CN207470186U - Vertical shaft intercepts water structure and with its vertical shaft - Google Patents
Vertical shaft intercepts water structure and with its vertical shaft Download PDFInfo
- Publication number
- CN207470186U CN207470186U CN201721441809.3U CN201721441809U CN207470186U CN 207470186 U CN207470186 U CN 207470186U CN 201721441809 U CN201721441809 U CN 201721441809U CN 207470186 U CN207470186 U CN 207470186U
- Authority
- CN
- China
- Prior art keywords
- water
- borehole wall
- vertical shaft
- groove
- intercepts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Sewage (AREA)
Abstract
It intercepts water structure and with its vertical shaft the utility model discloses a kind of vertical shaft, including：The borehole wall intercepts water groove, and the borehole wall groove that intercepts water radially is recessed by the internal face of the borehole wall and is formed, the borehole wall intercept water groove along the borehole wall circumferentially extending and define space of intercepting water；Water fender, water fender are fixed on the borehole wall face that the borehole wall intercepts water groove lower edge, for borehole wall water drenching access wall to be guided to intercept water in space；Aqueduct, aqueduct are embedded in the borehole wall, are drawn to the water in the space that will intercept water.Vertical shaft according to the present utility model intercepts water structure, by setting the groove that intercepts water on borehole wall internal face, groove limits space of intercepting water, borehole wall water drenching is led to space of intercepting water by water fender, and aqueduct is embedded in the borehole wall and connect with concave part and draws the water to intercept water in space, by intercepting water structure in borehole wall setting multiple tracks, it can realize and borehole wall flowing water is repeatedly shut off to and introduced each stage casing level, and the structure that intercepts water is simple in structure, is easy to construct, with good economic efficiency and social benefit.
Description
Technical field
It intercepts water technical field the utility model is related to vertical shaft, intercepts water structure and tool more particularly, to a kind of vertical shaft
There is its vertical shaft.
Background technology
One of vertical shaft mode important as mining, especially deep mining become necessary key project,
And with the increase of mine shaft depth, the problem of water damage causes, is more and more prominent；Water in pit shaft is to restrict steel construction in vertical shaft to make
An important factor for the service life, while be one of key factor for causing vertical shaft adverse circumstances.Reduce vertical shaft water damage for vertical shaft well
The influence of cylinder, it is the problem of must take into consideration in vertical shaft construction to seek the reasonably technology of harnessing the river.Traditional way is by constructing
Period takes slip casting to block and controls pit shaft total yield in a certain range, and the measures such as awning are taken in shaft inset, tradition
The mode of awning is only capable of personnel activity's space environment at minor betterment ingate, it is impossible to block borehole wall flowing water, pit shaft get over depths its
Bottom water burst is bigger, and wellbore space water damage is more serious.
Utility model content
The utility model is intended to solve one of above-mentioned technical problem at least to a certain extent.
For this purpose, the utility model proposes it is a kind of it is simple in structure, safe and reliable, be easily achieved and borehole wall flowing water can be blocked
Vertical shaft intercepts water structure.
The utility model second aspect is to propose a kind of vertical shaft with the above-mentioned structure that intercepts water.
It is intercepted water structure according to the vertical shaft of the utility model embodiment, including：
The borehole wall intercepts water groove, the borehole wall intercept water groove by the vertical shaft the borehole wall internal face radially concave shape
Into, the borehole wall intercept water groove along the borehole wall circumferentially extending and define space of intercepting water；
Water fender, the water fender are fixed on the borehole wall that the borehole wall intercepts water groove lower edge, the water fender
It intercepts water in space described in groove for the water drenching inflow borehole wall on the borehole wall to be guided to intercept water；
Aqueduct, the aqueduct are embedded in the borehole wall, for the water in the space of intercepting water to be drawn.
It is intercepted water structure according to the vertical shaft of the utility model embodiment, it is recessed by the way that the borehole wall is set to intercept water on the internal face of the borehole wall
Slot, the borehole wall groove that intercepts water limit space of intercepting water, and borehole wall water drenching is led to space of intercepting water by water fender, and aqueduct is embedded in the borehole wall simultaneously
Connect with the borehole wall groove that intercepts water and draw the water to intercept water in space, by multiple tracks being set to intercept water structure in the borehole wall, can realize by
Borehole wall flowing water repeatedly shuts off and introduces each stage casing level, improves the operating environment of each horizontal ingate, not only subtracts to the utmost
The space for occupying vertical shaft is lacked, and the structure that intercepts water is simple in structure, is easy to construct, with good economic efficiency and social effect
Benefit.
In addition, intercepting water structure according to the vertical shaft of the utility model embodiment, there can also be following additional technical characteristic：
One embodiment according to the present utility model, the borehole wall intercept water groove type become along the borehole wall circumferentially extending
Annular groove.
One embodiment according to the present utility model, the borehole wall intercept water groove as one and are formed in the interior of the borehole wall
The middle part of wall surface；Or the borehole wall intercepts water groove to be multiple, multiple boreholes wall intercept water depth direction of the groove along the vertical shaft
Arranged for interval, the water fender and the borehole wall intercept water groove one-to-one correspondence.
One embodiment according to the present utility model, the borehole wall groove that intercepts water include：Guide surface, the guide surface are formed
The inclined-plane of extension is tilted down to be faced out along the inner wall of the borehole wall；Horizontal plane, the horizontal plane are shaped generally as along level
The plane of direction extension, the outer end of the horizontal plane are connected with the lower end of the guide surface, and the inner end of the horizontal plane extends to
The internal face of the borehole wall.
One embodiment according to the present utility model, the borehole wall groove that intercepts water further include：Vertical plane, the vertical plane shape
As the plane extended substantially in the vertical direction, the vertical plane is located between the guide surface and the horizontal plane, described perpendicular
The upper end faced directly is connected with the lower end of the guide surface, and the lower end of the vertical plane is connected with the outer end of the horizontal plane.
One embodiment according to the present utility model, the water fender include：Connecting plate, the connecting plate are located at the well
It is connected on the internal face of wall and with the internal face of the borehole wall；Weather board, the lower end of the weather board are upper with the connecting plate
End is connected, and the radially inward toward upper of the borehole wall described in the upper end edge of the weather board tilts extension.
One embodiment according to the present utility model, the angle of inclination of the weather board and the angle of inclination of the guide surface
It is equal.
One embodiment according to the present utility model, the lower end of the weather board are concordant with the horizontal plane.
One embodiment according to the present utility model, the water fender are formed as the ring of the circumferentially extending along the borehole wall
Shape.
One embodiment according to the present utility model, the connecting plate are mounted on the internal face of the borehole wall by bolt
On.
One embodiment according to the present utility model, the connecting plate are integrally formed with the weather board.
One embodiment according to the present utility model, the aqueduct extend substantially in the vertical direction, the aqueduct
Upper end is located on the horizontal plane.
According to the vertical shaft of the utility model second aspect, including being intercepted water knot according to the vertical shaft of the utility model first aspect
Structure.
According to the vertical shaft of the utility model second aspect, by setting, according to the utility model first aspect, your vertical shaft is cut
Water-bound, so as to improve the drainage performance of vertical shaft wall surface.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment
Become apparent and be readily appreciated that, wherein：
Fig. 1 is the structure diagram according to the vertical shaft of the utility model embodiment.
Reference numeral：
Vertical shaft 100；
The borehole wall 10；It intercepts water space 11；Guide surface 12；Horizontal plane 13；Vertical plane 14；The borehole wall intercepts water groove 15；
Water fender 20；Connecting plate 21；Weather board 22；
Aqueduct 30.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that the utility model
Limitation.
In the description of the present invention, it is to be appreciated that term " " center ", " on ", " under ", " vertical ", " level ",
The orientation or position relationship of the instructions such as " top ", " bottom ", " interior ", " outer ", " clockwise ", " counterclockwise " are based on side shown in the drawings
Position or position relationship are for only for ease of description the utility model and simplify description rather than instruction or imply signified device
Or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the utility model
Limitation.In addition, term " first ", " second " be only used for description purpose, and it is not intended that instruction or imply relative importance or
Person implies the quantity for indicating indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or hidden
Include one or more this feature containing ground.In the description of the present invention, " multiple " be meant that two or two with
On, unless otherwise specifically defined.
In the utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
It specifically describes and is intercepted water structure according to the vertical shaft 100 of the utility model embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, it is intercepted water groove 15, water fender including the borehole wall according to the vertical shaft of the utility model embodiment structure that intercepts water
20 and aqueduct 30.
Specifically, the borehole wall intercepts water, groove 15 is radially recessed by the internal face of the borehole wall 10 of vertical shaft 100 and is formed, well
Wall intercepts water circumferentially extending of the groove 15 along the borehole wall 10, and the borehole wall intercepts water and defines space 11 of intercepting water in groove 15.Water fender 20 is fixed
On the borehole wall 10 for intercepting water 15 lower edge of groove positioned at the borehole wall, water fender 20 is used to guide the water drenching on the borehole wall 10 to flow into the borehole wall and cuts
Water groove 15 intercepts water in space 11.Aqueduct is embedded in the borehole wall 10, is drawn for the water in the space 11 that will intercept water.
As shown in Figure 1, the inside of the borehole wall 10 define along its axially through channel, the internal face of the borehole wall 10 is equipped at least
One borehole wall being radially recessed outward intercepts water groove 15, and the borehole wall intercepts water and defines the sky that intercepts water connected with channel in groove 15
Between 11, water fender 20 is located on the internal face of the borehole wall 10, and at least part of water fender 20 is used for the water drenching on the borehole wall 10
To space 11 of intercepting water, aqueduct 30 is embedded between the internal face of the borehole wall 10 and outside wall surface and is connected with space 11 of intercepting water for guiding,
Will intercept water, the water in space 11 is drawn.
In other words, the borehole wall is offered on the internal face of the borehole wall 10 according to the vertical shaft of the utility model embodiment 100 to intercept water
Groove 15, the borehole wall, which intercepts water, defines space 11 of intercepting water in groove 15, and a part of water on the internal face of the borehole wall 10 can be along well
The internal face inflow of wall 10 intercepts water in space 11, and the internal face of the borehole wall 10 is equipped with water fender 20, water fender 20 can be used for by
The water to drip on 10 internal face of the borehole wall is guided to intercepting water in space 11, and water guide is embedded between the internal face and outside wall surface of the borehole wall 10
Pipe 30, one end of aqueduct 30 are connected with space 11 of intercepting water, and the other end of aqueduct 30 can connect cut with discharge structure
Water discharge in hydrospace 11.
It is intercepted water structure according to the vertical shaft of the utility model embodiment as a result, by setting the borehole wall on the internal face of the borehole wall
Intercept water groove 15, and the borehole wall groove 15 that intercepts water limits space 11 of intercepting water, and borehole wall water drenching is led to space 11 of intercepting water, led by water fender 20
Water pipe 30 is embedded in the borehole wall 10 and connects with the borehole wall groove 15 that intercepts water and draw the water to intercept water in space 11, by being set on the borehole wall
It puts multiple boreholes wall to intercept water groove 15, can realize that Shaft Linings flowing water repeatedly shuts off and introduces aqueduct 30, improve each horizontal head of the horse
The operating environment of door not only reduces the space for occupying vertical shaft 100, but also the vertical shaft structure that intercepts water is simple in structure to the utmost,
It is easy to construct, with good economic efficiency and social benefit.
It should be noted that the borehole wall that the borehole wall of vertical shaft is equipped with intercepts water, groove 15 can be around the circumferential shape of borehole wall inner wall
Into annulus, the borehole wall groove 15 that intercepts water limits space 11 of intercepting water and intercepts water for the borehole wall, and water fender 20 can guide flow to flow into and cut
Hydrospace 11 is equipped with aqueduct 30, not only stabilized structure, but also be not take up space in well, the number of aqueduct 30 in the borehole wall
It can select as the case may be.
The borehole wall intercepts water the annular groove of circumferentially extending that groove 15 is formed as along the borehole wall 10.In other words, space 11 is intercepted water in well
Annular groove is formed on wall internal face, annular groove can make full use of borehole wall internal face, and the effect of shutting off for making the borehole wall is more preferable, further
Improve the working environment of vertical shaft.
In some specific embodiments of the utility model, set on the borehole wall 10 and intercept water groove 15, and the borehole wall there are one the borehole wall
The groove 15 that intercepts water is located in the middle part of the internal face of the borehole wall 10.In further embodiments, the borehole wall intercept water groove be alternatively it is multiple, it is multiple
The borehole wall intercepts water depth direction arranged for interval of the groove along vertical shaft, and water fender and the borehole wall intercept water groove one-to-one correspondence.Here, the borehole wall is cut
The number of water groove 15 and position can be reasonably selected according to the construction of borehole wall environment and the borehole wall, to reach best effect of shutting off
Fruit.
Optionally, one embodiment according to the present utility model, the borehole wall intercept water groove 15 include guide surface 12 and horizontal plane
13, wherein, guide surface 12 is formed as facing out the inclined-plane for tilting down extension along the inner wall of the borehole wall, and horizontal plane 13 is shaped generally as
Horizontally extending plane, the outer end of horizontal plane 13 are connected with the lower end of guide surface 12, and the inner end of horizontal plane 13 extends to
The internal face of the borehole wall.
In other words, the borehole wall groove 15 that intercepts water at least is made of guide surface 12 and 13 two parts of horizontal plane, and guide surface 12 is located at
Extend along borehole wall inner wall thickness direction in Shaft Linings, and tilted towards borehole wall bottom direction, guide surface 12 is substantially and horizontal plane
13 form acute angles, and the water drenching on Shaft Linings flows into the borehole wall along guide surface 12 and intercepts water groove 15, horizontal plane 13 and 12 phase of guide surface
Even to accept the water of the introducing of guide surface 12, the borehole wall groove 15 that intercepts water is simple in structure, easy for construction.
One embodiment according to the present utility model, the borehole wall groove 15 that intercepts water further include vertical plane 14, and vertical plane 14 is formed
For the plane extended substantially in the vertical direction, vertical plane 14 is located between guide surface 12 and horizontal plane 13, the upper end of vertical plane 14
It is connected with the lower end of guide surface 12, the lower end of vertical plane 14 is connected with the outer end of horizontal plane 13.Vertical plane 14 not only can be with as a result,
Increase intercepts water the volume in space 11, and can make the borehole wall intercept water groove 15 structure it is more firm.
In some specific embodiments of the utility model, water fender 20 includes connecting plate 21 and weather board 22, wherein, even
Fishplate bar 21 is located on the internal face of the borehole wall and is connected with the internal face of the borehole wall, the lower end of weather board 22 and the upper end phase of connecting plate 21
Even, the radially inward toward upper of the upper end edge borehole wall of weather board 22 tilts extension.
Specifically, water fender 20 is mainly made of connecting plate 21 and 22 two parts of weather board, connecting plate 21 and the borehole wall
Internal face is connected so that water fender 20 is fixed on borehole wall internal face, and the lower end of weather board 22 is connected with the upper end of connecting plate 21,
Weather board 22 tilts extension along towards the direction in borehole wall axle center and well head, and water fender 20 can not only be intercepted water sky with a backstop part
Between water in 11 flowed out along borehole wall inner wall, and inclined water fender 20 also allows for intercepting water the water inflow in the borehole wall 10 space
In 11.
In some specific embodiments of the utility model, the angle of inclination of weather board 22 and the angle of inclination of guide surface 12
Equal, optionally, the lower end of weather board 22 is concordant with horizontal plane 13, the weather board 22 not only stable structure, convenient for construction, and
It can ensure the effect that intercepts water.
It is understood that water fender 20 can also be circumferentially extended into along the borehole wall 10 circular ring shape with 11 phase of space that intercepts water
Cooperation avoids the water to intercept water in space 11 from being flowed out along borehole wall inner wall, influences the effect that intercepts water, causes security risk in vertical shaft.
In one embodiment of the utility model, connecting plate 21 and borehole wall inner wall are bolted, easy to disassemble, easily
In construction.
Optionally, connecting plate 21 is integrally formed with weather board 22, integrally formed water fender 20 not only stable structure, but also
Processing technology is simple, of low cost.
In another embodiment of the utility model, aqueduct 30 can be with pre-plugged in the borehole wall, and the reduction later stage applies
Work difficulty, aqueduct 30 are placed substantially in the vertical direction, and the upper end of aqueduct 30 stretches to horizontal plane 13 and is connected with space 11 of intercepting water
Logical, the water to intercept water in space 11 is imported each level by aqueduct 30, so as to improve deep-well working environment, conducive to staff in depth
It works in well.
To sum up, it is intercepted water structure according to the vertical shaft 100 of the utility model embodiment, by the internal face of the borehole wall 10
The setting borehole wall intercepts water groove 15, and the borehole wall groove 15 that intercepts water limits space 11 of intercepting water, and in-channel water is led to by water fender 20 to intercept water
Space 11, aqueduct 30 are embedded in the borehole wall and connect with the borehole wall groove 15 that intercepts water and draw the water to intercept water in space 11, Ke Yishi
Now borehole wall flowing water is repeatedly shut off and introduces each stage casing level, improves each horizontal ingate operating environment, not only to the utmost
The space for occupying the borehole wall is reduced, and the shaft structure is simple, is easy to construct, with good economic efficiency and social benefit.
According to the vertical shaft of the utility model second aspect embodiment, including according to the utility model first aspect embodiment
Vertical shaft intercepts water structure.
According to the vertical shaft of the utility model second aspect embodiment, by setting the utility model first aspect embodiment
Vertical shaft intercepts water structure, so as to draw the water drenching on the borehole wall using the structure that intercepts water, is effectively improved each horizontal ingate operation
Environment, and the shaft structure is simple, is easy to construct, with good economic efficiency and social benefit.
In the description of this specification, reference term " one embodiment ", " example ", " is specifically shown " some embodiments "
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It is combined in an appropriate manner in any one or more embodiments or example.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it is impossible to be construed as a limitation of the present invention, those of ordinary skill in the art are not departing from the utility model
Principle and objective in the case of above-described embodiment can be changed in the scope of the utility model, change, replace and
Modification.
Claims (13)
- The structure 1. a kind of vertical shaft intercepts water, which is characterized in that including：The borehole wall intercepts water groove, and the borehole wall groove that intercepts water radially is recessed by the internal face of the borehole wall of the vertical shaft and is formed, The borehole wall intercept water groove along the borehole wall circumferentially extending and define space of intercepting water；Water fender, the water fender are fixed on the borehole wall that the borehole wall intercepts water groove lower edge, and the water fender is used for Water drenching on the borehole wall is guided to flow into the borehole wall the described of groove of intercepting water to intercept water in space；Aqueduct, the aqueduct are embedded in the borehole wall, for the water in the space of intercepting water to be drawn.
- The structure 2. vertical shaft according to claim 1 intercepts water, which is characterized in that the borehole wall groove type that intercepts water becomes along described The annular groove of the circumferentially extending of the borehole wall.
- The structure 3. vertical shaft according to claim 1 intercepts water, which is characterized in thatThe borehole wall intercepts water groove as one and is formed in the middle part of the internal face of the borehole wall；OrThe borehole wall intercepts water groove to be multiple, and multiple boreholes wall intercept water depth direction arranged for interval of the groove along the vertical shaft, The water fender and the borehole wall intercept water groove one-to-one correspondence.
- The structure 4. vertical shaft according to claim 1 intercepts water, which is characterized in that the borehole wall groove that intercepts water includes：Guide surface, the guide surface are formed as facing out the inclined-plane for tilting down extension along the inner wall of the borehole wall；Horizontal plane, the horizontal plane are shaped generally as horizontally extending plane, and the outer end of the horizontal plane is drawn with described The lower end of guide face is connected, and the inner end of the horizontal plane extends to the internal face of the borehole wall.
- The structure 5. vertical shaft according to claim 4 intercepts water, which is characterized in that the borehole wall groove that intercepts water further includes：Vertical plane, the vertical plane are shaped generally as the plane vertically extended, and the vertical plane is located at the guide surface Between the horizontal plane, the upper end of the vertical plane is connected with the lower end of the guide surface, the lower end of the vertical plane and institute The outer end for stating horizontal plane is connected.
- The structure 6. vertical shaft according to claim 4 intercepts water, which is characterized in that the water fender includes：Connecting plate, the connecting plate are located on the internal face of the borehole wall and are connected with the internal face of the borehole wall；Weather board, the lower end of the weather board are connected with the upper end of the connecting plate, the borehole wall described in the upper end edge of the weather board Radially inward toward upper tilt extension.
- The structure 7. vertical shaft according to claim 6 intercepts water, which is characterized in that draw with described at the angle of inclination of the weather board The angle of inclination of guide face is equal.
- The structure 8. vertical shaft according to claim 6 intercepts water, which is characterized in that the lower end of the weather board and the horizontal plane Concordantly.
- The structure 9. vertical shaft according to claim 6 intercepts water, which is characterized in that the water fender is formed as along the borehole wall The annular of circumferentially extending.
- The structure 10. vertical shaft according to claim 6 intercepts water, which is characterized in that the connecting plate is mounted on institute by bolt It states on the internal face of the borehole wall.
- The structure 11. vertical shaft according to claim 6 intercepts water, which is characterized in that the connecting plate and weather board one Molding.
- The structure 12. vertical shaft according to claim 4 intercepts water, which is characterized in that the aqueduct prolongs substantially in the vertical direction It stretches, the upper end of the aqueduct is located on the horizontal plane.
- 13. a kind of vertical shaft, intercept water structure including the vertical shaft according to any one of claim 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721441809.3U CN207470186U (en) | 2017-11-01 | 2017-11-01 | Vertical shaft intercepts water structure and with its vertical shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721441809.3U CN207470186U (en) | 2017-11-01 | 2017-11-01 | Vertical shaft intercepts water structure and with its vertical shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207470186U true CN207470186U (en) | 2018-06-08 |
Family
ID=62262529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721441809.3U Active CN207470186U (en) | 2017-11-01 | 2017-11-01 | Vertical shaft intercepts water structure and with its vertical shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207470186U (en) |
-
2017
- 2017-11-01 CN CN201721441809.3U patent/CN207470186U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210192103A1 (en) | Optimal design method for jet-type self-priming centrifugal pump | |
| CN108301866B (en) | Mining of closed distance coal seam group adjacent layer gas pressure relief directional drilling stops pumping method | |
| CN206175333U (en) | Immersible pump prevent blockking up filter equipment | |
| CN209384207U (en) | A kind of efficient bevel-type waterpower stilling pool slab | |
| CN102966082A (en) | Aeration facility with downward-bent base slab | |
| CN108731289A (en) | A kind of closed equivalent water intaking of earth source heat pump also water system | |
| CN207470186U (en) | Vertical shaft intercepts water structure and with its vertical shaft | |
| CN111091748A (en) | Scaling hob and tool apron for TBM test bed | |
| CN105507365A (en) | Circular inverted filter well mouth device with two purposes of recharging and pumping | |
| CN102409653A (en) | Method for relieving sill-lifting cavitation of suddenly-enlarged gallery for high-lift ship locks | |
| CN105221442A (en) | A kind of lifting Verticle vortex pipeline mounted pump | |
| CN110374585A (en) | It is a kind of to simulate the experimental provision and method that mud is spread in oil shale fracturing stratum | |
| CN107829746A (en) | Vertical shaft intercepts water and structure and has its a vertical shaft | |
| CN213579606U (en) | Deep basal pit ground water level monitoring devices | |
| CN103410436B (en) | Blowout prevention anti-return water hole bottom motor transmission shaft assembly | |
| KR200462768Y1 (en) | Cement paste venting road of ground drilling device | |
| CN208517958U (en) | A kind of deep basal pit fluid level control device | |
| CN107178307A (en) | A kind of Assembled punch for water conservancy construction | |
| CN109779678A (en) | Perforating machine for this coal bed gas extraction | |
| CN105804160A (en) | Intelligent integrated pump station | |
| CN105507364A (en) | Well head device for both square reverse filtering recharging and water pumping | |
| CN208416964U (en) | Energy-efficient self priming centrifugal pump | |
| CN106120782B (en) | Assembled screw rod pile construction method | |
| CN210977903U (en) | Wear-resisting type submerged slurry pump | |
| CN209353324U (en) | A kind of Novel underground diaphragm wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |