CN212888233U

CN212888233U - Combined type slurry efficient preparation system

Info

Publication number: CN212888233U
Application number: CN202020940174.7U
Authority: CN
Inventors: 周梦钿
Original assignee: Zhejiang Geotechnical Technology Co Ltd
Current assignee: Zhejiang Geotechnical Technology Co Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-04-06
Anticipated expiration: 2030-05-28

Abstract

The combined type slurry efficient preparation system comprises a slurry making pool, wherein a slurry pump is arranged in the slurry making pool, slurry at the bottom of the pool is sent into a circulating pipeline through negative pressure by the slurry pump, a hopper used for feeding materials is arranged on the circulating pipeline, a pipeline positioned at the discharge end of the bottom of the hopper is led to the slurry making pool, and the diameter of the pipeline at the section is larger than that of a pipeline at the feed end of the bottom of the hopper. The utility model has the advantages of little environmental pollution, good slurry quality, convenient operation, high efficiency and stability.

Description

Combined type slurry efficient preparation system

Technical Field

The utility model relates to a mud preparation facilities especially relates to a modular high-efficient preparation system of mud.

Background

Along with the rapid development of the modern social infrastructure industry, the urban rail transit is developed rapidly, and due to the fact that the underground diaphragm wall industry is short in construction period, high in quality requirement and strict in environmental protection requirement, the requirement during slurry preparation is greatly improved, and the high efficiency and environmental protection requirement of underground diaphragm wall construction is met. The high-speed pulping machine is one of the most extensive methods for preparing slurry in the construction of underground diaphragm walls, has the advantages of simple process, low energy consumption, simple operation and the like, and the working process is characterized in that a motor drives a high-speed turbine pump, so that the slurry is sucked in a vortex shape from the bottom and is sprayed out from the upper end of a barrel to generate high-speed liquid flow, and strong vortex is formed in the barrel, so that dry powder and water are fully and uniformly stirred, and the aim of preparing the slurry with low water-to-gel ratio is fulfilled. However, as the demand for slurry preparation becomes higher and higher, the original high-speed pulper of the rough type has the following problems: 1. the bentonite, the soda ash and the cellulose have poor mixing effect, and are easy to generate precipitation, so that the slurry is not uniformly stirred, the tank forming effect is influenced, and the tank wall hole collapse is easy to cause; 2. during the process of adding bentonite, a great amount of dust is generated, which causes environmental pollution.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a combined type slurry high-efficiency preparation system which has the advantages of small environmental pollution, good slurry quality, convenient operation and high efficiency and stability.

The purpose of the utility model is realized by adopting the following technical scheme:

the combined type slurry efficient preparation system comprises a slurry making pool, wherein a slurry pump is arranged in the slurry making pool, slurry at the bottom of the pool is sent into a circulating pipeline through negative pressure by the slurry pump, a hopper used for feeding materials is arranged on the circulating pipeline, a pipeline positioned at the discharge end of the bottom of the hopper is led to the slurry making pool, and the diameter of the pipeline at the section is larger than that of a pipeline at the feed end of the bottom of the hopper.

Further, the diameter ratio of the pipeline at the discharge end of the bottom of the funnel to the pipeline at the feed end is greater than 5: 4, to realize the quick cyclic delivery of material and reduce the dust.

Furthermore, the pipeline at the discharge end of the bottom of the funnel is provided with a section of reducing pipeline with gradually increasing diameter.

Furthermore, a slurry outlet pump is arranged in the slurry preparing pool, and a discharge pipe is arranged on the slurry outlet pump so as to finish the discharge action.

Furthermore, a slurry outlet pump is arranged in the slurry preparing pool, a discharge pipe of the slurry outlet pump is in cross communication with the circulating pipeline through a four-way valve, and valves are respectively arranged at four ports of the four-way valve.

Further, the circulation pipeline includes conveyer pipe, circulating pipe and inlet pipe pass through the funnel is connected, is provided with three-way valve and the three-way valve other end connection discharging pipe between conveyer pipe and the circulating pipe, and the link of logical valve and discharging pipe and circulating pipe all is provided with the valve, through valve on-off control for first slush pump is used for slurrying respectively and goes out the thick liquid process, and the discharge end of circulating pipe is connected with the feed inlet of funnel bottom, and the discharge gate of funnel bottom is connected with the inlet pipe, and the pipe diameter of inlet pipe is greater than the pipe diameter.

Furthermore, a circulating pump is arranged in the pulping tank and used for preventing the sedimentation in the pulping tank and storing the circular flow of the slurry.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) the funnel is additionally arranged at the position of the guide pipe bin, and the negative pressure in the guide pipe bin is increased, so that the poured bentonite is fully sucked and stirred, and the guide pipe bin has the outstanding characteristics of uniform slurry stirring, short reaction time and the like.

(2) The bentonite suction treatment system greatly reduces the concentration of dust on the basis of the original tradition, greatly improves the working environment and responds to the national environmental protection requirement.

Drawings

Fig. 1 is a schematic structural view of the present invention;

the labels and counterparts in the figures are: 1-a pulping pool, 2-a first slurry pump, 3-a second slurry pump, 4-a conveying pipe, 5-a three-way valve, 6-a valve, 7-a circulating pipe, 8-a funnel, 9-a feeding pipe, 10-a discharging pipe and 11-a material bag.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, and it is to be understood that the following description of the present invention is made only by way of illustration and not by way of limitation with reference to the accompanying drawings. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

Example 1:

as shown in fig. 1, the combined type slurry high-efficiency preparation system comprises a slurry making pool 1, wherein a first slurry pump 2 and a second slurry pump 3 are arranged in the slurry making pool 1, slurry at the bottom of the pool is fed into a conveying pipe 4 by the first slurry pump 2 through negative pressure, the conveying pipe 4 is respectively connected with a discharging pipe 10 and a circulating pipe 7 through a three-way valve 3, valves 6 are respectively arranged at the connecting ends of the three-way valve 3, the discharging pipe 10 and the circulating pipe 7, the first slurry pump 2 is respectively used for slurry making and slurry discharging processes through on-off control of the valves 6, the discharging end of the circulating pipe 7 is connected with a feeding port at the bottom of a funnel 8, a discharging port at the bottom of the funnel 8 is connected; the first slurry pump 2 is a slurry preparing and discharging shared pump, the second slurry pump 3 is a circulating pump, and the circulating pump is positioned at the bottom of the slurry preparing pool 1 and used for enabling the slurry pumps in the preparation process to circularly flow and preventing the slurry pumps from precipitating in the slurry preparing process; in the embodiment, the delivery pipe 4, the circulation pipe 7 and the circulation pipe 7 form a circulation pipeline, the main body of the circulation pipeline is arranged on the ground level or other levels, and the pipe diameter ratio of the feeding pipe 9 to the circulation pipe 7 is more than 5: 4, and a section of the discharge pipe 10 is a reducing pipeline with gradually increasing diameter.

During concrete implementation, in the pulping process, close discharging pipe 10 valve 6, material circulation flow, when flowing inlet pipe 9 department, because the pipe diameter grow can produce the negative pressure, therefore after throwing into materials such as bentonite in the material package 11, can adsorb to discharging pipe 10 fast, play the effect that reduces the dust and strengthen the mixed effect, at the play thick liquid in-process, close the valve 6 of circulating pipe 7 feed end, open discharging pipe 10 valve 6, the mud that is prepared just can flow to the mud reserve tank from discharging pipe 10 play.

Example 2

Example 2 differs from example 1 in that: the slurry pump connected with the circulating pipeline 7 is only used as a slurry making pump, and meanwhile, a slurry outlet pump is additionally arranged, is connected with the discharge pipe 10 and sends prepared slurry out of the discharge pipe 10 after slurry making is finished;

furthermore, a discharge pipe 10 of the slurry outlet pump is connected with a circulating pipe 7 of the slurry pump, a four-way valve is arranged on a connecting part, valves 6 for opening or closing pipelines are arranged at four ports of the four-way valve, and the effect that the same slurry pump is respectively used for slurry making or slurry outlet can be achieved.

The utility model discloses based on original high-efficient mixing of high-speed pulping machine is equipped, goes out at the pipe storehouse and adds a funnel, because the fast operation makes negative pressure increase in the pipe storehouse, when the leading-in funnel of bentonite, by abundant suction, along with whirl intensive mixing mixes, adopts motor drive high-speed turbopump as the special agitator of mud simultaneously, through the high-speed rotation of turbopump, makes soda, cellulose, water and bentonite mud intensive mixing be required high quality mud.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. High-efficient preparation system of combination formula mud, including the pulping pond, its characterized in that: the slurry pump is arranged in the slurry making tank, slurry at the bottom of the tank is sent into the circulating pipeline through negative pressure, a hopper used for feeding materials is installed on the circulating pipeline, a pipeline located at the discharging end of the bottom of the hopper leads to the slurry making tank, and the diameter of the section of pipeline is larger than that of a pipeline at the feeding end of the bottom of the hopper.

2. The combined slurry high-efficiency preparation system according to claim 1, wherein: the diameter ratio of the pipeline at the discharge end of the bottom of the funnel to the pipeline at the feed end is greater than 5: 4.

3. the combined slurry high-efficiency preparation system according to claim 1, wherein: the pipeline at the discharge end of the bottom of the funnel is provided with a variable diameter pipeline with gradually increasing diameter.

4. The combined slurry high efficiency preparation system according to claim 1, 2 or 3, wherein: the pulping tank is internally provided with a pulp outlet pump, and the pulp outlet pump is provided with a discharge pipe.

5. The combined slurry high efficiency preparation system of claim 4, wherein: and a discharge pipe of the slurry outlet pump is in cross communication with the circulating pipeline through a four-way valve, and four ports of the four-way valve are respectively provided with a valve.

6. The combined slurry high efficiency preparation system according to claim 1, 2 or 3, wherein: circulation pipeline includes conveyer pipe, circulating pipe and inlet pipe pass through the funnel is connected, is provided with three-way valve and the three-way valve other end between conveyer pipe and the circulating pipe and connects the discharging pipe, and the link of logical valve and discharging pipe and circulating pipe all is provided with the valve, through valve on-off control for first slush pump is used for slurrying respectively and goes out the thick liquid process, and the discharge end of circulating pipe is connected with the feed inlet of funnel bottom, and the discharge gate of funnel bottom is connected with the inlet pipe, and the pipe diameter of inlet pipe is greater than.

7. The combined slurry high efficiency preparation system of claim 6, wherein: and a circulating pump is also arranged in the pulping tank.