CN110180295A - A kind of energy-saving clarifying smoke method and device thereof - Google Patents
A kind of energy-saving clarifying smoke method and device thereof Download PDFInfo
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- CN110180295A CN110180295A CN201910606426.4A CN201910606426A CN110180295A CN 110180295 A CN110180295 A CN 110180295A CN 201910606426 A CN201910606426 A CN 201910606426A CN 110180295 A CN110180295 A CN 110180295A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- 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
- B01D53/46—Removing components of defined structure
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- 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
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- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
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Abstract
The present invention provides a kind of energy-saving clarifying smoke method and device thereof, the smoke and dust purifier includes dust-extraction unit and heating device, dust-extraction unit includes absorption tower, circulating pump, gas-liquid separation device and demister, spraying mechanism is provided in absorption tower, evaporation device and electric heating tube I, spraying mechanism includes several segmentation covers I and segmentation cover II, evaporation device includes several heat-conducting plates and several row's heating components, heating component includes electric heating tube II, electric heating tube III and electric heating tube IV, heating device includes return pipe and tubular heat exchanger, the inlet end of tubular heat exchanger is provided with axial flow blower, the outlet side of tubular heat exchanger is connected with absorption tower, one end of return pipe is connected with the feed inlet on tubular heat exchanger top, the other end of return pipe is connected with the feed opening of the segmentation cover II of lowermost end, this hair The bright concentration that byproduct phosphoric acid is continuously improved by the way of cyclic absorption, is conducive to the recycling and reusing of byproduct.
Description
Technical field
The present invention relates to the purification techniques fields of flue dust in copper-phosphorus alloy fusion process, and in particular to a kind of energy-saving flue dust
Purification method and its device.
Background technique
A large amount of flue dust is generated in copper-phosphorus alloy fusion process, flue dust ingredient is mainly P2O5。P2O5It meets water and produces corrosion
Property phosphoric acid, or even the metaphosphoric acid of severe toxicity forms acid rain, seriously endangers ecological environment and human health.It is generallyd use in production
Sack cleaner collects copper-phosphorus alloy melting flue dust, but P2O5The easy moisture absorption, bonding carbon black form sticky mass, are attached to defeated cigarette
Inner wall of the pipe and filter bag block filter bag, and efficiency of dust collection is lower and is unfavorable for the recovery processing of flue dust solid waste.Under room temperature, P2O5In water
Solubility it is very low, the effect of casting industry common water cleaner processing copper-phosphorus alloy melting flue dust is undesirable.
Summary of the invention
Present invention is primarily intended to solve the above problems, the object of the present invention is to provide a kind of energy-saving clarifying smoke methods
And its device, the concentration of byproduct phosphoric acid is continuously improved by the way of cyclic absorption, is conducive to the recycling of byproduct phosphoric acid again
It utilizes.
The present invention to solve above-mentioned technical problem the technical solution adopted is that: a kind of energy-saving smoke and dust purifier, the cigarette
Dirt purification device includes dust-extraction unit and heating device, the dust-extraction unit include absorption tower, circulating pump, gas-liquid separation device and
The input terminal of demister, the circulating pump is connected by connecting tube I with absorption tower, and the output end of the circulating pump passes through spray
Shower pipe is connected with the spray head being arranged in absorption tower；Spraying mechanism, evaporation device and electricity is provided in the absorption tower to add
Heat pipe I, the spraying mechanism, the evaporation device and the electric heating tube I are set gradually from top to bottom；
The lower section of spray head is arranged in the spraying mechanism, and the spraying mechanism includes several segmentation covers I, several segmentation covers
I interval setting from top to bottom, the lower section of each segmentation cover I are symmetrically arranged with a segmentation cover II, and the segmentation cover I is in
Cone, for the segmentation cover II in the cone to stand upside down, the bottom of the segmentation cover II is provided with feed opening, the segmentation cover I
It is made of with segmentation cover II steel wire that mesh number is 80 ~ 200 mesh.
Further, the gas-liquid separation device and the demister are successively set on the absorption tower from top to bottom
Top, the gas-liquid separation device are gas-liquid separator, which is the wave that corrugated plating orientation is vertical direction
The top of card gas-liquid separator, gas-liquid separator is provided with water supplement port.
Further, the demister is demister, which is mesh mist eliminator.
Further, the bottom in the absorption tower is arranged in the electric heating tube I, is provided with spray in the absorption tower
Liquid is provided with the sensor for measuring spray liquid temperature on the absorption tower, is provided on the side wall of the absorption tower bottom end
Acid discharge mouth is provided with control valve I at the acid discharge mouth.
Further, the apex angle of the segmentation cover I is 60 ~ 150 °, and the base angle of the segmentation cover II is 60 ~ 150 °.
Further, the central axis of the spray head, the central axis of the reflux spray head, the segmentation are covered in I
The central axis of mandrel line, the central axis of the segmentation cover II and heat-conducting plate is overlapped with the central axis on absorption tower.
Further, the heating component includes electric heating tube II, electric heating tube III and electric heating tube IV, the electric heating
Pipe II, the electric heating tube III and the electric heating tube IV are set gradually in the horizontal direction, the electric heating tube II and the electricity
Heating tube IV is symmetrical arranged about the central axis on absorption tower, on the inner wall on one end installation absorption tower of the electric heating tube II,
The other end of the electric heating tube II is connected after sequentially passing through each heat-conducting plate from top to bottom with connector I, the electric heating
On the inner wall on one end installation absorption tower of pipe IV, it is thermally conductive that the other end of the electric heating tube IV sequentially passes through each from top to bottom
It is connected after plate with connector II, the connector I and the connector II are respectively positioned on the top of evaporation device top heat-conducting plate,
One end of the electric heating tube III is connected with connector I, and the other end of the electric heating tube III is connected with connector II.
Further, the evaporation device includes several heat-conducting plates and several row's heating components, and the heat-conducting plate is circle
Shape, several heat-conducting plates are set gradually from top to bottom and the area of heat-conducting plate is sequentially increased from top to bottom, each heat-conducting plate
Central axis coincides, and the setting that several row's heating components are parallel to each other is on heat-conducting plate.
Further, the heating device includes return pipe and tubular heat exchanger, the air inlet of the tubular heat exchanger
End is provided with axial flow blower, and the outlet side of the tubular heat exchanger is connected with the absorption tower, one end of the return pipe
Be connected with the feed inlet that tubular heat exchanger top is arranged in, the other end of the return pipe pass through behind absorption tower with spray thrower
The feed opening of the segmentation cover II of structure lowermost end is connected, and the discharge port of the tubular heat exchanger is existed by connecting tube II and setting
Reflux spray head in absorption tower is connected, which is arranged in the top of evaporation device.
A kind of clarifying smoke method of energy-saving clarifying smoke device, comprising the following steps:
1) switch for starting electric heating tube I, keeps the temperature after spray liquid is heated to 80~100 DEG C, by sensor feedback control plus
Hot temperature；Start electric heating tube II, electric heating tube III and electric heating tube IV, heating heat-conducting plate to red-hot state；Start circulating pump,
Hot water is flowed out from spray head, is radiated along segmentation cover I in umbrella shape, is then flowed into the segmentation cover II being arranged in below segmentation cover I, spray
It drenches liquid and is flowed out along segmentation II inner wall of cover from the feed opening of segmentation cover II, divided from the spray liquid of II outflow of segmentation cover along setting
The segmentation cover I of II lower section of cover is radiated in umbrella shape, is repeated the above steps, finally, segmentation cover of the spray liquid from spraying mechanism lowermost end
II feed opening flows into return pipe, is entered in tubular heat exchanger by return pipe, the spray in tubular heat exchanger shell side
When liquid is continuous full, spray liquid falls on red-hot multilayered thermally-conductive plate from reflux spray head outflow, forms a large amount of vapor；
2) axial flow blower of tubular heat exchanger inlet end is opened, copper-phosphorus alloy melting flue dust walks tube side and enters shell and tube heat exchange
Device exports after being heated to 360~400 DEG C, into absorption tower, I composition hot water curtain of hot spray liquid and segmentation cover, under hot water curtain is closed
Spray liquid in vapor and flue dust in P2O5It comes into full contact with, chemical reaction occurs and generates phosphoric acid；In the effect of axial flow blower
Under, the flue dust pressure under hot water curtain is closed gradually rises, and it is unlimited that the steel wire on segmentation cover I and II surface of segmentation cover carries out flue dust
Segmentation, P of the flue dust of limitless defense right under the souring of hot water curtain, in flue dust2O5It is sufficiently reacted with water, the phosphoric acid quilt of generation
It is absorbed into spray liquid, spray equipment is transmitted back to by circulating pump and continues circulated sprinkling；Flue dust tail gas passes through gas-liquid separation
Device, phosphoric acid drop under gravity, flow back into spray liquid；Then flue dust tail gas passes through mesh mist eliminator, and fog occurs cold
It is solidifying, it forms droplet and is finally back in spray liquid；After phosphoric acid reaches a certain concentration in spray liquid, absorb the bottom of the tower control is opened
Valve I collects the phosphoric acid that reaction generates；The control valve II of water supplement port is opened to absorption tower moisturizing, corrugated plating is directly rinsed,
Then the water of supplement is heated to the temperature set in step 1), circuits sequentially and realizes that copper-phosphorus alloy melting flue dust absorbs.
Beneficial effects of the present invention are mainly manifested in the following aspects:
1. absorbing the P in flue dust using vapor and hot water2O5The hot phosphoric acid of generation flows through the method heating of tubular heat exchanger
Flue dust realizes P2O5With the recycling of water residual heat of reaction, the energy has been saved；
2. on circulating water flow to the multi-gradient heat-conducting plate of dry-burning type electric heater for heating, red-hot multi-gradient heat-conducting plate guarantees
The abundant evaporation of water；
3. in the case where multilayer Direct/Reverse intersection placement segmentation cover forms the closed effect of hot water curtain, vapor and P2O5Reaction,
The lower segmentation cover of admission pressure effect carries out limitless defense right to flue dust, and flue dust and water engaging surface product are big, and reaction efficiency is high；
4. being returned by the condensation that the demister that corrugated plating gas-liquid separator, mesh mist eliminator form is conducive to phosphoric acid steam and water mist
Stream；
5. the concentration of byproduct phosphoric acid is continuously improved by the way of cyclic absorption, be conducive to the recycling and reusing of byproduct.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of segmentation cover I of the invention；
Fig. 3 is the structural schematic diagram of segmentation cover II of the invention；
Marked in the figure: 1, circulating pump, 101, connecting tube I, 2, spray tube, 3, gas-liquid separation device, 4, demister, 5, spray
Head, 6, segmentation cover I, 601, segmentation cover II, 7, reflux spray head, 8, heat-conducting plate, 9, sensor, 10, electric heating tube I, 11, control valve
I, 12, spray liquid, 13, electric heating tube II, 1301, electric heating tube IV, 1302, electric heating tube III, 14, tubular heat exchanger, 15,
Return pipe, 16, absorption tower, 17, control valve II, 18, axial flow blower.
Specific embodiment
The embodiment of the present invention is described in detail in conjunction with attached drawing, the present embodiment based on the technical solution of the present invention, is given
Detailed embodiment and specific operating process are gone out, but protection scope of the present invention is not limited to following embodiments.
Embodiment 1
With reference to the accompanying drawings it is found that a kind of energy-saving smoke and dust purifier, which includes dust-extraction unit and heating device,
The dust-extraction unit includes absorption tower 16, circulating pump 1, gas-liquid separation device 3 and demister 4, the input terminal of the circulating pump 1
It is connected by connecting tube I 101 with absorption tower 16, the output end of the circulating pump 1 by spray tube 2 and is arranged on absorption tower 16
Interior spray head 5 is connected, pump head spray tube 2, spray head 5, the reflux spray head 7, control valve I 11, absorption tower 13 of the circulating pump 1
The high temperature resistant that is, acid and alkali-resistance, corrosion resistance stainless steel, the gas-liquid separation device 3 and the demister 4 are from top to bottom successively
The top on the absorption tower 16 is set；The gas-liquid separation device 3 is gas-liquid separator, which is corrugated plating row
Column direction is the corrugated plating gas-liquid separator of vertical direction, and corrugated plating is streamlined corrugated plating, and phosphoric acid drop bumps against ripple plate face,
Under gravity, spray liquid is flowed back into；
The top of gas-liquid separator is provided with water supplement port, and control valve II 17 is provided at water supplement port, and the demister 4 is demisting
Device, the demister are mesh mist eliminator, and silk screen material is stainless steel, and net cover braiding structure, wire section is flat, and fog touches
It is condensed when to wire mesh, forms water droplet and be finally back in circulation fluid；
Spraying mechanism, evaporation device and electric heating tube I 10, the spraying mechanism, the evaporation are provided in the absorption tower 16
Mechanism and the electric heating tube I 10 are set gradually from top to bottom, and the bottom in the absorption tower 16 is arranged in the electric heating tube I 10
Portion is provided with spray liquid 12 in the absorption tower 16, the biography for measuring 12 temperature of spray liquid is provided on the absorption tower 16
Sensor 9 is provided with acid discharge mouth on the side wall of 16 bottom end of absorption tower, is provided with control valve I 11 at the acid discharge mouth；
The lower section of spray head 5 is arranged in the spraying mechanism, and the spraying mechanism includes several segmentation covers I 6, several segmentations
I 6 interval settings from top to bottom are covered, lower section of each segmentation cover I 6 is symmetrically arranged with a segmentation cover II 601, and described point
Cover I 6 is cut in cone, the segmentation cover II 601 is provided with blanking in the cone to stand upside down, the bottom of the segmentation cover II 601
Mouthful, the segmentation cover I 6 and segmentation cover II 601 are made of the stainless steel cloth that mesh number is 80 ~ 200 mesh；The segmentation cover I 6
Apex angle is 60 ~ 150 °, and the base angle of the segmentation cover II 601 is 60 ~ 150 °；
The evaporation device includes several heat-conducting plates 8 and several row's heating components, and the heat-conducting plate 8 is cylinder, several
Heat-conducting plate 8 is set gradually from top to bottom and the area of heat-conducting plate 8 is sequentially increased from top to bottom, the central axis of each heat-conducting plate 8
Line coincides, and on heat-conducting plate 8, the heating component includes electric heating tube II for the setting that several row's heating components are parallel to each other
13, the epidermis material of electric heating tube III 1302 and electric heating tube IV 1301, heat-conducting plate 8 and heating component is high temperature resistant, acidproof
Stainless steel, the electric heating tube II 13, the electric heating tube III 1302 and the electric heating tube IV 1301 are in the horizontal direction successively
Setting, the electric heating tube II 13, the electric heating tube III 1302 and the electric heating tube IV 1301 are dry-burning type electric heating
Pipe, electric heating tube II 13, the electric heating tube III 1302 and the electric heating tube IV 1301 can be integrated setting, the electric heating
Pipe II 13 and the electric heating tube IV 1301 are symmetrical arranged about the central axis on absorption tower 16, and the one of the electric heating tube II 13
On the inner wall on end installation absorption tower 16, the other end of the electric heating tube II 13 sequentially passes through each heat-conducting plate 8 from top to bottom
It is connected afterwards with connector I, on the inner wall on one end installation absorption tower 16 of the electric heating tube IV 1301, the electric heating tube IV
1301 other end is connected after sequentially passing through each heat-conducting plate 8 from top to bottom with connector II, the connector I and the company
Connector II is respectively positioned on the top of evaporation device top heat-conducting plate 8, one end and I phase of connector of the electric heating tube III 1302
Even, the other end of the electric heating tube III 1302 is connected after several heat-conducting plates with connector II；
The heating device includes return pipe 15 and tubular heat exchanger 14, and the inlet end of the tubular heat exchanger 14 is provided with
Axial flow blower 18, inlet end select horn air inlet, the outlet side of the tubular heat exchanger 14 and 16 phase of absorption tower
Connection, one end of the return pipe 15 are connected with the feed inlet that 14 top of tubular heat exchanger is arranged in, the return pipe 15
The other end pass through absorption tower 16 after with spraying mechanism lowermost end segmentation cover II 601 feed opening be connected, the shell and tube
The discharge port of heat exchanger 14 is connected by connecting tube II with the reflux spray head 7 being arranged in absorption tower 16, which sets
It sets in the top of evaporation device；
The central axis of the spray head 5, the central axis of the reflux spray head 7, the segmentation cover I 6 central axis, described
The central axis and the central axis of heat-conducting plate 8, the central axis of gas-liquid separation device of segmentation cover II 601, in demister
Mandrel line is overlapped with the central axis on absorption tower 16, and the electric heating tube III 1302 is V-shaped or waveform.
A kind of application method of energy-saving smoke and dust purifier, comprising the following steps:
1) switch for starting electric heating tube I 10, keeps the temperature after spray liquid 12 is heated to 80~100 DEG C, is fed back and is controlled by sensor 9
Heating temperature processed；Start electric heating tube II 13, electric heating tube III 1302 and electric heating tube IV 1301, heating heat-conducting plate 8 is to red-hot
State；Start circulating pump 1, hot water is flowed out from spray head 5, is radiated along segmentation cover I 6 in umbrella shape, then flows into setting in segmentation cover I
In the segmentation cover II 601 of 6 lower sections, spray liquid 12 is flowed out along segmentation II 601 inner walls of cover from the feed opening of segmentation cover II 601, from
The spray liquid 12 of II 601 outflow of segmentation cover is radiated along the segmentation cover I 6 being arranged in below segmentation cover II 601 in umbrella shape, is repeated above-mentioned
Step, finally, spray liquid 12 flow into return pipe 15 from the feed opening of the segmentation cover II 601 of spraying mechanism lowermost end, by return pipe
15 enter in tubular heat exchanger 14, and when the spray liquid 12 in 14 shell side of tubular heat exchanger is continuous full, spray liquid 12 is from returning
It flows spray head 7 to flow out, falls on red-hot multilayered thermally-conductive plate 8, form a large amount of vapor；
2) axial flow blower 18 of 14 inlet end of tubular heat exchanger is opened, copper-phosphorus alloy melting flue dust, which walks tube side and enters shell and tube, to be changed
Hot device 14, exports after being heated to 360~400 DEG C, into absorption tower 16, I 6 composition hot water curtain of hot spray liquid 12 and segmentation cover, and heat
The P in the vapor and flue dust in spray liquid 12 under water curtain is closed2O5It comes into full contact with, chemical reaction occurs and generates phosphoric acid；In axis
Under the action of flow fan 18, the flue dust pressure under hot water curtain is closed is gradually risen, the steel of segmentation cover I 6 and II 601 surfaces of segmentation cover
Silk screen carries out limitless defense right, P of the flue dust of limitless defense right under the souring of hot water curtain, in flue dust to flue dust2O5It is abundant with water
Reaction, the phosphoric acid of generation are preferentially absorbed into spray liquid 12, are transmitted back to spray equipment by circulating pump 1 and continue circulated sprinkling；
Flue dust tail gas passes through gas-liquid separator, and phosphoric acid drop under gravity, flows back into spray liquid 12；Then flue dust tail gas passes through
Mesh mist eliminator, fog condense, and form droplet and are finally back in spray liquid 12；When phosphoric acid reaches certain in spray liquid 12
After concentration, the concentration of phosphoric acid is detected using densimeter, when reaching setting concentration value 50%~70%, opens the control of 16 bottom of absorption tower
Valve I 11 collects the phosphoric acid that reaction generates；II 17 pairs of 16 moisturizings of absorption tower of control valve for opening water supplement port, in smoke evacuation dust removal process
The valve of middle water supplement port is to close, and when moisturizing washes away the phosphoric acid condensed in corrugated plating, prevents phosphoric acid from crystallizing, and blocks wave
Then the water of supplement is heated to the temperature set in step 1) by card, circuit sequentially and realize that copper-phosphorus alloy melting flue dust absorbs.
In copper-phosphorus alloy fusion process, there are two types of modes for the scaling loss of phosphorus: generating P2O5The oxide slag of flue dust and copper, phosphorus.
The phosphorus content put into before melting subtracts the phosphorus content in slag and solder ingot casting up to the practical phosphorus content in flue dust, passes through detection
The phosphorus content for the available recycling of phosphoric acid concentration that the method for the present invention obtains, both of which are converted into P2O5, P can be calculated2O5It returns
Receive utilization efficiency.Alloy designations select the maximum BCu93P of dosage, every stove weight 300kg in the market, and every furnace throws phosphorus amount before melting
23.5kg, the component content of phosphorus takes the average value of 5 testing results in every furnace alloy cast ingot and slag.Below in conjunction with implementation
Example is further explained explanation to the effect of the method for the present invention.
Embodiment 2
Circulated sprinkling liquid temperature is 80 DEG C, and the steel wire mesh number of segmentation cover I 6 and segmentation cover II 601 is 100 mesh, and copper-phosphorus alloy is molten
50 furnaces are refined, phosphorus total amount 1175kg is thrown.Copper-phosphorus alloy melting flue gas obtains 68% concentration behind the absorption tower in the method for the present invention
Phosphoric acid 507.7kg.The phosphoric acid of acquisition is heated to 80 DEG C in descaling bath, can be used for the acid of 5000kg As-extruded copper-phosphorus alloy
It washes.By chemical analysis test, the phosphorus content in solder ingot casting is 1052.5kg, and the phosphorus content in slag is 13kg, theory point
Phosphorus content in analysis flue dust should be 109.5kg, and the phosphorus content that the method for the present invention recycles is 109.2kg, and recovery utilization rate reaches
To 99.7%.
Embodiment 3
Circulated sprinkling liquid temperature is 85 DEG C, and the steel wire mesh number of segmentation cover I 6 and segmentation cover II 601 is 100 mesh, and copper-phosphorus alloy is molten
50 furnaces are refined, phosphorus total amount 1175kg is thrown.Copper-phosphorus alloy melting flue gas obtains 62% concentration behind the absorption tower in the method for the present invention
Phosphoric acid 529.3kg.The phosphoric acid of acquisition is heated to 80 DEG C in descaling bath, can be used for the acid of 5000kg As-extruded copper-phosphorus alloy
It washes.By chemical analysis test, the phosphorus content in solder ingot casting is 1056.7kg, and the phosphorus content in slag is 14.2kg, theoretical
Phosphorus content in analysis flue dust should be 104.1kg, and the phosphorus content that the method for the present invention recycles is 103.8kg, recovery utilization rate
Reach 99.7%.
Embodiment 4
Circulated sprinkling liquid temperature is 90 DEG C, and the steel wire mesh number of segmentation cover I 6 and segmentation cover II 601 is 120 mesh, and copper-phosphorus alloy is molten
50 furnaces are refined, phosphorus total amount 1175kg is thrown.Copper-phosphorus alloy melting flue gas obtains 58% concentration behind the absorption tower in the method for the present invention
Phosphoric acid 565.8kg.The phosphoric acid of acquisition is heated to 80 DEG C in descaling bath, can be used for the acid of 5000kg As-extruded copper-phosphorus alloy
It washes.By chemical analysis test, the phosphorus content in solder ingot casting is 1059.4kg, and the phosphorus content in slag is 11.3kg, theoretical
Phosphorus content in analysis flue dust should be 104.3kg, and the phosphorus content that the method for the present invention recycles is 103.8kg, recovery utilization rate
Reach 99.5%.
Embodiment 5
Circulated sprinkling liquid temperature is 95 DEG C, and the steel wire mesh number of segmentation cover I 6 and segmentation cover II 601 is 80 mesh, copper-phosphorus alloy melting
50 furnaces throw phosphorus total amount 1175kg.Copper-phosphorus alloy melting flue gas obtains 59% concentration behind the absorption tower in the method for the present invention
Phosphoric acid 523.0kg.The phosphoric acid of acquisition is heated to 80 DEG C in descaling bath, can be used for the pickling of 5000kg As-extruded copper-phosphorus alloy.
By chemical analysis test, the phosphorus content in solder ingot casting is 1067.3kg, and the phosphorus content in slag is 9.9kg, theory analysis
Phosphorus content in flue dust should be 97.8kg, and the phosphorus content that the method for the present invention recycles is 97.6kg, and recovery utilization rate reaches
99.8%。
Embodiment 6
Circulated sprinkling liquid temperature is 95 DEG C, and the steel wire mesh number of segmentation cover I 6 and segmentation cover II 601 is 80 mesh, copper-phosphorus alloy melting
50 furnaces throw phosphorus total amount 1175kg.Copper-phosphorus alloy melting flue gas obtains 63% concentration behind the absorption tower in the method for the present invention
Phosphoric acid 557.0kg.The phosphoric acid of acquisition is heated to 80 DEG C in descaling bath, can be used for the pickling of 5000kg As-extruded copper-phosphorus alloy.
By chemical analysis test, the phosphorus content in solder ingot casting is 1051.4kg, and the phosphorus content in slag is 12.3kg, theory analysis
Phosphorus content in flue dust should be 111.3kg, and the phosphorus content that the method for the present invention recycles is 111.0kg, and recovery utilization rate reaches
99.7%。
It should also be noted that, herein, such as I, II, III relational terms are used merely to an entity or operation
It is distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation, there are any this
Actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, article or equipment for including a series of elements not only includes those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, article or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described want
There is also other identical elements in the process, method, article or equipment of element.
Claims (10)
1. a kind of energy-saving clarifying smoke device, it is characterised in that: the smoke and dust purifier includes dust-extraction unit and heating dress
It sets, the dust-extraction unit includes absorption tower (16), circulating pump (1), gas-liquid separation device (3) and demister (4), the circulation
The input terminal of pump (1) is connected by connecting tube I (101) with absorption tower (16), and the output end of the circulating pump (1) passes through spray
Pipe (2) is connected with the spray head (5) being arranged in absorption tower (16)；It is provided with spraying mechanism in the absorption tower (16), steams
Send out mechanism and electric heating tube I (10), the spraying mechanism, the evaporation device and the electric heating tube I (10) from top to bottom according to
Secondary setting；
The spraying mechanism is arranged in the lower section of spray head (5), and the spraying mechanism includes several I (6) of segmentation cover, several
I (6) of segmentation cover are spaced setting from top to bottom, and the lower section of each I (6) of the segmentation cover is symmetrically arranged with a segmentation cover II
(601), the segmentation covers I (6) in cone, and described segmentation II (601) of cover are in the cone to stand upside down, the segmentation cover II
(601) bottom is provided with feed opening, and steel wire of II (601) by mesh number for 80 ~ 200 mesh is covered in described segmentation I (6) of cover and segmentation
Net composition.
2. a kind of energy-saving clarifying smoke device according to claim 1, it is characterised in that: the gas-liquid separation device
(3) and the demister (4) is successively set on the tops of the absorption tower (16), the gas-liquid separation device from top to bottom
It (3) is gas-liquid separator, which is the corrugated plating gas-liquid separator that corrugated plating orientation is vertical direction, gas-liquid
The top of separator is provided with water supplement port, and control valve II (17) is provided at the water supplement port.
3. a kind of energy-saving clarifying smoke device according to claim 1, it is characterised in that: the demister (4)
For demister, which is mesh mist eliminator.
4. a kind of energy-saving clarifying smoke device according to claim 1, it is characterised in that: the electric heating tube I
(10) bottom being arranged in the absorption tower (16), the absorption tower (16) is interior to be provided with spray liquid (12), the absorption tower
(16) it is provided with the sensor (9) for measuring spray liquid (12) temperature on, is arranged on the side wall of absorption tower (16) bottom end
There is acid discharge mouth, is provided with control valve I (11) at the acid discharge mouth.
5. a kind of energy-saving clarifying smoke device according to claim 1, it is characterised in that: I (6) of the segmentation cover
Apex angle is 60 ~ 150 °, and the base angle of II (601) of the segmentation cover is 60 ~ 150 °.
6. a kind of energy-saving clarifying smoke device according to claim 1, it is characterised in that: the spray head (5)
II (601) are covered in central axis, the central axis of reflux spray head (7), the central axis of I (6) of the segmentation cover, the segmentation
Central axis and the central axis of heat-conducting plate (8) be overlapped with the central axis of absorption tower (16).
7. a kind of energy-saving clarifying smoke device according to claim 1, it is characterised in that: the heating component includes
Electric heating tube II (13), electric heating tube III (1302) and electric heating tube IV (1301), the electric heating tube II (13), the electricity add
Heat pipe III (1302) and the electric heating tube IV (1301) are set gradually in the horizontal direction, the electric heating tube II (13) and described
Electric heating tube IV (1301) is symmetrical arranged about the central axis of absorption tower (16), one end installation of the electric heating tube II (13)
On the inner wall on absorption tower (16), the other end of the electric heating tube II (13) sequentially passes through each heat-conducting plate (8) from top to bottom
It is connected afterwards with connector I, on the inner wall of one end installation absorption tower (16) of the electric heating tube IV (1301), the electric heating tube
The other end of IV (1301) sequentially passes through each heat-conducting plate (8) from top to bottom and is connected afterwards with connector II, I He of connector
The connector II is respectively positioned on the top of evaporation device top heat-conducting plate (8), one end of the electric heating tube III (1302) with
Connector I is connected, and the other end of the electric heating tube III (1302) is connected with connector II.
8. a kind of energy-saving clarifying smoke device according to claim 1, it is characterised in that: the evaporation device includes
Several heat-conducting plates (8) and several row's heating components, the heat-conducting plate (8) be circle, several heat-conducting plates (8) from top to bottom according to
The area of secondary setting and heat-conducting plate (8) is sequentially increased from top to bottom, and the central axis of each heat-conducting plate (8) coincides, several
The setting that row's heating component is parallel to each other is on heat-conducting plate (8).
9. a kind of energy-saving clarifying smoke device according to claim 8, it is characterised in that: the heating device includes
The inlet end of return pipe (15) and tubular heat exchanger (14), the tubular heat exchanger (14) is provided with axial flow blower (18),
The outlet side of the tubular heat exchanger (14) is connected with the absorption tower (16), one end of the return pipe (15) and setting
Feed inlet on tubular heat exchanger (14) top is connected, the other end of the return pipe (15) pass through absorption tower (16) afterwards with
The feed opening of the segmentation cover II (601) of spraying mechanism lowermost end is connected, and the discharge port of the tubular heat exchanger (14) passes through
Connecting tube II is connected with the reflux spray head (7) being arranged in absorption tower (16), which is arranged in evaporation device
Top.
10. a kind of clarifying smoke method of energy-saving clarifying smoke device described in any one according to claim 1 ~ 9,
It is characterized in that: the following steps are included:
1) switch for starting electric heating tube I (10), keeps the temperature after spray liquid (12) is heated to 80~100 DEG C, passes through sensor (9)
Feedback control heating temperature；Starting electric heating tube II (13), electric heating tube III (1302) and electric heating tube IV (1301), heating are led
Hot plate (8) extremely red-hot state；Start circulating pump (1), hot water is flowed out from spray head (5), is radiated along segmentation I (6) of cover in umbrella shape, so
Afterwards flow into setting segmentation cover I (6) below segmentation cover II (601) in, spray liquid (12) along segmentation cover II (601) inner wall from
The feed opening outflow of II (601) of segmentation cover, the spray liquid (12) flowed out from II (601) of segmentation cover is along setting in segmentation cover II
(601) segmentation cover I (6) below is radiated in umbrella shape, is repeated the above steps, and finally, spray liquid (12) is from spraying mechanism lowermost end
Segmentation cover II (601) feed opening flow into return pipe (15), entered in tubular heat exchanger (14) by return pipe (15), when
When spray liquid (12) in tubular heat exchanger (14) shell side is continuous full, spray liquid (12) is flowed out from reflux spray head (7), is fallen in red-hot
Multilayered thermally-conductive plate (8) on, form a large amount of vapor；
2) axial flow blower (18) of tubular heat exchanger (14) inlet end is opened, copper-phosphorus alloy melting flue dust walks tube side and enters tubulation
Formula heat exchanger (14), exports after being heated to 360~400 DEG C, into absorption tower (16), hot spray liquid (12) and segmentation I (6) group of cover
The P in the vapor and flue dust in spray liquid (12) at hot water curtain, under hot water curtain is closed2O5It comes into full contact with, chemically reacts
Generate phosphoric acid；Under the action of axial flow blower (18), the flue dust pressure under hot water curtain is closed is gradually risen, and segmentation is covered I (6) and divided
Cut the steel wire on cover II (601) surface and limitless defense right carried out to flue dust, the flue dust of limitless defense right under the souring of hot water curtain,
P in flue dust2O5It is sufficiently reacted with water, the phosphoric acid of generation is preferentially absorbed into spray liquid (12), is transmitted back to spray by circulating pump (1)
Shower device continues circulated sprinkling；Flue dust tail gas passes through gas-liquid separator, and phosphoric acid drop under gravity, flows back into spray
It drenches liquid (12)；Then flue dust tail gas passes through mesh mist eliminator, and fog condenses, and forms droplet and is finally back to spray liquid (12)
In；After phosphoric acid reaches a certain concentration in spray liquid (12), absorption tower (16) bottom control valve I (11) is opened, collects reaction life
At phosphoric acid；The control valve II (17) of water supplement port is opened to absorption tower (16) moisturizing, corrugated plating is directly rinsed, then will
The water of supplement is heated to the temperature set in step 1), circuits sequentially and realizes that copper-phosphorus alloy melting flue dust absorbs.
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| CN201910606426.4A CN110180295B (en) | 2019-07-05 | 2019-07-05 | Smoke purification method and device thereof |
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| CN201910606426.4A CN110180295B (en) | 2019-07-05 | 2019-07-05 | Smoke purification method and device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669180A (en) * | 2022-03-02 | 2022-06-28 | 南京大学环境规划设计研究院集团股份公司 | Device for absorbing VOCs |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224367A (en) * | 2007-10-26 | 2008-07-23 | 东南大学 | Method of removing PM2.5 and gaseous pollutant using steam phase transition and device thereof |
| CN101601964A (en) * | 2009-06-03 | 2009-12-16 | 李鹏举 | A kind of high-efficiency ammonia flue gas desulfurization technique and device |
| CN101912709A (en) * | 2010-08-06 | 2010-12-15 | 瓮福（集团）有限责任公司 | Method for removing dust from tail gas of ammonium phosphate production by waste steam |
| CN203922784U (en) * | 2014-03-03 | 2014-11-05 | 山东成林高新技术产业有限公司 | The two-way refining plant of the mixed bath of oilfield sewage and boiler smoke |
| CN104211031A (en) * | 2013-06-04 | 2014-12-17 | 四川玖长科技有限公司 | Equipment and process for recovery of fluorine from flue gas of hydration absorption of phosphorus in kiln-method phosphoric acid technology |
| US20170081604A1 (en) * | 2014-05-23 | 2017-03-23 | Taminco Bvba | Improved acid gas removal process by absorbent solution comprising amine compounds |
| CN107321100A (en) * | 2017-08-17 | 2017-11-07 | 仲伟军 | Smoke eliminator |
| WO2018026260A1 (en) * | 2016-08-05 | 2018-02-08 | Cheng Chew Kong | System and method for recovering sodium hypochlorite from exhaust chlorine gas |
| CN207840349U (en) * | 2018-01-31 | 2018-09-11 | 郑州机械研究所有限公司 | The supporting mechanism of pricker device is soaked based on spiral state solder cake |
| CN210814441U (en) * | 2019-07-05 | 2020-06-23 | 郑州机械研究所有限公司 | Energy-saving smoke and dust purifier |
-
2019
- 2019-07-05 CN CN201910606426.4A patent/CN110180295B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224367A (en) * | 2007-10-26 | 2008-07-23 | 东南大学 | Method of removing PM2.5 and gaseous pollutant using steam phase transition and device thereof |
| CN101601964A (en) * | 2009-06-03 | 2009-12-16 | 李鹏举 | A kind of high-efficiency ammonia flue gas desulfurization technique and device |
| CN101912709A (en) * | 2010-08-06 | 2010-12-15 | 瓮福（集团）有限责任公司 | Method for removing dust from tail gas of ammonium phosphate production by waste steam |
| CN104211031A (en) * | 2013-06-04 | 2014-12-17 | 四川玖长科技有限公司 | Equipment and process for recovery of fluorine from flue gas of hydration absorption of phosphorus in kiln-method phosphoric acid technology |
| CN203922784U (en) * | 2014-03-03 | 2014-11-05 | 山东成林高新技术产业有限公司 | The two-way refining plant of the mixed bath of oilfield sewage and boiler smoke |
| US20170081604A1 (en) * | 2014-05-23 | 2017-03-23 | Taminco Bvba | Improved acid gas removal process by absorbent solution comprising amine compounds |
| WO2018026260A1 (en) * | 2016-08-05 | 2018-02-08 | Cheng Chew Kong | System and method for recovering sodium hypochlorite from exhaust chlorine gas |
| CN107321100A (en) * | 2017-08-17 | 2017-11-07 | 仲伟军 | Smoke eliminator |
| CN207840349U (en) * | 2018-01-31 | 2018-09-11 | 郑州机械研究所有限公司 | The supporting mechanism of pricker device is soaked based on spiral state solder cake |
| CN210814441U (en) * | 2019-07-05 | 2020-06-23 | 郑州机械研究所有限公司 | Energy-saving smoke and dust purifier |
Non-Patent Citations (1)
| Title |
|---|
| 梁晏萱;成丹;: "带托盘喷淋塔的辅助除尘性能研究", 重庆电力高等专科学校学报 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669180A (en) * | 2022-03-02 | 2022-06-28 | 南京大学环境规划设计研究院集团股份公司 | Device for absorbing VOCs |
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| CN110180295B (en) | 2023-06-27 |
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