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Boiler tail gas treatment device with cooling function and tail gas treatment process

A technology for exhaust gas treatment and boilers, which is applied in incinerators, transportation and packaging, combustion methods, etc., and can solve problems such as heat emission, thermal pollution, and inability to handle exhaust heat.

Inactive Publication Date: 2021-05-18
吴媛媛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing tail gas treatment devices cannot handle the heat contained in the tail gas, so that the heat is directly discharged along with the tail gas, causing thermal pollution

Method used

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  • Boiler tail gas treatment device with cooling function and tail gas treatment process
  • Boiler tail gas treatment device with cooling function and tail gas treatment process
  • Boiler tail gas treatment device with cooling function and tail gas treatment process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] See Figure 1-2 , a boiler tail gas treatment device with a cooling function, comprising a box body 1, the box body 1 is a cylindrical structure, and the box body 1 is sequentially provided with a discharge chamber 14, a heat exchange chamber 2 and an incineration chamber from top to bottom 4. The top of the box body 1 is fixedly connected to the discharge cylinder 16, and the discharge cylinder 16 is connected to the discharge chamber 14 through the second communication hole 15. The box body 1 is also provided with an air inlet chamber 3 and an air outlet chamber 5. The air outlet chamber 5 and the air inlet chamber 3 are respectively arranged on the left and right sides of the incineration chamber 4, one end of the air outlet chamber 5 is connected to the connecting pipe 9, and the air inlet chamber 3 is connected to the heat exchange chamber 2 through the first communication hole 7 , the air intake chamber 3 is connected to the incineration chamber 4 through the air ...

Embodiment 2

[0034] See image 3 The difference from Embodiment 1 is that the discharge cylinder 16 includes a cylinder body 161, and the cylinder body 161 is a circular tubular structure with open upper and lower ends. Between the cylinder body 161 and the second communication hole 15 is a Through the connection, the inner cavity of the cylinder 161 is provided with a protective net 167, an exhaust fan 166, a fourth filter layer 165, a third filter layer 164, a second filter layer 163 and a first filter layer 162 from top to bottom, so The protective net 167 is made of stainless steel wire, the fourth filter layer 165 is an activated carbon layer, the third filter layer 164 is made of cotton fibers, and the second filter layer 163 is a zeolite particle layer. The first filter layer 162 is a crushed ore layer, and the combustion exhaust gas from the second communication hole 15 directly flows into the cylinder body 161, and passes through the first filter layer 162, the second filter layer...

Embodiment 3

[0036] See Figure 4 The difference from Embodiment 1 is that the heat exchange tube 17 includes a tube body 171, the upper and lower ends of the tube body 171 are respectively connected to the discharge chamber 14 and the incineration chamber 4, and the side walls of the tube body 171 are evenly arranged. There are folded grooves 172. By setting the folded grooves 172 on the pipe body 171, the contact area between the heat exchange pipe 17 and the air can be greatly increased, the heat exchange effect between the combustion exhaust gas and the air can be greatly improved, and the The heat in the exhaust gas can minimize thermal pollution.

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Abstract

The invention discloses a boiler tail gas treatment device with a cooling function and a tail gas treatment process. The device comprises a box body, wherein a discharging cavity, a heat exchange cavity and an incineration cavity are formed in the box body in sequence from top to bottom, the top end of the box body is fixedly connected with a discharging cylinder, a plurality of heating pipes are uniformly arranged at the upper portion of an inner cavity of the incineration cavity, two ends of each heating pipe are respectively connected with an air-outlet cavity and an air-inlet cavity in a penetrating manner, an electronic ignition nozzle is mounted on an inner cavity wall of one side of the incineration cavity, the bottom end of the incineration cavity is connected with a tail gas emission pipe in a penetrating manner, one end of the heat exchange cavity is connected with an air-inlet pipe in a penetrating manner, a plurality of heat exchange pipes are uniformly arranged in the heat exchange cavity, and the upper ends and the lower ends of the heat exchange pipes are respectively connected with the discharging cavity and the incineration cavity. According to the device and the process, in the whole boiler tail gas emission process, toxic gas and toxic pollution in the boiler tail gas are removed through secondary combustion, heat in the boiler tail gas can be effectively reduced by heating air twice, thermal pollution caused by the boiler tail gas can be effectively prevented, and the environment friendliness of boiler operation can be further improved.

Description

technical field [0001] The invention relates to the technical field of boiler tail gas treatment, in particular to a boiler tail gas treatment device with a cooling function and a tail gas treatment process. Background technique [0002] The boiler is a kind of energy conversion equipment. The energy input to the boiler includes chemical energy and electric energy in the fuel, and the boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of heat energy. The boiler includes two parts: the pot and the furnace. The hot water or steam generated in the boiler can directly provide the required heat energy for industrial production and people's life, and can also be converted into mechanical energy through a steam power device, or converted into electrical energy through a generator. Boilers that provide hot water are called hot water boilers, which are mainly used in daily life, and also have a small amount of application in industrial product...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G7/08F23J15/02F23L15/04B01D46/00B01D46/12
CPCF23G7/08F23J15/025F23L15/04B01D46/12B01D46/62Y02E20/34
Inventor 吴媛媛
Owner 吴媛媛
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