阅读说明：本技术 一种生物质燃烧连续调节装置及其使用方法 (Biomass combustion continuous adjusting device and using method thereof ) 是由 汪洋 周俊虎 刘树刚 文光旭 潘宏春 于 2018-08-01 设计创作，主要内容包括：一种生物质燃烧连续调节装置,包括多个燃烧器、生物质供给装置、燃烧控制装置、热空气控制装置及热空气供给装置,燃烧器排列设置,生物质供给装置通过燃烧器,燃烧器结构相同,包括箱体,箱体开有进口及出口,进口及出口设置有熄火网格,进口及出口之间为扁平通道,箱体设有出气口,燃烧器配燃烧控制装置及热空气控制装置,燃烧控制装置包括控制器、电热棒及温度探测器,电热棒及温度探测器安装于燃烧器内,温度探测器及电热棒与控制器连接；热空气控制装置与燃烧器连通；热空气供给装置包括气瓶、流量调节阀及稳压器,气瓶与热空气控制装置连通,流量调节阀及稳压器控制流量及压力。对生物质燃烧进行控制,使生物质能够完全燃尽,高效释放能量。(A biomass combustion continuous adjusting device comprises a plurality of combustors, a biomass supply device, a combustion control device, a hot air control device and a hot air supply device, wherein the combustors are arranged in an array mode, the biomass supply device passes through the combustors, the combustors are identical in structure and comprise a box body, the box body is provided with an inlet and an outlet, flameout grids are arranged on the inlet and the outlet, a flat channel is arranged between the inlet and the outlet, the box body is provided with an air outlet, the combustors are matched with the combustion control device and the hot air control device, the combustion control device comprises a controller, an electric heating rod and a temperature detector, the electric heating rod and the temperature detector are installed in the combustors, and the temperature detector and the electric heating rod are connected with the controller; the hot air control device is communicated with the combustor; the hot air supply device comprises an air bottle, a flow regulating valve and a pressure stabilizer, wherein the air bottle is communicated with the hot air control device, and the flow regulating valve and the pressure stabilizer control the flow and the pressure. The biomass combustion is controlled, so that the biomass can be completely burnt out, and the energy is efficiently released.)

1. A biomass combustion continuous adjusting device is characterized in that: comprises a plurality of combustors, a biomass supply device, a combustion control device, a hot air control device and a hot air supply device, wherein the combustors are arranged in sequence, the biomass supply device sequentially passes through each combustor, each combustor has the same structure and comprises a box body, the two ends of the box body are respectively provided with an inlet and an outlet, the inlet and the outlet are respectively provided with a flameout grid, a gap which can enable biomass to pass through is reserved between the flameout grid and the biomass supply device, a flat channel is arranged between the inlet and the outlet, the top surface of the box body is provided with an air outlet which is communicated with the flat channel, each combustor is provided with the combustion control device and the hot air control device, the combustion control device comprises a controller, an electric heating rod and a temperature detector, the electric heating rod is arranged in the flat channel of the combustor, the temperature detector is arranged in the combustor box body, and the temperature detector and the electric heating rod are electrically connected with the controller; the hot air control device is communicated with the combustor through a pipeline; the hot air supply device comprises an air bottle, a flow regulating valve and a pressure stabilizer, wherein the air bottle is communicated with each hot air control device through a pipeline, and the flow regulating valve and the pressure stabilizer control the flow and the pressure of hot air.

2. A biomass combustion continuous conditioning device as claimed in claim 1, wherein: the cross section of the flat channel is rectangular, the width-to-height ratio of the flat channel is 5:1, and the height of the flat channel is less than 20 mm.

3. A biomass combustion continuous conditioning device as claimed in claim 1, wherein: the temperature detector is a thermocouple, the thermocouple is installed at the bottom end inside the box body, the top end of the thermocouple is located in the flat channel, and the bottom end of the thermocouple is electrically connected with the controller.

4. A biomass combustion continuous conditioning device as claimed in claim 1, wherein: the diameter of the extinguishing grid is smaller than 1 cm.

5. A biomass combustion continuous conditioning device as claimed in claim 1, wherein: the biomass supply device is a conveying chain.

6. The application method of the continuous adjusting device suitable for biomass combustion comprises the following steps:

1. firstly, the combustion control device is confirmed to work normally. The hot air control device is turned on and an initial flow rate is set. The hot air enters the primary combustor. Biomass fuel particles enter the flat channel through the biomass feed device.

2. The starting process comprises the following steps: the output power of the combustion control means is regulated. The temperature detection device generates a temperature feedback signal and transmits the temperature feedback signal to the controller for monitoring, continuously adjusting the power of the combustion control device and changing the combustion state of the biomass. The gas generated by biomass combustion is collected through the gas outlet, and according to biomass gas generation detection, when the biomass in the combustor finishes gas generation and the biomass is converted into residues, the power of the hot air control device and the combustion control device is increased, so that the biomass residues enter a complete two-phase self-maintaining combustion state. And when the biomass is combusted, the biomass is discharged from the outlet of the combustor and supplied to the next batch of biomass fuel particles, and the combustion control system regulates the combustion state of the biomass back to the gas production state again.

According to the biomass gas production detection result, if the biomass can not produce gas completely in the first-stage combustor, the biomass further enters the second-stage combustor through the conveying chain, the second-stage combustor repeats the operation, and if the biomass can not produce gas completely, the biomass enters the third-stage and fourth-stage secondary combustors and the operation is repeated.

