CN202214221U - Phosphorus oxychloride purification device - Google Patents
Phosphorus oxychloride purification device Download PDFInfo
- Publication number
- CN202214221U CN202214221U CN2011202494440U CN201120249444U CN202214221U CN 202214221 U CN202214221 U CN 202214221U CN 2011202494440 U CN2011202494440 U CN 2011202494440U CN 201120249444 U CN201120249444 U CN 201120249444U CN 202214221 U CN202214221 U CN 202214221U
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- pocl3
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- tower kettle
- purifying
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Abstract
The utility model provides a phosphorus oxychloride purification device, which comprises a tower kettle cylinder body (3) provided with a material inlet pipe (32) and a deslagging pipe (33), a heater connected with the tower kettle cylinder body (3) to heat the tower kettle cylinder body, a rectification column (4) communicated with the tower kettle cylinder body (3), a condenser communicated with the rectification column (4) through a connection pipe (5), and a ventilation hood. An air outlet channel of the ventilation hood is provided with an absorption tower (63) for accommodating alkali liquid. A pipe opening of the material inlet pipe (32), a pipe opening of the deslagging pipe (33) and a finished product output (63) of the condenser (6) are all arranged in the ventilation hood. The phosphorus oxychloride purification device reduces environmental pollution generated during the phosphorus oxychloride purification processes.
Description
Technical field
The utility model relates to the equipment for purifying technical field, more particularly, relates to a kind of POCl3 equipment for purifying.
Background technology
At present; The purification of domestic high-purity POCl3 mainly is to be main raw material with yellow phosphorus, chlorine; In the process of producing, respectively yellow phosphorus and chlorine are carried out the removal of impurities purification, yellow phosphorus after purifying through removal of impurities and the synthetic phosphorus trichloride of chlorine reaction; After the phosphorus trichloride impurity elimination is purified again with purify after chlorine, high purity water synthesizes POCl3.POCl3 obtains the purified POCl3 through refluxing, slightly heating up in a steamer, and the rectifying of purified POCl3 is obtained high-purity POCl3.
In the still-process of above-mentioned POCl3, the feed(raw material)inlet in the whole distillation plant, product outlet, slag-drip opening all and atmosphere can produce the gas that pollutes in the process of producing, cause the pollution of environment.
In addition, distillation plant is in the pyritous environment and distills in the above-mentioned production process, and entire equipment has the hidden danger that bursts owing to receive the pyritous influence, in case equipment bursts, the liquid that blast is come out can injure operator.
Therefore, how a kind of POCl3 equipment for purifying is provided, the waste gas that produces in the reduction POCl3 purification process is present those skilled in the art's problem demanding prompt solution to the pollution of environment.
The utility model content
In view of this, the utility model provides a kind of POCl3 equipment for purifying, has reduced the pollution to environment of the waste gas that produces in the purification process.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of POCl3 equipment for purifying comprises:
Which is provided with the tower kettle barrel of feed-pipe and scum pipe;
Link to each other with said tower kettle barrel, to its well heater that heats;
The rectifying volumn that is connected with said tower kettle barrel;
The condensing surface that is connected through pipe connecting with said rectifying volumn; Also comprise Fume Hoods, its exhaust passage is provided with the absorption tower that holds alkali lye;
The product outlet of the mouth of pipe of said feed-pipe, the mouth of pipe of scum pipe and said condensing surface all is located in the said Fume Hoods.
Preferably, in the above-mentioned POCl3 equipment for purifying, said rectifying volumn comprises rectifying volumn body, the sieve plate that sets within it and is arranged on the filler on the sieve plate.
Preferably, in the above-mentioned POCl3 equipment for purifying, glasscloth has all been wrapped up on the surface of said tower kettle barrel, rectifying volumn and condensing surface.
Preferably, in the above-mentioned POCl3 equipment for purifying, said glasscloth is wrapped with insulating cotton.
Preferably, in the above-mentioned POCl3 equipment for purifying, the thickness of said insulating cotton is 10mm.
Preferably, in the above-mentioned POCl3 equipment for purifying, said tower kettle barrel is the quartz towers kettle barrel, and said rectifying volumn is quartzy rectifying volumn; Said condensing surface is quartzy condensing surface, and said pipe connecting is quartzy pipe connecting.
Preferably, in the above-mentioned POCl3 equipment for purifying, said well heater comprises electric heating tube that is arranged on said tower kettle barrel inside and the heating power supply that is electrically connected with said electric heating tube.
Preferably, in the above-mentioned POCl3 equipment for purifying, also comprise:
Be arranged in the said tower kettle barrel, detect the TP of its internal temperature;
Link to each other with said TP, and control the unit of the output voltage of said heating power supply according to the detection signal of said TP.
Preferably, in the above-mentioned POCl3 equipment for purifying, said filler is a cylindrical pad.
Preferably, in the above-mentioned POCl3 equipment for purifying, said filler is a quartz filler.
In the POCl3 equipment for purifying that present embodiment provides, during to outside deslagging, all can produce the waste gas of contaminate environment through scum pipe in the said process to the feed-pipe charging of tower kettle barrel or tower kettle barrel; Discharge through condenser condenses and from product outlet in the process of high purity POCl3 and equally also can produce waste gas.The product outlet of the mouth of pipe of the feed-pipe of above-mentioned tower kettle barrel, the mouth of pipe of scum pipe and condensing surface all is arranged in the Fume Hoods; Alkali lye in this Fume Hoods in the absorption tower absorbs the waste gas of above-mentioned generation; Be discharged in the atmosphere then, thereby avoided the objectionable impurities in the waste gas to get into atmosphere.The waste gas that the POCl3 equipment for purifying that the utility model provides has reduced to produce in the purification process is to the pollution of environment.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the POCl3 equipment for purifying that Fig. 1 provides for the utility model embodiment.
Among Fig. 1:
Heating power supply 1, electric heating tube 2, tower kettle barrel 3, subsequent use feed and exhaust tube 31, feed-pipe 32, scum pipe 33, rectifying volumn 4, tip temperature meter socket 41, bottom TM socket 42, sieve plate 43, filler 44, pipe connecting 5, condensing surface 6, cooling water outlet 61, cooling water inlet 62, product outlet 63.
Embodiment
The utility model provides a kind of POCl3 equipment for purifying, has reduced the pollution to environment of the waste gas that produces in the POCl3 purification process.
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to accompanying drawing 1, the structural representation of the POCl3 equipment for purifying that Fig. 1 provides for the utility model embodiment.
The POCl3 equipment for purifying that present embodiment provides comprises tower kettle barrel 3, well heater, rectifying volumn 4, condensing surface 6 and Fume Hoods (not shown); Wherein:
Tower kettle barrel 3 is provided with feed-pipe 32 and scum pipe 33, and POCl3 to be purified is injected in the tower kettle barrel 3 through feed-pipe 32 in the process of purifying, and the waste liquid that produces through the back of purifying is discharged from through scum pipe 33;
Well heater links to each other with tower kettle barrel 3, is used in the process of purifying the POCl3 to be purified in the tower kettle barrel 3 being heated;
Rectifying volumn 4 communicates with tower kettle barrel 3, and the POCl3 gas of purifying of treating after the heating enters into rectifying volumn 4 and carries out fractionation;
Said rectifying volumn 4 links to each other with condensing surface 6 through pipe connecting 5, enters into condensing surface 6 through rectifying volumn 4 distillatory POCl3s and carries out condensation, and the high purity POCl3 that finally obtains is discharged from the product outlet of condensing surface 6;
The exhaust passage of Fume Hoods (not shown) is provided with the absorption tower, is contained with alkali lye in this absorption tower, can react with the waste gas that produces in the purification process, thereby realize the absorption to objectionable impurities;
The product outlet 63 of the mouth of pipe of the feed-pipe 32 of tower kettle barrel 3, the mouth of pipe of scum pipe 33 and condensing surface 6 all is arranged in the Fume Hoods.
In the POCl3 equipment for purifying that provides in the present embodiment; POCl3 that will be to be purified in the process of work joins in the tower kettle barrel 3; And the gaseous state POCl3 enters into rectifying volumn 4 and carries out rectifying under the heat effect of heating installation; Enter into condensing surface 6 through pipe connecting 5 then, and in condensing surface 6, be condensed into highly purified POCl3, and finally discharge through product outlet 63.The POCl3 equipment for purifying that present embodiment provides during to outside deslagging, all can produce the waste gas of contaminate environment through scum pipe 33 to feed-pipe 32 chargings of tower kettle barrel 3 or tower kettle barrel 3 in the said process; In the process of discharging the high purity POCl3 through condensing surface 6 and from product outlet 63, equally also can produce waste gas.The product outlet 63 of the mouth of pipe of the feed-pipe 21 of above-mentioned tower kettle barrel 3, the mouth of pipe of scum pipe 33 and condensing surface all is arranged in the Fume Hoods, and the alkali lye in the absorption tower in this Fume Hoods absorbs the waste gas of above-mentioned generation, is discharged in the atmosphere then.The POCl3 equipment for purifying that the utility model provides has reduced the pollution to environment of the waste gas that produces in the purification process.
The sieve plate 43 that in the POCl3 equipment for purifying that provides in the present embodiment, rectifying volumn 4 comprises the rectifying volumn body, set within it and be arranged on the filler 44 on the sieve plate 43.The rectifying volumn 4 that provides in the present embodiment is a kind of material filling type rectifying volumn, and sieve plate 43 combines with filler 44, has improved the vapor-liquid separation effect, has prevented the generation of phenomenons such as bumping, general liquid.Present embodiment can also adopt other forms of rectifying volumn, for example board-like rectifying volumn etc.
In the POCl3 equipment for purifying that provides in the present embodiment, glasscloth has all been wrapped up on the surface of tower kettle barrel 3, rectifying volumn 4 and condensing surface 6, has prevented that entire equipment from bursting the hidden danger that liquid that blast comes out is hurted sb.'s feelings.
In order further to optimize technique scheme, above-mentioned glasscloth is wrapped with insulating cotton, and each link in the entire equipment is incubated, and guarantees the height that distillatory steam rises, and reaches the purpose of multiple fractionation.Preferably, the thickness of above-mentioned glasscloth is 10mm.
In the POCl3 equipment for purifying that provides in the foregoing description, tower kettle barrel 3 is the quartz towers kettle barrel, and rectifying volumn 4 is quartzy rectifying volumn; Condensing surface 6 is quartzy condensing surface; Pipe connecting 5 is quartzy pipe connecting, and promptly above-mentioned tower kettle barrel 3, rectifying volumn 4, condensing surface 6 are processed by quartz material, the quartz material stable in properties, high temperature resistant, the coefficient of expansion is little; Most compounds, simple substance all do not react with it, have slowed down the being corroded property of equipment.
In the POCl3 equipment for purifying that provides in the present embodiment, well heater is used for the inner materials (POCl3 to be purified) of tower kettle barrel 3 are heated, if can be realize heating function heating unit all within the protection domain of this patent.Provide a kind of well heater to comprise electric heating tube 2 and heating power supply 1 in the present embodiment, wherein: electric heating tube 2 is arranged in the tower kettle barrel 3, and is electrically connected with heating power supply 1.In order further to optimize technique scheme, above-mentioned well heater also comprises TP and unit, and wherein: TP is arranged in the tower kettle barrel 3; Be used to detect tower kettle barrel 3 internal temperatures; Unit links to each other with TP, and according to the output voltage of the detection signal of TP control heating power supply 1, the temperature of the well heater in the present embodiment in can control tower kettle barrel 3; And then can regulate rectifying reflux ratio size, make reflux ratio reach optimal state.
In the POCl3 equipment for purifying that provides in the foregoing description, the filler 44 preferred cylindrical pad that adopt improve the vapor-liquid separation contact area.Preferably, above-mentioned filler 44 is a quartz filler.
In the POCl3 equipment for purifying that provides in the present embodiment, preferred, the quantity of sieve plate 43 is 30.More preferred, be distributed in the rectifying volumn 4 to above-mentioned sieve plate 43 preferred homogeneous.
Be provided with tip temperature meter socket 41 on the top of rectifying volumn 4 in the present embodiment, the bottom is provided with bottom TM socket 42, is convenient to the laying temperature meter temperature in the rectifying volumn 4 is detected.Also be provided with subsequent use feed and exhaust tube 31 on the tower kettle barrel 3, convenient under the situation that feed-pipe 32 or scum pipe 33 are damaging in tower kettle barrel 3 charging or from tower kettle barrel 3 outside deslagging.
Bottom and top that cooling water inlet 62 in the condensing surface 6 that provides in the present embodiment and cooling water outlet 61 lay respectively at condensing surface 6.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. POCl3 equipment for purifying comprises:
Which is provided with the tower kettle barrel (3) of feed-pipe (32) and scum pipe (33);
Link to each other with said tower kettle barrel (3), to its well heater that heats;
The rectifying volumn (4) that is connected with said tower kettle barrel (3);
The condensing surface (6) that is connected through pipe connecting (5) with said rectifying volumn (4); It is characterized in that also comprise Fume Hoods, its exhaust passage is provided with the absorption tower that holds alkali lye;
The product outlet (63) of the mouth of pipe of the mouth of pipe of said feed-pipe (32), scum pipe (33) and said condensing surface (6) all is located in the said Fume Hoods.
2. POCl3 equipment for purifying according to claim 1 is characterized in that, the sieve plate (43) that said rectifying volumn (4) comprises the rectifying volumn body, set within it and be arranged on the filler (44) on the sieve plate (43).
3. according to claim 1 or 2 described POCl3 equipment for purifying, it is characterized in that glasscloth has all been wrapped up on the surface of said tower kettle barrel (3), rectifying volumn (4) and condensing surface (6).
4. POCl3 equipment for purifying according to claim 3 is characterized in that said glasscloth is wrapped with insulating cotton.
5. POCl3 equipment for purifying according to claim 4 is characterized in that, the thickness of said insulating cotton is 10mm.
6. POCl3 equipment for purifying according to claim 1 is characterized in that, said tower kettle barrel (3) is the quartz towers kettle barrel, and said rectifying volumn (4) is quartzy rectifying volumn; Said condensing surface (6) is quartzy condensing surface, and said pipe connecting (5) is quartzy pipe connecting.
7. POCl3 equipment for purifying according to claim 1 is characterized in that, said well heater comprises electric heating tube (2) that is arranged on said tower kettle barrel (3) inside and the heating power supply (1) that is electrically connected with said electric heating tube (2).
8. POCl3 equipment for purifying according to claim 7 is characterized in that, also comprises:
Be arranged in the said tower kettle barrel (3), detect the TP of its internal temperature;
Link to each other with said TP, and control the unit of the output voltage of said heating power supply (1) according to the detection signal of said TP.
9. POCl3 equipment for purifying according to claim 2 is characterized in that, said filler (44) is a cylindrical pad.
10. POCl3 equipment for purifying according to claim 9 is characterized in that, said filler (44) is a quartz filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202494440U CN202214221U (en) | 2011-07-15 | 2011-07-15 | Phosphorus oxychloride purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202494440U CN202214221U (en) | 2011-07-15 | 2011-07-15 | Phosphorus oxychloride purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202214221U true CN202214221U (en) | 2012-05-09 |
Family
ID=46013487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202494440U Expired - Fee Related CN202214221U (en) | 2011-07-15 | 2011-07-15 | Phosphorus oxychloride purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202214221U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104353259A (en) * | 2014-11-04 | 2015-02-18 | 李桂芳 | Combined rectifying column and application thereof |
| CN104623967A (en) * | 2015-02-06 | 2015-05-20 | 北京凯德石英有限公司 | Primary filtering device, manufacturing method of primary filtering device and quartz glass purifying device |
| CN105016320A (en) * | 2015-07-10 | 2015-11-04 | 江阴江化微电子材料股份有限公司 | Continuous refinement system and technology of ultra-pure phosphorus oxychloride of 5N grade |
| CN111617509A (en) * | 2020-04-11 | 2020-09-04 | 宿州汉泰化工有限公司 | Electronic grade phosphorus oxychloride purification equipment |
-
2011
- 2011-07-15 CN CN2011202494440U patent/CN202214221U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104353259A (en) * | 2014-11-04 | 2015-02-18 | 李桂芳 | Combined rectifying column and application thereof |
| CN104353259B (en) * | 2014-11-04 | 2016-04-27 | 李桂芳 | Combined type rectifying column and application thereof |
| CN104623967A (en) * | 2015-02-06 | 2015-05-20 | 北京凯德石英有限公司 | Primary filtering device, manufacturing method of primary filtering device and quartz glass purifying device |
| CN105016320A (en) * | 2015-07-10 | 2015-11-04 | 江阴江化微电子材料股份有限公司 | Continuous refinement system and technology of ultra-pure phosphorus oxychloride of 5N grade |
| CN111617509A (en) * | 2020-04-11 | 2020-09-04 | 宿州汉泰化工有限公司 | Electronic grade phosphorus oxychloride purification equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20140715 |
|
| EXPY | Termination of patent right or utility model |