CN206222335U - Liquid hazardous waste pretreatment unit - Google Patents
Liquid hazardous waste pretreatment unit Download PDFInfo
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- CN206222335U CN206222335U CN201620824885.1U CN201620824885U CN206222335U CN 206222335 U CN206222335 U CN 206222335U CN 201620824885 U CN201620824885 U CN 201620824885U CN 206222335 U CN206222335 U CN 206222335U
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- hazardous waste
- liquid hazardous
- pretreatment unit
- liquid
- danger wastes
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Abstract
The utility model is related to liquid hazardous waste pretreatment unit, for being pre-processed to liquid hazardous waste.The liquid hazardous waste pretreatment unit includes：Receiver, the receiver is used to receive liquid hazardous waste and the liquid hazardous waste to being received is separated；Mulser, the mulser is used to be emulsified the liquid object isolated from receiver；And measuring and dispensing system, the measuring and dispensing system is for by the liquid object metered injection after emulsification to CIU.According to liquid hazardous waste pretreatment unit of the present utility model, the liquid hazardous waste that can enter CIU be anticipated, to cause that material burn fully in CIU, fuel stabilization and efficiency raising.
Description
Technical field
The utility model is related to a kind of processing unit of danger wastes, pre- more particularly, to a kind of liquid hazardous waste
Processing unit.
Background technology
Continued to develop as modern society is industrialized, the discarded object especially danger wastes produced in plant produced
It is increasing, hazardous waste is counted according to National Hazard waste register and is divided into 49 classes kind more than 3000, wherein the overwhelming majority is preferably used
Burning mode carries out decrement treatment.
The precondition that material can thoroughly be burned in stove is：1. speed is burned relatively uniform；2. Lower heat value is relative
It is unified；3. violent detonation reaction can not occur；
The physicochemical property fluctuation range of hazardous waste is larger, and such as the fluctuation range of quality is several milligrams~15 kilograms or so；
Moisture content fluctuation range is 0~70%；The fluctuation range of calorific value is 600 kilocalorie~1000 kilocalories.It is such as solid and physical aspect is different
State, liquid, paste, powdery etc., and during incompatible material mixture, there is vigorous reaction often, produce pernicious gas or detonation thing
Therefore.
Be simply mixed collocation using material at present to be sent directly into by the way of incinerator burning, before incinerator is entered not
Targetedly pre-processed, caused to burn that effect is unstable, burn-off rate is relatively low, caused that vent gas treatment difficulty is big, discharge is difficult
Content of organic matter grade problem of environmental pollution high up to standard, being burnt incompletely in lime-ash.
But problems of the prior art are, various materials are not pre-processed respectively, and cause to burn effect
Fruit and combustion stability be not good enough.For especially for liquid hazardous waste, because it has generally comprised other all kinds
Material (such as solid matter), and compatible, therefore final influence may can not be carried out between liquid hazardous waste
Firing efficiency.
Utility model content
The purpose of this utility model is to provide a kind of liquid hazardous waste pretreatment unit, and it can overcome prior art
Certain or some defects.
The utility model specifically provides a kind of liquid hazardous waste pretreatment unit, for liquid hazardous waste
Pre-processed, it is characterised in that the liquid hazardous waste pretreatment unit includes：
Receiver, the receiver is carried out for receiving liquid hazardous waste and the liquid hazardous waste to being received
Separate；
Mulser, the mulser is used to be emulsified the liquid object isolated from receiver；And
Measuring and dispensing system, the measuring and dispensing system is used in the liquid object metered injection after emulsification to CIU.
According to liquid hazardous waste pretreatment unit of the present utility model, the liquid that can will enter CIU is dangerous
Discarded object is anticipated, with cause material burn in CIU fully, fuel stabilization and efficiency raising.
In a specific embodiment, liquid hazardous waste pretreatment unit also includes blender, blender connection
Between receiver and mulser, for carrying out mixture to the liquid object from receiver.
In a specific embodiment, liquid hazardous waste pretreatment unit also includes conveying device, for will be from liquid
The solid-state danger wastes filtered out in state danger wastes carry out pre- place in being introduced into solid-state danger wastes pretreatment unit
Reason.The treatment of liquid hazardous waste can so be caused easily to be carried out and burns more complete.
Further, liquid hazardous waste pretreatment unit also includes storage tank, and storage tank is connected to mulser and matches somebody with somebody with metering
Send between system, for keeping in the mixed waste liquor after emulsification.
Preferably, the quantity of storage tank is three, respectively dangerous for keeping in the liquid of high heating value, middle calorific value and low heat value
Discarded object.Liquid hazardous waste after by treatment is deposited respectively by calorific value height, can easily with other things
The danger wastes of state carry out calorific value compatibility together.
In a specific embodiment, receiver is filter, is filtered for liquid hazardous waste.By using
The structure of filter, can make processing cost reduction but processing accuracy is improved.
Further, filter is multistage filter, for filtering out including not in liquid hazardous waste respectively
With the material of size.The processing accuracy of liquid hazardous waste can so be further provided for.
Brief description of the drawings
The utility model is further detailed with reference to the accompanying drawings and examples：
Fig. 1 is the general illustration according to danger wastes pretreatment system of the present utility model；
Fig. 2 shows the meal material danger wastes pretreatment unit in Fig. 1；
Fig. 3 shows the solid-state danger wastes pretreatment unit in Fig. 1；
Fig. 4 shows the extraordinary danger wastes pretreatment unit in Fig. 1；And
Fig. 5 shows the liquid hazardous waste pretreatment unit in Fig. 1.
Specific embodiment
The utility model is further described in conjunction with drawings and Examples.These accompanying drawings are only illustrated in a schematic manner
Basic structure of the present utility model, therefore only show the construction relevant with the utility model.
Fig. 1 generally show the schematic diagram according to danger wastes pretreatment system of the present utility model, and it is mainly wrapped
Include meal material danger wastes pretreatment unit 1, solid-state danger wastes pretreatment unit 2, extraordinary danger wastes pretreatment
Unit 3 and liquid hazardous waste pretreatment unit 4, they are respectively used to meal material danger wastes, solid-state dangerous waste
Thing, extraordinary danger wastes and liquid hazardous waste are pre-processed.
Herein, meal material danger wastes refer to its most of material for being included size less than or equal to 50 ×
50 × 80mm, such as particulate material or powder danger wastes；Solid-state danger wastes generally refer to size more than 50 × 50 ×
The solid-state danger wastes of 80mm.
Paste danger wastes are generally sticky semisolid, and feature is sticky strong and poor fluidity, major part tool
Irritant smell and with toxicity.The paste danger wastes of organic are relatively conventional, wherein the content of benzene, phenol and chlorine compared with
Height, for example, paint.
Also there are some paste danger wastes under normal temperature state (less than 20 DEG C) in solid-state, presented after temperature is uprised
Mobility and becoming relatively is glued (such as soften at 30 DEG C), for example essence, the residue of distillation.
The characteristics of extraordinary danger wastes is more active chemical property, is easily reacted with other materials, and is had
There are strong oxidizing property, hypertoxicity or explosive, such as trivalent cobalt salt, peroxide, cyanide, perhalide etc..
Further below with reference to accompanying drawing, each to the danger wastes pretreatment system of implementation method of the present utility model
Unit is described in detail.
Fig. 2 shows meal material danger wastes pretreatment unit 1.The meal material danger wastes pretreatment unit 1 is used
In a small amount of solid-state danger wastes included in meal material danger wastes are separated, for example, it is contained in the modeling in meal material
The objects such as material, packing case.
The meal material danger wastes pretreatment unit 1 includes that meal material receives storehouse 11, meal material belt conveyor 12, sub-material
Sieve 13, screenings belt conveyor 14, oversize belt conveyor 15 and screenings feed bin 16.
Meal material receives storehouse 11 to be used to receive the meal material danger wastes shipped from outside.Meal material belt conveyor 12
(the meal material belt conveyor is by climbing belt) is used to meal material be received the meal material received in storehouse 11 and be transported to be located to divide
In elevator (not shown) before material screen (such as drum screen) 13, and meal material danger wastes pass through the elevator
It is thus lifted in sizing screen 13.Sizing screen 13 is used to sieve meal material, and (fines, it is dangerous useless that it accounts for meal material to screenings
The major part of gurry) it is transported in screenings feed bin 16 via screenings belt conveyor 14, (coarse fodder, it is only accounted for slightly oversize
The sub-fraction of powder danger wastes) via oversize belt conveyor 15 and belt conveyor 21 to be transported to solid-state dangerous useless
Processed again in gurry pretreatment unit 2 (be broken).
Meal material danger wastes pretreatment unit also includes desiccation machine (not shown), for by inorganic sludge class thing
Matter carries out desiccation (drying) treatment.Specifically, before desiccation machine is arranged on meal material reception storehouse 11, for 70-80% will to be contained
The inorganic sludge class material of moisture carry out desiccation, being transported to meal material by the inorganic sludge class material of drying and other treatment receives
Storehouse 11.
Meal material danger wastes pretreatment unit 1 also includes tramp iron separator (not shown).The tramp iron separator includes endless-belt,
The endless-belt is moved around oversize belt conveyor 15.Electromagnet is provided with above endless-belt, by oversize
Iron be adsorbed onto on the endless-belt.When endless-belt runs to the top of oversize belt conveyor 15, will be sieved by magnetic force
Iron in upper thing is adsorbed onto on endless-belt, when endless-belt runs to the lower section of oversize belt conveyor 15, due to magnetic force
Disappear, therefore the iron for being adsorbed falls from endless-belt and is separately collected.
Fig. 3 is shown for Large Solid State danger wastes to be carried out with broken solid-state danger wastes pretreatment unit 2.
The solid-state danger wastes pretreatment unit 2 includes that elevator 22, disintegrating machine 23 (are in the present embodiment shearing
Formula disintegrating machine, and two are set to altogether) and solid-state danger wastes belt conveyor 24.
Need broken solid-state danger wastes that danger wastes are pressed into wanting for compatibility calculating by warehousing system and fork truck
Seek out, be fed in shear crusher 23 by elevator 22 and processed, the grain of the solid-state danger wastes after crushing
Footpath is less than or equal to 50 × 50 × 80mm.Solid-state danger wastes after broken pass through the He of solid-state danger wastes belt conveyor 24
Collect belt 25 to be transported in agitating device (not shown), and (come from meal material danger wastes in agitating device
Stored screenings in screenings feed bin 16) and paste danger wastes (heated dissolve after paste danger wastes)
It is transported in storage warehouse 6 after being molded together.
The disintegrating machine 23 of solid-state danger wastes pretreatment unit 2 also includes dust-precipitator (not shown), broken for collecting
During the dust that produces, and by the collected dust with it is broken after solid-state danger wastes together be transported to storage warehouse 6
In without carrying out outer row.
From screenings feed bin 16 be transported to meal material danger wastes and collect belt 25 by the calorific value compatibility according to Central Control Room.
Meanwhile, (addition lime is presetting to play to be provided with lime feeding device (such as on agitating device) before storage warehouse 6
The effect of pH value), the lime from lime silo 5 is passed through into metering according to the calorific value compatibility of Central Control Room by the lime feeding device
Equipment is added.
Although not shown in figure, including that paste is dangerous useless according to danger wastes pretreatment system of the present utility model
Gurry pretreatment unit.The paste danger wastes pretreatment unit mainly includes heater and filter.
Paste danger wastes from warehousing system are transported in heater together with container and are added
Heat.Heater is for example heated by electrically heated mode to the container for being contained with paste danger wastes, so that
The paste danger wastes in solid-state or semisolid that will be held in a reservoir are changed into mobility by force and are difficult what it was contacted
Object forms the liquid for bonding.
Then, the paste danger wastes being in a liquid state are poured into filter from container.In the filter, to heating
Paste danger wastes afterwards are filtered to carry out separation of solid and liquid.The paste danger wastes being in a liquid state are transported to solid-state danger
Carried out into together with solid-state danger wastes and meal material danger wastes in the agitating device of dangerous discarded object pretreatment system
Type.Solid matter included in paste danger wastes is transported to the disintegrating machine in solid-state danger wastes pretreatment unit
Carry out break process.
