CN202729805U - Device comprehensively utilizing vitriol after-heating - Google Patents
Device comprehensively utilizing vitriol after-heating Download PDFInfo
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- CN202729805U CN202729805U CN2012201094290U CN201220109429U CN202729805U CN 202729805 U CN202729805 U CN 202729805U CN 2012201094290 U CN2012201094290 U CN 2012201094290U CN 201220109429 U CN201220109429 U CN 201220109429U CN 202729805 U CN202729805 U CN 202729805U
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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
The utility model discloses a device comprehensively utilizing vitriol after-heating. The device comprehensively utilizing the vitriol after-heating comprises a low-pressure boiler, an evaporator A, an evaporator B, a material staff pump A, and a material staff pump B, wherein a low-pressure steam outlet of the low-pressure boiler is connected with a steam inlet of the evaporator A through a pipeline, a phosphorus-ammonium solution outlet A of the evaporator A is connected with a phosphorus-ammonium solution inlet B of the evaporator B through the material staff pump A. A secondary steam outlet B of the evaporator B is connected with the steam inlet of the evaporator A through a pipeline. Besides, a phosphorus-ammonium solution inlet B of the evaporator B is connected with the material staff pump B. The device not only can utilizing low-pressure waste heat steam which can not be utilized in sulfuric acid production technology, but also has the advantages of being saving in needed fresh steam in a phosphorus-ammonium concentration process, capable of saving cost and reducing heat discharging efficiency and the like.
Description
Technical field
The utility model relates to the production energy-saving field such as chemosynthesis, monoammonium phosphate, diammonium phosphate, spray granulating S-based compound fertilizer, is specifically related to a kind of comprehensive utilization sulfuric acid waste heat apparatus.
Background technology
In the prior art, phosphorus ammonium (comprising monoammonium phosphate, diammonium phosphate or both mixtures) heating is concentrated all to consume a large amount of fresh water steam, causes the water vapor demand excessive.Heat energy and SO that the sulphur high-temp combustion produces in acid production with sulphur technique, have been reclaimed
2Change into SO
3Heat energy in the process, some is sulfuric acid absorption SO in the sulfuric acid absorption system
3Reaction heat and the sulfuric acid heat of dilution in air (or unstripped gas) drying tower, directly from acid cooler, emit because its grade is low, this part heat has accounted for more than 1/3rd of acid production with sulphur total heat with regard to quantity, if directly discharge the waste that has caused heat.
Summary of the invention
The purpose of this utility model just is to address the above problem, and a kind of comprehensive utilization sulfuric acid waste heat apparatus is provided, and can not only heat concentrated phosphorus ammonium, can also energy efficient, reduce the heat discharging.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of comprehensive utilization sulfuric acid waste heat apparatus, comprise low pressure boiler, vaporizer A, vaporizer B, shurry pump A and shurry pump B, it is characterized in that: described low pressure boiler comprises hot sulfuric acid entrance, cold sulfuric acid outlet, oiler feed entrance and low-pressure steam outlet, described vaporizer A comprises the steam-in, ammonium phosphate solution entrance A, secondary steam outlet A, condensation-water drain A and ammonium phosphate solution outlet A, described vaporizer B comprises ammonium phosphate solution entrance B, secondary steam outlet B, ammonium phosphate solution outlet B, condensation-water drain B and live steam entrance, the low-pressure steam outlet of described low pressure boiler is connected by pipeline with the steam-in of vaporizer A, the ammonium phosphate solution outlet A of described vaporizer A is connected by shurry pump A with the ammonium phosphate solution entrance B of vaporizer B, the secondary steam outlet B of described vaporizer B is connected by pipeline with the steam-in of vaporizer A, the ammonium phosphate solution outlet B binder stock pump B of vaporizer B.
The low-pressure steam outlet of described low pressure boiler connects the low-pressure steam pipeline, the secondary steam outlet B connecting secondary steam-pipe B of described vaporizer B, described secondary steam pipeline B directly is connected with the mixing steam pipeline, described low-pressure steam pipeline directly is connected with the mixing steam pipeline, and described mixing steam pipeline connects the steam-in of vaporizer A.
The utility model has the advantage of: 1, the utility model apparatus structure is simple, can utilize the concentrated phosphorus ammonium of waste hot steam heating in the gas washing in SA production, saves a large amount of live steams; 2, reduce the heat energy quantity discharged, be conducive to environment protection.
Description of drawings
Fig. 1 is the utility model setting drawing.
Among Fig. 11, low pressure boiler, 2, vaporizer A, 3, vaporizer B, 4, shurry pump A, 5, shurry pump B, 6, hot sulfuric acid entrance, 7, cold sulfuric acid outlet, 8, the oiler feed entrance, 9, the low-pressure steam outlet, 10, the low-pressure steam pipeline, 11, the mixing steam pipeline, 12, the steam-in, 13, ammonium phosphate solution entrance A, 14, secondary steam outlet A, 15, condensation-water drain A, 16, ammonium phosphate solution outlet A, 17, secondary steam pipeline B, 18, ammonium phosphate solution entrance B, 19, secondary steam outlet B, 20, ammonium phosphate solution outlet B, 21, condensation-water drain B, 22, the live steam entrance.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described further.
As shown in Figure 1, a kind of comprehensive utilization sulfuric acid waste heat apparatus, comprise low pressure boiler 1, vaporizer A2, vaporizer B3, shurry pump A4 and shurry pump B5, it is characterized in that: described low pressure boiler 1 comprises hot sulfuric acid entrance 6, cold sulfuric acid outlet 7, oiler feed entrance 8 and low-pressure steam outlet 9, described vaporizer A2 comprises steam-in 12, ammonium phosphate solution entrance A13, secondary steam outlet A14, condensation-water drain A15 and ammonium phosphate solution outlet A16, described vaporizer B3 comprises ammonium phosphate solution entrance B18, secondary steam outlet B19, ammonium phosphate solution outlet B20, condensation-water drain B21 and live steam entrance 22, the steam-in 12 of the outlet 9 of the low-pressure steam of described low pressure boiler 1 and vaporizer A2 is connected by pipeline, the ammonium phosphate solution outlet A16 of described vaporizer A2 is connected by shurry pump A4 with the ammonium phosphate solution entrance B18 of vaporizer B3, the steam-in 12 of the secondary steam of described vaporizer B3 outlet B19 and vaporizer A2 is connected by pipeline, the ammonium phosphate solution outlet B20 binder stock pump B5 of vaporizer B3, the ammonium phosphate solution after heating is concentrated enters next workshop section through shurry pump B5.
Described low pressure cooker is jealous of 1 low-pressure steam outlet 9 connection low-pressure steam pipelines 10, the secondary steam outlet B19 connecting secondary steam-pipe B17 of described vaporizer B3, described secondary steam pipeline B17 directly is connected with mixing steam pipeline 11, described low-pressure steam pipeline 10 directly is connected with mixing steam pipeline 11, and described mixing steam pipeline 11 connects the steam-in 12 of vaporizer A2; The low-pressure steam that low pressure boiler 1 produces enters low-pressure steam pipeline 10 through low-pressure steam outlet 9, with the secondary steam that produces from the vaporizer B3 of secondary steam pipeline B17 in 11 interior mixing of mixing steam pipeline, mixed steam enters evaporation concentration ammonium phosphate solution in the vaporizer A2 through steam-in 12, and the secondary steam that produces in the vaporizer A2 enters another operation through secondary steam outlet A14.
Claims (2)
1. one kind fully utilizes the sulfuric acid waste heat apparatus, comprise low pressure boiler (1), vaporizer A (2), vaporizer B (3), shurry pump A (4) and shurry pump B (5), it is characterized in that: described low pressure boiler (1) comprises hot sulfuric acid entrance (6), cold sulfuric acid outlet (7), oiler feed entrance (8) and low-pressure steam outlet (9), described vaporizer A (2) comprises steam-in (12), ammonium phosphate solution entrance A (13), secondary steam outlet A (14), condensation-water drain A (15) and ammonium phosphate solution outlet A (16), described vaporizer B (3) comprises ammonium phosphate solution entrance B (18), secondary steam outlet B (19), ammonium phosphate solution outlet B (20), condensation-water drain B (21) and live steam entrance (22), the low-pressure steam outlet (9) of described low pressure boiler (1) is connected by pipeline with the steam-in (12) of vaporizer A (2), the ammonium phosphate solution outlet A (16) of described vaporizer A (2) is connected by shurry pump A (4) with the ammonium phosphate solution entrance B (18) of vaporizer B (3), the secondary steam outlet B (19) of described vaporizer B (3) is connected by pipeline with the steam-in (12) of vaporizer A (2), ammonium phosphate solution outlet B (20) the binder stock pump B (5) of vaporizer B (3).
2. a kind of comprehensive utilization sulfuric acid waste heat apparatus according to claim 1, it is characterized in that, the low-pressure steam outlet (9) of described low pressure boiler (1) connects low-pressure steam pipeline (10), secondary steam outlet B (19) the connecting secondary steam-pipe B (17) of described vaporizer B (3), described secondary steam pipeline B (17) directly is connected with mixing steam pipeline (11), described low-pressure steam pipeline (10) directly is connected with mixing steam pipeline (11), and described mixing steam pipeline (11) connects the steam-in (12) of vaporizer A (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201094290U CN202729805U (en) | 2012-03-14 | 2012-03-14 | Device comprehensively utilizing vitriol after-heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201094290U CN202729805U (en) | 2012-03-14 | 2012-03-14 | Device comprehensively utilizing vitriol after-heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202729805U true CN202729805U (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201094290U Expired - Fee Related CN202729805U (en) | 2012-03-14 | 2012-03-14 | Device comprehensively utilizing vitriol after-heating |
Country Status (1)
| Country | Link |
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| CN (1) | CN202729805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395425A (en) * | 2018-12-11 | 2019-03-01 | 江苏科圣化工机械有限公司 | Ammonium phosphate system low temperature exhaust heat method of comprehensive utilization and device |
-
2012
- 2012-03-14 CN CN2012201094290U patent/CN202729805U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395425A (en) * | 2018-12-11 | 2019-03-01 | 江苏科圣化工机械有限公司 | Ammonium phosphate system low temperature exhaust heat method of comprehensive utilization and device |
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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: 20130213 Termination date: 20150314 |
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| EXPY | Termination of patent right or utility model |