CN208503926U - A kind of negative pressure steam drainage device - Google Patents
A kind of negative pressure steam drainage device Download PDFInfo
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- CN208503926U CN208503926U CN201820874483.1U CN201820874483U CN208503926U CN 208503926 U CN208503926 U CN 208503926U CN 201820874483 U CN201820874483 U CN 201820874483U CN 208503926 U CN208503926 U CN 208503926U
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- water
- tank
- level switch
- water pump
- pipe
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Abstract
The utility model discloses a kind of negative pressure steam drainage devices, including water tank is isolated, exhaust outlet, check-valves, keep the temperature outer tube, water pump, air inlet, water collect tank, low liquid level switch, high level switch, blower, spiral duct, keep the temperature inner tube, water-supply-pipe, rubber pad, PLC controller and ultrasonic liquid level sensor, the water collect tank side is fixed with low liquid level switch and high level switch, and high level switch is located at right above low liquid level switch, the water collect tank other side is provided with water pump, the water collect tank is connected to by water-supply-pipe with water pump input terminal, the water pump is provided with isolation water tank far from the side of water collect tank, the water pump output end is connected to by water-supply-pipe with water tank is isolated, the negative pressure steam drainage device, pass through non-return to liquid and heat preservation, avoid liquid reflux, save the time, prevent liquid from forming condensed water , device is damaged, resource consumption is reduced, improves working efficiency.
Description
Technical field
The utility model relates to steam drainage technical field, specially a kind of negative pressure steam drainage device.
Background technique
In steam transmission process, heat dissipation of pipeline can generate condensed water, if cannot be discharged in time, it will generate water attack；
If water attack scene will be such that unit efficiency declines, or even jeopardize unit safety as the jet chimney of generating set.And in pipe
In the manufacturing process in road, the sundries such as iron rust, welding slag will be inevitably generated, this part sundries is difficult to be done by thorough cleaning again
Only, during steam drainage, the initial stage especially run, this part sundries will enter drain water piping with condensed water
Phenomena such as and in drain valve, finally blocking drain water piping and hydrophobic valve, and make blocked drain, water attack finally occurs.In operation
Pipeline not can be carried out the maintenance of drain water piping, and system shutdown will affect technique production, using the hydrophobic dress of this utility model
Set the generation that can prevent above situation.
A kind of steam drainage device of existing patent public platform CN201772252U, the device can effectively prevent drain water piping and
Hydrophobic valve blocking guarantees that condensed water can be discharged in time, improves steam quality, prevents the generation of water hammer, protection evaporation
Generating set, but the device is complex, control aspect is more, is unfavorable for popular use.For this purpose, it is proposed that a kind of
Negative pressure steam drainage device.
Utility model content
The purpose of this utility model is to provide a kind of negative pressure steam drainage devices, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of negative pressure steam drainage device, including every
From water tank, exhaust outlet, check-valves, heat preservation outer tube, water pump, air inlet, water collect tank, low liquid level switch, high level switch, blower,
Spiral duct, heat preservation inner tube, water-supply-pipe, rubber pad, PLC controller and ultrasonic liquid level sensor, the water collect tank side are solid
Surely there are low liquid level switch and high level switch, and high level switch is located at right above low liquid level switch, the water collect tank other side
It is provided with water pump, the water collect tank is connected to by water-supply-pipe with water pump input terminal, and the water pump is arranged far from the side of water collect tank
Have an isolation water tank, the water pump output end by water-supply-pipe be isolated water tank connection, the water-supply-pipe outside positioned at water pump and every
From check-valves is fixed between water tank, the water-supply-pipe outer sheath is equipped with heat preservation inner tube, and the heat preservation inner tube outer sheath, which is equipped with, to be protected
Warm outer tube, described keep the temperature in the annular groove formed between inner tube and heat preservation outer tube are fixed with spiral duct, and the heat preservation outer tube leans on
It is fixed with blower on the outside of one end of nearly water collect tank, heat preservation outer tube both ends side wall offers air inlet and air outlet respectively, and
Blower output end is connected to air inlet, and the water collect tank side is fixed with PLC controller, and the water collect tank top inner wall is fixed with
Ultrasonic liquid level sensor, the ultrasonic liquid level sensor output end are electrically connected the input terminal of PLC controller, the PLC
The output end of controller is electrically connected water pump.
Preferably, the water pump bottom is fixed with rubber pad.
Preferably, the heat preservation inner tube and heat preservation outer tube are a kind of rigid foam plate.
Preferably, the PLC controller is located at immediately below low liquid level switch.
Preferably, the water-supply-pipe is a kind of aluminium-plastic pipe.
Preferably, the PLC controller uses FX1N-10MR controller.
Compared with prior art, the utility model has the beneficial effects that
1, a kind of negative pressure steam drainage device of the utility model when water level reaches high level switch, passes through PLC controller control
Water pump processed moves liquid out of water collect tank into isolation water tank, and when water level is reduced to low liquid level switch, water pump is stopped doing power,
So that the water in water collect tank is no longer flowed into isolation water tank, made by the cooperation of ultrasonic liquid level sensor and PLC controller
The liquid obtained in water collect tank is flowed in different water levels, is saved the time manually nursed, has been accurately controlled liquid
Amount, so that device is more accurate, improves work efficiency.
2, a kind of negative pressure steam drainage device of the utility model, the pressure being greater than in water collect tank due to the pressure in isolation water tank
By force, thus isolation water tank in liquid towards water collect tank flow, when liquid motion arrive check-valves when, check-valves prevent liquid flow direction
Water collect tank on the outside of water-supply-pipe when the temperature is excessively high moves wind in spiral duct by blower, to heat preservation inner tube and guarantor
Warm outer tube radiates, and by non-return to liquid and heat preservation, avoids liquid reflux, saves the time, prevent liquid from being formed
Condensed water damages device, reduces resource consumption, improves working efficiency.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is that the utility model keeps the temperature inner tube and heat preservation outer tube structure schematic diagram.
In figure: water tank is isolated in 1-；2- exhaust outlet；3- check-valves；4- keeps the temperature outer tube；5- water pump；6- air inlet；7- catchments
Tank；8- low liquid level switch；9- high level switch；10- blower；11- spiral duct；12- keeps the temperature inner tube；13- water-supply-pipe；14- rubber
Rubber mat；15-PLC controller；16- ultrasonic liquid level sensor.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of negative pressure steam drainage device, including isolation
Water tank 1, exhaust outlet 2, check-valves 3, heat preservation outer tube 4, water pump 5, air inlet 6, water collect tank 7, low liquid level switch 8, high level switch
9, blower 10, spiral duct 11, heat preservation inner tube 12, water-supply-pipe 13, rubber pad 14, PLC controller 15 and supersonic liquid level sensing
Device 16,7 side of water collect tank is fixed with low liquid level switch 8 and high level switch 9, and high level switch 9 is opened positioned at low liquid level
It closes right above 8,7 other side of water collect tank is provided with water pump 5, and the water collect tank 7 is connected by water-supply-pipe 13 and 5 input terminal of water pump
Logical, the water pump 5 is provided with isolation water tank 1 far from the side of water collect tank 7,5 output end of water pump by water-supply-pipe 13 with every
It is connected to from water tank 1, is located between water pump 5 and isolation water tank 1 on the outside of the water-supply-pipe 13 and is fixed with check-valves 3, the water-supply-pipe
13 outer sheaths are equipped with heat preservation inner tube 12, and 12 outer sheath of heat preservation inner tube is equipped with heat preservation outer tube 4, the heat preservation inner tube 12 and heat preservation
Spiral duct 11 is fixed in the annular groove formed between outer tube 4, the heat preservation outer tube 4 is solid on the outside of one end of water collect tank 7
Surely have a blower 10, the 4 both ends side wall of heat preservation outer tube offers air inlet 6 and air outlet respectively, and 10 output end of blower with into
Air port 6 is connected to, and 7 side of water collect tank is fixed with PLC controller 15, and 7 top inner wall of water collect tank is fixed with ultrasonic solution
Level sensor 16,16 output end of ultrasonic liquid level sensor are electrically connected the input terminal of PLC controller 15, the PLC control
The output end of device 15 processed is electrically connected water pump 10.
5 bottom of water pump is fixed with rubber pad 14, and rubber pad 14 has certain elastic force, reduces pump working and to shake
It is dynamic, increase stability.
The heat preservation inner tube 12 and heat preservation outer tube 4 are a kind of rigid foam plate, and the rigid foam plate is protected
Temp effect is more preferable.
The PLC controller 15 is located at immediately below low liquid level switch 8, prevents PLC controller 15 from supersonic liquid level being stopped to pass
Sensor sight.
The water-supply-pipe 13 is a kind of aluminium-plastic pipe, and aluminium-plastic pipe toughness is more preferable, more durable, saves resource consumption.
The PLC controller 15 uses FX1N-10MR controller, high degree of automation.
Working principle: the negative pressure state in water collect tank 7 makes liquid not flow away outward, when water level reaches high level switch
When 9, by PLC controller 15 control water pump 5 by liquid out of water collect tank 7 to isolation water tank 1 in move, when water level be reduced to it is low
When liquid-level switch 8, water pump 5 is stopped doing power, so that the water in water collect tank 7 is no longer flowed into isolation water tank 1, and since water is isolated
Pressure in case 1 is greater than the pressure in water collect tank 7, so the liquid in isolation water tank 1 is flowed towards water collect tank 7, when liquid is transported
When moving check-valves 3, check-valves 3 prevents liquid from flowing to water collect tank 7, on the outside of water-supply-pipe 13 when the temperature is excessively high, passes through blower
10 move wind in spiral duct 11, radiate to heat preservation inner tube 12 and heat preservation outer tube 4.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of negative pressure steam drainage device, including isolation water tank (1), exhaust outlet (2), check-valves (3), heat preservation outer tube (4), water
Pump (5), air inlet (6), water collect tank (7), low liquid level switch (8), high level switch (9), blower (10), spiral duct (11),
Keep the temperature inner tube (12), water-supply-pipe (13), rubber pad (14), PLC controller (15) and ultrasonic liquid level sensor (16), feature
Be: water collect tank (7) side is fixed with low liquid level switch (8) and high level switch (9), and high level switch (9) is located at
Low liquid level switchs right above (8), and water collect tank (7) other side is provided with water pump (5), and the water collect tank (7) passes through water-supply-pipe
(13) it is connected to water pump (5) input terminal, the water pump (5) is provided with isolation water tank (1) far from the side of water collect tank (7), described
Water pump (5) output end by water-supply-pipe (13) be isolated water tank (1) connection, the water-supply-pipe (13) outside positioned at water pump (5) and
It is fixed with check-valves (3) between isolation water tank (1), water-supply-pipe (13) outer sheath is equipped with heat preservation inner tube (12), the heat preservation
Inner tube (12) outer sheath is equipped with heat preservation outer tube (4), described to keep the temperature inner tube (12) and keep the temperature in the annular groove formed between outer tube (4)
It is fixed with spiral duct (11), heat preservation outer tube (4) is fixed with blower (10) on the outside of the one end of water collect tank (7), described
Heat preservation outer tube (4) both ends side wall offers air inlet (6) and air outlet respectively, and blower (10) output end and air inlet (6) are even
Logical, water collect tank (7) side is fixed with PLC controller (15), and water collect tank (7) top inner wall is fixed with supersonic liquid level
Sensor (16), ultrasonic liquid level sensor (16) output end is electrically connected the input terminal of PLC controller (15), described
The output end of PLC controller (15) is electrically connected water pump (5).
2. a kind of negative pressure steam drainage device according to claim 1, it is characterised in that: water pump (5) bottom is fixed
There are rubber pad (14).
3. a kind of negative pressure steam drainage device according to claim 1, it is characterised in that: the heat preservation inner tube (12) and guarantor
Warm outer tube (4) is a kind of rigid foam plate.
4. a kind of negative pressure steam drainage device according to claim 1, it is characterised in that: PLC controller (15) position
Immediately below low liquid level switch (8).
5. a kind of negative pressure steam drainage device according to claim 1, it is characterised in that: the water-supply-pipe (13) is one kind
Aluminium-plastic pipe.
6. a kind of negative pressure steam drainage device according to claim 4, it is characterised in that: the PLC controller (15) is adopted
With FX1N-10MR controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820874483.1U CN208503926U (en) | 2018-06-07 | 2018-06-07 | A kind of negative pressure steam drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820874483.1U CN208503926U (en) | 2018-06-07 | 2018-06-07 | A kind of negative pressure steam drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208503926U true CN208503926U (en) | 2019-02-15 |
Family
ID=65288705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820874483.1U Active CN208503926U (en) | 2018-06-07 | 2018-06-07 | A kind of negative pressure steam drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208503926U (en) |
-
2018
- 2018-06-07 CN CN201820874483.1U patent/CN208503926U/en active Active
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