CN103252338B - In-situ belueftung treatment device oriented to town refuse landfill - Google Patents
In-situ belueftung treatment device oriented to town refuse landfill Download PDFInfo
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Abstract
The invention provides an in-situ belueftung treatment device oriented to a town refuse landfill. The device comprises a plurality of gas supplying pipes and gas suction pipes, a compression pump for conveying gas and a sucking pump for sucking the gas out, wherein a gas treatment device is additionally arranged on a gas supplying device, so that the gas introduced into the refuse landfill can better propel aerobic microorganisms to move. The gas supplying pipes and the gas suction pipes used in the device are provided with anti-blocking structures, so that the possibility of blocking air holes is reduced. The whole set of the device is controlled by a central control unit and various types of monitoring devices are arranged, so that a working condition of the whole device can be monitored in real time.
Description
Technical field
The present invention relates to a kind for the treatment of apparatus of refuse landfill, particularly a kind of inside aeration treatment apparatus of townm refuse landfill yard.
Background technology
Be mainly underground impervious wall for traditional pollution control scheme of old landfill yard for a long time to close and the collection disposal etc. of landfill gas and percolate, the refuse landfill also had adopts the mode of resettlement.
Cut-pff wall is closed: around old landfill yard, and build cut-pff wall by methods such as cement grouts, the degree of depth reaches underground water barrier, is carried out the diffusion of isolated percolate, by " enclosing, envelope, stifled " by Environmental capacity in landfill yard.The shortcoming of this scheme is can only passive shutoff, thoroughly can not effectively solve leachate contamination problem.
Carry out collection to landfill gas and percolate respectively to dispose.Such as dig a well on landfill heap body, lay gas collection pipes, collect solid waste gas, burning or generating process; Leachate collection well is set, percolate extracting is derived, processes.These measures are for a lot of construction initial stage with regard to the old landfill yard without any anti pollution facilities, and the collection of landfill gas and percolate is a difficult problem, are therefore difficult to effectively realize effective collection truly and process.
Landfill yard resettlement is disposed this scheme and is also faced a lot of practical problems, such as how be still in the landfill yard in anaerobism intense reaction period to those inside and carry out excavation carrying work, moving a still unstabilized landfill yard in inside is an engineering project being difficult to realize.The process of resettlement may produce serious secondary pollution, and the expense of resettlement is huge.The rubbish of resettlement still will find new storing place, and the selection in place is also a very complicated engineering.
Above pollution control scheme all cannot effectively control or shorten the time of landfill yard Selfstabilizing, i.e. pollution time of landfill gas and percolate and pollution range.Need the common cooperation of several scheme to implement just can reach the object of regulation comprehensively, cause engineering proposal complicated thus, matching coordinative difficulty, disposes and expends the problems such as high, finally make landfill yard pollution control overlong time, Environmental capacity limited efficiency.Therefore for the difficult point that the renovation of old landfill yard is in environmental protection work always.
Therefore developed inside aeration (In-Situ Belueftung) technology of refuse landfill in recent years, and be exactly the anaerobic state changing landfill yard inside, transferred oxygen condition to.Like this, the inner original anaerobic organism reaction of landfill yard will be stopped, then starts aerobe reaction.The originally poisonous and harmful product that produces of anaerobic reaction, such as, biogas and percolate etc. also by the carbon dioxide that produces by aerobic reaction and water substitute.Air is blasted landfill yard inside by this disposing technique, by blasting the diffusion of gas in landfill yard inside, makes its inside transfer oxygen condition to.Utilize the feature that the biology aerobic reaction time is short simultaneously, reach the debirs stablizing landfill yard in a short time, and then stable landfill yard, control the generation of landfill gas and leachate contamination.Namely disclose a kind of by reaching the effect of rapid degradating solid refuse to solid refuse delivered inside air as Chinese patent 200510011155.6.But these technology all merely provide basic fundamental concept, and do not carry out refinement analysis for soot concrete condition, this situation makes these inner aeration process disclosed at present be difficult to carry out practical application.
Summary of the invention
On the basis of above-mentioned inner aeration process, through the research for many years of applicant, create one more rapidly and efficiently, overall economic efficiency is higher, is more suitable for the inside aeration treatment apparatus of the townm refuse landfill yard of practical application.Described in described treating apparatus is specific as follows:
Be arranged at multiple air supply pipes that Aerated Landfill Layers inside is inserted in refuse landfill, this air supply pipe is by the gas of compression pump to refuse landfill delivered inside, the tube wall of described air supply pipe arranges pore, pore is arranged from the depths of distance refuse landfill earth's surface 15-20cm, is set to the bottom of air supply pipe always.
Preferably, the sealed bottom of air supply pipe, is also provided with pore at the bottom of pipe.
Preferably, compression pump is connected with air feed processing unit (plant), and this air feed processing unit (plant) comprises aerosol generator, oxygen supply equipment, water injector.Solid APP 50-60 part, talcum powder 5-10 part that particle mean size is less than 3 microns is placed with in wherein said aerosol generator, these two kinds of raw materials mix in generator, obtained aerosol after blowing, obtained aerosol concentration is 1400-1600mg/L, after this aerosol mixes with gases at high pressure when needed by compression pump to rubbish inside air feed, the ratio that aerosol mixes with air inlet is 1: 3000-1: 5000.
Surrounding's layout exhaust tube of air supply pipe, exhaust tube is connected with aspiration pump and carries out high pressure and bleed, the position relationship of air supply pipe and exhaust tube can be linear interval, parallel interval or centered by air supply pipe around the one in arranging.
In addition, described inner aeration treatment apparatus also comprises monitoring and control appliance, and be provided with gas temperature sensor in air supply pipe and exhaust tube, gas humidity sensor, the gas temperature of described sensor measurement and humidity data are sent to air feed Gas controller; Be arranged at the inner detector of rubbish of refuse landfill inside, this detector comprises gas content analyzer, Temperature Humidity Sensor and pH meter, described gas content analyzer can by the gas composition analysis of institute monitoring point out, Temperature Humidity Sensor then can measure temperature and the water content of the rubbish of position, the pH value of rubbish then measured by pH meter, all data are sent to soot controller, above-mentioned monitoring point is all arranged on the mid-point position of certain air supply pipe and adjacent exhaust tube, and the degree of depth of monitoring point is at distance earth's surface below 30cm; Compression pump, aspiration pump and air feed processing unit (plant) are provided with magnetic valve, may be used for Long-distance Control.
Be provided with central controller, it is with air feed Gas controller, soot controller and be arranged at compression pump and be connected with the magnetic valve on aspiration pump, and central controller gathers operational analysis to the detection data from air feed Gas controller, soot controller and controls.
Set between various standard regions at central controller: the temperature 15-35 degree Celsius of rubbish, the water content 10%-30% of rubbish, the pH value 5-8 of rubbish, in solid waste gas, oxygen content is greater than 8%, carbon dioxide content 0.10%-0.45%, obtaining the temperature and humidity of rubbish, after the pH value data of rubbish then measured by pH meter, by it compared with the standard set, if exceed the scope of setting, then central controller can give the alarm, inform that the parameter of staff to Air Exposure adjusts, if be only rubbish moisture deficit, then central controller controls water delivery device, moisture is added in conveying gas, if the oxygen content being only rubbish is too low, then strengthens the pressure of compression pump and open apparatus of oxygen supply, to the inner aeration of rubbish.
In practice, for air supply pipe when air feed stops, for air intake duct when carrying out air-breathing, the pore on tube wall is easy to be blocked by the fine particle in Aerated Landfill Layers, thus causes air feed significantly to reduce with the efficiency of bleeding.Therefore preferably, the pore on air supply pipe and air intake duct tube wall is all taked identical for anti-blocking structure.The structure of described pore is as follows: tube wall adopts double-decker, inner wall layer is the good styrenic elastomer of elasticity, the polyester (PET) that outer wall layer is acid and alkali-resistance, hardness is high or Merlon (PC), inner wall layer thickness is 0.3-0.5mm, outer wall layer thickness is 0.2-1mm, inner wall layer and outer wall layer perforate respectively, laminated together by two by the method for thermoplastic afterwards.The pore that inner wall layer and outer wall layer are opened overlaps in position, but shape and size there are differences, and the pore of inner wall layer is periphery is zigzag circular port, and the pore of outer wall layer is the circular port that periphery is smooth; The hole diameter of inner wall layer is 1-3mm, the hole diameter of outer wall layer adds 0.5mm to determine according to inner wall layer hole diameter, the sawtooth of inner wall layer pore is regular sawtooth, the size shape of each sawtooth is identical, the length of sawtooth is determined according to 1/4th of inner wall layer hole diameter, and whole circular periphery sawtooth quantity is 10-20.
Utilize the inside aeration treatment apparatus towards townm refuse landfill yard provided by the present invention, can in such a way townm refuse landfill yard be processed:
(1) in the suitable location of refuse landfill, vertically bury the air supply pipe of densely covered pore on multiple tube wall underground, this air supply pipe is supplied to the gas of refuse landfill delivered inside by compression pump, gas to air supply pipe conveying is special processed gas, from apart from 15-20cm depths, earth's surface, air feed is until the bottom of Aerated Landfill Layers, and the supply gas pressure of compression pump is determined according to the landfill density in soot;
(2) layout exhaust tube around air supply pipe, exhaust tube is connected with aspiration pump and carries out high pressure and bleed, the speed of exhaust is determined according to the rule being greater than gassing rate 10% ~ 20%, the location arrangements of exhaust tube is for be arranged in around each air supply pipe equably, the gas extracted out enters gas processing device, again drains into air after carrying out harmless treatment to gas;
(3) in air supply pipe and exhaust tube, be provided with gas temperature sensor, gas humidity sensor, the gas temperature of described sensor measurement and humidity data are sent to air feed Gas controller;
(4) multiple monitoring point is set in refuse landfill, the inner detector in soot is set respectively, this detector comprises gas content analyzer, Temperature Humidity Sensor and pH meter, described gas content analyzer can by the gas composition analysis of institute monitoring point out, Temperature Humidity Sensor then can measure temperature and the water content of the rubbish of position, the pH value of rubbish then measured by pH meter, all data are sent to soot controller, above-mentioned monitoring point is all arranged on the mid-point position of certain air supply pipe and adjacent exhaust tube, and the degree of depth of monitoring point is at distance earth's surface below 30cm;
(5) monitoring point regularly arranged in step (4) samples to deep layer rubbish oxygen animalcule Activity determination of acting charitably of going forward side by side, and detection method adopts BacTiter-Glo
tMmicrobial cell activity test method, detects data input central controller;
(6) by central controller, operational analysis is gathered to the detection data from air feed Gas controller, soot controller, compare with the normal operating conditions value of setting, central controller sends signal according to operation result to gas machining control device, gas processing plant is instructed to carry out difference processing to air feed, central controller also sends signal according to operation result to compression pump and aspiration pump in addition, instruct air pump work, aerobic microbiological activity data is for reference as the response parameter of one section of refuse landfill in period ruuning situation.
In practice, the air hole structure of air supply pipe of the present invention and air intake duct can reduce the blocked situation of pore greatly, this is mainly because the inwall of wireway is comparatively smooth and have favorable elasticity, particle is comparatively difficult to be attached to air vent wall, the situation that the existence of axial sawtooth makes particle just be stuck in pore in addition occurs hardly, therefore can reach and reduce the blocked situation of pore.This improves the efficiency of whole inner Air Exposure technique on the one hand, also enables these pipes repeatedly reuse on the other hand, reduces cost during scale process.
In addition, by the inside aeration towards townm refuse landfill yard provided by the present invention (In-Situ Belueftung) treating apparatus, the treatment process significantly different from original process can be realized, first, gas to rubbish delivered inside has carried out regulation and control, by adding aerosol in conveying gas, reach and supplement the necessary nitrogen of growth of aerobic microorganisms and phosphorus to rubbish inside, though due to general containing comparatively sufficient nitrogenous source in municipal refuse, but microbially available phosphorus element comparatively lacks, therefore aerobic microbiological can be allowed to Aerated Landfill Layers inside to grow better by gas make-up P elements.In addition, for old refuse landfill, its Aerated Landfill Layers inside defines anaerobic environment, microbiota take anaerobe as absolute predominance population, therefore the link that the foundation of aerobic microbiological population advantage is the most consuming time often when using inner aeration system, after aerobic microbiological sets up population advantage and when entering exponential phase, microorganism aerobic metabolic rate in Aerated Landfill Layers just can reach desirable speed, by input in refuse landfill containing nitrogen, the gas of phosphorus, the oxygen needed for growth of aerobic microorganisms not only can be provided can also to provide nutrient needed for growth of aerobic microorganisms, thus make aerobic microbiological can become dominant population in microbiota quickly, this saves the time (follow-up have experimental data to confirm) that aeration system has started effect greatly, which reduce the overall time of refuse landfill being carried out to Air Exposure, improve treatment effeciency, reduce processing cost.
Secondly, technique provided by the invention specify that different aeration pressure for different garbage loading embeading density, this makes aeration more efficient, good aeration effect can be reached on the one hand, on the other hand can by Stress control in rationally enough scopes, avoid the aeration effect in order to reach to strengthen aeration pressure simply, reduce operating power consumption.And keeping effect of bleeding to be greater than air feed, this just can in Aerated Landfill Layers inner formation negative pressure, and the waste gas of rubbish inside can not be emitted in air, maintains the cleaning of soot air.
Finally, technique provided by the invention uses central controller to monitor real time data, make engineering staff can grasp effect and the progress of Air Exposure engineering in real time, and central controller automatically can regulate air supply system under some simple scenario, realize the adjustment to inputted gas, facilitate the manipulation to whole system.
Accompanying drawing explanation
Fig. 1 is the inner aeration situation of refuse landfill.Wherein, 1 is compression pump, and 2 is air feed processing unit (plant), and 3 is aspiration pump, and 4 is air supply pipe, and 5 is exhaust tube, and 6 is magnetic valve.
Detailed description of the invention
Embodiment 1
Trial zone, Nanjing refuse landfill, this refuse landfill, based on municipal refuse, is three grades of sanitary filling fields, landfill density 1.51kg/L, 10 years landfill time, landfill depth 5 meters, pilot region 20 × 20 meters, test period May-July.Control zone one piece is set.
Be arranged at multiple air supply pipes that Aerated Landfill Layers inside is inserted in refuse landfill in trial zone, the tube wall of described air supply pipe arranges pore, pore is arranged from the depths of distance refuse landfill earth's surface 15-20cm, is set to the bottom of air supply pipe always.
Preferably, compression pump is connected with air feed processing unit (plant), and this air feed processing unit (plant) comprises aerosol generator, oxygen supply equipment, water injector.Solid APP 50 parts, talcum powder 5 parts that particle mean size is less than 3 microns is placed with in wherein said aerosol generator, these two kinds of raw materials mix in generator, obtained aerosol after blowing, obtained aerosol concentration is 1500mg/L, after this aerosol mixes with gases at high pressure when needed by compression pump to rubbish inside air feed, the ratio that aerosol mixes with air inlet is 1: 4000.
Air supply pipe is arranged according to linear isometry interval, and the spacing of every root air supply pipe is 4 meters, and around arranging four equidistant air intake ducts, 2 meters, interval between air intake duct and air supply pipe centered by air supply pipe, air intake duct is arranged on the straight line that adjacent two air supply pipes are linked to be.
In addition, described inner aeration treatment apparatus also comprises monitoring and control appliance, and be provided with gas temperature sensor in air supply pipe and exhaust tube, gas humidity sensor, the gas temperature of described sensor measurement and humidity data are sent to air feed Gas controller; Be arranged at the inner detector of rubbish of refuse landfill inside, this detector comprises gas content analyzer, Temperature Humidity Sensor and pH meter, described gas content analyzer can by the gas composition analysis of institute monitoring point out, Temperature Humidity Sensor then can measure temperature and the water content of the rubbish of position, the pH value of rubbish then measured by pH meter, all data are sent to soot controller, above-mentioned monitoring point is all arranged on the mid-point position of certain air supply pipe and adjacent exhaust tube, and the degree of depth of monitoring point is at distance earth's surface below 30em; Compression pump, aspiration pump and air feed processing unit (plant) are provided with magnetic valve, may be used for Long-distance Control.
Be provided with central controller, it is with air feed Gas controller, soot controller and be arranged at compression pump and be connected with the magnetic valve on aspiration pump, and central controller gathers operational analysis to the detection data from air feed Gas controller, soot controller and controls.
Set between various standard regions at central controller: the temperature 15-35 degree Celsius of rubbish, the water content 10%-30% of rubbish, the pH value 5-8 of rubbish, in solid waste gas, oxygen content is greater than 8%, carbon dioxide content 0.10%-0.45%, obtaining the temperature and humidity of rubbish, after the pH value data of rubbish then measured by pH meter, by it compared with the standard set, if exceed the scope of setting, then central controller can give the alarm, inform that the parameter of staff to Air Exposure adjusts, if be only rubbish moisture deficit, then central controller controls water delivery device, moisture is added in conveying gas, if the oxygen content being only rubbish is too low, then strengthens the pressure of compression pump and open apparatus of oxygen supply, to the inner aeration of rubbish.
The tube wall of air supply pipe and air intake duct all adopts double-decker, inner wall layer is styrene/butadiene/styrene block polymer, outer wall layer is polybutylene terephthalate, inner wall layer thickness is 0.4mm, outer wall layer thickness is 0.8mm, inner wall layer and outer wall layer perforate respectively, laminated together by two by the method for thermoplastic afterwards.The pore that inner wall layer and outer wall layer are opened overlaps in position, but shape and size there are differences, and the pore of inner wall layer is periphery is zigzag circular port, and the pore of outer wall layer is the circular port that periphery is smooth; The hole diameter of inner wall layer is 2mm, the hole diameter 2.5mm of outer wall layer, and the sawtooth of inner wall layer pore is regular sawtooth, and the size shape of each sawtooth is identical, the length 0.5mm of sawtooth, and whole circular periphery sawtooth quantity is 14.
The supply gas pressure of compression pump is 6 atmospheric pressure; Exhaust tube is connected with aspiration pump and carries out high pressure and bleed, and the speed of exhaust is determined according to the rule being greater than gassing rate 10%; Refuse landfill internal monitoring point distance earth's surface 70cm, and regularly in these monitoring points, oxygen animalcule Activity determination of acting charitably of going forward side by side is sampled to deep layer rubbish; By central controller, operational analysis is gathered to the detection data from air feed Gas controller, soot controller, compare with the normal operating conditions value of setting, central controller sends signal according to operation result to gas machining control device, gas processing plant is instructed to carry out difference processing to air feed, central controller also sends signal according to operation result to compression pump and aspiration pump in addition, instruct air pump work, aerobic microbiological activity data is for reference as the response parameter of one section of refuse landfill in period ruuning situation.
Test period is 12 weeks altogether, and by the regular detection to aerobic microbiological activity, we find aerobic microbiological activity close to maximum from the 4th day, and obviously weakened aerobic microbiological activity after the 68th day, this illustrates that aerobic reaction terminates substantially.
Check experiment district is not except adding except aerosol in institute's supplied gas, other treatment process are completely constant, by the regular detection to aerobic microbiological activity, we find aerobic microbiological activity from the 10th day close to maximum, obviously weakened aerobic microbiological activity after the 80th day, this illustrates that aerobic reaction terminates substantially.
Embodiment 2
Trial zone, Changzhou refuse landfill, this refuse landfill, based on surrounding city rubbish, is simply and easy treat refuse landfill, landfill density 1.34kg/L, 8 years landfill time, landfill depth 3 meters, pilot region 20 × 20 meters, test period May-August.Control zone one piece is set.
Be arranged at multiple air supply pipes that Aerated Landfill Layers inside is inserted in refuse landfill in trial zone, the tube wall of described air supply pipe arranges pore, pore is arranged from the depths of distance refuse landfill earth's surface 15-20cm, is set to the bottom of air supply pipe always.
Preferably, compression pump is connected with air feed processing unit (plant), and this air feed processing unit (plant) comprises aerosol generator, oxygen supply equipment, water injector.Solid APP 50 parts, talcum powder 8 parts that particle mean size is less than 3 microns is placed with in wherein said aerosol generator, these two kinds of raw materials mix in generator, obtained aerosol after blowing, obtained aerosol concentration is 1400mg/L, after this aerosol mixes with gases at high pressure when needed by compression pump to rubbish inside air feed, the ratio that aerosol mixes with air inlet is 1: 4500.
Air supply pipe is arranged according to linear isometry interval, and the spacing of every root air supply pipe is 5 meters, air intake duct also linearly equi-spaced apart arrange, the spacing of every root air intake duct is 5 meters, and air intake duct is arranged on the straight line that adjacent two air supply pipes are linked to be.
In addition, described inner aeration treatment apparatus also comprises monitoring and control appliance, and be provided with gas temperature sensor in air supply pipe and exhaust tube, gas humidity sensor, the gas temperature of described sensor measurement and humidity data are sent to air feed Gas controller; Be arranged at the inner detector of rubbish of refuse landfill inside, this detector comprises gas content analyzer, Temperature Humidity Sensor and pH meter, described gas content analyzer can by the gas composition analysis of institute monitoring point out, Temperature Humidity Sensor then can measure temperature and the water content of the rubbish of position, the pH value of rubbish then measured by pH meter, all data are sent to soot controller, above-mentioned monitoring point is all arranged on the mid-point position of certain air supply pipe and adjacent exhaust tube, and the degree of depth of monitoring point is at distance earth's surface below 30cm; Compression pump, aspiration pump and air feed processing unit (plant) are provided with magnetic valve, may be used for Long-distance Control.
Be provided with central controller, it is with air feed Gas controller, soot controller and be arranged at compression pump and be connected with the magnetic valve on aspiration pump, and central controller gathers operational analysis to the detection data from air feed Gas controller, soot controller and controls.
Set between various standard regions at central controller: the temperature 15-35 degree Celsius of rubbish, the water content 10%-30% of rubbish, the pH value 5-8 of rubbish, in solid waste gas, oxygen content is greater than 8%, carbon dioxide content 0.10%-0.45%, obtaining the temperature and humidity of rubbish, after the pH value data of rubbish then measured by pH meter, by it compared with the standard set, if exceed the scope of setting, then central controller can give the alarm, inform that the parameter of staff to Air Exposure adjusts, if be only rubbish moisture deficit, then central controller controls water delivery device, moisture is added in conveying gas, if the oxygen content being only rubbish is too low, then strengthens the pressure of compression pump and open apparatus of oxygen supply, to the inner aeration of rubbish.
The tube wall of air supply pipe and air intake duct all adopts double-decker, and inner wall layer is polyurethanes, and outer wall layer is Merlon, inner wall layer thickness is 0.3mm, outer wall layer thickness is 0.9mm, inner wall layer and outer wall layer perforate respectively, laminated together by two by the method for thermoplastic afterwards.The pore that inner wall layer and outer wall layer are opened overlaps in position, but shape and size there are differences, and the pore of inner wall layer is periphery is zigzag circular port, and the pore of outer wall layer is the circular port that periphery is smooth; The hole diameter of inner wall layer is 2mm, the hole diameter 2.5mm of outer wall layer, and the sawtooth of inner wall layer pore is regular sawtooth, and the size shape of each sawtooth is identical, the length 0.5mm of sawtooth, and whole circular periphery sawtooth quantity is 14.
The supply gas pressure of compression pump is 5 atmospheric pressure; Exhaust tube is connected with aspiration pump and carries out high pressure and bleed, and the speed of exhaust is determined according to the rule being greater than gassing rate 20%; Refuse landfill internal monitoring point distance earth's surface 50cm, and regularly in these monitoring points, oxygen animalcule Activity determination of acting charitably of going forward side by side is sampled to deep layer rubbish; By central controller, operational analysis is gathered to the detection data from air feed Gas controller, soot controller, compare with the normal operating conditions value of setting, central controller sends signal according to operation result to gas machining control device, gas processing plant is instructed to carry out difference processing to air feed, central controller also sends signal according to operation result to compression pump and aspiration pump in addition, instruct air pump work, aerobic microbiological activity data is for reference as the response parameter of one section of refuse landfill in period ruuning situation.
Test period is 16 weeks altogether, and by the regular detection to aerobic microbiological activity, we find aerobic microbiological activity close to maximum from the 8th day, and obviously weakened aerobic microbiological activity after the 84th day, this illustrates that aerobic reaction terminates substantially.
Those skilled in the art can make replacement or modification according to content disclosed by the invention and the art technology grasped to content of the present invention; but these replacements or modification should not be considered as disengaging the present invention design, and these replacements or modification are all in the interest field of application claims protection.
Claims (7)
1., towards an inside aeration treatment apparatus for townm refuse landfill yard, it is characterized in that this device comprises:
Be arranged at multiple air supply pipes that Aerated Landfill Layers inside is inserted in refuse landfill, this air supply pipe by compression pump to refuse landfill delivered inside gas, the tube wall of described air supply pipe arranges pore, pore is arranged from the depths of distance refuse landfill earth's surface 15-20cm, is set to the bottom of air supply pipe always;
Surrounding's layout exhaust tube of air supply pipe, exhaust tube is connected with aspiration pump and carries out high pressure and bleed, the position relationship of air supply pipe and exhaust tube is linear interval, parallel interval or centered by air supply pipe around the one in arranging; In addition, described inner aeration treatment apparatus also comprises monitoring and control appliance, and be provided with gas temperature sensor in air supply pipe and exhaust tube, gas humidity sensor, the gas temperature of described sensor measurement and humidity data are sent to air feed Gas controller; Be arranged at the inner detector of rubbish of refuse landfill inside, this detector comprises gas content analyzer, Temperature Humidity Sensor and pH meter, described gas content analyzer can by the gas composition analysis of institute monitoring point out, Temperature Humidity Sensor then measures temperature and the water content of the rubbish of position, the pH value of rubbish then measured by pH meter, all data are sent to soot controller, above-mentioned monitoring point is all arranged on the mid-point position of certain air supply pipe and adjacent exhaust tube, and the degree of depth of monitoring point is at distance earth's surface below 30cm; Compression pump, aspiration pump and air feed processing unit (plant) are provided with magnetic valve, for Long-distance Control; Be provided with central controller, it is with air feed Gas controller, soot controller and be arranged at compression pump and be connected with the magnetic valve on aspiration pump, and central controller gathers operational analysis to the detection data from air feed Gas controller, soot controller and controls.
2., as claimed in claim 1 towards the inside aeration treatment apparatus of townm refuse landfill yard, it is characterized in that: the sealed bottom of air supply pipe, is also provided with pore at the bottom of pipe.
3., as claimed in claim 1 towards the inside aeration treatment apparatus of townm refuse landfill yard, it is characterized in that: compression pump is connected with air feed processing unit (plant), this air feed processing unit (plant) comprises aerosol generator, oxygen supply equipment and water injector.
4. as claimed in claim 3 towards the inside aeration treatment apparatus of townm refuse landfill yard, it is characterized in that: in wherein said aerosol generator, be placed with solid APP 50-60 part that particle mean size is less than 3 microns, talcum powder 5-10 part, these two kinds of raw materials mix in generator, obtained aerosol after blowing, obtained aerosol concentration is 1400-1600mg/L, after this aerosol mixes with gases at high pressure when needed by compression pump to rubbish inside air feed, the ratio that aerosol mixes with air inlet is 1: 3000-1: 5000.
5. as claim 1, arbitrary described inside aeration treatment apparatus towards townm refuse landfill yard in 3 or 4, it is characterized in that: set between various standard regions at central controller: the temperature 15-35 degree Celsius of rubbish, the water content 10%-30% of rubbish, the pH value 5-8 of rubbish, in solid waste gas, oxygen content is greater than 8%, carbon dioxide content 0.10%-0.45%, obtaining the temperature and humidity of rubbish, after the pH value data of rubbish then measured by pH meter, by it compared with the standard set, if exceed the scope of setting, then central controller can give the alarm, inform that the parameter of staff to Air Exposure adjusts, if be only rubbish moisture deficit, then central controller controls water delivery device, moisture is added in conveying gas, if the oxygen content being only rubbish is too low, then strengthens the pressure of compression pump and open apparatus of oxygen supply, to the inner aeration of rubbish.
6. as the inside aeration treatment apparatus towards townm refuse landfill yard as described in arbitrary in claim 1-4, the pore that it is characterized in that on air supply pipe and exhaust tube tube wall is all taked identical for anti-blocking structure, the structure of described pore is as follows: tube wall adopts double-decker, inner wall layer is the good styrene of elasticity, the polyester that outer wall layer is acid and alkali-resistance, hardness is high, inner wall layer thickness is 0.3-0.5mm, outer wall layer thickness is 0.2-1mm, inner wall layer and outer wall layer perforate respectively, laminated together by two by the method for thermoplastic afterwards.
7. as claimed in claim 6 towards the inside aeration treatment apparatus of townm refuse landfill yard, it is characterized in that the pore that inner wall layer and outer wall layer are opened overlaps in position, but shape and size there are differences, the pore of inner wall layer is periphery is zigzag circular port, and the pore of outer wall layer is the circular port that periphery is smooth; The hole diameter of inner wall layer is 1-3mm, the hole diameter of outer wall layer adds 0.5mm to determine according to inner wall layer hole diameter, the sawtooth of inner wall layer pore is regular sawtooth, the size shape of each sawtooth is identical, the length of sawtooth is determined according to 1/4th of inner wall layer hole diameter, and whole circular periphery sawtooth quantity is 10-20.
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| CN201310130847.7A CN103252338B (en) | 2013-04-16 | 2013-04-16 | In-situ belueftung treatment device oriented to town refuse landfill |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10201632A1 (en) * | 2002-01-16 | 2003-07-24 | Rainer Stegmann | Combined waste disposal process for municipal and biological wastes stabilizes an aerobic liquid phase |
| CN1554491A (en) * | 2003-12-23 | 2004-12-15 | 南京大学 | Comprehensive utilization system for garbage burying gas resource |
| CN1644255A (en) * | 2005-01-12 | 2005-07-27 | 北京煜立晟科技有限公司 | Method for rapid degradating solid refuse |
| CN101695708A (en) * | 2009-11-04 | 2010-04-21 | 北京昊海天际科技有限公司 | Method for in-situ repair of waste pile |
| CN102310076A (en) * | 2011-06-16 | 2012-01-11 | 北京紫光泰和通环保技术有限公司 | Aerobic repairing system and repairing method of solid waste area |
| CN102380498A (en) * | 2011-08-03 | 2012-03-21 | 城市建设研究院 | Aerobic treating system and method for refuse landfill |
-
2013
- 2013-04-16 CN CN201310130847.7A patent/CN103252338B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10201632A1 (en) * | 2002-01-16 | 2003-07-24 | Rainer Stegmann | Combined waste disposal process for municipal and biological wastes stabilizes an aerobic liquid phase |
| CN1554491A (en) * | 2003-12-23 | 2004-12-15 | 南京大学 | Comprehensive utilization system for garbage burying gas resource |
| CN1644255A (en) * | 2005-01-12 | 2005-07-27 | 北京煜立晟科技有限公司 | Method for rapid degradating solid refuse |
| CN101695708A (en) * | 2009-11-04 | 2010-04-21 | 北京昊海天际科技有限公司 | Method for in-situ repair of waste pile |
| CN102310076A (en) * | 2011-06-16 | 2012-01-11 | 北京紫光泰和通环保技术有限公司 | Aerobic repairing system and repairing method of solid waste area |
| CN102380498A (en) * | 2011-08-03 | 2012-03-21 | 城市建设研究院 | Aerobic treating system and method for refuse landfill |
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