CN201543424U - DEHA reaction kettle - Google Patents

DEHA reaction kettle Download PDF

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Publication number
CN201543424U
CN201543424U CN2009202532303U CN200920253230U CN201543424U CN 201543424 U CN201543424 U CN 201543424U CN 2009202532303 U CN2009202532303 U CN 2009202532303U CN 200920253230 U CN200920253230 U CN 200920253230U CN 201543424 U CN201543424 U CN 201543424U
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CN
China
Prior art keywords
reactor
reaction kettle
closed circuit
inlet pipe
reaction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009202532303U
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Chinese (zh)
Inventor
郭学阳
张中法
黄慧
丁爱梅
吕彩玲
张庆国
韩桂云
李春艳
赵润红
郭祥荣
刘攀攀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weifang Zhongshi Chemical Co Ltd
Original Assignee
Weifang Zhongshi Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weifang Zhongshi Chemical Co Ltd filed Critical Weifang Zhongshi Chemical Co Ltd
Priority to CN2009202532303U priority Critical patent/CN201543424U/en
Application granted granted Critical
Publication of CN201543424U publication Critical patent/CN201543424U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a DEHA reaction kettle comprising a reaction kettle body; a thermometer sleeve is fixed on the reaction kettle body and extends into the reaction kettle body; and the reaction kettle further comprises a material circulation loop, a circulating pump is arranged on the material circulation loop, the material outlet pipe of the material circulation loop is arranged at the bottom of the reaction kettle body, the material inlet pipe of the material circulation loop extends into the reaction kettle body, and the opening of the material inlet pipe faces the thermometer sleeve. The reaction kettle can be used in chemical engineering production for temperature measurement when material in the reaction vessel is a little, and has obvious effect on strengthening material blending and promoting reaction.

