CN204873845U - Phosphorous sludge burning relieving haperacidity device - Google Patents
Phosphorous sludge burning relieving haperacidity device Download PDFInfo
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- CN204873845U CN204873845U CN201520489877.1U CN201520489877U CN204873845U CN 204873845 U CN204873845 U CN 204873845U CN 201520489877 U CN201520489877 U CN 201520489877U CN 204873845 U CN204873845 U CN 204873845U
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- burning
- mud phosphorus
- phosphorus
- burning gas
- sulphuric acid
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- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 title abstract description 15
- 239000010802 sludge Substances 0.000 title abstract 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 116
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 115
- 239000011574 phosphorus Substances 0.000 claims abstract description 115
- 238000005406 washing Methods 0.000 claims abstract description 49
- 238000009833 condensation Methods 0.000 claims abstract description 19
- 230000005494 condensation Effects 0.000 claims abstract description 18
- 238000003860 storage Methods 0.000 claims description 36
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 29
- 239000001117 sulphuric acid Substances 0.000 claims description 29
- 235000011149 sulphuric acid Nutrition 0.000 claims description 29
- 238000002485 combustion reaction Methods 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000007770 graphite material Substances 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract description 38
- 238000000034 method Methods 0.000 abstract description 31
- 230000008569 process Effects 0.000 abstract description 21
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract description 19
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 238000011084 recovery Methods 0.000 abstract description 15
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 239000002689 soil Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 67
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 230000003647 oxidation Effects 0.000 description 11
- 238000007254 oxidation reaction Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- QVMHUALAQYRRBM-UHFFFAOYSA-N [P].[P] Chemical compound [P].[P] QVMHUALAQYRRBM-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a phosphorous sludge burning relieving haperacidity device belongs to bonderizing worker process equipment technical field, phosphorous sludge burning relieving haperacidity device is including the phosphorous sludge burner, burning gas condensing equipment, burning gas washing device and the gaseous conveyor that establish ties in proper order, still including setting up the gaseous conveyor on the gas washing device rear end pipeline that burns, the utility model discloses a phosphorous sludge burning relieving haperacidity device passes through the phosphorous sludge burning, burning air cooling is congealed and tail gas is retrieved process flow and process units, phosphorous sludge's high -efficient reutilization has been realized, its concentration of phosphoric acid of this technology production can reach 70%, and has high economic value, and solved soil phosphorus recycling's problem, compare and have higher security in changeing pot recovery phosphorous sludge production yellow phosphorus technology, the device is through addding burning gas washing device, can effectually will wash the recovery for the phosphorous sludge burning gas that carries out the condensation, the efficiency of phosphorous sludge's recovery is improved, and reduce environmental pollution, guarantee production site's safety and environmental protection.
Description
Technical field
The utility model relates to a kind of device of phosphorous slurry recovery, and particularly a kind of mud phosphorus burning sulphuric acid plant, belongs to phosphorous chemical industry Process Equipment Technology field.
Background technology
Current producing yellow Phosphorus by electric oven is still the prevailing technology of Chinese phosphorus production, the compound of its making raw material phosphor ore, coke, silica carries out fusion reduction reaction under high temperature in three-phase furnace, the phosphorus steam generated is by the washing water condensation of differing temps, be gathered in and form thick phosphorus by phosphorus groove, thick phosphorus is separated into mud phosphorus and yellow phosphorus after heating, rinsing, sedimentation.
Mud phosphorus is as one of the by product of producing yellow Phosphorus by electric oven, and wherein the massfraction of phosphorus is at 10%-50%, has very high recycling and is worth.The current process to mud phosphorus and recovery process mainly contain and turn pot recovery mud phosphorus production yellow phosphorus technique and mud phosphorus burning acid-making process.
Turning pot recovery mud phosphorus production yellow phosphorus technique main flow is: with pump, mud phosphorus is turned pot from the pond suction of mud phosphorus, with phosphorus furnace exhaust gas for heat source to make in mud phosphorus contained elemental phosphorous distillation for gaseous state phosphorus, gaseous state phosphorus enters absorption tower, aeroseal is completely cut off with water, wash cooling gaseous state phosphorus is liquid phosphorus, because liquid phosphorus is than water weight, and continue to be cooled at storage phosphorus groove solid-state, be finished phosphorus.Turning pot, to reclaim main device that mud phosphorus phosphorus process relates to be process furnace, rotary pot, absorption tower, phosphorus-storing tank and by phosphorus groove etc.In its production process, primary hazard comprises: leak poisoning, airway of Vanadium Pentoxide in FLAKES and yellow phosphorus easily blocks, and causes furnace pressure excessively to blast, burns, yellow phosphorus leaks fire, poisoning etc. after blocking.
Mud phosphorus burning acid-making process main flow is: the spontaneous combustion in roasting kiln of mud phosphorus produces Vanadium Pentoxide in FLAKES gas, absorbs the phosphoric acid of Vanadium Pentoxide in FLAKES with water.This technique reclaims mud phosphorus production yellow phosphorus technique compared to turning pot, and production process is comparatively safe, and process easily controls, and has higher economy.
Summary of the invention
Goal of the invention of the present utility model is: for above-mentioned Problems existing, and provide a kind of mud phosphorus burning sulphuric acid plant, this device effectively can improve the rate of recovery of yellow phosphorus in mud phosphorus, reduces the discharge of waste gas, improves environmental benefit.
The technical solution adopted in the utility model is as follows:
Mud phosphorus burning sulphuric acid plant, comprise mud phosphorus combustion unit, burning gas condensing works, burning gas washing device and air transporting arrangement, described mud phosphorus combustion unit, burning gas condensing works and burning gas washing device are connected successively, and described air transporting arrangement is arranged on the pipeline of burning gas washing device rear end.
Mud phosphorus burning sulphuric acid plant of the present utility model, described mud phosphorus combustion unit comprises body of heater and storage device, and described storage device is communicated with body of heater by pipeline, and storage device is provided with heating member or heat preservation member.
Further, the height of described storage device is greater than the height of pipe outlet.
Mud phosphorus burning sulphuric acid plant of the present utility model, described burning gas condensing works is made up of condensing tower, is connected between condensing tower by passage.
Further, described condensing tower is made up of graphite material, is the condensation chamber of hollow in condensing tower.
Further, deflector is provided with in described passage.
Further, described burning gas condensing works is composed in series by 5-10 condensing tower.
Mud phosphorus burning sulphuric acid plant of the present utility model, described burning gas washing device comprises washing tower, and described washing tower inner cavity top is provided with shower nozzle.
Further, described washing tower adopts graphite material to make.
Further, described burning gas washing device is composed in series by 2 washing towers.
Mud phosphorus burning sulphuric acid plant of the present utility model, parts mud phosphorus being carried out combustion oxidation generation Vanadium Pentoxide in FLAKES of described mud phosphorus combustion unit, burning gas condensing works plays the continuation oxidation of burning gas and the Vanadium Pentoxide in FLAKES of yellow phosphorus oxidation formation and water is carried out being condensed into phosphoric acid and the effect of collecting, burning gas washing device carries out from the flue gas of burning gas condensing works position condensation the device that washs, described mud phosphorus combustion unit, burning gas condensing works and burning gas washing device form the burning of mud phosphorus successively, the technique unit of phosphoric acid collection and tail gas recycle and technical process.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
1, mud phosphorus burning sulphuric acid plant of the present utility model, by technical process and the process unit of the burning of mud phosphorus, burning gas condensation and tail gas recycle, achieve high efficiente callback and the utilization of mud phosphorus, its concentration of the phosphoric acid of this explained hereafter can reach 70%, there is higher economic worth, and solving the problem of phosphorous slurry recovery, compared to turning pot recovery mud phosphorus production yellow phosphorus technique, there is higher security;
2, mud phosphorus burning sulphuric acid plant of the present utility model, by setting up burning gas washing device, effectively can carry out washing and recycling by uncooled mud phosphorus burning gas, improving the organic efficiency of mud phosphorus, and reducing environmental pollution, ensure safety and the environmental protection of production scene;
3, mud phosphorus burning sulphuric acid plant of the present utility model, its air transporting arrangement is arranged on the pipeline of burning gas washing device rear end, be due to burning gas washing device after gas there is lower temperature and compared with the Vanadium Pentoxide in FLAKES at the end or phosphorus acid content, the acidproof requirement of resistance to gentleness of air transporting arrangement can be reduced, improve the wearing quality of air transporting arrangement.
