CN102091492B - Method and device for processing waste gas of high-temperature setting machine - Google Patents
Method and device for processing waste gas of high-temperature setting machine Download PDFInfo
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- CN102091492B CN102091492B CN2010105791294A CN201010579129A CN102091492B CN 102091492 B CN102091492 B CN 102091492B CN 2010105791294 A CN2010105791294 A CN 2010105791294A CN 201010579129 A CN201010579129 A CN 201010579129A CN 102091492 B CN102091492 B CN 102091492B
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- 239000002912 waste gas Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 239000002245 particle Substances 0.000 claims abstract description 15
- 239000000779 smoke Substances 0.000 claims abstract description 14
- 239000002699 waste material Substances 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 5
- 239000002918 waste heat Substances 0.000 claims abstract description 5
- 230000005684 electric field Effects 0.000 claims description 57
- 239000007789 gas Substances 0.000 claims description 30
- 238000007493 shaping process Methods 0.000 claims description 14
- 238000005119 centrifugation Methods 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 9
- 230000005686 electrostatic field Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000003672 processing method Methods 0.000 claims description 5
- 210000004883 areola Anatomy 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000012387 aerosolization Methods 0.000 claims description 3
- 235000020535 bottled fortified water Nutrition 0.000 claims description 3
- 230000001413 cellular effect Effects 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 6
- 238000005507 spraying Methods 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract 2
- 239000002351 wastewater Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 22
- 235000019198 oils Nutrition 0.000 description 21
- 238000005516 engineering process Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 235000019476 oil-water mixture Nutrition 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
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Abstract
The invention discloses a method and a device for processing waste gas of a high-temperature setting machine. The method comprises the following steps of: performing dust-removal and oil-removal pretreatment and airflow equilibrium rectification in a mechanical centrifuging mode; cooling high-temperature waste water by indirect heat exchange to recover the afterheat in the waste gas; performing subsequent treatment on the cooled waste gas in a high-voltage static system; capturing the oil smoke particles in the waste gas; and collecting and recycling waste oil. In the invention, mechanical centrifuging, indirect water cooling and high-voltage static are combined together, so the shortcoming of secondary pollution of the water spraying process and the wet static process is overcome; the method and the device have the advantages of good purifying effect, large recycling amount of waste heat and waste oil and the like; and the internal structure of the device is designed to be a detachable modular structure, so the device is convenient to update and maintain and is suitable to be prompted and used in the field of waste gas treatment by the setting machine.
Description
Technical field
The present invention relates to a kind of exhaust-gas treatment field, especially relate to a kind of method and device thereof of administering high-temperature shaping machine waste gas.
Background technology
Forming machine is the key equipment of textile dyeing and finishing, and cloth temperature in the thermal finalization process is higher, produces the great amount of high-temperature oil flue waste gas.Oil flue waste gas comprises polluters such as dyestuff, color additive (containing wax, solvent, emulsifying agent, high polymer monomer), knitting oil, lubricating oil, fiber-like particle; Atmospheric environment has been caused bigger pollution; The healthy of operator also caused damage, and influence the living environment of surrounding resident.
At present, in forming machine waste gas pollution control and treatment field, domestic main employing water spraying technique, water spraying technique bring secondary pollution and waste oil, waste heat recovery rate low easily; The developed country such as the U.S. and the technology of Australia's many employings water spray (direct water-cooling) with the electrostatic method coupling.Promptly adopt direct water-cooling, static, water-oil separating GC-MS to administer forming machine waste gas.But, therefore also produce a large amount of oil-water mixtures because though this process using water curtain washing method shower water vaporization energy plays cooling effect, need to be equipped with special oil water separator.German then most technology that adopt the spiral vortex type washing methods to combine with electrostatic method promptly adopt rotating stream tray scrubber to spray and absorb as preliminary treatment, remove particle, and waste gas carries out Electrostatic Treatment more then, removes the oil smoke aerosol particle in the flue gas.But because wet electrostatic technology is transferred to aqueous phase to pollution factors such as useless cigarette, dust, used heat easily with the water spraying technique, form secondary pollution, so fail thorough contaminated solution problem.
Summary of the invention
Main purpose of the present invention is: to the characteristics of forming machine waste gas; Provide a kind of machinery is centrifugal, indirect water-cooling, high-pressure electrostatic organic integration in one; It is not enough to remedy water spraying technique and wet electrostatic method, thoroughly solves the method and the device thereof of the high-temperature shaping machine exhaust-gas treatment of secondary pollution.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals:
A kind of high-temperature shaping machine waste gas processing method
The main technique step is:
1), high-temp waste gas is through the mechanical centrifugal device of rotation at a high speed,
The separated device interception of a big chunk oil droplet in the waste gas and suspended particulate substance, thus be separated, and under action of centrifugal force, inject oil groove,
The aqueous vapor atomizer is housed in the centrifugal wheel, regulates the humidity of waste gas and than resistance,
The centrifugal wheel of aqueous vapor through rotating at a high speed is with fortified water aerosolization effect and with the balanced rectification of air-flow;
2), through the high-temp waste gas after mechanical centrifugal preliminary treatment and the rectification, in the entering cooling system, through the waste heat in the indirect heat exchange recovery waste gas;
3), cooled gas adopts the high-voltage electrostatic field oil removing that honeycomb electric field and line plate electric field combine and produce;
4), purified gas is through behind the flow guide system, discharge through induced draught system;
Becoming waste oil after smoke particle in the waste gas is captured recycles.
The technical scheme of the utility model can also be further perfect:
As preferably, the high-voltage electrostatic field gas temperature remains in 45 ℃～75 ℃ scopes.
As preferably, the voltage of high-pressure electrostatic is 1.2～1.3 ten thousand volts, and electric current is 4～7 milliamperes.
A kind of high-temperature shaping machine emission-control equipment
It is characterized in that by mechanical centrifugation systems; The outlet of machinery centrifugation systems links to each other with cooling system through flange one; The cooling system outlet links to each other with the high-pressure electrostatic system through flange two, and the high-pressure electrostatic system is divided into honeycomb electric field and line plate electric field, and the honeycomb electric field port of export links to each other with line plate electric field; The line plate electric field port of export links to each other with the gas flow guiding device of flow guide system, and flow guide system is terminal to connect induced draught system through connecting hose.
Technical scheme of the present invention can also be further perfect:
As preferably; The machinery centrifugation systems has two cylinders that link to each other with the motor that runs up, and said cylinder is formed with woven wire, and the barrel of cylinder respectively is provided with an aqueous vapor atomizer; Drum outlet is a horn-like gas rectification chamber, and gas rectification chamber end is equipped with a porous gas distribution grid.
As preferably, cooling system has housing, and the modules that many rows are made up of finned spiral heat exchange tube are housed in the housing, and module can be dismantled or add as required, and the back of module has cooling water intake and delivery port.
As preferably, the high-pressure electrostatic system comprises honeycomb electric field and line plate electric field, and each electric field is made up of some unit electric field; The body of cellular unit electric field is contained in honeycomb electric field inside, and the high pressure conductive plate is equipped with in the side, and honeycomb import department is provided with metal filter screen;
Import woven wire and outlet woven wire are equipped with in the import of the unit electric field that line plate electric field is inner and exit; The centre is a line plate unit electric field body; High pressure conductive plate and low pressure conductive contact are equipped with in the side of line plate unit electric field body, and the outlet metal filter screen is equipped with in the exit.
As preferably, flow guide system inside is provided with dividing plate, forms a plurality of areolas.
The invention has the beneficial effects as follows:
The characteristics that the present invention is directed to forming machine waste gas are centrifugal with machinery, indirect water-cooling, high-pressure electrostatic organic integration be in one; Owing to adopt indirect heat exchange; Overcome secondary pollution and the unserviceable technical barrier of used heat that other processing methods exist, and the high-pressure electrostatic method that is combined by honeycomb electric field and line plate electric field the clearance of oil smoke and the rate of recovery of waste oil in the waste gas have been improved.The internal structure design of each system of this device is dismountable modular construction all, is convenient to upgrading, maintenance.Prove that through practical experience adopt this method to handle forming machine waste gas, oil smoke and particle clearance are respectively 85%, 98%; The 750kg/ balcony of economizing on coal, the waste oil yield reaches the 200kg/ balcony, and few, the quality better of waste oil impurity that reclaims, and is the Perfected process of forming machine exhaust-gas treatment, is adapted at applying in the forming machine waste gas pollution control and treatment field.
Description of drawings
Accompanying drawing 1 is a kind of apparatus structure sketch map of the present invention.
Description of reference numerals: 1. mechanical centrifugation systems, 2. cooling system, 3. high-pressure electrostatic system, 4. flow guide system; 5. connecting hose, 6. induced draught system, 7. old name for the Arabian countries in the Middle East ground circle connecting hose, 8. aiutage; 9. honeycomb electric field, 10. line plate electric field, 11. flange plates, one, 12. flange plate two; 13. dividing plate, 14. areolas, 15. cylinders, 16. atomizers, gas rectification chambers 17., 18. gas distribution grids.
The specific embodiment
Embodiment:
High-temperature shaping machine waste gas processing method
The mechanical centrifugal device of high-temp waste gas through rotating at a high speed; The separated device interception of a big chunk oil droplet in the waste gas and suspended particulate substance, thus be separated, and under action of centrifugal force, inject oil groove; The aqueous vapor atomizer is housed in the centrifugal wheel; Regulate the humidity of waste gas and than resistance, aqueous vapor is through the centrifugal wheel of rotation at a high speed, with fortified water aerosolization effect and with the balanced rectification of air-flow;
Through the high-temp waste gas after mechanical centrifugal preliminary treatment and the rectification, get in the cooling system, reclaim the waste heat in the waste gas through indirect heat exchange;
The high-voltage electrostatic field oil removing that cooled gas adopts honeycomb electric field and line plate electric field to combine and produce;
The cooled gas honeycomb electric field of flowing through earlier, air-flow through behind the honeycomb again by balanced rectification, the relatively large smoke particle in the waste gas is caught by powerful honeycomb electric field power and is removed simultaneously; The less relatively smoke particle of diameter gets into follow-up line plate electric field;
Purified gas discharges through induced draught system through behind the flow guide system;
Becoming waste oil after smoke particle in the waste gas is captured recycles.
As shown in Figure 1, high-temperature shaping machine emission-control equipment of the present invention comprises mechanical centrifugation systems 1, cooling system 2, high-pressure electrostatic system 3, gas flow guiding 4 and induced draught system 6.
Have two cylinders 15 that woven wire is formed in the machinery centrifugation systems 1, the bucket wall respectively is provided with an aqueous vapor atomizer 16.There is a horn-like gas rectification chamber 17 in cylinder 15 exits, and its end is equipped with a porous gas distribution grid 18;
Many group refrigerating modules are housed in cooling system 2 housings, are formed by finned spiral heat exchange tube arrangement, the back is provided with cooling water inlet and coolant outlet;
Honeycomb electric field 9, the body of cellular unit electric field is contained in its inside, and the high pressure conductive plate is equipped with in the side, and honeycomb import department is provided with metal filter screen; Import woven wire and outlet woven wire are equipped with in the import of line plate electric field 10 its inner unit electric fields and exit, and the centre is a line plate unit electric field body, and high pressure conductive plate and low pressure conductive contact are equipped with in the side of line plate unit electric field body.
Flow guide system 4 inside form a plurality of areolas 14 by dividing plate 13, and flow guide system 4 is terminal to connect induced draught systems 6 through connecting hoses 5, and induced draught system 6 outlets communicate with vertically upward aiutage 8 through the connecting hose 7 of old name for the Arabian countries in the Middle East's ground circle.
During work, the waste gas that the high-temperature shaping machine is produced gets into mechanical centrifugation systems through conduit, and as preliminary treatment, it can and be separated a big chunk oil droplet in the waste gas and the separated device interception of suspended particulate substance, finally gets into oil groove.In the mechanical centrifugation systems aqueous vapor atomizer is housed also simultaneously, can reduces EGT, increase humidity, adjustments of gas compares resistance.Waste gas gets into cooler and cools after mechanical centrifugal treating.Cooling system adopts modular finned water-cooled heat exchange mode, has made full use of spiral fin coil heat exchange property efficiently, and its heat exchange efficiency is high, and flue gas resistance is little.Gas through after the cooling gets into the high-pressure electrostatic system handles again; The preceding road of high-pressure electrostatic adopts the form of honeycomb electric field to handle, and again by balanced rectification, the relatively large smoke particle in the waste gas is caught by powerful honeycomb electric field power and removed simultaneously behind the air-flow process honeycomb; And the less relatively smoke particle of diameter gets into follow-up line plate electric field; Through after the honeycomb rectification, air-flow can be evenly through having the line plate electric field of huge collection surface, so line plate electric field has very high capture rate to little smoke particle.Gas after the final purification is through behind the flow guide system, and through the induced draught system qualified discharge, processing finishes.
Claims (6)
1. a high-temperature shaping machine waste gas processing method is characterized in that
Processing step is:
1), high-temp waste gas is through the mechanical centrifugal device of rotation at a high speed,
The separated device interception of a big chunk oil droplet in the waste gas and suspended particulate substance, thus be separated, and under action of centrifugal force, inject oil groove,
The aqueous vapor atomizer is housed in the centrifugal wheel, regulates the humidity of waste gas and than resistance,
The centrifugal wheel of aqueous vapor through rotating at a high speed is with fortified water aerosolization effect and with the balanced rectification of air-flow;
2), through the high-temp waste gas after mechanical centrifugal preliminary treatment and the rectification, in the entering cooling system, through the waste heat in the indirect heat exchange recovery waste gas;
3), cooled gas adopts the high-voltage electrostatic field oil removing that honeycomb electric field combines with line plate electric field;
The cooled gas honeycomb electric field of flowing through earlier, air-flow through behind the honeycomb again by balanced rectification, the relatively large smoke particle in the waste gas is caught by powerful honeycomb electric field power and is removed simultaneously; The less relatively smoke particle of diameter gets into follow-up line plate electric field;
4), purified gas is through behind the flow guide system, discharge through induced draught system;
Becoming waste oil after smoke particle in the waste gas is captured recycles.
2. according to the said high-temperature shaping machine of claim 1 treatment of waste gas method, it is characterized in that the high-voltage electrostatic field gas temperature remains in 45 ℃～75 ℃ scopes.
3. according to claim 1 or 2 said high-temperature shaping machine waste gas processing methods, the voltage that it is characterized in that high-pressure electrostatic is 1.2～1.3 ten thousand volts, and electric current is 4～7 milliamperes.
4. high-temperature shaping machine emission-control equipment; It is characterized in that by mechanical centrifugation systems (1); The outlet of machinery centrifugation systems links to each other with cooling system (2) through flange one; The cooling system outlet links to each other with high-pressure electrostatic system (3) through flange two, and high-pressure electrostatic system (3) is divided into honeycomb electric field (9) and line plate electric field (10), and honeycomb electric field (9) port of export links to each other with line plate electric field (10); The line plate electric field port of export links to each other with the gas flow guiding device of flow guide system (4), and flow guide system (4) is terminal to connect induced draught system (6) through connecting hose (5); Machinery centrifugation systems (1) has two cylinders (15) that link to each other with the motor that runs up; Said cylinder is formed with woven wire; The barrel of cylinder respectively is provided with an aqueous vapor atomizer (16); Drum outlet is a horn-like gas rectification chamber (17), and gas rectification chamber end is equipped with a porous gas distribution grid (18); Cooling system has housing, and the module that many rows are made up of finned spiral heat exchange tube is housed in the housing, and the back of module has cooling water intake and delivery port.
5. high-temperature shaping machine emission-control equipment according to claim 4 is characterized in that
High-pressure electrostatic system (3) comprises honeycomb electric field (9) and line plate electric field (10), and each electric field is made up of some unit electric field; The body of cellular unit electric field is contained in honeycomb electric field (9) inside, and the high pressure conductive plate is equipped with in the side, and honeycomb import department is provided with metal filter screen;
Import woven wire and outlet woven wire are equipped with in the import of the unit electric field that line plate electric field (10) is inner and exit; The centre is a line plate unit electric field body; High pressure conductive plate and low pressure conductive contact are equipped with in the side of line plate unit electric field body, and the outlet metal filter screen is equipped with in the exit.
6. high-temperature shaping machine emission-control equipment according to claim 4 is characterized in that flow guide system (4) inside is provided with dividing plate (13), forms a plurality of areolas (14).
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| CN2010105791294A CN102091492B (en) | 2010-12-09 | 2010-12-09 | Method and device for processing waste gas of high-temperature setting machine |
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| CN2010105791294A CN102091492B (en) | 2010-12-09 | 2010-12-09 | Method and device for processing waste gas of high-temperature setting machine |
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| CN102091492A CN102091492A (en) | 2011-06-15 |
| CN102091492B true CN102091492B (en) | 2012-07-25 |
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| CN105698235B (en) * | 2016-03-15 | 2017-11-14 | 佛山市科蓝环保科技股份有限公司 | A kind of oil flue waste gas electrostatic deoiling method and system |
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| CN108786362B (en) * | 2018-09-19 | 2023-12-15 | 深圳市山水乐环保科技有限公司 | Device and method for treating oil smoke-containing gas |
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