CN109966998A - A kind of novel pipe reactor - Google Patents
A kind of novel pipe reactor Download PDFInfo
- Publication number
- CN109966998A CN109966998A CN201910314214.9A CN201910314214A CN109966998A CN 109966998 A CN109966998 A CN 109966998A CN 201910314214 A CN201910314214 A CN 201910314214A CN 109966998 A CN109966998 A CN 109966998A
- Authority
- CN
- China
- Prior art keywords
- inner tube
- tube
- raw material
- pipe
- pipe fitting
- 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.)
- Granted
Links
- 239000002994 raw material Substances 0.000 claims abstract description 35
- 239000003054 catalyst Substances 0.000 claims description 10
- 229920006395 saturated elastomer Polymers 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 36
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 8
- 239000012528 membrane Substances 0.000 description 7
- 238000006277 sulfonation reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000012071 phase Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/008—Details of the reactor or of the particulate material; Processes to increase or to retard the rate of reaction
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/06—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
- B01J8/065—Feeding reactive fluids
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/06—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
- B01J8/067—Heating or cooling the reactor
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00256—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles in a heat exchanger for the heat exchange medium separate from the reactor
Abstract
The invention discloses a kind of novel pipe reactors, including inner tube, inlet cap, outlet end cap, outer tube and hollow pipe fitting, said inner tube is co-axially located at outer tube, a hollow pipe fitting is respectively equipped with above and below outer tube, hollow pipe fitting is connected to outer tube, inner tube both ends are passed through from hollow pipe fitting and its bottom and inlet cap perforation, top and the outlet end cap penetrate through, a raw material inlet pipe is coaxially provided with below inner tube, raw material inlet pipe passes through inlet cap and protrudes into inner tube.React using novel pipe reactor disclosed by the invention can be such that raw material uniformly mixes in reaction tube in the case where being not provided with agitating device and sufficiently react;The heat transfer rate of the device is fast, and absorbable inner and outer tubes thermal expansion difference, and it is abnormal to adapt to reaction tube temperature;It is applicable in reaction pressure and temperature range is wider.
Description
Technical field
The present invention relates to chemical reaction device fields, more particularly to a kind of novel pipe reactor.
Background technique
Chemical reaction is divided into the endothermic reaction and exothermic reaction.To exothermic reaction, need quickly to remove the heat that reaction generates
Amount, reduces the generation of side reaction, reduces the possibility of catalyst failure.For the endothermic reaction, stable amount of heat is needed, is kept
The conversion ratio and selectivity of reaction.
The equipment for realizing chemical reaction is known as reactor, and can be divided into according to equipment structural characteristics: tank reactor, tubular type are anti-
Answer device, tower reactor and injection-type reactor.Wherein tubular reactor mainly include shell-and-tube reactor, double tube reactor,
Micro- siphunculus reactor and tubular membranes sulfonation reactor.
Shell and tube reactor is improved to obtain by fixed tube-sheet exchanger, by fixed tube-sheet exchanger vertical, filling
Or do not load catalysis.Single or mixed component raw material is reacted by tubulation, rapid reaction release heat by tubulation outside
Medium transfer.This tubular reactor is in existing commercial plant using relatively universal.But fixed tube sheet shell-and-tube reactor exists
Several disadvantages:
If a) reaction raw materials are liquid or gas, must complete to mix outside shell and tube reactor;
B) it under conditions of the existing gas phase of reaction raw materials has liquid phase again, needs that film-forming head is arranged in tubulation upper end;
C) reaction carries out in tubulation, and the tube wall temperature of tubulation along its length is higher than wall temperature, and therefore, tubulation and shell exist
Thermal expansion amount on length direction is inconsistent, it may be necessary to expansion joint be arranged on shell to solve the intensity of equipment and safety and ask
Topic;
4. due to reasons in structure, suitable for the commercial plant of less demanding to reaction pressure and reaction temperature.
Double tube reactor is improved to obtain by double pipe heat exchanger.Single or mixed component raw material passes through interior tube reaction.
Outer tube and inner tube react the heat of institute's quick release through the medium in ring section using end plate welded closure formation ring section
There is following defect in the process of running in transfer, the reactor:
A) reaction carries out in inner tube, and the heat for reacting generation makes the tube wall temperature of inner tube in the longitudinal direction be higher than outer tube,
In the presence of needing the outer tube pipe laying compensator a possibility that;
B) inner tube is hollow tube, it is difficult to meet the mixed uniformly requirement of raw material;
C) due to b), inner tube diameter is usually no more than 20mm;
D) due to b) and c), double tube reactor is difficult to industrialization amplification, seldom sees commercial plant, is generally used for
Experimental study.
Micro passage reaction is one kind of tubular reactor, reaction tube diameter very little, and reaction tube is placed on water-bath or oil bath
In.Single or mixed component raw material is in control required product by reaction, reacts the heat of release by water-bath or oil bath
Transfer.Microreactor is common in R&D units, seldom sees commercial plant, and reaction tube caliber is small, is not able to satisfy industry
Production needs.
Tubular membranes sulfonation reactor sees process for sulfonation, has monofilm formula, dual-membrane type, three kinds of shell and tube, wherein dual-membrane type
Sulfonation reactor is most commonly used one kind.The major defect in use of tubular membranes sulfonation reactor are as follows:
A) shell and tube film reactor need to add film forming device in reaction tube pipe end, so that liquid charging stock is formed a film, while making phase feed
Into in reaction tube;
B) monofilm formula and dual-membrane type are using excessive protection gas promotion liquid film forming, and film forming thickness is not easily controlled, excess air
It needs with fashionable using blower, the big consumption of electric energy;
C) monofilm formula and dual-membrane type are using excessive protection gas promotion liquid film forming, and tube length of reaction tube is longer, and operating condition is small,
Process conditions are stringent, are not suitable for frequent driving and parking, and structure is complicated, and equipment processing and installation accuracy require height, and investment cost is big.
Summary of the invention
In view of the above problems, the present invention is intended to provide a kind of novel pipe reactor, structure is simple, operation is steady
Fixed, high reliablity maintains easily.
To achieve the goals above, the technical solution adopted in the present invention is as follows: a kind of novel pipe reactor, including interior
Pipe, inlet cap, outlet end cap, outer tube and hollow pipe fitting, said inner tube are co-axially located at outer tube, outer tube top and
Be respectively arranged below with a hollow pipe fitting, the preferred oblate pipe of hollow pipe fitting, hollow pipe fitting is connected to outer tube, inner tube both ends from
It is passed through in hollow pipe fitting and its bottom and inlet cap perforation, top and the outlet end cap penetrates through, it is same below inner tube
Axis is equipped with a raw material inlet pipe, and raw material inlet pipe passes through inlet cap and protrudes into inner tube.
Further, heat-transfer material enters what outer tube was enclosed with inner tube from the opening on a wherein hollow pipe fitting
In space, and flowed out from the opening on an other hollow pipe fitting.
Further, the heat-transfer material includes cooling water, saturated water, fused salt and conduction oil etc., preferably, heat turns
It moves medium and selects saturated water.
Further, it is located at one end in inner tube equipped with nozzle in raw material inlet pipe.
Further, pipe-line mixer promotion heat transfer and mass transfer are equipped in internal tube and positioned at the top of raw material inlet pipe.
Further, catalyst is loaded in inner tube, outlet end cap is a kind of structure of flanged joint, is arranged one in inner tube
Perhaps orifice plate catalyst is packed on silk screen or orifice plate silk screen from outlet end cap.
The beneficial effects of the present invention are:
1. raw material can be made in the case where being not provided with agitating device by carrying out reaction using novel pipe reactor disclosed by the invention
It uniformly mixes in reaction tube and sufficiently reacts;
2. for exothermic reaction institute quick release heat as medium fast transfer outside pipe, for heat needed for the endothermic reaction
It is quickly transferred into pipe by medium outside pipe;
3. absorbing inner and outer tubes thermal expansion difference under the premise of being not provided with expansion joint, it is abnormal to adapt to reaction tube temperature;
4. applicable reaction pressure and temperature range are wider.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of novel pipe reactor disclosed in the embodiment of the present invention one;
Fig. 2 is a kind of structural schematic diagram of novel pipe reactor disclosed in the embodiment of the present invention two.
Wherein, 1- inner tube, 2- inlet cap, 3- outlet end cap, 4- outer tube, 5- hollow pipe fitting, 6- raw material inlet pipe, 7- pipeline
Mixer, 8- catalyst.
Specific embodiment
In order to make those skilled in the art be better understood on technical solution of the present invention, 1- with reference to the accompanying drawing
2 and embodiment technical solution of the present invention is further described.
It should be noted that embodiment provided by the present invention is merely to this carries out effectively the technical characteristic of invention
Illustrate, the left side, right side, upper end, lower end etc. position word merely to preferably being described to the embodiment of the present invention, no
It can regard the limitation to technical solution of the present invention as.
Embodiment one
The present invention provides a kind of novel pipe reactor, including 3, an inner tube 1, inlet cap 2, outlet end cap outer tubes 4
With two hollow pipe fittings 5, said inner tube 1 is co-axially located inside outer tube 4, and one is respectively equipped with above and below outer tube 4
The hollow pipe fitting 5, hollow pipe fitting 5 are connected to outer tube, and 1 both ends of inner tube are passed through from hollow pipe fitting 5 and its bottom and institute
2 internal run-through of inlet cap, top and 3 internal run-through of outlet end cap are stated, it is direct boiling that saturated water, which is after absorbing heat,
As steam, so the sky that saturated water need to enter outer tube 4 from the opening on the hollow pipe fitting 5 of bottom and inner tube 1 is enclosed
In, and from the opening outflow on the hollow pipe fitting at top 5, (in claim and Summary is because heat transfer is situated between
Matter is not specific to a kind of substance, so writing according to entering another from one and coming out, because specifically noting in embodiment
What is selected is that saturated water goes out from bottom into top so directly having been write exactly according to your explanation and made corresponding modification to attached drawing,
Wishing that you check) direction shown in arrow is saturated water flow direction in Fig. 1.An original is coaxially provided with below inner tube 1
Expect that inlet pipe 6, raw material inlet pipe 6 pass through inlet cap 2 and protrude into inner tube, is located at one end in inner tube 1 in raw material inlet pipe 6 and is equipped with spray
Mouth.
Top inside inner tube 1 and positioned at raw material inlet pipe 6 is equipped with the pipe-line mixer 7 for promoting mass transfer and heat transfer, inside
Catalyst 8 is loaded in pipe 1, outlet end cap 3 is the structure of flanged joint, and a silk screen or orifice plate, catalyst 8 are arranged in inner tube 1
It is packed on silk screen or orifice plate from outlet end cap 3.
In use, raw material A enters inner tube from inlet cap 2, raw material B enters inner tube, raw material A and raw material B from raw material inlet pipe 6
It can be single substance, be also possible to mixture, phase can be that gaseous state can also be liquid.Raw material inlet pipe 6 has dispersion liquid
The function of body or gas, by nozzle nozzle can make by liquid and/gas is evenly distributed on the section of inner tube 1, not
Strengthen the mixing efficiency with raw material A in the case where adding agitating device, if it is necessary, the caliber of raw material inlet pipe 6 can be made to increase simultaneously
Pipe range is lengthened, makes the liquid charging stock film-like in the space by being enclosed between raw material inlet pipe 6 and inner tube 1, after the reaction was completed instead
Answer product from 3 outflow reactor of outlet end cap.
Embodiment two
A kind of novel pipe reactor disclosed in the present embodiment is with embodiment one the difference is that being to be reacted in it by multiple
Device is arranged in parallel, and specifically includes multiple outer tubes 4 being arranged in parallel, inner tube 1 corresponding with 4 quantity of outer tube, inlet cap 2, outlet
End cap 3 and two hollow pipe fittings 5 are coaxially disposed an inner tube 1 inside every outer tube 4, divide above and below outer tube 4
Not She You a hollow pipe fitting 5, be connected to inside hollow pipe fitting 5 and outer tube 4,1 both ends of inner tube passed through from hollow pipe fitting 5 and
Its bottom and 2 internal run-through of inlet cap, top and 3 internal run-through of outlet end cap, saturated water is from the hollow of bottom
In the space that pipe fitting 5 enters outer tube 4 and inner tube 1 is enclosed, and flowed out from the hollow pipe fitting at top 5.Below each inner tube 1
It is coaxially provided with a raw material inlet pipe 6, raw material inlet pipe 6 passes through inlet cap 2 and protrudes into inner tube, is located in inner tube 1 in raw material inlet pipe 6
One end be equipped with nozzle.
Top inside inner tube 1 and positioned at raw material inlet pipe 6 is equipped with the pipe-line mixer 7 for promoting mass transfer and heat transfer, inside
Catalyst is loaded in pipe 1, outlet end cap is the structure of flanged joint, a silk screen or orifice plate is arranged in inner tube 1, catalyst is from out
It is packed on silk screen or orifice plate in mouth end cap.
Basic principles and main features and advantage of the invention have been shown and described above.But the foregoing is merely this hairs
Bright specific embodiment, technical characteristic of the invention are not limited thereto, and any those skilled in the art is not departing from this hair
The other embodiments obtained under bright technical solution should all cover within the scope of the patent of the present invention.
Claims (7)
1. a kind of novel pipe reactor, which is characterized in that including inner tube (1), inlet cap (2), outlet end cap (3), outer tube
(4) it is co-axially located at outer tube (4) inside, is set respectively above and below outer tube (4) with hollow pipe fitting (5), said inner tube (1)
There is the hollow pipe fitting (5), is connected to inside hollow pipe fitting (5) and outer tube (4), inner tube (1) both ends are from hollow pipe fitting (5)
It passes through and its bottom and the inlet cap (2) perforation, top and the outlet end cap (3) penetrates through, it is coaxial below inner tube (1)
Equipped with a raw material inlet pipe (6), raw material inlet pipe (6) passes through inlet cap (2) and protrudes into inner tube (1).
2. a kind of novel pipe reactor as described in claim 1, which is characterized in that heat-transfer material is hollow from wherein one
Opening on pipe fitting (5) enters in the space that outer tube (4) and inner tube (1) are enclosed, and from an other hollow pipe fitting (5)
Opening outflow.
3. a kind of novel pipe reactor as claimed in claim 2, which is characterized in that the heat-transfer material includes cooling
Water, saturated water, fused salt and conduction oil.
4. a kind of novel pipe reactor as claimed in claim 3, which is characterized in that be located at inner tube (1) in raw material inlet pipe (6)
Interior one end is equipped with nozzle.
5. a kind of novel pipe reactor as claimed in claim 4, which is characterized in that the heat-transfer material is saturated water.
6. a kind of novel pipe reactor as described in claim 1, which is characterized in that in inner tube (1) inside and be located at raw material
The top of inlet pipe (6) is equipped with pipe-line mixer.
7. a kind of novel pipe reactor as described in claim 1, which is characterized in that load catalyst (8) in inner tube, out
Mouthful end cap (3) is the structure of flanged joint, one silk screen of setting or orifice plate in inner tube (1), and catalyst (8) is from outlet end cap (3)
It is packed on silk screen or orifice plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910314214.9A CN109966998B (en) | 2019-04-18 | 2019-04-18 | Tubular reactor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910314214.9A CN109966998B (en) | 2019-04-18 | 2019-04-18 | Tubular reactor |
Publications (2)
Publication Number | Publication Date |
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CN109966998A true CN109966998A (en) | 2019-07-05 |
CN109966998B CN109966998B (en) | 2024-03-26 |
Family
ID=67085259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910314214.9A Active CN109966998B (en) | 2019-04-18 | 2019-04-18 | Tubular reactor |
Country Status (1)
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CN (1) | CN109966998B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111960971A (en) * | 2020-09-19 | 2020-11-20 | 寿光市荣晟新材料有限公司 | Production process and production equipment of 2-acrylamide-2-methylpropanesulfonic acid |
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---|---|---|---|---|
BE734892A (en) * | 1968-06-20 | 1969-12-22 | ||
US4865817A (en) * | 1987-03-02 | 1989-09-12 | University Of Waterloo | Gas reacting apparatus |
US5445801A (en) * | 1992-05-19 | 1995-08-29 | Meccaniche Moderne S.R.L. Chemical Plants Division | Multitube falling-film reactor |
CA2214751A1 (en) * | 1995-03-07 | 1996-09-12 | Shell Canada Limited | Feed nozzle assembly |
CN1183059A (en) * | 1995-03-28 | 1998-05-27 | 比格·达尔 | Multitube falling film reactor for the continuous mfg. of sulfonated and/or sulfated compounds |
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-
2019
- 2019-04-18 CN CN201910314214.9A patent/CN109966998B/en active Active
Patent Citations (10)
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BE734892A (en) * | 1968-06-20 | 1969-12-22 | ||
US4865817A (en) * | 1987-03-02 | 1989-09-12 | University Of Waterloo | Gas reacting apparatus |
US5445801A (en) * | 1992-05-19 | 1995-08-29 | Meccaniche Moderne S.R.L. Chemical Plants Division | Multitube falling-film reactor |
CA2214751A1 (en) * | 1995-03-07 | 1996-09-12 | Shell Canada Limited | Feed nozzle assembly |
CN1183059A (en) * | 1995-03-28 | 1998-05-27 | 比格·达尔 | Multitube falling film reactor for the continuous mfg. of sulfonated and/or sulfated compounds |
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Title |
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Cited By (1)
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CN111960971A (en) * | 2020-09-19 | 2020-11-20 | 寿光市荣晟新材料有限公司 | Production process and production equipment of 2-acrylamide-2-methylpropanesulfonic acid |
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