CN214166411U - Coal feeder cleaning device - Google Patents
Coal feeder cleaning device Download PDFInfo
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- CN214166411U CN214166411U CN202022612990.8U CN202022612990U CN214166411U CN 214166411 U CN214166411 U CN 214166411U CN 202022612990 U CN202022612990 U CN 202022612990U CN 214166411 U CN214166411 U CN 214166411U
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Abstract
The utility model relates to a coal feeder cleaning device, which comprises a cleaning motor and a control circuit, wherein the control circuit is electrically connected with the cleaning motor; the control circuit comprises a contactor KM, a relay KT1 and a relay KT 2; one end of a coil of the contactor KM is connected to a live wire through a normally closed contact of a relay KT1, and the other end of the coil of the contactor KM is connected to a zero wire; one end of a coil of the relay KT1 is connected to a live wire through a normally closed contact of the relay KT2, and the other end of the coil of the relay KT1 is connected to a zero wire; one end of a coil of the relay KT2 is connected to a live wire through an auxiliary normally closed contact of a contactor KM, and the other end of the coil of the relay KT2 is connected to a zero wire. The intermittent starting of the cleaning assembly is realized through the control circuit, so that the coal feeder is cleaned periodically, the coal feeder is not required to be continuously started for 24 hours, the energy consumption is saved, and the cost is reduced.
Description
Technical Field
The utility model relates to a feeder cleaning equipment technical field, concretely relates to feeder cleaning device.
Background
The coal feeder is a raw coal conveying machine for adjusting the coal entering the coal mill, and the coal feeder cleaning device generally drives a scraper to rotate through a motor rotating assembly so as to scrape and convey a coal sample on the coal feeder into the coal mill. At present, a coal feeder is a 24-hour continuous operation device, so a cleaning device also runs for 24 hours, the long-time rotation abrasion loss is large, the cleaning device needs to be overhauled once every 3 to 5 months, and the cost is high and the energy consumption is large because the cleaning device needs to be overhauled once every 1 year.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a feeder cleaning device is provided, aim at solving above-mentioned technical problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a cleaning device for a coal feeder comprises a cleaning motor and a control circuit, wherein the control circuit is electrically connected with the cleaning motor and is used for controlling the cleaning motor to be started intermittently so as to clean the coal feeder; the control circuit comprises a contactor KM, a relay KT1 and a relay KT 2; one end of a coil of the contactor KM is connected to a live wire through a normally closed contact of the relay KT1, and the other end of the coil of the contactor KM is connected to a zero wire; one end of a coil of the relay KT1 is connected to a live wire through a normally closed contact of the relay KT2, and the other end of the coil of the relay KT1 is connected to a zero wire; one end of a coil of the relay KT2 is connected to a live wire through an auxiliary normally closed contact of the contactor KM, and the other end of the coil of the relay KT2 is connected to a zero wire; and the three-phase input end of the cleaning motor is correspondingly and electrically connected to three phases of three-phase alternating current through the main contact of the contactor KM. The utility model has the advantages that: in the process of cleaning the coal feeder, firstly, a coil of a contactor KM is electrified, an auxiliary normally closed contact is disconnected, a coil of a relay KT1 is electrified, the normally closed contact and a coil of a relay KT2 are powered off, and the normally closed contact is closed, a cleaning motor is started to clean the coal feeder, and the relay KT1 starts to time; secondly, after 10 minutes, the coil of the contactor KM is powered off, the auxiliary normally closed contact is closed, meanwhile, the coil of the relay KT1 is powered off, the normally closed contact is disconnected, the coil of the relay KT2 is powered on, the normally closed contact is disconnected, the cleaning motor stops, meanwhile, the relay KT2 starts timing, the operation of the first step and the operation of the second step are repeated after 20 minutes, the cleaning motor works for 10 minutes and stops 20 minutes, the cleaning motor is prevented from being started for 24 hours, and energy consumption is saved. The utility model discloses a control circuit realizes cleaning the intermittent type formula start-up of motor to according to the regular coal feeder that cleans of production demand, need not 24 hours and opens in succession, practice thrift the energy consumption, reduce cost.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, set on the feeder and drive the conveying motor of belt operation in order to carry coal of weighing, control circuit is still including being used for the start conveying motor's contactor KM1, the both ends of contactor KM 1's coil are connected respectively on live wire and zero line, relay KT 1's normally closed contact relay KT 2's normally closed contact with contactor KM's supplementary normally closed contact all passes through contactor KM 1's normally open contact is connected on the live wire, conveying motor's three-phase input passes through contactor KM 1's main contact corresponds the electric connection on three-phase alternating current's three-phase.
The beneficial effect of adopting above-mentioned further scheme is that contactor KM 1's coil circular telegram, its normally closed contact is closed simultaneously to start conveying motor, realize the feeder and carry the coal sample, according to the regularly start conveying motor of production demand promptly, need not to last power supply, practice thrift the energy consumption.
Further, clean the cover and be equipped with the belt on the motor, along its direction of delivery even interval fixed mounting has a plurality of scraper blades on the belt.
The beneficial effects of adopting above-mentioned further scheme are that through cleaning motor drive belt and rotating, the belt drives the scraper blade on it and scrapes the coal sample on with the feeder and send to the coal pulverizer in, realize the automation of feeder coal sample and clean, degree of automation is high, and production efficiency improves greatly.
Further, each of the scrapers extends in the width direction of the belt and is disposed perpendicularly or obliquely to the belt.
The beneficial effects of adopting above-mentioned further scheme are that every scraper blade simple structure, reasonable in design can the effectual feeder that cleans.
Drawings
Fig. 1 is a schematic diagram of a control circuit according to the present invention;
FIG. 2 is a schematic structural view of a first embodiment of the cleaning motor, a belt and a plurality of scrapers of the present invention;
fig. 3 is a schematic structural view of a second embodiment of the invention, in which the sweeping motor and the belt are matched with a plurality of scrapers.
In the drawings, the components represented by the respective reference numerals are listed below:
1. cleaning assembly, 2, control circuit, 3, scraper blade.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 3, the utility model provides a feeder cleaning device, its characterized in that: the coal feeder cleaning device comprises a cleaning motor 1 and a control circuit 2, wherein the control circuit 2 is electrically connected with the cleaning motor 1 and is used for controlling the cleaning motor 1 to be started intermittently so as to clean a coal feeder; the control circuit 2 comprises a contactor KM, a relay KT1 and a relay KT 2; one end of a coil of the contactor KM is connected to a live wire through a normally closed contact of a relay KT1, and the other end of the coil of the contactor KM is connected to a zero wire; one end of a coil of the relay KT1 is connected to a live wire through a normally closed contact of the relay KT2, and the other end of the coil of the relay KT1 is connected to a zero wire; one end of a coil of the relay KT2 is connected to a live wire through an auxiliary normally closed contact of a contactor KM, and the other end of the coil of the relay KT2 is connected to a zero wire; the three-phase input end of the cleaning motor 1 is correspondingly and electrically connected to three phases of three-phase alternating current through the main contact of the contactor KM. In the process of cleaning the coal feeder, firstly, a coil of a contactor KM is electrified, an auxiliary normally closed contact is disconnected, a coil of a relay KT1 is electrified, the normally closed contact and a coil of a relay KT2 are powered off, and the normally closed contact is closed, a cleaning motor 1 is started to clean the coal feeder, and the relay KT1 starts to time; secondly, after 10 minutes, the coil of the contactor KM is powered off, the auxiliary normally closed contact is closed, meanwhile, the coil of the relay KT1 is powered off, the normally closed contact is disconnected, the coil of the relay KT2 is powered on, the normally closed contact is disconnected, the cleaning motor 1 stops, meanwhile, the relay KT2 starts timing, the first step and the second step are repeated after 20 minutes, the cleaning motor 1 works for 10 minutes and stops 20 minutes of intermittent starting, namely, 30 minutes of one cycle, the cleaning motor is prevented from being started for 24 hours, and energy consumption is saved. The utility model discloses a control circuit 2 realizes cleaning the intermittent type formula start-up of motor 1 to according to the regular coal feeder that cleans of production demand, need not 24 hours and open in succession, practice thrift the energy consumption, reduce cost.
The specific timing of the relay KT1 and the relay KT2 can be designed according to the requirement, and is not limited to the 10 minutes and 20 minutes.
Example 1
On the basis of above-mentioned structure, in the embodiment, set on the feeder and drive the conveying motor who weighs the belt operation in order to carry coal, control circuit 2 is still including the contactor KM1 that is used for starting conveying motor, the both ends of contactor KM 1's coil are connected respectively on live wire and zero line, relay KT 1's normally closed contact, relay KT 2's normally closed contact and contactor KM's supplementary normally closed contact all connect on the live wire through contactor KM 1's normally open contact, the main contact corresponding electric connection that the three-phase input of conveying motor passes through contactor KM1 is on three-phase of three-phase alternating current. During the use, contactor KM 1's coil circular telegram, its normally closed contact is closed simultaneously to start conveying motor realizes the feeder and carries the coal sample, according to the regularly start conveying motor of production demand promptly, need not to last the power supply, practices thrift the energy consumption.
Example 2
On the basis of the above structure, in this embodiment, the cleaning motor 1 is sleeved with a belt, and a plurality of scrapers 3 are fixedly mounted on the belt at even intervals along the conveying direction of the belt. When cleaning, the belt is driven to rotate by the cleaning motor 1, the belt drives the scraper plate 3 on the belt to scrape and convey the coal sample on the coal feeder to the coal grinding machine, so that the coal sample of the coal feeder is automatically cleaned, the automation degree is high, and the production efficiency is greatly improved.
During cleaning, two ends of the belt are respectively sleeved on the two rollers, and two ends of the two roller mandrels are respectively rotatably connected with two sides of the rack; the cleaning motor 1 is fixedly arranged on the frame through a bolt, and the output end of the cleaning motor is welded with one end of one roller mandrel.
Example 3
In the present embodiment, each scraper 3 extends in the width direction of the belt and is disposed perpendicularly or obliquely to the belt. Every scraper blade 3 simple structure, reasonable in design can effectual cleaning feeder.
The working principle of the utility model is as follows:
when the coal feeder is used, the coil of the contactor KM1 is electrified, and meanwhile, the normally closed contact of the contactor KM1 is closed, so that the conveying motor is started, the coal feeder is used for conveying a coal sample, and meanwhile, the control circuit 2 is started;
the control circuit 2 controls the cleaning motor 1 to start intermittently according to the following specific principle: firstly, a coil of a contactor KM is electrified, an auxiliary normally closed contact is disconnected, a coil of a relay KT1 is electrified, a normally closed contact and a coil of a relay KT2 are powered off, and the normally closed contact is closed, a cleaning motor 1 is started to clean a coal feeder, and a relay KT1 starts timing; secondly, after 10 minutes, the coil of the contactor KM is powered off, the auxiliary normally closed contact is closed, meanwhile, the coil of the relay KT1 is powered off, the normally closed contact is disconnected, the coil of the relay KT2 is powered on, the normally closed contact is disconnected, the cleaning motor 1 stops, meanwhile, the relay KT2 starts timing, the first step and the second step are repeated after 20 minutes, the cleaning motor 1 works for 10 minutes and stops 20 minutes of intermittent starting, the cleaning motor is prevented from being started for 24 hours, and energy consumption is saved.
It should be noted that the present invention relates to a motor (model YE-2), a contactor (model CJX2) and a relay (model DH48) all using the prior art, and each of the above components is electrically connected to a controller (model TC-SCR), and a control circuit between the controller and each component is the prior art.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (4)
1. The utility model provides a feeder cleaning device which characterized in that: the coal feeder cleaning device comprises a cleaning motor (1) and a control circuit (2), wherein the control circuit (2) is electrically connected with the cleaning motor (1) and is used for controlling the cleaning motor (1) to be started intermittently so as to clean a coal feeder; the control circuit (2) comprises a contactor KM, a relay KT1 and a relay KT 2; one end of a coil of the contactor KM is connected to a live wire through a normally closed contact of the relay KT1, and the other end of the coil of the contactor KM is connected to a zero wire; one end of a coil of the relay KT1 is connected to a live wire through a normally closed contact of the relay KT2, and the other end of the coil of the relay KT1 is connected to a zero wire; one end of a coil of the relay KT2 is connected to a live wire through an auxiliary normally closed contact of the contactor KM, and the other end of the coil of the relay KT2 is connected to a zero wire; the three-phase input end of the cleaning motor (1) is correspondingly and electrically connected to three phases of three-phase alternating current through the main contact of the contactor KM.
2. The coal feeder cleaning device of claim 1, wherein: set on the feeder and drive the conveying motor of belt operation in order to carry coal of weighing, control circuit (2) are still including being used for the start conveying motor's contactor KM1, the both ends of contactor KM 1's coil are connected respectively on live wire and zero line, relay KT 1's normally closed contact relay KT 2's normally closed contact with contactor KM's supplementary normally closed contact all passes through contactor KM 1's normally open contact is connected on the live wire, conveying motor's three-phase input passes through contactor KM 1's main contact corresponds the electric connection on three-phase alternating current's three-phase.
3. The coal feeder cleaning device of claim 1, wherein: clean motor (1) and go up the cover and be equipped with the belt, along its even interval fixed mounting in direction of delivery on the belt have a plurality of scraper blades (3).
4. The coal feeder cleaning device of claim 3, wherein: each scraper (3) extends along the width direction of the belt and is arranged vertically or obliquely relative to the belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022612990.8U CN214166411U (en) | 2020-11-12 | 2020-11-12 | Coal feeder cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022612990.8U CN214166411U (en) | 2020-11-12 | 2020-11-12 | Coal feeder cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214166411U true CN214166411U (en) | 2021-09-10 |
Family
ID=77600411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022612990.8U Active CN214166411U (en) | 2020-11-12 | 2020-11-12 | Coal feeder cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214166411U (en) |
-
2020
- 2020-11-12 CN CN202022612990.8U patent/CN214166411U/en active Active
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