CN106287196A - A kind of steam condensate (SC) steam trap connection and control method thereof - Google Patents
A kind of steam condensate (SC) steam trap connection and control method thereof Download PDFInfo
- Publication number
- CN106287196A CN106287196A CN201610865024.2A CN201610865024A CN106287196A CN 106287196 A CN106287196 A CN 106287196A CN 201610865024 A CN201610865024 A CN 201610865024A CN 106287196 A CN106287196 A CN 106287196A
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- Prior art keywords
- vapor
- liquid separation
- separation tank
- liquid
- drainage pipeline
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
- F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
- F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
- F16T1/38—Component parts; Accessories
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The present invention provides a kind of steam condensate (SC) steam trap connection, including vapor-liquid separation tank, temperature sensor, water inlet, air vent, drainage pipeline and liquid level sensor, water inlet is arranged on the leaning to one side of vapor-liquid separation tank, air vent is arranged on the top of vapor-liquid separation tank, drainage pipeline is arranged on vapor-liquid separation tank and drainage pipeline extends to the bottom of vapor-liquid separation tank, temperature sensor is arranged on the top of vapor-liquid separation tank, for detecting the head temperature of vapor-liquid separation tank, so that exhaust close and unlatching, liquid level sensor is for controlling the liquid level of vapor-liquid separation tank, so that the water inlet of drainage pipeline forms water seal.Owing to being tank body, condensed water all accumulates in tank body lower part, the water inlet of drainage pipeline forms water seal in condensed water bottom, so that it is guaranteed that device can be with continuous drainage and steam will not be discharged, stop gas leak phenomenon, by air vent the discharge of non-condensable gas and bottom blow-down mouth let out dirt, therefore there will not be that gas lock, pressure drag be big and the phenomenon of blocking.
Description
Technical field
The present invention relates to steam technical field of heating, especially a kind of steam condensate (SC) steam trap connection and control method thereof.
Background technology
At present, drain valve the most all can be configured with on the heat transmission equipment that indirectly heats of steam using, and the work of drain valve
With being the heat exchange auxiliary equipment discharged by the steam condensate (SC) of generation after steam heat release, and the drain valve that heat transmission equipment uses all can
There is following problem:
1) intermittent draining, due to the self structure problem of drain valve, drain valve can only be intermittent draining；
2) leakage vapour, according to national standard, the steam loss of drain valve should be less than 3%, but due to crudy or use mill
The reasons such as damage, the actual air leakage of a lot of drain valves is all about 10%, and some is even greater than 10%；
3) gas lock, owing to the air in pipeline when vapour system starts fails to discharge in time, condenses upon in drain valve, makes to dredge
Water valve is constantly in closed mode, and condensed water cannot be discharged；
4) blocking, if filter damage or be fitted without filter before drain valve, it will usually because dirt would cause dredging
Water valve blocking or impeded drainage；
5) pressure drag is big, and to discharge from drain valve due to condensed water needs to overcome certain pressure, if the back pressure of condensate pipe
Greatly, the pressure of needs is bigger, so heat exchanger internal water accumulation can be caused, affects heat transfer effect.
In view of above-mentioned technical problem, it is necessary to this part of discharge steam condensate (SC) is improved, thus replaces
Common drain valve.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of steam condensate (SC) steam trap connection.
In order to achieve the above object, the present invention is by the following technical solutions:
A kind of steam condensate (SC) steam trap connection, including vapor-liquid separation tank, temperature sensor, water inlet, air vent, drain pipe
Road and liquid level sensor, described water inlet is arranged on the leaning to one side of described vapor-liquid separation tank, and described air vent is arranged on described vapour
The top of liquid knockout drum, described drainage pipeline is arranged on described vapor-liquid separation tank and drainage pipeline is to the end of vapor-liquid separation tank
Portion extends, and described temperature sensor is arranged on the top of described vapor-liquid separation tank, for detecting the top of described vapor-liquid separation tank
Temperature, so that described exhaust close and unlatching, described liquid level sensor is used for controlling the liquid level of described vapor-liquid separation tank,
So that the water inlet of described drainage pipeline forms water seal.
Compared with prior art, due to the fact that it is tank body, condensed water all accumulates in tank body lower part, and drainage pipeline
Water inlet is arranged on condensed water bottom and forms water seal, so that it is guaranteed that device can be stopped with continuous drainage and steam will not be discharged
Gas leak phenomenon, it addition, by air vent the discharge of non-condensable gas and bottom blow-down mouth let out dirt, make the present invention without gas lock and
The phenomenon of blocking, and the inside pressure drag of tank body is little.
Further, the discharge outlet of described drainage pipeline is arranged on the top outer of described vapor-liquid separation tank, described drain pipe
It is provided with gap between water inlet and the bottom of described vapor-liquid separation tank in road.
Preferably, being provided with demarcation strip in described vapor-liquid separation tank, described demarcation strip is longitudinally disposed, so that described vapor-liquid separation
Tank is internally formed intake antrum and test chamber, and described intake antrum connects with the upper and lower of described test chamber, described water inlet with
Described intake antrum connects, and described liquid level sensor connects with described test chamber, by arranging demarcation strip, and by water inlet and liquid
Level sensor is separately positioned on demarcation strip both sides, thus effectively prevent what liquid-vapor mixture caused when entering vapor-liquid separation tank
Impact, the detection making liquid level sensor is unstable.
Further, also including sewage draining exit, described sewage outfalls setting is in the bottom of described vapor-liquid separation tank.
Preferably, the water inlet of described drainage pipeline is 50-100mm with the distance of described vapor-liquid separation pot bottom；Described
The lowest detection point of liquid level detector is higher than the water inlet of described drainage pipeline, and both distances are 20-100mm.
Further, described drainage pipeline is provided with draining automatic regulating valve, and described air vent is provided with aerofluxus and automatically switchs
Valve, described sewage draining exit is provided with blowdown automatic switch valve, and described draining automatic regulating valve, aerofluxus automatic switch valve and blowdown are automatic
Switch valve is for controlling the switch of the aperture of described drainage pipeline, air vent and sewage draining exit respectively.
Another object of the present invention is to provide a kind of control method using this steam condensate (SC) steam trap connection, and it includes
Following steps:
A, temperature sensor is arranged temperature threshold, liquid level sensor is arranged high water level setting value and low water level sets
Value, makes liquid-vapor mixture enter and enters vapor-liquid separation tank from water inlet, and condensed water accumulates in vapor-liquid separation under gravity
The bottom of tank, steam accumulates in the top of vapor-liquid separation tank；
B, it is continually fed into liquid-vapor mixture, is gathered the temperature of vapor-liquid separation tank top by temperature sensor, when gathering temperature
When degree is less than the temperature threshold preset, controls aerofluxus automatic switch valve and open, make the non-condensable gas in vapor-liquid separation tank discharge,
When collecting temperature is higher than when arranging threshold temperature, controls aerofluxus automatic switch valve and close；
C, gathered the liquid level in vapor-liquid separation tank by liquid level sensor, when in vapor-liquid separation tank liquid level at height
Time between water level settings value and low water level setting value, certain aperture is opened and maintained to draining automatic regulating valve.
Further, in step c, when liquid level collection value is more than or equal to high water level setting value when, draining is automatic
Control valve opening is gradually increased, and when liquid level collection value is less than or equal to low water level setting value when, draining is automatically adjusted
Valve opening gradually decreases.
Further, when temperature sensor detects vapor-liquid separation tank head temperature again less than the temperature threshold preset,
Blowdown automatic switch valve is opened, and makes the hydrops of vapor-liquid separation pot bottom and precipitate drain through sewage draining exit, at liquid level sensor
When zero-bit, described blowdown automatic switch valve has closed blowdown.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Seeing Fig. 1, a kind of steam condensate (SC) steam trap connection, including vapor-liquid separation tank 1, temperature sensor 2, water inlet 3, row
QI KOU 4, sewage draining exit 5, drainage pipeline 6 and liquid level sensor 7, described water inlet 3 is arranged on leaning to one side of described vapor-liquid separation tank 1
On, described air vent 4 is arranged on the top of described vapor-liquid separation tank 1, and described sewage draining exit 5 is arranged on described vapor-liquid separation tank 1
Bottom, described drainage pipeline 6 is arranged on described vapor-liquid separation tank 1, and the discharge outlet 61 of drainage pipeline 6 is arranged on vapor-liquid separation tank
The top outer of 1, the water inlet 62 of drainage pipeline 6 extends to the bottom appendix of vapor-liquid separation tank 1, and described temperature sensor 2 sets
Put the top at described vapor-liquid separation tank 1, for detecting the head temperature of described vapor-liquid separation tank 1, so that described air vent 4 closes
Closing and open, described liquid level sensor 7 is used for controlling the liquid level of described vapor-liquid separation tank 1, so that described drainage pipeline 6
Water inlet 62 forms water seal.
Distance H bottom the water inlet 62 of above-mentioned drainage pipeline 6 and described vapor-liquid separation tank 1 is preferably 50-100mm；Institute
Stating the lowest detection point 71 water inlet 62 higher than described drainage pipeline 6 of liquid level detector, both distances h are preferably 20-
100mm, optimum distance is 50mm.
Controlled the unlatching of air vent 4 by sensing vapor-liquid separation tank 1 head temperature, make non-condensable gas discharge and prevent gas lock
Phenomenon；By the height of induction level, make the water inlet 62 of drainage pipeline 6 form water seal, be possible to prevent while draining to steam
Vapour is discharged and the phenomenon of gas leakage.
Further, since described drainage pipeline 6 is provided with draining automatic regulating valve 63, described air vent 4 is provided with aerofluxus certainly
Dynamic switch valve 41, described sewage draining exit 5 is provided with blowdown automatic switch valve 51, therefore drainage pipeline 6, air vent 4 and sewage draining exit 5
Open, close and the regulation of aperture, be all adjusted by each regulation valve, switch valve.
As the preferred scheme of one, being provided with demarcation strip 8 in described vapor-liquid separation tank 1, described demarcation strip 8 is longitudinally disposed,
So that described vapor-liquid separation tank 1 is internally formed the upper of intake antrum 11 and test chamber 12, described intake antrum 11 and described test chamber 12
Portion connects with bottom, and described water inlet 3 connects with described intake antrum 11, and described liquid level sensor 7 connects with described test chamber 12,
By arranging demarcation strip 8, and water inlet 3 and liquid level sensor 7 are separately positioned on demarcation strip 8 both sides, thus are prevented effectively from
The impact that liquid-vapor mixture causes when entering vapor-liquid separation tank 1, the detection making liquid level sensor 7 is unstable.
The present invention also provides for a kind of control method using this steam condensate (SC) steam trap connection, and it comprises the steps:
A, temperature sensor 2 is arranged temperature threshold, liquid level sensor 7 is arranged high water level setting value and low water level sets
Value, makes liquid-vapor mixture enter and enters vapor-liquid separation tank 1 from water inlet 3, and condensed water accumulates in vapour-liquid under gravity and divides
From the bottom of tank 1, steam accumulates in the top of vapor-liquid separation tank 1；
B, it is continually fed into liquid-vapor mixture, is gathered the temperature at vapor-liquid separation tank 1 top by temperature sensor 2, work as collection
When temperature is less than the temperature threshold preset, controls aerofluxus automatic switch valve and open, make the non-condensable gas in vapor-liquid separation tank 1 arrange
Go out, when collecting temperature is higher than when arranging threshold temperature, controls aerofluxus automatic switch valve and close；
C, gather the liquid level in vapor-liquid separation tank 1 by liquid level sensor 7, when liquid level in vapor-liquid separation tank 1
Time between high water level setting value and low water level setting value, certain aperture is opened and maintained to draining automatic regulating valve.
As the preferred scheme of one, in step c, when liquid level collection value is more than or equal to high water level setting value
Waiting, draining is automatically adjusted valve opening and is gradually increased, when liquid level collection value is less than or equal to low water level setting value when, and row
Water is automatically adjusted valve opening and gradually decreases.
As the preferred scheme of one, when temperature sensor 2 detects vapor-liquid separation tank 1 head temperature again less than presetting
Temperature threshold time, blowdown automatic switch valve open, make the hydrops bottom vapor-liquid separation tank 1 and precipitate drain through sewage draining exit 5,
When liquid level sensor 7 is in zero-bit, described blowdown automatic switch valve has closed blowdown.
Compared with prior art, due to the fact that it is tank body, condensed water all accumulates in tank body lower part, and drainage pipeline 6
Water inlet 62 be arranged on condensed water bottom, form water seal, so that it is guaranteed that device can with continuous drainage and steam will not be discharged,
Stop gas leak phenomenon, it addition, by air vent 4 discharge of non-condensable gas and bottom blow-down mouth 5 let out dirt, make the present invention without
Gas lock and the phenomenon of blocking, and the inside pressure drag of tank body is little.
The announcement of book and teaching according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula changes and revises.Therefore, the invention is not limited in detailed description of the invention disclosed and described above, to the present invention's
Some modifications and changes should also be as falling in the scope of the claims of the present invention.Although additionally, this specification using
Some specific terms, but these terms are merely for convenience of description, the present invention does not constitute any restriction.
Claims (10)
1. a steam condensate (SC) steam trap connection, it is characterised in that: include vapor-liquid separation tank, temperature sensor, water inlet, aerofluxus
Mouthful, drainage pipeline and liquid level sensor, described water inlet is arranged on the leaning to one side of described vapor-liquid separation tank, and described air vent is arranged
At the top of described vapor-liquid separation tank, described drainage pipeline is arranged on described vapor-liquid separation tank and drainage pipeline divides to vapour-liquid
Extending from the bottom of tank, described temperature sensor is arranged on the top of described vapor-liquid separation tank, is used for detecting described vapor-liquid separation
The head temperature of tank, so that described exhaust close and unlatching, described liquid level sensor is for controlling described vapor-liquid separation tank
Liquid level, so that the water inlet of described drainage pipeline forms water seal.
A kind of steam condensate (SC) steam trap connection the most according to claim 1, it is characterised in that: the draining of described drainage pipeline
Mouth is arranged on the top outer of described vapor-liquid separation tank, the bottom of the water inlet of described drainage pipeline and described vapor-liquid separation tank it
Between be provided with gap.
A kind of steam condensate (SC) steam trap connection the most according to claim 1, it is characterised in that: set in described vapor-liquid separation tank
Having demarcation strip, described demarcation strip is longitudinally disposed, so that described vapor-liquid separation tank is internally formed intake antrum and test chamber, described water inlet
Chamber connects with the upper and lower of described test chamber, and described water inlet connects with described intake antrum, described liquid level sensor and institute
State test chamber connection.
A kind of steam condensate (SC) steam trap connection the most according to claim 1, it is characterised in that: also include sewage draining exit, described
Sewage outfalls setting is in the bottom of described vapor-liquid separation tank.
A kind of steam condensate (SC) steam trap connection the most according to claim 1, it is characterised in that: the water inlet of described drainage pipeline
Mouth is 50-100mm with the distance of described vapor-liquid separation pot bottom.
A kind of steam condensate (SC) steam trap connection, it is characterised in that: described liquid level detector
Lowest detection point higher than the water inlet of described drainage pipeline, both distances are 20-100mm.
A kind of steam condensate (SC) steam trap connection the most according to claim 4, it is characterised in that: described drainage pipeline is provided with
Draining automatic regulating valve, described air vent is provided with aerofluxus automatic switch valve, and described sewage draining exit is provided with blowdown automatic switch valve,
Described draining automatic regulating valve, aerofluxus automatic switch valve and blowdown automatic switch valve are for controlling opening of described drainage pipeline respectively
Degree, air vent and the switch of sewage draining exit.
8. should the control method of steam condensate (SC) steam trap connection described in claim 7, it comprises the steps:
A, temperature sensor is arranged temperature threshold, liquid level sensor is arranged high water level setting value and low water level setting value, makes
Liquid-vapor mixture enters and enters vapor-liquid separation tank from water inlet, and condensed water accumulates in the end of vapor-liquid separation tank under gravity
Portion, steam accumulates in the top of vapor-liquid separation tank；
B, it is continually fed into liquid-vapor mixture, is gathered the temperature of vapor-liquid separation tank top by temperature sensor, when collecting temperature is low
When default temperature threshold, control aerofluxus automatic switch valve and open, make the non-condensable gas in vapor-liquid separation tank discharge, when adopting
Collection temperature, higher than when arranging threshold temperature, controls aerofluxus automatic switch valve and closes；
C, gathered the liquid level in vapor-liquid separation tank by liquid level sensor, when in vapor-liquid separation tank liquid level at high water level
Time between setting value and low water level setting value, certain aperture is opened and maintained to draining automatic regulating valve.
The control method of steam condensate (SC) steam trap connection the most according to claim 8, it is characterised in that: in step c, work as liquid
The when that position height collection value being more than or equal to high water level setting value, draining is automatically adjusted valve opening and is gradually increased, when liquid level is high
The when that degree collection value being less than or equal to low water level setting value, draining is automatically adjusted valve opening and gradually decreases.
The control method of steam condensate (SC) steam trap connection the most according to claim 8, it is characterised in that: work as temperature sensing
When device detects vapor-liquid separation tank head temperature again less than the temperature threshold preset, blowdown automatic switch valve is opened, is made vapour-liquid
Hydrops and precipitate bottom knockout drum are drained through sewage draining exit, and when liquid level sensor is in zero-bit, described blowdown switchs automatically
Valve has cut out blowdown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610865024.2A CN106287196A (en) | 2016-09-29 | 2016-09-29 | A kind of steam condensate (SC) steam trap connection and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610865024.2A CN106287196A (en) | 2016-09-29 | 2016-09-29 | A kind of steam condensate (SC) steam trap connection and control method thereof |
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| CN201610865024.2A Pending CN106287196A (en) | 2016-09-29 | 2016-09-29 | A kind of steam condensate (SC) steam trap connection and control method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969344A (en) * | 2017-05-07 | 2017-07-21 | 丁新平 | A kind of exhaust steam and condensation water collection and the combined unit of steam generation |
| CN108071930A (en) * | 2018-01-15 | 2018-05-25 | 苏州欧拉透平机械有限公司 | For discharging the device of on-condensible gas and condensation water and its application method |
| CN109338789A (en) * | 2018-12-04 | 2019-02-15 | 陕西科技大学 | A kind of draining resistance vapour device and method of steam and condensate system |
| CN109732832A (en) * | 2019-01-16 | 2019-05-10 | 翡柯机械（福建）有限公司 | A kind of foam forming method |
| CN109732835A (en) * | 2019-01-16 | 2019-05-10 | 翡柯机械（福建）有限公司 | A kind of foaming and forming apparatus valve assembly that cooling effect is good |
| CN110604972A (en) * | 2019-10-22 | 2019-12-24 | 包炜廷 | Vapor-liquid separation and recovery device |
| CN111692511A (en) * | 2020-07-14 | 2020-09-22 | 连云港市万达电站辅机厂 | Automatic drainage device without steam exhaust and drainage method thereof |
| CN111808700A (en) * | 2020-07-28 | 2020-10-23 | 泸州老窖集团有限责任公司 | Gas water seal tank for fermentation bin and fermentation device |
| CN114352922A (en) * | 2021-12-10 | 2022-04-15 | 镇江北新建材有限公司 | Condensed water discharge system and method and gypsum board production line |
| CN114384942A (en) * | 2021-12-10 | 2022-04-22 | 镇江北新建材有限公司 | Condensed water liquid level control system, method and device and gypsum board production line |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969344A (en) * | 2017-05-07 | 2017-07-21 | 丁新平 | A kind of exhaust steam and condensation water collection and the combined unit of steam generation |
| CN106969344B (en) * | 2017-05-07 | 2023-05-12 | 丁新平 | Combined device for collecting waste steam and condensed water and generating steam |
| CN108071930A (en) * | 2018-01-15 | 2018-05-25 | 苏州欧拉透平机械有限公司 | For discharging the device of on-condensible gas and condensation water and its application method |
| CN108071930B (en) * | 2018-01-15 | 2023-09-15 | 苏州欧拉透平机械有限公司 | Device for discharging non-condensable gases and condensed water and method of use thereof |
| CN109338789A (en) * | 2018-12-04 | 2019-02-15 | 陕西科技大学 | A kind of draining resistance vapour device and method of steam and condensate system |
| CN109732832A (en) * | 2019-01-16 | 2019-05-10 | 翡柯机械（福建）有限公司 | A kind of foam forming method |
| CN109732835A (en) * | 2019-01-16 | 2019-05-10 | 翡柯机械（福建）有限公司 | A kind of foaming and forming apparatus valve assembly that cooling effect is good |
| CN110604972A (en) * | 2019-10-22 | 2019-12-24 | 包炜廷 | Vapor-liquid separation and recovery device |
| CN111692511A (en) * | 2020-07-14 | 2020-09-22 | 连云港市万达电站辅机厂 | Automatic drainage device without steam exhaust and drainage method thereof |
| CN111808700A (en) * | 2020-07-28 | 2020-10-23 | 泸州老窖集团有限责任公司 | Gas water seal tank for fermentation bin and fermentation device |
| CN114352922A (en) * | 2021-12-10 | 2022-04-15 | 镇江北新建材有限公司 | Condensed water discharge system and method and gypsum board production line |
| CN114384942A (en) * | 2021-12-10 | 2022-04-22 | 镇江北新建材有限公司 | Condensed water liquid level control system, method and device and gypsum board production line |
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