CN203764629U - Halogenated POPs (Persistent Organic Pollutants) treating system - Google Patents
Halogenated POPs (Persistent Organic Pollutants) treating system Download PDFInfo
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- CN203764629U CN203764629U CN201420016755.6U CN201420016755U CN203764629U CN 203764629 U CN203764629 U CN 203764629U CN 201420016755 U CN201420016755 U CN 201420016755U CN 203764629 U CN203764629 U CN 203764629U
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Abstract
The utility model provides a halogenated POPs (Persistent Organic Pollutants) treating system. The treating system comprises a feeding device, a heating reaction device and a cooling device, wherein the feeding device comprises a feeding bin and a conveyor for conveying materials in the feeding bin to the heating reaction device; the heating reaction device comprises a furnace body and a heater for heating the furnace body; a conveying hole of the conveyor is hermitically connected with a feeding hole of the furnace body; the cooling device comprises a cooling bin; a discharging hole of the heating reaction device is hermetically connected with a feeding hole of the cooling bin; the heating reaction device and the cooling bin are respectively provided with a stirring-conveying device. The treating system is simple in structure, convenient to achieve, and capable of effectively treating halogenated POPs.
Description
Technical field
The utility model relates to waste treatment technique, relates in particular to a kind of halo POPs waste treatment system.
Background technology
Persistence organic pollutant (persistent organic pollutants, POPs) be the organic pollution that a class has extended residual, bioaccumulation and height property, it can pass through various surrounding mediums, long-distance migrations such as atmosphere, water, biology, causes serious harm to human health and environment.Wherein, Polychlorinated biphenyls (polychlorinated biphenyls, PCBs) is exactly the most representative POPs that a class is manually synthesized, and is widely used as the insulating oil of power capacitor, the transmission medium of hydraulic system etc., in human social development process, cause the existence of a large amount of PCBs; In addition, other halo POPs also exists in a large number, such as containing PFOS and salt thereof, dioxin, Polychlorinated biphenyls, chlorobenzene class, chlorophenols, PBDE, tetrabromobisphenol A, Insecticides (tech) & Herbicides (tech) etc., these are all the organic pollutions that contain halogen, conventionally also can be described as halo POPs, and wherein comparatively common with chloro POPs and bromo POPs.
Due to the harmfulness of POPs to environmental and human health impacts, at post industrial state, the manufacture of these materials and use have obtained effective restriction, but, the existence of a large amount of POPs that produce before this, if do not process, still can bring great harm to environmental and human health impacts, therefore POPs being processed is a problem that needs sustainable existence.Particularly for developing countries such as China, due to early stage use amount too much, and the later stage deposit the reasons such as these pollutants are improper, cause the refuse containing POPs, such as soil, mud etc., extensively exist, provide a kind for the treatment of effect better, economic POPs waste treatment method just becomes extremely important again.Wherein, to halo POPs treatment of wastes produced, exactly halo organic pollution is wherein carried out to degradation treatment, halo POPs is converted to low toxicity or nontoxic material.
At present, it is pyrolysismethod that halo POPs refuse is processed to the also mainstream technology of industrial applications, by melting, burning etc., POPs is processed.When PCBs refuse being carried out to burning method processing, high askarel wherein can be resolved into small-molecule substance, to realize the processing to pollutant.Wherein, halo POPs refuse is carried out to burning disposal, exactly halo POPs refuse is concentrated in a large incinerator, carry out high temperature incineration, so that halo POPs is carried out to burning disposal.
But, in existing this processing method, because the chlorion in pollutant is ubiquitous, when POPs refuse is burned, low-temperature space after combustion, chlorion may other pollutant or organic matter in conjunction with generating organic chloride, and then generation dioxin or its presoma, this is difficult to control and management in burning disposal process, very easily causes the secondary pollution of larger harm.Therefore, provide a kind for the treatment of system of effectively halo POPs refuse being processed, reduce halo POPs refuse processing cost extremely important.
Utility model content
The utility model provides a kind of halo POPs waste treatment system, can effectively improve halo POPs refuse treatment effeciency, is convenient to processing procedure to control, and can reduces halo POPs refuse processing cost.
The utility model provides a kind of halo POPs waste treatment system, and comprise feed arrangement, add thermal reaction apparatus and cooling device, wherein:
Described feed arrangement comprises feeding warehouse and conveyer, and described conveyer is used for the mass transport adding in described feeding warehouse to adding thermal reaction apparatus;
The described thermal reaction apparatus that adds comprises body of heater, and is the heater of described body of heater heating, and the mass transport mouth of described conveyer and the charging aperture of described body of heater are tightly connected;
Described cooling device comprises cooling storehouse, and described cooling storehouse adopts water or air as refrigerant, described in add between the discharging opening of thermal reaction apparatus and the charging aperture in described cooling storehouse and be tightly connected;
Described adding in thermal reaction apparatus and described cooling storehouse, all arranges stirring transmitting device.
In above-mentioned system, described conveyer specifically can be electric pushrod charger.
In above-mentioned system, described body of heater specifically can be swinging body of heater, and described body of heater inside is provided with as the continuous helical shape stock guide that stirs transmitting device, and described body of heater is connected with motor.
In above-mentioned system, described body of heater can be divided into multistage, is provided with helical form stock guide in every section, and the motor being connected with each stock guide.
Above-mentioned system also can comprise and preheat body of heater, be arranged on described conveyer delivery port and described in add between the charging aperture of thermal reaction apparatus, for to preheating from the material of conveyer transmission;
The described charging aperture of body of heater and the delivery port of described conveyer of preheating, and described in preheat body of heater discharging opening and described in add between the charging aperture of thermal reaction apparatus and be all tightly connected.
In above-mentioned system, described heater specifically can be iron and irons aluminium heater strip, is arranged on the inwall of body of heater.
In above-mentioned system, described cooling storehouse specifically can be cooling boiler tube, and described cooling boiler tube is obliquely installed, and the charging aperture height of described cooling boiler tube is lower than the height of the discharging opening of described cooling boiler tube.
In above-mentioned system, described body of heater also can be specially fixed body of heater, and described fixed body of heater inside is provided with to stir and advances oar, described stirring to advance oar to be connected with motor.
The halo POPs waste treatment system that the utility model provides, can carry out continuous processing to halo POPs refuse, has simple in structure, it is convenient to realize, and is easy to control, and treatment effeciency is high, and cost advantage, can be effective to, in halo POPs treatment of wastes produced, be convenient to industrialized promotion and application.
Accompanying drawing explanation
The structural representation of the halo POPs waste treatment system that Fig. 1 provides for the utility model embodiment.
The specific embodiment
The utility model embodiment provides a kind of halo POPs waste treatment system, can process halo POPs refuse, and its concrete structure is simple, and treatment effeciency is high, can be applicable in halo POPs treatment of wastes produced application.Wherein, the present embodiment can, by increase the mode of catalyst in POPs refuse, utilize the present embodiment system to process POPs.Particularly, can be by adding alkali metal oxide or alkaline earth oxide as catalyst in halo POPs refuse, and under lower temperature conditions, carry out dehalogenation reaction, and can effectively remove the organic halogen in refuse, realize treatment of wastes produced, in whole processing procedure, can under lower temperature conditions, carry out, control procedure is simple, reliable, has good treatment effect simultaneously, processing cost is lower, in the commercial Application applicable to a large amount of treatments of wastes produced.To be elaborated with instantiation below.
The structural representation of the halo POPs waste treatment system that Fig. 1 provides for the utility model embodiment.As shown in Figure 1, the halo POPs waste treatment system that the present embodiment provides, comprise feed arrangement 10, add thermal reaction apparatus 20 and cooling device 30, wherein, feed arrangement 10 comprises feeding warehouse 101 and conveyer 102, this conveyer 102 for by the mass transport adding in feeding warehouse 101 to adding thermal reaction apparatus 20; Add thermal reaction apparatus 20 and comprise body of heater, and be the heater (not shown) of body of heater heating, the mass transport mouth of conveyer 102 and the charging aperture of body of heater are tightly connected; Cooling device 30 comprises cooling storehouse, adds between the discharging opening of thermal reaction apparatus 20 and the charging aperture in cooling storehouse and is tightly connected; Add interior all setting the in thermal reaction apparatus 20 and cooling storehouse 30 and stir transmitting device (not shown).
In the present embodiment, as shown in Figure 1, the conveyer 102 of this feed arrangement 10, be specially and adopt stainless steel electric pushrod charger, this pusher feeding machine is intermittently to advance, top docking feeding warehouse 101, enters from feeding warehouse 101 through the POPs refuse that mixes and the material of catalyst, and is advanced the follow-up thermal reaction apparatus 20 that adds by electric pushrod charger.Particularly, at the charging aperture that adds thermal reaction apparatus 20, feeding warehouse 101 is set, feeding warehouse 101 bottoms arrange electric pushrod charger, when needs add material for adding thermal reaction apparatus 20, can off and on the material of putting into feeding warehouse be sent into and add thermal reaction apparatus 20 by the electric pushrod of feeding warehouse bottom.Meanwhile, as shown in Figure 1, the discharging opening of electric pushrod charger, be the mouth that feeding warehouse 101 docks with the charging aperture that adds thermal reaction apparatus, and add between the charging aperture of thermal reaction apparatus and be tightly connected by sealing device, like this, in follow-up heating material process, can not be subject to external environment influence.In practical application, can when not needing charger to send into material, also can be provided with at the place of being tightly connected switching device as required, for example valve, closes the charging aperture that adds thermal reaction apparatus, realizes the heated sealed processing that adds thermal reaction apparatus.In practical application, the fltting speed of above-mentioned electric pushrod is adjustable, by adjusting fltting speed, realizes the control to charging rate.Its concrete governing speed can be set as required.
In the present embodiment, the body of heater that adds thermal reaction apparatus 20 specifically can be swinging body of heater, and this body of heater inside is provided with as the continuous helical shape stock guide that stirs transmitting device, and body of heater is connected with motor.In addition, described body of heater can be divided into multistage, is provided with helical form stock guide in every section.Add heater in thermal reaction apparatus 20 and specifically can be iron and iron aluminium heater strip, be arranged on the inwall of body of heater, particularly, this heater strip can partly be embedded in circular inboard wall of furnace body, has layout succinct, the feature that the efficiency of heating surface is high.In addition, the present embodiment system also can comprise and preheat body of heater 40, is arranged on the delivery port of conveyer 102 and adds between the charging aperture of thermal reaction apparatus 20, for the material transmitting from conveyer is preheated; And preheat the charging aperture R1 of body of heater 40 and the delivery port of conveyer, and preheat the discharging opening of body of heater and add between the charging aperture of thermal reaction apparatus and be all tightly connected.
Particularly, as shown in Figure 1, add thermal reaction apparatus 20 and be specially swinging body of heater, can adopt that 316L stainless steel is special to be processed, and with as preheating apparatus, preheat body of heater 40 one.Boiler tube is divided into the section of preheating K, and heating conversion zone A, B, C, D, E, F, is provided with heater in every section, and each section is provided with stock guide, and body of heater is connected with motor 201, by motor 201 drive bodies of heater, rotated, and then the rotation of drive stock guide.Because boiler tube inner surface is smooth, inside can be provided with continuous helical shape stock guide, can make like this to enter that material in body of heater is heated evenly, sufficient reacting, advance in order.The feed end of boiler tube and discharge end adopt combination sealing, can guarantee at high temperature to use the good sealing property of being association of activity and inertia for a long time again.Wherein, the stock guide in each boiler tube all can rotate together when motor 201 drives body of heater to rotate, and outside material is evenly overturn, also realizes the conveying to material, is about to mass transport to the conveying mouth that adds thermal reaction apparatus 20, to enter in cooling device 30.
In the present embodiment, the rotating speed of motor 201 can be set according to specific needs, particularly, can be according to time of heating setpoint etc. because being usually arranged to suitable speed, to guarantee that material is evenly being entered heating conversion zone A slowly successively by the section of preheating K, B, C, D, E, F, material is preheated after body of heater entering, can be under the drive of stock guide, Uniform Flow, the transmission forward of upset, and under the heating of heater homogeneous heating, and the final charging aperture R3 of cooling device 30 that enters from adding the discharging opening R2 of thermal reaction apparatus 20, in this whole process, material can thermally equivalent, improve the dehalogenation treatment effect of material in adding thermal reaction apparatus.After will be elaborated to dehalogenation reaction.Simultaneously, at the discharge end that adds thermal reaction apparatus, can set out hopper, by discharge bucket, the material of discharge be sent into cooling device, this discharge bucket place can arrange peep hole, to observe discharging situation, can control according to manual observation the temperature control etc. of charging rate, heating; And add thermal reaction apparatus inside and also can be provided with sensor, to detect the temperature of heating by sensor, can to heating power, adjust as required, with the temperature range of guaranteeing setting.
