CN105236376B - Glyphosate mother liquor resource utilization system - Google Patents
Glyphosate mother liquor resource utilization system Download PDFInfo
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- CN105236376B CN105236376B CN201510720874.9A CN201510720874A CN105236376B CN 105236376 B CN105236376 B CN 105236376B CN 201510720874 A CN201510720874 A CN 201510720874A CN 105236376 B CN105236376 B CN 105236376B
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- 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
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Abstract
The invention discloses a glyphosate mother liquor resource utilization system, and relates to the environmental protection technical field of treating the three wastes of waste liquid, waste gas and solid waste. The system mainly comprises a mother liquor concentration system, a thermal oxidation reaction system, a residual heat recovery system, a flue gas environment-friendly treatment system, and a solid product recovery system. The mother liquor concentration system is respectively communicated with the thermal oxidation reaction system and the residual heat recovery system. The thermal oxidation reaction system is communicated with the residual heat recovery system and the solid product recovery system. The residual heat recovery system is communicated with the flue gas environment-friendly treatment system and the solid product recovery system. The flue gas environment-friendly treatment system is communicated with the solid product recovery system. With the system provided by the invention, chemical engineering waste liquid can be treated with an environment-friendly manner. The chemical engineering waste can be subjected to a thermal oxidation reaction, such that valuable chemical engineering products can be produced, and a purpose of resource utilization is achieved. Also, waste heat is fully utilized, such that energy can be saved.
Description
Technical field
The present invention relates to a kind of mother solution of the organophosphors containing high concentration, nitrogen and salinity pesticide industry carries out minimizing, nothing
Evilization, resource environmental protection treatment technology, more particularly to a kind of recycling mother solution of glyphosate utilizes system, belong to waste liquid, waste gas,
The environmental technology field of useless solid disposal of waste gas, water and industrial residue.
Background technology
Produce in glyphosate production process in a large number containing triethylamine, glyphosate, glycine, phosphorous acid, glyphosine, methanol,
Mother solution is mainly carried out concentration and removes part salinity by the production waste water of formaldehyde and high salt concentration, domestic glyphosate production producer, so
After add glyphosate original powder, be configured to 10% gyphosate solution and sold.Because chronic administration contains the 10% of a large amount of inorganic salts
Water preparation, causes serious soil compaction and salinization of soil, while formaldehyde, glyphosine in water preparation etc. enters soil and water body, opposite
State environment and human body also have larger potential hazard.Therefore, 2 months 2009 Ministry of Agriculture, Ministry of Industry and Information's joints issue No. 1158
Bulletin, gyphosate solution of the clear stipulaties active constituent content below 30% wholly off production before the end of the year 2009, with what is produced
Water preparation will stop selling before the end of the year 2011 and uses.
Glyphosate mother solution complicated component, the mother liquor composition difference that different synthesis techniques is produced is larger, mainly includes three second
The materials such as amine, glyphosate, glycine, phosphorous acid, glyphosine, methanol, formaldehyde and high salt concentration, if recycled, can
To save production cost, Enterprise Integrated competitiveness is improved.
Low-concentration alkali liquor desorption is can use after activated carbon adsorption glyphosate, at that time overall desorption was inefficient, about 57%, desorption
Adsorption effect is significantly restrained during incomplete active carbon reclamation, and activated carbon price is higher, careless sweet as enormous amount
Phosphine mother liquid disposal cost will be greatly improved.Cl-The site on anion exchange resin surface can be competed with glyphosate anion, in Cl-
Even glyphosate can be completely prevented to adsorb during too high levels, for the mother liquid disposal of high content of salt, it is necessary to reduce first in mother solution
Cl-Content.Although Cl-It is less to the Adsorption Effect of ferrum, aluminum oxide, but the presence of phosphate radical, orthophosphite has brighter to it
Development rings, and for the treatment effect of the glyphosate mother solution of high COD, high total phosphorus and high salinity further checking is needed.Embrane method is mesh
It is front to have carried out industrialized application, but many kinds of substance such as phosphite in mother solution significantly affects the use longevity of membrane module
Life, fouling membrane is serious, frequently changes membrane module and brings larger financial burden to enterprise.Chemical precipitation method obtains glyphosate-metal
Salt precipitate, which kind of mode glyphosate is effectively reclaimed using will also further study.
Therefore, glyphosate waste water is administered becomes puzzlement agricultural chemicals enterprise production, the main bugbear of existence.
Incineration technology is a kind of simple, efficient, feasible method for treating waste liquid, burning method be used to processing difficult biochemical treatment,
Concentration is high, toxicity is big, the organic liquid waste of complicated component is one the technology of application prospect.It can both incinerate nuisance
Matter, can recycle waste heat, reduce processing cost again, reach the purpose of comprehensive utilization of waste materials, environmental protection.Different is organic
The processing technological flow of waste liquid determines that the organic liquid waste very high for COD, calorific value is also very high can be directly entered regarding waste liquid property
Incinerator carries out burning disposal；And for calorific value is not very high waste liquid, then can add the burning that auxiliary fuel helps waste liquid；
The organic liquid waste higher for water content can first carry out being burned after evaporation and concentration.
Contain a large amount of industrial chemicals in high concentration salty organic waste liquid, at present, high concentration saliferous is processed using incineration technology
The CIU of organic liquid waste（Except alkali collection）Recycling is not carried out to the product after burning, cause secondary pollution and
The waste of resource.
Patent CN103062777A proposes two-part incinerator and CIU, including vertical heater, horizontal chamber furnace (oven), waste liquid
Atomizing gun, fuel combustion rifle, the circulating fire grate of scale, second-time burning expansion chamber, heat exchange unit, smoke eliminator etc., wherein
Part-structure is similar using system with a kind of recycling mother solution of glyphosate of the application.But the two-part incinerator described in this patent
And CIU has the disadvantage that：（1）Vertical outlet of still is directly connected with second-time burning expansion chamber, and what is carried in flue gas contains in a large number
Salt solid particle is heated again so as to be changed into molten state, and the saliferous solid particle of the molten state of sedimentation can block second-time burning
The mud hole of expansion chamber, being brought into the saliferous solid particle of the molten state of heat exchange unit can adhere on heat exchanger tube, cause heat exchange effect
Rate is reduced, or even blocking exhaust gases passes；（2）The circulating fire grate front of scale is setting hopper, it is impossible to completely contain unburned
Salt solid particle is sent horizontal chamber furnace (oven) back to and continues to burn again, and the industrial chemicals impurity produced in burning process is more；（3）Waste liquid atomization
Spray gun is two fluidic structures atomizing guns, and outer layer is compressed air piping, and rule of thumb glyphosate mother solution viscosity is higher under room temperature,
Heating is needed to reduce its viscosity coefficient, and compressed air mostly is room temperature, can be to glyphosate as atomizing medium using compressed air
Mother solution is cooled down, viscosity coefficient increase, blocks pipette tips, affects atomizing effect, and atomizing effect is the weight for affecting efficiency of combustion
Want factor；（4）Vertical heater, horizontal chamber furnace (oven) and second-time burning expansion chamber are not defined to incineration temperature, are all from the collection
Though it can be seen that for two-stage combustion but being substantially all low-temperature burning in solid material, it is impossible to which Organic substance in waste liquid is burned completely,
Also country cannot be met《Dangerous waste incineration Environmental capacity standard》；（5）Jing Waste liquid atomizations spray gun sprays into the careless sweet of vertical heater
Phosphine mother solution does not contain substantial amounts of water in concentration, glyphosate mother solution, and making this part water reach combustion temperature in hearth needs
Substantial amounts of auxiliary fuel is consumed, the waste of the energy is caused.
Patent CN103438466A propose a kind of method of utilization glyphosate mother solution calcining at constant temperature production sodium pyrophosphate and
Device, including incinerator, cyclone dust extractor, waste heat boiler, slag remover, sack cleaner, packer, washing spray column, organic
Phosphorus waste liquid pipeline, combustion air pipeline, gas pipeline etc., which part structure and a kind of recycling mother solution of glyphosate of the application
It is similar using system.But a kind of utilization glyphosate mother solution calcining at constant temperature described in this patent produces the method and device of sodium pyrophosphate
Have the disadvantage that：（1）Three entrances of incinerator are respectively from the bottom to top glyphosate mother solution pipeline, combustion air pipeline, natural
Air pipe, is concentrated supply, and combustion zone is relatively concentrated, and causes local temperature too high, can produce more thermal NO x, and
Rear portion does not have denitrification apparatus, and environmental protection is not up to standard；（2）Three entrances of incinerator from the bottom to top be respectively glyphosate mother solution pipeline,
Combustion air pipeline, gas pipeline, are concentrated supplies, and combustion zone is relatively concentrated, and causes local temperature too high, and temperature field is not
Uniformly, glyphosate mother solution is prevented from burning completely, sodium pyrophosphate solid particles surface also has organic substance residues, sodium pyrophosphate purity
It is relatively low；（3）Glyphosate mother solution is injected directly into burner hearth by booster pump, and liquid-drop diameter is larger, the evaporation of glyphosate mother solution, decomposition,
Oxidization time accordingly increases, and is unfavorable for the thorough burning of glyphosate mother solution；（4）The salt produced in incinerator combustion process exists
Slag remover is sent into after settling in the presence of gravity, because the salt produced in combustion process is molten state, can be bondd into scummer
On scummer internal transmission device, scummer blocking is ultimately resulted in；（5）Two combustor are provided with incinerator, in dual firing chamber
At 900～1000 DEG C, the salt of molten condition enters cyclone dust extractor with flue gas, and the salt of molten condition can be along rotation for reaction temperature control
Wind cleaner unit circumferencial direction bonds, most cyclone dust extractor blocking at last；（6）Cyclone dust extractor only arranges one-level, and dust removing effects are not
Ideal, does not easily block rear portion heating surface and flue by the salt of detached molten condition；（7）Jing Waste liquid atomizations spray gun sprays into vertical
The glyphosate mother solution of formula stove does not contain substantial amounts of water in concentration, glyphosate mother solution, makes this part water reach burner hearth
Ignition temperature needs to consume substantial amounts of auxiliary fuel, causes the waste of the energy；（8）3 cooling chambers are provided with waste heat boiler, are cooled down
The cavity type heating surface that room is typically gone along with sb. to guard him by fin panel casing, mainly based on radiation heat transfer, heat transfer effect when flue-gas temperature is high
Good, heat transfer effect is bad when flue-gas temperature is low, needs to increase heating surface to reduce flue-gas temperature, increased equipment initial investment into
This；（9）Air-introduced machine is arranged in after washing spray column, increases air-introduced machine load, and power consumption increases.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides a kind of recycling mother solution of glyphosate utilizes system.
Glyphosate mother solution minimizing, harmless treatment are realized, while it is the chemical industry produced during thermal oxidative reaction to reclaim burning process
Product realizes the purpose of resource, and will burn the fume afterheat that produces and recycled and reach energy-conservation during environmental protection treatment
Purpose.A constant temperature incinerator controls fire box temperature 650-750 DEG C in the system, and glyphosate mother solution is in a constant temperature incinerator
In complete be dried, pyrolysis, oxidation, the less solid particle that unburnt larger solid particle and Jing cyclone separator are separated
Deliver to big scale traveling-grate stoker to continue to burn, thoroughly remove residual organic matter, reclaim sodium pyrophosphate, unburnt macromole is organic
Thing gas Jing gas solid separations rear portion is returned in a constant temperature incinerator by water-cooled drag conveyor and continues heated at constant temperature
With burning, another to be partially into secondary high-temperature incinerator on a small quantity, secondary high-temperature incinerator 1100 DEG C of fire box temperature of control thoroughly will
Organic substance is destroyed by fire, while producing the sodium pyrophosphate of a small amount of molten condition.The flue gas of the sodium pyrophosphate containing molten condition is entered and cut
The larger cooling chamber in face, rapidly cooling becomes fragility sodium pyrophosphate granule to the high-temperature flue gas radiant cooling room being set, particle diameter compared with
Big solid particle is moved downward by self gravitation and falls into bottom ash dropping hopper, and remaining fine fraction sodium pyrophosphate dust is with flue gas
Bring boiler evaporator, boiler economizer and sack cleaner into respectively, and in boiler evaporator, boiler economizer and bag-type dust
Collect at device.The fume afterheat for burning generation is produced into saturated vapor while sodium pyrophosphate is reclaimed to use for owner, is realized
The minimizing of glyphosate mother solution, innoxious, recycling treatment.
To realize object above, employ the following technical solutions：Recycling mother solution of glyphosate utilizes system, including mother liquor concentrations
System, thermal oxidative reaction system, residual neat recovering system, fume environment protection processing system and solid product recovery system, mother liquor concentrations
System is connected respectively with thermal oxidative reaction system and residual neat recovering system, thermal oxidative reaction system and residual neat recovering system and solid
Product recovery is connected, and residual neat recovering system is connected with fume environment protection processing system and solid product recovery system, flue gas ring
Protect processing system to connect with solid product recovery system；
Described mother liquor concentrations system mainly includes first evaporator, second level vaporizer, third evaporator, condensation
Device, first order circulating pump, second level circulating pump, third level circulating pump；
Described thermal oxidative reaction system mainly include constant temperature incinerator, cyclone separator I, cyclone separator II,
Secondary high-temperature incinerator and big scale traveling-grate stoker, constant temperature incinerator includes vertical constant temperature oven, horizontal constant temperature oven, and with it is big
Scale traveling-grate stoker constitutes the thermal oxide burner hearth of a closing；
Described residual neat recovering system mainly includes high-temperature flue gas radiant cooling room, boiler evaporator, boiler economizer, pot
Stove drum, thermal deaerator and boiler steam-water pipeline；
Described fume environment protection processing system mainly includes SCR denitration device, sack cleaner, deacidifying flue gas system, cigarette
Chimney；
Described solid product recovery system mainly includes that water-cooled drag conveyor I, water-cooled drag conveyor II, water-cooled are scraped
Plate conveyer III, twin shaft slag cooler, circulating cooling water tank, circulating cooling water pump.
Described mother liquor concentrations system adopts triple effect evaporator, first evaporator, second level vaporizer, third level evaporation
Device, condenser are sequentially communicated, and are furnished with first order circulating pump, second level circulating pump, third level circulating pump；Mother liquor concentrations system
In concentrated mother liquor outlet be connected with mother liquor tank entrance, on-condensible gas mouth is connected with a constant temperature incinerator, and sewage goes water process
Unit and the condensed water out that condenses of low-pressure steam are connected with the oxygen-eliminating device of residual neat recovering system.
Using two grades of burning structures, one time constant temperature incinerator includes vertical constant temperature oven and crouches described thermal oxidative reaction system
Formula constant temperature oven, vertical constant temperature oven is evenly arranged successively from top to bottom burner I, and burner I is by gas pipeline and surge tank phase
Even, burner I is connected by air line with aerator I, and liquid waste spray gun is arranged in the middle part of vertical constant temperature oven, and liquid waste spray gun passes through
Mother solution pump is connected with mother liquor tank outlet, and horizontal constant temperature oven is evenly arranged successively from front to back burner II, and burner II is by combustion
Feed channel is connected with surge tank, and burner II is connected by air line with aerator I, the outlet of constant temperature incinerator smoke with
The smoke inlet of cyclone separator I is connected, and the exhanst gas outlet of cyclone separator I is connected with the smoke inlet of cyclone separator II, whirlwind point
It is connected with secondary high-temperature incinerator smoke entrance from the exhanst gas outlet of device II, secondary high-temperature incinerator top circumferencial direction is evenly arranged
Burner III, burner III is connected by gas pipeline with surge tank, and burner III is connected by air line with aerator I,
Cyclone separator I and the bottom of cyclone separator II connect respectively star-shaped discharge valve I and star-shaped discharge valve II, big scale traveling-grate stoker
Bottom is ash dropping hopper I, and big scale traveling-grate stoker side air compartment connects aerator II.
Described liquid waste spray gun adopts atomizing lance, and atomizing medium is saturated vapor, not only contributes to eliminate high concentration grass
The cementability of sweet phosphine waste liquid, also helps the low temperature crystallization particulate matter of dissolution of high-concentration glyphosate waste liquid, is sprayed with blockage resisting atomization
Rifle.
Described cyclone separator I and the inside of cyclone separator II adopts jacket type structure, the shape between two-layer cyclone cylinder
Into a vacuum interlayer, ash-laden gas goes to internal layer cyclone cylinder after outer layer cyclone cylinder to be continued to rotate, and grit is relied in flue gas
In the ash bucket that the effect of inertia of action of gravity and outer layer cyclone cylinder will deposit to cyclone separator bottom in this vacuum interlayer, adopt
The gas-solid disngaging efficiency of cyclone separator is conducive to provide with the cyclone separator of jacket type structure.
Liquid waste spray gun adopts steam atomization spray gun, waste liquid to be sprayed onto after burner hearth and decompose rapidly, aoxidize.The particle diameter of reunion is larger
Solid particle is moved downward by self gravitation and fallen on fire grate；The less solid particle of particle diameter is moved into upwards rotation with flue gas
Wind separator I and cyclone separator II, after most of solid particle is separated here, are delivered to by star-shaped discharge valve and expects pipe
Solid particle is delivered to hopper into big scale traveling-grate stoker by water-cooled drag conveyor I, water-cooled drag conveyor I.Horizontal constant temperature
Stove is evenly arranged successively from front to back burner II, and burner II is connected by gas pipeline with surge tank, by air line
It is connected with aerator I.Guarantee that a constant temperature incinerator burner hearth is maintained between 650～750 DEG C of constant temperature.
Constant temperature incinerator bottom is big scale traveling-grate stoker, the larger solid of the particle diameter fallen by vertical constant temperature oven
Grain and the less solid particle of particle diameter entered by hopper collect in big scale traveling-grate stoker front portion, are driven by big scale traveling-grate stoker
It is moved rearwards by passing sequentially through the burner II for being distributed on horizontal constant temperature oven, Organic substance is thoroughly burned, finished product（Sodium pyrophosphate）After
It is continuous to be moved rearwards by, afterbody ash bucket is fallen into, cooled down into twin shaft slag cooler by expects pipe.Big scale traveling-grate stoker bottom is to fall
Ash bucket, twin shaft slag cooler and ash dropping hopper are connected by expects pipe with water-cooled drag conveyor II, and water-cooled drag conveyor II is by finished product
（Sodium pyrophosphate）It is delivered to packer to be packed.Big scale traveling-grate stoker side is cooling wind air compartment, and cooling wind passes through air compartment
Fire grate lower section is evenly distributed to, cooling protection is carried out to fire grate segment through big scale traveling-grate stoker.Air compartment by air line with
Aerator II is connected.
Cyclone separator I and cyclone separator II, the entrance of cyclone separator I is by flue and a constant temperature incinerator phase
Even, outlet is connected by flue with the entrance of cyclone separator II, and the outlet of cyclone separator II is burned by flue with secondary high-temperature
Stove is connected.
Secondary high-temperature incinerator top circumferencial direction is evenly arranged burner III, and burner III is by gas pipeline and buffering
Tank is connected, and is connected with aerator I by air line.Control burner hearth maintains 1100 DEG C or so, in a constant temperature incinerator
Unburnt Organic substance is thoroughly decomposed here, oxidation, generates the CO compared with small molecule2、H2The innocuous substances such as O, a small amount of nitrogen oxygen
The sodium pyrophosphate of compound and molten condition.
The high-temperature flue gas radiant cooling room smoke inlet of described residual neat recovering system is secondary with thermal oxidative reaction system
High-temperature incinerator exhanst gas outlet be connected, high-temperature flue gas radiant cooling room exhanst gas outlet is connected with boiler evaporator smoke inlet,
Boiler evaporator exhanst gas outlet respectively with boiler economizer smoke inlet, boiler economizer exhanst gas outlet and fume environment protection processing system
The SCR denitration device smoke inlet of system is connected, and SCR denitration device exhanst gas outlet is connected with boiler economizer smoke inlet, high temperature
Gas radiation cooling chamber, boiler evaporator, boiler economizer, boiler-steam dome, thermal deaerator and feed pump pass through boiler vapour
Water lines are connected, and high-temperature flue gas radiant cooling room bottom is provided with ash dropping hopper II, and boiler evaporator bottom is provided with ash dropping hopper III, boiler
Economizer bottom is provided with ash dropping hopper IV.Described high-temperature flue gas cooling chamber is surrounded using fin panel casing；Described boiler evaporating
Device and boiler economizer are made up of convection bank.
High-temperature flue gas radiant cooling room is full film type wall structure, and the flue gas of the sodium pyrophosphate containing molten condition enters section
Larger cooling chamber, because rapid being cooled of heat loss through radiation effect becomes fragility sodium pyrophosphate granule, the larger solid particle of particle diameter
Move downward by self gravitation and fall into bottom ash dropping hopper, water-cooled drag conveyor III is entered by expects pipe, particle diameter is less solid
Body granule enters boiler evaporator with flue gas；Water heat absorption in membrane wall becomes steam water interface, and Jing boilers steam-water pipeline is entered
Boiler-steam dome.Boiler evaporator is convection heating surface, the solid particle collision convection heating surface of the fragility carried in flue gas, part
Solid particle is intercepted to fall into bottom ash dropping hopper, and by expects pipe water-cooled drag conveyor III is entered；Water in convection heating surface is inhaled
Heat becomes steam water interface, and Jing boiler steam-water pipelines enter boiler-steam dome.Boiler economizer is convection heating surface, is carried in flue gas
Fragility solid particle by inertia effect, fraction solids granule fallen into bottom ash dropping hopper, scraped into water-cooled by expects pipe
Plate conveyer III；Water in boiler economizer enters boiler-steam dome after being heated by supply line, realizes to boiler feedwater.Pot
Stove drum is connected to form closed-loop path with high-temperature flue gas radiant cooling room, boiler evaporator respectively by steam-water pipeline, generation
Steam Jing steam-water separators in boiler-steam dome are separated, and wherein steam heating user uses, and the water for separating continues in boiler
It is heated in system phase transformation.Thermal deaerator makes full use of low taste steam thermal energy that deoxygenation is realized in oxygen-eliminating device, while improving water
Gentle thermal deaerator of saving consumes quantity of steam.
Deacidification system in described fume environment protection processing system mainly includes deacidifying flue gas tower, alkali liquor agitator tank, alkali liquor
Pond, replenishment pump, NaOH solution circulating pump composition, boiler economizer exhanst gas outlet and the sack cleaner smoke inlet of residual neat recovering system
It is connected, sack cleaner exhanst gas outlet is connected after air-introduced machine with deacidifying flue gas tower flue gas entrance, and deacidifying flue gas tower flue gas go out
Mouth is connected with chimney smoke entrance, and chimney arranges flue gas to air, and sack cleaner bottom is provided with ash dropping hopper V；Deacidifying flue gas system
In system, alkali liquor atomization is extracted by NaOH solution circulating pump from deacidifying flue gas tower bottom alkali liquor circulatory pool and is pumped in deacidifying flue gas tower,
The alkali liquor of atomization is sprayed into against flue gas flow direction, and with the sour generation neutralization reaction such as SO2, HCL, SO32-, CL- in flue gas deacidification is reached
Purpose.It is solid base or liquid NaOH in described agitator tank, agitator tank is connected with clean water, and the uniform alkali liquor of agitator tank passes through
Pipeline is connected to alkali liquor pond, and alkali liquor pond is connected by replenishment pump with extracting tower, sieve tray is additionally provided with inside deacidifying flue gas tower with
And Venturi tube.
The water-cooled drag conveyor I of described solid product recovery system, water-cooled drag conveyor II, the conveying of water-cooled scraper plate
Machine III, twin shaft slag cooler, cooling water tank, circulating cooling water pump are connected by circulation line；The material inlet of water-cooled drag conveyor I
It is connected with star-shaped discharge valve I and star-shaped discharge valve II, the material outlet of water-cooled drag conveyor I is connected with constant temperature hopper again, then
Secondary constant temperature hopper is connected with big scale traveling-grate stoker front portion, and the ash dropping hopper I of forward part is connected with water-cooled drag conveyor II, rear portion
The ash dropping hopper I for dividing is connected with twin shaft slag cooler, and twin shaft slag cooler material outlet is connected with water-cooled drag conveyor II, big scale chain
Bar fire grate is fed again into the solid material of collection in constant temperature incinerator, permanent to it by burner II in horizontal constant temperature oven
After temperature heating, twin shaft slag cooler material inlet is fallen into from big scale traveling-grate stoker afterbody, the tail end of water-cooled drag conveyor II is provided with
Packer, water-cooled drag conveyor III outlet with twin shaft slag cooler material inlet, water-cooled drag conveyor III respectively with ash dropping hopper
IIth, ash dropping hopper III, ash dropping hopper IV and ash dropping hopper V are connected, and the solid finished product sodium pyrophosphate that plate conveyer III is collected is transported to
Twin shaft slag cooler material inlet, water-cooled drag conveyor II is by finished product（Sodium pyrophosphate）It is delivered to packer to be packed.
Beneficial effect of the present invention：Compared with prior art, glyphosate mother solution minimizing, harmless treatment are realized, while returning
The purpose that burning process is that the chemical products produced during thermal oxidative reaction realize resource is received, and the flue gas for producing will be burned
Waste heat is recycled the purpose for reaching energy-conservation during environmental protection treatment.
Description of the drawings
Fig. 1 is a kind of process chart of the recycling mother solution of glyphosate of the present invention using system；
Fig. 2 is steam atomization spray gun schematic diagram of the present invention；
Fig. 3 is cyclone separator schematic diagram of the present invention.
As shown in the figure：1st, waste liquid tank, 2, surge tank, 3, waste drains pump, 4, liquid waste spray gun, 5, blower fan I, 6, blower fan II, 7, water
Cold drag conveyor I, 8, constant temperature hopper again, 9, burner II, 10, big scale traveling-grate stoker, 11, ash dropping hopper I, 12, water-cooled
Drag conveyor II, 13, packer, 14, constant temperature incinerator, 15, burner I, 16, cyclone separator I, 17, star-like unload
Material valve I, 18, cyclone separator II, 19, star-shaped discharge valve II, 20, burner III, 21, secondary high-temperature incinerator, 22, high temperature cigarette
Gas radiant cooling room, 23, ash dropping hopper II, 24, water-cooled drag conveyor III, 25, twin shaft slag cooler, 26, boiler-steam dome, 27, pot
Stove steam-water pipeline, 28, boiler evaporator, 29, ash dropping hopper III, 30, valve I, 31, valve III, 32, valve II, 33, SCR denitration
Device, 34, boiler economizer, 35, ash dropping hopper IV, 36, mother liquor concentrations system, 37, boiler feed pump, 38, thermal deaerator,
39th, sack cleaner, 40, ash dropping hopper V, 41, air-introduced machine, 42, circulating cooling water tank, 43, circulation line, 44, recirculated cooling water
Pump, 45, deacidifying flue gas tower, 46, replenishment pump, 47, alkali liquor pond, 48, alkali liquor agitator tank, 49, NaOH solution circulating pump, 50, chimney, 51,
Thermal oxidative reaction system, 52, bootstrap system, 53, fume environment protection processing system, 54, solid product recovery system, 55, cigarette
QI prostration acid system, 56, first evaporator, 57, second level vaporizer, 58, third evaporator, 59, condenser, 60, first
Level circulating pump, 61, second level circulating pump, 62, third level circulating pump, 63, vertical constant temperature oven, 64, horizontal constant temperature oven, 65, alkali liquor
Circulatory pool.
Specific embodiment
Embodiment
Below in conjunction with the accompanying drawings to the present invention to further illustrating；
A kind of recycling mother solution of glyphosate utilizes system, including mother liquor concentrations system（36）, thermal oxidative reaction system（51）、
Residual neat recovering system（52）, fume environment protection processing system（53）With solid product recovery system（54）, mother liquor concentrations system（36）
Respectively with thermal oxidative reaction system（51）And residual neat recovering system（52）Connection, thermal oxidative reaction system（51）With waste heat recovery system
System（52）With solid product recovery system（54）Connection, residual neat recovering system（52）With fume environment protection processing system（53）And solid
Product recovery（54）Connection, fume environment protection processing system（53）With solid product recovery system（54）Connection；
Described mother liquor concentrations system（36）Using triple effect evaporator, mainly including first evaporator（56）, the second level
Vaporizer（57）, third evaporator（58）, condenser（59）, first order circulating pump（60）, second level circulating pump（61）, the 3rd
Level circulating pump（62）；First evaporator（56）, second level vaporizer（57）, third evaporator（58）, condenser（59）According to
Secondary connection, and it is furnished with first order circulating pump（60）, second level circulating pump（61）, third level circulating pump（62）；Mother liquor concentrations system
System（36）Waste liquid outlet and waste liquid tank after middle mother liquor concentrations（1）Entrance is connected, on-condensible gas mouth and a constant temperature incinerator
（14）It is connected, sewage removes unit for treating water and the condensed condensation water out of low-pressure steam and residual neat recovering system（52）Deoxygenation
Device（38）It is connected.
Described thermal oxidative reaction system（51）Using two grades of burning structures, mainly include a constant temperature incinerator（14）、
Cyclone separator I（16）, cyclone separator II（18）, secondary high-temperature incinerator（21）With big scale traveling-grate stoker（10）, once
Constant temperature incinerator includes vertical constant temperature oven（63）, horizontal constant temperature oven（64）, and with big scale traveling-grate stoker（10）One envelope of composition
The thermal oxide burner hearth for closing；Constant temperature incinerator（14）Including vertical constant temperature oven（63）With horizontal constant temperature oven（64）, vertical constant temperature
Stove（63）It is evenly arranged burner I successively from top to bottom（15）, burner I（15）By gas pipeline and surge tank（2）It is connected,
Burner I（15）By air line and aerator I（5）It is connected, in vertical constant temperature oven（63）Middle part arrangement liquid waste spray gun（4）,
Liquid waste spray gun（4）By waste drains pump（3）With waste liquid tank（1）Outlet is connected, horizontal constant temperature oven（64）Uniform cloth successively from front to back
Put burner II（9）, burner II（9）By gas pipeline and surge tank（2）It is connected, burner II（9）By air line
With aerator I（5）It is connected, a constant temperature incinerator（14）Exhanst gas outlet and cyclone separator I（16）Smoke inlet is connected, whirlwind
Separator I（16）Exhanst gas outlet and cyclone separator II（18）Smoke inlet be connected, the exhanst gas outlet of cyclone separator II (18) with
Secondary high-temperature incinerator (21) smoke inlet is connected, and secondary high-temperature incinerator (21) top circumferencial direction is evenly arranged burner III
(20), burner III (20) is connected by gas pipeline with surge tank (2), and burner III (20) is by air line and aerator
I (5) is connected, cyclone separator I（16）With cyclone separator II（18）Bottom connects respectively star-shaped discharge valve I（17）Unload with star-like
Material valve II（19）, big scale traveling-grate stoker (10) bottom is ash dropping hopper I (11), and big scale traveling-grate stoker (10) side air compartment connects
Aerator II (6).
Described residual neat recovering system（52）Mainly include the high-temperature flue gas radiation cooling being made by fin panel casing
Room（22）, the boiler evaporator that is made up of convection bank（28）, the boiler economizer that is made up of convection bank（34）, boiler-steam dome
（26）, thermal deaerator（38）And boiler steam-water pipeline（27）；High-temperature flue gas radiant cooling room (22) smoke inlet and thermal oxide
Response system（51）Secondary high-temperature incinerator (21) exhanst gas outlet be connected, high-temperature flue gas radiant cooling room (22) flue gas goes out
Mouthful be connected with boiler evaporator (28) smoke inlet, boiler evaporator (28) exhanst gas outlet respectively with boiler economizer (34) cigarette
Gas entrance, boiler economizer (34) exhanst gas outlet and fume environment protection processing system（53）SCR denitration device (33) smoke inlet
It is connected, SCR denitration device (33) exhanst gas outlet is connected with boiler economizer (34) smoke inlet, high-temperature flue gas radiant cooling room
(22), boiler evaporator (28), boiler economizer (34), boiler-steam dome (26), thermal deaerator (38) and feed pump (37)
It is connected by boiler steam-water pipeline (27), high-temperature flue gas radiant cooling room (22) bottom is provided with ash dropping hopper II (23), boiler evaporating
Device (28) bottom is provided with ash dropping hopper III (29), and boiler economizer (34) bottom is provided with ash dropping hopper IV (35).
Described fume environment protection processing system（53）Mainly include SCR denitration device（33）, sack cleaner（39）, flue gas
Deacidification system（55）, chimney（50）；Wherein deacidification system（55）Mainly include deacidifying flue gas tower（45）, alkali liquor agitator tank（48）、
Alkali liquor pond（47）, replenishment pump（46）, NaOH solution circulating pump（49）Composition, residual neat recovering system（52）Boiler economizer (34) flue gas
Outlet is connected with sack cleaner (39) smoke inlet, and sack cleaner (39) exhanst gas outlet passes through air-introduced machine (41) afterwards and cigarette
QI prostration acid tower (45) smoke inlet is connected, SCR denitration device（33）The boiler evaporator of entrance and afterheat boiler system（28）Go out
Mouth is connected, SCR denitration device（33）Outlet and boiler economizer（34）Entrance is connected, SCR denitration device（33）Entrance and outlet
It is connected, on connected flue valve I is respectively provided with（30）, valve II（32）, valve III（31）, during normal operation valve I and
Valve II is opened, and valve III is closed；The of short duration maintenance of SCR denitration device or flue gas are without SCR denitration device NOx feelings up to standard
Under condition, valve I and valve II are closed, and valve III is opened.Deacidifying flue gas tower (45) exhanst gas outlet and chimney (50) smoke inlet phase
Even, sack cleaner (39) bottom is provided with ash dropping hopper V（40）；Deacidifying flue gas system（55）In, from deacidifying flue gas tower（45）Bottom
Alkali liquor circulatory pool（65）In pass through NaOH solution circulating pump（49）Extract alkali liquor atomization and pump into deacidifying flue gas tower（45）It is interior, the alkali liquor of atomization
Inverse flue gas flow direction is sprayed into, with SO in flue gas2、HCL、SO3 2-、CL-There is the purpose that neutralization reaction reaches deacidification Deng acid.Agitator tank
(48) it is solid base or liquid NaOH in, agitator tank (48) is connected with clean water, the uniform alkali liquor of agitator tank (48) passes through pipeline
Alkali liquor pond (47) is connected to, alkali liquor pond (47) are connected by replenishment pump (46) with extracting tower (45), flue gas in deacidifying flue gas system
Extracting tower（45）Using micro- mist desulfurization and dedusting technology, deacidifying flue gas tower（45）Inside is additionally provided with sieve tray and Venturi tube.
Described solid product recovery system（54）Mainly include water-cooled drag conveyor I（7）, water-cooled drag conveyor II
（12）, water-cooled drag conveyor III（24）, twin shaft slag cooler（25）, circulating cooling water tank（42）, circulating cooling water pump（44）.Water
Cold drag conveyor I（7）, water-cooled drag conveyor II（12）, water-cooled drag conveyor III（24）, twin shaft slag cooler（25）, it is cold
But water tank（42）, circulating cooling water pump（44）By circulation line（43）Connection；Water-cooled drag conveyor I（7）Material inlet with
Star-shaped discharge valve I（17）With star-shaped discharge valve II（19）It is connected, water-cooled drag conveyor I（7）Material outlet and constant temperature material again
Bucket（8）It is connected, again constant temperature hopper（8）With big scale traveling-grate stoker（10）Front portion is connected, the ash dropping hopper I (11) of forward part and water
Cold drag conveyor II (12) is connected, afterwards the ash dropping hopper I (11) of part and twin shaft slag cooler（25）It is connected, twin shaft slag cooler（25）
Material outlet and water-cooled drag conveyor II（12）It is connected, water-cooled drag conveyor III（24）Outlet and twin shaft slag cooler（25）Thing
Material entrance, water-cooled drag conveyor III (24) respectively with ash dropping hopper II (23), ash dropping hopper III (29), ash dropping hopper IV (35) and the ash that falls
Bucket V（40）It is connected, the tail end of water-cooled drag conveyor II (12) is provided with packer (13).
Claims (9)
1. a kind of recycling mother solution of glyphosate utilizes system, it is characterised in that；Including mother liquor concentrations system（36）, thermal oxidative reaction
System（51）, residual neat recovering system（52）, fume environment protection processing system（53）With solid product recovery system（54）, mother liquor concentrations
System（36）Respectively with thermal oxidative reaction system（51）And residual neat recovering system（52）Connection, thermal oxidative reaction system（51）With it is remaining
Heat recovery system（52）With solid product recovery system（54）Connection, residual neat recovering system（52）With fume environment protection processing system
（53）With solid product recovery system（54）Connection, fume environment protection processing system（53）With solid product recovery system（54）Even
It is logical；
Described mother liquor concentrations system（36）Mainly include first evaporator（56）, second level vaporizer（57）, the third level steam
Send out device（58）, condenser（59）, first order circulating pump（60）, second level circulating pump（61）, third level circulating pump（62）；
Described thermal oxidative reaction system（51）Mainly include a constant temperature incinerator（14）, cyclone separator I（16）, whirlwind point
From device II（18）, secondary high-temperature incinerator（21）With big scale traveling-grate stoker（10）, one time constant temperature incinerator includes vertical constant temperature
Stove（63）, horizontal constant temperature oven（64）, and with big scale traveling-grate stoker（10）The thermal oxide burner hearth of one closing of composition；
Described residual neat recovering system（52）Mainly include high-temperature flue gas radiant cooling room（22）, boiler evaporator（28）, boiler
Economizer（34）, boiler-steam dome（26）, thermal deaerator（38）And boiler steam-water pipeline（27）；
Described fume environment protection processing system（53）Mainly include SCR denitration device（33）, sack cleaner（39）, deacidifying flue gas
System（55）, chimney（50）；
Described solid product recovery system（54）Mainly include water-cooled drag conveyor I（7）, water-cooled drag conveyor II
（12）, water-cooled drag conveyor III（24）, twin shaft slag cooler（25）, circulating cooling water tank（42）, circulating cooling water pump（44）.
2. a kind of recycling mother solution of glyphosate according to claim 1 utilizes system, it is characterised in that described mother solution is dense
Compression system（36）Using triple effect evaporator, first evaporator（56）, second level vaporizer（57）, third evaporator（58）、
Condenser（59）It is sequentially communicated, and is furnished with first order circulating pump（60）, second level circulating pump（61）, third level circulating pump
（62）；Mother liquor concentrations system（36）Waste liquid outlet and waste liquid tank after middle mother liquor concentrations（1）Entrance be connected, non-condensable gas export with
Constant temperature incinerator（14）It is connected, sewage goes unit for treating water and the condensed condensation water out of low-pressure steam and waste heat recovery
System（52）Oxygen-eliminating device（38）It is connected.
3. a kind of recycling mother solution of glyphosate according to claim 1 utilizes system, it is characterised in that described thermal oxide
Response system（51）Using two grades of burning structures, a constant temperature incinerator（14）Including vertical constant temperature oven（63）With horizontal constant temperature oven
（64）, vertical constant temperature oven（63）It is evenly arranged burner I successively from top to bottom（15）, burner I（15）By gas pipeline with
Surge tank（2）It is connected, burner I（15）By air line and aerator I（5）It is connected, in vertical constant temperature oven（63）Middle part cloth
Put liquid waste spray gun（4）, liquid waste spray gun（4）By waste drains pump（3）With waste liquid tank（1）Outlet is connected, horizontal constant temperature oven（64）In the past
It is evenly arranged burner II successively to after（9）, burner II（9）By gas pipeline and surge tank（2）It is connected, burner II
（9）By air line and aerator I（5）It is connected, a constant temperature incinerator（14）Exhanst gas outlet and cyclone separator I（16）Cigarette
Gas entrance is connected, cyclone separator I（16）Exhanst gas outlet and cyclone separator II（18）Smoke inlet is connected, cyclone separator II
(18) exhanst gas outlet is connected with secondary high-temperature incinerator (21) smoke inlet, and secondary high-temperature incinerator (21) top circumferencial direction is equal
Even arrangement burner III (20), burner III (20) is connected by gas pipeline with surge tank (2), and burner III (20) is by sky
Feed channel is connected with aerator I (5), cyclone separator I（16）With cyclone separator II（18）Bottom connects respectively star-like discharging
Valve I（17）With star-shaped discharge valve II（19）, big scale traveling-grate stoker (10) bottom be ash dropping hopper I (11), big scale traveling-grate stoker
(10) side air compartment connection aerator II (6).
4. a kind of recycling mother solution of glyphosate according to claim 1 utilizes system, it is characterised in that described waste heat is returned
Receipts system（52）High-temperature flue gas radiant cooling room (22) smoke inlet and thermal oxidative reaction system（51）Secondary high-temperature burn
Stove (21) exhanst gas outlet be connected, high-temperature flue gas radiant cooling room (22) exhanst gas outlet and boiler evaporator (28) smoke inlet
Be connected, boiler evaporator (28) exhanst gas outlet respectively with boiler economizer (34) smoke inlet, boiler economizer (34) flue gas goes out
Mouth and fume environment protection processing system（53）SCR denitration device (33) smoke inlet be connected, SCR denitration device (33) flue gas goes out
Mouth is connected with boiler economizer (34) smoke inlet, and high-temperature flue gas radiant cooling room (22), boiler evaporator (28), boiler save coal
Device (34), boiler-steam dome (26), thermal deaerator (38) and feed pump (37) are connected by boiler steam-water pipeline (27), high temperature
Gas radiation cooling chamber (22) bottom is provided with ash dropping hopper II (23), and boiler evaporator (28) bottom is provided with ash dropping hopper III (29), pot
Stove economizer (34) bottom is provided with ash dropping hopper IV (35).
5. a kind of recycling mother solution of glyphosate according to claim 1 utilizes system, it is characterised in that described flue gas ring
Protect processing system（53）In deacidification system（55）Mainly include deacidifying flue gas tower（45）, alkali liquor agitator tank（48）, alkali liquor pond
（47）, replenishment pump（46）, NaOH solution circulating pump（49）Composition, residual neat recovering system（52）Boiler economizer (34) exhanst gas outlet with
Sack cleaner (39) smoke inlet is connected, and sack cleaner (39) exhanst gas outlet passes through air-introduced machine (41) afterwards and deacidifying flue gas
Tower (45) smoke inlet is connected, and deacidifying flue gas tower (45) exhanst gas outlet is connected with chimney (50) smoke inlet, sack cleaner
(39) bottom is provided with ash dropping hopper V（40）；
It is solid base or liquid NaOH in described agitator tank (48), agitator tank (48) is connected with clean water, agitator tank (48) is
Even alkali liquor is connected to alkali liquor pond (47) by pipeline, and alkali liquor pond (47) are connected by replenishment pump (46) with extracting tower (45), cigarette
QI prostration acid tower（45）Inside is additionally provided with sieve tray and Venturi tube.
6. a kind of recycling mother solution of glyphosate according to claim 1 utilizes system, it is characterised in that；Described solid is produced
Thing recovery system（54）Water-cooled drag conveyor I (7), water-cooled drag conveyor II（12）, water-cooled drag conveyor III（24）、
Twin shaft slag cooler（25）, cooling water tank（42）, circulating cooling water pump（44）By circulation line（43）Connection；Water-cooled scraper plate is conveyed
Machine I（7）Material inlet and star-shaped discharge valve I（17）With star-shaped discharge valve II（19）It is connected, water-cooled drag conveyor I（7）Material
Outlet and constant temperature hopper again（8）It is connected, again constant temperature hopper（8）With big scale traveling-grate stoker（10）Front portion is connected, forward part
Ash dropping hopper I (11) be connected with water-cooled drag conveyor II (12), the ash dropping hopper I (11) of part and twin shaft slag cooler afterwards（25）Phase
Even, twin shaft slag cooler（25）Material outlet and water-cooled drag conveyor II（12）It is connected, water-cooled drag conveyor III（24）Outlet
With twin shaft slag cooler（25）Material inlet, water-cooled drag conveyor III (24) respectively with ash dropping hopper II (23), ash dropping hopper III (29),
Ash dropping hopper IV (35) and ash dropping hopper V（40）It is connected, the tail end of water-cooled drag conveyor II (12) is provided with packer (13).
7. a kind of recycling mother solution of glyphosate according to claim 3 utilizes system, it is characterised in that described waste liquid spray
Rifle（4）Using atomizing lance, atomizing medium is saturated vapor or compressed air.
8. a kind of recycling mother solution of glyphosate according to claim 1 utilizes system, it is characterised in that described whirlwind point
From device I（16）With cyclone separator II（18）Inside adopts jacket type structure, and a vacuum clip is formed between two-layer cyclone cylinder
Layer.
9. a kind of recycling mother solution of glyphosate according to claim 1 or 4 utilizes system, it is characterised in that described height
Warm flue gas cooling chamber（22）Surrounded using fin panel casing；Described boiler evaporator（28）And boiler economizer（34）By convection current
Tube bank composition.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510720874.9A CN105236376B (en) | 2015-10-30 | 2015-10-30 | Glyphosate mother liquor resource utilization system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510720874.9A CN105236376B (en) | 2015-10-30 | 2015-10-30 | Glyphosate mother liquor resource utilization system |
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| CN105236376A CN105236376A (en) | 2016-01-13 |
| CN105236376B true CN105236376B (en) | 2017-05-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106082515B (en) * | 2016-06-27 | 2019-11-12 | 四川福思达生物技术开发有限责任公司 | A kind of incineration treatment technology of glyphosate mother solution |
| CN110330037A (en) * | 2019-07-17 | 2019-10-15 | 江苏汉凯工程技术有限公司 | The method of sodium chloride is recycled in a kind of glyphosate mother solution |
| CN111288466A (en) * | 2020-04-03 | 2020-06-16 | 河南红东方化工股份有限公司 | High-salt waste liquid incineration treatment method |
| CN112161259A (en) * | 2020-10-10 | 2021-01-01 | 镇江江南化工有限公司 | Method for reducing energy consumption in production of crude sodium pyrophosphate and directional conversion device thereof |
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| CN102221213B (en) * | 2011-04-08 | 2012-10-10 | 北京航天动力研究所 | Device for burning and processing exhaust gas and waste water containing PMIDA and glyphosate |
| CN103062777B (en) * | 2011-10-18 | 2017-04-05 | 浙江新安化工集团股份有限公司 | Two-part incinerator and CIU |
| CN103438466B (en) * | 2013-09-09 | 2015-11-25 | 北京航天动力研究所 | A kind of method and device utilizing glyphosate mother solution calcining at constant temperature production sodium pyrophosphate |
| CN205653166U (en) * | 2015-10-30 | 2016-10-19 | 大连科林能源工程技术开发有限公司 | Sweet phosphine mother liquor utilization system of grass |
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