CN106746350A - Improved leather waste water retracting device - Google Patents

Improved leather waste water retracting device Download PDF

Info

Publication number
CN106746350A
CN106746350A CN201710026963.2A CN201710026963A CN106746350A CN 106746350 A CN106746350 A CN 106746350A CN 201710026963 A CN201710026963 A CN 201710026963A CN 106746350 A CN106746350 A CN 106746350A
Authority
CN
China
Prior art keywords
mud
plate
reative cell
sets
waste water
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.)
Pending
Application number
CN201710026963.2A
Other languages
Chinese (zh)
Inventor
徐寿春
丁友新
龚道进
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HAINING MENGNU LEATHERWARE CO Ltd
Original Assignee
HAINING MENGNU LEATHERWARE CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HAINING MENGNU LEATHERWARE CO Ltd filed Critical HAINING MENGNU LEATHERWARE CO Ltd
Priority to CN201710026963.2A priority Critical patent/CN106746350A/en
Publication of CN106746350A publication Critical patent/CN106746350A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/22Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
    • C02F2103/24Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof from tanneries
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • C02F2201/007Modular design
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The invention provides a kind of improved leather waste water retracting device.The present invention includes treatment pond body, and treatment pond body side sets inlet, and another upper lateral part sets delivery port, and bottom sets mud mouth, and inlet connection mud chamber, mud chamber's tail end sets the lifter plate of heeling condition;The base of lifter plate is connected by spoil disposal gap and multilayer plate is set in mud sinking chamber, mud sinking chamber, and reaction biological bacteria is filled on plate, and the lower section of multilayer plate sets aeration tube, the tail end connection mud mouth of mud sinking chamber;The top margin of lifter plate is connected by discharge opeing breach and agitating paddle is set in the first reative cell, the first reative cell, and agitating paddle has material spray pipeline by rotary electric machine drive connection on agitating paddle, material spray pipeline connects charging pump by feeder sleeve;First reative cell connects the second reative cell by feed lines, if placing dried layer filtering reaction plate in the second reative cell, some reaction material bags of filling in filtering reaction plate, the tail end connection delivery port of the second reative cell.

Description

Improved leather waste water retracting device
Technical field
The invention belongs to field of mechanical technique, it is related to a kind of Recovery Purifying technology, particularly a kind of improved leather waste water Retracting device.
Background technology
Curriery is the industry for producing large amount of sewage, and tanning sewage is not only measured greatly, and is a kind of complicated component, high concentration Organic wastewater wherein contain large quantities of lime, dyestuff, protein, salt, grease, ammonia nitrogen, sulfide, chromic salts and hairs, skin The poisonous and harmful substances such as slag, silt particle.CODCr, BOD5, sulfide, ammonia nitrogen, suspension etc. are very high, are a kind of more refractory reasons Industrial wastewater.
Leather-making waste water is needed due to technique, can produce a large amount of chrome waste liquids.Chromium is one of high toxicity element, directly discharges meeting Severe contamination is caused to environment, human contact or intake can cause exanthemv, respiratory inflammation, anaemia, neuritis etc. serious The treatment of Organic Wastewater containing chromium of injury, one of it or known carcinogen, therefore the intractable high concentration containing protein As difficult point.How leather-making waste water is carried out into recycling in addition also turns into one of difficult point.
The content of the invention
The purpose of the present invention is directed to existing technology and there is above mentioned problem, it is proposed that one kind is divided into by precipitation first Clear liquid and mud, and then purified treatment of dividing the work, reach the improved leather waste water retracting device of high-quality recovering effect.
The purpose of the present invention can be realized by following technical proposal:Improved leather waste water retracting device, including treatment Pond body, the side of the treatment pond body sets inlet, and the top of opposite side sets delivery port, and bottom sets mud mouth, described Inlet connects mud chamber, and the tail end of the mud chamber sets the lifter plate of heeling condition;The base of the lifter plate is by row Mud gap is connected and multilayer plate is set in mud sinking chamber, the mud sinking chamber, and reaction biological bacteria is filled on the plate, many The lower section of layer plate sets aeration tube, and the tail end of the mud sinking chamber connects above-mentioned mud mouth;The top margin of the lifter plate leads to Cross discharge opeing breach and connect setting agitating paddle in the first reative cell, first reative cell, the agitating paddle is driven by rotary electric machine Dynamic connection, has material spray pipeline on the agitating paddle, the material spray pipeline connects charging pump by feeder sleeve;First reaction Room connects the second reative cell by feed lines, if placing dried layer filtering reaction plate in second reative cell, the filtering is anti- The tail end of some reaction material bags of filling in plate, second reative cell is answered to connect above-mentioned delivery port.
Originally the action method of improved leather waste water retracting device is:Leather waste water mixed with impurity flows first from inlet Enter mud chamber, now the spoil disposal gap on lifter plate base is closed, make through precipitation after a while in mud chamber With waste water is divided into supernatant and sinking mud;Periodically drive lifter plate to rise, sinking mud is emitted into heavy mud with by spoil disposal gap In room, by aeration tube feed oxygen and ozone, carry out oxygenolysis by reacting biological bacteria, reach purification purpose after by Gradually discharged from mud mouth, and then recycled;Supernatant in mud chamber gradually passes through discharge opeing breach into the first reative cell, leads to On the one hand cross agitating paddle carries out uniform stirring effect, is on the other hand sprayed to waste water by reaction mass is purified by material spray pipeline In, the purification reaction of material is accelerated under circulation stirring;The waste water for then completing primary purifying reaction is entered by feed lines Second reative cell, waste water carries out secondary purification reaction with the reaction material bag on filtering reaction plate again, is finally reached purification purpose Current are recycled from delivery port outflow.
In above-mentioned improved leather waste water retracting device, first reative cell is divided into cavity region and lower alveolus Domain, the upper cavity region is connected with lower cavity region by communication port, each sets above-mentioned in the upper cavity region, lower cavity region Agitating paddle.First reative cell is divided into upper and lower two separated regions, and using circulation path staggeredly, to provide waste water first The enough reaction time in reative cell, and response path is elongated, fully reacted, intensified response effect.
In above-mentioned improved leather waste water retracting device, the agitating paddle includes axostylus axostyle, if being set on the axostylus axostyle Dry stirring vane, the axostylus axostyle inside sets conveying pipeline, and the stirring vane inside sets material stock chamber, the conveying pipeline and material stock Chamber is connected, and the surface of the stirring vane is uniformly arranged some material spraying holes.Reaction liquid material or gas material reach material stock by axostylus axostyle Chamber, is uniformly sprayed in waste water eventually through material spraying hole.
In above-mentioned improved leather waste water retracting device, the top of the lifter plate sets pin joint, the lifting By lift cylinder drive connection, the top of the telescopic shaft of the lift cylinder is hinged on the back side of the lifter plate plate.When When lift cylinder promotes telescopic shaft, the upward rotation of lifter plate is driven, and then be gradually opened the spoil disposal gap on lifter plate base;When When lift cylinder retracts telescopic shaft, the downward rotation of lifter plate is driven, and then the spoil disposal gap on lifter plate base is gradually turned down, directly To completely closing.
In above-mentioned improved leather waste water retracting device, the mud sinking chamber sets the slide guide base plate of heeling condition, institute State the high-end connection spoil disposal gap of slide guide base plate.Using the self gravitation of heavy mud by the guiding of slide guide base plate, gradually to Mud mouth is discharged.
In above-mentioned improved leather waste water retracting device, the filtering inclined spread configuration of reaction plate, its inclination Angle is 35 ° to 45 °.
Compared with prior art, this improved leather waste water retracting device, is divided into clear liquid and mud by precipitation first, Regular spoil disposal is then utilized, both is carried out division of labor purified treatment, further with oxidation Decomposition, stirring sprinkling, filtering reaction Deng effect, accelerate purified treatment, reach high-quality recovering effect.
Brief description of the drawings
Fig. 1 is the structural representation of this improved leather waste water retracting device.
In figure, 1, inlet;2nd, mud chamber;3rd, lifter plate;4th, lift cylinder;5th, mud sinking chamber;6th, plate;7th, mud extraction Mouthful;8th, the first reative cell;9th, agitating paddle;10th, feed lines;11st, the second reative cell;12nd, reaction plate is filtered;13rd, delivery port.
Specific embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described, But the present invention is not limited to these embodiments.
As shown in figure 1, this improved leather waste water retracting device, including treatment pond body, process pond body side set into Liquid mouthful 1, the top of opposite side sets delivery port 13, and bottom sets mud mouth 7, the connection of inlet 1 mud chamber 2, the tail of mud chamber 2 End sets the lifter plate 3 of heeling condition;The base of lifter plate 3 is connected by spoil disposal gap and set in mud sinking chamber 5, mud sinking chamber 5 many Layer plate 6, fills reaction biological bacteria on plate 6, the lower section of multilayer plate 6 sets aeration tube, mud sinking chamber 5 Tail end connects mud mouth 7;The top margin of lifter plate 3 connects the first reative cell 8 by discharge opeing breach, is set in the first reative cell 8 and stirred Oar 9 is mixed, agitating paddle 9 has material spray pipeline by rotary electric machine drive connection on agitating paddle 9, material spray pipeline is connected by feeder sleeve Connect charging pump;First reative cell 8 connects the second reative cell 11 by feed lines 10, if placing dried layer mistake in the second reative cell 11 Filter reaction plate 12, some reaction material bags of filling in filtering reaction plate 12, the tail end connection delivery port 13 of the second reative cell 11.
Originally the action method of improved leather waste water retracting device is:Mixed with impurity leather waste water from inlet 1 first Mud chamber 2 is flowed into, now the spoil disposal gap on the base of lifter plate 3 is closed, it is heavy through after a while in the mud chamber 2 Shallow lake acts on, and waste water is divided into supernatant and sinking mud;Periodically drive lifter plate 3 to rise, discharge sinking mud with by spoil disposal gap Into mud sinking chamber 5, oxygen and ozone are fed by aeration tube, oxygenolysis is carried out by reacting biological bacteria, reach purification Gradually discharged from mud mouth 7 after purpose, and then recycled;Supernatant in mud chamber 2 gradually passes through discharge opeing breach and enters One reative cell 8, uniform stirring effect is carried out by the one side of agitating paddle 9, on the other hand will purify reactant by material spray pipeline Material is sprayed in waste water, and the purification reaction of material is accelerated under circulation stirring;The waste water for then completing primary purifying reaction passes through Feed lines 10 enter the second reative cell 11, and it is anti-that waste water carries out secondary purification with the reaction material bag filtered on reaction plate 12 again Should, it is finally reached purification purpose current and is recycled from the outflow of delivery port 13.
First reative cell 8 is divided into cavity region and lower cavity region, and upper cavity region is connected with lower cavity region by communication port It is logical, agitating paddle 9 is each set in upper cavity region, lower cavity region.First reative cell 8 is divided into upper and lower two separated regions, and is adopted With circulation path staggeredly, to provide waste water the enough reaction time in the first reative cell 8, and response path is elongated, filled Divide and reacted, intensified response effect.
Agitating paddle 9 includes axostylus axostyle, and some stirring vanes are set on axostylus axostyle, and axostylus axostyle inside sets conveying pipeline, in stirring vane Portion sets material stock chamber, and conveying pipeline is connected with material stock chamber, and the surface of stirring vane is uniformly arranged some material spraying holes.Reaction liquid material or Gas material reaches material stock chamber by axostylus axostyle, is uniformly sprayed in waste water eventually through material spraying hole.
The top of lifter plate 3 sets pin joint, lifter plate 3 by the drive connection of lift cylinder 4, lift cylinder 4 it is flexible The top of axle is hinged on the back side of lifter plate 3.When lift cylinder 4 promotes telescopic shaft, the upward rotation of lifter plate 3 is driven, entered And it is gradually opened the spoil disposal gap on the base of lifter plate 3;When lift cylinder 4 retracts telescopic shaft, lifter plate 3 is driven to the bottom Turn, and then the spoil disposal gap on the base of lifter plate 3 is gradually turned down, until completely closing.
Mud sinking chamber 5 sets the slide guide base plate of heeling condition, the high-end connection spoil disposal gap of slide guide base plate.Using heavy mud from The guiding that body gravity passes through slide guide base plate, gradually discharges to mud mouth 7.
The filtering inclined spread configuration of reaction plate 12, its angle of inclination is 35 ° to 45 °.
This improved leather waste water retracting device, is divided into clear liquid and mud by precipitation first, then using periodically row Mud, makes both carry out division of labor purified treatment, further with effects such as oxidation Decomposition, stirring sprinkling, filtering reactions, accelerates purification Treatment, reaches high-quality recovering effect.
Specific embodiment described herein is only to the spiritual explanation for example of the present invention.Technology neck belonging to of the invention The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode Generation, but without departing from spirit of the invention or surmount scope defined in appended claims.
Although more having used inlet 1 herein;Mud chamber 2;Lifter plate 3;Lift cylinder 4;Mud sinking chamber 5;Culture medium Plate 6;Mud mouth 7;First reative cell 8;Agitating paddle 9;Feed lines 10;Second reative cell 11;Filtering reaction plate 12;Delivery port 13 Deng term, but it is not precluded from using the possibility of other terms.Conciliate just for the sake of more easily description using these terms Release essence of the invention;Any additional limitation is construed as all to be disagreed with spirit of the present invention.

Claims (6)

1. improved leather waste water retracting device, including treatment pond body, the side of the treatment pond body sets inlet, opposite side Top delivery port is set, bottom sets mud mouth, it is characterised in that the inlet connects mud chamber, the mud chamber Tail end sets the lifter plate of heeling condition;The base of the lifter plate connects mud sinking chamber by spoil disposal gap, in the mud sinking chamber Multilayer plate is set, reaction biological bacteria is filled on the plate, the lower section of multilayer plate sets aeration tube, institute The tail end for stating mud sinking chamber connects above-mentioned mud mouth;The top margin of the lifter plate connects the first reative cell by discharge opeing breach, described Agitating paddle is set in the first reative cell, and the agitating paddle has stuff-spraying pipe by rotary electric machine drive connection on the agitating paddle Road, the material spray pipeline connects charging pump by feeder sleeve;First reative cell connects the second reative cell by feed lines, If placing dried layer filtering reaction plate in second reative cell, some reaction material bags of filling in the filtering reaction plate, described the The tail end of two reative cells connects above-mentioned delivery port.
2. improved leather waste water retracting device according to claim 1, it is characterised in that first reative cell is divided It is upper cavity region and lower cavity region, the upper cavity region is connected with lower cavity region by communication port, the upper cavity region, cavity of resorption Above-mentioned agitating paddle is each set in region.
3. improved leather waste water retracting device according to claim 1, it is characterised in that the agitating paddle includes axle Bar, sets some stirring vanes on the axostylus axostyle, the axostylus axostyle inside sets conveying pipeline, and the stirring vane inside sets material stock Chamber, the conveying pipeline is connected with material stock chamber, and the surface of the stirring vane is uniformly arranged some material spraying holes.
4. improved leather waste water retracting device according to claim 1, it is characterised in that the top of the lifter plate sets Put pin joint, by lift cylinder drive connection, the top of the telescopic shaft of the lift cylinder is hinged on described the lifter plate On the back side of lifter plate.
5. improved leather waste water retracting device according to claim 1, it is characterised in that the mud sinking chamber sets and inclines The slide guide base plate of state, the high-end connection spoil disposal gap of the slide guide base plate.
6. improved leather waste water retracting device according to claim 1, it is characterised in that the filtering reaction plate is in inclining Oblique spread configuration, its angle of inclination is 35 ° to 45 °.
CN201710026963.2A 2017-01-15 2017-01-15 Improved leather waste water retracting device Pending CN106746350A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710026963.2A CN106746350A (en) 2017-01-15 2017-01-15 Improved leather waste water retracting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710026963.2A CN106746350A (en) 2017-01-15 2017-01-15 Improved leather waste water retracting device

Publications (1)

Publication Number Publication Date
CN106746350A true CN106746350A (en) 2017-05-31

Family

ID=58946542

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710026963.2A Pending CN106746350A (en) 2017-01-15 2017-01-15 Improved leather waste water retracting device

Country Status (1)

Country Link
CN (1) CN106746350A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10216766A (en) * 1997-01-31 1998-08-18 Toshiba Corp Sewage treatment facility
CN101704608A (en) * 2009-11-19 2010-05-12 浙江工业大学 Distributed sewage advanced treatment device with sludge treatment and method thereof
CN101823802A (en) * 2010-05-07 2010-09-08 海宁瑞星皮革有限公司 Leather tanning wastewater chromium recovery unit
CN104193111A (en) * 2014-09-17 2014-12-10 福建隆上超纤有限公司 Treatment method for waste water from artificial leather
CN204689812U (en) * 2015-06-04 2015-10-07 湖南永清环保研究院有限责任公司 A kind of containing chromium leather waste water process recovery system
CN104973738A (en) * 2015-07-26 2015-10-14 李娜 Method for removing pollutants from chromium-containing sewage
CN205653261U (en) * 2016-04-27 2016-10-19 沈阳工业大学 Sewage treating integrated equipment
CN206384999U (en) * 2017-01-15 2017-08-08 浙江深梦皮革科技有限公司 Improved leather waste water retracting device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10216766A (en) * 1997-01-31 1998-08-18 Toshiba Corp Sewage treatment facility
CN101704608A (en) * 2009-11-19 2010-05-12 浙江工业大学 Distributed sewage advanced treatment device with sludge treatment and method thereof
CN101823802A (en) * 2010-05-07 2010-09-08 海宁瑞星皮革有限公司 Leather tanning wastewater chromium recovery unit
CN104193111A (en) * 2014-09-17 2014-12-10 福建隆上超纤有限公司 Treatment method for waste water from artificial leather
CN204689812U (en) * 2015-06-04 2015-10-07 湖南永清环保研究院有限责任公司 A kind of containing chromium leather waste water process recovery system
CN104973738A (en) * 2015-07-26 2015-10-14 李娜 Method for removing pollutants from chromium-containing sewage
CN205653261U (en) * 2016-04-27 2016-10-19 沈阳工业大学 Sewage treating integrated equipment
CN206384999U (en) * 2017-01-15 2017-08-08 浙江深梦皮革科技有限公司 Improved leather waste water retracting device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
叶书磷: "《地基处理》", 31 August 1988, 中国建筑工业出版社 *

Similar Documents

Publication Publication Date Title
CN103588296A (en) Method for treating sewage by using anaerobic membrane bioreactor to remove sulphur and nitrogen
CN105776738B (en) A kind of method and apparatus of organic wastewater pretreatment
CN206384999U (en) Improved leather waste water retracting device
CN104529074B (en) Processing citrus canned food high concentration pectin wastewater processing means
CN207361992U (en) A kind of water paint wastewater treatment equipment
CN106746350A (en) Improved leather waste water retracting device
CN106315976A (en) Azo dye wastewater treatment device
CN106865769A (en) High concentrated organic wastewater purifier and purification method
CN216236471U (en) Integrated treatment system for electrocatalytic oxidation of high-concentration wastewater
CN106495390B (en) A kind of processing method of acid waste water
CN206219375U (en) A kind of processing system for livestock breeding wastewater
CN206255953U (en) A kind of methane waste liquor processing unit
CN105692951B (en) The waste water iron-carbon reduction processing method and its device that a kind of iron cement recycles
CN201313848Y (en) Overhead jet aeration biochemical tower
CN107555745A (en) A kind of bioleaching system
CN102745865A (en) Deep well aeration sewage treatment method
CN209259896U (en) A kind of Tailwater Depth processing unit
KR101898183B1 (en) wastewater treatment system using composite/water blow apparatus and removing methods of nitrogenphosphorous thereby
CN209178192U (en) A kind of high-efficient denitrification and dephosphorization integrated sewage treating apparatus
CN207726882U (en) concentrated water processing system
CN207391191U (en) A kind of processing unit of antibiotic fermentation waste water
CN206529384U (en) It is a kind of to discharge the device that internal carbon source reduces excess sludge discharge
CN206069513U (en) Continuum micromeehanics and the sewage-treating reactor of interval water outlet
CN207159040U (en) A kind of aquaculture wastewater processing unit
CN109422413A (en) A kind of water paint wastewater treatment equipment

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
CB02 Change of applicant information
CB02 Change of applicant information

Address after: 314400 Haining Economic Development Zone, Zhejiang, Shi Shi Road, No. 20, No.

Applicant after: ZHEJIANG SHENMENG LEATHER TECHNOLOGY CO.,LTD.

Address before: 314400 Haining Economic Development Zone, Zhejiang, Shi Shi Road, No. 20, No.

Applicant before: HAINING MENGNU LEATHER PRODUCTS CO.,LTD.

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170531