阅读说明：本技术 一种适用于tbm隧道施工的泥浆循环及泵送系统 (Mud circulation and pumping system suitable for TBM tunnel construction ) 是由 罗文帮 张正雨 徐世红 陈锐 谢贻奎 李涛 黄鹏 谭芝文 陈宇波 代勇 李晓辉 于 2021-09-07 设计创作，主要内容包括：本发明提供了一种适用于TBM隧道施工的泥浆循环及泵送系统,包括沉淀池和泥浆泵,泥浆泵设置在主管道上,主管道的输入端连接输入管,主管道的输出端连接输出管,输出管上设有第一阀门和第二阀门,输出端位于第一阀门和第二阀门之间,输出管两端分别为左输出端和右输出端,右输出端上设有多个位于沉淀池正上方的上分支管,左输出端连接接车管,输入管连接多个下分支管,下分支管伸入沉淀池底部。本发明输出管和泥浆输入管分别包括多个上分支管和下分支管,可以让整个沉淀池中的泥浆得到更加均匀的搅拌,大大减轻沉淀池周围及角落的泥浆堆积凝固；将运送车辆停靠在接车管的出口之下,然后控制第二阀门和第一阀门的关开就可将泥浆泵送到车辆之中,方便快捷。(The invention provides a slurry circulating and pumping system suitable for TBM tunnel construction, which comprises a sedimentation tank and a slurry pump, wherein the slurry pump is arranged on a main pipeline, the input end of the main pipeline is connected with an input pipe, the output end of the main pipeline is connected with an output pipe, the output pipe is provided with a first valve and a second valve, the output end is positioned between the first valve and the second valve, the two ends of the output pipe are respectively a left output end and a right output end, the right output end is provided with a plurality of upper branch pipes positioned right above the sedimentation tank, the left output end is connected with a vehicle receiving pipe, the input pipe is connected with a plurality of lower branch pipes, and the lower branch pipes extend into the bottom of the sedimentation tank. The output pipe and the slurry input pipe respectively comprise a plurality of upper branch pipes and lower branch pipes, so that slurry in the whole sedimentation tank can be stirred more uniformly, and the slurry accumulation and solidification around and at corners of the sedimentation tank are greatly reduced; the delivery vehicle is parked below the outlet of the vehicle receiving pipe, and then the slurry can be delivered into the vehicle by controlling the opening and closing of the second valve and the first valve, so that the delivery vehicle is convenient and quick.)

1. The utility model provides a mud circulation and pumping system suitable for TBM tunnel construction which characterized in that: including sedimentation tank (1) and slush pump (2), slush pump (2) set up on trunk line (3), input tube (5) are connected to the input of trunk line (3), output tube (4) are connected to the output of trunk line (3), be equipped with first valve (4) and second valve (6) on output tube (4), the output is located between first valve (7) and second valve (6), output tube (4) both ends are left output end and right output end respectively, be equipped with a plurality of being located on the right side output end last bleeder (8) directly over sedimentation tank (1), left side output end connection connects the pipe of taking a car, a plurality of lower bleeder (9) are connected in input tube (5), bleeder (9) stretch into down sedimentation tank (1) bottom.

2. The mud circulation and pumping system suitable for TBM tunnel construction of claim 1, wherein: the section of the sedimentation tank (1) is a V-shaped section.

3. The mud circulation and pumping system suitable for TBM tunnel construction of claim 1, wherein: the bottom of the sedimentation tank (1) is a wave line bottom surface (11), and the pipe orifice of the lower branch pipe (9) extends into the bottom of the wave line bottom surface (11).

4. The mud circulation and pumping system suitable for TBM tunnel construction of claim 1, wherein: sedimentation tank (1) lower part fixed connection filter screen (10) wherein one side, place on the boss filter screen (10), filter screen (10) slope sets up, sedimentation tank (1) side extends to extension (12), extension (12) are equipped with the intercommunication round chamber (14) on sedimentation tank (1) upper portion, filter screen (10) will upper portion and lower part are cut apart into in sedimentation tank (1), the round intracavity is equipped with cylinder (13), round chamber (14) are connected on input tube (5) through connecting pipe (15), motor (18) are connected in cylinder (13).

5. The mud circulation and pumping system suitable for TBM tunnel construction of claim 4, wherein: bull stick (19) is still connected to the output shaft of motor (18), be equipped with rotor (21) on bull stick (19), can beat when rotor (21) is rotatory the unfixed connection end of filter screen (10), montant (26) is connected to the boss, montant (26) lower extreme is equipped with spring (25), the inflater is connected in montant (26), the setting is in to the gas-supply pipe connection of inflater in air cavity (27) on extension (12), air cavity (27) are connected through the trachea input tube (5).

Technical Field

The invention relates to the field of buildings, in particular to a slurry circulating and pumping system suitable for TBM tunnel construction.

Background

When a TBM tunnel is constructed, in order to prevent slurry from solidifying, clean water and a slurry chemical treatment agent are added according to a certain proportion, and slurry on two sides of a ridge in a sedimentation tank needs to be filled and poured back and forth by an excavator so as to achieve the purpose of stirring; furthermore, the way the mud is transported away is: pouring the slurry in the sedimentation tank into a slurry conveying vehicle by using an excavator; the stirring and slurry transportation mode of the sedimentation tank has the following three problems: firstly, a ridge for an excavator to run needs to be built in a sedimentation tank, so that the occupied area of the sedimentation tank is increased, and slurry is excessively dispersed, so that the construction site is more messy, and the method does not conform to the currently advocated environment-friendly construction concept; secondly, an excavator and corresponding excavator technicians need to be equipped to work on the site for a long time, and unnecessary financial resources and manpower are consumed, so that waste is caused; and thirdly, due to the limitation of the field, the excavator cannot efficiently stir the slurry in the whole sedimentation tank uniformly, so that the slurry around and at the corners of the sedimentation tank is accumulated and solidified.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a slurry circulating and pumping system suitable for Tunnel Boring Machine (TBM) tunnel construction.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a mud circulation and pumping system suitable for TBM tunnel construction, includes sedimentation tank and slush pump, the slush pump sets up on the trunk line, the input end of trunk line is connected the input tube, the output tube is connected to the output of trunk line, be equipped with first valve and second valve on the output tube, the output is located between first valve and the second valve, the output tube both ends are left output end and right output end respectively, be equipped with a plurality of last bleeder that are located directly over the sedimentation tank on the output end of the right side, left side output end connection connects the car pipe, a plurality of lower bleeder are connected to the input tube, lower bleeder stretches into the sedimentation tank bottom.

Further, the section of the sedimentation tank is a V-shaped section.

Further, the bottom of the sedimentation tank is a wave line bottom surface, and the pipe orifice of the lower branch pipe extends into the bottom of the wave line bottom surface.

Further, one of them side of sedimentation tank lower part fixed connection filter screen, the filter screen is placed on the boss, the filter screen slope sets up, the sedimentation tank side extends to the extension, the extension is equipped with the intercommunication the round chamber on sedimentation tank upper portion, the filter screen will upper portion and lower part are cut apart into to the sedimentation tank, be equipped with the cylinder in the round chamber, the round chamber passes through the connecting pipe and connects on the input tube, the motor is connected to the cylinder.

Further, the output shaft of motor still connects the bull stick, be equipped with the rotor on the bull stick, the rotor can pat when rotatory the unfixed link of filter screen, the montant is connected to the boss, the montant lower extreme is equipped with the spring, the inflater is connected to the montant, the gas-supply pipe connection of inflater sets up in the air cavity on the extension, the air cavity passes through the trachea and connects the input tube.

Compared with the prior art, the invention has the following beneficial effects: the sedimentation tank has the advantages of simple principle, convenience and quickness in operation and high feasibility, and can enable the slurry to be more concentrated after being sedimentated to the bottom and be more fully stirred by matching with other components; the output pipe and the slurry input pipe respectively comprise a plurality of upper branch pipes and lower branch pipes, so that slurry in the whole sedimentation tank can be stirred more uniformly, and the slurry accumulation and solidification around and at corners of the sedimentation tank are greatly reduced; when the mud is transported away from the sedimentation tank, the mud can be pumped into the vehicle by only stopping the transport vehicle below the outlet of the receiving pipe and then controlling the second valve and the first valve to be opened and closed, so that the convenience and the rapidness are realized; a ridge for the excavator to go through and work is not required to be built in the middle of the sedimentation tank, so that the floor area of the sedimentation tank can be reduced, and the field is saved; after the circulating system is used for replacing an excavator, the investment of manpower and fund can be reduced.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows,

drawings

Fig. 1 is a schematic structural diagram of a slurry circulation and pumping system suitable for TBM tunnel construction.

Fig. 2 is a side view of the settling tank.

Fig. 3 is a schematic diagram of the motor.

Fig. 4 is a partially enlarged view of fig. 2A.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the invention clearer and easier to understand, the invention is further explained by combining the drawings and the detailed implementation mode as follows:

the invention provides a slurry circulating and pumping system suitable for TBM tunnel construction, which comprises a sedimentation tank 1 and a slurry pump 2, wherein the sedimentation tank 1 is provided with an upper opening, the slurry pump 2 is arranged on a main pipeline 3, the input end of the main pipeline 3 is connected with an input pipe 5, the output end of the main pipeline 3 is connected with an output pipe 4, the output pipe 4 is provided with a first valve 7 and a second valve 6, the output end is positioned between the first valve 4 and the second valve 6, the two ends of the output pipe 4 are respectively a left output end and a right output end, the right output end is provided with a plurality of upper branch pipes 8 positioned right above the sedimentation tank 1, the left output end is connected with a vehicle-receiving pipe, the input pipe 5 is connected with a plurality of lower branch pipes 9, the lower branch pipes 9 extend into the bottom of the sedimentation tank 1, and the upper branch pipes 8 are positioned right above the upper opening, the mud pump 2 is fixedly arranged on the side of the sedimentation tank 1, the upper branch pipe 8 and the lower branch pipe are arranged in a staggered mode in the longitudinal direction, so that mud flows to the position where the mud leaves, the mud does not break, when the mud pump 2 is started, the second valve 6 is closed, the first valve is opened, the mud is pumped from the lower branch pipe 9 by the mud pump 2 to the input pipe 5 and then falls along the output pipe 4 to the sedimentation tank 1 again.

The section of the sedimentation tank 1 is a V-shaped section, mud can be more concentrated after being settled to the bottom by the V-shaped section, the mud can be more fully stirred by matching with other components, the bottom of the sedimentation tank 1 is a wave line bottom surface 11, the pipe orifice of the lower branch pipe 9 extends into the bottom of the wave line bottom surface 11, and the wave line bottom surface 11 is convenient for the mud to be separately settled and sucked away by the lower branch pipe 9 at the bottom.

The sedimentation tank 1 lower part fixed connection filter screen 10 one of them side, the filter screen 10 is placed on the boss, the filter screen 10 slope sets up, sedimentation tank 1 side extends to extension 12, extension 12 is equipped with the intercommunication the round chamber 14 on sedimentation tank 1 upper portion, the filter screen 10 will sedimentation tank 1 is cut apart into upper portion and lower part, the round intracavity is equipped with cylinder 13, round chamber 14 passes through connecting pipe 15 and connects on input tube 5, be equipped with fourth valve 16 on the connecting pipe 15, cylinder 13 is connected motor 18, starts motor 18 drives thereby it rotates to make the big solid particle thing that falls into round chamber 14 be crushed by cylinder 13, the mesh of filter screen 10 sets up to 1cm ~ 5cm, the soil stone of the mixture that the diameter is greater than 5cm and mud is filtered by the filter screen 10 and along the slope setting the filter screen 10 falls into round chamber 14, the inner diameter of the circular cavity 14 is 0.1 cm-1 cm larger than the inner diameter of the roller 13, the output shaft of the motor 18 is connected with a speed reducing motor 20, the speed reducing motor 20 is connected with a central shaft arranged on the roller 13, the central shaft 17 is rotatably arranged on the inner wall opposite to the circular cavity 14 to enable the roller 13 to rotate in the circular cavity 14, and the central shaft 17 penetrates through the protrusion to be connected with the speed reducing motor 20.

Because one side of the filter screen 10 is fixedly connected with the lower part of the sedimentation tank 1, the filter screen 10 can swing around the fixed connection part under the action of gravity, and the filter screen 10 swings around the fixed connection part to ensure that the length of the up-and-down swinging arc at one end of the fixed connection is 2 cm-5 cm.

The output shaft of the motor 18 is further connected with a rotating rod 19, the rotating rod 19 is wound with a rotating piece 21, the rotating piece 21 can flap the unfixed connecting end of the filter screen 10 when rotating, the boss is connected with a vertical rod 26, a spring 25 is arranged at the lower end of the vertical rod 26, the vertical rod 26 is connected with an inflator, an air pipe of the inflator is connected and arranged in an air cavity 27 on the extension part 12, the air cavity 27 is connected with the input pipe 5 through an air pipe, the rotating piece 21 is intersected with the filter screen 10 when the filter screen 10 is horizontal, when the filter screen 10 swings to the highest position and the lowest position, the end part of the rotating piece 21 is separated from the filter screen 10 so that the filter screen 10 is continuously flapped when the rotating piece 21 rotates, so that the vertical rod 26 moves up and down, the vertical rod 26 which moves up and down continuously inflates the atmospheric cylinder so as to inflate the air cavity 27, thereby compress the air in the air cavity 27, the spring 25 makes the filter screen 10 return to the initial position and the horizontal position of filter screen 10, it makes to be equipped with the third valve when opening to make on the trachea compressed air in the air cavity 27 blow to the input tube 5, be equipped with the confession on the boss the montant 26 with the vertical cavity 22 of spring 25 activity, the upper pressure end 23 of inflater is connected to the lower extreme of montant 26, be equipped with round spacing platform 24 in the vertical cavity 22, spring 25 sets up again on the spacing platform 24, the upper end of spring is connected the upper pressure end 23, the pole of inflating that the upper pressure end 23 is connected passes spacing platform 24 connects the big air cylinder body.

The inflator is in the prior art and is installed in the boss, an inner space for the inflator to move is arranged in the boss, the inflator comprises an inflator body and an upper pressing end 23 connected with the inflator body, the upper pressing end 23 is used for pressing up and down to inflate the inflator, the upper pressing end 23 is connected with an inflating rod, the inflating rod is connected with the inflator body, the limiting table 24 is provided with a through hole penetrating through the inflating rod, the rotating plate 21 continuously rotates to flap the filter screen 10 so as to enable the vertical rod 26 to be knocked up and down so as to inflate the inflator, the inflating air is inflated through an air pipe connected with the inflator and finally compressed and stored in the air cavity 27, a pressure sensor is arranged in the air cavity 27, and the third valve is opened when the count of the pressure sensor reaches a design value so as to clean the input pipe 5, the opening of the air pipe can also be controlled at any time by controlling the third valve.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.