CN112791462A - Control system and method for settling tank raking machine - Google Patents
Control system and method for settling tank raking machine Download PDFInfo
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- CN112791462A CN112791462A CN202110142926.4A CN202110142926A CN112791462A CN 112791462 A CN112791462 A CN 112791462A CN 202110142926 A CN202110142926 A CN 202110142926A CN 112791462 A CN112791462 A CN 112791462A
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- raking machine
- raker
- set value
- settler
- raking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/30—Control equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/30—Control equipment
- B01D21/302—Active control mechanisms with external energy, e.g. with solenoid valve
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Control Of Conveyors (AREA)
- Centrifugal Separators (AREA)
Abstract
The utility model discloses a control system and a method for a settling tank raking machine, which comprises the following steps: the collecting device is used for collecting the running torque information of the raking machine; and the controller is used for controlling the lifting or descending of the raking machine according to the collected running torque information of the raking machine. The lifting and descending of the raking machine are controlled by detecting the running torque of the raking machine, so that the automatic control of the operation of the raking machine is realized, and the control process is simple.
Description
Technical Field
The invention relates to the technical field of coal chemical industry, in particular to a control system and method of a settling tank raking machine.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The settling tank raking machine is a continuously working concentrating and clarifying equipment, the main body of the equipment consists of a driving machine, a speed reducer, a main shaft, a rake arm, a rake lifting device and the like, and the equipment is widely applied to concentration and purification of solid slurry in coal, steel, chemical industry, building materials, water sources, sewage treatment and the like.
For large industrial parks, the lack of water resources has severely restricted the development of the industrial park. In order to better ensure the recycling of water resources, in an industrial park, particularly in sewage treatment in the pulverized coal gasification industry, a settling tank raking machine is used as important key equipment for solid-liquid separation of sewage treatment, the automation degree of the control mode directly reflects the sewage treatment capacity, the settling tank raking machine is used for quickly separating, settling and discharging slag from water, and separated clear water is recycled after further treatment.
Disclosure of Invention
The invention provides a control system and a control method for a settling tank raking machine, which aim to solve the problems.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
in a first aspect, a control system for a settling tank raking machine is provided, which includes:
the collecting device is used for collecting the running torque information of the raking machine;
and the controller is used for controlling the lifting or descending of the raking machine according to the collected running torque information of the raking machine.
Further, when the operating torque of the raking machine reaches a set value A, the controller controls the raking machine to lift; when the operating torque of the raking machine is reduced to a set value B, the controller controls the raking machine to stop lifting; when the operating torque of the raking machine is reduced to a set value C, the controller controls the raking machine to descend; when the moment rising rate of the raking machine reaches a set value D, the controller controls the raking machine to stop descending.
In a second aspect, a control method for a settler raking machine is provided, which includes:
collecting running torque information of a raking machine;
when the operating torque of the raking machine reaches a set value A, lifting the raking machine;
when the operating torque of the raking machine is reduced to a set value B, the raking machine stops lifting;
when the operating torque of the raking machine is reduced to a set value C, the raking machine descends;
when the ascending rate of the operating torque of the raking machine reaches a set value D, the raking machine stops descending.
In a third aspect, an electronic device is provided, comprising a memory and a processor, and computer instructions stored on the memory and executed on the processor, wherein the computer instructions, when executed by the processor, perform the steps of a control method for a settler raker.
In a fourth aspect, a computer readable storage medium is provided for storing computer instructions which, when executed by a processor, perform the steps of a method of controlling a settler raker.
Compared with the prior art, the beneficial effect of this disclosure is:
1. the lifting and descending of the raking machine are controlled by detecting the running torque of the raking machine, so that the automatic control of the raking machine is realized, and the control process is simple.
2. This openly carries out sectional control to promoting with descending process according to the running torque of harrow material machine, when breaking down, can combine the period that the trouble appears to carry out the troubleshooting for the troubleshooting is more targeted, and is more quick.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic diagram of the control of a raking motor in embodiment 1 of the present disclosure;
fig. 2 is a schematic diagram of forward rotation control of the elevator in embodiment 1 of the disclosure;
fig. 3 is a schematic diagram of reverse rotation control of the hoist in embodiment 1 of the disclosure.
The specific implementation mode is as follows:
the present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.
Example 1
In this embodiment, a control system of a settler raker is disclosed, comprising:
the collecting device is used for collecting the running torque information of the raking machine;
and the controller is used for controlling the lifting or descending of the raking machine according to the collected running torque information of the raking machine.
Further, when the operating torque of the raking machine reaches a set value A, the controller controls the raking machine to lift; when the operating torque of the raking machine is reduced to a set value B, the controller controls the raking machine to stop lifting; when the operating torque of the raking machine is reduced to a set value C, the controller controls the raking machine to descend; when the moment rising rate of the raking machine reaches a set value D, the controller controls the raking machine to stop descending.
