Mullite raw material crushing device

Abstract

The utility model discloses a mullite raw material crushing device which comprises an impact crusher, the top of the impact crusher is provided with a feed port, the feed port is provided with a dust-proof water curtain, the dust-proof water curtain comprises an assembling seat which is welded and fixed at the top of the feed port, the surface of the assembling seat is screwed and fixed with a water curtain seat, and meanwhile, an internal water cavity of the water curtain seat is communicated with a water outlet of the water curtain seat. A water inlet pipe is installed on the outer side of the water curtain base, and two rows of atomizing nozzles are evenly arranged on the surface of the inner wall of the water curtain base and are oppositely arranged. According to the mullite raw material crushing device, water enters the water cavity from the water inlet pipe installed on the outer side of the water curtain base and is discharged in an atomized mode from the two rows of oppositely-arranged atomizing nozzles, the water sprayed by the two rows of atomizing nozzles forms a water curtain in the water curtain space, dust in an impact crusher is blocked, and the dust in the impact crusher is prevented from falling off. Workers can be prevented from inhaling dust, and the body health of the workers is protected.

Description

Technical Field

[0001] The utility model relates to the field of mullite processing, and specifically relates to a mullite raw material crushing device. Background Technique

[0002] Mullite is a high-quality refractory material; mullite has a series of excellent properties, such as high melting point, low thermal expansion coefficient, good thermal shock resistance, high temperature strength and chemical stability, etc.; it has important applications in many fields; for example: high-temperature industry: such as the furnace linings of industries such as steel, glass, and ceramics; foundry industry: it can be used to make refractory products for casting.

[0003] When crushing mullite raw materials, crushers are usually used, such as jaw crushers, cone crushers, impact crushers, etc.; these crushers can crush large pieces of mullite raw materials into smaller particles to meet the requirements of subsequent production processes.

[0004] When selecting a crusher, factors such as the hardness of the mullite raw material, particle size requirements, and output requirements need to be considered; at the same time, attention should also be paid to the maintenance and upkeep of the crusher to ensure its normal operation and extend its service life.

[0005] When an impact crusher crushes mullite raw materials, a large amount of dust will be generated at the feeding port of the crusher; the dust may enter the internal moving parts of the equipment, increasing friction and shortening the service life of the equipment parts; a large amount of dust makes the air quality at the work site poor, which is not good for the health of the operators and may cause respiratory diseases, etc. Content of the Utility Model

[0006] The purpose of the utility model is to provide a mullite raw material crushing device to solve the defects mentioned in the above background technique.

[0007] To achieve the above purpose, a mullite raw material crushing device is provided, including an impact crusher. A feeding port is installed at the top of the impact crusher, and a dust-proof water curtain is installed at the feeding port. The dust-proof water curtain includes an assembled seat welded and fixed to the top of the feeding port. A water curtain seat is screwed and fixed to the surface of the assembled seat. At the same time, a water cavity is arranged inside the water curtain seat, and a water inlet pipe is installed outside the water curtain seat. Two rows of atomizing nozzles are evenly arranged on the inner wall surface of the water curtain seat, and the two rows of atomizing nozzles are arranged oppositely.

[0008] Preferably, a retaining seat is fixedly installed on the surface of the water curtain seat, and the cross-sections of the water curtain seat and the retaining seat are both set in an "L" shape.

[0009] Preferably, a water curtain space is opened on the surface of the water curtain seat, and the water curtain space is arranged opposite to the feeding port. At the same time, an installation space is opened inside the water curtain seat, and multiple groups of atomizing nozzles with the same spacing are evenly arranged in the installation space.

[0010] Preferably, both sides of the bottom of the water curtain seat are welded and fixedly connected with connecting seats, two sets of perforations are opened on the connecting seats, and at the same time, fixing bolts pass through the perforations and are screwed into the screw holes opened on the surface of the assembling seat.

[0011] Preferably, two sets of oppositely arranged positioning grooves are opened on the surface of the assembling seat, and two sets of oppositely arranged positioning plates are fixedly arranged at the bottom of the water curtain seat, and the sizes of the positioning plates and the positioning grooves are adapted to each other.

[0012] Preferably, the length of the positioning plate is equal to the length of the positioning groove, and the positioning plate is inserted into the positioning groove. At the same time, the water curtain seat and the assembling seat are positioned and installed through the two sets of positioning plates and positioning grooves.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: water enters the interior of the water cavity from the water inlet pipe installed outside the water curtain seat, and is discharged in the form of atomization from two rows of oppositely arranged atomizing nozzles. The water discharged from the two rows of atomizing nozzles forms a water curtain inside the water curtain space, blocking the dust inside the impact crusher, preventing the staff from inhaling the dust, and protecting the physical health of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a front view schematic diagram of the structure of the utility model;

[0015] Figure 2 is a schematic diagram of the dust-proof water curtain of the structure of the utility model;

[0016] Figure 3 is a three-dimensional view of the dust-proof water curtain of the structure of the utility model;

[0017] Figure 4 is a side view of the structure of the utility model Figure 2 ;

[0018] Figure 5 is a top view of the structure of the utility model Figure 2 ;

[0019] Figure 6 is a bottom view of the structure of the utility model Figure 2 ;

[0020] Reference numerals in the drawings: 1. Impact crusher; 2. Feeding port; 3. Dust-proof water curtain; 30. Water curtain space; 31. Blocking seat; 32. Water curtain seat; 33. Water cavity; 34. Installation space; 35. Atomizing nozzle; 36. Connecting seat; 37. Positioning plate; 38. Positioning groove; 39. Assembling seat. DETAILED DESCRIPTION OF THE INVENTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1-6 , the present utility model provides a mullite raw material crushing device, including a counterattack crusher 1. A feeding port 2 is installed at the top of the counterattack crusher 1, and a dust isolation water curtain 3 is installed at the feeding port 2. The dust isolation water curtain 3 includes an assembled seat 39 welded and fixed to the top of the feeding port 2, and a water curtain seat 32 is screwed and fixed on the surface of the assembled seat 39. At the same time, a water cavity 33 is provided inside the water curtain seat 32, and a water inlet pipe is installed on the outer side of the water curtain seat 32. Two rows of atomizing nozzles 35 are evenly arranged on the inner wall surface of the water curtain seat 32, and the two rows of atomizing nozzles 35 are arranged oppositely.

[0023] Working principle: When in use, when the counterattack crusher 1 is crushing the mullite raw material inside, at this time, under the action of an external booster pump, the water body enters the inside of the water cavity 33 from the water inlet pipe installed on the outer side of the water curtain seat 32 and is discharged in an atomized form from the two rows of oppositely arranged atomizing nozzles 35. The water bodies sprayed from the two rows of atomizing nozzles 35 form a water curtain inside the water curtain space 30 to block the dust inside the counterattack crusher 1, which can prevent the staff from inhaling the dust and protect the physical health of the staff.

[0024] As a preferred embodiment, a retaining seat 31 is fixedly installed on the surface of the water curtain seat 32, and the cross-sections of both the water curtain seat 32 and the retaining seat 31 are set in an "L" shape.

[0025] A water curtain space 30 is opened on the surface of the water curtain seat 32, and the water curtain space 30 is arranged opposite to the feeding port 2. At the same time, an installation space 34 is opened inside the water curtain seat 32, and multiple groups of atomizing nozzles 35 with the same spacing are evenly arranged in the installation space 34.

[0026] As Figures 1-4 shown: Multiple groups of atomizing nozzles 35 with the same spacing are evenly arranged in the installation space 34. The water bodies sprayed from the atomizing nozzles 35 are in a misty state and fill the inside of the water curtain space 30 to form a water curtain to block the dust inside the counterattack crusher 1.

[0027] As a preferred embodiment, connecting seats 36 are welded and fixed on both sides of the bottom of the water curtain seat 32, and two sets of through holes are opened on the connecting seats 36. At the same time, fixing bolts pass through the through holes and are screwed into the screw holes opened on the surface of the assembled seat 39.

[0028] Two sets of oppositely arranged positioning grooves 38 are formed on the surface of the assembly base 39, and two sets of oppositely arranged positioning plates 37 are fixedly arranged at the bottom of the water curtain base 32. The sizes of the positioning plates 37 and the positioning grooves 38 are adapted to each other.

[0029] As a preferred embodiment, the length of the positioning plate 37 is equal to the length of the positioning groove 38, and the positioning plate 37 is inserted into the interior of the positioning groove 38. At the same time, the water curtain base 32 and the assembly base 39 are positioned and installed through the two sets of positioning plates 37 and the positioning grooves 38.

[0030] The installation method of the water curtain base 32 is as follows: Hold the water curtain base 32 and insert the two sets of positioning plates 37 at the bottom of the water curtain base 32 into the two sets of positioning grooves 38 formed on the surface of the assembly base 39 respectively. At this time, the fixing bolts can be screwed through the through holes formed on the surface of the connecting seat 36 into the screw holes formed on the surface of the assembly base 39, and the quick installation of the water curtain base 32 can be completed without aligning the through holes and the screw holes.

[0031] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mullite raw material crushing device, comprising an impact crusher (1), characterized in that: A feeding port (2) is installed at the top of the impact crusher (1), and a dust-proof water curtain (3) is installed at the feeding port (2). The dust-proof water curtain (3) comprises an assembly seat (39) welded and fixed to the top of the feeding port (2), and the surface of the assembly seat (39) is screwed and fixed to a water curtain seat (32), and an internal water cavity (33) of the water curtain seat (32) and a water inlet pipe is installed on the outside of the water curtain seat (32). Two rows of atomizing nozzles (35) are evenly arranged on the inner wall surface of the water curtain seat (32), and the two rows of atomizing nozzles (35) are arranged opposite to each other.

2. The mullite raw material crushing device according to claim 1, characterized in that: The retaining seat (31) is fixedly mounted on the surface of the water curtain seat (32), and the cross-sections of the water curtain seat (32) and the retaining seat (31) are both arranged in an "L" shape.

3. The mullite raw material crushing device according to claim 1, characterized in that: A water curtain space (30) is provided on the surface of the water curtain seat (32), and the water curtain space (30) is arranged opposite to the feed port (2). Meanwhile, an installation space (34) is provided inside the water curtain seat (32), and a plurality of groups of atomizing nozzles (35) with uniform spacing are evenly arranged in the installation space (34).

4. The mullite raw material crushing device according to claim 1, characterized in that: Both sides of the bottom of the water curtain seat (32) are welded with fixed connecting seats (36), and two groups of through holes are provided on the connecting seat (36), and fixing bolts pass through the through holes and are screwed into the screw holes provided on the surface of the assembly seat (39).

5. The mullite raw material crushing device according to claim 1, characterized in that: The surface of the assembly seat (39) is provided with two groups of positioning grooves (38) arranged opposite to each other, and the bottom of the water curtain seat (32) is fixedly provided with two groups of positioning plates (37) arranged opposite to each other, and the sizes of the positioning plates (37) and the positioning grooves (38) are adapted to each other.

6. The mullite raw material crushing device according to claim 5, characterized in that: The length of the positioning plate (37) is equal to the length of the positioning groove (38), and the positioning plate (37) is inserted into the interior of the positioning groove (38). At the same time, the water curtain seat (32) and the assembly seat (39) are positioned and installed through the two sets of positioning plates (37) and the positioning grooves (38).

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