CN113090803A - Automatic forced condensate water discharging device and method - Google Patents
Automatic forced condensate water discharging device and method Download PDFInfo
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- CN113090803A CN113090803A CN202110390811.7A CN202110390811A CN113090803A CN 113090803 A CN113090803 A CN 113090803A CN 202110390811 A CN202110390811 A CN 202110390811A CN 113090803 A CN113090803 A CN 113090803A
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
Abstract
The invention provides an automatic forced drainage device and method for condensed water. The method comprises the following steps: the closed condensate water recovery system is connected with the normal pressure recovery tank through a pipeline system; the steam trap, the pressure transmitter, the control module and the temperature sensor; the control module outputs a current signal to control the opening of the membrane valve structure; the first pressure sensor and the second pressure sensor are used for detecting the pressure at two sides of the steam trap and respectively outputting first pressure information and a second pressure signal; if the first pressure information is larger than the second pressure information, the control module controls the first film valve to be opened, the second film valve to be closed and condensed water to be discharged into the closed condensed water recovery system, and if the first pressure information is smaller than the second pressure information, the control module controls the first film valve to be closed, the second film valve to be opened and the condensed water to be discharged into the normal-pressure recovery tank. The automatic condensate water forced discharging device solves the problems that in the prior art, the quality of products is affected due to untimely discharge and unsmooth discharge of condensate water.
Description
Technical Field
The invention relates to the technical field of condensate water discharge, in particular to an automatic forced condensate water discharge device and method.
Background
At present, the following method is generally adopted to solve the process quality problem caused by the discharge of condensed water. The first is that: the condensed water is discharged manually before production. In order to eliminate the influence of unsmooth discharge of condensed water on production, before production starts every day, the condensed water accumulated in a pipeline and a heat exchanger needs to be quickly discharged, a bypass valve is generally manually opened to discharge the condensed water, and steam and energy consumption are increased due to uncertainty of discharge time and discharge amount; secondly, the following steps: in the production process, because the working pressure and the discharge time of each condensate water generating device are different, the condensate water discharge is mixed, the efficiency of heat exchange equipment is reduced, and wet mass is generated due to serious water in steam, at the moment, a drain valve bypass needs to be manually opened to discharge the condensate water; or the condensate water bypass valve is opened by 5-10% and kept in a normally open state, so that great waste of energy is caused.
Disclosure of Invention
The invention aims to provide an automatic forced drainage device and method for condensed water, which can solve the problems that the quality of products is influenced due to untimely drainage and unsmooth drainage of the condensed water in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
an automatic forced drain device for condensed water, comprising:
the closed condensate water recovery system is connected with the normal pressure recovery tank through a pipeline system, and the pipeline system comprises a first pipeline, a second pipeline and a third pipeline which are communicated with each other;
a steam trap provided in the first pipe;
a control module;
the temperature sensor is arranged in the first pipeline, electrically connected with the control module and used for outputting first temperature information, and the control module is used for receiving the first temperature information;
a membrane valve structure comprising a first membrane valve and a second membrane valve, the first membrane valve being connected in series to the second conduit, the second membrane valve being connected in series to the third conduit;
the pressure transmitter is arranged in the first pipeline, electrically connected with the control module and used for outputting second temperature information, the control module receives the second temperature information, the control module is used for judging whether the first temperature information is smaller than the second temperature information, and if so, the control module outputs a current signal to control the opening degree of the thin film valve structure;
the first pressure sensor and the second pressure sensor are respectively arranged on two sides of the steam trap, and are electrically connected with the control module and used for detecting the pressures on the two sides of the steam trap and respectively outputting first pressure information and second pressure signals;
the control module is used for judging the magnitude relation between the first pressure information and the second pressure signal, if the first pressure information is larger than the second pressure information, the control module controls the first film valve to be opened, the second film valve to be closed, the condensed water is discharged into the closed condensed water recovery system, and if the first pressure information is smaller than the second pressure information, the control module controls the first film valve to be closed, the second film valve to be opened, and the condensed water is discharged into the normal pressure recovery tank.
On the basis of the technical scheme, the invention can be further improved as follows:
furthermore, the automatic condensate water forced discharge device further comprises a first one-way valve and a second one-way valve, wherein the first one-way valve is connected in series with the second pipeline, and the second one-way valve is connected in series with the third pipeline.
Further, the first membrane valve, the second membrane valve, the first check valve and the second check valve are connected with the pipeline through flanges.
Further, pressure transmitter, temperature sensor, first pressure sensor with second pressure sensor respectively with first pipeline is screwed mutually, pressure transmitter, temperature sensor, first pressure sensor with the depth that second pressure sensor inserts first pipeline is 8 ~ 10 times of protection tube diameter.
Furthermore, the first pressure sensor and the second pressure sensor are connected to the input end of the control module through a plurality of strands of copper wires.
Further, the automatic and forced condensed water discharge device further comprises a valve island, and the valve island, the first membrane valve and the second membrane valve are connected to the communication module of the control module through a Profibus PA industrial Ethernet cable.
Furthermore, the automatic and forced condensed water discharge device further comprises a first positioner, a second positioner, a first valve position sensor and a second valve position sensor, wherein the first positioner and the second positioner are respectively electrically connected with the valve island, the output end of the first positioner is electrically connected with the second membrane valve, and the output end of the second positioner is electrically connected with the first membrane valve; the opening degrees of the first membrane valve and the second membrane valve are respectively detected by a first valve position sensor and a second valve position sensor and correspondingly fed back to the first positioner and the second positioner.
Further, the automatic forced discharging device further comprises a timer, wherein the timer is electrically connected with the control module, when the first valve position detector and the second valve position detector work, the control module outputs trigger information, the timer receives the trigger information to start timing, the timer has set time, and after the set time is reached, the control module forcibly closes the thin film valve structure.
Furthermore, the automatic condensate water forced discharge device further comprises an alarm module, the alarm module is electrically connected with the control module, when the timer reaches the set time, the control module outputs an alarm signal, and the alarm module receives the alarm signal to alarm.
An automatic forced drainage method of condensed water specifically comprises the following steps:
s101, detecting the actual temperature of steam through a temperature sensor, comparing the temperatures measured by a pressure transmitter and the temperature sensor through a control module, and calculating a difference value;
s102, the control module outputs a current signal to control the opening of the thin film valve structure according to the difference value;
s103, the first pressure sensor and the second pressure sensor are used for detecting the pressure on two sides of the steam trap and respectively outputting first pressure information and a second pressure signal;
and S104, the control module is used for judging the magnitude relation between the first pressure information and the second pressure signal, if the first pressure information is larger than the second pressure information, the control module controls the first film valve to be opened, the second film valve to be closed, the condensed water is discharged into the closed condensed water recovery system, and if the first pressure information is smaller than the second pressure information, the control module controls the first film valve to be closed, the second film valve to be opened, and the condensed water is discharged into the normal-pressure recovery tank.
The invention has the following advantages:
according to the automatic forced condensed water discharging device, the actual temperature of steam in a pipeline is actually measured through the temperature sensor, the actually measured temperature is compared with the temperature detected by the pressure transmitter, when the actually measured temperature is lower than the temperature detected by the pressure transmitter, the fact that the steam contains condensed water is indicated, 4-20mA is output to drive the membrane valve structure to be opened, the opening degree is 0-70%, the steam is forcibly discharged, and the condensed water is taken away through the steam until the difference value is 4 mA; and meanwhile, when the valve position detector is opened, the PLC control module starts to time, after steam is discharged for 10 minutes, the difference value cannot disappear, and the PLC control module forcibly closes the valve and gives an alarm to prompt maintenance personnel to check the equipment and energy.
