CN208234560U - A kind of injection inner circulation reactor - Google Patents
A kind of injection inner circulation reactor Download PDFInfo
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- CN208234560U CN208234560U CN201820705891.4U CN201820705891U CN208234560U CN 208234560 U CN208234560 U CN 208234560U CN 201820705891 U CN201820705891 U CN 201820705891U CN 208234560 U CN208234560 U CN 208234560U
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- reactor
- reactor shell
- circulating tube
- injection
- injector
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Abstract
The utility model discloses a kind of injection inner circulation reactors, including reactor shell, the reactor shell is made of upper segregation section and lower conversion zone, the inner circulating tube axially arranged along cylinder is provided in the lower conversion zone of the reactor shell, the cricoid mixed solution cyclic space is formed between the inner circulating tube periphery and reactor shell inner wall, the reactor shell lower part is provided with injector, the mixed solution outlet portion of the injector extends in inner circulating tube, the upper segregation section of the reactor shell is provided with reactor solution outlet and gas vent.The utility model is by using injection inner circulation reactor structure, lye and nitric acid solution is set to carry out neutralization reaction in injector and inner circulating tube, the structure lower section conversion zone makes reaction sufficiently, thoroughly, upper section segregation section provides separation larger space, reduces entrainment, and realize continuous operation, good mixing effect, evenly and completely, volume of equipment is smaller, and operating flexibility is big for reaction.
Description
Technical field
The utility model belongs to fused salt grade sodium nitrate process units technical field, in particular to one kind is with solid soda ash and nitre
Acid is to recycle sodium nitrate reactor in injection used in the low chlorine photo-thermal fused salt process units of raw material reaction production.
Background technique
Fuse salt is the molten state liquid of salt, and the fuse salt usually said refers to the molten mass of inorganic salts.Fused salt can be in height
It is used when 500 DEG C, and risk is small, there is good heat transfer characteristic, it is extensive in the industrial applications such as chemistry and petrochemical industry,
Also very big effect is played in battery and metallurgy industry, it is particularly possible to be applied to solar energy thermal-power-generating as heat transfer heat storage medium
In solar hydrogen making.Fused salt heat accumulating mainly has carbonate, chlorate, fluoride salt and nitrate, wherein the property of nitrate
It can be suitable as fused salt heat accumulating the most.
It is domestic to use multiple neutralization reaction tanks at present, it is intermittently operated, only small device, technology falls behind, energy consumption
Height, controlled level is low, and normal pressure neutralizes, and in soda ash and the tail gas of generation (contains CO2) also do not carry out handling direct emptying.
Utility model content
The goal of the invention of the utility model is: in view of the above problems, providing one kind can be realized device large size
Change, operate serialization and automation, and obtains the injection inner circulation reactor of the low chlorine fused salt product of high-quality.
The technical solution of the utility model is achieved in that a kind of injection inner circulation reactor, including reactor shell,
It is characterized by: the reactor shell is made of upper segregation section and lower conversion zone, in the lower conversion zone of the reactor shell
It is inside provided with the inner circulating tube axially arranged along cylinder, is formed between the inner circulating tube periphery and reactor shell inner wall cyclic annular
The mixed solution cyclic space, the reactor shell lower part is provided with injector, the mixed solution outlet of the injector
Portion extends in inner circulating tube, and the upper segregation section of the reactor shell is provided with reactor solution outlet and gas vent.
The bottom of reactor shell is arranged in injection inner circulation reactor described in the utility model, the injector,
It is towards the axial direction of reactor shell and same with the axial centre of inner circulating tube that the mixed solution of the injector exports injection direction
Axis arrangement.
Injection inner circulation reactor described in the utility model in the lower conversion zone of the reactor shell, interior follows
It is provided with return cover above endless tube, the upper surface of the inner circulating tube and returning is stayed at regular intervals between cover, and described return
The lower end surface size for returning cover is greater than the upper surface size of inner circulating tube.
Injection inner circulation reactor described in the utility model, the lower part of the inner circulating tube are in toroidal.
Injection inner circulation reactor described in the utility model, the reactor shell is integrally in variable-diameter structure, described
The corresponding barrel diameter of upper segregation section is greater than the corresponding barrel diameter of lower conversion zone.
Injection inner circulation reactor described in the utility model, the reactor solution outlet are arranged in reactor shell
Reducer at, the top of reactor shell is arranged in the gas vent, at the reducer of the reactor shell be arranged
Have a baffle of annular, the reducer of the baffle and reactor shell cooperatively forms annular groove, the reactor solution outlet with
Annular groove connection.
Injection inner circulation reactor described in the utility model, in the upper segregation section of the reactor shell, gas
Exit is provided with demister.
The utility model mainly for it is existing using multiple neutralization reaction tanks there are the problem of, by using injection in circulation
Structure of reactor makes lye and nitric acid solution carry out neutralization reaction in injector and inner circulating tube, the structure lower section conversion zone
So that reaction is sufficiently, thoroughly, upper section segregation section provides separation larger space, reduces entrainment, and realize continuous operation, mixes
Effect is good, and evenly and completely, volume of equipment is smaller, and operating flexibility is big for reaction.The utility model makes neutralization reaction rapider,
Reaction time is shortened, equipment Combination Design, simple to operation, occupied area is small.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Marked in the figure: 1 is reactor shell, 1a is upper segregation section, and 1b is lower conversion zone, and 1c is reducer, and 2 be interior circulation
Pipe, 3 be the mixed solution cyclic space, and 4 be injector, and 5 export for reactor solution, and 6 be gas vent, and 7 is return to cover, and 8 are
Baffle, 9 be annular groove, and 10 be demister.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1, a kind of injection inner circulation reactor, including reactor shell 1, the reactor shell 1 is by upper point
It constitutes from section 1a and lower conversion zone 1b, is provided in the lower conversion zone 1b of the reactor shell 1 and is axially arranged along cylinder
Inner circulating tube 2 forms the cricoid mixed solution cyclic space 3 between 2 periphery of inner circulating tube and 1 inner wall of reactor shell,
1 lower part of reactor shell is provided with injector 4, the mixed solution outlet portion of the injector 4 extends to inner circulating tube 2
Interior, the upper segregation section 1a of the reactor shell 1 is provided with reactor solution outlet 5 and gas vent 6.
In the present embodiment, the bottom of reactor shell 1, the mixed solution of the injector 4 is arranged in the injector 4
It is towards the axial direction of reactor shell 1 and coaxially arranged with the axial centre of inner circulating tube 2 to export injection direction；It is molten in order to be conducive to
The circulation of liquid, to make reaction more sufficiently, thoroughly, in the lower conversion zone 1b of the reactor shell 1, inner circulating tube 2
Top is provided with tapered return cover 7, and at regular intervals, and institute is stayed in the upper surface of the inner circulating tube 2 and returning between cover 7
It states and returns to upper surface size of the lower end surface size of cover 7 greater than inner circulating tube 2, the lower part of the inner circulating tube 2 is in toroidal,
To improve the circulating effect of solution.
Wherein, it is in variable-diameter structure that the reactor shell 1 is whole, under the corresponding barrel diameter of the upper segregation section 1a is greater than
The corresponding barrel diameter of conversion zone 1b, the reactor solution outlet 5 is arranged at the reducer 1c of reactor shell 1, described
The top of reactor shell 1 is arranged in gas vent 6, in the upper segregation section 1a of the reactor shell 1, at gas vent 6
It is provided with demister 10, reacts the neutralization tail gas of generation (containing CO2And vapor) given at downstream process after demister pre-processes
Reason；In order to improve the effect of gas-liquid separation, the baffle 8 of annular is provided at the reducer 1c of the reactor shell 1, it is described
The reducer 1c of baffle 8 and reactor shell 1 cooperatively forms annular groove 9, and the reactor solution outlet 5 is connected to annular groove 9.
Prepare soda ash (sodium carbonate) solution and dilute nitric acid solution raw material, by after metering soda ash liquid and nitric acid solution exist
Neutralization reaction is carried out in the injector and inner circulating tube of reactor and generates gas-liquid mixture, and reaction process is exothermic reaction, operation
Pressure is about 1bar (a), and operation temperature is about 85 DEG C, and pH value is controlled 7 or so, and the gas-liquid mixture of generation subsequently enters upper section
Gas-liquid separation is carried out in segregation section, the gas phase separated is (containing CO2And vapor) given at downstream process after demister pre-processes
Reason；For sodium nitrate solution except the outflow of the reacted device taphole in part, it is higher that this reactor reaction obtains sodium nitrate reaction solution concentration,
In addition most solutions are recycled to cylinder lower section along the mixed solution cyclic space, and reenter in inner circulating tube and neutralize instead
It answers, to ensure not occurring any hot spot, dead angle in reactor.The sodium nitrate solution of reactor enters downstream solid separation system out
(containing processes such as evaporation, crystallization, separation and dryings) processing, finally obtains fused salt grade nitrate products.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of injection inner circulation reactor, including reactor shell (1), it is characterised in that: the reactor shell (1) is by upper
Segregation section (1a) and lower conversion zone (1b) are constituted, and are provided in the lower conversion zone (1b) of the reactor shell (1) along cylinder
The inner circulating tube (2) axially arranged is formed cricoid mixed between inner circulating tube (2) periphery and reactor shell (1) inner wall
It closes the solution cyclic space (3), is provided with injector (4) in the reactor shell (1) lower part, the mixing of the injector (4)
Taphole portion extends in inner circulating tube (2), and the upper segregation section (1a) of the reactor shell (1) is provided with reactor solution
Export (5) and gas vent (6).
2. injection inner circulation reactor according to claim 1, it is characterised in that: injector (4) setting is being reacted
The bottom of device cylinder (1), the mixed solution of the injector (4) export injection direction towards the axial direction of reactor shell (1) and
It is coaxially arranged with the axial centre of inner circulating tube (2).
3. injection inner circulation reactor according to claim 1, it is characterised in that: under the reactor shell (1)
Return cover (7) is provided in conversion zone (1b), above inner circulating tube (2), the upper surface of the inner circulating tube (2) and return are covered
(7) stayed between it is at regular intervals, and it is described return cover (7) lower end surface size be greater than inner circulating tube (2) upper surface size.
4. injection inner circulation reactor according to claim 1, it is characterised in that: the lower part of the inner circulating tube (2) is in
Toroidal.
5. injection inner circulation reactor as claimed in any of claims 1 to 4, it is characterised in that: the reactor
Cylinder (1) is integrally in variable-diameter structure, and the corresponding barrel diameter of the upper segregation section (1a) is greater than lower conversion zone (1b) corresponding cylinder
Body diameter.
6. injection inner circulation reactor according to claim 5, it is characterised in that: the reactor solution outlet (5) sets
It sets at the reducer (1c) of reactor shell (1), the gas vent (6) is arranged at the top of reactor shell (1), in institute
It states and is provided with annular baffle (8) at the reducer (1c) of reactor shell (1), the baffle (8) and reactor shell (1)
Reducer (1c) cooperatively forms annular groove (9), and the reactor solution outlet (5) is connected to annular groove (9).
7. injection inner circulation reactor according to claim 6, it is characterised in that: in the upper of the reactor shell (1)
Demister (10) are provided in segregation section (1a), at gas vent (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820705891.4U CN208234560U (en) | 2018-05-14 | 2018-05-14 | A kind of injection inner circulation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820705891.4U CN208234560U (en) | 2018-05-14 | 2018-05-14 | A kind of injection inner circulation reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208234560U true CN208234560U (en) | 2018-12-14 |
Family
ID=64583164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820705891.4U Active CN208234560U (en) | 2018-05-14 | 2018-05-14 | A kind of injection inner circulation reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208234560U (en) |
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2018
- 2018-05-14 CN CN201820705891.4U patent/CN208234560U/en active Active
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