CN107781828A - Yellow phosphoric tail gas utilization system - Google Patents
Yellow phosphoric tail gas utilization system Download PDFInfo
- Publication number
- CN107781828A CN107781828A CN201610720306.3A CN201610720306A CN107781828A CN 107781828 A CN107781828 A CN 107781828A CN 201610720306 A CN201610720306 A CN 201610720306A CN 107781828 A CN107781828 A CN 107781828A
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- Prior art keywords
- tube
- tower
- outside
- tail gas
- water tank
- Prior art date
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- Granted
Links
- 239000007789 gas Substances 0.000 claims abstract description 92
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 24
- 239000011574 phosphorus Substances 0.000 claims abstract description 24
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 claims abstract description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims abstract description 15
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 15
- 238000005201 scrubbing Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 96
- 238000002485 combustion reaction Methods 0.000 claims description 45
- 239000007788 liquid Substances 0.000 claims description 38
- 230000001681 protective effect Effects 0.000 claims description 33
- 239000003518 caustics Substances 0.000 claims description 24
- 239000002737 fuel gas Substances 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 230000001376 precipitating effect Effects 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 235000012489 doughnuts Nutrition 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 2
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
- F23L7/007—Supplying oxygen or oxygen-enriched air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
- F23L2900/07005—Injecting pure oxygen or oxygen enriched air
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
Abstract
The invention discloses a kind of yellow phosphoric tail gas utilization system.Solves the problems, such as gear drive teaching demonstration.Including the horizontal Yellow phosphorus furnace being sequentially communicated（10）, scrubbing tower, receive phosphorus groove（20）, buffer gas tank（30）, oxygenation combustion-supporting apparatus（40）, oxygen-enriched blower fan（50）, vertical combustor（1）, steam generator（60）And blow-down pipe（70）.The position of the scrubbing tower is higher than horizontal Yellow phosphorus furnace（10）, buffer gas tank（30）Position higher than receive phosphorus groove（20）, vertical combustor（1）Position be higher than buffer gas tank（30）With oxygen-enriched blower fan（50）, steam generator（60）Positioned at vertical combustor（1）Top.The present invention is flowed freely using rational layout, tail gas in whole recycling system, is inputted and is drawn without power, without using vavuum pump and air-introduced machine, reduce equipment, reduce the yellow phosphoric tail gas utilization system of corrosion of the tail gas to equipment, greatly reduce potential safety hazard.
Description
Technical field
The present invention relates to the purification and combustion of yellow phosphoric tail gas residual heat resources recycling field, more particularly to a kind of yellow phosphoric tail gas
Burn recovery system.
Background technology
Phosphoric acid is important phosphorous chemical industry raw material, is one of chemical products that yield is larger in the world, its being widely used in
Fertile industrial and other departments.China is phosphorus production state main in the world, and China's output phosphor substantially remains in often in recent years
In 800,000~1,000,000 tons of year, correspondingly produce the m3 of by-product yellow phosphoric tail gas 2,000,000,000~2,500,000,000.The production of yellow phosphorus is mainly
Rock phosphate in powder, silica, coke are added in electric furnace, after material melts in electric furnace and a variety of chemical reactions such as the reduction of phosphorus occur
Produce phosphorus steam and electroslag etc..Furnace gas enters the phosphorus in water spray recovery furnace gas in the condensing tower of four series connection.The phosphorus of recovery enters
Enter in refinery pit after heated, insulation, rinsing, sedimentation, thick phosphorus is separated into mud phosphorus and finished phosphorus, and finished phosphorus loads finished product
Groove uses siphon unlap again.Distributed from the phosphorus furnace exhaust gas that cooling tower comes out through the total water seal of tail gas, partly deliver to raw material stoving.Remaining
Tail gas igniting emptying, and carbon monoxide is rich in yellow phosphoric tail gas, content is 87%~92%, causes the waste of the energy.
Also occur the device that yellow phosphoric tail gas is used for burning boiler producing steam later, but due to also containing sulphur in yellow phosphoric tail gas
Change the impurity of high corrosion and a small amount of moisture such as hydrogen, white phosphorus, hydrogen phosphide, sulfur dioxide.CO can be used as fuel to use, but due to this
The presence of a little highly corrosive impurity, as boiler flue gas, often result in boiler component material corrosion when using yellow phosphoric tail gas and fail, if
The standby life-span greatly shortens.In addition, phosphorus furnace exhaust gas boiler of the same trade is required for power to input and draw at present, input is vacuum
Pump, extraction is air-introduced machine, and equipment needs substantial amounts of fund input and frequently repaired, based on 10,000 tons/year of yellow phosphorus electric furnaces of separate unit
Calculate, 264 degree of separate unit power consumption per hour.
For example, Chinese patent " system and method for improving yellow phosphoric tail gas comprehensive utilization ratio, 201410346322.1 ".
A kind of system and method for improving yellow phosphoric tail gas comprehensive utilization ratio are disclosed, are related to yellow phosphoric tail gas recycling field, should
System includes exhaust gas cleaner, tail gas burner, steam utilization apparatus and waste liquid recovery apparatus, exhaust gas cleaner and tail
Gas burner is connected, and tail gas burner is connected with steam utilization apparatus, waste liquid recovery apparatus；Exhaust gas cleaner includes
Dust arrester and deacidification device, tail gas burner include combustor, boiler, waste-heat recovery device, air-introduced machine and chimney；Remove
Dirt device, deacidification device, combustor, boiler, waste-heat recovery device, air-introduced machine and chimney are sequentially connected with；The outside of boiler is set
There is gas outlet valve, gas outlet valve includes main gas transferring port and branch gas transferring port, and being internally provided with for boiler is some using accumulation of heat made of rare earth
Brick, some gitter bricks are put into cellular；The present invention is more environmentally friendly, it is possible to increase the economic value of yellow phosphoric tail gas, improves yellow phosphorus
The utilization rate of tail gas.
The content of the invention
In order to overcome the disadvantages mentioned above of prior art, the present invention provides one kind and inputs and draw without power, without using true
Empty pump and air-introduced machine, reduce equipment, reduce the yellow phosphoric tail gas utilization system of corrosion of the tail gas to equipment, greatly reduce
Potential safety hazard.
The technical solution adopted for the present invention to solve the technical problems is：Yellow phosphoric tail gas utilization system, including successively
The horizontal Yellow phosphorus furnace 10 of connection, scrubbing tower, receive phosphorus groove 20, be buffer gas tank 30, oxygenation combustion-supporting apparatus 40, oxygen-enriched blower fan 50, vertical
Combustion chamber 1, steam generator 60 and blow-down pipe 70.
The position of the scrubbing tower is higher than horizontal Yellow phosphorus furnace 10, and the position of buffer gas tank 30 is higher than receipts phosphorus groove 20, vertical combustion
The position for burning room 1 is higher than buffer gas tank 30 and oxygen-enriched blower fan 50, and steam generator 60 is located at the top of vertical combustor 1, oxygenation
Auxiliary combustion equipment 40 is located at the bottom of vertical combustor 1.
The scrubbing tower includes the first caustic wash tower 21, the second caustic wash tower 22, the 3rd caustic wash tower 23, the 4th water being sequentially connected
Wash the water scrubber 25 of tower 24 and the 5th；The air inlet of first caustic wash tower 21 is connected with the horizontal offgas outlet of Yellow phosphorus furnace 10, Yellow phosphorus furnace
Tail gas enters the air inlet of next tower between scrubbing tower by the gas outlet of previous tower, and upper and lower loop is formed in tower, with
Increase washing area.
First caustic wash tower 21, the second caustic wash tower 22, the 3rd caustic wash tower 23 bottom drain at be provided with and receive phosphorus groove 20；The
4th, the delivery port of the 5th water scrubber is connected with the water inlet in water washing and precipitating pond, the delivery port in water washing and precipitating pond successively with heat exchange
Device is connected with the water inlet of water scrubber, to form spray water-flow circuit；And in the 4th water scrubber 24 and the 5th water scrubber 25
Base bleed mouth at be provided with buffer gas tank 30, for adjust wash after, burning before tail gas pressure.
The vertical combustor 1 includes body of heater, burner hearth 101, burner 102, fuel gas inlet 103 and exhanst gas outlet 104,
The bottom of burner hearth 101 is provided with fuel gas inlet 103, and burner 102, upper furnace elder generation and the shape of burner hearth 101 are provided with fuel gas inlet 103
Into 10 ° -30 ° of the introversion inclined-plane 105 within angle, make narrow egress, then be provided with to opposite direction and extend to the outer of body of heater edge
Inclined plane 106, makes outlet broaden, and forms the exhanst gas outlet 104 with appropriate upward draft；The top of vertical combustor 1 is set
The steam generator 60 of favourable the mount of using heat, the top of steam generator 60 are provided with chimney 70.
The oxygenation combustion-supporting apparatus 40 is located at the bottom of vertical combustor 1, including oxygen-enriched blower fan 50, air channel 51, stop valve
52 and spiral air inlet mechanism 4, oxygenation combustion-supporting apparatus 40 connects buffer gas tank 30, and going out by air channel 51 and oxygen-enriched blower fan 50
Air port connects, and air channel 51 is provided with stop valve 52, and air channel 51 connects spiral air inlet mechanism 4.
The spiral air inlet mechanism 4 is double tubular component, including combustion furnace adpting flange 401, offgas duct adpting flange
402nd, inner tube 403 and outer tube 404, the diameter of outer tube 404 are more than inner tube 403.The combustion furnace adpting flange 401 is arranged on outer
On the tube wall of pipe 404, positioned at the centre position of spiral air inlet mechanism 4, whole spiral air inlet mechanism 4 is divided for two parts, upper part
Combustion furnace is stretched into, lower part is located at outside combustion furnace.The part that the outer tube 404 stretches into combustion furnace is uncovered structure, positioned at burning
Part outside stove, its end are sealing structures, with the tube wall of said inner tube 403 be tightly connected, combustion furnace adpting flange 401 with it is close
Air inlet 405 is provided with the tube wall of outer tube 404 between end-blocking portion, the air inlet 405 is connected with air channel 2.Said inner tube 403 is stretched
It is consistent with outer tube 404 to enter the length of combustion furnace part, the two is concentric structure, the part outside combustion furnace, and its length is big
In outer tube 404, and end set offgas duct adpting flange 402, between the sealing end of outer tube 404 being reserved with offgas duct is connected
The installation site of flange 402, offgas duct adpting flange 402 are connected with offgas duct 6, form gas inlet passage 406.The outer tube
Annulus between 404 and inner tube 403 forms combustion air air inlet duct 407, and outer tube 404 and inner tube 403 stretch into the end of combustion furnace part
Portion, i.e. ring part are uniformly arranged the spiral wind delivery head being made up of cyclone plate 408, and single cyclone plate 408 is rectangle structure, its
It is wide consistent with the spacing of inner tube 403 and outer tube 404, two long sides tilt respectively be connected to after certain angle the inwall of outer tube 404 with
And on the outer wall of inner tube 403, after some pieces of cyclone plates 408 are sequentially arranged at intervals, are formed and had in the end of outer tube 404 and inner tube 403
There is the spiral wind delivery head in some inclination air channels.The connection of the cyclone plate 408 and the inwall of outer tube 404 and the outer wall of inner tube 403 is can
It is flexibly connected, cyclone plate 408 rotates along the axle being arranged on outer tube 404 and inner tube 403, adjusts its inclined angle, Jin Ershi
Now to the adjustment of combustion air wind direction, avoid in tail gas phosphorous particle in the case of no burning is complete by caused by combustion fan
Orientation wind-force, the work of wind speed are used as directed movement, are attached on heat exchange tube wall and burn away, are broken the oxide-film of protection tube wall
It is bad, and then corroded.
The steam generator 60 is located at the top of vertical combustor 1, including top layer water tank, bottom water tank and generator
Protection device.The top layer water tank includes upper inner cylinder 602 and upper outer barrel 603, is set between upper inner cylinder 602 and upper outer barrel 603 more
Root cross over pipe 604 connects, and the upper outside of outer barrel 603 is provided with outlet pipe.The bottom water tank includes lower inner cylinder 606 and lower outer barrel
607, set more cross over pipes 604 to connect between lower inner cylinder 606 and lower outer barrel 607, the lower outside of outer barrel 607 is provided with water inlet pipe.
The upper inner cylinder 602 and the lower geomery of inner cylinder 606 are consistent, and the interior of vertical direction distribution is provided therebetween and changes liquid pipe
609, inside change liquid pipe 609 and divide the inner side and outer side for for two layers, being connected to inner cylinder 602 and lower inner cylinder 606, inside and outside both sides
Inside change liquid pipe 609 to be distributed along the center of circle arc of upper inner cylinder 602 and lower inner cylinder 606 respectively, form the concentric structure of two tubulars,
The gap for being provided with and allowing air-flow to pass through inside is changed between liquid pipe 609.The upper outer barrel 603 and the lower geomery of outer barrel 607 are homogeneous
Cause, the outer of vertical direction distribution is provided therebetween and changes liquid pipe 610, liquid pipe 610 is changed outside and sets one layer, is connected to outer
The tube wall center position of cylinder 603 and lower outer barrel 607, a cylindrical structure is formed, change outside between liquid pipe 610 and be provided with permission air-flow
The gap passed through.
The generator protection device is arranged on the bottom of steam raising plant 60, including with top layer water tank and bottom water tank
The donut component that shape and size are consistent, are made up of interior annular 611 and outer toroid 612, interior annular 611 and outer toroid it
Between set connecting tube 613 connect, in 611 respective outside of outer toroid and interior annular, be respectively arranged with the guarantor that carbon steel steel plate surrounds
Shield, wherein the diameter of interior protective cover 614 is consistent with the external diameter of interior annular 611, the diameter of outer protective cover 615 and outer toroid it is outer
Footpath is consistent, is set in the side wall of interior protective cover 614 and accommodates the fluting 616 that cross over pipe 604 passes through.Generator protection device is arranged on
Lower floor's water tank lower end, interior annular 611 and outer toroid are vertically arranged in lower inner cylinder 606 and the lower section of lower outer barrel 607, the interior guarantor respectively
Shield 614 is changed between liquid pipe 609 and the outer cylindrical structure for changing liquid pipe 610 and being formed in penetrating, and outer protective cover 615 is arranged on changes liquid outside
The outside of pipe 610.
The interior protective cover 614 and outer protective cover 615 it is highly consistent, be top layer water tank, the 1/ of bottom water tank distance
5-1/4。
Generator protection device is blocked burner flame with interior annular 611 and outer toroid at a distance of position with lower floor's water tank
Separation and flame compound distance will not be advisable again.
It is UNICOM's structure between the interior annular 611 and outer toroid of generator protection device, and it is between lower floor water tank
Pipeline connection is provided with, inside is passed through recirculated water preheating, and it is provided with stopper on pipeline between lower floor water tank, is easy to
It is not influence top layer water tank, the recirculated water in bottom water tank to change generator protection device.
Beneficial effect：1. the present invention is flowed freely using rational layout, tail gas in whole recycling system, without
Power is inputted and drawn, and without using vavuum pump and air-introduced machine, is reduced equipment, is reduced the yellow phosphoric tail gas of corrosion of the tail gas to equipment
Utilization system, greatly reduce potential safety hazard.
2. present invention employs single adiabatic combustion stove, heating surface, upper furnace elder generation and burner hearth 101 are not arranged in it
10 ° -30 ° of the introversion inclined-plane 105 within angle is formed, makes narrow egress, then be provided with to opposite direction and extend to body of heater edge
Flare inclined-plane 106, makes outlet broaden, and the exhanst gas outlet 104 with appropriate upward draft is formed, as blower fan is being taken out.Make burning
Flue gas afterwards heats to steam raising plant in time, improves the burn-off rate of yellow phosphoric tail gas and its belongings, reduces and produces
Metal corrosion under scale, improve boiler life.
3. yellow phosphoric tail gas special steam generating means of the present invention uses for the heat recovery boiler of burning yellow phosphorus kiln gas
Special substance, interior barrel structure is added, and inside and outside bucket is communicated, and adds heating surface area, and heat can be cemented out as far as possible,
Heat is made full use of, low with energy, steam foot, and steam production is higher by 2-3 times compared with going together, and security performance is high, service life length.
4. the present invention is additionally arranged a generator protection device below lower floor's water tank, make phosphorus furnace exhaust gas flame and flue gas not
Lower floor's water tank is directly contacted, but contacts water tank protector, hot blast caused by burning passes through protective cover 13 and the shape of outer protective cover 14
Into the guiding of cartridge type space it is upward, lower floor's water tank is heated, and transmitted upwards through the space changed liquid pipe, to top layer
Water tank is heated, and because water tank protector is separately installed, and simple in construction, easily fabricated, cost is relatively low, and it is convenient to change.
After 5. combustion air is by oxygenation combustion-supporting apparatus of the present invention, into spiral divergent shape, brattice will not be formed, favorably
Broken up in by yellow phosphoric tail gas, it is high with the degrees of fusion of tail gas, heat exchange area is increased, makes burning more abundant, caused heat fills
Foot.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is vertical shaft furnace structural representation of the present invention.
Fig. 3 is spiral air inlet mechanism structural representation of the present invention.
Fig. 4 is the steam generator structural representation of the present invention with protector.
Fig. 5 is the cutting structural representation that generator protection device of the present invention is set.
In figure：Horizontal Yellow phosphorus furnace 10, receive phosphorus groove 20, buffer gas tank 30, oxygenation combustion-supporting apparatus 40, spiral air inlet mechanism 4, combustion
Stove adpting flange 401 is burnt, offgas duct adpting flange 402, inner tube 403, outer tube 404, air inlet 405, gas inlet passage 406, is helped
Fire wind air inlet duct 407, cyclone plate 408, oxygen-enriched blower fan 50, air channel 51, stop valve 52, vertical combustor 1, burner hearth 101, burner
102, fuel gas inlet 103, exhanst gas outlet 104, steam generator 60, blow-down pipe 70, the first caustic wash tower 21, the second caustic wash tower 22,
3rd caustic wash tower 23, the 4th water scrubber 24, the 5th water scrubber 25, upper inner cylinder 602, upper outer barrel 603, cross over pipe 604, outlet pipe,
Lower inner cylinder 606, lower outer barrel 607, water inlet pipe inside change liquid pipe 609, change liquid pipe 610, interior annular 611, outer toroid 612, connecting tube outside
613, interior protective cover 614, outer protective cover 615, fluting 616.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Embodiment 1
As Figure 1-5, yellow phosphoric tail gas utilization system, including horizontal Yellow phosphorus furnace 10, scrubbing tower, the receipts phosphorus groove being sequentially communicated
20th, buffer gas tank 30, oxygenation combustion-supporting apparatus 40, oxygen-enriched blower fan 50, vertical combustor 1, steam generator 60 and blow-down pipe 70.
The position of the scrubbing tower is higher than horizontal Yellow phosphorus furnace 10, and the position of buffer gas tank 30 is higher than receipts phosphorus groove 20, vertical combustion
The position for burning room 1 is higher than buffer gas tank 30 and oxygen-enriched blower fan 50, and steam generator 60 is located at the top of vertical combustor 1, oxygenation
Auxiliary combustion equipment 40 is located at the bottom of vertical combustor 1.
The scrubbing tower includes the first caustic wash tower 21, the second caustic wash tower 22, the 3rd caustic wash tower 23, the 4th water being sequentially connected
Wash the water scrubber 25 of tower 24 and the 5th；The air inlet of first caustic wash tower 21 is connected with the horizontal offgas outlet of Yellow phosphorus furnace 10, Yellow phosphorus furnace
Tail gas enters the air inlet of next tower between scrubbing tower by the gas outlet of previous tower, and upper and lower loop is formed in tower.
First caustic wash tower 21, the second caustic wash tower 22, the 3rd caustic wash tower 23 bottom drain at be provided with and receive phosphorus groove 20；The
4th, the delivery port of the 5th water scrubber is connected with the water inlet in water washing and precipitating pond, the delivery port in water washing and precipitating pond successively with heat exchange
Device is connected with the water inlet of water scrubber, to form spray water-flow circuit；And in the 4th water scrubber 24 and the 5th water scrubber 25
Base bleed mouth at be provided with buffer gas tank 30, for adjust wash after, burning before tail gas pressure.
The vertical combustor 1 includes body of heater, burner hearth 101, burner 102, fuel gas inlet 103 and exhanst gas outlet 104,
The bottom of burner hearth 101 is provided with fuel gas inlet 103, and burner 102, upper furnace elder generation and the shape of burner hearth 101 are provided with fuel gas inlet 103
Into 10 ° -30 ° of the introversion inclined-plane 105 within angle, make narrow egress, then be provided with to opposite direction and extend to the outer of body of heater edge
Inclined plane 106, makes outlet broaden, and forms the exhanst gas outlet 104 with appropriate upward draft；The top of vertical combustor 1 is set
The steam generator 60 of favourable the mount of using heat, the top of steam generator 60 are provided with chimney 70.
The oxygenation combustion-supporting apparatus 40 is located at the bottom of vertical combustor 1, including oxygen-enriched blower fan 50, air channel 51, stop valve
52 and spiral air inlet mechanism 4, oxygenation combustion-supporting apparatus 40 connects buffer gas tank 30, and going out by air channel 51 and oxygen-enriched blower fan 50
Air port connects, and air channel 51 is provided with stop valve 52, and air channel 51 connects spiral air inlet mechanism 4.
The spiral air inlet mechanism 4 is double tubular component, including combustion furnace adpting flange 401, offgas duct adpting flange
402nd, inner tube 403 and outer tube 404, the diameter of outer tube 404 are more than inner tube 403；The combustion furnace adpting flange 401 is arranged on outer
On the tube wall of pipe 404, positioned at the centre position of spiral air inlet mechanism 4, whole spiral air inlet mechanism 4 is divided for two parts, upper part
Combustion furnace is stretched into, lower part is located at outside combustion furnace；The part that the outer tube 404 stretches into combustion furnace is uncovered structure, positioned at burning
Part outside stove, its end are sealing structures, with the tube wall of said inner tube 403 be tightly connected, combustion furnace adpting flange 401 with it is close
Air inlet 405 is provided with the tube wall of outer tube 404 between end-blocking portion, the air inlet 405 is connected with air channel 2；Said inner tube 403 is stretched
It is consistent with outer tube 404 to enter the length of combustion furnace part, the two is concentric structure, the part outside combustion furnace, and its length is big
In outer tube 404, and end set offgas duct adpting flange 402, between the sealing end of outer tube 404 being reserved with offgas duct is connected
The installation site of flange 402, offgas duct adpting flange 402 are connected with offgas duct 6, form gas inlet passage 406；The outer tube
Annulus between 404 and inner tube 403 forms combustion air air inlet duct 407, and outer tube 404 and inner tube 403 stretch into the end of combustion furnace part
Portion, i.e. ring part are uniformly arranged the spiral wind delivery head being made up of cyclone plate 408, and single cyclone plate 408 is rectangle structure, its
It is wide consistent with the spacing of inner tube 403 and outer tube 404, two long sides tilt respectively be connected to after certain angle the inwall of outer tube 404 with
And on the outer wall of inner tube 403, after some pieces of cyclone plates 408 are sequentially arranged at intervals, are formed and had in the end of outer tube 404 and inner tube 403
There is the spiral wind delivery head in some inclination air channels；The connection of the cyclone plate 408 and the inwall of outer tube 404 and the outer wall of inner tube 403 is can
It is flexibly connected, cyclone plate 408 rotates along the axle being arranged on outer tube 404 and inner tube 403.Adjust its inclined angle, Jin Ershi
Now to the adjustment of combustion air wind direction, avoid in tail gas phosphorous particle in the case of no burning is complete by caused by combustion fan
Orientation wind-force, the work of wind speed are used as directed movement, are attached on heat exchange tube wall and burn away, are broken the oxide-film of protection tube wall
It is bad, and then corroded.
The steam generator 60 is located at the top of vertical combustor 1, including top layer water tank, bottom water tank and generator
Protection device；The top layer water tank includes upper inner cylinder 602 and upper outer barrel 603, is set between upper inner cylinder 602 and upper outer barrel 603 more
Root cross over pipe 604 connects, and the upper outside of outer barrel 603 is provided with outlet pipe；The bottom water tank includes lower inner cylinder 606 and lower outer barrel
607, set more cross over pipes 604 to connect between lower inner cylinder 606 and lower outer barrel 607, the lower outside of outer barrel 607 is provided with water inlet pipe；
The upper inner cylinder 602 and the lower geomery of inner cylinder 606 are consistent, and the interior of vertical direction distribution is provided therebetween and changes liquid pipe
609, inside change liquid pipe 609 and divide the inner side and outer side for for two layers, being connected to inner cylinder 602 and lower inner cylinder 606, inside and outside both sides
Inside change liquid pipe 609 to be distributed along the center of circle arc of upper inner cylinder 602 and lower inner cylinder 606 respectively, form the concentric structure of two tubulars,
The gap for being provided with and allowing air-flow to pass through inside is changed between liquid pipe 609；The upper outer barrel 603 and the lower geomery of outer barrel 607 are homogeneous
Cause, the outer of vertical direction distribution is provided therebetween and changes liquid pipe 610, liquid pipe 610 is changed outside and sets one layer, is connected to outer
The tube wall center position of cylinder 603 and lower outer barrel 607, a cylindrical structure is formed, change outside between liquid pipe 610 and be provided with permission air-flow
The gap passed through.
Embodiment 2
Embodiment is the same as embodiment 1, difference：The generator protection device is arranged on the bottom of steam raising plant 60
Portion, including it is consistent with top layer water tank and bottom water tank shape and size, be made up of interior annular 611 and outer toroid 612 it is concentric
Ring component, connecting tube 613 is set to connect between interior annular 611 and outer toroid, it is respective outer in outer toroid and interior annular 611
Side, the protective cover that carbon steel steel plate surrounds is respectively arranged with, wherein the diameter of interior protective cover 614 is consistent with the external diameter of interior annular 611,
The diameter of outer protective cover 615 is consistent with the external diameter of outer toroid, sets receiving cross over pipe 604 to pass through in the side wall of interior protective cover 614
Fluting 616；Generator protection device is arranged on lower floor's water tank lower end, and interior annular 611 and outer toroid are vertically arranged in down respectively
Inner cylinder 606 and the lower section of lower outer barrel 607, the interior protective cover 614 penetrate the interior cylinder for changing liquid pipe 609 and changing the formation of liquid pipe 610 outside
Between structure, outer protective cover 615 is arranged on outer change on the outside of liquid pipe 610.
The interior protective cover 614 and outer protective cover 615 it is highly consistent, be top layer water tank, the 1/ of bottom water tank distance
4。
Generator protection device is blocked burner flame with interior annular 611 and outer toroid at a distance of position with lower floor's water tank
Separation and flame compound distance will not be advisable again.
It is UNICOM's structure between the interior annular 611 and outer toroid of generator protection device, and it is between lower floor water tank
Pipeline connection is provided with, inside is passed through recirculated water preheating, and it is provided with stopper on pipeline between lower floor water tank, is easy to
It is not influence top layer water tank, the recirculated water in bottom water tank to change generator protection device.
Embodiment 3
Embodiment is the same as embodiment 2, difference：The generator protection device is arranged on the bottom of steam raising plant 60
Portion, including it is consistent with top layer water tank and bottom water tank shape and size, be made up of interior annular 611 and outer toroid 612 it is concentric
Ring component, connecting tube 613 is set to connect between interior annular 611 and outer toroid, it is respective outer in outer toroid and interior annular 611
Side, the protective cover that carbon steel steel plate surrounds is respectively arranged with, wherein the diameter of interior protective cover 614 is consistent with the external diameter of interior annular 611,
The diameter of outer protective cover 615 is consistent with the external diameter of outer toroid, sets receiving cross over pipe 604 to pass through in the side wall of interior protective cover 614
Fluting 616；Generator protection device is arranged on lower floor's water tank lower end, and interior annular 611 and outer toroid are vertically arranged in down respectively
Inner cylinder 606 and the lower section of lower outer barrel 607, the interior protective cover 614 penetrate the interior cylinder for changing liquid pipe 609 and changing the formation of liquid pipe 610 outside
Between structure, outer protective cover 615 is arranged on outer change on the outside of liquid pipe 610.
The interior protective cover 614 and outer protective cover 615 it is highly consistent, be top layer water tank, the 1/ of bottom water tank distance
5。
Generator protection device is blocked burner flame with interior annular 611 and outer toroid at a distance of position with lower floor's water tank
Separation and flame compound distance will not be advisable again.
It is UNICOM's structure between the interior annular 611 and outer toroid of generator protection device, and it is between lower floor water tank
Pipeline connection is provided with, inside is passed through recirculated water preheating, and it is provided with stopper on pipeline between lower floor water tank, is easy to
It is not influence top layer water tank, the recirculated water in bottom water tank to change generator protection device.
Claims (3)
1. yellow phosphoric tail gas utilization system, it is characterised in that：Including the horizontal Yellow phosphorus furnace being sequentially communicated（10）, scrubbing tower, receipts
Phosphorus groove（20）, buffer gas tank（30）, oxygenation combustion-supporting apparatus（40）, oxygen-enriched blower fan（50）, vertical combustor（1）, steam generator
（60）And blow-down pipe（70）；
The position of the scrubbing tower is higher than horizontal Yellow phosphorus furnace（10）, buffer gas tank（30）Position higher than receive phosphorus groove（20）, it is vertical
Combustion chamber（1）Position be higher than buffer gas tank（30）With oxygen-enriched blower fan（50）, steam generator（60）Positioned at vertical combustor（1）
Top, oxygenation combustion-supporting apparatus（40）Positioned at vertical combustor（1）Bottom；
The scrubbing tower includes the first caustic wash tower being sequentially connected（21）, the second caustic wash tower（22）, the 3rd caustic wash tower（23）, the 4th
Water scrubber（24）With the 5th water scrubber（25）；First caustic wash tower（21）Air inlet and horizontal Yellow phosphorus furnace（10）Offgas outlet is connected
Connecing, tail gas of yellow phosphorus boiler through enters the air inlet of next tower between scrubbing tower by the gas outlet of previous tower, formed in tower,
Lower loop；
First caustic wash tower（21）, the second caustic wash tower（22）, the 3rd caustic wash tower（23）Bottom drain at be provided with receive phosphorus groove（20）；
The delivery port of four, the 5th water scrubbers is connected with the water inlet in water washing and precipitating pond, and the delivery port in water washing and precipitating pond is successively with changing
Hot device is connected with the water inlet of water scrubber, to form spray water-flow circuit；And in the 4th water scrubber（24）With the 5th washing
Tower（25）Base bleed mouth at be provided with buffer gas tank（30）, for adjust wash after, burning before tail gas pressure；
The vertical combustor（1）Including body of heater, burner hearth（101）, burner 102）, fuel gas inlet（103）And exhanst gas outlet
（104）, burner hearth（101）Bottom is provided with fuel gas inlet（103）, fuel gas inlet（103）On burner is installed（102）, on burner hearth
Elder generation of portion and burner hearth（101）Form 10 ° -30 ° of the introversion inclined-plane within angle（105）, make narrow egress, then be provided with to opposite direction
Extend to the flare inclined-plane at body of heater edge（106）, outlet is broadened, form the exhanst gas outlet with appropriate upward draft
（104）；Vertical combustor（1）Top be provided with using heat steam generator（60）, steam generator（60）Top is provided with
Chimney（70）；
The oxygenation combustion-supporting apparatus（40）Located at vertical combustor（1）Bottom, including oxygen-enriched blower fan（50）, air channel（51）, cut
Only valve（52）And spiral air inlet mechanism（4）, oxygenation combustion-supporting apparatus（40）Connect buffer gas tank（30）, and pass through air channel（51）With
Oxygen-enriched blower fan（50）Air outlet connection, air channel（51）It is provided with stop valve（52）, air channel（51）Connect spiral air inlet mechanism
（4）；
The spiral air inlet mechanism（4）For double tubular component, including combustion furnace adpting flange（401）, offgas duct adpting flange
（402）, inner tube（403）And outer tube（404）, outer tube（404）Diameter be more than inner tube（403）；The combustion furnace adpting flange
（401）It is arranged on outer tube（404）On tube wall, positioned at spiral air inlet mechanism（4）Centre position, by whole spiral air inlet mechanism
（4）It is divided into two parts, upper part stretches into combustion furnace, and lower part is located at outside combustion furnace；The outer tube（404）Stretch into the portion of combustion furnace
It is uncovered structure to divide, and the part outside combustion furnace, its end is sealing structure, with said inner tube（403）Tube wall is tightly connected,
In combustion furnace adpting flange（401）Outer tube between sealing end（404）Air inlet is provided with tube wall（405）, the air intake
Mouthful（405）With air channel（2）It is connected；Said inner tube（403）Stretch into the length and outer tube of combustion furnace part（404）Unanimously, the two is
Concentric structure, the part outside combustion furnace, its length are more than outer tube（404）, and end set offgas duct adpting flange
（402）, with outer tube（404）Sealing end between be reserved with offgas duct adpting flange（402）Installation site, offgas duct connection
Flange（402）With offgas duct（6）Connection, form gas inlet passage（406）；The outer tube（404）And inner tube（403）Between circle
Ring forms combustion air air inlet duct（407）, outer tube（404）And inner tube（403）End, the i.e. ring part for stretching into combustion furnace part is equal
Even setting is by cyclone plate（408）The spiral wind delivery head of composition, single cyclone plate（408）For rectangle structure, its wide and inner tube
（403）And outer tube（404）Spacing it is consistent, two long sides are connected to outer tube after tilting certain angle respectively（404）Inwall and
Inner tube（403）On outer wall, some pieces of cyclone plates（408）After being sequentially arranged at intervals, in outer tube（404）And inner tube（403）End
Form the spiral wind delivery head with some inclination air channels；The cyclone plate（408）With outer tube（404）Inwall and inner tube（403）Outside
The connection of wall is movable connection, cyclone plate（408）Edge is arranged on outer tube（404）And inner tube（403）On axle rotate；
The steam generator（60）Located at vertical combustor（1）Top, including top layer water tank, bottom water tank and generator
Protection device；The top layer water tank includes upper inner cylinder（602）With upper outer barrel（603）, upper inner cylinder（602）With upper outer barrel（603）It
Between more cross over pipes are set（604）Connection, upper outer barrel（603）Outside is provided with outlet pipe；The bottom water tank includes lower inner cylinder
（606）With lower outer barrel（607）, lower inner cylinder（606）With lower outer barrel（607）Between more cross over pipes are set（604）Connection, lower outer barrel
（607）Outside is provided with water inlet pipe；The upper inner cylinder（602）With lower inner cylinder（606）Geomery is consistent, sets therebetween
There is the interior of vertical direction distribution to change liquid pipe（609）, inside change liquid pipe（609）It is divided into two layers, is connected to inner cylinder（602）With under
Inner cylinder（606）Inner side and outer side, change liquid pipe in inside and outside both sides（609）Respectively along upper inner cylinder（602）With lower inner cylinder（606）'s
Center of circle arc distribution, forms the concentric structure of two tubulars, inside changes liquid pipe（609）Between be provided with and allow between air-flow passes through
Gap；The upper outer barrel（603）With lower outer barrel（607）Geomery is consistent, and the outer of vertical direction distribution is provided therebetween
Change liquid pipe（610）, liquid pipe is changed outside（610）One layer is set, is connected to outer barrel（603）With lower outer barrel（607）Tube wall just
Middle position, a cylindrical structure is formed, changes liquid pipe outside（610）Between be provided with and allow the gap that passes through of air-flow.
2. yellow phosphoric tail gas utilization system as claimed in claim 1, it is characterised in that：The generator protection device is set
In steam raising plant（60）Bottom, including it is consistent with top layer water tank and bottom water tank shape and size, by interior annular
（611）And outer toroid（612）The donut component of composition, interior annular（611）Connecting tube is set between outer toroid（613）Even
Connect, in outer toroid and interior annular（611）Respective outside, the protective cover that carbon steel steel plate surrounds is respectively arranged with, wherein interior protection
Cover（614）Diameter and interior annular（611）External diameter it is consistent, outer protective cover（615）Diameter it is consistent with the external diameter of outer toroid, it is interior
Protective cover（614）Side wall on set accommodate cross over pipe（604）The fluting passed through（616）；Generator protection device is arranged on down
Layer water tank lower end, interior annular（611）It is vertically arranged in lower inner cylinder respectively with outer toroid（606）With lower outer barrel（607）Lower section, it is described
Interior protective cover（614）Liquid pipe is changed in penetrating（609）With change liquid pipe outside（610）Between the cylindrical structure of formation, outer protective cover（615）
Liquid pipe is changed outside being arranged on（610）Outside.
3. yellow phosphoric tail gas utilization system as claimed in claim 2, it is characterised in that：The interior protective cover（614）With it is outer
Protective cover（615）It is highly consistent, be top layer water tank, the 1/5-1/4 of bottom water tank distance.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610720306.3A CN107781828B (en) | 2016-08-25 | 2016-08-25 | Yellow phosphoric tail gas utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610720306.3A CN107781828B (en) | 2016-08-25 | 2016-08-25 | Yellow phosphoric tail gas utilization system |
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| Publication Number | Publication Date |
|---|---|
| CN107781828A true CN107781828A (en) | 2018-03-09 |
| CN107781828B CN107781828B (en) | 2019-03-01 |
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ID=61388908
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115193178A (en) * | 2022-06-29 | 2022-10-18 | 成都易态科技有限公司 | Flue gas filtering and dust removing device and yellow phosphorus flue gas purification system |
| CN116966724A (en) * | 2023-09-19 | 2023-10-31 | 山西诺成制药有限公司 | Solvent circulation type efficient absorption spray tower |
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| CN201032141Y (en) * | 2007-03-30 | 2008-03-05 | 云南功业锅炉有限公司 | Yellow phosphorus tail gas combustion utilizing boiler |
| CN201407641Y (en) * | 2009-01-22 | 2010-02-17 | 武汉天元锅炉有限责任公司 | Boiler burning yellow phosphorus tail gas |
| CN203200230U (en) * | 2013-04-28 | 2013-09-18 | 大唐时代节能科技有限公司 | Purifying and power generating device of yellow phosphorus tail gas |
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| CN115193178A (en) * | 2022-06-29 | 2022-10-18 | 成都易态科技有限公司 | Flue gas filtering and dust removing device and yellow phosphorus flue gas purification system |
| CN115193178B (en) * | 2022-06-29 | 2023-07-04 | 成都易态科技有限公司 | Flue gas filtering and dust removing device and yellow phosphorus flue gas purifying system |
| CN116966724A (en) * | 2023-09-19 | 2023-10-31 | 山西诺成制药有限公司 | Solvent circulation type efficient absorption spray tower |
| CN116966724B (en) * | 2023-09-19 | 2023-12-12 | 山西诺成制药有限公司 | Solvent circulation type efficient absorption spray tower |
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| CN107781828B (en) | 2019-03-01 |
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Address after: 652500 dongjishao yeyatang, Jiucun Town, Chengjiang City, Yuxi City, Yunnan Province Patentee after: Yunnan Chengjiang Huaye Phosphorus Chemical Co.,Ltd. Address before: 652500 dongjishao yeyatang, Jiucun Town, Chengjiang County, Yuxi City, Yunnan Province Patentee before: CHENGJIANG HUAYE PHOSPHORUS CHEMICALS Co.,Ltd. |
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