CN212178881U

CN212178881U - Temperature control system for household garbage pyrolysis furnace

Info

Publication number: CN212178881U
Application number: CN202020563529.5U
Authority: CN
Inventors: 李雪勇; 王德康; 郭国平
Original assignee: Yunnan Linglan Environmental Protection Technology Co ltd
Current assignee: Yunnan Linglan Environmental Protection Technology Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-12-18
Anticipated expiration: 2030-04-16

Abstract

The utility model relates to a refuse handling installation field, concretely relates to domestic waste pyrolysis furnace temperature control system, including the furnace body, it has temperature sensor to distribute on the furnace body inner wall, and the four-way pipe is installed to the interior bottom of furnace body, and the four-way pipe comprises return air pipe, first air-supply line, second air-supply line, third air-supply line evenly arrange around the return air pipe external diameter, and form 120 contained angles each other, and wherein in the return air pipe arranged in the stove, its first air-supply line, second air-supply line, third air-supply line kept away from the one end of return air pipe and passed the bottom of the stove, and was connected with three air feed machine outside the furnace body respectively. This design can be through the temperature of temperature sensor detection stove different positions department for the air feed machine is to the point carry out temperature control, according to the heat demand of each direction pyrolysis in the stove, thereby adjusts the amount of wind in first air-supply line, second air-supply line, the third air-supply line, makes the temperature in the stove keep balance relatively then.

Description

Temperature control system for household garbage pyrolysis furnace

Technical Field

The utility model relates to a refuse handling installation field, concretely relates to domestic waste pyrolysis furnace temperature control system.

Background

At present, when open fire occurs in a storage layer in the operation process of all garbage pyrolysis furnaces, either manual spraying fire extinguishing and temperature reduction are carried out from a feeding hole by using a water pipe, or garbage is added to block the open fire extinguishing and temperature reduction.

However, the two cooling methods firstly need to be observed by people whether open fire occurs or not, which has great contingency and uncertainty, and more importantly, when the open fire occurs, the temperature is high, and the manual observation has certain potential safety hazard; secondly, when the fire is put out manually, the feed inlet airtight door needs to be opened at first, and because the furnace temperature is higher, a large amount of high-temperature smoke and dust can be sprayed out of the opened airtight door at the moment when the airtight door is opened, so that people who are hinged are easily injured, and the fire extinguishing furnace is a great potential safety production hazard.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a domestic waste pyrolysis furnace temperature control system keeps the temperature constant in the furnace body.

In order to achieve the above purpose, the technical solution of the present invention is as follows:

the household garbage pyrolysis furnace temperature control system comprises a furnace body, wherein a plurality of temperature sensors are distributed on the inner wall of the furnace body, a four-way pipe is mounted at the bottom in the furnace body, the four-way pipe consists of a return air pipe, a first air inlet pipe, a second air inlet pipe and a third air inlet pipe, the first air inlet pipe, the second air inlet pipe and the third air inlet pipe are uniformly distributed around the outer diameter of the return air pipe, 120-degree included angles are formed among the first air inlet pipe, the second air inlet pipe and the third air inlet pipe, and the first air inlet pipe, the second air inlet pipe and the third air inlet pipe are inclined to the return air pipe; the air return pipe is arranged in the furnace, and one ends of the first air inlet pipe, the second air inlet pipe and the third air inlet pipe, which are far away from the air return pipe, penetrate through the bottom of the furnace and are respectively connected with three air supply fans outside the furnace body.

Further limiting, acute included angles are formed among the first air inlet pipe, the second air inlet pipe, the third air inlet pipe and the air return pipe.

Further limited, the included angle of the acute angle is 30-45 degrees.

Further limiting, air holes are uniformly distributed on the first air inlet pipe, the second air inlet pipe and the third air inlet pipe.

Further inject, install the valve of its switching of control on the air feed machine, temperature sensor passes through relay module and communicates in the valve.

Further limiting, the first air inlet pipe, the second air inlet pipe and the third air inlet pipe are uniformly distributed in the furnace, temperature sensors of the first air inlet pipe, the second air inlet pipe and the third air inlet pipe are uniformly distributed around the first air inlet pipe, the temperature sensors around the first air inlet pipe are connected with the relay module communicated with the first air inlet pipe, the temperature sensors around the second air inlet pipe are connected with the relay module communicated with the second air inlet pipe, and the temperature sensors around the third air inlet pipe are connected with the relay module communicated with the third air inlet pipe.

Compared with the prior art, the utility model beneficial effect be: because the composition and the wet degree of doing of rubbish are different, just so lead to the required thermal inhomogeneous of pyrolysis, this design can detect the temperature of different positions departments in the stove through temperature sensor, and normally open or the normal close controls the air feed machine through the relay, make the air feed machine counter point carry out temperature control, heat demand according to each direction pyrolysis in the stove, thereby adjust first air-supply line, the second air-supply line, the amount of wind in the third air-supply line, then make the temperature in the stove keep relatively balanced, can avoid local high temperature, just so can avoid the injury that the feed inlet airtight door produced the people when opening.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the structure of the utility model in the use state.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the following embodiments.

As shown in fig. 1 and 2, the temperature control system for the household garbage pyrolysis furnace comprises a furnace body 1, wherein a plurality of temperature sensors 2 are distributed on the inner wall of the furnace body 1, a four-way pipe is mounted at the inner bottom of the furnace body 1, the four-way pipe is composed of a return air pipe 3, a first air inlet pipe 4, a second air inlet pipe 5 and a third air inlet pipe 6, the first air inlet pipe 4, the second air inlet pipe 5 and the third air inlet pipe 6 are uniformly arranged around the outer diameter of the return air pipe 3, an included angle α of 120 degrees is formed among the first air inlet pipe 4, the second air inlet pipe 5 and the third air inlet pipe 6, the first air inlet pipe 4, the second air inlet pipe 5 and the third air inlet pipe 6 are obliquely arranged on the return air pipe 3, preferably, the arrangement positions of the three air inlet pipes can be designed according to the volume of the furnace body 1 and the filling amount of garbage, so as to ensure that the temperature of each part in the furnace can, Acute included angles of 30-45 degrees are formed between the second air inlet pipe 5 and the third air inlet pipe 6 and the air return pipe 3, or acute included angles beta of 30 degrees, 31 degrees or 45 degrees are formed between the second air inlet pipe and the third air inlet pipe; preferably, air holes are uniformly distributed on the first air inlet pipe 4, the second air inlet pipe 5 and the third air inlet pipe 6.

The air return pipe 3 is arranged in the furnace, and one ends of the first air inlet pipe 4, the second air inlet pipe 5 and the third air inlet pipe 6, which are far away from the air return pipe 3, penetrate through the bottom of the furnace body 1 and are respectively connected with three air supply fans 7 outside the furnace body 1. Install the valve of its switching of control on the air feed machine 7, temperature sensor 2 communicates in the valve through the relay module, and the connection original paper of relay module and temperature sensor 2 can directly adopt YYW-2's model, and the temperature sensor detectable of this original paper is 0 ~ 1000 degrees between the temperature, can also set up the upper and lower limit, lets the relay action. Specifically, the first air inlet pipe 4, the second air inlet pipe 5 and the third air inlet pipe 6 are uniformly distributed in the furnace, the temperature sensors 2 of the first air inlet pipe 4, the second air inlet pipe 5 and the third air inlet pipe 6 are uniformly distributed around the first air inlet pipe 4, the temperature sensors 2 around the first air inlet pipe 4 are connected with the relay module communicated with the first air inlet pipe 4, the temperature sensors around the second air inlet pipe 5 are connected with the relay module communicated with the second air inlet pipe 5, and the temperature sensors around the third air inlet pipe 6 are connected with the relay module communicated with the third air inlet pipe 6.

If the temperature sensors around the first air inlet pipe 4 are a, the temperature sensors b around the second air inlet pipe 5 and the temperature sensors c around the third air inlet pipe 6, when the temperature sensor 2 at the position of a detects ultra-high temperature (the temperature is set according to the value of waste incineration), information is fed back to the relay module, the relay is normally opened, the air supply machine 7 connected to the first air inlet pipe is switched on, the valve of the air supply machine 7 is opened to supply air to the first air inlet pipe 4, the air volume is blown out from the air holes, the temperature around the first air inlet pipe 4 is reduced, and the air return pipe is used for gathering residual air volume, so that the air returns to be continuously discharged from the air holes to reduce the temperature. The air volume control principle of the second air inlet pipe 5 and the third air inlet pipe 6 is the same.

It is right above the utility model provides a domestic waste pyrolysis furnace temperature control system has carried out detailed introduction. The description of the specific embodiments is only for the purpose of helping understanding the method of the present invention and the core idea thereof, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

1. Domestic waste pyrolysis furnace temperature control system, including the furnace body, it has a plurality of temperature sensor, its characterized in that to distribute on the furnace body inner wall: the four-way pipe is arranged at the inner bottom of the furnace body and consists of a return air pipe, a first air inlet pipe, a second air inlet pipe and a third air inlet pipe, wherein the first air inlet pipe, the second air inlet pipe and the third air inlet pipe are uniformly distributed around the outer diameter of the return air pipe, the first air inlet pipe, the second air inlet pipe and the third air inlet pipe form an included angle of 120 degrees with each other, and the first air inlet pipe, the second air inlet pipe and the third air inlet pipe are arranged obliquely to the return air pipe;

the air return pipe is arranged in the furnace, and one ends of the first air inlet pipe, the second air inlet pipe and the third air inlet pipe, which are far away from the air return pipe, penetrate through the bottom of the furnace and are respectively connected with three air supply fans outside the furnace body.

2. The temperature control system for the household garbage pyrolysis furnace of claim 1, which is characterized in that: acute included angles are formed among the first air inlet pipe, the second air inlet pipe, the third air inlet pipe and the air return pipe.

3. The temperature control system for the household garbage pyrolysis furnace of claim 2, which is characterized in that: the angle of the acute included angle is 30-45 degrees.

4. The temperature control system for the household garbage pyrolysis furnace of claim 1, which is characterized in that: and air holes are uniformly distributed on the first air inlet pipe, the second air inlet pipe and the third air inlet pipe.

5. The temperature control system for the household garbage pyrolysis furnace of claim 1, which is characterized in that: the air supply fan is provided with a valve for controlling the air supply fan to open and close, and the temperature sensor is communicated with the valve through the relay module.

6. The temperature control system for the household garbage pyrolysis furnace of claim 1, which is characterized in that: the first air inlet pipe, the second air inlet pipe and the third air inlet pipe are uniformly distributed in the furnace, temperature sensors of the first air inlet pipe, the second air inlet pipe and the third air inlet pipe are uniformly distributed around the first air inlet pipe, the temperature sensors around the first air inlet pipe are connected with the relay module communicated with the first air inlet pipe, the temperature sensors around the second air inlet pipe are connected with the relay module communicated with the second air inlet pipe, and the temperature sensors around the third air inlet pipe are connected with the relay module communicated with the third air inlet pipe.