CN211104721U

CN211104721U - Slurry mixer and slurry mixing circulating system

Info

Publication number: CN211104721U
Application number: CN201921230032.5U
Authority: CN
Inventors: 龚勋; 王生银; 丁助伟
Original assignee: CSCEC Strait Construction and Development Co Ltd
Current assignee: CSCEC Strait Construction and Development Co Ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-07-28
Anticipated expiration: 2029-08-01

Abstract

The utility model relates to a system ware and mud system of mixing are mixed to mud, the mud system ware of mixing includes feeder hopper, upper hose and downcomer, the vertical setting of upper hose and fixed connection in the bottom of feeder hopper, upper hose and feeder hopper intercommunication, the hollow disk seat of fixedly connected with on the upper hose lateral wall, the level is inserted and is equipped with the valve plate in the disk seat, the tip cover is established in the disk seat is inside and pass the upper hose lateral wall and extend the upper hose inner chamber in the valve plate, the upper hose is inside to be provided with a mobilizable manger plate mechanism in the disk seat below position, the downcomer level sets up, downcomer middle part fixed connection is in the upper hose bottom, downcomer and upper hose intercommunication, the ball valve is installed to the thick liquid inlet department of downcomer. The slurry mixer and the slurry mixing and circulating system are convenient to operate, and the uniformity of the mixed slurry is good.

Description

Slurry mixer and slurry mixing circulating system

Technical Field

The utility model relates to a mud mixes system technical field, especially relates to a mud mixes system ware and mud and mixes system circulation system.

Background

The construction of the cast-in-place pile mainly adopts the operation of forming holes by using a slurry retaining wall. When the field geology can not make slurry, bentonite is required to be mixed into the slurry, and the performance of the slurry directly influences the hole forming quality and the wall protection effect of the cast-in-place pile.

The traditional stirring method is to pour bentonite into a mud pit for stirring, and the traditional method for stirring mud mainly has the following defects: 1) the bentonite is directly poured into a mud pit for mixing, so that the mud is not uniformly mixed, and part of the bentonite is not mixed with water to generate precipitation and waste is caused. The uneven mixing causes the unequal specific gravity of the slurry, and influences the hole forming quality of the slurry retaining wall of the cast-in-place pile. 2) The conventional method needs to add bentonite while stirring to prepare the slurry, and has poor convenience. The generated precipitate needs to be stirred uniformly, and the time for stirring the slurry is long.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, an object of the utility model is to provide a system ware is mixed to mud and mud system circulation system, this system ware is mixed to mud and mud system circulation system convenient operation and the mud homogeneity of mixing out are good.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a mud mixer, including the feeder hopper, upper conduit and downcomer, the vertical setting of upper conduit and fixed connection are in the bottom of feeder hopper, upper conduit and feeder hopper intercommunication, fixedly connected with hollow disk seat on the upper conduit lateral wall, the level is inserted in the disk seat and is equipped with the valve plate, the tip cover is established in the disk seat is inside and is passed the upper conduit lateral wall and extend the upper conduit inner chamber in the valve plate, the inside position below the disk seat of upper conduit is provided with a mobilizable manger plate mechanism, the downcomer level sets up, downcomer middle part fixed connection is in the upper conduit bottom, the downcomer communicates with the upper conduit, the ball valve is installed to the thick liquid inlet department of downcomer.

Furthermore, a vertical bolt is connected to the upper plate of the valve seat in a threaded manner, and the bottom of the bolt can abut against the valve plate.

Furthermore, a material placing platform for placing bentonite is horizontally fixed at the edge of the material inlet of the feed hopper.

Furthermore, the inner end part of the valve plate is in a circular arc shape matched with the shape of the inner wall of the upper guide pipe, and the outer end part of the valve plate is provided with a limiting part which is tilted upwards.

Furthermore, the water retaining mechanism comprises a fixed plate fixed on the inner wall of the upper guide pipe and a movable plate connected to the fixed plate, the fixed plate and the movable plate are both arranged in a shape matched with the upper guide pipe, the movable plate is movably connected to the fixed plate through a hinge, and the hinge enables the movable plate to only rotate downwards.

Further, the downcomer is supported above the ground by a base.

A mud mixing and circulating system comprises the mud mixer, a mud pump and a mud pool, wherein a lower guide pipe of the mud mixer is communicated with the mud pool through the mud pump.

The utility model discloses following beneficial effect has:

the utility model discloses a mud system of mixing ware can make bentonite and water intensive mixing through control volume of advancing soil and inflow size, and mud homogeneity is good. The mixer and the mud pool form a circulating system, when the specific gravity of the mud is small, the mud can be pumped back into the mixer by a mud pump to be mixed with the bentonite again until the specific gravity of the mud meets the construction requirement. The quality of the mixed slurry is high.

The utility model reduces the investment of mechanical equipment and personnel in the process of mixing the slurry, reduces the construction cost and has good economic benefit; the novel slurry mixer is high in mixing speed and efficiency, and saves a large amount of construction time compared with the traditional process. Through mixing the technology with using novel mud to tradition and mixing the ware and contrast, tradition technology is mixed 20 and is on average needed 3~4h, adopts novel mud to mix the ware and on average needs 1~2h, and efficiency is showing and is promoting.

Drawings

FIG. 1 is a schematic view of the overall structure of the slurry mixer of the present invention;

FIG. 2 is a schematic structural view of an upper duct of the slurry mixer of the present invention;

fig. 3 is a schematic view of the overall structure of the slurry mixing circulation system of the present invention.

Description of reference numerals:

1-feed hopper, 11-discharge platform, 2-upper guide pipe, 21-valve seat, 22-valve plate, 221-limiting part, 23-bolt, 24-water retaining mechanism, 241-fixing plate, 242-movable plate, 3-lower guide pipe, 31-ball valve, 4-base, 5-slurry pump and 6-slurry pool.

Detailed Description

The invention will be described in further detail with reference to the following drawings and specific embodiments:

referring to fig. 1 to 3, a slurry mixer includes a feed hopper 1, an upper duct 2, a lower duct 3, and a base 4.

And a discharging platform 11 for placing bentonite is horizontally fixed at the edge of the feeding hole of the feeding hopper 1. The vertical setting of upper pipe 2 and fixed connection are in the bottom of feeder hopper 1, upper pipe 2 and feeder hopper 1 intercommunication. A horizontal opening is formed in the side wall of the upper guide pipe 2, a hollow valve seat 21 is fixedly connected to the side wall of the upper guide pipe 2 near the opening, a valve plate 22 is horizontally inserted into the valve seat 21, the inner end portion of the valve plate 22 is sleeved inside the valve seat 21 and penetrates through the opening in the side wall of the upper guide pipe 2 to extend into the inner cavity of the upper guide pipe 2, and preferably, the inner end portion of the valve plate 22 is in a circular arc shape matched with the inner wall of the upper guide pipe 2 in shape. The outer end of the valve plate 22 is provided with a limit part 221 tilted upwards. Further, a vertical bolt 23 is connected to the upper plate of the valve seat 21 through a screw, and the bottom of the bolt 23 abuts against the valve plate 22 by screwing the bolt 23 downward, so as to fix the position of the valve plate 22. The water retaining mechanism 24 is arranged in the upper guide pipe 2 below the valve seat 21, the water retaining mechanism 24 includes a fixed plate 241 fixed on the inner wall of the upper guide pipe 2 and a movable plate 242 connected to the fixed plate 241, the fixed plate 241 and the movable plate 242 are both configured in a shape matching the upper guide pipe 2, the movable plate 242 is movably connected to the fixed plate 241 by a hinge, and the hinge enables the movable plate 242 to only rotate downwards.

The lower guide pipe 3 is horizontally arranged, the middle part of the lower guide pipe 3 is fixedly connected to the bottom of the upper guide pipe 2, and the lower guide pipe 3 is communicated with the upper guide pipe 2. The lower conduit 3 is communicated with a mud pit 6 through a mud pump 5, and a ball valve 31 is arranged at a mud inlet of the lower conduit 3. The downcomer 3 is supported above the ground by a base 4.

The bentonite is placed on the discharging platform 11, poured into the upper guide pipe 2 from the feed hopper 1, and the feeding amount of the bentonite can be adjusted through the valve plate 22; the water flows through the lower conduit 3 and mixes with the bentonite falling from the upper conduit 2. The bentonite and water are circulated between the mud pit 6 and the mixer by a mud pump 5 until the construction requirements are met.

The above only is the detailed implementation manner of the present invention, not limiting the patent scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A mud mixer is characterized in that: including feeder hopper (1), upper conduit (2) and downcomer (3), upper conduit (2) vertical setting and fixed connection are in the bottom of feeder hopper (1), upper conduit (2) and feeder hopper (1) intercommunication, hollow disk seat (21) of fixedly connected with on upper conduit (2) lateral wall, valve plate (22) are inserted to disk seat (21) interior level, the tip cover is established in disk seat (21) is inside and passes upper conduit (2) lateral wall and extend in upper conduit (2) inner chamber in valve seat (22), upper conduit (2) are inside to be provided with a mobilizable manger plate mechanism (24) in disk seat (21) below position, downcomer (3) horizontal setting, downcomer (3) middle part fixed connection is in upper conduit (2) bottom, downcomer (3) and upper conduit (2) intercommunication, ball valve (31) are installed to the thick liquid inlet department of downcomer (3).

2. The mud mixer of claim 1, wherein: the upper plate of the valve seat (21) is in threaded connection with a vertical bolt (23), and the bottom of the bolt (23) can abut against the valve plate (22).

3. The mud mixer of claim 1, wherein: the feeding port edge level of feeder hopper (1) is fixed with blowing platform (11) that are used for placing the bentonite.

4. The mud mixer of claim 1, wherein: the inner end part of the valve plate (22) is in a circular arc shape matched with the shape of the inner wall of the upper guide pipe (2), and the outer end part of the valve plate (22) is provided with a limiting part (221) which is tilted upwards.

5. The mud mixer of claim 1, wherein: the water retaining mechanism (24) comprises a fixed plate (241) fixed on the inner wall of the upper guide pipe (2) and a movable plate (242) connected to the fixed plate (241), the fixed plate (241) and the movable plate (242) are both arranged in a shape matched with the upper guide pipe (2), the movable plate (242) is movably connected to the fixed plate (241) through a hinge, and the hinge enables the movable plate (242) to only rotate downwards.

6. The mud mixer of claim 1, wherein: the downcomer (3) is supported above the ground by a base (4).

7. The utility model provides a mud system of mixing system which characterized in that: comprising a mud mixer according to any of claims 1 to 6, a mud pump (5) and a mud pit (6), the downcomer (3) of the mud mixer being in communication with the mud pit (6) via the mud pump (5).