CN106115886B - Sewage filters charge device - Google Patents

Sewage filters charge device Download PDF

Info

Publication number
CN106115886B
CN106115886B CN201610773953.0A CN201610773953A CN106115886B CN 106115886 B CN106115886 B CN 106115886B CN 201610773953 A CN201610773953 A CN 201610773953A CN 106115886 B CN106115886 B CN 106115886B
Authority
CN
China
Prior art keywords
medicament
medicine
sludge
stirring shaft
mixing stirrer
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
Application number
CN201610773953.0A
Other languages
Chinese (zh)
Other versions
CN106115886A (en
Inventor
杨一鸣
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.)
Kaiyuan Environmental Protection Group Co ltd
Original Assignee
Kaiyuan Environmental Protection Group 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 Kaiyuan Environmental Protection Group Co ltd filed Critical Kaiyuan Environmental Protection Group Co ltd
Priority to CN201610773953.0A priority Critical patent/CN106115886B/en
Publication of CN106115886A publication Critical patent/CN106115886A/en
Application granted granted Critical
Publication of CN106115886B publication Critical patent/CN106115886B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5209Regulation methods for flocculation or precipitation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05Stirrers
    • B01F27/11Stirrers characterised by the configuration of the stirrers
    • B01F27/19Stirrers with two or more mixing elements mounted in sequence on the same axis
    • B01F27/192Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
    • B01F27/1921Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements comprising helical elements and paddles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71Feed mechanisms
    • B01F35/717Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7179Feed mechanisms characterised by the means for feeding the components to the mixer using sprayers, nozzles or jets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/305Treatment of water, waste water or sewage

Landscapes

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

Abstract

The invention belongs to environment-friendly machinery, and particularly relates to sewage treatment equipment, in particular to a sewage filtering and dosing device which comprises a medicine mud mixing stirrer, wherein a stirring shaft is arranged in the medicine mud mixing stirrer, a sludge pump is connected to the inlet of the medicine mud mixing stirrer, the outlet of the medicine mud mixing stirrer is connected to sludge dewatering equipment, a medicine injection inlet and a medicine outlet are arranged on the stirring shaft, and the medicine injection inlet is connected with a medicine feeder and a high-pressure injection system. According to the invention, the medicament is sprayed into the medicament-mud mixing stirrer by adopting the medicament high-pressure spraying system, the medicament can be fully mixed into the sludge by stirring the stirring shaft, the adsorption of water on the particle surface in the sludge and the conversion of bound water in capillary channels into free water and external water are facilitated to be enhanced, toxic and harmful substances in the sewage are fixed in a net chain formed by solidification, the solid is converted into solid similar to soil or with higher bonding strength, and the water content of the dewatered sludge can be reduced by more than ten percent.

Description

Sewage filters charge device
Technical Field
The invention belongs to environment-friendly machinery, and particularly relates to sewage treatment equipment, in particular to a sewage filtering and dosing device.
Background
With the economic development and modernization progress of the country, various types of environmental pollution also increasingly affect our lives, and especially water pollution is the first threat. In order to treat the pollution of sewage to the environment, the sewage is concentrated into a sewage treatment plant for comprehensive treatment so as to reach the discharge standard regulated by the state. The invention relates to a sewage filtering and dosing system, which is the last link in a sewage treatment project, namely, drug dilution, drug mud mixing, physicochemical reaction, mechanical stirring and conveying and the like, and then the sewage enters a squeezing and dewatering process. The prior art is that traditional flocculating agent is stirred, diluted and cured through a groove body, and then is mixed with sludge and conveyed to a dewatering device, a dosing system in the prior art is designed for adapting to the drug characteristics of traditional flocculating agents, and the most troublesome problem in the prior art is that the sludge after sewage treatment is difficult to degrade and can not be restored into harmless usable substances after being put back to the nature for a long time, so that local secondary pollution is formed to ecology, and especially, a great number of factors such as water retention of sewage sludge can not be well solved in the process of drug sludge dialysis reaction in the prior art, so that when conventional filter pressing equipment is adopted for desliming, the water content and the characteristics of the dry sludge after being squeezed and dewatered are still difficult to achieve ideal effects.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the existing drug sludge dialysis reaction process can not well solve a plurality of factors such as water binding capacity of sewage particle sludge, the water content and the dry sludge characteristic of the dry sludge after squeezing and dehydration still can not achieve ideal effects, and the sewage filtering and dosing device is provided for solving the problems.
The object of the invention is achieved in the following way:
sewage filters charge device, including medicine mud mixing stirrer, be provided with the (mixing) shaft in the medicine mud mixing stirrer, be connected with the sludge pump at medicine mud mixing stirrer entrance, medicine mud mixing stirrer's exit linkage to sludge dewatering equipment is provided with medicament injection entry and medicament export on the (mixing) shaft, and medicament injection entry is connected with medicament feeder and high-pressure injection system.
The medicament feeder comprises a hopper, a bin and a feeder which are connected in sequence, a high-pressure injection system is communicated with the feeder, and the feeder is provided with an interface connected with a medicament injection inlet.
The high-pressure injection system is an air compressor.
A butterfly valve is arranged between the hopper and the storage bin.
The feeding device comprises a cylinder connected with a bin, a cylinder base is arranged at the lower end of the cylinder, a rotating shaft is arranged at the center of the cylinder and hinged with the cylinder base, a stirrer is arranged on the rotating shaft, a feeding port is arranged on the cylinder base, and a rotary feeding device communicated with a high-pressure injection system is arranged at the lower end of the cylinder base.
The rotary feeding device comprises a rotary feeding disc which is arranged on the lower side of a cylinder base and rotates along with a rotating shaft, the rotary feeding disc is sealed by a sealing plate, feeding holes corresponding to feeding ports are uniformly distributed in the rotary feeding disc, air inlet holes corresponding to the feeding holes are formed in the cylinder base, air outlet holes are correspondingly formed in the sealing plate, and an interface connected with a medicament injection inlet is formed in the air outlet holes.
The medicine mud mixing stirrer comprises a cylindrical barrel, a stirring shaft is arranged in the center of the barrel, and the stirring shaft is connected with a high-pressure medicament injection system through a hollow rod driven by a motor.
The stirring shaft is of a hollow structure, spiral pushing ends are arranged at two ends of the stirring shaft, and stirring rods and medicament outlets are uniformly distributed between the spiral pushing ends at the two ends.
The spiral pushing end is a spiral blade.
The stirring rods are arranged on the stirring shaft in a staggered spiral mode.
Compared with the prior art, the invention adopts the high-pressure injection system of the medicament to inject the medicament into the medicament-mud mixing stirrer, can fully mix the medicament into the sludge by stirring the stirring shaft, is beneficial to strengthening the adsorption of water on the particle surface in the sludge and the transformation of bound water in capillary channels into free water and external water, and fixes toxic and harmful substances in the sewage in a network chain formed by solidification so as to transform the toxic and harmful substances into solid similar to soil or solid with higher bonding strength, thereby reducing the water holding capacity of the sludge and the like, providing sufficient conditions for the acceleration of a desliming process of subsequent equipment, and reducing the water content of the dewatered sludge by more than ten percent.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic view of a medicament feeder.
Wherein 1 is a rotating shaft; 2 is a frame; 3 is a trachea locking movable joint; 4 is a storage bin; 5 is a butterfly valve; 6 is a hopper; 7 is a stirrer; 8 is a rotary batch pan; 9 is a sludge feed inlet; 10 is a sludge pump; 11 is an air compressor; 14 is a medicine mud mixing stirrer; 15 is a hollow rod; 16 is a stirring shaft; 17 is a stir bar; 18 is a medicament outlet; 19 is a helical blade; 20 is a sludge outlet.
Detailed Description
As shown in fig. 1-2, the sewage filtering and chemical adding device comprises a chemical mud mixing stirrer, a stirring shaft 16 is arranged in the chemical mud mixing stirrer, a sludge pump 10 is connected to an inlet of the chemical mud mixing stirrer, an outlet of the chemical mud mixing stirrer is connected to a sludge dewatering device, a chemical injection inlet and a chemical outlet 18 are arranged on the stirring shaft 16, and the chemical injection inlet is connected with a chemical feeder and a high-pressure injection system.
As shown in fig. 2, the medicament feeder comprises a hopper 6, a bin 4 and a feeder which are connected in sequence, the high-pressure injection system is communicated with the feeder, and the feeder is provided with an interface connected with a medicament injection inlet.
The high pressure injection system is an air compressor 11.
A butterfly valve 5 is arranged between the hopper 6 and the storage bin 4.
The feeder comprises a cylinder connected with a bin, a cylinder base is arranged at the lower end of the cylinder, a rotating shaft is arranged at the center of the cylinder and hinged with the cylinder base, a stirrer 7 is arranged on the rotating shaft, a feeding port is arranged on the cylinder base and is a conical round hole with the upper part larger than the lower part, and a rotary feeding device communicated with a high-pressure injection system is arranged at the lower end of the cylinder base.
The rotary feeding device comprises a rotary feeding disc 8 which is arranged at the lower side of a cylinder base and rotates along with a rotating shaft, the rotary feeding disc 8 is sealed by a sealing plate, feeding holes corresponding to feeding ports are uniformly distributed in the rotary feeding disc 8, air inlet holes corresponding to the feeding holes are formed in the cylinder base, an air pipe locking movable joint 3 is arranged on the air inlet holes, air outlet holes are correspondingly formed in the sealing plate, and an interface connected with a medicament injection inlet is formed in the air outlet holes.
The medicine mud mixing stirrer comprises a cylindrical barrel, a stirring shaft 16 is arranged in the center of the barrel, and the stirring shaft 16 is connected with a medicament high-pressure injection system through a hollow rod 15 driven by a motor.
The stirring shaft 16 is of a hollow structure, spiral pushing ends are arranged at two ends of the stirring shaft 16, and stirring rods 17 and agent outlets 18 are uniformly distributed between the spiral pushing ends at the two ends. The spiral pushing end is a spiral blade 19. The stirring rods 17 are arranged on the stirring shaft 16 in a staggered spiral manner, so that sewage and the medicament can be fully mixed during stirring.
The sewage filtering, squeezing and treating chemical adding system aims to solve the problems that in the prior art, sludge cannot be effectively degraded after sewage filtering, so that secondary pollution occurs and the sewage cannot be quickly and smoothly dehydrated in the squeezing process. In order to achieve the purpose, the company adopts a novel IST inorganic flocculating agent, and the novel agent needs special mechanism requirements such as high-pressure wind pumping of dry powder of the agent, cutting off and stirring of mixing and mixing of medicine mud and water, sedimentation and separation of mud and water in the process of adding the agent into sewage.
The purpose of the invention is realized by the following technical scheme: it mainly comprises a medicine powder feeding and supplying device and a cylindrical medicine liquid and muddy water mixing and stirring device. The feeding and supplying device comprises a feeding disc 8 of a stock bin 4 and a high-pressure pneumatic system, wherein in order to convey the medicinal powder outwards uniformly, smoothly and in equal proportion, mechanisms such as a stirrer 7, a rotary feeding disc 8, a dry powder pneumatic guide ring and the like are arranged in the stock bin 4; the medicine mud mixing stirrer consists of a cylindrical cavity, helical blades 19 arranged on a stirring shaft 16, stirring rods 17 arranged in a staggered and helical mode and the like. The working process is as follows: after the medicine powder is sucked into a storage bin 4 by a microcomputer full-automatic suction machine, the powder accumulated at the bottom of a hopper is stirred into a rotary feeding disc 8 by a stirrer 7, the rotary feeding disc 8 rotates, so that the powder medicine falling into the pore cavity of the rotary feeding disc 8 sequentially passes through a high-pressure air hole channel, the medicine powder is blown out by high-pressure airflow of an air compressor, and finally the medicine powder is conveyed into a barrel body through a hose connected with a medicine mud mixing stirrer. When the medicinal powder enters the cylinder body along with the airflow at a high speed in a mist shape, the medicinal powder impacts the sewage input from the other inlet of the cylinder body immediately, impact turbulence is formed to promote the medicinal powder to be in contact with particles in the sewage, then muddy water is stirred in the cylinder body in a cross mode by the stirring rod 17 and is pushed in a spiral mode by the spiral blade 19 in a spiral extruding mode, in the process, liquid forms high-pressure high-speed surging, so that the flocculation settling agent with novel characteristics can fully exert the flocculation settling effect, meanwhile, under the action of a self-adaptive flocculating agent, the mechanism is more beneficial to strengthening the absorption of water on the surfaces of the particles in the sludge and the transformation of bound water in capillary channels into free water and external water, toxic and harmful substances in the sewage are fixed in a net chain formed by solidification, so that the toxic and harmful substances are transformed into solids similar to soil or solids with higher cross bonding strength, the water holding capacity of the sludge is reduced, and sufficient conditions are provided for the acceleration of a desliming process of subsequent equipment, the water content of the dewatered sludge can be reduced by more than ten percent. The sludge dewatering treatment method has the advantages that the degradation performance of substances is improved after the sludge is dewatered, pathogens such as ascarid eggs and faecal coliform bacteria and heavy metals in the treated sludge can be effectively removed, and harmless, quantitative reduction and recycling treatment of the sludge are fully realized.
The other end of the medicine mud mixing stirrer is provided with a mud outlet 20, and the mud outlet 20 can be connected with a mud removing device through a mud conveying pipeline to complete the whole mud removing process.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the overall concept of the present invention, and these should also be considered as the protection scope of the present invention.

Claims (6)

1. Sewage filters charge device, its characterized in that: the sludge mixing and stirring device comprises a medicine-sludge mixing stirrer, wherein a stirring shaft is arranged in the medicine-sludge mixing stirrer, a sludge pump is connected at the inlet of the medicine-sludge mixing stirrer, the outlet of the medicine-sludge mixing stirrer is connected to sludge dewatering equipment, a medicament injection inlet and a medicament outlet are arranged on the stirring shaft, and the medicament injection inlet is connected with a medicament feeder and a high-pressure injection system;
the medicament feeder comprises a hopper, a bin and a feeder which are connected in sequence, a high-pressure injection system is communicated with the feeder, and the feeder is provided with an interface connected with a medicament injection inlet;
the feeding device comprises a cylinder connected with the bin, a cylinder base is arranged at the lower end of the cylinder, a rotating shaft is arranged at the center of the cylinder and hinged with the cylinder base, a stirrer is arranged on the rotating shaft, a feeding port is arranged on the cylinder base, and a rotary feeding device communicated with a high-pressure injection system is arranged at the lower end of the cylinder base;
the rotary feeding device comprises a rotary feeding disc which is arranged at the lower side of a cylinder base and rotates along with a rotating shaft, the rotary feeding disc is sealed by a sealing plate, feeding holes corresponding to feeding ports are uniformly distributed on the rotary feeding disc, air inlet holes corresponding to the feeding holes are formed in the cylinder base, air outlet holes are correspondingly formed in the sealing plate, and interfaces connected with medicament injection inlet holes are formed in the air outlet holes;
the high-pressure injection system is an air compressor.
2. The sewage filtering and dosing device according to claim 1, characterized in that: a butterfly valve is arranged between the hopper and the storage bin.
3. The sewage filtering and dosing device according to claim 1, wherein: the medicine mud mixing stirrer comprises a cylindrical barrel, a stirring shaft is arranged in the center of the barrel, and the stirring shaft is connected with a high-pressure medicament injection system through a hollow rod driven by a motor.
4. The sewage filtering and dosing device according to claim 3, characterized in that: the stirring shaft is of a hollow structure, spiral pushing ends are arranged at two ends of the stirring shaft, and stirring rods and medicament outlets are uniformly distributed between the spiral pushing ends at the two ends.
5. The sewage filtering and dosing device according to claim 4, wherein: the spiral pushing end is a spiral blade.
6. The sewage filtering and dosing device according to claim 4, wherein: the stirring rods are arranged on the stirring shaft in a staggered spiral mode.
CN201610773953.0A 2016-08-31 2016-08-31 Sewage filters charge device Active CN106115886B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610773953.0A CN106115886B (en) 2016-08-31 2016-08-31 Sewage filters charge device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610773953.0A CN106115886B (en) 2016-08-31 2016-08-31 Sewage filters charge device

Publications (2)

Publication Number Publication Date
CN106115886A CN106115886A (en) 2016-11-16
CN106115886B true CN106115886B (en) 2022-05-17

Family

ID=57272354

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610773953.0A Active CN106115886B (en) 2016-08-31 2016-08-31 Sewage filters charge device

Country Status (1)

Country Link
CN (1) CN106115886B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108996639B (en) * 2018-08-14 2021-09-21 孙斌 Coal chemical wastewater treatment system
CN108996753B (en) * 2018-08-14 2021-06-01 中汇金源(北京)科技发展有限公司 Coal chemical industry wastewater purification treatment method
CN109607991A (en) * 2019-01-24 2019-04-12 厦门曙光伟业环保工程有限公司 A kind of channel cleanout pre-processing device
CN111153480B (en) * 2020-04-08 2020-07-24 鲁东大学 Chemical wastewater treatment device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001104997A (en) * 1999-10-13 2001-04-17 Atorasukoa:Kk Sludge treatment apparatus
JP2005007250A (en) * 2003-06-17 2005-01-13 Fumiyoshi Yoshioka Sludge treatment apparatus and sludge treatment method
CN201059568Y (en) * 2007-06-08 2008-05-14 高金良 Novel boiler tube deash spray gun
CN201817368U (en) * 2010-08-19 2011-05-04 北京中持绿色能源环境技术有限公司 System for treating sludge containing heavy metals
CN102285501A (en) * 2011-05-23 2011-12-21 华中科技大学 Tangential injection continuous micro-feeding device
CN102863138A (en) * 2012-10-26 2013-01-09 江苏省环境科学研究院 In-situ dewatering method for sludge of sewage treatment plants
CN203212439U (en) * 2013-04-19 2013-09-25 河南省宏源化工有限公司 High-pressure sludge reactor
CN103626373A (en) * 2012-08-21 2014-03-12 绍兴县永通丝绸印染有限公司 Sludge dewatering system for printing and dyeing mill
CN203545853U (en) * 2013-09-06 2014-04-16 上海申耀环保工程有限公司 Mixing and conveying equipment for sludge treatment
CN206051647U (en) * 2016-08-31 2017-03-29 开源环保(集团)有限公司 Sewage water filtration chemicals dosing plant

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001104997A (en) * 1999-10-13 2001-04-17 Atorasukoa:Kk Sludge treatment apparatus
JP2005007250A (en) * 2003-06-17 2005-01-13 Fumiyoshi Yoshioka Sludge treatment apparatus and sludge treatment method
CN201059568Y (en) * 2007-06-08 2008-05-14 高金良 Novel boiler tube deash spray gun
CN201817368U (en) * 2010-08-19 2011-05-04 北京中持绿色能源环境技术有限公司 System for treating sludge containing heavy metals
CN102285501A (en) * 2011-05-23 2011-12-21 华中科技大学 Tangential injection continuous micro-feeding device
CN103626373A (en) * 2012-08-21 2014-03-12 绍兴县永通丝绸印染有限公司 Sludge dewatering system for printing and dyeing mill
CN102863138A (en) * 2012-10-26 2013-01-09 江苏省环境科学研究院 In-situ dewatering method for sludge of sewage treatment plants
CN203212439U (en) * 2013-04-19 2013-09-25 河南省宏源化工有限公司 High-pressure sludge reactor
CN203545853U (en) * 2013-09-06 2014-04-16 上海申耀环保工程有限公司 Mixing and conveying equipment for sludge treatment
CN206051647U (en) * 2016-08-31 2017-03-29 开源环保(集团)有限公司 Sewage water filtration chemicals dosing plant

Also Published As

Publication number Publication date
CN106115886A (en) 2016-11-16

Similar Documents

Publication Publication Date Title
CN106115886B (en) Sewage filters charge device
KR101180639B1 (en) Moving type screw dewatering equipment
CN210313987U (en) Deep sludge dewatering system
CN109603738B (en) Fly ash modification method and application of modified fly ash
CN110066094A (en) A kind of efficient flocculating device and sludge dewatering treatment system
CN210340671U (en) Sludge wall breaking and deep dewatering system
CN110697944A (en) Sewage treatment device
CN110668609A (en) Shield waste slurry concentration treatment device and process
CN206051647U (en) Sewage water filtration chemicals dosing plant
CN115385539B (en) Sludge step-by-step separation system
CN215905433U (en) Vacuum conveying sludge dewatering device
CN215822952U (en) Novel stirring and conveying device for sludge curing agent
CN215756976U (en) Sludge deep dehydration processing system
CN215288480U (en) System for utilize superhigh pressure squeezer to carry out degree of depth dehydration to mud
CN210764706U (en) Sand washing field sewage treatment recycling system
CN209456263U (en) A kind of sludge treatment equipment
CN103102054A (en) Rapid mechanical type sludge dewatering system
CN207330686U (en) Chicken manure resource utilization device
CN110255848A (en) Sludge dewatering system
CN206927772U (en) A kind of cured modified equipment for being prepared into recycling fuel of river bottom mud
CN210915671U (en) Sewage treatment device
CN111039542A (en) Treatment system and treatment process for removing polluted bottom mud of lakes, reservoirs and riverways
CN210736512U (en) Sludge recovery system for sewage treatment
CN212713061U (en) Cardboard sewage treatment plant
CN205635342U (en) Mud flocculation thing concentrator

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Yang Yiming

Inventor before: Yang Yunxin

Inventor before: Yang Yiming

Inventor before: Li Lijin

Inventor before: Xie Dejin

Inventor before: Li Guoan

Inventor before: Pan Xijian

Inventor before: Zhang Wei

CB03 Change of inventor or designer information
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Sewage filtration and dosing device

Effective date of registration: 20230615

Granted publication date: 20220517

Pledgee: Bank of China Limited Xinyang branch

Pledgor: KAIYUAN ENVIRONMENTAL PROTECTION (GROUP) CO.,LTD.

Registration number: Y2023980044295

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Granted publication date: 20220517

Pledgee: Bank of China Limited Xinyang branch

Pledgor: KAIYUAN ENVIRONMENTAL PROTECTION (GROUP) CO.,LTD.

Registration number: Y2023980044295

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Sewage filtration and dosing device

Granted publication date: 20220517

Pledgee: Bank of China Limited Shangcheng sub branch

Pledgor: KAIYUAN ENVIRONMENTAL PROTECTION (GROUP) CO.,LTD.

Registration number: Y2024980019852