Technical Field

The invention relates to a biomass combustion device, in particular to a biomass combustion continuous adjusting device.

Background

The traditional biomass fixed combustion control technology changes the combustion intensity in a small range by adjusting the air flow, and essentially adjusts the oxygen/fuel ratio, while the power state of the combustion per se is in an uncontrollable state due to the positive feedback effect of the combustion heat release. The uncontrollable combustion can only carry out two-stage control of a switch for ignition and extinguishment, the release of combustion heat cannot be flexibly controlled, and the device is damaged by high-temperature combustion.

Disclosure of Invention

In order to solve the above problems, the present invention provides the following solutions:

a biomass combustion continuous adjusting device comprises a plurality of combustors, a biomass supply device, a combustion control device, a hot air control device and a hot air supply device, wherein the combustors are sequentially arranged, the biomass supply device sequentially passes through each combustor, each combustor has the same structure and comprises a box body, two ends of the box body are respectively provided with an inlet and an outlet, the inlet and the outlet are respectively provided with a flameout grid, a gap for biomass to pass through is reserved between the flameout grid and the biomass supply device, a flat channel is arranged between the inlet and the outlet, the top surface of the box body is provided with an air outlet communicated with the flat channel, each combustor is provided with the combustion control device and the hot air control device, the combustion control device comprises a controller, an electric heating rod and a temperature detector, the electric heating rod is arranged in the flat channel of the combustor, the temperature detector is arranged in the box body of the combustor, the temperature detector and the electric heating rod are electrically connected with the controller; the hot air control device is communicated with the combustor through a pipeline; the hot air supply device comprises an air bottle, a flow regulating valve and a pressure stabilizer, wherein the air bottle is communicated with each hot air control device through a pipeline, and the flow regulating valve and the pressure stabilizer control the flow and the pressure of hot air.

Further, the cross section of the flat channel is rectangular, the width-to-height ratio of the flat channel is 5:1, and the height of the flat channel is less than 20 mm.

Furthermore, the temperature detector is a thermocouple, the thermocouple is installed at the bottom end inside the box body, the top end of the thermocouple is located in the flat channel, and the bottom end of the thermocouple is electrically connected with the controller.

Furthermore, the aperture of the flameout grid is smaller than 1 cm.

Further, the biomass supply device is a conveying chain.

The application method of the continuous adjusting device suitable for biomass combustion comprises the following steps:

1. firstly, the combustion control device is confirmed to work normally, namely, the hot air and the electric heating device are started and the power regulation is not failed. The hot air control device is turned on and an initial flow rate is set. The hot air enters the primary combustor. Biomass fuel particles enter the flat channel through the biomass feed device.

2. The starting process comprises the following steps: the output power of the combustion control means is regulated. The temperature detection device generates a temperature feedback signal and transmits the temperature feedback signal to the controller for monitoring, continuously adjusting the power of the combustion control device and changing the combustion state of the biomass. The gas generated by biomass combustion is collected through the gas outlet, and according to biomass gas generation detection, when the biomass in the combustor finishes gas generation and the biomass is converted into residues, the power of the hot air control device and the combustion control device is increased, so that the biomass residues enter a complete two-phase self-maintaining combustion state. And when the biomass is combusted, the biomass is discharged from the outlet of the combustor and supplied to the next batch of biomass fuel particles, and the combustion control system regulates the combustion state of the biomass back to the gas production state again.

According to the biomass gas production detection result, if the biomass can not produce gas completely in the first-stage combustor, starting the second-stage combustor, further entering the second-stage combustor through the transmission chain, repeating the above operation by the second-stage combustor, and if the biomass can not produce gas completely, entering the third-stage and fourth-stage secondary combustors, and repeating the above operation.

Through the process, each part of biomass raw material is subjected to heating, decomposition, gas generation and complete combustion through control means such as device temperature rise in the staying process of the biomass raw material in the combustor, and if the feeding amount is large, the biomass raw material is subjected to cooperative work through a multi-stage combustor. Thereby overcoming the problem of slow continuous processing of the biomass fuel.

The invention has the beneficial effects that:

1. the temperature in the combustor is monitored, and the temperature in the combustor can be adjusted to always keep the temperature required by combustion.

2. The multistage burner carries out continuous control burning, guarantees that living beings burn completely, can not produce the waste.

3. And a flameout grid is arranged to inhibit the combustion of the biomass gas, so that the combustion of the biomass gas is in a non-self-maintaining state.

4. The combustion control device and the hot air control device simultaneously control the temperature in the combustor and accurately control the combustion state of the biomass.

Drawings

FIG. 1 is a schematic structural diagram of a biomass combustion continuous control device implemented by a combustion control device.

Fig. 2 is a schematic view of the internal structure of the burner.

1, a voltage stabilizer; 2. a biomass supply device; 3 flow regulating valve; 4. a gas cylinder; 5, a first-stage combustor; 6 a secondary combustor; 7, a three-stage combustor; 8 a four-stage burner; 9. a combustion control device; 10 hot air control means; 11 air outlet; 12 a flameout grid; 13 a thermocouple; 14 silicon molybdenum material electric heating rods; 15 sub-regulating valves; 16. a flat channel.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.