CN-121977207-A - Porous medium burner unit regeneration system and regeneration method thereof

Abstract

The invention discloses a porous medium burner unit regeneration system and a regeneration method thereof, and relates to the technical field of burners, wherein the porous medium burner unit regeneration system comprises a porous medium burner unit, a premixed gas pipeline connected with the porous medium burner unit, an exhaust pipeline, a premixed pipeline cut-off valve, a matched buckle cover and a compressed air pipeline branch pipe, wherein the exhaust pipeline is communicated with the porous medium burner unit, the exhaust pipeline is provided with the exhaust pipeline cut-off valve, the premixed pipeline cut-off valve is arranged on the premixed gas pipeline, the matched buckle cover is detachably buckled on the porous medium burner unit to form a closed space, at least one compressed air connector is arranged on the matched buckle cover, the compressed air pipeline branch pipe is communicated with the compressed air connector, and the branch pipe cut-off valve is arranged. The invention can realize the integral online regeneration of the porous medium combustion unit, has simple operation, avoids the risk of disassembly and damage, and effectively prolongs the service life of the burner.

Inventors

• FU XIAO
• ZHOU YILIANG
• SI WENPENG
• Fan Lehui
• HAO JIAYU
• HU DIANSHI
• LIU YUEJIAN
• HE JITAO
• LI WEIJUN
• LI XIUTONG
• MEI XUESONG
• HUANG LEI

Assignees

• 中冶南方都市环保工程技术股份有限公司
• 都市环保防城港有限公司

Dates

Publication Date

20260505

Application Date

20260331

Claims (10)

1. 1. A porous medium burner unit regeneration system comprising a porous medium burner unit and a premix gas line connected thereto, further comprising: An exhaust gas pipeline communicated with the porous medium burner unit, wherein an exhaust gas pipeline cut-off valve is arranged on the exhaust gas pipeline; the premix pipeline cut-off valve is arranged on the premix gas pipeline; A matching buckle cover detachably buckled on the porous medium burner unit to form a closed space, wherein the matching buckle cover is provided with at least one compressed air connector and And the compressed air pipeline branch pipe is communicated with the compressed air joint and is provided with a branch pipe cut-off valve.
2. 2. A porous medium burner unit regeneration system according to claim 1, wherein a filter is further provided on the exhaust line, said filter being provided downstream of the exhaust line shut-off valve, the end of the exhaust line leading to an environmental treatment facility.
3. 3. A porous media burner unit regeneration system as claimed in claim 1 wherein said mating clasp covers are evenly arranged with a plurality of sets of said compressed air connectors.
4. 4. A porous media burner unit regeneration system as claimed in claim 1 or 3 wherein said compressed air conduit branch is a single branch, said compressed air conduit branch communicating with a plurality of sets of compressed air connectors on said mating buckle closure.
5. 5. The porous media burner unit regeneration system of claim 1, further comprising a buckle closure seal; the buckle cover sealing device is a buckle and is used for buckling and sealing the matched buckle cover and the porous medium burner unit.
6. 6. A porous medium burner unit regeneration system according to claim 1, wherein said compressed air manifold is of a telescopic construction.
7. 7. A porous medium burner unit regeneration system according to claim 1, wherein said compressed air line branch is connected to a gas source by a compressed air line main.
8. 8. A porous medium burner unit regeneration system according to claim 1, wherein said compressed air line manifold is further provided with a pressure regulating valve for regulating the purge pressure of compressed air into said enclosed space.
9. 9. A regeneration method of a porous medium burner unit regeneration system according to any one of claims 1 to 8, characterized in that the regeneration method comprises the steps of: closing the premix pipeline shut-off valve and opening the exhaust pipeline shut-off valve; the matched buckle cover is buckled on the porous medium burner unit and is buckled and sealed through the buckle cover sealing device; Opening the branch pipe cut-off valve, introducing compressed air into the porous medium burner unit for purging and regenerating, and discharging regenerated waste gas from a waste gas pipeline through a filter; and after the regeneration is finished, closing the branch pipe cut-off valve and the waste gas pipeline cut-off valve, and removing the matched buckle cover.
10. 10. The regeneration method of a porous medium burner unit regeneration system according to claim 9, wherein the purge regeneration time is set to 15 to 20 minutes, the regeneration method further comprising: After the matched buckle cover is removed, the filter is removed and cleaned, and the premixing pipeline cut-off valve is opened when the next porous medium combustion unit is opened.

Description

Porous medium burner unit regeneration system and regeneration method thereof Technical Field The invention relates to the technical field of burners, in particular to a porous medium burner unit regeneration system and a porous medium burner unit regeneration method. Background The porous medium combustion is a gas combustion technology for realizing the maximization of enthalpy value by premixing combustion of fuel and oxidant in pores of the porous medium, mainly heats a workpiece through infrared, is a novel energy-saving combustion technology, is widely popularized and applied at home and abroad at present, and is mainly applied to industries such as steel, papermaking, textile, petrochemical industry and the like. The porous medium burner can be combined and flexibly used, one or more groups of combustion units are designed according to the heating requirement and the heating position, and each group of units can be provided with a plurality of porous medium burners and can be independently controlled. Further, depending on the moving direction of the heating workpiece, the arrangement forms thereof are various, including a lateral arrangement, a longitudinal arrangement, an inclined arrangement, a mixed arrangement, and the like. However, in the prior practical application, the following obvious defects are that the gaps in the porous medium burner are very small, and when a workpiece is heated, foreign matters or impurities are inevitably dropped on the surface of the workpiece, so that the porous medium burner is blocked, the burner cannot burn uniformly, and even the burner is damaged. The existing common practice is that the burner with problems is detached one by one for inspection, repair or replacement when the equipment is overhauled. This traditional off-line process is very inefficient and can easily lead to irreversible physical damage to the individual porous media burners during repeated disassembly. Disclosure of Invention The invention mainly aims to provide a porous medium burner unit regeneration system and a regeneration method thereof, which aim to realize the integral online regeneration of a porous medium burner unit, reduce risks caused by disassembly, improve cleaning efficiency and prolong the service life of equipment. The regeneration system of the porous medium burner unit comprises the porous medium burner unit and a premixed gas pipeline connected with the porous medium burner unit, and further comprises an exhaust pipeline, a premixed pipeline cut-off valve, a matched buckle cover and a compressed air pipeline branch pipe, wherein the exhaust pipeline is communicated with the porous medium burner unit, the exhaust pipeline is provided with the exhaust pipeline cut-off valve, the premixed pipeline cut-off valve is arranged on the premixed gas pipeline, the matched buckle cover is detachably buckled on the porous medium burner unit to form a closed space, the matched buckle cover is provided with at least one compressed air connector, and the compressed air pipeline branch pipe is communicated with the compressed air connector and is provided with the branch pipe cut-off valve. In one embodiment, a filter is further provided on the exhaust line, the filter being provided downstream of the exhaust line shut-off valve, the end of the exhaust line leading to an environmental treatment facility. In an embodiment, a plurality of groups of compressed air connectors are uniformly arranged on the matched buckle cover. In an embodiment, the compressed air pipeline branch pipe is a single branch pipe, and the compressed air pipeline branch pipe is communicated with the plurality of groups of compressed air connectors on the matched buckle cover. In one embodiment, the porous medium burner unit regeneration system further comprises a buckle closure sealing device, wherein the buckle closure sealing device is a buckle and is used for fastening and sealing the matched buckle closure and the porous medium burner unit. In one embodiment, the compressed air pipeline branch pipe adopts a telescopic structure. In one embodiment, the compressed air line branch line is connected to a gas source via a compressed air line main line. In one embodiment, the compressed air pipeline branch pipe is further provided with a pressure regulating valve for regulating the sweeping pressure of the compressed air entering the closed space. The invention also provides a regeneration method of the porous medium burner unit regeneration system, which is like the porous medium burner unit regeneration system, and the regeneration method comprises the following steps of closing the premixed pipeline shut-off valve, opening the waste gas pipeline shut-off valve, buckling a matched buckle cover on the porous medium burner unit and fastening and sealing the porous medium burner unit through a buckle cover sealing device, opening the branch pipe shut-off valve, introducing compressed air into the porous medium burne