Fig. 4 shows extraordinary danger wastes pretreatment unit 3, and the extraordinary danger wastes pretreatment unit 3 includes dividing
Chartered plane 31,32 and suspention supply unit 7.Subpackaging machine 31,32 is used to that the extraordinary danger wastes for transporting will to be concentrated to be dispensed
(being separately packaged into inner wrapping, for example, be dispensed into small air-tight bottle or tank), and the inner wrapping after packing is extraordinary dangerous useless
Gurry is transported in CIU by suspending supply unit 7 in midair.
The inner wrapping special type danger wastes for having dispensed are stored at storage part 33.
Inner wrapping special type danger wastes are transported in suspention supply unit 7 at predetermined intervals by distributor 34,
It is transported in CIU via suspention supply unit 7 again and is burned.
In the present embodiment, distributor 34 is rotating disk distributor.The rotating disk distributor 34 includes multiple separated from one another
Receiving chamber, convey the inner wrapping for coming special type danger wastes from storage part 33 to receive in receiving chamber.The rotating disk is distributed
Device 34 is rotated with certain speed, and it is single that the inner wrapping special type danger wastes that will be received are assigned to suspention conveying in batches
In unit 7.
Suspention supply unit 7 is in the present embodiment suspended chain supply unit, and it can also be other types of certainly
Supply unit.
Suspention supply unit 7 mainly includes suspention case 71 and suspended chain 72.Suspended chain 72 is circulated fortune with certain speed
It is dynamic.Suspention case 71 is suspended in suspended chain 72 to transport the packaging special type danger wastes come from the distribution of rotating disk distributor 34.
It is allocated to the process suspended in midair in supply unit 7 such as from the inner wrapping special type danger wastes at storage part 33
Under：Inner wrapping special type danger wastes are respectively delivered in each receiving chamber of rotating disk distributor 34；Rotating disk distributor 34 is taken
Rotated with inner wrapping special type danger wastes；The speed of service of rotating disk distributor 34 is configured to the fortune with suspended chain 72
Scanning frequency degree is consistent, so as to be suspended in midair when one of them during the position where case 71 reaches rotating disk distributor 34, in rotating disk distributor 34
During entrained inner wrapping special type danger wastes fairly fall in the suspention case 71 from slide carriage, inner wrapping is thus carried out extraordinary dangerous
Distribution in discarded object to suspention case 71.
Suspended chain 72 carries suspention case 71 and runs in an annular fashion, and when suspention case 71 reaches the kiln of CIU
When at first 8, lance (not shown) is provided with kiln hood 8, the lance bumps against the bottom of suspention case 32 with so that suspention case 71 is turned over
Turn, so that inner wrapping therein special type danger wastes are fallen into kiln hood 8, then suspend case 71 in midair by gravity reduction, and after
Continuous operation downwards transports inner wrapping special type danger wastes to circulate.
Fig. 5 shows liquid hazardous waste pretreatment unit 4.Liquid hazardous waste pretreatment unit 4 is used for liquid
State danger wastes are pre-processed, so that liquid hazardous waste is sufficiently mixed consequently facilitating burning.
The liquid hazardous waste pretreatment unit 4 mainly includes receiver 41 (for example, filtering tank), blender 42, breast
Change machine 43 and measuring and dispensing system 44.
Receiver 41 is used to for liquid hazardous waste to carry out multiple times of filtration, the filtering of such as four to Pyatyi.Single filter
For example, scalping net filtration, to filter out cloth and paper included in liquid hazardous waste etc..The filter screen example of cascade filtration
It is such as 50 mesh, to filter silt that liquid hazardous waste is included etc..The filter screen of three-stage filtration is, for example, 100 mesh, to filter
Relatively crude material.The filter screen of level Four filtering is, for example, 200 mesh.
Its screen pack will take out and cleaned receiver upon completion of filtration, then recycle safe waste liquid to be filtered,
To ensure safety problem during operation.
The solid-state danger wastes filtered out from liquid hazardous waste carry out break process in being introduced into disintegrating machine.
Being introduced into by the liquid hazardous waste after filtering carries out mixture in blender 42.
It is introduced in mulser 43 by the liquid hazardous waste after mixture.It is dangerous to liquid useless in mulser 43
Gurry is emulsified, and particularly, liquid hazardous waste carries out high speed centrifugation motion in mulser, and molecule is cut to
Its emulsification.
It is temporary in storage tank 45,46 and 47 through the liquid hazardous waste (mixed waste liquor) after emulsification, these three storage tanks
It is respectively used to the different liquid hazardous waste of temporary calorific value.It is transported in incinerator when from storage warehouse 6 and suspention supply unit 7
Material calorific value it is relatively low when, measuring and dispensing system 44 takes out liquid from the storage tank of high heating value liquid hazardous waste is stored
Danger wastes carry out compatibility therewith, to cause the calorific value of the material in incinerator uniform such that it is able to realize that material fully fires
The purpose of burning, conversely, when the calorific value of the material in incinerator is transported to from storage warehouse 6 and suspention supply unit 7 is higher, metering
Delivery system 44 can take out liquid hazardous waste from the storage tank of low heat value liquid hazardous waste is stored and carry out therewith
Compatibility.In addition, can also realize the compatibility of material calorific value by adjusting the dispatching speed of measuring and dispensing system 44.
For air-tight state and equipped with ventilating system, ventilating system is provided with activated carbon to the danger wastes pretreatment system
Adsorbent equipment, so that pernicious gas will not be excessive, can fully prevent surrounding environment to be contaminated.
In the pretreatment of danger wastes of the present utility model, these meal material dangerous wastes are carried out for the transport from outside
Thing, solid-state danger wastes, paste danger wastes and liquid hazardous waste, are carried out composition in advance in Central Control Room first
Detect and heat compatibility carried out to these danger wastes by Central Control Room, with cause with batch burned into incinerator this
There is compatibility between a little materials, so that ensure the security of burning process, while also to cause to enter each batch of thing of incinerator
The calorific value of material has stability such that it is able to keep fully burning.
Refer to that two kinds and the mixing of above danger wastes should prevent situations below for the compatibility of material：Produce
Amount of heat or high pressure, produce flame, occur blast, produce inflammable gas, produce toxic gas, violent polymerisation and
The dissolving of noxious material.In addition to the compatibility between material, the compatibility between material and container is also should ensure that.
Refer to that compatibility is carried out to material for the stability of material calorific value, so that the calorific value of material is as far as possible between certain
In the range of reducing the consumption of auxiliary fuel.The calorific value of material not only influences the consumption of the auxiliary fuel of incinerator, can also shadow
Ring the disposal ability of incinerator.Calorific value is too low, it is necessary to start auxiliary fuel system so that trash burning completely, causes operating cost
Increase；Calorific value is too high, is difficult to control to incinerator furnace temperature, and setting needs to limit furnace temperature with inert substance (excess air, water etc.),
Decline disposal ability simultaneously.Therefore the calorific value of material needs control in an appropriate scope, it is ensured that the warp of system operation
Ji is reliable.
When compatibility is carried out to material, it is also noted that several situations below：
1) content of acid contaminant is controlled.Control acid contaminant content with ensure CIU normal operation and
The qualified discharge of tail gas.Halogenated organic not only influences the calorific value of waste, also influence trash burning after content of acid gas and
The operation of smoke processing system, controls the unreasonable generation for also easily causing chlorine, and its corrosivity is bigger.Meanwhile, should during operation
Labor is carried out to material, hazardous waste high to those content of halogen, quantity is big should try one's best and uniformly burn, and should control whole
Body quantity.
2) content of heavy metal is controlled, to ensure the normal operation of CIU and the qualified discharge of tail gas when burning.
Organic heavy metal class material should control overall quantity uniformly to enter stove burning.Due to the toxicity characteristic of these wastes, typically using bucket
The mode that shape waste enters stove is processed, and can be controlled in each content and number of times.
3) content of phosphorus is controlled.Phosphorus is mainly organic phosphorus compound in hazardous waste, burns the P2O5 for producing at 400-700 DEG C
The corrosion for increasing can be produced to metal, if not controlling the content of phosphorus, waste heat boiler service life can be greatly shortened.
4) uncontrollable discharge of smell substance is reduced.The hazardous waste larger for peculiar smell, what can directly be burned should be reduced
Its compatibility is operated.Not directly burn, strictly to control to be volatilized during its compatibility.
Certainly, described above is not that, to limitation of the present utility model, the utility model is also not limited to the example above,
Change, remodeling, addition or replacement that those skilled in the art are done in essential scope of the present utility model, should also belong to
In protection domain of the present utility model.
Claims (7)
1. a kind of liquid hazardous waste pretreatment unit, for being pre-processed to liquid hazardous waste, it is characterised in that
The liquid hazardous waste pretreatment unit includes：
Receiver, the receiver is used to receive liquid hazardous waste and the liquid hazardous waste to being received is divided
From；
Mulser, the mulser is used to be emulsified the liquid object isolated from receiver；And
Measuring and dispensing system, the measuring and dispensing system is used in the liquid object metered injection after emulsification to CIU.
2. liquid hazardous waste pretreatment unit according to claim 1, it is characterised in that also including blender, should
Blender is connected between receiver and mulser, for carrying out mixture to the liquid object from receiver.
3. liquid hazardous waste pretreatment unit according to claim 1, it is characterised in that also including conveying device,
Pre-processed for the solid-state isolated from receiver danger wastes to be introduced into solid-state danger wastes pretreatment unit.
4. liquid hazardous waste pretreatment unit according to claim 1, it is characterised in that also including storage tank, storage tank
It is connected between mulser and measuring and dispensing system, for keeping in the mixed waste liquor after emulsification.
5. liquid hazardous waste pretreatment unit according to claim 4, it is characterised in that the quantity of storage tank is three
It is individual, respectively for keeping in the liquid hazardous waste of high heating value, middle calorific value and low heat value.
6. liquid hazardous waste pretreatment unit according to claim 1, it is characterised in that receiver is filter,
Filtered for liquid hazardous waste.
7. liquid hazardous waste pretreatment unit according to claim 6, it is characterised in that filter is multistage filtering
Device, for filtering out the different size of material included in liquid hazardous waste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620824885.1U CN206222335U (en) | 2016-08-01 | 2016-08-01 | Liquid hazardous waste pretreatment unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620824885.1U CN206222335U (en) | 2016-08-01 | 2016-08-01 | Liquid hazardous waste pretreatment unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206222335U true CN206222335U (en) | 2017-06-06 |
Family
ID=58780377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620824885.1U Active CN206222335U (en) | 2016-08-01 | 2016-08-01 | Liquid hazardous waste pretreatment unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206222335U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553272A (en) * | 2019-07-30 | 2019-12-10 | 济宁阳光化学有限公司 | solid waste incineration treatment method |
| CN116606673A (en) * | 2023-05-26 | 2023-08-18 | 镇江普境新能源科技有限公司 | Preparation process of hazardous waste disposal derived fuel |
-
2016
- 2016-08-01 CN CN201620824885.1U patent/CN206222335U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553272A (en) * | 2019-07-30 | 2019-12-10 | 济宁阳光化学有限公司 | solid waste incineration treatment method |
| CN116606673A (en) * | 2023-05-26 | 2023-08-18 | 镇江普境新能源科技有限公司 | Preparation process of hazardous waste disposal derived fuel |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180814 Address after: 100124 floor 15, Jin Changan block C, 82 East Fourth Ring Road, Chaoyang District, Beijing. Patentee after: Beijing Beikong Environmental Protection Engineering Co. Ltd. Address before: 15 floor, block C, Jin Changan building, 82 Central Road, East Fourth Ring Road. Co-patentee before: Beikong Annai Environmental Technology Development Co., Ltd. Changzhou Patentee before: Beijing Beikong Environmental Protection Engineering Co. Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200407 Address after: 213127, Changzhou, Jiangsu Province town of new North Wei Village Riverside Industrial Park Patentee after: BEIKONG ANNAIDE ENVIRONMENT TECHNOLOGY DEVELOPMENT CHANGZHOU Co.,Ltd. Address before: 100124 C building, No. 15, Jin Changan building, 82 Middle East Fourth Ring Road, Beijing, Chaoyang District Patentee before: BEIJING ENTERPRISES HOLDINGS ENVIRONMENT TECHNOLOGY Co.,Ltd. |