CN214717146U

CN214717146U - Zero-position tank and grinding production system

Info

Publication number: CN214717146U
Application number: CN202022387449.1U
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: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-11-16
Anticipated expiration: 2030-10-23

Abstract

The embodiment of the application discloses zero-position jar and grinding production system includes: a tank body; the tank body comprises a side wall, a top plate, a bottom plate, a feeding hole and a discharging hole; the top plate and the bottom plate are arranged oppositely, the side wall is arranged between the top plate and the bottom plate in an enclosing mode, the feed inlet is arranged at the top of the top plate or the side wall, and the discharge outlet is arranged at the bottom of the side wall; the stirring device comprises a stirring motor, a stirring shaft which is inserted into the tank body and driven by the stirring motor, and stirring paddles arranged on the stirring shaft, wherein the horizontal height of at least one group of stirring paddles is lower than that of the discharge port; and the discharging monitoring device comprises a liquid level sensor and a control valve, the liquid level sensor can sense the material in the tank body, the control valve is connected with the discharging port, and the liquid level sensor is in signal connection with the control valve. The zero-position tank and the grinding production system have the advantage of saving manpower.

Description

Zero-position tank and grinding production system

Technical Field

The application relates to grind storage utensil, especially relates to a zero-bit jar and grinding production system.

Background

The grinding equipment mainly comprises two types of dry grinding and wet grinding, wherein the dry grinding equipment comprises a Raymond mill, a draw bar mill, a roller mill, a ball mill, an air flow mill and the like, and the wet grinding equipment such as the ball mill, a tube mill, a rod mill and the like respectively has respective advantages and disadvantages. Particularly, in the production of natural asphalt, in order to ensure the product performance and achieve continuous large-scale production, the ground materials need to be transported while grinding.

The discharge capacity of a single grinding machine is not large usually, and the ground materials need to be collected into a zero-position tank to be used as transfer. In the prior art, the liquid level is generally monitored manually by the zero-position tank, the zero-position tank receives the natural asphalt mixed slurry from the grinding mill, whether the mixed slurry in the zero-position tank reaches a preset value or not is observed manually, when a preset reserve is reached, the mixed slurry in the zero-position tank is discharged to the storage tank or the finished product tank manually, and a large amount of manpower is consumed.

Disclosure of Invention

In view of the above, it is desirable to provide a zero-position tank and a grinding production system to solve the problem of labor consumption.

In order to achieve the above purpose, the technical solution of the embodiment of the present application is implemented as follows:

a zero-position tank, comprising: a tank body; the tank body comprises a side wall, a top plate, a bottom plate, a feeding hole and a discharging hole; the top plate and the bottom plate are oppositely arranged, the side wall is arranged between the top plate and the bottom plate in an enclosing mode, the feed inlet is arranged at the top of the top plate or the top of the side wall, and the discharge outlet is arranged at the bottom of the side wall; the stirring device comprises a stirring motor, a stirring shaft which is inserted into the tank body and driven by the stirring motor, and stirring paddles arranged on the stirring shaft, wherein the horizontal height of at least one group of stirring paddles is lower than that of the discharge port; and the discharge monitoring device comprises a liquid level sensor and a control valve, the liquid level sensor can sense the material in the tank body, the control valve is connected with the discharge port, and the liquid level sensor is in signal connection with the control valve.

Further, the zero-position tank comprises a heating device which is arranged on the side wall and used for heating the materials in the tank body.

Further, the heating device is an electric heating device.

Further, the heating device is an oil guide channel with an oil inlet and an oil outlet, and the heating device is configured to enable heat conduction oil to flow from the oil inlet to the oil outlet along the circumferential direction of the tank body in a spiral mode.

Further, heating device is the coil pipe, heating device spirals the welding and is in the outside or the inboard of lateral wall, heating device with the feed inlet and the setting of staggering of discharge gate.

Further, the side wall sequentially comprises an outer wall layer and an inner wall layer which are arranged in a clinging manner from outside to inside; the inner wall of the outer wall layer is provided with a spiral first groove, and/or the outer wall of the inner wall layer is provided with a spiral second groove; the first slot and/or the second slot form the heating device, the oil inlet is fixed on the outer wall layer and is communicated with the first slot and/or the second slot, and the oil outlet is fixed on the outer wall layer and is communicated with the first slot and/or the second slot.

Further, the liquid level sensor is a photosensitive sensor or a pressure-sensitive sensor.

Further, the stirring device comprises a speed reducer, and the stirring motor drives the stirring shaft to rotate through the speed reducer.

Furthermore, each group of the stirring paddles comprises a plurality of blades distributed along the circumferential direction of the stirring shaft, and the blades of the stirring paddles are arranged in a staggered manner along the axial direction of the stirring shaft and are adjacent to each other.

Further, the zero tank includes a viewing window disposed on the top plate.

A grinding production system comprises a plurality of groups of grinding machines, a plurality of conveying pumps, a storage tank, a batching tank, a finished product tank and the zero-position tank; the discharge ends of the grinding machines are communicated with the feed inlet of the zero-position tank through a pipeline, and the control valve of the feed inlet of the zero-position tank is connected with the storage tank through a pipeline; the storage jar the batching jar and finished product jar pipe connection in proper order, the zero-bit jar with on the pipeline between the storage jar with on the pipeline between the batching jar and the batching jar with be provided with on the pipeline between the finished product jar respectively the delivery pump.

The zero-position tank and the grinding production system are provided with a tank body, a stirring device and a discharging monitoring device; the stirring device comprises a stirring motor, a stirring shaft which is inserted into the tank body and driven by the stirring motor, and a stirring paddle arranged on the stirring shaft. The discharging monitoring device comprises a liquid level sensor and a control valve; the liquid level sensor can sense materials in the tank body, and the liquid level sensor is in signal connection with the control valve. When the material of storage in jar internal reaches a certain amount, the control valve communicates discharge gate and outside according to the signal automation that level sensor sent, and the material of storage in jar internal can concentrate the transit to next storage part, and then realizes the function of transit storage. In the whole process, personnel on-site supervision is not needed, intelligent management is facilitated, and manpower is saved.

Drawings

FIG. 1 is a schematic diagram of a zero tank according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a tank and a heating device according to an embodiment of the present disclosure, in which a material inlet and a material outlet are omitted;

FIG. 3 is a schematic structural view of a tank and a heating device according to another embodiment of the present disclosure, wherein a material inlet and a material outlet are omitted;

FIG. 4 is a schematic structural diagram of a tank and a heating device according to yet another embodiment of the present disclosure, in which a material inlet and a material outlet are omitted;

fig. 5 is a schematic view of a polishing system according to an embodiment of the present disclosure.

Detailed Description

It should be noted that, in the case of 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 present application and should not be construed as an improper limitation of the present application.

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

As shown in fig. 1 to 4, a zero-position tank 100 includes a tank body 1, a stirring device 2 and a discharge monitoring device 4.

The tank 1 is generally vertically disposed and may include a side wall 11, a top plate 12, a bottom plate 13, a feed inlet 14, and a discharge outlet 15. Wherein the top plate 12 is disposed opposite the bottom plate 13, and the side wall 11 is enclosed between the top plate 12 and the bottom plate 13 to form a closed cylindrical cavity, which can be used to contain ground material, such as asphalt, etc., from the grinding machine 91 (mentioned below). The stirring device 2 comprises a stirring motor 23, a stirring shaft 21 inserted into the tank 1 and driven by the stirring motor 23, and a stirring paddle 22 arranged on the stirring shaft 21.

Specifically, the material is natural asphalt mixed slurry as an example, the feed port 14 may be disposed on the top plate 12 or the top of the sidewall 11, and the feed port 14 communicates the outside with the inside of the tank body 1 to facilitate feeding of the material ground by the grinder 91; the discharge port 15 is arranged at the bottom of the side wall 11; the material height is advanced and is gone out lowly, and the material is gone into jar body 1 from the feed inlet 14 pump of top and is saved, and it is rotatory to drive (mixing) shaft 21 through agitator motor 23, drives stirring rake 22 and stirs the material, makes it keep certain mobility, ensures that the nature of material does not change, prevents the circumstances such as caking, sediment. The material stored in the interior of the tank 1 may pass through a lower discharge port 15. And (4) discharging. Each group of the stirring paddles (22) comprises a plurality of blades distributed along the circumferential direction of the stirring shaft (21), and the blades of the adjacent stirring paddles (22) are arranged on the stirring shaft (21) in a staggered mode along the axial direction of the stirring shaft (21) so that the stirring paddles (22) can stir uniformly.

The discharge monitoring device 4 comprises a level sensor 41 and a control valve 42. The liquid level sensor 41 may be a photosensitive sensor or a pressure-sensitive sensor, so as to convert parameters such as the quality, pressure, liquid level position and the like of the material inside the tank body 1 into electric signals for output. The control valve 42 is an electric control valve to facilitate intelligent control. The control valve 42 can also be an electric control manual double control valve, and the control valve 42 can be controlled in a manual mode while being controlled intelligently, so that the maintenance or the emergency replacement can be facilitated.

Control valve 42 is connected with discharge gate 15, and control valve 42 disconnection, discharge gate 15 and outside disconnection, and the material that grinds is saved in jar body 1. The liquid level sensor 41 can sense the material in the tank body 1, and the liquid level sensor 41 is in signal connection with the control valve 42.

Specifically, when the material stored in the tank 1 reaches a certain amount, the control valve 42 automatically communicates the discharge port 15 with the outside according to the signal sent by the liquid level sensor 41, and the material stored in the tank 1 can be collectively transferred to the next storage part, for example, the storage tank 93 (mentioned below), so as to realize the function of transfer storage. In the whole process, personnel on-site supervision is not needed, intelligent management is facilitated, and manpower is saved. Of course, the zero-position tank 100 can also comprise a viewing window 5, and the viewing window 5 is arranged on the top plate 12, so that the intelligent management and the manual observation are facilitated.

The level of at least one group of stirring paddles 22 is lower than the level of the discharge port 15; so that the stirring paddle 22 can stir the materials near the discharge port 15, and prevent the materials from accumulating at the discharge port 15 to form hardening, which affects the outflow of the materials; in addition, when control valve 42 intercommunication discharge gate 15 and outside, the material of storage in jar body 1 concentrates the in-process of transporting, can open agitating unit 2 in step, and the stirring rake 22 that utilizes the level that is less than discharge gate 15 is rotatory, and the mobility of the within range material of increase discharge gate 15 for the material flows more smoothly.

In a possible embodiment, as shown in fig. 1 to 4, the zero-position tank comprises a heating device 3, and the heating device 3 is arranged on the side wall 11 and is used for heating the material in the tank body 1 so as to improve the fluidity of the material and effectively prevent the property of the material from changing.

In a possible embodiment, the heating device 3 may be an electric heating device, such as a ceramic heating tube, a resistance wire heater, etc., and the heating device 3 is wound on the sidewall 11 along the circumferential direction, or the heating device 3 is vertically disposed and uniformly distributed on the sidewall 11 along the circumferential direction, specifically based on the actual design.

1-4, the heating device 3 is an oil guiding channel having an oil inlet 31 and an oil outlet 32, and the heating device 3 is configured to circulate heat conducting oil from the oil inlet 31 to the oil outlet 32 along the circumferential direction of the tank 1. It can be understood that the circling means that at least part of the heat conduction oil bypasses the tank body 1 for at least one circle from the oil inlet 31 and then reaches the oil outlet 32, the heat conduction oil heats the area of the passing side wall 11 in the bypassing process, the flowing path of the heat conduction oil is prolonged, and the uniform heating of the tank body 1 is ensured, so that the temperature stability of the materials in the transferring and storing process is maintained, the flowability of the materials is improved, and the property change of the materials is effectively prevented.

One possible embodiment, as shown in fig. 4, the heating device 3 is an independent coil, the inside of the coil is heated by introducing heat-conducting oil as an oil guide channel, the two ends of the coil are respectively an oil inlet 31 and an oil outlet 32, the heating device 3 is spirally welded on the outer side or the inner side of the side wall 11, after the heat-conducting oil is introduced, the heat-conducting oil heats the heating coil, and further transfers the heat to the side wall 11 welded with the coil, so as to ensure the uniform heating of the tank body 1, thereby maintaining the temperature stability of the material in the transfer storage process, improving the fluidity of the material, and effectively preventing the property of the material from changing.

The heating device 3 should be arranged offset to the inlet 14 and the outlet 15 in the structure that is welded to the side wall 11 in a spiral manner, in order to avoid interference.

In one possible embodiment, as shown in fig. 1 to 3, the sidewall 11 comprises an outer wall layer 111 and an inner wall layer 112, which are closely arranged from outside to inside.

The inner wall of the outer wall layer 111 is provided with a spiral first groove 113, the outer wall layer 111 and the inner wall layer 112 are arranged in a close fit manner, the first groove 113 is formed into a closed groove body, the first groove 113 spirally rises along the circumferential direction, the heating device 3 is formed by the first groove 113, and two ends of the heating device 3 are respectively communicated with the oil inlet 31 and the oil outlet 32; the heat conduction oil enters the heating device 3 along the spiral from the oil inlet 31, moves along the circumferential direction, and rises vertically, so that all parts of the inner wall layer 112 are heated, and the materials in the zero-position tank 100 are uniformly heated.

Similarly, the outer wall of the inner wall layer 112 has a spiral second slot 114; because the outer wall layer 111 and the inner wall layer 112 are closely arranged, the second slot 114 is formed into a closed groove body, the second slot 114 spirally rises along the circumferential direction, the heating device 3 is formed by the second slot 114, and two ends of the heating device 3 are respectively communicated with the oil inlet 31 and the oil outlet 32; the heat conduction oil enters the heating device 3 along the spiral from the oil inlet 31, moves along the circumferential direction, and rises vertically, so that all parts of the inner wall layer 112 are heated, and the materials in the zero-position tank 100 are uniformly heated.

It is understood that the first slot 113 and the second slot 114 may be separately provided or may be provided together, the first slot 113 and/or the second slot 114 may form the heating device 3, the oil inlet 31 is fixed on the outer wall layer 111 and is communicated with the first slot 113 and/or the second slot 114, and the oil outlet 32 is fixed on the outer wall layer 111 and is communicated with the first slot 113 and/or the second slot 114, so as to introduce the heat transfer oil. It should be understood that the oil inlet 31 and the oil outlet 32 are similar in structure and can be replaced with each other in function, that is, relatively hot heat conducting oil can be introduced from the oil outlet 32, and cooled heat conducting oil flows out from the oil inlet 31; or hot heat conducting oil can be introduced from the oil inlet 31, and cooled heat conducting oil flows out from the oil outlet 32; the concrete application is subject to practical application.

In a possible embodiment, as shown in fig. 1, the stirring device 2 includes a speed reducer 24, and the stirring motor 23 drives the stirring shaft 21 to rotate through the speed reducer 24, so that the rotation torque of the stirring shaft 21 is large, and the stirring paddle 22 can be forcefully driven to stir the material in the tank body 1, so that a certain fluidity is maintained, and the property of the material is ensured not to change.

A grinding production system comprises a plurality of groups of grinding mills 91, a plurality of delivery pumps 92, a storage tank 93, a batching tank 94, a finished product tank 95 and the zero-position tank 100.

Specifically, the discharge ends (not shown) of the multiple sets of grinding mills 91 are communicated with the feed inlet 14 of the null-position tank 100 through a pipeline 91a, wherein a filter 91b can be arranged on the pipeline 91a to filter ground materials and prevent impurities from entering the null-position tank 100; the control valve 42 of the feed inlet 14 of the zero-position tank 100 is connected with the storage tank 93 through a pipeline 93a, after the materials transferred and stored in the zero-position tank 100 reach a certain amount, the control valve 42 automatically communicates the discharge port 15 of the zero-position tank 100 with the storage tank 93 according to signals sent by the liquid level sensor 41, and the materials stored in the tank body 1 can be transferred to the next storage tank 93 in a centralized manner. The storage tank 93, the batching tank 94 and the finished product tank 95 are sequentially connected by pipelines.

It can be understood that because the output of a single grinding machine 91 is small, each zero-position tank 100 can be connected to multiple grinding machines 91 at the same time, and then connected to the storage tank 93 through the pipeline 93a, if multiple grinding machines 91 are directly connected to the storage tank 93, the pipeline is too long, the pumping load is large, and the pipeline 93a is changed from one to multiple, which increases the equipment cost and the maintenance difficulty.

The zero-position tank 100 is used for transferring and storing ground materials, and the zero-position tank 100 can be selectively arranged below the ground level as required, but can also be arranged above the ground level; the storage tank 93 is used for storing ground materials, the dosing tank 94 is used for adding other materials, additives and stabilizers into the ground materials according to a set proportion to produce finished products, and the finished product tank 95 is used for storing the finished products.

A transfer pump 92 is provided on the conduit 93a between the zero-position tank 100 and the storage tank 93, on the conduit 93b between the storage tank 93 and the dosing tank 94, and on the conduit 94a between the dosing tank 94 and the product tank 95, respectively, to provide pumping power for the transfer of material between the various sections.

The various embodiments/implementations provided herein may be combined with each other without contradiction.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A zero-position tank, comprising:

a tank body (1); the tank body (1) comprises a side wall (11), a top plate (12), a bottom plate (13), a feeding hole (14) and a discharging hole (15); the top plate (12) and the bottom plate (13) are arranged oppositely, the side wall (11) is arranged between the top plate (12) and the bottom plate (13) in a surrounding mode, the feed inlet (14) is arranged at the top of the top plate (12) or the side wall (11), and the discharge outlet (15) is arranged at the bottom of the side wall (11);

the stirring device (2) comprises a stirring motor (23), a stirring shaft (21) which is inserted into the tank body (1) and driven by the stirring motor (23), and stirring paddles (22) arranged on the stirring shaft (21), wherein the horizontal height of at least one group of stirring paddles (22) is lower than that of the discharge hole (15);

and a discharge monitoring device (4), the discharge monitoring device (4) comprises a liquid level sensor (41) and a control valve (42), the liquid level sensor (41) can sense the material in the tank body (1), the control valve (42) is connected with the discharge hole (15), and the liquid level sensor (41) is in signal connection with the control valve (42).

2. The null pot according to claim 1, characterized in that it comprises heating means (3), said heating means (3) being arranged on said lateral wall (11) for heating the material inside said pot (1).

3. The null tank as claimed in claim 2, characterized in that the heating device (3) is an oil guiding channel having an oil inlet (31) and an oil outlet (32), the heating device (3) being configured such that heat conducting oil spirals from the oil inlet (31) along the circumference of the tank (1) towards the oil outlet (32).

4. The null pot according to claim 2, characterized in that the heating means (3) are electric heating means.

5. The null pot as claimed in claim 3, characterized in that said heating means (3) is a coil, said heating means (3) is spirally welded on the outer or inner side of said side wall (11), said heating means (3) is arranged offset from said inlet (14) and said outlet (15).

6. The zero-position tank as claimed in claim 3, characterized in that the side wall (11) comprises an outer wall layer (111) and an inner wall layer (112) which are arranged closely to each other from outside to inside;

the inner wall of the outer wall layer (111) is provided with a spiral first slot (113), and/or the outer wall of the inner wall layer (112) is provided with a spiral second slot (114);

the first slot (113) and/or the second slot (114) form the heating device (3), the oil inlet (31) is fixed on the outer wall layer (111) and is communicated with the first slot (113) and/or the second slot (114), and the oil outlet (32) is fixed on the outer wall layer (111) and is communicated with the first slot (113) and/or the second slot (114).

7. The null tank according to any one of claims 1 to 4, characterized in that said level sensor (41) is a pressure-sensitive sensor.

8. The null pot according to any of the claims 1 to 4, characterized in that said stirring device (2) comprises a speed reducer (24), said stirring motor (23) driving said stirring axle (21) in rotation through said speed reducer (24).

9. The null pot according to any one of claims 1 to 4, characterized in that each set of said paddles (22) comprises a plurality of blades distributed along the circumferential direction of said stirring shaft (21), the blades of adjacent paddles (22) being arranged in a staggered manner along the axial direction of said stirring shaft (21).

10. The null pot according to any one of claims 1 to 4, characterized in that it comprises a viewing window (5), said viewing window (5) being provided on said top plate (12).

11. A grinding production system, characterized in that it comprises a plurality of sets of grinding mills (91), a plurality of delivery pumps (92), a storage tank (93), a dosing tank (94), a product tank (95) and a zero tank (100) according to any of claims 1 to 10;

the discharge ends of the multiple groups of grinding mills (91) are communicated with the feed inlet (14) of the zero-position tank (100) through a pipeline, and the control valve (42) of the feed inlet (14) of the zero-position tank (100) is connected with the storage tank (93) through a pipeline;

storage jar (93) batching jar (94) and finished product jar (95) tube coupling in proper order, zero-position jar (100) with on the pipeline between storage jar (93) with on the pipeline between batching jar (94) and batching jar (94) with be provided with on the pipeline between finished product jar (95) respectively delivery pump (92).