CN206783436U - A kind of accelerator - Google Patents
A kind of accelerator Download PDFInfo
- Publication number
- CN206783436U CN206783436U CN201720486048.7U CN201720486048U CN206783436U CN 206783436 U CN206783436 U CN 206783436U CN 201720486048 U CN201720486048 U CN 201720486048U CN 206783436 U CN206783436 U CN 206783436U
- Authority
- CN
- China
- Prior art keywords
- pond body
- reative cell
- annular
- accelerator according
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Filtering Materials (AREA)
- Filtration Of Liquid (AREA)
Abstract
A kind of accelerator is the utility model is related to, including：Pond body；Annular filter groove, the top being arranged in pond body, multiple dividing plates is provided with annular filter groove, are divided into multiple grid around the axis of pond body；Annular collecting vat, the top being arranged in pond body and is enclosed on outside annular filter groove, and annular collecting vat is connected by annular filter groove with the inside of pond body, and the leakage fluid dram with being located in pond body is connected；For removing multiple filter assemblies of oil removal, multiple filter assemblies are respectively provided in corresponding grid so that have filter assemblies in each grid.It can further in trap water suspension so that the suspension content of final outflow water reduces, and improves effluent quality.
Description
Technical field
A kind of the utility model field of sewage treatment equipment, and in particular to accelerator.
Background technology
Accelerator is water extraction is risen and is stirred using machinery, promotes sludge circulation, and make solid impurity in water
With established body refuse contact flocculation and the device of precipitation and separation.It is to be less than because industrial water is general for suspension requirement
10mg/L, therefore need to set filtration facility after usual accelerator processing water in Practical Project, to ensure industrial water
Water quality requirement, and in Industrial Wastewater Treatment, the requirement in present pollutant emission standard one-level A to suspension is also less than
10mg/L, therefore be also required in Practical Project to increase filtration facility after accelerator.So existing machinery stirs
Depositing reservoir is typically only used for pre-processing, and subsequently must be provided with filtration facility and just can guarantee that industry water standard and wastewater treatment go out
The requirement of water water quality.
Utility model content
Based on above mentioned problem, the purpose of this utility model is to provide accelerator, and it being capable of further trap water
In suspension so that the suspension content of final outflow water reduces, and improves effluent quality.
The utility model provides a kind of accelerator, and it includes：Pond body；Annular filter groove, it is arranged on the pond
Internal top, multiple dividing plates are provided with the annular filter groove, be divided into around the more of the axis of the pond body
Individual grid；Annular collecting vat, the top being arranged in the pond body and is enclosed on outside the annular filter groove, the annular collecting vat
It is connected by the annular filter groove with the inside of the pond body, and the leakage fluid dram with being located in the pond body is connected；With
In the multiple filter assemblies for removing oil removal, multiple filter assemblies are respectively provided in the corresponding grid so that each
All there are filter assemblies in the grid.
Preferably, the filter assemblies include the framework that can be arranged in the grid of the annular filter groove and covered in institute
The screen cloth in surrounding's open side of framework is stated, and the filtering material particle being filled between the screen cloth and framework.
Preferably, the space between the filtering material particle is tapered into water flow direction.
Preferably, the framework includes two relative side plates and the inner panel being connected with one end of the side plate, Yi Jiyu
The connected outside plate of the other end of the side plate, wherein the length or arc length of the outside plate are more than the length or arc length of the inner panel.
Preferably, the screen cloth is stainless steel mesh, and the filtering material particle is fiber-ball filter media.
Preferably, the particle diameter of the fiber-ball filter media includes 25mm, 30mm, 40mm and 50mm, between the fiber-ball filter media
Porosity be 95%~97%, charging quantity of the fiber-ball filter media in the filter assemblies is 60kg/m2~80kg/m2。
Preferably, the pond body includes low level reative cell, high-order reative cell, flow-guiding channel and separation chamber, the separation chamber
It is looped around outside the low level reative cell and high-order reative cell, the bottom of the separation chamber is connected with the low level reative cell, and its
Sidepiece with the high-order reative cell by being connected positioned at the flow-guiding channel between the two, and the annular collecting vat and the annular
Lautertuns is arranged at the top of the separation chamber.
Preferably, in addition to chemical feed pipe, water inlet pipe, mechanical agitator and the first blowoff valve, one end of the chemical feed pipe are stretched
Go out to outside the pond body, the other end is connected with the high-order reative cell；The water inlet pipe located at the pond body side wall on and
It is connected with the low level reative cell, the mechanical agitator has agitating paddle and lifting impeller in the pond body, described
First blowoff valve is connected with the bottom of the low level reative cell.
Preferably, the bottom of the separation chamber is additionally provided with body refuse enriched chamber, and the bottom of the body refuse enriched chamber is with being located at institute
The second blowoff valve stated in the side wall of pond body is connected.
Preferably, in addition to the deflector that is arranged in the flow-guiding channel.
, will by setting multiple filter assemblies in annular filter groove according to accelerator of the present utility model
The water outlet treated by pond body is once filtered again.Filter assemblies can be to by suspension remaining in the water of primary deposition
And the alumen ustum taken out of with water outlet carries out second interception sedimentation, to reduce out water suspension content.In addition, in Industrial Wastewater Treatment
In engineering, because waste water usually contains substantial amounts of oil, the oil in waste water also can be further retained by filter assemblies, to reduce out
Water oil content, improve effluent quality.In general, this accelerator may be such that the suspension content of water outlet by 10mg/L
~20mg/L is reduced to below 10mg/L so that and water outlet can disposably reach the pollutant emission standard of industrial wastewater, without
Follow-up filtration facility is set again, construction investment is reduced, takes up an area, reduce operating cost.In addition, this accelerator is not only
Suitable for industrial water purifying processing system and the new construction of industrial wastewater treatment system, and can be also widely applied at industrial water purification
The reconstruction and extension project of reason system and industrial wastewater treatment system, there is stronger practical value.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art.In all of the figs, it is similar
Element or part are typically identified by similar reference.In accompanying drawing, each element or part might not be according to the ratios of reality
Draw.
Fig. 1 is the structural representation according to the accelerator of the utility model embodiment；
Fig. 2 is the structural representation of the filter assemblies of the accelerator shown in Fig. 1.
Description of reference numerals：1st, pond body；2nd, annular collecting vat；3rd, filter assemblies；4th, low level reative cell；5th, high-order reaction
Room；6th, flow-guiding channel；7th, separation chamber；8th, chemical feed pipe；9th, water inlet pipe；10th, mechanical agitator；11st, the first blowoff valve；12nd, body refuse
Enriched chamber；13rd, deflector；14th, leakage fluid dram；15th, the second blowoff valve；16th, annular filter groove；301st, framework；302nd, screen cloth；
3011st, side plate；3012nd, inner panel；3013rd, outside plate.
Embodiment
The embodiment of technical solutions of the utility model is described in detail below in conjunction with accompanying drawing.Following examples are only
For clearly illustrating the technical solution of the utility model, therefore example is only used as, and this practicality can not be limited with this
New protection domain.
Fig. 1 is according to the structural representation of the accelerator of the utility model embodiment, as shown in figure 1, it is wrapped
Include：Pond body 1, the annular collecting vat 2 at the top being arranged in pond body 1, the and of annular filter groove 16 at the top being arranged in pond body 1
Multiple filter assemblies 3 in annular filter groove 16.Annular filter groove 16 is arranged on the top in pond body 1, annular filter groove
Multiple dividing plates are provided with 16, are divided into multiple grid around the axis of pond body 1.Annular collecting vat 2 is arranged on pond
Top in body 1 and it is enclosed on outside annular filter groove 16, and is set along the lateral wall of pond body 1, annular collecting vat 2 passes through annular mistake
Filter pocket 16 is connected with the inside of pond body 1, and is connected with the leakage fluid dram 14 being located in pond body 1.Filter assemblies 3, which are used to remove, to suspend
Thing, multiple filter assemblies 3 are respectively provided in corresponding grid so that have filter assemblies in each grid.
Filter assemblies 3 in annular filter groove 16 can be to by suspension remaining in the water of primary deposition and with water outlet
The alumen ustum taken out of carries out second interception sedimentation, and the clear water after the filtering of annular filter groove 16 is entered back into annular collecting vat 2, with drop
It is low go out water suspension content.In addition, in Industrial Wastewater Treatment engineering, waste water usually contains substantial amounts of oil, can also pass through filtering
Component 3 further retains the oil in waste water, to reduce water outlet oil content, improves effluent quality.It is sent into accelerator pond
The suspension content of pending raw water in body 1 is generally less than 1000mg/L, it is also possible to reaching 3000mg/L~5000mg/
L, the suspension content of the water after accelerator is handled are generally capable of up to 10mg/L~20mg/L, then by filtering
After component 3 filters, its suspension content can be reduced to below 10mg/L.When the content of suspension is less than 10mg/L, water outlet
The pollutant emission standard of industrial wastewater can just be reached, it is no longer necessary to follow-up filtration treatment facility is set, therefore reached
Reduce construction investment, reduce the purpose of operating cost.In addition, the piecemeal of filter assemblies 3 is arranged, it is arranged in each grid,
Can avoid because the volume of filter assemblies 3 is excessive, and caused by produce and install the problem of inconvenient.
As shown in Fig. 2 in the present embodiment, filter assemblies 3 include to be arranged in the grid of annular filter groove 16
Framework 301 and cover respectively in the screen cloth 302 around framework 301 in open side, and be filled in screen cloth 302 and framework 301 it
Between filtering material particle.Water can be flowed into filter assemblies 3 by screen cloth 302, and the suspension wherein carried can be filled
Filtering material particle further filters.Meanwhile in order to which the small suspension for being not easy precipitation removal is retained, the space between filtering material particle is also
It is arranged to as water flow direction tapers into so that in filter process, filtering layer space tapers into along water (flow) direction, meets
The up big and down small porosity distribution rule of preferable filtrate.
Framework 301 includes two relative side plates 3011 and the inner panel 3012, Yi Jiyu being connected with one end of side plate 3011
The connected outside plate 3013 of the other end of side plate 3011, the wherein length of outside plate 3013 or arc length are more than the length or arc of inner panel 3012
Long, to cause having certain angle between two side plates 3011, the angle is preferably 30 ° or 60 °.
Above-mentioned screen cloth 302 is stainless steel mesh, stainless steel mesh corrosion resistance and good, and intensity is high, pulling force, toughness and resistance to
Mill property is strong, durable in use, easy to maintenance simple.And above-mentioned filtering material particle is fiber-ball filter media, fiber-ball filter media is pricked by fiber
The spherical filtrate formed is tied, and iterative regenerable uses, and is not required to whole replacings, service life both saved dimension up to as many as 10 years
Repair expense and save maintenance time again.Fast so as to form filtering velocity, retaining power is big, good filtration effect, and renewable Reusability is time saving
The advantages that laborsaving.In addition, in order to reach optimal filter effect, the particle diameter of fiber-ball filter media comprises at least 25mm, 30mm, 40mm
With tetra- kinds of specifications of 50mm, the porosity between fiber-ball filter media is 95%~97%, filling of the fiber-ball filter media in filter assemblies 3
Measure as 60kg/m2~80kg/m2。
In the present embodiment, pond body 1 includes low level reative cell 4, high-order reative cell 5, flow-guiding channel 6 and separation chamber 7, high-order
Reaction tank 5 is located at the top of low level reaction tank 4, and separation chamber 7 is looped around outside low level reative cell 4 and high-order reative cell 5, separation chamber 7
Bottom be connected with low level reative cell 4, and its sidepiece with high-order reative cell 5 by being connected positioned at the flow-guiding channel 6 between the two,
And annular collecting vat 2 and annular filter groove 16 are all disposed within the top of separation chamber 7.Pending raw water, coagulating agent and body refuse exists
Flocculated in low level reative cell 4, then be transported in high-order reative cell 5 and continue to flocculate, form alumen ustum.Reacted in high-order reative cell 5
Raw water after enters separation chamber 7 through flow-guiding channel 6 again, and due to cross-section of river sudden enlargement, flow velocity rapidly reduces, and body refuse relies on
Gravity sinks to separating with clear water.Clear water flows up draws after the filtering of annular filter groove 16 from annular collecting vat 2.Sinking body refuse
Major part is back to low level reative cell 4 and circulates to form backflow body refuse, continues to participate in the flocculation reaction of raw water.
