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Device and method for recovering glass reinforced plastic by pyrolysis

A technology of heat recovery device and recovery device, which is applied in special forms of dry distillation, coking oven, petroleum industry, etc., which can solve the problems of waste materials such as hard texture, large volume, and different shapes, and achieve moderate cost, thorough recovery, and good recovery effect Effect

Inactive Publication Date: 2009-12-02
王凤奎
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is still necessary to crush in the early stage. However, because the waste of FRP is too hard, has various shapes and large volumes, it is difficult to enter the pulverizer; and FRP contains a lot of fibers, which are long and tough, and it is difficult to achieve the ideal. shatter effect
At the same time, as a cement raw material, it is impossible to completely avoid the generation of harmful gases.

Method used

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  • Device and method for recovering glass reinforced plastic by pyrolysis
  • Device and method for recovering glass reinforced plastic by pyrolysis
  • Device and method for recovering glass reinforced plastic by pyrolysis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A kind of FRP pyrolysis recovery device, such as figure 1 , figure 2 , image 3 As shown, it includes a reactor 1, a heating device 5, and an oil-gas separation device 3; the reactor 1 includes a main body 12, a cover body 11 covered on the main body 12, and the outside of the reactor is provided with an insulating layer 13 made of an insulating material for heat preservation. The cavity insulation chamber formed between the layer 13 and the wall of the reactor 1, the reactor main body 12 and the cover body 11 are covered to form an airtight packing chamber 15, the bottom of the main body 12 is provided with a heat hole 16, and the side The wall is symmetrically provided with three heat passage holes 16, and the main body 12 is provided with a main heat passage pipe 17 from the bottom. The outlet ends of each branch heat pipe 18 are connected with three heat passage holes 16 on the side wall, and the heat passage holes 16 on the side wall are communicated through the...

Embodiment 2

[0039] A kind of FRP pyrolysis recovery device, such as Figure 4 As shown, its reactor 1 and heating device 5 are the same as those in Embodiment 1, so they are not repeated here. The main difference is that the oil-gas separation device can be composed of several condensation towers 31 and an oil-liquid separation pool 32. The condensation tower is equipped with an inlet pipe near the bottom and an outlet pipe at the top. Each condensation tower passes through the inlet pipe and the outlet pipe in turn. Connected, the reaction kettle 1 is connected to the inlet pipe of the first condensation tower through the ventilation pipe; the bottom of each condensation tower 31 is provided with a liquid outlet, and the liquid outlet of the condensation tower 31 is connected to the oil separation tank through pipelines 32. The oil-liquid separation tank 32 is a sealed container with a liquid outlet at the bottom and a control valve 33 at the liquid outlet.

[0040] The main difference...

Embodiment 3

[0043] A kind of glass fiber reinforced plastics pyrolysis recovery device, its difference with embodiment one only lies in the structure of reactor 1, as Figure 5 As shown, the reaction kettle 1 comprises a main body 12, a cover body 11 covered on the main body 12, and the outside of the reaction kettle is provided with an insulating layer 13 made of an insulating material, and the space formed between the insulating layer 13 and the wall of the reaction kettle 1 Cavity insulation chamber, the main body 12 is divided into material chamber 151 and fuel chamber 152 again, and this fuel chamber 152 upper end opening, material chamber 151 has a bottom plate, can utilize flange or other joints to assemble between the two, in addition, fuel chamber 152 is connected with a gas pipe connected to the heating device, and the gas pipe is provided with a control valve to adjust the flow of gas; thus, the gas supply device and the reactor 1 share a heat source, and the fuel required by th...

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Abstract

The invention relates to a device and a method for recovering a glass reinforced plastic by pyrolysis. The recycling device comprises a reaction kettle, a heating device, and an oil and gas separating device, wherein the outside of the reaction kettle is provided with an insulation layer; the reaction kettle is provided with a main body and a cover body; a closed packing chamber is formed on the inside after the main body and the cover body of the reaction kettle are closed; the main body is provided with a heat passing pipe from the bottom part in a penetrating mode; the heat passing pipe isconnected with the bottom part of the reaction kettle and heat passing holes on the side wall; the heat passing holes on the side wall are communicated with the heating device; and the packing chamber is communicated with the oil and gas separating device through a ventilating pipeline. The recovering method comprises the following steps: placing the glass reinforced plastic in the packing chamber, and heating the glass reinforced plastic to between 300 and 600 DEG C; generating an oil and gas mixture by the glass reinforced plastic under an anaerobic environment; and then separating the oil and gas mixture by the oil and gas separating device to obtain an oil layer and a residue in the packing chamber. The recovering device and the recovering method can effectively recover the glass reinforced plastic and solves the problem of difficult recovery of the glass reinforced plastic.

Description

technical field [0001] The invention relates to a recovery device and a method thereof, in particular to a glass fiber reinforced plastic pyrolysis recovery device and a method thereof. Background technique [0002] FRP is hard, wear-resistant and corrosion-resistant, and stable in nature. It is widely used to make various containers, decorations and engineering components. There are nearly a thousand medium-sized FRP manufacturers in China, and each company produces 6,000-8,000 tons of FRP waste every year. Because it is hard and difficult to decompose, the traditional method is to use high-temperature combustion or land burial for disposal. However, a strong pungent smell will be produced during the fire treatment, which will cause serious pollution to the surrounding environment; when the soil is buried, it is necessary to dig a hole, and the glass fiber reinforced plastic is difficult to decompose after being buried in the soil, which will cause serious pollution to the ...

Claims

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Application Information

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IPC IPC(8): C10B53/07C08G63/52
CPCY02P20/143
Inventor 王凤奎
Owner 王凤奎
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