CN203429083U - Efficient heterogeneous reaction device for chloroxylenol - Google Patents

Efficient heterogeneous reaction device for chloroxylenol Download PDF

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Publication number
CN203429083U
CN203429083U CN201320406882.2U CN201320406882U CN203429083U CN 203429083 U CN203429083 U CN 203429083U CN 201320406882 U CN201320406882 U CN 201320406882U CN 203429083 U CN203429083 U CN 203429083U
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China
Prior art keywords
storage tank
heterogeneous reaction
recycle pump
pipe
circulating pump
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Expired - Lifetime
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CN201320406882.2U
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Chinese (zh)
Inventor
吴飞
邵赞华
胡汉忠
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Hunan Crown Bio Chemical Technology Co Ltd
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Hunan Lijie Biochemical Co Ltd
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Abstract

The utility model discloses an efficient heterogeneous reaction device for chloroxylenol. The efficient heterogeneous reaction device comprises a material charging pipe (4), a storage tank (5), a material discharging pipe (6), a circulating pump (7), a circulating pump connecting pipe (8) and a jet flow reactor (3), wherein the circulating pump (7) is connected with the material discharging pipe (6) of the storage tank (5) through the circulating pump connecting pipe (8) and is connected with the material charging pipe (4) of the storage tank (5) through the circulating pump connecting pipe (8) and the jet flow reactor (3) in sequence. A process of oxidizing and chloridizing 3,5-dimethylphenol for synthesis of parachlorometaxylenol (PCMX) is a gas-liquid-liquid heterogeneous reaction process. The problem of mass transfer of a gas-liquid heterogeneous reaction process in an oxychlorination process of the 3,5-dimethylphenol is well solved by using the high mass transfer effect of the jet flow reactor according to a jet flow circulating reaction system, so that the reaction speed is greatly increased.

Description

A kind of efficient heterogeneous reaction device of roxenol
Technical field
The utility model relates to chemical reaction equipment technical field, particularly a kind of efficient heterogeneous reaction device of roxenol.
Background technology
PCMX(CIFA called after roxenol), its synthetic method is oxidation chlorination method, the raw material of the method is hydrochloric acid, cupric salt catalyzer, oxidizing gas and 3,5-xylenol, in reaction process, for increasing the mass transfer effect of each phase of reactant, the general conversion unit that adopts increases whipping appts, but mass-transfer efficiency is still very low, and need conversion unit to there is good resistance to air loss, increase again the energy consumption brought because of stirring and the wearing and tearing of equipment, reduced production efficiency, shortened the work-ing life of equipment.As shown in Figure 1, it is comprised of 1 electric motor, 2 material feeding pipes, 3 reaction storage tanks, 4 agitators, 5 material discharge nozzles the device that existing oxidation chlorination method is used, and wherein 1 electric motor is connected with 4 agitators.
The shortcoming of existing conversion unit is:
1, mass-transfer efficiency is low;
2, service life of equipment is short;
3, energy consumption is high;
4, complicated operation.
Therefore, need a kind of reaction unit that can overcome existing conversion unit shortcoming.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is the mass-transfer efficiency improving in MX oxidation chlorination process, improves speed of response, reduces energy consumption, handled easily, and the operate continuously of realization response.
(2) technical scheme
The purpose of this utility model is to provide a kind of efficient heterogeneous reaction device of roxenol.
The efficient heterogeneous reaction device of the roxenol that the utility model provides, comprise material feeding pipe 4, storage tank 5, material discharge nozzle 6, recycle pump 7, recycle pump pipe connecting 8, jet reactor 3, wherein recycle pump 7 is connected with the material discharge nozzle 6 of storage tank 5 by recycle pump pipe connecting 8, and recycle pump 7 is connected with the material feeding pipe 4 of storage tank 5 by recycle pump pipe connecting 8, jet reactor 3 successively.
Described efficient heterogeneous reaction device also comprises gas inlet pipe 1, equilibration tube 2, and described gas inlet pipe 1 is opened the nozzle place at jet reactor 3, and gas inlet pipe 1 is connected with storage tank 5 by equilibration tube 2.
The coupling device of described Gas Jet inlet pipe 1, equilibration tube 2, jet reactor 3, material feeding pipe 4, material discharge nozzle 6, recycle pump pipe connecting 8 and each junction is the material preparation of corrosion-resistant and resistance to elevated temperatures.
(3) beneficial effect
Oxidation chlorination 3, the synthetic PCMX of 5-xylenol is solution-air-liquid heterogeneous reaction process, the utility model is by adopting jet-loop reactive system, utilize the high mass transfer effect of jet reactor, well solved 3, in 5-xylenol oxidation chlorination process, the mass transfer problem of solution-air heterogeneous reaction process, has improved speed of response greatly.
In addition, by equilibration tube, conversion unit is connected with gas feed, the oxidizing gas that reuse is unnecessary, the utilising efficiency of oxidizing gas in raising reaction process.
Accompanying drawing explanation
Fig. 1: be existing conversion unit, wherein 1 is electric motor, and 2 is material feeding pipe, 3 is reaction storage tank, and 4 is agitator, and 5 is material discharge nozzle;
Fig. 2: be reaction unit of the present utility model, wherein 1 is gas inlet pipe, and 2 is equilibration tube, and 3 is jet reactor, and 4 is material feeding pipe, and 5 is storage tank, and 6 is material discharge nozzle, and 7 is recycle pump, and 8 is recycle pump pipe connecting.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
Embodiment 1: the efficient heterogeneous reaction device of roxenol
An efficient heterogeneous reaction device, by gas inlet pipe 1, equilibration tube 2, jet reactor 3, material feeding pipe 4, storage tank 5, material discharge nozzle 6, recycle pump 7, recycle pump pipe connecting 8, formed.
Described recycle pump 7 is connected with the material outlet 6 of storage tank 5 by recycle pump pipe connecting 8, and recycle pump 7 is connected with the feed-pipe 4 of storage tank 5 by recycle pump pipe connecting 8, jet reactor 3 successively.
Described gas inlet pipe 1 is opened the nozzle place at jet reactor 3, and equilibration tube 2 connects gas inlet pipe 1 and storage tank 5.
Described jet reactor 3, recycle pump pipe connecting 8, equilibration tube 2 and all junctions all adopt the material preparation of corrosion-resistant and resistance to elevated temperatures.
Embodiment 2: reaction relatively
1, experimental technique: in the synthetic PCMX of oxidation chlorination, equipment configuration as shown in the device (as Fig. 1) of employing the utility model (as Fig. 2) and prior art reacts, in reactor (storage tank), add 50Kg reactant (3,5-xylenol), 10Kg catalyzer (cupric salt) and 37.40Kg hydrochloric acid react, 95 ℃ of temperature of reaction.While adopting reactor shown in Fig. 1, stirring velocity is 120r/min; While adopting reactor shown in Fig. 2, recycle pump flow velocity 3m 3/ h, selectivity and the transformation efficiency of monitoring reaction.
2, comparative result: in Table 1:
Table 1 is conventional to be stirred and jet agitation reaction efficiency Data Comparison
Figure BDA00003484170900031
Table 1 result shows, the device that utilizes the utility model to provide, and the synthetic PCMX reaction times of oxidation chlorination is short, and transformation efficiency is high, can reach the object of highly effective reaction completely.
Above embodiment is only for illustrating the utility model; and be not limitation of the utility model; the those of ordinary skill in relevant technologies field; in the situation that not departing from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.

Claims (2)

1. the efficient heterogeneous reaction device of a roxenol, it is characterized in that, this device comprises material feeding pipe (4), storage tank (5), material discharge nozzle (6), recycle pump (7), recycle pump pipe connecting (8), jet reactor (3), and wherein recycle pump (7) is connected with the material discharge nozzle (6) of storage tank (5) by recycle pump pipe connecting (8); Recycle pump (7) is connected with the material feeding pipe (4) of storage tank (5) by recycle pump pipe connecting (8), jet reactor (3) successively.
2. device according to claim 1, it is characterized in that, described efficient heterogeneous reaction device also comprises gas inlet pipe (1), equilibration tube (2), described gas inlet tube (1) is opened at the nozzle place of jet reactor (3), and gas inlet pipe (1) is connected with storage tank (5) by equilibration tube (2).
CN201320406882.2U 2013-07-09 2013-07-09 Efficient heterogeneous reaction device for chloroxylenol Expired - Lifetime CN203429083U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320406882.2U CN203429083U (en) 2013-07-09 2013-07-09 Efficient heterogeneous reaction device for chloroxylenol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320406882.2U CN203429083U (en) 2013-07-09 2013-07-09 Efficient heterogeneous reaction device for chloroxylenol

Publications (1)

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CN203429083U true CN203429083U (en) 2014-02-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111574329A (en) * 2020-05-18 2020-08-25 万华化学集团股份有限公司 Reactive distillation device and method for producing 4-chloro-3, 5-dimethylphenol
CN113996263A (en) * 2021-10-26 2022-02-01 鞍山七彩化学股份有限公司 Heterogeneous reactor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111574329A (en) * 2020-05-18 2020-08-25 万华化学集团股份有限公司 Reactive distillation device and method for producing 4-chloro-3, 5-dimethylphenol
CN111574329B (en) * 2020-05-18 2022-09-20 万华化学集团股份有限公司 Reactive distillation device and method for producing 4-chloro-3, 5-dimethylphenol
CN113996263A (en) * 2021-10-26 2022-02-01 鞍山七彩化学股份有限公司 Heterogeneous reactor

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Denomination of utility model: Efficient heterogeneous reaction device for chloroxylenol

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Address after: 410000 1 South, Ningxiang Economic Development Zone, Hunan, Changsha

Patentee after: HUNAN LIJIE BIOCHEMICAL Co.,Ltd.

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Address after: Yuelu District City, Hunan province 410000 Changsha Lugu Road No. 627 new Changhai center B3 Building 9 floor

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Patentee after: Hunan crown bio chemical technology Co.,Ltd.

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