This mechanical clarifier also includes chemical feed pipe 8, water inlet pipe 9, the blowoff valve 11 of mechanical agitator 10 and first.Wherein, add
One end of pencil 8 is reached outside pond body 1, and the other end is connected with high-order reative cell 5 so that during water process is carried out
The medicament of coagulating agent can be directly added into high-order reative cell 5 by chemical feed pipe 8.Water inlet pipe 9 located at pond body 1 side wall on and with
Low level reative cell 4 is connected, for the pending raw water of dosing to be sent in low level reative cell 4.In addition, mechanical agitation
Device 10 has agitating paddle and lifting impeller in pond body 1, and for driving the drive device of agitating paddle and impeller.First
Blowoff valve 11 is connected with the bottom of low level reative cell 4, and body refuse unnecessary in low level reative cell 4 is discharged to outside pond body 1.
Preferably, the bottom of separation chamber 7 is additionally provided with body refuse enriched chamber 12, and the bottom of body refuse enriched chamber 12 is with being located at pond body 1
Side wall on the second blowoff valve 15 be connected.It is anti-to be that the body refuse after clear water separation can largely be back to low level in separation chamber 7
Room 4 is answered, circulates to form backflow body refuse, but another fraction body refuse enters behind body refuse enriched chamber through by the row of the second blowoff valve 15
Go out.In addition, in order to prevent the water for being either mechanically agitated the lifting of device 10 from producing eddy flow, and the water to being flowed through in flow-guiding channel 6 is carried out
Guiding, deflector 13 is additionally provided with the flow-guiding channel 6 of separation chamber 7.
In summary, the operation principle of accelerator of the present utility model is：By pending raw water by entering
Water pipe 9 is sent into the low level reative cell 4 of accelerator, under being acted on herein due to the agitating paddle of mechanical agitator 10,
Make pending raw water, medicament and a large amount of backflow body refuse Rapid contact mixing.In the completion automatic reaction of low level reative cell 4, and with
After original body refuse collides absorption once again in backflow body refuse, drop forms larger wadding grain, then is either mechanically agitated the lifting leaf of device 10
Wheel lifting continues flocculation reaction in high-order reative cell 5, forms good alumen ustum into high-order reative cell 5.Flocculating agent
High-order reative cell 5 can be added by chemical feed pipe 8.Hereafter, water flows to separation chamber 7 through flow-guiding channel 6 again and separated, and clear water rises
It is re-introduced into after being filtered to the filter assemblies 3 in annular filter groove 16 in annular collecting vat 12, part body refuse is under separation chamber 7
Portion is back to low level reative cell 4, circulates to form backflow body refuse, and part body refuse passes through the second blowdown into body refuse enriched chamber 12
The control discharge of valve 15, reaches the effect that raw water clarified separation removes oil removal.This accelerator in water, water to suspending
The strong adaptability of thing change in concentration, treatment effect is more preferable, and treatment effeciency is higher.
In the description of the present application, it is to be understood that the orientation or position of the instruction such as term " on ", " under ", " top ", " bottom "
It is based on orientation shown in the drawings or position relationship to put relation, is for only for ease of description the utility model and simplifies description, and
It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not intended that to limitation of the present utility model.
