CN211786789U - Liquid level control automatic drainage device suitable for steam condensate water - Google Patents
Liquid level control automatic drainage device suitable for steam condensate water Download PDFInfo
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- CN211786789U CN211786789U CN202020888535.8U CN202020888535U CN211786789U CN 211786789 U CN211786789 U CN 211786789U CN 202020888535 U CN202020888535 U CN 202020888535U CN 211786789 U CN211786789 U CN 211786789U
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Abstract
The utility model discloses an automatic drainage device of level control suitable for steam condensate water, including steam condensate water storage tank and water pump, still include the guide arm of a floater and a vertical setting in steam condensate water storage tank, the guide arm passes the floater, the floater can reciprocate on the guide arm along with the liquid level, steam condensate water storage tank has minimum liquid level and highest liquid level when the water storage, the high department that lies in minimum liquid level and highest liquid level on the guide arm embeds respectively has low level switch KL and high level switch KH, the floater triggers low level switch KL or high level switch KH when removing to low level switch KL or high level switch KH department. When the water level changes, the floater goes up and down along the guide rod, even if the temperature of the condensed water is high and the condensed water boils, the floater is not easy to jump, so that the problem of circuit false triggering caused by the jump of the steam condensed water boiling floater is solved, the control on the water pump is more accurate, the floater does not jump and is also reduced, the fault occurrence rate is increased, and the service life of the device is prolonged.
Description
Technical Field
The utility model relates to a liquid level control technical field, in particular to automatic drainage device of liquid level control suitable for steam condensate water.
Background
The cable type float switch is widely used for automatic control and water shortage protection of water level of water towers and pools, the device is connected with a water pump through an elastic wire, the allowed electric appliance is about 220V/10A, and the length of the wire from a certain fixed point of a balance weight or the elastic wire to a float bowl determines the height of the water level. The water level switch has wide application and low price, and is suitable for occasions with less strict requirements. The principle of the float switch is that the on-off of the switch is realized by utilizing magnetic force, a contact point is usually a magnet, and when a float ball moves to the contact point along with the liquid level, the magnetic force of the contact point prompts the float switch to be conducted.
Steam condensate water storage tank is the device that is used for collecting steam condensate water in the industry often, and steam condensate water storage tank has minimum liquid level and highest liquid level, and the operating requirement does, and through the water pump with water discharge when the comdenstion water level in the steam condensate water storage tank reaches the highest water level, water pump stop work when the comdenstion water level in the steam condensate water storage tank reaches minimum water level, controls opening of water pump among the prior art through float switch usually and stops. However, due to the high temperature of the steam condensate water, a common floating ball switch can continuously bounce on the surface of boiling water, so that a circuit can malfunction, and contacts of a contactor are burnt by electric arcs due to frequent opening and closing; the float ball jumps and can also cause the micro switch in the float ball to produce mechanical damage, and the drain pump can not accurately start and stop automatically at the expected liquid level.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a liquid level control automatic drainage device suitable for steam condensate water, its advantage is reliable to the control of liquid level, and the fault rate is low.
The above-mentioned purpose of the utility model is realized through following technical scheme, an automatic drainage device of level control suitable for steam condensate water, including steam condensate water storage tank and the water pump that is arranged in the condensate water pump of steam condensate water storage tank, still include a floater and a vertical guide arm that sets up in steam condensate water storage tank, be equipped with the guiding hole on the floater, the guiding hole on the floater is passed to the guide arm, the floater can reciprocate on the guide arm along with the liquid level, condensate water storage tank is minimum liquid level and highest liquid level when the water storage, the height department that lies in minimum liquid level and highest liquid level on the guide arm embeds respectively low level switch KL and high level switch KH, the floater triggers low level switch KL or high level switch KH when removing to low level switch KL or high level switch KH department, low level switch KL is used for the feed pump to send stop signal, high level switch KH sends start signal to the water pump.
Through the technical scheme, when the water level in the steam condensate water storage tank changes, the floating ball moves up and down on the guide rod along with the liquid level, when the water level in the steam condensate water storage tank reaches the highest water level, the floating ball moves to the high liquid level switch KH and triggers the high liquid level switch KH, the high liquid level switch KH generates a starting signal to the water pump, and the water pump is started to discharge water in the steam condensate water storage tank; when the water level in the steam condensate water storage tank reaches the lowest water level, the floating ball moves to the low liquid level switch KL and triggers the low liquid level switch KL, the low liquid level switch KL generates a stop signal to the water pump, the water pump stops, and the steam condensate water storage tank starts to store water. When the water level changes, the floater goes up and down along the guide rod, even if the temperature of the condensed water is high and the condensed water boils, the floater is not easy to jump, so that the problem of circuit false triggering caused by the jump of the steam condensed water boiling floater is solved, the control on the water pump is more accurate, the floater does not jump and is also reduced, the fault occurrence rate is increased, and the service life of the device is prolonged.
The utility model discloses further set up to, all be equipped with the magnet in low level switch KL, high level switch KH and the floater, the floater triggers low level switch KL or high level switch KH through magnetic force.
Through the technical scheme, the floating ball is triggered to move to the low liquid level switch KL and the high liquid level switch KH by the action of magnetic force when moving to the low liquid level switch KL and the high liquid level switch KH.
The utility model discloses further set up to, guide arm and floater are ceramic material and make.
Through the technical scheme, the ceramic material has good heat resistance and is not easy to deform or damage in boiling water.
The utility model discloses further set up as, still include the control circuit who is used for controlling the water pump, control circuit includes that manual opening stops control circuit and automatic opening and stopping control circuit, manual opening stops control circuit and automatic opening and stopping control circuit and switches through change over switch SA, including stop switch SB1 in the manual opening and stopping control circuit, start switch SB2 and contactor KM, contactor KM is used for controlling whether the water pump switches on the power, water pump circular telegram work when contactor KM circular telegram, stop switch SB1 is normally closed switch, start switch SB2 is normally open switch, stop switch SB1 and start switch SB2 establish ties, a normally open contact of contactor KM connects in parallel in start switch SB2 both sides; automatic open and stop including low level switch KL in the control circuit, high level switch KH and auxiliary relay KA, low level switch KL is normally closed switch, high level switch KH is normally open switch, low level switch KL and high level switch KH establish ties, it has an auxiliary relay KA to establish ties among the control circuit, a normally open contact KA-1 of auxiliary relay KA connects in parallel at high level switch KH's both ends, automatic open and stop control circuit still is connected with contactor KM through another normally open contact KA-2 of auxiliary relay KA.
To sum up, the beneficial effects of the utility model are that, during the water level variation, the floater goes up and down along the guide arm, even if consequently the temperature of comdenstion water is high and the boiling, the floater is also difficult for beating to avoided beating because of the circuit spurious triggering problem that the steam condensate boiling floater leads to, it is more accurate to the control of water pump, the floater is not beated and has also reduced, and the fault incidence has improved the device's life.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a control circuit diagram in the embodiment of the present invention.
In the figure, 1, a steam condensate water storage tank; 2. a floating ball; 3. a guide bar; 4. and (4) a water pump.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Example (b): referring to fig. 1, an automatic drainage device of liquid level control suitable for steam condensate water, including steam condensate water storage tank 1 and the water pump 4 that is arranged in the condensate water storage tank 1 to go out, still include a floater 2 and a vertical guide arm 3 that sets up in steam condensate water storage tank 1, be equipped with the guiding hole on floater 2, guide arm 3 passes the guiding hole on floater 2, floater 2 can reciprocate on guide arm 3 along with the liquid level, the condensate water storage tank is minimum liquid level and highest liquid level when the water storage, the height department that lies in minimum liquid level and highest liquid level on the guide arm 3 embeds respectively has low level switch KL and high level switch KH, floater 2 triggers low level switch KL or high level switch KH when removing to low level switch KL or high level switch KH department, low level switch KL is used for water-feeding pump 4 to send stop signal, high level switch KH sends start signal to water pump 4. When the water level in the steam condensate water storage tank 1 changes, the floating ball 2 moves up and down on the guide rod 3 along with the liquid level, when the water level in the steam condensate water storage tank 1 reaches the highest water level, the floating ball 2 moves to a high liquid level switch KH and triggers the high liquid level switch KH, the high liquid level switch KH generates a starting signal to the water pump 4, and the water pump 4 is started to discharge the water in the steam condensate water storage tank 1; when the water level in the steam condensate water storage tank 1 reaches the lowest water level, the floating ball 2 moves to the low liquid level switch KL and triggers the low liquid level switch KL, the low liquid level switch KL generates a stop signal to the water pump 4, the water pump 4 stops, and the steam condensate water storage tank 1 starts to store water. When the water level changes, the floating ball 2 rises along the guide rod 3, so even if the temperature of the condensed water is high and the condensed water boils, the floating ball 2 is not easy to jump, thereby avoiding the problem of circuit false triggering caused by jumping of the floating ball 2 during boiling of the steam condensed water, controlling the water pump 4 more accurately, reducing the jumping failure rate of the floating ball 2, and prolonging the service life of the device.
All be equipped with the magnet in low level switch KL, high level switch KH and the floater 2, floater 2 passes through magnetic force and triggers low level switch KL or high level switch KH, leans on magnetic force effect to trigger low level switch KL, high level switch KH action when floater 2 removes to low level switch KL, high level switch KH department. Specifically, set up the magnet on low level switch KL, the action of high level switch KH, when being close to with floater 2, magnet in floater 2 and low level switch KL or the magnet interact in high level switch KH and impel low level switch KL or the action of high level switch KH, and current 2 switches of floater are mostly this kind of principle.
The guide rod 3 and the floating ball 2 are made of ceramic materials which have good heat resistance and are not easy to deform or damage in boiling water.
Referring to fig. 2, the water pump control circuit further includes a control circuit for controlling the water pump 4, the control circuit is provided with a main power switch K, the control circuit includes a manual start-stop control circuit and an automatic start-stop control circuit, the left half side in fig. 2 is the manual start-stop control circuit, the right half side is the automatic start-stop control circuit, the manual start-stop control circuit and the automatic start-stop control circuit are switched through a switch SA, and the switch SA can select a knob switch. The manual start-stop control circuit comprises a stop switch SB1, a start switch SB2 and a contactor KM, wherein the contactor KM is used for controlling whether the water pump 4 is connected with a power supply or not, the water pump 4 works when the contactor KM is electrified, the stop switch SB1 is a normally closed switch, the start switch SB2 is a normally open switch, the stop switch SB1 and the start switch SB2 are connected in series, a normally open contact of the contactor KM is connected in parallel with two sides of the start switch SB2, and the stop switch SB1 and the start switch SB2 select a button switch for manual control; automatic open and stop including low level switch KL in the control circuit, high level switch KH and auxiliary relay KA, low level switch KL is normally closed switch, high level switch KH is normally open switch, low level switch KL and high level switch KH establish ties, it has an auxiliary relay KA to establish ties among the control circuit, a normally open contact KA-1 of auxiliary relay KA connects in parallel at high level switch KH's both ends, automatic open and stop control circuit still is connected with contactor KM through another normally open contact KA-2 of auxiliary relay KA.
Working process, closed total switch K, select manual mode or automatic mode through select switch SA, use the automatic mode as an example, automatic start-stop control circuit work this moment, when the water level in steam condensate water storage tank 1 reachs the highest liquid level department, high level switch KH triggers, auxiliary relay KA gets electricity, auxiliary relay KA's normally open contact KA-1 and KA-2 are closed, contactor KM gets electricity, water pump 4 switch-on, water pump 4 discharges the log raft in steam condensate water storage tank 1, auxiliary relay KA's normally open contact KA-1 is closed to form the auto-lock, make this moment high level switch KH even break off water pump 4 and also not cut off the power supply, can carry out continuation drainage to steam condensate water storage tank 1. When the water level in the steam condensate water storage tank 1 reaches the lowest liquid level, the low liquid level switch KL is triggered, the low liquid level switch KL is disconnected, and the water pump 4 is powered off and stops working.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.
Claims (4)
1. A liquid level control automatic drainage device suitable for steam condensate water is characterized by comprising a steam condensate water storage tank (1), a water pump (4) used for discharging a condensate water pump (4) in the steam condensate water storage tank (1), a floating ball (2) and a guide rod (3) vertically arranged in the steam condensate water storage tank (1), wherein a guide hole is formed in the floating ball (2), the guide rod (3) penetrates through the guide hole in the floating ball (2), the floating ball (2) can move up and down on the guide rod (3) along with the liquid level, the condensate water storage tank has the lowest liquid level and the highest liquid level when storing water, a low liquid level switch KL and a high liquid level switch KH are respectively arranged at the height positions of the lowest liquid level and the highest liquid level on the guide rod (3), and the low liquid level switch KL or the high liquid level switch KH is triggered when the floating ball (2) moves to the position of the low liquid level switch KL or the high, the low liquid level switch KL is used for sending a stop signal to the water pump (4), and the high liquid level switch KH sends a start signal to the water pump (4).
2. The automatic drainage device for level control of steam condensate according to claim 1, wherein magnets are disposed in the low level switch KL, the high level switch KH and the floating ball (2), and the floating ball (2) triggers the low level switch KL or the high level switch KH by magnetic force.
3. The automatic draining device for steam condensate level control according to claim 2, characterized in that the guide rod (3) and the floating ball (2) are made of ceramic material.
4. The automatic drainage device for level control of steam condensate water of claim 1, further comprising a control circuit for controlling the water pump (4), wherein the control circuit comprises a manual start-stop control circuit and an automatic start-stop control circuit, the manual start-stop control circuit and the automatic start-stop control circuit are switched by a switch SA, the manual start-stop control circuit comprises a stop switch SB1, a start switch SB2 and a contactor KM, the contactor KM is used for controlling whether the water pump (4) is powered on, the water pump (4) is powered on when the contactor KM is powered on, the stop switch SB1 is a normally closed switch, the start switch SB2 is a normally open switch, the stop switch SB1 and the start switch SB2 are connected in series, and a normally open contact of the contactor KM is connected in parallel to two sides of the start switch SB 2; automatic open and stop including low level switch KL in the control circuit, high level switch KH and auxiliary relay KA, low level switch KL is normally closed switch, high level switch KH is normally open switch, low level switch KL and high level switch KH establish ties, it has an auxiliary relay KA to establish ties among the control circuit, a normally open contact KA-1 of auxiliary relay KA connects in parallel at high level switch KH's both ends, automatic open and stop control circuit still is connected with contactor KM through another normally open contact KA-2 of auxiliary relay KA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020888535.8U CN211786789U (en) | 2020-05-22 | 2020-05-22 | Liquid level control automatic drainage device suitable for steam condensate water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020888535.8U CN211786789U (en) | 2020-05-22 | 2020-05-22 | Liquid level control automatic drainage device suitable for steam condensate water |
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| CN211786789U true CN211786789U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020888535.8U Active CN211786789U (en) | 2020-05-22 | 2020-05-22 | Liquid level control automatic drainage device suitable for steam condensate water |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112473166A (en) * | 2020-10-30 | 2021-03-12 | 新疆天智辰业化工有限公司 | Automatic control method for recycling steam condensate |
| CN114405729A (en) * | 2022-03-29 | 2022-04-29 | 江苏海濎智能科技有限公司 | Spraying robot with automatic supplementary effect |
| CN114737646A (en) * | 2022-03-23 | 2022-07-12 | 甘肃研硕电力科技有限公司 | Water storage tower and control cabinet |
-
2020
- 2020-05-22 CN CN202020888535.8U patent/CN211786789U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112473166A (en) * | 2020-10-30 | 2021-03-12 | 新疆天智辰业化工有限公司 | Automatic control method for recycling steam condensate |
| CN114737646A (en) * | 2022-03-23 | 2022-07-12 | 甘肃研硕电力科技有限公司 | Water storage tower and control cabinet |
| CN114405729A (en) * | 2022-03-29 | 2022-04-29 | 江苏海濎智能科技有限公司 | Spraying robot with automatic supplementary effect |
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