CN109397734A - A kind of organic waste pressurizing unit of adjustable spiral - Google Patents
A kind of organic waste pressurizing unit of adjustable spiral Download PDFInfo
- Publication number
- CN109397734A CN109397734A CN201811187329.8A CN201811187329A CN109397734A CN 109397734 A CN109397734 A CN 109397734A CN 201811187329 A CN201811187329 A CN 201811187329A CN 109397734 A CN109397734 A CN 109397734A
- Authority
- CN
- China
- Prior art keywords
- sliding rail
- rotary shaft
- multiple sliding
- helical blade
- fixed
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
- B30B9/14—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing operating with only one screw or worm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0052—Details of, or accessories for, presses; Auxiliary measures in connection with pressing for fluid driven presses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The embodiment provides a kind of organic waste pressurizing units of adjustable spiral, are related to organic waste treatment field.Described device includes: rotary shaft, and fixed helical blade is provided in the rotary shaft, and the rotary shaft is axially disposed multiple sliding slots；Multiple sliding rails are respectively arranged in the respective slide slots of the rotary shaft, and fixed helical blade is provided on the multiple sliding rail；Sliding rail driving device is set to the first end of the multiple sliding rail；Under the drive of the sliding rail driving device, the multiple sliding rail is slided respectively along the respective slide slots of the rotary shaft, to adjust the relative distance of helical blade fixed on helical blade and the multiple sliding rail fixed in the rotary shaft, and then adjust the rotation axial screw distance.The embodiment of the present invention can adjust the size of the extruding force of pressurizing unit by the spiral distance of adjusting pressurizing unit.Additionally it is possible to which organic waste material is prevented to be blocked in helical structure.
Description
Technical field
The present embodiments relate to organic waste treatment fields, and in particular, to a kind of organic waste of adjustable spiral
Gurry pressurizing unit.
Background technique
Screw extruder is a kind of mechanical presses dehydration device, currently, the screw extruder of form of ownership, is substantially and adopts
With variable diameter, the main shaft of varying pitch, material passes through the helical blade of varying pitch and the screw spindle of variable diameter, gradually compressed material system
Medium therein with mobility is discharged system by sieve, realizes and be separated by solid-liquid separation, to improve material mass dryness fraction by volume.
In the prior art, organic waste material is carried out using the screw extruder of organic waste recycling industry traditional design
Dehydration, cannot achieve the adjusting of the extruding force of screw extruder.In addition, the material of organic waste is frequently occluded in screw extrusion
In the helical structure of machine, the normal operation of screw extruder is influenced.
Summary of the invention
The purpose of the embodiment of the present invention is intended to provide a kind of organic waste pressurizing unit of adjustable spiral, can adjust
Save the size of the extruding force of pressurizing unit.Additionally it is possible to which organic waste material is prevented to be blocked in helical structure.
In order to achieve the above objectives, it squeezes and fills the embodiment provides a kind of organic waste of adjustable spiral
It sets.Described device includes: rotary shaft, fixed helical blade is provided in the rotary shaft, and the rotary shaft is along axial
It is provided with multiple sliding slots；Multiple sliding rails are respectively arranged in the respective slide slots of the rotary shaft, and are set on the multiple sliding rail
It is equipped with fixed helical blade；Sliding rail driving device is set to the first end of the multiple sliding rail；In the sliding rail driving device
Drive under, the multiple sliding rail is slided respectively along the respective slide slots of the rotary shaft, fixed to adjust in the rotary shaft
Helical blade and the multiple sliding rail on fixed helical blade relative distance, and then adjust the rotation axial screw away from
From.
Optionally, fixed helical blade is set in a manner of variable diameter or in a manner of displacement in the rotary shaft.
Optionally, fixed helical blade is set in a manner of variable diameter or in a manner of displacement on the multiple sliding rail.
Optionally, in the multiple sliding slot of evenly over the circumference setting of the rotary shaft.
Optionally, described device further include: sliding rail chuck is set to the first end of the multiple sliding rail；Snap ring is set to
The second end of the multiple sliding rail；After the screw pitch for adjusting the rotary shaft, fixed by the sliding rail chuck and the snap ring
The multiple sliding rail.
Optionally, described device further include: rotation drive device is set to the first end of the rotary shaft；In the rotation
Under the drive of rotary driving device, the multiple sliding rail rotates together with the rotary shaft.
Optionally, the rotation drive device includes cylinder or hydraulic cylinder.
Optionally, described device further include: outer cylinder, for accommodating the rotary shaft, the multiple sliding rail and the rotation
The helical blade of shaft and the multiple sliding rail.
Optionally, described device further include: discharging adjusts bullet, is set on the snap ring, described has for adjusting
The discharging of machine waste pressurizing unit.
Optionally, the sliding rail driving device includes at least one of: electric putter, cylinder, hydraulic cylinder.
As shown from the above technical solution, under the drive of sliding rail driving device, the respective slide slots in rotary shaft are respectively arranged
In multiple sliding rails slided respectively along the respective slide slots of rotary shaft, to adjust in rotary shaft fixed helical blade and multiple cunnings
The relative distance of fixed helical blade on rail, and then rotation axial screw distance is adjusted, compared with existing other way, lead to
The spiral distance for overregulating pressurizing unit, can adjust the size of the extruding force of pressurizing unit.Additionally it is possible to prevent organic waste
Gurry material is blocked in helical structure.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.It should be evident that the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these figures.
Fig. 1 is the structural representation of the organic waste pressurizing unit of adjustable spiral according to some embodiments of the invention
Figure；
Fig. 2 is the structural representation of the organic waste pressurizing unit of adjustable spiral according to some embodiments of the invention
Figure；
Fig. 3 is the schematic diagram of rotary shaft according to some embodiments of the invention；
Fig. 4 is the cross-sectional view of rotary shaft according to some embodiments of the invention.
Description of symbols:
1, rotation drive device；2, sliding rail driving device；3, sliding rail chuck；4, sliding rail；
5, rotary shaft；6, the helical blade in rotary shaft；7, the helical blade on sliding rail；8, outer cylinder；9, snap ring；10, go out
Material adjusts bullet.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Fig. 1 is the structural representation of the organic waste pressurizing unit of adjustable spiral according to some embodiments of the invention
Figure.As shown in Figure 1, the organic waste pressurizing unit of adjustable spiral provided in an embodiment of the present invention includes: rotary shaft 5, institute
It states and is provided with fixed helical blade 7 in rotary shaft 5, and the rotary shaft 5 is axially disposed multiple sliding slots；Multiple sliding rails
4, it is respectively arranged in the respective slide slots of the rotary shaft 5, and fixed helical blade 6 is provided on the multiple sliding rail 4；
Sliding rail driving device 2 is set to the first end of the multiple sliding rail 4；It is described more under the drive of the sliding rail driving device 2
A sliding rail 4 is slided respectively along the respective slide slots of the rotary shaft 5, with adjust in the rotary shaft 5 fixed helical blade 7 with
The relative distance of fixed helical blade 6 on the multiple sliding rail, and then adjust the spiral distance of the rotary shaft 5.Take this, leads to
The spiral distance for overregulating pressurizing unit, can adjust the size of the extruding force of pressurizing unit.Additionally it is possible to prevent organic waste
Gurry material is blocked in helical structure.
In some optional embodiments, fixation is set in a manner of variable diameter or in a manner of displacement in the rotary shaft 5
Helical blade 7.Fixed helical blade 6 is set in a manner of variable diameter or in a manner of displacement on the multiple sliding rail 4.It can
With understanding, above description is exemplary only, and the embodiment of the present invention does not do any restriction to this.
In a specific example, when fixed helical blade 7 is arranged in a manner of variable diameter in the rotary shaft 5,
Fixed helical blade 6 is set in a manner of variable diameter on the multiple sliding rail 4, and what is be arranged on the multiple sliding rail 4 consolidates
The variable diameter trend of the helical blade for the fixation being arranged in the variable diameter trend of fixed helical blade and the rotary shaft 5 is synchronous.
That is, how the diameter of the helical blade in rotary shaft changes, the diameter of the helical blade on multiple sliding rails is directly followed
Synchronous variation.Similarly, when fixed helical blade 7 is arranged in a manner of displacement in the rotary shaft 5, in the multiple cunning
Fixed helical blade 6, and the helical blade for the fixation being arranged on the multiple sliding rail 4 are set in a manner of displacement on rail 4
Displacement trend and the rotary shaft 5 on the displacement trend of the helical blade of fixation that is arranged be synchronous.That is, rotation
How the distance between helical blade on axis changes, and the distance between helical blade on multiple sliding rails is directly and then synchronous to be become
Change.It is understood that above description is exemplary only, the embodiment of the present invention does not do any restriction to this.
In some optional embodiments, fixed spiral is set in a manner of conical central axis in the rotary shaft 5
Blade 7.Fixed helical blade 6 is set in a manner of conical central axis on the multiple sliding rail 4.In the rotary shaft 5
The multiple sliding slot of evenly over the circumference setting.It is understood that above description is exemplary only, the embodiment of the present invention
Any restriction is not done to this.
In a specific example, the sliding of multiple sliding rails 4 is realized by sliding rail driving device 2.It is more in Fig. 1
The helical blade 6 of fixation on a sliding rail 4 and the helical blade 7 of the fixation in rotary shaft 5 overlap, at this time rotary shaft
Spiral distance is L.Under the drive of sliding rail driving device 2, multiple sliding rails 4 reach as shown in Figure 2 to left a distance
State, the spiral distance of pressurizing unit is L/2 at this time.Wherein, the sliding rail driving device 2 includes at least one of:
Electric putter, cylinder, hydraulic cylinder.It is understood that above description is exemplary only, the embodiment of the present invention does not do this any
It limits.
In some optional embodiments, described device further include: sliding rail chuck 3 is set to the first of the multiple sliding rail 4
End；Snap ring 9 is set to the second end of the multiple sliding rail 4；After the screw pitch for adjusting the rotary shaft 5, pass through the sliding rail card
Disk 3 and the fixed the multiple sliding rail of the snap ring 9.Take this, is capable of fixing multiple sliding rails after the screw pitch for adjusting rotary shaft.It can be with
Understand, above description is exemplary only, and the embodiment of the present invention does not do any restriction to this.
In some optional embodiments, described device further include: rotation drive device 1 is set to the of the rotary shaft 5
One end；Under the drive of the rotation drive device 1, the multiple sliding rail 4 rotates together with the rotary shaft 5.Wherein, institute
Stating rotation drive device 1 includes cylinder or hydraulic cylinder.Described device further include: outer cylinder 8, for accommodating the rotary shaft 5, described
The helical blade of multiple sliding rails 4 and the rotary shaft 5 and the multiple sliding rail 4；Discharging adjusts bullet 10, is set to described
On snap ring 9, for adjusting the discharging of the organic waste pressurizing unit.It is understood that above description is merely illustrative
, the embodiment of the present invention does not do any restriction to this.
In a particular embodiment, pressurizing unit variation spiral shell diameter spiral and baffle formed extruding force effect under,
Material is subjected to extrusion dehydration.The pressurizing unit of the application is variable-distance helical structure, certain in the revolving speed of rotation drive device
In the case where, increasing or reducing for the extruding force of pressurizing unit is realized in being decreased or increased for the spiral distance of pressurizing unit.Spiral
Blade 6 is fixed on multiple sliding rails 4, and several one slide rails 4 are distributed in the circumference sliding slot of rotary shaft 5, as shown in Figure 3 and Figure 4.It is multiple
Sliding rail 4 is fixed together by sliding rail chuck 3 with snap ring 9, and multiple sliding rails 4 can slide back and forth in sliding slot.The cunning of multiple sliding rails 4
It is dynamic to realize that the helical blade 6 in Fig. 1 overlaps with helical blade 7, and helical pitch is at this time by sliding rail driving device 2
L, sliding rail driving device 2 drive multiple sliding rails 4 to left a distance, reach state as shown in Figure 2, and screw pitch is L/ at this time
2.Rotation drive device 1 drives rotary shaft 5 to rotate, and multiple sliding rails 4 rotate together with rotary shaft 5.Such mode also can be by changing
The spiral distance of mutarotation shaft 5 prevents feed blocking in spiral.Organic waste material squeezes after pressurizing unit squeezes
To working fluid in Fig. 1 arrow direction outflow.
It may be noted that all parts/step described in this application can be split as more multi-section according to the needs of implementation
The part operation of two or more components/steps or components/steps can also be combined into new components/steps by part/step,
To achieve the object of the present invention.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of organic waste pressurizing unit of adjustable spiral, which is characterized in that described device includes:
Rotary shaft (5) is provided with fixed helical blade (7) on the rotary shaft (5), and the rotary shaft (5) is along axial direction
It is provided with multiple sliding slots；
Multiple sliding rails (4), are respectively arranged in the respective slide slots of the rotary shaft (5), and are arranged on the multiple sliding rail (4)
There are fixed helical blade (6)；
Sliding rail driving device (2), is set to the first end of the multiple sliding rail (4)；
Under the drive of the sliding rail driving device (2), the multiple sliding rail (4) is respectively along the corresponding of the rotary shaft (5)
Sliding slot sliding, to adjust spiral fixed on helical blade (7) and the multiple sliding rail (4) fixed on the rotary shaft (5)
The relative distance of blade (6), and then adjust the spiral distance of the rotary shaft (5).
2. the apparatus according to claim 1, which is characterized in that in a manner of variable diameter or to become on the rotary shaft (5)
Away from mode fixed helical blade (7) are set.
3. the apparatus according to claim 1, which is characterized in that on the multiple sliding rail (4) in a manner of variable diameter or with
Fixed helical blade (6) are arranged in the mode of displacement.
4. the apparatus according to claim 1, which is characterized in that in the evenly over the circumference setting institute of the rotary shaft (5)
State multiple sliding slots.
5. the apparatus according to claim 1, which is characterized in that described device further include:
Sliding rail chuck (3), is set to the first end of the multiple sliding rail (4)；
Snap ring (9), is set to the second end of the multiple sliding rail (4)；
It is the multiple by the sliding rail chuck (3) and the snap ring (9) fixation after the screw pitch for adjusting the rotary shaft (5)
Sliding rail.
6. the apparatus according to claim 1, which is characterized in that described device further include:
Rotation drive device (1), is set to the first end of the rotary shaft (5)；
Under the drive of the rotation drive device (1), the multiple sliding rail (4) rotates together with the rotary shaft (5).
7. device according to claim 6, which is characterized in that the rotation drive device (1) includes cylinder or hydraulic cylinder.
8. the apparatus according to claim 1, which is characterized in that described device further include:
Outer cylinder (8), for accommodating the rotary shaft (5), the multiple sliding rail (4) and the rotary shaft (5) and the multiple
The helical blade of sliding rail (4).
9. device according to claim 5, which is characterized in that described device further include:
Discharging adjusts bullet (10), is set on the snap ring (9), for adjusting going out for the organic waste pressurizing unit
Material.
10. device described in any one of -9 claims according to claim 1, which is characterized in that the sliding rail driving dress
It includes at least one of following for setting (2): electric putter, cylinder, hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811187329.8A CN109397734B (en) | 2018-10-12 | 2018-10-12 | Organic waste extrusion device of adjustable spiral |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811187329.8A CN109397734B (en) | 2018-10-12 | 2018-10-12 | Organic waste extrusion device of adjustable spiral |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109397734A true CN109397734A (en) | 2019-03-01 |
| CN109397734B CN109397734B (en) | 2023-12-12 |
Family
ID=65467030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811187329.8A Active CN109397734B (en) | 2018-10-12 | 2018-10-12 | Organic waste extrusion device of adjustable spiral |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109397734B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115879A (en) * | 2019-04-26 | 2019-08-13 | 深圳市氢蓝时代动力科技有限公司 | A kind of gas-liquid separation device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003010818A (en) * | 2001-06-28 | 2003-01-14 | Seiwa Denko Kk | Organic waste decomposition treatment equipment |
| JP2004122149A (en) * | 2002-09-30 | 2004-04-22 | Hazama Kisetsu Kogyo Kk | Hydrous waste disposal device |
| US20100196057A1 (en) * | 2009-02-02 | 2010-08-05 | Koichi Mihara | Developing device and image forming apparatus using the same |
| CN102009486A (en) * | 2010-09-29 | 2011-04-13 | 周明泉 | Dynamic gap type screw press |
| CN102133991A (en) * | 2010-12-31 | 2011-07-27 | 蒋东明 | Spiral feeder |
| CN202054402U (en) * | 2011-04-29 | 2011-11-30 | 无锡职业技术学院 | Improved screw-type continuous ship unloader taking device |
| CN205112462U (en) * | 2015-11-06 | 2016-03-30 | 郑州大学 | Novel screw extrusion hydroextractor |
| CN106269804A (en) * | 2016-10-03 | 2017-01-04 | 北京化工大学 | A kind of city organic waste sorting process device |
| US20170239669A1 (en) * | 2016-02-19 | 2017-08-24 | Albert Mardikian | Systems for processing waste to form useable products and methods thereof |
| KR101865510B1 (en) * | 2017-09-25 | 2018-06-07 | 김정일 | Apparatus and method for waste treatment |
| CN211195034U (en) * | 2018-10-12 | 2020-08-07 | 北京晟智科技发展有限公司 | Organic waste extrusion device of adjustable spiral |
-
2018
- 2018-10-12 CN CN201811187329.8A patent/CN109397734B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003010818A (en) * | 2001-06-28 | 2003-01-14 | Seiwa Denko Kk | Organic waste decomposition treatment equipment |
| JP2004122149A (en) * | 2002-09-30 | 2004-04-22 | Hazama Kisetsu Kogyo Kk | Hydrous waste disposal device |
| US20100196057A1 (en) * | 2009-02-02 | 2010-08-05 | Koichi Mihara | Developing device and image forming apparatus using the same |
| CN102009486A (en) * | 2010-09-29 | 2011-04-13 | 周明泉 | Dynamic gap type screw press |
| CN102133991A (en) * | 2010-12-31 | 2011-07-27 | 蒋东明 | Spiral feeder |
| CN202054402U (en) * | 2011-04-29 | 2011-11-30 | 无锡职业技术学院 | Improved screw-type continuous ship unloader taking device |
| CN205112462U (en) * | 2015-11-06 | 2016-03-30 | 郑州大学 | Novel screw extrusion hydroextractor |
| US20170239669A1 (en) * | 2016-02-19 | 2017-08-24 | Albert Mardikian | Systems for processing waste to form useable products and methods thereof |
| CN106269804A (en) * | 2016-10-03 | 2017-01-04 | 北京化工大学 | A kind of city organic waste sorting process device |
| KR101865510B1 (en) * | 2017-09-25 | 2018-06-07 | 김정일 | Apparatus and method for waste treatment |
| CN211195034U (en) * | 2018-10-12 | 2020-08-07 | 北京晟智科技发展有限公司 | Organic waste extrusion device of adjustable spiral |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115879A (en) * | 2019-04-26 | 2019-08-13 | 深圳市氢蓝时代动力科技有限公司 | A kind of gas-liquid separation device |
| CN110115879B (en) * | 2019-04-26 | 2024-10-15 | 深圳市氢蓝时代动力科技有限公司 | Gas-liquid separation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109397734B (en) | 2023-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1383980A (en) | Variable diameter cylinder | |
| CN202603523U (en) | Inner drum eccentric type double-drum continuous rolling machine | |
| SE462897B (en) | DEVICE FOR DEHUMATING SLAM IN THE CENTRIFUGAL FIELD FROM A HELMET CENTER | |
| CN112743845A (en) | 3D prints extrusion device and has its 3D printer | |
| CN211195034U (en) | Organic waste extrusion device of adjustable spiral | |
| CN109397734A (en) | A kind of organic waste pressurizing unit of adjustable spiral | |
| CN109397733A (en) | A kind of organic waste pressurizing unit that band automatically controls | |
| CN107213952B (en) | A kind of cement roller press equipped with novel feeding device | |
| DE202012012743U1 (en) | decanter centrifuge | |
| JP5660928B2 (en) | Screw press | |
| CN211390266U (en) | Take automatic control's organic waste extrusion device | |
| CN106758462B (en) | Acroll press washer main shaft | |
| EP2827996A2 (en) | Solid bowl screw-type centrifuge | |
| CN217527856U (en) | Horizontal spiral centrifugal machine capable of controlling discharging dryness | |
| JP6618433B2 (en) | Centrifuge and centrifuge method | |
| CN203578018U (en) | Horizontal spiral discharging and settling centrifuge provided with settling enhancing device | |
| CN214183258U (en) | Jaw crusher | |
| CN212309672U (en) | Sand roller rice machine | |
| CN104565298B (en) | Belt pulley with manually-adjustable pitch | |
| CN212493485U (en) | Spiral pusher mandrel structure of horizontal screw machine | |
| CN210815752U (en) | Centrifuge auger conveyor with bidirectional helical blade | |
| CN109015136B (en) | Sanding equipment | |
| JP2001287093A (en) | Dehydration press | |
| CN100586547C (en) | Double ring mold built-in granulator | |
| CN208749956U (en) | A kind of adjustable pitch diameter formula Combination leather belt wheel |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Yiying Inventor before: Chen Yiying Inventor before: Yuan Guoming |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |