CN102019133A - Environment-friendly treatment method and device for odor - Google Patents
Environment-friendly treatment method and device for odor Download PDFInfo
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- CN102019133A CN102019133A CN 201010526541 CN201010526541A CN102019133A CN 102019133 A CN102019133 A CN 102019133A CN 201010526541 CN201010526541 CN 201010526541 CN 201010526541 A CN201010526541 A CN 201010526541A CN 102019133 A CN102019133 A CN 102019133A
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Abstract
The invention discloses an environment-friendly treatment method and an environment-friendly treatment device for odor. In a device special for collecting, washing, storing and combusting the odor, which consists of a combustor, a flame arrester, a gasholder, a washer, a collecting tank, a valve and a heavy-dirt condensed water pump, a gas-water mixture discharged by a vacuum pump of an evaporate station in a pulp mill is collected in the collecting tank and is separated in the collecting tank, liquid is discharged by the heavy-dirt condensed water pump, and the odor is introduced into the odor washer; and the odor is washed with spray water in the odor washer and is introduced into the odor gasholder for storage, the odor in the gasholder is introduced into the odor combustor for combustion, the spray water of the odor washer enters the collecting tank and is discharged by the heavy-dirt condensed water pump, and the spray water is mixed with heavy-dirt condensed water in the evaporate station to enter a sewage treatment system.
Description
Technical field
The present invention relates to a kind of method of foul smell environmental protection treatment, especially relate to the odor treatment method of a kind of sulfate pulping evaporate station; The invention still further relates to a kind for the treatment of apparatus of foul smell, especially relate to the device that a kind of sulfate pulping foul smell is handled.
Background technology
The emission point of sulfate pulping odor pollution material mainly is digester, spraying pot, washing device, black liquor vaporizing system, alkali recovery furnace etc.Each emission point produces the odor concentration difference, and foul smell is divided into high concentration foul smell and low concentration foul smell, and the high concentration foul smell derives from alkali recovery furnace and limekiln, belongs to emission source in a organized way.The low concentration foul smell is mainly derived from the little venting of boiling, spurt venting, black liquid extraction and wash that sieve, evaporate station foul condensate gas are carried, each black liquor groove etc., belong to uncontrollable discharge.Outside the foul smell deacration, also contain multiple harmfulness gas, the main component of harmfulness gas is hydrogen sulfide, methyl mercaptan, methyl sulfide, dimethyl disulfide etc.
In the foul smell course of conveying, high concentration is not coagulated foul smell and is easily blasted.Mainly be because high dense foul smell entrained air makes the NCG(on-condensible gas) be in and cause within the explosive range.Be to whenever distributing source installing gathering system to the foul smell harmless treatment than successful method at present, and the source of distributing coupled together, the foul gas of collecting is delivered to boiler, limekiln or alkali recovery furnace internal combustion to be decomposed, there is system complex, invest higher, the defective that the operation maintenance specification requirement is high, general middle-size and small-size slurrying enterprise is difficult to carry out.Also have in ad hoc burner and burn, advantage is to separate with other equipment of operation, eliminates the complexity of burning foul smell in the production equipment of factory.Its shortcoming is to need auxiliary fuel combustion-supporting in the running, and operating cost more greatly, also must set up SO
2Washer increases investment and operating cost.
54～56 pages of " Chinese papermaking " 2010 2 phases, delivered " transformation of the high dense foul smell combustion system of pulping and paper-making " literary composition, introduced a kind of foul smell burning treatment system: the high dense foul smell that boiling and evaporation produce is in process of production collected the back through public water sealed tank and is aspirated with steam jet ejector, send into the foul smell liquid drop separator then, with the condensed moisture of foul smell from, by the blast of explosion-proof apparatus prevention foul smell, deliver to the flame catcher again, the effect of flame catcher is to avoid foul smell tempering to take place and cause the equipment explosion accident when burning, and foul smell is sprayed onto the alkali recovery furnace burning through main burner and handles.When alkali recovery furnace broke down, by automatic control system, foul smell will be automaticallyed switch, and delivered to standby burner-mix flare burner through another set of foul smell liquid drop separator, explosion-proof apparatus, flame catcher and burned, and can not fly away in the air to guarantee foul smell.Mix flare burner burns with the combustion-supporting foul smell that carries out of light oil.The heavy foul condensate that comes out from two foul smell liquid drop separators and mix flare burner, deliver to heavy sump with heavy sewage pump, enter original heavy sewage stripping treatment system, clean and dirt water circulating and recovering behind the stripping is in paper technology, on-condensible gas enters high dense foul smell collection processing system implementing, and the methyl alcohol that stripping comes out send the limekiln burning.There is system complex in this foul smell burning processing scheme, invest greatlyyer, and mix flare burner is in operation, and to need to add auxiliary fuel combustion-supporting, and employing mix flare burner blower fan, consumes energy, operating cost height.
Summary of the invention
In order to overcome the defective of prior art, technical problem to be solved by this invention is that a kind of environment-friendly treatment method and isolated plant thereof of sulfate pulping foul smell is provided.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of foul smell environment-friendly treatment method may further comprise the steps:
Its characteristics are: the shower water operating pressure is 0.2～0.4Mpa in the foul smell washer, foul smell pressure store in the foul smell air accumulator is 0.1～0.21Mpa, foul smell washer shower water enters feeder and discharges through heavy foul condensate pump, merges with the heavy foul condensate of evaporate station to enter weight foul condensate treatment system.
A kind of isolated plant of realizing the described foul smell environment-friendly treatment method of claim 1, this device is made up of burner, spark arrester, air accumulator, washer, feeder, valve and heavy foul condensate pump.Described burner is a mix flare burner, is provided with foul smell air inlet and liquefied gas air inlet, on the combustor air inlet pipeline spark arrester is housed; Described air accumulator top is provided with the gas outlet, and top is provided with air inlet, and described air accumulator gas outlet links to each other by pipeline with burner foul smell air inlet, and described air accumulator bottom is provided with leakage fluid dram, and described leakage fluid dram links to each other with the gas-collection vessel inlet by pipeline; Described washer top is provided with the gas outlet, one side is provided with air inlet, the washer bottom is provided with liquid outlet, shower water spray washing device is installed in the washer upper cavity, described air inlet is positioned at the below of shower water spray washing device, gas outlet, described washer top links to each other with air accumulator top air inlet by pipeline, and described washer bottom liquid outlet links to each other with the gas-collection vessel inlet by pipeline; Described gas-collection vessel top is provided with the gas outlet, the top of one side is provided with the air-water mixture import, one side of bottom is provided with inlet, opposite side is provided with liquid outlet, described gas-collection vessel gas outlet links to each other with the washer air inlet by pipeline, and described gas-collection vessel liquid outlet links to each other with heavy foul condensate pump by pipeline.
To one of improvement project of the isolated plant of foul smell environment-friendly treatment method: described air accumulator top also is provided with rupture disk, and the rupture disk pressure release pressure that breaks is set on the 0.22MPa.
To two of the improvement project of the isolated plant of foul smell environment-friendly treatment method: on the air communicating pipe road of washer and gas-collection vessel, valve is installed also.
To three of the improvement project of the isolated plant of foul smell environment-friendly treatment method: on the fluid connection pipeline of air accumulator and washer and gas-collection vessel, valve is installed also.
Above improvement project can be implemented alone or in combination.
The invention has the beneficial effects as follows: its simple and ingenious structure, make full use of the energy that air-water mixture had that the evaporate station vavuum pump is discharged, make foul smell form certain pressure, saved the energy at isolated plant, adopt suitable processing step and process conditions, make system features in convenient, operational effect is better, the security performance height, in the foul smell ignition process, use the auxiliary fuel, in normal operation, can not need auxiliary fuel, save the energy.
Description of drawings
Fig. 1 is the method flow and the apparatus structure schematic diagram of foul smell environmental protection treatment of the present invention.
Wherein: 1 is valve, the 9 foul condensate pump of attaching most importance to for feeder, 7 and 8 for washer, 6 for rupture disk, 5 for air accumulator, 4 for spark arrester, 3 for burner, 2.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.
The present invention proposes a kind of isolated plant of realizing the foul smell environment-friendly treatment method: this device by burner 1, spark arrester 2, air accumulator 3, rupture disk 4, washer 5, feeder 6, valve 7 and 8 and heavy foul condensate pump 9 form, it is characterized in that: described burner 1 is mix flare burner, be provided with foul smell air inlet and liquefied gas air inlet, on burner 1 admission line, spark arrester 2 be housed; Described air accumulator 3 tops are provided with gas outlet and rupture disk, the rupture disk pressure release pressure that breaks preferably is set to 0.22MPa, described air accumulator 3 tops are provided with air inlet, described air accumulator 3 gas outlets link to each other by pipeline with burner 1 foul smell air inlet, described air accumulator 3 bottoms are provided with leakage fluid dram, and described leakage fluid dram links to each other with gas-collection vessel 6 inlets by pipeline; Described washer 5 tops are provided with the gas outlet, one side is provided with air inlet, washer 5 bottoms are provided with liquid outlet, shower water spray washing device is installed in washer 5 upper cavity, described air inlet is positioned at the below of shower water spray washing device, gas outlet, described washer 5 top links to each other with air accumulator top air inlet by pipeline, and described washer 5 bottom liquid outlets link to each other with gas-collection vessel 6 inlets by pipeline; Described gas-collection vessel 6 tops are provided with the gas outlet, the top of one side is provided with the air-water mixture import, one side of bottom is provided with inlet, opposite side is provided with liquid outlet, described gas-collection vessel 6 gas outlets link to each other with washer 5 air inlets by pipeline, valve preferably is installed on its connecting pipe, and described gas-collection vessel 6 liquid outlets link to each other with heavy foul condensate pump 9 by pipeline, on the fluid connection pipeline of air accumulator and washer and gas-collection vessel valve are installed also.
The operation principle of the isolated plant of foul smell environment-friendly treatment method: the air-water mixture that has foul smell that the evaporate station vavuum pump is discharged enters foul smell feeder 6, foul smell after the collection enters foul smell washer 5 usefulness clear water and washs, water after the washing has part turpentine wet goods and enters feeder and be pumped to the foul condensate treatment system by heavy foul condensate again, foul smell after the washing enters foul smell air accumulator 3, and foul smell is through entering 1 burning of foul smell burner by spark arrester 2 after the voltage stabilizing; When starting burner 1, open liquefied gas earlier to the burning torch air feed, then after burner 1 sends ignition signal, burner 1 produces electric spark and lights liquefied gas, the foul smell that will come from air accumulator 3 again after liquefied gas is lighted is lighted, close LPG valve when selecting according to temperature rising situation, cut off the supply of auxiliary fuel, the foul smell combustion system enters duty.Have a slice burst disk 4 on the foul smell air accumulator 3, when pressure surpassed 0.22MPa, the pressure release of can breaking automatically of the rupture disk above the air accumulator can further guarantee system equipment and life safety, and foul smell air accumulator 3 is equipped with spark arrester 2 to burner 1 pipeline.Its effect be when foul smell not enough or artificial stop the foul smell burning time, burner can produce tempering phenomenon, when burning to spark arrester 2, flame is prevented from extinguishing, when the moment in spark arrester 2 places fray-out of flame has bigger air-flow and gets back to air accumulator 3.
The present invention also provides a kind of method of foul smell environmental protection treatment: may further comprise the steps:
Embodiment 1:
The air-water mixture of evaporate station of sulfate process chemical pulping factory vavuum pump discharging is collected feeder 6, air-water mixture separates in feeder 6, liquid is discharged through heavy foul condensate pump, foul smell is sent into foul smell washer 5, foul smell is sent in the foul smell air accumulator 3 after pressure is the shower water washing of 0.2Mpa in foul smell washer 5 and stores, foul smell washer shower water enters feeder and discharges through heavy foul condensate pump 9, merging with the heavy foul condensate of evaporate station and to enter sewage disposal system, is that the foul smell of 0.1Mpa is sent to 1 burning of foul smell burner with air accumulator 3 internal pressures.
Embodiment 2:
The air-water mixture of evaporate station of sulfate process chemical pulping factory vavuum pump discharging is collected feeder 6, air-water mixture separates in feeder 6, liquid is discharged through heavy foul condensate pump, foul smell is sent into foul smell washer 5, foul smell is sent in the foul smell air accumulator 3 after pressure is the shower water washing of 0.4Mpa in foul smell washer 5 and stores, foul smell washer shower water enters feeder and discharges through heavy foul condensate pump 9, merging with the heavy foul condensate of evaporate station and to enter sewage disposal system, is that the foul smell of 0.21Mpa is sent to 1 burning of foul smell burner with air accumulator 3 internal pressures.
Embodiment 3:
The air-water mixture of evaporate station of sulfate process chemical pulping factory vavuum pump discharging is collected feeder 6, air-water mixture separates in feeder 6, liquid is discharged through heavy foul condensate pump, foul smell is sent into foul smell washer 5, foul smell is sent in the foul smell air accumulator 3 after pressure is the shower water washing of 0.3Mpa in foul smell washer 5 and stores, foul smell washer shower water enters feeder and discharges through heavy foul condensate pump 9, merging with the heavy foul condensate of evaporate station and to enter sewage disposal system, is that the foul smell of 0.15Mpa is sent to 1 burning of foul smell burner with air accumulator 3 internal pressures.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.To one skilled in the art, do not breaking away under the technical solution of the present invention scope situation, utilizing the content of above-mentioned announcement that technical solution of the present invention is made many possible changes and modification, all belonging to the protection domain of claim.
Claims (5)
1. foul smell environment-friendly treatment method may further comprise the steps:
Step 1, the air-water mixture of evaporate station of sulfate process chemical pulping factory vavuum pump discharging is collected feeder, air-water mixture separates in feeder, and liquid is discharged through heavy foul condensate pump, and foul smell is sent into the foul smell washer;
Step 2, foul smell are sent in the foul smell air accumulator after the shower water washing in the foul smell washer and store;
Step 3, the foul smell in the air accumulator is sent to the foul smell burner combustion,
It is characterized in that: the shower water operating pressure is 0.2～0.4Mpa in the foul smell washer, foul smell pressure store in the foul smell air accumulator is 0.1～0.21Mpa, foul smell washer shower water enters feeder and discharges through heavy foul condensate pump, enters the foul condensate treatment system with the heavy foul condensate merging of evaporate station.
2. isolated plant of realizing the described foul smell environment-friendly treatment method of claim 1, this device is made up of burner, spark arrester, air accumulator, washer, feeder, valve and heavy foul condensate pump, it is characterized in that: described burner is a mix flare burner, be provided with foul smell air inlet and liquefied gas air inlet, on the combustor air inlet pipeline, spark arrester be housed; Described air accumulator top is provided with the gas outlet, and top is provided with air inlet, and described air accumulator gas outlet links to each other by pipeline with burner foul smell air inlet, and described air accumulator bottom is provided with leakage fluid dram, and described leakage fluid dram links to each other with the gas-collection vessel inlet by pipeline; Described washer top is provided with the gas outlet, one side is provided with air inlet, the washer bottom is provided with liquid outlet, shower water spray washing device is installed in the washer upper cavity, described air inlet is positioned at the below of shower water spray washing device, gas outlet, described washer top links to each other with air accumulator top air inlet by pipeline, and described washer bottom liquid outlet links to each other with the gas-collection vessel inlet by pipeline; Described gas-collection vessel top is provided with the gas outlet, the top of one side is provided with the air-water mixture import, one side of bottom is provided with inlet, opposite side is provided with liquid outlet, described gas-collection vessel gas outlet links to each other with the washer air inlet by pipeline, and described gas-collection vessel liquid outlet links to each other with heavy foul condensate pump by pipeline.
3. the isolated plant of foul smell environment-friendly treatment method according to claim 2 is characterized in that: described air accumulator top also is provided with rupture disk, and the rupture disk pressure release pressure that breaks is set to 0.22MPa.
4. according to the isolated plant of claim 2 or 3 described foul smell environment-friendly treatment methods, it is characterized in that: on the air communicating pipe road of washer and gas-collection vessel, valve is installed also.
5. according to the isolated plant of claim 2 or 3 described foul smell environment-friendly treatment methods, it is characterized in that: on the fluid connection pipeline of air accumulator and washer and gas-collection vessel, valve is installed also.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010526541A CN102019133B (en) | 2010-11-01 | 2010-11-01 | Environment-friendly treatment method and device for odor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010526541A CN102019133B (en) | 2010-11-01 | 2010-11-01 | Environment-friendly treatment method and device for odor |
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| Publication Number | Publication Date |
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| CN102019133A true CN102019133A (en) | 2011-04-20 |
| CN102019133B CN102019133B (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010526541A Expired - Fee Related CN102019133B (en) | 2010-11-01 | 2010-11-01 | Environment-friendly treatment method and device for odor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178929A (en) * | 2016-07-11 | 2016-12-07 | 湖南屎壳郎环境科技有限公司 | A kind of livestock and poultry farm foul smell smoke gas treatment system and method |
| CN108488623A (en) * | 2018-03-14 | 2018-09-04 | 北京沃太斯环保科技发展有限公司 | A kind of desorption desorption Flash Gas Compression Skid System and method |
| CN113893652A (en) * | 2021-09-27 | 2022-01-07 | 四川永丰浆纸股份有限公司 | System and method for treating odor of spraying pot |
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| WO2002026358A1 (en) * | 2000-09-28 | 2002-04-04 | Kosta Kapitoures | Pollutant emission control |
| CN2581055Y (en) * | 2002-12-03 | 2003-10-22 | 江西省国燕橡胶有限公司 | Circulation absorption separator |
| CN201105201Y (en) * | 2006-12-28 | 2008-08-27 | 四川瑞松纸业有限公司 | Kraft pulping odor treatment device |
| CN201227576Y (en) * | 2007-11-26 | 2009-04-29 | 山东固德化工有限公司 | Waste-gas reutilization device in deep-processing production of coal tar |
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2010
- 2010-11-01 CN CN201010526541A patent/CN102019133B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002026358A1 (en) * | 2000-09-28 | 2002-04-04 | Kosta Kapitoures | Pollutant emission control |
| CN2581055Y (en) * | 2002-12-03 | 2003-10-22 | 江西省国燕橡胶有限公司 | Circulation absorption separator |
| CN201105201Y (en) * | 2006-12-28 | 2008-08-27 | 四川瑞松纸业有限公司 | Kraft pulping odor treatment device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178929A (en) * | 2016-07-11 | 2016-12-07 | 湖南屎壳郎环境科技有限公司 | A kind of livestock and poultry farm foul smell smoke gas treatment system and method |
| CN106178929B (en) * | 2016-07-11 | 2019-02-05 | 湖南屎壳郎环境科技有限公司 | A kind of livestock and poultry farm foul smell smoke gas treatment system and method |
| CN108488623A (en) * | 2018-03-14 | 2018-09-04 | 北京沃太斯环保科技发展有限公司 | A kind of desorption desorption Flash Gas Compression Skid System and method |
| CN113893652A (en) * | 2021-09-27 | 2022-01-07 | 四川永丰浆纸股份有限公司 | System and method for treating odor of spraying pot |
| CN113893652B (en) * | 2021-09-27 | 2024-01-19 | 四川永丰浆纸股份有限公司 | System and method for treating odor of spraying pot |
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| CN102019133B (en) | 2012-08-29 |
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Granted publication date: 20120829 Termination date: 20131101 |