CN108545907A - A kind of municipal sludge collection pre-processing device - Google Patents
A kind of municipal sludge collection pre-processing device Download PDFInfo
- Publication number
- CN108545907A CN108545907A CN201810417629.4A CN201810417629A CN108545907A CN 108545907 A CN108545907 A CN 108545907A CN 201810417629 A CN201810417629 A CN 201810417629A CN 108545907 A CN108545907 A CN 108545907A
- Authority
- CN
- China
- Prior art keywords
- box
- sludge
- processing device
- box ontology
- municipal sludge
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
Abstract
The present invention relates to a kind of municipal sludges to collect pre-processing device, belongs to municipal sludge deodorization collection and transporting equipment, and in particular to a kind of municipal sludge separator comprising sewage sludge storage case, separating mechanism, sludge collection box and residue collection case；Separating mechanism includes box-like body, box ontology inner roof wall is installed with compression assemblies, lower port is hinged with capping, one side wall of box ontology is equipped with the mud inlet being connected with sludge storage box, filter hole is offered on its excess-three side wall of box ontology, compression assemblies include extensible member and are set to the tubular casting die of extensible member free end, and the outer wall of tubular casting die is bonded with the side wall of box ontology；It is hinged with unlatching in capping and closes part, the filter residue import of residue collection case is corresponding with box ontology lower port, reasonable design of the present invention, compact-sized, separative efficiency is high, it is applied widely, safeguard simple, can be very good the separation for realizing the big rubbish of volume in municipal sludge.
Description
Technical field
The present invention relates to municipal sludge deodorization collection and transporting equipment more particularly to a kind of municipal sludge separators.
Background technology
It is well known that the sanitary sewage, garbage and rainwater etc. in city can be all discharged into sewer, although
Sewer mouth has grid to prevent big rubbish from entering sewer, but is inevitable, since grid and well cover for sewer lack
Mistake and artificial origin, cause the large volumes rubbish such as refuse bag, solid refuse to enter in sewer, at sewer water purification
During reason, a large amount of sludge is will produce, and the Treatment of Sludge for existing for the later stage of large volume rubbish increases difficulty.
Invention content
Technical problem to be solved by the invention is to provide a kind of cities that can efficiently separate large volume rubbish in sludge
Sludge separation apparatus.
To solve the above problems, the technical solution used in the present invention is：
A kind of municipal sludge collection pre-processing device comprising sewage sludge storage case, separating mechanism, sludge collection box and filter residue are received
Header, the separating mechanism are connected with the sewage sludge storage case, sludge collection box with residue collection case respectively；
The separating mechanism includes box-like body, and the box ontology inner roof wall is installed with compression assemblies, and lower port is hinged with envelope
Lid, a side wall of the box ontology are equipped with the mud inlet being connected with the sludge storage box, the box ontology its
Filter hole is offered on excess-three side wall, the compression assemblies include extensible member and are set to the tubular of the extensible member free end
Casting die, the outer wall of the tubular casting die are bonded with the side wall of the box ontology；
It is enclosed equipped with mud guard on the side wall for offering filter hole, the dirt of the end of the mud guard and the sludge collection box
Mud import is fixedly connected, and forms mud discharging channel, and being hinged with unlatching in the capping closes part, the filter of the residue collection case
Slag import is corresponding with the box ontology lower port.
Further, the extensible member is to squeeze cylinder, the end of the extrusion piston bar for squeezing cylinder and the cylinder
The interior bottom of shape casting die is fixed, and dredging ball corresponding with the filter hole is provided on the outer tube wall of the tubular casting die, described
Ball is dredged in the groove on the outer tube wall, the slot bottom of the groove is equipped with compression spring, the free end of the compression spring and
The dredging ball is inconsistent.
Further, it includes folding cylinder and connecting rod that the unlatching, which closes part, the folding piston rod of the folding cylinder with
Described connecting rod one end is hinged, and the other end of the connecting rod is hinged with the capping.
Further, it is provided with connecting plate between the box ontology and the residue collection case, is set on the connecting plate
It is equipped with capping resigning mouthful.
Further, the folding cylinder is fixed on by cylinder fixed seat on the residue collection case.
Further, filter screen is provided in the residue collection case, the bottom of the residue collection case is provided with export
Pipe, the delivery line are connected with pump, dredging tube are provided on the pump, and the dredging tube is connected with the sludge collection box.
Further, aperture is more than internal aperture outside the cross section of the filter hole.
Further, the notch of the groove is less than the diameter of the dredging ball.
