CN215411903U

CN215411903U - Steam recycling mechanism of solid waste treatment secondary combustion chamber

Info

Publication number: CN215411903U
Application number: CN202121910162.0U
Authority: CN
Inventors: 普源; 董学思; 刘啟宽; 秦鑫; 蒋博飞
Original assignee: Yunnan Kunhuan Testing Technology Co ltd
Current assignee: Zhongboyuan testing (Yunnan) Co.,Ltd.
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-01-04
Anticipated expiration: 2031-08-16

Abstract

The utility model relates to the technical field of solid waste treatment, in particular to a steam recycling mechanism of a solid waste treatment secondary combustion chamber, which comprises a heating box and a storage box, wherein a coiled pipe is arranged in the heating box, two ends of the coiled pipe respectively penetrate through the outer wall of the left side and the outer wall of the top of the heating box to be communicated with the outside, a water level sensor and a heating rod are arranged in the heating box, a controller is arranged on the right side of the heating box, an L-shaped plate is arranged at the middle position of the top of the heating box close to the front side, and a water flow driving assembly is arranged in the heating box and below the L-shaped plate. Thereby the utilization ratio of waste gas waste heat has been improved, heats the liquid of heating cabinet inside through the heating rod to it is long effectively to reduce the heating, thereby improves steam generation's efficiency.

Description

Steam recycling mechanism of solid waste treatment secondary combustion chamber

Technical Field

The utility model relates to the technical field of solid waste treatment, in particular to a steam recycling mechanism of a solid waste treatment secondary combustion chamber.

Background

Solid waste is treated through an incinerator mostly in the prior art, the incinerator is provided with two combustion chambers, namely a combustion chamber and a combustion chamber II, a two-stage combustion mode is adopted, solid is combusted in the combustion chamber I, gas is combusted in the combustion chamber II, and solid garbage is dried, anaerobically pyrolyzed and burnt out under the condition of preset temperature after entering the combustion chamber I, so that generation of virulent gas is effectively controlled, gas generated by pyrolysis enters the combustion chamber II to be fully combusted, and poisonous and harmful gas is effectively treated.

Incineration equipment is rotary kiln + second combustion chamber + tail gas treatment facility, accomplishes the reutilization of waste heat for thereby the waste heat of waste gas heats liquid and produces steam, thereby is convenient for utilize steam, and prior art is when waste gas waste heat, can't exert to the biggest with the effect of waste heat, makes the steam volume that utilizes the waste gas waste heat to produce more less, thereby leads to the steam incidence to be lower. In view of this, we propose a solid waste treatment second combustion chamber steam recycling mechanism.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects, the utility model provides a steam recycling mechanism of a solid waste treatment secondary combustion chamber.

The technical scheme of the utility model is as follows:

a steam recycling mechanism of a solid waste treatment secondary combustion chamber, which comprises a heating box and a containing box, wherein a steam conveying pipe is arranged between the heating box and the containing box, a coiled pipe is arranged inside the heating box, two ends of the coiled pipe respectively penetrate through the outer wall of the left side and the outer wall of the top of the heating box to be communicated with the outside, a water level sensor and a heating rod are arranged inside the heating box, a controller is arranged on the right side of the heating box, an L-shaped plate is arranged at the middle position of the top of the heating box close to the front side, a water flow driving assembly is arranged in the heating box and below the L-shaped plate, an electromagnetic valve is arranged above the heating box, water pipes are arranged at the water inlet and the water outlet of the electromagnetic valve, one end of the water pipe, which is arranged at the water inlet of the electromagnetic valve and is far away from the electromagnetic valve, penetrates through the outer wall of the top of the heating box and is communicated with the inside of the heating box.

Preferably, two ends of the steam delivery pipe respectively penetrate through the outer walls of the top parts of the heating box and the storage box and are communicated with the inside of the heating box and the storage box.

As a preferred technical scheme, a heat insulation layer and a heat insulation layer are sequentially arranged between the inner wall and the outer wall of the heating box from inside to outside.

Preferably, the water flow driving assembly comprises two rotating shafts which are parallel to each other front and back, a fan positioned at the lower end of the rotating shafts, and a motor positioned above one of the rotating shafts.

According to a preferable technical scheme, the two rotating shafts are respectively positioned at the front side and the rear side of the coiled pipe, and the upper ends of the two rotating shafts penetrate through the outer wall of the top of the heating box and are connected through a conveying belt.

As a preferable technical scheme, the rotating shafts are rotatably connected with the heating boxes, and the upper end of one of the rotating shafts is coaxially connected with the output shaft of the motor after sequentially penetrating through the heating boxes and the conveyor belt.

As a preferable technical scheme, the motor is fixedly connected with the inner wall of the top of the L-shaped plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model conveys the waste gas generated by the secondary combustion chamber through the coiled pipe, increases the contact area with the liquid on the inner wall of the heating box, thereby improving the utilization rate of the waste gas residual temperature, heats the liquid in the heating box through the heating rod, thereby effectively reducing the heating time and improving the steam generation efficiency.

2. According to the utility model, the flow velocity of the liquid is increased through the water flow driving assembly, so that the liquid is uniformly heated, the heating time of the liquid is reduced, and the liquid is supplemented to the interior of the heating box in time through the matching use of the water level sensor, the controller and the electromagnetic valve.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a portion of the structure of the present invention;

FIG. 3 is a second partial schematic view of the present invention;

FIG. 4 is a schematic view of a section of the heating chamber according to the present invention;

fig. 5 is a schematic structural view of the water flow driving assembly according to the present invention.

In the figure:

a heating box 1; a water pipe 11; a solenoid valve 111; an L-shaped plate 12; an insulating layer 13; a heat insulating layer 14; a steam delivery pipe 15; a serpentine tube 2; a gas delivery pipe 21; a controller 3; a heating rod 4; a water level sensor 5; a water flow driving assembly 6; a motor 61; a rotating shaft 62; a conveyor belt 621; a fan 63; and a storage box 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment 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 invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a steam recycling mechanism of a solid waste treatment secondary combustion chamber comprises a heating box 1 and a storage box 7, wherein the storage box 7 is positioned at the rear part of the heating box 1, a steam conveying pipe 15 is arranged between the heating box 1 and the storage box 7, a coiled pipe 2 is arranged inside the heating box 1, two ends of the coiled pipe 2 respectively penetrate through the left outer wall and the top outer wall of the heating box 1 to be communicated with the outside, the left end of the coiled pipe 2 penetrates through the left outer wall of the heating box 1 to be communicated with the inside of the external secondary combustion chamber through a gas conveying pipe 21, the other end of the coiled pipe 2 penetrates through the top of the heating box 1 to be connected with an external waste gas filtering mechanism, a water level sensor 5 and a heating rod 4 are arranged inside the heating box 1, a controller 3 is arranged on the right side of the heating box 1, an L-shaped plate 12 is arranged at the middle position, close to the front side, of the inside of the heating box 1, and a water flow driving component 6 is arranged below the L-shaped plate 12, an electromagnetic valve 111 is arranged above the heating box 1, water pipes 11 are arranged at a water inlet and a water outlet of the electromagnetic valve 111, one end, far away from the electromagnetic valve 111, of the water pipe 11 arranged at the water inlet of the electromagnetic valve 111 penetrates through the outer wall of the top of the heating box 1 and is communicated with the inside of the heating box, one end, far away from the electromagnetic valve 111, of the water pipe 11 arranged at the water outlet of the electromagnetic valve 111 is connected with an external water supply mechanism, and therefore the external water supply mechanism can conveniently convey clean water to the inside of the heating box 1 through the water pipes 11.

It is to be supplemented that the water level sensor 5, the heating rod 4 and the electromagnetic valve 111 are all electrically connected with the controller 3 through leads, the water level sensor 5 adopts an injection type sensor, the water level sensor 5 in the heating box 1 transmits sensed water level signals to the controller 3, a computer in the controller 3 compares the actually measured water level signals with set signals to obtain deviation, then according to the nature of the deviation, an 'on' and 'off' instruction is sent to the electromagnetic valve 111 to ensure that the heating box 1 reaches the set water level, today of scientific and rapid development, the water level sensor 5 is made of a high temperature resistant polypropylene material which can be insulated and has high temperature resistance, can be normally used in the environment of 150 ℃, can resist 170 ℃ in a short time, and the conductive electrode part adopts a high quality stainless steel material SUS316L, which can meet the requirements of high temperature resistance and corrosion resistance, thereby facilitating the normal operation of the water level sensor 5 inside the heating cabinet 1 in a high temperature state.

As the optimization of this embodiment, both ends of steam conveying pipe 15 run through heating box 1 and the top outer wall of containing box 7 respectively and communicate with each other rather than inside, be convenient for carry the inside of containing box 7 through steam conveying pipe 15 with the steam that forms after heating box 1 internal heating and collect to be convenient for improve steam utilization.

As the preferred of this embodiment, be equipped with heat preservation 13 and insulating layer 14 from inside to outside in proper order between the inner wall of heating cabinet 1 and the outer wall for heating cabinet 1 has increased heat preservation and thermal-insulated performance, thereby effectively reduces the influence of ambient temperature to heating cabinet 1 internal temperature.

Preferably, the water flow driving assembly 6 includes two rotation shafts 62 parallel to each other in front and back, a fan 63 located at the lower end of the rotation shafts 62, and a motor 61 located above one of the rotation shafts 62, the fan 63 is close to the bottom of the heating box 1, the two rotation shafts 62 are located at the front and back sides of the serpentine tube 2, the upper ends of the two rotation shafts 62 penetrate through the top outer wall of the heating box 1 and are connected through a conveyor belt 621, the rotation shafts 62 are rotatably connected with the heating box 1, and the upper end of one of the rotation shafts 62 penetrates through the heating box 1 and the conveyor belt 621 in sequence and is coaxially connected with the output shaft of the motor 61, so that the output shaft of the motor 61 drives the two rotation shafts 62 to rotate synchronously through the conveyor belt 621 while rotating.

It is worth explaining that the axis of rotation 62 adopts the better material of heat-proof quality, avoid axis of rotation 62 to transmit to motor 61 with the inside temperature of heating cabinet 1, thereby cause the damage to motor 61, the part that the coiled pipe 2 is located heating cabinet 1 inside adopts the better metal material of heat conductivity to make, thereby effectively utilize waste gas waste heat to heat up the clear water of heating cabinet 1, in addition, the outer wall of steam conveying pipe 15 and gas-supply pipe 21 all is equipped with the insulation cover that insulation material made, thereby avoid steam conveying pipe 15 and gas-supply pipe 21 to receive ambient temperature's influence and lead to the temperature reduction in carrying out the transportation process to steam and the produced waste gas of second combustion chamber, thereby influence the collection efficiency of steam.

Preferably, the motor 61 is fixedly connected to the top inner wall of the L-shaped plate 12, so as to fix the motor 61.

When the steam recycling mechanism for the second combustion chamber for solid waste treatment is used, waste gas discharged after combustion in the second combustion chamber enters the inside of the coiled pipe 2 through the gas conveying pipe 21, so that the waste heat of the waste gas heats liquid in the heating box 1, the external water supply mechanism fills quantitative clean water into the heating box 1 through the water pipe 11, the temperature of the liquid in the heating box 1 can be quickly increased by controlling the total amount of the clean water and heating the liquid in the heating box 1 through the heating rod 4, so that steam is quickly generated, the steam rises to the top of the heating box 1 and then enters the inside of the containing box 7 through the steam conveying pipe 15, so that the collection and utilization of the steam are realized, the liquid level in the heating box 1 is gradually reduced in the steam generation process, when the liquid level is lower than the lowest water level set by the controller 3, the controller 3 opens the electromagnetic valve 111, thereby make external water supply mechanism carry out the liquid through water pipe 11 to the inside of heating cabinet 1 and supply, when liquid supply reaches the highest water level that controller 3 set for, controller 3 closes solenoid valve 111, thereby stop supplying water, when waste gas waste heat heats the liquid of heating cabinet 1 inside through coiled pipe 2, connect and start motor 61's power, make motor 61's output shaft make two axis of rotation 62 drive fan 63 realize synchronous rotation through conveyer belt 621 when the pivoted, thereby when accelerating liquid flow velocity, avoid being close to the temperature of coiled pipe 2 department and keep away from the temperature difference of coiled pipe 2 department great, thereby can improve steam occurrence rate when avoiding heating uneven phenomenon and producing.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a admittedly useless second combustion chamber steam retrieval and utilization mechanism of handling, includes heating cabinet (1) and containing box (7), its characterized in that: heating cabinet (1) with be equipped with steam conveying pipe (15) between containing box (7), the inside of heating cabinet (1) is equipped with coiled pipe (2), the both ends of coiled pipe (2) are run through respectively the left side outer wall and the top outer wall of heating cabinet (1) communicate with each other with the external world, the inside of heating cabinet (1) is equipped with level sensor (5) and heating rod (4), the right side of heating cabinet (1) is equipped with controller (3), the middle part position department that the top of heating cabinet (1) is close to the front side is equipped with L shaped plate (12), the inside of heating cabinet (1) just is located the below of L shaped plate (12) is equipped with rivers drive assembly (6), the top of heating cabinet (1) is equipped with solenoid valve (111), the water inlet and the delivery port of solenoid valve (111) all are equipped with water pipe (11), the water inlet department of solenoid valve (111) is equipped with water pipe (11) are kept away from the one end of solenoid valve (111) is run through The outer wall of the top of the heating box (1) is communicated with the inside of the heating box.

2. The solid waste treatment secondary combustion chamber steam recycling mechanism of claim 1, characterized in that: the two ends of the steam conveying pipe (15) penetrate through the outer walls of the tops of the heating box (1) and the containing box (7) respectively and are communicated with the interior of the heating box and the containing box.

3. The solid waste treatment secondary combustion chamber steam recycling mechanism of claim 1, characterized in that: and a heat insulation layer (13) and a heat insulation layer (14) are sequentially arranged between the inner wall and the outer wall of the heating box (1) from inside to outside.

4. The solid waste treatment secondary combustion chamber steam recycling mechanism of claim 1, characterized in that: the water flow driving assembly (6) comprises two rotating shafts (62) which are parallel to each other front and back, a fan (63) positioned at the lower end of each rotating shaft (62), and a motor (61) positioned above one rotating shaft (62).

5. The solid waste treatment secondary combustion chamber steam recycling mechanism of claim 4, characterized in that: the two rotating shafts (62) are respectively positioned at the front side and the rear side of the coiled pipe (2), and the upper ends of the two rotating shafts (62) penetrate through the outer wall of the top of the heating box (1) and are connected through a conveying belt (621).

6. The solid waste treatment secondary combustion chamber steam recycling mechanism of claim 5, characterized in that: the rotating shaft (62) is connected with the heating box (1) in a rotating mode, and the upper end of one of the rotating shaft (62) penetrates through the heating box (1) and the conveying belt (621) and then is coaxially connected with an output shaft of the motor (61).

7. The solid waste treatment secondary combustion chamber steam recycling mechanism of claim 4, characterized in that: the motor (61) is fixedly connected with the inner wall of the top of the L-shaped plate (12).