CN201208531Y

CN201208531Y - Mud desander

Info

Publication number: CN201208531Y
Application number: CNU2008200740025U
Authority: CN
Inventors: 李彦光
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-03-05
Filing date: 2008-03-05
Publication date: 2009-03-18
Anticipated expiration: 2018-03-05

Abstract

The utility model relates to a cyclone desander, which is mainly used for removing sand grains, breakstones, etc. in wall protecting mud during the piling (grooving) construction process and belongs to an auxiliary tool in the foundational engineering construction. The cyclone desander adopts a cyclone which is widely used overseas at present as a core, and integrates three purification methods that are pre-filtration, hydraulic cyclone and precipitation. The desander comprises a mud storage box, a double-layer shale shaker, cyclone groups (the number of which is three) and a setting tank; the mud to be processed passes through a pre-filtration device to filter clods with large particle size and sundries, and then passes through a bottom shale shaker for separation; the mud containing small particle size falls into the mud storage box; a slurry pump pumps the mud containing small particle size into three cyclones for hydraulic cyclone; sand pulps and overflow pulps are separated under the physical action in a spin chamber; the sand pulps are spurted out from a lower port and are separated out through the double-layer shale shaker; the overflow pulps flow into the setting tank; the clean mud which is precipitated flows out for reuse.

Description

Mud desander

Technical field:

The utility model belongs to a kind of aid of basic engineering construction, particularly a kind of mud desander that is used for usefulness such as pile (groove) work progress removing slurry coat method doping sand grains, stone fragment.

Background technology:

In basic engineering construction; adopting slurry strengthened wall, circulation drilling process is one of method comparatively commonly used, and in recent years, large full hydraulic equipment widely adopts in foundation engineering; rotary drilling rig, continuous wall trench underground machine etc. have changed the technology of pore-forming (groove) in the foundation engineering; this technology is raised the efficiency, and simultaneously mud is required to improve constantly, and mud desander is the aid of this technology; mud is reused; fast purification, good purification, protection environment.

In the past few years, introducing equipment generally adopts the gravitational settling method in basic engineering construction, when in the city, constructing several mud pits are set, the precipitation that circulates, and then use the human powered cycles desilting, when constructing in the open air, then excavate mud-settling pit, draw very long groove, precipitation when making the long distance of mud flow through, above method clean-up effect is bad, reduce the mud service efficiency, the mud mortar inconvenience transportation of removing, contaminated environment.It is unreasonable that some desander exists structural design, can not adapt to this construction technology, and desanding effect is undesirable, regular maintenance expense height.

Summary of the invention:

The purpose of this utility model just is to overcome above-mentioned the deficiencies in the prior art, and a kind of mud desander is provided, and the desanding effect of this desander is good, and mud is reused.

The technical solution of the utility model is: a kind of mud desander, pre-filter bowl, three hydrocyclones, three kinds of purification methods of settling tank are incorporated into all over the body, it is characterized in that pulp-inlet pipe directly connects pre-filter bowl, the bottom screen cloth of the chute butt joint vibratory sieve bucket of pre-filter bowl bottom, vibratory sieve bucket top is provided with vibrating motor, and the vertical lower of screen cloth is a slurry-storing box; Slag stock pump pulp absorbing hole is communicated with slurry-storing box, and pumping outlet is communicated with the hydrocyclone group by the hose valve group, the upper strata screen cloth of hydrocyclone group below butt joint vibratory sieve bucket, and the slag stock pump is connected by belt with motor, and slag stock pump pumping outlet is drawn bypass and is directly entered slurry-storing box; The hydrocyclone group is suitable for reading to link to each other with settling tank by pipeline, and settling tank is connected with grout outlet, and the liquid level float links to each other with settling tank.

Above-mentioned three hydrocyclone parallel connections, it is suitable for reading to link to each other with settling tank by pipeline.

Above-mentioned liquid level float is installed in slurry-storing box top, and the liquid level float links to each other with settling tank.

Above-mentioned pre-filter bowl is that two different-diameter cylinders constitute.

The bypass that above-mentioned slag stock pump (14) pumping outlet is drawn directly enters slurry-storing box.

The utility model has the advantages that: 1, fast purification, good purification can make mud reuse, the protection environment.2, be adapted to multi-form mud, for example: bentonite mud, macromolecular mud.

Description of drawings

Fig. 1 is the structural representation of the utility model mud desander.

Fig. 2 is the schematic diagram of the utility model mud desander.

Fig. 3 is the front view of hydrocyclone group.

Fig. 4 be the hydrocyclone group vertical view.

The specific embodiment:

This device comprises slurry-storing box 1, vibratory sieve bucket 2, vibrating motor 3, hydrocyclone group 4, pipeline 5, hose valve group 6, pre-filter bowl 7, pulp-inlet pipe 8, bypass 9, settling tank 10, liquid level float 11, motor 12, grout outlet 13.Scheme is as follows: to purify mud is purpose, three times to mud purification, at first mud is filtered roughly, avoid big foreign material damage, block system, pulp-inlet pipe 8 directly connects pre-filter bowl 7, and pre-flock begins to carry out diameter〉the staying in the pre-filter bowl 7 of 5mm, remaining slurry falls on the bottom screen cloth face of vibratory sieve bucket 2 vibrosieve along chute; Secondly mud enters the slurry-storing box 1 of screen cloth vertical lower, slag stock pump 14 is inhaled slurry from slurry-storing box 1 below, and be pumped to hydrocyclone group 4 by hose valve group 6, purification separation process in hydrocyclone group 4 is the core of this device, can reach fast, clean parting sand, this desander have improved the form that hydrocyclone group 4 advances to starch manifold trunk and overfall manifold trunk, form with reducer pipe is installed, and sees accompanying drawing 3; Once more, enter settling tank 10 from the hydrocyclone group 4 overflow slurry that comes out suitable for reading by pipeline 5, the purification slurry on settling tank 10 post precipitation tops flows out by grout outlet 13.

Liquid level float 11 is installed in the slurry-storing box 1 in the device, and rising and falling has guide plate, can move with liquid level, links to each other the benefit slurry mouth of opening and closing settling tank 10 with settling tank 10.

This device slag stock pump 14 pumping outlets are drawn bypass 9 and are directly entered slurry-storing box 1, and key is to open bypass 9 and blows afloat the heavy silt of stirring slurry-storing box 1, reduce desilting.

Claims

1, a kind of novel mud desander, pre-filter bowl (7), three hydrocyclones (4), (10) three kinds of purification methods of settling tank are incorporated into all over the body, it is characterized in that pulp-inlet pipe (8) directly connects pre-filter bowl (7), the bottom screen cloth of the chute butt joint vibratory sieve bucket (2) of pre-filter bowl (7) bottom, vibratory sieve bucket top is provided with vibrating motor (3), and the vertical lower of screen cloth is slurry-storing box (1); Slag stock pump (14) pulp absorbing hole is communicated with slurry-storing box (1), pumping outlet is communicated with hydrocyclone group (4) by hose valve group (6), the upper strata screen cloth of hydrocyclone group (4) below butt joint vibratory sieve bucket (2), slag stock pump (14) is connected by belt with motor (12), and slag stock pump (14) pumping outlet is drawn bypass (9) and directly entered slurry-storing box (1); Hydrocyclone group (4) is suitable for reading to link to each other with settling tank (10) by pipeline (5), and settling tank (10) is connected with grout outlet (13), and liquid level float (11) links to each other with settling tank (10).

2, mud desander as claimed in claim 1 is characterized in that: three hydrocyclones (4) parallel connection, its pipeline (5) that passes through suitable for reading links to each other with settling tank (10).

3, mud desander as claimed in claim 1 is characterized in that: liquid level float (11) is installed in slurry-storing box (1) top, and liquid level float (11) links to each other with settling tank (10).

4, mud desander as claimed in claim 1 is characterized in that: pre-filter bowl (7) is that two different-diameter cylinders constitute.

5, mud desander as claimed in claim 1 is characterized in that: the bypass (9) that slag stock pump (14) pumping outlet is drawn directly enters slurry-storing box (1).