CN207493703U - A kind of biodiesel recirculation reactor - Google Patents
A kind of biodiesel recirculation reactor Download PDFInfo
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- CN207493703U CN207493703U CN201721306153.4U CN201721306153U CN207493703U CN 207493703 U CN207493703 U CN 207493703U CN 201721306153 U CN201721306153 U CN 201721306153U CN 207493703 U CN207493703 U CN 207493703U
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- biodiesel
- fixed disk
- reactor body
- circulation fluid
- liquid
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Abstract
The utility model provides a kind of biodiesel recirculation reactor, and including reactor body, the top fixed setting screw of reactor body, top opens up circulation fluid outlet, and the fixed disk of middle part setting, bottom opens up circulation fluid entrance.Circulation fluid is exported to be connected between circulation fluid entrance by circulation line, and circulating pump is set on circulation line；The bottom setting injection apparatus of reactor body, injection apparatus include the Venturi nozzle being connect with the end of circulation fluid entrance, the mixer being arranged on outside Venturi nozzle, and the both sides of mixer are symmetrical arranged suction line, and top is fixedly connected with the bottom of fixed disk；The centre of fixed disk has apparatus for redistributing, several liquid drop down hole are opened up on fixed disk；If screw includes dry plate flight.The utility model can ensure being uniformly mixed for reaction system, significantly improve the mixability of reaction system, effectively increase reaction rate and conversion ratio, shorten the reaction time, and reduce energy consumption.
Description
Technical field
The utility model belongs to biodiesel Preparation equipment field, in particular, being to be related to a kind of biodiesel cycle instead
Answer device.
Background technology
Biodiesel is clean regenerative resource, oily with the oil crops such as soybean and rapeseed, oil palm or Chinese pistache etc.
It is raw material to expect the water plants and animal oil, kitchen waste oil etc. such as forest fruit, engineering algae, through esterification, ester exchange reaction system
.Biodiesel is non-toxic, and degradability is up to 98%, and degradation rate is 2 times of ordinary petroleum diesel oil, has good environmental protection spy
Property；Its Cetane number is high, has the good capability of antidetonance；Its physical property and petrifaction diesel are very close, therefore are good
Petrifaction diesel substitute.
In the prior art, using high acid value feedstock oil (gutter oil, kitchen waste oil etc.) prepare biodiesel frequently with acid-
Alkali two-step method carries out esterification -ester exchange reaction by bronsted lowry acids and bases bronsted lowry catalysis respectively.For traditional liquid phase Acid-Base two-step method work
Skill, grease and methanol are divided into two-phase in primary stage for reacting and immiscible, cause reaction rate slower, extend total
Reaction time.
In addition, prior art generally use stirred-tank reactor, is stirred by stirring slurry, such agitating mode
It is uneven there are mass transfer, the defects of conversion ratio is low, and the reaction time is long, and blender passes through motor drive, stirs high energy consumption.
Therefore, it is necessary to existing biodiesel reactor is improved.
Utility model content
The purpose of this utility model is to provide a kind of biodiesel recirculation reactor, can, ensure the mixed of reaction system
The mixability for uniformly, improving reaction system is closed, improves reaction rate and conversion ratio, shortens the reaction time, and reduces energy consumption.
To achieve the above object, the utility model uses following technical scheme：
A kind of biodiesel recirculation reactor, including reactor body, the top fixed setting spiral shell of the reactor body
Cyclone, top open up circulation fluid outlet, the fixed disk of middle part setting, and bottom opens up circulation fluid entrance, the circulation fluid outlet and
It is connected between circulation fluid entrance by circulation line, circulating pump is set on the circulation line；
The bottom setting injection apparatus of the reactor body, the injection apparatus include the end with the circulation fluid entrance
The Venturi nozzle of connection is held, the mixer being arranged on outside the Venturi nozzle, the both sides of the mixer are symmetrical arranged
Suction line, top are fixedly connected with the bottom of the fixed disk；
The centre of the fixed disk has the apparatus for redistributing passed through for liquid, close to the institute of the reactor body inner wall
It states and several liquid drop down hole is opened up on fixed disk；
If the screw includes dry plate flight.
According to the utility model, the mixer includes the liquid input section, mixing section and the expanding reach that connect successively；The sucking
Pipe is symmetricly set on the both sides of the liquid input section, and the mixing section is cylinder, and the expanding reach is tubaeform.
According to the utility model, the bottom of the suction line opens up several the first inlet holes, the middle part of the mixing section
Open up several the second inlet holes.
According to the utility model, the top of the Venturi nozzle and the tube hub of the suction line are contour.
According to the utility model, the top of the reactor body is cylinder, and lower part is conical, the injection apparatus
It is arranged in the cone of lower part.
According to the utility model, the screw is arranged on the center of top of the reactor body.
According to the utility model, the screw further includes fixed link, and the flight cross-fixing is in the fixation
On bar.
According to the utility model, there are four the liquid drop down hole on the fixed disk, four liquid drop down hole
Size is identical, is arcuate socket, and the apparatus for redistributing is fixedly mounted in the middle part circular hole of the fixed disk.
According to the utility model, cylindrical baffle is fixedly installed on the fixed disk of the apparatus for redistributing periphery,
Liquid level in the reactor body is higher than the top of the baffle.
According to the utility model, static mixer is set on the circulation line.
Compared with prior art, the utility model has following advantageous effects：
The biodiesel recirculation reactor of the utility model, by cycle and injection apparatus, the spiral shell inside binding reactor
The structures such as cyclone ensure being uniformly mixed for reaction system, significantly improve the mixability of reaction system, effectively increase anti-
Rate and conversion ratio are answered, shortens the reaction time, and reduce energy consumption.
Description of the drawings
Fig. 1 is the structure diagram of one embodiment of the utility model.
Fig. 2 is the partial enlarged view of part A in Fig. 1.
Fig. 3 is the vertical view that disk is fixed in Fig. 1.
Fig. 4 is the structure diagram of second embodiment of the utility model.
Fig. 5 is the structure diagram of the third embodiment of the utility model.
In figure：1- reactor bodies, 2- injection apparatus, 11- screws, the outlet of 12- circulation fluids, 13- fix disk, 14-
Circulation fluid entrance, 15- circulation lines, 16- circulating pumps, 17- baffles, 18- methanol-sulfuric acid or methanol-alkali feed pipe, 19- oil phases
Under feed pipe, 110- discharge nozzles, 21- Venturi nozzles, 22- mixers, 23- suction lines, 131- apparatus for redistributing, 132- liquid
Drop hole, 111- flights, 112- fixing axles, 221- liquid input sections, 222- mixing sections, 223- expanding reach, the first inlet holes of 231-,
The second inlet holes of 224-, 120- static mixers.
Specific embodiment
The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings.
One embodiment according to the present utility model, as shown in Figure 1 to Figure 3, the biodiesel cycle of the utility model
Reactor, including reactor body 1, the top fixed setting screw 11 of the reactor body 1, top opens up circulation fluid
Outlet 12, the fixed disk 13 of middle part setting, bottom open up circulation fluid entrance 14, the circulation fluid outlet 12 and circulation fluid entrance 14 it
Between connected by circulation line 15, on the circulation line 15 set circulating pump 16.
The bottom setting injection apparatus 2 of the reactor body 1, the injection apparatus 2 include and the circulation fluid entrance
The Venturi nozzle 21 of 14 end connection, the mixer 22 being fixed at outside the Venturi nozzle 21, the mixing
The both sides of device 22 are symmetrical arranged suction line 23, and the top of the mixer 22 is fixedly connected with the bottom of the fixed disk 13.
The biodiesel recirculation reactor of the utility model, before reaction, methanol, oil reservoir (feedstock oil or esterification in raw material
Oil) it is layered, methanol layer is located at the bottom of reactor body, and oil reservoir is located at the top of methanol layer.Open the circulation pump, oil reservoir is from cycle
Liquid outlet 12 is extracted, then is sprayed upwards from circulation fluid entrance 14 by injection apparatus 2, and the methanol in methanol layer is from mixer 22
The suction line 23 of both sides is inhaled into the mixer 22 of injection apparatus 2, quick washing, with oil reservoir mixed once, forms mixing
Liquid.
The centre of the fixed disk 13 has the apparatus for redistributing 131 passed through for mixing liquid, close to the reactor sheet
Several liquid drop down hole 132 are opened up on the fixed disk 13 of 1 inner wall of body.
The screw 11 can be any structure with flight 111 of the prior art, such as：Screw type
Axis or the screw 11 include smooth fixing axle 112, if dry plate of the cross-fixing in the fixing axle 112
Flight 111.
Mixing liquid passes through apparatus for redistributing 131, carries out secondary mixing, is further moved into reactor upwards after dispersion
The top of ontology 1；For mixing liquid during moving upwards, lighter oil phase fast upward motion is eventually collected in reaction
The top layer of system, heavier methanol mutually gradually slow down.Oil phase and methanol phase collide the spiral during moving upwards
The flight 111 of device 11, causes the direction of motion to change, and so as to mix three times, further disperses, so as to fulfill good anti-
It should.
The biodiesel recirculation reactor of the utility model, by cycle and injection apparatus, with reference to apparatus for redistributing and instead
The structures such as the screw inside device are answered to ensure being uniformly mixed for reaction system, significantly improve the mixing journey of reaction system
Degree effectively increases reaction rate and conversion ratio, shortens the reaction time, and reduce energy consumption.
As shown in Fig. 2, according to the utility model, the mixer 22 includes the liquid input section 221, the mixing section that connect successively
222 and expanding reach 223；The suction line 23 is symmetricly set on the both sides of the liquid input section 221, and the mixing section 222 is cylinder
Shape, the expanding reach 223 are tubaeform.
Oil phase sprays at a high speed from Venturi nozzle 21, liquid input section 221 generate negative pressure, methanol mutually from suction line 23 quickly into
Enter liquid input section 221, mixed with oil phase in mixing section 222, then by expanding reach 223.
According to the utility model, the bottom of the suction line 23 opens up several the first inlet holes 231, the mixing section
222 middle part opens up several the second inlet holes 224.
Inhalable methanol phase in first inlet hole, 231 and second inlet hole 224 so that mixing is more uniform.
According to the utility model, the top of the Venturi nozzle 21 and the tube hub of the suction line 23 are contour.It can
Ensure good inhalant effect, so as to ensure the mixed effect of recirculation reactor.
As shown in Figure 1, according to the utility model, the top of the reactor body 1 is cylinder, and lower part is cone,
The injection apparatus 2 is arranged in the cone of lower part.
According to the utility model, the screw 11 is arranged on the center of top of the reactor body 1.Be conducive to mix
It closes, reduces back-mixing.
According to the utility model, the Venturi nozzle 21 is connect with the end thread of the circulation fluid entrance 14.
According to the utility model, the Venturi nozzle 21 is conical nozzle.Be conducive to mix, reduce back-mixing.
According to the utility model, there are four the liquid drop down hole 132 on the fixed disk 13, under four liquid
It is identical to drop 132 size of hole, is arcuate socket.The apparatus for redistributing 131 is fixedly mounted on the middle part circular hole of the fixed disk 13
In.
As shown in figure 3, according to the utility model, the fixed disk 13 is disk, is fixed at the reactor body 1
Inside, the outer rim of the fixed disk 13 are fixedly connected with the inner wall of the reactor body 1.
As shown in Figure 1, according to the utility model, the top of the reactor body 1 sets methanol-sulfuric acid or first respectively
Alcohol-alkali feed pipe 18 and oil phase feed pipe 19, the bottom side of the reactor body 1 have discharge nozzle 110.
The circulation fluid entrance 14 may also be arranged on the bottom side of the reactor body 1, and in the reactor sheet
The bottom setting discharge nozzle 110 of body 1.
According to the utility model, valve is provided on the circulation line 15, valve is provided on the discharge nozzle 110.
As shown in Figures 2 and 4, second embodiment according to the present utility model, 131 periphery of apparatus for redistributing it is described
It fixes and cylindrical baffle 17 is fixedly installed on disk 13, the liquid level in the reactor body 1 is higher than the baffle 17
Top.
Mixed liquor is limited in the range of the baffle 17, and is further disperseed by the screw 11 in it, mixing
Degree improves.In addition, the heavier methanol in part mutually declines between the baffle 17 and the inner wall of the reactor body 1, wear
The liquid drop down hole 132 is crossed, into the bottom of the reactor body 1, can be sucked again from suction line 23 into mixer 22,
Cycle carries out hybrid reaction.Therefore, mixing effect is significantly improved, and back-mixing degree is low, further improves reactant
The mixability of system, improves reaction rate and conversion ratio, shortens the reaction time, and reduce energy consumption.
According to the utility model, the baffle 17 can be cylindrical overall structure or several circular arc type knots
Structure.
As shown in figure 5, third embodiment according to the present utility model, implements in above-mentioned one embodiment or second
On the basis of example, static mixer 120 is set on the circulation line 15.
Preferably, the static mixer 120 is arranged on the circulation line 15 that the outlet with circulating pump 16 is connected.
With reference to attached drawing, the application method of the utility model is as follows：
(1), before reacting, methanol, oil phase layering in raw material, methanol are mutually located at the bottom of reactor body, and oil phase is located at
The top of methanol layer.Open the circulation pump, oil reservoir is extracted from circulation fluid outlet 12, then passes through injection apparatus from circulation fluid entrance 14
2 spray upwards, and the suction line 23 of methanol from 22 both sides of mixer in methanol layer is inhaled into the mixer 22 into injection apparatus 2
Interior, quick washing with oil reservoir mixed once, forms mixing liquid.
(2), mixing liquid passes through apparatus for redistributing 131, carries out secondary mixing, is further moved into upwards after dispersion anti-
Answer the top of device ontology 1.
(3), for mixing liquid during moving upwards, lighter oil phase fast upward motion is eventually collected in reaction
The top layer of system, heavier methanol mutually gradually slow down.Oil phase and methanol phase collide the spiral during moving upwards
The flight 111 of device 11, causes the direction of motion to change, and so as to mix three times, further disperses, so as to fulfill good anti-
It should.
Specific embodiment of the utility model is described in detail above, but it is only used as example, the utility model
It is not restricted to particular embodiments described above.To those skilled in the art, it is any that the practicality is equal
Modifications and substitutions are also all among the scope of the utility model.Therefore, the institute under the spirit and scope for not departing from the utility model
The impartial conversion of work and modification should all be covered in the scope of the utility model.
Claims (10)
1. a kind of biodiesel recirculation reactor, which is characterized in that including reactor body, the top of the reactor body is consolidated
Screw is set surely, and top opens up circulation fluid outlet, and the fixed disk of middle part setting, bottom opens up circulation fluid entrance, the cycle
Liquid is exported to be connected between circulation fluid entrance by circulation line, and circulating pump is set on the circulation line；
The bottom setting injection apparatus of the reactor body, the injection apparatus include connecting with the end of the circulation fluid entrance
The Venturi nozzle connect, the mixer being arranged on outside the Venturi nozzle, the both sides of the mixer are symmetrical arranged sucking
Pipe, top is fixedly connected with the bottom of the fixed disk；
The centre of the fixed disk has the apparatus for redistributing passed through for liquid, close to the described solid of the reactor body inner wall
Several liquid drop down hole are opened up on price fixing；
If the screw includes dry plate flight.
2. biodiesel recirculation reactor according to claim 1, which is characterized in that the mixer includes connecting successively
Liquid input section, mixing section and expanding reach；The suction line is symmetricly set on the both sides of the liquid input section, and the mixing section is cylinder
Shape, the expanding reach are tubaeform.
3. biodiesel recirculation reactor according to claim 2, which is characterized in that if the bottom of the suction line opens up
First inlet hole is done, several the second inlet holes are opened up in the middle part of the mixing section.
4. biodiesel recirculation reactor according to claim 1, which is characterized in that the top of the Venturi nozzle with
The tube hub of the suction line is contour.
5. biodiesel recirculation reactor according to claim 1, which is characterized in that the top of the reactor body is
Cylinder, lower part are cone, and the injection apparatus is arranged in the cone of lower part.
6. biodiesel recirculation reactor according to claim 1, which is characterized in that the screw is arranged on described
The center of top of reactor body.
7. biodiesel recirculation reactor according to claim 1, which is characterized in that the screw further includes fixation
Bar, the flight cross-fixing is in the fixed link.
8. biodiesel recirculation reactor according to claim 1, which is characterized in that the liquid on the fixed disk
There are four drop down hole, and four liquid drop down hole sizes are identical, are arcuate socket, the apparatus for redistributing is fixedly mounted on institute
In the middle part circular hole for stating fixed disk.
9. the biodiesel recirculation reactor according to any one of claim 1-8, which is characterized in that the redistribution dress
It puts and cylindrical baffle is fixedly installed on the fixed disk of periphery, the liquid level in the reactor body is higher than the gear
The top of plate.
10. biodiesel recirculation reactor according to claim 9, which is characterized in that set on the circulation line quiet
State mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721306153.4U CN207493703U (en) | 2017-10-11 | 2017-10-11 | A kind of biodiesel recirculation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721306153.4U CN207493703U (en) | 2017-10-11 | 2017-10-11 | A kind of biodiesel recirculation reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207493703U true CN207493703U (en) | 2018-06-15 |
Family
ID=62499989
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721306153.4U Active CN207493703U (en) | 2017-10-11 | 2017-10-11 | A kind of biodiesel recirculation reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207493703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742335A (en) * | 2021-03-03 | 2021-05-04 | 中核能源科技有限公司 | Premixing reaction device |
-
2017
- 2017-10-11 CN CN201721306153.4U patent/CN207493703U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742335A (en) * | 2021-03-03 | 2021-05-04 | 中核能源科技有限公司 | Premixing reaction device |
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