CN220478840U - Continuous spraying reactor - Google Patents
Continuous spraying reactor Download PDFInfo
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- CN220478840U CN220478840U CN202321979183.7U CN202321979183U CN220478840U CN 220478840 U CN220478840 U CN 220478840U CN 202321979183 U CN202321979183 U CN 202321979183U CN 220478840 U CN220478840 U CN 220478840U
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- reactor
- continuous spray
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- atomization
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- 238000005507 spraying Methods 0.000 title claims abstract description 10
- 239000007921 spray Substances 0.000 claims abstract description 50
- 238000000889 atomisation Methods 0.000 claims abstract description 35
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 16
- UHZYTMXLRWXGPK-UHFFFAOYSA-N phosphorus pentachloride Chemical compound ClP(Cl)(Cl)(Cl)Cl UHZYTMXLRWXGPK-UHFFFAOYSA-N 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000460 chlorine Substances 0.000 abstract description 4
- 229910052801 chlorine Inorganic materials 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- 230000002194 synthesizing effect Effects 0.000 abstract description 4
- 230000003993 interaction Effects 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009690 centrifugal atomisation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
A continuous spray reactor consists of a reactor shell, an atomization device, a bottom stirrer and a gas distributor; the atomizing device and the bottom stirrer are respectively connected with the reactor shell through flanges; the gas distributor is located within the reactor housing; the reactor shell is provided with a lower air inlet, an upper air inlet, an air outlet, a side discharge port, a lower discharge port and an atomization feeding interface. Compared with the prior art, the continuous spraying reactor provided by the utility model adopts a specific structure and a connection relation, realizes overall better interaction, can improve the reaction efficiency, and has low cost and reliable discharging. Experimental results show that the continuous spray reactor provided by the embodiment is used for synthesizing phosphorus pentachloride by taking chlorine and phosphorus trichloride as raw materials, the yield of the produced phosphorus pentachloride is 98%, the purity of the product is 99%, and the average particle size of the product is 730 microns; the production process is continuous, the feeding pressure is stable, the discharging is continuous and smooth, and the equipment maintenance and cleaning are convenient to detach.
Description
Technical Field
The utility model relates to the technical field of reactors, in particular to a continuous spray reactor.
Background
Continuous spray reactors are commonly used for gas-liquid two-phase, gas-liquid-solid three-phase reactions, such as phosphorus pentachloride reactors.
However, the continuous spray reactor in the prior art has the problems of uneven mass transfer, incomplete reaction, large reactor volume, high investment, unsmooth discharge, complex maintenance and the like.
In summary, how to design a spray reactor to improve the reaction efficiency, reduce the cost and ensure the discharging is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present utility model aims to provide a continuous spray reactor which can improve the reaction efficiency, and has low cost and reliable discharge.
The utility model provides a continuous spray reactor, which consists of a reactor shell, an atomization device, a bottom stirrer and a gas distributor; the atomizing device and the bottom stirrer are respectively connected with the reactor shell through flanges; the gas distributor is located within the reactor housing;
the reactor shell is provided with a lower air inlet, an upper air inlet, an air outlet, a side discharge port, a lower discharge port and an atomization feeding interface.
Preferably, the reactor shell is made of stainless steel or carbon steel, the thickness is 2-10 mm, the diameter of the straight cylinder section is 0.5-1 m, and the length is 5-10 m.
Preferably, the upper air inlet and the lower air inlet are respectively arranged in the inner cutting direction of the reactor shell, and the directions of the pipe orifices of the upper air inlet and the lower air inlet are different by 90 degrees.
Preferably, the included angle between the side discharge hole and the horizontal direction is 45-70 degrees;
the air outlet is arranged at the top end of the reactor shell, and the lower discharge port is arranged at the bottom end of the reactor shell;
the atomized feed interface is arranged in the radial direction of the reactor shell and is vertical to the axial direction.
Preferably, the atomization device adopts a single fluid nozzle, a double fluid nozzle, a hypergravity nozzle or a centrifugal atomization nozzle; the number of the spray heads of the atomization device is 1-4, the atomization angle is 30-60 degrees, the atomization particle size is 100-1000 microns, and the spraying direction is from top to bottom.
Preferably, the bottom stirrer is driven by a common frequency motor or a variable frequency motor, and the distance between the bottom stirrer and the gas distributor is 50-100 mm.
Preferably, the gas distributor is obtained by welding 1/4 spherical cap covers on the bottom plate, the holes are semicircular holes uniformly distributed on the bottom plate, and all cap covers face the same direction.
Preferably, the diameter of the opening is 1 cm-8 cm, and the height is 0.5 cm-5 cm.
Preferably, the continuous spray reactor is divided into a discharging section, a lower cooling section, a curing section, a reaction section, a mixing section and an upper cooling section from bottom to top.
Preferably, the length-to-interval ratio of the discharging section, the lower cooling section, the curing section, the reaction section, the mixing section and the upper cooling section is 0.5: (2-4): (1.5-2.5): (1.5-2.5): (1.5-2.5): (2-4).
The utility model provides a continuous spray reactor, which consists of a reactor shell, an atomization device, a bottom stirrer and a gas distributor; the atomizing device and the bottom stirrer are respectively connected with the reactor shell through flanges; the gas distributor is located within the reactor housing; the reactor shell is provided with a lower air inlet, an upper air inlet, an air outlet, a side discharge port, a lower discharge port and an atomization feeding interface. Compared with the prior art, the continuous spraying reactor provided by the utility model adopts a specific structure and a connection relation, realizes overall better interaction, can improve the reaction efficiency, and has low cost and reliable discharging. Experimental results show that the continuous spray reactor provided by the embodiment is used for synthesizing phosphorus pentachloride by taking chlorine and phosphorus trichloride as raw materials, the yield of the produced phosphorus pentachloride is 98%, the purity of the product is 99%, and the average particle size of the product is 730 microns; the production process is continuous, the feeding pressure is stable, the discharging is continuous and smooth, and the equipment maintenance and cleaning are convenient to detach.
Drawings
FIG. 1 is a schematic view of a continuous spray reactor according to an embodiment of the present utility model;
FIG. 2 is a top view of a continuous spray reactor provided in an embodiment of the present utility model;
fig. 3 is a three view of a gas distributor in a continuous spray reactor provided in an embodiment of the present utility model.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a continuous spray reactor, which consists of a reactor shell, an atomization device, a bottom stirrer and a gas distributor; the atomizing device and the bottom stirrer are respectively connected with the reactor shell through flanges; the gas distributor is located within the reactor housing;
the reactor shell is provided with a lower air inlet, an upper air inlet, an air outlet, a side discharge port, a lower discharge port and an atomization feeding interface.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a continuous spray reactor provided by an embodiment of the present utility model, fig. 2 is a top view of the continuous spray reactor provided by the embodiment of the present utility model, and fig. 3 is a three-view of a gas distributor in the continuous spray reactor provided by the embodiment of the present utility model; in fig. 1 to 3, (1) is a lower inlet, (2) is a bottom stirrer, (3) is a gas distributor, (4) is an atomizing device, (5) is an upper inlet, (6) is a side outlet, (7) is a gas outlet, (8) is a lower outlet, (9) is an atomizing feed pipe interface, and (10) is a reactor shell.
In the utility model, the continuous spray reactor consists of a reactor shell, an atomization device, a bottom stirrer and a gas distributor; the reactor shell is preferably made of stainless steel or carbon steel, and more preferably made of stainless steel; the thickness is preferably 2 to 10mm, more preferably 5 to 7mm, the diameter of the straight section is preferably 0.5 to 1m, more preferably 0.7 to 0.9m, and the length is preferably 5 to 10m, more preferably 7 to 9m.
In the utility model, the reactor shell is provided with a lower air inlet, an upper air inlet, an air outlet, a side discharge port, a lower discharge port and an atomization feeding port; the device comprises a lower discharge port, a lower air inlet, a side discharge port, an atomization feeding interface, an upper air inlet and an air outlet from bottom to top.
In the present utility model, the upper inlet and the lower inlet are preferably disposed in the inner cut of the reactor shell, respectively, and the orientations of the nozzles of the two are different by 90 °, as can be seen in fig. 2.
In the utility model, the included angle between the side discharge port and the horizontal direction is preferably 45-70 degrees, more preferably 55-65 degrees.
In the present utility model, the air outlet is preferably provided at the top end of the reactor housing, and the lower outlet is preferably provided at the bottom end of the reactor housing.
In the present utility model, the atomized feed interface is preferably disposed in a radial direction of the reactor housing and is axially perpendicular.
In the utility model, the atomizing device and the bottom stirrer are respectively connected with the reactor shell through flanges; the key components are all connected by adopting flanges, so that the utility model is simple to assemble and disassemble and convenient to maintain and replace.
In the utility model, the atomization device preferably adopts a single fluid nozzle, a double fluid nozzle, a hypergravity nozzle or a centrifugal atomization nozzle, and more preferably a single fluid nozzle; the number of the spray heads of the atomization device is preferably 1-4 (the spray heads are uniformly distributed when the number of the spray heads is 2-4), more preferably 1, the atomization angle is preferably 30-60 degrees, more preferably 40-50 degrees, the atomization particle size is preferably 100-1000 micrometers, more preferably 400-600 micrometers, and the spraying direction is preferably from top to bottom.
In the utility model, the bottom stirrer is preferably driven by a common frequency motor or a variable frequency motor, more preferably a variable frequency motor, and the distance between the bottom stirrer and the gas distributor is preferably 50-100 mm.
In the present utility model, the gas distributor is located within the reactor housing; the gas distributor is preferably obtained by welding 1/4 spherical caps on the bottom plate, the openings are preferably semicircular holes uniformly distributed on the bottom plate, and all caps face the same direction.
In the present utility model, the diameter of the opening is preferably 1cm to 8cm, more preferably 3cm to 5cm, and the height is preferably 0.5cm to 5cm, more preferably 1cm to 3cm.
The spray head of the single or combined atomizing device is adopted, and the liquid dispersibility is improved by selecting a proper atomizing angle and an appropriate atomizing particle size; meanwhile, the gas distributor is arranged below the bottom stirrer, so that the uniformity of gas-phase feeding can be improved, the curing and reaction promotion effects are achieved, the reaction efficiency is improved, and the solid discharging is facilitated.
In the utility model, the continuous spray reactor is preferably divided into a discharging section, a lower cooling section, a curing section, a reaction section, a mixing section and an upper cooling section from bottom to top; the length interval ratio of the discharging section, the lower cooling section, the curing section, the reaction section, the mixing section and the upper cooling section is preferably 0.5: (2-4): (1.5-2.5): (1.5-2.5): (1.5-2.5): (2 to 4), more preferably 0.5:3:2:2:2: (2-4).
In the present utility model, the continuous spray reactor is suitable for use in chemical reactions where gas and liquid react to form a solid product; the method is particularly applied to the synthesis of phosphorus pentachloride, and can effectively solve the problems of low efficiency, fluctuation in product quality, potential safety hazard in discharging and the like of the conventional phosphorus pentachloride gas-liquid reaction kettle.
The utility model provides a continuous spray reactor, which consists of a reactor shell, an atomization device, a bottom stirrer and a gas distributor; the atomizing device and the bottom stirrer are respectively connected with the reactor shell through flanges; the gas distributor is located within the reactor housing; the reactor shell is provided with a lower air inlet, an upper air inlet, an air outlet, a side discharge port, a lower discharge port and an atomization feeding interface. Compared with the prior art, the continuous spraying reactor provided by the utility model adopts a specific structure and a connection relation, realizes overall better interaction, can improve the reaction efficiency, and has low cost and reliable discharging. Experimental results show that the continuous spray reactor provided by the embodiment is used for synthesizing phosphorus pentachloride by taking chlorine and phosphorus trichloride as raw materials, the yield of the produced phosphorus pentachloride is 98%, the purity of the product is 99%, and the average particle size of the product is 730 microns; the production process is continuous, the feeding pressure is stable, the discharging is continuous and smooth, and the equipment maintenance and cleaning are convenient to detach.
For further explanation of the present utility model, reference will be made to fig. 1, which shows the present utility model in further detail by taking as an example the synthesis of phosphorus pentachloride, which is only a part of examples of the present utility model, but not all.
Examples
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a continuous spray reactor provided by an embodiment of the present utility model, fig. 2 is a top view of the continuous spray reactor provided by the embodiment of the present utility model, and fig. 3 is a three-view of a gas distributor in the continuous spray reactor provided by the embodiment of the present utility model; in fig. 1 to 3, (1) is a lower inlet, (2) is a bottom stirrer, (3) is a gas distributor, (4) is an atomizing device, (5) is an upper inlet, (6) is a side outlet, (7) is a gas outlet, (8) is a lower outlet, (9) is an atomizing feed pipe interface, and (10) is a reactor shell.
The continuous spraying reactor provided by the embodiment of the utility model consists of a reactor shell (10), an atomization device (4), a bottom stirrer (2) and a gas distributor (3), wherein the atomization device (4) and the bottom stirrer (2) are respectively connected with the reactor shell (10) through flanges, and the gas distributor (3) is positioned in the reactor shell (10).
The reactor shell (10) is made of 2205 stainless steel, has the thickness of 6mm, and has the diameter of 0.8m and the length of 8m of the straight barrel section.
The reactor shell (10) comprises interfaces such as a lower air inlet (1) DN150, an upper air inlet (5) DN80, an air outlet (7) DN200, a side discharge port (6) DN100, a lower discharge port (8) DN80, an atomization feeding interface (9) DN150 and the like.
The upper air inlet (5) and the lower air inlet (1) are internally tangent in the reactor shell (10), and the pipe orifice orientations are 90 degrees different.
The included angle between the side discharge hole (6) and the horizontal direction is 60 degrees.
The atomization feeding interface (9) is arranged in the radial direction of the reactor shell (10) and is vertical to the axial direction.