In this embodiment, the selected raking machine is lifted or lowered by a lifting machine, and a control system of the settling tank raking machine is described in detail in connection with the lifting machine.
Through collection system, gather running state information, running current and running torque information of raking material machine to send the information of gathering to the controller.
And the controller controls the lifting and the descending of the hoister according to the collected running current and running torque information of the raking machine.
When the operation torque of the raking machine is detected to reach a set value A, the controller starts the hoister to perform lifting motion to drive the raking machine to hoist, when the hoister runs for a certain distance and the operation torque of the raking machine is detected to be reduced to a set value B, the controller controls the hoister to stop hoisting, and the raking machine runs independently.
When the condition that the operating torque of the raking machine is reduced to a set value C is detected, the controller controls the elevator to descend to drive the raking machine to descend, the operating current and the operating torque of the raking machine change in the descending process, when the torque rising rate of the raking machine reaches a set value D, the controller controls the elevator to stop descending, and the raking machine operates independently.
Wherein, the running moment ascending speed S of the raking machine is as follows: and S is (S1-S2)/(t1-t2), S1 and S2 are the running torque of the raker at the time t1 and t2, and when the running torque rising rate S of the raker reaches a set value D, the hoisting machine stops descending.
In addition, a limit switch, a torque protector and an alarm device are further arranged, the limit switch is used for limiting the ascending or descending limit position of the hoister, and the hoister stops running after ascending or descending to the limit position.
When the moment protector detects that the operating moment of the raking machine reaches a limit value, the raking machine stops operating, and the alarm device gives an alarm.
When the operating torque of the raking machine reaches a set value A, B, C, or the rising rate of the operating torque reaches a set value D, or the elevator runs to a rising or falling limit position, the controller controls the alarm to send alarm information.
The controller may be a central processing unit CPU or other general purpose processor, digital signal processor DSP, application specific integrated circuit ASIC, an off-the-shelf programmable gate array FPGA or other programmable logic device, discrete gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The controller is connected with the memory, and the memory stores the equipment information of the raking machine and the hoister, the collected running state information of the raking machine, the running state information of the hoister, the collected running current information of the raking machine and the running torque information.
The controller is also connected with the computer and sends the collected running state information of the raking machine, the running state information of the hoister, the collected running current information of the raking machine and the collected running torque information to the computer for displaying.
The control system of this embodiment has still set up control button, and control button is connected with the controller, and control button can be the soft button on the computer display page, also can be for the operating button who is connected with the controller, stops through opening of control button control settling tank harrow material machine's control system.
The embodiment is used for important equipment in a coal gasification sewage solid-liquid separation treatment process, and can solve the problem that a raking machine cannot normally operate due to damage of electrical components caused by field environment influence; the configuration of a field control box can be reduced, and the complexity of a circuit is reduced; thirdly, the investment is reduced by means of the existing computer control program; fourthly, after abnormal shutdown, the operation trend can be used for checking and analyzing, the fault source can be searched, and the real problem can be solved; the fifth step can realize automatic control and reduce operators, thereby further reducing the production cost; the sixth can further promote device degree of automation, realizes that the device starts by a key, has promoted the safety and stability of harrow material machine system operation.
The control system disclosed by the embodiment abandons the original old control concept, removes electric components which are easy to break down, utilizes a memory and processing controller as a control center, and automatically controls the raking machine and the hoister to change the operation mode, thereby improving the operation environment of the raking machine and optimizing the operation mode.
The embodiment controls the lifting and descending of the raking machine by detecting the running torque of the raking machine, realizes the automatic control of the raking machine, and has simple control process.
This embodiment has carried out segment control to promoting with descending process according to the running torque of harrow material machine, when breaking down, can combine the period that the trouble appears to carry out the troubleshooting for the troubleshooting is more targeted, and is more quick.
Example 2
In this embodiment, a control method for a settler raking machine is disclosed, which includes:
collecting running torque information of a raking machine;
when the operating torque of the raking machine reaches a set value A, lifting the raking machine;
when the operating torque of the raking machine is reduced to a set value B, the raking machine stops lifting;
when the operating torque of the raking machine is reduced to a set value C, the raking machine descends;
when the ascending rate of the operating torque of the raking machine reaches a set value D, the raking machine stops descending.
Further, when the operation torque of the raking machine reaches the set value A, B, C or the torque rising rate of the raking machine reaches the set value D, an alarm is given.
Furthermore, a limit position for the material raking machine to ascend or descend is further arranged, and when the material raking machine runs to the limit position, the elevator stops running and gives an alarm.
Example 3
In this embodiment, an electronic device is disclosed, which comprises a memory and a processor, and computer instructions stored in the memory and run on the processor, wherein the computer instructions, when executed by the processor, perform the steps of the control method of the settler raking machine disclosed in embodiment 2.
Example 4
In this embodiment, a computer readable storage medium is disclosed for storing computer instructions which, when executed by a processor, perform the steps of a control method for a settler raker as disclosed in embodiment 2.
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.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. A control system of a settling tank raking machine is characterized by comprising:
the collecting device is used for collecting the running torque information of the raking machine;
and the controller is used for controlling the lifting or descending of the raking machine according to the collected running torque information.
2. The control system of a settler raker as claimed in claim 1, wherein the controller controls the raker to be lifted when the raker running torque reaches a set value a; when the operating torque of the raking machine is reduced to a set value B, the controller controls the raking machine to stop lifting; when the operating torque of the raking machine is reduced to a set value C, the controller controls the raking machine to descend; when the moment rising rate of the raking machine reaches a set value D, the controller controls the raking machine to stop descending.
3. The control system of a settler raker as claimed in claim 1, further comprising limit switches for sensing the extreme positions of the raker as it is raised and lowered, the controller controlling the raker to stop raising or lowering when the raker is raised or lowered to the extreme positions.
4. The control system of a settler raker as claimed in claim 1, further comprising an alarm, wherein the controller controls the alarm to give an alarm when the raker running torque reaches a set value of A, B, C, or the raker torque rise rate reaches a set value of D, or the raker runs to an extreme position.
5. The control system of a settler raker as recited in claim 1, wherein the controller is connected to the computer and is configured to send operational status information to the computer and receive operational instructions from the computer.
6. The control system of a settler raker as claimed in claim 1, further comprising an operating button connected to the controller for controlling the start and stop of the control system of a settler raker.
7. A control method of a settling tank raking machine is characterized by comprising the following steps:
collecting running torque information of a raking machine;
when the operating torque of the raking machine reaches a set value A, lifting the raking machine;
when the operating torque of the raking machine is reduced to a set value B, the raking machine stops lifting;
when the operating torque of the raking machine is reduced to a set value C, the raking machine descends;
when the ascending rate of the operating torque of the raking machine reaches a set value D, the raking machine stops descending.
8. A control method for a settler raker as claimed in claim 7, wherein extreme positions for the raker to be raised or lowered are provided, and the raker stops being raised or lowered when it is operated to the extreme positions.
9. An electronic device comprising a memory and a processor and computer instructions stored on the memory and executed on the processor, which when executed by the processor, perform the steps of a method of controlling a settler rake as claimed in any one of claims 7 to 8.
10. A computer readable storage medium for storing computer instructions which, when executed by a processor, perform the steps of a method of controlling a settler raker as claimed in any one of claims 7 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110142926.4A CN112791462B (en) | 2021-02-02 | 2021-02-02 | Control system and method for settling tank raking machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110142926.4A CN112791462B (en) | 2021-02-02 | 2021-02-02 | Control system and method for settling tank raking machine |
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| CN112791462A true CN112791462A (en) | 2021-05-14 |
| CN112791462B CN112791462B (en) | 2022-12-02 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2286397A (en) * | 1938-07-07 | 1942-06-16 | Dorr Co Inc | Apparatus for treating settled solids in liquid-solids mixtures |
| US4364834A (en) * | 1981-11-10 | 1982-12-21 | Envirotech Corporation | Sedimentation apparatus having an improved skimming mechanism |
| US4424130A (en) * | 1982-09-02 | 1984-01-03 | Envirotech Corporation | Rake drive and lifting device for sedimentation apparatus |
| CN101703846A (en) * | 2009-11-05 | 2010-05-12 | 上海宝钢工程技术有限公司 | Pressure signal based automatic control method and system of rake lifting device of high-efficiency concentrator |
| CN202933522U (en) * | 2012-09-10 | 2013-05-15 | 天津重钢机械装备股份有限公司 | Thickener provided with automatic control overload protection device |
| CN104069658A (en) * | 2013-11-04 | 2014-10-01 | 飞翼股份有限公司 | Thickener rake control device and method and thickener |
-
2021
- 2021-02-02 CN CN202110142926.4A patent/CN112791462B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2286397A (en) * | 1938-07-07 | 1942-06-16 | Dorr Co Inc | Apparatus for treating settled solids in liquid-solids mixtures |
| US4364834A (en) * | 1981-11-10 | 1982-12-21 | Envirotech Corporation | Sedimentation apparatus having an improved skimming mechanism |
| US4424130A (en) * | 1982-09-02 | 1984-01-03 | Envirotech Corporation | Rake drive and lifting device for sedimentation apparatus |
| CN101703846A (en) * | 2009-11-05 | 2010-05-12 | 上海宝钢工程技术有限公司 | Pressure signal based automatic control method and system of rake lifting device of high-efficiency concentrator |
| CN202933522U (en) * | 2012-09-10 | 2013-05-15 | 天津重钢机械装备股份有限公司 | Thickener provided with automatic control overload protection device |
| CN104069658A (en) * | 2013-11-04 | 2014-10-01 | 飞翼股份有限公司 | Thickener rake control device and method and thickener |
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| CN112791462B (en) | 2022-12-02 |
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