CN109091968A - A method of multi-functional PPS filter bag is produced using existing equipment - Google Patents
A method of multi-functional PPS filter bag is produced using existing equipment Download PDFInfo
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- CN109091968A CN109091968A CN201811065429.3A CN201811065429A CN109091968A CN 109091968 A CN109091968 A CN 109091968A CN 201811065429 A CN201811065429 A CN 201811065429A CN 109091968 A CN109091968 A CN 109091968A
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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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
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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
- B01D46/0001—Making filtering elements
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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
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
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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
- B01D53/86—Catalytic processes
- B01D53/8665—Removing heavy metals or compounds thereof, e.g. mercury
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Abstract
The invention discloses a kind of methods for producing multi-functional PPS filter bag using existing equipment, catalytic active component salting liquid pond will be immersed by the semi-finished product PPS filtrate before original heat setting process, drying and dehydrating in the thermal finalization furnace in original heat setting process is sent into after adsorption active metallic ion, the industrial production of multi-functional PPS filter bag is successively completed by overlay film and packing device processing after 35%-60% potassium permanganate oxidation, the drying of second heat shaping furnace, circulated sprinkling rinse and thermal finalization furnace is dry three times again.The present invention solves the connection problem of the multi-functional PPS filter bag of pollutant combined removal Yu tradition PPS filtrate industrial manufacture process, it realizes under conditions of the addition of process units equipment zero and original equipment device zero are transformed, only optimize thermal finalization processing flow and the method in original traditional processing technology, completes the industrial production of the multi-functional PPS filter bag of pollutant combined removal.
Description
Technical field
The invention belongs to PPS filter bag pollutant removing process, and in particular to a kind of to produce multi-functional PPS using existing equipment
The method of filter bag.
Background technique
Single Pollution object control technology, such as common titanium vanadium commercialization denitrating catalyst, the cloth bag removing of dust and heavy metal
Flue active carbon spraying technique of mercury etc. is still the pollutant removing technology of domestic mainstream, but either removes the cost of equipment
The improvement and installation of expense either existing system all proposes higher requirement, therefore the joint removing sulfuldioxide of multiple pollutant can be state
Interior sustainable Clean Development reduces cost.Maturation and operating condition of this patent based on cloth bag dedusting process stablize propose with
Bag filter is pollutant combined removal device, realizes the removing of the joints such as dedusting, denitration, demercuration, and core is a variety of dirts
Contaminate the exploitation that Internet of Things close removing complex function filter bag.However domestic only complex function filtrate is also relied on external import, cost
Higher to promote, the domestic status in relation to studying still rests on theory stage.
In the patent of invention application No. is CN201610874980.7, disclose it is a kind of " a kind of anti-spindle thorn filter bag
Processing technology ", this feature are by needle thorn → modification → 360-400 DEG C of 5-35% potassium permanganate heat flush → fluorochemical repellent oil
It manages agent processing → 0.5-8% crosslinking agent dipping → packing processing and realizes technologic improvement, simplify preparation flow, but main problem is
Larger change is proposed to original conventional processes, strict requirements are proposed for industrial conversion, can not be adapted to existing vast
PPS cloth bag produces market, and invents the pollutant removing function of still failing to propose that PPS cloth bag is new, cannot fundamentally reform
Existing PPS cloth bag market.The present invention is realized by the way that chemical in situ method of formation process procedure is added in original heat setting process
The compound PPS filter bag for having pollutant combined removal ability is directly produced on original production technology assembly line.
Summary of the invention
To solve the above problems, the present invention proposes a kind of method for producing multi-functional PPS filter bag using existing equipment, filtering
In the original heat setting process link of bag, it is added using chemical in situ method of formation as the preparation method of core, in no added equipment and changes
The industrial production line of pollutant combined removal complex function PPS filter bag is realized under conditions of making.
A method of multi-functional PPS filter bag is produced using existing equipment, which is characterized in that the technique includes following step
It is rapid:
(1) the catalytic activity group of high concentration impregnation technology: will be sent by the PPS filtrate (semi-finished product) before original heat setting process
Divide salting liquid pond, until the abundant adsorbing metal cation of semi-finished product PPS filter material surface；
(2) primary drying technique: the PPS filtrate after the completion of step (1) is delivered in original heat setting process by idler wheel
Filtrate drying and dehydrating, drying time 1-2h are realized in thermal finalization furnace；
(3) the PPS filtrate after primary drying oxidative deamination process: is conveyed into 35%-60% liquor potassic permanganate pond by idler wheel
In, the active metallic ion of filter material surface absorption, oxidation residence time 0.5-1.5h are aoxidized under constant temperature conditions；
(4) redrying technique: the PPS filtrate after potassium permanganate oxidation is sent into same thermal finalization furnace and carries out secondary do
It is dry, drying time 1-2h；
(5) it sprays cleaning process: the PPS filtrate after redrying is sent into circulated sprinkling tower, shower water rinses PPS filtrate table
Face potassium permanganate, until observing that flushing water is transparent；
(6) drying process three times: will be sent into same thermal finalization furnace by the PPS filtrate after spray cleaning and be dried three times,
Drying time 1-2h；
(7) overlay film technology of the package: being the industry for completing complex function PPS filter bag after carrying out overlay film and packing device processing to finished product
Production.
All appliance arrangements include that solution pool, circulated sprinkling case, thermal finalization furnace, pressing roller etc. can be adopted in the step
With the use device in original heat setting process, without adding new equipment and plant modification.
In the step (1), semi-finished product PPS filtrate conveying speed is adjusted by pressing roller rotational frequency, according to pool work
PPS filtrate Traffic control system rotational frequency in other link production times and dipping solution pond in skill, generally set rotational frequency as
0.5-3.5 r/min。
In the step (1), the ingredient of catalyst activity component is that Mn, Ce, W, Mo, Al be one such or several mixing
Ingredient, active component salt solution are nitrate or chlorate, configuration concentration 0.02-0.1kg/L.
In the step (2), thermal finalization furnace furnace temperature is set as 80-100 DEG C of constant temperature.
In the step (3), concentration of polymer solution is 30%-60% in liquor potassic permanganate pond.
In the step (3), in-situ oxidation reaction condition be liquor potassic permanganate be in subacidity and suitable reactions temperature,
In liquor potassic permanganate pH value adjusted to 5-6 with dust technology, realize whole pond to install heating device such as carbon-point and attemperator
Temperature control system is with stable at 75-85 DEG C.
In the step (5), spray column uses circulated sprinkling, and spray rate is about 4-5L/min, rated pressure
0.12MPa, interior is multiple-pass structure；The color of spray column exit shower water, spray are observed by the visual glass windows mouth of tower wall
Leaching tower realizes the replacement of shower water, guarantees the spray of PPS filtrate using water conservancy project operation mode, control Inlet and outlet water valve opening is continuously changed
Cleaning effect, wherein the shower water under replacing is for the liquor potassic permanganate in configuration step c.
The present invention is effectively combined original heat setting process process of single dedusting PPS filter bag with chemical in situ working system,
By only optimizing thermal finalization processing flow and method in original traditional processing technology, i.e. completion pollutant combined removal is multi-functional
The industrial production of PPS filter bag realizes the update of the single dedusting PPS filter bag production model of tradition quickly, efficiently, inexpensive,
High degree reduces existing industrial production model innovation cost and time.The multi-functional PPS filter bag of inventive method preparation is suitable
The joint of industrial waste gas pollutant for cleaners such as coal fired power plant, Industrial Boilers removes.
The beneficial effects of the present invention are:
(1) multi-functional PPS filtrate produced by the invention not only guarantees high dust removal efficiency, is also equipped with the multiple pollutant joint of high activity
Removal performance, such as denitration efficiency and mercury oxidation efficiency etc. may be implemented multiple pollutant joint removing integration, greatly save
Existing Single Pollution object removing sulfuldioxide cost and improvement expenses；
(2) present invention uses the complex function filtrate preparation method using chemical in situ method as core, has simple production process, answers
It closes that filtrate is with short production cycle and complex function filtrate the advantages of being provided simultaneously with high activity and low loss late of production, can greatly open up
Open up PPS dedusting filtering bag industrial value and commercial promise；
(3) present invention process is using the thermal finalization link in original filtrate processing technology as frame, and the whole being directed to is held
Device in original heat setting process can be used in device device and heating device, without newly purchasing other facilities, really realizes production dress
Production model under conditions of zero setting addition and original equipment device zero are transformed optimizes, completion tradition quickly, efficiently, inexpensive
The manufacturing innovation of PPS is regenerated.
Detailed description of the invention
Fig. 1 is the reforming technology flow chart that multiple pollutant combines remove PPS filter bag.
In figure: 1. pressing rollers；2. active component salt solution pond；3. liquor potassic permanganate pond；4. heating insulation layer；5.
Circulated sprinkling case；6. thermal finalization furnace；7. PTFE bulked membrane.
Fig. 2 is circulated sprinkling tower structure figure.
In figure: 1. pressing rollers；8. filtering adsorption layer；9 water filling ports；10 discharge outlet；11. visual glass windows mouth；12.
Circulating pump；13. spray head；14. air-exchanging chamber.
Specific embodiment:
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only used for
Illustrate the present invention rather than limits the scope of the invention.
The present invention is proposed using chemical in situ method of formation as the technique of the pollutant combined removal complex function PPS filtrate of core
And method, it is to change dipping on the device basic of original filter bag heat setting process and heating link realizes multi-functional PPS filter bag
Industrial flow-line production, realized under conditions of without purchasing new process facility and transformation existing apparatus it is innovative, low at
The reform upgrading of this dedusting filtering bag.
Example one:
(1) impregnation technology: will be with rotational frequency by pressing roller by the PPS filtrate (semi-finished product) before original heat setting process
1.0 r/min are by active component Mn, Ce, W, Mo quaternary system catalytic active component salting liquid pond, concentration 0.1kg/L, directly
To the abundant adsorbing metal cation of PPS filter material surface；
(2) the PPS filtrate after the completion of step (1) primary drying technique: is passed through into original thermal finalization work that idler wheel is delivered to 100 DEG C
Filtrate drying and dehydrating, drying time 1.5h are realized in thermal finalization furnace in skill；
(3) oxidative deamination process: it is 50% potassium permanganate that the PPS filtrate after primary drying, which is conveyed into initial concentration by idler wheel,
In solution pool, liquor potassic permanganate pH value is adjusted to 6.0 with dust technology, filter material surface absorption is aoxidized under 80 DEG C of constant temperatures
Active metallic ion；
(4) redrying technique: the PPS filtrate after potassium permanganate oxidation is sent into same thermal finalization furnace and carries out secondary do
It is dry, drying time 1.5h；
(5) it sprays cleaning process: the PPS filtrate after redrying is sent into circulated sprinkling tower, shower water rinses surface Gao Meng
Sour potassium, spray rate is about 4L/min, rated pressure 0.12MPa, until observing that flushing water is transparent；
(6) drying process three times: will be sent into same thermal finalization furnace by the PPS filtrate after spray cleaning and be dried three times,
Drying time 1h；
(7) overlay film technology of the package: being the industry for completing complex function PPS filter bag after carrying out overlay film and packing device processing to finished product
Production.
The finished product PPS function filter bag of internal diameter 12.5cm made from technique, long 55cm through the invention, weighs to obtain PPS filter bag
Surface active composition duty factor is 0.925, in ventilation quantity 30m3The fire coal circulating fluid bed pulsed jet cloth filter condition of the 6KW of/h
Under, efficiency of dust collection, denitration efficiency, mercury oxidation efficiency by measuring obtained complex function PPS filter bag respectively reach 99%,
84.5% and 92.4%, it also passes through persistently to test under the effect of air pulse purging and measures cloth bag missing-pulse factor after 4h and be only
0.6%, demonstrate the two-fold advantage that multi-functional PPS filtrate made from present invention process has high activity Yu low loss, have towards
Industrialize the ability in market.
Example two:
(1) impregnation technology: will be with rotational frequency by pressing roller by the PPS filtrate (semi-finished product) before original heat setting process
1.5 r/min are by active component Mn, Ce, W, Mo quaternary system catalytic active component salting liquid pond, concentration 0.05kg/L, directly
To the abundant adsorbing metal cation of PPS filter material surface；
(2) the PPS filtrate after the completion of impregnation technology a primary drying technique: is passed through into original thermal finalization that idler wheel is delivered to 80 DEG C
Filtrate drying and dehydrating, drying time 2h are realized in thermal finalization furnace in technique；
(3) the PPS filtrate after primary drying oxidative deamination process: is conveyed into the permanganic acid that initial concentration is 45% by idler wheel
In potassium solution pond, liquor potassic permanganate pH value is adjusted to 5.5 with dust technology, filter material surface absorption is aoxidized under 85 DEG C of constant temperatures
Active metallic ion；
(4) redrying technique: the PPS filtrate after potassium permanganate oxidation is sent into same thermal finalization furnace and carries out secondary do
It is dry, drying time 1-2h；
(5) it sprays cleaning process: the PPS filtrate after redrying is sent into circulated sprinkling tower, shower water rinses surface Gao Meng
Sour potassium, spray rate is about 4.5L/min, rated pressure 0.12MPa, until observing that flushing water is transparent；
(6) drying process three times: will be sent into same thermal finalization furnace by the PPS filtrate after spray cleaning and be dried three times,
Drying time 1-2h；
(7) overlay film technology of the package: being the industry for completing complex function PPS filter bag after carrying out overlay film and packing device processing to finished product
Production.
The multi-functional PPS filter bag finished product of internal diameter 12.5cm made from technique, long 55cm through the invention weighs to obtain PPS filter
Bag surface active composition duty factor is 0.936, in ventilation quantity 30m3The fire coal circulating fluid bed pulsed jet cloth filter item of the 6KW of/h
Under part, efficiency of dust collection, denitration efficiency, mercury oxidation efficiency by measuring obtained complex function PPS filter bag are respectively reached
99%, 86.5% and 95.7%, it also passes through persistently to test under the effect of air pulse purging and measures cloth bag missing-pulse factor after 4h and be only
0.62%。
Example three:
(1) impregnation technology: will be with rotational frequency by pressing roller by the PPS filtrate (semi-finished product) before original heat setting process
1.0 r/min are put into active component Mn, Ce, W, Mo quaternary system catalytic active component salting liquid pond, concentration 0.024kg/L,
Until the abundant adsorbing metal cation of PPS filter material surface；
(2) the PPS filtrate after the completion of step (1) primary drying technique: is passed through into original thermal finalization work that idler wheel is delivered to 80 DEG C
Filtrate drying and dehydrating, drying time 2h are realized in thermal finalization furnace in skill；
(3) it is molten that the PPS filtrate after primary drying by idler wheel oxidative deamination process: is conveyed into 35% potassium permanganate of initial concentration
In liquid pool, liquor potassic permanganate pH value is adjusted to 5.5 with dust technology, the work of filter material surface absorption is aoxidized under 75 DEG C of constant temperatures
Property metal ion；
(4) redrying technique: the PPS filtrate after potassium permanganate oxidation is sent into same thermal finalization furnace and carries out secondary do
It is dry, drying time 2h；
(5) it sprays cleaning process: the PPS filtrate after redrying is sent into circulated sprinkling tower, shower water rinses surface Gao Meng
Sour potassium, spray rate is about 4.5L/min, rated pressure 0.12MPa, until observing that flushing water is transparent；
(6) drying process three times: will be sent into same thermal finalization furnace by the PPS filtrate after spray cleaning and be dried three times,
Drying time 2h；
(7) overlay film technology of the package: being the industry for completing complex function PPS filter bag after carrying out overlay film and packing device processing to finished product
Production.
The multi-functional PPS filter bag finished product of internal diameter 12.5cm made from technique, long 55cm through the invention weighs to obtain PPS filter
Bag surface active composition duty factor is 0.87, in ventilation quantity 30m3The fire coal circulating fluid bed pulsed jet cloth filter item of the 6KW of/h
Under part, efficiency of dust collection, denitration efficiency, mercury oxidation efficiency by measuring obtained complex function PPS filter bag are respectively reached
99%, 81.6% and 90.7%, it also passes through persistently to test under the effect of air pulse purging and measures cloth bag missing-pulse factor after 4h and be only
0.54%。
Claims (7)
1. a kind of method for producing multi-functional PPS filter bag using existing equipment, which is characterized in that the technique comprises the steps of:
A, impregnation technology: will be fast with certain conveying by pressing roller by the semi-finished product PPS filtrate before traditional heat setting process
Rate passes through the catalytic active component salting liquid pond of high concentration, until half is cationic at the abundant adsorbing metal of PPS filter material surface；
B, primary drying technique: the PPS filtrate after the completion of impregnation technology a is delivered in former traditional heat setting process by idler wheel
Thermal finalization furnace in realize filtrate drying and dehydrating, drying time 1-2h；
C, the PPS filtrate after primary drying oxidative deamination process: is conveyed into 35%-60% liquor potassic permanganate pond by idler wheel
In, the active metallic ion of filter material surface absorption, oxidation residence time 0.5-1.5h are aoxidized under constant temperature conditions；
D, redrying technique: the PPS filtrate after potassium permanganate oxidation is sent into same thermal finalization furnace and carries out secondary do
It is dry, drying time 1-2h；
E, it sprays cleaning process: circulated sprinkling tower being sent into the PPS filtrate after redrying, shower water rinses surface permanganic acid
Potassium, until observing that flushing water is transparent；
F, drying process three times: it will be sent into same thermal finalization furnace by the PPS filtrate after spray cleaning and be dried three times, be done
Dry time 1-2h；
G, overlay film technology of the package: by the multi-functional PPS filtrate of in-situ process a-f, pass through the overlay film and packaging in traditional handicraft
The industrial production of complex function PPS filter bag is completed after device processing.
2. a kind of method for producing multi-functional PPS filter bag using existing equipment according to claim 1, it is characterised in that:
In step a, PPS filtrate conveying speed is adjusted by pressing roller rotational frequency, and rotational frequency is 0.5-3.5 r/min.
3. a kind of method for producing multi-functional PPS filter bag using existing equipment according to claim 1, it is characterised in that:
In step a, the ingredient of catalyst activity component is that Mn, Ce, W, Mo, Cu be one such or several blending constituents, active component
Salting liquid is nitrate or chlorate, configuration concentration 0.02-0.1kg/L.
4. a kind of method for producing multi-functional PPS filter bag using existing equipment according to claim 1, it is characterised in that:
In step b, thermal finalization furnace entirety furnace temperature is set as 80-100 DEG C of constant temperature.
5. a kind of method for producing multi-functional PPS filter bag using existing equipment according to claim 1, it is characterised in that:
In step c, concentration of polymer solution is 30%-60% in liquor potassic permanganate pond.
6. a kind of method for producing multi-functional PPS filter bag using existing equipment according to claim 1, it is characterised in that:
In step c, in-situ oxidation reaction condition is that liquor potassic permanganate is in subacidity and suitable reactions temperature, wherein being adjusted with dust technology
Liquor potassic permanganate pH value is realized whole pond temperature control system and is stablized in 75-85 to 5-6 to install heating device and attemperator
℃。
7. a kind of method for producing multi-functional PPS filter bag using existing equipment according to claim 1, it is characterised in that:
In step e, circulated sprinkling tower uses circulated sprinkling, and spray rate is about 4-5L/min, and rated pressure 0.12MPa passes through tower wall
Visual glass windows mouth observation spray column exit shower water color, spray column using continuously changing water conservancy project operation mode, control into
Flowing water Valve aperture realizes the replacement of shower water, guarantees the spray cleaning effect of PPS filtrate, wherein the shower water under replacing is used for
Liquor potassic permanganate in configuration step c.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811065429.3A CN109091968A (en) | 2018-09-13 | 2018-09-13 | A method of multi-functional PPS filter bag is produced using existing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811065429.3A CN109091968A (en) | 2018-09-13 | 2018-09-13 | A method of multi-functional PPS filter bag is produced using existing equipment |
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| CN109091968A true CN109091968A (en) | 2018-12-28 |
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2018
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Application publication date: 20181228 |