CN105289446A - Chemical reaction vessel apparatus - Google Patents

Abstract

The invention discloses a chemical reaction vessel apparatus. The chemical reaction vessel apparatus is characterized in that a pedestal is in a circle structure, a cylinder rod passes through the pedestal 7 and is connected with a rotation motor, the cylinder rod and the pedestal are sealed through a sealing ring, so that overflow of a reaction liquid in the reaction vessel can be avoided. Three installation holes are respectively opened on the cylinder rod along a height direction, and are connected with a large impeller, a middle impeller and a small impeller, and three impellers are respectively rotated by following the rotation of the cylinder rod. During an impeller stirring process in the reaction vessel, the stirring hierarchy of the reaction liquid is obvious, the stirring speed of the lower layer liquid is fast, the stirring speed of the upper layer liquid is low, convection can be formed due to different flow velocity of the upper layer liquid and the lower layer liquid, and mixing is full. According to the invention, a spiral baffle plate is arranged on end and diameter direction of each impeller, an included angle of the spiral baffle plate inclined plane and a horizontal plane is 30 DEG, and convection for the upper layer liquid and the lower layer liquid while stirring is accelerated. The reaction liquid is fully mixed, and a reaction process is accelerated.

Description

A kind of chemical reaction kettle device

Technical field

The present invention relates to Chemical Manufacture consersion unit and manufacture field, particularly a kind of chemical reaction kettle device.

Background technology

Green Chemistry is the emergence and development emerging cross discipline of getting up nearly ten years, and its requires to utilize the principles of chemistry to eliminate environmental pollution from source, and the technology grown up on its basis is then called green chemical technology.The chemical production technology of exploitation environmental protection and low emission contributes to realizing energy-saving and emission-reduction and environmental protection, and Green Chemistry and chemical process are between guide's principle and development side.

Current, the i.e. energy-saving and emission-reduction of one of maximum test that chemical industry faces.People, by constantly introspecting and summing up chemistry and the relation of environment, resource, propose the New mea-sures of " atomic economy reaction ".Atomic economy reaction is the current Disciplinary Frontiers of studying science and studying that internationalizes, it is the scientific basic of 21 century chemical industry sustainable development, its objective is and the technology path of existing Chemical Manufacture is changed into " eradicate from source and pollute " from " first polluting; administer afterwards ", thus more and more receive the concern of national governments, enterprise and academia.Atomic economy reaction is one of important content of Green Chemistry, has now become the focus that in modern synthetic chemistry, people pay close attention to.Americanized educational circles is " greenization of chemistry " one of the Main way as 2l century development of chemical industry.And U.S.'s " unacceptable total hydrocarbon " is presented to Green Chemistry

Ecological Industrial Area is a kind of infant industry tissue morphology designing foundation according to circular economy concept and industrial ecology principle.Sustainable development presidential council of U.S. definition eco industrial park is the industrial system of a planned exchanges of mass and energy, seeks the minimizing of the energy and raw materials consumption, refuse produces minimizes. and try hard to set up continuable economy, ecology and social relationships.Eco industrial park is the development of traditional industry garden, evolves, on the basis of using for reference traditional industry garden concentration effect, managerial experiences, eco industrial park achieves economic between enterprise, between society and natural environment network good interaction by the exchange of refuse, the interchange of information, the cooperation of management, and traditional industry garden cannot realize.At present, many countries are all at the planning construction carrying out eco industrial park, and in built ecological Industrial Area, Denmark's Kalundborg industry park most is representative; China is also at positive design and construction eco industrial park, and at present, China also has the national eco-industrial exemplary park of 12 Ge Yihuo State Environmental Protection Administration approval.

Development of chemical industry so far, establish suitable solid foundation, chemical industry has penetrated into each department of various countries' national economy, and its importance and generality are apparent, just because of the generality and in close relations with people's lives that chemical industry is produced and managed.The market competition of chemical industry is abnormal fierce, and particularly when current global economy and trade system is established gradually, the regionality that chemical industry is produced receives serious challenge.Change is greatly carried out in production and operation along with the development of science and technology, on the one hand, the production technology of the chemicals that some purposes are wide, demand is large is tending towards ripe and produces dog-eat-dog, to obtain certain benefit, just must by the Appropriate application of the energy in large-scale production, the integrated treatment of byproduct and the saving of human resources to realize scale effect, on the other hand, along with chemical products are to the continuous infiltration in national economy every field production technology.The each production field of national economy is also to chemical hi tech, and the requirement increasingly stringent of the chemical products of high-quality, for satisfied society arises at the historic moment to the particular/special requirement particular chemicals of chemicals performance.

Chemical machinery is the same with other engineering goods its self fixing life cycle; green chemical industry machinery is exactly in the process of its life cycle, meets the protection requirement of specific environment, environmentally safe or of low pollution; resource availability is the highest, the green chemical industry machinery that energy resource consumption is minimum.Meeting point between chemical machinery and environment is exactly take Green design as the design production thinking of theory, namely the life cycle that chemical machinery uses is combined with environmental protection, utilize the mentality of designing of various advanced person and technology to carry out technical, the feature of environmental protection, economy integration to chemical machinery, form a kind of novel Design of Chemical Machinery method thus.Such Green design concept also can be referred to as Eco-Design or Environmental Design.The principle of chemical machinery Green design is as follows: technical advance principle; Harmony principle; Optimum combination principle of effectiveness.The final object of the Green design of chemical machinery is exactly that to reach resource utilization in the process that will use at machinery high, and energy resource consumption is low, reaches or efficient productivity equal with original machinery, makes its discarded object recycle and to reach environment protection emission requirement simultaneously.

Chemical machinery evaluation of life cycle mainly proposes for environmental problem, is also the important step that science and technology are combined with Environmental Design to the chemical machinery evaluation of life cycle and reasonable employment in the process of the service of producing.Because chemical machinery its performance, maintenance, reliability in the process used all can produce important impact to whole production process.All to reasonably design whole life cycle and evaluate in the application process of any technological means, to guarantee the object reaching environmental protection.Thus, chemical machinery carries out evaluation of life cycle is important being also necessary.

In the manufacture production process of chemical machinery, design link starts one of most important link.Green design is actually a kind of realization of design concept, science and technology is combined with environmental protection concept, realizes chemical machinery in the protection requirement of producing and to environment in use procedure.Green science innovation design should with reliability design, human oriented design, Environmental Design and science innovation design used for products.In this process, reliability design is the basic engineering of product, and human oriented design is the core design of product, and Environmental Design is pursuit or the theory of product, and science innovation design is the optimal design of product.Only have them collaborative parallel, just can reach the unified harmonious object of chemical machinery and environmental protection.

The recycling of discarded object in the production process of chemical machinery, on the one hand preventing pollution environment, reuse on the other hand, reduce costs, and saves the energy.After the process implementation environmental protection designed and produce, recycling of the discarded object produced after more should noting Chemical Manufacture.Especially the utilization of " three wastes " and exploitation should be paid attention to fully, and high efficiente callback, recycles, so as not to cause ecological environmental pollution, health is on the hazard, the serious consequences such as economic loss.

Green package is the inexorable trend of environmental protection development, in packaging process, mainly can consider following factor: implement Green Packaging Design, optimizes packaging structure; Select packaging material to use nontoxic pollution-free, accomplish that materials are minimum, discarded object is minimum as far as possible; Packaging waste should easily reclaim, easily recycle and recycle, or it is free from environmental pollution etc. to degrade voluntarily; Not influence ecological environment, resource and human body health and property safety.For chemical machinery industry, production green chemical industry machinery, emphasis is just answered to get down to the work of the Green design of chemical machinery, green manufacturing, green package, recycling waste, capability of independent innovation aspect, only have and the work of each side is carried out perfect, follow the progress of science and technology closely, constantly realize innovation, believe that chemical machinery industry one realizes the theory of environmental protection surely, pick up from source, pollution-free or of low pollution, and then the sustainable development realizing chemical machinery and environment.

Green Fine Chemical, refers to the new application utilizing Green Chemistry, adopts low stain or free of contamination raw material, that is chemical process of " zero-emission " as far as possible. do not hold in both hands the environmental contaminants put and comprise " three wastes ".Green Fine Chemical technology should possess following characteristics: the first, adopts harmless, nontoxic raw material: the second, carries out under nontoxic reaction condition; 3rd, have atom economy type, namely reaction has high selectivity, reduces accessory substance, strives for " zero handful is put "; 4th, should adopt based on nexhaustible energy supply; 5th, product is friendly harmless to environment.

Green Fine Chemical and fine chemistry industry have identical feature, and fast, various in style, the technology-intensive degree of update speed is high, selectivity is strong, synthesis technique is meticulous.Because the basis of fine chemistry industry is Minute Organic Synthesis, therefore we need to pay the utmost attention to development green synthesis techniques, realize atom economy reaction.And then reach the object of realization " zero handful is put ".

Summary of the invention

Chemical Manufacture is often along with heat production or the generation having venom gas, therefore generally to react in a more airtight environment, traditional reactor is in the process stirred, mixing between levels reaction liquid is also insufficient, or owing to adding that flow-stopping plate device makes reactor volume larger, therefore, the object of the invention is to propose a kind of chemical reaction kettle device, this apparatus design is easy, be convenient to the cleaning to reactor after reacting, extend reactor service life, this device levels liquid rotating speed is different in addition, more be beneficial to levels liquid and produce convection current, reaction liquid is made to mix fully, thus quickening reaction process, shorten the time that chemical industry is manufactured.

For reaching this object, the present invention by the following technical solutions:

A kind of chemical reaction kettle device, comprising: 1, reative cell, and 2, small impeller, 3, middle impeller, 4, helical baffle, 5, large impeller, 6, cylindrical bar, 7, pedestal.

The present invention is such practical function, and as shown in Figure 1, pedestal 7 is circular configuration, and cylindrical bar 6 is connected with electric rotating machine through pedestal 7, and cylindrical bar 6 and pedestal 7 are sealed by sealing ring, in case the reaction liquid in reactor flows out.Cylindrical bar 6 has three installing holes in short transverse, and respectively with large impeller 5, middle impeller 3 is connected with small impeller 2, and three impellers rotate along with the rotation of cylindrical bar 6 respectively.Like this, reaction liquid is in the process stirred by impeller in reactor, and stir level obvious, lower floor's liquid is stirred speed, and upper strata is comparatively slow, makes levels liquid form convection current, mix composition more because levels flow rate of liquid is different.Each installation helical baffle 4 on the end and diametric(al) of each impeller, helical baffle inclined-plane becomes 30 ° of angles with horizontal plane, make reaction levels liquid accelerate convection current when stirring.Reaction liquid mixing is abundant, accelerated reaction process.The invention has the beneficial effects as follows that design is easy, be convenient to the cleaning to reactor after reacting, extend reactor service life, this device levels liquid rotating speed is different in addition, more be beneficial to levels liquid and produce convection current, reaction liquid is mixed fully, thus accelerates reaction process, shorten the time that chemical industry is manufactured.

Accompanying drawing explanation

Fig. 1 is a kind of chemical reaction kettle device structural representation that the specific embodiment of the invention provides.

Wherein number in the figure is as follows:

1, reative cell, 2, small impeller, 3, middle impeller, 4, helical baffle, 5, large impeller, 6, cylindrical bar, 7, pedestal.

Detailed description of the invention

Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.

Embodiment 1

As shown in Figure 1, pedestal 7 is circular configuration, and cylindrical bar 6 is connected with electric rotating machine through pedestal 7, and cylindrical bar 6 and pedestal 7 are sealed by sealing ring, in case the reaction liquid in reactor flows out.Cylindrical bar 6 has three installing holes in short transverse, and respectively with large impeller 5, middle impeller 3 is connected with small impeller 2, and three impellers rotate along with the rotation of cylindrical bar 6 respectively.Like this, reaction liquid is in the process stirred by impeller in reactor, and stir level obvious, lower floor's liquid is stirred speed, and upper strata is comparatively slow, makes levels liquid form convection current, mix composition more because levels flow rate of liquid is different.Each installation helical baffle 4 on the end and diametric(al) of each impeller, helical baffle inclined-plane becomes 30 ° of angles with horizontal plane, make reaction levels liquid accelerate convection current when stirring.Reaction liquid mixing is abundant, accelerated reaction process.

Claims (3)

1. a chemical reaction kettle device, comprising: reative cell, small impeller, middle impeller, helical baffle, large impeller, cylindrical bar, pedestal, it is characterized in that, pedestal is circular configuration, and cylindrical bar is connected with electric rotating machine through pedestal, cylindrical bar and pedestal are sealed by sealing ring, in case the reaction liquid in reactor flows out.

2. a kind of chemical reaction kettle device according to claim 1, is characterized in that, cylindrical bar has three installing holes in short transverse, and respectively with large impeller, middle impeller is connected with small impeller, and three impellers rotate along with the rotation of cylindrical bar respectively.

3. a kind of chemical reaction kettle device according to claim 1, it is characterized in that, each installation helical baffle on the end and diametric(al) of each impeller, helical baffle inclined-plane becomes 30 ° of angles with horizontal plane, make reaction levels liquid accelerate convection current when stirring.