This device comdenstion water is prior to be arranged into the closed comdenstion water recovery system at first membrane valve place, and the prerequisite is that the backpressure is less than comdenstion water discharge pressure, promptly: the pressure detected by the second pressure sensor is lower than that of the first pressure sensor, and at the moment, the first membrane valve is opened and the second membrane valve is closed; the condensed water discharge route is as follows: the system comprises a first tee joint, a first membrane valve, a first one-way valve, a second tee joint and a closed condensate recovery system. But when the back pressure is high, that is, when the pressure detected by the second pressure sensor is higher than that of the first pressure sensor, that is, the back pressure is high, at this time, the condensed water cannot be discharged into the closed condensed water recovery system, at this time, the plc control module controls the second membrane valve to be opened, the first membrane valve to be closed, and the condensed water discharge path: the first tee joint, the second membrane valve, the second one-way valve, the normal-pressure condensed water tank; the problem of among the prior art condensate water discharge untimely, discharge smoothly influence product quality is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of an automatic forced drainage device for condensed water according to an embodiment of the present invention;
fig. 2 is a partial structural schematic view of an automatic forced condensed water discharge device according to an embodiment of the present invention.
Description of reference numerals:
closed condensate recovery system 10, normal pressure recovery tank 20, piping system 30, first pipeline 301, second pipeline 302, third pipeline 303, control module 40, PLC401, valve island 402, temperature sensor 50, membrane valve structure 60, first membrane valve 601, second membrane valve 602, pressure transmitter 70, steam trap 80, first pressure sensor 90, second pressure sensor 100, first check valve 110, second check valve 120, first locator 130, second locator 140, first valve position sensor 150, second valve position sensor 160.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, an automatic forced drain apparatus for condensed water includes:
the closed condensate water recovery system 10 and the normal pressure recovery tank 20 are connected through a pipeline system 30, and the pipeline system 30 comprises a first pipeline 301, a second pipeline 302 and a third pipeline 303 which are communicated with each other;
a steam trap 80 provided in the first pipe 301;
a control module 40; the control module 40 is a PLC control module 40, and the PLC control module 40 includes, but is not limited to, PLCs 401S 7-1200.
The temperature sensor 50 is arranged inside the first pipeline 301, electrically connected with the control module 40, and used for outputting first temperature information, and the control module 40 is used for receiving the first temperature information;
the pressure transmitter 70 is arranged inside the first pipeline 301, electrically connected to the control module 40, and configured to output second temperature information, the control module 40 receives the second temperature information, the control module 40 is configured to determine whether the first temperature information is smaller than the second temperature information, and if so, the control module 40 outputs a current signal to control the opening of the thin film valve structure 60;
a membrane valve structure 60 comprising a first membrane valve 601 and a second membrane valve 602, said first membrane valve 601 being connected in series to said second conduit 302, said second membrane valve 602 being connected in series to said third conduit 303; the first and second membrane valves 601 and 602 include, but are not limited to, samson membrane valves.
Actually measuring the actual temperature of the steam in the first pipeline 301 through the temperature sensor 50, comparing the actually measured temperature with the temperature detected by the pressure transmitter 70, when the actually measured temperature of the temperature sensor 50 is lower than the temperature detected by the pressure transmitter 70, indicating that the steam contains condensed water, outputting 4-20mA to drive the film valve structure 60 to be opened, wherein the opening degree is 0-70%, forcibly discharging the steam, and taking away the condensed water through the steam until the difference value is '4 mA'; the temperature sensor 50 includes, but is not limited to, a Pt100 temperature sensor 50.
The first pressure sensor 90 and the second pressure sensor 100 are respectively arranged at two sides of the steam trap 80, and the first pressure sensor 90 and the second pressure sensor 100 are electrically connected with the control module 40 and are used for detecting the pressures at two sides of the steam trap 80 and respectively outputting first pressure information and second pressure signals;
The control module 40 is configured to determine a magnitude relationship between the first pressure information and the second pressure signal, if the first pressure information is greater than the second pressure information, the control module 40 controls the first membrane valve 601 to open, the second membrane valve 602 to close, the condensed water is discharged into the closed condensed water recovery system 10, if the first pressure information is less than the second pressure information, the control module 40 controls the first membrane valve 601 to close, the second membrane valve 602 to open, and the condensed water is discharged into the normal pressure recovery tank 20.
After the on-site transformation is completed, the steam pipeline realizes detection and intelligent discharge, the condensate water discharge realizes intellectualization and automation, about 80 ten thousand yuan of steam is saved every year, and the consumption of soft water is reduced by 1000 tons.
On the basis of the technical scheme, the invention can be further improved as follows:
further, the automatic forced condensed water discharge device further includes a first check valve 110 and a second check valve 120, the first check valve 110 is connected in series to the second pipeline 302, and the second check valve 120 is connected in series to the third pipeline 303.
Further, the first membrane valve 601, the second membrane valve 602, the first check valve 110, and the second check valve 120 are connected to the pipe through flanges.
Further, the pressure transmitter 70, the temperature sensor 50, the first pressure sensor 90 and the second pressure sensor 100 are respectively screwed with the first pipeline 301, and the depth of the pressure transmitter 70, the temperature sensor 50, the first pressure sensor 90 and the second pressure sensor 100 inserted into the first pipeline 301 is 8-10 times of the diameter of the protection pipe.
Further, the first pressure sensor 90 and the second pressure sensor 100 are connected to the input of the control module 40 through a plurality of copper wires.
Further, the automatic forced drain device for condensed water further comprises a valve island 402, and the valve island 402, the first membrane valve 601 and the second membrane valve 602 are connected to the communication module of the control module 40 through a Profibus PA industrial ethernet cable.
Further, the automatic forced condensed water draining device further comprises a first positioner 130, a second positioner 140, a first valve position sensor 150 and a second valve position sensor 160, wherein the first positioner 130 and the second positioner 140 are respectively electrically connected to the valve island 402, an output end of the first positioner 130 is electrically connected to the second membrane valve 602, and an output end of the second positioner 140 is electrically connected to the first membrane valve 601; the opening degrees of the first and second diaphragm valves 601 and 602 are respectively detected by the first and second valve position sensors 150 and 160 and are correspondingly fed back to the first and second positioners 130 and 140.
Further, the automatic forced discharging device further comprises a timer, the timer is electrically connected to the control module 40, when the first valve position detector and the second valve position detector work, the control module 40 outputs trigger information, the timer receives the trigger information to start timing, the timer has a set time, and after the set time is reached, the control module 40 forcibly closes the thin film valve structure 60.
Further, the automatic condensate water forced discharging device further comprises an alarm module, the alarm module is electrically connected with the control module 40, when the timer reaches the set time, the control module 40 outputs an alarm signal, and the alarm module receives the alarm signal to alarm.
Actually measuring the actual temperature of steam in the pipeline through the temperature sensor 50, comparing the actually measured temperature with the temperature detected by the pressure transmitter 70, when the actually measured temperature is lower than the temperature detected by the pressure transmitter 70, indicating that the steam contains condensed water, outputting 4-20mA to drive the membrane valve structure 60 to be opened, forcibly discharging the steam with the opening degree of 0-70%, and taking away the condensed water through the steam until the difference value is '4 mA'; meanwhile, when the valve position detector is opened, the PLC control module 40 controls the program to start timing, after steam is discharged for 10 minutes, the difference value cannot disappear, and the PLC control module 40 forcibly closes the valve and gives an alarm to prompt maintenance personnel to check equipment and energy.
The device is connected into a closed condensate water recovery system 10 through a stainless steel tee joint, a pipeline where a second membrane valve 602 is located is connected into a normal pressure recovery tank 20 through a second check valve 120, devices such as the membrane valve and the check valve in the device are connected with the pipeline through flanges, a pressure transmitter 70, a temperature sensor 50, a first pressure sensor 90 and a second pressure sensor 100 are installed through embedded threads installed on the tee joint, the inserting depth is at least 8-10 times of the diameter of a protection pipe, and data collected by the first sensor and the second sensor are connected into an A/O input terminal of a PLC401 through 3x0.5 strands of copper wires; the valve island 402, the first thin film valve 601 and the second thin film valve 602 are connected to the PLC401 IM153 communication module through a Profibus PA industrial Ethernet cable, the first valve position sensor 150 and the second valve position sensor 160 are connected to the wiring terminals of the first positioner 130 and the second positioner 140 through 3x0.5 stranded copper wires, the output end of the valve island 402 is connected to the input end of the positioner through a phi 8 pressure air pipe, and the output end of the positioner is connected to the pressure air input end of the thin film valve through the phi 8 pressure air pipe. The pneumatic input is coupled to the input of the valve island 402 through a phi 10 pneumatic tube.
The first pipe 301 includes a first tee and a second tee, and the condensed water automatic forced drain device is connected to the condensed water recovery system through the first tee and the second tee.
An automatic forced drainage method of condensed water specifically comprises the following steps:
s101, comparing the temperatures measured by the pressure transmitter 70 and the temperature sensor 50 through the control module 40;
in this step, the actual temperature of the steam is detected by the temperature sensor 50, and the temperatures measured by the pressure transmitter 70 and the temperature sensor 50 are compared by the control module 40 to calculate a difference value;
s102, the control module 40 controls the opening of the thin film valve structure 60 according to the difference output current signal;
in this step, the control module 40 controls the opening of the thin film valve structure 60 according to the difference output current signal;
s103, detecting the pressure on two sides of the steam trap 80;
in this step, the first pressure sensor 90 and the second pressure sensor 100 detect pressures at both sides of the steam trap 80 and output first pressure information and second pressure signals, respectively;
s104, controlling the states of the first thin film valve 601 and the second thin film valve 602 through the control module 40;
in this step, the control module 40 is configured to determine a magnitude relationship between the first pressure information and the second pressure signal, if the first pressure information is greater than the second pressure information, the control module 40 controls the first membrane valve 601 to open, the second membrane valve 602 to close, and the condensed water is discharged into the closed condensed water recovery system 10, and if the first pressure information is less than the second pressure information, the control module 40 controls the first membrane valve 601 to close, the second membrane valve 602 to open, and the condensed water is discharged into the normal pressure recovery tank 20.
The use process of the automatic condensed water forced discharge device is as follows:
when the device is used, in a preparation stage or a production process of production, the total steam valve is opened, and the pressure and the temperature in the pipeline are gradually increased. The temperature of the drying equipment is measured and controlled by a pressure transmitter 70 on the wire making line, and the principle is that the temperature is measured by utilizing a saturated steam pressure-temperature corresponding relation, and the pressure is adjusted by controlling the opening degree of a steam supply valve, so that the purpose of controlling the temperature is achieved.
The actual temperature of the steam detected by the temperature sensor 50 is compared with the temperatures measured by the pressure transmitter 70 and the temperature sensor 50 through the PLC control module 40, a difference is calculated, the difference is converted into an output 4-20mA to drive the membrane valve structure 60 to be opened, the opening degree of the membrane valve structure 60 is detected by the first valve position sensor 150 and the second valve position sensor 160 and fed back to the first positioner 130 and the second positioner 140, when the first valve position sensor 150 and the second valve position sensor 160 are opened, the timer is triggered and starts timing, the difference cannot disappear after the valve is opened for 10 minutes, the PLC control module 40 forcibly closes the membrane valve structure 60, gives an alarm, and prompts maintenance personnel to check equipment and energy.
The device preferentially discharges the condensed water into the closed condensed water recovery system 10 where the first membrane valve 601 is positioned, if the back pressure is less than the condensed water discharge pressure, namely: the pressure detected by the second pressure sensor 100 is lower than the first pressure sensor 90, at this time, the first diaphragm valve 601 is opened and the second diaphragm valve 602 is closed; the condensed water discharge route is as follows: the first three-way-first membrane valve 601-first one-way valve 110-second three-way-closed condensate recovery system 10. However, when the back pressure is high, that is, when the pressure detected by the second pressure sensor 100 is higher than the first pressure sensor 90, that is, the back pressure is high, at this time, the condensed water cannot be discharged into the closed condensed water recovery system 10, at this time, the PLC control module 40 controls the second membrane valve 602 to be opened, the first membrane valve 601 to be closed, and the condensed water discharge path: the first three-way valve, the second membrane valve 602, the second one-way valve 120, the normal pressure condensed water storage tank.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include more than one of the feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An automatic forced condensate discharge device, comprising:
the closed condensate water recovery system is connected with the normal pressure recovery tank through a pipeline system, and the pipeline system comprises a first pipeline, a second pipeline and a third pipeline which are communicated with each other;
a steam trap provided in the first pipe;
a control module;
the temperature sensor is arranged in the first pipeline, electrically connected with the control module and used for outputting first temperature information, and the control module is used for receiving the first temperature information;
a membrane valve structure comprising a first membrane valve and a second membrane valve, the first membrane valve being connected in series to the second conduit, the second membrane valve being connected in series to the third conduit;
the pressure transmitter is arranged in the first pipeline, electrically connected with the control module and used for outputting second temperature information, the control module receives the second temperature information, the control module is used for judging whether the first temperature information is smaller than the second temperature information, and if so, the control module outputs a current signal to control the opening degree of the thin film valve structure;
the first pressure sensor and the second pressure sensor are respectively arranged on two sides of the steam trap, and are electrically connected with the control module and used for detecting the pressures on the two sides of the steam trap and respectively outputting first pressure information and second pressure signals;
the control module is used for judging the magnitude relation between the first pressure information and the second pressure signal, if the first pressure information is larger than the second pressure information, the control module controls the first film valve to be opened, the second film valve to be closed, the condensed water is discharged into the closed condensed water recovery system, and if the first pressure information is smaller than the second pressure information, the control module controls the first film valve to be closed, the second film valve to be opened, and the condensed water is discharged into the normal pressure recovery tank.
2. The automatic forced drain of condensed water according to claim 1, further comprising a first check valve and a second check valve, the first check valve being connected in series to the second pipe, the second check valve being connected in series to the third pipe.
3. The automatic forced drain device of claim 2, wherein the first membrane valve, the second membrane valve, the first check valve and the second check valve are connected with the pipeline through flanges.
4. The automatic forced drain device of claim 1, wherein the pressure transmitter, the temperature sensor, the first pressure sensor and the second pressure sensor are respectively screwed with the first pipe, and the depth of the pressure transmitter, the temperature sensor, the first pressure sensor and the second pressure sensor inserted into the first pipe is 8-10 times of the diameter of the protection pipe.
5. The automatic forced drain device of claim 1, wherein the first pressure sensor and the second pressure sensor are connected to the input end of the control module by a plurality of strands of copper wires.
6. The condensate automatic forced drain device of claim 1, further comprising a valve island, wherein the valve island, the first membrane valve and the second membrane valve are accessed to the communication module of the control module by a Profibus PA industrial ethernet cable.
7. The condensate automatic forced discharging apparatus according to claim 6, further comprising a first positioner, a second positioner, a first valve position sensor and a second valve position sensor, wherein the first positioner and the second positioner are electrically connected to the valve island, respectively, an output end of the first positioner is electrically connected to the second membrane valve, and an output end of the second positioner is electrically connected to the first membrane valve; the opening degrees of the first membrane valve and the second membrane valve are respectively detected by a first valve position sensor and a second valve position sensor and correspondingly fed back to the first positioner and the second positioner.
8. The condensate water automatic forced discharging device of claim 7, further comprising a timer, wherein the timer is electrically connected to the control module, when the first valve position detector and the second valve position detector are operated, the control module outputs a trigger message, the timer receives the trigger message to start timing, the timer has a set time, and after the set time is reached, the control module forcibly closes the membrane valve structure.
9. The automatic and forcible drainage device of condensed water as claimed in claim 8, further comprising an alarm module, wherein the alarm module is electrically connected to the control module, the control module outputs an alarm signal when the timer reaches the set time, and the alarm module receives the alarm signal to alarm.
10. An automatic forced drainage method of condensed water is characterized by specifically comprising the following steps:
s101, detecting the actual temperature of steam through a temperature sensor, comparing the temperatures measured by a pressure transmitter and the temperature sensor through a control module, and calculating a difference value;
s102, the control module outputs a current signal to control the opening of the thin film valve structure according to the difference value;
s103, the first pressure sensor and the second pressure sensor are used for detecting the pressure on two sides of the steam trap and respectively outputting first pressure information and a second pressure signal;
and S104, the control module is used for judging the magnitude relation between the first pressure information and the second pressure signal, if the first pressure information is larger than the second pressure information, the control module controls the first film valve to be opened, the second film valve to be closed, the condensed water is discharged into the closed condensed water recovery system, and if the first pressure information is smaller than the second pressure information, the control module controls the first film valve to be closed, the second film valve to be opened, and the condensed water is discharged into the normal-pressure recovery tank.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110390811.7A CN113090803B (en) | 2021-04-12 | 2021-04-12 | Automatic forced condensate water discharging device and method |
| PCT/CN2022/086243 WO2022218283A1 (en) | 2021-04-12 | 2022-04-12 | Device and method for automatic forced discharge of condensate water based on self-diagnosis technique |
| ZA2023/06340A ZA202306340B (en) | 2021-04-12 | 2023-06-19 | Device and method for automatic forced discharge of condensate water based on self-diagnosis technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110390811.7A CN113090803B (en) | 2021-04-12 | 2021-04-12 | Automatic forced condensate water discharging device and method |
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| CN113090803A true CN113090803A (en) | 2021-07-09 |
| CN113090803B CN113090803B (en) | 2022-05-03 |
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| CN (1) | CN113090803B (en) |
| WO (1) | WO2022218283A1 (en) |
| ZA (1) | ZA202306340B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2022218283A1 (en) * | 2021-04-12 | 2022-10-20 | 河北白沙烟草有限责任公司保定卷烟厂 | Device and method for automatic forced discharge of condensate water based on self-diagnosis technique |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202613033U (en) * | 2012-06-25 | 2012-12-19 | 河南东大泰隆冶金科技有限公司 | Steam trap special for vaporization system |
| CN202972533U (en) * | 2012-11-21 | 2013-06-05 | 河南中烟工业有限责任公司 | Condensate water automatic discharging device |
| WO2019197945A1 (en) * | 2018-04-09 | 2019-10-17 | Velan Inc. | Electronic steam trap |
| CN210532056U (en) * | 2019-10-08 | 2020-05-15 | 东莞市鼎邦机械科技有限公司 | Self-pressure type power drainage device |
| CN111854463A (en) * | 2020-05-28 | 2020-10-30 | 河南中烟工业有限责任公司 | Condensed water discharge system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011053411B4 (en) * | 2011-09-08 | 2016-04-21 | Beko Technologies Gmbh | Steam trap with fault monitoring |
| CN113090803B (en) * | 2021-04-12 | 2022-05-03 | 河北白沙烟草有限责任公司保定卷烟厂 | Automatic forced condensate water discharging device and method |
-
2021
- 2021-04-12 CN CN202110390811.7A patent/CN113090803B/en active Active
-
2022
- 2022-04-12 WO PCT/CN2022/086243 patent/WO2022218283A1/en active Application Filing
-
2023
- 2023-06-19 ZA ZA2023/06340A patent/ZA202306340B/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202613033U (en) * | 2012-06-25 | 2012-12-19 | 河南东大泰隆冶金科技有限公司 | Steam trap special for vaporization system |
| CN202972533U (en) * | 2012-11-21 | 2013-06-05 | 河南中烟工业有限责任公司 | Condensate water automatic discharging device |
| WO2019197945A1 (en) * | 2018-04-09 | 2019-10-17 | Velan Inc. | Electronic steam trap |
| CN210532056U (en) * | 2019-10-08 | 2020-05-15 | 东莞市鼎邦机械科技有限公司 | Self-pressure type power drainage device |
| CN111854463A (en) * | 2020-05-28 | 2020-10-30 | 河南中烟工业有限责任公司 | Condensed water discharge system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022218283A1 (en) * | 2021-04-12 | 2022-10-20 | 河北白沙烟草有限责任公司保定卷烟厂 | Device and method for automatic forced discharge of condensate water based on self-diagnosis technique |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022218283A1 (en) | 2022-10-20 |
| ZA202306340B (en) | 2023-09-27 |
| CN113090803B (en) | 2022-05-03 |
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