CN207928810U - A kind of liquid dispensing device for polymer gel type plugging agent - Google Patents
A kind of liquid dispensing device for polymer gel type plugging agent Download PDFInfo
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- CN207928810U CN207928810U CN201721880329.7U CN201721880329U CN207928810U CN 207928810 U CN207928810 U CN 207928810U CN 201721880329 U CN201721880329 U CN 201721880329U CN 207928810 U CN207928810 U CN 207928810U
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Abstract
The utility model provides a kind of liquid dispensing device for polymer gel type plugging agent, includes the Agitation Tank for configuring polymer gel type plugging agent, liquid outlet is offered on Agitation Tank, filter screen is provided in Agitation Tank；Sieve screen apertures are distributed on filter screen, there is filter screen bottom screen, the outside of bottom screen to be equipped with the side screen upwardly extended, and sieves square is located at liquid outlet surface.Liquid dispensing device provided by the utility model for polymer gel type plugging agent can not only realize effective cleaning of " flake ", and avoid the waste of material.
Description
Technical field
The utility model is related to a kind of liquid dispensing devices for plugging agent, more particularly to one kind being used for polymer gel type tune
The liquid dispensing device of blocking agent, belongs to field of oilfield exploitation.
Background technology
The widely applied chemical profile control water shutoff agent in domestic and international oil field is various in style, wherein polymer gel type plugging agent is (also
Referred to as Ploymer Gel Plugging Agent) it is Oil Field profile control, water blockoff, transfer drive, the plugging agent being relatively often used during polymer flooding,
And wherein polyacrylamide gel-type plugging agent is the maximum a kind of polymer gel type plugging agent of usage amount, usually in oil
It exploits situ configuration and uses in field.But at the scene in process for preparation, in the course of dissolution of polyacrylamide power-product there is
Dissolution time is long, is easily influenced and be easy conglomeration by stirring shear degradation generates " flake " shape insoluble matter (hereinafter referred to as " flake ")
The problem of.These " flakes " if cannot clear up in time, easily blocking pipeline, adjust plugging line, pit shaft etc., cause to build the pressure, lead to frequency
Numerous halt production, or even generate safety accident；Also, in subsequent injection process, tune is also seriously affected and has blocked up effect.
To clear up above-mentioned " flake ", simplest way is to improve mixing speed in configuration process at the scene, or use
The mode manually salvaged.But " flake " can be made to spread out although improving stir speed (S.S.), it be easy to cause polymer molecule
The shearing-crushing of structure affects the gel-forming property of plugging agent instead.By the way of manually salvaging, exist salvage it is not clean or
The problems such as " flake " is sunk to the bottom, effect is undesirable, and there are the wastes of polymer masses, improve tune and block up construction operation cost.
Therefore, there is an urgent need to a kind of new liquid dispensing devices, solve the unclean caused series of above-mentioned " flake " cleaning and ask
Topic, and material waste can be avoided simultaneously.
Utility model content
In view of the above-mentioned drawbacks in the prior art, the utility model provides a kind of matching for polymer gel type plugging agent
Liquid device, can realize effective cleaning of " flake ", and avoid material waste.
The utility model provides a kind of liquid dispensing device for polymer gel type plugging agent, including is used to configure polymer
The Agitation Tank of gel-type plugging agent, offers liquid outlet on Agitation Tank, and filter screen is provided in Agitation Tank；Filter screen
On be distributed with sieve screen apertures, there is filter screen bottom screen, the outside of bottom screen to be equipped with the side screen upwardly extended, mistake
Screen net is covered in the liquid outlet surface.
The liquid dispensing device as described above for being used for polymer gel type plugging agent, further, liquid outlet is opened in liquid
On the side wall of tank, side screen lid is located at liquid outlet surface.
The liquid dispensing device as described above for being used for polymer gel type plugging agent, further, the bottom of Agitation Tank is equipped with
Multiple support elements for being used to support bottom screen；The side wall of Agitation Tank is equipped with multiple connectors for fixing side screen.
The liquid dispensing device as described above for being used for polymer gel type plugging agent, further, sieve screen apertures are perforative length
Hole.
The liquid dispensing device as described above for being used for polymer gel type plugging agent further, at the top of Agitation Tank is equipped with and stirs
Mix device.
The liquid dispensing device as described above for being used for polymer gel type plugging agent, further, Agitation Tank top cover is equipped with
Protection cap.
Liquid dispensing device as described above for polymer gel type plugging agent further offers one in protection cap
A or multiple feed inlets.
Liquid dispensing device as described above for polymer gel type plugging agent further includes further tapping line, row
Liquid pipe line is connected to by liquid outlet with Agitation Tank.
Liquid dispensing device as described above for polymer gel type plugging agent is further equipped on tapping line
Flow control valve.
The liquid dispensing device as described above for being used for polymer gel type plugging agent, further, the bottom and side of Agitation Tank
It is seamlessly transitted between wall.
Liquid dispensing device provided by the utility model for polymer gel type plugging agent, by being provided in Agitation Tank
Filter screen, the sieves square are located at liquid outlet surface so that produced by during configuring polymer gel type plugging agent
" flake " filtered and stopped by the filter screen, avoid pipeline from blocking and influence to adjust and block up effect etc.；Meanwhile being blocked
" flake " can continue to curing until being completely dissolved, and also avoid the waste of material.
Also, the liquid dispensing device for being used for polymer gel type plugging agent is simple and reasonable for structure, is answered using actual field
With.
Description of the drawings
The structure for the liquid dispensing device for polymer gel type plugging agent that Fig. 1 is provided by one embodiment of the utility model
Schematic diagram；
The main view for the liquid dispensing device for polymer gel type plugging agent that Fig. 2 is provided by one embodiment of the utility model
Figure；
The vertical view for the liquid dispensing device for polymer gel type plugging agent that Fig. 3 is provided by one embodiment of the utility model
Figure；
The liquid dispensing device for polymer gel type plugging agent that Fig. 4 is provided by one embodiment of the utility model is looked up
Figure；
The side view for the liquid dispensing device for polymer gel type plugging agent that Fig. 5 is provided by one embodiment of the utility model
Figure.
Reference sign：
1- Agitation Tanks；
11- liquid outlets；
12- support elements；
13- connectors；
14- feed inlets；
2- filter screens；
21- sieve screen apertures；
22- bottom screens；
23- side screens；
3- agitating devices；
31- mounting brackets；
4- tapping lines；
41- flow control valves；
42- flanges.
Through the above attached drawings, it has been shown that the specific embodiment of the disclosure will be hereinafter described in more detail.These attached drawings
It is not intended to limit the scope of this disclosure concept by any means with verbal description, but is by referring to specific embodiments
Those skilled in the art illustrate the concept of the disclosure.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.In the absence of conflict, the feature in following embodiment and embodiment can be mutual group
It closes.
Embodiment one
Liquid dispensing device is the device for configuring polymer gel type plugging agent, is generally installed in oilfield exploitation scene, and
It is connected with plugging line is adjusted, obtained polymer gel type plugging agent will be configured by adjusting plugging line, the equipment such as stifled pump being adjusted to note
Enter into stratum.
The structure for the liquid dispensing device for polymer gel type plugging agent that Fig. 1 is provided by one embodiment of the utility model
Schematic diagram；Fig. 2 to Fig. 5 is respectively being filled with liquid for polymer gel type plugging agent of being provided of one embodiment of the utility model
Front view, vertical view, upward view and the side view set show internal structure to be clearer, part-structure therein are carried out
Transparent processing.
As shown in Figures 1 to 5, the present embodiment provides a kind of liquid dispensing devices for polymer gel type plugging agent, including
Agitation Tank 1 for configuring polymer gel type plugging agent, offers liquid outlet 11 on Agitation Tank 1, the setting in Agitation Tank 1
There is filter screen 2；Be distributed with sieve screen apertures 21 on filter screen 2, filter screen 2 has a bottom screen 22, bottom screen 22 it is outer
Surrounding is equipped with the side screen 23 upwardly extended, and filter screen 2 is covered in 11 surface of liquid outlet.
Specifically, due to being provided with filter screen 2 in Agitation Tank 1, and the filter screen 2 is covered in 11 table of liquid outlet
Face, so the fish-eye shaped insoluble matter generated during configuring polymer gel type plugging agent, can be hindered by filter screen 2
Every and filtering, avoid it from being discharged by liquid outlet 11, also avoid " flake " and block adjust plugging line, adjust stifled pump and influence to adjust stifled
The generation of the problems such as effect.Meanwhile being blocked and " flake " that stays in Agitation Tank 1 can continue to swelling, dissolving, until curing
Until at polymer solution, the waste of material is avoided.
The present embodiment is not specially limited the size of Agitation Tank 1, can be according to practical polymer gel type plugging agent
Usage amount reasonable set.
The present embodiment is also not specially limited the shape of Agitation Tank 1, generally column, can be specifically cuboid knot
Structure, or be cylindrical-shaped structure, including bottom and side wall.Agitation Tank 1 used in actual production, is usually welded by steel plate
It forms.
Filter screen 2 has bottom screen 22, is enclosed on the periphery of bottom screen 22 equipped with the side screen upwardly extended
23.Preferably, bottom screen 22 is parallel to the bottom setting of Agitation Tank 1, and the side wall that side screen 23 is parallel to Agitation Tank 1 is set
It sets.
The present embodiment is not specially limited the specific sizes of sieve screen apertures 21 and quantity that are distributed on filter screen 2,
It can be set according to the quantity and size reasonable of reality " flake ", make larger-size " flake " cannot be by sieve screen apertures 21.
The shape of above-mentioned sieve screen apertures 21 can be specifically round (including circular and ellipse) or polygon (including three
Angular, quadrangle etc.).With further reference to Fig. 1, it is preferred that sieve screen apertures 21 are perforative slot hole, i.e., the sieve screen apertures 21 are strip
Hole, the sieve screen apertures 21 are straight trough mouth in other words, " flake " that can make size smaller in this way and to configure obtained polymer molten
Liquid is passed through by sieve screen apertures 21, and filter effect is apparent, and larger-size " flake " be then retained in Agitation Tank 1 continue swelling,
Dissolving, until curing and being completely dissolved.
Further, above-mentioned sieve screen apertures 21 can be evenly distributed on filter screen 2, can not also be uniformly distributed, than
Such as can greater number of sieve screen apertures 21 be set on the filter screen 2 close to 11 region of liquid outlet, the region far from liquid outlet 11
The relatively small number of sieve screen apertures of quantity 21 are set.
The present embodiment is not specially limited the position that opens up of liquid outlet 11, can open up according to actual needs.Such as it can
It is opened in the bottom of Agitation Tank 1, is usually opened on the side wall of Agitation Tank 1.Specifically, liquid outlet 11 is opened in Agitation Tank 1
Side wall on, side screen 23 is covered in 11 surface of liquid outlet, make configuration complete polymer gel type plugging agent need first by
Side screen 23 is filtered, and could be discharged from liquid outlet 11, is discharged by liquid outlet 11 this makes it possible to effectively avoid " flake ".
The liquid dispensing device for polymer gel type plugging agent that the present embodiment is provided passes through the setting in Agitation Tank 1
There is filter screen 2, the filter screen 2 lid is located at 11 surface of liquid outlet so that during configuring polymer gel type plugging agent
Generated " flake " is filtered and is stopped by the filter screen 2, avoids adjusting plugging line, adjusts stifled pump blocking and influence to adjust and block up effect
The problems such as generation；Meanwhile " flake " being blocked can continue to curing until being completely dissolved, and also avoid the waste of material.
Embodiment two
As shown in Figures 1 to 5, the present embodiment provides a kind of liquid dispensing devices for polymer gel type plugging agent, including
Agitation Tank 1 for configuring polymer gel type plugging agent, offers liquid outlet 11 on Agitation Tank 1, the setting in Agitation Tank 1
There is filter screen 2；Be distributed with sieve screen apertures 21 on filter screen 2, filter screen 2 has a bottom screen 22, bottom screen 22 it is outer
Surrounding is equipped with the side screen 23 upwardly extended, and filter screen 2 is covered in 11 surface of liquid outlet.
With further reference to Fig. 1 to Fig. 5, the bottom screen 22 of filter screen 2 is parallel to the bottom setting of Agitation Tank 1, side
Sieve 23 is parallel to the side wall setting of Agitation Tank 1.Further, the bottom of Agitation Tank 1 is used to support bottom screen equipped with multiple
22 support element 12；The side wall of Agitation Tank 1 is equipped with multiple connectors 13 for fixing side screen 23, to further increase
The stability of 2 structure of filter screen avoids shaking or generating displacement during actual job.
With further reference to Fig. 1, Fig. 2 and Fig. 5, above-mentioned support element 12 such as can be column structure, one end of which is fixed on
The bottom of flow container 1, the other end are connect with bottom screen 22.Specifically, one end of the support element 12 is welded on the bottom of Agitation Tank 1
Portion, the other end are contacted or are detachably connected with bottom screen 22, in this way can be conducive to subsequently to filter screen 2 carry out dismounting and
Installation.
Specifically, being usually to be uniformly arranged multiple support elements 12 in 1 bottom of Agitation Tank, preferably it can support and consolidate
Determine filter screen 2.For example Agitation Tank 1 has rectangular parallelepiped structure, then can respectively be arranged one in four corners of 1 bottom of Agitation Tank
Support element 12.It is, of course, also possible to which one or more support elements 12 are arranged among 1 bottom of Agitation Tank.
With further reference to Fig. 3, above-mentioned connector 13 can specifically be mounted on institute's shape between 1 side wall of Agitation Tank and side screen 23
At annular space in, to realize the fixation of 2 position of filter screen, ensure that it does not shake or displacement in the construction process.
For example Agitation Tank 1 has rectangular parallelepiped structure, then connector 13 can be mounted on to four corners of 1 side wall of Agitation Tank, with effective
Fixed filter screen 2.
Specifically, one end of above-mentioned connector 13 can take the modes such as welding to be fixed in the internal side wall of Agitation Tank 1,
The other end can contact or be detachably connected with side screen 23, to be advantageously implemented the disassembly and installation of filter screen 2.
The liquid dispensing device for polymer gel type plugging agent that the present embodiment is provided passes through the setting in Agitation Tank 1
There is filter screen 2, the filter screen 2 lid is located at 11 surface of liquid outlet so that during configuring polymer gel type plugging agent
Generated " flake " is filtered and is stopped by the filter screen 2, avoids adjusting plugging line, adjusts stifled pump blocking and influence to adjust and block up effect
The problems such as generation；Meanwhile " flake " being blocked can continue to curing until being completely dissolved, and also avoid the waste of material.
Also, since the installation and removal of the filter screen 2 are all more convenient, convenient for being carried out with entire liquid dispensing device
It safeguards.
Embodiment three
As shown in Figures 1 to 5, the present embodiment provides a kind of liquid dispensing devices for polymer gel type plugging agent, including
Agitation Tank 1 for configuring polymer gel type plugging agent, offers liquid outlet 11 on Agitation Tank 1, the setting in Agitation Tank 1
There is filter screen 2；Be distributed with sieve screen apertures 21 on filter screen 2, filter screen 2 has a bottom screen 22, bottom screen 22 it is outer
Surrounding is equipped with the side screen 23 upwardly extended, and filter screen 2 is covered in 11 surface of liquid outlet.
With further reference to Fig. 1, Fig. 2 and Fig. 5, protection cap (not shown) is equipped in the top cover of Agitation Tank 1, it is general using with
The steel plate that 1 size of Agitation Tank matches is as protection cap, to protect material therein, is also beneficial to improve construction peace
Entirely.
Further, one or more feed inlets 14 can be also offered in protection cap.The quantity of above-mentioned feed inlet 14 can
To be rationally arranged according to actual conditions, if need to add, inventory is larger or 1 volume of Agitation Tank is larger, and multiple chargings can be arranged
Mouth 14, otherwise can be arranged a feed inlet 14.
The present embodiment is not specially limited the position that opens up of feed inlet 14, is generally located on close to 1 side wall of Agitation Tank
Position.The present embodiment is also not specially limited the shape of feed inlet 14, can be round, rectangular etc., to facilitate charging
It is advisable.
With further reference to Fig. 1 to Fig. 5, the liquid dispensing device of above-mentioned polymer gel type plugging agent can also be filled into including stirring
3 are set, setting is at 1 top of Agitation Tank.