Although the utility model is described by reference to preferred embodiment, model of the present utility model is not being departed from
In the case of enclosing, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as not depositing
The every technical characteristic being previously mentioned in structural hazard, each embodiment can combine in any way.The utility model
It is not limited to specific embodiment disclosed herein, but all technical schemes including falling within the scope of the appended claims.
Claims (10)
- A kind of 1. accelerator, it is characterised in that including：Pond body；Annular filter groove, the top being arranged in the pond body, multiple dividing plates is provided with the annular filter groove, are separated To surround multiple grid of the axis of the pond body；Annular collecting vat, the top being arranged in the pond body and is enclosed on outside the annular filter groove, and the annular collecting vat leads to Cross the annular filter groove with the inside of the pond body to be connected, and the leakage fluid dram with being located in the pond body is connected；For removing multiple filter assemblies of oil removal, multiple filter assemblies are respectively provided in the corresponding grid, made Obtaining each has filter assemblies in the grid.
- 2. accelerator according to claim 1, it is characterised in that the filter assemblies include being arranged in Framework in the grid of the annular filter groove and cover in the screen cloth around the framework in open side, and be filled in described Filtering material particle between screen cloth and framework.
- 3. accelerator according to claim 2, it is characterised in that the space between the filtering material particle is with dampening Flow direction tapers into.
- 4. accelerator according to claim 2, it is characterised in that the framework includes two relative side plates The inner panel being connected with one end with the side plate, and the outside plate being connected with the other end of the side plate, wherein the outside plate Length or arc length are more than the length or arc length of the inner panel.
- 5. accelerator according to claim 2, it is characterised in that the screen cloth is stainless steel mesh, described Filtering material particle is fiber-ball filter media.
- 6. accelerator according to claim 5, it is characterised in that the particle diameter of the fiber-ball filter media includes 25mm, 30mm, 40mm and 50mm, the porosity between the fiber-ball filter media is 95%~97%, and the fiber-ball filter media is in institute It is 60kg/m to state the charging quantity in filter assemblies2~80kg/m2。
- 7. the accelerator according to any one of claim 1 to 6, it is characterised in that the pond body includes low Position reative cell, high-order reative cell, flow-guiding channel and separation chamber, the separation chamber are looped around the low level reative cell and high-order reaction Outdoor, the bottom of the separation chamber are connected with the low level reative cell, and its sidepiece passes through positioned at two with the high-order reative cell Flow-guiding channel between person is connected, and the annular collecting vat and the annular filter groove are arranged at the top of the separation chamber Portion.
- 8. accelerator according to claim 7, it is characterised in that also stirred including chemical feed pipe, water inlet pipe, machinery Device and the first blowoff valve are mixed, one end of the chemical feed pipe is reached outside the pond body, and the other end is connected with the high-order reative cell It is logical；The water inlet pipe is connected in the side wall of the pond body and with the low level reative cell, and the mechanical agitator, which has, to be set In the agitating paddle in the pond body and lifting impeller, first blowoff valve is connected with the bottom of the low level reative cell.
- 9. accelerator according to claim 8, it is characterised in that the bottom of the separation chamber is additionally provided with body refuse Enriched chamber, the bottom of the body refuse enriched chamber are connected with the second blowoff valve in the side wall of the pond body.
- 10. accelerator according to claim 9, it is characterised in that also include being arranged on the flow-guiding channel Interior deflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720486048.7U CN206783436U (en) | 2017-05-04 | 2017-05-04 | A kind of accelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720486048.7U CN206783436U (en) | 2017-05-04 | 2017-05-04 | A kind of accelerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206783436U true CN206783436U (en) | 2017-12-22 |
Family
ID=60710522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720486048.7U Active CN206783436U (en) | 2017-05-04 | 2017-05-04 | A kind of accelerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206783436U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289339A (en) * | 2020-03-24 | 2020-06-16 | 河北科瑞达仪器科技股份有限公司 | Water sample pretreatment method and pretreatment system |
| CN116199319A (en) * | 2023-05-05 | 2023-06-02 | 山东欧迈机械股份有限公司 | Waste water clarifier |
-
2017
- 2017-05-04 CN CN201720486048.7U patent/CN206783436U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289339A (en) * | 2020-03-24 | 2020-06-16 | 河北科瑞达仪器科技股份有限公司 | Water sample pretreatment method and pretreatment system |
| CN116199319A (en) * | 2023-05-05 | 2023-06-02 | 山东欧迈机械股份有限公司 | Waste water clarifier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201400628Y (en) | Down wastewater treatment system | |
| CN109133413A (en) | Industrial waste water purifying system and purification process based on air-float filtration processing | |
| CN105036485A (en) | Refuse leachate treatment system | |
| CN206783436U (en) | A kind of accelerator | |
| CN206720925U (en) | A kind of well mixed sanitary sewage disposal device of flocculant | |
| CN209740933U (en) | Domestic sewage nitrogen and phosphorus removal purification device | |
| CN205501073U (en) | Papermaking wastewater treatment system | |
| CN106517414A (en) | Equipment vehicle for purification treatment of oily sewage by dynamic membrane equipment | |
| CN109293079B (en) | Low-energy-consumption aeration circulation clarification tank | |
| CN208949075U (en) | Novel anaerobic reactor | |
| CN210559781U (en) | Suspension medium layer filtering system based on hydraulic flow state layering | |
| CN210543758U (en) | Sedimentation tank for water pollution treatment | |
| CN212283191U (en) | Filtering and precipitating coupling novel secondary precipitation tank system based on physicochemical biological synergy | |
| CN209052510U (en) | Sewage treatment high-efficient purification equipment | |
| CN210495346U (en) | Sedimentation tank | |
| CN209383596U (en) | A kind of combined type oilfield sewage treatment device | |
| CN210559782U (en) | Suspension medium layer filtering system based on mechanical stirring layering | |
| CN205398397U (en) | Integrated sewage treatment device | |
| CN209081658U (en) | It is percolated liquid processing device | |
| CN103641259B (en) | Desulfurization wastewater treatment device | |
| CN208218511U (en) | The processing unit of high-concentration sewage | |
| CN209098367U (en) | A kind of integrated form tunnel water treatment facilities | |
| CN208161103U (en) | A kind of sewage precipitation device | |
| CN206337056U (en) | A kind of equipment cart that oil-polluted water is handled using dynamic film device | |
| CN207175699U (en) | A kind of separator for Anaerobic Treatment papermaking wastewater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180409 Address after: 014010 the Inner Mongolia Autonomous Region Baotou City Queensland Steel Street Co-patentee after: HUATIAN NANJING ENGINEERING & TECHNOLOGY CORPORATION, MCC Patentee after: MCC HUATIAN BAOTOU DESIGN RESEARCH GENERAL INSTITUTE CO.,LTD. Address before: 014010 the Inner Mongolia Autonomous Region Baotou City Queensland Steel Street No. 45 Patentee before: Huatian Nanjing Engineering & Technology Corporation, MCC |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 014010 Steel Street, Kunqu District, Baotou, the Inner Mongolia Autonomous Region Co-patentee after: HUATIAN NANJING ENGINEERING & TECHNOLOGY CORPORATION, MCC Patentee after: Zhongye Northwest Engineering Technology Co.,Ltd. Address before: 014010 Steel Street, Kunqu District, Baotou, the Inner Mongolia Autonomous Region Co-patentee before: Huatian Nanjing Engineering & Technology Corporation, MCC Patentee before: MCC HUATIAN BAOTOU DESIGN RESEARCH GENERAL INSTITUTE CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190701 Address after: 014010 Steel Street, Kunqu District, Baotou, the Inner Mongolia Autonomous Region Patentee after: Zhongye Northwest Engineering Technology Co.,Ltd. Address before: 014010 Steel Street, Kunqu District, Baotou, the Inner Mongolia Autonomous Region Co-patentee before: Huatian Nanjing Engineering & Technology Corporation, MCC Patentee before: Zhongye Northwest Engineering Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |