CN218914577U - Coal slime water pipeline blocking monitoring device - Google Patents
Coal slime water pipeline blocking monitoring device Download PDFInfo
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- CN218914577U CN218914577U CN202320065317.8U CN202320065317U CN218914577U CN 218914577 U CN218914577 U CN 218914577U CN 202320065317 U CN202320065317 U CN 202320065317U CN 218914577 U CN218914577 U CN 218914577U
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- switch
- proximity switch
- intermediate relay
- fixed bracket
- pipeline
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Abstract
The utility model discloses a coal slime water pipeline blockage monitoring device, which comprises a fixed bracket, a proximity switch and a floating ball switch, wherein the fixed bracket is arranged on the fixed bracket; the upper part of the fixed bracket is provided with a chute, and the proximity switch is arranged in the chute in a sliding way; the lower part of the fixed bracket is provided with a ball rod guiding device, and a ball rod of the ball rod switch floats up and down along the guiding device; the control circuit comprises an intermediate relay and an alarm; the proximity switch and the coil of the intermediate relay form a closed loop; the normally open contact of the intermediate relay and the alarm form a closed loop. The advantages are that: in actual use, the installation positions of the proximity switch are adjusted according to the liquid level conditions of different positions of the pipeline, so that the proximity switch is applicable to a plurality of point positions in the pipeline; the lower part of the d-shaped support is fixedly provided with a guide ring, the float switch floats up and down along the guide ring, when the liquid level in the pipeline reaches a preset high liquid level, the float rod triggers the proximity switch to act, and the corresponding alarm system reminds personnel to patrol and controls the flushing water pump to stop running, so that the reliability is high.
Description
Technical field:
the utility model relates to the field of pipeline monitoring, in particular to a device for monitoring blockage of a coal slime water pipeline.
The background technology is as follows:
factory building of coal washery can produce impurity such as a large amount of coal slime in production process, consequently need regularly clean, in cleaning the in-process, in the factory building is sent with water pump to the wash water pump, washes coal slime and impurity in the factory building, can produce a large amount of coal slime water that contain impurity such as coal slime in this in-process, and above-mentioned coal slime water finally can converge to special coal slime water piping in handle. In actual production, the slime water pipeline can cause the jam because of slime piles up or slime water is too much, can make the slime water overflow from the water course and flow back to the factory building in even, influence the normal production of factory building.
At present, the operation condition monitoring of the pipeline is mainly realized through a liquid level switch, and the control of the flushing water pump is realized through the on-off of the liquid level switch; when the liquid level switch monitors that the pipeline is in high liquid level operation, the contact of the liquid level switch controls the flushing water pump to stop running, and when the liquid level switch monitors that the pipeline is in low liquid level operation, the contact of the liquid level switch controls the flushing water pump to work normally. Because the liquid level switch is soaked in water for a long time, the electrode and the contact point of the liquid level switch can be failed, so that the water pump can not be disconnected in time when the liquid level is high, and the failure rate of the system is high.
The utility model comprises the following steps:
the utility model aims to provide a pipeline blockage monitoring device which is stable and reliable in system, can monitor the blockage situation of a coal slime water pipeline, and can give an alarm in time after the pipeline is blocked and inhibit a flushing water pump from being started.
The utility model is implemented by the following technical scheme: the device for monitoring the blockage of the coal slime water pipeline is characterized by comprising a fixed bracket, a proximity switch, a float switch and a control circuit; the upper part of the fixed bracket is provided with a chute, and the proximity switch is arranged in the chute in a sliding way; the lower part of the fixed bracket is provided with a ball rod guiding device, and a ball rod of the ball rod switch floats up and down along the guiding device; the control circuit comprises an intermediate relay and an alarm; the proximity switch and the coil of the intermediate relay form a closed loop; and the normally open contact of the intermediate relay and the alarm form a closed loop.
Preferably, the fixed support is a d-shaped support, more than one guide ring is fixedly arranged on the outer wall of the lower part of the d-shaped support, and the floating ball rod is sleeved in the guide ring.
Preferably, the number of the fixing support, the proximity switch, the floating ball switch, the intermediate relay and the alarm is two or more.
Preferably, the control circuit further comprises an action prohibition indicator lamp, and a group of normally open contacts of each intermediate relay are connected in parallel and then form a closed loop with the action prohibition indicator lamp.
Preferably, the device further comprises a main loop; a set of normally closed contacts for each of the intermediate relays are connected in series in the main circuit.
Preferably, the float switch is a rod type metal float.
The utility model has the advantages that: the device has simple structure, stable operation and strong applicability; the proximity switch can slide up and down along the chute of the fixed bracket, and in actual use, the installation position of the proximity switch is adjusted according to the liquid level conditions of different positions of the pipeline, so that the proximity switch is applicable to a plurality of points in the pipeline; the lower part of the d-shaped support is fixedly provided with a guide ring, the float switch floats up and down along the guide ring, when the liquid level in the pipeline reaches a preset high liquid level, the float rod triggers the proximity switch to act, and the corresponding alarm system reminds personnel to patrol and controls the flushing water pump to stop running, so that the reliability is high.
Description of the drawings:
in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present utility model.
Fig. 2 is a control circuit connection diagram of embodiment 1.
The device comprises a fixed bracket 1, a proximity switch 2, a float switch 3, a chute 4, a guide ring 5, a ball rod 6 and a pipeline 7.
The specific embodiment is as follows:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
the device for monitoring the blockage of the coal slime water pipeline shown in the figures 1-2 comprises a fixed support 1, a proximity switch 2, a float switch 3 and a control circuit, wherein the relay of the control circuit is controlled by the on-off of the proximity switch 2, so that the alarm is given to the running condition of the pipeline, and the control of a main loop flushing water pump is realized.
As shown in fig. 1, the fixing bracket 1 is a d-shaped bracket, a chute 4 is arranged on the upper portion of the fixing bracket 1, the proximity switch 2 can slide up and down along the chute 4, in actual use, the installation position of the proximity switch 2 can be adjusted according to the liquid level condition of a pipeline, and the fixing is performed after the installation position is determined.
The lower part of the fixed bracket 1 is provided with a ball rod guiding device, so that the ball rod 6 of the ball float switch 3 always floats up and down along the guiding device; wherein, the guiding device can be a guiding ring or a guiding rod; in the embodiment, the ball rod guiding device is a guiding ring 5 formed by a plurality of nuts in parallel; each nut is welded on the outer wall of the lower part of the d-shaped bracket 1, and a ball rod 6 is sleeved in the nut guide ring 5.
In order to improve the operation monitoring accuracy of the pipeline 7, two or more groups of floating ball switches 3 and proximity switches 2 can be arranged in the pipeline 7 for monitoring, in this embodiment, according to the actual operation condition of the coal slime water pipeline, two groups of metal floating ball switches 3 and proximity switches 2 are arranged at a position A where the coal slime water pipeline frequently accumulates and a turning position B of the pipeline.
As shown in fig. 2, the control circuit comprises an intermediate relay KA and an alarm HL; the proximity switch 2 and the coil of the intermediate relay KA form a closed loop; the normally open contact of the intermediate relay KA and the alarm HL form a closed loop. The number of the intermediate relays KA and the alarms HL is the same as that of the float switch 3.
In this embodiment, the control circuit is further provided with a prohibiting action indicator lamp SQ, and after a group of normally open contacts of each intermediate relay KA are connected in parallel, the normally open contacts and the prohibiting action indicator lamp SQ form a closed loop, and when one or more proximity switches 2 are closed, the prohibiting action indicator lamp SQ is turned on, so that the flushing water pump is prompted to be unable to start.
An automatic control main loop is arranged for realizing the automatic control of the flushing water pump; as shown in fig. 2, a set of dry contacts formed by connecting normally closed contacts of two sets of intermediate relays KA1 and KA2 in series are arranged between C, D, and the dry contacts are connected in series in a main loop for controlling the start and stop of a flushing water pump; when the normally closed contacts of one or more intermediate relays are disconnected, the flushing water pump cannot be started.
Description of use: the two fixing brackets 1 are respectively arranged at proper positions of the pipeline 7 for fixing, then the proximity switch 2 is fixed at the proper positions of the sliding chute 4, the ball rod 6 of the floating ball switch 3 is sleeved in the guide ring 5, and the ball rod 6 floats up and down along the guide ring 5 under the action of buoyancy. When the coal slime water pipeline 7 is in the normal operation condition, namely the liquid level in the coal slime water pipeline 7 is in the low liquid level operation state, the float switch 3 arranged in the pipeline 7 cannot float upwards, the contact of the proximity switch 2 is in the open state, the coil of the intermediate relay KA is powered off, the normally closed contact of the intermediate relay KA is in the closed state, and the flushing water pump in the main loop is started to clean a factory building.
When excessive silt is generated in the slime water pipeline 7 or excessive slime water in a water channel is about to overflow, the floating ball switch 3 arranged in the pipeline 7 floats upwards, the proximity switch 2 is induced to close a contact of the proximity switch 2, a coil and a normally open contact of the intermediate relay KA are closed, and a corresponding alarm HL generates an alarm signal to prompt that the slime water pipeline 7 is blocked; meanwhile, the action indicating lamp SQ is prohibited from being on, and the fact that the flushing water pump cannot be started is prompted.
Specifically: when the coal slime is deposited or the coal slime water is excessive, the floating ball switch 3 at the A floats upwards, the proximity switch 2 at the A is induced to be closed, so that the coil of the intermediate relay KA1 is powered on, the normally open contact of the intermediate relay KA1 is closed, and the alarm HL1 generates an alarm signal; meanwhile, the action indicator lamp SQ is prohibited from being on, the normally closed contact of the intermediate relay KA1 is disconnected, and the flushing water pump stops running.
When the coal slime is deposited or the coal slime water is excessive at the position B, the floating ball switch 3 at the position B floats upwards, the proximity switch 2 at the position B is induced to be closed, so that the coil of the intermediate relay KA2 is powered on, the normally open contact of the intermediate relay KA2 is closed, and the alarm HL2 generates an alarm signal; meanwhile, the action indicator lamp SQ is prohibited from being on, the normally closed contact of the intermediate relay KA2 is disconnected, and the flushing water pump stops running.
When the pipelines at the position A and the position B are blocked, the alarms HL1 and HL2 generate alarm signals, the normally closed contacts of the intermediate relays KA1 and KA2 are disconnected, and the flushing water pump stops running.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. The device for monitoring the blockage of the coal slime water pipeline is characterized by comprising a fixed bracket, a proximity switch, a float switch and a control circuit;
the upper part of the fixed bracket is provided with a chute, and the proximity switch is arranged in the chute in a sliding way; the lower part of the fixed bracket is provided with a ball rod guiding device, and a ball rod of the ball rod switch floats up and down along the guiding device;
the control circuit comprises an intermediate relay and an alarm; the proximity switch and the coil of the intermediate relay form a closed loop; and the normally open contact of the intermediate relay and the alarm form a closed loop.
2. The device for monitoring the blockage of the coal slime water pipeline according to claim 1, wherein the fixed support is a d-shaped support, more than one guide ring is fixedly arranged on the outer wall of the lower part of the d-shaped support, and the floating ball rod is sleeved in the guide ring.
3. The device for monitoring the blockage of a coal slime water pipeline according to any one of claims 1 or 2, wherein the number of the fixed support, the proximity switch, the floating ball switch, the intermediate relay and the alarm is two or more.
4. A device for monitoring the blockage of a coal slurry pipeline according to claim 3, wherein the control circuit further comprises an action prohibiting indicator, and a group of normally open contacts of each intermediate relay are connected in parallel to form a closed loop with the action prohibiting indicator.
5. A coal slurry water pipe blockage monitoring device according to any one of claims 3 or 4, further comprising a main circuit; a set of normally closed contacts for each of the intermediate relays are connected in series in the main circuit.
6. The device for monitoring the blockage of a coal slurry pipeline according to claim 5, wherein the float switch is a rod-type metal float.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320065317.8U CN218914577U (en) | 2023-01-09 | 2023-01-09 | Coal slime water pipeline blocking monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320065317.8U CN218914577U (en) | 2023-01-09 | 2023-01-09 | Coal slime water pipeline blocking monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218914577U true CN218914577U (en) | 2023-04-25 |
Family
ID=86044853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320065317.8U Active CN218914577U (en) | 2023-01-09 | 2023-01-09 | Coal slime water pipeline blocking monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218914577U (en) |
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2023
- 2023-01-09 CN CN202320065317.8U patent/CN218914577U/en active Active
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