CN102527201B - Phosphoric acid tail gas and waste heat recovery re-use device in activated carbon of phosphoric acid method production - Google Patents
Phosphoric acid tail gas and waste heat recovery re-use device in activated carbon of phosphoric acid method production Download PDFInfo
- Publication number
- CN102527201B CN102527201B CN201110458801.9A CN201110458801A CN102527201B CN 102527201 B CN102527201 B CN 102527201B CN 201110458801 A CN201110458801 A CN 201110458801A CN 102527201 B CN102527201 B CN 102527201B
- Authority
- CN
- China
- Prior art keywords
- phosphoric acid
- tail gas
- acid tail
- residual
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention provides phosphoric acid tail gas and waste heat recovery re-use device in activated carbon of phosphoric acid method production, it comprises phosphoric acid tail gas gathering-device, phosphoric acid tail gas residual heat using device and concentrated residual phosphoric acid energy saver; The phosphoric acid tail gas input of phosphoric acid tail gas gathering-device is connected to kiln phosphoric acid tail gas flue, and phosphoric acid tail gas output is connected to evacuation port, and phosphoric acid,diluted feeder is connected to the phosphoric acid,diluted input of phosphoric acid tail gas residual heat using device; The output of phosphoric acid tail gas residual heat using device is connected to the input of concentrated residual phosphoric acid energy saver; The output of concentrated residual phosphoric acid energy saver is connected to SPA recovery pond.By cellular electrode structure electric demister process phosphoric acid tail gas, phosphoric acid tail gas UTILIZATION OF VESIDUAL HEAT IN is carried out by arranging heat exchanger tube more than two in flue, Phosphoric Acid Concentration is carried out by sieve via structure and vacuum condition, achieve activated carbon of phosphoric acid method produce in the phosphoric acid of phosphoric acid tail gas reclaim and waste heat recycling, thus reduce energy consumption, decrease pollution.
Description
Technical field
The present invention relates to Activated Carbon Production technical field, particularly activated carbon of phosphoric acid method produce in phosphoric acid tail gas and waste heat recovery re-use device in phosphoric acid tail gas Activated Carbon Production.
Technical background
In existing activated carbon of phosphoric acid method production process kiln phosphoric acid tail gas processing method in, adopt the process of WATER-WASHING METHOD absorbing liquid, the problem that this causes secondary pollution can be faced, use the demist of secondary gear, wire packing demist, its effect is not very good, and adopt the phosphoric acid tail gas of electric demister process phosphoric acid, can reach depuration quality stablizes, and can avoid secondary pollution problem.
At present, the Activated Carbon Production phosphoric acid tail gas treatment process phosphoric acid tail gas that normally material produces in charcoal, activating apparatus (rotary kiln) is directly connected with phosphoric acid tail gas retracting device, phosphoric acid recycling and processing device is directly sent into by high temperature kiln phosphoric acid tail gas, recycling heater carries out concentration after being heated by the normal temperature phosphoric acid,diluted of recovery, recycling after phosphoric acid,diluted is concentrated.
In above two-step, the former wastes a large amount of phosphoric acid tail gas waste heats, and the equipment of the phosphoric acid tail gas of high temperature to its subsequent treatment has higher requirement, and the latter consumes a large amount of heat energy again, so just causes great energy waste.
Activated carbon of phosphoric acid method production line needs the industrial phosphoric acid of concentrated 25 Baume degrees every day, and its existing technique concentrates phosphoric acid with graphite heat exchanger, and concentrated cost is high.
Waste gas residual heat and original Phosphoric Acid Concentration equipment is utilized to concentrate technique phosphoric acid liquid, the phosphoric acid of 25 Baume degrees is heated to more than 80 DEG C by waste gas, be input in vacuum flasher the phosphoric acid of 42 Baume degrees being concentrated to technological requirement, the operating cost of boiler will be reduced, reduce the exhaust temperature of flue residue heat, greatly reduce energy consumption and decreasing pollution, environment purification.
Summary of the invention
The object of the present invention is to provide a kind of activated carbon of phosphoric acid method production phosphoric acid tail gas and waste heat recovery re-use device.
Activated carbon of phosphoric acid method of the present invention produces phosphoric acid tail gas and waste heat recovery re-use device, comprises phosphoric acid tail gas gathering-device, phosphoric acid tail gas residual heat using device and concentrated residual phosphoric acid energy saver; The phosphoric acid tail gas input of phosphoric acid tail gas gathering-device is connected to kiln phosphoric acid tail gas flue, and phosphoric acid tail gas output is connected to evacuation port, and phosphoric acid,diluted feeder is connected to the phosphoric acid,diluted input of phosphoric acid tail gas residual heat using device; The output of phosphoric acid tail gas residual heat using device is connected to the input of concentrated residual phosphoric acid energy saver; The output of concentrated residual phosphoric acid energy saver is connected to SPA recovery pond.
Described phosphoric acid tail gas gathering-device comprises anode system and cathod system; Described anode system comprises more than the two pieces parallel stainless steel anode plates placed, and two pieces of adjacent anode plate arrange formation honeycomb channels; Described cathod system comprises more than the two parallel channel-section steel suspension rod cathode bars placed, and every root cathode bar hangs on two pieces of positive plate centre positions, lower end hanging plummet, and every root cathode bar arranges metallic cathode terminal at the interval, two sides at corresponding anode honeycomb place; All positive plates and cathode bar are parallel-connected to power supply respectively.
Described phosphoric acid tail gas residual heat using device comprises heat exchanger tube more than two, and heat exchanger tube is placed in kiln phosphoric acid tail gas flue.
Described concentrated residual phosphoric acid energy saver comprises flash tank, vacuum water-blaster and SPA feeder, and vacuum water-blaster connects flash tank, and SPA feeder is placed in bottom flash tank; Described flash tank comprises three pieces of flash distillation dishes, and three pieces of flash distillation cards are provided with the sieve via hole of same distribution, and are fixed on flash tank inwall by upper, middle and lower-ranking level, and upper and lower two pieces of flash distillation dish modes of emplacements are identical, intermediate mass flash distillation disc spins 90
0place.
The present invention adopts above technical scheme, process phosphoric acid tail gas is collected by cellular electrode structure electric demister, phosphoric acid tail gas UTILIZATION OF VESIDUAL HEAT IN is carried out by arranging heat exchanger tube more than two in flue, Phosphoric Acid Concentration is carried out by sieve via structure and vacuum condition, the phosphoric acid achieving phosphoric acid tail gas in phosphoric acid tail gas Activated Carbon Production in activated carbon of phosphoric acid method production reclaims and waste heat recycling, thus reduce energy consumption, decrease pollution, purify environment.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated:
Fig. 1 is the technology of the present invention apparatus structure schematic diagram;
Fig. 2 is phosphoric acid tail gas gathering-device positive and negative electrode structure schematic diagram of the present invention;
Fig. 3 is that the present invention concentrates residual phosphoric acid energy saver flash tank structural representation.
Detailed description of the invention
As shown in Figure 1, activated carbon of phosphoric acid method of the present invention produce in phosphoric acid tail gas and waste heat recovery re-use device in phosphoric acid tail gas Activated Carbon Production, comprise phosphoric acid tail gas gathering-device 1, phosphoric acid tail gas residual heat using device 2 and concentrated residual phosphoric acid energy saver 3; The phosphoric acid tail gas input 11 of phosphoric acid tail gas gathering-device is connected to kiln phosphoric acid tail gas flue, and phosphoric acid tail gas output 12 is connected to evacuation port, and phosphoric acid,diluted feeder 13 is connected to the phosphoric acid,diluted input 21 of phosphoric acid tail gas residual heat using device 2; The output 22 of phosphoric acid tail gas residual heat using device 2 is connected to the input 31 of concentrated residual phosphoric acid energy saver 3; The output 32 of concentrated residual phosphoric acid energy saver 3 is connected to SPA recovery pond.
As shown in the figures 1 and 2, described phosphoric acid tail gas gathering-device 1 comprises anode system 14 and cathod system 15; Described anode system 14 comprises more than two pieces parallel stainless steel anode plate 16, two pieces of adjacent anode plate 16 of placing and arranges formation honeycomb channels; Described cathod system 15 comprises more than the two parallel channel-section steel suspension rod cathode bars 17 placed, every root cathode bar 17 hangs on two pieces of positive plate 16 centre positions, lower end hanging plummet 18, every root cathode bar 17 arranges metallic cathode terminal 19 at the interval, two sides at corresponding anode honeycomb place; All positive plates 16 and cathode bar 17 are parallel-connected to power supply respectively.
Described phosphoric acid tail gas residual heat using device 2 comprises heat exchanger tube 23 more than two, and heat exchanger tube is placed in kiln phosphoric acid tail gas flue 24.Described heat exchanger tube 23 comprises the different dual coil pipes of diameter, and each coil pipe all does gusseted with stainless steel angle steel, and bottom inner coil pipe supports angle steel and is seated on the load-bearing A-frame of outer coil pipe, and top inner coil pipe supports angle steel and is connected with the fixed triangle support of outer coil pipe.
As shown in Fig. 1 or 3, described concentrated residual phosphoric acid energy saver 3 comprises flash tank 33, vacuum water-blaster 34 and SPA feeder 35, and vacuum water-blaster 34 connects flash tank 33, and SPA feeder 35 is placed in bottom flash tank 33; Described flash tank 33 comprises three pieces of flash distillation dishes 36, three pieces of flash distillation cards 36 are provided with the sieve via hole 37 of same distribution, and being fixed on flash tank 33 inwall by upper, middle and lower-ranking level, upper and lower two pieces of flash distillation dish 36 modes of emplacements are identical, and intermediate mass flash distillation dish 36 rotates 90
0place.
Flash distillation dish 36 is structures of a similar sieve, time such phosphoric acid,diluted acid flows through it from the top down, current become drop-wise by column, which adds the surface area of its heat exchange, flash distillation dish 36 levels is placed to certain angle in addition, and such phosphoric acid,diluted acid can form flow-disturbing motion, promote heat transfer, steam is extracted out by vacuum water-blaster 34 extract system, thus improves the thickening efficiency of phosphoric acid,diluted, concentrates out finished acid.
Claims (1)
1. phosphoric acid tail gas and a waste heat recovery re-use device in activated carbon of phosphoric acid method production, is characterized in that: it comprises phosphoric acid tail gas gathering-device, phosphoric acid tail gas residual heat using device and concentrated residual phosphoric acid energy saver; The phosphoric acid tail gas input of phosphoric acid tail gas gathering-device is connected to kiln phosphoric acid tail gas flue, and phosphoric acid tail gas output is connected to evacuation port, and phosphoric acid,diluted feeder is connected to the phosphoric acid,diluted input of phosphoric acid tail gas residual heat using device; The output of phosphoric acid tail gas residual heat using device is connected to the input of concentrated residual phosphoric acid energy saver; The output of concentrated residual phosphoric acid energy saver is connected to SPA recovery pond; Described phosphoric acid tail gas gathering-device comprises anode system and cathod system, and described anode system comprises more than the two pieces parallel stainless steel anode plates placed, and two pieces of adjacent anode plate arrange formation honeycomb channels; Described cathod system comprises more than the two parallel channel-section steel suspension rod cathode bars placed, and every root cathode bar hangs on two pieces of positive plate centre positions, lower end hanging plummet, and every root cathode bar arranges metallic cathode terminal at the interval, two sides at corresponding anode honeycomb place; All positive plates and cathode bar are parallel-connected to power supply respectively; Described phosphoric acid tail gas residual heat using device comprises heat exchanger tube more than two, and heat exchanger tube is placed in kiln phosphoric acid tail gas flue; Described concentrated residual phosphoric acid energy saver comprises flash tank, vacuum water-blaster and SPA feeder, and vacuum water-blaster connects flash tank, and SPA feeder is placed in bottom flash tank; Described flash tank comprises three pieces of flash distillation dishes, and three pieces of flash distillation cards are provided with the sieve via hole of same distribution, and are fixed on flash tank inwall by upper, middle and lower-ranking level, and upper and lower two pieces of flash distillation dish modes of emplacements are identical, intermediate mass flash distillation disc spins 90
0place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110458801.9A CN102527201B (en) | 2011-12-31 | 2011-12-31 | Phosphoric acid tail gas and waste heat recovery re-use device in activated carbon of phosphoric acid method production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110458801.9A CN102527201B (en) | 2011-12-31 | 2011-12-31 | Phosphoric acid tail gas and waste heat recovery re-use device in activated carbon of phosphoric acid method production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102527201A CN102527201A (en) | 2012-07-04 |
| CN102527201B true CN102527201B (en) | 2016-04-20 |
Family
ID=46335964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110458801.9A Active CN102527201B (en) | 2011-12-31 | 2011-12-31 | Phosphoric acid tail gas and waste heat recovery re-use device in activated carbon of phosphoric acid method production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102527201B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523763B (en) * | 2013-10-11 | 2017-04-05 | 徐州天正活性炭厂 | A kind of energy saver and method of rapid concentration of dilute phosphoric acid |
| CN106672964A (en) * | 2016-12-22 | 2017-05-17 | 桂东县湘浙活性炭有限公司 | Comprehensive pyrolysis gas collection and recycling process in active carbon production process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201768619U (en) * | 2010-09-15 | 2011-03-23 | 湖北品冠化工设备有限公司 | Lime kiln gas bubble-cap electrostatic precipitator |
| CN102020254A (en) * | 2009-09-12 | 2011-04-20 | 江西华邦复合材料有限公司 | Phosphoric acid catcher |
| CN201906475U (en) * | 2010-12-03 | 2011-07-27 | 昆山力诺能源机械有限公司 | Flash evaporator |
| CN202057214U (en) * | 2011-01-21 | 2011-11-30 | 邹召贵 | Pipe heat exchanger by utilizing residual heat of thermal phosphoric acid device to produce inorganic salt |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4188366A (en) * | 1977-11-18 | 1980-02-12 | Societe De Prayon | Manufacture of phosphoric acid |
| CN1205116C (en) * | 2003-06-17 | 2005-06-08 | 东华工程科技股份有限公司 | Method for producing phosphoric acid by adopting steam heating forced circulation concentration wet process and its equipment |
| KR101307389B1 (en) * | 2007-12-06 | 2013-09-11 | 주식회사엔아이티 | Method for recovering high purity phosphoric acid from mixed waste acid |
| CN202620995U (en) * | 2011-12-31 | 2012-12-26 | 福建省建瓯市芝星活性炭有限公司 | Technical device for recycling tail gas and waste heat in process of producing active carbon by phosphoric acid method |
-
2011
- 2011-12-31 CN CN201110458801.9A patent/CN102527201B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102020254A (en) * | 2009-09-12 | 2011-04-20 | 江西华邦复合材料有限公司 | Phosphoric acid catcher |
| CN201768619U (en) * | 2010-09-15 | 2011-03-23 | 湖北品冠化工设备有限公司 | Lime kiln gas bubble-cap electrostatic precipitator |
| CN201906475U (en) * | 2010-12-03 | 2011-07-27 | 昆山力诺能源机械有限公司 | Flash evaporator |
| CN202057214U (en) * | 2011-01-21 | 2011-11-30 | 邹召贵 | Pipe heat exchanger by utilizing residual heat of thermal phosphoric acid device to produce inorganic salt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102527201A (en) | 2012-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104909526B (en) | Device for removing heavy metals in sludge by using electro-dynamic method and synchronously and deeply dehydrating sludge | |
| CN102527201B (en) | Phosphoric acid tail gas and waste heat recovery re-use device in activated carbon of phosphoric acid method production | |
| CN202620995U (en) | Technical device for recycling tail gas and waste heat in process of producing active carbon by phosphoric acid method | |
| CN202849557U (en) | Electrolytic aluminium anode preheating device | |
| CN203144204U (en) | Filtering and heat energy recovering device supplied with power by solar energy | |
| CN202643518U (en) | Anaerobic heating device | |
| CN103523763B (en) | A kind of energy saver and method of rapid concentration of dilute phosphoric acid | |
| CN205360809U (en) | Sludge treatment device | |
| CN207933379U (en) | A kind of used cutting liquid separating and reclaiming device | |
| CN103223258A (en) | Air-cooled distillation condenser | |
| CN203231517U (en) | Apparatus for utilizing waste heat of boiler exhaust gas | |
| CN201842656U (en) | Evaporation equipment for preparing potassium chloride with alkali dreg and potassium feldspar | |
| CN202116399U (en) | Sewage disposal facility for production of rare earth materials | |
| CN203546163U (en) | Industrial electrolytic tank group | |
| CN207391587U (en) | A kind of electrolytic phosphating device for electrolytic phosphating of steel wires | |
| CN204934196U (en) | One can remove the cationic bipolar membrane electrolytic cell of heavy metal in soil | |
| CN207210037U (en) | A kind of high-salt wastewater recycling equipment | |
| CN202595101U (en) | Swill grease primary refining device | |
| CN102642918A (en) | Coupled plate membrane component | |
| CN210559551U (en) | Three-dimensional electrolytic reaction device | |
| CN203545683U (en) | Energy-saving device for rapidly concentrating diluted phosphoric acid | |
| CN203545725U (en) | Ultrasonic-assisted high-concentration organic wastewater continuous treatment device | |
| CN203346241U (en) | Microwave-strengthening solar-energy reclaimed-water high-temperature double-source heat-pump sludge-drying system | |
| CN207527596U (en) | Electrolytic aluminium waste slot liner innocuity disposal system | |
| CN105854857B (en) | A kind of active carbon electric heating regenerating equipment and its application method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 353100 Nanping City, Fujian province Jianou City Xilin wood Applicant after: CHINA FUJIAN ZHIXING ACTIVATED CARBON CO., LTD. Address before: 353100 Nanping City, Fujian province Jianou City Xilin wood Applicant before: Fujian Jianou Zhixing Activated Carbon Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: FUJIAN JIANOU ZHIXING ACTIVATED CARBON CO., LTD. TO: FUJIAN ZHIXING ACTICATED CARBON CO., LTD. |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |