CN204550063U - Forced water circulation thermal phosphoric acid waste-heat recovery device - Google Patents
Forced water circulation thermal phosphoric acid waste-heat recovery device Download PDFInfo
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- CN204550063U CN204550063U CN201520241393.5U CN201520241393U CN204550063U CN 204550063 U CN204550063 U CN 204550063U CN 201520241393 U CN201520241393 U CN 201520241393U CN 204550063 U CN204550063 U CN 204550063U
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- water
- phosphoric
- circulation tube
- recycle pump
- furnace
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
A kind of forced water circulation thermal phosphoric acid waste-heat recovery device, relate to energy recovery reutilization technology field, comprise drum, phosphoric furnace and recycle pump, drum top is provided with water supplement port and vapour outlet, drum bottom is provided with downtake, downtake and recycle pump, recycle pump is communicated with and distributes header, distribute header and connect into mouth of a river A and water inlet B respectively, water inlet A communication loop water cavity, water inlet B connects circulation tube, circulation tube is spiral-shaped and a circulation tube part is placed in phosphoric furnace, another part circulation tube is placed in circulating water cavity, during phosphoric furnace internal-response, water can enter distribution header after recycle pump supercharging, by distribution header water inputted circulating water cavity respectively and circulation tube circulates.Cooling system and residual neat recovering system run simultaneously, can reduce the temperature of phosphoric furnace wall, can realize id reaction pick up the heat again, and the use of recycle pump considerably increases again the speed of circulation of recirculated water, achieve the object of cooling and heat recuperation efficiently.
Description
technical field:
the utility model relates to energy recovery reutilization technology field, is specifically related to a kind of forced water circulation thermal phosphoric acid waste-heat recovery device.
background technology:
Phosphoric acid is a kind of important industrial chemicals and intermediate, can be used for manufacturing phosphate fertilizer and various phosphoric acid salt, and the high-purity phosphoric acid through purifying is also for industry such as food, medicine, electronics.The production of thermal phosphoric acid mainly comprises aquation 3 independently technical process of ore smelting, yellow phosphorus burning and P4O10 gas.Wherein in yellow phosphorus burning flow process, first solid yellow phosphorus is heated by steam and is melted to liquid state in phosphorus-melting groove, then melting phosphorus is through nozzle atomization, fully mix with the air entered by air intake pipe, P4O10 gas is generated at combustion chamber vigorous combustion, release large calorimetric simultaneously, even if coefficient of excess air reaches 1.5, burning of gas temperatures as high more than 1700 DEG C.High temperature phosphorous steam and polymkeric substance thereof have extremely strong corrodibility to the production unit such as combustion tower, interchanger in addition, and this corrodibility raises with temperature and aggravates.For preventing this corrosion and destruction in technique, usually all use a large amount of dilute phosphoric acid or water coolant to make the temperature of combustion tower and interchanger wall control below 80 DEG C, this part low grade heat energy taken away by water or phosphoric acid is difficult to further utilization.Simultaneously for ensureing flowing and the spray burning of yellow phosphorus, it must be made to be in liquid phase state, therefore to need configure dedicated coal firing boiler to supply steam, in addition in order to cooling circulating water or phosphoric acid, also must be equipped with a series of devices such as blower fan, pump, interchanger.This one side requires outside heat supply, and the phenomenon of wasting again own combustion heat is on the other hand ubiquitous problem in current phosphorous acid production by BEP.
summary of the invention:
The purpose of this utility model is the weak point existed to overcome above-mentioned prior art, and provides a kind of forced water circulation thermal phosphoric acid waste-heat recovery device, and it is easy to use, simple to operate, be easy to large-scale promotion application.
The technical solution adopted in the utility model is: a kind of forced water circulation thermal phosphoric acid waste-heat recovery device, comprise drum, phosphoric furnace and recycle pump, drum top is provided with water supplement port and vapour outlet, drum bottom is provided with downtake, downtake is connected with recycle pump side, recycle pump opposite side is communicated with and distributes header side, distribute header opposite side and connect into mouth of a river A and water inlet B respectively, water inlet A communication loop water cavity, circulating water cavity is placed between outer wall and phosphoric furnace and outer wall is placed in phosphoric furnace outside, pedestal is provided with bottom outer wall, pedestal top is provided with support skirt, support skirt top and be provided with phosphoric furnace, spray gun adapter is provided with in the middle part of phosphoric furnace, described spray gun is taken over one end and is communicated with phosphoric furnace inside, the spray gun adapter the other end is placed in outer wall outside, phosphoric furnace top is provided with gas fairlead and gas fairlead is communicated with outer wall outside, water inlet B connects circulation tube side, described circulation tube is spiral-shaped and a circulation tube part is placed in phosphoric furnace inside, circulation tube another part is through phosphoric furnace and another part circulation tube is placed in circulating water cavity, the opposite side of circulation tube is connected with carbonated drink outlet, carbonated drink outlet is communicated with drum, the right side of carbonated drink outlet is provided with recirculated water outlet, and described recirculated water outlet one end connects drum bottom, recirculated water outlet the other end communication loop water cavity.
Described circulation tube number is at least one.
Beneficial aspects of the present utility model: melting phosphorus and air are taken over by spray gun and entered phosphoric furnace inside and react, now water can enter recycle pump from downtake and by entering distribution header after recycle pump supercharging, after current being distributed by distribution header, water is inputted water inlet A and water inlet B respectively, water inlet A communication loop water cavity, water will carry out circulating and export in drum by recirculated water outlet in circulating water cavity, the temperature of phosphoric furnace wall is reduced with this, water in water inlet B will flow into circulation tube, now, the water flowing into circulation tube can by the heat of phosphoric furnace inside to steam-water mixing state, then this steam water interface can be back to inside steam drum by carbonated drink outlet, carbonated drink can be separated by drum, steam can be discharged by vapour outlet, water can continue to flow into recycle pump through downtake and circulate next time, drum top is provided with water supplement port, recirculated water is supplemented by water supplement port when recirculated water is not enough.The two cover recycle systems, a set of cooling system, a set of residual neat recovering system runs simultaneously, the temperature of phosphoric furnace wall can be reduced, can realize id reaction pick up the heat again, the use of recycle pump considerably increases again the speed of circulation of recirculated water, reduces the temperature of phosphoric furnace wall efficiently.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is sectional view of the present utility model.
embodiment:
With reference to each figure, a kind of forced water circulation thermal phosphoric acid waste-heat recovery device, comprise drum 3, phosphoric furnace 11 and recycle pump 16, drum 3 top is provided with water supplement port 1 and vapour outlet 2, drum 3 bottom is provided with downtake 17, downtake 17 is connected with recycle pump 16 side, recycle pump 16 opposite side is communicated with and distributes header 15 side, distribute header 15 opposite side and connect into mouth of a river A14 and water inlet B13 respectively, water inlet A14 communication loop water cavity 6, circulating water cavity 6 to be placed between outer wall 7 and phosphoric furnace 11 and outer wall 7 to be placed in phosphoric furnace 11 outside, pedestal 9 is provided with bottom outer wall 7, pedestal 9 top is provided with and supports skirt 10, support skirt 10 top and be provided with phosphoric furnace 11, spray gun adapter 8 is provided with in the middle part of phosphoric furnace 11, it is inner that described spray gun adapter 8 one end is communicated with phosphoric furnace 11, it is outside that spray gun adapter 8 the other end is placed in outer wall 7, phosphoric furnace 11 top is provided with gas fairlead 5 and gas fairlead 5 is communicated with outer wall 7 outside, water inlet B13 connects circulation tube 12 side, described circulation tube 12 is spiral-shaped and circulation tube 12 part is placed in phosphoric furnace 11 inside, circulation tube 12 another part is through phosphoric furnace 11 and another part circulation tube 12 is placed in circulating water cavity 6, the opposite side of circulation tube 12 is connected with carbonated drink outlet 18, carbonated drink outlet 18 is communicated with drum 3, the right side of carbonated drink outlet 18 is provided with recirculated water outlet 4, described recirculated water outlet 4 one end connects drum 3 bottom, recirculated water outlet 4 the other end communication loop water cavity 6.Described circulation tube 12 number is at least one.Melting phosphorus and air enter phosphoric furnace 11 inside by spray gun adapter 8 and react, now water can enter recycle pump 16 from downtake 17 and distribute header 15 by entering after recycle pump 16 supercharging, after being distributed by distribution header 15 pairs of current, water is inputted water inlet A14 and water inlet B13 respectively, water inlet A14 communication loop water cavity 6, water will carry out circulating and export in drum 3 by recirculated water outlet 4 in circulating water cavity 6, the temperature of phosphoric furnace 11 wall is reduced with this, water in water inlet B13 will flow into circulation tube 12, now, the water flowing into circulation tube 12 can by the heat of phosphoric furnace 11 inside to steam-water mixing state, then this steam water interface can be back to drum 3 inside by carbonated drink outlet 18, carbonated drink can be separated by drum 3, steam can be discharged by vapour outlet 2, water can continue to flow into recycle pump 16 through downtake 17 and circulate next time, drum 3 top is provided with water supplement port 1, supplement by water supplement port 1 pair of recirculated water when recirculated water is not enough.The two cover recycle systems, a set of cooling system, a set of residual neat recovering system runs simultaneously, the temperature of phosphoric furnace 11 wall can be reduced, can realize id reaction pick up the heat again, the use of recycle pump 16 considerably increases again the speed of circulation of recirculated water, reduces the temperature of phosphoric furnace 11 wall efficiently.
Claims (2)
1. a forced water circulation thermal phosphoric acid waste-heat recovery device, comprise drum, phosphoric furnace and recycle pump, it is characterized in that: drum top is provided with water supplement port and vapour outlet, drum bottom is provided with downtake, downtake is connected with recycle pump side, recycle pump opposite side is communicated with and distributes header side, distribute header opposite side and connect into mouth of a river A and water inlet B respectively, water inlet A communication loop water cavity, circulating water cavity is placed between outer wall and phosphoric furnace and outer wall is placed in phosphoric furnace outside, pedestal is provided with bottom outer wall, pedestal top is provided with support skirt, support skirt top and be provided with phosphoric furnace, spray gun adapter is provided with in the middle part of phosphoric furnace, described spray gun is taken over one end and is communicated with phosphoric furnace inside, the spray gun adapter the other end is placed in outer wall outside, phosphoric furnace top is provided with gas fairlead and gas fairlead is communicated with outer wall outside, water inlet B connects circulation tube side, described circulation tube is spiral-shaped and a circulation tube part is placed in phosphoric furnace inside, circulation tube another part is through phosphoric furnace and another part circulation tube is placed in circulating water cavity, the opposite side of circulation tube is connected with carbonated drink outlet, carbonated drink outlet is communicated with drum, the right side of carbonated drink outlet is provided with recirculated water outlet, and described recirculated water outlet one end connects drum bottom, recirculated water outlet the other end communication loop water cavity.
2. forced water circulation thermal phosphoric acid waste-heat recovery device according to claim 1, is characterized in that: described circulation tube number is at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520241393.5U CN204550063U (en) | 2015-04-21 | 2015-04-21 | Forced water circulation thermal phosphoric acid waste-heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520241393.5U CN204550063U (en) | 2015-04-21 | 2015-04-21 | Forced water circulation thermal phosphoric acid waste-heat recovery device |
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| Publication Number | Publication Date |
|---|---|
| CN204550063U true CN204550063U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520241393.5U Expired - Fee Related CN204550063U (en) | 2015-04-21 | 2015-04-21 | Forced water circulation thermal phosphoric acid waste-heat recovery device |
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| CN (1) | CN204550063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110155971A (en) * | 2018-02-14 | 2019-08-23 | 楼韧 | A kind of the yellow phosphorus burning furnace and phosphorous acid production by BEP device of coproduction high temperature and high pressure steam |
-
2015
- 2015-04-21 CN CN201520241393.5U patent/CN204550063U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110155971A (en) * | 2018-02-14 | 2019-08-23 | 楼韧 | A kind of the yellow phosphorus burning furnace and phosphorous acid production by BEP device of coproduction high temperature and high pressure steam |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20160421 |