CN216094013U

CN216094013U - Grinding cylinder and horizontal grinding machine

Info

Publication number: CN216094013U
Application number: CN202121794409.7U
Authority: CN
Inventors: 唐志鹏; 李俊斌
Original assignee: Xi'an Zhongli Asphalt Co ltd
Current assignee: Xi'an Zhongli Asphalt Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-03-22
Anticipated expiration: 2031-08-03

Abstract

The embodiment of the application provides a grinding vessel and horizontal grinding machine, the grinding vessel includes: a grinding cylinder having a grinding cavity; the end cover assembly is arranged at one axial end of the grinding barrel body and provided with a flow guide cavity and a feeding channel, the flow guide cavity penetrates through the end cover assembly along the axial direction of the end cover assembly, the feeding channel is communicated with the flow guide cavity and extends along the radial direction of the end cover assembly, and the grinding cavity is communicated with the flow guide cavity and is positioned at the tail end of a flow guide path in the flow guide cavity. Adopt grinding vessel and horizontal grinding machine of this application embodiment, can avoid the jam of pan feeding.

Description

Grinding cylinder and horizontal grinding machine

Technical Field

The utility model relates to the field of material grinding, in particular to a grinding cylinder and a horizontal grinding machine.

Background

The asphalt ore is used as the main source of industrial asphalt, and is needed to be crushed, ground and processed in the production process, then the processing liquid is added to form liquid natural asphalt slurry, and then wet grinding is carried out on the liquid natural asphalt slurry by utilizing grinding equipment. The horizontal grinding machine is used as grinding equipment, has wide range of processing materials, high processing precision and high production efficiency, and is suitable for grinding the liquid natural asphalt slurry.

However, when the horizontal grinder in the related art adds the liquid natural asphalt slurry, the feeding channel is easily blocked, which results in unsmooth feeding flow, low feeding speed and reduced production efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present disclosure provides a grinding cylinder and a horizontal grinder capable of preventing feed material from blocking.

To achieve the above object, an embodiment of the present application provides a grinding cylinder, including:

a grinding cylinder having a grinding cavity;

the end cover assembly is arranged at one axial end of the grinding barrel body and provided with a flow guide cavity and a feeding channel, the flow guide cavity penetrates through the end cover assembly along the axial direction of the end cover assembly, the feeding channel is communicated with the flow guide cavity and extends along the radial direction of the end cover assembly, and the grinding cavity is communicated with the flow guide cavity and is positioned at the tail end of a flow guide path in the flow guide cavity.

In one embodiment, the end cover assembly further comprises an end cover and a feeding straight pipe, the end cover is provided with the flow guide cavity and a first channel communicated with the flow guide cavity, the first channel extends along the radial direction of the end cover, the feeding straight pipe is provided with a second channel, the feeding straight pipe is fixedly connected with the end cover, and the first channel and the second channel are communicated to form the feeding channel together.

In one embodiment, the feed straight tube is located at the top of the end cap.

In one embodiment, the inlet channel is gradually enlarged from a side communicating with the diversion cavity to a side away from the diversion cavity.

In one embodiment, the flow guide cavity is gradually enlarged from a side far away from the grinding cavity to a side close to the grinding cavity.

In one embodiment, the bottom wall of the diversion cavity is arranged to slope downward from the side far away from the grinding cavity to the side close to the grinding cavity.

In one embodiment, the top wall of the diversion cavity is inclined upward from the side far away from the grinding cavity to the side close to the grinding cavity.

In one embodiment, the flow guide cavity is of a truncated cone shape.

The embodiment of the application also provides a horizontal grinder which comprises a sealing element, a stirring shaft and the grinding cylinder; the sealing element is provided with a mounting hole which axially penetrates through the sealing element, the sealing element is arranged at an opening of the diversion cavity far away from one side of the grinding cavity in a penetrating manner, and the stirring shaft penetrates through the mounting hole and extends into the grinding cavity.

In one embodiment, the horizontal grinding mill further comprises a heat conducting device disposed outside the grinding drum, the heat conducting device being configured to conduct heat to the grinding drum.

The application provides a grinding vessel and horizontal grinding machine, this grinding vessel includes grinding vessel body and end cover subassembly, wherein, the end cover subassembly has water conservancy diversion chamber and pan feeding passageway, the water conservancy diversion chamber runs through the end cover subassembly along the axial of end cover subassembly, the pan feeding passageway just follows the radial extension of end cover subassembly with water conservancy diversion chamber intercommunication, that is to say, liquid natural asphalt slurry circulation can not pass through crooked passageway, the adding of grinding medium can not be obstructed yet, the pan feeding passageway can not block up. The grinding cavity is communicated with the flow guide cavity and is positioned at the tail end of the flow guide path in the flow guide cavity, namely, the flow guide cavity of the end cover assembly is of a flow guide structure, and when materials such as liquid natural asphalt slurry or grinding media enter the flow guide cavity from the feeding channel, the flow guide cavity can play a flow guide effect. To the horizontal grinding machine that adopts this grinding vessel, in process of production, along the pan feeding passageway and the water conservancy diversion chamber of the radial extension of end cover subassembly can accelerate the material and enter into the grinding chamber, alleviate the pressure that the water conservancy diversion chamber holds the material temporarily for the speed of pan feeding passageway department pan feeding, prevent and control the material circulation and lead to piling up the jam slowly.

Drawings

Fig. 1 is a front view of a grinding cylinder provided in an embodiment of the present application;

FIG. 2 is a block diagram of the end cap assembly shown in FIG. 1;

FIG. 3 is a front view of a partial structure of a horizontal grinding machine according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of fig. 3.

Reference numerals: a grinding cylinder 10; an end cap assembly 11; a feeding channel 11 a; an end cap 111; a diversion cavity 11 b; a first passage 111 a; a feeding straight pipe 112; a second channel 112 a; a grinding cylinder 12; a grinding chamber 12 a; a seal member 20; a stirring shaft 30; a heat conducting means 40; a heat conduction chamber 40 a; a conduction oil inlet 40 b; and a conduction oil outlet 40 c.

Detailed Description

The present application will now be described in further detail with reference to the accompanying drawings and specific examples.

It should be noted that, in the case of no conflict, the technical features in the examples and examples of the present application may be combined with each other, and the detailed description in the specific embodiments should be interpreted as an explanation of the gist of the present application and should not be construed as an improper limitation of the present application.

In the description of the present application, the "up" and "down" orientations or positional relationships are based on the orientation or positional relationship shown in fig. 1, wherein the "top" is the up direction of fig. 1 and the "bottom" is the down direction of fig. 1, it being understood that these orientation terms are merely for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.

For convenience of description, in the examples of the present application, a horizontal grinder is used to grind a liquid natural asphalt slurry. It is understood that the horizontal mill can also grind other solid or liquid materials, and is not limited herein.

In one aspect, a grinding cylinder 10 is provided, and referring to fig. 1 and 4, the grinding cylinder 10 includes a grinding cylinder body 12 having a grinding chamber 12a and an end cap assembly 11. The end cover assembly 11 is arranged at one axial end of the grinding cylinder 12, the end cover assembly 11 is provided with a flow guide cavity 11b and a feeding channel 11a, the flow guide cavity 11b penetrates through the end cover assembly 11 along the axial direction of the end cover assembly 11, the feeding channel 11a is communicated with the flow guide cavity 11b and extends along the radial direction of the end cover assembly 11, and the grinding cavity 12a is communicated with the flow guide cavity 11b and is positioned at the tail end of a flow guide path in the flow guide cavity 11 b.

In another aspect, the present invention provides a horizontal grinder, referring to fig. 3 to 4, comprising a sealing member 20, a stirring shaft 30 and the grinding cylinder 10; the sealing element 20 is provided with a mounting hole which axially penetrates through the sealing element 20, the sealing element 20 is arranged at an opening of one side of the diversion cavity 11b far away from the grinding cavity 12a in a penetrating mode, and the stirring shaft 30 penetrates through the mounting hole and extends into the grinding cavity 12 a.

In a horizontal grinder in the related art, a 90-degree bent pipe is generally arranged on an end face of an end cover to serve as a feeding channel, that is, the feeding channel is bent from one side of the end cover by 90 degrees and then enters a grinding cylinder, so that liquid natural asphalt slurry or grinding media is easily blocked at the bent part of the feeding channel, thereby causing unsmooth circulation of the liquid natural asphalt slurry and difficulty in adding the grinding media.

The feeding channel 11a of the embodiment of the present application is communicated with the diversion cavity 11b and extends along the radial direction of the end cover assembly 11, that is, both the liquid natural asphalt slurry and the grinding medium can directly flow into the diversion cavity 11b along the feeding channel 11a extending along the radial direction, without passing through the curved passage, and referring to fig. 4, the diversion cavity 11b of the end cap assembly 11 of the embodiment of the present application is a diversion structure, when the liquid natural asphalt slurry or the grinding medium enters the diversion cavity 11b from the feeding channel 11a, the conducting chamber 11b may conduct liquid natural asphalt slurry or grinding media into the grinding chamber 12a, therefore, the pressure of the diversion cavity 11b for temporarily containing the liquid natural asphalt slurry or the grinding medium can be relieved, the flowing speed of the liquid natural asphalt slurry or the grinding medium at the feeding channel 11a is increased, and the problem of accumulation and blockage caused by slow circulation of the liquid natural asphalt slurry or the grinding medium is prevented.

In addition, referring to fig. 4, since the sealing element 20 of the horizontal grinder is located at a side of the diversion cavity 11b far from the grinding cavity 12a, and the diversion cavity 11b has a diversion effect, the liquid natural asphalt slurry or the grinding medium flows toward the side of the grinding cavity 12a along a diversion path after entering the diversion cavity 11b, thereby preventing the liquid natural asphalt slurry or the grinding medium from damaging the sealing element 20.

In an embodiment, referring to fig. 1 and fig. 2, the end cover assembly 11 further includes an end cover 111 and a feeding straight tube 112, the end cover 111 has a guiding cavity 11b and a first channel 111a communicated with the guiding cavity 11b, the first channel 111a extends along a radial direction of the end cover 111, the feeding straight tube 112 has a second channel 112a, the feeding straight tube 112 is fixedly connected with the end cover 111, and the first channel 111a and the second channel 112a are communicated to form the feeding channel 11a together. That is, the feeding straight pipe 112 is a hollow straight pipe.

In one embodiment, referring to fig. 1 to 4, the feeding straight pipe 112 of the present embodiment is located on the top of the end cover 111, thereby facilitating the addition of the liquid natural asphalt slurry.

In some embodiments, the feeding straight tube 112 may also be disposed at other positions of the end cover 111 according to actual needs, and the feeding straight tube 112 may be vertically or obliquely inserted into the end cover 111 without limitation, so as to meet requirements of different feeding positions under different conditions while ensuring smooth feeding.

In some embodiments, the feeding channel 11a of the present application is gradually enlarged from the side communicating with the diversion cavity 11b toward the side away from the diversion cavity 11b, thereby preventing the feeding channel from being blocked when grinding media are added.

In an embodiment, referring to fig. 4, the diversion cavity 11b of the embodiment gradually expands from a side away from the grinding cavity 12a to a side close to the grinding cavity 12 a.

Specifically, the diversion cavity 11b of this embodiment has a bigger volume near the grinding cavity 12a side, and the enlarged cavity setting can guarantee that the circulation of liquid natural asphalt slurry is more smooth, and the pan feeding speed is faster.

In one embodiment, referring to fig. 4, the bottom wall of the guiding chamber 11b is inclined downward from the side far away from the grinding chamber 12a to the side close to the grinding chamber 12 a.

Specifically, the bottom wall of the diversion cavity 11b, which is connected to the grinding cavity 12a, may be aligned with the bottom wall of the grinding cavity 12a, or may be located higher than the bottom wall of the grinding cavity 12 a. The diapire of water conservancy diversion chamber 11b is from keeping away from one side downward sloping setting of grinding chamber 12a towards the one side that is close to grinding chamber 12a of grinding chamber 12a, can guarantee that liquid natural asphalt thick liquids get into water conservancy diversion chamber 11b after, can promote liquid natural asphalt thick liquids to flow towards the direction of grinding chamber 12a under the effect of gravity, from this, can improve water conservancy diversion chamber 11 b's water conservancy diversion effect greatly, avoids liquid natural asphalt thick liquids to silt up in water conservancy diversion chamber 11b simultaneously.

In an embodiment, referring to fig. 4, the top wall of the diversion cavity 11b is inclined upward from the side far away from the grinding cavity 12a to the side close to the grinding cavity 12a, so that the effect of the diversion cavity 11b expanding toward the grinding cavity 12a can be further enhanced, the circulation of the liquid natural asphalt slurry is accelerated, and the production efficiency is improved.

In some embodiments, the top wall of the diversion cavity 11b may also be parallel to the axis of the end cap 111.

In an embodiment, referring to fig. 2 and 4, the diversion cavity 11b may be a circular truncated cone.

In some embodiments, the diversion cavity 11b may also be a truncated pyramid shape that expands toward the grinding cavity 12a side.

In one embodiment, referring to fig. 4, the horizontal grinder further includes a heat conducting device 40 disposed outside the grinding cylinder 12, wherein the heat conducting device 40 is configured to conduct heat to the grinding cylinder 12.

Specifically, since the natural asphalt in the liquid natural asphalt slurry is solid or semi-solid at normal temperature and is slurry at high temperature, the heat conduction device 40 needs to be used to continuously heat the liquid natural asphalt slurry in the grinding cylinder 12 during the grinding process to prevent the liquid natural asphalt slurry from solidifying.

For example, referring to fig. 4, in an embodiment, the heat conducting device 40 is a heat conducting cavity 40a disposed outside the grinding cylinder, and during heating, heat conducting oil can be injected into the heat conducting cavity 40a from a heat conducting oil inlet 40b, so as to heat the grinding cylinder, and when the heat conducting oil needs to be replaced, the heat conducting oil can be led out from a heat conducting oil outlet 40c, and new heat conducting oil is added from a heat conducting oil inlet 40b, so as to maintain the grinding temperature required by the liquid natural asphalt slurry during grinding.

In another embodiment, the heat conducting device 40 may also be a heat conducting pipe surrounding the outer wall of the grinding cylinder 10, and the heat conducting pipe is filled with heat conducting oil, or the heat conducting device 40 may also be a resistance wire surrounding the outer wall of the grinding cylinder 10, and the resistance wire can conduct heat to the grinding cylinder 10 after being electrified.

The above description is only for the specific embodiments of the present application and is not intended to limit the present application, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure and shall be covered by the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A grinding cylinder, characterized in that it comprises:

a grinding cylinder having a grinding cavity;

2. A grinding vessel as defined in claim 1, wherein the end cap assembly further includes an end cap and a feed straight tube, the end cap having the diversion chamber and a first channel communicating with the diversion chamber, the first channel extending radially of the end cap, the feed straight tube having a second channel, the feed straight tube fixedly connected to the end cap, the first channel and the second channel communicating to collectively form the feed channel.

3. A grinding cylinder according to claim 2, characterized in that the feed straight tube is located at the top of the end cap.

4. A grinding mill according to any of claims 1 to 3, wherein the inlet channel is progressively enlarged from a side communicating with the diversion chamber towards a side remote from the diversion chamber.

5. A grinding mill according to any of claims 1 to 3, wherein the deflector chamber is progressively enlarged from a side remote from the grinding chamber to a side adjacent the grinding chamber.

6. A grinding bowl according to claim 5, wherein the bottom wall of the deflector chamber is inclined downwardly from a side remote from the grinding chamber to a side adjacent to the grinding chamber.

7. A grinding bowl according to claim 5, wherein the top wall of the deflector chamber is inclined upwardly from a side remote from the grinding chamber to a side adjacent to the grinding chamber.

8. A grinding cylinder according to claim 5, characterized in that the deflector chamber is of the truncated cone type.

9. A horizontal grinding mill comprising a seal, a stirring shaft and a grinding cylinder according to any one of claims 1 to 8; the sealing element is provided with a mounting hole which axially penetrates through the sealing element, the sealing element is arranged at an opening of the diversion cavity far away from one side of the grinding cavity in a penetrating manner, and the stirring shaft penetrates through the mounting hole and extends into the grinding cavity.

10. The horizontal grinding mill of claim 9, further comprising a heat conducting device disposed outside the grinding drum, the heat conducting device being configured to conduct heat to the grinding drum.