Regenerative thermal oxidizer and cleaning anti-blockage process thereof

An oxidation furnace, regenerative technology, applied to incinerators, lighting and heating equipment, cleaning methods and appliances, etc., can solve problems such as blockage of regenerator beds

Active Publication Date: 2020-05-29
BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to overcome the defects of the prior art, and provide a regenerative oxidation furnace and a decontamination and anti-blocking process, which can clean up the dirt in the lower part of the RTO furnace under safe and controllable conditions, and solve the problem of regenerator bed clogging problem

Method used

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  • Regenerative thermal oxidizer and cleaning anti-blockage process thereof
  • Regenerative thermal oxidizer and cleaning anti-blockage process thereof

Examples

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Embodiment 1

[0071] Such as Figure 1~2 An embodiment of a regenerative oxidation furnace shown includes a furnace body 1, a waste gas inlet pipe 2 and an exhaust gas discharge pipe 3, the upper part of the furnace body 1 is provided with a combustion chamber 4, and the lower part of the furnace body 1 A plurality of regenerators 5 communicating with the combustion chamber 4 are provided; the bottom of the regenerator 5 is provided with an asphalt flue gas inlet, a purge port, and an exhaust outlet. The asphalt flue gas inlet is connected through the corresponding intake branch pipe 6, and one end of the tail gas discharge pipe 3 is connected with the tail gas discharge port through the corresponding exhaust branch pipe 7. The tail gas discharge pipe 3 The other end of the chimney is provided with a chimney 8; the second temperature controller 9 and the purge pipe 10 are sequentially arranged on the tail gas discharge pipe 3 according to the tail gas flow; the other end of the purge pipe 1...

Embodiment 2

[0083] A process for decontamination and anti-blocking of a regenerative oxidation furnace. The regenerative oxidation furnace in this embodiment includes 3 regenerators, and the regenerative oxidation furnace adopts decontamination mode one for decontamination and anti-blocking ;

[0084] The decontamination and anti-blocking method of the decontamination mode one specifically includes the following steps:

[0085] Step 1. First, adjust the working state of the regenerative oxidation furnace to be the operation state of the cleaning mode one. The operation state of the cleaning mode one is as follows: increase the air volume of the purge fan to be greater than or equal to purge in the waste gas treatment mode 2 times the air volume of the fan (because the operating frequency of the blowing fan in the exhaust gas treatment mode is about 25-28Hz in this embodiment, the air volume is 3000-3500m 3 / h, so in the cleaning mode, the operating frequency of the blowing fan is greater...

Embodiment 3

[0091] A process for cleaning and preventing clogging in a regenerative oxidation furnace. The regenerative oxidation furnace in this embodiment includes three regenerators, and the regenerative oxidation furnace adopts cleaning mode 2 to clean and prevent clogging ;

[0092] The decontamination and anti-blocking method of the decontamination mode two specifically includes the following steps:

[0093] Step 1. Adjust the working state of the regenerative oxidation furnace to the operating state of the cleaning mode 2. The operating state of the cleaning mode 2 is as follows: increase the air volume of the blowing fan to be greater than or equal to the air volume of the blowing fan in the waste gas treatment mode 2 times (due to the operating frequency of the blowing blower in the exhaust gas treatment mode is about 25-28Hz in this embodiment, and the air volume is 3000-3500m 3 / h, so in the cleaning mode, the operating frequency of the blowing fan is greater than 45Hz, and th...

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Abstract

The invention relates to a regenerative thermal oxidizer and a cleaning anti-blockage process thereof. The regenerative thermal oxidizer comprises a body, a waste gas inlet pipe, a waste gas dischargepipe, a combustion chamber and a plurality of regenerative chambers; the waste gas discharge pipe is provided with a purging pipe; the other end of the purging pipe communicates with a purging port through a purging branch pipe; the purging pipe is provided with a mixer and a purging fan; and the mixer is provided with a hearth gas introduction pipe. Two cleaning modes are determined, wherein inthe first cleaning mode, 200 DEG C sub-high temperature gas and 250 DEG C sub-high temperature gas are successively adopted to perform multiple rounds of purging on each regenerator; and in the secondcleaning mode, 180 DEG C sub-high temperature gas and 230 DEG C sub-high temperature gas are adopted for purging, and in each round of purging, the mode of 15 min sub-high temperature and 5 min low temperature is adopted. The two cleaning modes operate alternately and complement each other, a satisfactory flue gas discharge index is guaranteed, and the purposes of realizing cleaning anti-blockageand ensuring long-period stable operation of the RTO are achieved.

Description

technical field [0001] The invention belongs to the field of environmental protection treatment of asphalt flue gas, and in particular relates to a regenerative oxidation furnace and a decontamination and anti-blocking process. Background technique [0002] RTO (Regenerative Thermal Oxidizer, RTO for short) furnace, regenerative oxidation furnace. The principle is to oxidize the combustible waste gas into corresponding oxides and water at high temperature, thereby purifying the waste gas; the high-temperature flue gas generated after oxidation passes through the special honeycomb ceramic regenerator, which makes the ceramic heat up and store heat, so that the furnace cavity is always Maintain a very high working temperature, save fuel consumption for exhaust gas preheating and heating, and reduce operating costs. The main structure of the RTO furnace is composed of a combustion chamber, a ceramic regenerator bed and a switching valve; the ceramic regenerator bed is composed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G7/06B08B5/02
CPCF23G7/068B08B5/02
Inventor 钱佩刚
Owner BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD
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