Accompanying drawing explanation
Fig. 1 is the apparatus structure block diagram of the utility model mud phosphorus burning sulphuric acid plant;
Fig. 2 is the mud phosphorus combustion unit schematic diagram of the utility model mud phosphorus burning sulphuric acid plant;
Fig. 3 is the furnace binding schematic diagram of the utility model mud phosphorus combustion unit;
Fig. 4 is the storage device structural representation of the utility model mud phosphorus combustion unit;
Fig. 5 is another structural representation of storage device of the utility model mud phosphorus combustion unit;
Fig. 6 is the burning gas condensing works schematic diagram of the utility model mud phosphorus burning sulphuric acid plant;
Fig. 7 is the condensing tower structural representation of the utility model burning gas condensing works;
Fig. 8 is the channel architecture schematic diagram of the utility model burning gas condensing works;
Fig. 9 is the burning gas washing device schematic diagram of the utility model mud phosphorus burning sulphuric acid plant.
Mark in figure: 1-mud phosphorus combustion unit, 11-body of heater, 111-blast inlet, 112-burning gas exports, 113-slag-drip opening, 12-storage device, 121-cell body, 122-lid, 123-downstream end mouth, 124-inlet connection mouth, 125-serpentine heating pipe, 126-chuck heating tube, 13-pipeline, 14-valve, 2-burning gas condensing works, 21-condensing tower, 211-condensation chamber, 22-passage, 221-deflector, 3-burning gas washing device, 31-washing tower, 311-shower nozzle, 32-circulation groove, 33-pump, 4-air transporting arrangement.
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 clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Mud phosphorus burning sulphuric acid plant of the present utility model, its device structure block diagram as shown in Figure 1, comprise mud phosphorus combustion unit 1, burning gas condensing works 2 and burning gas washing device 3, described mud phosphorus combustion unit 1, burning gas condensing works 2 and burning gas washing device 3 are connected successively, also comprise air transporting arrangement 4, described air transporting arrangement 4 is arranged on the pipeline of burning gas washing device 3 rear end.
Described mud phosphorus combustion unit 1 mud phosphorus is carried out the parts that combustion oxidation generates Vanadium Pentoxide in FLAKES, burning gas condensing works 2 plays and burning gas is continued oxidation and Vanadium Pentoxide in FLAKES yellow phosphorus oxidation formed and water carries out being condensed into phosphoric acid and the effect of collecting, and burning gas washing device 3 carries out from the uncooled flue gas of burning gas condensing works the device that washs.Described mud phosphorus combustion unit 1, burning gas condensing works 2 and burning gas washing device 3 form the burning of mud phosphorus successively, phosphoric acid is collected and the technique unit of tail gas recycle and technical process.The flowing of the burning gas in the further strengthening system of air transporting arrangement 4, further to improve the processing power of each unit and complete assembly.
After described air transporting arrangement 4 can be arranged at mud phosphorus combustion unit 1, after burning gas condensing works 2 can be arranged at, or after burning gas washing device 3.Preferably, described air transporting arrangement 4 is arranged on the pipeline of burning gas washing device 3 rear end, be because burning gas washing device 3 has lower temperature and lower Vanadium Pentoxide in FLAKES or phosphorus acid content, the acidproof requirement of resistance to gentleness of air transporting arrangement 4 can be reduced, and improve its wearing quality.In the present embodiment, air transporting arrangement 4 is blower fan.
Mud phosphorus combustion unit 1 in the present embodiment, as shown in Figure 2, comprise body of heater 11 and storage device 12, described storage device 12 is communicated with body of heater 11 by pipeline 13, and storage device 12 is provided with heating member or heat preservation member.Inventive concept and the object of this mud phosphorus combustion unit 1 are: by heating member or the heat preservation member of storage device 12, the mud phosphorus of solid-state mud phosphorus melting or molten state is incubated, to maintain its molten state, ensure that its mobility makes it possible to, by burning in Cemented filling to body of heater, realize the automatization of charging.
