CN210885607U - A device for disinfection and deodorization of landfill leachate - Google Patents

Abstract

The utility model discloses a landfill leachate disinfection and deodorization device, which comprises a disinfection box and a deodorization box, wherein the top of the disinfection box is communicated with a water inlet pipe, one end of the water inlet pipe is communicated with a water diversion pipe, the water diversion pipe comprises a main pipe and six branch pipes, the six branch pipes are L-shaped, one ends of water inlets of the branch pipes are inserted into the main pipe, a plurality of water outlets are arranged on the branch pipes, an active carbon groove is arranged below the water diversion pipe, the active carbon groove is fixed on the inner wall of the disinfection box, and the active carbon groove is filled with active carbon blocks; the utility model has the advantages of reasonable design, the mode that adopts physics and chemistry to combine disinfects deodorization to filtration liquid, utilizes the distributive pipe to disperse landfill leachate, and whole distributive pipe has six to be in charge of and constitutes, and every is in charge of and drains landfill leachate to different positions respectively, can fully contact with the active carbon of active carbon inslot different positions when letting filtration liquid flow out, utilizes the active carbon to carry out preliminary filtration deodorization to filtration liquid.

Description

A device for disinfection and deodorization of landfill leachate

technical field

The utility model belongs to the technical field of landfill leachate treatment, in particular to a landfill leachate disinfection and deodorization device.

Background technique

The treatment of leachate in urban landfills has always been a very difficult problem in the design, operation and management of landfills. Landfill leachate is a kind of waste water that seeps out of garbage during garbage disposal. It has a large peculiar smell. It is easy to cause pollution to the surrounding air environment, so it is necessary to treat the landfill leachate, and the existing disinfection treatment device has a single function, poor disinfection treatment effect, cannot completely remove the odor, and has a complex structure, which is not conducive to use.

Aiming at the problems in the related art, no effective solution has been proposed so far. For this reason, we propose a landfill leachate disinfection and deodorization device.

Utility model content

(1) Technical problems solved

In view of the deficiencies of the prior art, the utility model provides a landfill leachate disinfection and deodorization device, which has the advantages of convenient use, superior leachate disinfection and deodorization effect, etc., and solves the problem of poor disinfection and deodorization effect and low efficiency of the existing leachate. And other issues.

(2) Technical solutions

In order to achieve the above purpose, the utility model provides the following technical scheme: a landfill leachate disinfection and deodorization device, comprising a disinfection box and a deodorization box, the top of the disinfection box is connected with a water inlet pipe, and one end of the water inlet pipe is connected with a water distribution pipe , the water distribution pipe includes a main pipe and six sub-pipes, the six sub-pipes are L-shaped, one end of the water inlet of the sub-pipe is inserted into the main pipe, the sub-pipe is provided with several drainage ports, and the activated carbon tank is arranged under the water-distribution pipe, so The activated carbon tank is fixed on the inner wall of the sterilization box, the activated carbon tank is filled with activated carbon blocks, a stirring tank is arranged below the activated carbon tank, and a motor is arranged at the bottom of the stirring tank, and one end of the motor is connected with a rotating shaft through a coupling. The rotating rod is inserted into the stirring tank, several stirring plates are fixed on the rotating rod, the side of the stirring tank is connected with a drain pipe, the drain pipe extends from one side of the disinfection box, and the drain pipe A valve is installed on it, the agitation tank is filled with chlorine dioxide solution, an air guide is connected to the inner wall of the disinfection box between the activated carbon tank and the agitation tank, and one end of the air guide is communicated with the air pump, and the air pump is connected to the air pump. The air inlet of the air booster pump is connected with the air inlet, the air outlet of the air booster pump is connected with an air guide pipe, and the air guide pipe connected with the air outlet is inserted into the deodorization box, and a number of partitions are fixed horizontally on the inner wall of the deodorization box. Plate, the partition plate is alternately fixed on the inner wall of the deodorizing box, the deodorizing box is filled with sodium hypochlorite solution, the HEPA filter screen plate is arranged above the partition plate, and the top of the deodorizing box is connected with exhaust pipe.

Further improved, a sealing ring is attached to the pipe edge of the water inlet pipe.

In a further improvement, the air guide pipe at one end of the air outlet of the air booster pump is inserted into the bottom of the deodorization box through a plurality of partition plates, and the air guide pipe is welded and fixed with the contact part of the partition plate.

Further improved, the six branch pipes are arranged in a ring, and the included angle between each branch pipe is 60 degrees.

Further improved, the activated carbon tank includes a tank body frame and a screen plate, and the screen plate is fixed on the bottom of the tank body frame.

Further improved, the mesh size of the mesh plate is smaller than the size of the activated carbon block.

(3) Beneficial effects

Compared with the prior art, the utility model provides a landfill leachate disinfection and deodorization device, which has the following beneficial effects:

1. This kind of landfill leachate disinfection and deodorization device has reasonable structural design and strong practicability. It uses a combination of physical and chemical methods to disinfect and deodorize the leachate, and uses a water distribution pipe to disperse the landfill leachate. The entire water distribution pipe has six It is composed of two sub-pipes, and each sub-pipe diverts the landfill leachate to different positions, so that the leachate can fully contact the activated carbon in different positions in the activated carbon tank when it flows out, and the activated carbon is used to perform preliminary filtration and deodorization of the leachate.

2. This kind of landfill leachate disinfection and deodorization device, when the leachate falls into the stirring tank from passing through the activated carbon tank, the chlorine dioxide solution in the stirring tank reacts with the leachate to kill the microorganisms in the leachate and bacteria to reduce the toxicity and peculiar smell of the leachate. At the same time, the leachate is stirred with a stirring plate to make it fully react. While stirring, the peculiar smell of the leachate will be emitted, and the peculiar smell emitted by the air pump and the air booster pump will be released. Pass into the bottom of the deodorization box, use the sodium hypochlorite solution in the deodorization box to filter and deodorize the gas, and the deodorized exhaust gas is filtered through the HEPA filter screen and discharged.

3. This kind of landfill leachate disinfection and deodorization device, the partition plate in the deodorization box forms a folded channel, so that the exhaust gas can be combined with the sodium hypochlorite solution for a longer time, allowing it to fully react, thereby eliminating odors.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the deodorizing box of the present utility model;

Fig. 3 is the top view of the utility model water distribution pipe;

Fig. 4 is the bottom view of the utility model water distribution pipe;

FIG. 5 is a schematic diagram of the structure of the activated carbon tank of the present invention.

In the figure: 1. Disinfection box; 2. Deodorization box; 3. Water inlet pipe; 4. Sealing ring; 5. Water distribution pipe; 501, Main pipe; tank; 601, mesh plate; 7, stirring tank; 8, drain pipe; 9, valve; 10, rotating rod; 11, motor; 12, stirring plate; 13, air booster pump; 14, exhaust pipe; 15, 16. HEPA filter screen plate; 17. Separation plate; 18. Sodium hypochlorite solution; 19. Chlorine dioxide solution; 20. Air pump.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-5, the present utility model provides a technical solution: a landfill leachate disinfection and deodorization device, comprising a disinfection box 1 and a deodorization box 2, the top of the disinfection box 1 is connected with a water inlet pipe 3, the One end of the water inlet pipe 3 is communicated with a water distribution pipe 5, the water distribution pipe 5 includes a main pipe 501 and six branch pipes 502, the six branch pipes 502 are L-shaped, and one end of the water inlet 503 of the branch pipe 502 is inserted into the main pipe 501. There are several drainage ports 504, and an activated carbon tank 6 is provided below the water distribution pipe 5. The activated carbon tank 6 is fixed on the inner wall of the disinfection box 1. The activated carbon tank 6 is filled with activated carbon blocks, and the activated carbon tank 6 is provided below. There is a stirring tank 7, the bottom of the stirring tank 7 is provided with a motor 11, and one end of the motor 11 is connected with a rotating rod 10 through a coupling, the rotating rod 10 is inserted into the stirring tank 7, and the rotating rod 10 is fixed on There are several stirring plates 12, the side of the stirring tank 7 is connected with a drain pipe 8, the drain pipe 8 extends from the side of the disinfection box 1, and a valve 9 is installed on the drain pipe 8, and the inside of the stirring tank 7 is Filled with chlorine dioxide solution 19, between the activated carbon tank 6 and the stirring tank 7, the inner wall of the disinfection box 1 is connected with an air guide 15, one end of the air guide 15 is communicated with the air pump 20, and the air pump 20 is connected to the air booster. The air inlet of the pressure pump 13 is communicated with, the air outlet of the air booster pump 13 is communicated with an air duct 15, and the air duct 15 communicated with the air outlet is inserted into the deodorizing box 2, and the inner wall of the deodorizing box 2 is laterally fixed with Several partition plates 17, one left and one right of the partition plates 17 are alternately fixed on the inner wall of the deodorizing box 2, the deodorizing box 2 is filled with a sodium hypochlorite solution 18, and a HEPA filter screen is arranged above the partition plate 17 Plate 16, the top of the deodorizing box 2 is connected with an exhaust pipe 14.

As shown in FIG. 1 , a sealing ring 4 is attached to the pipe edge of the water inlet pipe 3. When the water inlet pipe 3 and the external water pipe are connected by flanges, they can play a sealing role to prevent odors from drifting. The mesh size of the plate 601 is smaller than the size of the activated carbon block to prevent the activated carbon block from falling from the mesh of the mesh plate 601 .

As shown in Figures 1 and 2, the air duct 15 at one end of the air booster pump 13 is inserted into the bottom of the deodorization box 2 through a plurality of partition plates 17, so that the exhaust gas can start from the bottom of the deodorization box 2 with the The sodium hypochlorite solution reacts, and a plurality of partition plates 17 separate the sodium hypochlorite solution. Since the gas density is smaller than that of the liquid, the exhaust gas will float up and down from right to left. This folding design can ensure that the exhaust gas can remain in the sodium hypochlorite solution for a long time. In order to ensure the effect of removing peculiar smell in the exhaust gas, the contact part of the air duct 15 and the partition plate 17 is welded and fixed, and the welding fixing method prevents the exhaust gas from escaping from the gap between the air duct 15 and the partition plate 17 .

As shown in FIG. 3 and FIG. 4 , the six branch pipes 502 are arranged in a ring shape, and the included angle between each branch pipe 502 is 60 degrees, so that the leachate can fall on the surface of the activated carbon tank 6 in a dispersed manner.

As shown in FIG. 5 , the activated carbon tank 6 includes a tank body frame and a mesh plate 601 . The mesh plate 601 is fixed at the bottom of the tank body frame. After filtering through the activated carbon block, the permeate can seep out from the bottom mesh plate 601 .

The motor 11 adopts the PL22-750W-10S model.

The air booster pump 13 adopts the DK530 model.

The air suction pump 20 adopts the FUJ-PCV model.

The electrical components appearing in this article are all electrically connected with the external main controller and the 220V mains, and the main controller can be a conventionally known device controlled by a computer or the like.

Working principle: When in use, the leachate is passed from the water inlet pipe 3 to the water distribution pipe 5, the leachate enters the branch pipe 502 from the water inlet 503 of the water distribution pipe 5, and then the leachate is drained from each of the six branch pipes 502. The leachate is discharged from the port 504, and the dispersed and discharged leachate falls on the surface of the activated carbon block in the activated carbon tank 6, and the leachate is preliminarily filtered through the activated carbon block, and the activated carbon has an excellent deodorization effect. Thus, the preliminary filtration of the leachate is completed. The preliminarily treated leachate falls into the stirring tank 7 through the activated carbon, the stirring plate 12 is driven to rotate by the motor 11, and the leachate and the chlorine dioxide solution 19 are stirred by the stirring plate 12 to allow them to fully react. The leachate is deodorized and disinfected to reduce the toxicity in the leachate. At the same time, during the stirring process, the peculiar smell in the leachate will diffuse in a large amount. The pressure pump 13 is pressurized and fed into the sodium hypochlorite solution at the bottom of the deodorizing box 2. The density of the exhaust gas is less than that of the liquid, so the exhaust gas will gradually float up and pass through the folded channels formed by the plurality of partition plates 17. The solution reacts fully, and uses sodium hypochlorite solution to purify the odor and toxicity in the exhaust gas, then emerges from the sodium hypochlorite solution, and is filtered by the HEPA filter screen 16 again, so that the exhaust gas is discharged from the exhaust pipe 14 . After the filtration is completed, the valve 9 can be opened to drain the leachate from the drain pipe 8 .

To sum up, the structure design of the utility model is reasonable, the leachate is disinfected and deodorized by the combination of physics and chemistry, and the landfill leachate is dispersed by the water distribution pipe 5. The whole water distribution pipe 5 is composed of six branch pipes 502. Each branch pipe 502 diverts the landfill leachate to different positions respectively, so that the leachate can fully contact the activated carbon in different positions in the activated carbon tank 6 when it flows out, and the activated carbon is used to perform preliminary filtration and deodorization of the leachate; When the activated carbon tank 6 falls into the stirring tank 7, the chlorine dioxide solution 19 in the stirring tank 7 reacts with the leachate, kills microorganisms and bacteria in the leachate, reduces the toxicity and peculiar smell of the leachate, and uses stirring at the same time. The plate 12 stirs the leachate to make it fully react. While stirring, the peculiar smell of the leachate will be emitted. The air pump 20 and the air booster pump 13 are used to pass the emitted peculiar smell to the bottom of the deodorization box 2. The sodium hypochlorite solution 18 in the odor box 2 filters and deodorizes the gas, and the deodorized exhaust gas is filtered and discharged through the HEPA filter screen plate 16; the partition plate 17 in the deodorization box 2 forms a folded channel, so that the exhaust gas can interact with The sodium hypochlorite solution 18 is combined for a longer time, allowing it to fully react, thereby eliminating the odor.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

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.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a landfill leachate disinfection deodorizing device, includes disinfect box (1) and deodorization case (2), its characterized in that: the top of the disinfection box (1) is communicated with a water inlet pipe (3), one end of the water inlet pipe (3) is communicated with a water distribution pipe (5), the water distribution pipe (5) comprises a main pipe (501) and six branch pipes (502), the six branch pipes (502) are L-shaped, one ends of water inlets (503) of the branch pipes (502) are inserted into the main pipe (501), a plurality of water outlets (504) are arranged on the branch pipes (502), an activated carbon groove (6) is arranged below the water distribution pipe (5), the activated carbon groove (6) is fixed on the inner wall of the disinfection box (1), the activated carbon groove (6) is filled with activated carbon blocks, a stirring groove (7) is arranged below the activated carbon groove (6), a motor (11) is arranged at the bottom of the stirring groove (7), one end of the motor (11) is connected with a rotary rod (10) through a coupling, and the rotary rod (10) is inserted into the stirring groove (7), a plurality of stirring plates (12) are fixed on the rotating rod (10), a drain pipe (8) is communicated with the side surface of the stirring tank (7), the drain pipe (8) extends out from one side of the disinfection tank (1), a valve (9) is installed on the drain pipe (8), chlorine dioxide solution (19) is contained in the stirring tank (7), an air duct (15) is connected on the inner wall of the disinfection tank (1) between the activated carbon tank (6) and the stirring tank (7), one end of the air duct (15) is communicated with an air suction pump (20), the air suction pump (20) is communicated with an air inlet of the air booster pump (13), the air outlet of the air booster pump (13) is communicated with the air duct (15), the air duct (15) communicated with the air outlet is inserted into the deodorization tank (2), a plurality of partition plates (17) are transversely fixed on the inner wall of the deodorization tank (2), and the partition plates (17) are alternately fixed on the inner wall of the deodorization tank (2), sodium hypochlorite solution (18) is contained in the deodorization box (2), a HEPA filter screen plate (16) is arranged above the partition plate (17), and an exhaust pipe (14) is connected to the top of the deodorization box (2).

2. The landfill leachate disinfection and deodorization device of claim 1, wherein: the pipe edge on inlet tube (3) is gone up the laminating and is had sealing washer (4).

3. The landfill leachate disinfection and deodorization device of claim 1, wherein: the air guide pipe (15) at one end of the air outlet of the air booster pump (13) penetrates through a plurality of partition plates (17) and is inserted into the bottom of the deodorization box (2), and the contact part of the air guide pipe (15) and the partition plates (17) is welded and fixed.

4. The landfill leachate disinfection and deodorization device of claim 1, wherein: the six branch pipes (502) are arranged in a ring shape, and included angles among the branch pipes (502) are sixty degrees.

5. The landfill leachate disinfection and deodorization device of claim 1, wherein: the activated carbon tank (6) comprises a tank body frame and a screen plate (601), and the screen plate (601) is fixed at the bottom of the tank body frame.

6. The landfill leachate disinfection and deodorization device of claim 5, wherein: the mesh size of the screen plate (601) is smaller than that of the activated carbon block.

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