The bottom stirrer (2) is driven by a variable frequency motor, and the distance between the bottom stirrer (2) and the gas distributor (3) is 50mm.
The bottom gas distributor (3) is obtained by welding 1/4 spherical cap covers on a bottom plate, the holes are semicircular holes uniformly distributed on the bottom plate, the diameter of each hole is 4cm, the height of each hole is 2cm, and all cap covers face the same direction.
The atomization device (4) adopts single-fluid spray heads, the number of the spray heads is 1, the atomization angle is 45 degrees, and the atomization particle size is 500 microns.
The spraying direction of the atomizing device (4) is from top to bottom.
The continuous spray reactor is divided into a discharging section, a lower cooling section, a curing section, a reaction section, a mixing section, an upper cooling section and other areas from bottom to top, wherein the length interval ratio is 0.5:3:2:2:2:3.
in the embodiment, a single spray nozzle is adopted, the atomization angle is 45 degrees, the average atomization particle size is 500 microns, the spray dispersibility is good, and the particle size distribution is uniform; meanwhile, a gas distributor is arranged below the continuous spray reactor, so that the uniformity of gas-phase feeding is improved, the effects of curing and promoting reaction are achieved, the reaction efficiency is improved, and solid discharging is facilitated.
The continuous spray reactor provided by the embodiment is used for synthesizing phosphorus pentachloride by taking chlorine and phosphorus trichloride as raw materials, the yield of the produced phosphorus pentachloride is 98%, the purity of the product is 99%, and the average particle diameter of the product is 730 microns; the production process is continuous, the feeding pressure is stable, the discharging is continuous and smooth, and the equipment maintenance and cleaning are convenient to detach.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The continuous spray reactor is characterized by comprising a reactor shell, an atomization device, a bottom stirrer and a gas distributor; the atomizing device and the bottom stirrer are respectively connected with the reactor shell through flanges; the gas distributor is located within the reactor housing;
the reactor shell is provided with a lower air inlet, an upper air inlet, an air outlet, a side discharge port, a lower discharge port and an atomization feeding interface.
2. The continuous spray reactor according to claim 1, wherein the reactor shell is made of stainless steel or carbon steel, has a thickness of 2-10 mm, and the straight tube section has a diameter of 0.5-1 m and a length of 5-10 m.
3. The continuous spray reactor according to claim 1, wherein the upper inlet and the lower inlet are respectively arranged in the inner cutting direction of the reactor shell, and the nozzle orientations of the upper inlet and the lower inlet are different by 90 °.
4. The continuous spray reactor according to claim 1, wherein the angle between the side discharge port and the horizontal direction is 45 ° -70 °;
the air outlet is arranged at the top end of the reactor shell, and the lower discharge port is arranged at the bottom end of the reactor shell;
the atomized feed interface is arranged in the radial direction of the reactor shell and is vertical to the axial direction.
5. The continuous spray reactor according to claim 1, wherein the atomizing device employs a single fluid nozzle, a dual fluid nozzle, a supergravity nozzle, or a centrifugal atomizer; the number of the spray heads of the atomization device is 1-4, the atomization angle is 30-60 degrees, the atomization particle size is 100-1000 microns, and the spraying direction is from top to bottom.
6. The continuous spray reactor according to claim 1, wherein the bottom stirrer is driven by a common frequency motor or a variable frequency motor, and the distance between the bottom stirrer and the gas distributor is 50 mm-100 mm.
7. The continuous spray reactor according to claim 1, wherein the gas distributor is welded to the bottom plate using 1/4 spherical caps, the openings are semicircular holes uniformly distributed on the bottom plate, and all caps face the same direction.
8. The continuous spray reactor according to claim 7, wherein the openings have a diameter of 1cm to 8cm and a height of 0.5cm to 5cm.
9. The continuous spray reactor according to any one of claims 1 to 8, wherein the continuous spray reactor is divided into a discharge section, a lower cooling section, a curing section, a reaction section, a mixing section, an upper cooling section from bottom to top.
10. The continuous spray reactor according to claim 9, wherein the length-to-pitch ratio of the discharge section, the lower cooling section, the curing section, the reaction section, the mixing section, the upper cooling section is 0.5: (2-4): (1.5-2.5): (1.5-2.5): (1.5-2.5): (2-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321979183.7U CN220478840U (en) | 2023-07-26 | 2023-07-26 | Continuous spraying reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321979183.7U CN220478840U (en) | 2023-07-26 | 2023-07-26 | Continuous spraying reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220478840U true CN220478840U (en) | 2024-02-13 |
Family
ID=89825568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321979183.7U Active CN220478840U (en) | 2023-07-26 | 2023-07-26 | Continuous spraying reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220478840U (en) |
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2023
- 2023-07-26 CN CN202321979183.7U patent/CN220478840U/en active Active
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