CN211111491U - Side-stream water treatment equipment with purification function - Google Patents

Side-stream water treatment equipment with purification function Download PDF

Info

Publication number
CN211111491U
CN211111491U CN201922105056.4U CN201922105056U CN211111491U CN 211111491 U CN211111491 U CN 211111491U CN 201922105056 U CN201922105056 U CN 201922105056U CN 211111491 U CN211111491 U CN 211111491U
Authority
CN
China
Prior art keywords
valve
filter tank
sewage discharge
pipe
ring
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
CN201922105056.4U
Other languages
Chinese (zh)
Inventor
周南屏
林纯普
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.)
Hubei Lingtan Electromechanical Equipment Co ltd
Original Assignee
Hubei Lingtan Electromechanical Equipment 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 Hubei Lingtan Electromechanical Equipment Co ltd filed Critical Hubei Lingtan Electromechanical Equipment Co ltd
Priority to CN201922105056.4U priority Critical patent/CN211111491U/en
Application granted granted Critical
Publication of CN211111491U publication Critical patent/CN211111491U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

The utility model discloses a side stream water treatment device with purification function, which comprises a first filter tank and a second filter tank, wherein the bottoms of the first filter tank and the second filter tank are respectively provided with support legs, a drain outlet at the bottom of the first filter tank is provided with a first drain pipe, the first drain pipe is provided with a first drain valve, a water inlet at the lower part of the circumferential surface of the first filter tank is provided with a water inlet pipe, the water inlet pipe is correspondingly provided with a water inlet valve, the middle part of the inner wall of the first filter tank is provided with a lower fixing ring, the middle part of the upper surface of the lower fixing ring is correspondingly provided with a buckle, the upper part of the inner wall of the first filter tank is provided with a pressure sensor, the top of the first filter tank is correspondingly provided with a first mounting ring, the side stream water treatment device with purification function has perfect functions, is convenient to install, can automatically feed purification agent, and can automatically operate, clean, and a specially-assigned person is not required to take care of operation and maintenance, so that convenience is brought to the use of a user.

Description

Side-stream water treatment equipment with purification function
Technical Field
The utility model relates to a side stream water treatment facilities technical field specifically is area purification performance's side stream water treatment facilities.
Background
The side stream water treatment equipment is equipment commonly used in water treatment of a heating and ventilation air-conditioning system, and at present, water scale is deposited in pipelines in a heating and ventilation central air-conditioning system and a boiler system, so that the water flow is reduced, and the water supply capacity is reduced; incrustation scale blocks up indirect heating equipment and pipeline, reduces heat exchange efficiency, increases the energy consumption, has shortened equipment life, and current side stream water treatment facility structure is complicated, and the function is single, and the installation is inconvenient, is not convenient for throw automatically and adds the purification medicament, and the automation of being not convenient for in addition moves and washs the maintenance, needs the special messenger to take care of the maintenance, has brought the influence for user's practicality.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide the side stream water treatment facilities of taking purification performance, simple structure, the function is perfect, simple to operate can throw automatically and purify the medicament, can automatic operation and washing maintenance moreover, does not need the special messenger to see the pipe operation and maintain, and the practicality of giving the user has brought the facility, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the side stream water treatment equipment with the purification function comprises a first filter tank and a second filter tank, wherein supporting legs are arranged at the bottoms of the first filter tank and the second filter tank, a drain outlet at the bottom of the first filter tank is provided with a first drain pipe, the first drain pipe is provided with a first drain valve, a water inlet pipe is arranged at a water inlet at the lower part of the circumferential surface of the first filter tank, a water inlet valve is correspondingly arranged on the water inlet pipe, a lower fixing ring is arranged at the middle part of the inner wall of the first filter tank, a ring buckle is correspondingly arranged at the middle part of the upper surface of the lower fixing ring, a pressure sensor is arranged at the upper part of the inner wall of the first filter tank, a first mounting ring is correspondingly arranged at the top of the first filter tank, a ring groove is arranged at the middle part of the upper surface of the first mounting ring, a filter unit is correspondingly arranged in the ring groove, a first top cover is arranged above the mounting ring, and, the center of the bottom of the first top cover is provided with a cleaning unit, a drain outlet at the bottom of the second filter tank is provided with a second drain pipe, the second drain pipe is correspondingly provided with a second drain valve, the bottom end of the second drain pipe is communicated with the first drain pipe positioned at the outlet end of the first drain valve, a water outlet pipe is arranged at the water outlet at the lower part of the second filter tank, a water outlet valve is correspondingly arranged on the water outlet pipe, the upper surface of the second filter tank is provided with a second mounting ring, a second top cover is arranged above the second mounting ring, an electrode bar is arranged at the center of the upper surface of the second top cover, the bottom end of the electrode bar penetrates through the second top cover and extends to the inner cavity of the second filter tank, one side of the upper surface of the second top cover is provided with a medicament supplementing unit, the second mounting ring is fixedly connected with the second top cover through a fixing bolt, and the water outlet at the upper part of the first filter tank is communicated with a water, the upper surface of second top cap is equipped with the singlechip, the input of singlechip is connected with external power source's output electricity, the output of singlechip is even with the input electricity of electrode bar.
As a preferred technical scheme of the utility model, the filter unit includes upper fixed ring, filtration pore and cartridge filter, the bottom inner wall of cartridge filter corresponds the joint with the outer wall of latch closure, the upper surface of cartridge filter is equipped with upper fixed ring, upper fixed ring corresponds the joint with the ring channel, the filtration pore has been seted up to the periphery array of cartridge filter, form the purification cavity between upper fixed ring, lower fixed ring and the first inner wall of filtering the jar, first delivery port and the purification cavity intercommunication of filtering the jar.
As a preferred technical scheme of the utility model, the cleaning unit includes servo motor, brush and pivot, servo motor fixes the center at first top cap upper surface, the pivot passes through the bearing and rotates the center of connecting in first top cap bottom, it is equipped with the brush to correspond to arrange on the periphery of pivot, servo motor's output shaft and the top fixed connection of pivot, servo motor's input is connected with the output electricity of singlechip.
As a preferred technical scheme of the utility model, the medicament supplyes the unit including advancing the pencil and advancing the medicine valve, advance the pencil and establish the one side at second top cap upper surface, the bottom that advances the pencil runs through the inner chamber that the second top cap extends to the second filter tank, it is equipped with into the medicine valve to advance to correspond on the pencil.
As an optimal technical scheme of the utility model, first blowdown valve, water intaking valve, second blowoff valve, outlet valve and the medicine valve of advancing are the solenoid valve, and the input of first blowdown valve, water intaking valve, second blowoff valve, outlet valve and the medicine valve of advancing is connected with the output electricity of singlechip respectively.
Compared with the prior art, the beneficial effects of the utility model are that: the side stream water treatment equipment with the purification function can realize the function of automatically adding the purification agent by controlling the timed start and close of the medicine inlet valve through the single chip microcomputer, the medicine inlet pipe can add the purification agent into the second filter tank at regular time, the first sewage discharge valve, the water inlet valve, the second sewage discharge valve, the water outlet valve, the medicine inlet valve and the electrode rod are controlled by the single chip microcomputer to work, the automatic operation of the equipment can be realized, the pressure in the purification chamber can be detected in real time through the pressure sensor, and the information is fed back to the single chip microcomputer, when the pressure is reduced and the filter cartridge needs to be cleaned, the single chip microcomputer controls the servo motor to work to drive the rotating shaft and the hairbrush to clean the inner wall of the filter cartridge, the automatic cleaning and maintenance of the equipment can be realized, the installation and the disassembly and the maintenance of the filter cartridge are convenient through the upper fixing ring, the ring, the equipment has the advantages of simple structure, perfect functions, convenient installation, no need of special people to supervise operation and maintenance, and convenience brought to the practicality of users.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an internal cross-sectional view of the present invention;
FIG. 3 is a schematic view of the internal structure of the first filtration tank of the present invention;
FIG. 4 is a schematic structural view of the filtering unit of the present invention;
fig. 5 is a schematic diagram of the structure of the cleaning unit of the present invention.
In the figure: 1 first filter tank, 2 water inlet valves, 3 water inlet pipes, 4 first mounting rings, 5 fixing bolts, 6 first top covers, 7 medicament supplementing units, 71 medicament inlet pipes, 72 medicament inlet valves, 8 single-chip microcomputers, 9 electrode bars, 10 second top covers, 11 second filter tanks, 12 water outlet valves, 13 water outlet pipes, 14 second sewage discharge pipes, 15 second sewage discharge valves, 16 first sewage discharge valves, 17 first sewage discharge pipes, 18 support legs, 19 connecting pipes, 20 lower fixing rings, 21 ring buckles, 22 ring grooves, 23 pressure sensors, 24 filter units, 241 upper fixing rings, 242 filter holes, 243 filter cylinders, 25 cleaning units, 251 servo motors, 252 brushes, 253 rotating shafts and 26 second mounting rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the side stream water treatment equipment with the purification function comprises a first filter tank 1 and a second filter tank 11, wherein supporting legs 18 are arranged at the bottoms of the first filter tank 1 and the second filter tank 11, a drain outlet at the bottom of the first filter tank 1 is provided with a first drain pipe 17, a first drain valve 16 is arranged on the first drain pipe 17, a water inlet pipe 3 is arranged at a water inlet at the lower part of the circumferential surface of the first filter tank 1, a water inlet valve 2 is correspondingly arranged on the water inlet pipe 3, a lower fixing ring 20 is arranged in the middle of the inner wall of the first filter tank 1, a ring buckle 21 is correspondingly arranged in the middle of the upper surface of the lower fixing ring 20, a pressure sensor 23 is arranged at the upper part of the inner wall of the first filter tank 1, a first mounting ring 4 is correspondingly arranged at the top of the first filter tank 1, a ring groove 22 is arranged in the middle of the upper surface of the first mounting ring 4, a filter unit 24 is correspondingly arranged in the, the inner wall of the bottom end of the filter cylinder 243 is correspondingly clamped with the outer wall of the buckle 21, the upper surface of the filter cylinder 243 is provided with an upper fixing ring 241, the upper fixing ring 241 is correspondingly clamped with the annular groove 22, the circumferential surface array of the filter cylinder 243 is provided with filter holes 242, a purification chamber is formed between the upper fixing ring 241, the lower fixing ring 20 and the inner wall of the first filter tank 1, the water outlet of the first filter tank 1 is communicated with the purification chamber, the filtration is carried out through the filter cylinder 243, a first top cover 6 is arranged above the mounting ring 4, the mounting ring 4 is fixedly connected with the first top cover 6 through a fixing bolt 5, the center of the bottom of the first top cover 6 is provided with a cleaning unit 25, the cleaning unit 25 comprises a servo motor 251, a brush 252 and a rotating shaft 253, the servo motor 251 is fixed at the center of the upper surface of the first top cover 6, the rotating shaft 253 is rotatably connected, an output shaft of the servo motor 251 is fixedly connected with the top end of the rotating shaft 253, the rotating shaft 253 and the brush 254 are driven to rotate through the servo motor 251 to clean the inner wall of the filter cartridge 243, a second sewage discharge pipe 14 is arranged at a sewage discharge port at the bottom of the second filter tank 11, a second sewage discharge valve 15 is correspondingly arranged on the second sewage discharge pipe 14, the bottom end of the second sewage discharge pipe 14 is communicated with a first sewage discharge pipe 17 positioned at the outlet end of the first sewage discharge valve 16, a water outlet pipe 13 is arranged at a water outlet at the lower part of the second filter tank 11, a water outlet valve 12 is correspondingly arranged on the water outlet pipe 13, a second mounting ring 26 is arranged on the upper surface of the second filter tank 11, a second top cover 10 is arranged above the second mounting ring 26, an electrode rod 9 is arranged at the center of the upper surface of the second top cover 10, the bottom end of the electrode rod 9 penetrates through the second top cover 10 to extend to the inner cavity of, the medicament supplementing unit 7 comprises a medicament inlet pipe 71 and a medicament inlet valve 72, the medicament inlet pipe 71 is arranged on one side of the upper surface of the second top cover 10, the bottom end of the medicament inlet pipe 71 penetrates through the second top cover 10 and extends to the inner cavity of the second filter tank 11, the medicament inlet pipe 71 is correspondingly provided with the medicament inlet valve 72, required purifying medicaments can be added into the equipment through the medicament inlet valve 72 and the medicament inlet pipe 71, the second mounting ring 26 and the second top cover 10 are fixedly connected through a fixing bolt 5, a water outlet at the upper part of the first filter tank 1 is communicated with a water inlet at the upper part of the second filter tank 11 through a connecting pipe 19, the upper surface of the second top cover 10 is provided with a single chip microcomputer 8, the input end of the single chip microcomputer 8 is electrically connected with the output end of an external power supply, the first sewage discharge valve 16, the water inlet valve 2, the second sewage valve 15, the water outlet valve 12 and the medicament inlet valve 72 are all electromagnetic valves, The input ends of the second blowoff valve 15, the water outlet valve 12, the medicine inlet valve 72, the electrode rod 9 and the servo motor 251 are electrically connected, the singlechip 8 controls the first blowoff valve 16, the water inlet valve 2, the second blowoff valve 15, the water outlet valve 12 and the medicine inlet valve 72 to work, automatic operation can be realized, the cleaning unit 25 comprises the servo motor 251, a brush 252 and a rotating shaft 253, the servo motor 251 is fixed at the center of the upper surface of the first top cover 6, the rotating shaft 253 is rotatably connected at the center of the bottom of the first top cover 6 through a bearing, the brush 252 is correspondingly arranged on the circumferential surface of the rotating shaft 253, the output shaft of the servo motor 251 is fixedly connected with the top end of the rotating shaft 253, the input end of the servo motor 251 is electrically connected with the output end of the singlechip 8, the rotating shaft 253 and the brush 254 are driven by the servo motor 251 to rotate, the inner wall of the filter cylinder, the medicine inlet pipe 71 is arranged on one side of the upper surface of the second top cover 10, the bottom end of the medicine inlet pipe 71 penetrates through the second top cover 10 and extends to the inner cavity of the second filter tank 11, the medicine inlet pipe 71 is correspondingly provided with a medicine inlet valve 72, and required purifying medicines can be added into the device through the medicine inlet valve 72 and the medicine inlet pipe 71.
When in use: switching on a power supply, communicating the medicine inlet pipe 71 with an external purifying agent storage source, communicating the water inlet pipe 3 with a system pipeline, starting the water inlet valve 2 and the water outlet valve 12 through the single chip microcomputer 8, starting the electrode rod 9 to work, enabling sewage to flow into the inner cavity of the filter barrel 243 from the bottom of the filter barrel 243 to be filtered, then entering a purifying cavity through the filter hole 242, flowing into the second filter tank 11 through the connecting pipe, performing further purification and sterilization and algae removal treatment through the electrode rod 9, and finally enabling purified water to flow out of the water outlet pipe 13; in the purification treatment process, the singlechip 8 controls the timed opening of the medicine inlet valve 72, and the medicine inlet pipe 71 can add required purification medicines into the equipment at regular time; the pressure sensor 23 can detect the pressure in the purification chamber in real time and feed information back to the single chip microcomputer 8, when the pressure is reduced and the filter cartridge 243 needs to be cleaned, the water inlet valve 2 and the water outlet valve 12 are closed through the single chip microcomputer 8, meanwhile, the servo motor 251 is controlled to work through the single chip microcomputer 8, the rotating shaft 253 and the brush 254 are driven to rotate, the inner wall of the filter cartridge 243 is cleaned, then the first blow-off valve 16 and the second blow-off valve 15 are opened through the single chip microcomputer 8 to discharge sewage, and automatic cleaning and maintenance can be carried out; the filter cartridge 243 can be conveniently assembled and disassembled for maintenance through the upper fixing ring 241, the annular groove 22 on the first mounting ring 4 and the ring buckle 21 on the lower fixing ring 20.
The utility model discloses simple structure, the function is perfect, simple to operate can throw automatically and purify the medicament, can automatic operation and washing maintenance moreover, does not need the special messenger to see the management operation and maintain, and the practicality of giving the user has brought the facility.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. Take purification performance's by-pass water treatment facilities, including first filter tank (1) and second filter tank (11), its characterized in that: the bottom of the first filtering tank (1) and the bottom of the second filtering tank (11) are respectively provided with supporting legs (18), a sewage discharge outlet at the bottom of the first filtering tank (1) is provided with a first sewage discharge pipe (17), the first sewage discharge pipe (17) is provided with a first sewage discharge valve (16), a water inlet at the lower part of the periphery of the first filtering tank (1) is provided with a water inlet pipe (3), the water inlet pipe (3) is correspondingly provided with a water inlet valve (2), the middle part of the inner wall of the first filtering tank (1) is provided with a lower fixing ring (20), the middle part of the upper surface of the lower fixing ring (20) is correspondingly provided with a ring buckle (21), the upper part of the inner wall of the first filtering tank (1) is provided with a pressure sensor (23), the top of the first filtering tank (1) is correspondingly provided with a first mounting ring (4), the middle part of the upper surface of the first mounting ring, a filtering unit (24) is correspondingly arranged in the annular groove (22), a first top cover (6) is arranged above the mounting ring (4), the mounting ring (4) and the first top cover (6) are fixedly connected through a fixing bolt (5), a cleaning unit (25) is arranged at the center of the bottom of the first top cover (6), a second sewage discharge pipe (14) is arranged at a sewage discharge outlet at the bottom of the second filtering tank (11), a second sewage discharge valve (15) is correspondingly arranged on the second sewage discharge pipe (14), the bottom of the second sewage discharge pipe (14) is communicated with a first sewage discharge pipe (17) positioned at the outlet end of the first sewage discharge valve (16), a water outlet pipe (13) is arranged at the lower part of the second filtering tank (11), a water outlet valve (12) is correspondingly arranged on the water outlet pipe (13), a second mounting ring (26) is arranged on the upper surface of the second filtering tank (11), a second top cover (10) is arranged above the second mounting ring (26), the center of second top cap (10) upper surface is equipped with electrode bar (9), the bottom of electrode bar (9) passes second top cap (10) and extends to the inner chamber that second filtered jar (11), one side of second top cap (10) upper surface is equipped with medicament and supplyes unit (7), second collar (26) and second top cap (10) are through fixing bolt (5) fixed connection, the delivery port on first filtration jar (1) upper portion passes through connecting pipe (19) and the water inlet intercommunication on second filtration jar (11) upper portion, the upper surface of second top cap (10) is equipped with singlechip (8), the input of singlechip (8) is connected with external power source's output electricity, the output of singlechip (8) is connected with the input electricity of electrode bar (9).
2. The apparatus for treating bypass water with purification function according to claim 1, wherein: the filter unit (24) includes last fixed ring (241), filtration pore (242) and cartridge filter (243), the bottom inner wall of cartridge filter (243) corresponds the joint with the outer wall of latch closure (21), the upper surface of cartridge filter (243) is equipped with last fixed ring (241), last fixed ring (241) corresponds the joint with ring channel (22), filtration pore (242) have been seted up to the periphery array of cartridge filter (243), form between the inner wall of last fixed ring (241), lower fixed ring (20) and first filter tank (1) and purify the cavity, the delivery port and the purification cavity intercommunication of first filter tank (1).
3. The apparatus for treating bypass water with purification function according to claim 1, wherein: the cleaning unit (25) comprises a servo motor (251), a brush (252) and a rotating shaft (253), the servo motor (251) is fixed at the center of the upper surface of the first top cover (6), the rotating shaft (253) is rotatably connected to the center of the bottom of the first top cover (6) through a bearing, the brush (252) is correspondingly arranged on the circumferential surface of the rotating shaft (253), an output shaft of the servo motor (251) is fixedly connected with the top end of the rotating shaft (253), and the input end of the servo motor (251) is electrically connected with the output end of the single chip microcomputer (8).
4. The apparatus for treating bypass water with purification function according to claim 1, wherein: the medicament supplementing unit (7) comprises a medicament inlet pipe (71) and a medicament inlet valve (72), wherein the medicament inlet pipe (71) is arranged on one side of the upper surface of the second top cover (10), the bottom end of the medicament inlet pipe (71) penetrates through the inner cavity of the second top cover (10) and extends to the second filter tank (11), and the medicament inlet pipe (71) is correspondingly provided with the medicament inlet valve (72).
5. The bypass water treatment apparatus with purification function according to claim 4, characterized in that: the first sewage discharging valve (16), the water inlet valve (2), the second sewage discharging valve (15), the water outlet valve (12) and the medicine inlet valve (72) are all electromagnetic valves, and the input ends of the first sewage discharging valve (16), the water inlet valve (2), the second sewage discharging valve (15), the water outlet valve (12) and the medicine inlet valve (72) are respectively and electrically connected with the output end of the single chip microcomputer (8).
CN201922105056.4U 2019-11-29 2019-11-29 Side-stream water treatment equipment with purification function Active CN211111491U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922105056.4U CN211111491U (en) 2019-11-29 2019-11-29 Side-stream water treatment equipment with purification function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922105056.4U CN211111491U (en) 2019-11-29 2019-11-29 Side-stream water treatment equipment with purification function

Publications (1)

Publication Number Publication Date
CN211111491U true CN211111491U (en) 2020-07-28

Family

ID=71704323

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922105056.4U Active CN211111491U (en) 2019-11-29 2019-11-29 Side-stream water treatment equipment with purification function

Country Status (1)

Country Link
CN (1) CN211111491U (en)

Similar Documents

Publication Publication Date Title
CN108314220B (en) Energy-saving domestic water purification equipment
CN213569926U (en) Ecological environment-friendly sewage treatment device
CN211111491U (en) Side-stream water treatment equipment with purification function
CN110606591A (en) Wastewater utilization multistage filtration sewage treatment box
CN105126415A (en) Prefilter with self-cleaning function and cleaning device of prefilter
CN209501131U (en) Without motor-driven rotation type wind smoke pipeline filter device
CN201529432U (en) Security filter
CN204380363U (en) Rotary self-cleaning filter
CN213986453U (en) Sewage treatment detection device
CN203170088U (en) Novel full-automatic brushing-scraping-type filter
CN210346468U (en) Heat exchanger with back flush function
CN209778554U (en) Marine sewage water purification unit with dirt removal function
CN208493416U (en) A kind of filter that can be cleaned automatically
CN208641965U (en) A kind of full automatic brush type filter
CN207243630U (en) One kind can self-cleaning industrial wastewater multiple purifying device
CN210751452U (en) High-speed self-cleaning filter
CN210874387U (en) High-efficient bypass water purification device
CN206915872U (en) A kind of Sewage treatment utilizes device
CN215692079U (en) Drinking water sterilizing device for life
CN211245954U (en) Red lead production exhaust gas cyclic utilization device
CN213981214U (en) Circulating filtration type backwashing pump
CN217163415U (en) Municipal administration water supply line device of decontaminating
CN216377695U (en) Water-saving anti-blocking reverse osmosis water purifier
CN214829696U (en) Sewage treatment plant of green building
CN215161573U (en) Simple device for purifying drinking water by domestic water purifying agent

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant