CN217411130U - Multistage sand removing device for kitchen waste - Google Patents

Abstract

The application relates to the technical field of kitchen waste, provides a multistage sand removal device of kitchen waste, include: one-level whirl desander and second grade whirl desander, be equipped with first feed inlet on the one-level whirl desander, first discharge gate and first return opening, first feed inlet sets up the one side at one-level whirl desander, first return opening sets up the opposite side at one-level whirl desander, first discharge gate sets up the top at one-level whirl desander, be equipped with second feed inlet and second discharge gate on the second grade whirl desander, the second feed inlet is close to one-level whirl desander setting, the second discharge gate sets up the top at second grade whirl desander, be equipped with first return pipe between first discharge gate and the second feed inlet, be equipped with the second return pipe between first return opening and the second discharge gate, be equipped with the material return pump on the first return pipe. Therefore, the kitchen waste can be subjected to multi-cycle desanding between the first-stage cyclone desander and the second-stage cyclone desander, and the desanding effect is ensured.

Description

Multistage sand removing device for kitchen waste

Technical Field

The application belongs to the technical field of kitchen waste treatment, and more specifically relates to a multistage sand removal device for kitchen waste.

Background

The traditional treatment process of the kitchen waste is to adopt an anaerobic fermentation process for treatment except incineration. A first-stage cyclone desander is generally used for desanding before anaerobic fermentation, and the first-stage cyclone desander is used independently at present, so that the treatment effect is poor, a large number of heavy substances are usually brought into an anaerobic reactor, and a series of hazards are brought to the rear-end methane production process. Therefore, how to select an efficient desanding technology becomes a key ring of anaerobic treatment of the kitchen waste.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a multistage sand removing device of kitchen garbage to solve the poor technical problem of kitchen garbage degritting effect among the prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a multistage sand removal device of kitchen garbage, includes: the first-stage cyclone desander and the second-stage cyclone desander are provided with a first feed inlet, a first discharge outlet and a first return port, the first feed inlet is arranged on one side of the first-stage cyclone desander, the first return port is arranged on the other side of the first-stage cyclone desander, the first discharge outlet is arranged at the top of the first-stage cyclone desander, the second feed inlet and a second discharge outlet are arranged on the second-stage cyclone desander, the second feed inlet is close to the first-stage cyclone desander, the second discharge outlet is arranged at the top of the second-stage cyclone desander, a first return pipe is arranged between the first discharge outlet and the second feed inlet, a second return pipe is arranged between the first return port and the second discharge outlet, and a return pump is arranged on the first return pipe.

In one embodiment, a material return valve is arranged on the first return pipe.

In one embodiment, a discharge pipe is arranged at the joint of the first return pipe and the first discharge port.

In one embodiment, a discharge valve is arranged at the end of the discharge pipe remote from the first return pipe.

In one embodiment, the first backflow port is arranged at intervals along the axis of the primary cyclone sand remover.

In one embodiment, the second return pipe is arranged tangentially to the primary cyclone sand remover.

In one embodiment, a first sand discharge pipe is arranged at the bottom of the primary cyclone sand remover, a first sand discharge valve is arranged on the first sand discharge pipe, and the first sand discharge pipe is connected with a first sand collecting box; and a second sand discharge pipe is arranged at the bottom of the second-stage cyclone sand remover, a second sand discharge valve is arranged on the second sand discharge pipe, and the second sand discharge pipe is connected with a second sand collecting box.

The application provides a pair of multistage sand removal device of kitchen garbage's beneficial effect lies in: through setting up first back flow pipe and second back flow between one-level whirl sand remover and the second grade whirl sand remover, and set up the feed back pump on first back flow pipe, can make kitchen garbage carry out the multicycle sand removal between one-level whirl sand remover and second grade whirl sand remover like this to guarantee the desanding effect.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic front view structure diagram of a multistage kitchen waste desanding device provided in an embodiment of the present application;

fig. 2 is a schematic top view structure diagram of the multistage kitchen waste desanding device provided by the embodiment of the application.

Wherein, in the figures, the various reference numbers:

1. a first-stage cyclone desander; 11. a first feed port; 12. a first discharge port; 13. a first return port; 14. a first sand discharge pipe; 15. a first sand discharge valve; 16. a first sand receiving box; 2. a secondary cyclone desander; 21. a second feed port; 22. a second discharge port; 23. a second sand discharge pipe; 24. a second sand discharge valve; 25. a second sand receiving box; 3. a first return pipe; 31. a feed back pump; 32. a material return valve; 33. a flow meter; 4. a second return pipe; 5. a discharge pipe; 51. a discharge valve.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1 and fig. 2, a multistage kitchen waste desanding device provided in an embodiment of the present application will now be described. The multistage desanding device for the kitchen waste comprises a first-stage cyclone desander 1 and a second-stage cyclone desander 2. Wherein, the first-stage cyclone desander 1 is provided with a first feed inlet 11, a first discharge outlet 12 and a first return port 13; the first feed inlet 11 is arranged on one side of the first-stage cyclone desander 1, the first backflow port 13 is arranged on the other side of the first-stage cyclone desander 1, the position of the first feed inlet 11 is higher than that of the first backflow port 13, and the first discharge outlet 12 is arranged at the top of the first-stage cyclone desander 1. The second-stage cyclone desander 2 is provided with a second feeding hole 21 and a second discharging hole 22; the second feed inlet 21 is arranged close to the primary cyclone sand remover 1, and the second discharge outlet 22 is arranged at the top of the secondary cyclone sand remover 2.

A first return pipe 3 is arranged between the first discharge hole 12 and the second feed hole 21 for communication, a second return pipe 4 is arranged between the first return hole 13 and the second discharge hole 22 for communication, a return pump 31 is arranged on the first return pipe 3, and the return pump 31 is used for providing power. When the kitchen waste desanding device works, kitchen waste enters a primary cyclone through a first feed inlet 11 to be subjected to primary desanding, a feed back pump 31 works to enable the kitchen waste subjected to the primary desanding in the primary cyclone to enter a secondary cyclone desander 2 through a first return pipe 3 to be subjected to secondary desanding, and the kitchen waste subjected to the secondary desanding enters a primary cyclone desander 1 again through a second return pipe 4 to be subjected to tertiary desanding, so that the kitchen waste is desanded for three times in one cycle, and the desanding effect is greatly improved; in order to improve the final sand removal rate, sand can be removed in a plurality of cycles.

In this embodiment, through setting up first back flow pipe 3 and second back flow pipe 4 between one-level whirl sand remover 1 and the second grade whirl sand remover 2, and set up feed back pump 31 on first back flow pipe 3, can make kitchen garbage carry out the multicycle sand removal between one-level whirl sand remover 1 and second grade whirl sand remover 2 like this to guarantee the desanding effect.

In this embodiment, the first return pipe 3 is provided with a material return valve 32 for controlling the opening and closing of the first return pipe 3, and the first return pipe 3 can be further provided with a flow meter 33, so that the return ratio can be controlled, the feeding and discharging functions can be controlled, and continuous sand removal can be realized.

In the present embodiment, a discharge pipe 5 is provided at the connection between the first return pipe 3 and the first discharge opening 12, and a discharge valve 51 is provided at an end of the discharge pipe 5 away from the first return pipe 3. Under normal condition, bleeder valve 51 is in the closed condition for the kitchen garbage circulates the degritting between one-level whirl sand remover 1 and second grade whirl sand remover 2 like this, and after the degritting rate reached the requirement, bleeder valve 51 was opened, thereby kitchen garbage after the degritting can discharge to subsequent refuse treatment equipment in through discharging pipe 5. The arrangement is free from more discharge ports on the primary cyclone desander 1, so that the device can be realized by utilizing the existing cyclone desander, and the cost is saved.

In this embodiment, first backflow port 13 is provided with a plurality ofly along the axis interval of one-level whirl sand remover 1, and the kitchen garbage that sets up like this and to increase the backward flow can produce a plurality of lateral thrust for kitchen garbage mobility reinforcing in the one-level sand remover, thereby increase the effect of removing sand in one-level whirl sand remover 1.

In this embodiment, second back flow 4 and the tangent setting of one-level whirl sand remover 1, the purpose that sets up like this produces bigger side thrust when making the kitchen garbage of backward flow enter into one-level whirl sand remover 1 in to the kitchen garbage in the one-level whirl sand remover 1 plays the stirring effect, thereby improves the effect of degritting.

In the embodiment, a first sand discharge pipe 14 is arranged at the bottom of the primary cyclone sand remover 1, a first sand discharge valve 15 is arranged on the first sand discharge pipe 14, and the first sand discharge pipe 14 is connected with a first sand receiving box 16; the bottom of the second-stage cyclone desander 2 is provided with a second sand discharge pipe 23, the second sand discharge pipe 23 is provided with a second sand discharge valve 24, and the second sand discharge pipe 23 is connected with a second sand receiving box 25. The first and second sand-receiving boxes 16 and 25 are used for temporarily storing the separated sand, and then discharging the sand to a sand-processing facility.

In this embodiment, during actual operation, first feed inlet 11 can last the feeding, and discharging pipe 5 can last the ejection of compact, can carry out the degritting to kitchen garbage like this continuously ground. In the actual working process, the kitchen waste can be mixed for many times, the concentration is reduced, and the sand removal for many times is realized through the proportion of feeding and discharging, so that the production efficiency is improved.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (7)

1. The utility model provides a multistage sand removal device of kitchen garbage which characterized in that includes: the cyclone sand remover comprises a primary cyclone sand remover (1) and a secondary cyclone sand remover (2), wherein a first feed port (11), a first discharge port (12) and a first return port (13) are arranged on the primary cyclone sand remover (1), the first feed port (11) is arranged on one side of the primary cyclone sand remover (1), the first return port (13) is arranged on the other side of the primary cyclone sand remover (1), the first discharge port (12) is arranged at the top of the primary cyclone sand remover (1), a second feed port (21) and a second discharge port (22) are arranged on the secondary cyclone sand remover (2), the second feed port (21) is close to the primary cyclone sand remover (1), the second discharge port (22) is arranged at the top of the secondary cyclone sand remover (2), a first return pipe (3) is arranged between the first discharge port (12) and the second feed port (21), a second return pipe (4) is arranged between the first return port (13) and the second discharge port (22), and a return pump (31) is arranged on the first return pipe (3).

2. The multistage kitchen waste desanding device of claim 1, which comprises: and a material return valve (32) is arranged on the first return pipe (3).

3. The multistage kitchen waste desanding device of claim 2, which comprises: a discharge pipe (5) is arranged at the joint of the first return pipe (3) and the first discharge hole (12).

4. The multistage kitchen waste desanding device of claim 3, which comprises: and a discharge valve (51) is arranged at one end of the discharge pipe (5) far away from the first return pipe (3).

5. The multistage kitchen waste desanding device according to claim 4, which comprises: the first backflow ports (13) are arranged at intervals along the axis of the primary cyclone sand remover (1).

6. The multistage kitchen waste desanding device of claim 5, which comprises: the second return pipe (4) is arranged in a tangent mode with the first-stage cyclone desander (1).

7. The multistage kitchen waste desanding device according to any one of claims 1 to 6, which comprises: a first sand discharge pipe (14) is arranged at the bottom of the primary cyclone sand remover (1), a first sand discharge valve (15) is arranged on the first sand discharge pipe (14), and the first sand discharge pipe (14) is connected with a first sand collecting box (16); the bottom of the secondary cyclone sand remover (2) is provided with a second sand discharge pipe (23), the second sand discharge pipe (23) is provided with a second sand discharge valve (24), and the second sand discharge pipe (23) is connected with a second sand receiving box (25).

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