CN212515485U - Mud level control device for mud bucket of screw pump - Google Patents
Mud level control device for mud bucket of screw pump Download PDFInfo
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- CN212515485U CN212515485U CN202021247863.6U CN202021247863U CN212515485U CN 212515485 U CN212515485 U CN 212515485U CN 202021247863 U CN202021247863 U CN 202021247863U CN 212515485 U CN212515485 U CN 212515485U
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- screw pump
- mud
- mud bucket
- control device
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Abstract
The utility model discloses a screw pump is mud level controlling means for mud bucket, including screw pump, mud bucket, ultrasonic sensor and controlling means, the mud bucket is fixed to be located the mud import department of screw pump, and the mud bucket is located the top of screw pump, and the entrance of mud bucket is equipped with ultrasonic sensor, and controlling means's signal input part is linked together with ultrasonic sensor, and controlling means's signal output part is linked together with the signal input part of screw pump. The utility model has the advantages of according to the actual mud level in the bagger, opening of control screw pump stops, the mud in the timely discharge buffering bagger.
Description
Technical Field
The utility model relates to a sludge dewatering field, in particular to screw pump is mud level control device for mud bucket.
Background
In the sludge treatment process, the sludge dewatered by the dewatering machine needs to be conveyed and transferred out of a sewage treatment plant, and the general conveying mode mainly comprises a screw conveyor and a belt conveyor. The conveyor is suitable for short-distance linear conveying, the critical distance is 20m, the conveying amount, the distance and the height are limited, so that the energy consumption is low, but the system is poor in tightness, secondary pollution can be caused to the surrounding environment, the conveying amount is fixed, and the adjustment cannot be carried out at will.
With the improvement of the process, more and more sewage plants adopt screw pumps or plunger pumps for pipeline transportation. The high-efficiency closed sludge pipeline conveying system reduces the secondary pollution caused by exposure, sprinkling, leakage and leakage of odor in an open type conveying mode. The material level monitoring control of a buffering sludge hopper on a screw pump or a plunger pump determines the instability of a material level monitoring signal due to the particularity of sludge, and meanwhile, a mud level monitoring circuit and a screw pump start-stop circuit are independent subsystems, so that the loss or the fault of a feedback signal easily causes equipment damage. For example, the screw pump runs dry for a long time, resulting in damage to the screw pump; or the screw pump is not started in time, and sludge overflows from the buffer hopper, so that secondary pollution is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mud level control device for screw pump bagger has according to the actual mud level in the bagger, controls opening of screw pump and stops, the advantage of the mud in the timely discharge buffering bagger.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a mud level control device for a screw pump mud bucket comprises a screw pump, the mud bucket, an ultrasonic sensor and a control device;
the mud bucket is fixedly located at a sludge inlet of the screw pump, the mud bucket is located at the top of the screw pump, an ultrasonic sensor is arranged at an inlet of the mud bucket, a signal input end of the control device is communicated with the ultrasonic sensor, and a signal output end of the control device is communicated with a signal input end of the screw pump.
The preferred scheme is as follows:
preferably: the control device comprises a 4-20 mA analog quantity module, a manual control switch module, an ultra-low alarm module and an alarm device, wherein the signal input end of the 4-20 mA analog quantity module is electrically connected with the signal output end of the ultrasonic sensor, the signal output end of the 4-20 mA analog quantity module is electrically connected with the signal input end of the screw pump, the manual control switch module is electrically connected with the signal input end of the screw pump, the signal input end of the ultra-low alarm module is electrically connected with the signal output end of the ultrasonic sensor, and the signal output end of the ultra-low alarm module is electrically connected with the signal input end of the alarm device.
Preferably: the top and the bottom of the mud bucket are respectively and fixedly provided with an ultrahigh low-level protection switch, the control device further comprises an ultrahigh low-level switch module, the signal output end of the ultrahigh low-level protection switch is electrically connected with the signal input end of the ultrahigh low-level switch module, and the signal output end of the ultrahigh low-level switch module is electrically connected with the signal input end of the screw pump. In order to prevent the ultrasonic sensor from losing signals, the sludge in the mud bucket overflows to cause environmental pollution or the sludge in the mud bucket is treated and is not added with the sludge to cause the dry running of the screw pump to cause the damage of the screw pump.
Preferably: the ultra-high and low-position protection switch is an infrared correlation sensor. The infrared ray correlation sensor positioned at the top of the mud bucket can not perform correlation when the sludge is about to overflow, at the moment, the infrared ray correlation sensor transmits signals to the ultrahigh low-level protection switch, the ultrahigh low-level protection switch transmits signals for starting the screw pump to the screw pump according to the signals transmitted by the infrared ray correlation sensor, after the sludge in the mud bucket is treated, the infrared ray correlation sensor positioned at the bottom of the mud bucket is changed from disconnection to correlation, at the moment, the infrared ray correlation sensor transmits the signals to the ultrahigh low-level protection switch, and the ultrahigh low-level protection switch transmits signals for stopping the screw pump to the screw pump according to the signals transmitted by the infrared ray correlation sensor.
To sum up, the utility model discloses following beneficial effect has:
the effect of reducing secondary pollution can be achieved through the arrangement of the screw pump; through the setting of controlling means, can play the effect of protection screw pump. The utility model has the advantages of according to the actual mud level in the bagger, opening of control screw pump stops, the mud in the timely discharge buffering bagger.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
fig. 2 is a schematic view of the structure of the hopper in the embodiment.
In the figure, 1, a screw pump; 2. a mud bucket; 3. an ultrasonic sensor; 4. a control device; 5. super high low level protection switch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-2, a mud level control device for a screw pump mud bucket comprises a screw pump 1, a mud bucket 2, an ultrasonic sensor 3 and a control device 4;
the mud bucket 2 is fixedly positioned at a sludge inlet of the screw pump 1, the mud bucket 2 is positioned at the top of the screw pump 1, the ultrasonic sensor 3 is arranged at the inlet of the mud bucket 2, the signal input end of the control device 4 is communicated with the ultrasonic sensor 3, and the signal output end of the control device 4 is communicated with the signal input end of the screw pump 1;
the control device 4 comprises a 4-20 mA analog quantity module, a manual control switch module, an ultra-low alarm module and an alarm device, wherein the signal input end of the 4-20 mA analog quantity module is electrically connected with the signal output end of the ultrasonic sensor 3, the signal output end of the 4-20 mA analog quantity module is electrically connected with the signal input end of the screw pump 1, the manual control switch module is electrically connected with the signal input end of the screw pump 1, the signal input end of the ultra-low alarm module is electrically connected with the signal output end of the ultrasonic sensor 3, and the signal output end of the ultra-low alarm module is electrically connected with the signal input end of the alarm device.
Control device 4 is located the other panel board of screw pump 1, the entry end of screw pump 1 is upwards, the exit end of mud bucket 2 passes through flange joint with the entry end of screw pump 1 to be fixed, the vertical cross-section of mud bucket 2 is trapezoidal, ultrasonic sensor 3 is located 2 open-top's of mud bucket one side, at the fixed superelevation low level protection switch 5 that is equipped with of ultrasonic sensor 3 next door, ultrasonic sensor 3 is used for surveying the mud height that is located mud bucket 2, make a round trip to reflect for a long time through ultrasonic mechanical oscillation and mud top promptly, and then judge the mud height.
The top and the bottom of the mud bucket 2 are respectively and fixedly provided with an ultrahigh low-level protection switch 5, the control device 4 further comprises an ultrahigh low-level switch module, the signal output end of the ultrahigh low-level protection switch 5 is electrically connected with the signal input end of the ultrahigh low-level switch module, and the signal output end of the ultrahigh low-level switch module is electrically connected with the signal input end of the screw pump 1. In order to prevent the ultrasonic sensor 3 from losing signals, which causes the sludge in the mud bucket 2 to overflow to cause environmental pollution or causes the screw pump 1 to be damaged due to the dry operation of the screw pump 1 because the sludge in the mud bucket 2 is not added after the treatment.
The ultra-high and low-level protection switch 5 is an infrared correlation sensor. The infrared ray correlation sensor positioned at the top of the mud bucket 2 can not perform correlation when the sludge is about to overflow, at the moment, the infrared ray correlation sensor transmits signals to the ultrahigh low-level protection switch 5, the ultrahigh low-level protection switch 5 transmits signals for starting the screw pump 1 to the screw pump 1 according to the signals transmitted by the infrared ray correlation sensor, after the sludge in the mud bucket 2 is treated, the infrared ray correlation sensor positioned at the bottom of the mud bucket 2 is changed from disconnection to correlation, the infrared ray can penetrate through the sludge on the surface layer, but cannot penetrate through thick sludge, therefore, the infrared ray correlation sensor is used, at the moment, the infrared ray correlation sensor transmits signals to the ultrahigh low-level protection switch 5, and the ultrahigh low-level protection switch 5 transmits signals for stopping the screw pump 1 to the screw pump 1 according to the signals transmitted by the infrared ray correlation sensor.
The specific operation steps are as follows:
step 1, adding sludge into a mud bucket 2, gradually increasing the sludge, detecting the sludge height in the mud bucket 2 by an ultrasonic sensor 3, transmitting a signal to a 4-20 mA analog quantity module by the ultrasonic sensor 3, transmitting a signal for starting the screw pump 1 to the screw pump 1 by the 4-20 mA analog quantity module when the sludge reaches four fifths of the mud bucket 2, starting the screw pump 1 to start to transport the sludge, continuously transmitting the sludge if the sludge is stopped to be filled into the mud bucket 2, gradually reducing the sludge in the mud bucket 2, transmitting the signal to the 4-20 mA analog quantity module and an ultra-low alarm module by the ultrasonic sensor 3 when the bottom of the mud bucket 2 is reached, transmitting the signal for stopping the screw pump 1 to the ultra-low analog quantity module by the 4-20 mA analog quantity module, stopping the screw pump 1, transmitting an alarm instruction to an alarm device by the ultra-low alarm module, and giving an alarm by the alarm device, informing workers, and discharging sludge in the screw pump 1 through a manual control switch by the workers;
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a screw pump is mud level controlling means for bagger which characterized in that: comprises a screw pump (1), a mud bucket (2), an ultrasonic sensor (3) and a control device (4);
the mud bucket (2) is fixedly located at a sludge inlet of the screw pump (1), the mud bucket (2) is located at the top of the screw pump (1), the ultrasonic sensor (3) is arranged at an inlet of the mud bucket (2), a signal input end of the control device (4) is communicated with the ultrasonic sensor (3), and a signal output end of the control device (4) is communicated with a signal input end of the screw pump (1).
2. The mud level control device for the mud bucket of the screw pump according to claim 1, wherein: the control device (4) comprises a 4-20 mA analog quantity module, a manual control switch module, an ultra-low alarm module and an alarm device, wherein the signal input end of the 4-20 mA analog quantity module is electrically connected with the signal output end of the ultrasonic sensor (3), the signal output end of the 4-20 mA analog quantity module is electrically connected with the signal input end of the screw pump (1), the manual control switch module is electrically connected with the signal input end of the screw pump, the signal input end of the ultra-low alarm module is electrically connected with the signal output end of the ultrasonic sensor (3), and the signal output end of the ultra-low alarm module is electrically connected with the signal input end of the alarm device.
3. The mud level control device for the mud bucket of the screw pump according to claim 2, wherein: the mud bucket is characterized in that an ultrahigh low-level protection switch (5) is fixedly arranged at the top and the bottom of the mud bucket (2) respectively, the control device (4) further comprises an ultrahigh low-level switch module, the signal output end of the ultrahigh low-level protection switch is electrically connected with the signal input end of the ultrahigh low-level switch module, and the signal output end of the ultrahigh low-level switch module is electrically connected with the signal input end of the screw pump (1).
4. The mud level control device for the mud bucket of the screw pump according to claim 3, wherein: the ultra-high and low-position protection switch (5) is an infrared correlation sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021247863.6U CN212515485U (en) | 2020-06-30 | 2020-06-30 | Mud level control device for mud bucket of screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021247863.6U CN212515485U (en) | 2020-06-30 | 2020-06-30 | Mud level control device for mud bucket of screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212515485U true CN212515485U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021247863.6U Active CN212515485U (en) | 2020-06-30 | 2020-06-30 | Mud level control device for mud bucket of screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212515485U (en) |
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2020
- 2020-06-30 CN CN202021247863.6U patent/CN212515485U/en active Active
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