CN206670717U - A kind of measurement apparatus of direct measurement desulfurized limestone powder storehouse material level - Google Patents
A kind of measurement apparatus of direct measurement desulfurized limestone powder storehouse material level Download PDFInfo
- Publication number
- CN206670717U CN206670717U CN201720454348.7U CN201720454348U CN206670717U CN 206670717 U CN206670717 U CN 206670717U CN 201720454348 U CN201720454348 U CN 201720454348U CN 206670717 U CN206670717 U CN 206670717U
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- CN
- China
- Prior art keywords
- switch
- material level
- limestone powder
- rotary switch
- transmission shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 235000019738 Limestone Nutrition 0.000 title claims abstract description 42
- 239000006028 limestone Substances 0.000 title claims abstract description 42
- 239000000843 powder Substances 0.000 title claims abstract description 41
- 239000000463 material Substances 0.000 title claims abstract description 40
- 238000005259 measurement Methods 0.000 title abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims description 26
- 230000001681 protective effect Effects 0.000 claims description 16
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000006477 desulfuration reaction Methods 0.000 description 10
- 230000023556 desulfurization Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Treating Waste Gases (AREA)
Abstract
It the utility model is related to a kind of measurement apparatus of direct measurement desulfurized limestone powder storehouse material level, including structure identical high charge level obstruction rotary switch and low material position obstruction rotary switch；Switch and the angle of vertical direction are 90 DEG C, and high charge level obstruction rotary switch is arranged on the silo wall of limestone powder bin, and low material position obstruction rotary switch is arranged on the cone bucket wall of limestone powder bin；Switch includes outer containment vessel, power transmission shaft, blade, electro-motor, spring, signal wire, micro switch and switch housing；Power transmission shaft is located on the axis of outer containment vessel inner chamber; power transmission shaft one end is connected through outer containment vessel inwall and with electro-motor; the power transmission shaft other end is connected with blade one end; the blade other end is located in limestone powder bin; electro-motor is connected with spring one end; the spring other end is connected with micro switch, and micro switch is connected with signal wire.The beneficial effects of the utility model are：The measurement error of limestone powder bin can be avoided, the material position false alarm signal of limestone powder bin will not be produced.
Description
Technical Field
The utility model relates to a desulfurization technical field, concretely relates to measuring device of direct measurement desulfurization limestone flour storehouse material level.
Background
Traditional desulfurization limestone powder storehouse material level measuring device receives factors such as mounted position angle, size, mounting means to influence, leads to measuring the precision to reduce. Especially, when limestone powder is damped in the air, the limestone powder is easy to harden, so that a conventional level meter cannot measure the limestone powder, even a misreport (unreal data) generates a false alarm signal, and the limestone powder is too little or too much. Therefore, these measuring devices cannot meet the requirements of desulfurization reactants of a desulfurization tower, so that a desulfurization system cannot meet ultra-low emission and the system can stably operate. In addition, some measuring devices also require auxiliary devices such as compressed air, etc., resulting in increased operating costs.
SUMMERY OF THE UTILITY MODEL
To the weak point that exists in the above-mentioned problem, the utility model provides a measuring device of direct measurement desulfurization limestone powder storehouse material level can avoid the measuring error in limestone powder storehouse, can not produce the material level wrong report alarm signal in limestone powder storehouse.
In order to achieve the purpose, the utility model provides a measuring device for directly measuring the material level of a desulfurized limestone powder bin, which comprises a high material level blocking rotary switch and a low material level blocking rotary switch with the same structure;
the included angle between the high material level blocking rotary switch and the vertical direction is 90 ℃, the high material level blocking rotary switch is installed on the wall of the silo of the limestone powder silo, and one end of the high material level blocking rotary switch is inserted into the wall of the silo;
the included angle between the low material level blocking rotary switch and the vertical direction is 90 ℃, the low material level blocking rotary switch is installed on the conical hopper wall of the limestone powder bin, and one end of the low material level blocking rotary switch is inserted into the conical hopper wall;
wherein,
high material level blocks rotary switch with low material level blocks rotary switch and all includes: the device comprises an outer protective shell, a transmission shaft, a paddle, an electric motor, a spring, a signal wire, a micro switch and a switch shell;
the transmission shaft is arranged in an inner cavity of the outer protective shell, and the electric motor, the spring, the signal wire and the micro switch are arranged in an inner cavity of the switch shell;
the transmission shaft is located on a central axis of an inner cavity of the outer protective shell, one end of the transmission shaft penetrates through the inner wall of the outer protective shell and is connected with the electric motor, the other end of the transmission shaft is connected with one end of the paddle, the other end of the paddle is located in the limestone powder bin, the electric motor is connected with one end of the spring, the other end of the spring is connected with the micro switch, and the micro switch is connected with the signal line.
As the utility model discloses the further improvement still includes switch and alarm switch, switch with alarm switch sets up the switch shell is outside, the signal line with switch with alarm switch connects.
As a further improvement, the alarm switch is provided with an indicator light.
As a further improvement, the paddle is detachable and the transmission shaft is connected.
As a further improvement, the blades of the paddle are exposed out of the end of the outer protective shell.
The utility model has the advantages that:
1. the measurement error of the limestone powder bin can be avoided, a material level false alarm signal of the limestone powder bin cannot be generated, the measurement precision is high, and the false alarm problem is solved;
2. the limestone powder bin is directly arranged on a bin wall plate of the limestone powder bin, so that the installation is simple, the equipment is reliable in operation, and the maintenance amount is basically avoided;
3. the angle, the size and the installation mode of the installation position cannot cause the increase of installation and operation cost, the waste cannot be caused, and the cost is low;
4. the safe, reliable and economic operation of the desulfurization system is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a measuring device for directly measuring the material level of a desulfurized limestone powder bin of the utility model.
In the figure:
1. a limestone powder bin; 2. a silo wall; 3. a conical hopper wall; 41. a high level blocking rotary switch; 42. a low level blocking rotary switch; 5. an outer protective shell; 6. a drive shaft; 7. a paddle; 8. an electric motor; 9. a spring; 10. a power switch; 11. an alarm switch; 12. a signal line; 13. a micro switch; 14. a switch housing.
Detailed Description
As shown in fig. 1, the measuring device for directly measuring the material level of the desulfurized limestone powder bin of the embodiment of the present invention comprises a high material level blocking rotary switch 41 and a low material level blocking rotary switch 42 which have the same structure.
The included angle between the high material level blocking rotary switch 41 and the vertical direction is 90 ℃, the high material level blocking rotary switch 41 is installed on the silo wall 2 of the limestone powder silo 1, and one end of the high material level blocking rotary switch 41 is inserted into the silo wall 2. The included angle between the low level blocking rotary switch 42 and the vertical direction is 90 ℃, the low level blocking rotary switch 42 is installed on the conical hopper wall 3 of the limestone powder bin 1, and one end of the low level blocking rotary switch 42 is inserted into the conical hopper wall 3.
Wherein,
the high level block rotary switch 41 and the low level block rotary switch 42 each include: outer protective housing 5, transmission shaft 6, paddle 7, electric motor 8, spring 9, signal line 12, micro-switch 13 and switch shell 14. A transmission shaft 6 is arranged in the inner cavity of the outer protective shell 5, and an electric motor 8, a spring 9, a signal wire 12 and a micro switch 13 are arranged in the inner cavity of the switch shell 14; the transmission shaft 6 is located on the axis of the inner cavity of the outer protective shell 5, one end of the transmission shaft 6 penetrates through the inner wall of the outer protective shell 5 and is connected with the electric motor 8, the other end of the transmission shaft 6 is connected with one end of the paddle 7, the other end of the paddle 7 is located in the limestone powder bin 1, the blade of the paddle 7 is exposed out of the end of the outer protective shell 5, the electric motor 8 is connected with one end of the spring 9, the other end of the spring 9 is connected with the micro switch 13, and the micro switch 13 is connected with.
Further, the alarm switch also comprises a power switch 10 and an alarm switch 11, wherein the power switch 10 and the alarm switch 11 are arranged outside the switch shell 14, and the signal wire 12 is connected with the power switch 10 and the alarm switch 11. In order to indicate the alarm signal, the alarm switch 11 is provided with an indicator light.
Furthermore, the paddle 7 is detachably connected with the transmission shaft 6, so that the installation is convenient, and the blades of the paddle 7 can be in various types, not only shown in fig. 1.
When in specific use: the electric motor 8 drives the blades of the paddle 7 to rotate freely when the blades do not contact with the limestone powder in the limestone powder bin 1. When the height of the detected limestone powder rises, the blade rotates, the transmission shaft 6 drives the spring 9 to compress, when the limestone powder rises to the position of the blade, the rotation of the blade is blocked, the resistance is transmitted to the detection device in the switch shell 14, and a switch signal is output through the signal line 12, two switches (a power switch 10 and an alarm switch 11) are arranged in the embodiment, when the two switches receive the switch signal, the power switch 10 cuts off the power supply to stop the rotation of the blade, and the alarm switch 11 outputs an alarm signal. When the detected limestone powder level drops, the blade resistance disappears, the spring 9 returns to its original state, the electric motor 8 returns to its original position and the blade resumes operation.
The utility model discloses a rotatory switch 41 is blocked to high material level steric hindrance and the installation of rotatory switch 42 is blocked to low material level, can not cause the operation cost to improve, can not cause the waste, and the charge level indicator measured data is true reliable, satisfies the demand of desulfurizing tower desulfurization reactant, avoids wrong report alarm signal to take place, guarantees that desulfurization system is safe, reliable, economic operation. The stable operation of the main engine of the power plant is ensured, the effects of energy saving, cost reduction and efficiency improvement are achieved, and the method has great economic significance. The device is directly arranged on the wall of the silo and the wall of the cone hopper of the limestone powder bin, is convenient to install, and does not need other equipment except a connecting cable.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A measuring device for directly measuring the material level of a desulfurized limestone powder bin is characterized by comprising a high material level blocking rotary switch (41) and a low material level blocking rotary switch (42) which have the same structure;
the included angle between the high material level blocking rotary switch (41) and the vertical direction is 90 ℃, the high material level blocking rotary switch (41) is installed on the silo wall (2) of the limestone powder silo (1), and one end of the high material level blocking rotary switch (41) is inserted into the silo wall (2);
the included angle between the low material level blocking rotary switch (42) and the vertical direction is 90 ℃, the low material level blocking rotary switch (42) is installed on the conical hopper wall (3) of the limestone powder bin (1), and one end of the low material level blocking rotary switch (42) is inserted into the conical hopper wall (3);
wherein,
the high level block rotary switch (41) and the low level block rotary switch (42) each include: the device comprises an outer protective shell (5), a transmission shaft (6), a paddle (7), an electric motor (8), a spring (9), a signal wire (12), a micro switch (13) and a switch shell (14);
the transmission shaft (6) is arranged in an inner cavity of the outer protective shell (5), and the electric motor (8), the spring (9), the signal wire (12) and the micro switch (13) are arranged in an inner cavity of the switch shell (14);
the utility model discloses a lime stone powder bin, including outer protective housing (5), transmission shaft (6) one end pass outer protective housing (5) inner wall and with electric motor (8) are connected, the transmission shaft (6) other end with paddle (7) one end is connected, paddle (7) other end is located in lime stone powder bin (1), electric motor (8) with spring (9) one end is connected, spring (9) other end with micro switch (13) are connected, micro switch (13) with signal line (12) are connected.
2. The measuring device according to claim 1, further comprising a power switch (10) and an alarm switch (11), the power switch (10) and the alarm switch (11) being disposed outside the switch housing (14), the signal line (12) being connected to the power switch (10) and the alarm switch (11).
3. A measuring device according to claim 2, characterized in that an indicator light is provided on the alarm switch (11).
4. A measuring device according to claim 1, characterized in that the blade (7) is detachably connected to the drive shaft (6).
5. A measuring device as claimed in claim 1, characterised in that the blades of the blade (7) are exposed at the end of the outer protective shell (5) on the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720454348.7U CN206670717U (en) | 2017-04-26 | 2017-04-26 | A kind of measurement apparatus of direct measurement desulfurized limestone powder storehouse material level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720454348.7U CN206670717U (en) | 2017-04-26 | 2017-04-26 | A kind of measurement apparatus of direct measurement desulfurized limestone powder storehouse material level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206670717U true CN206670717U (en) | 2017-11-24 |
Family
ID=60371296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720454348.7U Expired - Fee Related CN206670717U (en) | 2017-04-26 | 2017-04-26 | A kind of measurement apparatus of direct measurement desulfurized limestone powder storehouse material level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206670717U (en) |
-
2017
- 2017-04-26 CN CN201720454348.7U patent/CN206670717U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 |