CN204891584U - A high -efficient purifier for yellow phosphoric tail gas - Google Patents
A high -efficient purifier for yellow phosphoric tail gas Download PDFInfo
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- CN204891584U CN204891584U CN201520641852.9U CN201520641852U CN204891584U CN 204891584 U CN204891584 U CN 204891584U CN 201520641852 U CN201520641852 U CN 201520641852U CN 204891584 U CN204891584 U CN 204891584U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 147
- 239000003513 alkali Substances 0.000 claims abstract description 88
- 239000003518 caustics Substances 0.000 claims abstract description 69
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 238000000746 purification Methods 0.000 claims abstract description 20
- 230000001172 regenerating effect Effects 0.000 claims abstract description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 70
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 33
- 238000004140 cleaning Methods 0.000 claims description 20
- 238000005406 washing Methods 0.000 claims description 19
- 230000008676 import Effects 0.000 claims description 10
- 239000010865 sewage Substances 0.000 claims description 9
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 4
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 70
- 239000002737 fuel gas Substances 0.000 abstract description 8
- 239000012535 impurity Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 230000002378 acidificating effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 10
- 239000011574 phosphorus Substances 0.000 description 10
- 229910052698 phosphorus Inorganic materials 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 239000002912 waste gas Substances 0.000 description 8
- 238000005530 etching Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 4
- 229910052785 arsenic Inorganic materials 0.000 description 4
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000026676 system process Effects 0.000 description 2
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Abstract
The utility model discloses a high -efficient purifier for yellow phosphoric tail gas relates to the gas purification technique field, and it includes circulating water cistern, circulation alkali lye pond, circulation water purification installation, circulation alkali lye regenerating unit, deareator, vapour and liquid separator, two at least water wash columns that link to each other in order and two at least caustic wash towers that link to each other in order. The utility model discloses can get rid of harmful impurity and acidic material in the yellow phosphoric tail gas, corrode the part that its tail gas utilized equipment after avoiding it as the burning of feed gas or fuel gas, improve the life that tail gas utilized equipment.
Description
Technical field
The utility model relates to gas purification technique field, is specifically a kind of high-level cleaner for yellow phosphoric tail gas.
Background technology
Rock phosphate in powder, silica, coke mainly join in electric furnace by the production of yellow phosphorus, material melting after there is the reaction of the number of chemical such as the reduction of phosphorus, produce furnace gas and electroslag, furnace gas is delivered in condensing tower the phosphorus spraying water to reclaim in furnace gas in electric furnace.The phosphorus reclaimed enters in refinery pit after heating, insulation, rinsing, sedimentation, and thick phosphorus is separated into mud phosphorus and finished phosphorus, and finished phosphorus loads pan tank and uses siphon unlap again.Distribute from condensing tower tail gas out through the total water seal of tail gas, partial tail gas delivers to raw material stoving, and the igniting of all the other tail gas is emptying.Because this production technology is directly emptying by most of yellow phosphoric tail gas, therefore cause the waste of the energy.Often produce one ton of yellow phosphorus according to measuring and calculating, just have 2500m
3yellow phosphoric tail gas emptying, calculates utilization rate 90%, is equivalent to have lost 357 kilograms of standard coals.
Because yellow phosphoric tail gas is rich in CO (82% ~ 95%), therefore it can carry out secondary energy sources comprehensive utilization as combustion gas, to solve the problem of energy waste.But in yellow phosphoric tail gas also containing the deep-etching material such as phosphorus, sulphur, arsenic, fluorine, with partial impurities and a small amount of moisture content, if directly yellow phosphoric tail gas as fuel gas or unstripped gas are used, the parts of waste gas utilization equipment (as: burner, boiler, gas turbine, internal combustion engine, reaction tower, conveyance conduit) will be caused to lose efficacy after corrosion with blocking, sharply shorten the service life of waste gas utilization equipment and exhaust pipe road system.
Utility model content
For the defect existed in prior art, the purpose of this utility model is to provide a kind of high-level cleaner for yellow phosphoric tail gas, the objectionable impurities in yellow phosphoric tail gas and acidic materials can be removed, avoid the parts of its its waste gas utilization equipment of post-etching that burns as unstripped gas or fuel gas, improve the service life of waste gas utilization equipment.
For reaching above object, the technical scheme that the utility model is taked is: a kind of high-level cleaner for yellow phosphoric tail gas, comprise recirculated water cistern, circulation alkali liquid pool, circulating water purification device, circulation alkali liquor regenerating unit, moisture trap, gas-liquid separator, at least two water scrubbers be connected in turn and at least two caustic wash towers be connected in turn, wherein, in the water scrubber be connected in turn, last water scrubber is connected with the input of moisture trap; In the caustic wash tower be connected in turn, first caustic wash tower is connected with moisture trap output, and last caustic wash tower is connected with the input of gas-liquid separator; The sidewall of each water scrubber offers multiple water inlet and a delivery port, and the sidewall of each caustic wash tower offers multiple alkali lye import and an alkali lye outlet; Recirculated water cistern is communicated with the input of at least one water diversion tank by pipeline, the output of each water diversion tank is connected to the input of a washing pump, every platform washing delivery side of pump is communicated with by the water inlet of pipeline with all water scrubbers, and the delivery port of each water scrubber is communicated with recirculated water cistern by pipeline; One end of described circulating water purification device is connected with each washing delivery side of pump by pipeline, and the other end of circulating water purification device is communicated with the recirculated water water inlet of circulating water pool by pipeline; The liquid outlet of circulation alkali liquid pool is communicated with by the input of pipeline with at least one alkali cleaning pump, every platform alkali cleaning delivery side of pump is by the alkali lye inlet communication of pipeline and all caustic wash towers, one end of described circulation alkali liquor regenerating unit to be exported with the alkali lye of each caustic wash tower by pipeline and is connected, and the other end of circulation alkali liquor regenerating unit is communicated with by the inlet of pipeline with circulation alkali liquid pool.
On the basis of technique scheme, the top of described each water scrubber offers the first gas outlet, and the bottom of each water scrubber sidewall offers the first air inlet; In the water scrubber be connected in turn, the first gas outlet of previous water scrubber connects the first air inlet of a rear water scrubber by pipeline.
On the basis of technique scheme, the top of described each caustic wash tower offers the second gas outlet, and the sidewall of each caustic wash tower offers the second air inlet; In the caustic wash tower be connected in turn, the second gas outlet of previous caustic wash tower connects the second air inlet of a rear caustic wash tower by pipeline.
On the basis of technique scheme, the input of described moisture trap connects the first gas outlet of last water scrubber by pipeline; The output of moisture trap connects the second air inlet of first caustic wash tower.
On the basis of technique scheme, the input of described gas-liquid separator connects the second gas outlet of last caustic wash tower by pipeline.
On the basis of technique scheme, the bottom of described moisture trap offers sewage draining exit, and this sewage draining exit is communicated with recirculated water cistern by pipeline.
On the basis of technique scheme, the water inlet of described each water scrubber has 3, is distributed in the sidewall of water scrubber from top to bottom; The delivery port of each water scrubber is positioned at the bottom of water scrubber sidewall.
On the basis of technique scheme, the alkali lye import of described each caustic wash tower has 3, is distributed in the sidewall of caustic wash tower from top to bottom; The alkali lye outlet of each caustic wash tower is positioned at the bottom of caustic wash tower sidewall.
On the basis of technique scheme, described circulation alkali liquid pool is for being arranged at milk of lime or caustic soda liquid pool on ground.
On the basis of technique scheme, described recirculated water cistern is positioned at subsurface.
The beneficial effects of the utility model are:
1, the utility model carries out multi-stage water wash by arranging multiple water scrubber to yellow phosphoric tail gas, in order to the dust in cooling and removing tail gas, and simultaneously can remove portion HF and H
2s; By multiple caustic wash tower, multistage alkali cleaning is carried out to yellow phosphoric tail gas, eliminate impurity and the sour gas of the deep-etching such as phosphorus, sulphur, arsenic, fluorine contained in yellow phosphoric tail gas.Therefore, with the yellow phosphoric tail gas after purifying as unstripped gas or fuel gas, the parts corroding its waste gas utilization equipment can be avoided, extend the service life of waste gas utilization equipment, reduce the production cost of enterprise.
2, in the utility model, by arranging recirculated water cistern, recirculating water purification system, water diversion tank and washing pump, the waste water that water scrubber is discharged can be recycled, having saved water resource, reduced the production cost of enterprise.
3, in the utility model, by arranging circulation alkali liquid pool, circulation alkali liquor regenerating unit and alkali cleaning pump, the salkali waste that caustic wash tower is discharged can be recycled, turning waste into wealth, reduce purification cost.
4, the utility model high-level cleaner has simple, the easy to operate feature of structure, purification base stock is water and alkali (lime or caustic soda), raw material sources are extensive, and it is with low cost, and formed and recycle, do not waste, do not pollute, greatly reduce the cost of investment of tail gas comprehensive utilization project, be beneficial to and promote the use on a large scale.
Accompanying drawing explanation
Fig. 1 is the structural representation for the high-level cleaner of yellow phosphoric tail gas in the utility model embodiment.
Reference numeral:
1-water scrubber; 11-water inlet; 12-delivery port; 13-first air inlet; 14-first gas outlet;
2-caustic wash tower; The import of 21-alkali lye; 22-alkali lye exports; 23-second air inlet; 24-second gas outlet;
3-moisture trap; 31-sewage draining exit;
4-gas-liquid separator;
5-recirculated water cistern; 51-recirculated water water inlet;
6-circulation alkali liquid pool; 61-liquid outlet; 62-inlet;
7-water diversion tank; 8-washes pump; 9-alkali cleaning pump;
A-circulating water purification device; B-circulation alkali liquor regenerating unit; C-stop valve; D-electric control valve; E-Pressure gauge.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Shown in Figure 1, the utility model embodiment provides a kind of high-level cleaner for yellow phosphoric tail gas, comprise recirculated water cistern 5, circulation alkali liquid pool 6, circulating water purification device a, circulation alkali liquor regenerating unit b, moisture trap 3, gas-liquid separator 4, at least two water scrubbers 1 be connected in turn and at least two caustic wash towers 2 be connected in turn, in the present embodiment, water scrubber 1 and caustic wash tower 2 are respectively provided with two, the quantity of water scrubber 1 is more, the effect of washing is better, the quantity of caustic wash tower 2 is more, and the effect of alkali cleaning is better; Preferably, circulation alkali liquid pool 6 is for being arranged at ground milk of lime or caustic soda liquid pool, and recirculated water cistern 5 is positioned at subsurface.At least two water scrubbers 1 be connected in turn are a water scrubber group, and at least two caustic wash towers 2 be connected in turn are a caustic wash tower group, and water scrubber group, moisture trap 3, caustic wash tower group are connected successively with gas-liquid separator 4.
More specifically, in water scrubber group, the top of each water scrubber 1 offers the first gas outlet 14, and the bottom of each water scrubber 1 sidewall offers the first air inlet 13; First gas outlet 14 of previous water scrubber 1 connects the first air inlet 13 of a rear water scrubber 1 by pipeline, the first gas outlet 14 of last water scrubber 1 connects the input of moisture trap 3 by pipeline.
The sidewall of each water scrubber 1 offers multiple water inlet 11 and a delivery port 12, preferably, the water inlet 11 of each water scrubber 1 has 3, be distributed in the sidewall of water scrubber 1 from top to bottom, make clear water can enter water scrubber 1 from multiple different water inlet 11, improve the clean-up effect of water scrubber 1, and the delivery port 12 of each water scrubber 1 is positioned at the lower sidewall of water scrubber 1, is convenient to the sewage discharge of water scrubber 1 to recirculated water cistern 5.Recirculated water cistern 5 is communicated with by the input of pipeline with at least one water diversion tank 7 (being provided with 3 water diversion tanks 7 in the present embodiment), the output of each water diversion tank 7 is communicated with the input of a washing pump 8 (being provided with 3 washing pumps 8 in the present embodiment), the output of every platform washing pump 8 is communicated with by the water inlet 11 of pipeline with all water scrubbers 1, and the delivery port 12 of each water scrubber 1 is communicated with recirculated water cistern 5 by pipeline.Clean result in order to ensure recirculated water reaches technological requirement, circulating water purification device a is set, circulating water purification device a forms primarily of filter plant, slag removal equipment and PH neutralizing device, described circulating water purification device a one end is connected with each washing delivery side of pump by pipeline, and the other end of circulating water purification device a is communicated with the recirculated water water inlet 51 of circulating water pool 5 by pipeline; The function of circulating water purification device carries out purified treatment to recirculated water not up to standard, becomes qualified clear water by the water after cleaning system process, being got back to circulatory pool 5 continuation use by water pipe, guarantees the water washing effect of tail gas; Preferably, the bottom of moisture trap 3 offers sewage draining exit 31, and this sewage draining exit 31 is communicated with recirculated water cistern 5 by pipeline, can by Water Sproading isolated in moisture trap 3 to recirculated water cistern 5, decrease the consumption of water resource, reduce production cost.
More specifically, in caustic wash tower group, the top of each caustic wash tower 2 offers the second gas outlet 24, and the sidewall of each caustic wash tower 2 offers the second air inlet 23 near the position at middle part.The output of moisture trap 3 connects the second air inlet 23 of first caustic wash tower 2 by pipeline, second gas outlet 24 of previous caustic wash tower 2 connects the second air inlet 23 of a rear caustic wash tower 2 by pipeline, second gas outlet 24 of last caustic wash tower 2 connects the input of gas-liquid separator 4 by pipeline, yellow phosphoric tail gas after gas-liquid separation can be delivered to gas chamber as fuel gas or fuel gas or be delivered directly in waste gas utilization equipment by the output of gas-liquid separator 4, carries out secondary energy sources comprehensive utilization.
The sidewall of each caustic wash tower 2 offers multiple alkali lye import 21 and an alkali lye outlet 22; Preferably, the alkali lye import 21 of each caustic wash tower 2 has 3, is distributed in the sidewall of caustic wash tower 2 from top to bottom; Make alkali lye can enter caustic wash tower 2 from multiple different alkali lye import 21, improve the clean-up effect of caustic wash tower 2, and the alkali lye of each caustic wash tower 2 outlet 22 is positioned at the lower sidewall of caustic wash tower 2, is convenient to the alkali lye of caustic wash tower 2 to discharge; Clean result in order to ensure circulation alkali liquor reaches technological requirement, circulation alkali liquor regenerating unit b is set, circulation alkali liquor regenerating unit b forms primarily of filter plant, slag removal equipment and causticization reclaim equiment, one end of described circulation alkali liquor regenerating unit b exports 22 by pipeline with the alkali lye of each caustic wash tower 2 and is connected, and the other end of circulation alkali liquor regenerating unit is communicated with the inlet 62 of circulation alkali liquid pool 6 by pipeline.The function of circulation alkali liquor regenerating unit b recycles the circulation alkali liquor not reaching decontamination index, by becoming qualified alkali lye after regenerative system process, being got back to circulation alkali liquid pool 6 continuation use by pipeline, guarantees the alkali cleaning effect of tail gas.
The liquid outlet 61 of circulation alkali liquid pool 6 is communicated with by the input of pipeline with at least one alkali cleaning pump 9 (being provided with 3 alkali cleaning pumps 9 in the present embodiment), the output of every platform alkali cleaning pump 9 is communicated with by the alkali lye import 21 of pipeline with all caustic wash towers 2, the alkali lye outlet 22 of each caustic wash tower 2 is connected by the input of pipeline with alkali liquid regeneration system b, and the output of circulation alkali liquor regenerating unit b is communicated with the inlet 62 of circulation alkali liquid pool 6.
Above-mentioned all equipment is connected by pipeline, the pipeline of conveying liquid is all equipped with stop valve c, system different operating state and performance loop is formed by the different switch combinations of stop valve c, the pipe of conveying gas is all equipped with electric control valve d to upper, tail gas conveying capacity is regulated by the switch size of electric control valve d, Pressure gauge e is all equipped with the output channel of all water washing pumps and alkali cleaning pump, for regulating the pressure of cleaning solution.
Operation principle of the present utility model is:
Yellow phosphoric tail gas enters each water scrubber 1 successively by the input of water scrubber group, clear water in recirculated water cistern 5 is transported to each water scrubber 1 by washing pump 8 by water diversion tank 7 simultaneously, washing process is carried out to the yellow phosphoric tail gas in water scrubber 1, to carry out cooling dust removal process to it, remove the impurity of some of sulphur and the deep-etching such as fluorine, arsenic simultaneously.
The spray direction of the water in water scrubber group, forms counterflow exchange with the yellow phosphoric tail gas from bottom to top in tower from top to bottom, strengthening clean result;
Yellow phosphoric tail gas after washing is delivered to moisture trap 3 by the first gas outlet 14 and carries out gas-water separation, and the sewage after washing is then disposed to recirculated water cistern 5 by delivery port 12; Wash pump 8 output by pipeline underproof recirculated water to be transported to after circulating water purification device a carries out purified treatment and to turn back to circulating water pool 5 more simultaneously, and constantly circulate, guarantee that slurry is up to standard, ensure that water washing effect meets technological requirement;
Yellow phosphoric tail gas after gas-water separation enters each caustic wash tower 2 successively by the input of caustic wash tower group, the alkali lye of circulation alkali liquid pool 6 is transported to each caustic wash tower 2 by the pump of alkali cleaning simultaneously 9, alkali cleaning process is carried out to the yellow phosphoric tail gas in caustic wash tower 2, eliminates impurity and the sour gas of the deep-etching such as phosphorus, sulphur, arsenic, fluorine contained in yellow phosphoric tail gas.
The spray direction of the alkali lye in caustic wash tower group, forms counterflow exchange with the yellow phosphoric tail gas from bottom to top in tower from top to bottom, strengthening clean result; Underproof circulation alkali liquor is transported to circulation alkali liquor regenerating unit b by pipeline by the pump 9 of alkali cleaning simultaneously output to carry out becoming qualified alkali lye after regeneration processes, circulation alkali liquid pool 6 continuation use is being got back to by pipeline, and constantly circulate, guarantee that the PH concentration of the alkali lye of tail gas reaches service index, ensure that alkali cleaning effect meets technological requirement;
Yellow phosphoric tail gas after alkali cleaning is delivered to gas-liquid separator 4 by the second gas outlet 24 and carries out gas-liquid separation; Yellow phosphoric tail gas after gas-liquid separation can be delivered to gas chamber as fuel gas or fuel gas or be delivered directly in waste gas utilization equipment, carries out secondary energy sources comprehensive utilization.
The utility model is not only confined to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the utility model or akin technical scheme, all within its protection domain.
Claims (10)
1. the high-level cleaner for yellow phosphoric tail gas, it is characterized in that: comprise recirculated water cistern (5), circulation alkali liquid pool (6), circulating water purification device (a), circulation alkali liquor regenerating unit (b), moisture trap (3), gas-liquid separator (4), at least two water scrubbers (1) be connected in turn and at least two caustic wash towers (2) be connected in turn, wherein, in the water scrubber (1) be connected in turn, last water scrubber (1) is connected with the input of moisture trap (3); In the caustic wash tower (2) be connected in turn, first caustic wash tower (2) is connected with moisture trap (3) output, and last caustic wash tower (2) is connected with the input of gas-liquid separator (4); The sidewall of each water scrubber (1) offers multiple water inlet (11) and a delivery port (12), and the sidewall of each caustic wash tower (2) offers multiple alkali lye import (21) and alkali lye outlet (22);
Recirculated water cistern (5) is communicated with by the input of pipeline with at least one water diversion tank (7), the output of each water diversion tank (7) is connected to the input of a washing pump (8), the output of every platform washing pump (8) is communicated with the water inlet (11) of all water scrubbers (1) by pipeline, and the delivery port (12) of each water scrubber (1) is communicated with recirculated water cistern (5) by pipeline; One end of described circulating water purification device (a) is connected with each washing delivery side of pump by pipeline, and the other end of circulating water purification device (a) is communicated with the recirculated water water inlet (51) of circulating water pool (5) by pipeline;
The liquid outlet (61) of circulation alkali liquid pool (6) is communicated with by the input of pipeline with at least one alkali cleaning pump (9), the output of every platform alkali cleaning pump (9) is communicated with the alkali lye import (21) of all caustic wash towers (2) by pipeline, one end of described circulation alkali liquor regenerating unit (b) exports (22) by pipeline with the alkali lye of each caustic wash tower (2) and is connected, and the other end of circulation alkali liquor regenerating unit is communicated with the inlet (62) of circulation alkali liquid pool (6) by pipeline.
2. as claimed in claim 1 for the high-level cleaner of yellow phosphoric tail gas, it is characterized in that: the top of described each water scrubber (1) offers the first gas outlet (14), the bottom of each water scrubber (1) sidewall offers the first air inlet (13); In the water scrubber (1) be connected in turn, first gas outlet (14) of previous water scrubber (1) connects first air inlet (13) of a rear water scrubber (1) by pipeline.
3. as claimed in claim 2 for the high-level cleaner of yellow phosphoric tail gas, it is characterized in that: the top of described each caustic wash tower (2) offers the second gas outlet (24), the sidewall of each caustic wash tower (2) offers the second air inlet (23); In the caustic wash tower (2) be connected in turn, second gas outlet (24) of previous caustic wash tower (2) connects second air inlet (23) of a rear caustic wash tower (2) by pipeline.
4., as claimed in claim 3 for the high-level cleaner of yellow phosphoric tail gas, it is characterized in that: the input of described moisture trap (3) connects first gas outlet (14) of last water scrubber (1) by pipeline; The output of moisture trap (3) connects second air inlet (23) of first caustic wash tower (2).
5., as claimed in claim 3 for the high-level cleaner of yellow phosphoric tail gas, it is characterized in that: the input of described gas-liquid separator (4) connects second gas outlet (24) of last caustic wash tower (2) by pipeline.
6. as claimed in claim 1 for the high-level cleaner of yellow phosphoric tail gas, it is characterized in that: the bottom of described moisture trap (3) offers sewage draining exit (31), and this sewage draining exit (31) is communicated with recirculated water cistern (5) by pipeline.
7., as claimed in claim 1 for the high-level cleaner of yellow phosphoric tail gas, it is characterized in that: the water inlet (11) of described each water scrubber (1) has 3, is distributed in the sidewall of water scrubber (1) from top to bottom; The delivery port (12) of each water scrubber (1) is positioned at the bottom of water scrubber (1) sidewall.
8., as claimed in claim 1 for the high-level cleaner of yellow phosphoric tail gas, it is characterized in that: the alkali lye import (21) of described each caustic wash tower (2) has 3, is distributed in the sidewall of caustic wash tower (2) from top to bottom; Alkali lye outlet (22) of each caustic wash tower (2) is positioned at the bottom of caustic wash tower (2) sidewall.
9., as claimed in claim 1 for the high-level cleaner of yellow phosphoric tail gas, it is characterized in that: described circulation alkali liquid pool (6) is for being arranged at milk of lime or caustic soda liquid pool on ground.
10., as claimed in claim 1 for the high-level cleaner of yellow phosphoric tail gas, it is characterized in that: described recirculated water cistern (5) is positioned at subsurface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641852.9U CN204891584U (en) | 2015-08-24 | 2015-08-24 | A high -efficient purifier for yellow phosphoric tail gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641852.9U CN204891584U (en) | 2015-08-24 | 2015-08-24 | A high -efficient purifier for yellow phosphoric tail gas |
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| CN204891584U true CN204891584U (en) | 2015-12-23 |
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| CN201520641852.9U Active CN204891584U (en) | 2015-08-24 | 2015-08-24 | A high -efficient purifier for yellow phosphoric tail gas |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106369570A (en) * | 2016-08-26 | 2017-02-01 | 武汉东晟捷能科技有限公司 | System and method for increasing comprehensive heat energy utilization rate in hot-process phosphoric acid production process |
| CN106422707A (en) * | 2016-12-13 | 2017-02-22 | 江苏帕斯玛环境科技有限公司 | Exhaust gas treatment device in organic waste liquid treatment system |
| CN106582237A (en) * | 2016-12-14 | 2017-04-26 | 深圳市捷晶能源科技有限公司 | Incineration flue gas purification and cyclic treatment system |
| CN107781828A (en) * | 2016-08-25 | 2018-03-09 | 澄江县磷化工华业有限责任公司 | Yellow phosphoric tail gas utilization system |
| CN108057331A (en) * | 2017-12-20 | 2018-05-22 | 上海远跃制药机械有限公司 | A kind of skid-mounted system for being used to handle hydrogen sulfide |
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2015
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| CN106369570A (en) * | 2016-08-26 | 2017-02-01 | 武汉东晟捷能科技有限公司 | System and method for increasing comprehensive heat energy utilization rate in hot-process phosphoric acid production process |
| CN106422707A (en) * | 2016-12-13 | 2017-02-22 | 江苏帕斯玛环境科技有限公司 | Exhaust gas treatment device in organic waste liquid treatment system |
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| CN108057331A (en) * | 2017-12-20 | 2018-05-22 | 上海远跃制药机械有限公司 | A kind of skid-mounted system for being used to handle hydrogen sulfide |
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