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Precise and efficient multistage condensation separation equipment

A technology of condensation separation and secondary condensation, applied in the field of precise and efficient multi-stage condensation and separation equipment, can solve the problems of uncontrollable condensation temperature, uncontrollable condensation temperature, and difficult cleaning of condensation equipment, so as to improve the cooling effect and increase the cooling effect. Contact area, easy processing effect

Pending Publication Date: 2020-09-18
QINGDAO UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this condensation process, the following problems exist in the current industrial equipment: low condensation efficiency, uncontrollable condensation temperature, difficult classification of condensed pyrolysis oil, and difficult cleaning of condensation equipment
Generally, the water circulation condensing equipment in industrial production cannot control the condensation temperature when it is in use. When the equipment has been running for a period of time, it needs to stop heat dissipation or increase the water circulation. After condensation, only a certain range of oil can be obtained. After cracking, various Oils with different uses are mixed together, and further separation is still required to realize their uses, which is inefficient

Method used

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  • Precise and efficient multistage condensation separation equipment
  • Precise and efficient multistage condensation separation equipment
  • Precise and efficient multistage condensation separation equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Such as Figure 1-5 , Figure 10 As shown, a precise and high-efficiency multi-stage condensation separation equipment includes a condensing device and a cracking device connected to each other. The cracking device includes a cracking furnace 1, a delivery pipeline 2, a heavy oil collection barrel 3, a purification barrel 4, and a medium oil collection barrel 5. Light oil collection barrel 7, insulation box a 9, insulation box b 10, delivery pipeline 19;

[0057] The condensing device includes a primary condensing device 7 and a secondary condensing device 8; the primary condensing device 7 and the secondary condensing device 8 include an evaporation chamber;

[0058] As a preferred embodiment of the present invention, one end of the cracking furnace 1 is connected to the heavy oil collection barrel 3, and the other end of the tee pipe is connected to the input end of the evaporation chamber of the first-stage condensation device 7 through the delivery pipeline 19, and...

Embodiment 2

[0070] Copper tube fin assembly such as Figure 6 , 7 As shown, the copper tube 16 is helical. The fins 15 are circularly wound around the outside of the copper tube, such as Figure seven Shown in side view. The integral structure of fin 15 and copper tube 16 completely eliminates the contact thermal resistance that other forms of finned steel tubes cannot overcome due to the two-body structure of fin 15 and copper tube 16, and the longitudinal section of fin 15 is a trapezoidal structure, so The heat exchange efficiency of the fin 15 is improved to the greatest extent. The one-piece structure also increases the bearing capacity of the fins 15 and the copper tube 16, is resistant to wear, and solves the problem of wear on the pyrolysis gas convection heating surface. The external connection method of the copper tube fin combination device is the same as that of the first copper tube fin combination device, and is sealed in the cavity of the evaporation chamber. The copper...

Embodiment 3

[0072] The third copper tube fin combination such as Figure 8 , 9 As shown, the copper pipes 16 are arranged side by side and communicated with connecting pipes at both ends. On each copper tube 16 a fin 15 is wound helically around the copper tube. This copper tube-fin combination device is more economical than the previous two types of cost. The copper tube 16 is a straight tube for easy processing, and the fins 15 are welded on the copper tube 16. The external connection mode of the copper tube-fin assembly is the same as the first one, and is sealed in the cavity of the evaporation chamber. The copper tube 16 is connected to the liquid storage tank 11 at one end and the throttle valve 14 at the other end outside the sealed cavity. The rest of the connections are completely the same as the first copper tube fin combination.

[0073] The above three copper tube fin combinations can be replaced at will, and the rest of the structure remains unchanged.

[0074] The above ...

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Abstract

The invention discloses precise and efficient multistage condensation separation equipment, which comprises a condensation device and a cracking device which are connected with each other. The cracking device comprises a cracking furnace, a conveying pipeline, a heavy oil collecting barrel, a purifying barrel, a medium oil collecting barrel, a light oil collecting barrel, a heat preservation box a, a heat preservation box b and a conveying pipeline; one end of the cracking furnace is connected with the heavy oil collecting barrel, and the other end of a three-way pipe is connected with the input end of an evaporation chamber of a primary condensing device. The middle oil collecting barrel is communicated below an evaporation chamber; the output end of the evaporation chamber is communicated with the input end of the evaporation chamber of a secondary condensing device through the conveying pipeline, the lower portion of the evaporation chamber of the secondary condensing device is communicated with the light oil collecting barrel, the output end of the evaporation chamber of the secondary condensing device is connected with a heat preservation box, the output pipeline of the heat preservation box is communicated with the purifying barrel, and the purifying barrel is communicated with the cracking furnace. The problems in the prior art that oily substances with a large range ofvalues are obtained after cracking and condensation, and the different cracking oily products should be further separated are solved.

Description

technical field [0001] The invention relates to the field of multi-stage pyrolysis condensation separation of waste plastics, in particular to a precise and efficient multi-stage condensation separation equipment. Background technique [0002] At present, with the rapid development of industry, the amount of plastics is increasing day by day. Waste plastics not only pollute the environment, but are also a great waste of resources. The recycling of waste plastics has become an imminent issue. Currently, there are two types of recycling: physical recycling and chemical recycling. Physical recycling usually only changes the physical form and physical properties of materials. The process is simple and the application range is narrow, or it can be used as filler, economical Low value; chemical recycling works by effectively breaking down the matrix structure of the material to form new forms or usable new substances. [0003] Chinese patent CN201520054657.6 specifically relates ...

Claims

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Application Information

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IPC IPC(8): C10G5/06B01D5/00
CPCC10G5/06B01D5/0036B01D5/0003B01D5/006B01D5/0087B01D5/0096
Inventor 尹凤福孙启坤王晓东刘广阔郭磊张德伟汪传生
Owner QINGDAO UNIV OF SCI & TECH
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