CN213510532U

CN213510532U - Multi-hole synchronous quick grouting system

Info

Publication number: CN213510532U
Application number: CN202022506142.9U
Authority: CN
Inventors: 景慎怀; 崔海军; 魏涛
Original assignee: Huainan Mining Group Co Ltd
Current assignee: Huainan Mining Group Co Ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-06-22
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a multi-hole synchronous quick grouting system, which comprises at least two grouting pumps, a header pipe, a plurality of grouting pipes and a grout outlet pipe; the outlets of the at least two grouting pumps are connected to the grout outlet pipe; the outlet end of the slurry outlet pipe is connected to the main pipe; the outlet end of the main pipe is connected with a plurality of grouting pipes; the grouting pipe is inserted into the drill hole; the utility model discloses, through being connected a plurality of slip casting pipes and a house steward back, on being connected to two at least slip casting pumps, realize porous synchronous quick grouting work, shortened the slip casting time, improved the equal slip casting efficiency of people, two at least slip casting pumps replace the slurrying moreover, guarantee the sufficiency of thick liquid.

Description

Multi-hole synchronous quick grouting system

Technical Field

The utility model relates to a colliery gas drainage technical field specifically is porous synchronous quick slip casting system.

Background

Along with the updating and upgrading of drilling equipment, the drilling construction efficiency is gradually improved, and the drilling machine moving and installing time is mainly saved. In order to reduce labor and improve efficiency in the drilling construction process, a drilling machine work area adopts a mode of extracting, drilling and centralized grouting. The centralized grouting still adopts a one-hole one-grouting mode. Then, one hole and one injection have the following defects that the injection pump and the matched pipeline thereof need to be connected every injection. After grouting is finished, the grouting pump needs to be cleaned in time, so that the time consumption is long and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: the efficient multi-hole synchronous rapid grouting system is provided.

In order to solve the technical problem, the utility model provides a following technical scheme: the multi-hole synchronous quick grouting system comprises at least two grouting pumps, a main pipe, a plurality of grouting pipes and a grout outlet pipe; the outlets of the at least two grouting pumps are connected to the grout outlet pipe; the outlet end of the slurry outlet pipe is connected to the main pipe; the outlet end of the main pipe is connected with a plurality of grouting pipes; the grout pipe is inserted into the bore hole.

Through being connected the back with a plurality of slip casting pipes and a house steward, on being connected to two at least grouting pumps, realize porous synchronous quick grouting work, shortened the slip casting time, improved the equal slip casting efficiency of people, two at least grouting pumps replace the slurrying in turn moreover, guarantee the sufficiency of thick liquid.

Preferably, the outlet end of the main pipe is connected with the grouting pipe through a second connecting tee;

preferably, the slurry outlet pipe is connected with a main pipe through a first connecting tee.

Preferably, a grouting valve is arranged on the grouting pipe; the grouting valve comprises a second gate valve and a second pressure relief valve; and the grouting pipe is connected with a second gate valve through threads.

Preferably, a second pressure relief valve with an outlet facing the outside air is further connected to the grouting pipe through threads.

Preferably, a pump body valve is connected to the outlet end of the grouting pump on the grout outlet pipe through threads; the pump body valve comprises a first gate valve; and the slurry outlet pipe is connected with a first gate valve through threads.

Preferably, the pulp outlet pipe is further connected with a first pressure relief valve with an outlet facing the outside air through threads.

Preferably, a detachable grouting head is installed at the front end of the grouting pipe.

Preferably, there are three said slip casting pipes. According to the drilling quantity, the quantity of the grouting pipes 3 is properly reduced, and the optimal per-capita efficiency is achieved.

Preferably, there are three grouting pumps. Three grouting pumps 1 replace the slurrying in turn, guarantee the slip casting work normal operating of slip casting pipe 3, avoid the thick liquid to provide not last.

Connecting the slurry outlet pipe of the slurry pump with the main pipe, selecting a proper slurry injection head according to the depth of the drilled hole, installing the slurry injection head at the front end of the slurry injection pipe, then the grouting pipe is connected to the main pipe through a second connecting tee joint, the grouting head is inserted into the corresponding drill hole, two grouting pumps are started, the two grouting pumps perform grouting alternately, the grout enters the main pipe through the grout outlet pipe and then enters the four grouting pipes from the outlet end of the main pipe, then injecting the slurry into the drill hole from the grouting head, observing the condition of the grouting pipe, closing the orifice gate valve and the second gate valve after slurry return occurs in the drill hole, then the grouting pipes are connected into the drill holes to be grouted, four grouting pipes are used for grouting alternately, the grouting work of all the drill holes is realized, compared with the grouting work of a single drill hole, three persons are needed, five persons are needed after the improvement, although the number of people is two, the average time required for grouting of a single drilling hole is 30 minutes (including the interval time); each set of drilled holes (calculated as 8 holes) took 240 minutes. The rapid centralized grouting method requires 90 minutes for each set of drilled holes. The efficiency is improved by 2.7 times, and the per-capita efficiency is improved by 1.6 times.

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

A. after the plurality of grouting pipes are connected with the main pipe and connected to the at least two grouting pumps, the multi-hole synchronous quick grouting work is realized, the grouting time is shortened, the man-uniform grouting efficiency is improved, and the at least two grouting pumps alternately perform grouting to ensure the sufficiency of grout;

B. compared with single drilling grouting, the drilling grouting method needs three persons, and needs five persons after improvement, although two persons are added, the average time needed by the single drilling grouting is 30 minutes (including interval time); each set of drilled holes (calculated as 8 holes) took 240 minutes. The rapid centralized grouting method requires 90 minutes for each set of drilled holes. The efficiency is improved by 2.7 times, and the per-capita efficiency is improved by 1.6 times; according to the number of the drilled holes, the number of the grouting pipes 3 is properly reduced, and the optimal per capita efficiency is achieved; three grouting pumps 1 replace the slurrying in turn, guarantee the slip casting work normal operating of slip casting pipe 3, avoid the thick liquid to provide not last.

Drawings

Fig. 1 is the system structure diagram of the multi-hole synchronous quick grouting system.

Reference numerals: 1. grouting pump; 1a, a pump body valve; 1a1, first gate valve; 1a2, first pressure relief valve; 1b, a slurry outlet pipe; 1c, a first connecting tee; 2. a header pipe; 3. a grouting pipe; 3a, grouting a valve; 3a1, second gate valve; 3a2, second pressure relief valve; 3b, a second connecting tee; 4. and (6) drilling.

Detailed Description

In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Example one

Referring to fig. 1, the embodiment discloses a multi-hole synchronous rapid grouting system, which includes two grouting pumps 1, a main pipe 2, and four grouting pipes 3. The outlets of the two grouting pumps 1 are connected with a grout outlet pipe 1b through a flange. The slurry outlet pipe 1b is connected with a main pipe 2 through a first connecting tee 1 c. The outlet end of the main pipe 2 is connected with the grouting pipe 3 through four second connecting tee joints 3 b. Four grouting pipes 3 are inserted into the four boreholes 4.

And a grouting valve 3a is connected to the grouting pipe 3 through threads. The grouting valve 3a includes a second gate valve 3a1 and a second relief valve 3a 2. The slip casting pipe 3 is connected with a second gate valve 3a1 through a screw thread. A second pressure relief valve 3a2 having an outlet facing the outside air is further screwed to the grout pipe 3.

And a pump body valve 1a is connected to the outlet end of the grouting pump 1 on the grout outlet pipe 1b through threads. The pump body valve 1a comprises a first gate valve 1a1 and a first pressure relief valve 1a 2. The pulp outlet pipe 1b is connected with a first gate valve 1a1 through a thread. A first pressure relief valve 1a2 with an outlet facing the outside air is further connected to the slurry outlet pipe 1b through threads.

The front end of the grouting pipe 3 is provided with a detachable grouting head.

The working principle of the embodiment is as follows: connecting a grout outlet pipe 1b of a grouting pump 1 with a main pipe 2, selecting a proper grouting head according to the depth of a drilled hole, installing the grouting head at the front end of the grouting pipe 3, connecting the grouting pipe 3 to the main pipe 2 through a second connecting tee joint 3b, then inserting the grouting head into the corresponding drilled hole, starting two grouting pumps 1, alternately pulping by the two grouting pumps 1, allowing grout to enter the main pipe 2 through the grout outlet pipe 1b, allowing the grout to enter four grouting pipes 3 from the outlet end of the main pipe 2, injecting the grout into the drilled hole 4 from the grouting head, observing the condition of the grouting pipe 3, closing an orifice gate valve and a second gate valve 3a1 after grout returns occur in the drilled hole 4, connecting the grouting pipe 3 into the drilled hole 4 to be grouted, alternately injecting the four grouting pipes 3 into the drilled holes 4, realizing the grouting work of all the drilled holes 4, and requiring three persons for grouting of a single drilled hole 4, after the improvement, five persons are needed, and although two persons are more, the average time required for grouting of a single drill hole 4 is 30 minutes (including the interval time); each set of drilled holes (calculated as 8 holes) took 240 minutes. The rapid centralized grouting method requires 90 minutes for each set of drilled holes. The efficiency is improved by 2.7 times, and the per-capita efficiency is improved by 1.6 times.

Example two

There are three injection pipes 3. According to the drilling quantity, the quantity of the grouting pipes 3 is properly reduced, and the optimal per-capita efficiency is achieved.

EXAMPLE III

The grouting pump 1 has three. Three grouting pumps 1 replace the slurrying in turn, guarantee the slip casting work normal operating of slip casting pipe 3, avoid the thick liquid to provide not last.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.

Claims

1. Porous synchronous quick slip casting system, its characterized in that: the system comprises at least two grouting pumps, a header pipe, a plurality of grouting pipes and a grout outlet pipe; the outlets of the at least two grouting pumps are connected to the grout outlet pipe; the outlet end of the slurry outlet pipe is connected to the main pipe; the outlet end of the main pipe is connected with a plurality of grouting pipes; the grout pipe is inserted into the bore hole.

2. The multi-hole synchronous rapid grouting system according to claim 1, characterized in that: the outlet end of the main pipe is connected with the grouting pipe through a second connecting tee.

3. The multi-hole synchronous rapid grouting system according to claim 1, characterized in that: the slurry outlet pipe is connected with a main pipe through a first connecting tee.

4. The multi-hole synchronous rapid grouting system according to claim 1, characterized in that: a grouting valve is arranged on the grouting pipe; the grouting valve comprises a second gate valve; and the grouting pipe is connected with a second gate valve through threads.

5. The multi-hole synchronous rapid grouting system according to claim 4, characterized in that: and a second pressure relief valve with an outlet facing to the outside air is connected to the grouting pipe through threads.

6. The multi-hole synchronous rapid grouting system according to claim 1, characterized in that: a pump body valve is connected to the outlet end of the grouting pump on the slurry outlet pipe through threads; the pump body valve comprises a first gate valve; and the slurry outlet pipe is connected with a first gate valve through threads.

7. The multi-hole synchronous rapid grouting system according to claim 6, characterized in that: and the pulp outlet pipe is also connected with a first pressure relief valve with an outlet facing to the outside air through threads.

8. The multi-hole synchronous rapid grouting system according to claim 1, characterized in that: the front end of the grouting pipe is provided with a detachable grouting head.

9. The multi-hole synchronous rapid grouting system according to claim 1, characterized in that: the number of the grouting pipes is three.

10. The multi-hole synchronous rapid grouting system according to claim 1, characterized in that: the grouting pump has three.