CN203573171U - Liquid level control system - Google Patents
Liquid level control system Download PDFInfo
- Publication number
- CN203573171U CN203573171U CN201320665447.1U CN201320665447U CN203573171U CN 203573171 U CN203573171 U CN 203573171U CN 201320665447 U CN201320665447 U CN 201320665447U CN 203573171 U CN203573171 U CN 203573171U
- Authority
- CN
- China
- Prior art keywords
- liquid level
- level control
- switch
- contactor
- control device
- 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.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 58
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000010865 sewage Substances 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000006424 Flood reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Control Of Non-Electrical Variables (AREA)
Abstract
The utility model relates to a liquid level control system which comprises the components of: a ball float liquid level control device, a liquid level relay, an AC contactor, a sewage pump motor and an alarm. The ball float liquid level control device and the AC contactor are respectively connected with corresponding contacts of the liquid level relay. The sewage pump motor is connected with the AC contractor. The liquid level control system further comprises a switch, a fuse and a circuit breaker. The switch is connected between the ball float liquid level control device and the liquid level relay. One end of the fuse is connected with the switch and the liquid level relay respectively, and the other end is connected with the AC contactor. The circuit breaker is connected with the AC contactor. Compared with the prior art, through performing real-time monitoring on the liquid level in a pit, the liquid level control system has functions of: ensuring normal equipment operation, improving operation efficiency, prolonging service life of the equipment, saving unnecessary maintenance cost, and facilitating mounting debugging and maintenance on the system through adding the switch on the line for starting and stopping the system.
Description
Technical field
The utility model relates to a kind of tank level control system, especially relates to a kind of tank level control system of paper industry.
Background technology
Generally, papermaking fan pump melt pit is designed to lower than left and right, 4 meters, ground, when normal production, due to draining faulty operation or draining ineffective, often there is the phenomenon that in melt pit, sewage is hoarded.When blowdown in time; in melt pit, sewage floods equipment; cause equipment failure; finally need to take the mode of shutdown maintenance; so not only caused equipment loss, and the one or two hour at least time of general shutdown maintenance, four or five hours at most; the production capacity loss that directly causes 3-10 ton not wait, has brought very big inconvenience to normal production.
Utility model content
The purpose of this utility model is exactly to provide a kind of tank level control system in order to overcome the defect that above-mentioned prior art exists.
The purpose of this utility model can be achieved through the following technical solutions: a kind of tank level control system, comprise floating ball liquid level control device, liquid level relay, A.C. contactor and dredge pump motor and alarm, described floating ball liquid level control device and A.C. contactor are connected with the corresponding contact of described liquid level relay respectively, described dredge pump motor is connected with described A.C. contactor, it is characterized in that, this system also comprises switch, fuse and isolating switch, described switch is connected between floating ball liquid level control device and liquid level relay, described fuse one end is connecting valve and liquid level relay respectively, the other end connects A.C. contactor, described isolating switch is connected with A.C. contactor.
Described floating ball liquid level control device comprises open type ball float, and this ball float is closure when high liquid level, during low liquid level, disconnects.
Described switch comprises normally open push button switch and normally closed push button switch, and described normally open push button switch is connected with described floating ball liquid level control device two ends, and described normally closed push button switch one end is connected with normally open push button switch, and the other end is connected with liquid level relay.
Described alarm is LED alarm lamp.
Compared with prior art, the utlity model has following advantage:
1, by the liquid level in Real-Time Monitoring melt pit, guaranteed that the equipment in fan pump melt pit can move under the state of a safety, effectively extended the serviceable life of equipment, saved unnecessary maintenance cost;
2, by automatic monitoring, system, according to liquid level automatic pollution discharge, has reduced operator's workload, has improved work efficiency;
3, by setting up on the line switch, utilize the break-make of switch to carry out start stop system, conveniently system is carried out to Installation and Debugging and maintenance;
4, fuse is installed, is made system there is higher breaking capacity and good current limiting performance;
5, isolating switch is installed and is distributed electric energy; reach the object that does not start continually asynchronous motor; power circuit and motor etc. are carried out to protection; can automatic shutdown circuit when serious overload or short circuit and the fault such as under-voltage occur for they; its function is equivalent to Fuse switch and the combination of crossing underheat relay, and after disjunction fault current, generally does not need to change parts.
Accompanying drawing explanation
Fig. 1 is electrical schematic diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
As shown in Figure 1, a kind of tank level control system, comprise floating ball liquid level control device 1, liquid level relay 2, A.C. contactor 3 and dredge pump motor 4 and alarm 5, described floating ball liquid level control device 1 and A.C. contactor 3 are connected with the corresponding contact of described liquid level relay 2 respectively, described dredge pump motor 4 is connected with described A.C. contactor 3, it is characterized in that, this system also comprises switch, fuse 7 and isolating switch 8, described floating ball liquid level control device 1 comprises open type ball float, this ball float is closure when high liquid level, during low liquid level, disconnect, described switch comprises normally open push button switch SB1 and normally closed push button switch SB2, described normally open push button switch SB1 is connected with described floating ball liquid level control device 1 two ends, described normally closed push button switch SB2 one end is connected with normally open push button switch SB1, the other end is connected with liquid level relay 2, described fuse 7 one end connecting valve SB1 and liquid level relay 2 respectively, the other end connects A.C. contactor 3, described isolating switch 8 is connected with A.C. contactor 3.Described alarm 5 is LED alarm lamp.
Main circuit is the start and stop by relay K M control of sewage disposal motor.
During work, first press normally open push button switch SB1, floating ball liquid level control device disconnects, and loop is in waiting status; When floating ball liquid level control device detects that the liquid level of sewage reaches the upper limit of setting, floating ball liquid level control device closure, the liquid level relay automatic pick that powers on, A.C. contactor closure, dredge pump electric motor starting, blowdown starts, and LED alarm lamp is lighted simultaneously; In the process of blowdown, floating ball liquid level control device is along with liquid level changes and changes, until liquid level is while dropping to lower limit, floating ball liquid level control device disconnects, and liquid level relay dead electricity disconnects, and dredge pump motor quits work.In the process of blowdown, if breaking down, equipment maybe needs maintenance, can press normally closed push button switch SB2, now dredge pump motor quits work, and LED alarm lamp extinguishes.
Claims (4)
1. a tank level control system, comprise floating ball liquid level control device, liquid level relay, A.C. contactor and dredge pump motor and alarm, described floating ball liquid level control device and A.C. contactor are connected with the corresponding contact of described liquid level relay respectively, described dredge pump motor is connected with described A.C. contactor, it is characterized in that, this system also comprises switch, fuse and isolating switch, described switch is connected between floating ball liquid level control device and liquid level relay, described fuse one end is connecting valve and liquid level relay respectively, the other end connects A.C. contactor, described isolating switch is connected with A.C. contactor.
2. a kind of tank level control system according to claim 1, is characterized in that, described floating ball liquid level control device comprises open type ball float, and this ball float is closure when high liquid level, during low liquid level, disconnects.
3. a kind of tank level control system according to claim 1, it is characterized in that, described switch comprises normally open push button switch and normally closed push button switch, described normally open push button switch is connected with described floating ball liquid level control device two ends, described normally closed push button switch one end is connected with normally open push button switch, and the other end is connected with liquid level relay.
4. a kind of tank level control system according to claim 1, is characterized in that, described alarm is LED alarm lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665447.1U CN203573171U (en) | 2013-10-25 | 2013-10-25 | Liquid level control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665447.1U CN203573171U (en) | 2013-10-25 | 2013-10-25 | Liquid level control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203573171U true CN203573171U (en) | 2014-04-30 |
Family
ID=50540895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320665447.1U Expired - Lifetime CN203573171U (en) | 2013-10-25 | 2013-10-25 | Liquid level control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203573171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101698A (en) * | 2016-02-23 | 2017-08-29 | 宝钢特钢有限公司 | The monitoring pump drainage and warning device of underground pump house |
-
2013
- 2013-10-25 CN CN201320665447.1U patent/CN203573171U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101698A (en) * | 2016-02-23 | 2017-08-29 | 宝钢特钢有限公司 | The monitoring pump drainage and warning device of underground pump house |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |
|
| CX01 | Expiry of patent term |