CN212855888U

CN212855888U - Limestone crushing device

Info

Publication number: CN212855888U
Application number: CN202021308711.2U
Authority: CN
Inventors: 梁陆源; 张志旭; 张春平; 王保存; 鲁臣; 张亚文; 葸彦; 张学祯; 李懿; 李�杰; 王建华; 彦青; 郭久明
Original assignee: China Building Materials Industrial Construction Xi'an Engineering Co ltd
Current assignee: China Building Materials Industrial Construction Xi'an Engineering Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-04-02
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a limestone crushing device, which comprises a casing, wherein a feeding hopper with a sealing cover is arranged on the side wall of the casing, a primary crushing device is arranged inside the casing, the primary crushing device comprises a hammering device and a spraying device, and the hammering device is longitudinally arranged in the casing and is used for beating limestone inside the casing; and spraying a dilute acid solution for enabling the limestone to generate cracks and accelerating limestone cracking on the surface of the beaten limestone through a spraying device. The utility model discloses compare the practicality with prior art and be strong, hit the device through the setting and be used for hitting the bold lime stone, make the lime stone surface produce the recess, then will hit to hit and spray the dilute acid solution on hitting the lime stone, in the dilute acid solution flows into the recess, and then beat the face with the lime stone and take place chemical reaction, make and hit the lime stone after hitting and beat and produce the crackle, reduced and hit hitting of hitting the hammer and hit the number of times of hitting, promoted the rubble efficiency of hitting the device, and then reduced the energy resource consumption of one-level breaker rubble.

Description

Limestone crushing device

Technical Field

The utility model relates to a lime stone processing technology field, concretely relates to lime stone breaker.

Background

The main component of limestone is calcium carbonate, which is a raw material for preparing cement in the building industry, and is widely applied to the building industry for improving the stability of buildings, and the limestone for preparing cement by transportation is mostly massive stone, so that the stone needs to be put into a crusher for crushing to prepare the cement.

And carry out the broken device to the building stones among the prior art, generally carry out the two-stage breakage to the lime stone through crushing roller, carry out the primary breakage to the lime stone earlier, break into little stone piece with big stone material, then break again, the broken of lime stone can be realized to this kind of broken mode among the prior art, but the lime stone in sending into the casing can produce very big energy consumption when carrying out the one-level breakage, this is because when carrying out the one-level breakage, one-level crushing roller directly cuts the lime stone, the lime stone hardness is high, can produce big energy consumption with big lime stone cutting, consequently design a lime stone breaker that can reduce the lime stone energy consumption has very big practical value.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem among the prior art, provide a lime stone breaker.

The utility model provides a limestone crushing device, which comprises a casing, wherein a feeding hopper with a sealing cover is arranged on the side wall of the casing, a primary crushing device is arranged inside the casing, the primary crushing device comprises a hammering device and a spraying device, and the hammering device is longitudinally arranged in the casing and is used for beating limestone inside the casing; and spraying a dilute acid solution for enabling the limestone to generate cracks and accelerating limestone cracking on the surface of the beaten limestone through a spraying device.

Preferably, the hammering device includes electric putter, horizontal plate and a plurality of hammer, electric putter vertically establishes the roof in the casing, and electric putter's flexible end and the roof fixed connection of horizontal plate, horizontal plate lateral wall and casing inner wall sliding connection, a plurality of hammers are all established on the diapire of horizontal plate, electric putter is connected with the power electricity through first control switch.

Preferably, each striking hammer is a hammer body with a conical structure.

Preferably, spray set includes diluted acid solution storage device, infusion house steward, a plurality of infusion branch pipe, a plurality of shower nozzle and force (forcing) pump, infusion house steward is the silicon rubber hose, and infusion house steward's one end and establish the force (forcing) pump play liquid end intercommunication of roof outside the casing, force (forcing) pump inlet end and the diluted acid solution storage device intercommunication of establishing at the casing top, infusion house steward's the other end and the sealed intercommunication of the one end of a plurality of infusion branch pipes, a plurality of through-holes have been seted up on the horizontal plate, and each infusion branch pipe's the other end all passes each through-hole to with set up a plurality of shower nozzles intercommunication in the horizontal plate bottom, the force (forcing) pump passes through second control switch and is connected.

Preferably, the plurality of striking hammers are uniformly distributed in a plurality of rows on the bottom surface of the horizontal plate, and the plurality of nozzles are distributed between two adjacent rows.

Preferably, a secondary crushing device is further arranged in the casing, and the secondary crushing device is located below a horizontal push-pull plate arranged in the casing and is used for carrying out secondary crushing on the limestone crushed by the primary device.

Preferably, the second grade breaker includes annular mill, crushing roller, rotation axis and rotating electrical machines, annular mill is fixed on the casing inner wall, and the axis of annular mill coincides mutually with the crushing roller axis that is located annular mill cavity, the bottom of annular mill is equipped with the hourglass net along the horizontal direction, the rotation axis along vertically penetrate the casing by the casing diapire in, and pass the rotation axis top and the crushing roller diapire fixed connection who leaks the net, the rotation axis bottom with establish the outer rotating electrical machines's of casing bottom output shaft fixed connection, rotating electrical machines passes through third control switch and is connected with the power electricity.

Preferably, the crushing roller is a roller body with a conical structure, and the top surface of the annular grinding disc is provided with a first flow guide plate.

Preferably, a second guide plate is arranged in the casing, and the second guide plate is communicated with a discharge hole formed in the side wall of the casing and used for sending out the crushed limestone in the casing.

Preferably, a sealing door is arranged on the outer wall of the casing.

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

1. the utility model discloses compare the practicality with prior art and be strong, hit the device through the setting and be used for hitting the bold lime stone, make the lime stone surface produce the recess, then will hit to hit and spray the dilute acid solution on hitting the lime stone, in the dilute acid solution flows into the recess, and then beat the face with the lime stone and take place chemical reaction, make and hit the lime stone after hitting and beat and produce the crackle, reduced and hit hitting of hitting the hammer and hit the number of times of hitting, promoted the rubble efficiency of hitting the device, and then reduced the energy resource consumption of one-level breaker rubble.

2. The problem of high energy consumption also exists in the second-stage crushing in the prior art, because when the second-stage crushing roller is driven by the rotating motor to crush the first-stage crushed stone, the stone filled around the second-stage crushing roller can be displaced, so that the second-stage crushing roller can not directionally crush the limestone filled around the second-stage crushing roller, and further when the limestone filled around the second-stage crushing roller is crushed, the crushing efficiency is low, the energy consumption is high, the utility model can directionally crush the first-stage crushed limestone fed between the annular grinding disc and the crushing roller by feeding the first-stage crushed stone into the cavity between the annular grinding disc and the crushing roller under the combined action of the leakage net, the limestone can not be displaced, the crushing efficiency is high, the crushed stone falls onto the second guide plate through the meshes on the leakage net, and in the crushing process, the limestone after the first-stage crushing can continuously supplement the cavity between the annular grinding disc and the crushing roller, through set up one-level guide plate at annular mill top surface and can be with in the one-level breaker interior broken stone water conservancy diversion to the cavity between crushing roller and the annular mill, avoid the stone after the one-level breakage to pile up at the mill top and influence crushing efficiency.

3. The utility model discloses a set up the second guide plate, can derive the broken stone in the casing fast, prevent to block up the casing, improve the crushing efficiency of lime stone, be convenient maintenance or cleaning equipment through setting up the sealing door on the casing.

Drawings

Fig. 1 is a schematic sectional view (front side) of the present invention;

fig. 2 is a schematic sectional view (rear) of the present invention;

FIG. 3 is a diagram showing the relationship between the horizontal plate, the shower head and the striking hammer;

fig. 4 is an overall schematic diagram of the present invention.

Description of reference numerals:

1. the automatic feeding device comprises a machine shell, 2 parts of a horizontal push-pull plate, 3 parts of a screen, 4 parts of a hammering device, 4-1 parts of an electric push rod, 4-2 parts of a horizontal plate, 4-3 parts of a hammering hammer, 5 parts of a secondary crushing device, 5-1 parts of an annular grinding disc, 5-2 parts of a crushing roller, 5-3 parts of a rotating shaft, 5-4 parts of a rotating motor, 6 parts of a second guide plate, 7 parts of a spraying device, 7-1 parts of a dilute acid solution storage device, 7-2 parts of a main infusion pipe, 7-3 parts of an infusion branch pipe, 7-4 parts of a spray head, 7-5 parts of a pressure pump, 8 parts of a first guide plate, 9 parts of a feeding hopper and 10 parts of a.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

As shown in fig. 1-2 and 4, the utility model provides a limestone crushing device, which comprises a casing 1, wherein the inner wall of the casing 1 is coated with a corrosion-resistant coating, the side wall of the casing 1 is provided with a feeding hopper 9 with a sealing cover, the casing 1 is provided with a primary crushing device, the primary crushing device comprises a hammering device 4 and a spraying device 7, and the hammering device 4 is longitudinally arranged in the casing 1 and is used for beating limestone inside the casing 1; the surface of the beaten limestone is sprayed with a dilute acid solution for generating cracks on the limestone and accelerating the limestone cracking through a spraying device 7.

In this embodiment, in order to solve the problem that the limestone needs to be cut for a long time by the first-stage crushing roller in the prior art, and the energy consumption is high, the limestone crushing device provided in this application can solve the problems existing in the prior art, when in use, the limestone boulders are fed into the casing 1 from the feeding hopper 9, then the sealing cover on the feeding hopper 9 is closed, then the control switch of the hammering device 4 is opened, the hammering device 4 can move up and down in the casing 1 along the longitudinal direction, the limestone boulders in the casing 1 are beaten, grooves appear on the surface of the beaten boulders, then the spraying device is opened again, the dilute acid solution is sprayed on the surface of the beaten limestone, the surface of the dilute acid can chemically react with the limestone, so that cracks are generated on the surface of the limestone, after spraying of the dilute acid, the spraying device 7 is closed, and then the hammering device 4 is opened again to beat the surface, because the appearance of lime stone surface crack can reduce the number of times of beating of lime stone, the crushing efficiency of one-level breaker can be accelerated with 4 intermittent type work of the device of beating to spray set 7 of this application, reduces the energy consumption.

Wherein, the application provides a concrete structure of a hammering device used for limestone crushing, when in use, firstly, a control switch of an electric push rod 4-1 is started, the electric push rod 4-1 moves downwards to further drive a slide block arranged on the side wall of a horizontal plate 4-2 to move downwards along the inner wall of a machine shell 1, a hammering hammer 4-3 arranged on the bottom wall of the horizontal plate 2 is hammered on the surface of a large stone block, so that a groove can be formed on the surface of the large stone block, the hammering device 4 comprises the electric push rod 4-1, the horizontal plate 4-2 and a plurality of hammering hammers 4-3, the electric push rod 4-1 is longitudinally arranged in the machine shell, the non-telescopic end of the electric push rod 4-1 is fixed on the top wall in the machine shell 1, and the telescopic end of the electric push rod 4-1 is fixedly connected with the top wall of the horizontal plate 4-2, the side wall of the horizontal plate 4-2 is connected with the inner wall of the machine shell 1 in a sliding mode, the plurality of striking hammers 4-3 are all arranged on the bottom wall of the horizontal plate 4-2, and the electric push rod 4-1 is electrically connected with a power supply through a first control switch.

In order to make the striking effect of the striking hammer more outstanding, the contact area between the striking hammer and the stone block is reduced, the acting force of the striking hammer 4-3 on the surface of the stone block can be improved, and the striking efficiency is improved; each of the striking hammers 4-3 is a hammer body having a tapered structure.

Wherein, the concrete structure of the spraying device is provided, when in use, the striking device 4 is used for striking the surface of the limestone, then the control switch of the pressure pump 7-5 in the spraying device 7 is started, at the moment, the dilute acid solution is sent into the infusion main pipe 7-2 from the dilute acid solution storage device 7-1 under the action of the pressure pump 7-5, because the infusion main pipe 7-2 is communicated with one end of a plurality of infusion branch pipes 7-3, so that the dilute acid solution flowing into the plurality of the transfusion branch pipes 7-3 flows into the spray head 7-4 communicated with each transfusion branch pipe 7-3, the limestone flows out of the spray head 7-4 and sprays the limestone surface, the installation height of the spray head 7-4 arranged on the bottom wall of the horizontal plate 4-2 is less than that of the striking hammer 4-3, and the influence on the normal work of the striking hammer 4-3 is avoided; the spraying device 7 comprises a dilute acid solution storage device 7-1, a main infusion pipe 7-2, a plurality of branch infusion pipes 7-3, a plurality of spray heads 7-4 and a pressure pump 7-5, wherein the main infusion pipe 7-2 is a silicon rubber hose, one end of the main infusion pipe 7-2 is communicated with a liquid outlet end of the pressure pump 7-5 arranged on the outer top wall of the shell 1, a liquid inlet end of the pressure pump 7-5 is communicated with the dilute acid solution storage device 7-1 arranged on the top of the shell 1, the other end of the main infusion pipe 7-2 is communicated with one end of the plurality of branch infusion pipes 7-3 in a sealing manner, a plurality of through holes are formed in the horizontal plate 4-2, the other end of each branch infusion pipe 7-3 penetrates through each through hole and is communicated with the plurality of spray heads 7-4 arranged at the bottom of the horizontal plate 4-2, the pressure pump 7-5 is electrically connected with a power supply through a second control switch.

As shown in fig. 3, the hitting grooves of the hitting hammer 4-3 are uniformly distributed on the surface of the limestone and the spraying distribution surface of the spraying head 7-4 is improved, so that the dilute acid solution sprayed by the spraying head 7-4 is sprayed in the grooves, the number of surface cracks of the limestone can be increased, and the limestone can be rapidly crushed into a plurality of blocks; the crushing efficiency is improved; the plurality of striking hammers 4-3 are uniformly distributed on the bottom surface of the horizontal plate 4-2 in a plurality of rows, and the plurality of spray heads 7-4 are distributed between two adjacent rows.

The secondary crushing device 5 is further arranged in the machine shell 1, and the secondary crushing device 5 is located below the horizontal push-pull plate 2 arranged in the machine shell 1 and used for carrying out secondary crushing on the limestone crushed by the primary device.

Wherein, in order to solve the problem that when the secondary crushing roller of the prior art is driven by the rotating motor to crush the primary crushed stone, the stone filled around the secondary crushing roller can be displaced, so that the secondary crushing roller can not directionally crush the limestone filled around the secondary crushing roller, and further when the limestone filled around the secondary crushing roller is crushed, the secondary crushing efficiency in the prior art is low, and the energy consumption is high, so when the secondary crushing device provided by the application is used for secondary crushing, the horizontal push-pull plate 2 is opened, the stone after primary crushing falls under the action of gravity, and is crushed by the secondary crushing device positioned in the shell 1, the falling primary crushed stone enters the cavity between the annular grinding disc 5-1 and the crushing roller 5-2, the crushed stone can leak through the meshes of the leakage net 3, and then does not enter the cavity between the annular grinding disc 5-1 and the crushing roller 5-2 for primary crushing again, the continuous supplement and the continuous crushing can directionally crush the stones in the cavities of the annular grinding disc 5-1 and the crushing roller 5-2 without causing the stones to shift in the crushing process, so the crushing efficiency is high and the energy consumption is low; the secondary crushing device 5 comprises an annular grinding disc 5-1, a crushing roller 5-2, a rotating shaft 5-3 and a rotating motor 5-4, wherein the annular grinding disc 5-1 is fixed on the inner wall of the machine shell 1, and the axial line of the annular grinding disc 5-1 is coincided with the axial line of the crushing roller 5-2 positioned in the cavity of the annular grinding disc 5-1, the bottom of the annular grinding disc 5-1 is provided with a leakage net 3 along the horizontal direction, the rotating shaft 5-3 penetrates into the machine shell 1 from the bottom wall of the machine shell 1 along the longitudinal direction, the top end of a rotating shaft 5-3 penetrating through the leakage net 3 is fixedly connected with the bottom wall of the crushing roller 5-2, the bottom end of the rotating shaft 5-3 is fixedly connected with an output shaft of a rotating motor 5-4 arranged outside the bottom of the machine shell 1, and the rotating motor 5-4 is electrically connected with a power supply through a third control switch.

Wherein, in order to lead the stones above the top surfaces of the crushing roller 5-2 and the annular grinding disc 5-1 to the cavity of the annular grinding disc 5-1 and the crushing roller 5-2, the crushing efficiency is improved, and the energy consumption is reduced; the crushing roller 5-2 is a roller body with a conical structure, and a first guide plate 8 is arranged on the crushing roller.

Wherein, in order to discharge the crushed stones leaked by the leakage net 3 from the cavity of the casing 1 quickly, the casing is prevented from being blocked, and the crushing efficiency of the limestone is improved; the interior of the machine shell 1 is provided with a second guide plate 6, and the second guide plate 6 is communicated with a discharge hole formed in the side wall of the machine shell 1 and used for sending out broken limestone in the machine shell 1.

Wherein, the equipment in the machine shell 1 is convenient to overhaul; and a sealing door 10 is arranged on the outer wall of the machine shell 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The limestone crushing device is characterized by comprising a machine shell (1), wherein a feeding hopper (9) with a sealing cover is arranged on the side wall of the machine shell (1), a primary crushing device is arranged inside the machine shell (1), the primary crushing device comprises a hammering device (4) and a spraying device (7), and the hammering device (4) is longitudinally arranged in the machine shell (1) and is used for beating limestone inside the machine shell (1); the surface of the beaten limestone is sprayed with a dilute acid solution which is used for generating cracks on the limestone and accelerating the limestone cracking through a spraying device (7).

2. The limestone crushing device as claimed in claim 1, wherein the hammering device (4) comprises an electric push rod (4-1), a horizontal plate (4-2) and a plurality of hammering hammers (4-3), the electric push rod (4-1) is longitudinally arranged on the inner top wall of the machine shell (1), the telescopic end of the electric push rod (4-1) is fixedly connected with the top wall of the horizontal plate (4-2), the side wall of the horizontal plate (4-2) is slidably connected with the inner wall of the machine shell (1), the plurality of hammering hammers (4-3) are all arranged on the bottom wall of the horizontal plate (4-2), and the electric push rod (4-1) is electrically connected with a power supply through a first control switch.

3. Limestone breaking device according to claim 2, characterized in that each striking hammer (4-3) is a hammer body of conical structure.

4. The limestone crushing device as claimed in claim 2, wherein the spraying device (7) comprises a dilute acid solution storage device (7-1), a main infusion pipe (7-2), a plurality of sub infusion pipes (7-3), a plurality of spray heads (7-4) and a pressure pump (7-5), the main infusion pipe (7-2) is a silicon rubber hose, one end of the main infusion pipe (7-2) is communicated with a liquid outlet end of the pressure pump (7-5) arranged on the outer top wall of the casing (1), a liquid inlet end of the pressure pump (7-5) is communicated with the dilute acid solution storage device (7-1) arranged on the top of the casing (1), the other end of the main infusion pipe (7-2) is communicated with one end of the plurality of sub infusion pipes (7-3) in a sealing manner, a plurality of through holes are formed in the horizontal plate (4-2), the other end of each transfusion branch pipe (7-3) penetrates through each through hole and is communicated with a plurality of spray heads (7-4) arranged at the bottom of the horizontal plate (4-2), and the pressure pump (7-5) is electrically connected with a power supply through a second control switch.

5. Limestone breaking device according to claim 4, characterized in that said plurality of striking hammers (4-3) are uniformly distributed in a plurality of rows on the bottom surface of the horizontal plate (4-2), said plurality of spraying heads (7-4) being distributed between two adjacent rows.

6. Limestone crushing plant as claimed in claim 1, characterized in that a secondary crushing plant (5) is provided in the casing (1), and the secondary crushing plant (5) is located below a horizontal push-pull plate (2) provided in the casing (1) for secondary crushing of limestone crushed by the primary plant.

7. The limestone crushing device as claimed in claim 6, wherein the secondary crushing device (5) comprises an annular grinding disc (5-1), a crushing roller (5-2), a rotating shaft (5-3) and a rotating motor (5-4), the annular grinding disc (5-1) is fixed on the inner wall of the machine shell (1), the axis of the annular grinding disc (5-1) is coincident with the axis of the crushing roller (5-2) in the cavity of the annular grinding disc (5-1), the bottom of the annular grinding disc (5-1) is provided with a leakage net (3) along the horizontal direction, the rotating shaft (5-3) penetrates into the machine shell (1) from the bottom wall of the machine shell (1) along the longitudinal direction, and the top end of the rotating shaft (5-3) penetrating through the leakage net (3) is fixedly connected with the bottom wall of the crushing roller (5-2), the bottom end of the rotating shaft (5-3) is fixedly connected with an output shaft of a rotating motor (5-4) arranged outside the bottom of the machine shell (1), and the rotating motor (5-4) is electrically connected with a power supply through a third control switch.

8. Limestone breaking device according to claim 7, characterized in that the breaking roller (5-2) is a roller body with a conical structure, and the top surface of the annular grinding disc (5-1) is provided with a first deflector (8).

9. Limestone crushing plant as claimed in claim 1, characterized in that a second deflector (6) is provided inside the casing (1), said second deflector (6) being in communication with a discharge opening provided in the side wall of the casing (1) for feeding out the crushed limestone inside the casing (1).

10. Limestone breaking device according to claim 1, characterized in that on the outer wall of said casing (1) there is provided a sealing door (10).