In the present embodiment, cooling device 30 specifically can adopt the types of cooling such as water-cooled or air be cooling, be that refrigerant is air or water, at this, be not particularly limited, wherein, as shown in Figure 1, the cooling storehouse of cooling device 30 specifically can adopt cooling boiler tube, and this cooling boiler tube is obliquely installed, and angle of inclination can be at 0-1 degree, and the charging aperture R3 of cooling boiler tube height, lower than the height of the discharging opening R4 of cooling boiler tube, passes through the pipeline communication of sealing between them; Wherein, in cooling boiler tube, be provided with spiral stock guide, and be connected with the motor of boiler tube end setting, to drive material to discharge from the discharging opening of cooling boiler tube under driven by motor, discharging opening can be arranged on behind the end of boiler tube near the position of end, and the present embodiment is not particularly limited.Wherein, cooling boiler tube tilting gearing, can be in the process of driven by motor stock guide, motion from lower to upper, and to realize the cooling processing to material, the discharging opening of the cooling boiler tube that the material that can make can be continuous is discharged; Meanwhile, can set out hopper in discharging one end of cooling boiler tube, and can peep hole be set at discharge bucket place, to artificially observe discharging situation, rotating speed that can be to motor, heating-up temperature, the speed of charging etc. is controlled.
In above-mentioned the utility model embodiment, the input and output material end adding the body of heater of thermal reaction apparatus, also can be provided with vibrator, with in heating material and transport process, can carry out intermittent control shaking, to avoid inboard wall of furnace body a large amount of materials that bond.
In above-mentioned the utility model embodiment, each motor, and heater etc. all can be connected with a controller, so that whole heating-up temperature, material transfer rate etc. is carried out to centralized Control, to improve the treatment effeciency to material.Certainly, can controller be set according to the needs of actual design yet, but according to design load, motor and heater heating be controlled.
In above-mentioned the utility model embodiment, as the body of heater that adds thermal reaction apparatus, can adopt lightweight refracrory to be made, wherein, skin can be ceramic fibre lightweight thermal insulation layer, inner heating part can be selected refractory fibre vacuum pouring combination semicircle module, to form spherical hearth, can there is good heating and energy-saving effect.
In above-mentioned the utility model embodiment, as shown in Figure 1, it is upper that each device all can be arranged on metal framework G, to utilize metal framework G to support each device.
In above-mentioned the utility model embodiment, add thermal reaction apparatus and cooling device and all can be connected with air inlet and gas exhaust piping, take by the gas of certain atmosphere is provided as its inside, to realize, under particular atmosphere condition, add thermal response and cooling processing, concrete set-up mode the present embodiment is not particularly limited.
In practical application, the above-mentioned body of heater that adds thermal reaction apparatus 20 can be also fixed body of heater, and this fixed body of heater inside is provided with to stir and advances oar, stirs and advances oar to be connected with motor, does not repeat them here.
Structure and the function of the above-mentioned treatment system that the utility model is provided are illustrated, below to utilizing the system that the utility model provides to describe POPs treatment of wastes produced process.
First, can be material and supply with motor, the charging rate that is electric pushrod charger is set, and to adding the speed that drives the motor of stock guide in thermal reaction apparatus, and in cooling device, drive the speed of the motor of stock guide to set desired value, for the heating power of heater is set desired value; Then, in the feeding warehouse in feed arrangement, add the POPs refuse that adds certain proportion catalyst, under promoting at charger, enter that to add the body of heater of thermal reaction apparatus inner; Enter the material of body of heater inside, under the rotary action of stock guide, transmission forward successively under heater heating, produces dehalogenation reaction simultaneously, finally from adding the discharging opening of thermal reaction apparatus, discharges, and enters in the boiler tube of cooling device; Enter material in boiler tube under the effect of stock guide, transmission forward successively, under action of circulating, cooling and discharge from discharging opening, thus can utilize continuous POPs refuse is processed of native system.
Wherein, in halo POPs refuse, the catalyst of interpolation is alkali metal oxide and/or alkaline earth oxide, is specifically as follows catalyst and is specially Na
2o, K
2one or more in O, MgO, CaO.And the mass ratio of catalyst and halo POPs refuse can be between 5%-60%.
Add under the temperature conditions that heating-up temperature in thermal reaction apparatus can maintain 200 ℃-600 ℃, preferably can maintain 350 ℃-550 ℃; Meanwhile, can pass through air inlet pipeline, make to add ambient oxygen content in thermal reaction apparatus and be under the atmospheric condition that is less than or equal to 1%, and under the drive of stock guide, material can carry out dehalogenation reaction 0.5 hour-5 hours therein.Wherein, atmospheric condition specifically can by air inlet pipeline pass into certain other other, or oxygen content is lower than 1% mist.Because body of heater heating-up temperature can be controlled in below 600 degree, therefore, with respect to existing, by for the high temperature of burning mode, this temperature is controlled simpler.
In cooling device, can pass into identical gas equally, make in cooling line, the material after can processing dehalogenation carries out cooling, and material can be cooled to below 150 ℃, to complete the treatment of wastes produced to POPs.
Above-mentioned POPs refuse specifically can refer to the polluting waste that comprises one or more POPs in PFOS and salt thereof, dioxin, Polychlorinated biphenyls, chlorobenzene class, chlorophenols, PBDE, tetrabromobisphenol A, Insecticides (tech) & Herbicides (tech).Above-mentioned dehalogenation reaction of carrying out in adding thermal reaction apparatus, specifically carries out dehalogenation by halides wherein, and concrete course of reaction does not repeat them here.
The system that the utility model embodiment provides, can realize halo POPs refuse is processed continuously, it is simple in structure, it is convenient to realize, the temperature of processing only needs below 600 degree, to carry out again, has and controls simply, and cost is low, the advantage that treatment effeciency is high, can be widely used in halo POPs treatment of wastes produced.
Finally it should be noted that: each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit above; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (8)
1. a halo POPs waste treatment system, is characterized in that, comprise feed arrangement, add thermal reaction apparatus and cooling device, wherein:
Described feed arrangement comprises feeding warehouse and conveyer, and described conveyer is used for the mass transport adding in described feeding warehouse to adding thermal reaction apparatus;
The described thermal reaction apparatus that adds comprises body of heater, and is the heater of described body of heater heating, and the mass transport mouth of described conveyer and the charging aperture of described body of heater are tightly connected;
Described cooling device comprises cooling storehouse, and described cooling storehouse adopts water or air as refrigerant, described in add between the discharging opening of thermal reaction apparatus and the charging aperture in described cooling storehouse and be tightly connected;
Described adding in thermal reaction apparatus and described cooling storehouse, all arranges stirring transmitting device.
2. halo POPs waste treatment system according to claim 1, is characterized in that, described conveyer is specially electric pushrod charger.
3. halo POPs waste treatment system according to claim 1, is characterized in that, described body of heater is specially swinging body of heater, and described body of heater inside is provided with as the continuous helical shape stock guide that stirs transmitting device, and described body of heater is connected with motor.
4. halo POPs waste treatment system according to claim 3, is characterized in that, described body of heater is divided into multistage, is provided with helical form stock guide in every section, and the motor being connected with each stock guide.
5. according to the arbitrary described halo POPs waste treatment system of claim 1-4, it is characterized in that, also comprise and preheat body of heater, be arranged on described conveyer delivery port and described in add between the charging aperture of thermal reaction apparatus, for the material to from conveyer transmission, preheat;
The described charging aperture of body of heater and the delivery port of described conveyer of preheating, and described in preheat body of heater discharging opening and described in add between the charging aperture of thermal reaction apparatus and be all tightly connected.
6. halo POPs waste treatment system according to claim 3, is characterized in that, described heater specifically irons aluminium heater strip for iron, is arranged on the inwall of body of heater.
7. halo POPs waste treatment system according to claim 1, is characterized in that, described cooling storehouse is specially cooling boiler tube, and described cooling boiler tube is obliquely installed, and the charging aperture height of described cooling boiler tube is lower than the height of the discharging opening of described cooling boiler tube.
8. halo POPs waste treatment system according to claim 1, is characterized in that, described body of heater is specially fixed body of heater, and described fixed body of heater inside is provided with to stir and advances oar, described stirring to advance oar to be connected with motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420016755.6U CN203764629U (en) | 2014-01-10 | 2014-01-10 | Halogenated POPs (Persistent Organic Pollutants) treating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420016755.6U CN203764629U (en) | 2014-01-10 | 2014-01-10 | Halogenated POPs (Persistent Organic Pollutants) treating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203764629U true CN203764629U (en) | 2014-08-13 |
Family
ID=51281877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420016755.6U Expired - Fee Related CN203764629U (en) | 2014-01-10 | 2014-01-10 | Halogenated POPs (Persistent Organic Pollutants) treating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203764629U (en) |
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2014
- 2014-01-10 CN CN201420016755.6U patent/CN203764629U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20190110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |