CN104258438A - Method and device for deodorizing domestic waste - Google Patents
Method and device for deodorizing domestic waste Download PDFInfo
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- CN104258438A CN104258438A CN201410549404.6A CN201410549404A CN104258438A CN 104258438 A CN104258438 A CN 104258438A CN 201410549404 A CN201410549404 A CN 201410549404A CN 104258438 A CN104258438 A CN 104258438A
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- high frequency
- medium
- rotary kiln
- frequency coil
- house refuse
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000010791 domestic waste Substances 0.000 title abstract description 8
- 230000001877 deodorizing effect Effects 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 230000005611 electricity Effects 0.000 claims abstract description 12
- 239000010813 municipal solid waste Substances 0.000 claims description 56
- 229910052755 nonmetal Inorganic materials 0.000 claims description 34
- 238000004332 deodorization Methods 0.000 claims description 32
- 239000011819 refractory material Substances 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 abstract description 22
- 239000000463 material Substances 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract 2
- 239000000149 chemical water pollutant Substances 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 description 16
- 231100000719 pollutant Toxicity 0.000 description 16
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- 238000000354 decomposition reaction Methods 0.000 description 9
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- 230000008859 change Effects 0.000 description 7
- 230000008020 evaporation Effects 0.000 description 7
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 6
- 230000032258 transport Effects 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 239000012467 final product Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 235000015097 nutrients Nutrition 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- QMMFVYPAHWMCMS-UHFFFAOYSA-N Dimethyl sulfide Chemical compound CSC QMMFVYPAHWMCMS-UHFFFAOYSA-N 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 238000013467 fragmentation Methods 0.000 description 4
- 238000006062 fragmentation reaction Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
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Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the field of pretreatment of domestic waste, in particular to a method and a device for deodorizing the domestic waste. The method comprises the following steps: continuously heating the domestic waste, enabling the temperature of the domestic waste to be kept in the range of 100 DEG C to 270 DEG C, and obtaining evaporated water vapor; collecting the water vapor and deodorizing the collected water vapor. In the waste heating process, an odor ingredient is evaporated along with the water vapor so as to deodorize the water vapor; the deodorizing manner has a good effect; moreover, manpower and material resources are saved; the problem of odor of the domestic waste is solved. The device comprises a medium-high frequency drying machine and a deodorizing device which are sequentially connected by a pipeline; the medium-high frequency drying machine comprises a rotary kiln, a medium-high frequency coil and a power cabinet connected with the medium-high frequency coil. By the powered medium-high frequency coil and the rotating rotary kiln, a great quantity of resistance heat is generated, moisture in the waste is evaporated by 3 percent to 5 percent, only about 16 kilowatt-hour of electricity is required, the processed domestic waste does not emit odor in 48 hours and no landfill leachate is drained out from the processed waste.
Description
Technical field
The present invention relates to house refuse preprocessing technical field, in particular to method and the device thereof of the deodorization of one way of life rubbish.
Background technology
Along with the quick growth of domestic waste, the stench that house refuse is brought has become people's stubborn problem.The kind that house refuse contains is many, and moisture many, places and can produce stench long afterwards, thus brings serious impact to the life of people.
Application number is 201410283168.8,201410160437.1,201410192614.4 is all by adding deodorizing sterilizing liquid in house refuse, removes stink wherein.But the effect of deodorization is not ideal enough like this, also need the labour force costed a lot of money, and there is potential potential safety hazard.
In view of this, special proposition the present invention.
Summary of the invention
The first object of the present invention is the method providing the deodorization of one way of life rubbish, and the method is before house refuse transports factory to, namely at landfill yard or refuse transfer station, carries out deodorization; Concrete grammar is: continue to heat to house refuse, and make the temperature of house refuse remain between 100 DEG C-270 DEG C, the moisture in house refuse becomes steam, and containing odor pollutant in steam, odor pollutant comprises: ammonia (NH
3), trimethylamine (C
3h
9n), hydrogen sulfide (H
2s), methanthiol (CH
4s), methyl sulfide (C
2h
6s), except the boiling point 37.3 DEG C of methyl sulfide, all the other the highest 7.6 DEG C of just boilings, therefore, they evaporate with steam together; Steam is collected unification and carries out deodorization, this deodorization mode is effective, and uses manpower and material resources sparingly; House refuse after process can not give out foul smell at short notice again, also can not flow out Leachate site, well solves the malodor problem of current house refuse.
The second object of the present invention is to provide a kind of device implementing the method for house refuse deodorization, this device comprises medium-high frequency dehydrator and odor removal, wherein, medium-high frequency dehydrator is the improvement further carried out on the basis of rotary kiln, both make use of the continuous rolling of rotary kiln, can be dry after putting into make house refuse more homogeneous; Medium-high frequency coil is with the addition of on the other hand in the outside of rotary kiln, after medium-high frequency coil electricity, medium-high frequency alternating magnetic field is produced when rotary kiln rotates, the medium-high frequency induced current that high-frequency alternating magnetic field produces produces a large amount of resistance heat at rotary kiln surface, this resistance heat is delivered in rotary kiln, make the rubbish in it constantly be heated to evaporate the moisture contained in rubbish in rolling, obtain steam, then deodorization is carried out to steam.
In order to realize above-mentioned purpose of the present invention, spy by the following technical solutions:
The method of one way of life rubbish deodorization, comprises the following steps:
Continue to heat to house refuse, the temperature of house refuse is remained between 100 DEG C-270 DEG C, obtain the steam evaporated;
Collect described steam, to the steam deodorization of collecting.
The method of the one way of life rubbish deodorization provided of the present invention, the method continues to heat to house refuse, and make the temperature of house refuse remain between 100 DEG C-270 DEG C, the moisture in house refuse becomes steam, containing odor pollutant in steam, odor pollutant comprises: ammonia (NH
3), trimethylamine (C
3h
9n), hydrogen sulfide (H
2s), methanthiol (CH
4s), methyl sulfide (C
2h
6s), except the boiling point 37.3 DEG C of methyl sulfide, all the other the highest 7.6 DEG C of just boilings, therefore, they evaporate with steam together; Steam is collected unification and carries out deodorization, this deodorization mode is effective, and uses manpower and material resources sparingly, and well solves the malodor problem of current house refuse.
Usually, continuing before to heat house refuse, first sorting is carried out to rubbish, to remove inorganic matter and metal.Sorting adopts circulation separation crusher to carry out.
Empirical tests, until the moisture evaporating more than 3%, foul smell is evaporated completely.Preferably, described steam is more than 3% of described house refuse water content.As steam can be house refuse water content 3%, 5%, 10%, 20%, 30%, 40%, 50% etc.In order in a short time, house refuse does not produce stench, and more preferably, described steam is described house refuse water content is 3-5%.Like this, house refuse is through simple heating, simple, and energy consumption is low, and the house refuse after heating no longer distributed foul smell in 48 hours, did not also discharge Leachate site.House refuse after process no longer distributes stench in transportation, transport destructor plant and also do not distribute stench, house refuse after process was processed in 48 hours, such as send into storage type low-rotate speed batcher or gasify etc., just fundamentally can solve the malodor problem of destructor plant.
Present invention also offers the device of the method implementing house refuse deodorization, comprise the medium-high frequency dehydrator and odor removal that are connected successively by pipeline;
The power cabinet that described medium-high frequency dehydrator comprises rotary kiln, medium-high frequency coil and is connected with described medium-high frequency coil;
Described medium-high frequency coil is positioned at outside described rotary kiln, described power cabinet is energized to after described medium-high frequency coil, when described rotary kiln rotates, described medium-high frequency coil produces medium-high frequency alternating magnetic field, and the medium-high frequency induced current that described high-frequency alternating magnetic field produces produces a large amount of resistance heat at described rotary kiln surface.
The device of the method for enforcement house refuse provided by the invention deodorization comprises medium-high frequency dehydrator and odor removal, wherein, medium-high frequency dehydrator is the improvement further carried out on the basis of rotary kiln, both make use of the continuous rolling of rotary kiln, can be dry after putting into make house refuse more homogeneous; Medium-high frequency coil is with the addition of on the other hand in the outside of rotary kiln, after medium-high frequency coil electricity, medium-high frequency alternating magnetic field is produced when rotary kiln rotates, the medium-high frequency induced current that high-frequency alternating magnetic field produces produces a large amount of resistance heat at rotary kiln surface, this resistance heat is delivered in rotary kiln, make the rubbish in it constantly be heated to evaporate the moisture contained in rubbish in rolling, obtain steam, the steam obtained passes into odor removal through air-introduced machine and carries out deodorization.This device is used to save the energy greatly.
Preferably, described device also comprises temperature control device, and described temperature control device regulates and controls the temperature of described rotary kiln by the power supply controlling medium-high frequency coil.It is too high or too low for temperature that the arranging of temperature control device can prevent in rotary kiln, and the too high temperature referred in rotary kiln controls to be not more than 270 DEG C, dissolves 270 DEG C time change into agglomerate blocking dehydrator to prevent plastics.Temperature control device can for temperature hand is dynamic or automatic control and adjustment device, and temperature automatic control adjusting device is preferably wireless change and send type, to realize Automatic Control, saves manpower.
In order to realize medium-high frequency coil after powered up, produce resistance heat with the rotation of rotary kiln, preferably, described medium-high frequency coil obtains by the following method: fixedly mount nonmetal frame at the skin of described rotary kiln, described nonmetal frame is wound around medium-high frequency cable, obtains described medium-high frequency coil.Rotary kiln rotate time, nonmetal frame and medium-high frequency coil above motionless.
In order to prevent the heat diffusion of rotary kiln surface, wasted heat, preferably, be also provided with refractory material between described nonmetal frame and described rotary kiln, described refractory material is wrapped on rotary kiln, forms refractory masses.Refractory material is wrapped on rotary kiln, is integrally with rotary kiln; Wherein, nonmetal object used for refractory material is tied up fastening; In order to better prevent the heat on rotary kiln from distributing, the thickness of described refractory masses is 3-8cm.
Because nonmetal frame does not rotate with the rotation of rotary kiln, and refractory material rotates with the rotation of rotary kiln, encounters the nonmetal frame maintained static when rotating to prevent rotary kiln and refractory material.More preferably, the distance between described nonmetal frame and described refractory masses is 2-4cm.Namely the interior diameter ratio parcel of nonmetal frame is fastened on the large 2-4cm of overall diameter of the outer field refractory material of rotary kiln.
According to the length of rotary kiln, the cable density of winding and power supply situation etc., nonmetal frame is divided into several unit along rotary kiln length direction, nonmetal frame all can arrange along rotary kiln length or interval is arranged; Each unit is wound around medium-high frequency cable, forms medium-high frequency coil, form an independently heating arrangements.Wherein, medium-high frequency cable in each unit can be chosen as wraparound rotary kiln one and enclose or arrange around half or around a part, as long as the medium-high frequency coil obtained can be after powered up, medium-high frequency alternating magnetic field is produced with the rotation of rotary kiln, the medium-high frequency induced current that medium-high frequency alternating magnetic field produces produces a large amount of resistance heat at rotary kiln surface, and the temperature reaching house refuse remains between 100 DEG C-270 DEG C.Preferably, described nonmetal frame is divided into several unit along rotary kiln length direction, and each unit forms a complete medium-high frequency coil.
For the ease of controlling the temperature of rotary kiln comprehensively, further, each unit correspondence arranges a temperature control device.Electric power thus supplied like this by controlling each medium-high frequency coil just can control the heat that this medium-high frequency coil produces, thus controls the temperature in rotary kiln.
Preferably, rotary kiln is horizontal installation, and the gradient of installation is 2-6%.Kiln hood is higher than the position of kiln tail, if 100m distance center is high, kiln hood and kiln tail drop 2-6m, after such installation, rubbish is put into the kiln hood of rotary kiln, with the revolution of rotary kiln, rubbish moves from kiln hood to kiln tail, rubbish also constantly rolls with the rotation of rotary kiln, rubbish is constantly heated in the process toward the movement of kiln tail, as being heated to 40 DEG C by kiln hood, is progressively heated to 60 DEG C, 80 DEG C, 100 DEG C, 120 DEG C etc. in the process toward the movement of kiln tail, thus evaporate moisture step by step, take odor pollutant out of.Its object is that the house refuse after process no longer distributes stench when transporting and entering factory and gasification process, and flows out without Leachate site.
The main body of medium-high frequency dehydrator is rotary kiln, and according to garbage treatment quantity, preferably, the diameter of described rotary kiln is 0.5m-5m, and rotary kiln length is 6m-40m.And empirical tests, the length of the rotary kiln used is 6-40m, the diameter of rotary kiln is 0.5-5m, the heat that medium-high frequency coil produces with the rotation of rotary kiln, can be good at meeting the needs that heating house refuse obtains its steam, according to length and the diameter of rotary kiln, adjust different electrical condition and make rubbish evaporate the steam of part, reach the function of deodorization.
In order to make the environment of surrounding meet safety requirements, and the heat that medium-high frequency coil produces is suitable.Further, the electricity that described power cabinet is supplied to described medium-high frequency coil is three-phase alternating current, and the frequency of described three-phase alternating current is 5000-30000 hertz, and voltage is 5-380 volt;
Wherein, the voltage in exposed cable is lower than 36 volts.
More preferably, the frequency of described three-phase alternating current is 7000-16000 hertz.
Preferably, be provided with raising material unit in described rotary kiln, described raising material unit is for be provided with multiple lifting bucket along described rotary kiln inwall.Rubbish rolls with the rotation of rotary kiln, the rubbish of rotary kiln better disperses by raising material unit, rubbish is constantly mentioned and is raised by lifting bucket, the heat produced by magnetic field and step progressively evenly the steam that evaporates by heat out, foul smell in rubbish is evaporated with steam more completely, thus more thorough by odor destruction.
In addition, the odor removal be connected with medium-high frequency dehydrator uses the foul smell decomposition box of commercially available removal stink, deodorizer can be used, or biological bacteria decomposition box, or vegetation water deodorization etc., as: the biological bacteria decomposition box buying the gloomy source great achievement waste odour-gas cleaning equipment Manufacturing Co., Ltd from Yangzhou, 25 seconds got final product vent gas up to standard, and emptying gas meets " emission standard for odor pollutants " (GB14554-93) Zhong Chang circle toxic emission secondary standard.
The principle of biological bacteria decompose odor is: be modulated to spray liquid after adding absorbent in water, and foul smell carries out mass transfer at filling surface and spray liquid under adverse current, continuous, abundant contact conditions, and foul smell is dissolved in water; Water solution flow is through filtrate, and odor pollutant is wherein by the microorganism adsorption on filtrate, absorption, and odor pollutant is transferred in microbial body from water; The odor pollutant entering microbial cell is that Institute of Micro-biology decomposes, utilizes as nutrient substance, and pollutant are removed.Wherein, filtrate is efficient volcanic rock, and in more than 10 years life-span, particle diameter 15 ~ 50mm is optional; Surface area is large, and growth fraction surface area, close to 1mm, is perched for microorganism provides larger in aperture; Nutritional labeling rationally (N, P, K and trace element).If run interruption more than one week, microbial bacteria thirst, and needs again to implant, and once implants 100g, about 200 yuan.
Use medium-high frequency dehydrator provided by the invention to 1t house refuse deodorization process, 1t rubbish is moisture is calculated as 550kg according to 55%, if the 3-5% evaporated wherein evaporates 16.5kg-27.7kg water exactly, calculates by 20kg; 40kg marks the heat energy evaporation 400kg water of coal, and 1kg marks coal evaporation 10kg water, evaporate 20kg water, then need 2kg to mark coal.The heat of 1kwh electricity is that 3600kJ, 2kg mark coal × 7000kcal/kg × 4.186=58604kJ, amounts to electric energy: 58604kJ ÷ 3600kJ/kwh=16.3kwh.Namely medium-high frequency dehydrator deodorization 1t house refuse provided by the invention is used only to need power consumption about 16 degree.
Compared with prior art, beneficial effect of the present invention is:
(1) by continuing to the mode of heat to house refuse, house refuse is constantly heated, the portion of water that rubbish contains constantly is evaporated, and odor pollutant is wherein brought out, the steam of evaporation is collected unification and carries out deodorization, this deodorization mode is effective, and uses manpower and material resources sparingly; House refuse after process can not give out foul smell at short notice again, also can not flow out Leachate site, well solves the malodor problem of current house refuse;
(2) steam that specific selection house refuse evaporates in heating process is more than 3% of house refuse water content, particularly 3%-5%, consume energy low, only need the electricity of about 16 degree, and make the house refuse after heating no longer distribute foul smell in 48 hours, also do not discharge Leachate site;
(3) rotary kiln is horizontal installation, the gradient of installing is 2-6%, rubbish is put into the kiln hood of rotary kiln, with the revolution of rotary kiln, rubbish moves from kiln hood to kiln tail, and rubbish also constantly rolls with the rotation of rotary kiln, and rubbish is constantly heated in the process toward the movement of kiln tail, thus evaporate moisture step by step, take odor pollutant wherein more completely out of;
(4) be provided with raising material unit in rotary kiln, better disperseed by raising material unit when rubbish rolls in the rotation with rotary kiln, the odor pollutant in rubbish is more thoroughly evaporated with steam;
(5) use medium-high frequency dehydrator provided by the invention as thermal source, save the energy greatly;
(6) use biological bacteria decomposition box to remove odor pollutant, efficiency is high, and does not produce extra pollution, environmental protection, and can reuse, and cost is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic diagram of the device of the method for the enforcement house refuse deodorization that Fig. 1 provides for the embodiment of the present invention 1;
The top view of the device of the method for the enforcement house refuse deodorization that Fig. 2 provides for the embodiment of the present invention 1;
Reference numeral: 1, rotary kiln; 2, kiln hood; 3, medium-high frequency coil; 4, power cabinet; 5, temperature control device; 6, nonmetal frame; 7, odor removal; 8, air-introduced machine.
Detailed description of the invention
Below in conjunction with embodiment, embodiment of the present invention are described in detail, but it will be understood to those of skill in the art that the following example only for illustration of the present invention, and should not be considered as limiting the scope of the invention.Unreceipted actual conditions person in embodiment, the condition of conveniently conditioned disjunction manufacturer suggestion is carried out.The unreceipted production firm person of instrument, being can by the conventional products of commercially available acquisition.
Embodiment 1
As depicted in figs. 1 and 2, horizontally install back rotary kiln 1, the gradient of installation is 4%, and the length of the rotary kiln selected is 20m, and diameter is 3m;
Nonmetal frame 6 is set along rotary kiln 1, nonmetal frame 6 is wound around cable, form medium-high frequency coil 3; Also be provided with refractory material between nonmetal frame and rotary kiln, refractory material is wrapped on rotary kiln, and form refractory masses, the thickness of refractory masses is 5cm, and the distance between nonmetal frame and refractory masses is 3cm; The length direction of rotary kiln 1 evenly arranges 3 groups of medium-high frequency coils 3, often organize medium-high frequency coil 3 and comprise 2 medium-high frequency coils 3 be close to, often organize interval 1m between medium-high frequency coil 3, often organize medium-high frequency coil 3 and arrange a temperature control device 5, temperature control device 5 send type for wireless change;
The cable of medium-high frequency coil 3 is connected with power cabinet 4, and the electricity that power cabinet 4 is supplied to medium-high frequency coil is three-phase alternating current, and the frequency of three-phase alternating current is 16000 hertz, and voltage is 220 volts; Voltage in exposed cable is lower than 36 volts;
House refuse first sub-elects inorganic matter wherein and metal through circulation separation crusher, then the house refuse after fragmentation being sorted is transported to kiln hood 2 and sends in rotary kiln by drawing-in devices such as conveyers, with the revolution of rotary kiln 1, rubbish progressively moves to kiln tail from kiln hood 2, simultaneously, the medium-high frequency coil 3 of energising produces medium-high frequency alternating magnetic field, the medium-high frequency induced current that medium-high frequency alternating magnetic field produces produces a large amount of resistance heat at rotary kiln surface and is delivered in rotary kiln, by the rubbish heating in rotary kiln, the rubbish in rotary kiln is made finally to remain between 100-270 DEG C;
Rubbish is mentioned and raises by multiple lifting buckets that rotary kiln inwall is arranged, the resistance heat that rubbish is produced by medium-high frequency coil step heating and evaporate steam step by step;
The steam of rotary kiln evaporation passes into odor removal 7 through air-introduced machine 8, odor removal 7 adopts the biological bacteria decomposition box buying the gloomy source great achievement waste odour-gas cleaning equipment Manufacturing Co., Ltd from Yangzhou, stink is converted into the nutrient substance of biological bacteria, and 25 seconds got final product vent gas up to standard, stink zero-emission;
The house refuse of medium-high frequency dehydrator heating is the 3-5% (percentage by weight) of house refuse water content by the steam be evaporated, house refuse after the process of medium-high frequency dehydrator no longer distributed foul smell in 48 hours, also do not discharge Leachate site, directly can transport destructor plant to.
Embodiment 2
Horizontally install back rotary kiln, the gradient of installation is 6%, and the length of the rotary kiln selected is 40m, and diameter is 5m;
Nonmetal frame is set along rotary kiln, nonmetal frame is wound around cable, form medium-high frequency coil; Also be provided with refractory material between nonmetal frame and rotary kiln, refractory material is wrapped on rotary kiln, and form refractory masses, the thickness of refractory masses is 8cm, and the distance between nonmetal frame and refractory masses is 4cm; The length direction of rotary kiln evenly arranges 8 groups of medium-high frequency coils, often organizes medium-high frequency coil and comprises 2 medium-high frequency coils be close to, often organize interval 1m between medium-high frequency coil, and often organize medium-high frequency coil and arrange a temperature control device, temperature control device is that type is sent in wireless change;
The cable of medium-high frequency coil is connected with power cabinet, and the electricity that power cabinet is supplied to medium-high frequency coil is three-phase alternating current, and the frequency of three-phase alternating current is 30000 hertz, and voltage is 380 volts; Voltage in exposed cable is lower than 36 volts;
House refuse first sub-elects inorganic matter wherein and metal through circulation separation crusher, then the house refuse after fragmentation being sorted is transported to kiln hood and sends in rotary kiln by drawing-in devices such as conveyers, with the revolution of rotary kiln, rubbish progressively moves to kiln tail from kiln hood, simultaneously, the medium-high frequency coil of energising produces medium-high frequency alternating magnetic field, the medium-high frequency induced current that medium-high frequency alternating magnetic field produces produces a large amount of resistance heat at rotary kiln surface and is delivered in rotary kiln, by the rubbish heating in rotary kiln, the rubbish in rotary kiln is made finally to remain between 100-270 DEG C;
Rubbish is mentioned and raises by multiple lifting buckets that rotary kiln inwall is arranged, the resistance heat that rubbish is produced by medium-high frequency coil step heating and evaporate steam step by step;
The steam of rotary kiln evaporation passes into odor removal through air-introduced machine, odor removal adopts the biological bacteria decomposition box buying the gloomy source great achievement waste odour-gas cleaning equipment Manufacturing Co., Ltd from Yangzhou, stink is converted into the nutrient substance of biological bacteria, and 25 seconds got final product vent gas up to standard, stink zero-emission;
The house refuse of medium-high frequency dehydrator heating is the 3-5% (percentage by weight) of house refuse water content by the steam be evaporated, house refuse after the process of medium-high frequency dehydrator no longer distributed foul smell in 48 hours, also do not discharge Leachate site, directly can transport destructor plant to.
Embodiment 3
Horizontally install back rotary kiln, the gradient of installation is 2%, and the length of the rotary kiln selected is 6m, and diameter is 1.5m;
Nonmetal frame is set along rotary kiln, nonmetal frame is wound around cable, form medium-high frequency coil; Also be provided with refractory material between nonmetal frame and rotary kiln, refractory material is wrapped on rotary kiln, and form refractory masses, the thickness of refractory masses is 3cm, and the distance between nonmetal frame and refractory masses is 2cm; The length direction of rotary kiln evenly arranges 1 group of medium-high frequency coil, and this group medium-high frequency coil comprises 2 medium-high frequency coils be close to, and this group medium-high frequency coil arranges a temperature control device, and temperature control device is that type is sent in wireless change;
The cable of medium-high frequency coil is connected with power cabinet, and the electricity that power cabinet is supplied to medium-high frequency coil is three-phase alternating current, and the frequency of three-phase alternating current is 5000 hertz, and voltage is 5 volts; Voltage in exposed cable is lower than 36 volts;
House refuse first sub-elects inorganic matter wherein and metal through circulation separation crusher, then the house refuse after fragmentation being sorted is transported to kiln hood and sends in rotary kiln by drawing-in devices such as conveyers, with the revolution of rotary kiln, rubbish progressively moves to kiln tail from kiln hood, simultaneously, the medium-high frequency coil of energising produces medium-high frequency alternating magnetic field, the medium-high frequency induced current that medium-high frequency alternating magnetic field produces produces a large amount of resistance heat at rotary kiln surface and is delivered in rotary kiln, by the rubbish heating in rotary kiln, the rubbish in rotary kiln is made finally to remain between 100-270 DEG C;
Rubbish is mentioned and raises by multiple lifting buckets that rotary kiln inwall is arranged, the resistance heat that rubbish is produced by medium-high frequency coil step heating and evaporate steam step by step;
The steam of rotary kiln evaporation passes into odor removal through air-introduced machine, odor removal adopts the biological bacteria decomposition box buying the gloomy source great achievement waste odour-gas cleaning equipment Manufacturing Co., Ltd from Yangzhou, stink is converted into the nutrient substance of biological bacteria, and 25 seconds got final product vent gas up to standard, stink zero-emission;
The house refuse of medium-high frequency dehydrator heating is the 3-5% (percentage by weight) of house refuse water content by the steam be evaporated, house refuse after the process of medium-high frequency dehydrator no longer distributed foul smell in 48 hours, also do not discharge Leachate site, directly can transport destructor plant to.
Embodiment 4
Horizontally install back rotary kiln, the gradient of installation is 5%, and the length of the rotary kiln selected is 10m, and diameter is 0.5m;
Nonmetal frame is set along rotary kiln, nonmetal frame is wound around cable, form medium-high frequency coil; Also be provided with refractory material between nonmetal frame and rotary kiln, refractory material is wrapped on rotary kiln, and form refractory masses, the thickness of refractory masses is 4cm, and the distance between nonmetal frame and refractory masses is 3cm; The length direction of rotary kiln evenly arranges 2 groups of medium-high frequency coils, often organizes medium-high frequency coil and comprises 2 medium-high frequency coils be close to, often organize interval 1m between medium-high frequency coil, and often organize medium-high frequency coil and arrange a temperature control device, temperature control device is that type is sent in wireless change;
The cable of medium-high frequency coil is connected with power cabinet, and the electricity that power cabinet is supplied to medium-high frequency coil is three-phase alternating current, and the frequency of three-phase alternating current is 7000 hertz, and voltage is 50 volts; Voltage in exposed cable is lower than 36 volts;
House refuse first sub-elects inorganic matter wherein and metal through circulation separation crusher, then the house refuse after fragmentation being sorted is transported to kiln hood and sends in rotary kiln by drawing-in devices such as conveyers, with the revolution of rotary kiln, rubbish progressively moves to kiln tail from kiln hood, simultaneously, the medium-high frequency coil of energising produces medium-high frequency alternating magnetic field, the medium-high frequency induced current that medium-high frequency alternating magnetic field produces produces a large amount of resistance heat at rotary kiln surface and is delivered in rotary kiln, by the rubbish heating in rotary kiln, the rubbish in rotary kiln is made finally to remain between 100-270 DEG C;
Rubbish is mentioned and raises by multiple lifting buckets that rotary kiln inwall is arranged, the resistance heat that rubbish is produced by medium-high frequency coil step heating and evaporate steam step by step;
The steam of rotary kiln evaporation passes into odor removal through air-introduced machine, odor removal adopts the biological bacteria decomposition box buying the gloomy source great achievement waste odour-gas cleaning equipment Manufacturing Co., Ltd from Yangzhou, stink is converted into the nutrient substance of biological bacteria, and 25 seconds got final product vent gas up to standard, stink zero-emission;
The house refuse of medium-high frequency dehydrator heating is the 3-5% (percentage by weight) of house refuse water content by the steam be evaporated, house refuse after the process of medium-high frequency dehydrator no longer distributed foul smell in 48 hours, also do not discharge Leachate site, directly can transport destructor plant to.
The method of the house refuse deodorization that above embodiment provides, continue to the mode of heat by giving house refuse, house refuse is constantly heated, the moisture that rubbish contains constantly is evaporated, by steam deodorization, this deodorization mode is effective, and uses manpower and material resources sparingly, and well solves the malodor problem of current house refuse.Concrete device comprises medium-high frequency dehydrator and odor removal.By horizontal for rotary kiln installation, the gradient of installing is the kiln hood that rotary kiln put into by rubbish by 2-6%, with the revolution of rotary kiln, rubbish moves from kiln hood to kiln tail, rubbish also constantly rolls with the rotation of rotary kiln, rubbish is constantly heated in the process toward the movement of kiln tail, thus evaporates moisture step by step, takes odor pollutant wherein more completely out of; Rotary kiln also arranges refractory masses, prevents distributing of heat, utilize heat more completely; The steam that specific selection house refuse evaporates in heating process is more than 3% of house refuse water content, particularly 3%-5%, consumes energy low, only needs the electricity of about 16 degree, and make the house refuse after heating no longer distribute foul smell in 48 hours, also do not discharge Leachate site; Be provided with raising material unit in rotary kiln, better disperseed by raising material unit when rubbish rolls in the rotation with rotary kiln, better the foul smell in rubbish is evaporated; Use medium-high frequency dehydrator provided by the invention as thermal source, save the energy greatly; Use biological bacteria decomposition box to remove odor pollutant, efficiency is high, and does not produce extra pollution, environmental protection, and can reuse, and cost is low.
Although illustrate and describe the present invention with specific embodiment, however it will be appreciated that can to make when not deviating from the spirit and scope of the present invention many other change and amendment.Therefore, this means to comprise all such changes and modifications belonged in the scope of the invention in the following claims.
Claims (10)
1. the method for one way of life rubbish deodorization, is characterized in that, comprises the following steps:
Continue to heat to house refuse, the temperature of house refuse is remained between 100 DEG C-270 DEG C, obtain the steam evaporated;
Collect described steam, to the steam deodorization of collecting.
2. the method for house refuse deodorization according to claim 1, is characterized in that, described steam is more than 3% of described house refuse water content, is more preferably 3-5%.
3. implement the claims a device for the method for the house refuse deodorization described in any one of 1-2, it is characterized in that, comprise the medium-high frequency dehydrator and odor removal that are connected successively by pipeline;
The power cabinet that described medium-high frequency dehydrator comprises rotary kiln, medium-high frequency coil and is connected with described medium-high frequency coil;
Described medium-high frequency coil is positioned at outside described rotary kiln, described power cabinet is energized to after described medium-high frequency coil, when described rotary kiln rotates, described medium-high frequency coil produces medium-high frequency alternating magnetic field, and the medium-high frequency induced current that described medium-high frequency alternating magnetic field produces produces a large amount of resistance heat at described rotary kiln surface.
4. device according to claim 3, is characterized in that, described device also comprises temperature control device, and described temperature control device regulates and controls the temperature of described rotary kiln by the power supply controlling medium-high frequency coil.
5. device according to claim 3, is characterized in that, described medium-high frequency coil obtains by the following method: fixedly mount nonmetal frame at the skin of described rotary kiln, and described nonmetal frame is wound around medium-high frequency cable, obtains described medium-high frequency coil; Preferably, be also provided with refractory material between described nonmetal frame and described rotary kiln, described refractory material is wrapped on rotary kiln, forms refractory masses; More preferably, the distance between described nonmetal frame and described refractory masses is 2-4cm.
6. device according to claim 5, is characterized in that, described nonmetal frame is divided into several unit along rotary kiln length direction, and each unit forms a complete medium-high frequency coil.
7. device according to claim 6, is characterized in that, each unit correspondence arranges a temperature control device.
8. device according to claim 3, is characterized in that, described rotary kiln is horizontal installation, and the gradient of installation is 2-6%.
9. device according to claim 3, is characterized in that, the diameter of described rotary kiln is 0.5m-5m, and rotary kiln length is 6m-40m.
10. the device according to any one of claim 3-9, is characterized in that, the electricity that described power cabinet is supplied to described medium-high frequency coil is three-phase alternating current, and the frequency of described three-phase alternating current is 5000-30000 hertz, and voltage is 5-380 volt;
Wherein, the voltage in exposed cable is lower than 36 volts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410549404.6A CN104258438B (en) | 2014-10-16 | The method of one way of life rubbish deodorization and device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410549404.6A CN104258438B (en) | 2014-10-16 | The method of one way of life rubbish deodorization and device thereof |
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| CN104258438A true CN104258438A (en) | 2015-01-07 |
| CN104258438B CN104258438B (en) | 2017-01-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108731429A (en) * | 2018-06-15 | 2018-11-02 | 山东鲁北企业集团总公司 | A kind of ferric phosphate continuous dehydration and crystal form controllable system and its control method |
| CN109516476A (en) * | 2018-12-20 | 2019-03-26 | 邵淦清 | A kind of deodorization device and technique in ammonium sulfate production process |
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| CN1180343A (en) * | 1996-02-29 | 1998-04-29 | 大阪富士工业株式会社 | Non-draining type human waste disposal method by pulse combustion drying |
| WO2010047283A1 (en) * | 2008-10-20 | 2010-04-29 | 合資会社Liberty Net INTERNATIONAL | Apparatus for carbonization and method of carbonization |
| CN103134307A (en) * | 2013-03-18 | 2013-06-05 | 古晓跃 | Electromagnetic induction heating rotary kiln |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1180343A (en) * | 1996-02-29 | 1998-04-29 | 大阪富士工业株式会社 | Non-draining type human waste disposal method by pulse combustion drying |
| WO2010047283A1 (en) * | 2008-10-20 | 2010-04-29 | 合資会社Liberty Net INTERNATIONAL | Apparatus for carbonization and method of carbonization |
| CN103134307A (en) * | 2013-03-18 | 2013-06-05 | 古晓跃 | Electromagnetic induction heating rotary kiln |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108731429A (en) * | 2018-06-15 | 2018-11-02 | 山东鲁北企业集团总公司 | A kind of ferric phosphate continuous dehydration and crystal form controllable system and its control method |
| CN109516476A (en) * | 2018-12-20 | 2019-03-26 | 邵淦清 | A kind of deodorization device and technique in ammonium sulfate production process |
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