CN202671324U - Portable and moveable ultrafiltration water purifier - Google Patents

Portable and moveable ultrafiltration water purifier Download PDF

Info

Publication number
CN202671324U
CN202671324U CN 201220369938 CN201220369938U CN202671324U CN 202671324 U CN202671324 U CN 202671324U CN 201220369938 CN201220369938 CN 201220369938 CN 201220369938 U CN201220369938 U CN 201220369938U CN 202671324 U CN202671324 U CN 202671324U
Authority
CN
China
Prior art keywords
water
buffer memory
filtration
filter core
raw 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.)
Withdrawn - After Issue
Application number
CN 201220369938
Other languages
Chinese (zh)
Inventor
叶秀友
梁建林
彭开勤
刘峰
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.)
Zhejiang Qinyuan Water Treatment Technology Co Ltd
Original Assignee
Zhejiang Qinyuan Water Treatment Technology 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 Zhejiang Qinyuan Water Treatment Technology Co Ltd filed Critical Zhejiang Qinyuan Water Treatment Technology Co Ltd
Priority to CN 201220369938 priority Critical patent/CN202671324U/en
Application granted granted Critical
Publication of CN202671324U publication Critical patent/CN202671324U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Images

Abstract

The utility model discloses a portable and moveable ultrafiltration water purifier which comprises a purifier shell, wherein a raw water box which can be sealed and a pressure raw water buffer chamber as well as a filtration device communicated with the pressure raw water buffer chamber are arranged in the purifier shell; a one-way water guiding pipe is communicated between the raw water box and the pressure raw water buffer chamber; a manual press type air supercharging device is arranged on the purifier shell; the air supercharging device presses raw water in the raw water box into the raw water buffer chamber through the one-way water guiding pipe; and pressure raw water is filtered and purified by the filter device which is assembled by a filter device installing chamber so as to form purified water to be discharged from a purified water discharging pipe on the purifier shell. The portable and moveable ultrafiltration water purifier is simple in structure, small in size and convenient to carry, and can effectively solve the problem of safe drinking when people act for a long term outdoor and under the emergent condition.

