CN107673529A - A kind of phosphate glass solidification technique - Google Patents
A kind of phosphate glass solidification technique Download PDFInfo
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- CN107673529A CN107673529A CN201710887477.XA CN201710887477A CN107673529A CN 107673529 A CN107673529 A CN 107673529A CN 201710887477 A CN201710887477 A CN 201710887477A CN 107673529 A CN107673529 A CN 107673529A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
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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
- B01D53/002—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 by condensation
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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
- B01D53/005—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 by heat treatment
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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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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/38—Nitric acid
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/008—Sludge treatment by fixation or solidification
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Environmental & Geological Engineering (AREA)
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- Hydrology & Water Resources (AREA)
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Abstract
The invention discloses a kind of phosphate glass solidification technique, comprise the following steps：Concentrating spent liquor and chemical addition agent are discharged into denitration evaporator by the first pumping equipment, the second pumping equipment and feeding device；The mixed liquor sent out in out of stock evaporator is discharged into melting device, the mixture in melting device is discharged into waste canister；Waste gas in melting device realizes retrieval of sulfuric acid by condenser, then connects evaporator by condenser；Evaporator connects nitric acid retracting device by condenser, realizes that nitric acid reclaims；Nitric acid retracting device realizes that secondary recovery is handled by connecting condenser, and regenerant is emitted in storagetank；Condenser is by connecting heater, filter and caustic scrubber, realize that waste gas discharges, the present invention realizes the curing process to the hazardous waste containing rare earth ion by the design of phosphate glass solidification, rare earth solubility high solidification effect is good, meets present requirement.
Description
Technical field
The present invention relates to a kind of curing process, specifically a kind of phosphate glass solidification technique.
Background technology
With industrial expansion, the hazardous waste of industrial processes discharge is increasing.It is estimated that the whole world is annual
Hazardous waste yield is 3.3 hundred million tons.The serious pollution that is brought due to hazardous waste and potentially have a strong impact on, in industry prosperity
National Hazard waste has been referred to as " political waste ", and the public is very sensitive to hazardous waste problem, opposes in the area that oneself is lived
Dangerous waste disposal field is set up, high plus the disposal costs of hazardous waste, some companies are strongly attempted to the undeveloped state of industry
Family and area transfer hazardous waste.
How many still difficult statistics of this transboundary movement amount of hazardous waste, it is apparent that being to increase.According to Green Peace group
The survey report knitted, hazardous waste is transported with annual 50000000 tons of scale to developing country by developed country, from 1986
Year to 1992, the hazardous waste that developed country has been 1.63 hundred million tons to developing country and East European countries' transfer total amount.It is dangerous
The transboundary movement of waste all has very important harm to developing country or even global environment.Firstly, since waste is defeated
Enter state and be substantially all the technological means and economic capability for lacking processing and disposal hazardous waste, the input of hazardous waste will necessarily be led
Cause the infringement to local environment and population health.Secondly, diffusion of the hazardous waste to under-developed area is actually to escape
Disposal responsibility as defined in national, hazardous waste is set not obtain due processing and disposal and be diffused among environment, long-term product
Tired result will necessarily produce harm to global environment.
It is more now for the means of these hazardous wastes processing, but can not be carried out for some at physical chemistry means
The hazardous waste for having larger harm of reason recovery is typically all buried after curing process, now larger to some pollutions
Waste liquid containing rare earth ion, processing is more difficult, and traditional processing means can not realize effective processing.
The content of the invention
It is an object of the invention to provide a kind of phosphate glass solidification technique, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the present invention provides following technical scheme：
A kind of phosphate glass solidification technique, comprises the following steps：
Step 1：Chemical addition agent is discharged into denitration evaporator by the first pumping equipment and the second pumping equipment, led to
Cross feeding device and be discharged into concentrating spent liquor into denitration evaporator；
Step 2：The mixing liquid that chemical addition agent in out of stock evaporator and concentrating spent liquor are formed is discharged into melting device,
The mixture formed after melting device is handled is discharged into waste canister；
Step 3：Caused high heat waste vapour is cooled down by condenser in melting device, the mixed waste liquor row after cooling
Enter in evaporator, evaporator is evaporated to mixed waste liquor；
Step 4：Mixed waste liquor caused high heat mixing waste vapour after evaporator evaporation is carried out cold by condenser
But, caused nitric acid waste is discharged into nitric acid retracting device after cooling, and nitric acid retracting device reclaims to nitric acid waste；
Step 5：The mixing waste vapour for flowing through nitric acid retracting device enters in next stage condenser, and condenser is to mixing waste vapour
Cooled down again, caused regenerant is emitted in storagetank；
Step 6：Condenser carries out regenerant caused by cooling again to mixing waste vapour and is discharged into heater and heats,
Import in filter after heater heats, be discharged into after filter filters in caustic scrubber, heel row is handled by caustic scrubber
Put.
As the further scheme of the present invention：Heater is provided with the denitration evaporator.
As the further scheme of the present invention：The evaporator connects denitration evaporator by returning liquid pump.
As the further scheme of the present invention：The condenser connects water circle device.
As the further scheme of the present invention：Metering device is provided with first pumping equipment, the second pumping equipment.
As the further scheme of the present invention：Heater is provided with the melting device.
As the further scheme of the present invention：Mixed liquor heats 30- in melting device under hot conditions in the step 2
70 minutes.
As the further scheme of the present invention：The condenser is provided with multiple, and each condenser 7 is individually present.
As the further scheme of the present invention：Spray equipment is provided with the caustic scrubber.
Compared with prior art, the beneficial effects of the invention are as follows：By phosphate glass and heating concentration mixed liquor useless
Realize that glass solidification is handled in thing container, realize the curing process to the hazardous waste containing rare earth ion, rare earth solubility height
Solidification effect is good, and waste gas realizes condensation recycling, and environmental protection is reliable, meets present requirement, and present invention process is simple,
Process is less, by the design of phosphate glass solidification, realizes the curing process to the hazardous waste containing rare earth ion, rare earth
Solubility high solidification effect is good, meets present requirement.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of phosphate glass solidification technique.
In figure：1- waste canisters, 2- melting devices, 3- denitrations evaporator, 4- feeding devices, the pumping equipments of 5- first, 6-
Two pumping equipments, 7- condensers, 8- return liquid pump, 9- heaters, 10- caustic scrubbers, 11- filters, 12- storagetanks, 13- nitric acid and returned
Receiving apparatus, 14- evaporators.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, in the embodiment of the present invention, a kind of phosphate glass solidification technique, comprise the following steps：
Step 1：Chemical addition agent is discharged into denitration evaporator 3 by the first pumping equipment 5 and the second pumping equipment 6,
Concentrating spent liquor is discharged into denitration evaporator 3 by feeding device 4；
Step 2：The mixing liquid that chemical addition agent in out of stock evaporator 3 and concentrating spent liquor are formed is discharged into melting device 2
It is interior, the mixture formed after melting device 2 is handled is discharged into waste canister 1；
Step 3：Caused high heat waste vapour is cooled down by condenser 7 in melting device 2, the mixed waste liquor after cooling
It is discharged into evaporator 14, evaporator 14 is evaporated to mixed waste liquor；
Step 4：Mixed waste liquor caused high heat mixing waste vapour after the evaporation of evaporator 14 is carried out by condenser 7
Cooling, caused nitric acid waste is discharged into nitric acid retracting device 13 after cooling, and nitric acid retracting device 13 reclaims to nitric acid waste；
Step 5：The mixing waste vapour for flowing through nitric acid retracting device 13 enters in next stage condenser 7, and condenser 7 is to mixing
Waste vapour is cooled down again, and caused regenerant is emitted in storagetank 12；
Step 6：Condenser 7 carries out regenerant caused by cooling again to mixing waste vapour and is discharged into heater 9 and adds
Heat, import in filter 11, be discharged into after the filtering of filter 11 in caustic scrubber 10, by alkali cleaning after the heating of heater 9
Discharged after the processing of device 10.
The present invention is by the design of step 1, by the first pumping equipment 5, the second pumping equipment 6 and feeding device 4 to de-
Concentrating spent liquor and chemical addition agent are discharged into nitre evaporator 3, by the design of step 2, by the mixed liquor in out of stock evaporator 3
Discharge into melting device 2, by the design of step 3, the waste gas in melting device 2 realizes retrieval of sulfuric acid by condenser 7, then passes through
Condenser 7 connects evaporator 14, and evaporator 14 connects denitration evaporator 3 by returning liquid pump 8, realizes that denitration is evaporated, passes through step
Four design, evaporator 14 connect nitric acid retracting device 13 by condenser 7, realize that nitric acid reclaims, condenser 7 connects water circulation
Device, by the design of step 5, nitric acid retracting device 13 realizes that secondary recovery is handled by connecting condenser 7, regenerant row
It is placed in storagetank 12, by the design of step 6, condenser 7 is real by connecting heater 9, filter 11 and caustic scrubber 10
Existing waste gas discharge, present invention process is simple, and process is less, by the design of phosphate glass solidification, realize to containing rare earth from
The curing process of the hazardous waste of son, rare earth solubility high solidification effect is good, and waste gas realizes condensation recycling, and environmental protection is reliable,
Meet present requirement.
Embodiment 1
Processing to the heavy metal ion waste liquid of printing and dyeing mill's discharge, comprises the following steps：
Step 1：Chemical addition agent is discharged into denitration evaporator 3 by the first pumping equipment 5 and the second pumping equipment 6,
Concentrating spent liquor is discharged into denitration evaporator 3 by feeding device 4, is provided with the first pumping equipment 5, the second pumping equipment 6
Metering device；
Step 2：The mixing liquid that chemical addition agent in out of stock evaporator 3 and concentrating spent liquor are formed is discharged into melting device 2
Interior, mixed liquor is heated 40 minutes in melting device 2 under hot conditions, and the mixture formed after melting device 2 is handled is discharged into
In waste canister 1, heater is provided with denitration evaporator 3, heater is provided with melting device 2；
Step 3：Caused high heat waste vapour is cooled down by condenser 7 in melting device 2, the mixed waste liquor after cooling
It is discharged into evaporator 14, evaporator 14 is evaporated to mixed waste liquor, and evaporator 14 connects denitration evaporator 3 by returning liquid pump 8；
Step 4：Mixed waste liquor caused high heat mixing waste vapour after the evaporation of evaporator 14 is carried out by condenser 7
Cooling, caused nitric acid waste is discharged into nitric acid retracting device 13 after cooling, and nitric acid retracting device 13 reclaims to nitric acid waste,
Condenser 7 connects water circle device；
Step 5：The mixing waste vapour for flowing through nitric acid retracting device 13 enters in next stage condenser 7, and condenser 7 is to mixing
Waste vapour is cooled down again, and caused regenerant is emitted in storagetank 12；
Step 6：Condenser 7 carries out regenerant caused by cooling again to mixing waste vapour and is discharged into heater 9 and adds
Heat, import in filter 11, be discharged into after the filtering of filter 11 in caustic scrubber 10, by alkali cleaning after the heating of heater 9
Discharged after the processing of device 10.
The present invention realizes that glass solidification is handled by phosphate glass and heating concentration mixed liquor in waste canister, realizes
To the curing process of the hazardous waste containing rare earth ion, rare earth solubility high solidification effect is good, and waste gas is realized at condensation recovery
Reason, environmental protection is reliable, meets requirement.
Embodiment 2
Processing to the heavy metal ion waste liquid of printing and dyeing mill's discharge, comprises the following steps：
Step 1：It is discharged into by the first pumping equipment 5, the second pumping equipment 6 and feeding device 4 into denitration evaporator 3
Condensed heavy metal ion waste liquid and chemical addition agent, metering device is provided with the first pumping equipment 5, the second pumping equipment 6；
Step 2：The mixed liquor of hair in out of stock evaporator 3 is discharged into melting device 2, mixed liquor high temperature bar in melting device 2
Heated 60 minutes under part, the mixture in melting device 2 is discharged into waste canister 1, heating dress is provided with denitration evaporator 3
Put, heater is provided with melting device 2；
Step 3：Waste gas in melting device 2 realizes retrieval of sulfuric acid by condenser 7, then connects evaporator by condenser 7
14, evaporator 14 connects denitration evaporator 3 by returning liquid pump 8；
Step 4：Evaporator 14 connects nitric acid retracting device 13 by condenser 7, realizes that nitric acid reclaims, condenser 7 connects
Water circle device；
Step 5：Nitric acid retracting device 13 realizes that secondary recovery is handled by connecting condenser 7, and regenerant is emitted on storage
In groove 12；
Step 6：Condenser 7 realizes that waste gas discharges by connecting heater 9, filter 11 and caustic scrubber 10.
The present invention realizes that glass solidification is handled by phosphate glass and heating concentration mixed liquor in waste canister, realizes
To the curing process of the hazardous waste containing rare earth ion, rare earth solubility high solidification effect is good, and waste gas is realized at condensation recovery
Reason, environmental protection is reliable, meets present requirement.
Embodiment 3
To the processing of the rare earth ion waste liquid discharged in laboratory, comprise the following steps：
Step 1：It is discharged into by the first pumping equipment 5, the second pumping equipment 6 and feeding device 4 into denitration evaporator 3
The rare earth ion waste liquid and chemical addition agent of concentration, metering device is provided with the first pumping equipment 5, the second pumping equipment 6；
Step 2：The mixed liquor of hair in out of stock evaporator 3 is discharged into melting device 2, mixed liquor high temperature bar in melting device 2
Heated 40 minutes under part, the mixture in melting device 2 is discharged into waste canister 1, heating dress is provided with denitration evaporator 3
Put, heater is provided with melting device 2；
Step 3：Waste gas in melting device 2 realizes retrieval of sulfuric acid by condenser 7, then connects evaporator by condenser 7
14, evaporator 14 connects denitration evaporator 3 by returning liquid pump 8；
Step 4：Evaporator 14 connects nitric acid retracting device 13 by condenser 7, realizes that nitric acid reclaims, condenser 7 connects
Water circle device；
Step 5：Nitric acid retracting device 13 realizes that secondary recovery is handled by connecting condenser 7, and regenerant is emitted on storage
In groove 12；
Step 6：Condenser 7 realizes that waste gas discharges by connecting heater 9, filter 11 and caustic scrubber 10.
The present invention realizes that glass solidification is handled by phosphate glass and heating concentration mixed liquor in waste canister, realizes
To the curing process of the hazardous waste containing rare earth ion, rare earth solubility high solidification effect is good, and waste gas is realized at condensation recovery
Reason, environmental protection is reliable, meets requirement.
Embodiment 4
To the processing of the rare earth ion waste liquid discharged in laboratory, comprise the following steps：
Step 1：It is discharged into by the first pumping equipment 5, the second pumping equipment 6 and feeding device 4 into denitration evaporator 3
The rare earth ion waste liquid and chemical addition agent of concentration, metering device is provided with the first pumping equipment 5, the second pumping equipment 6；
Step 2：The mixed liquor of hair in out of stock evaporator 3 is discharged into melting device 2, mixed liquor high temperature bar in melting device 2
Heated 60 minutes under part, the mixture in melting device 2 is discharged into waste canister 1, heating dress is provided with denitration evaporator 3
Put, heater is provided with melting device 2；
Step 3：Waste gas in melting device 2 realizes retrieval of sulfuric acid by condenser 7, then connects evaporator by condenser 7
14, evaporator 14 connects denitration evaporator 3 by returning liquid pump 8；
Step 4：Evaporator 14 connects nitric acid retracting device 13 by condenser 7, realizes that nitric acid reclaims, condenser 7 connects
Water circle device；
Step 5：Nitric acid retracting device 13 realizes that secondary recovery is handled by connecting condenser 7, and regenerant is emitted on storage
In groove 12；
Step 6：Condenser 7 realizes that waste gas discharges by connecting heater 9, filter 11 and caustic scrubber 10.
The present invention realizes that glass solidification is handled by phosphate glass and heating concentration mixed liquor in waste canister, realizes
To the curing process of the hazardous waste containing rare earth ion, rare earth solubility high solidification effect is good, and waste gas is realized at condensation recovery
Reason, environmental protection is reliable, meets present requirement.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (9)
1. a kind of phosphate glass solidification technique, it is characterised in that comprise the following steps：
Step 1：Chemical addition is discharged into denitration evaporator (3) by the first pumping equipment (5) and the second pumping equipment (6)
Agent, concentrating spent liquor is discharged into denitration evaporator (3) by feeding device (4)；
Step 2：The mixing liquid that the interior chemical addition agent of out of stock evaporator (3) and concentrating spent liquor are formed is discharged into melting device (2)
It is interior, the mixture formed after melting device (2) processing is discharged into waste canister (1)；
Step 3：Caused high heat waste vapour is cooled down by condenser (7) in melting device (2), the mixed waste liquor after cooling
It is discharged into evaporator (14), evaporator (14) is evaporated to mixed waste liquor；
Step 4：Mixed waste liquor caused high heat mixing waste vapour after evaporator (14) evaporation is carried out by condenser (7)
Cooling, caused nitric acid waste is discharged into nitric acid retracting device (13) after cooling, and nitric acid retracting device (13) is carried out to nitric acid waste
Recovery；
Step 5：The mixing waste vapour for flowing through nitric acid retracting device (13) enters in next stage condenser (7), and condenser (7) is to mixed
Close waste vapour to be cooled down again, caused regenerant is emitted in storagetank (12)；
Step 6：Condenser (7) carries out regenerant caused by cooling again to mixing waste vapour and is discharged into heater (9) and adds
Heat, import in filter (11) after heater (9) heating, be discharged into after filter (11) filtering in caustic scrubber (10),
Discharged after caustic scrubber (10) processing.
2. phosphate glass solidification technique according to claim 1, it is characterised in that set in the denitration evaporator (3)
Heater is equipped with, the concentrating spent liquor is containing pending waste liquid of the pollutant by concentration.
3. phosphate glass solidification technique according to claim 1, it is characterised in that the evaporator (14) is by returning liquid
Pump (8) connection denitration evaporator (3).
4. phosphate glass solidification technique according to claim 1, it is characterised in that condenser (7) the connection water follows
Loop device.
5. phosphate glass solidification technique according to claim 1, it is characterised in that first pumping equipment (5),
Metering device is provided with two pumping equipments (6).
6. phosphate glass solidification technique according to claim 1, it is characterised in that be provided with the melting device (2)
Heater.
7. phosphate glass solidification technique according to claim 1, it is characterised in that mixed liquor is molten in the step 2
Melt heating 30-70 minutes under device (2) interior hot conditions.
8. phosphate glass solidification technique according to claim 1, it is characterised in that the condenser (7) is provided with more
Individual, each condenser (7) is individually present.
9. phosphate glass solidification technique according to claim 1, it is characterised in that be provided with the caustic scrubber (10)
Spray equipment.
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| CN201710887477.XA CN107673529A (en) | 2017-09-27 | 2017-09-27 | A kind of phosphate glass solidification technique |
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| CN201710887477.XA CN107673529A (en) | 2017-09-27 | 2017-09-27 | A kind of phosphate glass solidification technique |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101066826A (en) * | 2007-06-01 | 2007-11-07 | 上海大学 | Phosphate stabilizing treatment process for electroplating sludge |
| CN101826376A (en) * | 2010-05-07 | 2010-09-08 | 西南科技大学 | Preparation method of vitrification substrate for radioactive nuclear waste |
| CN102580979A (en) * | 2012-02-09 | 2012-07-18 | 中国科学院东北地理与农业生态研究所 | Solidification/stabilization method for mercury-containing hazardous waste |
| CN204760055U (en) * | 2015-06-30 | 2015-11-11 | 常州市建林五金厂 | Phosphate glass solidification device |
-
2017
- 2017-09-27 CN CN201710887477.XA patent/CN107673529A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101066826A (en) * | 2007-06-01 | 2007-11-07 | 上海大学 | Phosphate stabilizing treatment process for electroplating sludge |
| CN101826376A (en) * | 2010-05-07 | 2010-09-08 | 西南科技大学 | Preparation method of vitrification substrate for radioactive nuclear waste |
| CN102580979A (en) * | 2012-02-09 | 2012-07-18 | 中国科学院东北地理与农业生态研究所 | Solidification/stabilization method for mercury-containing hazardous waste |
| CN204760055U (en) * | 2015-06-30 | 2015-11-11 | 常州市建林五金厂 | Phosphate glass solidification device |
Non-Patent Citations (1)
| Title |
|---|
| 周立祥等: "《固体废物处理处置与资源化》", 30 July 2007, 中国农业出版社 * |
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