Novel high-throughput micro-channel reactor provided with multiple layers of spirally winding tubes

A micro-channel reactor and high-throughput technology, applied in the field of new high-throughput multi-layer spiral wound tube micro-channel reactors, can solve the problems of uneven mixing of the reactor, high processing cost, unfavorable industrial amplification, etc., and achieve high efficiency The effect of continuous safety production, saving reaction time and saving R&D costs

Active Publication Date: 2015-01-07
NANJING UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention aims to overcome the shortcomings of traditional reactors such as uneven mixing, large power consumption, large equipment volume, and difficulty in continuous production, and to overcome the shortcomings of general microchannel reactors such as complex structure, high processing cost, and unfavorable industrial scale-up, etc., and provides a A new type of high-throughput multi-layer spiral wound tube microchannel reactor with high throughput, high heat transfer capacity, high synthesis rate, safety and high efficiency, low processing cost, and continuous

Method used

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  • Novel high-throughput micro-channel reactor provided with multiple layers of spirally winding tubes
  • Novel high-throughput micro-channel reactor provided with multiple layers of spirally winding tubes
  • Novel high-throughput micro-channel reactor provided with multiple layers of spirally winding tubes

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Embodiment 1

[0029] The novel high-throughput multi-layer spiral wound tube microchannel reactor that the embodiment of the present invention proposes, see figure 1 , mainly including reactant inlet and outlet sections 1a, 1b, inlet and outlet heads 2a, 2b, flanges 3a, 3b, inlet and outlet tube plates 4a, 4b, stainless steel capillary 5, fixed gasket 6, cylinder 7 , Around the cylinder 8, constant temperature medium inlet and outlet sections 9a, 9b, baffles 10a, 10b, left and right support 11a, 11b, center support tube 12, support 13.

[0030] Specifically, see figure 2 The two ends of the central support tube 12 are connected to the inlet and outlet tube plates 4a and 4b by welding to ensure the rigidity of the entire reactor. The support member 13 is connected by welding, and the inlet and outlet tube plates 4a, 4b, the central support tube 12, the winding cylinder 8 and the support member 13 constitute the supporting framework of the spiral wound tube microchannel reactor.

[0031] T...

Embodiment 2

[0043] The present invention also provides a kind of esterification technological process utilizing the helical winding tube microchannel reactor in embodiment 1 to synthesize diethyl methyl ester, see Figure 4 , involving two high-level liquid tanks respectively equipped with methanol + catalyst mixed liquid and diketene, two explosion-proof metering pumps, static mixer, spiral wound tube microchannel reactor, extension tube, constant temperature water bath, ice water bath, temperature measurement A pressure measuring instrument and connecting components including an explosion-proof electric ball valve, a check valve, an explosion-proof membrane, and an explosion-proof flowmeter. After being pumped into the static mixer and the check valve, the reaction solution is fully mixed. After mixing, it is quickly passed into the spiral-wound tube microchannel reactor. The reaction is fully carried out in the stainless steel capillary of the spiral-wound tube microchannel reactor. Th...

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Abstract

The invention relates to the technical field of the design of chemical reactors and discloses a novel high-throughput micro-channel reactor provided with multiple layers of spirally winding tubes. The reactor mainly comprises reactant inlet and outlet sections, inlet and outlet glands, flanges, inlet and outlet tube plates, stainless steel capillary tubes, a fixed pad strip, a drum, a winding drum, constant-temperature medium inlet and outlet sections, baffles, left and right supports, a central support tube and a support piece, wherein two ends of the central support tube are connected with the inlet and outlet tube plates, and the winding drum and the central support tube are located on a same axis and welded and connected through the support piece; the stainless steel capillary tubes spirally wind around the winding drum in a multi-layer manner, spiral directions of adjacent winding layers are opposite, multiple reaction tube bundles which take the winding drum as the circle center and have different circle diameters are formed, and two ends of each stainless steel capillary tube are connected onto the inlet and outlet tube plates respectively; the inlet and outlet glands are connected with the inlet and outlet tube plates respectively through the flanges. The reactor has the advantages of high throughput, high heat transfer capacity, high synthetic rate, safety, high efficiency, low machining cost, capability of realizing continuous production, easiness in parallel enlargement and the like.

Description

technical field [0001] The invention relates to the technical field of chemical reactor design, in particular to a microchannel reactor for the synthesis of chemical intermediates and the preparation of biomedical materials, and in particular to a novel high-throughput multi-layer spiral wound tube microchannel reactor for use in in some fast exothermic reactions. Background technique [0002] Reactor is the equipment to realize the reaction process, which is widely used in chemical industry, oil refining, metallurgy, light industry and other industries. Commonly used reaction equipment includes mixing tanks, extraction towers, static mixers, etc., which have a large processing capacity and can meet the needs of large-scale production. However, generally speaking, these mixing devices provide fluids with macro-scale mixing, which has disadvantages such as uneven mixing, large power consumption, large equipment volume, and difficulty in continuous production. [0003] With ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/00
CPCB01J19/0053B01J2219/00033B01J2219/00761B01J2219/00795
Inventor 凌祥蒋仕一彭浩李洋孙峰
Owner NANJING UNIV OF TECH
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