CN202625857U - Tower-type graphite reactor used for continuous production of phosphorus oxychloride - Google Patents
Tower-type graphite reactor used for continuous production of phosphorus oxychloride Download PDFInfo
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- CN202625857U CN202625857U CN 201220242748 CN201220242748U CN202625857U CN 202625857 U CN202625857 U CN 202625857U CN 201220242748 CN201220242748 CN 201220242748 CN 201220242748 U CN201220242748 U CN 201220242748U CN 202625857 U CN202625857 U CN 202625857U
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Abstract
The utility model discloses a tower-type graphite reactor used for the continuous production of phosphorus oxychloride. The tower-type graphite reactor consists of a top tower section, a bottom tower section and a plurality of middle tower sections which are connected with one another, wherein the top tower section comprises an upper cylinder body, the top of the upper cylinder body is provided with an upper seal head, the upper cylinder body is provided with a liquid inlet, an air outlet, a backflow opening and a bursting disk opening, and a liquid inlet baffle is arranged on the inner side of the liquid inlet and in the cylinder body; each middle tower section comprises a middle cylinder body, the bottom of each middle cylinder body is provided with a tray, each tray is provided with a zigzag liquid overflow distributor, a liquid overflow downcomer device and a plurality of vertical through holes are arranged on each tray, and each vertical through hole is connected with a graphite pipe distributor of which the upper end is closed and the side surface is provided with a hole in a cementing mode; and the bottom tower section comprises a lower cylinder body, the bottom of the lower cylinder body is provided with a lower seal head, and the lower cylinder body is provided with an air inlet, a liquid outlet, an overflow liquid sealing groove and a bursting disk opening. The tower-type graphite reactor used for the continuous production of the phosphorus oxychloride has a reasonable structure and a good working performance.
Description
Technical field
The utility model relates to a kind of POCl3 serialization production and uses tower graphiote reactor.
Background technology
Existing POCl3 production technique is intermittence, caldron process mostly; Corresponding reactor drum basically all is an enamel reaction still; Major and minor still switches series operation; Wall scroll production line throughput is little, investment per unit capacity is high, material consumption and energy consumption high, labour intensity is high, floor space is many, the unstable product quality of production, is difficult for realizing control automatically; Also having part POCl3 production technique is still formula staged continuous processing or tower continuous processing; Corresponding reactor drum is enamel reaction still or enamel void tower, graphite heat exchanger etc.; Know according to the applicant; Shang Weiyou uses the graphite tower, and there is bigger improvement wall scroll production line throughput, investment per unit capacity, material consumption and aspects such as energy consumption, labour intensity than interrupter method, but Technological Economy level and the present invention have big gap.
Summary of the invention
It is a kind of rational in infrastructure that the purpose of the utility model is to provide, and the POCl3 serialization of favorable working performance is produced and used tower graphiote reactor.
The technical solution of the utility model is:
A kind of POCl3 serialization is produced and is used tower graphiote reactor, it is characterized in that: interconnected by top drum joint, bottom column joint and a plurality of inter-chamber tower joint and form; The top drum joint comprises upper shell, and the upper shell top is provided with upper cover, and fluid inlet, venting port, refluxing opening, rupture disk mouth are set on the upper shell, in the inboard cylindrical shell of fluid inlet the feed liquor baffle plate is set; Cylindrical shell in the middle of each inter-chamber tower joint comprises; Middle cylindrical shell bottom is provided with tower tray, and dress zig-zag liquid flooding sparger is provided with the liquid flooding downcomer means on the tower tray on the tower tray; Tower tray has some perpendicular through holes, glueds joint the carbon tube sparger of a upper end closed, side perforate on each vertical core; The bottom column joint comprises lower shell, and the lower shell bottom is provided with lower cover, and lower shell is provided with inlet mouth, liquid outlet, overflow fluid-tight chute, rupture disk mouth.
The liquid flooding downcomer means comprises downtake pipe and the water conservancy diversion protective tube that covers on the downtake pipe outside; The downtake pipe overhead height is a height of weir plate, that is tower joint holds the liquid height, and the downtake pipe bottom is stretched among next Jie Tajie; And tower tray 50-100mm from next Jie Tajie; The water conservancy diversion protective tube bottom in the downtake pipe outside has some shape gap, and water conservancy diversion protective tube bottom is connected with tower tray, and water conservancy diversion protective tube top exceeds downtake pipe.
Tower tray glueds joint through the boss inclined-plane of inclined-plane, the outside and lower inside.
In the intermediate cylinder body wall of each inter-chamber tower joint some axial circular holes are arranged, these circular holes cylindrical shell in the middle of each tower joint links to each other with separately busway respectively at two ends up and down, and dress graphite is taken on the busway, formation tower wall interchanger.
The intermediate cylinder height degree of each inter-chamber tower joint is 500-800mm.
Respectively save liquid flooding downtake pipe and zig-zag liquid flooding sparger position 180 degree that stagger in the inter-chamber tower joint, the liquid flooding downtake pipe of next joint inter-chamber tower joint is aimed at the overflow fluid-tight chute of setting in the bottom column joint.
The zig-zag liquid flooding sparger of going up most a joint in cat head feed liquor baffle plate and the inter-chamber tower joint is positioned at the same side.
The upper shell of top drum joint is provided with temperature-measuring port, pressure taps; The middle cylindrical shell of inter-chamber tower joint is provided with temperature-measuring port, discharging hole; The lower shell of bottom column joint is provided with temperature-measuring port, pressure taps.
The utility model is rational in infrastructure; Improve POCl3 wall scroll production line throughput, reduction investment, the consumption that reduces phosphorus trichloride and oxygen, shortening reaction times, cut down the consumption of energy, alleviated labor strength; Solve etching problem, realize full automatic control, improve the quality of products; Improve the essential safety safety simultaneously, thereby improve each item Technological Economy level.
Compared with prior art; The utility model adopts intermittently, the wall scroll production line throughput of caldron process can improve ten several times; Aspects such as corresponding investment per unit capacity, material consumption and energy consumption, labour intensity, floor space descend significantly; Quality product obviously improves, and can realize full automatic control, and single ton of production cost can descend more than 100 yuan to hundreds of units; Adopt the wall scroll production line throughput of still formula staged continuous processing or void tower formula continuous processing can improve several times; Corresponding wall scroll production line investment per unit capacity, material consumption and energy consumption, labour intensity also have bigger improvement; Quality product and automatic control level are improved, and single ton of production cost can descend more than hundred yuan.Improved the essential safety reliability of production equipment simultaneously.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the top plan view of Fig. 1.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the B-B sectional view of Fig. 2.
Embodiment
A kind of POCl3 serialization is produced and is used tower graphiote reactor, is interconnected by top drum joint, bottom column joint and a plurality of inter-chamber tower joint and forms; The top drum joint comprises upper shell 3, and the upper shell top is provided with upper cover 5, and fluid inlet 1, venting port 6, refluxing opening 9, rupture disk mouth 4, temperature-measuring port 8, pressure taps 7 are set on the upper shell, in the inboard cylindrical shell of fluid inlet feed liquor baffle plate 2 is set; Cylindrical shell 11 in the middle of each inter-chamber tower joint comprises; Middle cylindrical shell bottom is provided with tower tray 18; Dress zig-zag liquid flooding sparger 12 is provided with the liquid flooding downcomer means on the tower tray on the tower tray, and tower tray has some perpendicular through holes; Glued joint the carbon tube sparger 17 of a upper end closed, side perforate on each vertical core, middle cylindrical shell is provided with temperature-measuring port 8, discharging hole 16a, 16b; The liquid flooding downcomer means comprises downtake pipe 14 and the water conservancy diversion protective tube that covers on the downtake pipe outside; The downtake pipe overhead height is a height of weir plate, that is tower joint holds the liquid height, and the downtake pipe bottom is stretched among next Jie Tajie; And tower tray 50-100mm from next Jie Tajie; The water conservancy diversion protective tube bottom in the downtake pipe outside has some shape gap, and water conservancy diversion protective tube bottom is connected with tower tray, and water conservancy diversion protective tube top exceeds about downtake pipe 50mm.Tower tray glueds joint through the boss inclined-plane of inclined-plane, the outside and lower inside.
In the intermediate cylinder body wall of each inter-chamber tower joint some axial circular holes 13 are arranged, these circular holes cylindrical shell in the middle of each tower joint links to each other with separately busway 10a, 10b respectively at two ends up and down, and dress graphite is taken over 15a, 15b on the busway, formation tower wall interchanger.The intermediate cylinder height degree of each inter-chamber tower joint is 500-800mm.
Respectively save liquid flooding downtake pipe and zig-zag liquid flooding sparger position 180 degree that stagger in the inter-chamber tower joint, the liquid flooding downtake pipe of next joint inter-chamber tower joint is aimed at the overflow fluid-tight chute 21 of setting in the bottom column joint.
The bottom column joint comprises lower shell 20, and the lower shell bottom is provided with lower cover 23, and lower shell is provided with inlet mouth 19, liquid outlet 22, overflow fluid-tight chute 21, rupture disk mouth 4b, temperature-measuring port 8b, pressure taps 7b.
The zig-zag liquid flooding sparger of going up most a joint in cat head feed liquor baffle plate and the inter-chamber tower joint is positioned at the same side.
Phosphorus trichloride mat no-leakage pump is sent into tower graphiote reactor continuously from storage tank and is gone up a joint tower tray most; Certainly flow into next tower tray from this tower tray step by step downwards through zig-zag overflow sparger and overflow downtake pipe; Carry out contact oxidation with the oxygen that at the bottom of tower, feeds at each tower tray; At the bottom of tower, the phosphorus trichloride overwhelming majority is converted into POCl3, gravity flow or store or high-purity POCl3 is produced in rectifying tower rectifying with pump delivery to POCl3 storage tank.Oxygen feeds graphiote reactor continuously at the bottom of tower; Disperse step by step to react from the gas distributor of each piece tower tray with phosphorus trichloride; To cat head; Oxygen can the overwhelming majority be absorbed by phosphorus trichloride, and micro-tail gas reclaims the phosphorus trichloride of taking out of through condenser condenses and returns tower, last tail gas qualified discharge after water washing.Control on the tower trays at different levels temperature of reaction at 60-70 ℃ through the cooling water inflow that regulates every joint tower wall water cooler.In order to improve reaction efficiency, can phosphorus trichloride be preheated to and be no more than 70 ℃ and advance tower.
Claims (8)
1. a POCl3 serialization is produced and is used tower graphiote reactor, it is characterized in that: interconnected by top drum joint, bottom column joint and a plurality of inter-chamber tower joint and form; The top drum joint comprises upper shell, and the upper shell top is provided with upper cover, and fluid inlet, venting port, refluxing opening, rupture disk mouth are set on the upper shell, in the inboard cylindrical shell of fluid inlet the feed liquor baffle plate is set; Cylindrical shell in the middle of each inter-chamber tower joint comprises; Middle cylindrical shell bottom is provided with tower tray, and dress zig-zag liquid flooding sparger is provided with the liquid flooding downcomer means on the tower tray on the tower tray; Tower tray has some perpendicular through holes, glueds joint the carbon tube sparger of a upper end closed, side perforate on each vertical core; The bottom column joint comprises lower shell, and the lower shell bottom is provided with lower cover, and lower shell is provided with inlet mouth, liquid outlet, overflow fluid-tight chute, rupture disk mouth.
2. POCl3 serialization according to claim 1 is produced and is used tower graphiote reactor; It is characterized in that: the liquid flooding downcomer means comprises downtake pipe and the water conservancy diversion protective tube that covers on the downtake pipe outside; The downtake pipe overhead height is a height of weir plate, that is tower joint holds the liquid height, and the downtake pipe bottom is stretched among next Jie Tajie; And tower tray 50-100mm from next Jie Tajie; The water conservancy diversion protective tube bottom in the downtake pipe outside has some shape gap, and water conservancy diversion protective tube bottom is connected with tower tray, and water conservancy diversion protective tube top exceeds downtake pipe.
3. POCl3 serialization according to claim 1 and 2 is produced and used tower graphiote reactor, it is characterized in that: tower tray glueds joint through the boss inclined-plane of inclined-plane, the outside and lower inside.
4. POCl3 serialization according to claim 1 and 2 is produced and is used tower graphiote reactor; It is characterized in that: in the intermediate cylinder body wall of each inter-chamber tower joint some axial circular holes are arranged; These circular holes cylindrical shell in the middle of each tower joint links to each other with separately busway respectively at two ends up and down; Dress graphite is taken on the busway, forms tower wall interchanger.
5. POCl3 serialization according to claim 1 and 2 is produced and used tower graphiote reactor, it is characterized in that: the intermediate cylinder height degree of each inter-chamber tower joint is 500-800mm.
6. POCl3 serialization according to claim 1 and 2 is produced and is used tower graphiote reactor; It is characterized in that: respectively save liquid flooding downtake pipe and zig-zag liquid flooding sparger position 180 degree that stagger in the inter-chamber tower joint, the liquid flooding downtake pipe of next joint inter-chamber tower joint is aimed at the overflow fluid-tight chute of setting in the bottom column joint.
7. POCl3 serialization according to claim 6 is produced and used tower graphiote reactor, it is characterized in that: the zig-zag liquid flooding sparger of going up a joint in cat head feed liquor baffle plate and the inter-chamber tower joint most is positioned at the same side.
8. POCl3 serialization according to claim 1 and 2 is produced and used tower graphiote reactor, it is characterized in that: the upper shell of top drum joint is provided with temperature-measuring port, pressure taps; The middle cylindrical shell of inter-chamber tower joint is provided with temperature-measuring port, discharging hole; The lower shell of bottom column joint is provided with temperature-measuring port, pressure taps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220242748 CN202625857U (en) | 2012-05-28 | 2012-05-28 | Tower-type graphite reactor used for continuous production of phosphorus oxychloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220242748 CN202625857U (en) | 2012-05-28 | 2012-05-28 | Tower-type graphite reactor used for continuous production of phosphorus oxychloride |
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| Publication Number | Publication Date |
|---|---|
| CN202625857U true CN202625857U (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220242748 Expired - Fee Related CN202625857U (en) | 2012-05-28 | 2012-05-28 | Tower-type graphite reactor used for continuous production of phosphorus oxychloride |
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| CN (1) | CN202625857U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226221A (en) * | 2013-06-07 | 2014-12-24 | 瓮福（集团）有限责任公司 | Graphite tower section |
| CN106140064A (en) * | 2016-05-27 | 2016-11-23 | 南通科兴石墨设备有限公司 | A kind of graphiote reactor |
| CN110779376A (en) * | 2019-11-15 | 2020-02-11 | 南通三圣石墨设备科技股份有限公司 | Disc type shower |
-
2012
- 2012-05-28 CN CN 201220242748 patent/CN202625857U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226221A (en) * | 2013-06-07 | 2014-12-24 | 瓮福（集团）有限责任公司 | Graphite tower section |
| CN106140064A (en) * | 2016-05-27 | 2016-11-23 | 南通科兴石墨设备有限公司 | A kind of graphiote reactor |
| CN110779376A (en) * | 2019-11-15 | 2020-02-11 | 南通三圣石墨设备科技股份有限公司 | Disc type shower |
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| 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: 20121226 Termination date: 20140528 |