CN108331086A - A kind of steady-flow tank with automatic cleaning function - Google Patents

A kind of steady-flow tank with automatic cleaning function Download PDF

Info

Publication number
CN108331086A
CN108331086A CN201810392795.3A CN201810392795A CN108331086A CN 108331086 A CN108331086 A CN 108331086A CN 201810392795 A CN201810392795 A CN 201810392795A CN 108331086 A CN108331086 A CN 108331086A
Authority
CN
China
Prior art keywords
tank body
tank
automatic cleaning
steady
cleaning function
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
CN201810392795.3A
Other languages
Chinese (zh)
Inventor
许圣传
孙永跃
王满川
王慧君
马莎莎
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.)
TIANJIN CHENTIAN AUTOMATION EQUIPMENT ENGINEERING Co.,Ltd.
Original Assignee
Tianjin Hong Feng Installation Engineering 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 Tianjin Hong Feng Installation Engineering Co Ltd filed Critical Tianjin Hong Feng Installation Engineering Co Ltd
Priority to CN201810392795.3A priority Critical patent/CN108331086A/en
Publication of CN108331086A publication Critical patent/CN108331086A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/07Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/075Arrangement of devices for control of pressure or flow rate

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Filtration Of Liquid (AREA)

Abstract

本发明提供了一种带自动清洗功能的稳流罐,包括罐体、设置在罐体上的进水口和出水口,所述罐体底部设置反冲洗装置,反冲洗装置包括冲洗管、反冲进水管、反冲排水管和杂质过滤器,本发明中的稳流罐在清洗时可以不停止供水,保持二次供水设备供水的同时,启动反冲洗装置,避免了因突然停止供水影响用水的使用,使得整个供水系统更加安全可靠,并且本发明整体结构简单,可以在现有稳流罐的罐体上进行升级改造,生产成本低,有利于广泛的推广使用。

The invention provides a steady flow tank with automatic cleaning function, comprising a tank body, a water inlet and a water outlet arranged on the tank body, a backwashing device is arranged at the bottom of the tank body, and the backwashing device includes a flushing pipe, a backwashing Inlet pipe, recoil drain pipe and impurity filter, the steady flow tank in the present invention can not stop the water supply when cleaning, while maintaining the water supply of the secondary water supply equipment, start the backwash device, avoiding the impact of water supply due to sudden stop of water supply The use makes the whole water supply system safer and more reliable, and the overall structure of the invention is simple, and can be upgraded and modified on the tank body of the existing steady flow tank, the production cost is low, and it is beneficial to widely popularize and use.

Description

一种带自动清洗功能的稳流罐A steady flow tank with automatic cleaning function

技术领域technical field

本发明属于加工设备领域,尤其是涉及一种带自动清洗功能的稳流罐。The invention belongs to the field of processing equipment, in particular to a steady flow tank with automatic cleaning function.

背景技术Background technique

现有二次供水系统中的稳流罐多采用密封承压不锈钢罐体,罐体内自来水虽然不与外界接触,但是长期使用后,在稳流罐底部常常会存有水垢,给供水安全带来隐患;现有技术在清洗稳流罐时需要破坏罐体结构,造成稳流罐清洗难度大;另外,在清洗罐体时,必须要停止供水,影响正常使用,给用户造成不便。Most of the current stabilization tanks in the existing secondary water supply system are sealed and pressure-bearing stainless steel tanks. Although the tap water in the tank does not come into contact with the outside world, after long-term use, there will often be scale at the bottom of the stabilization tank, which brings serious problems to the safety of water supply. Hidden danger; the existing technology needs to destroy the structure of the tank when cleaning the stabilizing tank, which makes it difficult to clean the stabilizing tank; in addition, when cleaning the tank, the water supply must be stopped, affecting normal use and causing inconvenience to users.

发明内容Contents of the invention

有鉴于此,本发明旨在提出一种带自动清洗功能的稳流罐,适用于二次供水系统中使用。In view of this, the present invention aims to provide a steady flow tank with automatic cleaning function, which is suitable for use in secondary water supply systems.

为达到上述目的,本发明的装置所采用的技术方案是:一种带自动清洗功能的稳流罐,包括罐体、设置在罐体上的进水口和出水口,所述罐体底部设置反冲洗装置,反冲洗装置包括冲洗管、反冲进水管、反冲排水管和杂质过滤器,其中冲洗管包括相互连通的环管和直管,环管为沿所述罐体内侧圆弧侧壁设置的环形水管,直管为沿所述罐体内底部长方向水平设置的水管,所述环管和直管的侧壁上开设有喷水口;反冲进水管和反冲排水管设置于所述罐体的底部,反冲进水管通过进水旁路与所述进水口连通,反冲排水管上设置杂质过滤器。In order to achieve the above-mentioned purpose, the technical solution adopted by the device of the present invention is: a steady flow tank with automatic cleaning function, including a tank body, a water inlet and a water outlet arranged on the tank body, and the bottom of the tank body is provided with a reverse The flushing device, the backwashing device includes a flushing pipe, a backflushing water inlet pipe, a backflushing drain pipe and an impurity filter, wherein the flushing pipe includes a ring pipe and a straight pipe that communicate with each other, and the ring pipe is along the arc side wall inside the tank. The annular water pipe provided, the straight pipe is a water pipe arranged horizontally along the long direction of the bottom of the tank, and the side walls of the annular pipe and the straight pipe are provided with water spray ports; the recoil water inlet pipe and the recoil drain pipe are arranged on the The bottom of the tank body, the recoil water inlet pipe communicates with the water inlet through the water inlet bypass, and an impurity filter is arranged on the recoil drain pipe.

进一步地,位于所述杂质过滤器与所述罐体之间的反冲排水管上设置有第一电动阀;所述进水口上设置有第二电动阀。Further, a first electric valve is provided on the recoil drain pipe between the impurity filter and the tank body; a second electric valve is provided on the water inlet.

进一步地,还包括PLC可编程控制器,PLC可编程控制器信号输出端与所述第一电动阀和第二电动阀连接,PLC可编程控制器预置用于周期性开启第一电动阀和第二电动阀的程序。Further, it also includes a PLC programmable controller, the signal output terminal of the PLC programmable controller is connected to the first electric valve and the second electric valve, and the PLC programmable controller is preset for periodically opening the first electric valve and the second electric valve. Program for the second electric valve.

进一步地,反冲排水管通过排水旁路与所述出水口连通。Further, the recoil drain pipe communicates with the water outlet through a drainage bypass.

进一步地,所述杂质过滤器与所述反冲排水管为可拆卸连接。Further, the impurity filter is detachably connected to the recoil drain pipe.

进一步地,所述环管为两个或两个以上,沿所述罐体的长方向均匀分布。Further, there are two or more annular pipes, which are evenly distributed along the long direction of the tank body.

进一步地,所述喷水口为多个沿所述环管和直管均匀分布。Further, the water spray ports are distributed uniformly along the annular pipe and the straight pipe in multiple numbers.

相对于现有技术,本发明所述的装置具有以下优势:Compared with the prior art, the device of the present invention has the following advantages:

(1)通过设置在稳压罐罐体底部的反冲洗装置,使得二次供水系统中的高压水经过反冲进水管、冲洗管和喷水口,对罐体内部进行冲洗;冲洗后的水经过杂质过滤器过滤后由反冲排水管排水;本发明中的稳流罐在清洗时可以不停止供水,保持二次供水设备供水的同时,启动反冲洗装置,避免了因突然停止供水影响用水的使用,使得整个供水系统更加安全可靠。(1) Through the backwashing device installed at the bottom of the surge tank, the high-pressure water in the secondary water supply system passes through the backwashing water inlet pipe, flushing pipe and water spray port to flush the inside of the tank body; the water after flushing After being filtered by the impurity filter, it is drained by the recoil drain pipe; the steady flow tank in the present invention can not stop the water supply when cleaning, and start the backwash device while maintaining the water supply of the secondary water supply equipment, avoiding the impact of water supply due to sudden stop of water supply The use of it makes the whole water supply system safer and more reliable.

(2)通过PLC可编程控制器预置程序控制第一电动阀和第二电动阀的开启和关闭,使得本发明的稳流罐可以按照设定时间进行自动清洗,从而实现自动清洗罐体,操作更加省时省力。(2) Control the opening and closing of the first electric valve and the second electric valve by the PLC programmable controller preset program, so that the steady flow tank of the present invention can be automatically cleaned according to the set time, thereby realizing automatic cleaning of the tank body, The operation is more time-saving and labor-saving.

(3)本发明整体结构简单,可以在现有稳流罐的罐体上进行升级改造,生产成本低,有利于广泛的推广使用。(3) The overall structure of the present invention is simple, can be upgraded and modified on the tank body of the existing steady flow tank, the production cost is low, and it is beneficial to popularize and use widely.

附图说明Description of drawings

附图中:In the attached picture:

图1为本发明的实施例整体结构图;Fig. 1 is the overall structural diagram of the embodiment of the present invention;

图2为PLC可编程控制器的连接示意图;Fig. 2 is the connection diagram of PLC programmable controller;

图3为排水旁路的连接示意图;Figure 3 is a schematic diagram of the connection of the drainage bypass;

附图标记说明:Explanation of reference signs:

1-进水口;2-第二电动阀;3-出水口;4-环管;5-罐体;6-反冲排水管;7-杂质过滤器;8-第一电动阀;9-进水旁路;10-反冲进水管;11-直管;12-喷水口;201-PLC可编程控制器;301-排水旁路。1-Water inlet; 2-Second electric valve; 3-Water outlet; 4-Ring pipe; 5-Tank body; Water bypass; 10-recoil inlet pipe; 11-straight pipe; 12-water spray port; 201-PLC programmable controller; 301-drainage bypass.

具体实施方式Detailed ways

本发明所采用的技术方案:如图1所示,一种带自动清洗功能的稳流罐,包括罐体5、设置在罐体5上的进水口1和出水口3,The technical scheme adopted in the present invention: as shown in Figure 1, a kind of steady flow tank with automatic cleaning function, comprises tank body 5, the water inlet 1 and the water outlet 3 that are arranged on the tank body 5,

所述罐体5底部设置反冲洗装置,反冲洗装置包括冲洗管、反冲进水管10、反冲排水管6和杂质过滤器7,其中冲洗管包括相互连通的环管4和直管11,环管4为沿所述罐体5内侧圆弧侧壁设置的环形水管,直管11为沿所述罐体5内底部长方向水平设置的水管,所述环管4和直管11的侧壁上开设有喷水口12;The bottom of the tank body 5 is provided with a backwashing device, and the backwashing device includes a flushing pipe, a backflushing water inlet pipe 10, a backflushing drain pipe 6 and an impurity filter 7, wherein the flushing pipe includes a ring pipe 4 and a straight pipe 11 that communicate with each other, The ring pipe 4 is an annular water pipe arranged along the arc sidewall of the inner side of the tank body 5, and the straight pipe 11 is a water pipe arranged horizontally along the long direction of the inner bottom of the tank body 5. The sides of the ring pipe 4 and the straight pipe 11 are A water spray port 12 is opened on the wall;

反冲进水管10和反冲排水管6设置于所述罐体5的底部,反冲进水管10通过进水旁路9与所述进水口1连通,反冲排水管6上设置杂质过滤器7。The recoil water inlet pipe 10 and the recoil drain pipe 6 are arranged at the bottom of the tank body 5, the recoil water inlet pipe 10 communicates with the water inlet 1 through the water inlet bypass 9, and the recoil drain pipe 6 is provided with an impurity filter 7.

位于所述杂质过滤器7与所述罐体5之间的反冲排水管6上设置有第一电动阀8;所述进水口1上设置有第二电动阀2。A first electric valve 8 is provided on the recoil drain pipe 6 between the impurity filter 7 and the tank body 5 ; a second electric valve 2 is provided on the water inlet 1 .

所述杂质过滤器7与所述反冲排水管6为可拆卸连接。The impurity filter 7 is detachably connected to the recoil drain pipe 6 .

所述环管4为两个或两个以上,沿所述罐体5的长方向均匀分布。There are two or more annular pipes 4 , which are evenly distributed along the long direction of the tank body 5 .

所述喷水口12为多个沿所述环管4和直管11均匀分布。The water spray openings 12 are multiple and evenly distributed along the circular pipe 4 and the straight pipe 11 .

本发明一种带自动清洗功能的稳流罐工作原理是:当稳流罐清洗时,第二电动阀2关闭,保持二次供水设备供水的同时,启动反冲洗装置,二次供水系统中的高压水通过反冲进水管、环管和直管,再由喷水口喷出,从而实现对罐体内部进行清洗,清洗完毕后经过杂质过滤器进行过滤,最后从反冲排水管排出;本发明中的稳流罐在清洗时可以不停止供水,避免了因突然停止供水影响用水的使用,使得整个供水系统更加安全可靠。The working principle of a stabilizing tank with automatic cleaning function in the present invention is: when the stabilizing tank is cleaned, the second electric valve 2 is closed, and while maintaining the water supply of the secondary water supply equipment, the backwashing device is started, and the secondary water supply system The high-pressure water passes through the recoil inlet pipe, ring pipe and straight pipe, and then sprays out from the water nozzle to clean the inside of the tank. After cleaning, it is filtered through the impurity filter and finally discharged from the recoil drain pipe; The steady flow tank in the invention does not need to stop the water supply during cleaning, which avoids affecting the use of water due to the sudden stop of the water supply, and makes the whole water supply system safer and more reliable.

本发明上述实施例中需要说明的是:如图2所示,还包括PLC可编程控制器201,PLC可编程控制器201信号输出端与所述第一电动阀8和第二电动阀2连接,PLC可编程控制器201预置用于周期性开启第一电动阀8和第二电动阀2的程序;通过PLC可编程控制器201预置程序控制第一电动阀8和第二电动阀2的开启和关闭,使得本发明的稳流罐可以按照设定时间进行自动清洗。What needs to be explained in the foregoing embodiments of the present invention is: as shown in FIG. , the PLC programmable controller 201 presets the program for periodically opening the first electric valve 8 and the second electric valve 2; the first electric valve 8 and the second electric valve 2 are controlled by the PLC programmable controller 201 preset program The opening and closing of the surge tank of the present invention can automatically clean according to the set time.

本发明上述实施例中需要说明的是:如图3所示,反冲排水管6通过排水旁路301与所述出水口3连通;当用水客户端对水质要求较低的情况,例如工业用水或生活中水的用户端,可采用将反冲排水管6通过排水旁路301与所述出水口3连通,将水经过反冲排水,再经过杂质过滤器与出水口连通,最后送出供系统的用水终端使用。What needs to be explained in the above-mentioned embodiments of the present invention is that: as shown in Figure 3, the recoil drain pipe 6 communicates with the water outlet 3 through the drainage bypass 301; Or the user end of domestic water, the recoil drain pipe 6 can be connected to the water outlet 3 through the drainage bypass 301, the water is drained through the recoil, and then connected to the water outlet through the impurity filter, and finally sent out to the supply system end use of water.

以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (7)

1. a kind of steady-flow tank with automatic cleaning function, including tank body, the inlet and outlet that are arranged on tank body, feature It is:
The tank base is arranged back purge system, and back purge system includes flush pipe, backflushing water intake pipe, washback drainpipe and miscellaneous Mass filter, wherein flush pipe include interconnected endless tube and straight tube, and endless tube is to be arranged along the tank body inner arc side wall Annular conduit, straight tube is the horizontally disposed water pipe of bottom length direction along the tank body, on the side wall of the endless tube and straight tube Offer water jet;
Backflushing water intake pipe and washback drainpipe are set to the bottom of the tank body, backflushing water intake pipe by intake bypass with it is described into The mouth of a river is connected to, and contaminant filter is arranged on washback drainpipe.
2. a kind of steady-flow tank with automatic cleaning function according to claim 1, it is characterised in that:Positioned at the impurity mistake The first motor-driven valve is provided on washback drainpipe between filter and the tank body;It is electronic it to be provided with second on the water inlet Valve.
3. a kind of steady-flow tank with automatic cleaning function according to claim 2, it is characterised in that:Further include PLC to compile Range controller, PLC programmable controller signal output end are connect with first motor-driven valve and the second motor-driven valve, and PLC is programmable The preset program for periodically opening the first motor-driven valve and the second motor-driven valve of controller.
4. a kind of steady-flow tank with automatic cleaning function according to claims 1 to 3 any claim, feature exist In:Washback drainpipe is connected to by draining bypass with the water outlet.
5. a kind of steady-flow tank with automatic cleaning function according to claims 1 to 3 any claim, feature exist In:The contaminant filter is to be detachably connected with the washback drainpipe.
6. a kind of steady-flow tank with automatic cleaning function according to claims 1 to 3 any claim, feature exist In:The endless tube is two or more, and the length direction along the tank body is uniformly distributed.
7. a kind of steady-flow tank with automatic cleaning function according to claims 1 to 3 any claim, feature exist In:The water jet is uniformly distributed to be multiple along the endless tube and straight tube.
CN201810392795.3A 2018-04-27 2018-04-27 A kind of steady-flow tank with automatic cleaning function Pending CN108331086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810392795.3A CN108331086A (en) 2018-04-27 2018-04-27 A kind of steady-flow tank with automatic cleaning function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810392795.3A CN108331086A (en) 2018-04-27 2018-04-27 A kind of steady-flow tank with automatic cleaning function

Publications (1)

Publication Number Publication Date
CN108331086A true CN108331086A (en) 2018-07-27

Family

ID=62933771

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810392795.3A Pending CN108331086A (en) 2018-04-27 2018-04-27 A kind of steady-flow tank with automatic cleaning function

Country Status (1)

Country Link
CN (1) CN108331086A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110180213A (en) * 2019-06-26 2019-08-30 重庆真本味食品有限公司 A kind of spice extraction enrichment facility
CN111139897A (en) * 2020-01-19 2020-05-12 宁波大学 Secondary water supply system with purification function and method
CN111267225A (en) * 2020-03-24 2020-06-12 湖南挖挖工程科技有限公司 Intelligent automatic concrete mixing pump sending machine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100697649B1 (en) * 2006-06-29 2007-03-22 광명기전 주식회사 Simple tap water tank with built-in filter
KR20110060228A (en) * 2009-11-30 2011-06-08 (주)제이엘크린워터 Highland water supply system using pressure control tank
CN205398271U (en) * 2016-03-01 2016-07-27 海南立昇净水科技实业有限公司 Automatic wash integrated filtration system with constant pressure water supply
CN205617484U (en) * 2016-04-25 2016-10-05 长沙奔宇机电科技有限公司 Waste water reuse device of water supply equipment filter
CN106007117A (en) * 2016-05-27 2016-10-12 山东中鲁水务有限公司 High-quality water supply system of piped direct drinking water
CN107268718A (en) * 2017-08-15 2017-10-20 山东鑫和供水设备有限公司 A kind of efficient energy-saving full-automatic backwashes non-negative pressure water-supply installation
CN208202010U (en) * 2018-04-27 2018-12-07 天津晨天自动化设备工程有限公司 A kind of steady-flow tank with automatic cleaning function

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100697649B1 (en) * 2006-06-29 2007-03-22 광명기전 주식회사 Simple tap water tank with built-in filter
KR20110060228A (en) * 2009-11-30 2011-06-08 (주)제이엘크린워터 Highland water supply system using pressure control tank
CN205398271U (en) * 2016-03-01 2016-07-27 海南立昇净水科技实业有限公司 Automatic wash integrated filtration system with constant pressure water supply
CN205617484U (en) * 2016-04-25 2016-10-05 长沙奔宇机电科技有限公司 Waste water reuse device of water supply equipment filter
CN106007117A (en) * 2016-05-27 2016-10-12 山东中鲁水务有限公司 High-quality water supply system of piped direct drinking water
CN107268718A (en) * 2017-08-15 2017-10-20 山东鑫和供水设备有限公司 A kind of efficient energy-saving full-automatic backwashes non-negative pressure water-supply installation
CN208202010U (en) * 2018-04-27 2018-12-07 天津晨天自动化设备工程有限公司 A kind of steady-flow tank with automatic cleaning function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110180213A (en) * 2019-06-26 2019-08-30 重庆真本味食品有限公司 A kind of spice extraction enrichment facility
CN111139897A (en) * 2020-01-19 2020-05-12 宁波大学 Secondary water supply system with purification function and method
CN111267225A (en) * 2020-03-24 2020-06-12 湖南挖挖工程科技有限公司 Intelligent automatic concrete mixing pump sending machine

Similar Documents

Publication Publication Date Title
CN108331086A (en) A kind of steady-flow tank with automatic cleaning function
CN206350944U (en) It is a kind of can self-cleaning filter
CN101249343B (en) Automatic flushing filtering system
CN110563183A (en) Automatic water supply and drainage installation-free water purifier
CN203944192U (en) Filter and water heater for water heater
CN203598566U (en) Filter unit at pump inlet of nuclear power plant
CN203808227U (en) Full-automatic underground construction wastewater lifting device
CN207227077U (en) A kind of industrial water reverse osmosis filtration system
CN206604248U (en) A filter device for household heating pipes
CN214634509U (en) Straight-through water quality filtering guarantee system for secondary water supply
CN213475480U (en) Coal mine underground ceramic membrane water treatment system
CN208202010U (en) A kind of steady-flow tank with automatic cleaning function
CN115140859B (en) Water distribution and sewage disposal system for water purifier
CN214389166U (en) Launching control module
CN212188042U (en) High sand-containing water micro-irrigation non-full-flow filtering device
CN213375417U (en) Front automatic back-flushing filter
CN115770433A (en) A new type of fully automatic tubular ultrafiltration membrane pretreatment filter device
CN204034403U (en) Filter device for pipes, pipeline and waste water lifting pumping system
CN209636000U (en) A water purifier with full waterway flushing function
CN203803189U (en) Filter with pipeline sewage cleaning function
CN202237515U (en) Water replenishing type reverse filtering device
CN112755630A (en) Launching control module
CN209367869U (en) It is a kind of can be to the filter device that filter membrane is rinsed
CN216141353U (en) Active carbon filtering device for converter valve cooling system
CN207727674U (en) A kind of water storage device

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
TA01 Transfer of patent application right

Effective date of registration: 20201110

Address after: 300000 Jingde Garden 11-2-1701 (Science and Technology Park) on the southwest side of the intersection of Dongma Road and Beicheng Street, Nankai District, Tianjin

Applicant after: TIANJIN CHENTIAN AUTOMATION EQUIPMENT ENGINEERING Co.,Ltd.

Address before: 300000, No. 5 south sun Road, Tianjin, Nankai District (Tianjin Jingwei knitting mill back door)

Applicant before: TIANJIN HONGJIE INSTALLATION ENGINEERING Co.,Ltd.

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

Application publication date: 20180727