Described body of heater 11 structure as shown in Figure 3, comprises the burner hearth made with fire proofed wood, and body of heater is provided with blast inlet 111, burning gas outlet 112 and slag-drip opening 113, the wall that pipeline 13 then penetrates body of heater 11 enters in burner hearth.In order to improve the efficiency of burning, described blast inlet 111 is arranged at the position that pipeline 13 exports below.Because body of heater adopts molten state charging, make it possible to the fire grate design cancelling traditional mud phosphorus roasting kiln, simplify its structure further.Body of heater also comprises water-in (not illustrating), this water-in is intake as burning gas condensing works 2 provides steam.The form that water-in can carry out spraying for high temperature resistant shower nozzle enters body of heater 11.
In the present embodiment, the exit end of pipeline 13 is chamfered structure, as shown in Figure 3, is beneficial to outflow and the burning of molten state mud phosphorus.In order to ensure the distribution of mud phosphorus in body of heater and burning further, and be conducive to the fully oxidized of yellow phosphorus, it is 5-20cm that described pipeline 13 exports with the difference of altitude of body of heater 11 burner hearth bottom.
Storage device 12 can adopt pump delivery, or gravity flow, or to modes such as storage device 12 pressurizations, the molten state mud phosphorus in it is sent into body of heater 11.In the utility model, the height of described storage device 12 is greater than the height that pipeline 13 exports, and application of weight is flow automatically and enters, and avoids adopting pump housing conveying, reduces equipment cost, and reduces described in pump housing conveying and have potential safety hazard.
Further, the difference of altitude that described storage device 12 and pipeline 13 export is not more than 2m, in this height, both ensure that the mobility of molten state mud phosphorus, in turn ensure that mud phosphorus enters in body of heater and has suitable flow and pressure, is conducive to its Thorough combustion.
In the present embodiment, described storage device 12 is arranged at directly over body of heater 11, a part of distribute heat of body of heater 11 combustion processes can be absorbed by described in storage device 12, reduce production energy consumption.
On described pipeline 13, being provided with two valves, 14, two valves can the mode of in parallel or series connection, to accomplish the reliable and safety controlled.
Described storage device 12 structure as shown in fig. 4 or 5, heating member can for being arranged on the serpentine heating pipe 125 in storage device 12, this heating tube can be electrically heated or steam heating, or heating member can be the chuck heating tube 126 in storage device 12 wall, chuck heating tube 126 can be electrically heated or steam heating.Compared to the heating tube 125 in storage device 12, chuck heating is conducive to the temperature ensureing storage device 12 wall body, prevents mud phosphorus at wall portion cooling curing.Heat preservation member then can for being arranged on the thermal insulation layer etc. outside storage device 12.
Due to mud phosphorus there is the characteristic of low ignition point, the employing sealed structure that this storage device 12 is general, prevent burning with isolated air.Storage device 12 described in the present embodiment comprises cell body 121 and lid 122, is sealed, as shown in Figure 4 and Figure 5 between described lid 122 and cell body 121 by sealing structure for water.Such benefit is the unlatching being convenient to storage device 12 lid 122, is also conducive to the automatic release of internal pressure, reduces the risk of production process.Described cell body 121 is provided with downstream end mouth 123 and inlet connection mouth 124, downstream end mouth 123 is connected with pipeline 13.
The mud phosphorus roasting kiln of the present embodiment, by arranging storage device, and in storage device, be provided with heating member or heat preservation member, for the fusing of solid puree phosphorus or the insulation of molten state mud phosphorus, and by pipeline, the mud phosphorus of molten state is sent into roasting kiln combustion, this process can replace the mode of existing artificial successively charging, be conducive to the automatization improving production process, reduce manually-operated risk, also can play the effect improving stability of the production process and improve the yellow phosphorus rate of recovery simultaneously, the height of described storage device is greater than the height being positioned at the outlet of body of heater interior conduit, make the molten state mud phosphorus in storage device that flow by gravity can be utilized to enter in body of heater, avoid adopting pump housing conveying, improve the security of course of conveying, reduce the cost of production process simultaneously, the mud phosphorus entering body of heater that flows automatically in addition is convenient to regulation and control flow, be conducive to the Thorough combustion of mud phosphorus.
Burning gas condensing works 2 in the present embodiment, its structure as shown in Figure 6, comprises at least condensed in two stages tower 21 and forms, and is connected between condensing tower 21 by passage 22.Condensing tower 21 import of the first step exports 112 with the burning gas of body of heater 11 and is communicated with, combustion gases enter condensing tower 21, the room and time that condensing tower 21 provides continuation to be oxidized for burning gas, and the Vanadium Pentoxide in FLAKES of yellow phosphorus oxidation formation and water are carried out being condensed into phosphoric acid and the place of collection.Be provided with condensation (as prolong) in conventional condensing tower 21, or the wall of condensing tower 21 is provided with cooling jacket, be beneficial to the condensation of Vanadium Pentoxide in FLAKES and water vapour and produce phosphoric acid.Be provided with liquid exit bottom condensing tower 21, condensing tower 21 is equipped with phosphoric acid storage tank.In the present embodiment, described condensing tower 21 is made up of graphite material, it is the condensation chamber 211 of hollow in condensing tower 21, as shown in Figure 7, the condensing tower 21 that graphite material is made has fabulous acidproof and temperature-resistance characteristic, and there is splendid thermal conductivity, make condensing tower 21 itself have the ability of carrying out nature heat conduction with outside air, for the natural condensation of phosphoric acid on condensation chamber 211 wall.Be provided with 5-10 level condensing tower 21(Fig. 6 in the utility model and only illustrate 4 grades), be composed in series burning gas condensing works 2.For 8 grades of condensing towers 21, front 3 grades due to distance mud phosphorus roasting kiln comparatively near, the temperature of burning gas is higher, and its Main Function is the continued oxidation of burning gas and cools gradually, and then 5 grades of condensing tower 21 Main Functions are the condensation of phosphoric acid.Therefore condensing tower 21 groups in fact provides the oxidation place of burning gas and the condensation place of phosphoric acid, and in fact this effect has obvious spatial division in the condensing tower 21 of cascade, and this division also can according to system specific design.This natural condensation process gradual is step by step conducive to delaying whole condensation process, be conducive to yellow phosphorus composition and be oxidized to Vanadium Pentoxide in FLAKES fully, improve yellow phosphorus organic efficiency in burning gas condensing works 2, and be combined the phosphoric acid forming high density with water vapour fully, directly phosphoric acid process is reclaimed with Water spray washing compared to the burning gas after the burning of mud phosphorus, have and produce phosphoric acid concentration high (can 70% be reached), the advantage that the rate of recovery is high.This is also above-mentioned the adding water at mud phosphorus combustion unit 1 and make it to form the reason of water vapour of this technique.Also can arrange on condensing tower 21 in addition independently air intlet with the process of accelerating oxidation.
Further, deflector 221 is provided with in passage 22 between adjacent condensing tower 21, as shown in Figure 8, deflector 221 adopts Heat-stable material to make, deflector 221 existence makes air-flow advance along " it " shape path in passage, improve oxidation effectiveness and the degree of mixing of air-flow, the condensation being beneficial to subordinate's condensing tower 21 pairs of phosphoric acid is reclaimed.
In the present embodiment, described burning gas washing device 3 is made up of washing tower 31, described washing tower 31 is a cavity configuration, inner cavity top is provided with shower nozzle 311, in the present embodiment, 2 washing towers 31 are connected, and air-flow enters at the bottom of first stage tower, and one-level tower top is discharged, then enter at the bottom of secondary tower, discharge from secondary tower top.Under the spray of two washing towers 31, carry out the absorption of Vanadium Pentoxide in FLAKES in air-flow and phosphoric acid recovery, spray liquid are stored in circulation groove 32, and carry out the circulation of liquid by pump 33, as shown in Figure 9.
Necessary pipeline, valve and instrument monitoring system is also comprised in the utility model.
Mud phosphorus burning sulphuric acid plant of the present utility model, has the following advantages:
1, the utility model is by the technical process of the burning of mud phosphorus, burning gas condensation and tail gas recycle and process unit, achieve high efficiente callback and the utilization of mud phosphorus, its concentration of the phosphoric acid of this explained hereafter can reach 70%, there is higher economic worth, and solving the problem of phosphorous slurry recovery, compared to turning pot recovery mud phosphorus production yellow phosphorus technique, there is higher security;
2, mud phosphorus burning sulphuric acid plant of the present utility model, by setting up burning gas washing device, effectively the mud phosphorus burning gas for carrying out condensation be carried out washing and recycling, improving the organic efficiency of mud phosphorus, and reduce environmental pollution, ensure safety and the environmental protection of production scene;
3, mud phosphorus burning sulphuric acid plant of the present utility model, its air transporting arrangement is arranged on the pipeline of burning gas washing device rear end, because burning gas washing device has lower temperature and lower Vanadium Pentoxide in FLAKES or phosphorus acid content, the acidproof requirement of resistance to gentleness of air transporting arrangement can be reduced, improve the wearing quality of air transporting arrangement.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. mud phosphorus burning sulphuric acid plant, it is characterized in that: comprise mud phosphorus combustion unit (1), burning gas condensing works (2), burning gas washing device (3) and air transporting arrangement (4), described mud phosphorus combustion unit (1), burning gas condensing works (2) and burning gas washing device (3) are connected successively, and described air transporting arrangement (4) is arranged on the pipeline of burning gas washing device (3) rear end.
2. mud phosphorus burning sulphuric acid plant as claimed in claim 1, it is characterized in that: described mud phosphorus combustion unit (1) comprises body of heater (11) and storage device (12), described storage device (12) is communicated with body of heater (11) by pipeline (13), and storage device (12) is provided with heating member or heat preservation member.
3. mud phosphorus burning sulphuric acid plant as claimed in claim 2, is characterized in that: the height of described storage device (12) is greater than the height that pipeline (13) exports.
4. mud phosphorus burning sulphuric acid plant as claimed in claim 1, be is characterized in that: described burning gas condensing works (2) is made up of condensing tower (21), is connected between condensing tower (21) by passage (22).
5. mud phosphorus burning sulphuric acid plant as claimed in claim 4, is characterized in that: described condensing tower (21) is made up of graphite material, is the condensation chamber (211) of hollow in condensing tower (21).
6. mud phosphorus burning sulphuric acid plant as claimed in claim 4, is characterized in that: be provided with deflector (221) in described passage (22).
7. mud phosphorus burning sulphuric acid plant as claimed in claim 4, is characterized in that: described burning gas condensing works (2) is composed in series by 5-10 condensing tower (21).
8. mud phosphorus burning sulphuric acid plant as claimed in claim 1, is characterized in that: described burning gas washing device (3) comprises washing tower (31), and described washing tower (31) inner cavity top is provided with shower nozzle (311).
9. mud phosphorus burning sulphuric acid plant as claimed in claim 8, is characterized in that: described washing tower (31) adopts graphite material to make.
10. mud phosphorus burning sulphuric acid plant as claimed in claim 8, is characterized in that: described burning gas washing device (3) is composed in series by 2 washing towers (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520489877.1U CN204873845U (en) | 2015-07-09 | 2015-07-09 | Phosphorous sludge burning relieving haperacidity device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520489877.1U CN204873845U (en) | 2015-07-09 | 2015-07-09 | Phosphorous sludge burning relieving haperacidity device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204873845U true CN204873845U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520489877.1U Expired - Fee Related CN204873845U (en) | 2015-07-09 | 2015-07-09 | Phosphorous sludge burning relieving haperacidity device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615415A (en) * | 2019-09-27 | 2019-12-27 | 成都易态科技有限公司 | Sludge phosphorus treatment system and process |
-
2015
- 2015-07-09 CN CN201520489877.1U patent/CN204873845U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615415A (en) * | 2019-09-27 | 2019-12-27 | 成都易态科技有限公司 | Sludge phosphorus treatment system and process |
| CN110615415B (en) * | 2019-09-27 | 2022-09-09 | 成都易态科技有限公司 | Sludge phosphorus treatment system and process |
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