CN210473644U - Strong corrosive liquid mixer - Google Patents
Strong corrosive liquid mixer Download PDFInfo
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- CN210473644U CN210473644U CN201920607810.1U CN201920607810U CN210473644U CN 210473644 U CN210473644 U CN 210473644U CN 201920607810 U CN201920607810 U CN 201920607810U CN 210473644 U CN210473644 U CN 210473644U
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Abstract
The utility model provides a strong corrosive liquid mixer, including distribution section, one-level reaction section, second grade reaction section, distribution section including first entry, second entry, third entry, first export and the entry connection of one-level reaction section, one-level reaction section include a plurality of sections arc nozzle stub, a plurality of sections arc nozzle stub dock end to end in proper order, the direction of buckling of arc nozzle stub is opposite, in order to form S type reaction pipe, the export of one-level reaction section is connected with the entry of second grade reaction section, the utility model discloses a tubular mixer of second grade reaction adopts S type pipeline in the one-level reaction section, not only slows down the speed that the acidizing fluid flows through the bending section, increases the contact surface and the mixed degree of acidizing fluid, makes the mixed effect more even; secondly, the tubular mixer adopts a plurality of short arc short pipes, and the strength of the inner corrosion-resistant layer and the outer rigid layer of each arc short pipe monomer is greatly improved due to the short length.
Description
Technical Field
The utility model relates to a sour mixing apparatus technical field of corrosivity especially relates to a strong corrosive liquids blender.
Background
In the production process of anhydrous aluminum fluoride, nicotinic acid, 98% concentrated sulfuric acid and washing acid recovered after subsequent use are required to be mixed, a conventional mixing device adopts a tank mixer, namely a tank body of 3m by 3m is arranged, and three kinds of acid are injected into the tank mixer to be mixed, but the nicotinic acid and the 98% concentrated sulfuric acid have certain corrosiveness due to high concentration, and more importantly, the washing acid is mixed acid formed by repeatedly washing hydrogen fluoride gas by the 98% concentrated sulfuric acid, and contains sulfuric acid, hydrogen fluoride and moisture, and the moisture content reaches 10-15%, so the corrosiveness of the tank is extremely strong, even if an anti-corrosion layer is arranged on the inner wall of the tank body, the problem of liquid leakage is caused by large contact surface between the acid solution and the anti-corrosion layer and high temperature, so that the thermal stress borne by the anti-corrosion layer is large, and the problems of deformation and cracks are often caused.
Disclosure of Invention
There is a need for a highly corrosive liquid mixer.
A strong corrosive liquid mixer comprises a distribution section, a first-stage reaction section and a second-stage reaction section, wherein the distribution section is a four-way pipe body and comprises a first inlet, a second inlet, a third inlet and a first outlet, the first inlet is used for driving 98% sulfuric acid, the second inlet is used for driving fuming acid, the third inlet is used for driving washing acid, the first outlet is connected with the inlet of the first-stage reaction section to drive three acids into the second-stage reaction section, the first-stage reaction section comprises a plurality of arc-shaped short pipes which are sequentially butted end to end, the bending directions of the arc-shaped short pipes are opposite to form an S-shaped reaction pipeline, the outlet of the first-stage reaction section is connected with the inlet of the second-stage reaction section, the outlet of the second-stage reaction section is used for discharging mixed acid after mixing, the second-stage reaction section is a straight pipe, the four-way pipe body of the distribution section comprises an inner corrosion-resistant layer and an outer rigid layer, the arc short pipe of the first-stage reaction section comprises an inner side corrosion-resistant layer and an outer side rigid layer, and the straight pipe of the second-stage reaction section comprises an inner side corrosion-resistant layer and an outer side rigid layer.
Preferably, the first outlet of the distribution section is connected with the inlet of the first-stage reaction section by a flange, and the ports of the adjacent arc-shaped short pipes are connected by a flange.
Preferably, a flow blocking baffle is further arranged between the abutting flanges of the adjacent arc-shaped short pipes, the edge of the flow blocking baffle is arranged in a mounting hole in which the flanges are abutted, the flow blocking baffle is a circular plate, a through hole with the same inner diameter as that of the inner channel of the arc-shaped short pipe is formed in the middle of the flow blocking baffle, a crescent baffle is further arranged at the position of the through hole of the flow blocking baffle, and the surface of the crescent baffle extends into the through hole.
Preferably, the crescent shaped baffle has a serrated edge.
Preferably, helical blades are arranged in the straight pipe of the second-stage reaction section, and the outer edge of each helical blade is connected with the inner wall of the straight pipe.
Preferably, the mixer further comprises a detection section, the detection section is arranged at the outlet end of the second-stage reaction section and is a four-way pipeline, two mouth parts which are opposite up and down of the detection section are an inlet and an outlet, and the other two mouth parts are respectively a temperature measuring mouth and a sampling mouth.
Preferably, the inner corrosion-resistant layer is made of tetrafluoro material, and the outer rigid layer is made of metal material.
In the utility model, the tubular mixer of two-stage reaction is adopted, the S-shaped pipeline is adopted in the first-stage reaction section, the bending section not only slows down the flowing speed of the acid liquor, but also increases the contact surface and the mixing degree of the acid liquor, so that the mixing effect is more uniform; the unit contact area of the acid liquid and the inner corrosion-resistant layer is reduced by the tubular mixer, so that the high temperature and pressure born by the corrosion-resistant layer in unit area are reduced, and the possibility of thermal stress deformation caused by high temperature is reduced; secondly, the tubular mixer adopts a plurality of short arc-shaped short pipes, each arc-shaped short pipe is an independent component, and the strength of the inner side corrosion-resistant layer and the outer side rigid layer of each arc-shaped short pipe monomer is greatly improved due to the short length, so that the tubular mixer is easy to replace and assemble.
Drawings
Fig. 1 is a schematic structural diagram of the strong corrosive liquid mixer.
Fig. 2 is a schematic view of the structure of the baffle.
Fig. 3 is an enlarged view of a portion of arcuate stub 211.
Fig. 4 is a schematic structural view of another embodiment of a highly corrosive liquid mixer.
In the figure: the device comprises a distribution section 11, a first inlet 111, a second inlet 112, a third inlet 113, a first outlet 114, a first-stage reaction section 21, a short arc-shaped pipe 211, an inner corrosion-resistant layer 212, an outer rigid layer 213, a flow-blocking baffle 214, a crescent baffle 215, a second-stage reaction section 31, a helical blade 311, a detection section 41, a temperature measuring port 411 and a sampling port 412.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 to 4, an embodiment of the present invention provides a highly corrosive liquid mixer, including a distribution section 11, a first-stage reaction section 21, and a second-stage reaction section 31, where the distribution section 11 is a four-way pipe, the distribution section 11 includes a first inlet 111, a second inlet 112, a third inlet 113, and a first outlet 114, the first inlet 111 is used for injecting 98% sulfuric acid, the second inlet 112 is used for injecting nicotinic acid, the third inlet 113 is used for injecting washing acid, the first outlet 114 is connected to an inlet of the first-stage reaction section 21, so as to inject three kinds of acids into the second-stage reaction section 31, the first-stage reaction section 21 includes a plurality of arc-shaped short pipes 211, the arc-shaped short pipes 211 are sequentially butted end to end, bending directions of the arc-shaped short pipes 211 are opposite, so as to form an S-shaped reaction pipeline, an outlet of the first-stage reaction section 21 is connected to an inlet of the second-stage reaction section 31, an outlet of the second-stage reaction section 31 is used, the second-stage reaction section 31 is a straight pipe, the four-way pipe body of the distribution section 11 comprises an inner corrosion-resistant layer 212 and an outer rigid layer 213, the arc-shaped short pipe 211 of the first-stage reaction section 21 comprises the inner corrosion-resistant layer 212 and the outer rigid layer 213, and the straight pipe of the second-stage reaction section 31 comprises the inner corrosion-resistant layer 212 and the outer rigid layer 213.
Further, the first outlet 114 of the distribution section 11 is connected with the inlet of the first-stage reaction section 21 by a flange, and the ports of the adjacent arc-shaped short pipes 211 are connected by a flange.
Further, a flow-resisting baffle 214 is further arranged between abutting flanges of the adjacent arc-shaped short pipes 211, mounting holes abutted with the flanges are formed in the edges of the flow-resisting baffle 214, the flow-resisting baffle 214 is a circular plate, a through hole with the same inner diameter as that of an inner channel of the arc-shaped short pipe 211 is formed in the middle of the flow-resisting baffle 214, a crescent baffle 215 is further arranged at the position of the through hole of the flow-resisting baffle 214, and the surface of the crescent baffle 215 extends into the through hole. The crescent baffle 215 extends into the through hole and also extends into the inner channel of the arc short pipe 211 to form resistance to the flow of the acid liquid in the inner channel, so as to slow down the flow speed of the acid liquid and increase the mixing chance.
Further, the crescent baffle 215 has a serrated edge.
Further, helical blades 311 are arranged inside the straight tube of the secondary reaction section 31, and the outer edges of the helical blades 311 are connected with the inner wall of the straight tube.
The spiral blade 311 is arranged, so that the flowing speed of the acid liquor can be increased from the outlet section, and the spiral blade 311 also forms an acid liquor flowing guide plate to accelerate the irregular flowing and mixing of the acid liquor.
Further, the mixer further comprises a detection section 41, the detection section 41 is arranged at the outlet end of the second-stage reaction section 31, the detection section 41 is a four-way pipeline, two mouth parts of the detection section 41, which are opposite up and down, are an inlet and an outlet, and the other two mouth parts are a temperature measurement port 411 and a sampling port 412 respectively.
Further, the inner corrosion-resistant layer 212 is made of tetrafluoro material, and the outer rigid layer 213 is made of metal material.
The embodiment of the utility model provides a module or unit in the device can merge, divide and delete according to actual need.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. A strong corrosive liquid blender which is characterized in that: the distribution section is a four-way pipe body and comprises a first inlet, a second inlet, a third inlet and a first outlet, wherein the first inlet is used for pumping 98% sulfuric acid, the second inlet is used for pumping nicotinic acid, the third inlet is used for pumping washing acid, the first outlet is connected with the inlet of the first-stage reaction section so as to pump three acids into the second-stage reaction section, the first-stage reaction section comprises a plurality of arc-shaped short pipes which are sequentially butted end to end, the bending directions of the arc-shaped short pipes are opposite to form an S-shaped reaction pipeline, the outlet of the first-stage reaction section is connected with the inlet of the second-stage reaction section, the outlet of the second-stage reaction section is used for discharging mixed acid after mixing, the second-stage reaction section is a straight pipe, the four-way pipe body of the distribution section comprises an inner corrosion-resistant layer and an outer rigid layer, and the arc-shaped short pipes of the first-stage reaction section comprise an inner corrosion-resistant layer and an outer rigid layer, the straight pipe of the second-stage reaction section comprises an inner corrosion-resistant layer and an outer rigid layer.
2. The highly corrosive liquid mixer of claim 1, wherein: the first outlet of the distribution section is connected with the inlet of the first-stage reaction section through a flange, and the ports of the adjacent arc-shaped short pipes are connected through a flange.
3. The highly corrosive liquid mixer of claim 1, wherein: the anti-leakage device is characterized in that a flow blocking baffle is arranged between the butt flanges of the adjacent arc-shaped short pipes, mounting holes in butt joint with the flanges are formed in the edges of the flow blocking baffle, the flow blocking baffle is a circular plate, a through hole with the same inner diameter as that of the inner channel of the arc-shaped short pipe is formed in the middle of the flow blocking baffle, a crescent baffle is arranged at the position of the through hole of the flow blocking baffle, and the surface of the crescent baffle extends into the through hole.
4. A highly corrosive liquid mixer as claimed in claim 3, wherein: the crescent baffle has a serrated edge.
5. The highly corrosive liquid mixer of claim 1, wherein: helical blades are arranged in the straight pipe of the second-stage reaction section, and the outer edges of the helical blades are connected with the inner wall of the straight pipe.
6. The highly corrosive liquid mixer of claim 1, wherein: the mixer further comprises a detection section, the detection section is arranged at the outlet end of the second-stage reaction section and is a four-way pipeline, two mouth parts which are opposite up and down of the detection section are an inlet and an outlet, and the other two mouth parts are a temperature measuring mouth and a sampling mouth respectively.
7. The highly corrosive liquid mixer of claim 1, wherein: the inner corrosion-resistant layer is made of PTFE (polytetrafluoroethylene), and the outer rigid layer is made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920607810.1U CN210473644U (en) | 2019-04-29 | 2019-04-29 | Strong corrosive liquid mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920607810.1U CN210473644U (en) | 2019-04-29 | 2019-04-29 | Strong corrosive liquid mixer |
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| Publication Number | Publication Date |
|---|---|
| CN210473644U true CN210473644U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920607810.1U Active CN210473644U (en) | 2019-04-29 | 2019-04-29 | Strong corrosive liquid mixer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113145007A (en) * | 2021-05-26 | 2021-07-23 | 昆明珑瑞一焰气体产品配送服务有限公司 | Device for mixed conveying of natural gas and additive |
-
2019
- 2019-04-29 CN CN201920607810.1U patent/CN210473644U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113145007A (en) * | 2021-05-26 | 2021-07-23 | 昆明珑瑞一焰气体产品配送服务有限公司 | Device for mixed conveying of natural gas and additive |
| CN113145007B (en) * | 2021-05-26 | 2023-03-10 | 昆明珑瑞一焰气体产品配送服务有限公司 | Device for mixing and conveying natural gas and additive |
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