Description

The diethyl hydroxylamine reactor
Technical field
The utility model relates to the chemical industry equipment field, relates in particular to a kind of reactor that can be convenient for measuring temperature of charge in the still.
Background technology
Diethyl hydroxylamine is as the nontoxic polymerization inhibitor and the power plant water treatment agent of butadiene-styrene rubber synthesizing new, at home and abroad produce and use existing for many years.With triethylamine and hydrogen peroxide be primary raw material to produce diethyl hydroxylamine through peroxidating, distillation, cracking, operation such as refining in the presence of catalyst be the comparatively ripe production technology that adopts on the present industry, the equipment that oxidation reaction is used mainly is enamel material reactor.Owing to reasons such as material proportion, raw material and production technologies, existing and the supporting enamel thermometer boss of standard glassed steel reaction vessels, under the less situation of material in reactor, even under stirring condition, thermometer boss does not reach material yet, therefore can not reflect real response situation (as temperature, temperature changing trend etc.) in the reactor.If changing and using material is that stainless extension pipe is as thermometer boss, the one, need to change supporting agitator, need simultaneously equipment is disintegrated, change comparatively trouble, the 2nd, under stirring state especially in the still coefficient surpass 70% o'clock lengthening stainless steel thermometer boss and rock severity, the flange weld fracture of sleeve pipe from the reactor mouth of pipe might take place, cause material ejection, material from production accidents such as lap joint flange leakages, and hydrogen peroxide, triethylamine all belong to poisonous and harmful substance.Therefore, the diethyl hydroxylamine reactor is improved, make its temperature measuring equipment can be fit to the production of diethyl hydroxylamine, accurately reflect real material reaction temperature, the production of diethyl hydroxylamine is had certain realistic meaning.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of diethyl hydroxylamine reactor, by reactor is improved, makes temperature measuring equipment can not only reflect the material in reactor temperature flexibly accurately, also helps to promote the mixing of materials reaction.
For solving the problems of the technologies described above, the technical solution of the utility model is:
The diethyl hydroxylamine reactor, comprise the reactor body, be fixed with thermometer boss on the described reactor body, described thermometer boss stretches in the described reactor body, described reactor also comprises the material closed circuit, and described material closed circuit is provided with circulating pump, and the material of described material closed circuit goes out the bottom that pipe is arranged at described reactor body, the material inlet pipe of described material closed circuit stretches into described reactor body interior, and the opening of material inlet pipe is towards described thermometer boss.
Described material inlet pipe is two, and the opening of two material inlet pipes lays respectively at the both sides of described thermometer boss and is oppositely arranged.
The material of described material closed circuit goes out on pipe and the material inlet pipe to be equipped with valve.
Be equipped with heat-insulation layer on the pipeline of described material closed circuit.
Owing to adopted technique scheme, the beneficial effects of the utility model are:
1, the utility model adopts the mode of material circulation to the thermometric of material, make material form uninterrupted logistics contact thermometer sleeve pipe, thermometric is convenient, flexible, be not subjected to the material in reactor quantitative limitation, the thermometric effect is the same with the effect that traditional temperature measuring equipment must contact material, has avoided the lengthening temperature tube of accessory processing when stirring great efforts to produce the phenomenon of rocking even rupturing.
Material constantly circulates during 2, owing to the utility model work, material in reactor has been played an effect of transmission mixing fast, therefore, after using the utility model to carry out thermometric, stirring can be do not used in inventory after a little while, and same reaction effect and the reaction speed that reaches when using agitating device can be reached.
3, material of the present utility model goes out on pipe and the material inlet pipe to be equipped with valve, can regulate the internal circulating load of material, and abundant in the material in reactor amount, when thermometer boss can touch material liquid surface, promptly can stop the material circulation, opens agitating device.
4, material closed circuit of the present utility model is provided with heat-insulation layer, kept the temperature of charge in the circulation, and two the opening of material inlet pipe lays respectively at the both sides of described thermometer boss and is oppositely arranged, thereby material can large tracts of land contact thermometer sleeve pipe, the temperature of measuring has reflected the true temperature in the reactor truely and accurately, and owing to use the effect of low lift and large flow rate circulating pump, the material circulation is fast, can not occur temperature during thermometric and show the drawback that lags behind.
5, the utility model is strengthened mixing of materials, reaction for measuring reaction temperature under the less condition of inventory in reaction vessel, in time migrates out reaction heat by circulation line or provides heat that referential scheme is provided.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
Among the figure, 1. reactor body; 2. thermometer boss; 3. material closed circuit; 31. material goes out pipe; 32. material inlet pipe; 33. the opening of material inlet pipe; 34. valve; 35. sampling line; 4. circulating pump.
The specific embodiment
As shown in drawings, the diethyl hydroxylamine reactor, comprise reactor body 1, be fixed with thermometer boss 2 on the described reactor body 1, described thermometer boss 2 stretches in the described reactor body 1, and described reactor also comprises material closed circuit 3, material closed circuit 3 is provided with circulating pump 4, the material of material closed circuit 3 goes out the bottom that pipe 31 is arranged at reactor body 1, and material inlet pipe 32 stretches into described reactor body 1 inside, and the opening 33 of material inlet pipe is towards thermometer boss 2.Described material inlet pipe 32 is two, and the opening 33 of two material inlet pipes lays respectively at the both sides of thermometer boss 2 and is oppositely arranged.The material of material closed circuit 3 goes out on pipe 31 and the material inlet pipe 32 to be equipped with valve 34.
During the utility model work, ON cycle pump 4, material begins circulation, control valve 34 makes mass flow be fit to temperature survey and material circulation, material is 180 ° of space relative directions at opening 33 places of two material inlet pipes and flows to thermometer boss 2, material can larger area contact thermometer sleeve pipe 2, therefore can measure the temperature of charge in the reactor more accurately, because material closed circuit 3 is provided with heat-insulation layer, kept the temperature of charge in the cyclic process, and because the effect of circulating pump 4, Flow of Goods and Materials is fast, not only thermometric is accurate, and the phenomenon that temperature shows hysteresis can not occur.
Abundant when the material in reactor amount, to such an extent as to when temperature measuring set 2 can touch material, can stop circulating pump 4, open agitating device.
Material closed circuit 3 of the present utility model is provided with sampling line 35 in the import department of circulating pump 4, is used for material in the emptying pipeline, and can takes a sample at any time and carry out situation with the reaction in the monitoring reaction still.
The utility model is applicable to the temperature survey under the less condition of inventory in the reaction vessel in other Chemical Manufacture, for strengthen mixing of materials, to promote that effect is carried out in reaction remarkable.

Claims (4)

1. diethyl hydroxylamine reactor, comprise the reactor body, be fixed with thermometer boss on the described reactor body, described thermometer boss stretches in the described reactor body, it is characterized in that: described reactor also comprises the material closed circuit, described material closed circuit is provided with circulating pump, the material of described material closed circuit goes out the bottom that pipe is arranged at described reactor body, the material inlet pipe of described material closed circuit stretches into described reactor body interior, and the opening of material inlet pipe is towards described thermometer boss.
2. diethyl hydroxylamine reactor as claimed in claim 1 is characterized in that: described material inlet pipe is two, and the opening of two material inlet pipes lays respectively at the both sides of described thermometer boss and is oppositely arranged.
3. diethyl hydroxylamine reactor as claimed in claim 2 is characterized in that: the material of described material closed circuit goes out on pipe and the material inlet pipe to be equipped with valve.
4. diethyl hydroxylamine reactor as claimed in claim 3 is characterized in that: be equipped with heat-insulation layer on the pipeline of described material closed circuit.
CN2009202532303U 2009-11-12 2009-11-12 DEHA reaction kettle Expired - Fee Related CN201543424U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202532303U CN201543424U (en) 2009-11-12 2009-11-12 DEHA reaction kettle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202532303U CN201543424U (en) 2009-11-12 2009-11-12 DEHA reaction kettle

Publications (1)

Publication Number Publication Date
CN201543424U true CN201543424U (en) 2010-08-11

Family

ID=42598581

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009202532303U Expired - Fee Related CN201543424U (en) 2009-11-12 2009-11-12 DEHA reaction kettle

Country Status (1)

Country Link
CN (1) CN201543424U (en)

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100811

Termination date: 20111112