CN214078432U

CN214078432U - Organic waste treatment device

Info

Publication number: CN214078432U
Application number: CN202022739279.9U
Authority: CN
Inventors: 杨阳; 张景志; 侯磊
Original assignee: Beijing Jingyao Environmental Technology Co ltd
Current assignee: Beijing Jingyao Environmental Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-08-31
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses an organic waste treatment device, the device includes: the pretreatment device is internally provided with a crushing device; the reactor comprises an inner cavity and an outer cavity which are mutually isolated, and the outer cavity surrounds the outside of the inner cavity; the pretreatment device is communicated with the inner cavity; the rotating shaft penetrates through the inner cavity, and a plurality of stirring devices are arranged on the rotating shaft; the condenser is communicated with the inner cavity through a condensing pipe; the inlet end of the combustor is connected with the first outlet of the condenser, the outlet end of the combustor is communicated with the outer cavity through a hot gas leading-in pipe, and the inlet end of the combustor is communicated with the outer cavity through a hot gas leading-out pipe; and the liquefied gas collecting device is connected with the second outlet of the condenser. The utility model has the advantages that: firstly, the comprehensive treatment of solid, liquid and gas organic wastes can be realized; secondly, the products after pyrolysis can be recycled, so that waste is changed into valuable; thirdly, self-heating can be realized for the pyrolysis reaction, and the treatment cost is effectively reduced.

Description

Organic waste treatment device

Technical Field

The utility model relates to an environmental protection technical field particularly, relates to an organic waste processing apparatus.

Background

The organic waste treatment refers to the physical, chemical and biological treatment of organic waste and pollutants thereof, so that the pollution to the environment is reduced and even the waste is changed into valuable. The basic processing method comprises the following steps: composting, incineration, sanitary landfill, plasma treatment, pyrolysis and the like. The composting method and the sanitary landfill have strict requirements on the field, and the treatment object is single; the plasma treatment needs more complex equipment and has higher treatment cost; the smoke generated in the burning process not only causes secondary pollution, but also can not thoroughly eliminate the dioxin generated in the burning process. Pyrolysis processes are therefore becoming increasingly interesting through their unique advantages. The pyrolysis method is limited to solid organic waste at present, and the application of the pyrolysis method to liquid or gas organic waste treatment is rarely reported; meanwhile, the technology for recovering the products after pyrolysis is not mature.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide an organic waste treatment apparatus.

The utility model provides an organic waste treatment device, the device includes:

the pretreatment device is internally provided with a crushing device;

the reactor comprises an inner cavity and an outer cavity which are isolated from each other, wherein the outer cavity surrounds the outer part of the inner cavity; the pretreatment device is communicated with the inner cavity;

the rotating shaft penetrates through the inner cavity, and a plurality of stirring devices are arranged on the rotating shaft;

the condenser is communicated with the inner cavity through a condensation pipe;

the inlet end of the burner is connected with the first outlet of the condenser, the outlet end of the burner is communicated with the outer cavity through a hot gas leading-in pipe, and the inlet end of the burner is communicated with the outer cavity through a hot gas leading-out pipe;

a liquefied gas collection device connected to the second outlet of the condenser.

As a further improvement, the utility model also comprises a residue collecting device, which is communicated with the inner cavity through a residue outlet.

As a further improvement of the present invention, the inside of the pretreatment device is provided with a grid, and the grid is located below the crushing device.

As a further improvement, the utility model discloses a plurality of agitating unit is equidistant arrange in the pivot.

As a further improvement of the present invention, each of the ends of the stirring device is provided with a scraper, the scraper being rotatably connected to the ends of the stirring device.

As a further improvement of the utility model, when the pyrolysis reaction is carried out, the scraper plate is superposed with the corresponding stirring device; when the pyrolysis reaction is finished, the scraper is perpendicular to the corresponding stirring device, and the scraper is in contact with the inner wall of the inner cavity.

As a further improvement, the hot air leading-in pipe is provided with a plurality of pipes.

As a further improvement, the inner chamber is connected with a first vacuum pump through a pipeline, and the condenser is connected with a second vacuum pump through a pipeline.

As a further improvement of the utility model, the bottom of the pretreatment device is provided with a magnetization device.

As a further improvement, the aperture of the grid is not more than 25 mm.

The utility model has the advantages that: firstly, the comprehensive treatment of solid, liquid and gas organic wastes can be realized; secondly, the products after pyrolysis can be recycled, so that waste is changed into valuable; thirdly, self-heating can be realized for the pyrolysis reaction, and the treatment cost is effectively reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive faculty.

FIG. 1 is a schematic structural view of an organic waste treatment apparatus according to an embodiment of the present invention.

In the figure, the position of the upper end of the main shaft,

1. a pretreatment device; 11. a crushing device; 12. a grid; 2. a reactor; 21. an inner cavity; 22. an outer cavity; 23. a rotating shaft; 24. a stirring device; 25. a hot gas delivery pipe; 26. a hot gas introduction pipe; 27. a condenser tube; 28. a residue outlet; 3. a condenser; 31. a first outlet; 32. a second outlet; 4. a burner; 5. a residue collection device; 6. liquefied gas mobile phone device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, in the description of the present invention, the terms used are for illustrative purposes only and are not intended to limit the scope of the present invention. The terms "comprises" and/or "comprising" are used to specify the presence of stated elements, steps, operations, and/or components, but do not preclude the presence or addition of one or more other elements, steps, operations, and/or components. The terms "first," "second," and the like may be used to describe various elements, not necessarily order, and not necessarily limit the elements. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified. These terms are only used to distinguish one element from another. These and/or other aspects will become apparent and those skilled in the art will more readily appreciate the description of the embodiments of the present invention presented in conjunction with the following drawings. The drawings are only for purposes of illustrating the described embodiments of the invention. One skilled in the art will readily recognize from the following description that alternative embodiments of the structures and methods illustrated in the present application may be employed without departing from the principles of the invention.

As shown in fig. 1, an organic waste treatment apparatus according to an embodiment of the present invention includes:

the pretreatment device 1 is provided with a crushing device 11 therein. The pretreatment apparatus 1 performs pretreatment operations on liquid, gaseous and solid organic wastes, and it is possible to determine which pretreatment processes are used according to the kind or form of the organic wastes to be treated. As it relates to the treatment of gaseous and liquid organic waste, the pre-treatment device 1 is provided with a cover so that the pre-treatment device 1 forms a sealed chamber. In this embodiment, the crushing device 11 is disposed inside the pretreatment device 1 for crushing the solid organic waste, so that the organic waste can smoothly enter the reactor 2; on the other hand, the thermal contact area of the organic waste can be increased, and the pyrolysis efficiency of the organic waste is improved. Preferably, a catalyst adding device is also arranged in the pretreatment device 1, so that an alkaline catalyst is added into the pretreatment device 1, and when acidic gas or liquid organic waste is treated, the organic waste can be absorbed and neutralized.

A reactor 2 including an inner chamber 21 and an outer chamber 22 isolated from each other, the outer chamber 22 surrounding the outer portion of the inner chamber 21; the pretreatment device 1 communicates with the inner chamber 21. The reactor 2 is used for implementing a pyrolysis process of organic waste, the organic waste is conveyed into the inner cavity 21, and the outer cavity 22 is filled with heating gas to heat the inner cavity 21, so that the organic waste in the inner cavity 21 is pyrolyzed. In this embodiment, the pretreatment device 1 is disposed above the reactor 2, the bottom end of the pretreatment device 1 is connected to the top end of the inner chamber 21, and the pretreated organic waste enters the inner chamber 21 under the action of its own weight. Preferably, a screw propeller may be longitudinally provided in the pretreatment device 1, or a vibration device may be provided at the outer bottom of the pretreatment device 1, so as to better allow the pretreated organic waste to enter the inner chamber 21 for pyrolysis treatment.

And the rotating shaft 23 penetrates through the inner cavity 21, and a plurality of stirring devices 24 are arranged on the rotating shaft 23. The rotating shaft 23 drives the stirring devices 24 to rotate to fully stir the organic waste in the inner cavity 21, so that the organic waste can be more fully contacted with the outer cavity 22, and the pyrolysis efficiency of the organic waste is improved. The rotating shaft 23 is connected with an external motor, and the rotating speed of the rotating shaft 23 can be adjusted by controlling the motor.

And a condenser 3 communicating with the inner chamber 21 through a condensation pipe 27. The condenser 3 is used for condensing gas or liquid after the organic waste is pyrolyzed. The gas products after the organic waste pyrolysis are generally hydrogen, methane, carbon monoxide and the like, all are combustible gases, and the products after combustion are pollution-free. The gaseous products of the organic waste after pyrolysis can be recycled by condensation.

The inlet end of the burner 4 is connected to the first outlet 31 of the condenser 3, the outlet end of the burner 4 is communicated with the outer chamber 22 through the hot gas introducing pipe 26, and the inlet end of the burner 4 is communicated with the outer chamber 22 through the hot gas introducing pipe 25. The burner 4 is used to combust a combustible gas to provide a heat source for the outer chamber 22. When the pyrolysis reaction is just started, combustible gas of pyrolysis products is not generated, and the burner 4 can supply heat to the outer cavity 22 through the external combustible gas; when the pyrolysis reaction generates stable combustible gas, the supply of external combustible gas can be stopped, and the burner 4 can supply heat to the outer cavity 22 through the combustible gas generated by the pyrolysis reaction. In this embodiment, the inlet end of the burner 4 is communicated with the condenser 3 through the first outlet 31, and the combustible gas which is not condensed in the condenser 3 can enter the burner 4 through the first outlet 31 for combustion and heat supply. The heating gas enters the outer chamber 22 through the hot gas inlet 26 and then enters the burner 4 again through the hot gas outlet 25 for cyclic heating. In this embodiment, the hot gas inlet pipe 26 is disposed at the left end of the outer cavity 22, the hot gas outlet pipe 25 is disposed at the right end of the outer cavity 22, and the hot gas inlet pipe 26 and the hot gas outlet pipe 25 are disposed at the upper and lower sides of the outer cavity 22, so that the circulation of hot gas in the outer cavity 22 can be more effectively realized.

A liquefied gas collecting device 6 connected to the second outlet 32 of the condenser 3. The combustible gas condensed in the condenser 3 enters the liquefied gas collection device 6 through the second outlet 32 to be recovered and stored. Preferably, a purifier and an explosion-proof device are arranged between the second outlet 32 and the liquefied gas collecting device 6, and condensed combustible gas is purified and subjected to explosion-proof treatment and then stored in the liquefied gas collecting device 6, so that the use safety of the combustible gas is improved.

Further, a residue collection device 5 is included, which communicates with the inner chamber 21 via a residue outlet 28. After the organic waste is subjected to pyrolysis reaction, solid products such as coke are generated, and the generated solid products are discharged to the residue collection device 5 through the residue outlet 28 for subsequent treatment. Preferably, a cooling device is provided between the residue outlet 28 and the residue collection device 5 for continuous cooling treatment of the solid product.

Further, a grating 12 is provided inside the pretreatment device 1, and the grating 12 is located below the pulverization device 11. The grid 12 allows the liquid organic waste to be filtered, the solid impurities contained therein to be retained at the upper portion of the grid 12, and the pyrolysis reaction is performed in the reactor 2 after being pulverized by the pulverizing device 11.

Further, a plurality of stirring devices 24 are arranged on the rotating shaft 23 at equal intervals. Can realize even stirring to the organic waste in the inner chamber 21, make the organic waste of each position department in the inner chamber 21 can both the thermally equivalent, evenly carry out pyrolytic reaction.

Further, the end of each stirring device 24 is provided with a scraper, and the scraper is rotatably connected with the corresponding end of the stirring device 24.

Further, when the pyrolysis reaction in the reactor 2 is carried out, the scraper coincides with the corresponding stirring device 24; when the pyrolysis reaction in the reactor 2 is finished, the scraper is perpendicular to the corresponding stirring device 24, and the scraper is contacted with the inner wall of the inner cavity 21.

Coking is often generated on the inner wall of the cavity 21 during the pyrolysis reaction, and the scraper is used for scraping the coking on the inner wall of the cavity 21. In order to reduce the resistance of the stirring device 24, the scraper is rotated to the position which is overlapped with the stirring device 24 and is fixed, so that only stirring action is generated; after the pyrolysis reaction is finished, the coke on the inner wall of the inner cavity 21 needs to be scraped, the scraper is rotated to a position which is vertical to the stirring device 24 and enables the scraper to be just contacted with the inner wall of the inner cavity 21 to fix the inner wall, and the scraper is driven to rotate through the rotation of the rotating shaft 23 to scrape the coke on the inner wall of the inner cavity 21.

Further, the hot gas introduction pipe 26 is provided in plural.

Further, the inner cavity 21 is connected with a first vacuum pump through a pipeline, and the condenser 3 is connected with a second vacuum pump through a pipeline. The products of the pyrolysis reaction are combustible gas or liquid, and the pyrolysis products in the inner cavity 21 and the condenser 3 are in a high-temperature state, so that in order to avoid explosion of the combustible gas or liquid, the inner cavity 21 and the condenser 3 are subjected to vacuum treatment by a vacuum pump, so that air or oxygen in the inner cavity 21 and the condenser 3 is in a safe range, and the explosion risk is reduced. Preferably, valves are arranged on the connecting pipeline of the inner cavity 21 and the first vacuum pump and the connecting pipeline of the condenser 3 and the second vacuum pump, and the control of the vacuum environment of the inner cavity 21 and the condenser 3 is realized by opening or closing the valves.

Further, a magnetizing device is arranged at the bottom of the pretreatment device 1. The magnetic ring device is used for carrying out magnetization treatment on the pretreated organic waste, so that the activation energy of the organic waste is improved, and the pyrolytic reaction of the organic waste is facilitated. Thereby reducing the temperature of the pyrolysis reaction and further avoiding the generation of dioxin.

Further, the aperture of the grid 12 is not larger than 25 mm. Grid 12 can be to the organic waste after smashing screening, makes the organic waste that the particle size meets the requirements get into reactor 2, makes the organic waste that the particle size does not meet the requirements stay in grid 12 upper portion, carries out the shredding again, is favorable to going on of follow-up pyrolytic reaction. In the present embodiment, the aperture of the grid 12 is set to 25mm, and the organic substances smaller than the aperture size are more likely to undergo pyrolysis reaction. The aperture of the grid 12 may be set according to the kind of organic waste to be treated, not limited to the above aperture range.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Furthermore, those of ordinary skill in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.

It will be understood by those skilled in the art that while the invention has been described with reference to exemplary embodiments, various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. An organic waste treatment apparatus, comprising:

a pretreatment device (1) provided with a crushing device (11) therein;

a reactor (2) comprising an inner chamber (21) and an outer chamber (22) isolated from each other, the outer chamber (22) surrounding the outside of the inner chamber (21); the pretreatment device (1) is communicated with the inner cavity (21);

the rotating shaft (23) penetrates through the inner cavity (21), and a plurality of stirring devices (24) are arranged on the rotating shaft (23);

a condenser (3) communicating with the inner chamber (21) through a condenser tube (27);

a burner (4) having an inlet end connected to the first outlet (31) of the condenser (3), an outlet end of the burner (4) being in communication with the outer chamber (22) via a hot gas inlet pipe (26), and an inlet end of the burner (4) being in communication with the outer chamber (22) via a hot gas outlet pipe (25);

a liquefied gas collection device (6) connected to the second outlet (32) of the condenser (3).

2. An organic waste treatment device according to claim 1, further comprising a debris collection device (5) in communication with the interior chamber (21) via a debris outlet (28).

3. The organic waste treatment apparatus according to claim 1, wherein a grating (12) is provided inside the pretreatment apparatus (1), and the grating (12) is located below the pulverization apparatus (11).

4. The organic waste treatment apparatus according to claim 1, wherein the plurality of stirring devices (24) are disposed on the shaft (23) at equal intervals.

5. The organic waste treatment apparatus according to claim 4, wherein the plurality of stirring devices (24) are provided at ends thereof with scrapers, respectively, which are rotatably connected to the ends of the corresponding stirring devices (24).

6. The organic waste treatment apparatus according to claim 5, wherein the scrapers coincide with their corresponding stirring devices (24) while the pyrolysis reaction in the reactor (2) is proceeding; when the pyrolysis reaction in the reactor (2) is finished, the scraper is vertical to the corresponding stirring device (24), and the scraper is contacted with the inner wall of the inner cavity (21).

7. The organic waste treatment apparatus according to claim 1, wherein the hot gas introduction pipe (26) is provided in plurality.

8. The organic waste treatment apparatus according to claim 1, wherein the inner chamber (21) is connected to a first vacuum pump through a pipe, and the condenser (3) is connected to a second vacuum pump through a pipe.

9. The organic waste treatment apparatus according to claim 1, wherein the bottom of the pretreatment apparatus (1) is provided with a magnetizing means.

10. An organic waste treatment device according to claim 3, wherein the aperture of the grid (12) is not more than 25 mm.