CN105381778A - Reaction kettle - Google Patents
Reaction kettle Download PDFInfo
- Publication number
- CN105381778A CN105381778A CN201510957786.0A CN201510957786A CN105381778A CN 105381778 A CN105381778 A CN 105381778A CN 201510957786 A CN201510957786 A CN 201510957786A CN 105381778 A CN105381778 A CN 105381778A
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- Prior art keywords
- reactor
- cylindrical shell
- reactor according
- upper cover
- heat exchanger
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present application discloses a reaction kettle, which comprises a cylinder, a stirrer, an upper sealing head for sealing the upper end of the cylinder, and a lower sealing head for sealing the lower end of the cylinder, wherein the stirrer comprises a stirring shaft, a stirring paddle and a power device, the power device and the stirring paddle are respectively positioned on the inner side and the outer side of the cylinder, the stirring shaft is fixed between the power device and the stirring paddle, a tube bundle type heat taking mechanism is further vertically arranged inside the cylinder and comprises a plurality of high light heat exchange tubes arranged in a side-by-side manner, and the upper ends and the lower ends of the plurality of the high light heat exchange tubes are respectively communicated to the externals positioned at the upper sealing head and the lower sealing head. According to the present invention, through the tube bundle type heat taking mechanism, the heat exchange area inside the reaction kettle is substantially increased; and the heating area of the tube bundle equipment is increased a lot, such that the difficult problem that the diameter of the reaction kettle cylinder is increased due to the limited internal space so as to cause the increased cost is solved.
Description
Technical field
The application relates to a kind of novel reaction kettle, and it is specially adapted to caustic soda ionic membrane, fine chemistry industry, pharmacy, coating, food, cold-producing medium, the industries such as fine chemistry industry.
Background technology
At contemporary chemical industry or food, often need in the industries such as pharmaceutical industry just to react under the suitable condition of pressure and temp, most reaction is the process of heat release or heat absorption, so or the heat of supply will be needed to exchange to the releasing in process in the process of reaction, traditional is add half-pipe jacket device at the outer wall of reactor, reactor inside adds coil arrangement, in running, after agitator driving, material mixes in reactor, after temperature, pressure reaches reaction condition, add catalyst, be swift in response beginning, heat is released from reactant, mix fully to allow between material, and allow between material and cylinder inboard wall and carry out heat transmission fast, if reaction heat or the heat needed for reaction can not be taken away timely or can not supply timely, reaction efficiency and main reaction will receive serious impact.
Along with fine-grained management, the technology pursuing cost is constantly upgraded, and extensive reactor is badly in need of eliminating, simultaneously due to after the material large-scale plant of reactor, traditional means is all first amplified by reactor, or is divided into by reactor multiple, and the cost increase of agitator and control system is a lot.
In prior art, shown in composition graphs 1, the half-pipe jacket of reactor outer wall all uses pipe manufacture, but manufacture only has the pipe of 45% to be utilized like this.When reactor runs due to the rotation of agitator, material can along wall upper reaches, and flow process is not torn up, and mixed effect is bad.Traditional reactor is inadequate when heat exchange area, usually adopts the diameter expanding reactor to increase the number of turns of coil pipe, thus increases heat exchange area, the volume of reactor is corresponding also to be increased, but employing Pipe bundle structure, reactor is compacter, and the reaction efficiency of unit volume improves greatly; When the viscosity of material is very high, or when having solid particle inside material, material is easy to be attached in tube bank, the passage even between the upper heat exchanger tube of blocking tube bank.
Summary of the invention
The object of the present invention is to provide a kind of novel reactor, to overcome deficiency of the prior art.
For achieving the above object, the invention provides following technical scheme:
The embodiment of the present application discloses a kind of reactor, comprise cylindrical shell, agitating device, and be sealed in upper cover and the low head at the upper and lower two ends of described cylindrical shell, described agitating device comprises shaft, paddle and power set, described power set and paddle lay respectively at the inside and outside both sides of described cylindrical shell, described shaft is fixed between described power set and paddle, bundled tube heat-obtaining mechanism is also vertically provided with in described cylindrical shell, this bundled tube heat-obtaining mechanism comprises many high smooth heat exchanger tubes arranged side by side, the two ends up and down of described many high smooth heat exchanger tubes respectively with the ft connection being positioned at described upper cover and low head.
Preferably, in above-mentioned reactor, described bundled tube heat-obtaining mechanism also comprises polylith fixed head setting up and down, fixed head described in every block offers respectively the installing hole planted for described high light heat exchanger tube.
Preferably, in above-mentioned reactor, the outside of described cylindrical shell and low head is arranged with half-pipe jacket, and the both sides of the edge of this half-pipe jacket and the outer wall of described cylindrical shell and low head are welded and fixed.
Preferably, in above-mentioned reactor, described half-pipe jacket is by steel band roll forming.
Preferably, in above-mentioned reactor, the inwall of described cylindrical shell has been sticked baffle plate, and described baffle plate vertically offers multiple pattern hole.
Preferably, in above-mentioned reactor, described pattern hole has jagged edge or V-arrangement edge.
Preferably, in above-mentioned reactor, described power set comprise frame, reductor and motor, and described frame is installed on described upper cover, and described reductor and motor are installed on described upper cover successively.
Preferably, in above-mentioned reactor, the side of described frame is provided with balancer.
Preferably, in above-mentioned reactor, described upper cover is provided with liquid level sensor and hand-hole visor.
Preferably, in above-mentioned reactor, described high light heat exchanger tube surface finish precision is 0.16 micron grade.
Compared with prior art, the invention has the advantages that: this is novel by bundled tube heat-obtaining mechanism, considerably increase the heat exchange area of reactor inside, simultaneously because the heating surface (area) (HS of tube bank dress adds a lot, solve the difficult problem because inner space limited increase reactor barrel diameter brings cost to add, because the reaction of material is always along with the process of heat release or heat absorption, the raising of reaction efficiency and the temperature homogeneity of reactor inside and heat take very large relation fast away, the uneven side reaction share of temperature increases, the reduce phlegm and internal heat design of system of tube bank type solves this problem, greatly can improve the efficiency of reactor, the scope restriction be suitable for, the occasion of low-viscosity.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
It is the structural representation of reactor in conventional art described in Fig. 1;
Figure 2 shows that the structural representation of reactor in the specific embodiment of the invention;
Figure 3 shows that the welded schematic diagram of half-pipe jacket in the specific embodiment of the invention;
Figure 4 shows that two kinds of structural representations of baffle plate in the specific embodiment of the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be described in detail the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Shown in composition graphs 2, reactor, comprise cylindrical shell 1, agitating device 2, and be sealed in upper cover 3 and the low head 4 at cylindrical shell about 1 two ends, agitating device 2 comprises shaft 201, paddle 202 and power set 203, power set 203 and paddle 202 lay respectively at the inside and outside both sides of cylindrical shell 1, shaft 201 is fixed between power set 203 and paddle 202, bundled tube heat-obtaining mechanism 5 is also vertically provided with in cylindrical shell 1, this bundled tube heat-obtaining mechanism 5 comprises many high smooth heat exchanger tubes 501 arranged side by side, the two ends up and down of many high smooth heat exchanger tubes 501 respectively with the ft connection being positioned at upper cover 3 and low head 4.
In this technical scheme, be studied opportunity from the reaction mechanism of reactor and heat transfer, bundled tube heat-obtaining mechanism 5 is adopted to design, considerably increase the heat exchange area of reactor inside, simultaneously because the heating surface (area) (HS of tube bank dress adds a lot, solve the difficult problem because inner space limited increase reactor barrel diameter brings cost to add, because the reaction of material is always along with the process of heat release or heat absorption, the raising of reaction efficiency and the temperature homogeneity of reactor inside and heat take very large relation fast away, the uneven side reaction share of temperature increases, the reduce phlegm and internal heat design of system of tube bank type solves this problem, greatly can improve the efficiency of reactor, the scope restriction be suitable for, the occasion of low-viscosity.
Further, high light heat exchanger tube surface finish precision is 0.16 micron grade.
In this technical scheme, polishing is carried out on the surface of exchange heat pipe, accuracy class reaches 0.16 micron grade, due to the raising of the fineness on surface, reduce the capillary impact of surface on material of heat exchanger tube rough surface injustice, the covert surface tension adding material, material adhesive force reduces. the utilization of novel high light pipe, because reactant has the problem of thickness, the surface of common heat exchanger tube has the shape of a lot of convex-concave to give prominence to, these gap back warps often speckle with material, this material is motionless, or as incrustation scale, ensconce that place, if the material that viscosity is very large, also the slit flow channel of tube bank can be blocked, adopt high light pipe, the surface of exchange heat pipe processes, make roughness very low, the surface tension of liquid is greater than the capillary force of gap to material, material just cannot stick the surface at pipe, greatly less thermal resistance, improve heat exchange efficiency.
Further, bundled tube heat-obtaining mechanism 5 also comprises polylith fixed head 502 setting up and down, every block fixed head offers respectively the installing hole planted for high light heat exchanger tube.
In this technical scheme, realize that thermal-arrest is carried out to many heat exchanger tubes by fixed head and fix.
Further, shown in composition graphs 3, the outside of cylindrical shell 1 and low head 4 is arranged with half-pipe jacket 6, and the both sides of the edge of this half-pipe jacket 6 and the outer wall of cylindrical shell 1 and low head are welded and fixed.Half-pipe jacket 6 is preferably by steel band roll forming.
In this technical scheme, half-pipe jacket 6 adopts steel band roll forming, and utilization rate brings up to 95%, substantially increase raw-material utilization rate, account cost is 25% of classical production process, not only reduces the manufacturing cost of reactor, also shorten the manufacturing time of reactor, save the energy.
Further, the inwall of cylindrical shell 1 has been sticked baffle plate 7, baffle plate 7 vertically offers multiple pattern hole 701.Shown in composition graphs 4, pattern hole has jagged edge or V-arrangement edge.
In this technical scheme, baffle plate oppositely opens sawtooth pattern or other abnormally-structured baffle plate in pairs, and mixing evenness and mixed effect improve greatly.Baffle plate can also offer other profiled holes, as square, the hole of the shapes such as circle.Adopt band pass baffle plate, not only can reduce the moment of torsion that balance agitator needs, to allowing material pass baffle plate, secondary can also be formed to material flow and tear, enhancing mixing effect.
Further, power set 203 comprise frame 2031, reductor 2032 and motor 2033, and frame 2031 is installed on upper cover, and reductor 2032 and motor 2033 are installed on upper cover successively.The side of frame is provided with balancer 8.
Further, upper cover is provided with liquid level sensor 9 and hand-hole visor 10.
In this case, in the submarginal position of the upper cover of reactor, do not hinder the place that agitator operates, circumference opens multiple macropore, diameter as tube bank is DN200, DN250, 300, 350, 400, 450, 500, 550, 600, 700, the large mouth of 800 equal-specifications, little joint is designed at low head, allow the fluid of low temperature or high temperature enter end opening from upper shed go out, tube bank seat is on flange suitable for reading, bundled tube heat-obtaining mechanism is placed on inside reactor, when agitator runs, material rotates in reactor, when material is with certain speed, material high-speed is through bundled tube heat-obtaining mechanism, the coefficient of heat transfer improves greatly, in ordinary heat exchanger, the flow velocity basic controlling of liquid is within 3 meters, but the material flow in reactor can significantly improve, what have can reach 5-15 metre per second (m/s), so the coefficient of heat transfer in bundled tube heat-obtaining mechanism in reactor the heat transfer coefficient of reactor than usual can exceed 3-5 doubly, substantially increase the heat exchanger effect in unit volume.For full-bodied material, be attached in tube bank to prevent material, affect heat-transfer effect, now polishing is carried out on heat exchanger tube surface, precision reaches 0.16 micron order Gao Guang, the surface irregularity of heat exchanger tube is reduced the capillary force of material, the covert surface tension adding material, adjusts the distance between heat exchanger tube simultaneously, reaches 1.25-4 spacing doubly, substantially improve the problem of high-viscosity material attachment heat exchanger tube, improve the heat exchange amount in unit volume simultaneously; Change processing method by special grinding tool, by the processing method of outer coil pipe from tube to tubesheet, change the processing of steel band into, cost and process time reduce greatly, have saved the energy; The specification of outer coil pipe from
equal-specification, thickness 2,4,5,6,8,10,12 millimeters. baffle plate adopts the baffle plate of sawtooth pattern hollow out.When material is by this baffle plate, baffle plate has hollow out zigzag, can not only reduce in hollow out reduces the load of agitator, and can also carry out tearing of secondary to the fluid through baffle plate, the mixability of aggravation material, enhances the effect of stirring.
During work, reactant and catalyst enter reactor from the upper orifice of reactor, steam or conduction oil enter from the import entering upper cover tube bank through tube side medium, medium inside tube bank and reactor carries out heat exchange, from bottom out, first by the heating temperatures of reactant to the condition that can react, then catalyst is added, reaction is allowed to accelerate, reaction heat is taken away rapidly by tube bank in reactor, the rotation of agitator allows the material in reactor. whole tube bank be arranged in the large opening of several circumferences of upper cover, bottom is connected with end socket by stuffing box with the outlet of low head, compact conformation, the high light pipe manufacture of heat exchanger tube mainly adopts multiple tracks polishing to realize the effect of Gao Guang, be welded in the baffle plate become in barrel week, the processing of various profiled holes is mainly completed by Linear cut or punch press, then be welded on cylindrical shell, the flowing of material in reactor is mainly through fixing tube bank, heat exchange is carried out with the medium of tube side, reaction efficiency in effective lifting unit volume, the employing of high light pipe solves the problem of adhering to heat-exchanging tube bundle in the whipping process of high-viscosity material, improve the range of the utilization of reactor.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the detailed description of the invention of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of the application.
Claims (10)
1. a reactor, it is characterized in that, comprise cylindrical shell, agitating device, and be sealed in upper cover and the low head at the upper and lower two ends of described cylindrical shell, described agitating device comprises shaft, paddle and power set, described power set and paddle lay respectively at the inside and outside both sides of described cylindrical shell, described shaft is fixed between described power set and paddle, bundled tube heat-obtaining mechanism is also vertically provided with in described cylindrical shell, this bundled tube heat-obtaining mechanism comprises many high smooth heat exchanger tubes arranged side by side, the two ends up and down of described many high smooth heat exchanger tubes respectively with the ft connection being positioned at described upper cover and low head.
2. reactor according to claim 1, is characterized in that: described bundled tube heat-obtaining mechanism also comprises polylith fixed head setting up and down, fixed head described in every block offers respectively the installing hole planted for described high light heat exchanger tube.
3. reactor according to claim 1, is characterized in that: the outside of described cylindrical shell and low head is arranged with half-pipe jacket, and the both sides of the edge of this half-pipe jacket and the outer wall of described cylindrical shell and low head are welded and fixed.
4. reactor according to claim 3, is characterized in that: described half-pipe jacket is by steel band roll forming.
5. reactor according to claim 1, is characterized in that: the inwall of described cylindrical shell has been sticked baffle plate, and described baffle plate vertically offers multiple pattern hole.
6. reactor according to claim 5, is characterized in that: described pattern hole has jagged edge or V-arrangement edge.
7. reactor according to claim 1, is characterized in that: described power set comprise frame, reductor and motor, and described frame is installed on described upper cover, and described reductor and motor are installed on described upper cover successively.
8. reactor according to claim 7, is characterized in that: the side of described frame is provided with balancer.
9. reactor according to claim 1, is characterized in that: described upper cover is provided with liquid level sensor and hand-hole visor.
10. reactor according to claim 1, is characterized in that: described high light heat exchanger tube surface finish precision is 0.16 micron grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510957786.0A CN105381778A (en) | 2015-12-18 | 2015-12-18 | Reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510957786.0A CN105381778A (en) | 2015-12-18 | 2015-12-18 | Reaction kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105381778A true CN105381778A (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510957786.0A Pending CN105381778A (en) | 2015-12-18 | 2015-12-18 | Reaction kettle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263242A (en) * | 2017-07-10 | 2017-10-20 | 王丽倩 | Weld seam processing technology and the plant equipment with weld seam |
| CN111495292A (en) * | 2020-04-10 | 2020-08-07 | 胡杰 | Raw material heating device for chemical production |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000054877A2 (en) * | 1999-03-16 | 2000-09-21 | Basf Aktiengesellschaft | Multi-tube fixed-bed reactor, especially for catalytic gas phase reactions |
| CN2562864Y (en) * | 2002-07-05 | 2003-07-30 | 中国石化集团巴陵石油化工有限责任公司 | Polymerization still |
| CN102641713A (en) * | 2012-04-18 | 2012-08-22 | 南京斯迈柯特种金属装备股份有限公司 | Straight pipe heat exchange type efficient polymerization reactor |
| CN202530012U (en) * | 2012-03-28 | 2012-11-14 | 中国石油化工股份有限公司 | Polymerization reactor |
| CN205199513U (en) * | 2015-12-18 | 2016-05-04 | 张家港市江南锅炉压力容器有限公司 | Reaction kettle |
-
2015
- 2015-12-18 CN CN201510957786.0A patent/CN105381778A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000054877A2 (en) * | 1999-03-16 | 2000-09-21 | Basf Aktiengesellschaft | Multi-tube fixed-bed reactor, especially for catalytic gas phase reactions |
| CN2562864Y (en) * | 2002-07-05 | 2003-07-30 | 中国石化集团巴陵石油化工有限责任公司 | Polymerization still |
| CN202530012U (en) * | 2012-03-28 | 2012-11-14 | 中国石油化工股份有限公司 | Polymerization reactor |
| CN102641713A (en) * | 2012-04-18 | 2012-08-22 | 南京斯迈柯特种金属装备股份有限公司 | Straight pipe heat exchange type efficient polymerization reactor |
| CN205199513U (en) * | 2015-12-18 | 2016-05-04 | 张家港市江南锅炉压力容器有限公司 | Reaction kettle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263242A (en) * | 2017-07-10 | 2017-10-20 | 王丽倩 | Weld seam processing technology and the plant equipment with weld seam |
| CN111495292A (en) * | 2020-04-10 | 2020-08-07 | 胡杰 | Raw material heating device for chemical production |
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Application publication date: 20160309 |