CN203474463U - Full-water-soluble monoammonium phosphate production device system - Google Patents
Full-water-soluble monoammonium phosphate production device system Download PDFInfo
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- CN203474463U CN203474463U CN201320545906.2U CN201320545906U CN203474463U CN 203474463 U CN203474463 U CN 203474463U CN 201320545906 U CN201320545906 U CN 201320545906U CN 203474463 U CN203474463 U CN 203474463U
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Abstract
The utility model relates to a full-water-soluble monoammonium phosphate production device, mainly comprising a phosphoric acid storage tank, a phosphoric acid pump, an ammonia supply tank, a neutralizing tank, a purifying defecator, a filter press pump, a filter press, a clear fluid reservoir, a clear fluid pump, a flash chamber, a heater, a circulating pump, a second flash chamber, a second heater, a second circulating pump, a spray booster pump, a pressure spray drying tower, a finished product cooling tower, a cloth bag dust collector and the like, which are connected into a whole by a pipeline, wherein the formed production equipment can produce a high-concentration full-water-soluble monoammonium phosphate product. By adopting high-concentration full-water-soluble monoammonium phosphate device disclosed by the utility model, the produced full-water-soluble monoammonium phosphate has the advantages of being high in production capacity, low in energy consumption, free of crystallizing and filtering procedures, and small in effect on the environment caused by exhaust dust, and has good economic benefits.
Description
Technical field
The utility model relates to a kind of phosphorous chemical industry production equipment system, particularly a kind of complete water-soluble monoammonium phosphate production equipment system.
Background technology
Current China sulphur dioxide of phosphor chemical industry fertilizer conventional industries production capacity is seriously superfluous, unreasonable structure, and improving product technology content and value of the product, be the direction of phosphorus chemical industry structural adjustment.Meanwhile, the Integration of Water into Fertilizer has been acknowledged as the best-of-breed technology that improves in the world liquid manure resource utilization.Compare the Integration of Water into Fertilizer water-saving, province's fertilizer, saving of labor, efficient, volume increase with traditional fertilization.And as the important auxiliary products of the Integration of Water into Fertilizer, full water-soluble ammophos welcomes development opportunity.Full water-soluble phosphorus ammonium can be used by direct as fertilizer sources, also can be used as the raw material of drip irrigation fertilizer, and the market requirement is very wide.Meanwhile, purity also has wide application space at the full water-soluble phosphorus ammonium of 65%-72% in flame retardant grade market, can be used as the raw material of producing fire extinguisher ammonium polyphosphate dry powder.
Existing full water-soluble phosphorus ammonium is produced and mainly be take thermal phosphoric acid and wet phosphoric acid purifying and produce as raw material.But thermal phosphoric acid is subject to the restriction of the factors such as resource, environment, the energy, and energy consumption is high, and cost is high; Wet phosphoric acid purifying mainly adopts organic solvent extractionprocess, ion exchange method, ion exchange method and electroosmose process, Phosphoric Acid Concentration crystallization process or complex salt crystal method; Chemical precipitation method, due to impacts such as phosphorus yield and energy consumptions, production cost is high.The general method of producing at present water-soluble phosphoric acid one ammonium is, utilize phosphorus ore and sulfuric acid reaction to make phosphoric acid by wet process, phosphoric acid by wet process carries out neutralization reaction with ammonia and generates ammonium phosphate slip after desulfurization, after the impurity such as (or press filtration) remove portion iron, aluminium, magnesium, fluorine, be concentrated to certain weight proportion after filtration, then carry out crystallisation by cooling, separation, the dry industrial grade monoammonium phosphate that makes.Mainly there is following defect in the method: 1. technical process is long, crystallisation by cooling process, and thermosteresis is high, 4.6 tons of average product steam consumptions per ton.2. due to after Crystallization Separation, have a large amount of crystalline mother solutions to produce, production efficiency is low, and raw material consumption amount is high, ton product power consumption 500kw h left and right.3. in production process, produce a large amount of filter residues and mother liquid disposal complex procedures, environmental pollution is larger, and added value of product is low.4. labor strength is relatively large.5. equipment capacity easily reaches bottleneck, and small scale can not be met the need of market.6. be unfavorable for large-scale production, be difficult to reduce costs, thereby the water-soluble phosphoric acid one ammonium price that adopts aforesaid method to produce is conventionally higher, is unfavorable for the popularization of fertigation.
Now need a kind of apparatus system of producing complete water-soluble phosphoric acid badly, solving thermal phosphoric acid or Wet Phosphoric Acid Market Traditional Method, to produce complete water-soluble monoammonium phosphate throughput low, and energy consumption is high, the dried tail gas problem such as gather dust.
Utility model content
Goal of the invention of the present utility model is to provide a kind of complete water-soluble monoammonium phosphate production equipment system.
To achieve these goals, the technical solution adopted in the utility model is:
A complete water-soluble monoammonium phosphate production equipment system, mainly by neutralized system, solid-liquid separation system, concentration systems, dehumidification system and finished product gathering system form.
Described neutralized system comprises: for ammonia tank, phosphoric acid storage tank, phosphoric acid pump groove, phosphoric acid pump, neutralizing well, in and shurry pump.Described solid-liquid separation system comprises: purify clarifying tank, purify thick stock tank, thick stock pump, pressure filter, complete water-soluble monoammonium phosphate solution storage trough, complete water-soluble monoammonium phosphate solution pump, complete water-soluble monoammonium phosphate solution pump groove.Described concentration systems comprises: flashing chamber, flash heater, flash distillation recycle pump.Described dehumidification system comprises: drying air fan, spray gun, drying tower at the bottom of slurry filter, triplex pump, slip snubber, drying tower overfire air fan, tower.
The liquid outlet of described phosphoric acid storage tank bottom is connected with phosphoric acid pump groove, in phosphoric acid pump groove, is provided with phosphoric acid pump, and phosphoric acid pump outlet is connected with neutralizing well import, supplies the outlet of ammonia tank to be connected with neutralizing well import; In being provided with in neutralizing well and shurry pump.
Described shurry pump outlet is connected with the import of purification clarifying tank, purifies clarifying tank overflow port and is connected with complete water-soluble monoammonium phosphate solution storage trough; The bottom outlet of described purification clarifying tank is connected with the thick stock tank of purification, purifies in thick stock tank and is provided with thick stock pump, and thick slurry pump outlet is connected with feed opening of press filter, and the liquid outlet of pressure filter is connected with complete water-soluble monoammonium phosphate solution storage trough; Described complete water-soluble monoammonium phosphate solution storage trough liquid outlet is connected with complete water-soluble monoammonium phosphate solution pump groove, in complete water-soluble monoammonium phosphate solution pump groove, is provided with complete water-soluble monoammonium phosphate solution pump.
Complete water-soluble monoammonium phosphate solution pump discharge is connected with the fluid inlet of flashing chamber, and the feed opening of described flashing chamber is connected with the import of flash distillation recycle pump; Between the circulation fluid import of flash distillation circulation pump outlet and flashing chamber, by flash heater, be connected.
Flash distillation recycle pump is also connected with the import of slurry filter, and the outlet of slurry filter is connected with the opening for feed of triplex pump, and the discharge port of triplex pump is connected with the opening for feed of slip snubber, and the discharge port of slip snubber is connected with the spray gun in drying tower.
At the bottom of described drying tower tower, blast inlet is connected with drying air fan at the bottom of tower, and drying tower secondary air inlet is connected with drying tower overfire air fan, and drying tower discharge port is connected with finished product gathering system.
As preferred version of the present utility model, described finished product gathering system comprises: finished product cooling tower, cooling blower, finished product belt prover, finished product storage tank.
Drying tower discharge port is connected with finished product cooling tower opening for feed, and finished product cooling tower discharge port is connected with finished product belt prover, and finished product belt prover is connected with finished product storage tank; Finished product cooling tower blast inlet is connected with cooling blower.
As preferred version of the present utility model, also comprise exhaust treatment system.Described exhaust treatment system comprises: cooling tower exhaust fan, drying tower exhaust fan, chimney.
Described drying tower air outlet is connected with the import of drying tower exhaust fan, and the outlet of drying tower exhaust fan is connected with chimney.Finished product air outlet of cooling tower is connected with the import of cooling tower exhaust fan, and the outlet of cooling tower exhaust fan is all connected with chimney.
As preferred version of the present utility model, described neutralized system also comprises elementary neutralizing well.
For ammonia tank, be also connected with elementary neutralizing well, phosphoric acid pump discharge is connected with elementary neutralizing well import, and elementary neutralizing well is also connected with neutralizing well.
As preferred version of the present utility model, comprise a plurality of flashing chambers, formation is multistage flash evaporation system.
Further, described multistage flash evaporation system is two-stage flash, and multistage flash evaporation system also comprises: the second flashing chamber, the second flash heater, the second flash distillation recycle pump.
Described flash distillation circulation pump outlet is also connected with the import of the second flash distillation recycle pump, and the lower liquid pipe of the second flashing chamber is also connected with the import of the second flash distillation recycle pump; Between the second flash distillation circulation pump outlet and the circulation fluid import of the second flashing chamber, by the second flash heater, be connected; The second flash distillation circulating-pump outlet is also connected with the import of slurry filter.
Further, the outlet of the tail gas of the second flashing chamber is connected with the steam-gas inlet of flash heater.
As preferred version of the present utility model, exhaust treatment system also comprises drying tower bagroom, between the outlet of drying tower tail gas and drying tower exhaust fan, by drying tower bagroom, is connected.
As preferred version of the present utility model, exhaust treatment system also comprises cooling tower bagroom, between finished product cooling tower tail gas outlet and cooling tower exhaust fan, by cooling tower bagroom, is connected.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are: adopt the utility model to produce and have the following advantage of complete water-soluble monoammonium phosphate: (1) is without crystallization, filter progress, and changed drying mode, device will carry out pressure spray dryer after directly will connecing concentrated complete water-soluble monoammonium phosphate solution, and production capacity is large, electric, heat energy consumption is low, production cost is low, has fine economic benefit.(2), in complete water-soluble monoammonium phosphate production process, the filter-press residues after neutralization can be used for fertilizer grade phosphorus ammonium to be produced, or compound fertilizer fertilizer use, without waste residue, discharging of waste liquid.(3) adopt device described in the utility model to produce complete water-soluble monoammonium phosphate dried tail gas and utilize bagroom to process, reduced the loss of material, solved the impact of tail gas dust on environment, there is fine society and economic benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is a preferred embodiment structural representation of the present utility model.
Fig. 3 is another preferred embodiment structural representation of the present utility model.
Fig. 4 is another preferred embodiment structural representation of the present utility model.
Mark in figure: 1-is for ammonia tank, 2-phosphoric acid storage tank, 3-phosphoric acid pump groove, 4-phosphoric acid pump, 5-neutralizing well, the elementary neutralizing well of 6-, in 7-and shurry pump, 8-purifies clarifying tank, 9-purifies thick stock tank, the thick stock pump of 10-, 11-pressure filter, the complete water-soluble monoammonium phosphate solution storage trough of 12-, the complete water-soluble monoammonium phosphate solution pump of 13-, the complete water-soluble monoammonium phosphate solution pump groove of 14-, 15-flashing chamber, 16-flash heater, 17-flash distillation recycle pump, 18-the second flashing chamber, 19-the second flash heater, 20-the second flash distillation recycle pump, 21-slurry filter, 22-triplex pump, 23 slip snubbers, 24-drying tower overfire air fan, drying air fan at the bottom of 25-tower, 26-spray gun, 27-drying tower, 28-finished product cooling tower, 29-cooling blower, 30-finished product belt prover, 31-finished product storage tank, 32-cooling tower bagroom, 34-drying tower bagroom, 33-cooling tower exhaust fan, 35-drying tower exhaust fan, 36-chimney.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
embodiment 1
As shown in Figure 1, complete water-soluble monoammonium phosphate production equipment system, comprise: for ammonia tank (1), phosphoric acid storage tank (2), phosphoric acid pump groove (3), phosphoric acid pump (4), neutralizing well (5), in and shurry pump (7), purify clarifying tank (8), purify thick stock tank (9), thick stock pump (10), pressure filter (11), complete water-soluble monoammonium phosphate solution storage trough (12), complete water-soluble monoammonium phosphate solution pump (13), complete water-soluble monoammonium phosphate solution pump groove (14), flashing chamber (15), flash heater (16), flash distillation recycle pump (17), slurry filter (21), triplex pump (22), slip snubber (23), drying tower overfire air fan (24), drying air fan at the bottom of tower (25), spray gun (26), drying tower (27), finished product cooling tower (28), cooling blower (29), finished product belt prover (30), finished product storage tank (31), cooling tower exhaust fan (33), drying tower exhaust fan (35), chimney (36).
The liquid outlet of described phosphoric acid storage tank (2) bottom is connected with phosphoric acid pump groove (3), in phosphoric acid pump groove (3), be provided with phosphoric acid pump (4), the outlet of phosphoric acid pump (4) is connected with neutralizing well (5) import, supplies the outlet of ammonia tank (1) to be connected with neutralizing well (5) import; In being provided with in neutralizing well (5) and shurry pump (7).Described shurry pump (7) outlet is connected with the import of purification clarifying tank (8), purifies clarifying tank (8) overflow port and is connected with complete water-soluble monoammonium phosphate solution storage trough (12); Described purification clarifying tank (8) outlet at bottom is connected with the thick stock tank of purification (9), purify and in thick stock tank (9), be provided with thick stock pump (10), the outlet of thick stock pump (10) is connected with pressure filter (11) opening for feed, and the liquid outlet of pressure filter (11) is connected with complete water-soluble monoammonium phosphate solution storage trough (12); Described complete water-soluble monoammonium phosphate solution storage trough (12) liquid outlet is connected with complete water-soluble monoammonium phosphate solution pump groove (14), is provided with complete water-soluble monoammonium phosphate solution pump (13) in complete water-soluble monoammonium phosphate solution pump groove (14).Complete water-soluble monoammonium phosphate solution pump (13) outlet is connected with the fluid inlet of flashing chamber (15), and the feed opening of described flashing chamber (15) is connected with the import of flash distillation recycle pump (17); Between the circulation fluid import of the outlet of flash distillation recycle pump (17) and flashing chamber (15), by flash heater (16), be connected.Flash distillation recycle pump (17) is also connected with the import of slurry filter (21), the outlet of slurry filter (21) is connected with the opening for feed of triplex pump (22), the discharge port of triplex pump (22) is connected with the opening for feed of slip snubber (23), and the discharge port of slip snubber (23) is connected with the spray gun (26) in drying tower (27).At the bottom of described drying tower (27) tower, blast inlet is connected with drying air fan at the bottom of tower (25), drying tower (27) secondary air inlet is connected with drying tower overfire air fan (24), drying tower (27) discharge port is connected with finished product cooling tower (28) opening for feed, described drying tower (27) air outlet is connected with drying tower exhaust fan (35) import, and drying tower exhaust fan (35) outlet is connected with chimney (36).Finished product cooling tower (28) discharge port is connected with finished product belt prover (30), and finished product belt prover (30) is connected with finished product storage tank (31); Finished product cooling tower (28) blast inlet is connected with cooling blower (29); Finished product cooling tower (28) air outlet is connected with cooling tower exhaust fan (33) import, and cooling tower exhaust fan (33) outlet is all connected with chimney (36).
Phosphoric acid and ammonia neutralization in neutralizing well (5), then settlement separate in purifying clarifying tank (8), clear liquid is directly collected, thick slurry is collected filtrate and is purified the separated clear liquid that obtains of clarifying tank (8) in pressure filter (11) after press filtration separation, mix and be stored in complete water-soluble monoammonium phosphate solution storage trough (12).Then, complete water-soluble monoammonium phosphate solution is sent into concentrating unit concentrated, after flash distillation is processed, obtain the monoammonium phosphate solution of higher concentration.Again the monoammonium phosphate solution of high density is dried to the complete water-soluble monoammonium phosphate that obtains particle, it is cooling, collect dress bag.
As shown in Figure 2, complete water-soluble monoammonium phosphate production equipment system, compares with embodiment 1, and described system also comprises elementary neutralizing well (6).For ammonia tank (1), be also connected with elementary neutralizing well (6), phosphoric acid pump (4) outlet is connected with elementary neutralizing well (6) import, and elementary neutralizing well (6) is connected with neutralizing well (5), and neutralizing well (5) is connected with supplying ammonia tank.It is identical with enforcement 1 that all the other do not describe part.
Phosphoric acid enter elementary neutralizing well (6) within it with ammonia in and after, then flow into neutralizing well (5) and again neutralize with ammonia.Through twice neutralization reaction, phosphoric acid and ammonia neutralization reaction are more abundant, and the utilization ratio of phosphoric acid is higher.
embodiment 3
As shown in Figure 3, complete water-soluble monoammonium phosphate production equipment system, compare with embodiment 1 also there is the second flashing chamber (18), the second flash heater (19), the second flash distillation recycle pump (20), form two-stage flash system.
The outlet of described flash distillation recycle pump (17) is also connected with the import of the second flash distillation recycle pump (20), and the lower liquid pipe of the second flashing chamber (18) is also connected with the import of the second flash distillation recycle pump (20); Between the circulation fluid import of the outlet of the second flash distillation recycle pump (20) and the second flashing chamber (18), by the second flash heater (19), be connected; The second flash distillation circulating-pump outlet is also connected with the import of slurry filter (21).Not mentioned part is identical with enforcement 1.
The complete water-soluble monoammonium phosphate that complete water-soluble monoammonium phosphate solution pump (13) pumps in flashing chamber (15) after single flash is processed, enter again the second flashing chamber (18), again be flashed concentration, obtain the monoammonium phosphate that high density is suitable for drying-granulating, and then in drying tower, be dried to particle.
As shown in Figure 4, a kind of complete water-soluble monoammonium phosphate production equipment system, by supplying ammonia tank (1), phosphoric acid storage tank (2), phosphoric acid pump groove (3), phosphoric acid pump (4), neutralizing well (5), elementary neutralizing well (6), in and shurry pump (7), purify clarifying tank (8), purify thick stock tank (9), thick stock pump (10), pressure filter (11), complete water-soluble monoammonium phosphate solution storage trough (12), complete water-soluble monoammonium phosphate solution pump (13), complete water-soluble monoammonium phosphate solution pump groove (14), flashing chamber (15), flash heater (16), flash distillation recycle pump (17), the second flashing chamber (18), secondary heater (19), the second flash distillation recycle pump (20), slurry filter (21), triplex pump (22), slip snubber (23), drying tower overfire air fan (24), drying air fan at the bottom of tower (25), spray gun (26), drying tower (27), finished product cooling tower (28), cooling blower (29), finished product belt prover (30), finished product storage tank (31), cooling tower bagroom (32), cooling tower exhaust fan (33), drying tower bagroom (34), drying tower exhaust fan (35), chimney (36) formation that is interconnected.
The liquid outlet of described phosphoric acid storage tank (2) bottom is connected with phosphoric acid pump groove (3), in phosphoric acid pump groove (3), be provided with phosphoric acid pump (4), the outlet of phosphoric acid pump (4) is connected with elementary neutralizing well (6) import, supplies the outlet of ammonia tank (1) to be connected with elementary neutralizing well (6), neutralizing well (5) import.The taphole of described elementary neutralizing well (6) is connected with the import of neutralizing well (5), in being provided with in neutralizing well (5) and shurry pump (7), in be connected with the import of purification clarifying tank (8) with shurry pump (7) outlet, purify clarifying tank (8) overflow port and be connected with complete water-soluble monoammonium phosphate solution storage trough (12), purify clarifying tank (8) outlet at bottom and be connected with the thick stock tank of purification (9).In the thick stock tank of described purification (9), be provided with thick stock pump (10), the outlet of thick stock pump (10) is connected with pressure filter (11) opening for feed, and the liquid outlet of pressure filter (11) is connected with complete water-soluble monoammonium phosphate solution storage trough (12) import.Described complete water-soluble monoammonium phosphate solution storage trough (12) is connected with complete water-soluble monoammonium phosphate solution pump groove (14), in complete water-soluble monoammonium phosphate solution pump groove (14), be provided with complete water-soluble monoammonium phosphate solution pump (13), complete water-soluble monoammonium phosphate solution pump (13) outlet is connected with the fluid inlet of flashing chamber (15).The feed opening of described flashing chamber (15) is connected with the import of flash distillation recycle pump (17), between the outlet of flash distillation recycle pump (17) and the circulation fluid import of flashing chamber (15), by flash heater (16), is connected.The outlet pipe of described flash distillation recycle pump (17) is also connected with the import of the second flash distillation recycle pump (20), between the outlet of the second flash distillation recycle pump (20) and the circulation fluid import of the second flashing chamber (18), by secondary heater (19), is connected; The lower liquid pipe of the second flashing chamber (18) is connected with the import of the second flash distillation recycle pump (20), forms the recycle system; The tail gas outlet of the second flashing chamber (18) is connected with flash heater (16) steam-gas inlet.
The outlet of described the second flash distillation recycle pump (20) is also connected with the import of slurry filter (21), the outlet of slurry filter (21) is connected with the opening for feed of triplex pump (22), the discharge port of triplex pump (22) is connected with the opening for feed of slip snubber (23), and the discharge port of slip snubber (23) is connected with the spray gun (26) in drying tower (27).At the bottom of described drying tower (27) tower, blast inlet is connected with drying air fan at the bottom of tower (25), drying tower (27) secondary air inlet is connected with drying tower overfire air fan (24), drying tower (27) discharge port is connected with finished product cooling tower (28) opening for feed, finished product cooling tower (28) discharge port is connected with finished product belt prover (30), and finished product belt prover (30) is connected with finished product storage tank (31).
Described drying tower (27) air outlet is connected with drying tower bagroom (34) blast inlet, and drying tower bagroom (34) air outlet is connected with drying tower exhaust fan (35) import.Described finished product cooling tower (28) air outlet is connected with cooling tower bagroom (32) blast inlet, and cooling tower bagroom (32) air outlet is connected with cooling tower exhaust fan (33) import.Drying tower exhaust fan (35) outlet, cooling tower exhaust fan (33) outlet are connected with chimney (36).
In the time of device work, obtain monoammonium phosphate solution in phosphoric acid and ammonia in system after twice neutralization reaction, solution is by after settlement separate, and thick slurry is again by press filtration, and aqueous solution composition is complete water-soluble monoammonium phosphate.By this complete water-soluble monoammonium phosphate, after flash concentration is processed, be dried and obtain granular finished product monoammonium phosphate, finally by the monoammonium phosphate particle of finished product, cooling, packing can obtain full water-soluble monoammonium phosphate composite fertilizer.
The foregoing is only part preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a complete water-soluble monoammonium phosphate production equipment system, mainly by neutralized system, solid-liquid separation system, concentration systems, dehumidification system and finished product gathering system form;
Described neutralized system comprises: for ammonia tank (1), phosphoric acid storage tank (2), phosphoric acid pump groove (3), phosphoric acid pump (4), neutralizing well (5), in and shurry pump (7);
Described solid-liquid separation system comprises: purify clarifying tank (8), purify thick stock tank (9), thick stock pump (10), pressure filter (11), complete water-soluble monoammonium phosphate solution storage trough (12), complete water-soluble monoammonium phosphate solution pump (13), complete water-soluble monoammonium phosphate solution pump groove (14);
Described concentration systems comprises: flashing chamber (15), flash heater (16), flash distillation recycle pump (17);
Described dehumidification system comprises: drying air fan (25), spray gun (26), drying tower (27) at the bottom of slurry filter (21), triplex pump (22), slip snubber (23), drying tower overfire air fan (24), tower;
The liquid outlet of described phosphoric acid storage tank (2) bottom is connected with phosphoric acid pump groove (3), in phosphoric acid pump groove (3), be provided with phosphoric acid pump (4), the outlet of phosphoric acid pump (4) is connected with neutralizing well (5) import, supplies the outlet of ammonia tank (1) to be connected with neutralizing well (5) import; In being provided with in neutralizing well (5) and shurry pump (7);
Described shurry pump (7) outlet is connected with the import of purification clarifying tank (8), purifies clarifying tank (8) overflow port and is connected with complete water-soluble monoammonium phosphate solution storage trough (12); Described purification clarifying tank (8) outlet at bottom is connected with the thick stock tank of purification (9), purify and in thick stock tank (9), be provided with thick stock pump (10), the outlet of thick stock pump (10) is connected with pressure filter (11) opening for feed, and the liquid outlet of pressure filter (11) is connected with complete water-soluble monoammonium phosphate solution storage trough (12); Described complete water-soluble monoammonium phosphate solution storage trough (12) liquid outlet is connected with complete water-soluble monoammonium phosphate solution pump groove (14), is provided with complete water-soluble monoammonium phosphate solution pump (13) in complete water-soluble monoammonium phosphate solution pump groove (14);
Complete water-soluble monoammonium phosphate solution pump (13) outlet is connected with the fluid inlet of flashing chamber (15), and the feed opening of described flashing chamber (15) is connected with the import of flash distillation recycle pump (17); Between the circulation fluid import of the outlet of flash distillation recycle pump (17) and flashing chamber (15), by flash heater (16), be connected;
Flash distillation recycle pump (17) is also connected with the import of slurry filter (21), the outlet of slurry filter (21) is connected with the opening for feed of triplex pump (22), the discharge port of triplex pump (22) is connected with the opening for feed of slip snubber (23), and the discharge port of slip snubber (23) is connected with the spray gun (26) in drying tower (27);
At the bottom of described drying tower (27) tower, blast inlet is connected with drying air fan at the bottom of tower (25), and drying tower (27) secondary air inlet is connected with drying tower overfire air fan (24), and drying tower (27) discharge port is connected with finished product gathering system.
2. according to the complete water-soluble monoammonium phosphate production equipment system described in claim 1, it is characterized in that, described finished product gathering system comprises: finished product cooling tower (28), cooling blower (29), finished product belt prover (30), finished product storage tank (31);
Drying tower (27) discharge port is connected with finished product cooling tower (28) opening for feed, and finished product cooling tower (28) discharge port is connected with finished product belt prover (30), and finished product belt prover (30) is connected with finished product storage tank (31); Finished product cooling tower (28) blast inlet is connected with cooling blower (29).
3. according to the complete water-soluble monoammonium phosphate production equipment system described in claim 1, it is characterized in that, also comprise exhaust treatment system;
Described exhaust treatment system comprises: cooling tower exhaust fan (33), drying tower exhaust fan (35), chimney (36);
Described drying tower (27) air outlet is connected with drying tower exhaust fan (35) import, and drying tower exhaust fan (35) outlet is connected with chimney (36);
Finished product cooling tower (28) air outlet is connected with cooling tower exhaust fan (33) import, and cooling tower exhaust fan (33) outlet is all connected with chimney (36).
4. according to the complete water-soluble monoammonium phosphate production equipment system described in claim 1, it is characterized in that, described neutralized system also comprises elementary neutralizing well (6);
For ammonia tank (1), be also connected with elementary neutralizing well (6), phosphoric acid pump (4) outlet is connected with elementary neutralizing well (6) import, and elementary neutralizing well (6) is connected with neutralizing well (5).
5. according to the complete water-soluble monoammonium phosphate production equipment system described in claim 1, it is characterized in that, comprise a plurality of flashing chambers, form multistage flash evaporation system.
6. complete water-soluble monoammonium phosphate production equipment system according to claim 5, it is characterized in that, described multistage flash evaporation system is two-stage flash, and multistage flash evaporation system also comprises: the second flashing chamber (18), the second flash heater (19), the second flash distillation recycle pump (20);
The outlet of described flash distillation recycle pump (17) is also connected with the import of the second flash distillation recycle pump (20), and the lower liquid pipe of the second flashing chamber (18) is also connected with the import of the second flash distillation recycle pump (20); Between the circulation fluid import of the outlet of the second flash distillation recycle pump (20) and the second flashing chamber (18), by the second flash heater (19), be connected; The second flash distillation circulating-pump outlet is also connected with the import of slurry filter (21).
7. complete water-soluble monoammonium phosphate production equipment system according to claim 6, is characterized in that, the tail gas outlet of the second flashing chamber (18) is connected with the steam-gas inlet of flash heater (16).
8. complete water-soluble monoammonium phosphate production equipment system according to claim 3, it is characterized in that, exhaust treatment system also comprises drying tower bagroom (34), between the outlet of drying tower (27) tail gas and drying tower exhaust fan (35), by drying tower bagroom (34), be connected.
9. complete water-soluble monoammonium phosphate production equipment system according to claim 3, it is characterized in that, exhaust treatment system also comprises cooling tower bagroom (32), between finished product cooling tower (28) tail gas outlet and cooling tower exhaust fan (33), by cooling tower bagroom (32), is connected.
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| CN201320545906.2U CN203474463U (en) | 2013-09-04 | 2013-09-04 | Full-water-soluble monoammonium phosphate production device system |
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| CN201320545906.2U CN203474463U (en) | 2013-09-04 | 2013-09-04 | Full-water-soluble monoammonium phosphate production device system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111747389A (en) * | 2020-07-16 | 2020-10-09 | 宜昌东圣磷复肥有限责任公司 | Monoammonium phosphate powder spraying production system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111747389A (en) * | 2020-07-16 | 2020-10-09 | 宜昌东圣磷复肥有限责任公司 | Monoammonium phosphate powder spraying production system |
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