CN207667658U - Magnesia high-temperature reactor - Google Patents
Magnesia high-temperature reactor Download PDFInfo
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- CN207667658U CN207667658U CN201721734385.XU CN201721734385U CN207667658U CN 207667658 U CN207667658 U CN 207667658U CN 201721734385 U CN201721734385 U CN 201721734385U CN 207667658 U CN207667658 U CN 207667658U
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Abstract
The utility model is related to be alkylated spent acid process field, especially a kind of magnesia high-temperature reactor.Including shell, ribbon auger, an axis auger and two axis augers, ribbon auger, an axis auger and two axis augers are arranged in shell, ribbon auger, an axis auger and two axis augers are set in parallel, a wherein axis auger and two axis augers are located at same level, gap is equipped between one axis auger and two axis augers in an axial direction, ribbon auger is located at the surface in the gap；The one axis auger and two axis augers include screw-conveyer-shaft, the end of screw-conveyer-shaft and housing hinge, in the outer surface of screw-conveyer-shaft, it is axially arranged with several scraper plates along screw-conveyer-shaft, several scraper plates are arranged in interval on the same outer circumference surface of screw-conveyer-shaft, one end of scraper plate is fixedly connected with screw-conveyer-shaft, and the other end is fixed with scraper.Its is simple in structure, easy to operate, so that magnesium oxide powder is fully reacted with alkylation spent acid, and prevent magnesium oxide powder wall built-up, improves magnesium oxide powder and the reaction effect for being alkylated spent acid.
Description
Technical field
The utility model is related to be alkylated spent acid process field, especially a kind of magnesia high-temperature reactor.
Background technology
Currently, the atmosphere pollution situation very severe in China, with pellet (PM10), fine particle (PM2.5)
The regional atmospheric environment problem for being characterized pollutant becomes increasingly conspicuous.In May, 2015, National Development and Reform Committee, the Ministry of Finance, environmental protection
Seven department such as portion, which combines, to print and distribute《Accelerate product oil quality upgrading programme of work》, the main target of scheme determines January 1 in 2017
Automobile-used vapour, the diesel oil of state of enforcement V standards in China a few days ago.Comprehensive upgrading work of petrol and diesel oil has been very urgent, this
It requires oil refining enterprise to accelerate upgrading paces, improves clear gusoline production and deliverability, complete quality liter comprehensively in advance
Grade task fulfils oil refining industry prevention and control of air pollution action target responsibility.Alkylation process is to make iso-butane and alkene in strong acid
Reaction generates alkylate oil under the action of catalyst, mainly organizes as C8 isoparaffins, alkylate oil octane number height, sensibility
Small, sulfur-bearing, aromatic hydrocarbons, alkene, do not have ideal volatility and clean flammability, are the ideals of aviation gasoline and motor petrol
Blend component.《Accelerate product oil quality upgrading programme of work》In, build the emphasis that alkyl plant is the following gasoline upgrading
One of direction.
Currently, China's oil plant mostly uses the sulfuric acid alkylation technique using the concentrated sulfuric acid as catalyst, 1t hydrocarbon is often produced
Carburetion will generate the alkylation spent acid of 80-100kg.It is alkylated spent acid abbreviation spent acid, is a kind of colloidal liquid that viscosity is larger,
Color and luster is in dark red, and property is unstable, distributes particularity stink, it is difficult to handle, serious pollution is brought to ecological environment.As directly
Discharge, will bring serious pollution to ecological environment.Therefore, can the development of sulfuric acid alkylation rationally handle close pass with spent acid
System.
Currently, there are two types of techniques for the waste sulfuric acid from alkylation processing of batch production.The first is cracking industrial sulphuric acid processed, the technique
Technology maturation, required fuel refinery can facilitate offer, more thoroughly to spent acid processing, the disadvantage is that：First, oil plant does not have sulphur
Acid treatment device need to increase mating sulfuric acid production plant using the technique, and the another long flow path, equipment is more, and control is complicated, disposably
Investment increases；Second, operating cost is high, and device consumes a large amount of fuel gas and electric power every year, and energy consumption is more, required catalyst valence
Lattice are expensive；Third, environmental protection pressure is big, and the sulfur dioxide concentration of this process route smoke stack emission is about 760mg/Nm3, such as meet dioxy
Change the concentration of emission limit value 400mg/Nm of amounts of sulphur contaminants3Prescribed requirement, it is necessary to it is newly-built it is a set of schedule to last purifier, as ammonia process is de-
Sulphur, alkali desulphurization etc., this just more increases the gross investment of device.
Second is to prepare magnesium sulfate, and magnesium sulfate is obtained by the reaction by spent acid and magnesia.This method can make full use of
It is alkylated spent acid, and do not can cause environmental pollution.But after the preparation method of magnesium sulfate is all magnesia and dilutes at present
The reaction of alkylation spent acid, therefore container of its reaction is generally reactive tank, due to the organic matter containing 10-30% in spent acid,
The principal monomer of organic matter is macromolecule alkene, alkadienes, polymer and alkyl sulfonic acid, sulfuric ester etc., in existing preparation method
Reaction process in alkylation spent acid be unable to get processing, therefore by containing organic matter in the magnesium sulfate of this method acquisition, lead
It causes to contain more impurity in finally obtained magnesium sulfate, purity is low.Therefore, need utility model one kind dedicated for alkyl at present
Change the reactor of spent acid reaction, and in the reactor, the middle organic matter of spent acid can also be handled.
Utility model content
Utility model aims to solve the above-mentioned problems in the prior art, it is proposed that a kind of magnesia high temperature
Reactor, it is simple in structure, it is easy to operate, so that magnesium oxide powder is fully reacted with alkylation spent acid, and prevent magnesia powder
Last wall built-up improves magnesium oxide powder and the reaction effect for being alkylated spent acid.
The technical solution of the utility model is：A kind of magnesia high-temperature reactor, including shell, further include ribbon auger,
One axis auger and two axis augers, ribbon auger, an axis auger and two axis augers are arranged in shell, and ribbon auger, an axis twist
Dragon and two axis augers are set in parallel, wherein an axis auger and two axis augers are located at same level, an axis auger and two axis twist
Gap is equipped between dragon in an axial direction, ribbon auger is located at the surface in the gap；
The one axis auger and two axis augers include screw-conveyer-shaft, the end of screw-conveyer-shaft and housing hinge, in screw-conveyer-shaft
Outer surface is axially arranged with several scraper plates along screw-conveyer-shaft, and several scraper plates are arranged in interval on the same outer circumference surface of screw-conveyer-shaft, scrape
One end of plate is fixedly connected with screw-conveyer-shaft, and the other end is fixed with scraper；The end of the ribbon auger and housing hinge；
The inside of the shell is closed cavity, and the top of shell is in semi-cylindrical, and the lower part of shell is two tangent
Semi-cylindrical, ribbon auger is located in the semi-cylindrical cavity of case top, and an axis flood dragon and two axis flood dragons are located at shell
In the two halves circular cylindrical cavity of body bottom, for the blade of scraper close to the bottom wall of shell, the top of shell is equipped with gas outlet and charging
Mouthful, the side wall of shell is equipped with spent acid inlet, and the bottom of shell is equipped with discharge valve.
In the utility model, the rotating speed of the ribbon auger, an axis auger and two axis augers is identical, ribbon auger and an axis
The rotation direction of auger is identical, and an axis auger is opposite with the rotation direction of two axis augers.The ribbon auger, an axis auger and two
The rotating speed of axis auger is 13-20 revs/min.
Several spent acid inlets are being equipped in the housing sidewall of an axis auger and two axis augers, spent acid inlet is along strand
The axially spaced-apart setting of dragon.Preferably, the spent acid inlet is arranged between ribbon auger and an axis auger and ribbon twists
In housing sidewall between dragon and two axis augers.
Further include motor and speed reducer, the output shaft of motor and the input axis connection of speed reducer, the output shaft of speed reducer with
It is connected by chain or belt transmission between ribbon auger, an axis auger and two axis augers.
The chain or belt are wrapped in the screw-conveyer-shaft of ribbon auger, the screw-conveyer-shaft of two axis augers and an axis auger successively
On screw-conveyer-shaft, wherein the inside in chain or belt is arranged in ribbon auger and an axis auger, and two axis augers are arranged in chain or skin
The outside of band.
Between the screw-conveyer-shaft axis of the ribbon auger, the screw-conveyer-shaft axis of an axis auger and the auger axis of two axis augers
Form equilateral triangle.
The beneficial effects of the utility model：
(1) by setting ribbon auger, an axis auger and two axis augers, the strong stirring of magnesium oxide powder is realized, and
In whipping process, realizes magnesium oxide powder and be alkylated fully reacting for spent acid；
(2) it in whipping process, by being in semi-cylindrical cavity by the upper and lower part setting of shell, realizes in shell
Being stirred without dead angle for portion's auger, prevents magnesium oxide powder wall built-up in shell, improves magnesium oxide powder and is alkylated spent acid
Reaction efficiency；
(3) in whipping process, magnesium oxide powder fully reacts and discharges a large amount of heat with alkylation spent acid, makes shell
It is interior to be in hot environment, under high temperature environment, the organic matter in spent acid is alkylated by high temperature cabonization, it is carbon to generate main component
Solid dregs after organic matter is handled, pass through the operations such as subsequent separation, crystallization, so that it may to obtain the higher magnesium sulfate of purity
Solid；
(4) simple in structure, it manufactures and easy to operate, it is at low cost.
Description of the drawings
Fig. 1 is the main structure diagram of the utility model；
Fig. 2 is the A-A direction views of Fig. 1.
In figure：1 exhaust outlet；2 ribbon augers；3 one axis augers；4 discharge valves；5 speed reducers；6 two axis augers；7 shells.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, magnesia high-temperature reactor described in the utility model includes shell 7, ribbon auger 2, one
Axis auger 3 and two axis augers 6, interior shell 7 is closed cavity, and ribbon auger 2, an axis auger 3 and two axis augers 6 are arranged at
In shell 7, the end of ribbon auger 2, an axis auger 3 and two axis augers 6 is hinged with shell 7.
As shown in Fig. 2, the top of shell 7 is semi-cylindrical cavity, the lower part of shell is two tangent semi-cylindrical chambers
Body, ribbon flood dragon 2 are arranged in the semi-cylindrical cavity of case top, and an axis auger 3 and two axis augers 6 are separately positioned on shell
In two semi-cylindrical cavitys of bottom.The bottom of two semi-cylindrical cavitys in the lower part of the housing is respectively equipped with discharge valve 4, instead
After answering, the material in reactor is drawn off out of discharge valve 4.The top of shell 7 is equipped with feed inlet and gas outlet 1, an axis
Auger 3 and the shell of the top of two axis auger 6 are equipped with spent acid inlet, and in the present embodiment, spent acid inlet is located at ribbon auger
And one between axis auger and on the side wall between ribbon auger and two axis augers, and the reaction of magnesium oxide powder and spent acid is made to send out
Life is at an axis auger and two axis augers.The shell of this kind of shape may be implemented auger and be stirred without dead angle in whipping process, i.e.,
Be put into magnesium oxide powder in shell by the rotation of above three auger can Stirring, even if there is magnesia
Magnesium oxide powder can also be scraped from inner wall, participated in the reaction of spent acid by powder wall built-up, improve the reaction effect of reactor
Rate.
It is arranged in parallel between ribbon auger 2, an axis auger 3 and two axis augers 6, axis auger 3 and two axis therein
Auger 4 is located at same level, between an axis auger 3 and two axis augers 6 be equipped with gap, ribbon auger 2 be located at gap just on
Side.Ribbon auger 2 includes screw-conveyer-shaft and the spiral helicine stirring blade being fixed on the outside of screw-conveyer-shaft, by the way that stirring blade is arranged,
The magnesium oxide powder airborne dust of shell will be put into, while being scraped off the magnesium oxide powder for hanging over upper part of the housing by stirring blade,
Prevent magnesium oxide powder in the accumulation of case top.The center of one axis auger 3 and two axis augers 6 is equipped with screw-conveyer-shaft, screw-conveyer-shaft
Outer surface be equipped with multiple scraper plates 8, scraper plate 8 is arranged along the axially spaced-apart of screw-conveyer-shaft, while along the same periphery of screw-conveyer-shaft
It is spaced and several scraper plates 8 is set, in the present embodiment, two scraper plates 8 are symmetrical arranged on the same periphery of screw-conveyer-shaft.Scraper plate 8
One end is fixedly connected with screw-conveyer-shaft, and the other end is fixed with scraper 9, bottom wall of the blade on scraper 9 close to shell.In injection spent acid
During, magnesium oxide powder will appear wall built-up after encountering waste acid liquor, by the way that scraper is arranged, will hang over the oxidation of inner walls
Magnesium dust is swept, and prevents magnesium oxide powder caused by magnesium oxide powder wall built-up in the accumulation of inner walls, while realizing oxygen
Change magnesium dust is fully reacted with spent acid.In the present embodiment, the screw-conveyer-shaft axis of ribbon auger 2, an axis auger 3 screw-conveyer-shaft axis
The screw-conveyer-shaft axis of line and two axis augers 6 forms equilateral triangle, this kind of structure type optimizes ribbon flood dragon, an axis twists
Structure setting between dragon 3 and two axis augers 6 is more convenient for stirring by magnesium oxide powder, and is stirred without dead angle.
The utility model further includes engine and speed reducer 5, the output shaft of engine and the input axis connection of speed reducer 5,
The output shaft of speed reducer is twisted by chain or belt with the screw-conveyer-shaft of ribbon auger 2, the screw-conveyer-shaft of an axis auger 3 and two axis
The screw-conveyer-shaft of dragon 6 is sequentially connected.In the present embodiment, as shown in Fig. 2, chain is wrapped in the screw-conveyer-shaft of ribbon auger 2, two axis successively
On the screw-conveyer-shaft of the screw-conveyer-shaft of auger 6 and an axis auger 3, while the auger of the screw-conveyer-shaft of ribbon auger 2 and an axis auger 3
Axis is arranged in the inside of chain, and the screw-conveyer-shaft of two axis augers 6 is arranged in the outside of chain, therefore ribbon auger 2 and an axis twist
The rotation direction of dragon 3 is identical, and an axis auger 3 is opposite with the rotation direction of two axis augers 6.The rotating speed of three augers is identical, and one
As be 13-20 revs/min.
The course of work of the utility model is as described below：First, make ribbon auger 2, an axis auger 3 and two axis in shell
Auger 6 rotates, and then during stirring, pours into 1 ton of magnesia powder into shell from the feed inlet of case top
End, ribbon auger 2, an axis auger 3 and two axis augers 6 carry out strong stirring to magnesium oxide powder, in whipping process, by useless
Sour inlet injects alkylation spent acid into shell, and the injection flow for being alkylated spent acid is 0.2-0.8m3/ h, in the process of injection
In, by the stirring of an axis auger 3 and two axis augers 6, so that alkylation spent acid and magnesium oxide powder is fully reacted, in reaction process
The a large amount of heat of release, makes entire reactor be in hot environment, can generally reach 300 DEG C or more, under high temperature environment, alkane
Organic matter in base spent acid generates the solid dregs that main matter is carbon by high temperature cabonization.When the injection rate of alkylation spent acid
Reach 2.2 ton hours, stop the injection of alkylation spent acid, the reaction in reactor terminates.After the substance in reactor is defeated
It send to subsequent processing processing, magnesium oxide powder is poured into reactor, the reaction of a new round is carried out.
Claims (8)
1. a kind of magnesia high-temperature reactor, including shell, it is characterised in that：Further include ribbon auger, an axis auger and two axis
Auger, ribbon auger, an axis auger and two axis augers are arranged in shell, and ribbon auger, an axis auger and two axis augers are in
It is arranged in parallel, wherein an axis auger and two axis augers are located at same level, is set in an axial direction between an axis auger and two axis augers
There are gap, ribbon auger to be located at the surface in the gap；
The one axis auger and two axis augers include screw-conveyer-shaft, the end of screw-conveyer-shaft and housing hinge, in the appearance of screw-conveyer-shaft
Face is axially arranged with several scraper plates along screw-conveyer-shaft, and several scraper plates are arranged in interval on the same outer circumference surface of screw-conveyer-shaft, scraper plate
One end is fixedly connected with screw-conveyer-shaft, and the other end is fixed with scraper；The end of the ribbon auger and housing hinge；
The inside of the shell is closed cavity, and the top of shell is in semi-cylindrical, and the lower part of shell is two tangent half
Cylinder, ribbon auger are located in the semi-cylindrical cavity of case top, and an axis flood dragon and two axis flood dragons are located at shell bottom
In the two halves circular cylindrical cavity in portion, for the blade of scraper close to the bottom wall of shell, the top of shell is equipped with gas outlet and feed inlet, shell
The side wall of body is equipped with spent acid inlet, and the bottom of shell is equipped with discharge valve.
2. magnesia high-temperature reactor according to claim 1, it is characterised in that:The ribbon auger, an axis auger and
The rotating speed of two axis augers is identical, and ribbon auger is identical as the rotation direction of an axis auger, the rotation of an axis auger and two axis augers
Direction is opposite.
3. magnesia high-temperature reactor according to claim 2, it is characterised in that:The ribbon auger, an axis auger and
The rotating speed of two axis augers is 13-20 revs/min.
4. magnesia high-temperature reactor according to claim 1, it is characterised in that:Close to an axis auger and two axis augers
Housing sidewall be equipped with several spent acid inlets, spent acid inlet along auger axially spaced-apart be arranged.
5. magnesia high-temperature reactor according to claim 1, it is characterised in that:Further include motor and speed reducer, motor
Output shaft and speed reducer input axis connection, between the output shaft and ribbon auger of speed reducer, an axis auger and two axis augers
It is connected by chain or belt transmission.
6. magnesia high-temperature reactor according to claim 5, it is characterised in that:The chain or belt are wrapped in successively
On the screw-conveyer-shaft of the screw-conveyer-shaft of ribbon auger, the screw-conveyer-shaft of two axis augers and an axis auger, wherein ribbon auger and an axis auger
Inside in chain or belt is set, and the outside in chain or belt is arranged in two axis augers.
7. magnesia high-temperature reactor according to claim 1, it is characterised in that:The screw-conveyer-shaft axis of the ribbon auger
Equilateral triangle is formed between line, the screw-conveyer-shaft axis of an axis auger and the auger axis of two axis augers.
8. magnesia high-temperature reactor according to claim 1, it is characterised in that：The spent acid inlet is arranged in ribbon
In housing sidewall between auger and an axis auger and between ribbon auger and two axis augers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721734385.XU CN207667658U (en) | 2017-12-13 | 2017-12-13 | Magnesia high-temperature reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721734385.XU CN207667658U (en) | 2017-12-13 | 2017-12-13 | Magnesia high-temperature reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207667658U true CN207667658U (en) | 2018-07-31 |
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ID=62968526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721734385.XU Active CN207667658U (en) | 2017-12-13 | 2017-12-13 | Magnesia high-temperature reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875994A (en) * | 2017-12-13 | 2018-04-06 | 青岛锐丰源化工有限公司 | Magnesia high-temperature reactor |
-
2017
- 2017-12-13 CN CN201721734385.XU patent/CN207667658U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875994A (en) * | 2017-12-13 | 2018-04-06 | 青岛锐丰源化工有限公司 | Magnesia high-temperature reactor |
| CN107875994B (en) * | 2017-12-13 | 2024-03-29 | 青岛锐丰源化工有限公司 | Magnesia high temperature reactor |
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