Dust removal device for producing premixed concrete

Abstract

The utility model relates to a dust removal device for producing premixed concrete, which comprises a shell, the top of the shell is connected with an air outlet pipe through a bolt, the bottom of the shell is connected with a slag discharge port through a bolt, one side of the shell is fixedly connected with an air inlet pipe, and a plurality of water outlet pipes arranged in an annular array are arranged on the shell. One end of the water outlet pipe is fixedly provided with an atomizing nozzle, one side of the air inlet pipe is connected with a filter screen through a bolt, and rotatable fan blades are arranged in the air inlet pipe. When the device is used, the protective cover is opened, the fan blades rotate to suck air, so that air with dust in the premixed concrete production process is sucked into the device, the atomizing spray head sprays water to reduce dust and remove dust, the air outlet pipe can be communicated with external air suction equipment to suck away the air after dust fall, when the filter screen needs to be cleaned, the protective cover can be closed, and the filter screen can be cleaned. The polygonal block is inserted into the polygonal hole, and the fan blades rotate to ventilate and drive the polygonal block to rotate, so that the cleaning brush cleans the filter screen.

Description

Technical Field

[0001] The utility model relates to a ready-mixed concrete production technology, in particular to a dust removal device for producing ready-mixed concrete. Background Art

[0002] Ready-mixed concrete refers to a concrete mixture composed of cement, aggregate, water, and admixtures and mineral admixtures added as needed in a certain proportion, which is measured and mixed at a mixing station before being sold and transported to the place of use within a specified time by a transport vehicle. Ready-mixed concrete mixing plants will generate a large amount of dust when discharging materials and mixing, and the dust floating in the atmosphere often contains substances that are harmful to the human body.

[0003] The existing dust removal devices used in the production of ready-mixed concrete are often not convenient for protecting and cleaning the filter screen at the air inlet, and have certain limitations. Utility Model Content

[0004] The utility model aims to provide a dust removal device for producing ready-mixed concrete, which is used to solve the problem that the existing dust removal devices for the production of ready-mixed concrete are often inconvenient to protect and clean the filter screen at the air inlet and have certain limitations.

[0005] In order to solve the above problems, the utility model provides a dust removal device for producing ready-mixed concrete, comprising a shell, the top of the shell is connected with an air outlet pipe by bolts, the bottom of the shell is connected with a slag discharge port by bolts, one side of the shell is fixedly connected with an air inlet pipe, a plurality of water outlet pipes arranged in a ring array are provided on the shell, one end of the water outlet pipe is fixedly installed with an atomizing nozzle, one side of the air inlet pipe is connected with a filter by bolts, a rotatable fan blade is provided in the air inlet pipe, a connecting shaft is fixedly provided at the middle part of the fan blade, one end of the connecting shaft passes through the middle part of the filter, a connecting rod is slidably connected to the bottom of the air inlet pipe, a protective cover is hinged at one end of the connecting rod, the middle part of the protective cover is rotatably connected with a rotary block, one side of the rotary block is connected with a polygonal block by bolts, a section of the connecting shaft is provided with a polygonal hole matched with the polygonal block, the polygonal block can be inserted into the polygonal hole, a cleaning brush is fixed on the polygonal block, and the cleaning brush can contact with the filter.

[0006] The dust removal device for producing ready-mixed concrete provided by the utility model also has the following technical features:

[0007] Furthermore, the plurality of water outlet pipes are connected via an annular pipe, and a water inlet pipe is fixedly connected to the annular pipe.

[0008] Furthermore, a bracket is fixedly connected inside the air inlet pipe, a motor is fixedly mounted on the bracket, and an output end of the motor is fixedly mounted to the middle of the fan blade.

[0009] Furthermore, a collecting box is threadedly connected to the bottom of the slag discharge port, a drain pipe is fixedly connected to the bottom of the collecting box, and a filter plate is fixedly installed in the drain pipe.

[0010] Furthermore, a positioning seat is fixedly connected to the top of the air inlet pipe, a positioning hole is opened on the positioning seat, and an insertion rod is fixed to the top of the protective cover, and the insertion rod can be inserted into the positioning hole.

[0011] Furthermore, the insertion rod is provided with an insertion hole, the positioning seat is provided with a cross slot, a cross rod is slidably connected in the cross slot, the cross rod can be inserted into the insertion hole, and the stepped surface of the cross rod is connected to the positioning seat via a spring.

[0012] The utility model has the following beneficial effects: when the device is used, the protective cover is opened, and the fan blades are rotated to draw air, so that the air with dust in the production process of ready-mixed concrete is drawn into the inside of the device, and the atomizing nozzle sprays water to reduce dust and remove dust, and the air outlet pipe can be connected to the external exhaust equipment to draw away the dust-reduced air, and when the filter needs to be cleaned, the protective cover can be closed, the polygonal block is inserted into the polygonal hole, the fan blades rotate to draw air and drive the polygonal block to rotate, so that the cleaning brush cleans the filter, and the cleaned dust can enter the inside of the device for dust reduction and removal, making the device convenient for cleaning the filter, and when the device is not in use, the filter can be protected by the protective cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an axonometric diagram of an embodiment of the utility model;

[0014] Figure 2 It is a front view cutaway diagram of an embodiment of the utility model;

[0015] Figure 3 This is a cutaway view of the air inlet duct in the embodiment of the utility model;

[0016] Figure 4 For the utility model embodiment Figure 3 Schematic diagram of the structure enlarged at point A in the middle. DETAILED DESCRIPTION

[0017] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0018] like Figures 1 to 4In the embodiment of the dust removal device for producing ready-mixed concrete of the utility model shown, the dust removal device for producing ready-mixed concrete comprises a shell 1, the top of the shell 1 is connected with an air outlet pipe 2 by bolts, the bottom of the shell 1 is connected with a slag discharge port 3 by bolts, one side of the shell 1 is fixedly connected with an air inlet pipe 4, a plurality of water outlet pipes 5 arranged in a ring array are provided on the shell 1, one end of the water outlet pipe 5 is fixedly installed with an atomizing nozzle 6, one side of the air inlet pipe 4 is connected with a filter screen 7 by bolts, a rotatable fan blade 8 is provided in the air inlet pipe 4, a connecting shaft 9 is fixed to the middle part of the fan blade 8, one end of the connecting shaft 9 passes through the middle part of the filter screen 7, a connecting rod 10 is slidably connected to the bottom of the air inlet pipe 4, a protective cover 11 is hinged at one end of the connecting rod 10, a rotary block 12 is rotatably connected to the middle part of the protective cover 11, one side of the rotary block 12 is connected with a polygonal block 13 by bolts, and a section of the connecting shaft 9 is provided with a connection with the polygon The polygonal hole that is adapted to the polygonal block 13, the polygonal block 13 can be inserted into the polygonal hole, a cleaning brush 14 is fixed on the polygonal block 13, and the cleaning brush 14 can contact the filter 7. When the device is used, the protective cover 11 is opened, and the fan blades 8 are rotated to draw air, so that the air with dust in the production process of ready-mixed concrete is drawn into the interior of the device, and the atomizing nozzle 6 is used to spray water to reduce dust and remove dust, and the air outlet pipe 2 can be connected to the external exhaust equipment to draw away the dust-reduced air. When the filter 7 needs to be cleaned, the protective cover 11 can be closed, the polygonal block 13 is inserted into the polygonal hole, the fan blades 8 rotate to draw air and drive the polygonal block 13 to rotate, so that the cleaning brush 14 cleans the filter 7, and the cleaned dust can enter the interior of the device for dust reduction and removal, making the device convenient for cleaning the filter 7, and when the device is not used, the filter 7 can be protected by the protective cover 11.

[0019] In one embodiment of the present application, preferably, multiple water outlet pipes 5 are connected via an annular pipe 15, and a water inlet pipe 16 is fixedly connected to the annular pipe 15. By injecting water into the water inlet pipe 16, the water flow can flow through multiple water outlet pipes 5 and then be atomized and sprayed out through the corresponding atomizing nozzles 6.

[0020] In one embodiment of the present application, preferably, a bracket 17 is fixedly connected inside the air inlet pipe 4, a motor 18 is fixedly mounted on the bracket 17, an output end of the motor 18 is fixedly mounted on the middle of the fan blade 8, and the fan blade 8 and the connecting shaft 9 are driven to rotate by starting the motor 18.

[0021] In one embodiment of the present application, preferably, the bottom of the slag discharge port 3 is threadedly connected to a collecting box 19, the bottom of the collecting box 19 is fixedly connected to a drain pipe 20, and a filter plate is fixedly installed in the drain pipe 20. The dust after atomized dust reduction can fall into the collecting box 19, and when water accumulates, it can be discharged through the drain pipe 20, and the dust after atomized dust reduction is blocked by the filter plate, and the collecting box 19 is easy to disassemble and clean.

[0022] In one embodiment of the present application, preferably, a positioning seat 21 is fixedly connected to the top of the air inlet duct 4, a positioning hole is opened on the positioning seat 21, and an insertion rod 22 is fixed to the top of the protective cover 11, and the insertion rod 22 can be inserted into the positioning hole. When the protective cover 11 is closed, the insertion rod 22 is inserted into the positioning hole, which can play a limiting role.

[0023] In one embodiment of the present application, preferably, a socket is provided on the insertion rod 22, a cross groove is provided on the positioning seat 21, a cross rod 23 is slidably connected in the cross groove, the cross rod 23 can be inserted into the socket, and the stepped surface of the cross rod 23 is connected to the positioning seat 21 via a spring. The cross rod 23 can be inserted into the socket under the action of the spring, thereby locking the protective cover 11.

[0024] When the utility model is in use, when using the device, the protective cover 11 is opened, the motor 18 is started to drive the fan blades 8 and the connecting shaft 9 to rotate, and the fan blades 8 are rotated to draw air, so that the air with dust in the production process of ready-mixed concrete is drawn into the device, the water inlet pipe 16 is connected to the water source, and the water flow can be sprayed out through the corresponding atomizing nozzles 6 after flowing through multiple water outlet pipes 5 to reduce dust, and the air outlet pipe 2 can be connected to the external exhaust equipment to draw away the dust-reduced air, and the dust after the atomized dust can fall into the collection box 19, and when the water accumulates, it can be discharged through the drain pipe 20, and the dust after the atomized dust can be discharged through the drain pipe 20. Dust is blocked by the filter plate, and the collection box 19 is easy to disassemble and clean. When the filter 7 needs to be cleaned, the protective cover 11 can be closed, the insertion rod 22 is inserted into the positioning hole, and the cross rod 23 can be inserted into the insertion hole under the action of the spring to lock the protective cover 11. The polygonal block 13 is inserted into the polygonal hole, and the fan blades 8 rotate to draw air and drive the polygonal block 13 to rotate, so that the cleaning brush 14 cleans the filter 7, and the cleaned dust can enter the interior of the device for dust reduction and removal, making the device easy to clean the filter 7, and when the device is not in use, the filter 7 can be protected by the protective cover 11.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A dust removal device for producing ready-mixed concrete, comprising a housing (1), characterized in that: The top of the shell (1) is connected to an air outlet pipe (2) by bolts, the bottom of the shell (1) is connected to a slag discharge port (3) by bolts, one side of the shell (1) is fixedly connected to an air inlet pipe (4), a plurality of water outlet pipes (5) arranged in a ring array are provided on the shell (1), one end of the water outlet pipe (5) is fixedly mounted with an atomizing nozzle (6), one side of the air inlet pipe (4) is connected to a filter screen (7) by bolts, a rotatable fan blade (8) is provided in the air inlet pipe (4), a connecting shaft (9) is fixed to the middle of the fan blade (8), one end of the connecting shaft (9) is fixedly mounted with an atomizing nozzle (6), a filter screen (7) is fixedly mounted on one end of the water outlet pipe (5), a rotatable fan blade (8) is provided in the air inlet pipe (4), a connecting shaft (9) is fixed to the middle of the fan blade (8), and one end of the connecting shaft (9) is fixedly mounted with an atomizing nozzle (6) and a filter screen (7) is fixedly mounted on the one end of the water outlet pipe (5). The end of the connecting shaft (9) passes through the middle of the filter screen (7); the bottom of the air inlet pipe (4) is slidably connected to a connecting rod (10); one end of the connecting rod (10) is hingedly connected to a protective cover (11); the middle of the protective cover (11) is rotatably connected to a rotating block (12); one side of the rotating block (12) is connected to a polygonal block (13) by bolts; a section of the connecting shaft (9) is provided with a polygonal hole that matches the polygonal block (13); the polygonal block (13) can be inserted into the polygonal hole; a cleaning brush (14) is fixed on the polygonal block (13); and the cleaning brush (14) can contact the filter screen (7).

2. The dust removal device for producing ready-mixed concrete according to claim 1, characterized in that: The plurality of water outlet pipes (5) are connected via an annular pipe (15), and a water inlet pipe (16) is fixedly connected to the annular pipe (15).

3. The dust removal device for producing ready-mixed concrete according to claim 1, characterized in that: A bracket (17) is fixedly connected to the air inlet pipe (4), a motor (18) is fixedly mounted on the bracket (17), and an output end of the motor (18) is fixedly mounted to the middle of the fan blade (8).

4. The dust removal device for producing ready-mixed concrete according to claim 1, characterized in that: The bottom of the slag discharge port (3) is threadedly connected to a collecting box (19), the bottom of the collecting box (19) is fixedly connected to a drainage pipe (20), and a filter plate is fixedly installed in the drainage pipe (20).

5. The dust removal device for producing ready-mixed concrete according to claim 1, characterized in that: A positioning seat (21) is fixedly connected to the top of the air inlet pipe (4), a positioning hole is provided on the positioning seat (21), and an insertion rod (22) is fixed to the top of the protective cover (11), and the insertion rod (22) can be inserted into the positioning hole.

6. The dust removal device for producing ready-mixed concrete according to claim 5, characterized in that: The insertion rod (22) is provided with an insertion hole, the positioning seat (21) is provided with a cross groove, a cross rod (23) is slidably connected in the cross groove, the cross rod (23) can be inserted into the insertion hole, and the stepped surface of the cross rod (23) is connected to the positioning seat (21) via a spring.

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