CN221195110U - Grouting device for coal mine fire prevention and extinguishment - Google Patents

Abstract

The utility model discloses a grouting device for preventing and extinguishing fire in a coal mine, which comprises a base, a round box body and a grouting pump, wherein the round box body and the grouting pump are fixed at the top of the base; the utility model discloses a fire prevention slip casting subassembly of switching formula colliery is switched in the discharge gate intercommunication of slip casting pump is fixed with directly spouts, the top fixedly connected with bottom of circle box is the fixed box that the opening set up. According to the utility model, a series of structures are arranged, so that two modes of direct injection grouting and accurate grouting fire prevention and extinguishment for connecting an external coal mine embedded conveying pipeline can be provided, the flexible switching and selection of the fire prevention and extinguishment slurry can be conveniently realized according to the on-site conditions, the use flexibility is improved, the uniform stirring and precipitation prevention of the fire prevention and extinguishment slurry are conveniently realized, the inside of a round box body is conveniently and automatically scraped and cleaned after the fire prevention and extinguishment slurry is used, the phenomenon that the next use is influenced due to the fact that a large amount of residual slurry is adhered and solidified inside can be avoided, and the use cleanliness is improved.

Description

Grouting device for coal mine fire prevention and extinguishment

Technical Field

The utility model relates to the technical field of grouting equipment, in particular to a grouting device for preventing and extinguishing fire in a coal mine.

Background

The utility model provides a fire prevention and extinguishing grouting device for coal mine, which is used under the condition that coal mine underground working face and goaf have spontaneous combustion danger of coal, namely a grouting device with fire prevention and extinguishing function for injecting slurry substances such as slurry, powdered coal mortar, lime slurry, chemical gel and the like or viscous liquid with higher viscosity by taking water as a conveying medium, wherein the fire prevention and extinguishing grouting for coal mine has two modes, namely, grouting distribution conveying pipelines are buried in advance in coal mine, grouting equipment is connected with inlets of the pipelines to be infused into the goaf of the coal face to realize accurate grouting fire prevention and extinguishing, and the grouting device is used for directly injecting grouting, and different grouting modes are selected according to site requirements;

For a grouting device for coal mine fire prevention and extinguishment, the disclosed publication No. CN215520953U is searched, and comprises a base, wherein the middle part of the upper end of the base is fixedly connected with a bottom plate, the left part of the upper end of the bottom plate is fixedly connected with a sliding plate, the upper end of the sliding plate is fixedly connected with an adjusting device, sliding grooves are formed between the front plate wall and the rear plate wall of the sliding plate, the left part of the upper end of the adjusting device is fixedly connected with a fire prevention and extinguishment device, the right part of the upper end of the base is fixedly connected with a handle, the middle part of the upper end of a heating box is fixedly connected with a stirring device, the front end of the heating box is fixedly connected with a control plate, and the front part of the left end of the heating box is fixedly connected with a snake-shaped hose; according to the device, the stirring device and the adjusting device are arranged on the whole device, the device is adjusted according to the height of a fire point, the stirring is uniform, slurry precipitation in a heating box is avoided, and the timeliness and safety of fire prevention and extinguishment are improved.

The grouting device for preventing and extinguishing fire in coal mines, disclosed by the technology, is used for stirring and preventing precipitation of slurry through a stirring device, realizes the height of preventing and extinguishing fire grouting of an adjusting nozzle through a serpentine hose matched adjusting device, but still has the following defects:

1. The spray head can only perform single direct-injection grouting fire prevention and extinguishment work, and can not be flexibly switched to use according to the field use requirement after the pre-buried grouting distribution pipeline of the coal mine is pre-buried, so that the spray head is single in use and unsatisfactory in flexibility; 2. the structure for integrally and quickly cleaning the inside of the box body after the use is lacking, a large amount of slurry remains attached and solidified on the inner wall of the box body to influence the next use, and the use cleanliness is not ideal; in view of the above, we propose a grouting device for coal mine fire prevention and extinguishment, which is used for solving the above problems.

Disclosure of utility model

The utility model aims to provide a grouting device for preventing and extinguishing fire in a coal mine, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the grouting device for preventing and extinguishing fire of the coal mine comprises a base, a round box body and a grouting pump, wherein the round box body and the grouting pump are fixed at the top of the base, the bottom of the round box body is arranged into a conical structure and is communicated and fixed with a feed inlet of the grouting pump, a feeding pipe is fixedly communicated with the left side of the top of the round box body, and the grouting pump is used for pumping fire preventing and extinguishing slurry added into the round box body to perform grouting fire preventing and extinguishing work of the coal mine;

The discharge port of the grouting pump is fixedly communicated with a direct-injection switching type coal mine fire prevention and extinguishing grouting component, and the direct-injection switching type coal mine fire prevention and extinguishing grouting component is used for directly spraying fire prevention and extinguishing according to the fire prevention and extinguishing requirements of on-site requirements or is connected with a coal mine embedded conveying pipeline to conduct accurate fire prevention and extinguishing;

The top of the round box body is fixedly connected with a fixed box with an opening at the bottom, a rotary pipe with the bottom end and the top end being in a plugging structure is installed on the inner wall of the top of the round box body in a sealing and rotating mode, two stirring rods are fixedly connected to the two sides of the rotary pipe, a driving motor is fixedly installed at the top of the fixed box, an output shaft of the driving motor extends into the fixed box and is fixedly connected with the top end of the rotary pipe, water inlet holes in the fixed box are formed in the four inner walls of the rotary pipe, a water supply assembly communicated with the right side of the fixed box is fixedly installed on the right side of the top of the round box body, the rotary pipe and the stirring rods are driven by the driving motor to rotate so as to prevent and prevent mixing of fire extinguishing slurry, and the water supply assembly is used for supplying water into the rotary pipe through the water inlet holes after use;

The right side of the rotary pipe is fixedly connected with a scraping and flushing cleaning assembly which is movably contacted with the right side inner wall and the bottom inner wall of the round box body, and the scraping and flushing cleaning assembly is used for scraping and cleaning the inner wall of the round box body in a rotary manner and spraying water in the round box body to carry out integral rotary flushing when the rotary pipe rotates.

Preferably, the direct-injection switching type coal mine fire prevention and extinguishing grouting assembly comprises a three-way pipe which is fixedly communicated with a grouting pump outlet, wherein a valve is fixedly communicated with the top end and the left end of the three-way pipe, a coal mine fire prevention and extinguishing embedded pipeline connecting pipe is fixedly communicated with the left end of the valve positioned at the left side, a hose is fixedly communicated with the top end of the valve positioned above, a grouting spray head which is obliquely arranged leftwards and downwards is fixedly communicated with the top end of the hose, an electric push rod positioned behind the three-way pipe is fixedly installed on the left side of the top of the base, and the extending end of the electric push rod is fixedly connected with the bottom of the right side of the grouting spray head; when the three-way pipe, the valve, the hose, the grouting spray head and the electric push rod are arranged to be matched, and when direct injection grouting is needed to prevent and extinguish fire, the valve above the valve is opened, the grouting pump sequentially passes through the three-way pipe, the valve above the valve and the hose to be injected into the grouting spray head to perform direct injection grouting fire prevention and extinguishment work, the electric push rod is utilized to adjust the grouting height of the grouting spray head, the coal mine embedded conveying pipeline is needed to be connected to perform accurate fire prevention and extinguishment, the left valve is opened, the coal mine embedded conveying pipeline connecting pipe is connected with the external coal mine embedded conveying pipeline, the coal mine embedded conveying pipeline is utilized to perform accurate conveying fire prevention and extinguishment work, and the two modes are utilized to achieve the effect of conveniently and flexibly switching selection and use according to site conditions.

Preferably, the water supply assembly comprises a water pump fixedly arranged on the right side of the top of the round box body, a water outlet of the water pump is communicated and fixed with the inner wall of the right side of the fixed box, a water tank is fixedly arranged on the right side of the top of the base, an L-shaped pipe is fixedly communicated with a water inlet of the water pump, and the bottom end of the L-shaped pipe extends into the water tank; the water pump, the water tank and the L-shaped pipe are matched, the water pump is started to pump water in the water tank and pump the water into the fixed box, and the water is supplied into the rotating pipe through the four water inlets.

Preferably, the scraping and flushing cleaning assembly comprises two transverse pipes which are communicated and fixed on the inner wall of the right side of the rotary pipe, the right ends of the two transverse pipes are fixedly connected with the same L-shaped scraping rod, the right side and the bottom of the L-shaped scraping rod are respectively in movable contact with the inner wall of the right side and the inner wall of the bottom of the round box body, the front side of the transverse pipe is communicated and fixed with a one-way valve with the front side being an outlet, the water outlet of the one-way valve is communicated and fixed with a spray pipe which is obliquely arranged to the right, and the two stirring rods on the right side are respectively fixedly sleeved on the corresponding transverse pipes; the horizontal pipe, the L-shaped scraping rod, the check valve and the water spraying pipe are matched, the L-shaped scraping rod is driven to rotate through the horizontal pipe when the rotary pipe rotates, the inner wall of the round box body is rotationally scraped to be cleaned, and water in the rotary pipe is sprayed out to the inner wall of the round box body through the horizontal pipe, the check valve and the water spraying pipe in sequence to flush, so that the effect of integral scraping cleaning is achieved.

Preferably, four corners of the bottom of the base are all rotationally connected with universal wheels with locks, and four supporting legs are fixedly connected between the top of the base and the bottom of the round box body in a rectangular shape.

Preferably, the top of base fixed mounting has the battery, slip casting pump, electric putter, driving motor and water pump all with battery electric connection.

Preferably, the right side fixedly connected with shallow handle of water tank, the top right side intercommunication of water tank is fixed with the water pipe.

Preferably, a rotating hole is formed in the inner wall of the top of the round box body, two first sealing bearings are fixedly sleeved in the rotating hole, and an inner ring of each first sealing bearing is fixedly sleeved with the outer side of the rotating pipe.

Preferably, a circular hole is formed in the inner wall of the top of the fixed box, a second sealing bearing is fixedly sleeved in the circular hole, and the inner ring of the second sealing bearing is fixedly sleeved with the outer side of the output shaft of the driving motor.

Preferably, the right end of the stirring rod on the right side is provided with a sleeved hole fixedly connected with the outer side of the corresponding transverse tube.

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

1. According to the grouting device for coal mine fire prevention and extinguishment, the circular box body, the grouting pump and the direct injection switching type coal mine fire prevention and extinguishment grouting assembly are matched, so that two modes of direct injection grouting and accurate grouting fire prevention and extinguishment for connecting an external coal mine pre-buried conveying pipeline can be provided, the selection and use can be flexibly switched according to the on-site situation, and the use flexibility is improved;

2. The grouting device for preventing and extinguishing fire in the coal mine can stir the fire-preventing and extinguishing slurry to prevent precipitation through the driving motor, the rotary pipe, the stirring rod and the scraping cleaning component, and can scrape the adhered material on the inner wall of the circular box body during stirring, so that the phenomenon of uneven mixing caused by static adhesion of the material is prevented, and the mixing uniformity is improved;

3. This a slip casting device for colliery is prevented putting out a fire, through the commentaries on classics pipe, inlet opening, water supply assembly that set up and scrape towards the clearance subassembly cooperation, can be after using integrative automatic scrape towards the clearance to the inside circle box, avoid a large amount of remaining of thick liquids to be stained with and solidify and lead to influencing the phenomenon of using next time inside, improve the use cleanliness.

According to the utility model, a series of structures are arranged, so that two modes of direct injection grouting and accurate grouting fire prevention and extinguishment for connecting an external coal mine embedded conveying pipeline can be provided, the flexible switching and selection of the fire prevention and extinguishment slurry can be conveniently realized according to the on-site conditions, the use flexibility is improved, the uniform stirring and precipitation prevention of the fire prevention and extinguishment slurry are conveniently realized, the inside of a round box body is conveniently and automatically scraped and cleaned after the fire prevention and extinguishment slurry is used, the phenomenon that the next use is influenced due to the fact that a large amount of residual slurry is adhered and solidified inside can be avoided, and the use cleanliness is improved.

Drawings

FIG. 1 is a schematic overall perspective view of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

fig. 3 is an enlarged schematic view of the portion a in fig. 2 according to the present utility model.

In the figure: 1. a base; 101. a round box body; 102. a grouting pump; 2. a three-way pipe; 3. a valve; 4. pre-buried pipeline connecting pipe for preventing and extinguishing fire in coal mine; 5. a hose; 6. grouting spray heads; 7. an electric push rod; 8. a fixed box; 9. a rotary pipe; 10. a stirring rod; 11. a driving motor; 12. a water inlet hole; 13. a water pump; 14. a water tank; 15. a transverse tube; 16. an L-shaped scraping rod; 17. a one-way valve; 18. and a water spraying pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the grouting device for preventing and extinguishing fire in a coal mine provided by the embodiment comprises a base 1, a round box body 101 and a grouting pump 102, wherein the round box body 101 and the grouting pump 102 are fixed at the top of the base 1, four corners of the bottom of the base 1 are respectively and rotatably connected with a universal wheel with a lock, four supporting legs are fixedly connected between the top of the base 1 and the bottom of the round box body 101 in a rectangular shape, the bottom of the round box body 101 is arranged into a conical structure and fixedly communicated with a feed inlet of the grouting pump 102, a feeding pipe is fixedly communicated with the left side of the top of the round box body 101, and fire preventing and extinguishing fire is prevented and extinguishing by using fire preventing and extinguishing slurry added in the round box body 101 to be pumped by the grouting pump 102; the discharge port of the grouting pump 102 is fixedly communicated with a direct-injection switching type coal mine fire prevention and extinguishing grouting component, and the direct-injection switching type coal mine fire prevention and extinguishing grouting component is used for directly spraying fire prevention and extinguishing according to the fire prevention and extinguishing requirements of site requirements or is connected with a coal mine embedded conveying pipeline to conduct accurate fire prevention and extinguishing;

The top of the round box body 101 is fixedly connected with a fixed box 8 with an opening at the bottom, a rotary pipe 9 with a bottom end and a top end of a plugging structure is installed on the inner wall of the top of the round box body 101 in a sealing and rotating manner, a rotary hole is formed in the inner wall of the top of the round box body 101, two first sealing bearings are fixedly sleeved on the inner ring of each first sealing bearing and the outer side of the rotary pipe 9, the rotary pipe 9 is installed on the inner wall of the top of the round box body 101 in a sealing and rotating manner through the two first sealing bearings, the effect of sealing and rotating the rotary pipe 9 is achieved, two stirring rods 10 are fixedly connected to two sides of the rotary pipe 9, a driving motor 11 is fixedly installed on the top of the fixed box 8, an output shaft of the driving motor 11 extends into the fixed box 8 and is fixedly connected with the top end of the rotary pipe 9, a round hole is formed in the inner wall of the top of the fixed box 8, a second sealing bearing is fixedly sleeved on the inner ring of the round hole, the inner ring of each second sealing bearing is fixedly sleeved on the outer side of the output shaft of the driving motor 11, the output shaft of the driving motor 11 penetrates through the two first sealing bearings and is rotatably installed on the inner wall of the rotary pipe 9, the four inner walls of the stirring rods 9 are fixedly connected with the rotary pipe 9, and the water inlet-preventing assembly is fixedly connected with the water supply assembly 12 is fixedly connected with the rotary pipe 9, and the water supply assembly is fixedly connected with the rotary pipe 9 through the rotary pipe 9; the scraping and flushing cleaning assembly in movable contact with the right inner wall and the bottom inner wall of the round box body 101 is fixedly communicated with the right side of the rotary pipe 9, and the scraping and flushing cleaning assembly is used for scraping and cleaning the inner wall of the round box body 101 in a rotary mode and spraying water in the round box body 101 to perform integral rotary flushing when the rotary pipe 9 rotates.

Specifically, the direct-injection switching type coal mine fire prevention and extinguishing grouting assembly comprises a three-way pipe 2 communicated and fixed at a discharge port of a grouting pump 102, a valve 3 is fixedly communicated with the top end and the left end of the three-way pipe 2, a coal mine fire prevention and extinguishing pre-buried pipeline connecting pipe 4 is fixedly communicated with the left end of the valve 3 positioned at the left side, a hose 5 is fixedly communicated with the top end of the valve 3 positioned above, a grouting spray head 6 obliquely arranged at the left lower side is fixedly communicated with the top end of the hose 5, an electric push rod 7 positioned behind the three-way pipe 2 is fixedly installed at the left side of the top of a base 1, and the extending end of the electric push rod 7 is fixedly connected with the right bottom of the grouting spray head 6; when the three-way pipe 2, the valve 3, the hose 5, the grouting spray head 6 and the electric push rod 7 are matched, and direct injection grouting fire prevention and extinguishing is needed, the valve 3 above is opened, grouting pump 102 sequentially passes through the three-way pipe 2, the valve 3 above and the hose 5 to be injected into the grouting spray head 6 for direct injection grouting fire prevention and extinguishing, the grouting height of the grouting spray head 6 is adjusted by the electric push rod 7, the coal mine pre-buried conveying pipeline is needed to be connected for precise fire prevention and extinguishing, then the left valve 3 is opened, the coal mine fire prevention and extinguishing pre-buried pipeline connecting pipe 4 is connected with an external coal mine pre-buried conveying pipeline, the coal mine pre-buried conveying pipeline is utilized for precise conveying fire prevention and extinguishing, and the effect of selecting and using can be conveniently switched according to the scene situation by utilizing two modes.

Further, the water supply assembly comprises a water pump 13 fixedly arranged on the right side of the top of the round box body 101, a water outlet of the water pump 13 is communicated and fixed with the right inner wall of the fixed box 8, a water tank 14 is fixedly arranged on the right side of the top of the base 1, a trolley handle is fixedly connected to the right side of the water tank 14, a water adding pipe is fixedly communicated on the right side of the top of the water tank 14, an L-shaped pipe is fixedly communicated with a water inlet of the water pump 13, the bottom end of the L-shaped pipe extends into the water tank 14, a storage battery is fixedly arranged on the top of the base 1, and the grouting pump 102, the electric push rod 7, the driving motor 11 and the water pump 13 are electrically connected with the storage battery, so that the effect of supplying power to the grouting pump 102, the electric push rod 7, the driving motor 11 and the water pump 13 is achieved; the water pump 13, the water tank 14 and the L-shaped pipe are matched, the water pump 13 is started to pump water in the water tank 14 into the fixed box 8, and the water is supplied into the rotary pipe 9 through the four water inlet holes 12.

Further, the scraping and flushing cleaning assembly comprises two transverse pipes 15 which are fixedly connected to the inner wall of the right side of the rotary pipe 9, the right ends of the two transverse pipes 15 are fixedly connected with one L-shaped scraping rod 16, the right side and the bottom of the L-shaped scraping rod 16 are respectively in movable contact with the inner wall of the right side of the round box body 101 and the inner wall of the bottom, the front side of the transverse pipe 15 is fixedly connected with a one-way valve 17 with the front side serving as an outlet, the water outlet of the one-way valve 17 is fixedly connected with a spray pipe 18 which is obliquely arranged to the right, the two stirring rods 10 on the right side are respectively fixedly sleeved on the corresponding transverse pipes 15, and the right end of the stirring rod 10 on the right side is provided with a sleeved hole which is fixedly connected with the outer side of the corresponding transverse pipe 15; the horizontal pipe 15, the L-shaped scraping rod 16, the one-way valve 17 and the water spraying pipe 18 are arranged in a matched mode, the horizontal pipe 15 drives the L-shaped scraping rod 16 to rotate when the rotary pipe 9 rotates, the inner wall of the round box body 101 is cleaned by rotating scraping, and water in the rotary pipe 9 is sprayed out of the inner wall of the round box body 101 through the horizontal pipe 15, the one-way valve 17 and the water spraying pipe 18 in sequence to flush the inner wall of the round box body 101, so that the effect of integral scraping and flushing cleaning is achieved.

The application method of the embodiment is as follows: the raw materials of the fire prevention and extinguishing slurry are added into the round box body 101, the driving motor 11 is started to drive the rotary pipe 9 to rotate, the rotary pipe 9 drives the stirring rod 10 to rotate to stir and mix the slurry, meanwhile, the rotary pipe 9 drives the L-shaped scraping rod 16 to rotate through the transverse pipe 15 to scrape the inner wall of the round box body 101, the phenomenon that part of slurry is statically adhered to the inner wall of the round box body 101 to cause uneven mixing is prevented, the mixing uniformity of the slurry is improved, and the effect of preventing precipitation is achieved by stirring; when grouting is needed, when grouting fire prevention and extinguishing work is carried out by utilizing a conveying pipeline pre-buried in a coal mine site, a coal mine fire prevention and extinguishing pre-buried pipeline connecting pipe 4 is connected with an external coal mine pre-buried conveying pipeline, a left valve 3 and a grouting pump 102 are started, the grouting pump 102 pumps fire prevention and extinguishing slurry in a round box body 101 and pumps the fire prevention and extinguishing slurry into a three-way pipe 2, the slurry sequentially enters the external coal mine pre-buried conveying pipeline through the left valve 3 and the coal mine fire prevention and extinguishing pre-buried pipeline connecting pipe 4 to carry out accurate conveying grouting fire prevention and extinguishing work, when direct grouting is needed, the left valve 3 is closed, the upper valve 3 is opened, the slurry sequentially enters a grouting spray head 6 through the upper valve 3 and a hose 5 at the moment, the direct grouting fire prevention and extinguishing work is carried out, the grouting height of the grouting spray head 6 can be further adjusted by utilizing an electric push rod 7, the mode of switching between two fire prevention modes is convenient, the flexible switching and selection and use are improved according to site conditions;

After the use, when cleaning in the round box 101 is needed, the water pump 13, the driving motor 11 and the grouting pump 102 are started, the rotary pipe 9 rotates again, the rotary pipe 9 drives the L-shaped scraping rod 16 to scrape the inner wall of the round box 101 through the transverse pipe 15, water in the water tank 14 is pumped into the fixed box 8 when the water pump 13 is started, the water is fed into the rotary pipe 9 through the four water inlet holes 12, then enters the two transverse pipes 15, and is sprayed out through the one-way valve 17 and the corresponding spray pipe 18 in sequence, the rotary blowing flushing inside the round box 101 is realized under the action of the rotation of the transverse pipe 15 following the rotary pipe 9, the effect of the integral quick and effective scraping cleaning inside the round box 101 is realized under the action of the rotary flushing matched with the rotary scraping cleaning, the cleaned water pollution is pumped and discharged by the grouting pump 102, the phenomenon that the inside of the round box 101 is scraped and cleaned through the integral automatic scraping mode after use, the phenomenon that the slurry is greatly adhered to the inside and solidified and causes the influence on the next use can be avoided, and the use cleanliness is improved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. 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 slip casting device for colliery is prevented putting out a fire, includes base (1) and fixes round box (101) and slip casting pump (102) at base (1) top, its characterized in that: the bottom of the round box body (101) is of a conical structure and is fixedly communicated with a feed inlet of the grouting pump (102), and a feed pipe is fixedly communicated with the left side of the top of the round box body (101);

A discharge port of the grouting pump (102) is communicated and fixed with a direct-injection switching type coal mine fire prevention and extinguishing grouting component;

The top of the round box body (101) is fixedly connected with a fixed box (8) with an opening at the bottom, a rotary pipe (9) with the bottom end and the top end being of a plugging structure is installed on the inner wall of the top of the round box body (101) in a sealing and rotating mode, two stirring rods (10) are fixedly connected to two sides of the rotary pipe (9), a driving motor (11) is fixedly installed at the top of the fixed box (8), an output shaft of the driving motor (11) extends into the fixed box (8) and is fixedly connected with the top end of the rotary pipe (9), water inlet holes (12) located in the fixed box (8) are formed in four inner walls of the rotary pipe (9), and a water supply assembly communicated with the right side of the fixed box (8) is fixedly installed on the right side of the top of the round box body (101);

The right side of the rotary pipe (9) is fixedly connected with a scraping cleaning component which is movably contacted with the right side inner wall and the bottom inner wall of the round box body (101).

2. A grouting device for fire protection and extinguishment in coal mines as claimed in claim 1, wherein: the utility model provides a direct injection switching formula colliery fire prevention slip casting subassembly is fixed in three-way pipe (2) of slip casting pump (102) discharge gate including the intercommunication, the top and the left end of three-way pipe (2) all communicate and are fixed with valve (3), the left end intercommunication of left valve (3) is fixed with colliery fire prevention pre-buried pipeline connecting pipe (4), the top intercommunication of valve (3) in top is fixed with hose (5), the top intercommunication of hose (5) is fixed with slip casting shower nozzle (6) that slope set up below left, the top left side fixed mounting of base (1) has electric putter (7) that are located three-way pipe (2) rear, the right side bottom fixed connection of electric putter (7) extension end and slip casting shower nozzle (6).

3. A grouting device for fire protection and extinguishment in coal mines as claimed in claim 2, wherein: the water supply assembly comprises a water pump (13) fixedly arranged on the right side of the top of the round box body (101), a water outlet of the water pump (13) is communicated and fixed with the right side inner wall of the fixed box (8), a water tank (14) is fixedly arranged on the right side of the top of the base (1), an L-shaped pipe is fixedly communicated with a water inlet of the water pump (13), and the bottom end of the L-shaped pipe extends into the water tank (14).

4. A grouting device for fire protection and extinguishment in coal mines as claimed in claim 3, wherein: scrape towards clearance subassembly including the intercommunication and fix two violently pipe (15) at the right side inner wall of commentaries on classics pipe (9), two the right-hand member fixedly connected with of violently pipe (15) is same L shape and is scraped pole (16), and the right side and the bottom of L shape are scraped pole (16) respectively with the right side inner wall and the bottom inner wall movable contact of round box (101), and the front side intercommunication of violently pipe (15) is fixed with anterior check valve (17) for the export, and the delivery port intercommunication of check valve (17) is fixed with spray pipe (18) that slope set up to the right, and two puddler (10) on right side are fixed respectively and are overlapped and establish on corresponding violently pipe (15).

5. A grouting device for fire protection and extinguishment in coal mines as claimed in claim 1, wherein: the four corners of the bottom of the base (1) are respectively and rotatably connected with universal wheels with locks, and four supporting legs are fixedly connected between the top of the base (1) and the bottom of the round box body (101) in a rectangular shape.

6. A grouting device for fire protection and extinguishment in coal mines as claimed in claim 3, wherein: the top of base (1) fixed mounting has the battery, slip casting pump (102), electric putter (7), driving motor (11) and water pump (13) all with battery electric connection.

7. A grouting device for fire protection and extinguishment in coal mines as claimed in claim 3, wherein: the right side of the water tank (14) is fixedly connected with a trolley handle, and the right side of the top of the water tank (14) is fixedly connected with a water adding pipe.

8. A grouting device for fire protection and extinguishment in coal mines as claimed in claim 1, wherein: the inner wall of the top of the round box body (101) is provided with a rotating hole, two first sealing bearings are fixedly sleeved in the rotating hole, and the inner ring of each first sealing bearing is fixedly sleeved with the outer side of the rotating pipe (9).

9. A grouting device for fire protection and extinguishment in coal mines as claimed in claim 1, wherein: the inner wall of the top of the fixed box (8) is provided with a circular hole, a second sealing bearing is fixedly sleeved in the circular hole, and the inner ring of the second sealing bearing is fixedly sleeved with the outer side of an output shaft of the driving motor (11).

10. The grouting device for coal mine fire prevention and extinguishment according to claim 4, wherein: the right end of the stirring rod (10) on the right side is provided with a sleeved hole fixedly connected with the outer side of the corresponding transverse pipe (15).