CN212408687U

CN212408687U - Lower air distribution medical garbage treatment vehicle combustion chamber

Info

Publication number: CN212408687U
Application number: CN202020892222.XU
Authority: CN
Inventors: 王凤君; 周保东; 孙正路; 刘宏; 武勇; 王永堂; 岳亮
Original assignee: Hadian Power Equipment National Engineering Research Center Co Ltd
Current assignee: Harbin Electric Science And Technology Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-01-26
Anticipated expiration: 2030-05-25

Abstract

A combustion chamber of a lower air distribution medical waste treatment vehicle belongs to the technical field of new energy environmental protection. The utility model provides a current small-size oxygen boosting type combustion chamber burn insufficient problem. The utility model discloses a box, combustor, idiosyncratic air distribution pipe, export wind channel and grate, install a plurality of combustors on the lateral wall of box, the lateral wall that the end of spouting of combustor passed the box is connected with the inner chamber of box, and a plurality of air distribution pipes are installed on the lateral wall of box, and it has the export wind channel to open on the lateral wall of box, and the grate is installed on the inboard bottom plate of box, installs the supporting shoe between the inboard bottom plate of box and the grate. The utility model discloses a join in marriage tuber pipe input air current and form the turn-ups of air current in the combustion chamber, make the rubbish of burning in the combustion chamber fully contact with the air all the time, improved the burn-off rate of rubbish in the combustion chamber.

Description

Lower air distribution medical garbage treatment vehicle combustion chamber

Technical Field

The utility model relates to a lower air distribution medical refuse treatment vehicle combustion chamber belongs to new forms of energy environmental protection technical field.

Background

At present, the combustion chamber type about refuse treatment, solid useless processing divide into large-scale fixed combustion chamber, stir broken formula combustion chamber and small-size oxygen-enriched type combustion chamber three kinds, large-scale fixed combustion chamber is often used for handling a large amount of medical waste, its principle is the burning that utilizes fuel such as coal, fuel and gas, the object that will handle carries out high temperature burning carbonization, the purpose of disinfection has been reached, stir broken formula combustion chamber adopts supplementary stirring or broken mechanism, constantly break up and stir the rubbish in the stove, and burn, reach the even effect of burning, small-size oxygen-enriched type combustion chamber adopts the structure of forced blast, it is the rubbish in the stove and the abundant contact of oxygen, and run through the combustion process all the time, in order to improve the burn-out rate, small-size oxygen-enriched type combustion chamber still has following several shortcomings at present:

1. the existing small-sized oxygen-enriched combustion chamber can generate the condition of uneven combustion due to the accumulation of garbage in the combustion process inside, thereby causing the condition that partial garbage is not burnt out.

2. At present, in the combustion process of the small oxygen-enriched combustion chamber, dust produced by burning garbage is easily accumulated in the ventilation pipe, so that the ventilation pipe is blocked, and the condition that the oxygen deficiency burn-out rate is not good in the combustion chamber is caused.

3. The existing small-sized oxygen-enriched combustion chamber needs the combustor to support combustion all the time, and when more garbage is in the combustion chamber, the combustor is blocked by the garbage and dust generated by burning the garbage, so that the combustion efficiency of the combustion chamber is influenced.

In view of the above, a need exists for a combustion chamber of a lower air distribution medical waste disposal vehicle to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a defect problem that exists at present small-size oxygen boosting type combustion chamber, to the not enough of prior art, the utility model discloses a "lower air distribution medical waste treatment car combustion chamber". A brief summary of the present invention is provided below in order to provide a basic understanding of some aspects of the present invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of the invention.

The technical scheme of the utility model:

the combustion chamber of the lower air distribution medical garbage treatment vehicle comprises a box body, burners, a special air distribution pipe, an outlet air duct and a grate, wherein the plurality of burners are installed on the side wall of the box body, the flaming ends of the burners penetrate through the side wall of the box body to be connected with the inner cavity of the box body, the special air distribution pipes are installed on the side wall of the box body, the outlet air duct is formed in the side wall of the box body, the grate is installed on an inner side bottom plate of the box body, and a supporting block is installed between the inner side bottom plate of the box body and the grate.

Furthermore, an air flow dispersing seat is installed on the inner side of the box body, the air flow dispersing seat is installed on the side wall of the box body, the upper end face of the air flow dispersing seat is connected with the grate, the lower end face of the air flow dispersing seat is connected with a bottom plate on the inner side of the box body, and the air flow dispersing seat and the specially-shaped air distribution pipe are oppositely arranged.

Furthermore, the box body is composed of a plurality of layers of heat-resistant heat-preservation materials and an outer shell.

Furthermore, the outer side of the flame-throwing end of the combustor is provided with a thickened annular refractory brick, the inner side of the box body is provided with a plurality of semi-arc-shaped ash shields, and the semi-arc-shaped ash shields are arranged on the upper half part of a nozzle exposed in the box body of the combustor.

Furthermore, the output end of the special air distribution pipe is provided with a turbulence uniform air distribution cover, and the diameter of the outlet end of the turbulence uniform air distribution cover is smaller than that of the output end of the special air distribution pipe.

The utility model has the advantages that:

1. this combustion chamber passes through combustion chamber bottom air distribution structure, and at the inside in-process that takes place the burning of combustion chamber, the wind path stroke that carries through the idiosyncratic air distribution pipe has the trend stroke adverse current state of sinking with solid rubbish, can guarantee air and solid rubbish fully to contact under the no stirring condition, reach abundant oxygen boosting burning attitude, it is more even to make rubbish burning, especially when rubbish is less, through the regulation of idiosyncratic air distribution pipe, can make rubbish be in the suspension burning state, guarantee the abundant burning of rubbish.

2. The grate separates the garbage from the air vent, prevents the garbage from blocking the air vent, keeps the air circulation in the combustion chamber and ensures that the combustion chamber is always in an oxygen-enriched state.

3. The thickened annular refractory bricks are laid near the fire-jet orifice of the burner, so that the position of the burner exposed from the fire-jet orifice is ensured to be as small as possible, the risk of blocking the fire-jet orifice of the burner due to accumulation of garbage is reduced, and the semi-arc-shaped ash-proof cover prevents heat from being transmitted outwards, so that the blockage of the burner fire-jet orifice by the garbage is prevented to a certain extent, and the cleanness of the burner is ensured.

4. The air current dispersion seat through the bottom installation makes the bottom be equipped with the idiosyncratic air distribution pipe of toper whirl and even cloth wind, and this kind of structure can spray the air with the straight line and disperse to the transverse direction, has certain even cloth wind effect, and the air current dispersion seat still has the reposition of redundant personnel and the guide effect with the wind direction both sides simultaneously, can further disperse the jet stream to both sides space, and toper whirl structure can also play buffering and settlement effect when combustion chamber pressure fluctuates, prevents the jam that the air-supply line probably takes place.

Drawings

FIG. 1 is an overall schematic view of a combustion chamber of a lower air distribution medical waste disposal vehicle;

FIG. 2 is a schematic view of the internal structure of a combustion chamber of the lower air distribution medical garbage disposal vehicle;

FIG. 3 is a front sectional view of a combustion chamber of the lower air distribution medical waste disposal vehicle;

FIG. 4 is a top cross-sectional view of the combustion chamber of the lower air distribution medical waste disposal vehicle;

fig. 5 is an air flow diagram at a special air distribution pipe of a combustion chamber of the lower air distribution medical waste treatment vehicle.

In the figure, 1-a box body, 2-a combustor, 3-a special air distribution pipe, 4-an outlet air channel, 5-a semi-arc-shaped ash prevention cover, 6-a grate, 7-an air flow dispersion seat, 8-a turbulent flow uniform air distribution cover, 9-a support seat and 10-a thickened annular refractory brick.

Detailed Description

In order to make the objects, solutions and advantages of the present invention more apparent, the present invention will be described with reference to the accompanying drawings. It should be understood that the description is intended to be exemplary, and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 5, and the combustion chamber of the lower air distribution medical waste disposal vehicle of the embodiment comprises a box body 1, burners 2, a special-shaped air distribution pipe 3, an outlet air duct 4 and a grate 6, wherein the plurality of burners 2 are installed on the side wall of the box body 1, the fire spraying ends of the burners 2 penetrate through the side wall of the box body 1 to be connected with the inner cavity of the box body 1, the plurality of special-shaped air distribution pipes 3 are installed on the side wall of the box body 1, the outlet air duct 4 is opened on the side wall of the box body 1, the grate 6 is installed on the inner side bottom plate of the box body 1, and a supporting block 9 is installed between the inner side bottom plate of the box body 1 and the grate. The upside of grate 6 is for waiting to burn rubbish, the below of grate 6 is used for special-shaped air distribution pipe 3 input air, special-shaped air distribution pipe 3 is connected with external forced air-blower and is carried combustion-supporting air, grate 6 is used for holding the waste material after the rubbish burning, can prevent simultaneously that accumulational rubbish from plugging up special-shaped air distribution pipe 3 and carrying combustion-supporting air, install a plurality of combustors 2 on the lateral wall of box 1 and improve the burn-off rate that burns rubbish, export wind channel 4 is used for discharging the peculiar after the rubbish burning, and make the combustion chamber inside be in the circulation of air state all the time.

The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 5, the lower air distribution medical garbage disposal vehicle combustion chamber of the embodiment is characterized in that an air flow dispersing seat 7 is installed on the inner side of the box body 1, the air flow dispersing seat 7 is installed on the inner side wall of the box body 1, the upper end surface of the air flow dispersing seat 7 is connected with a grate 6, the lower end surface of the air flow dispersing seat 7 is connected with the bottom plate on the inner side of the box body 1, and the air flow dispersing seat 7 is placed on the opposite surface of the special air distribution pipe 3. So set up, when the combustion-supporting air of idiosyncratic air distribution pipe 3 input, the direct current air current sprays to the air current dispersion seat 7 of offside wall on, has the guide structure to both sides on the air current dispersion seat 7, can disperse the air current to both sides, forms further second time dispersion.

The third concrete implementation mode: the present embodiment will be described with reference to fig. 1 to 5, and the combustion chamber of the lower air distribution medical waste disposal vehicle of the present embodiment is formed by a case 1 composed of a plurality of layers of heat-resistant and heat-insulating materials and an outer casing, and a hydraulic sealing door is opened on a side surface of the case 1. So set up, the heat that multilayer heat-resisting insulation material can make in the combustion chamber does not outwards spread, improves the temperature in the combustion chamber, makes msw incineration's more thorough, puts into and clears up the ember after burning rubbish through hydraulic seal door, and hydraulic seal door has good sealed effect, prevents to give off heat and smoke and dust.

The fourth concrete implementation mode: referring to the embodiment described in conjunction with fig. 1-5, the combustion chamber of the lower air distribution medical garbage disposal vehicle of the embodiment is provided with thickened annular refractory bricks 10 outside the flame-out end of the combustor 2, a plurality of semi-arc-shaped ash shields 5 are mounted inside the box body 1, and the semi-arc-shaped ash shields 5 are mounted on the upper half part of the nozzle of the combustor 2 exposed in the box body 1; the annular refractory brick 10 is fixedly arranged on the box body 1, the installation mode can be realized by adopting bolt connection installation or other installation modes capable of realizing fixation, the central position of the annular refractory brick 10 is provided with an installation opening, the combustor 2 is arranged on the annular refractory brick 10, and a nozzle of the combustor 2 is communicated with the inner cavity of the box body 1; the thickened annular refractory brick 10 can reduce the exposed position of the nozzle of the combustor 2 in the box body 1, can reduce the danger of blocking the nozzle of the combustor 2 due to garbage accumulation, and meanwhile, the semi-arc-shaped ash prevention cover 5 is laid on the upper half part of the nozzle of the combustor 2 exposed in the box body 1, so that the blockage of garbage to the nozzle of the combustor 2 is prevented to a certain extent while heat is prevented from being transmitted outwards, and the cleanness of the combustor 2 is ensured.

The fifth concrete implementation mode: the embodiment is described with reference to fig. 1 to 5, and the output end of the specially-shaped air distribution pipe 3 of the combustion chamber of the lower air distribution medical waste disposal vehicle of the embodiment is provided with a turbulent flow uniform air distribution hood 8.

The utility model discloses a theory of operation:

medical garbage is placed in a cavity of a box body 1, accumulation is formed on the upper side of a grate 6, high-speed air is sent into a special air distribution pipe 3 by a forced blower, turbulent airflow and direct platform airflow are formed by a turbulent flow uniform air distribution cover 8 and blown into the lower side of the grate 6, the turbulent airflow is diffused to the periphery after entering the turbulent airflow to form primary dispersion, the direct airflow is sprayed onto an airflow dispersion seat 7 on the opposite wall surface, the airflow is dispersed to two sides by the airflow dispersion seat 7 to form further secondary dispersion, the air is fully filled at the bottom of the grate 6 and then blown upwards into the middle of a combustion chamber through the grate 6 to be fully contacted with the garbage in the combustion chamber, then pneumatic ignition is carried out through a combustor 2, flame is sprayed into the combustion chamber from a nozzle of the combustor 2 through a semi-arc-shaped ash prevention cover to ignite the garbage in the combustion chamber for combustion reaction, and in the combustion process, the forced blower sends the airflow into the lower portion of the grate 6 uninterruptedly by the special air distribution cover 3 and the turbulent flow uniform air distribution cover 8 And the mixture is blown into a combustion reaction area above the grate 6 after dispersion to form the turning and surging of airflow, so that the mixture has a certain stirring effect on the garbage undergoing a combustion reaction, the contact between a combustion object and air is further enhanced, and the burnout rate of the incineration garbage is improved.

This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.

Claims

1. Lower air distribution medical waste treatment car combustion chamber, its characterized in that: the novel energy-saving stove grate comprises a box body (1), burners (2), specially-shaped air distribution pipes (3), outlet air channels (4) and a stove grate (6), wherein the plurality of burners (2) are installed on the side wall of the box body (1), the fire spraying ends of the burners (2) penetrate through the side wall of the box body (1) and are communicated with the inner cavity of the box body (1), the plurality of specially-shaped air distribution pipes (3) are installed on the side wall of the box body (1), the outlet air channels (4) are formed in the side wall of the box body (1), the stove grate (6) is installed on an inner side bottom plate of the box body (1), and supporting blocks (9) are installed between the inner side bottom plate of the box body (1) and the stove grate (.

2. The lower air distribution medical waste disposal vehicle combustion chamber of claim 1, wherein: the special air distribution box is characterized in that an air distribution seat (7) is installed in the box body (1), the air distribution seat (7) is installed on the inner side wall of the box body (1), a grate (6) is arranged on the air distribution seat (7), the lower end face of the air distribution seat (7) is connected with a bottom plate on the inner side of the box body (1), and the air distribution seat (7) is placed on the opposite face of the specially-shaped air distribution pipe (3).

3. The lower air distribution medical waste disposal vehicle combustion chamber of claim 1, wherein: the box body (1) is made of multiple layers of heat-resistant heat-insulating materials.

4. The lower air distribution medical waste disposal vehicle combustion chamber of claim 1, wherein: the outer side of the flame-throwing end of the combustor (2) is provided with a thickened annular refractory brick (10), the inner side of the box body (1) is provided with a plurality of semi-arc-shaped ash shields (5), and the semi-arc-shaped ash shields (5) are arranged on the upper half part of a nozzle exposed out of the combustor (2) in the box body (1).

5. The lower air distribution medical waste disposal vehicle combustion chamber of claim 1, wherein: and the output end of the special air distribution pipe (3) is provided with a wind cover (8) with uniform turbulence.