It is using advantageous effect caused by above-mentioned technical proposal：
Municipal sludge separator provided by the present invention can fast implement large volume rubbish and sludge by compression assemblies
Separation, large volume rubbish are covered by opening, extrude box-shaped body under the action of compression assemblies, fall into residue collection case, dirty
Mud is extruded from the filter hole on the side wall of box-shaped body into sludge collection box.
Tubular casting die of the present invention realizes opening and closing automatically for mud inlet, while passing through during declining and packing up
Dredging ball springs into filter hole the dredging for realizing filter hole, avoids the blocking of filter hole, ensures the operation of device.
Have filter screen that can further be desilted in residue collection case provided by the present invention, the sludge under filtering by
It is pumped into sewage sludge storage case.
Device reasonable design provided by the present invention, compact-sized, separative efficiency is high, it is applied widely, safeguard it is simple, can
To realize the separation of the big rubbish of volume in municipal sludge well.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is that the present invention removes the structural schematic diagram after connecting plate；
Fig. 3 is that the present invention removes the structural schematic diagram after mud guard and connecting plate；
Fig. 4 is sectional view of the present invention into sludge state；
Fig. 5 is the sectional view that the present invention excludes large volume rubbish state；
Fig. 6 is A partial enlarged views；
In the accompanying drawings：1 sewage sludge storage case, 21 box ontologies, 22 extensible members, 23 extrusion piston bars, 24 tubular casting dies, 241 grooves,
25 filter hole, 26 mud inlets, 27 cappings, 28 dredging balls, 3 folding cylinders, 31 folding piston rods, 32 hinged shafts, 33 connecting rods, 34 pins
Axis, 35 cylinder fixed seats, 4 sludge collection boxes, 41 sludge imports, 42 gas transmission pipelines, 43 suction ventilators, 44 energy ion processings
Device, 5 residue collection casees, 51 filter residue imports, 53 delivery lines, 6 mud guards, 7 connecting plates, 71 resigning mouthfuls, 8 pumps, 9 dredging tubes.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, invention is carried out with reference to specific embodiment
Clear, complete description.
A kind of municipal sludge as shown in figure 1-5 collects pre-processing device comprising sewage sludge storage case 1, seperator
Structure, sludge collection box 4 and residue collection case 5, the separating mechanism respectively with the sewage sludge storage case 1, sludge collection box 4 and filter
Slag collecting box 5 is connected.
The separating mechanism includes the box-like body 21 being obliquely installed, and the roof in the box ontology 21 is installed with extruding
Component, lower port are hinged with capping 27, and a side wall of the box ontology 21 is equipped with to be connected with the sludge storage box 1
Mud inlet 26, offer filter hole 25 on its excess-three side wall of the box ontology 21, the compression assemblies include extensible member
22 and it is set to the tubular casting die 24 of 22 free end of the extensible member, the outer wall of the tubular casting die 24 and the box ontology 21
Side wall fitting；The extensible member is to squeeze cylinder 22 or hydraulic cylinder, described to squeeze in the present embodiment to squeeze cylinder
The end of the extrusion piston bar 23 of air cylinder 22 and the interior bottom of the tubular casting die 23 are fixed.
Dredging ball 28 corresponding with the filter hole 25 is provided on the outer tube wall of the present embodiment tubular casting die 23, it is described
Ball 28 is dredged in the groove 241 on the outer tube wall, the slot bottom of the groove 241 is equipped with compression spring 281, the compression spring
281 free end and the dredging ball 28 are inconsistent.The notch of the groove 241 is less than the diameter of the dredging ball 28, makes to dredge
Logical ball 28 is maintained in groove 241, and the exposed part outside groove 241 of dredging ball 28 can be fallen into filter hole 25, the mistake
Aperture is more than internal aperture outside the cross section of filter opening 25, the tamper dredging being conducive in filter hole.It can be edge to dredge ball 28
Same cross-sectional distribution it is multiple, can be distributed along the hand of spiral multiple, each dredging ball can be to along 21 side of box ontology
Multiple filter hole 25 on the same vertical direction of wall are dredged successively.
The present embodiment box ontology 21, which offers, to be enclosed on the side wall of filter hole 25 equipped with mud guard 6, the end of the mud guard 6
Portion is fixedly connected with the sludge import 41 of the sludge collection box 4, forms closed mud discharging channel, the residue collection case
5 filter residue import 51 is corresponding with 21 lower port of box ontology, between the box ontology 21 and the residue collection case 5
It is provided with connecting plate 7, connection baffle 7, which encloses, to be set as large volume garbage emission channel, capping resigning mouthful being provided on the connecting plate 7
71, facilitate 27 folding of capping, while when covering 27 opening, capping 27 seals capping resigning mouthful 7, forms closed garbage emission
Channel is hinged with unlatching in the capping 27 and closes part, and it includes folding cylinder 3 and connecting rod 33 that the unlatching, which closes part, described to open
Folding piston rod 31 and 33 one end of the connecting rod for closing cylinder 3 are hinged, the other end of the connecting rod 33 by axis pin 34 with it is described
The otic placode 28 being arranged in capping 27 is hinged.The folding cylinder 3 is fixed on the residue collection case 5 by cylinder fixed seat 35
On.
Filter screen 52 is provided in the residue collection case 5 of the present embodiment, the bottom of the residue collection case 5 is provided with export
Pipe 53, the delivery line 53 are connected with pump 8, dredging tube 9, the dredging tube 9 and the sludge collection box are provided on the pump 8
4 are connected, and are focused on for importing the sludge under the 5 inside filter of residue collection case in sludge collection box 4, in residue collection case
It is provided with filter residue on 5 and removes mouth（It is not shown in figure）, sludge removal mouth is provided on sludge collection box 4（It is not shown in figure）,
Large volume rubbish and sludge for that will detach carry out subsequent processing.
It is provided with gas transmission pipeline 42 on the present embodiment sludge collection box 4, is equipped on the gas transmission pipeline 42
Suction ventilator 43, exhaust duct and energetic ion processor 44 connection of suction ventilator 43, energetic ion processing unit are filled by ion
It sets and launches high energy positive and negative ion, contacted with hydrogen sulfide, the ammonia in foul gas, open its molecular chemistry key, be broken down into
Carbon dioxide and water reach and eliminate foul smell purpose in gas.
It is provided with valve 11 on the sewage sludge storage case 1 of the present embodiment, when equipment closes valve 11 when something goes wrong, repair
Equipment.
The application method of the present invention is as follows：
Sludge is transported in sewage sludge storage case 1, squeezes cylinder 22 at this time on the top of box ontology, mud inlet 26, which is in, to be opened
State, sludge is flowed into from sludge storage box 1 in box main body 21, after the mud in box main body 21 is full, squeezes cylinder 22
Extrusion piston bar 23 be pressed downward, the outer wall of tubular casting die seals mud inlet during pressure, at this time in sewage sludge storage case
Sludge does not flow still further below, and extrusion piston bar 23 is pressed downward, and tiny sludge is forced out from filter hole 25, is formed along mud guard
Channel enter in sludge collection box 4, during extrusion piston bar 23 is pressed downward, be mounted on tubular casting die outer wall on dredge
Logical ball dredges filter hole one by one, and the sludge that will be detained and solid is avoided to block filter hole.When extrusion piston bar 23 is pressed onto
When bottom, folding cylinder 3 works, and folding piston rod is shunk, and capping 27 is driven to open, and extrusion piston bar is by sludge from box-shaped sheet
The bottom of body squeezes out, and into residue collection case, filter screen is equipped in residue collection case, is filtered to remaining sludge,
It is imported in sludge collection box through pump, opens and closes piston rod stretching at this time and block capping, pressurized cylinder work drives extrusion piston bar
It shrinks upwards, realizes the dredging to filter hole again during contraction, when tubular casting die and mud inlet are staggered, mud inlet
It opens, sludge enters from sewage sludge storage case in box main body, the operation before then recycling.Sludge collection box is equipped with gas
Conveyance conduit forms in case under the action of suction ventilator and forms negative pressure, first, conducive to the filtration flow-rate of sludge, second is that conducive to entire
The processing of device foul smell, foul smell are handled foul smell by suction ventilator sucking energetic ion processor 44.
Device reasonable design provided by the present invention, compact-sized, separative efficiency is high, it is applied widely, safeguard it is simple, can
To realize the separation of the big rubbish of volume in municipal sludge well.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in previous embodiment or equivalent replacement of some of the technical features；And
These modifications or replacements, the spirit and model of technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (8)
1. a kind of municipal sludge collects pre-processing device, which is characterized in that it includes sewage sludge storage case (1), separating mechanism, dirt
Mud collecting box (4) and residue collection case (5), the separating mechanism respectively with the sewage sludge storage case (1), sludge collection box (4)
With residue collection case (5；
The separating mechanism includes box-like body (21), and box ontology (21) inner roof wall is installed with compression assemblies, lower port
Be hinged with capping (27), a side wall of the box ontology (21) be equipped be connected with the sludge storage box (1) into
Mud mouth (26), filter hole (25) is offered on described its excess-three side wall of box ontology (21), and the compression assemblies include flexible
Part (22) and the tubular casting die (23) for being set to the extensible member (22) free end, the outer wall of the tubular casting die (23) with it is described
The side wall of box ontology (21) is bonded；
It is enclosed on the side wall for offering filter hole (25) equipped with mud guard (6), end and the sludge of the mud guard (6)
The sludge import (41) of collecting box (4) is fixedly connected, and forms mud discharging channel, and being hinged with unlatching on the capping (27) closes
The filter residue import (51) of part, the residue collection case (5) is corresponding with box ontology (21) lower port.
2. a kind of municipal sludge according to claim 1 collects pre-processing device, which is characterized in that the extensible member is
Cylinder (22) is squeezed, the end of the extrusion piston bar (23) for squeezing cylinder (22) and the interior bottom of the tubular casting die (23) are solid
It is fixed, dredging ball (28) corresponding with the filter hole (25) is provided on the outer tube wall of the tubular casting die (23), it is described to dredge
For logical ball (28) in the groove (241) on the outer tube wall, the slot bottom of the groove (241) is equipped with compression spring (281), institute
Free end and the dredging ball (28) for stating compression spring (281) are inconsistent.
3. a kind of municipal sludge according to claim 1 collects pre-processing device, which is characterized in that the unlatching closes
Part includes opening and closing cylinder (3) and connecting rod (33), the folding piston rod (31) of the folding cylinder (3) and the connecting rod (33) one end
It is hinged, the other end of the connecting rod (33) is hinged with the capping (27).
4. a kind of municipal sludge according to claim 1 collects pre-processing device, which is characterized in that the box ontology
(21) it is provided with connecting plate (7) between the residue collection case (5), capping resigning mouthful is provided on the connecting plate (7)
(71)。
5. a kind of municipal sludge according to claim 1 collects pre-processing device, which is characterized in that the folding cylinder
(3) it is fixed on the residue collection case (5) by cylinder fixed seat (35).
6. a kind of municipal sludge according to claim 1 collects pre-processing device, which is characterized in that the residue collection
It is provided with filter screen (52) in case (5), the bottom of the residue collection case (5) is provided with delivery line (53), the delivery line
(53) it is connected with pump (8), dredging tube (9), the dredging tube (9) and the sludge collection box (4) phase are provided on the pump (8)
Connection.
7. a kind of municipal sludge according to claim 1 collects pre-processing device, which is characterized in that the filter hole
(25) aperture is more than internal aperture outside cross section.
8. a kind of municipal sludge according to claim 1 collects pre-processing device, which is characterized in that the groove
(241) notch is less than the diameter of the dredging ball (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810417629.4A CN108545907B (en) | 2018-05-04 | 2018-05-04 | Earlier stage treatment device for urban sludge collection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810417629.4A CN108545907B (en) | 2018-05-04 | 2018-05-04 | Earlier stage treatment device for urban sludge collection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108545907A true CN108545907A (en) | 2018-09-18 |
| CN108545907B CN108545907B (en) | 2021-10-15 |
Family
ID=63513171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810417629.4A Active CN108545907B (en) | 2018-05-04 | 2018-05-04 | Earlier stage treatment device for urban sludge collection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108545907B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354372A (en) * | 2018-12-06 | 2019-02-19 | 宋志琛 | A kind of sewage sludge harmlessness dehydration and drying equipment |
| CN115432337A (en) * | 2022-09-28 | 2022-12-06 | 江苏城建校建筑规划设计院有限公司 | Old district buried garbage transfer station |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100736369B1 (en) * | 2006-03-29 | 2007-07-06 | 김기태 | Filter press with multiple hydraulic cylinders |
| KR100734930B1 (en) * | 2006-08-16 | 2007-07-06 | 이건호 | Filter press having automatic sludge remove apparatus |
| CN104056486A (en) * | 2014-06-03 | 2014-09-24 | 彭兰娟 | Sludge filter press |
| CN105709471A (en) * | 2016-04-12 | 2016-06-29 | 成都蒲江珂贤科技有限公司 | Movable sludge treatment filter press |
| CN205613124U (en) * | 2016-04-22 | 2016-10-05 | 上海市机械施工集团有限公司 | High pressure sludge -water separation device |
| CN205627228U (en) * | 2016-05-24 | 2016-10-12 | 临沂大学 | Sludge -water separation device for building engineering |
| CN205815239U (en) * | 2016-07-15 | 2016-12-21 | 黄河科技学院 | Domestic filtering devices |
| CN107823935A (en) * | 2017-12-08 | 2018-03-23 | 安徽广宇电子材料有限公司 | A kind of glue filter |
-
2018
- 2018-05-04 CN CN201810417629.4A patent/CN108545907B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100736369B1 (en) * | 2006-03-29 | 2007-07-06 | 김기태 | Filter press with multiple hydraulic cylinders |
| KR100734930B1 (en) * | 2006-08-16 | 2007-07-06 | 이건호 | Filter press having automatic sludge remove apparatus |
| CN104056486A (en) * | 2014-06-03 | 2014-09-24 | 彭兰娟 | Sludge filter press |
| CN105709471A (en) * | 2016-04-12 | 2016-06-29 | 成都蒲江珂贤科技有限公司 | Movable sludge treatment filter press |
| CN205613124U (en) * | 2016-04-22 | 2016-10-05 | 上海市机械施工集团有限公司 | High pressure sludge -water separation device |
| CN205627228U (en) * | 2016-05-24 | 2016-10-12 | 临沂大学 | Sludge -water separation device for building engineering |
| CN205815239U (en) * | 2016-07-15 | 2016-12-21 | 黄河科技学院 | Domestic filtering devices |
| CN107823935A (en) * | 2017-12-08 | 2018-03-23 | 安徽广宇电子材料有限公司 | A kind of glue filter |
Non-Patent Citations (2)
| Title |
|---|
| 上海市城市建设设计研究总院（集团）有限公司等: "《城镇污水处理厂污泥干化焚烧工程设计规程》", 31 July 2017, 同济大学出版社 * |
| 曹伟华等: "《动物无害化处理与资源化利用技术》", 31 January 2018, 冶金工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354372A (en) * | 2018-12-06 | 2019-02-19 | 宋志琛 | A kind of sewage sludge harmlessness dehydration and drying equipment |
| CN115432337A (en) * | 2022-09-28 | 2022-12-06 | 江苏城建校建筑规划设计院有限公司 | Old district buried garbage transfer station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108545907B (en) | 2021-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108545907A (en) | A kind of municipal sludge collection pre-processing device | |
| CN217909244U (en) | Multistage sewage treatment plant | |
| CN208452376U (en) | A kind of waste resources recycling and processing device | |
| CN207886766U (en) | A kind of recycling machine oil separating device | |
| CN109354372A (en) | A kind of sewage sludge harmlessness dehydration and drying equipment | |
| CN219462790U (en) | Sewage treatment is with effluent water sump of being convenient for separation sewage | |
| CN107030075A (en) | A kind of dirty piece-rate system of the water of automatic collection waste residue | |
| CN205917829U (en) | Rainwater flow discarding device | |
| CN205419949U (en) | Overlap circulation mud soil pick -up processing apparatus | |
| CN209865449U (en) | Suction sewer scavenger rough filtering section of thick bamboo | |
| CN210131440U (en) | Solid-liquid separation device for domestic sewage | |
| CN211357881U (en) | Sewage recovery processing device | |
| CN209144776U (en) | A kind of river drifting substances filter device | |
| CN113509770A (en) | Municipal efficient sewage treatment device and treatment method thereof | |
| CN114671535B (en) | Kitchen sewage solid-liquid separation drying treatment system and process thereof | |
| CN206838751U (en) | Garbage-compressing integrated wastewater processing mechanism | |
| CN212715292U (en) | Garbage disposal system of prefabricated pump station | |
| CN218908538U (en) | Garbage collection structure of garbage compression vehicle | |
| CN220766745U (en) | Rainwater collection device for municipal works | |
| CN215924555U (en) | Sewage garbage collection device | |
| CN210762396U (en) | Garbage can | |
| CN215234540U (en) | Domestic waste solid waste processing apparatus | |
| CN214551545U (en) | Circulating water purification equipment capable of automatically discharging pharmaceutical water | |
| CN102847361A (en) | Multifunctional dirt immediate processing machine | |
| CN111643940B (en) | Dirt box assembly for tunnel cleaning vehicle and tunnel cleaning vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210923 Address after: No. 129-3, Yongfeng street, Pancheng street, high tech Development Zone, Nanjing, Jiangsu 210044 Applicant after: Nanjing Dajian Environmental Technology Industry Development Co.,Ltd. Address before: 450003 No. 2502, building 1, yard 72, Nongye Road, Jinshui District, Zhengzhou City, Henan Province Applicant before: Yu Jia |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |