CN211901081U - Kiln fan bearing cooling water shortage alarm device - Google Patents
Kiln fan bearing cooling water shortage alarm device Download PDFInfo
- Publication number
- CN211901081U CN211901081U CN202021608403.1U CN202021608403U CN211901081U CN 211901081 U CN211901081 U CN 211901081U CN 202021608403 U CN202021608403 U CN 202021608403U CN 211901081 U CN211901081 U CN 211901081U
- Authority
- CN
- China
- Prior art keywords
- water
- resistor
- circuit
- indicator light
- cooling water
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a kiln fan bearing cooling lack of water alarm device, including bearing seal container, water tank, water pumper, water pipe and backflow water pipe, be provided with the bearing among the bearing seal container, the outlet end of water tank with the input of water pumper is connected, the output of water pumper passes through water pipe with bearing seal container's the end of intaking is connected, bearing seal container's outlet end is connected with backflow water pipe, backflow water pipe with the end of intaking of water tank is connected, still includes travel switch, liquid level switch and electronic controller, travel switch set up in the below of backflow water pipe's delivery port. The warning device for the cooling water shortage of the kiln fan bearing can find the abnormal condition in the cooling process of the kiln fan bearing in time, ensure the normal operation of equipment and solve the problems of time and labor waste and high cost in the monitoring of the cooling process of the existing kiln fan bearing.
Description
Technical Field
The utility model relates to a kiln fan equipment technical field especially relates to a kiln fan bearing cooling lack of water alarm device.
Background
The kiln fan is high in power and rotating speed and works in a high-temperature environment, and a bearing of the fan is easily damaged by high temperature, so that the kiln can be provided with a circulating cooling water system to cool the bearing. Generally, a kiln fan bearing cooling system pumps cooling water into a bearing sealed container from a water tank to cool a bearing, and then the cooling water flows back into the water tank to form a cooling cycle so as to achieve the purpose of cooling the bearing. However, in actual production, due to evaporation loss of the cooling water during circulation, the water level in the water tank is lowered or water shortage occurs, and at this time, the circulation of the cooling water is abnormally interrupted, and further, there is a possibility that, due to a failure of the water pump, even if the cooling water in the water tank is sufficient, cooling reflux of the circulating water cannot be achieved, and if these conditions are not found, the bearing is easily damaged. To this phenomenon, some factories can install the water level pipe beside the water tank to observe the water level condition in the water tank, or need climb to the water tank to observe whether backflow water flows back to the water tank during inspection, so that the inspection is time-consuming and labor-consuming, and the labor cost and the equipment maintenance cost are high.
SUMMERY OF THE UTILITY MODEL
Problem to the background art provides, the utility model aims to provide a kiln fan bearing cooling lacks water alarm device can in time discover the abnormal conditions that kiln fan bearing cooling process appears, ensures equipment normal operating, has solved the monitoring of current kiln fan bearing cooling process and has wasted time and energy, problem with high costs.
To achieve the purpose, the utility model adopts the following technical proposal:
a kiln fan bearing cooling water shortage alarm device, which comprises a bearing sealed container, a water tank, a water pump, a water pumping pipe and a water return pipe, a bearing is arranged in the bearing sealed container, the water outlet end of the water tank is connected with the input end of the water pump, the output end of the water pump is connected with the water inlet end of the bearing sealing container through the water pumping pipe, the water outlet end of the bearing sealed container is connected with the backflow water pipe, the backflow water pipe is connected with the water inlet end of the water tank, the bearing sealed container further comprises a travel switch, a liquid level switch and an electronic controller, the travel switch is arranged below the water outlet of the backflow water pipe and is provided with a rotatable switch lever, the switch lever performs downward pulling action under the action of cooling water flowing out of the water outlet of the backflow water pipe, and performs resetting action without external force;
the travel switch is provided with a normally open contact SQ1 and a normally closed contact SQ2, the electronic controller is provided with a power supply circuit, a first indicating circuit, a second indicating circuit and a third indicating circuit, the first indicating circuit, the second indicating circuit and the third indicating circuit are connected in parallel with the output end of the power supply circuit, the first indicating circuit comprises a first indicating lamp L1 and a normally open contact SQ1 which are connected in series, the second indicating circuit comprises a second indicating lamp L2 and a normally closed contact SQ2 which are connected in series, the normally open contact SQ1 is connected when the switch lever performs downward dialing action, the normally closed contact SQ2 is disconnected, the normally open contact SQ1 is disconnected when the switch lever performs resetting action, and the normally closed contact SQ2 is connected;
the liquid level switch is installed in the water tank, and the third indicating circuit comprises a third indicating lamp L3 and the liquid level switch which are connected in series.
Preferably, the water outlet of the backflow water pipe is arranged above the middle part of the switch lever.
Preferably, the electronic controller is further provided with an alarm circuit connected with the first indicator circuit in parallel, the alarm circuit comprises an audible and visual alarm, a triode Q1, a resistor R6 and a resistor R5, the audible and visual alarm is electrically connected with a collector of the triode Q1, an emitter of the triode Q1 is electrically connected with a direct current output end of the power circuit, a base of the triode Q1 is electrically connected between the normally closed contact SQ2 and the second indicator lamp L2 through a resistor R6, and the base of the triode Q1 is also electrically connected between the liquid level switch and the third indicator lamp L3 through a resistor R5.
Preferably, the electronic controller further comprises a capacitor C1, and the capacitor C1 is connected in parallel with the first indicating circuit.
Preferably, the electronic controller further comprises a resistor R1, a resistor R2, a resistor R3 and a resistor R4, wherein the resistor R1 is electrically connected between the capacitor C1 and a normally open contact SQ1, the resistor R2 is electrically connected between the normally open contact SQ1 and a first indicator light L1, the resistor R3 is electrically connected between the normally closed contact SQ2 and a second indicator light L2, the resistor R4 is electrically connected between the level switch and a third indicator light L3, the resistor R5 is electrically connected between the level switch and the resistor R4, and the resistor R6 is electrically connected between the normally closed contact SQ2 and the resistor R3.
Preferably, the audible and visual alarm adopts an active buzzer.
Preferably, the power circuit includes an ac input port, a transformer T1, and a rectifier bridge, the ac input port is connected in series with a primary winding of the transformer T1, an ac input port of the rectifier bridge is connected in series with a secondary winding of the transformer T1, and the first indicator circuit, the second indicator circuit, and the third indicator circuit are connected in parallel to a dc output port of the rectifier bridge.
Preferably, the first indicator light L1, the second indicator light L2 and the third indicator light L3 are respectively disposed on a panel of the electronic controller, the first indicator light L1 is a green indicator light, and the second indicator light L2 and the third indicator light L3 are respectively red indicator lights.
Preferably, the outer side wall of the upper part of the water tank is provided with a water inlet pipe, and the outer side wall of the lower part of the water tank is provided with a water outlet pipe.
Preferably, the liquid level switch adopts a floating ball type liquid level switch.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. by arranging the travel switch, the cooling water circulation process of the kiln fan bearing cooling can be monitored in real time, whether the cooling water circulation state is abnormal or not can be displayed without manual operation, the water shortage state of the water tank can be prompted, when the abnormality occurs in the kiln fan bearing cooling process, the abnormality can be found in time, the normal operation of equipment is ensured, and the kiln fan bearing cooling water shortage alarm device is low in cost, simple in structure and capable of effectively reducing the labor cost and the equipment maintenance cost;
2. by arranging the audible and visual alarm, when the audible and visual alarm gives out audible and visual alarm, the abnormality of the cooling water circulation process of the kiln fan bearing can be found, and the first indicator lamp, the second indicator lamp and the third indicator lamp are respectively arranged on the panel of the electronic controller, so that the observation of an operator is facilitated, and the operator can more directly monitor the cooling water circulation process of the kiln fan bearing;
3. through the lateral wall setting on the upper portion of water tank the inlet tube the lateral wall of the lower part of water tank is provided with the drain pipe works as when cooling water level in the water tank is crossed low, can pass through the inlet tube is right the water tank adds the cooling water, perhaps right as needs when the water tank washs, can pass through the drain pipe will water in the water tank is walked, conveniently washs and maintains the water tank.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
Fig. 1 is a schematic structural view of a kiln fan bearing cooling water shortage warning device ("backflow water normal" state) according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a kiln fan bearing cooling water shortage alarm device ("bearing water shortage alarm" state) according to an embodiment of the present invention;
FIG. 3 is an electrical schematic diagram of a kiln fan bearing cooling water shortage warning device according to an embodiment of the present invention;
wherein: the device comprises a bearing sealed container 1, a water tank 2, a water inlet pipe 21, a water outlet pipe 22, a water pump 3, a water pumping pipe 4, a return water pipe 5, a water outlet 51, a travel switch 6, a switch lever 61, a normally open contact SQ1, a normally closed contact SQ2, a liquid level switch 7, an electronic controller 8, a power supply circuit 81, a first indicating circuit 82, a second indicating circuit 83, a third indicating circuit 84, an alarm circuit 85, a first indicating lamp L1, a second indicating lamp L2, a third indicating lamp L3, an audible and visual alarm 86, a triode Q1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a capacitor C1, a transformer T1 and a rectifier bridge 87.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 to 3, a kiln fan bearing cooling water shortage warning device comprises a bearing sealed container 1, a water tank 2, a water pump 3, a water pumping pipe 4 and a water return pipe 5, wherein a bearing is arranged in the bearing sealed container 1, the water outlet end of the water tank 2 is connected with the input end of the water pump 3, the output end of the water pump 3 is connected with the water inlet end of the bearing sealed container 1 through the water pumping pipe 4, the water outlet end of the bearing sealed container 1 is connected with the water return pipe 5, the water return pipe 5 is connected with the water inlet end of the water tank 2, the kiln fan bearing cooling water shortage warning device further comprises a travel switch 6, a liquid level switch 7 and an electronic controller 8, the travel switch 6 is arranged below the water outlet 51 of the water return pipe 5, the travel switch 6 is provided with a rotatable switch lever 61, the switch lever 61 performs a dialing-down action under the action of cooling water flowing out of the water outlet 51 of the water return pipe 5, the switch lever 61 is reset when no external force acts;
the travel switch 6 is provided with a normally open contact SQ1 and a normally closed contact SQ2, the electronic controller 8 is provided with a power supply circuit 81, a first indicator circuit 82, a second indicator circuit 83 and a third indicator circuit 84, the first indicator circuit 82, the second indicator circuit 83 and the third indicator circuit 84 are connected in parallel to the output end of the power supply circuit 81, the first indicator circuit 82 comprises a first indicator lamp L1 and the normally open contact SQ1 which are connected in series, the second indicator circuit 83 comprises a second indicator lamp L2 and the normally closed contact SQ2 which are connected in series, the normally open contact SQ1 is switched on when the switch lever 61 performs downward movement, the normally closed contact SQ2 is switched off, the normally open contact SQ1 is switched off when the switch lever 61 performs return movement, and the normally closed contact SQ2 is switched on;
the liquid level switch 7 is installed in the water tank 2, and the third indicating circuit 83 includes a third indicating lamp L3 and the liquid level switch 7 connected in series.
The reset state of the switch lever 61 is a state in which the switch lever 61 is in a horizontal position.
When the kiln fan bearing is cooled, the water pump 3 pumps cooling water in the water tank 2 into the bearing sealed container 1 through the water pumping pipe 4 to cool the bearing in the bearing sealed container 1, and then the cooling water flows back into the water tank 2 through the water return pipe 5, and the circulation is continuous so as to achieve the purpose of cooling the bearing.
The utility model discloses a set up the travel switch 6 in the below of the delivery port of return water pipe 5, when the delivery port 51 of return water pipe 5 has the cooling water to flow out (cooling water circulation is normal this moment), under the effect of rivers, the action is dialled down to switch lever 6, normally open contact SQ1 switches on, normally closed contact SQ2 breaks off, first pilot lamp L1 lights this moment, the suggestion "return water is normal" state;
when no cooling water flows out from the water outlet 51 of the return water pipe 5 (namely, at the moment, cooling water circulation is lack of water, and abnormality occurs), the switch lever 61 is reset, the normally open contact SQ1 is disconnected, the normally closed contact SQ2 is connected, and at the moment, the second indicator light L2 is lighted to prompt a bearing water shortage alarm state;
when the water level in the water tank 2 is too low, the liquid level switch 7 is triggered to be switched on, and at the moment, the third indicator light L3 is lightened to prompt a 'water tank water level low alarm' state;
through setting travel switch 6 can real time monitoring to kiln fan bearing refrigerated cooling water circulation process, need not manual operation and can show whether unusual cooling water circulation's state, and can indicate water tank 2 lack of water state, can in time discover when kiln fan bearing cooling process appears unusually, ensures equipment normal operating, just kiln fan bearing cooling lack of water alarm device is with low costs, and simple structure has effectively reduced labour cost and equipment maintenance cost.
Preferably, the water outlet 51 of the return water pipe 5 is disposed above the middle portion of the switch lever 61.
By arranging the water outlet 51 of the return water pipe 5 above the middle part of the switch lever 61, when cooling water flows out from the water outlet 51 of the return water pipe 5, water flow falls on the middle part of the switch lever 61, so that the switch lever 61 is prevented from being broken due to uneven stress, the equipment failure rate of the switch lever 61 is reduced, and the normal downward shifting or resetting action of the switch lever 61 is ensured.
Preferably, the electronic controller 8 is further provided with an alarm circuit 85 connected in parallel with the first indicator circuit 82, the alarm circuit 85 includes an audible and visual alarm 86, a transistor Q1, a resistor R6 and a resistor R5, the audible and visual alarm 86 is electrically connected to a collector of the transistor Q1, an emitter of the transistor Q1 is electrically connected to a dc output terminal of the power circuit 81, a base of the transistor Q1 is electrically connected between the normally closed contact SQ2 and the second indicator lamp L2 through a resistor R6, and a base of the transistor Q1 is also electrically connected between the liquid level switch 7 and the third indicator lamp L3 through a resistor R5.
By arranging the alarm circuit 85, the triode Q1 is used for driving the audible and visual alarm 86, when no cooling water flows out from the water outlet 51 of the return water pipe 5 (namely, at the moment, the cooling water is in a circulating water shortage state, and an abnormality occurs), the switch lever 61 performs a reset action, the normally open contact SQ1 is disconnected, the normally closed contact SQ2 is connected, at the moment, the second indicator light L2 is turned on, and the audible and visual alarm 86 gives an audible and visual alarm to prompt a bearing water shortage alarm state;
when the water level in the water tank 2 is too low, the liquid level switch 7 is triggered to be switched on, the third indicator light L3 is turned on, and the audible and visual alarm 86 gives out audible and visual alarm to prompt the state of 'low water level alarm of the water tank';
by arranging the audible and visual alarm 86, when the audible and visual alarm 86 gives out audible and visual alarm, the abnormality of the cooling water circulation process of the kiln fan bearing cooling can be found, so that an operator can more easily and directly monitor the cooling water circulation process of the kiln fan bearing cooling;
in addition, by providing the resistor R5 and the resistor R6, the current value passing through the second indicator light L2 and the third indicator light L3 can be limited, the second indicator light L2 and the third indicator light L3 can be effectively protected, and the second indicator light L2 and the third indicator light L3 can be prevented from being burnt due to excessive current.
Preferably, the electronic controller 8 further comprises a capacitor C1, and the capacitor C1 is connected in parallel with the first indicating circuit 82.
The capacitor C1 can limit the frequency of the audible and visual alarm 86, and the capacitor C1 can ensure the stability of the power supply voltage and the normal operation of the kiln fan bearing cooling water shortage alarm device because the audible and visual alarm 86 has larger current in work.
Preferably, the electronic controller 8 further includes a resistor R1, a resistor R2, a resistor R3 and a resistor R4, the resistor R1 is electrically connected between the capacitor C1 and a normally open contact SQ1, the resistor R2 is electrically connected between the normally open contact SQ1 and a first indicator light L1, the resistor R3 is electrically connected between the normally closed contact SQ2 and a second indicator light L2, the resistor R4 is electrically connected between the level switch 7 and a third indicator light L3, the resistor R5 is electrically connected between the level switch 7 and the resistor R4, and the resistor R6 is electrically connected between the normally closed contact SQ2 and the resistor R3.
By arranging the resistor R1, the resistor R2, the resistor R3 and the resistor R4, the current value of the first indicator light L1, the second indicator light L2 and the third indicator light L3 can be limited, the first indicator light L1, the second indicator light L2 and the third indicator light L3 can be effectively protected, and the first indicator light L1, the second indicator light L2 and the third indicator light L3 can be prevented from being burnt due to overlarge current.
Preferably, the audible and visual alarm 86 is an active buzzer.
The audible and visual alarm 86 adopts an active buzzer, and because the active buzzer is internally provided with a vibration source, the continuous sounding alarm of the audible and visual alarm 86 can be realized only by electrifying, the response is rapid, the structure is simple, and the control is convenient.
Preferably, the power circuit 81 includes an ac input port connected in series with a primary winding of a transformer T1, a transformer T1, and a rectifier bridge 87, an ac input port of the rectifier bridge 87 connected in series with a secondary winding of the transformer T1, and the first indicator circuit 82, the second indicator circuit 83, and the third indicator circuit 84 are connected in parallel to a dc output port of the rectifier bridge 87.
The transformer T1 is provided to convert voltage, and the rectifier bridge 87 rectifies alternating current into pulsed direct current, converts the voltage into voltages used by the first indicator circuit 82, the second indicator circuit 83, and the third indicator circuit 84, and ensures stable use of the first indicator circuit 82, the second indicator circuit 83, and the third indicator circuit 84.
Preferably, the first indicator light L1, the second indicator light L2 and the third indicator light L3 are respectively disposed on a panel of the electronic controller 8, the first indicator light L1 is a green indicator light, and the second indicator light L2 and the third indicator light L3 are respectively red indicator lights.
Through with first pilot lamp L1, second pilot lamp L2 and third pilot lamp L3 set up respectively in electronic controller 8's panel makes things convenient for operator's observation, just first pilot lamp L1 is green pilot lamp, second pilot lamp L2 and third pilot lamp L3 are red pilot lamp respectively, and the operator can confirm more directly perceivedly whether cooling water circulation's state is unusual, has improved kiln fan bearing cooling lack of water alarm device's convenience of use.
Preferably, the outer side wall of the upper part of the water tank 2 is provided with a water inlet pipe 21, and the outer side wall of the lower part of the water tank 2 is provided with a water outlet pipe 22.
Through the lateral wall setting on the upper portion of water tank 2 the inlet tube 21 the lateral wall of the lower part of water tank 2 is provided with drain pipe 22, works as when the cooling water level in water tank 2 is low excessively, can pass through inlet tube 21 is right water tank 2 adds the cooling water, perhaps when needs are right when water tank 2 washs, can pass through drain pipe 22 will water in the water tank 2 is walked, conveniently washs and maintains water tank 2.
Preferably, the liquid level switch 7 is a floating ball type liquid level switch.
The liquid level switch 7 adopts a floating ball type liquid level switch, the floating ball type liquid level switch is operated by magnetic force, and the device does not contain components which cause faults, such as corrugated pipes, springs, sealing and the like, is simple and reliable to operate, and effectively reduces the equipment maintenance rate.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A kiln fan bearing cooling water shortage alarm device, which comprises a bearing sealed container, a water tank, a water pump, a water pumping pipe and a water return pipe, a bearing is arranged in the bearing sealed container, the water outlet end of the water tank is connected with the input end of the water pump, the output end of the water pump is connected with the water inlet end of the bearing sealing container through the water pumping pipe, the water outlet end of the bearing sealed container is connected with the backflow water pipe, the backflow water pipe is connected with the water inlet end of the water tank, it is characterized by also comprising a travel switch, a liquid level switch and an electronic controller, wherein the travel switch is arranged below the water outlet of the backflow water pipe, the travel switch is provided with a rotatable switch lever, the switch lever performs downward shifting action under the action of cooling water flowing out of a water outlet of the return water pipe, and the switch lever performs resetting action without external force;
the travel switch is provided with a normally open contact SQ1 and a normally closed contact SQ2, the electronic controller is provided with a power supply circuit, a first indicating circuit, a second indicating circuit and a third indicating circuit, the first indicating circuit, the second indicating circuit and the third indicating circuit are connected in parallel with the output end of the power supply circuit, the first indicating circuit comprises a first indicating lamp L1 and a normally open contact SQ1 which are connected in series, the second indicating circuit comprises a second indicating lamp L2 and a normally closed contact SQ2 which are connected in series, the normally open contact SQ1 is connected when the switch lever performs downward dialing action, the normally closed contact SQ2 is disconnected, the normally open contact SQ1 is disconnected when the switch lever performs resetting action, and the normally closed contact SQ2 is connected;
the liquid level switch is installed in the water tank, and the third indicating circuit comprises a third indicating lamp L3 and the liquid level switch which are connected in series.
2. The kiln fan bearing cooling water shortage warning device of claim 1, wherein the water outlet of the backflow water pipe is arranged above the middle of the switch lever.
3. The kiln fan bearing cooling water shortage warning device as claimed in claim 1, wherein the electronic controller is further provided with a warning circuit connected with the first indicating circuit in parallel, the warning circuit comprises an audible and visual alarm, a triode Q1, a resistor R6 and a resistor R5, the audible and visual alarm is electrically connected with a collector of the triode Q1, an emitter of the triode Q1 is electrically connected with a direct current output end of a power circuit, a base of the triode Q1 is electrically connected between the normally closed contact SQ2 and the second indicating lamp L2 through a resistor R6, and a base of the triode Q1 is further electrically connected between the liquid level switch and the third indicating lamp L3 through a resistor R5.
4. The kiln fan bearing cooling water shortage warning device of claim 3, wherein the electronic controller further comprises a capacitor C1, and the capacitor C1 is connected in parallel with the first indicating circuit.
5. The kiln fan bearing cooling water shortage alarm device as claimed in claim 4, wherein the electronic controller further comprises a resistor R1, a resistor R2, a resistor R3 and a resistor R4, wherein the resistor R1 is electrically connected between the capacitor C1 and a normally open contact SQ1, the resistor R2 is electrically connected between the normally open contact SQ1 and a first indicator light L1, the resistor R3 is electrically connected between the normally closed contact SQ2 and a second indicator light L2, the resistor R4 is electrically connected between the liquid level switch and a third indicator light L3, the resistor R5 is electrically connected between the liquid level switch and the resistor R4, and the resistor R6 is electrically connected between the normally closed contact SQ2 and the resistor R3.
6. The kiln fan bearing cooling water shortage warning device of claim 5, wherein the audible and visual alarm is an active buzzer.
7. The kiln fan bearing cooling water shortage warning device of claim 1, wherein the power circuit comprises an alternating current input port, a transformer T1 and a rectifier bridge, the alternating current input port is connected in series with a primary side coil of the transformer T1, an alternating current input end of the rectifier bridge is connected in series with a secondary side coil of the transformer T1, and the first indication circuit, the second indication circuit and the third indication circuit are mutually connected in parallel with a direct current output end of the rectifier bridge.
8. The kiln fan bearing cooling water shortage warning device of claim 1, wherein the first indicator light L1, the second indicator light L2 and the third indicator light L3 are respectively arranged on a panel of the electronic controller, the first indicator light L1 is a green indicator light, and the second indicator light L2 and the third indicator light L3 are respectively red indicator lights.
9. The kiln fan bearing cooling water shortage warning device of claim 1, wherein the outer side wall of the upper portion of the water tank is provided with a water inlet pipe, and the outer side wall of the lower portion of the water tank is provided with a water outlet pipe.
10. The kiln fan bearing cooling water shortage warning device of claim 1, wherein the liquid level switch is a floating ball type liquid level switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021608403.1U CN211901081U (en) | 2020-08-06 | 2020-08-06 | Kiln fan bearing cooling water shortage alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021608403.1U CN211901081U (en) | 2020-08-06 | 2020-08-06 | Kiln fan bearing cooling water shortage alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901081U true CN211901081U (en) | 2020-11-10 |
Family
ID=73265793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021608403.1U Active CN211901081U (en) | 2020-08-06 | 2020-08-06 | Kiln fan bearing cooling water shortage alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211901081U (en) |
-
2020
- 2020-08-06 CN CN202021608403.1U patent/CN211901081U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108194339B (en) | Water pump intelligent control system with fault self-checking function | |
| CN104216431B (en) | Novel water level monitoring alarming control device | |
| CN203008116U (en) | Water discharge system | |
| CN211901081U (en) | Kiln fan bearing cooling water shortage alarm device | |
| CN109442850B (en) | Cooling water device and control method | |
| CN104199473A (en) | Alternating-current electrode type water level detecting control circuit | |
| CN204087013U (en) | A kind of novel water level monitoring, alarming control device | |
| CN105756913A (en) | Multifunctional control cabinet for rainwater pumping station | |
| CN214896308U (en) | Intelligent automatic alarm device for monitoring leakage of transformer insulating oil | |
| CN212721648U (en) | Filtrate tank overflow alarm device based on optical coupling | |
| CN206720830U (en) | A kind of ozone water dispenser | |
| CN207547815U (en) | Automatic temp limit circuit and electric iron pallet | |
| CN218729352U (en) | Externally-suspended leakage liquid level monitoring and alarming device | |
| CN208445169U (en) | A kind of dynamic power distribution cabinet with monitoring and alarming system | |
| CN217083878U (en) | SMT production line compressed air monitored control system | |
| CN218151358U (en) | Water supply and drainage control system for water collecting well water pump | |
| CN211082311U (en) | Fire-fighting voltage-stabilizing water pump signal remote monitoring device | |
| CN204787489U (en) | Dry -type numerical control plasma cutting machine power cooling water system for water cooled generator | |
| CN110905830B (en) | Intelligent electronic vacuum drainage controller | |
| CN218120667U (en) | Intermediate frequency furnace water route alarm system | |
| CN219407877U (en) | Liquid recovery apparatus and system | |
| CN204087011U (en) | A kind of ac electrode formula water level detecting and controlling circuit | |
| CN210460108U (en) | Auxiliary system for factory building | |
| CN217057775U (en) | Water storage automatic control system for medical electronic linear accelerator dehumidifier | |
| CN217360630U (en) | Sewage adjusting tank remote monitering system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |