CN208471789U - A kind of comprehensive utilization device of calcium monohydrogen phosphate waste water - Google Patents
A kind of comprehensive utilization device of calcium monohydrogen phosphate waste water Download PDFInfo
- Publication number
- CN208471789U CN208471789U CN201820734414.0U CN201820734414U CN208471789U CN 208471789 U CN208471789 U CN 208471789U CN 201820734414 U CN201820734414 U CN 201820734414U CN 208471789 U CN208471789 U CN 208471789U
- Authority
- CN
- China
- Prior art keywords
- storage tank
- ammonium chloride
- delivery pump
- waste water
- concentrate
- 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
Landscapes
- Fertilizers (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model belongs to field of waste water treatment, a kind of comprehensive utilization device of calcium monohydrogen phosphate waste water is specifically disclosed, which includes reactive tank, flocculant storage tank, subsider, clarified solution storage tank, clarified solution delivery pump, ammonium chloride triple effect evaporation system, concentrate storage tank, concentrate delivery pump, ammonium chloride spray drying system.The utility model device simple structure, operation is easy, it is handled by these devices, calcium hydroxide and ammonium chloride are converted by the calcium chloride in waste water, calcium hydroxide can be used as the reaction that raw material continues to participate in next step, ammonium chloride is a kind of industrial chemicals with high added value, realizes the Comprehensive utilization to waste water, while reducing environmental pollution.
Description
Technical field:
The utility model belongs to field of waste water treatment, relates generally to one kind for generating dirt during hydrochloric acid method production phosphate fertilizer
The comprehensive utilization device of water.
Background technique:
The yield ratio of hydrochloric acid method production phosphate fertilizer technique, calcium monohydrogen phosphate and 20% calcium chloride wastewater is 1:1, since calcium chloride is useless
The yield of water is big, concentration is low, and domestic pharmaceutical industry industry same device all using re-dry is first concentrated, eventually becomes the work of calcium chloride substantially
Skill solves the problems, such as contaminated wastewater.But the added value of calcium chloride is low, and market demand is small, and most of producers are all to reduce
The yield of calcium monohydrogen phosphate solves the problems, such as that waste solution of calcium chloride is excessive, and this traditional production technology ultimately limits the production of phosphate fertilizer
Amount.Great potential in terms of based on wastewater utilization and environmental protection considers that the utility model is to calcium monohydrogen phosphate production process
The waste water of middle generation has carried out the design of comprehensive utilization aspect.
Existing treatment process uses concentration-drying-granulation substantially, and calcium chloride product is made, and capital equipment has triple effect
It is concentrated by evaporation, spray dryer, is granulated pelleter etc..The disadvantage is that investment is big, energy consumption is high, and process flow is long, complex process, equipment
Perishable damage, and calcium chloride product unit value is low.
Utility model content:
According to problem of the existing technology, the utility model provides a kind of comprehensive utilization device of calcium monohydrogen phosphate waste water.
The technical solution of the utility model is as follows:
A kind of comprehensive utilization device of calcium monohydrogen phosphate waste water, including reactive tank (1), flocculant storage tank (2), subsider (3),
Clarified solution storage tank (5), clarified solution delivery pump (6), ammonium chloride triple effect evaporation system (9), concentrate storage tank (7), concentrate conveying
(8), ammonium chloride spray drying system (10) are pumped, wherein reactive tank connects subsider, subsider connection clarification with flocculant storage tank
Liquid storage tank, clarified solution storage tank connect clarified solution delivery pump, and clarified solution delivery pump connects ammonium chloride triple effect evaporation system, ammonium chloride three
It imitates vapo(u)rization system and connects concentrate storage tank, concentrate storage tank connects concentrate delivery pump, the connection ammonium chloride spray of concentrate delivery pump
Mist drying system.
Wherein, further include calcium slurry delivery pump (4), connect subsider (3).
The integrated conduct method of above-mentioned calcium monohydrogen phosphate waste water are as follows:
(1) ammonium chloride reacts: calcium monohydrogen phosphate production generate containing 20% calcium chloride wastewater and ammonium hydroxide containing 30% ammonia according to
The ratio of quality 1:2 is reacted in reactive tank, and the reaction time controlled at 20~30 minutes, generates mixing liquid；
(2) flocculate: enter subsider come the mixing liquid to reactive tank, with 30% ammonium hydroxide adjust mixed liquor pH value 10~
11, the flocculant polyacrylamide of flocculant storage tank is added, by the flocculation of calcium hydroxide calcium slurry to sedimentation trench bottom, is starched by calcium
Conveying is pumped to calcium monohydrogen phosphate production system and recycles, and upper clear supernate enters clarified solution storage tank；
(3) ammonium chloride is concentrated and dried: the ammonium chloride weak solution from clarified solution storage tank passes through clarified solution delivery pump to chlorination
Concentration is concentrated to 45% by 15% by ammonium chloride triple effect evaporation system by ammonium triple effect evaporation system, ammonium chloride weak solution, concentration
Concentrate storage tank is arrived afterwards；
(4) it is spray-dried: ammonium chloride powders is made to ammonium chloride spray drying system by concentrate delivery pump in concentrate
Last product.
Percentage is mass percent in the application text.
Beneficial effect
The utility model discloses a kind of comprehensive utilization device of calcium monohydrogen phosphate waste water, mainly includes reactive tank, flocculant storage
Slot, subsider, clarified solution storage tank, clarified solution delivery pump, ammonium chloride triple effect evaporation system, concentrate storage tank, concentrate delivery pump,
Ammonium chloride spray drying system, simple in equipment, operation are easy, by the processing of these devices, calcium chloride wastewater are produced
At the higher ammonium chloride product of added value, reaches waste and utilize again, while reducing environmental pollution.
The utility model is mainly used in sulphur dioxide of phosphor chemical industry, is mainly used for generating sewage during hydrochloric acid method production phosphate fertilizer
Comprehensive utilization, is directed to the technologies such as reaction, flocculation, concentration, drying, passes through the comprehensive of the calcium monohydrogen phosphate waste water of the utility model
It closes and utilizes device, traditional Calcium Chloride Production technique in substitution hydrochloric acid method production calcium monohydrogen phosphate production process, production added value is more
High ammonium chloride；The calcium hydroxide calcium slurry of Production of Ammonium Chloride byproduct in process is recycled to calcium monohydrogen phosphate production system circulation benefit
With, can largely save material, reduce waste, reduce environmental pollution, create good economic and social benefit.
The utility model emits no waste water substantially, and the ammonium chloride added value produced is high, the huge market demand, not only into
It has gone waste utilization, and has also reduced environmental pollution, can be widely applied to the fields such as phosphorous chemical industry.
Detailed description of the invention
Fig. 1: for the device connection figure of the utility model.
Appended drawing reference in figure are as follows: 1: reactive tank, 2: flocculant storage tank, 3: subsider, 4: calcium starches delivery pump, 5: clarified solution storage
Slot, 6: clarified solution delivery pump, 7: concentrate storage tank, 8: concentrate delivery pump, 9: ammonium chloride triple effect evaporation system, 10: ammonium chloride
Spray drying system.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is described in further detail.
A kind of comprehensive utilization device of calcium monohydrogen phosphate waste water, including reactive tank (1), flocculant storage tank (2), subsider (3),
Clarified solution storage tank (5), clarified solution delivery pump (6), ammonium chloride triple effect evaporation system (9), concentrate storage tank (7), concentrate conveying
(8), ammonium chloride spray drying system (10) are pumped, wherein reactive tank connects subsider, subsider connection clarification with flocculant storage tank
Liquid storage tank, clarified solution storage tank connect clarified solution delivery pump, and clarified solution delivery pump connects ammonium chloride triple effect evaporation system, ammonium chloride three
It imitates vapo(u)rization system and connects concentrate storage tank, concentrate storage tank connects concentrate delivery pump, the connection ammonium chloride spray of concentrate delivery pump
Mist drying system.
Wherein, further include calcium slurry delivery pump (4), connect subsider (3).
Waste water involved in the embodiments of the present invention is to generate in hydrochloric acid method production phosphate fertilizer technical process, wherein chlorine
The mass percent for changing calcium is 20%, and there are also water-insolubles 2%, calcium containing compound 0.1%.
The present embodiment is related to the method for comprehensive utilization of waste water in calcium monohydrogen phosphate production process, includes the following steps:
(1) ammonium chloride reacts: what is generated in calcium monohydrogen phosphate production process contains 20% calcium chloride wastewater and the ammonia containing 30% ammonia
Water is reacted in reactive tank according to the ratio of mass ratio 1:2, and the speed that is passed through that ammonium hydroxide is controlled in reaction process is 3.5m3/
H, reaction time controlled at 20 minutes, generated mixing liquid；
(2) flocculate: the mixed liquor from reactive tank enters subsider, with 30% ammonium hydroxide adjust mixed liquor pH value 10~
11, flocculant polyacrylamide is added, the molecular weight of polyacrylamide is 500~6,000,000, extremely by the flocculation of calcium hydroxide calcium slurry
Trench bottom is settled, calcium monohydrogen phosphate production system is pumped to by calcium slurry conveying and is recycled, upper clear supernate enters clarified solution storage tank；
(3) ammonium chloride is concentrated and dried: the ammonium chloride weak solution from clarified solution delivery pump passes through clarified solution delivery pump to chlorine
Change ammonium triple effect evaporation system, concentration is concentrated to 45% by 15% by ammonium chloride triple effect evaporation system by ammonium chloride weak solution, dense
Concentrate storage tank is arrived after contracting；
(4) it is spray-dried: ammonium chloride powders is made to ammonium chloride spray drying system by concentrate delivery pump in concentrate
Last product.
The mass percent of ammonium chloride is 99.5% in the ammonium chloride powder product.
Claims (3)
1. a kind of comprehensive utilization device of calcium monohydrogen phosphate waste water, it is characterised in that: including reactive tank (1), flocculant storage tank (2),
Subsider (3), clarified solution storage tank (5), clarified solution delivery pump (6), ammonium chloride triple effect evaporation system (9), concentrate storage tank (7),
Concentrate delivery pump (8), ammonium chloride spray drying system (10), wherein reactive tank connects subsider with flocculant storage tank, sedimentation
Slot connects clarified solution storage tank, clarified solution storage tank connects clarified solution delivery pump, and clarified solution delivery pump connects ammonium chloride triple effect evaporation system
System, ammonium chloride triple effect evaporation system connect concentrate storage tank, and concentrate storage tank connects concentrate delivery pump, concentrate delivery pump connects
Connect ammonium chloride spray drying system.
2. a kind of comprehensive utilization device of calcium monohydrogen phosphate waste water according to claim 1, it is characterised in that: further include calcium slurry
Delivery pump (4).
3. a kind of comprehensive utilization device of calcium monohydrogen phosphate waste water according to claim 2, it is characterised in that: the calcium slurry
Delivery pump (4) connects subsider (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820734414.0U CN208471789U (en) | 2018-05-16 | 2018-05-16 | A kind of comprehensive utilization device of calcium monohydrogen phosphate waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820734414.0U CN208471789U (en) | 2018-05-16 | 2018-05-16 | A kind of comprehensive utilization device of calcium monohydrogen phosphate waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208471789U true CN208471789U (en) | 2019-02-05 |
Family
ID=65217855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820734414.0U Active CN208471789U (en) | 2018-05-16 | 2018-05-16 | A kind of comprehensive utilization device of calcium monohydrogen phosphate waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208471789U (en) |
-
2018
- 2018-05-16 CN CN201820734414.0U patent/CN208471789U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106006732B (en) | The method that high concentration vanadium liquid prepares ammonium poly-vanadate | |
| CN104829271B (en) | A kind of method that utilization phosphorus mine tailing prepares ammonium phosphate calcium and magnesium and ammonium nitrate calcium and magnesium | |
| CN104071820A (en) | Method for producing calcium fluoride by waste LCD panel glass etching liquid | |
| CN105645643B (en) | Phosphorus-containing wastewater processing method | |
| CN107162034B (en) | A kind of system and technique preparing nano-calcium carbonate and amino compound fertilizer using the coal chemical industry three wastes | |
| CN102139975A (en) | Method for recovering phosphorus in crystallization way from semiconductor industrial waste water | |
| CN104591297A (en) | Method and device for preparing polymeric ferric sulfate | |
| CN102838197A (en) | Method for preparing novel composite flocculant PSAFS (poly-silicate aluminum ferrous sulfate) | |
| CN104152943A (en) | Device and method for preparing ammonium persulphate with ammonia and urea solution flue gas purified absorption solution | |
| CN208471789U (en) | A kind of comprehensive utilization device of calcium monohydrogen phosphate waste water | |
| CN102070287A (en) | Process for reducing chloride ions in white mud from ammonia soda plants | |
| CN203545699U (en) | Sodium sulfate-containing sewage treatment device | |
| CN105836919A (en) | Method for removing phosphorus in phosphorus containing wastewater | |
| CN101838005B (en) | Method for producing sodium chloride and carbon powder and co-producing superfine light calcium carbonate and white carbon black | |
| CN105836788B (en) | The method and device of copper oxychloride is prepared using acidic etching liquid and alkaline etching liquid | |
| CN104628207B (en) | A kind of anode material of lithium battery produces recycling processing method and the system thereof of waste water | |
| CN101823746B (en) | Method for producing fine precipitated calcium carbonate and white carbon black coproduction sodium chloride and powdered carbon | |
| CN101823747B (en) | Method for producing precipitated calcium carbonate and white carbon black and coproducing sodium chloride and powdered carbon | |
| CN107226568A (en) | It is a kind of to handle the method that hydrochloric acid method produces calcium monohydrogen phosphate waste water | |
| CN108117190A (en) | A kind of technique of phosphate fertilizer plant's Low Concentration Ammonia Containing Wastewater processing | |
| CN110040698B (en) | Method for treating titanium dioxide waste acid by using magnesium sulfate | |
| CN113788564A (en) | Method for treating and comprehensively utilizing mixed wastewater | |
| CN207361980U (en) | The special purpose device of vanadium-containing water technique of zero discharge | |
| CN110408778A (en) | A kind of heavy rare earth of sodium carbonate and sodium bicarbonate mixed precipitation | |
| CN105174239A (en) | Method for preparing disodium hydrogen phosphate by means of phosphoric acid obtained by wet process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |