CN220999295U - Water distribution mechanism and sewage leaching device - Google Patents

Abstract

The utility model discloses a water distribution mechanism and a sewage leaching device, comprising a water inlet tank and a plurality of water distribution tanks communicated with the water inlet tank, wherein the water inlet tank is divided into a water inlet area and a water guide area by a baffle plate, the water distribution tanks are communicated with the water guide area, a water inlet which is communicated with the water inlet area is arranged at the bottom of the water inlet tank in the water inlet area, a cover plate is arranged at the relative position of the water inlet, a water inlet buffer space is formed by the cover plate and the inner wall of the water inlet tank, and a water outlet gap which is opposite to the baffle plate is arranged in the water inlet buffer space. The sewage distribution mechanism has the advantages that the sewage can not have a larger initial speed when the sewage is separated from the water distribution groove, so that the sewage is distributed more uniformly on the filler layer with the same structure and has longer residence time when the sewage is guided by the water distribution mechanism, the contact reaction of the sewage and microorganisms in the filler layer is facilitated, and the sewage treatment effect is improved.

Description

Water distribution mechanism and sewage leaching device

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a water distribution mechanism and a sewage leaching device.

Background

The sewage treatment process is widely applied to various fields of construction, agriculture, traffic, energy, petrifaction, environmental protection, urban landscapes, medical treatment, catering and the like, and is increasingly used in the daily life of common people. The sewage treatment is to purify the discharged water to reach the corresponding discharge standard, and in the sewage treatment process, the corresponding sewage treatment process is set according to the characteristics of sewage, so that different sewage treatment settings are adopted. The sewage leaching device is mainly used for biochemical treatment of sewage, biochemical reaction is carried out on the pretreated sewage, nitrogen substances in the water are consumed, the water quality is improved, and the purpose of sewage treatment is achieved.

In the prior art, as in the patent application number CN202221298818.2 of the inventor and named as a sewage treatment leaching tower device, a water collecting tank is arranged in the patent to temporarily store pretreated sewage, a filler layer arranged above the water collecting tank can carry out biochemical reaction on the pretreated sewage, the reacted sewage can flow into a sedimentation tank to be precipitated, the sewage treatment is completed, and the emission standard can be reached. Wherein, the sewage in the water collecting tank is led out from the water distribution pipe above the packing layer after being guided by the lifting pump.

However, in the structure, the water distribution pipe is directly connected with the lifting pump, the lifting pump has a supercharging effect on water flow, the water flow led out from the water distribution pipe actually enters the position above the packing layer in a jet flow mode, the water distribution mechanism easily reduces the time of the water flow passing through the packing layer, the water distribution is uneven, the residence time of sewage in the packing layer is reduced, the reaction time of the sewage and microorganisms in the packing layer is reduced, and the sewage treatment effect is further reduced. Therefore, it is necessary to provide a water distribution mechanism to reduce the inflow velocity of sewage introduced into the filler layer.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model provides the water distribution mechanism and the sewage leaching device, which can perform the speed reduction buffer treatment on the flow velocity of the sewage led in by the lifting pump and simultaneously achieve the effect of uniform water distribution, reduce the initial velocity of the sewage separated from the water distribution mechanism, prolong the residence time of the sewage in the filler layer and improve the sewage treatment effect.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a water distribution mechanism, which comprises a water inlet tank and a plurality of water distribution tanks communicated with the water inlet tank,

The water inlet tank is divided into a water inlet area and a water guide area by the baffle plates, the water distribution tanks are communicated with the water guide area, the bottom of the water inlet tank in the water inlet area is provided with a water inlet which is communicated with the water inlet area, the relative position of the water inlet is provided with a cover plate, the cover plate and the inner wall of the water inlet tank form a water inlet buffer space, and the water inlet buffer space is provided with a water outlet gap which is opposite to the baffle plates.

The principle of the utility model is as follows: the sewage that the outside was carried out the preliminary treatment is transmitted through the elevator pump to in entering the inflow buffer space in the intake tank through the water inlet, because the cover plate sets up for the water inlet, the rivers that intakes from the water inlet impact can carry out primary deceleration on the cover plate, will overflow from the play water gap after rivers are full of the inflow buffer space, because the volume of buffer space is greater than the volume of play water gap, the water that the play water gap was derived still has certain play water velocity in theory, and the rivers that go out water from play water gap will be stopped by the baffle again, contact offset water velocity, reach the purpose of secondary deceleration, and after being full of rivers in the clearance between cover plate and the baffle, water will overflow to the water guide area from the baffle, thereby carry out the water distribution in entering a plurality of water distribution tanks.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the water flow led in by the lifting pump is subjected to secondary deceleration treatment by the water inlet tank, so that the flow rate of sewage entering a plurality of water distribution tanks can be reduced, the sewage entering the water distribution tanks overflows after being filled in the water distribution tanks, and the overflowed sewage basically falls into the filler layer under the action of gravity and does not have a larger initial speed when being separated from the water distribution tanks, so that when the water distribution mechanism is used for conducting water, the water distribution of the sewage in the filler layer with the same structure is more uniform, the retention time is longer, the contact reaction of the sewage and microorganisms in the filler layer is more facilitated, and the sewage treatment effect is improved.

Further, the baffle is arranged between the two side walls of the water inlet tank, and the height of the baffle is smaller than the height of the two side walls of the water inlet tank.

Further, the water inlet tank and the water distribution tank are both in a bar-shaped tank structure which is horizontally arranged, the length direction of the water distribution tank is perpendicular to the length direction of the water inlet tank, and a plurality of water distribution tanks are distributed at intervals along the length direction of the water inlet tank and are communicated with the water inlet tank.

Further, a plurality of water leakage notches are formed in the two side walls of the water distribution groove, and the water leakage notches are uniformly distributed along the length direction of the water distribution groove.

Further, the water leakage notch is of a V-shaped structure.

Further, the water distribution device also comprises transition grooves which are parallel to the water inlet grooves and are distributed at intervals, a plurality of water distribution grooves are arranged between the water inlet grooves and the transition grooves, and the water distribution grooves are communicated with the transition grooves.

Further, the bottoms of the water inlet tank and the transition tank are respectively provided with a mud discharging pipe.

Further, the water distribution grooves are arranged in pairs in a group, and two water distribution grooves of each group are adjacently arranged and matched for use.

The utility model also provides a sewage leaching device which comprises the water distribution mechanism.

Compared with the prior art, the utility model has the following beneficial effects: the sewage leaching device with the water distribution mechanism with the structure can increase the residence time of sewage in the filler layer under the condition that other structures (filler layer structures) are unchanged, improve the contact probability of the sewage and microorganisms in the filler layer, and improve the sewage treatment effect.

Drawings

FIG. 1 is a schematic diagram of a water distribution mechanism of the present utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the structure of the water inlet tank of the present utility model;

FIG. 4 is a sectional view showing the structure of the water inlet tank of the present utility model;

FIG. 5 is an enlarged view of portion B of FIG. 4;

FIG. 6 is an enlarged view of portion C of FIG. 4;

FIG. 7 is a schematic diagram of a sewage leaching device according to the present utility model;

Fig. 8 is a schematic view of another angle of fig. 7.

In the figure: the sewage treatment device comprises a water collecting tank 1, a sewage discharge pipe 11, a filling frame 12, a supporting frame 13, a supporting plate 14, a connecting rod 15, a water inlet tank 2, a sewage discharge hole 21, a baffle 22, a cover plate 23, a water outlet gap 24, a water inlet 25, a secondary buffer area 26, a water guide area 27, a through hole 28, a water inlet buffer space 29, a water distribution tank 3, a water leakage notch 31, a transition tank 4, a mud discharge pipe 41 and a water inlet pipe 5.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

As shown in fig. 7 and 8, a sewage leaching device comprises a shell, a water collecting tank 1 arranged in the shell, a packing layer arranged above the water collecting tank 1 and a layout mechanism arranged above the packing layer. A plurality of support plates 14 are arranged in the water collecting tank 1, a support frame 13 is arranged above the plurality of support plates 14, and the support frame 13 is of a multi-layer structure and is convenient for placement of the layers of the packing frame 12 for loading packing. The filler in the filler frame 12 can be hydrophilic polyurethane sponge blocks with the length of 3-4cm ³ in the prior art to form facultative state required by nitrifying bacteria denitrification, so that total nitrogen can be removed efficiently, and other microorganisms can be arranged in the filler frame 12 for treating other pollutants in water. The filler layer is formed by a plurality of filler frames 12 provided with fillers, and the water distribution mechanism is arranged above the filler layer and is used for carrying out water distribution operation on pretreated sewage, so that the sewage and the fillers in the filler layer can smoothly contact and react, and nitrogen compounds in the sewage can be removed. The sewage after digestion reaction flows back into the water collecting tank 1 for temporary storage or overflows to the subsequent treatment process.

When the biochemical reaction treatment is carried out on the pretreated sewage, the sewage treatment effect can be improved by increasing the residence time of the sewage in the filler layer under the condition that the structure of the filler layer and the type of the filler are unchanged. Because the pretreated sewage is directly injected from the upper part of the packing layer through the lift pump in the prior art, the sewage treatment efficiency in the prior art is still unsatisfactory, and therefore, the structure of the existing water distribution mechanism is improved, and the water flow led in by the lift pump is subjected to secondary speed reduction treatment, so that the water flow is basically free from initial velocity when being separated from the water distribution mechanism, and the residence time of the sewage entering the packing layer is further prolonged.

For this reason, the utility model also provides a water distribution mechanism, as shown in figures 1-6, which comprises a water inlet tank 2 arranged horizontally and a plurality of water distribution tanks 3 which are communicated with the water inlet tank 2 and are arranged horizontally; the water inlet tank 2 is divided into a water inlet area and a water guide area 27 by a baffle 22, a plurality of water distribution tanks 3 are communicated with the water guide area 27, a water inlet 25 which is communicated with each other is arranged at the bottom of the water inlet tank 2 in the water inlet area, a cover plate 23 is arranged above the water inlet 25, the cover plate 23 is arranged at one end of the water inlet tank 2 and forms a water inlet buffer space 29 with the inner wall of the water inlet tank 2, and the water inlet buffer space 29 is provided with a water outlet gap 24 which is opposite to the baffle 22. The water inlet pipe 5 and the water distribution groove 3 are of a bar-shaped groove structure, the water inlet groove 2 is horizontally arranged above the supporting frame 13 and is fixed with the supporting frame 13, the length direction of the water distribution groove 3 is perpendicular to the length direction of the water inlet groove 2, a plurality of water distribution grooves 3 are distributed at intervals along the length direction of the water inlet groove 2 and are respectively communicated with through holes 28 formed in the side wall of the water inlet groove 2, at least one connecting rod 15 is arranged below the water distribution grooves 3, the connecting rod 15 is detachably connected with the supporting frame 13, during installation, the water distribution groove 3 can be checked to be horizontal through the aid of a level meter, and after the water distribution groove 3 is horizontal, the connecting rod 15 for supporting the water distribution groove 3 can be fixed with a shell (not shown in the figure) through bolts. In order to ensure that the connecting rods 15 effectively support and level the water distribution tank 3, three connecting rods 15 which are distributed at intervals are arranged, and the connecting rods 15 are parallel to the water inlet tank 2 and detachably fixed with a shell (not shown).

As shown in fig. 1 and 2, in order to facilitate the sewage entering the water distribution tank 3 to overflow into the filler layer, a plurality of water leakage notches 31 are arranged on both side walls of the water distribution tank 3, the water leakage notches 31 are uniformly distributed along the length direction of the water distribution tank 3, and the water leakage notches 31 are in a V-shaped structure. When sewage in the water inlet tank 2 enters the water distribution tanks 3, in order to overflow water in the water distribution tanks 3, the other end of the water distribution tank 3 is in theory required to be sealed, so that the sewage can be conveniently accumulated in the water distribution tanks 3 and overflows from the water leakage notches 31. The utility model aims to make the overflow water distribution effect of a plurality of water distribution tanks 3 more uniform, the water distribution mechanism comprises transition tanks 4 which are parallel to the water inlet tank 2 and are distributed at intervals, the plurality of water distribution tanks 3 are arranged between the water inlet tank 2 and the transition tanks 4, and the plurality of water distribution tanks 3 are communicated with the transition tanks 4. The transition groove 4 is fixed above the support frame 13. When the sewage treatment device is used for the first time, the water inflow is increased to ensure that sewage enters the transition pipe from the water distribution groove 3, and then the flow is gradually regulated, so that the sewage can be distributed in the whole water distribution mechanism stably.

The utility model can improve the principle of sewage treatment effect: the sewage which is pretreated from the outside is conveyed by a lift pump and then is led into the water inlet tank 2 through the water inlet pipe 5 which is communicated with the water inlet 25, because the cover plate 23 is arranged opposite to the water inlet 25, the water flow which is fed from the water inlet 25 is impacted on the cover plate 23 for one time to be decelerated, when the water flow is full of the water inlet buffer space 29, the water which is led out from the water outlet gap 24 theoretically has a certain water outlet speed because the volume of the buffer space is larger than that of the water outlet gap 24, the water flow which is led out from the water outlet gap 24 is blocked by the baffle plate 22, the water flow speed is counteracted by contact, the purpose of secondary deceleration is achieved, and when the gap between the cover plate 23 and the baffle plate 22 is full of water flow, the water overflows from the baffle plate 22 to the water guide area 27, so as to be distributed in a plurality of water distribution tanks 3, the sewage overflowed from the side walls of the water distribution tanks 3 enters the filler layer below, and contacts with microorganisms in the filler layer, and the sewage which is reacted enters the water collection tank 1 or enters the next sewage treatment flow.

As shown in fig. 1, 3, 4 and 5, the baffle 22 is disposed between two side walls of the water inlet tank 2, the baffle 22 may be disposed perpendicular to the length direction of the water inlet tank 2, or may be disposed between two side walls of the water inlet tank 2 along an oblique direction, and the baffle 22 and the water outlet gap 24 are disposed at intervals to form a secondary buffer area 26, so that the sewage blocked by the cover plate 23 can realize secondary buffer and speed reduction in the secondary buffer area 26, and the water after speed reduction overflows from the baffle 22 to the water guiding area 27.

As shown in fig. 1,3 and 6, the water inlet tank 2 and the transition tank 4 are used for continuously introducing pretreated sewage, the sewage possibly contains sludge or other impurities, because the water distribution mechanism has a speed reducing effect on water inflow, the water flow speed entering the water inlet tank 2 and the transition tank 4 along with water flow is low, the sludge or other impurities mixed in the sewage are easy to settle at the bottoms of the water inlet tank 2 and the transition tank 4, and for this purpose, the bottoms of the water inlet tank 2 and the transition tank 4 are respectively provided with a sludge discharge hole 21, the sludge discharge holes 21 are fixedly provided with a sludge discharge pipe 41 which is communicated, the sludge discharge pipe 41 can be provided with a valve, the opening and the closing of the sludge discharge pipe 41 can be controlled through the valve, when the sewage is required to be cleaned, and when the sewage is not required to be cleaned, the sludge discharge pipe 41 is closed, so that the use of the whole water distribution mechanism is not influenced.

As shown in fig. 7 and 8, since the packing frame 12 of the present utility model has a rectangular frame structure, and the length direction of the packing frame 12 is perpendicular to the length direction of the water distribution grooves 3, in order to make the water overflowed from the water distribution grooves 3 distribute water uniformly the packing in the packing frame 12 in the structure, the plurality of water distribution grooves 3 of the present utility model are arranged in pairs, two water distribution grooves 3 of each group are arranged adjacently and matched, and two water distribution grooves 3 of each group are matched with a row of packing frames 12 arranged along the length direction of the water distribution grooves 3.

As shown in fig. 7, the sewage passing through the filler layer also contains sludge or other impurities, and the impurities in the sewage can be settled in the temporary storage process of the sewage in the water collecting tank 1, so that the impurities in the water collecting tank 1 are conveniently led out, and a plurality of sewage pipes 11 are arranged at the bottom of the water collecting tank 1.

According to the utility model, the water flow led in by the lifting pump is subjected to secondary deceleration treatment by the water inlet tank 2, so that the flow rate of sewage entering the water distribution tanks 3 can be reduced, the sewage entering the water distribution tanks 3 overflows after being filled in the water distribution tanks 3, and the overflowed sewage basically falls into the filler layer under the action of gravity and does not have a larger initial speed when leaving the water distribution tanks 3, so that the residence time of the sewage in the filler layer with the same structure is longer when the water distribution mechanism is used for water guide, the contact reaction of the sewage and microorganisms in the filler layer is more facilitated, and the sewage treatment effect is improved.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Claims (9)

1. A water distribution mechanism is characterized in that: comprises a water inlet tank (2) and a plurality of water distribution tanks (3) communicated with the water inlet tank (2),

The water inlet tank (2) is divided into a water inlet area and a water guide area (27) through a baffle plate (22), a plurality of water distribution tanks (3) are communicated with the water guide area (27), a water inlet (25) which is communicated with each other is arranged at the bottom of the water inlet tank (2) in the water inlet area, a cover plate (23) is arranged at the relative position of the water inlet (25), a water inlet buffer space (29) is formed by the cover plate (23) and the inner wall of the water inlet tank (2), and a water outlet gap (24) which is opposite to the baffle plate (22) is arranged in the water inlet buffer space (29).

2. The water distribution mechanism of claim 1, wherein: the baffle (22) is arranged between two side walls of the water inlet tank (2), and the height of the baffle (22) is smaller than the height of the two side walls of the water inlet tank (2).

3. A water distribution mechanism according to claim 1 or 2, characterized in that: the water inlet tank (2) and the water distribution tank (3) are both in a bar-shaped tank structure which is horizontally arranged, the length direction of the water distribution tank (3) is perpendicular to the length direction of the water inlet tank (2), and the water distribution tanks (3) are distributed at intervals along the length direction of the water inlet tank (2) and are communicated with the water inlet tank (2).

4. A water distribution mechanism according to claim 3, wherein: a plurality of water leakage gaps (31) are formed in the two side walls of the water distribution groove (3), and the water leakage gaps (31) are uniformly distributed along the length direction of the water distribution groove (3).

5. The water distribution mechanism of claim 4, wherein: the water leakage notch (31) is of a V-shaped structure.

6. The water distribution mechanism according to any one of claims 1, 2, 4 and 5, wherein: the water distribution device further comprises transition grooves (4) which are parallel to the water inlet grooves (2) and are distributed at intervals, a plurality of water distribution grooves (3) are arranged between the water inlet grooves (2) and the transition grooves (4), and the water distribution grooves (3) are all communicated with the transition grooves (4).

7. The water distribution mechanism of claim 6, wherein: mud pipes (41) are arranged at the bottoms of the water inlet tank (2) and the transition tank (4).

8. The water distribution mechanism according to any one of claims 1, 2, 4, 5, and 7, wherein: the water distribution grooves (3) are arranged in pairs into a group, and the two water distribution grooves (3) of each group are adjacently arranged and matched for use.

9. The utility model provides a sewage leaching device which characterized in that: comprising the water distribution mechanism of any one of claims 1-7.