CN204247085U - Jet flow mixing liquid preparation device - Google Patents
Jet flow mixing liquid preparation device Download PDFInfo
- Publication number
- CN204247085U CN204247085U CN201420591391.4U CN201420591391U CN204247085U CN 204247085 U CN204247085 U CN 204247085U CN 201420591391 U CN201420591391 U CN 201420591391U CN 204247085 U CN204247085 U CN 204247085U
- Authority
- CN
- China
- Prior art keywords
- mixing liquid
- dispensing device
- batch mixing
- liquid dispensing
- nozzle
- 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.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 238000007664 blowing Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 28
- 229920000642 polymer Polymers 0.000 abstract description 21
- 239000000243 solution Substances 0.000 abstract description 15
- 230000003628 erosive effect Effects 0.000 abstract description 8
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 238000009792 diffusion process Methods 0.000 abstract 2
- 238000013329 compounding Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004815 dispersion polymer Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Abstract
The utility model provides a liquid device is joined in marriage to efflux compounding, including the ejector, join in marriage liquid funnel, feed liquor pipe, curing jar and shunt tubes, the ejector is including the shrink tube that connects gradually, the nozzle, the negative pressure chamber, choke and diffusion tube, and the nozzle stretches into the negative pressure intracavity, joins in marriage the top that the liquid funnel connects in the negative pressure chamber, and the exit end of feed liquor pipe is connected with the entry end of shrink tube, and the exit end at the diffusion tube is connected to the curing jar, and the one end of shunt tubes is connected with the entry end of feed liquor pipe, and the other end is connected with the curing jar. By adopting the jet flow mixing and liquid preparing device, the prepared liquid is injected into the curing tank through the flow dividing pipe, and does not need to flow through the liquid inlet pipe and the jet device, thereby reducing the erosion of the jet device and avoiding the problems of leakage or damage of internal parts of the jet device caused by long-time erosion; the liquid preparation water directly enters the curing tank through the shunt pipe, and the injection speed is high because the liquid preparation water is not influenced by the caliber and the structure of the pipeline in the ejector, so that the time for preparing the polymer solution is shortened, and the liquid preparation efficiency is improved.
Description
Technical field
The utility model relates to a kind of mixing arrangement of oil-gas mining field, especially a kind of jet batch mixing liquid dispensing device at Water in Water Shutoff in Oil Field profile control, transfer drive, polymer flooding site operation.
Background technology
In the tertiary oil recovery field in oilfield exploitation later stage, generally take water plugging and profile controlling transfer drive, chemical flooding, polymer flooding wet goods technology to improve oil recovery rate.In these techniques, polymer dispersed dissolving is the main technique link of polymer formulation.For many years, polymer dispersed technique adopts the technological process that wind-force disperses always.But due to the defect of existing pigment mixing arrangement itself, uneven when causing solution to mix, have to pass through stirring, not only waste time and energy, at the bottom of production efficiency, also add production cost.
Current polymer dispersed is dissolved conventional feed liquid mixing arrangement and is divided into common dosing funnel device and jet flow mixing device.Wherein, common dosing funnel device only has funnel, feed and exhaust tube and cylindrical shell, is easy to like this form blocks of solid when material and water mixing, causes funnel or cylindrical shell blocking, affects mixed effect.And though jet flow mixing device overcomes above-mentioned weak point, but due to technological process and equipment complexity, ejector inner part is by long-time erosion rapid wear, easy appearance is revealed, and after material adds, when needing to continue to pump into dosing water, by pipeline bore and structure influence, dosing efficiency is low, and impact is worked continuously.
Utility model content
The purpose of this utility model is to provide a kind of jet batch mixing liquid dispensing device, to solve in dosing process that prior art exists ejector for a long time by the flimsy defect of erosion.
For achieving the above object, the utility model proposes a kind of jet batch mixing liquid dispensing device, comprising: ejector, it comprises the collapsible tube, nozzle, negative pressure cavity, trunnion and the anemostat that connect successively, and described nozzle stretches in described negative pressure cavity; Dosing funnel, it is connected to the top of described negative pressure cavity; Feed tube, its port of export is connected with the arrival end of described collapsible tube; Slaking tank, it is connected to the port of export of described anemostat; Isocon, its one end is connected with the arrival end of described feed tube, and the other end is connected with described slaking tank; Wherein, described feed tube and described ejector form first flow, and described isocon forms the second runner.
Jet batch mixing liquid dispensing device as above, wherein, the arrival end of described feed tube is connected with high-pressure pump, and described high-pressure pump is all connected with described feed tube and described drain pipe.
Jet batch mixing liquid dispensing device as above, wherein, the internal diameter of described collapsible tube arrival end is greater than the internal diameter of the described collapsible tube port of export; Described nozzle is tapered, and the internal diameter of the described upstream side of the injector is greater than the internal diameter of described nozzle exit end; Described anemostat is tapered, and the internal diameter of described anemostat arrival end is less than the internal diameter of the described anemostat port of export.
Jet batch mixing liquid dispensing device as above, wherein, the inner circle cone angle of described collapsible tube is 10 degree ~ 19 degree; The inner circle cone angle of described nozzle is 10 degree ~ 19 degree; The inner circle cone angle of described anemostat is 8 degree ~ 19 degree.
Jet batch mixing liquid dispensing device as above, wherein, the ratio of the distance three of the port of export internal diameter of described nozzle, the internal diameter of described trunnion and described nozzle and described trunnion is 1:(1.5 ~ 2): (2 ~ 4).
Jet batch mixing liquid dispensing device as above, wherein, the port of export of described feed tube is provided with feed tube valve, and the port of export of described isocon is provided with isocon valve.
Jet batch mixing liquid dispensing device as above, wherein, is connected by flange neck tube between described negative pressure cavity with described dosing funnel, is provided with butterfly valve between described flange neck tube and described dosing funnel.
Jet batch mixing liquid dispensing device as above, wherein, the inner circle cone angle of described dosing funnel is 45 degree ~ 60 degree, and the ratio of the described height of dosing funnel and the diameter of its discharging opening is (4 ~ 8): 1.
Jet batch mixing liquid dispensing device as above, wherein, the top of described dosing funnel is provided with blowing flat board, is provided with the gripper shoe supporting described blowing flat board below described blowing flat board.
Jet batch mixing liquid dispensing device as above, wherein, is provided with the mounting supporting described ejector below described negative pressure cavity.
Feature and the advantage of jet batch mixing liquid dispensing device of the present utility model are:
1, jet batch mixing liquid dispensing device of the present utility model, isocon is picked out in the side of feed tube, return water is pumped into by feed tube, return water by material preliminarily solubilised, is namely only prepared burden in ejector in ejector, but not prepared polymer dispersion soln, after batching terminates, by isocon, return water is pumped in slaking tank, mix further with batching, complete the preparation of polymer dispersed solution.Owing to being provided with isocon, return water pumps into slaking tank fast by isocon after the addition was finished, do not flow through ejector, efficiently solve the ejector problem of rapid wear by erosion for a long time, meanwhile, owing to being no longer subject to the impact of ejector gut line bore and structure, return water injection rate is fast, thus accelerate preparation speed, shorten the preparation time, improve dosing efficiency.
2, adopt jet batch mixing liquid dispensing device of the present utility model, material and dosing water mix, and this apparatus structure is simple, with low cost, easy to operate.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the front view of jet batch mixing liquid dispensing device of the present utility model;
Fig. 2 is the top view of jet batch mixing liquid dispensing device of the present utility model.
Main element label declaration:
Dull and stereotyped 3 gripper shoes of 1 dosing funnel 2 blowing
4 flange 5 butterfly valve 6 flange neck tubes
7 feed tube 8 isocon 9 feed tube valves
10 flange 11 collapsible tube 12 nozzles
13 negative pressure cavity 14 trunnion 15 anemostats
16 flange 17 mounting 18 isocon valves
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model is described.
As shown in Figure 1 and Figure 2, the utility model provides a kind of jet batch mixing liquid dispensing device, and it comprises ejector, dosing funnel 1, feed tube 7, slaking tank and isocon 8.Wherein, ejector comprises the collapsible tube 11, nozzle 12, negative pressure cavity 13, trunnion 14 and the anemostat 15 that connect successively, and nozzle 12 stretches in negative pressure cavity 13, to spray in negative pressure cavity 13 by dosing water; Dosing funnel 1 is connected to the top of negative pressure cavity 13, to make the material in dosing funnel 1 enter smoothly in negative pressure cavity, is formed polymer solution, namely complete the preliminarily solubilised of polymer in negative pressure cavity by the water-soluble solution of the dosing in negative pressure cavity; The port of export of feed tube 7 is connected with the arrival end of collapsible tube 11, enters in collapsible tube 11 to make dosing water by the port of export of feed tube 7; Slaking tank is connected to the port of export of anemostat 15, in order to dissolve further it after polymer solution enters, namely completes the preparation of polymer dispersed solution; One end of isocon 8 is connected with the arrival end of feed tube 7, the other end is connected with slaking tank, for after the addition was finished, dosing water (as return water) is pumped in slaking tank fast, complete the preparation of polymer dispersed solution, wherein feed tube 7 and ejector form first flow, and isocon 8 forms the second runner.Therefore after reinforced end, dosing water injects slaking tank by the second runner (isocon), without the need to flowing through first flow (feed tube and ejector), thus the erosion reduced ejector, avoid ejector because of the problem revealed by erosion for a long time or internal part damages; In addition, dosing water directly enters slaking tank by isocon, and owing to not being subject to the impact of ejector gut line bore and structure, injection rate is fast, shortens the time of prepared polymer solution, improves dosing efficiency.
Wherein, the port of export of feed tube 7 is provided with feed tube valve 9, and to control conducting or the cut-off of feed tube 7, the port of export of isocon 8 is provided with isocon valve 18, to control conducting or the cut-off of isocon 8.Time reinforced, open feed tube valve 9, close isocon valve 18, return water enters ejector by feed tube 7; After reinforced end, close feed tube valve 9, open isocon valve 18, return water enters slaking tank by isocon 8.
In a specific embodiment, the arrival end of feed tube 7 is connected with high-pressure pump, and high-pressure pump is all connected with drain pipe 8 with feed tube 7, high-pressure pump.
When reinforced, open feed tube valve 9, close isocon valve 18, return water is under the effect of high-pressure pump, spray from nozzle 12 through feed tube 7 with very high speed, when swiftly flowing liquid is by negative pressure cavity 13, vacuum is formed in chamber, the material of prepared polymer solution is under the effect of gravity and atmospheric pressure, negative pressure cavity 13 is entered through dosing funnel, material is abundant mixed dissolution under the impact of high flow rate liquid, forms polymer solution, enter slaking tank after being discharged by anemostat 15 at trunnion 14 place; After the addition was finished, close feed tube valve 9, open isocon valve 18, return water injects slaking tank fast through isocon 8 under the effect of high-pressure pump.By arranging high-pressure pump, return water being pumped into fast, contributing to improving dosing quality and dosing efficiency.
As shown in Figure 1 and Figure 2, be connected by flange 10 between feed tube 7 with collapsible tube 11, be connected by flange 16 between anemostat 15 with slaking tank.
In the present embodiment, the internal diameter of collapsible tube 11 arrival end is greater than the internal diameter of collapsible tube 11 port of export; Nozzle 12 is tapered, and the internal diameter of nozzle 12 arrival end is greater than the internal diameter of nozzle 12 port of export, to contribute to return water ejection at a high speed; Anemostat 15 is tapered, and the internal diameter of anemostat 15 arrival end is less than the internal diameter of anemostat 15 port of export.Wherein collapsible tube 11 leading portion (part near feed tube) is conical section, and collapsible tube 11 back segment (part near nozzle) is straight length.
Wherein, the inner circle cone angle of the conical section of collapsible tube 11 is 10 degree ~ 20 degree; The inner circle cone angle of nozzle 12 is 10 degree ~ 20 degree; The inner circle cone angle of anemostat 15 is 8 degree ~ 20 degree.For nozzle, its inner circle cone angle refers to that the extended line of upper and lower two outline lines (bus) of nozzle in Fig. 1 intersects the angle of formation.
More preferably, the inner circle cone angle of collapsible tube 11 is 10 degree ~ 19 degree; The inner circle cone angle of nozzle 12 is 10 degree ~ 19 degree; The inner circle cone angle of anemostat 15 is 8 degree ~ 19 degree.
In addition, the port of export internal diameter (i.e. the minimum diameter of nozzle 12) of nozzle 12, the internal diameter of trunnion 14 and nozzle 12 is 1:(1.5 ~ 3 with the ratio of this three of distance of trunnion 14): (2 ~ 5).
More preferably, the internal diameter of the port of export internal diameter of nozzle 12, trunnion 14, nozzle 12 are 1:(1.5 ~ 2 with the ratio of this three of distance of trunnion 14): (2 ~ 4).Wherein " distance of nozzle and trunnion " refers to the horizontal range between the outlet of nozzle and the entrance of trunnion.
In the embodiment shown in fig. 1, be connected by flange neck tube 6 between negative pressure cavity 13 with dosing funnel 1, butterfly valve 5 is installed between flange neck tube 6 and dosing funnel 1, in order to control charging rate.Be connected by flange 4 between dosing funnel 1 with flange neck tube 6.
In a preferred technical scheme, the inner circle cone angle of dosing funnel 1 is 45 degree ~ 60 degree, and the ratio of the internal diameter of the height of dosing funnel 1 and the discharging opening of dosing funnel 1 is (4 ~ 8): 1.
Again as shown in Figure 1, the port of export of flange neck tube 6 stretches in negative pressure cavity 13, and the outlet of flange neck tube 6 is positioned at directly over the outlet of nozzle 12, with the impact making the material fallen in negative pressure cavity be subject to the return water sprayed by nozzle at high speeds, accelerate the dissolving of material, make mixing evenly, quicker.
In addition, the top of dosing funnel 1 is provided with blowing flat board 2, for placing material, is provided with the gripper shoe 3 supporting blowing flat board 2 below blowing flat board 2, and specifically, one end of gripper shoe 3 connects blowing flat board 2, and the other end of gripper shoe 3 is connected to the outer wall of dosing funnel 1.
In addition, the mounting 17 supporting ejector below negative pressure cavity 13, is provided with, with fixing, location ejector.
Jet batch mixing liquid dispensing device of the present utility model, structure is simple, easy to operate, mix, with low cost, improve the dosing quality of polymer solution in oil field recharged waste water water plugging and profile controlling transfer drive, polymer flooding, chemical flooding work progress, decrease equipment loss, shorten the prepared polymer solution time, improve dosing efficiency.Meanwhile, utilize isocon rapid preparing polymer solution, rate when reducing operation, avoid ejector and reveal because of long-time erosion or the problem such as internal part damage, be applicable to the heavy dose of dosing job execution in proportion of various material.In addition, owing to being provided with high-pressure pump, can needing to reconcile pump-in pressure and the water yield size that return water enters feed tube according to scene, the diameter of nozzle is set simultaneously as required, improve polymer solution dosing quality and disposal ability to greatest extent, realize most economical rational dosing mode.
The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, the equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.And it should be noted that, each part of the present utility model is not limited in above-mentioned overall applicability, the each technical characteristic described in description of the present utility model can select one to adopt separately or select the multinomial use that combines according to actual needs, therefore, the utility model covers other relevant with this case inventive point in the nature of things and combines and embody rule.
Claims (10)
1. a jet batch mixing liquid dispensing device, is characterized in that, described jet batch mixing liquid dispensing device comprises:
Ejector, it comprises the collapsible tube, nozzle, negative pressure cavity, trunnion and the anemostat that connect successively, and described nozzle stretches in described negative pressure cavity;
Dosing funnel, it is connected to the top of described negative pressure cavity;
Feed tube, its port of export is connected with the arrival end of described collapsible tube;
Slaking tank, it is connected to the port of export of described anemostat;
Isocon, its one end is connected with the arrival end of described feed tube, and the other end is connected with described slaking tank;
Wherein, described feed tube and described ejector form first flow, and described isocon forms the second runner.
2. jet batch mixing liquid dispensing device as claimed in claim 1, it is characterized in that, the arrival end of described feed tube is connected with high-pressure pump, and described high-pressure pump is all connected with described feed tube and described drain pipe.
3. jet batch mixing liquid dispensing device as claimed in claim 1, it is characterized in that, the internal diameter of described collapsible tube arrival end is greater than the internal diameter of the described collapsible tube port of export;
Described nozzle is tapered, and the internal diameter of the described upstream side of the injector is greater than the internal diameter of described nozzle exit end;
Described anemostat is tapered, and the internal diameter of described anemostat arrival end is less than the internal diameter of the described anemostat port of export.
4. jet batch mixing liquid dispensing device as claimed in claim 3, it is characterized in that, the inner circle cone angle of described collapsible tube is 10 degree ~ 19 degree; The inner circle cone angle of described nozzle is 10 degree ~ 19 degree; The inner circle cone angle of described anemostat is 8 degree ~ 19 degree.
5. jet batch mixing liquid dispensing device as claimed in claim 3, it is characterized in that, the ratio of the distance of the port of export internal diameter of described nozzle, the internal diameter of described trunnion and described nozzle and described trunnion is 1:(1.5 ~ 2): (2 ~ 4).
6. jet batch mixing liquid dispensing device as claimed in claim 1, it is characterized in that, the port of export of described feed tube is provided with feed tube valve, and the port of export of described isocon is provided with isocon valve.
7. jet batch mixing liquid dispensing device as claimed in claim 1, be is characterized in that, be connected between described negative pressure cavity with described dosing funnel by flange neck tube, be provided with butterfly valve between described flange neck tube and described dosing funnel.
8. jet batch mixing liquid dispensing device as claimed in claim 1, it is characterized in that, the inner circle cone angle of described dosing funnel is 45 degree ~ 60 degree, and the ratio of the described height of dosing funnel and the diameter of its discharging opening is (4 ~ 8): 1.
9. jet batch mixing liquid dispensing device as claimed in claim 1, it is characterized in that, the top of described dosing funnel is provided with blowing flat board, is provided with the gripper shoe supporting described blowing flat board below described blowing flat board.
10. jet batch mixing liquid dispensing device as claimed in claim 1, is characterized in that, be provided with the mounting supporting described ejector below described negative pressure cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591391.4U CN204247085U (en) | 2014-10-13 | 2014-10-13 | Jet flow mixing liquid preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591391.4U CN204247085U (en) | 2014-10-13 | 2014-10-13 | Jet flow mixing liquid preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204247085U true CN204247085U (en) | 2015-04-08 |
Family
ID=52951442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420591391.4U Expired - Fee Related CN204247085U (en) | 2014-10-13 | 2014-10-13 | Jet flow mixing liquid preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204247085U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959065A (en) * | 2015-06-30 | 2015-10-07 | 重庆迈拓生态农业发展有限公司 | Fertilizer mixing, stirring and conveying device |
| CN108792036A (en) * | 2018-06-21 | 2018-11-13 | 武汉市海泰伟创科技有限公司 | A kind of more material mixing material injection nozzles |
| CN109630885A (en) * | 2018-12-06 | 2019-04-16 | 中核四0四有限公司 | A kind of counter fluid turning transporting device |
| CN115463607A (en) * | 2022-09-20 | 2022-12-13 | 山东裕城生物技术有限公司 | Quantitative mixing production line and production method for powder veterinary drugs |
-
2014
- 2014-10-13 CN CN201420591391.4U patent/CN204247085U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959065A (en) * | 2015-06-30 | 2015-10-07 | 重庆迈拓生态农业发展有限公司 | Fertilizer mixing, stirring and conveying device |
| CN108792036A (en) * | 2018-06-21 | 2018-11-13 | 武汉市海泰伟创科技有限公司 | A kind of more material mixing material injection nozzles |
| CN109630885A (en) * | 2018-12-06 | 2019-04-16 | 中核四0四有限公司 | A kind of counter fluid turning transporting device |
| CN109630885B (en) * | 2018-12-06 | 2020-06-19 | 中核四0四有限公司 | Reverse fluid steering conveying device |
| CN115463607A (en) * | 2022-09-20 | 2022-12-13 | 山东裕城生物技术有限公司 | Quantitative mixing production line and production method for powder veterinary drugs |
| CN115463607B (en) * | 2022-09-20 | 2024-03-19 | 山东裕城生物技术有限公司 | Quantitative mixing production line for powder veterinary drugs and production method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208260574U (en) | A kind of fracturing base fluid mixer | |
| CN204247085U (en) | Jet flow mixing liquid preparation device | |
| CN106112821B (en) | A kind of front mixing abrasive water jet is worked continuously system and method | |
| CN201006404Y (en) | Waterpower injection pump type agitator | |
| CN107158982B (en) | A kind of dissolver of indissoluble material | |
| CN205638398U (en) | Oil field ground water shutoff profile control fluid distribution device | |
| CN103047199A (en) | Air jet pump | |
| CN105672966A (en) | System for offshore oil field online profile control and displacement | |
| CN208465655U (en) | jet mixing gun | |
| CN207554072U (en) | Coal mine air cement slurries spraying equipment | |
| CN210840663U (en) | Telescopic water, fertilizer and pesticide integrated spray irrigation equipment | |
| CN205969610U (en) | RTM shaping feed arrangement | |
| CN207169441U (en) | Polymer dissolving device | |
| CN204021931U (en) | A kind of Material pipeline and auxiliary device thereof | |
| CN104482814B (en) | A kind of obstruction method for underground explosion engineering big gun hole and stemming spraying machine | |
| CN108590621B (en) | System and method for high-pressure sand adding after hydraulic fracturing remote continuous pump in coal mine | |
| CN204894212U (en) | Fluid mixing apparatus | |
| CN212038259U (en) | Traditional chinese medicine extractor | |
| CN206823569U (en) | A kind of chemical solution speed matches somebody with somebody device | |
| CN202187781U (en) | Gas material mixing device of concrete sprayer for coal mine | |
| CN203655301U (en) | High-molecular-polymer injection system | |
| CN209812740U (en) | High-consistency cement slurry spraying device | |
| CN206454512U (en) | Solid-liquid jet flow liquid preparation device | |
| CN208694879U (en) | Site remediation medicament compounding system | |
| CN104373151B (en) | A kind of mining multifunctional is from mixing-filling device and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |