inclined plates 17 arranged in parallel are arranged inside the inclined plate settlement layer 7, and the inclined plates 17 form an included angle of 45° with the horizontal plane. A plurality of sloping plates 17 are arranged, and when the sewage passes through the sloping plates 17, the sludge therein can adhere to the plates and move downward along the sloping plates 17, which can further improve the purifying effect of the water purifier. The light filter material filter layer 6 is filled with foam filter beads 18 . The density of the foam filter beads 18 is smaller than that of water. After the sewage enters the light filter material filter layer 6 after being settled by the inclined plate settlement layer 7, the foam filter beads float on the water surface, which is convenient for cleaning and is not easy to be blocked.

In the present embodiment, two filter plates 19 are arranged in the fine filter material filter layer 5, and filter material is filled between the two filter plates 19, and a plurality of filter holes are arranged on the filter plate 19, and water is housed in the filter holes. Cap 20. The water cap 20 is set in the filter hole, which can prevent the filter material in the fine filter material filter layer 5 from leaking from the filter hole with the water flow. An annular backwashing pipe 21 is arranged in the filter material, and a plurality of backwashing holes are opened on the backwashing pipe 21 . By setting the backwash pipe 21 in the filter material, when the equipment has been running for a long time and the resistance in the filter material is too large, the backwash pipe 21 can be used for backwashing, compared with the existing water outlet 3 from the top of the tank body 1 The way of backwashing is more direct and the flushing effect is better.

In this embodiment, the side wall of the tank body 1 is provided with a filter layer inspection port 22 at the filter layer 5 of the fine filter material, and the bottom of the tank body 1 is provided with a sewage discharge inspection port 23 . When the fine filter material filter layer 5 fails or the sewage outlet 2 is blocked, it can be cleaned and maintained through the filter layer inspection port 22 or the sewage inspection port 23 .

When the sewage purifier works: sewage enters the pipeline mixer 10 through the pipeline, and chemicals such as coagulant and flocculant are added into the pipeline mixer 10 through the dosing port 11; The tangential direction of the cyclone 8 is injected into the cyclone 8, and the sewage entering the cyclone 8 flows spirally along the inner wall of the cyclone 8; the sludge in the sewage is denser than water, and under the action of centrifugal force and gravity It flows downward along the inner wall of the cyclone 8, enriches through the conical part of the lower part of the cyclone 8, and then flows out from the sewage discharge port 16 to the sewage discharge port 2 at the bottom of the tank body 1; the water after preliminary purification flows from the cyclone The overflow port 15 on the upper part of the swirler 8 flows out and enters the fairing 14, and then flows out from the lower opening of the fairing 14 along the gap between the fairing 14 and the swirler 8; After rectification, it enters the gravity settling area between the rectifying plate 12 and the inclined plate settlement layer 7, and the sludge in the sewage in the gravity settling area continues to sink under the action of gravity to separate from the water; the water after gravity settling flows into the inclined plate In the plate sedimentation layer 7, further sedimentation is carried out between a plurality of inclined plates 17; the water flowing out from the inclined plate sedimentation layer 7 enters the light filter material filter layer 6 and the fine filter material filter layer 5 successively for filtration, from the fine filter material The water flowing out of the filter layer 5 enters the top of the tank body 1, and then is discharged from the water outlet 3 on the top; when the equipment has been running for a long time, the internal resistance of the filter layer 5 of the fine filter material increases, and the filter material can be cleaned by backwashing pipe 21 at this time. Rinse; when the fine filter material filter layer 5 breaks down, maintenance can be carried out through the filter layer inspection port 22;

Claims (10)

1. A sewage purifier, comprising a tank body (1), the bottom of the tank body (1) is conical, the bottom of the tank body (1) is provided with a sewage outlet (2), and the top of the tank body (1) A water outlet (3) and an exhaust port (4) are provided, and it is characterized in that: the upper part of the inner cavity of the tank body (1) is sequentially provided with a fine filter material filter layer (5), a light filter material The filter layer (6) and the inclined plate sedimentation layer (7), the bottom of the inner cavity of the tank body (1) is provided with a cyclone (8), and the bottom of the tank body (1) is provided with a water inlet pipe (9). One end of the water inlet pipe (9) extends into the inner cavity of the tank body (1) and communicates with the inside of the cyclone (8), and the other end of the water inlet pipe (9) is connected to a pipeline mixer (10) , the pipeline mixer (10) is connected with a dosing port (11). 2. The sewage purifier according to claim 1, characterized in that: a rectifying plate (12) is provided at the lower part of the inner cavity of the tank body (1), and a plurality of through holes are opened on the rectifying plate (12). Holes (13), the middle part of the fairing plate (12) is provided with a cylindrical fairing cover (14) with a bottom opening, and the cyclone (8) is located in the fairing cover (14) and is connected with a plurality of connecting rods Fairing cover (14) is connected and fixed. 3. The sewage purifier according to claim 2, characterized in that: the through holes (13) are arranged obliquely, and the axis of the through holes (13) forms an included angle of 60° with the horizontal plane. 4. The sewage purifier according to claim 1, characterized in that: the upper part of the cyclone (8) is cylindrical, the lower part is conical, and the top of the cyclone (8) is provided with an overflow port (15), the bottom is provided with a sewage outlet (16), and the water inlet pipe (9) is connected to the upper part of the cyclone (8) along the tangential direction of the cyclone (8). 5. The sewage purifier according to claim 1, characterized in that: the water inlet pipe (9) is a pipe with variable cross-section, and the water inlet pipe (9) is connected from one end of the cyclone (8) to the pipeline mixer One end internal diameter of (10) increases gradually. 6. The sewage purifier according to claim 1, characterized in that: the slant plate settling layer (7) is provided with a plurality of slant plates (17) arranged in parallel, and the slant plates (17) are in the shape of a horizontal plane 45° included angle. 7. The sewage purifier according to claim 1, characterized in that: said light filter material filter layer (6) is filled with foam filter beads (18). 8. The sewage purifier according to claim 1, characterized in that: said fine filter material filter layer (5) is provided with two filter plates (19), between which two filter plates (19) are filled Filter material is arranged, and the filter plate (19) is provided with a plurality of filter holes, and a water cap (20) is housed in the filter holes. 9. The sewage purifier according to claim 1, characterized in that: the fine filter material filter layer (5) is provided with an annular backwash pipe (21), and the backwash pipe (21) has multiple openings. a backwash hole. 10. The sewage purifier according to any one of claims 1 to 9, characterized in that: the side wall of the tank body (1) is provided with a filter layer for maintenance at the filter layer (5) of the fine filter material Mouth (22), the bottom of tank body (1) is provided with blowdown inspection port (23).