CN107726036A - Drain valve condition checkout gear, drainage mechanism and drain valve condition detection method - Google Patents
Drain valve condition checkout gear, drainage mechanism and drain valve condition detection method Download PDFInfo
- Publication number
- CN107726036A CN107726036A CN201711130465.9A CN201711130465A CN107726036A CN 107726036 A CN107726036 A CN 107726036A CN 201711130465 A CN201711130465 A CN 201711130465A CN 107726036 A CN107726036 A CN 107726036A
- Authority
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- China
- Prior art keywords
- drain valve
- drain
- temperature
- detecting element
- checkout gear
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 115
- 230000002159 abnormal effect Effects 0.000 claims abstract description 9
- 239000000523 sample Substances 0.000 claims description 6
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 238000009990 desizing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- 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
- F16T1/48—Monitoring arrangements for inspecting, e.g. flow of steam and steam condensate
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses a kind of drain valve condition checkout gear, drainage mechanism and water valve condition detection method.Drain valve condition checkout gear includes the first detector unit, second temperature detecting element, pressure detecting element and controller.First detector unit is used to be located on drain water piping and close to the water intake end of drain valve, first detector unit is used for the temperature for detecting the drain valve water intake end in drain water piping, second temperature detecting element is used to be located on drain water piping and close to the water side of drain valve, second temperature detecting element is used to detect in drain water piping from the temperature of drain valve water side, pressure detecting element is used to be located on drain water piping and close to the water side of drain valve, pressure detecting element is used for the pressure for detecting the flash steam in drain water piping, controller is electrically connected with the first detector unit, second temperature detecting element and pressure detecting element.Whether the drain valve condition checkout gear can monitor drain valve abnormal.
Description
Technical field
The present invention relates to weaving weaving field, more particularly to a kind of drain valve condition checkout gear, drainage mechanism and dredges
Water valve condition detection method.
Background technology
At present in textile industry, had much using the equipment of steam, such as feeder, warp sizing machine, desizing machine.Above-mentioned needs
Installation drain valve is just needed to carry out its condensed water using the equipment of steam hydrophobic, drain valve under normal circumstances can be by equipment
Steam changes into condensed water and is discharged into condensate pipe, and drain valve in time can not cause condensed water discharge pipe road in abnormal conditions
There is ponding situation or cause steam from trap leaking in inside, when can not in time and quickly find that drain valve is asked extremely
Topic, then can cause the waste of steam.One equipment needs to install the drain valve of one to more than ten quantity, in whole workshop
Drain valve quantity on multiple devices is just more, causes the waste of steam can be more.
The content of the invention
Based on this, it is necessary to which providing a kind of can monitor the whether abnormal drain valve state-detection dress of drain valve state in real time
Put, drainage mechanism and drain valve condition detection method.
A kind of drain valve condition checkout gear, including the first detector unit, second temperature detecting element, pressure detecting
Element and controller, first detector unit are used to be located on drain water piping and close to the water intake end of drain valve,
First detector unit is used for the temperature for detecting the drain valve water intake end, and the second temperature detecting element is used to set
On the drain water piping and close to the water side of the drain valve, the second temperature detecting element is used to detect described dredge
The temperature of water valve water side, the pressure detecting element are used to be located at going out on the drain water piping and close to the drain valve
Water end (W.E.), the pressure detecting element are used for the pressure for detecting the flash steam in the drain water piping, and the controller difference is electrical
It is connected to first detector unit, the second temperature detecting element and the pressure detecting element.
In one of the embodiments, first detector unit is temperature probe.
In one of the embodiments, the second temperature detecting element is temperature probe.
In one of the embodiments, the pressure detecting element is pressure sensor.
In one of the embodiments, in addition to warning piece, the warning piece are electrically connected with the controller.
In one of the embodiments, the warning piece has alarm lamp, and the alarm lamp and the controller are electrical
Connection.
In one of the embodiments, the warning piece also has alarm alarm bell, the alarm alarm bell and the control
Device is electrically connected with.
In one of the embodiments, position of the pressure detecting element on the drain water piping second temperature
Detecting element is spent away from the drain valve.
Another object of the present invention, which also resides in, provides a kind of drainage mechanism.
A kind of drainage mechanism, including drain water piping and drain valve, the drainage mechanism also include described drain valve shape
State detection means；
The drain valve is located on the drain water piping for opening or closing the drain water piping；
First detector unit of the drain valve condition checkout gear is located on the drain water piping and close to institute
State the water intake end of drain valve, the second temperature detecting element of the drain valve condition checkout gear be located on the drain water piping and
Close to the water side of the drain valve, the pressure detecting element of the drain valve condition checkout gear is located at the drain water piping
Above and close to the water side of the drain valve, the controller of the drain valve condition checkout gear it is electrically connected in described
First detector unit, the second temperature detecting element and the pressure detecting element.
Another object of the present invention, which also resides in, provides a kind of drain valve condition detection method.
A kind of drain valve condition detection method, comprises the following steps：
The temperature of drain valve water intake end in first detector unit detection drain water piping；
Second temperature detecting element is detected in the drain water piping from the temperature of the drain valve water side；
Pressure detecting element detects the pressure of the flash steam of the drain valve water side in the drain water piping；
When the temperature of the drain valve arrival end is more than the first preset temperature, the temperature of the drain valve water side is less than
Corresponding to pressure sensor detection pressure during saturated-steam temperature, then it represents that the working condition of drain valve is normal；When described hydrophobic
The temperature at valve inlet end is less than the first preset temperature, or the temperature of the drain valve water side is more than pressure sensor detection pressure
Corresponding to power during saturated-steam temperature, then it represents that the working condition of drain valve is abnormal.
Above-mentioned drain valve condition checkout gear, there is provided the first detector unit, second temperature detecting element, pressure
Detecting element and controller；The temperature of drain valve water intake end in first detector unit detection drain water piping；Second temperature
Spend the temperature that detecting element detects drain valve water side in the drain water piping；Pressure detecting element is detected in the drain water piping
The drain valve water side flash steam pressure；The above-mentioned temperature detected, pressure are transmitted, then by temperature
Degree and pressure be input in the configuration software of controller, two temperature and a pressure are set to three variables, monitor this three
The real time data of individual variable, drain valve abnormal state is represented if three variables exceed the normal range (NR) of setting, so as to real
The detection of existing drain valve state.Above-mentioned drain valve condition checkout gear, the exception of drain valve working condition can be found in time,
In order to safeguard drain valve in time, to realize the waste for reducing steam, the purpose for saving the energy.Above-mentioned drain valve state-detection
Device, detected and investigated at the scene without Traditional Man, save time power.
Above-mentioned drainage mechanism, there is provided drain valve condition checkout gear, can find drain valve working condition in time
It is abnormal, in order to safeguard drain valve in time, to realize the waste for reducing steam, the purpose for saving the energy.
Above-mentioned drain valve condition detection method, it is applicable in each equipment that drain valve is housed, the drain valve state
Detection method can quick detection drain valve whether there is ponding problem, in time and quickly pinpoint the problems, to reduce the wave of steam
Take.
Brief description of the drawings
Fig. 1 is the drainage mechanism schematic diagram described in an embodiment.
Description of reference numerals
10th, drainage mechanism；100th, drain valve condition checkout gear；110th, the first detector unit；120th, second temperature
Detecting element；130th, pressure detecting element；200th, drain water piping；300th, drain valve.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give presently preferred embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
The arbitrary and all combination of the Listed Items of pass.
Shown in Figure 1, the present embodiment relate to a kind of drain valve condition checkout gear 100.The drain valve state-detection
Device 100 includes the first detector unit 110, second temperature detecting element 120, pressure detecting element 130 and controller.
Shown in Figure 1, the first detector unit 110 is used to be located on drain water piping 200 and close to drain valve 300
Water intake end, the first detector unit 110 is used to detect the temperature in the water intake end of drain valve 300 in drain water piping 200.
Shown in Figure 1, second temperature detecting element 120 is used to be located on drain water piping 200 and close to drain valve 300
Water side, second temperature detecting element 120 is used to detect in drain water piping 200 from the temperature of the water side of drain valve 300.
Shown in Figure 1, pressure detecting element 130 is used to be located at going out on drain water piping 200 and close to drain valve 300
Water end (W.E.), pressure detecting element 130 are used for the pressure for detecting the flash steam in drain water piping 200.
Controller is electrically connected to be examined in the first detector unit 110, second temperature detecting element 120 and pressure
Survey element 130.
Preferably, in one embodiment, the first detector unit 110 is temperature probe.Second temperature detecting element
120 be temperature probe.
Preferably, in one embodiment, pressure detecting element 130 is pressure sensor.
In one embodiment, in addition to warning piece, warning piece are not shown in the accompanying drawings.Warning piece and controller
It is electrically connected with.
Preferably, in one embodiment, warning piece has alarm lamp.Alarm lamp is electrically connected with controller.Alarm
Part also has alarm alarm bell.Alarm bell of alarming is electrically connected with controller.
Preferably, in one embodiment, position of the pressure detecting element 130 on drain water piping 200 is compared with second temperature
Detecting element 120 is away from drain valve 300.
Above-mentioned drain valve condition checkout gear 100, there is provided the first detector unit 110, second temperature detection member
Part 120, pressure detecting element 130 and controller；Drain valve in first detector unit 110 detection drain water piping 200
The temperature of 300 water intake ends；Second temperature detecting element 120 is detected in drain water piping 200 from the temperature of the water side of drain valve 300；
Pressure detecting element 130 detects the pressure of the flash steam of the water side of drain valve 300 in drain water piping 200；It is above-mentioned to detect
Temperature, pressure are transferred in controller, then temperature and pressure is input in the configuration software of controller, by two temperature with
And a pressure is set to three variables, the real time data of these three variables is monitored, once three variables exceed the normal of setting
Scope then represents the abnormal state of drain valve 300, so as to realize the detection of the state of drain valve 300.Above-mentioned drain valve state-detection
Device 100, the exception of the working condition of drain valve 300 can be found in time, in order to safeguard drain valve 300 in time, subtracted with realizing
The waste of few steam, the purpose for saving the energy.Above-mentioned drain valve condition checkout gear 100, enter at the scene without Traditional Man
Row detection and investigation, save time power.
Shown in Figure 1, the present embodiment also provides a kind of drainage mechanism 10.
Shown in Figure 1, above-mentioned drainage mechanism 10 includes drain water piping 200 and drain valve 300, and drainage mechanism 10 is also
Including drain valve condition checkout gear 100.
Shown in Figure 1, drain valve 300 is located on drain water piping 200 for opening or closing drain water piping 200.
Shown in Figure 1, the first detector unit 110 of drain valve condition checkout gear 100 is located at drain water piping 200
Above and close to the water intake end of drain valve 300, the second temperature detecting element 120 of the condition checkout gear 100 of drain valve 300 it is located at
On drain water piping 200 and close to the water side of drain valve 300, the pressure detecting element 130 of drain valve condition checkout gear 100
It is located on drain water piping 200 and distinguishes close to the water side of drain valve 300, the controller of drain valve condition checkout gear 100
It is electrically connected at the first detector unit 110, second temperature detecting element 120 and pressure detecting element 130.
The drain valve condition checkout gear 100 that the present embodiment is related to is in the state of drain valve 300 on drain water piping 200
A kind of drain valve condition detection method is relate to during detection.
Above-mentioned drainage mechanism 10, there is provided drain valve condition checkout gear 100, can find the work of drain valve 300 in time
Make the exception of state, in order to safeguard drain valve 300 in time, to realize the waste for reducing steam, the purpose for saving the energy.
Above-mentioned drain valve condition detection method, comprises the following steps：
The temperature of the water intake end of drain valve 300 in first detector unit 110 detection drain water piping 200.
Second temperature detecting element 120 is detected in drain water piping 200 from the temperature of the water side of drain valve 300.
Pressure detecting element 130 detects the pressure of the flash steam of the water side of drain valve 300 in drain water piping 200.
When the pressure that pressure sensor is shown is 0：The temperature of the arrival end of drain valve 300 is more than 100 DEG C, and drain valve 300 goes out
When the temperature of water end (W.E.) is less than 100 DEG C, then it represents that the working condition of drain valve 300 is normal；When the temperature of the arrival end of drain valve 300 is small
In 100 DEG C, or the temperature of the water side of drain valve 300 is more than 100 DEG C, then it represents that the working condition of drain valve 300 is abnormal.
Above-mentioned drain valve condition detection method, it is applicable in each equipment that drain valve 300 is housed, the drain valve
300 condition detection methods can quick detection drain valve 300 whether there is ponding problem, in time and quickly pinpoint the problems, to subtract
The waste of few steam.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of drain valve condition checkout gear, it is characterised in that including the first detector unit, second temperature detection member
Part, pressure detecting element and controller, first detector unit are used to be located on drain water piping and close to hydrophobic
The water intake end of valve, first detector unit are used for the temperature for detecting the drain valve water intake end, the second temperature inspection
Element is surveyed to be used to be located on the drain water piping and use close to the water side of the drain valve, the second temperature detecting element
In the temperature for detecting the drain valve water side, the pressure detecting element is used to be located on the drain water piping and close to institute
The water side of drain valve is stated, the pressure detecting element is used for the pressure for detecting the flash steam in the drain water piping, the control
Device processed is electrically connected in first detector unit, the second temperature detecting element and pressure detecting member
Part.
2. drain valve condition checkout gear according to claim 1, it is characterised in that first detector unit is
Temperature probe.
3. drain valve condition checkout gear according to claim 1, it is characterised in that the second temperature detecting element is
Temperature probe.
4. according to the drain valve condition checkout gear described in claim 1-3 any one, it is characterised in that the pressure detecting
Element is pressure sensor.
5. according to the drain valve condition checkout gear described in claim 1-3 any one, it is characterised in that also including alarm portion
Part, the warning piece are electrically connected with the controller.
6. drain valve condition checkout gear according to claim 5, it is characterised in that the warning piece has alarm
Lamp, the alarm lamp are electrically connected with the controller.
7. drain valve condition checkout gear according to claim 5, it is characterised in that the warning piece also has alarm
Alarm bell, the alarm alarm bell are electrically connected with the controller.
8. according to the drain valve condition checkout gear described in claim 1-3 any one, it is characterised in that the pressure detecting
Position of the element on the drain water piping second temperature detecting element is away from the drain valve.
9. a kind of drainage mechanism, it is characterised in that including drain water piping and drain valve, the drainage mechanism will also including right
Seek the drain valve condition checkout gear described in 1-8 any one；
The drain valve is located on the drain water piping for opening or closing the drain water piping；
First detector unit of the drain valve condition checkout gear is located on the drain water piping and dredged close to described
The water intake end of water valve, the second temperature detecting element of the drain valve condition checkout gear are located on the drain water piping and close
In the water side of the drain valve, the pressure detecting element of the drain valve condition checkout gear be located on the drain water piping and
Close to the water side of the drain valve, the controller of the drain valve condition checkout gear is electrically connected in described first
Detector unit, the second temperature detecting element and the pressure detecting element.
10. a kind of drain valve condition detection method, it is characterised in that comprise the following steps：
The temperature of drain valve water intake end in first detector unit detection drain water piping；
Second temperature detecting element detects the temperature of the interior flash steam from the drain valve water side of the drain water piping；
Pressure detecting element detects the pressure of the flash steam of the drain valve water side in the drain water piping；
When the temperature of the drain valve arrival end is more than the first preset temperature, the temperature of the drain valve water side passes less than pressure
Corresponding to sensor detection pressure during saturated-steam temperature, then it represents that the working condition of drain valve is normal；When the hydrophobic valve inlet
The temperature at end is less than the first preset temperature, or the temperature of the drain valve water side is more than pressure sensor detection pressure pair
During the saturated-steam temperature answered, then it represents that the working condition of drain valve is abnormal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711130465.9A CN107726036B (en) | 2017-11-15 | 2017-11-15 | Drain valve state detection device, drain mechanism and drain valve state detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711130465.9A CN107726036B (en) | 2017-11-15 | 2017-11-15 | Drain valve state detection device, drain mechanism and drain valve state detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107726036A true CN107726036A (en) | 2018-02-23 |
| CN107726036B CN107726036B (en) | 2023-11-28 |
Family
ID=61216088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711130465.9A Active CN107726036B (en) | 2017-11-15 | 2017-11-15 | Drain valve state detection device, drain mechanism and drain valve state detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107726036B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102475A (en) * | 2019-12-27 | 2020-05-05 | 湖北中烟工业有限责任公司 | Smoke machine equipment drainage pipeline state detection and early warning system |
| CN111947032A (en) * | 2020-06-22 | 2020-11-17 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | High-energy steam pipeline condensate recovery and drain valve on-line detection system |
| CN113820121A (en) * | 2021-11-17 | 2021-12-21 | 常州艾肯智造科技有限公司 | Combined type steam trap detection device with quick mounting structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06331104A (en) * | 1993-05-20 | 1994-11-29 | Hitachi Ltd | Steam drain discharging device |
| CN102095083A (en) * | 2010-12-16 | 2011-06-15 | 上海工业自动化仪表研究院 | Detecting system used for leakage of gas valve |
| CN103557992A (en) * | 2013-11-19 | 2014-02-05 | 长沙理工大学 | Method for detecting inner leakage of steam hydrophobic valve based on valve front pipe wall temperature detection |
| US20170248273A1 (en) * | 2014-06-30 | 2017-08-31 | Soon Ung Oh | Multiple application orifice steam trap apparatus |
| CN206555699U (en) * | 2017-03-07 | 2017-10-13 | 红塔烟草(集团)有限责任公司 | A kind of drain valve blocks control device |
| CN207514559U (en) * | 2017-11-15 | 2018-06-19 | 广东溢达纺织有限公司 | Drain valve condition checkout gear, drainage mechanism |
-
2017
- 2017-11-15 CN CN201711130465.9A patent/CN107726036B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06331104A (en) * | 1993-05-20 | 1994-11-29 | Hitachi Ltd | Steam drain discharging device |
| CN102095083A (en) * | 2010-12-16 | 2011-06-15 | 上海工业自动化仪表研究院 | Detecting system used for leakage of gas valve |
| CN103557992A (en) * | 2013-11-19 | 2014-02-05 | 长沙理工大学 | Method for detecting inner leakage of steam hydrophobic valve based on valve front pipe wall temperature detection |
| US20170248273A1 (en) * | 2014-06-30 | 2017-08-31 | Soon Ung Oh | Multiple application orifice steam trap apparatus |
| CN206555699U (en) * | 2017-03-07 | 2017-10-13 | 红塔烟草(集团)有限责任公司 | A kind of drain valve blocks control device |
| CN207514559U (en) * | 2017-11-15 | 2018-06-19 | 广东溢达纺织有限公司 | Drain valve condition checkout gear, drainage mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102475A (en) * | 2019-12-27 | 2020-05-05 | 湖北中烟工业有限责任公司 | Smoke machine equipment drainage pipeline state detection and early warning system |
| CN111947032A (en) * | 2020-06-22 | 2020-11-17 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | High-energy steam pipeline condensate recovery and drain valve on-line detection system |
| CN113820121A (en) * | 2021-11-17 | 2021-12-21 | 常州艾肯智造科技有限公司 | Combined type steam trap detection device with quick mounting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107726036B (en) | 2023-11-28 |
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