CN111545135A - High-purity phosphorus oxychloride safe feeding system - Google Patents
High-purity phosphorus oxychloride safe feeding system Download PDFInfo
- Publication number
- CN111545135A CN111545135A CN202010404109.7A CN202010404109A CN111545135A CN 111545135 A CN111545135 A CN 111545135A CN 202010404109 A CN202010404109 A CN 202010404109A CN 111545135 A CN111545135 A CN 111545135A
- Authority
- CN
- China
- Prior art keywords
- phosphorus oxychloride
- liquid storage
- pipe
- liquid
- feeding system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000007788 liquid Substances 0.000 claims abstract description 85
- 238000006243 chemical reaction Methods 0.000 claims abstract description 36
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005273 aeration Methods 0.000 claims description 17
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 9
- 239000000460 chlorine Substances 0.000 claims description 8
- 229910052801 chlorine Inorganic materials 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 3
- 210000002414 leg Anatomy 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 230000001502 supplementing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005276 aerator Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/004—Sparger-type elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/008—Feed or outlet control devices
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/10—Halides or oxyhalides of phosphorus
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention belongs to the technical field of phosphorus oxychloride production, and particularly relates to a high-purity phosphorus oxychloride safe feeding system which comprises a reaction kettle, wherein a liquid storage tank is arranged at the top of the reaction kettle, the liquid storage tank is fixedly connected with the top of the reaction kettle through a plurality of support rods, a liquid inlet pipe is fixedly communicated with the top of the liquid storage tank, a communicating pipe is fixedly communicated with the bottom of the liquid storage tank, one end of the communicating pipe, far away from the liquid storage tank, penetrates through the top of the reaction kettle and extends inwards, a liquid outlet hole is arranged at the bottom end of the communicating pipe, the distance between the liquid outlet hole at the bottom end of the communicating pipe and the bottom of the reaction kettle is basically equal to the liquid level set in the reaction kettle, a chlorine gas inlet pipe is fixedly communicated with the bottom of one side of the reaction kettle, and the invention realizes energy-free driving automatic continuous liquid supply through the arrangement of a, greatly improves the safety of the high-purity phosphorus oxychloride in the using process.
Description
Technical Field
The invention belongs to the technical field of phosphorus oxychloride production, and particularly relates to a high-purity phosphorus oxychloride safe feeding system.
Background
High-purity phosphorus oxychloride is one of main raw materials for producing solar cells, is also a raw material in diffusion and doping processes in the production processes of integrated circuits, optical fiber preforms and electronic components, is widely applied to photovoltaic and IC industries, and belongs to colorless transparent chemicals which have strong corrosivity, strong oxidation, strong toxicity and violent reaction when meeting water.
However, the existing phosphorus oxychloride does not have a special automatic liquid supplementing device to realize automatic liquid supplementing, and the liquid supplementing is manually performed, so that the manual liquid supplementing has high efficiency and certain danger.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a high-purity phosphorus oxychloride safe feeding system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-purity phosphorus oxychloride safe feeding system comprises a reaction kettle, wherein the top of the reaction kettle is provided with a liquid storage tank, the liquid storage tank is fixedly connected with the top of the reaction kettle through a plurality of support rods, the top of the liquid storage tank is fixedly communicated with a liquid inlet pipe, the bottom of the liquid storage tank is fixedly communicated with a communicating pipe, one end of the communicating pipe, which is far away from the liquid storage tank, penetrates through the top of the reaction kettle and extends inwards, the bottom end of the communicating pipe is provided with a liquid outlet, the distance between the liquid outlet at the bottom end of the communicating pipe and the bottom of the reaction kettle is basically equal to the height of the liquid level set in the reaction kettle, the bottom of one side of the reaction kettle is fixedly communicated with a chlorine gas inlet pipe, one end of the chlorine gas inlet pipe penetrates through the outer wall of the reaction kettle and extends inwards, the chlorine gas inlet pipe is fixedly communicated with an aeration pipe at one extended end, and a plurality of aeration holes are formed in the aeration pipe at equal intervals.
Preferably, the bottom of the reaction kettle is fixedly communicated with a discharge pipe, and a first control valve is installed on the discharge pipe.
Preferably, an observation window is embedded in the surface of the liquid storage tank, and scale marks are arranged on the surface of the observation window.
Preferably, a water suction pump is installed on the liquid inlet pipe and fixedly connected with the top of the liquid storage tank through an installation frame.
Preferably, the bottom of the reaction kettle is fixedly connected with a plurality of supporting legs, the bottoms of the supporting legs are fixedly connected with a fixed seat, and a rubber pad is fixedly bonded to the bottom of the fixed seat.
Preferably, a second control valve is mounted on the communicating pipe.
Preferably, a sealing ring is fixedly sleeved on the communicating pipe, and one side of the sealing ring is abutted against the bottom of the liquid storage tank.
Preferably, the liquid outlet hole at the bottom end of the communicating pipe is formed in the side portion of the bottom end.
Has the advantages that:
1. in the invention, when the liquid level of the supplemented phosphorus oxychloride liquid rises and begins to submerge the liquid outlet hole at the bottom end of the communicating pipe, the liquid storage tank immediately stops flowing automatically to the reaction kettle due to the isolation of the airflow channel entering the liquid outlet hole at the bottom end of the communicating pipe, so that the liquid level is just equal to the set height.
2. In the invention, chlorine gas enters the aeration pipe through the air inlet pipe and is then discharged from the aeration holes, and the aeration holes increase the flow velocity of discharged airflow and promote the rapid reaction of the chlorine gas and the phosphorus oxychloride, thereby improving the production efficiency and the product quality of the phosphorus oxychloride.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic sectional view showing the structure of a high-purity phosphorus oxychloride safety feeding system;
FIG. 2 is a schematic diagram of a liquid storage tank of a high-purity phosphorus oxychloride safety feeding system;
FIG. 3 is a schematic structural diagram of an aerator pipe of a high-purity phosphorus oxychloride safe feeding system;
fig. 4 is a schematic structural diagram of a point a in fig. 1.
In the figure: 1-a reaction kettle, 2-a liquid storage tank, 3-a support rod, 4-a liquid inlet pipe, 5-a communicating pipe, 6-a liquid outlet hole, 7-an air inlet pipe, 8-an aeration pipe, 9-a discharge pipe, 10-a first control valve, 11-an observation window, 12-a water suction pump, 13-a mounting frame, 14-supporting legs, 15-a fixed seat, 16-a rubber pad, 17-a second control valve and 18-a sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a high-purity phosphorus oxychloride safe feeding system comprises a reaction kettle 1, wherein a liquid storage tank 2 is arranged at the top of the reaction kettle 1 and used for storing phosphorus oxychloride, the liquid storage tank 2 is fixedly connected with the top of the reaction kettle 1 through a plurality of support rods 3, a liquid inlet pipe 4 is fixedly communicated with the top of the liquid storage tank 2 and used for injecting phosphorus oxychloride into the liquid storage tank 2, a communicating pipe 5 is fixedly communicated with the bottom of the liquid storage tank 2 and used for injecting phosphorus oxychloride into the reaction kettle 1, one end of the communicating pipe 5, far away from the liquid storage tank 2, penetrates through the top of the reaction kettle 1 and extends inwards, a liquid outlet hole 6 is arranged at the bottom end of the communicating pipe 5, the distance between the liquid outlet hole 6 at the bottom end of the communicating pipe 5 and the bottom of the reaction kettle 1 is basically equal to the liquid level set in the reaction kettle 1, a chlorine inlet pipe 7 is fixedly, one end of the chlorine air inlet pipe 7 penetrates through the outer wall of the reaction kettle 1 and extends inwards, the aeration pipe 8 is fixedly communicated with one end of the chlorine air inlet pipe 7, the flow rate of the discharged air flow is increased through the aeration holes, the chlorine and the phosphorus oxychloride are promoted to react quickly, and a plurality of aeration holes are formed in the aeration pipe 8 at equal intervals.
In this embodiment, a discharge pipe 9 is fixedly communicated with the bottom of the reaction kettle 1 and used for discharging a finished product in the reaction kettle 1, and a first control valve 10 is installed on the discharge pipe 9 and used for controlling the connection and the disconnection of the discharge pipe 9.
In this embodiment, the surface of the liquid storage tank 2 is embedded with the observation window 11, and the surface of the observation window 11 is provided with scale marks, so that the liquid allowance inside the liquid storage tank 2 can be conveniently checked.
In this embodiment, the liquid inlet pipe 4 is provided with a water suction pump 12, and the water suction pump 12 is fixedly connected with the top of the liquid storage tank 2 through a mounting frame 13 and is used for pumping the phosphorus oxychloride into the liquid storage tank 2.
In this embodiment, the bottom of the reaction kettle 1 is fixedly connected with a plurality of supporting legs 14, the bottoms of the supporting legs 14 are all fixedly connected with a fixed seat 15, and the bottom of the fixed seat 15 is fixedly bonded with a rubber pad 16.
In this embodiment, the second control valve 17 is installed on the communication pipe 5, and is used for controlling connection and disconnection of the communication pipe 5.
In this embodiment, the communicating pipe 5 is fixedly sleeved with a sealing ring 18, and one side of the sealing ring 18 abuts against the bottom of the liquid storage tank 2 to prevent liquid from leaking.
In this embodiment, the liquid outlet 6 at the bottom end of the communicating pipe 5 is arranged at the side part of the bottom end.
The working principle is as follows: when in use, when the liquid level of the supplemented phosphorus oxychloride liquid rises and begins to submerge the liquid outlet hole 6 at the bottom end of the communicating pipe 5, because the airflow channel entering the liquid outlet hole 6 at the bottom end of the communicating pipe 5 is isolated, the liquid storage tank 2 immediately stops flowing to the reaction kettle 1, the liquid level is just equal to the set height, when the liquid level drops as soon as the phosphorus oxychloride is continuously evaporated, as soon as the liquid level is separated from the liquid outlet hole 6 at the bottom end of the communicating pipe 5, airflow enters the liquid storage tank 2 from the liquid outlet hole 6 at the bottom end of the communicating pipe 5, the liquid storage tank 2 immediately resumes flowing to the reaction kettle 1 to realize automatic liquid supplementation, meanwhile, chlorine enters the aeration pipe 8 through the air inlet pipe 7 and is then discharged from the aeration hole, the aeration hole increases the flow rate of the discharged airflow, promotes the rapid reaction of chlorine with the phosphorus oxychloride, thereby improving the production efficiency and the product quality of the phosphorus oxychloride, and simultaneously, the condition inside the liquid storage, the water suction pump 12 is convenient to start to fill phosphorus oxychloride into the liquid storage tank 2.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a high-purity phosphorus oxychloride safe feeding system, includes reation kettle (1), its characterized in that: the top of reation kettle (1) is equipped with liquid storage pot (2), liquid storage pot (2) passes through a plurality of bracing pieces (3) fixed connection with the top of reation kettle (1), the fixed intercommunication in top of liquid storage pot (2) has feed liquor pipe (4), the fixed intercommunication in bottom of liquid storage pot (2) has communicating pipe (5), the one end that liquid storage pot (2) were kept away from in communicating pipe (5) runs through the top of reation kettle (1) and inwards extends, the bottom of communicating pipe (5) is equipped with out liquid hole (6), the distance between the liquid hole (6) of communicating pipe (5) bottom apart from reation kettle (1) bottom is equal to the liquid level height of settlement in reation kettle (1) basically, the fixed intercommunication in bottom of reation kettle (1) one side has chlorine intake pipe (7), the one end of chlorine (7) runs through the intake pipe of reation kettle (1) and inwards extends, the chlorine gas inlet pipe (7) is fixedly communicated with an aeration pipe (8) at the extending end, and a plurality of aeration holes are formed in the aeration pipe (8) at equal intervals.
2. The safe feeding system of high-purity phosphorus oxychloride as claimed in claim 1, wherein: the bottom of the reaction kettle (1) is fixedly communicated with a material discharging pipe (9), and a first control valve (10) is installed on the material discharging pipe (9).
3. The safe feeding system of high-purity phosphorus oxychloride as claimed in claim 1, wherein: an observation window (11) is embedded in the surface of the liquid storage tank (2), and scale marks are arranged on the surface of the observation window (11).
4. The safe feeding system of high-purity phosphorus oxychloride as claimed in claim 1, wherein: the liquid inlet pipe (4) is provided with a water suction pump (12), and the water suction pump (12) is fixedly connected with the top of the liquid storage tank (2) through a mounting rack (13).
5. The safe feeding system of high-purity phosphorus oxychloride as claimed in claim 1, wherein: the bottom of reation kettle (1) is fixedly connected with a plurality of supporting legss (14), and is a plurality of the equal fixedly connected with fixing base (15) in bottom of supporting legss (14), rubber pad (16) are fixed to bond in the bottom of fixing base (15).
6. The safe feeding system of high-purity phosphorus oxychloride as claimed in claim 1, wherein: and a second control valve (17) is installed on the communicating pipe (5).
7. The safe feeding system of high-purity phosphorus oxychloride as claimed in claim 1, wherein: the communicating pipe (5) is fixedly sleeved with a sealing ring (18), and one side of the sealing ring (18) is abutted against the bottom of the liquid storage tank (2).
8. The safe feeding system of high-purity phosphorus oxychloride as claimed in claim 1, wherein: the liquid outlet hole (6) at the bottom end of the communicating pipe (5) is formed in the side portion of the bottom end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010404109.7A CN111545135A (en) | 2020-05-13 | 2020-05-13 | High-purity phosphorus oxychloride safe feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010404109.7A CN111545135A (en) | 2020-05-13 | 2020-05-13 | High-purity phosphorus oxychloride safe feeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111545135A true CN111545135A (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010404109.7A Pending CN111545135A (en) | 2020-05-13 | 2020-05-13 | High-purity phosphorus oxychloride safe feeding system |
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| CN (1) | CN111545135A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113731346A (en) * | 2021-09-23 | 2021-12-03 | 孙建惠 | Anhydrous formaldehyde processingequipment with structure is directly inhaled to solvent |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207287387U (en) * | 2017-07-12 | 2018-05-01 | 盐城国众化工有限公司 | A kind of new and effective chloroacetate reaction kettle device |
| CN207371510U (en) * | 2017-09-20 | 2018-05-18 | 南通利奥化工科技有限公司 | A kind of chlorinating container convenient for leading to chlorine and clearing up |
-
2020
- 2020-05-13 CN CN202010404109.7A patent/CN111545135A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207287387U (en) * | 2017-07-12 | 2018-05-01 | 盐城国众化工有限公司 | A kind of new and effective chloroacetate reaction kettle device |
| CN207371510U (en) * | 2017-09-20 | 2018-05-18 | 南通利奥化工科技有限公司 | A kind of chlorinating container convenient for leading to chlorine and clearing up |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113731346A (en) * | 2021-09-23 | 2021-12-03 | 孙建惠 | Anhydrous formaldehyde processingequipment with structure is directly inhaled to solvent |
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Application publication date: 20200818 |