CN219865035U - Grouting equipment - Google Patents

Abstract

The utility model provides grouting equipment, which comprises a pulping component, a roller screening machine and a grouting pool, wherein the pulping component is provided with a mixing cavity and a discharge hole communicated with the mixing cavity; the roller screening machine is provided with a cylinder cavity, a feeding hole, a sundry discharge opening and a plurality of screening holes, and the feeding hole, the sundry discharge opening and the screening holes are communicated with the cylinder cavity; the discharge port is communicated with the feed port of the roller screening machine so that the slurry containing sundries in the mixing cavity enters the cylinder cavity of the roller screening machine; the drum screening machine is used for discharging sundries in the drum cavity through the sundry discharge port and enabling slurry in the drum cavity to flow out through the screening holes; the roller screening machine is arranged above the grouting pool so that the grouting pool receives the slurry flowing out of the screening holes; the slurry in the grouting pool is used for being injected into the space to be grouting. The slurry prepared by the grouting equipment solves the problem that the slurry prepared by the grouting equipment for grouting a goaf in the prior art is easy to cause blockage of a grouting water pump or a pipeline.

Description

Grouting equipment

Technical Field

The utility model relates to the technical field of goaf grouting, in particular to grouting equipment.

Background

Along with the continuous improvement of the mechanized level of the coal mine, the mining speed is continuously accelerated, so that the goaf coal is increased and the area is enlarged, and the spontaneous combustion hidden trouble of the goaf coal is more prominent. Grouting is the most commonly used technology for preventing mine fires, and is one of the most commonly used methods for treating coal spontaneous combustion fires in large-area goafs at present.

In grouting, because of economical efficiency and practicability, most grouting materials adopt local materials, such as nearby surface aeolian sand and fourth-series loess (containing a small amount of larger sand and stone). Because the soil contains a large amount of sundries such as stones and grass roots, the sundries often block the grouting water pump in the grouting process, and once the grouting water pump is cleaned untimely, the problems of water pump burnout and pipeline blockage are caused, the replacement and treatment of pipelines are time-consuming and labor-consuming, and the normal operation of grouting fire-extinguishing engineering is affected.

Disclosure of Invention

The utility model mainly aims to provide grouting equipment for solving the problem that grouting water pumps or pipelines are easy to be blocked by slurry manufactured by grouting equipment for grouting goaf in the prior art.

In order to achieve the above object, the present utility model provides a grouting apparatus comprising: the pulping assembly is provided with a mixing cavity and a discharge hole communicated with the mixing cavity; wherein, the slurry in the mixing cavity contains sundries; the roller screening machine is provided with a cylinder cavity, a feeding hole, a sundry discharge opening and a plurality of screening holes, and the feeding hole, the sundry discharge opening and the screening holes are communicated with the cylinder cavity; the discharge port is communicated with the feed port of the roller screening machine so that the slurry containing sundries in the mixing cavity enters the cylinder cavity of the roller screening machine; the drum screening machine is used for discharging sundries in the drum cavity through the sundry discharge port and enabling slurry in the drum cavity to flow out through the screening holes; the grouting pool is provided with a roller screening machine above the grouting pool so that the grouting pool receives slurry flowing out of the screening holes; the slurry in the grouting pool is used for being injected into the space to be grouting.

Further, the grouting apparatus further includes: the grouting pump is at least partially arranged in the grouting pool, so that an inlet of the grouting pump is positioned in slurry in the grouting pool; the first pipe orifice of the grouting pipeline is connected and communicated with the outlet of the grouting pump, and the second pipe orifice of the grouting pipeline is used for being communicated with the space to be grouting.

Further, the grouting equipment also comprises a fixedly arranged supporting beam, and the grouting pump is hung on the supporting beam.

Further, the axial direction of the cylinder cavity of the cylinder screening machine is arranged at an included angle with the vertical direction; and/or a plurality of screening holes are communicated with the circumference of the cylinder cavity of the rotary screen machine, and the feeding inlet and the sundry outlet are respectively communicated with the two ends of the cylinder cavity.

Further, the roller screening machine comprises a roller part, wherein a roller cavity and a plurality of screening holes are formed in the roller part; the two ends of the roller part are open, and the two ends of the roller part are respectively provided with a feed inlet and a sundry discharge outlet.

Further, the grouting equipment further comprises a connecting piece, the connecting piece is provided with a chute, a first end of the chute is communicated with the discharge hole, a second end of the chute extends into the roller part from the feed hole, and a body part of the connecting piece corresponding to the second end of the chute is arranged at intervals with the inner wall of the roller part; the chute is disposed obliquely relative to the horizontal with the first end of the chute being above the second end of the chute.

Further, the grouting equipment further comprises a hydraulic driving assembly, and the hydraulic driving assembly is in transmission connection with the roller part so as to drive the roller part to rotate around the central axis of the roller part.

Further, the bottom wall surface of the mixing cavity is obliquely arranged relative to the horizontal plane; the bottom wall surface of the mixing cavity is provided with a first end and a second end which are oppositely arranged along the inclined direction of the bottom wall surface of the mixing cavity; the height of the first end of the bottom wall surface of the mixing cavity is larger than that of the second end of the bottom wall surface of the mixing cavity; the discharge port is arranged at the second end of the bottom wall surface of the mixing cavity; the pulping component comprises a pulping part, and the mixing cavity and the discharge port are both arranged on the pulping part; the discharge port is positioned at the lower part of the pulping part.

Further, the pulping assembly includes: the pulping part, the mixing cavity and the discharge port are both arranged on the pulping part; the liquid supply pipe is arranged on the pulping part in a penetrating way, a plurality of liquid outlets are formed in the peripheral wall surface of the liquid supply pipe, and the liquid outlets are communicated with the pipe cavity of the liquid supply pipe and the mixing cavity so that liquid in the liquid supply pipe flows into the mixing cavity through the liquid outlets.

Further, the grouting device further comprises a spraying piece, and the spraying piece is arranged on one side of the sundry outlet.

By applying the technical scheme of the utility model, the grouting equipment comprises a pulping component, a roller screening machine and a grouting pool, wherein the pulping component is provided with a mixing cavity and a discharge hole communicated with the mixing cavity, and the slurry in the mixing cavity contains sundries such as stones, grass roots and the like; the roller screening machine is provided with a cylinder cavity, a feed inlet, a sundry discharge outlet and a plurality of screening holes; the feeding port, the sundry discharge port and the screening holes of the roller screening machine are communicated with the cylinder cavity; the discharge port is communicated with the feed port of the roller screening machine so that the slurry containing sundries in the mixing cavity enters the cylinder cavity of the roller screening machine; the drum screening machine is used for discharging sundries in the drum cavity through a sundry discharge port of the drum screening machine, and enabling slurry in the drum cavity to flow out through a plurality of screening holes; the roller screening machine is arranged above the grouting pool so that the grouting pool receives the slurry flowing out of the screening holes; the grouting pool is a container for storing slurry, and the slurry in the grouting pool is used for being injected into a space to be grouting.

In the concrete implementation process, the soil entering the mixing cavity is mixed with water to form mud slurry in the mixing cavity; because the soil entering the mixing cavity possibly contains sundries such as stones and grass roots, when the soil entering the mixing cavity contains sundries such as stones and grass roots, the slurry in the mixing cavity necessarily contains sundries such as stones and grass roots, and the slurry entering the cylinder cavity of the roller screening machine from the discharge hole also necessarily contains sundries such as stones and grass roots; under the screening action of the roller screening machine, sundries such as stones, grass roots and the like in slurry in a cylinder cavity of the roller screening machine are discharged from a sundry discharge port, and the slurry in the cylinder cavity flows out of the roller screening machine through screening holes, and the slurry flowing out of the screening holes falls into a grouting pool. The slurry in the grouting pool is used for being injected into the goaf, and as the slurry in the grouting pool of the utility model has removed sundries such as stones, grass roots and the like from the slurry, the slurry in the grouting pool can avoid or reduce the phenomenon of frequent blockage of a grouting water pump or a pipeline, thereby reducing the damage frequency of the grouting water pump. Therefore, the slurry prepared by the grouting equipment solves the problem that the slurry prepared by the grouting equipment for grouting the goaf in the prior art is easy to cause blockage of a grouting water pump or a pipeline.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows a schematic structural view of a grouting apparatus according to the present utility model.

Wherein the above figures include the following reference numerals:

10. a pulping assembly; 11. a pulping part; 111. a mixing chamber; 112. a discharge port; 113. a bottom wall surface; 12. a liquid supply pipe; 121. a liquid outlet; 20. a roller screen grader; 21. a roller section; 30. grouting pool; 40. a grouting pump; 41. a support beam; 50. a connecting piece; 51. a chute; 61. a hydraulic motor; 62. a speed reducer; 63. and a transmission shaft.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The utility model provides grouting equipment, please refer to fig. 1, the grouting equipment comprises a pulping component 10, a drum screening machine 20 and a grouting pool 30, wherein the pulping component 10 is provided with a mixing cavity 111 for containing slurry and a discharge hole 112 communicated with the mixing cavity 111, and the slurry in the mixing cavity 111 contains sundries such as stones, grass roots and the like; the drum screen 20 has a drum cavity, a feed inlet, a debris discharge outlet, and a plurality of screen apertures; the feed inlet, the sundry discharge outlet and the screening holes of the drum screening machine 20 are communicated with the drum cavity; the discharge port 112 is communicated with the feed port of the drum screen 20, so that the slurry containing sundries in the mixing cavity 111 enters the drum cavity of the drum screen 20; the drum screening machine 20 is used for discharging sundries in the drum cavity through a sundry discharge port of the drum cavity and enabling slurry in the drum cavity to flow out through a plurality of screening holes; the drum screen 20 is disposed above the grouting pond 30 so that the grouting pond 30 receives slurry flowing out of the screen holes; the grouting pool 30 is a container for storing slurry, and the slurry in the grouting pool 30 is used for being injected into a space to be grouting.

In the concrete implementation process, the soil entering the mixing cavity 111 is mixed with water to form slurry in the mixing cavity 111; because the soil entering the mixing cavity 111 may contain sundries such as stones and grass roots, when the soil entering the mixing cavity 111 contains sundries such as stones and grass roots, the slurry in the mixing cavity 111 necessarily contains sundries such as stones and grass roots, and the slurry entering the barrel cavity of the barrel screen 20 from the discharge port 112 also necessarily contains sundries such as stones and grass roots; under the screening action of the drum screen 20, sundries such as stones, grass roots and the like in the slurry in the drum cavity of the drum screen 20 are discharged from the sundry discharge port, the slurry in the drum cavity flows out of the drum screen 20 through the screening holes, and the slurry flowing out of the screening holes falls into the grouting pool 30. The slurry in the grouting pool 30 is used for being injected into a goaf, and as the slurry in the grouting pool 30 of the utility model has removed stones, grass roots and other impurities from the slurry, the slurry in the grouting pool 30 can avoid or reduce the phenomenon of frequent blockage of a grouting pump or a pipeline, thereby reducing the damage frequency of the grouting pump. Therefore, the slurry prepared by the grouting equipment solves the problem that the slurry prepared by the grouting equipment for grouting the goaf in the prior art is easy to cause blockage of a grouting water pump or a pipeline.

Compared with the method for manually cleaning sundries such as stones and grass roots in soil or slurry by using a spade in the prior art, the grouting equipment can automatically remove the sundries such as stones and grass roots from the slurry by using the drum screening machine 20, thereby improving the working efficiency, reducing the labor intensity of workers and the number of operators, and ensuring the quality of the slurry.

Optionally, the space to be grouting is a goaf, so as to inject the slurry into the goaf for fire extinguishment.

Specifically, the foreign matters such as stones and grass roots discharged from the foreign matter discharge port drop to the outside of the drum screen 20.

In the present embodiment, the grouting apparatus further includes a grouting pump 40 and a grouting pipe, at least part of the grouting pump 40 is disposed in the grouting bath 30 so that an inlet of the grouting pump 40 is located in the slurry in the grouting bath 30; the two pipe orifices of the grouting pipeline are a first pipe orifice and a second pipe orifice respectively; the first pipe orifice of the grouting pipeline is connected and communicated with the outlet of the grouting pump 40, and the second pipe orifice of the grouting pipeline is used for being communicated with the space to be grouting.

In the concrete implementation process, under the action of the grouting pump 40, the slurry in the grouting pool 30 enters the grouting pump 40 through the inlet of the grouting pump 40, the slurry entering the grouting pump 40 enters the grouting pipeline through the outlet of the grouting pump 40, and the slurry in the grouting pipeline enters the space to be grouting again, so that the slurry is injected into the space to be grouting.

Specifically, the grouting device further comprises a fixedly arranged supporting beam 41, and the grouting pump 40 is hung on the supporting beam 41.

Specifically, grouting holes are arranged on the surface of the goaf in advance, and the grouting holes are communicated with the goaf; the second pipe orifice of the grouting pipeline is communicated with the grouting hole.

In this embodiment, the axial direction of the cylinder chamber of the drum screen 20 is disposed at an angle to the vertical direction; the screening holes are all communicated with the circumference of the cylinder cavity of the rotary screen machine 20, and the feed inlet and the sundry discharge outlet of the rotary screen machine 20 are respectively communicated with the two ends of the cylinder cavity.

Optionally, the axial direction of the barrel cavity of the drum screen 20 is disposed at an acute angle to the horizontal. Further, along the axial direction of the barrel cavity of the drum screening machine 20, two ends of the barrel cavity are a first end and a second end respectively; the first end of the barrel cavity is greater in height than the second end of the barrel cavity; the feed inlet of the drum sifter 20 is communicated with the second end of the drum cavity, and the sundry discharge outlet of the drum sifter 20 is communicated with the first end of the drum cavity.

In this embodiment, the drum screen 20 includes a drum portion 21, and a drum cavity and a plurality of screening holes are provided on the drum portion 21; both ends of the drum part 21 are opened, and both ends of the drum part 21 are respectively provided with a feed inlet and a sundry discharge outlet.

The drum portion 21 necessarily has a drum cavity, and the drum cavity of the drum portion 21 is the drum cavity of the drum classifier 20.

Specifically, the axial direction of the drum portion 21 is disposed at an angle to the vertical direction, so that the axial direction of the drum cavity is disposed at an angle to the vertical direction.

Specifically, a plurality of screening holes are provided on the outer peripheral wall surface of the drum portion 21 so that the plurality of screening holes communicate with the circumferential direction of the drum chamber.

Specifically, a plurality of screening holes are spaced apart on the drum portion 21. For example, the drum portion 21 has a mesh structure, and a plurality of screening holes are formed in one-to-one correspondence with a plurality of mesh holes of the drum portion 21.

Alternatively, the axial direction of the drum portion 21 is disposed at an acute angle to the horizontal direction, so that the axial direction of the drum chamber is disposed at an acute angle to the horizontal direction. Further, along the axial direction of the drum part 21, two ends of the drum part 21 are a first end and a second end, respectively; the first end to second end of the drum part 21 is oriented in the same direction as the first end to second end of the drum cavity; the height of the first end of the drum part 21 is greater than the height of the second end of the drum part 21, so that the height of the first end of the drum cavity is greater than the height of the second end of the drum cavity; the second port of the drum part 21 is a feed port, and the first port of the drum part 21 is a foreign matter discharge port.

Alternatively, the rotational speed of the drum portion 21 is 24 rpm.

Specifically, a spiral track is provided on the inner wall of the drum part 21, the spiral track being spirally provided along the axial direction of the drum part 21; as the drum part 21 rotates, debris such as stones, grass roots, etc. moves along a spiral track to be discharged from the drum part 21 through the debris discharge port.

In this embodiment, the grouting apparatus further comprises a connector 50, the connector 50 having a chute 51; along the extending direction of the chute 51, two ends of the chute 51 are a first end and a second end respectively; the first end of the chute 51 communicates with the discharge port 112 so that slurry in the mixing chamber 111 enters the chute 51 through the discharge port 112; a second end of the chute 51 extends from the feed port into the drum portion 21; the chute 51 is disposed obliquely with respect to the horizontal direction, and the first end of the chute 51 is located above the second end thereof, i.e., the first end of the chute 51 has a height greater than the height of the second end of the chute 51, so that slurry entering the chute 51 flows from the first end thereof to the second end thereof and into the cylinder chamber of the cylinder portion 21. Since the drum portion 21 is rotatably disposed about the central axis thereof, the connection member 50 is fixedly disposed, so that the body portion of the connection member 50 corresponding to the second end of the chute 51 is disposed at a distance from the inner wall of the drum portion 21 to avoid interference of the rotation of the drum portion 21 by the connection member 50.

Specifically, the connector 50 is coupled to the pulping assembly 10 such that the connector 50 is secured to the pulping assembly 10.

Optionally, a first end of chute 51 is in abutting communication with spout 112.

Specifically, the connecting member 50 has a strip-shaped structure, and the extending direction of the connecting member 50 is the same as the extending direction of the chute 51; the chute 51 penetrates the connection member 50 in the extending direction of the connection member 50. The connecting piece 50 is provided with a first end and a second end which are oppositely arranged along the extending direction of the connecting piece 50; the first end to second end orientation of the connector 50 is the same as the first end to second end orientation of the chute 51. The first end of the connecting member 50 is connected to the pulping assembly 10, and the second end of the connecting member 50 extends into the drum portion 21 from the feeding port, and the second end of the connecting member 50 is spaced from the inner wall of the drum portion 21.

In the present embodiment, the pulping assembly 10 includes a pulping section 11 and a liquid supply pipe 12, and a mixing chamber 111 and a discharge port 112 are both provided on the pulping section 11; the liquid supply pipe 12 is arranged on the pulping part 11 in a penetrating way, and a plurality of liquid outlets 121 are arranged on the peripheral wall surface of the liquid supply pipe 12; the liquid outlets 121 are all communicated with the pipe cavity of the liquid supply pipe 12, and the liquid outlets 121 are all communicated with the mixing cavity 111, so that liquid in the liquid supply pipe 12 flows into the mixing cavity 111 through the liquid outlets 121, and the liquid flowing into the mixing cavity 111 is mixed with soil entering the mixing cavity 111 to form slurry in the mixing cavity 111.

Specifically, the plurality of liquid outlets 121 are arranged at intervals along the extending direction of the liquid supply pipe 12.

Specifically, the extending direction of the liquid supply pipe 12 is arranged at an included angle with the vertical direction; preferably, the direction of extension of the liquid supply tube 12 is disposed at an acute angle to the horizontal.

Specifically, the extending direction of the liquid supply tube 12 is parallel to the bottom wall surface of the mixing chamber 111.

Specifically, the liquid outlet 121 is disposed downward or obliquely downward.

Specifically, the liquid supply pipes 12 are plural. Alternatively, the extending directions of the plurality of liquid supply pipes 12 are all parallel.

Alternatively, the liquid in the liquid supply pipe 12 is water.

Specifically, the connection member 50 is connected to the pulping section 11 such that the connection member 50 is fixed to the pulping section 11. Further, a first end of the connection member 50 is connected to the pulping section 11.

In the present embodiment, the drum portion 21 is rotatably provided around the central axis thereof.

Specifically, the grouting apparatus further comprises a driving assembly in driving connection with the drum part 21 to drive the drum part 21 to rotate about its central axis.

In this embodiment, the drive assembly is a hydraulic drive assembly.

Specifically, the hydraulic driving assembly includes a hydraulic motor 61, a decelerator 62 and a transmission shaft 63, an output portion of the hydraulic motor 61 is connected to an input end of the decelerator 62, an output end of the decelerator 62 is connected to one end of the transmission shaft 63, and the other end of the transmission shaft 63 is connected to the drum portion 21, so that the hydraulic motor 61 transmits power to the drum portion 21 through the decelerator 62 and the transmission shaft 63 to drive the drum portion 21 to rotate about a central axis thereof; the central axis of the drum portion 21 coincides with the central axis of the drive shaft 63.

Specifically, the hydraulic motor 61 is used to convert the pressure energy of the liquid into the required mechanical energy.

Specifically, the speed reducer 62 is a cycloidal speed reducer, and the cycloidal speed reducer has the characteristics of small volume, light weight, convenient disassembly and assembly, long service life, low noise and the like.

Specifically, the hydraulic drive assembly further comprises a hydraulic pump station for providing hydraulic oil to the hydraulic motor 61.

Specifically, the hydraulic drive assembly further includes a control valve set for controlling the flow rate and pressure of the liquid into the hydraulic motor 61, etc.

In the present embodiment, the discharge port 112 is provided laterally of the pulping section 11; in the vertical direction, the discharge port 112 is located at the lower portion of the pulping section 11.

Alternatively, the bottom end of the discharge port 112 extends to the bottom wall surface of the mixing chamber 111 in the vertical direction so that the slurry in the mixing chamber 111 flows out from the discharge port 112.

Specifically, the bottom wall surface of the mixing chamber 111 is disposed obliquely with respect to the horizontal plane, i.e., the bottom wall surface of the mixing chamber 111 is disposed at an acute angle to the horizontal plane; along the inclined direction of the bottom wall surface of the mixing cavity 111, the bottom wall surface of the mixing cavity 111 is provided with two opposite ends, and the two ends of the bottom wall surface of the mixing cavity 111 are a first end and a second end respectively; the height of the first end of the bottom wall surface of the mixing chamber 111 is greater than the height of the second end thereof, i.e. the first end of the bottom wall surface of the mixing chamber 111 is above the second end thereof; the discharge port 112 is provided at the second end of the bottom wall surface of the mixing chamber 111 so that the slurry in the mixing chamber 111 flows from the first end to the second end of the bottom wall surface thereof and then flows out from the discharge port 112.

As shown in fig. 1, the bottom wall surface 113 in fig. 1 is a bottom wall surface of the mixing chamber 111, the left end of the bottom wall surface 113 is a second end of the bottom wall surface of the mixing chamber 111, and the right end of the bottom wall surface 113 is a first end of the bottom wall surface of the mixing chamber 111.

Specifically, the pulping part 11 is further provided with a feed inlet communicated with the mixing cavity 111, so that soil enters the mixing cavity 111 through the feed inlet. Optionally, the feed inlet is disposed at a first end of the bottom wall surface of the mixing chamber 111, so that the liquid outlet 121 of the liquid supply pipe 12 sprays liquid into the soil in the mixing chamber 111 to form slurry during the process that the soil moves from the first end to the second end of the bottom wall surface of the mixing chamber 111.

In this embodiment, the grouting apparatus further includes a spraying member provided at one side of the foreign material discharge port so that when dust near the foreign material discharge port is serious, the dust can be reduced by spraying the dust near the foreign material discharge port through the spraying member.

The grouting equipment has the following advantages: 1. the equipment adopts a full hydraulic control system, the system is simple, the failure rate is low, stepless speed regulation can be carried out according to actual conditions, and grouting requirements are met. 2. The pulping assembly 10, the grouting pool 30 and the drum screening machine 20 are integrated into a whole, so that the grouting assembly is convenient to carry, and quick installation and movement of grouting operation are realized. 3. The separating function of sundries and slurry is realized, the screening efficiency is high, the screening quality is good, and the complete automatic completion is realized. 4. The labor intensity of workers is reduced, and the conversion from complete manual operation to mechanization and automation is realized. 5. In a certain time range, the grouting equipment can improve grouting quantity; for example, when phenomena such as high temperature and gas abnormality occur in the goaf, large-range rapid grouting coverage needs to be carried out on residual coal in the goaf in an emergency manner, and the grouting equipment can achieve the purpose of large-range rapid grouting. 6. The grouting pump 40 has low lift and high torque, and is not easy to be blocked under normal conditions; in practical application, grouting is carried out on a coal seam (generally a shallow coal seam), and high lift is not needed; 7. the device is light, small and convenient to move, and the electricity consumption is not large, so that electricity can be directly taken from the underground.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:

in the grouting equipment provided by the utility model, the grouting equipment comprises a pulping assembly 10, a drum screening machine 20 and a grouting pool 30, wherein the pulping assembly 10 is provided with a mixing cavity 111 and a discharge hole 112 communicated with the mixing cavity 111, and the slurry in the mixing cavity 111 contains sundries such as stones, grass roots and the like; the drum screen 20 has a drum cavity, a feed inlet, a debris discharge outlet, and a plurality of screen apertures; the feed inlet, the sundry discharge outlet and the screening holes of the drum screening machine 20 are communicated with the drum cavity; the discharge port 112 is communicated with the feed port of the drum screen 20, so that the slurry containing sundries in the mixing cavity 111 enters the drum cavity of the drum screen 20; the drum screening machine 20 is used for discharging sundries in the drum cavity through a sundry discharge port of the drum cavity and enabling slurry in the drum cavity to flow out through a plurality of screening holes; the drum screen 20 is disposed above the grouting pond 30 so that the grouting pond 30 receives slurry flowing out of the screen holes; the grouting pool 30 is a container for storing slurry, and the slurry in the grouting pool 30 is used for being injected into a space to be grouting.

In the concrete implementation process, the soil entering the mixing cavity 111 is mixed with water to form slurry in the mixing cavity 111; because the soil entering the mixing cavity 111 may contain sundries such as stones and grass roots, when the soil entering the mixing cavity 111 contains sundries such as stones and grass roots, the slurry in the mixing cavity 111 necessarily contains sundries such as stones and grass roots, and the slurry entering the barrel cavity of the barrel screen 20 from the discharge port 112 also necessarily contains sundries such as stones and grass roots; under the screening action of the drum screen 20, sundries such as stones, grass roots and the like in the slurry in the drum cavity of the drum screen 20 are discharged from the sundry discharge port, the slurry in the drum cavity flows out of the drum screen 20 through the screening holes, and the slurry flowing out of the screening holes falls into the grouting pool 30. The slurry in the grouting pool 30 is used for being injected into a goaf, and as the slurry in the grouting pool 30 of the utility model has removed stones, grass roots and other impurities from the slurry, the slurry in the grouting pool 30 can avoid or reduce the phenomenon of frequent blockage of a grouting pump or a pipeline, thereby reducing the damage frequency of the grouting pump. Therefore, the slurry prepared by the grouting equipment solves the problem that the slurry prepared by the grouting equipment for grouting the goaf in the prior art is easy to cause blockage of a grouting water pump or a pipeline.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be capable of being practiced otherwise than as specifically illustrated and described. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A grouting apparatus, comprising:

a pulping assembly (10), the pulping assembly (10) having a mixing chamber (111) and a discharge port (112) in communication with the mixing chamber (111); wherein the slurry in the mixing cavity (111) contains sundries;

a drum screen (20), the drum screen (20) having a drum cavity, a feed inlet, a debris discharge outlet, and a plurality of screen holes, the feed inlet, debris discharge outlet, and plurality of screen holes all in communication with the drum cavity; the discharge hole (112) is communicated with the feed hole of the drum screening machine (20) so that the slurry containing sundries in the mixing cavity (111) enters the drum cavity of the drum screening machine (20); the drum screening machine (20) is used for discharging sundries in the drum cavity through the sundry discharge port and enabling slurry in the drum cavity to flow out through the screening holes;

a grouting pool (30), wherein the drum screen (20) is arranged above the grouting pool (30) so that the grouting pool (30) receives slurry flowing out of the screening holes; the slurry in the grouting pool (30) is used for being injected into a space to be grouting.

2. The grouting apparatus of claim 1, further comprising:

-a grouting pump (40), at least part of the grouting pump (40) being arranged within the grouting tank (30) such that an inlet of the grouting pump (40) is located in the slurry within the grouting tank (30);

and the first pipe orifice of the grouting pipeline is connected and communicated with the outlet of the grouting pump (40), and the second pipe orifice of the grouting pipeline is used for being communicated with the space to be grouting.

3. Grouting apparatus according to claim 2, further comprising a fixedly arranged support beam (41), the grouting pump (40) being suspended from the support beam (41).

4. The grouting apparatus of claim 1, wherein the grouting apparatus comprises,

the axial direction of the cylinder cavity of the cylinder screening machine (20) forms an included angle with the vertical direction; and/or

The screening holes are all communicated with the circumference of the cylinder cavity of the drum screening machine (20), and the feeding inlet and the sundry discharge outlet are respectively communicated with the two ends of the cylinder cavity.

5. Grouting apparatus according to claim 1, characterized in that the drum screen (20) comprises a drum portion (21), the drum portion (21) being provided with the drum cavity and the plurality of screening holes; the two ends of the roller part (21) are open, and the two ends of the roller part (21) are respectively provided with the feeding port and the sundry discharge port.

6. Grouting apparatus according to claim 5, further comprising a connector (50), the connector (50) having a chute (51), a first end of the chute (51) being in communication with the discharge port (112), a second end of the chute (51) extending from the feed port into the drum portion (21), a body portion of the connector (50) corresponding to the second end of the chute (51) being spaced from an inner wall of the drum portion (21); the chute (51) is arranged obliquely relative to the horizontal direction, and a first end of the chute (51) is positioned above a second end of the chute.

7. Grouting apparatus as claimed in claim 5, characterized in that it further comprises a hydraulic drive assembly in driving connection with the drum part (21) for driving the drum part (21) in rotation about its central axis.

8. Grouting device according to claim 1, characterized in that the bottom wall surface of the mixing chamber (111) is arranged inclined with respect to the horizontal plane; the bottom wall surface of the mixing cavity (111) is provided with a first end and a second end which are oppositely arranged along the inclination direction of the bottom wall surface of the mixing cavity (111); the height of the first end of the bottom wall surface of the mixing cavity (111) is larger than the height of the second end of the bottom wall surface; the discharge port (112) is arranged at the second end of the bottom wall surface of the mixing cavity (111);

the pulping assembly (10) comprises a pulping part (11), and the mixing cavity (111) and the discharge hole (112) are arranged on the pulping part (11); the discharge port (112) is positioned at the lower part of the pulping part (11).

9. Grouting apparatus according to claim 1, characterized in that the pulping assembly (10) comprises:

the mixing cavity (111) and the discharge port (112) are arranged on the pulping part (11);

the liquid supply pipe (12), liquid supply pipe (12) wears to establish on slurrying portion (11), be provided with a plurality of liquid outlets (121) on the periphery wall of liquid supply pipe (12), a plurality of liquid outlets (121) all with the lumen intercommunication of liquid supply pipe (12) and with mixing chamber (111) intercommunication, so that liquid in liquid supply pipe (12) passes through liquid outlet (121) inflow in mixing chamber (111).

10. The grouting apparatus of claim 1, further comprising a spray member disposed on one side of the debris outlet.