Description

A kind of Portable movable ultra-filtration water purifier
Technical field
The utility model relates to high-efficiency water purifying treatment device, particularly can make things convenient for outdoor carry a kind of water purifier that safe drinking water is provided, specifically a kind of Portable movable ultra-filtration water purifier.
Background technology
At present in the prior art working conditions of ultra-filtration water purifier to be generally limited to the water source be the municipal tap water, and the pressure of water will be between 0.1Mpa~0.4Mpa in the use procedure, as not satisfying these conditions, product can not use.Because in the inadequate situation of the pressure of water, water just can't be realized flowing of filtering type, so this series products has just had certain limitation, some indispensable conditions is arranged.Although this series products can bring convenience healthy tap water to the user, it can not satisfy the use under some particular surroundingss, can not satisfy all consumer demands.Particularly when people away from indoor, perhaps urban district is when coming the open air, for example countryside, field, desert etc. are during namely away from the municipal tap water, under these circumstances, when the human consumer needs the tap water of safety, general product all can't satisfy human consumer's this demand.And if people drink in this case less than clean water, just be easy to cause the disease of stomach, seriously can be in peril of one's life.In order to reduce field work risk and guarantee people's life security, at this moment just need a kind of ultra-filtration water purifier of exploitation, can transfer the water filtration that the open air can not directly be drunk to the safe water that can directly drink.
Summary of the invention
Technical problem to be solved in the utility model is for above-mentioned prior art present situation, is suitable for field usage and volume is little, performance is good, easy to operate a kind of Portable movable ultra-filtration water purifier and provide.This water purifier can be converted into river, lake water or sewage etc. and meet the safe water that people drink, and solves the Drinking Water Problem under all difficulties condition.
The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of Portable movable ultra-filtration water purifier, comprise water clarifier shell, the filtration unit installation room that is provided with a sealable raw water box and a pressure former water buffer memory chamber in the water clarifier shell and is connected with the former water buffer memory of pressure chamber is communicated with a unidirectional water pipe between raw water box and the former water buffer memory of this pressure chamber; One manual push type Air pressurizer is installed on the water clarifier shell, this Air pressurizer is pressed into the former water of the former water buffer memory of pressure chamber mineralization pressure with the former water in the raw water box through unidirectional water pipe, and the former water of pressure forms the water purification water shoot discharge that water purification is shaped with from water clarifier shell after installing after filtration the equipped filtration unit filtration, purification of installation room.
For optimizing technique scheme, Adopts measure also comprises:
Be provided with water purification buffer memory chamber in the above-mentioned water clarifier shell, the water-in of this water purification buffer memory chamber is connected with the water outlet of filtration unit, and the water purification water shoot is connected to the water outlet of water purification buffer memory chamber.
Above-mentioned filtration unit comprises elementary filter core, secondary filter core and final stage filter core, and this elementary filter core and secondary filter core and final stage filter core are equipped successively from top to bottom.
Above-mentioned elementary filter core, secondary filter core and final stage filter core are respectively the cotton filter core of PP, sintering charcoal filter core and ultrafiltration membrane filter element.
Above-mentioned raw water box top has water filling port, and this water filling port sealing is fitted with tank lid.
Above-mentioned Air pressurizer is hand increasing pressure pump, this hand increasing pressure pump comprises that cylinder barrel is subjected to the hand lever drive to slide up and down the piston that carries out the suction and discharge campaign along the cylinder barrel inwall with being arranged in this cylinder barrel, hand lever passes the upper surface of cylinder barrel, and the top of hand lever is equipped with pressurization control, the exhaust-duct of cylinder barrel is connected with raw water box, and on this exhaust-duct check valve is installed.
On the above-mentioned unidirectional water pipe water check valve is installed, this water check valve is installed in unidirectional water pipe and is positioned at the indoor unidirectional water pipe water port place of the former water buffer memory of pressure.
The former water buffer memory of above-mentioned pressure chamber is positioned at the top of filtration unit, and water purification buffer memory chamber is positioned at the below of filtration unit; Pressure former water buffer memory chamber and filtration unit and water purification buffer memory chamber are the longitudinal arrangement combination from top to bottom.
Above-mentioned unidirectional water pipe vertically is arranged in the raw water box, and the feed-water end of this unidirectional water pipe is positioned at the bottom of raw water box.
Two cavity volumes about above-mentioned water clarifier shell is divided into by vertical stationary barrier, right cavity has consisted of above-mentioned raw water box, left cavity is divided into three chambers that are arranged above and below by upper spacer and lower clapboard, these three chambers have consisted of respectively above-mentioned pressure former water buffer memory chamber and filtration unit installation room and water purification buffer memory chamber, and upper spacer and lower clapboard are fixed dividing plate or upper spacer and lower clapboard and are the movable mode clapboard that can regulate three cavity volume sizes of left cavity.
Compared with prior art, the utility model utilization is installed in Manual press Air pressurizer on the ultra-filtration water purifier and realizes supercharging to former water, the pressure that guarantees former water has the pressure requirement that filtration unit uses, filteration by filtration unit filters out the silt in the former water, solid impurity, heavy metal, particulate matter, variegated, colloid, bacterium, larger molecular organics etc. objectionable impurities, thereby obtains clean tap water.
Maximum characteristics of the present utility model are:
1, volume is little, and is removable, is easy to carry.
2, be not subjected to the water source to limit, need not to connect the municipal tap water, applied widely.
3, do not require intake pressure, can realize that pressure is self-supporting by the manual pressure mode.
4, being fit to very much the emergency situatioies such as long-term outdoor sports and earthquake relief work uses.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is principle of work schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is to Figure 2 shows that structure ﹠processes principle schematic of the present utility model.
Reference numeral wherein is: water clarifier shell 1, water purification water shoot 11, raw water box 2, tank lid 21, the former water buffer memory of pressure chamber 3, the cotton filter core 41 of PP, sintering charcoal filter core 42, ultrafiltration membrane filter element 43, unidirectional water pipe 5, water check valve 51, water purification buffer memory chamber 6, vertical stationary barrier 7, upper spacer 81, lower clapboard 82, Air pressurizer 9, cylinder barrel 91, hand lever 92, piston 93, pressurization control 94, check valve 95.
Extremely shown in Figure 2 such as Fig. 1, a kind of Portable movable ultra-filtration water purifier of the present utility model, comprise water clarifier shell 1, the filtration unit installation room that is provided with a sealable raw water box 2 and the former water buffer memory of pressure chamber 3 in the water clarifier shell 1 and is connected with the former water buffer memory of pressure chamber 3, raw water box 2 and 3 of the former water buffer memory of this pressure chambers are communicated with a unidirectional water pipe 5; One manual push type Air pressurizer 9 is installed on the water clarifier shell 1, this Air pressurizer 9 is pressed into the former water of the former water buffer memory of pressure chamber 3 mineralization pressures with the former water in the raw water box 2 through unidirectional water pipe 5, and the former water of pressure forms water purification water shoot 11 discharges that water purification is shaped with from water clarifier shell 1 after installing after filtration the equipped filtration unit filtration, purification of installation room.The water purifier of the relative prior art of the utility model has stronger adaptability, can satisfy at the field usage without the municipal tap water, in the situation without safe drinking water in the time of can being used for long-term outdoor life and the various emergent occasion such as tourism and the disaster relief, gather materials on the spot, reach the water purification that meets people's standard for drinking by filtration with the water in the rivers and lakes.Because filtration unit needs former water that certain operating pressure is arranged in use, so Manual press Air pressurizer 9 is installed on the utility model water clarifier shell 1 separately, utilize Air pressurizer 9 for storing the former water supercharging in raw water box 2, guarantee the normal use of water purifier.The special place of the utility model another one is to be provided with the former water buffer memory of pressure chamber 3, and the former water buffer memory of pressure chamber 3 can store the former water of a certain amount of pressure.After former water pressure decline in Air pressurizer 9 quits work raw water box 2 was restored, the former water of pressure of the former water buffer memory of pressure chamber 3 can not be subjected to the impact of raw water box 2, and can continue as filtration unit provides the pressure that is suitable for service requirements former water.Air pressurizer 9 of the present utility model can be pressurized to former water more than the 0.1Mpa.
In order further to improve technical feature of the present utility model, among the embodiment, be provided with water purification buffer memory chamber 6 in the water clarifier shell 1, the water-in of this water purification buffer memory chamber 6 is connected with the water outlet of filtration unit, and water purification water shoot 11 is connected to the water outlet of water purification buffer memory chamber 6.Water purification buffer memory chamber 6 is used for storing the water purification after filtering, and just can open at any time switch and drink when people need to drink water.
Filtration unit of the present utility model comprises elementary filter core, secondary filter core and final stage filter core, and this elementary filter core and secondary filter core and final stage filter core are equipped successively from top to bottom.The utility model adopts three-stage filtration with the drinking water quality after guaranteeing to purify, and three grades of filter cores are installed up and down, make former water also can rely on deadweight infiltration downwards, thereby arrangement mode more rationally and science.
Among the embodiment, elementary filter core, secondary filter core and final stage filter core adopt respectively the cotton filter core 41 of PP, sintering charcoal filter core 42 and ultrafiltration membrane filter element 43.The cotton filter core 41 of PP has the characteristics of high porosity, high rejection, large dirt receiving, large flow, low pressure drop.The cotton filter core of PP aperture is fine and close, even, and filtration efficiency is high.Sintering charcoal filter core then can be removed the foreign material such as suspended substance in the fluid, particulate, iron rust effectively, and filtering feature is good.Ultrafiltration membrane filter element 43 can be retained down bacterium and the colloid more much bigger than bacterium volume, larger molecular organics etc.
Among the embodiment, raw water box 2 tops have water filling port, and this water filling port sealing is fitted with tank lid 21.Raw water box 2 has water filling port on top be convenient with adding raw water boxs 2 such as former water such as river, lake water.Tank lid 21 can with water filling port helixseal locking, can be achieved when guaranteeing Air pressurizer 9 as raw water box 2 supercharging.
Air pressurizer 9 of the present utility model is hand increasing pressure pump, this hand increasing pressure pump comprises that cylinder barrel 91 is subjected to hand lever 92 drives to slide up and down the piston 93 that carries out the suction and discharge campaign along cylinder barrel 91 inwalls with being arranged in this cylinder barrel 91, hand lever 92 passes the upper surface of cylinder barrel 91, and the top of hand lever 92 is equipped with pressurization control 94, the exhaust-duct of cylinder barrel 91 is connected with raw water box 2, and on this exhaust-duct check valve 95 is installed.As can be seen from Figure 1, pressurization control 94 is installed on the hand lever 92, people can the method by the injection air be former water supercharging in the raw water box 2 just as long as press pressurization control 94 with hand reciprocating pulling.
Among the embodiment, on the unidirectional water pipe 5 water check valve 51 is installed, this water check valve 51 is installed in the unidirectional water pipe water port place that unidirectional water pipe 5 is positioned at the former water buffer memory of pressure chamber 3.Raw water box 2 is connected 3 of water buffer memory chambers and is connected by unidirectional water pipe 5 with pressure, and the one-way conduction characteristic of unidirectional water pipe 5 is to realize by the water check valve 51 of installing, thereby has guaranteed that the former water of pressure in the former water buffer memory of the pressure chamber 3 can not be back in the raw water box 2.
The former water buffer memory of pressure chamber 3 is positioned at the top of filtration unit, and water purification buffer memory chamber 6 is positioned at the below of filtration unit; The former water buffer memory of pressure chamber 3 and filtration unit and water purification buffer memory chamber 6 are the longitudinal arrangement combination from top to bottom.This design science of the utility model is reasonable, and compact construction can be in the maximum application effect of each functional module of basis performance that reduces the water purifier volume as far as possible.
Unidirectional water pipe 5 of the present utility model vertically is arranged in the raw water box 2, and the feed-water end of this unidirectional water pipe 5 is positioned at the bottom of raw water box 2.
Among the embodiment, two cavity volumes about water clarifier shell 1 is divided into by vertical stationary barrier 7, right cavity has consisted of above-mentioned raw water box 2, left cavity is divided into three chambers that are arranged above and below by upper spacer 81 and lower clapboard 82, these three chambers have consisted of respectively the former water buffer memory of above-mentioned pressure chamber 3 and filtration unit installation room and water purification buffer memory chamber 6, and upper spacer 81 and lower clapboard 82 are fixed dividing plate or upper spacer 81 and lower clapboard 82 and are the movable mode clapboard that can regulate three cavity volume sizes of left cavity.
Figure 2 shows that principle of work schematic diagram of the present utility model.Specific operation process of the present utility model is as follows:
The first step: at first the tank lid 21 on raw water box 2 water filling ports is screwed off, the former water that purify such as river, lake water etc. are joined in the raw water box 2, then screw tank lid 21 and make raw water box 2 be in sealed state.
Second step: adopt manual method back and forth to spur the pressurization control 94 of Air pressurizer 9 with hand, at this moment the air in the cylinder barrel 91 begins supercharging and will have the pressurized air of certain pressure to inject raw water box 2, constantly enter along with compressed-air actuated, make the hydraulic pressure of raw water box 2 interior former water begin to increase, former water enters the former water buffer memory of pressure chamber 3 by water check valve 51 again by unidirectional water pipe 5.
The 3rd step: along with constantly up and down reciprocatingly pulling of pressurization control 94, make the former water in the raw water box 2 constantly enter the former water buffer memory of pressure chamber 3 again by the cotton filter core 41 of PP, sintering charcoal filter core 42 is finally by ultrafiltration membrane filter element 43, silt in the water, solid impurity, heavy metal, particulate matter, variegated, colloid, bacterium, larger molecular organics etc. are filtered out, thereby obtain clean tap water.

Claims (10)

1. Portable movable ultra-filtration water purifier, comprise water clarifier shell (1), it is characterized in that: the filtration unit installation room that is provided with a sealable raw water box (2) and the former water buffer memory of pressure chamber (3) in the described water clarifier shell (1) and is connected with the former water buffer memory of pressure chamber (3) is communicated with a unidirectional water pipe (5) between described raw water box (2) and the former water buffer memory of this pressure chamber (3); One manual push type Air pressurizer (9) is installed on the described water clarifier shell (1).
2. a kind of Portable movable ultra-filtration water purifier according to claim 1, it is characterized in that: be provided with water purification buffer memory chamber (6) in the described water clarifier shell (1), the water-in of this water purification buffer memory chamber (6) is connected with the water outlet of filtration unit, and described water purification water shoot (11) is connected to the water outlet of water purification buffer memory chamber (6).
3. a kind of Portable movable ultra-filtration water purifier according to claim 2, it is characterized in that: described filtration unit comprises elementary filter core, secondary filter core and final stage filter core, and this elementary filter core and secondary filter core and final stage filter core are equipped successively from top to bottom.
4. a kind of Portable movable ultra-filtration water purifier according to claim 3 is characterized in that: described elementary filter core, secondary filter core and final stage filter core are respectively the cotton filter core (41) of PP, sintering charcoal filter core (42) and ultrafiltration membrane filter element (43).
5. a kind of Portable movable ultra-filtration water purifier according to claim 4, it is characterized in that: described raw water box (2) top has water filling port, and this water filling port sealing is fitted with tank lid (21).
6. a kind of Portable movable ultra-filtration water purifier according to claim 5, it is characterized in that: described Air pressurizer (9) is hand increasing pressure pump, this hand increasing pressure pump comprises cylinder barrel (91) and is arranged on and driven by hand lever (92) to slide up and down the piston (93) that carries out the suction and discharge campaign along cylinder barrel (91) inwall, described hand lever (92) passes the upper surface of cylinder barrel (91), and the top of hand lever (92) is equipped with pressurization control (94), the exhaust-duct of described cylinder barrel (91) is connected with raw water box (2), and check valve (95) is installed on this exhaust-duct.
7. a kind of Portable movable ultra-filtration water purifier according to claim 6, it is characterized in that: water check valve (51) is installed on the described unidirectional water pipe (5), and this water check valve (51) is installed in the unidirectional water pipe water port place that unidirectional water pipe (5) is positioned at the former water buffer memory of pressure chamber (3).
8. a kind of Portable movable ultra-filtration water purifier according to claim 7, it is characterized in that: the former water buffer memory of described pressure chamber (3) is positioned at the top of filtration unit, and described water purification buffer memory chamber (6) is positioned at the below of filtration unit; The former water buffer memory of described pressure chamber (3) and filtration unit and water purification buffer memory chamber (6) are the longitudinal arrangement combination from top to bottom.
9. a kind of Portable movable ultra-filtration water purifier according to claim 8, it is characterized in that: described unidirectional water pipe (5) vertically is arranged in the raw water box (2), and the feed-water end of this unidirectional water pipe (5) is positioned at the bottom of raw water box (2).
10. a kind of Portable movable ultra-filtration water purifier according to claim 9, it is characterized in that: two cavity volumes about described water clarifier shell (1) is divided into by vertical stationary barrier (7), described right cavity has consisted of above-mentioned raw water box (2), described left cavity is divided into three chambers that are arranged above and below by upper spacer (81) and lower clapboard (82), these three chambers have consisted of respectively the former water buffer memory of above-mentioned pressure chamber (3) and filtration unit installation room and water purification buffer memory chamber (6), and described upper spacer (81) and lower clapboard (82) are fixed dividing plate or upper spacer (81) and lower clapboard (82) and are the movable mode clapboard that can regulate three cavity volume sizes of left cavity.
CN 201220369938 2012-07-30 2012-07-30 Portable and moveable ultrafiltration water purifier Withdrawn - After Issue CN202671324U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220369938 CN202671324U (en) 2012-07-30 2012-07-30 Portable and moveable ultrafiltration water purifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220369938 CN202671324U (en) 2012-07-30 2012-07-30 Portable and moveable ultrafiltration water purifier

Publications (1)

Publication Number Publication Date
CN202671324U true CN202671324U (en) 2013-01-16

Family

ID=47492240

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220369938 Withdrawn - After Issue CN202671324U (en) 2012-07-30 2012-07-30 Portable and moveable ultrafiltration water purifier

Country Status (1)

Country Link
CN (1) CN202671324U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102774930A (en) * 2012-07-30 2012-11-14 浙江沁园水处理科技有限公司 Portable movable ultrafiltration water purifier
CN104790181A (en) * 2013-10-16 2015-07-22 无锡艾科瑞思产品设计与研究有限公司 Water-saving washing machine
CN105060537A (en) * 2015-09-03 2015-11-18 王玮 Novel water purifier
CN106334370A (en) * 2015-10-21 2017-01-18 蔡旭东 Water purification method of portable water purification system
CN108314243A (en) * 2018-02-05 2018-07-24 广西河池未来之星环保科技有限公司 A kind of water purifier with sterilizing function
CN108383268A (en) * 2018-02-05 2018-08-10 广西河池未来之星环保科技有限公司 A kind of portable water purifier

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102774930A (en) * 2012-07-30 2012-11-14 浙江沁园水处理科技有限公司 Portable movable ultrafiltration water purifier
CN102774930B (en) * 2012-07-30 2014-01-01 浙江沁园水处理科技有限公司 Portable movable ultrafiltration water purifier
CN104790181A (en) * 2013-10-16 2015-07-22 无锡艾科瑞思产品设计与研究有限公司 Water-saving washing machine
CN105060537A (en) * 2015-09-03 2015-11-18 王玮 Novel water purifier
CN106334370A (en) * 2015-10-21 2017-01-18 蔡旭东 Water purification method of portable water purification system
CN108314243A (en) * 2018-02-05 2018-07-24 广西河池未来之星环保科技有限公司 A kind of water purifier with sterilizing function
CN108383268A (en) * 2018-02-05 2018-08-10 广西河池未来之星环保科技有限公司 A kind of portable water purifier

Similar Documents

Publication Publication Date Title
CN202671324U (en) Portable and moveable ultrafiltration water purifier
CN102774930B (en) Portable movable ultrafiltration water purifier
CN201161955Y (en) Mobile sea water desalting apparatus
CN101972566A (en) Storage type water quality treater
CN101503252A (en) Portable emergency drinking machine
CN2868994Y (en) Water purifying device capable of backwashing
KR20130068157A (en) Water storage tank and water purifier having the same
CN201923891U (en) Storage-type water quality treatment device
CN203620379U (en) Continuous constant-pressure filter device for oil field water injection
CN206624678U (en) Water-driven reverse osmosis water purifier with single control magnetic valve
CN103172190A (en) No-pump energy-saving pure water system
CN201161943Y (en) Double-cylinder energy conservation sea water desalting apparatus
CN211999096U (en) High-efficiency water purifier
CN201864585U (en) Portable water purifying device
CN209205048U (en) Flow sensing formula pressure pot water-driven system with relief valve
CN208898551U (en) A kind of seawater pressurizing device with pressure energy recycling function
CN206985865U (en) The raw water driving water circuit system of water-driven pressure pot
CN205975804U (en) Running water purifies water supply installation
CN102616889A (en) Reverse osmosis (RO) automatic pressurization device and RO automatic pressurization water storage tank
CN105060536A (en) Water purifier
CN207684948U (en) A kind of water-driven RO machines
CN201738382U (en) Reclaimed water automatic lifting device
CN206624705U (en) Water-driven reverse osmosis water purifier with double control magnetic valve
CN206468504U (en) It is a kind of to be pressurized clarified water pump without electricity
CN218231978U (en) Reverse osmosis filter device without electric drive

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130116

Effective date of abandoning: 20140101

RGAV Abandon patent right to avoid regrant