CN202924736U - Novel device for producing phosphorus oxychloride - Google Patents
Novel device for producing phosphorus oxychloride Download PDFInfo
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- CN202924736U CN202924736U CN 201220519940 CN201220519940U CN202924736U CN 202924736 U CN202924736 U CN 202924736U CN 201220519940 CN201220519940 CN 201220519940 CN 201220519940 U CN201220519940 U CN 201220519940U CN 202924736 U CN202924736 U CN 202924736U
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- phosphorus oxychloride
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Abstract
A novel device for producing phosphorus oxychloride belongs to the fine chemical engineering field, and comprises a molten phosphorus tank, a molten phosphorus metering tank, an open tube vaporizer, a chlorine buffer tank, a chlorination kettle, a showering tower, an oxygen buffer tank, an oxidization kettle, a condenser and a phosphorus oxychloride storage tank, wherein a first centrifugal pump and a first pipeline are arranged between the molten phosphorus tank and the molten phosphorus metering tank; a second centrifugal pump and a second pipeline are arranged between the molten phosphorus metering tank and the chlorination kettle; a third pipeline is arranged between the open tube vaporizer and the chlorine buffer tank; a fourth pipeline is arranged between the chlorine buffer tank and the chlorination kettle; a fifth pipeline is arranged between the chlorination kettle and the showering tower; a sixth pipeline is arranged between the showering tower and the oxidization kettle; a seventh pipeline is arranged between the open tube vaporizer and the oxygen buffer tank; an eighth pipeline is arranged between the oxygen buffer tank and the oxidization kettle; a ninth pipeline is arranged between the oxidization kettle and the condenser; and a third centrifugal pump and a tenth pipeline are arranged between the condenser and the phosphorus oxychloride storage tank.
Description
Technical field
The utility model belongs to chemical field, relates in particular to a kind of new type mechanical device of producing phosphorus oxychloride.
Background technology
Phosphorus oxychloride, have another name called Phosphorus Oxychloride, phosphoryl chloride, phosphoryl chloride, phosphoryl chloride, molecular formula is POCl3, molecular weight is 153.33, is water white fuming liquid under room temperature, and pungent smell is arranged, it is fuming in damp atmosphere, be decomposed to form phosphoric acid and hydrogenchloride in water, ethanol, when large water gaging is poured into suddenly, vigorous reaction can occur.Phosphorus oxychloride is a kind of industrial chemicals, with water and alcohol reaction, generates phosphoric acid or phosphoric acid ester, if in reaction, alcohol replaces water, product is trialkyl phosphates, and this type of reaction is everlasting and is carried out in pyridine or amine, and to absorb the hydrogenchloride that generates, driving a reaction carries out; Under Manganous chloride tetrahydrate catalysis, phosphorus oxychloride with excessive phenol altogether heat obtain triaryl phosphate; Under aluminum chloride existed, phosphorus oxychloride and reaction of hydrogen bromide generated tribromo oxygen phosphorus.Phosphorus oxychloride is mainly used in phosphoric acid ester, plastic plasticizer, organophosphorus pesticide, the long-acting sulfanilamides such as preparing phosphoric acid hexichol-different monooctyl ester, triethyl phosphate; Also can be used as chlorizating agent, catalyzer, the fire retardant of dyestuff intermediate, organic synthesis; Electronic grade phosphorus oxytrichloride can be used for the liquid phosphorus such as sun power industry, unicircuit, discrete device, light prefabricated rods source; Be mainly used in the N-type doped source at semicon industry, best at 0 ℃ of reaction effect.The utility model is a kind of mechanism of producing phosphorus oxychloride, this device take phosphorus-melting groove, molten phosphorus scale tank, open type tubulation vaporizer, Chlorine Buffer Vessel, chlorination reaction still, wash and drench tower, oxygen surge tank, oxidizing reactor, phosphorus oxychloride storage tank as equipment, take yellow phosphorus, liquid chlorine, liquid phosphorus trichloride, liquid oxygen as raw material, by molten phosphorus, metering, liquid chlorine vaporization, buffering, chlorination, wash the operations such as pouring, vaporization of liquid oxygen, buffering, oxidation, condensation and make phosphorus oxychloride.The major advantage of this device production phosphorus oxychloride is: the equipment that uses as general-purpose equipment, raw material sources are abundant and price is low, with short production cycle, product purity is high, without toxic and harmful and liquid discharge, production and use all environmentally friendly, can be mass, the product phosphorus oxychloride that obtains is technical grade, and product as highly purified in need can obtain by the method for distillation.
Summary of the invention
The problem that the utility model mainly solves is to provide a kind of mechanism of suitability for industrialized production phosphorus oxychloride, this device take phosphorus-melting groove, molten phosphorus scale tank, open type tubulation vaporizer, Chlorine Buffer Vessel, chlorination reaction still, wash and drench tower, oxygen surge tank, oxidizing reactor, condenser, phosphorus oxychloride storage tank as equipment, take yellow phosphorus, liquid chlorine, liquid phosphorus trichloride, liquid oxygen as raw material, by molten phosphorus, metering, liquid chlorine vaporization, buffering, chlorination, wash the operations such as pouring, vaporization of liquid oxygen, buffering, oxidation, condensation and make phosphorus oxychloride.The advantage of this device is: the equipment that uses as general-purpose equipment, with short production cycle, product purity is high, without toxic and harmful and liquid discharge.
The technical solution adopted in the utility model is:
a kind of new device of producing phosphorus oxychloride comprises: phosphorus-melting groove 1, molten phosphorus scale tank 2, open type tubulation vaporizer 3, Chlorine Buffer Vessel 4, chlorination reaction still 5, wash and drench tower 6, oxygen surge tank 7, oxidizing reactor 8, condenser 9, phosphorus oxychloride basin 10, phosphorus-melting groove 1 is provided with yellow phosphorus import 11, power input end mouth 12, phosphorus-melting groove 1 is provided with the first impeller pump and the first pipeline 13 to 2 of molten phosphorus scale tanks, molten phosphorus scale tank 2 is provided with the second impeller pump and second pipe 14 to 5 of chlorination reaction stills, chlorination reaction still 5 is provided with phosphorus trichloride import 15, open type tubulation vaporizer 3 is provided with water inlet 16, steam inlet 17, liquid chlorine import 18, liquid oxygen import 19, open type tubulation vaporizer 3 is provided with the 3rd pipeline 20 to 4 of Chlorine Buffer Vessel, Chlorine Buffer Vessel 4 is provided with the 4th pipeline 21 to 5 of chlorination reaction stills, chlorination reaction still 5 is provided with the 5th pipeline 22 to washing 6, tower of pouring, wash pouring tower 6 and be provided with the 6th pipeline 23 to 8 of oxidizing reactor, oxidizing reactor 8 is provided with cooling water inlet 24, water out 25, open type tubulation vaporizer 3 is provided with the 7th pipeline 26 to 7 of oxygen surge tanks, oxygen surge tank 7 is provided with the 8th pipeline 27 to 8 of oxidizing reactor, oxidizing reactor 8 is provided with the 9th pipeline 28 to 9 of condensers, condenser 9 is provided with the 3rd impeller pump and the tenth pipeline 29 to 10 of phosphorus oxychloride basins.
Further technical scheme of the present utility model is:
Described whole impeller pump is the corrosion-resistant stainless steel impeller pump;
Described whole pipeline is corrosion-resistant polypropylene pipe.
The beneficial effects of the utility model are: a kind of new device of producing phosphorus oxychloride is provided, the advantage of this device is: the equipment that uses as general-purpose equipment, with short production cycle, product purity is high, without toxic and harmful and liquid discharge, can be mass, the product phosphorus oxychloride that obtains is technical grade, and product as highly purified in need can obtain by the method for distillation.
Description of drawings:
Fig. 1 is the utility model principle schematic.
Embodiment
Further illustrate the particular content that uses this new device production phosphorus oxychloride most preferred embodiment below in conjunction with accompanying drawing:
1. yellow phosphorus is sent into phosphorus-melting groove 1 by import 11, begin to heat by power input end mouth 12 input electric powers the temperature that makes in phosphorus-melting groove 1 and rise to 46-50 ℃, yellow phosphorus becomes molten state, the yellow phosphorus of melting is sent into molten phosphorus scale tank 2 by the first impeller pump and the first pipeline 13 stand-by.
2. water is sent into open type tubulation vaporizer 3 by import 16, steam by import 17, by the steam regulation by-pass valve control, keep water temperature 50 ℃ of left and right, send into liquid chlorine in the tube side of open type tubulation vaporizer 3 by import 18, make liquid chlorine fully be vaporized under the effect of warm water, chlorine after vaporization is sent into the interior buffering of Chlorine Buffer Vessel 4 by the 3rd pipeline 20 stand-by, to obtain the required smooth air of reaction, be convenient to regulate pressure and control speed of response.
3. the water temperature of regulating open type tubulation vaporizer 3 remains on 50 ℃ of left and right, send into liquid oxygen in the tube side of open type tubulation vaporizer 3 by import 19, make liquid oxygen fully be vaporized under the effect of warm water, the oxygen after vaporization is sent into the interior buffering of oxygen surge tank 7 by the 7th pipeline 26 stand-by.
4. quantitative phosphorus trichloride is sent into chlorination reaction still 5 by import 15 interior as bed material, start agitator, rotating speed is 10 rev/mins, then molten phosphorus is after metering sent into chlorination reaction still 5 by the second impeller pump and second pipe 14, again the chlorine Open valve in Chlorine Buffer Vessel 4 is sent into chlorination reaction still 5 slowly by the 4th pipeline 21, make molten phosphorus generation chlorination reaction, due to exothermic heat of reaction, reactor temperature constantly raises, be 65-75 ℃ by regulating logical chlorine dose control still interior reaction temperature this moment, and reaction obtains the phosphorus trichloride of steam state.
5. the phosphorus trichloride of steam state is sent into to wash by the 5th pipeline 22 and drench tower 6 after washing pouring, send into oxidizing reactor 8 by the 6th pipeline 23, send into slowly oxidizing reactor 8 with the oxygen in oxygen surge tank 7 by the 8th pipeline 27 this moment, its mol ratio is phosphorus trichloride: oxygen=1:1, make phosphorus trichloride generation oxidizing reaction, due to exothermic heat of reaction, send into the cold water cooling by water-in 24 to the reactor interlayer, control temperature in the kettle between 40-50 ℃, waste water is discharged by 25, reacted approximately 1.5 hours, and obtained the phosphorus oxychloride of steam state.
6. the phosphorus oxychloride of steam state is sent into condenser 9 by the 9th pipeline 28, phosphorus oxychloride all is converted into liquid after cooling, and deliver to the interior sealed storage of phosphorus oxychloride basin 10 by the 3rd impeller pump and the tenth pipeline 29 with the phosphorus oxychloride of liquid state and get final product this moment.
Claims (3)
1. a new device of producing phosphorus oxychloride, is characterized in that: comprise phosphorus-melting groove (1), molten phosphorus scale tank (2), open type tubulation vaporizer (3), Chlorine Buffer Vessel (4), chlorination reaction still (5), wash and drench tower (6), oxygen surge tank (7), oxidizing reactor (8), condenser (9), phosphorus oxychloride basin (10), phosphorus-melting groove (1) is provided with yellow phosphorus import (11), power input end mouth (12), phosphorus-melting groove (1) is to being provided with the first impeller pump and the first pipeline (13) between molten phosphorus scale tank (2), molten phosphorus scale tank (2) is to being provided with the second impeller pump and second pipe (14) between chlorination reaction still (5), chlorination reaction still (5) is provided with phosphorus trichloride import (15), open type tubulation vaporizer (3) is provided with water inlet (16), steam inlet (17), liquid chlorine import (18), liquid oxygen import (19), open type tubulation vaporizer (3) is provided with the 3rd pipeline (20) between Chlorine Buffer Vessel (4), Chlorine Buffer Vessel (4) is provided with the 4th pipeline (21) between chlorination reaction still (5), chlorination reaction still (5) is provided with the 5th pipeline (22) to washing to drench between tower (6), wash pouring tower (6) and be provided with the 6th pipeline (23) between oxidizing reactor (8), oxidizing reactor (8) is provided with cooling water inlet (24), water out (25), open type tubulation vaporizer (3) is provided with the 7th pipeline (26) between oxygen surge tank (7), oxygen surge tank (7) is provided with the 8th pipeline (27) between oxidizing reactor (8), oxidizing reactor (8) is provided with the 9th pipeline (28) between condenser (9), condenser (9) is to being provided with the 3rd impeller pump and the tenth pipeline (29) between phosphorus oxychloride basin (10).
2. a kind of new device of producing phosphorus oxychloride according to claim 1, it is characterized in that: described whole impeller pumps are the corrosion-resistant stainless steel impeller pump.
3. a kind of new device of producing phosphorus oxychloride according to claim 1, it is characterized in that: described whole pipelines are corrosion-resistant polypropylene pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519940 CN202924736U (en) | 2012-10-12 | 2012-10-12 | Novel device for producing phosphorus oxychloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519940 CN202924736U (en) | 2012-10-12 | 2012-10-12 | Novel device for producing phosphorus oxychloride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202924736U true CN202924736U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220519940 Expired - Fee Related CN202924736U (en) | 2012-10-12 | 2012-10-12 | Novel device for producing phosphorus oxychloride |
Country Status (1)
| Country | Link |
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| CN (1) | CN202924736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106495115A (en) * | 2016-02-01 | 2017-03-15 | 江西电化乐丰化工股份有限公司 | A kind of process units of phosphorus oxychloride and production method |
-
2012
- 2012-10-12 CN CN 201220519940 patent/CN202924736U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106495115A (en) * | 2016-02-01 | 2017-03-15 | 江西电化乐丰化工股份有限公司 | A kind of process units of phosphorus oxychloride and production method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20131012 |