The mixing plant of this field routine may be used in above-mentioned agitating device 3, is not specially limited herein.It is appreciated that
Since " flake " can be retained in Agitation Tank 1 by filter screen 2, " flake " blocking pipeline etc. is avoided, therefore use is more simple
Single mixing plant, without using the mixing plant required with high rotating speed.For example dasher can be used, specifically
It can be inclined paddle type agitator.Inclined paddle type agitator generally comprises wheel hub and is fixed on the blade of wheel hub one end.Wherein, blade
It is typically made of band steel, the number of blade can be specifically 2,3 or 4, and during actual job, blade extend into Agitation Tank 1
It is interior, to be sufficiently stirred to the material in Agitation Tank 1.
Also, by the liquid dispensing device for the polymer gel type plugging agent that the present embodiment is provided, in actual job process
In, stir speed (S.S.) may not need it is too high, to solve the shearing of the polymer molecular structure occurred under high stir speed (S.S.) at present
It is broken.So the liquid dispensing device that the present embodiment is provided, can not only ensure to adjust stifled effect, and can solve because stirring at present
The problem of mixing high energy consumption caused by the high stir speed (S.S.) of device 3.
The present embodiment is not specially limited the mounting means of above-mentioned agitating device 3, and this field routine techniques can be used
Means are installed.Preferably, with further reference to Fig. 3, can mounting bracket 31 be set at 1 top of Agitation Tank, passes through the installation
Holder 31 realizes the installation of agitating device 3.
By taking the agitating device 3 is inclined paddle type agitator as an example, multiple blades, wheel hub are welded or be bolted in one end of wheel hub
Other end welding or be screwed onto in mounting bracket 31, realize the fixation of agitating device 3 position.
The liquid dispensing device for polymer gel type plugging agent that the present embodiment is provided passes through the setting in Agitation Tank 1
There is filter screen 2, the filter screen 2 lid is located at 11 surface of liquid outlet so that during configuring polymer gel type plugging agent
Generated " flake " is filtered and is stopped by the filter screen 2, avoids adjusting plugging line, adjusts stifled pump blocking and influence to adjust and block up effect
The problems such as generation；Meanwhile " flake " being blocked can continue to curing until being completely dissolved, and also avoid the waste of material.
Simultaneously as without improving material stirring rate, therefore also further reduced energy consumption.
Example IV
As shown in Figures 1 to 5, the present embodiment provides a kind of liquid dispensing devices for polymer gel type plugging agent, including
Agitation Tank 1 for configuring polymer gel type plugging agent, offers liquid outlet 11 on Agitation Tank 1, the setting in Agitation Tank 1
There is filter screen 2；Be distributed with sieve screen apertures 21 on filter screen 2, filter screen 2 has a bottom screen 22, bottom screen 22 it is outer
Surrounding is equipped with the side screen 23 upwardly extended, and filter screen 2 is covered in 11 surface of liquid outlet.
With further reference to Fig. 3, the liquid dispensing device for polymer gel type plugging agent that the present embodiment is provided further includes
Tapping line 4, tapping line 4 are connected to by liquid outlet 11 with Agitation Tank 1.
Specifically, above-mentioned tapping line 4 can be the tune plugging line of this field routine, one end is mounted on liquid outlet 11
Place, the other end adjusts stifled pump etc. for connecting, to convey polymer gel type plugging agent.
Further, it can also be equipped with flow control valve 41 on tapping line 4, flow quantity is gone out with adjusting control.Specifically
, which can be current conventional flow regulator, for example can be butterfly valve.
Butterfly valve is called flap valve, is a kind of regulating valve simple in structure, main to play cut-out and throttling action.Butterfly valve opening and closing element
It is a discoidal butterfly plate, is rotated around the axis of its own in valve body, to achieve the purpose that keying or adjusting.
Further, it can also be equipped with flange 42 on tapping line 4, by the flange 42, realize and adjust and block up between pump
Connection.
The liquid dispensing device for polymer gel type plugging agent that the present embodiment is provided passes through the setting in Agitation Tank 1
There is filter screen 2, the filter screen 2 lid is located at 11 surface of liquid outlet so that during configuring polymer gel type plugging agent
Generated " flake " is filtered and is stopped by the filter screen 2, avoids adjusting plugging line, adjusts stifled pump blocking and influence to adjust and block up effect
The problems such as generation；Meanwhile " flake " being blocked can continue to curing until being completely dissolved, and also avoid the waste of material.
Embodiment five
As shown in Figures 1 to 5, the present embodiment provides a kind of liquid dispensing devices for polymer gel type plugging agent, including
Agitation Tank 1 for configuring polymer gel type plugging agent, offers liquid outlet 11 on Agitation Tank 1, the setting in Agitation Tank 1
There is filter screen 2；Be distributed with sieve screen apertures 21 on filter screen 2, filter screen 2 has a bottom screen 22, bottom screen 22 it is outer
Surrounding is equipped with the side screen 23 upwardly extended, and filter screen 2 is covered in 11 surface of liquid outlet.
The liquid dispensing device for polymer gel type plugging agent that the present embodiment is provided, further, the bottom of Agitation Tank 1
It is seamlessly transitted between portion and side wall.
For example, in Agitation Tank 1, there are one chamferings for the junction tool between bottom and side wall, make between bottom and side wall
It seamlessly transits；By taking the Agitation Tank 1 of steel material as an example, when processing the Agitation Tank 1, steel plate can be smoothed, to prevent
Only in whipping process, solid particle is deposited in 1 bottom corner of Agitation Tank, is avoided the waste of material, has been saved cost of material.
The liquid dispensing device for polymer gel type plugging agent that the present embodiment is provided passes through the setting in Agitation Tank 1
There is filter screen 2, the filter screen 2 lid is located at 11 surface of liquid outlet so that during configuring polymer gel type plugging agent
Generated " flake " is filtered and is stopped by the filter screen 2, avoids adjusting plugging line, adjusts stifled pump blocking and influence to adjust and block up effect
The problems such as generation；Meanwhile " flake " being blocked can continue to curing until being completely dissolved, and also avoid the waste of material.
Also, it seamlessly transits due to the bottom in Agitation Tank 1 and between side wall, avoids solid particle in 1 bottom of Agitation Tank
Corner deposits, and further saves cost of material.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of liquid dispensing device for polymer gel type plugging agent, which is characterized in that including being used to configure polymer gel
The Agitation Tank of type plugging agent offers liquid outlet on the Agitation Tank, and filter screen is provided in the Agitation Tank；
Sieve screen apertures are distributed on the filter screen, the filter screen has bottom screen, the outside of the bottom screen
Equipped with the side screen upwardly extended, the filter screen is covered in the liquid outlet surface.
2. liquid dispensing device according to claim 1, which is characterized in that the liquid outlet is opened in the side wall of the Agitation Tank
On, the side screen lid is located at the liquid outlet surface.
3. liquid dispensing device according to claim 2, which is characterized in that the bottom of the Agitation Tank is equipped with multiple be used to support
The support element of the bottom screen；The side wall of the Agitation Tank is equipped with multiple connectors for fixing the side screen.
4. liquid dispensing device according to claim 1, which is characterized in that the sieve screen apertures are perforative slot hole.
5. liquid dispensing device according to claim 1, which is characterized in that be equipped with agitating device at the top of the Agitation Tank.
6. liquid dispensing device according to claim 1, which is characterized in that the Agitation Tank top cover is equipped with protection cap.
7. liquid dispensing device according to claim 6, which is characterized in that offer one or more chargings in the protection cap
Mouthful.
8. liquid dispensing device according to claim 1, which is characterized in that further include tapping line, the tapping line passes through
The liquid outlet is connected to the Agitation Tank.
9. liquid dispensing device according to claim 8, which is characterized in that be equipped with flow control valve on the tapping line.
10. according to claim 1-9 any one of them liquid dispensing devices, which is characterized in that the bottom of the Agitation Tank and side wall
Between seamlessly transit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721880329.7U CN207928810U (en) | 2017-12-28 | 2017-12-28 | A kind of liquid dispensing device for polymer gel type plugging agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721880329.7U CN207928810U (en) | 2017-12-28 | 2017-12-28 | A kind of liquid dispensing device for polymer gel type plugging agent |
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| Publication Number | Publication Date |
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| CN207928810U true CN207928810U (en) | 2018-10-02 |
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ID=63647769
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| CN201721880329.7U Active CN207928810U (en) | 2017-12-28 | 2017-12-28 | A kind of liquid dispensing device for polymer gel type plugging agent |
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2017
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