CN217982181U - Condensed water tank device - Google Patents
Condensed water tank device Download PDFInfo
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- CN217982181U CN217982181U CN202222459149.9U CN202222459149U CN217982181U CN 217982181 U CN217982181 U CN 217982181U CN 202222459149 U CN202222459149 U CN 202222459149U CN 217982181 U CN217982181 U CN 217982181U
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Abstract
The utility model relates to a cold rolling pickling condensation water pitcher automatic control technical field. The condensate tank apparatus includes: the condensation water tank main body is internally provided with a thermometer, a liquid level meter and a conductivity meter; the strip steel rinsing tank is communicated with the condensed water tank main body through a water supply valve; the waste water pit is communicated with the condensed water tank main body through a drain valve; the heat exchanger is respectively communicated with the condensed water tank main body through a self-circulation valve and a self-circulation heat exchange pump; the control component is configured to: acquiring the temperature in the condensate tank main body, and if the temperature is greater than a first set threshold value, generating a control instruction for controlling the opening of a self-circulation valve and a self-circulation heat exchange pump; if the temperature is less than or equal to a first set threshold, acquiring the conductivity of the steam condensate in the condensate tank main body, if the conductivity is greater than a second set threshold, generating a control instruction for controlling the opening of the water supply valve, otherwise, generating a control instruction for controlling the opening of the water discharge valve; and acquiring and displaying the liquid level height of the condensed water in the condensed water tank main body.
Description
Technical Field
The utility model relates to a cold rolling pickling condensate water jar automatic control technical field especially relates to condensate water jar device.
Background
The current mainstream pickling process generally comprises 3 acid tanks, the concentration of free acid is sequentially increased from No.1 to No.3 tanks, the concentration and the temperature of acid liquor in each tank are automatically controlled, and the acid liquor is in turbulent flow in the tank, so that iron scales on the surface of strip steel are efficiently removed. The strip steel after pickling enters a cascade type rinsing tank through a squeezing roller, and a production line is provided with a parking spot prevention system in a short-time shutdown rinsing section, so that surface rusty spots can be prevented. The water flow and the chloride ion concentration of each level of the rinsing section are controlled by a conductivity control system. And the rinsed strip steel enters a hot air dryer through a squeezing roller to remove the moisture on the surface of the strip steel.
The water used for rinsing the strip comes from a rinsing water tank, and the rinsing water tank rinses the strip by supplementing desalted water. And the production line adopts the steam condensate water direct discharge that steam heating formed to discharge in the waste water ditch or deposit in the comdenstion water storage tank and discharge to the water treatment station according to liquid level or regular manual work, because the comdenstion water temperature in the water storage tank is higher, leads to jar interior steam more, receives this influence level gauge measuring liquid level high, seriously influences the outer judgement of arranging of steam condensate water, has caused the waste of condensate water resource and the increase of rinsing desalination water resource cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a comdenstion water tank device, this comdenstion water tank device aim at solving the level gauge measurement inaccurate, influence the outer judgement of arranging of steam condensate water, cause the waste of condensate water resource and the problem of rinsing desalination water resource cost increase.
The utility model provides a comdenstion water jar device, include:
the condensation water tank body is internally provided with a thermometer, a liquid level meter and a conductivity meter;
the strip steel rinsing tank is connected with the condensed water tank main body through a first pipeline, and a water supply valve is arranged on the first pipeline;
the waste water pit is connected with the condensed water tank main body through a second pipeline, and a drain valve is arranged on the second pipeline;
the heat exchanger is respectively connected with the condensed water tank main body through a third pipeline and a fourth pipeline, a self-circulation valve is arranged on the third pipeline, and a self-circulation heat exchange pump is arranged on the fourth pipeline;
a control component configured to:
acquiring the temperature in the condensed water tank body measured by the thermometer, and if the temperature is greater than a first set threshold value, generating a control instruction for controlling the self-circulation valve and the self-circulation heat exchange pump to be opened;
if the temperature is less than or equal to a first set threshold value, acquiring the conductivity of the steam condensate entering the condensate water tank main body and detected by a conductivity meter, if the conductivity is greater than a second set threshold value, generating a control instruction for controlling the opening of the water supply valve, otherwise, generating a control instruction for controlling the opening of the drain valve;
the control component is further configured to: and acquiring and displaying the liquid level height of the condensed water in the condensed water tank main body measured by the liquid level meter.
Preferably, the cooling water system further comprises a cooling water proportional valve, wherein the cooling water proportional valve is arranged in the heat exchanger and is connected with the control assembly;
the control component is further configured to: and generating a control command for the cooling water proportional valve, so that the cooling water proportional valve adjusts the proportion of the condensed water entering the heat exchanger to the condensed water discharged from the heat exchanger.
Preferably, the cooling water proportional valve is a proportional valve with a positioner.
Preferably, the control assembly comprises a remote control cabinet and a PLC controller disposed inside the remote control cabinet, and the remote control cabinet is electrically connected or communicatively connected to the thermometer, the liquid level meter, the conductivity meter, the self-circulation valve, the water supply valve, the drain valve and the self-circulation heat exchange pump, respectively; the PLC controller is configured to generate control instructions for controlling the self-circulation valve, the water supply valve, the drain valve and the self-circulation heat exchange pump according to signals fed back by the thermometer, the liquid level meter and the conductivity meter.
Preferably, the control assembly comprises:
the signal acquisition unit is used for receiving signals fed back by the thermometer, the liquid level meter and the conductivity meter;
the signal output unit is used for receiving the signal acquired by the signal acquisition unit, outputting the signal to the PLC and outputting an execution signal sent by the PLC;
and the execution unit is used for generating a control command for controlling the self-circulation valve, the self-circulation heat exchange pump and/or the cooling water proportional valve according to an execution signal sent by the PLC.
Preferably, the condensed water tank body is connected with a fifth pipeline for draining water to the condensed water tank body, a water inlet valve is arranged on the fifth pipeline, and the control assembly is configured to: and acquiring the liquid level height of the condensed water in the condensed water tank main body measured by the liquid level meter, and if the liquid level height is greater than a third set threshold value, generating a control instruction for controlling the closing of the water inlet valve.
Preferably, the device further comprises an alarm unit, and the alarm unit is respectively connected with the thermometer, the liquid level meter and the conductivity meter.
Preferably, a first flowmeter and a second flowmeter are respectively arranged at the water inlet and the water outlet of the first pipeline; the second pipeline water inlet and the second pipeline water outlet are respectively provided with a third flowmeter and a fourth flowmeter, the first flowmeter and the second flowmeter, and the third flowmeter and the fourth flowmeter are respectively electrically connected or in communication connection with the control assembly, and the control assembly is further configured to: and calculating the difference value of the first flowmeter and the second flowmeter and the difference value of the third flowmeter and the fourth flowmeter.
Preferably, the water supply valve, the drain valve and the self-circulation valve are all provided with rotary proximity switches for detecting the working states of the water supply valve, the drain valve and the self-circulation valve.
The utility model relates to a condensed water tank device, which is characterized in that a conductivity meter is arranged on a condensed water tank main body to detect whether the conductivity of condensed water meets the selection of technological production requirements, and a control assembly controls a water supply valve to be opened so that the condensed water meeting the requirements is supplied to a strip steel rinsing tank for production; the control assembly controls the drain valve to open to discharge the undesirable condensed water to the waste water pit, so that the water resource consumption and the pollution of acid-containing waste water to the environment are reduced; simultaneously, the condensate water pitcher main part is connected with the heat exchanger, opening of control assembly control self-circulation valve and self-loopa heat transfer pump realizes heat exchanger self-loopa cooling function, according to the thermometer feedback, whether the selection comdenstion water needs to circulate in the heat exchanger and cool down to keep the temperature of water in the condensate water pitcher main part to accord with the technological requirement, reduced because of the interference that steam caused the level gauge, increase the liquid level automatic control accuracy, through above-mentioned structure not only reduce resource cost's waste, can also realize energy-conserving increase to the pickling process.
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 embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a condensate tank apparatus of the present invention;
fig. 2 is a flow chart of the condensate water tank device of the present invention.
Description of reference numerals:
1. a condensate tank main body; 2. a strip steel potcher; 3. a wastewater pit; 4. a heat exchanger; 5. a thermometer; 6. a liquid level meter; 7. a conductivity meter; 8. a device for generating steam condensate; 9. a water inlet valve; 10. a self-circulating heat exchange pump; 11. a water supply valve; 12. a drain valve; 13. a self-circulation valve; 14. a remote control cabinet; 15. a PLC controller; 16. a first pipeline; 17. a second pipeline; 18. a third pipeline; 19. a fourth pipeline; 20. a fifth pipeline; 21. a cooling water proportional valve.
Detailed Description
The technical solution 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited 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 meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
As shown in fig. 1, the line (— in fig. 1) represents a pipeline; dotted lines (\8230;) represent communication cables; the dashed line (- - -) represents the signal, control cable connection; the double-headed arrow is a mounting mechanism such as a double-headed arrow between the thermometer 5 and the condensed water tank body 1, and indicates that the thermometer 5 is mounted in the condensed water tank body 1.
The utility model provides a comdenstion water jar device includes condensate water pitcher main part 1, belted steel potcher 2, waste water pit 3, heat exchanger 4 and control assembly.
Wherein, the condensed water tank body 1 is connected with the device 8 for generating steam condensed water through a fifth pipeline 20, and a feed valve 9 for controlling connection or disconnection is provided on the fifth pipeline 20. The apparatus for generating steam condensate 8 can discharge the steam condensate into the condensate tank main body 1 through the fifth pipe 20.
Be equipped with thermometer 5, level gauge 6 and conductivity meter 7 in the condensate water pitcher main part 1, be used for respectively getting into the steam condensate water measurement in the condensate water pitcher main part 1, wherein, thermometer 5 is used for measuring the temperature of steam condensate water in the condensate water pitcher main part 1, and level gauge 6 is used for measuring the liquid level height of comdenstion water, and conductivity meter 7 is conductivity meter detecting instrument for detect the conductibility of comdenstion water.
The strip steel rinsing tank 2 is a rinsing water tank and is connected with the condensed water tank main body 1 through a first pipeline 16, a water supply valve 11 is arranged on the first pipeline 16, and the water supply valve 11 can control the connection or disconnection of the first pipeline 16, so that condensed water meeting production requirements is discharged into the strip steel rinsing tank 2 by the condensed water tank main body 1. The condensed water in the strip steel rinsing tank 2 is used for rinsing the strip steel.
The heat exchanger 4 is respectively connected with the condensed water tank body 1 through a third pipeline 18 and a fourth pipeline 19, a self-circulation valve 13 is arranged on the third pipeline 18, and a self-circulation heat exchange pump 10 is arranged on the fourth pipeline 19. Wherein, the self-circulation valve 13 is a self-circulation electromagnetic valve, and the self-circulation valve 13 is automatically opened and closed according to a set temperature threshold; the self-circulation heat exchange pump 10 is a heat exchange pump that can automatically operate according to the temperature by discharging low-temperature condensate water in the heat exchanger 4 into the condensate tank main body 1.
It is understood that the self-circulating solenoid valve and the self-circulating heat exchanger pump 10 may perform the opening and closing operations according to the received execution command, and may automatically perform the circulation according to the received execution command.
The control component is configured to:
acquiring the temperature in the condensed water tank body 1 measured by the thermometer 5, and if the temperature is greater than a first set threshold value, generating a control instruction for controlling the self-circulation valve 13 and the self-circulation heat exchange pump 10 to be opened;
if the temperature is less than or equal to a first set threshold value, acquiring the conductivity of the steam condensate entering the condensate water tank body 1, which is detected by the conductivity meter 7, generating a control instruction for controlling the opening of the water supply valve 11 if the conductivity is greater than a second set threshold value, otherwise, generating a control instruction for controlling the opening of the drain valve 12;
the first set threshold is a preset temperature, the temperature acquired by the thermometer 5 is compared with the preset temperature, and a corresponding instruction is executed according to the comparison result; the second set threshold is a preset conductivity, compares the conductivity acquired by the conductivity meter 7 with the preset conductivity, and executes a corresponding instruction according to the comparison result.
Illustratively, the control assembly includes a remote control cabinet 14 and a PLC controller 15 disposed inside the remote control cabinet 14.
The remote control cabinet 14 is electrically connected or in communication with the thermometer 5, the liquid level meter 6, the conductivity meter 7, the self-circulation valve 13, the water supply valve 11, the drain valve 12 and the self-circulation heat exchange pump 10, respectively.
The PLC controller 15 is configured to generate control commands for controlling the self-circulation valve 13, the water supply valve 11, the drain valve 12, and the self-circulation heat exchange pump 10 according to signals fed back by the thermometer 5, the liquid level meter 6, and the conductivity meter 7.
The remote control cabinet 14 is used for acquiring signals of equipment connected with the remote control cabinet and can execute the PLC 15 to send out execution signals, specifically, the remote control cabinet 14 receives the signals of the equipment connected with the remote control cabinet, the signals can contain the temperature acquired by the thermometer 5, the liquid level height acquired by the liquid level meter 6, the conductivity detected by the conductivity meter 7, the working states of the self-circulation valve 13, the water supply valve 11, the drain valve 12 and the self-circulation heat exchange pump 10 and transmits corresponding signals to the PLC 15, the PLC 15 sends out the execution signals according to the received signals, and the execution signals can control the self-circulation valve 13, the water supply valve 11, the drain valve 12 and the self-circulation heat exchange pump 10 to be opened or closed; after receiving the execution signal, the remote control cabinet 14 sends the execution signal to the corresponding device.
For example, firstly, a first set threshold temperature in the condensed water tank body 1 is set to be 10 ° in the remote control cabinet 14; then, the remote control cabinet 14 receives the temperature measured by the thermometer 5, the temperature is 12 degrees and is greater than 10 degrees set in the remote control cabinet 14, next, the remote control cabinet 14 sends a received 12-degree temperature signal to the PLC 15, the PLC 15 sends an execution signal to the remote control cabinet 14 according to the received 12-degree temperature signal, the execution signal comprises opening of a self-circulation valve 13 and a self-circulation heat exchange pump 10, so that steam condensate water in the condensate water tank main body 1 enters the heat exchanger 4 to be cooled in the heat exchanger 4, and the steam condensate water cooled in the heat exchanger 4 is discharged into the condensate water tank main body 1; finally, the remote control cabinet 14 receives the execution signal and sends corresponding execution signal instructions to the self-circulation valve 13 and the self-circulation heat exchange pump 10, and the self-circulation valve 13 and the self-circulation heat exchange pump 10 execute the received instructions.
It is understood that, for example, the control of the opening and closing of the self-circulation valve 13, the water supply valve 11, the drain valve 12, and the self-circulation heat exchange pump 10 may be performed accordingly by the above-described procedure.
The control component is further configured to: the liquid level height of the condensed water in the condensed water tank body 1 measured by the liquid level meter 6 is obtained and displayed.
The heat exchanger 4 takes a breath to the steam in the condensation water pitcher main part 1 to reduce the steam in the condensation water pitcher main part 1, thereby make level gauge 6 can not or reduce the influence that receives steam, thereby the 6 measuring accuracy of level gauge that improve. Further, the control assembly can accurately control the opening and closing of the water supply valve 11 and the drain valve 12 according to the liquid level height measured by the liquid level meter 6, thereby realizing accurate drainage of condensed water.
It should be noted that the control assembly includes a signal acquisition unit and a signal output unit.
The signal acquisition unit can be arranged in the remote control cabinet 14 and is used for receiving signals fed back by the thermometer 5, the liquid level meter 6 and the conductivity meter 7.
The signal output unit may be disposed in the remote control cabinet 14, and is configured to receive the signal collected by the signal collecting unit, output the signal to the PLC controller 15, and output an execution signal sent by the PLC controller 15.
An execution unit can be arranged in the remote control cabinet 14 and used for generating control instructions for controlling the self-circulation valve 13, the self-circulation heat exchange pump 10 and/or the cooling water proportional valve according to execution signals sent by the PLC 15.
As the foregoing example, the signal acquisition unit acquires that the temperature in the condensed water tank body 1 measured by the thermometer 5 is 12 °; the signal output unit outputs the 12-degree signal acquired by the signal acquisition unit to the PLC 15, and receives signals sent by the PLC 15 for executing the opening of the self-circulation valve 13 and the self-circulation heat exchange pump 10; the signal output unit receives the execution signal and transmits the execution signal to the execution unit, the execution unit converts the execution signal into a control command which can be received by the self-circulation valve 13 and the self-circulation heat exchange pump 10, and the self-circulation valve 13 and the self-circulation heat exchange pump 10 execute an opening command.
In the embodiment, the steam condensate water generated by the production line is recycled to the condensate water tank main body 1 through the fifth pipeline 20, the conductivity meter 7 is used for detecting whether the conductivity meets the process production requirement selection, the condensate water meeting the requirement is supplied to the strip steel rinsing tank 2 for production, and the condensate water not meeting the requirement is discharged to the waste water pit 3. Increase simultaneously and can realize reducing heat exchanger 4 of the interior steam of condensate water pitcher main part 1, circulate cooling to condensate water pitcher main part 1 in through heat exchanger 4, reduced because of the level gauge 6 that steam interference caused measures inaccurately to lead to the comdenstion water not according to the liquid level height of setting for discharging, cause the waste of resource and the increase of rinsing desalination water resource cost. In addition, the control assembly can carry out corresponding logic judgment according to the liquid level, the temperature and the conductivity and send out an execution signal so as to control the opening and closing actions of the water supply valve 11, the drain valve 12, the water inlet valve 9, the self-circulation valve 13 and the self-circulation heat exchange pump 10, so that the control accuracy is improved, the labor is saved, and the water resource cost is reduced.
In one embodiment, the condensate tank device further comprises a cooling water proportional valve 21.
Wherein, the cooling water proportional valve 21 is arranged in the heat exchanger 4 and is connected with the control component; the cooling water proportional valve 21 is preferably provided with a positioner proportional valve.
The proportional valve with the positioner positions the action amount, namely the opening or closing amount, of the cooling water proportional valve 21 through the positioner, so that the opening degree of the cooling water is accurately controlled.
The control component is further configured to: a control command to the cooling water proportional valve 21 is generated so that the cooling water proportional valve 21 adjusts the ratio of the condensed water entering the heat exchanger 4 to the condensed water exiting the heat exchanger 4.
Specifically, first, the signal acquisition unit acquires the opening state (the opening state includes the ratio of the opening of the valve) of the cooling water proportional valve 21, then the signal output unit outputs the opening state to the PLC controller 15, the PLC controller 15 sends an execution signal of the opening ratio of the cooling water proportional valve 21 to the signal output unit, next, the signal output unit outputs the received execution signal to the execution unit, the execution unit sends an execution instruction to the cooling water proportional valve 21, and finally, the cooling water proportional valve 21 executes the received instruction. The signal acquisition unit acquires the opening state of the cooling water proportional valve 21 after the execution instruction, and repeats the above-mentioned actions.
In this embodiment, the opening degree of the condensed water in the heat exchanger 4 is controlled by the cooling water proportional valve 21, and the condensed water tank body 1 is cooled by the heat exchanger 4 in a circulating manner. The cooling water proportional valve 21 realizes accurate temperature control, so that the liquid level meter 6 adopted for measuring and collecting liquid level information in the condensation water tank main body 1 has stable performance, strong anti-interference capability and accurate measurement, the reliability and the practicability of the liquid level meter 6 are increased, and the error rate is reduced.
In one embodiment, the condensed water tank body 1 is connected with a fifth pipeline 20 for draining water to the condensed water tank body 1, and the control component is configured to: and (3) the liquid level meter 6 is obtained to measure the liquid level height of the condensed water in the condensed water tank main body 1, and if the liquid level height is greater than a third set threshold value, a control instruction for controlling the water inlet valve 9 to be closed is generated.
The signal acquisition unit is used for acquiring the liquid level height of condensed water in the condensed water tank main body 1 measured by the liquid level meter 6, the signal acquisition unit compares the acquired liquid level height information with a preset third set threshold value, the comparison can be carried out in the remote control cabinet 14, the comparison result is output to the PLC 15 through the signal output unit, the acquired liquid level height information can also be output to the PLC 15 through the signal output unit, and the comparison is carried out at the PLC 15. The comparison and the storage of the third threshold are not limited in this technical solution, and may be adjusted accordingly according to actual needs. If the liquid level is higher than the third set threshold, the PLC controller 15 sends an execution signal for closing the water inlet valve 9, the signal output unit receives the execution signal for closing the water inlet valve 9 and outputs the execution signal for closing the water inlet valve 9 to the execution unit, the execution unit outputs an execution instruction to the water inlet valve 9, and the water inlet valve 9 executes the instruction.
The water inlet valve 9 is a solenoid valve.
In this embodiment, the control assembly can control the opening and closing of the water inlet valve 9 according to the level height of the condensed water measured by the liquid level meter 6, so that the operation safety of the condensed water tank main body 1 is improved.
In one embodiment, the condensate tank device further comprises an alarm unit, and the alarm unit is respectively connected with the thermometer 5, the liquid level meter 6 and the conductivity meter 7.
Wherein the alarm unit is capable of detecting data changes measured by the thermometer 5 and the level gauge 6, and data changes detected by the conductivity meter 7. When the data measured by the thermometer 5 and the liquid level meter 6 and the data detected by the conductivity meter 7 are not changed in the set time, the alarm unit can determine that the corresponding measurement or detection equipment is damaged, the alarm unit sends an alarm to the PLC 15 through the signal output unit, corresponding structures such as an alarm and the like can be arranged at the remote control cabinet 14 and connected with the alarm unit, the alarm unit sends a signal to the alarm connected with the alarm unit while outputting the signal to the signal output unit, and the alarm sends an alarm.
Furthermore, the alarm unit also issues an alarm signal in the case where the data measured by the thermometer 5 and the level gauge 6 exceed a set alarm threshold, and in the case where the data of the conductivity detected by the conductivity meter 7 exceed a set alarm threshold, wherein the alarm threshold can be understood as a case where the detected amounts and the detected results of the thermometer 5, the level gauge 6, and the conductivity meter 7 are not within normal range values.
In the embodiment, the alarm unit is additionally arranged on the control assembly, so that whether the working state of the condensate water tank device is normal or not can be found in real time, and an alarm can be given in time under the abnormal condition, so that corresponding maintenance treatment can be carried out.
In one embodiment, the water inlet and the water outlet of the first pipeline 16 are respectively provided with a first flow meter and a second flow meter; the water inlet and the water outlet of the second pipeline 17 are respectively provided with a third flow meter and a fourth flow meter so as to calculate the first flow meter and the second flow meter, and the third flow meter and the fourth flow meter are respectively electrically connected or in communication connection with the control component, and the control component is further configured to: and calculating the difference value of the first flowmeter and the second flowmeter and the difference value of the third flowmeter and the fourth flowmeter.
The first flowmeter and the second flowmeter can count the difference of the flow in the first pipeline 16 so as to determine whether a leakage point occurs in the first pipeline 16 and timely replace and maintain the first pipeline.
The third flow meter and the fourth flow meter have the same functions as the first flow meter and the second flow meter, and are not described in detail.
Specifically, the signal acquisition unit can acquire data measured by the first flowmeter, the second flowmeter, the third flowmeter and the fourth flowmeter, and count the flow of the first flowmeter, the second flowmeter, the third flowmeter and the fourth flowmeter so as to calculate the difference.
In this embodiment, the condensed water in the condensed water tank body 1 is mainly used for draining water into the strip steel rinsing tank 2 and the waste water pit 3, so that flow meters are respectively arranged on the first pipeline 16 and the second pipeline 17 correspondingly connected with the strip steel rinsing tank 2 and the waste water pit 3, so as to determine whether leakage points occur on the first pipeline 16 and the second pipeline 17, and the condensed water tank device is replaced and maintained immediately, thereby improving the stability of operation.
In one embodiment, the water supply valve 11, the drain valve 12, the water inlet valve 9 and the self-circulation valve 13 are all provided with rotary proximity switches for detecting the working states thereof. The rotary proximity switch is used for detecting the on-off states of the self-circulation valve 13, the water supply valve 11, the water inlet valve 9 and the drain valve 12, the signal acquisition unit acquires signals of the rotary proximity switch, when the PLC 15 does not receive starting signals of the self-circulation valve 13, the water supply valve 11, the water inlet valve 9 and the drain valve 12 within preset time of sending a starting instruction, an abnormal signal is sent to the upper computer, the upper computer is used for alarming according to the abnormal signal, the fault finding speed is increased, and the safety of the condensate water tank device provided by the embodiment of the application is enhanced.
The upper computer is understood to be a general control machine for controlling the PLC controller 15.
As shown in fig. 2, in one embodiment, the work flow of the solution is as follows:
initially, the signal acquisition unit of the control assembly acquires the liquid level meter 6, the conductivity meter 7 and the thermometer 5 in the condensed water tank body 1, and accordingly executes the following process, it is understood that the steps in the process can be adjusted accordingly according to the actual situation. The technical solution is not limited.
Whether the liquid level of the condensed water in the condensed water tank main body 1 measured by the liquid level meter 6 reaches a high liquid level, if the liquid level reaches the high liquid level, the alarm unit outputs alarm signals (the alarm signals are all output by the alarm unit), if the liquid level does not reach the high liquid level, whether the liquid level reaches a low liquid level is judged, if the liquid level reaches the low liquid level, the alarm signals are output, otherwise, the condition of the conductivity is detected by the conductivity meter 7.
The conductivity meter 7 detects whether the detected conductivity reaches a high limit, and if the detected conductivity reaches the high limit, an alarm signal is output, a drain valve 12 is opened, and a water inlet valve 9 and a water supply valve 11 are closed; otherwise, the temperature condition is measured by the thermometer 5.
The thermometer 5 measures whether the temperature reaches a high limit, if so, the self-circulation valve 13 opens, otherwise the start is resumed. And in the case that the self-circulation valve 13 is opened, whether an opening signal collected from the self-circulation valve 13 returns or not is judged, if the opening signal does not return, an alarm signal is output, and if the opening signal returns from the self-circulation valve 13, the self-circulation heat exchange pump 10 is started.
And (4) judging whether the self-circulation heat exchange pump 10 is normal in operation, if so, opening the cooling water proportional valve 21, and otherwise, outputting an alarm signal. And acquiring whether the opening signal of the cooling water proportional valve 21 returns or not, acquiring the temperature condition measured by the thermometer 5 if the opening signal of the cooling water proportional valve 21 returns, and otherwise, outputting an alarm signal.
And whether the temperature measured by the temperature gauge 5 reaches the lower limit or not is collected, if so, the self-circulation heat exchange pump 10 stops working, and if not, the operation returns to the beginning again. And (4) whether a stop signal of the self-circulation heat exchange pump 10 is returned or not is acquired, if the stop signal of the self-circulation heat exchange pump 10 is returned, the self-circulation valve 13 is closed, and if not, an alarm signal is output. And acquiring whether the self-circulation valve 13 returns a closing signal, closing the cooling water proportional valve 21 if the self-circulation valve 13 returns the closing signal, and finishing, otherwise, outputting an alarm signal.
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; although the present invention has been described in detail with reference to the foregoing embodiments, it should 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; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.
Claims (9)
1. A condensate tank apparatus, comprising:
the condensation water tank body (1) is internally provided with a thermometer (5), a liquid level meter (6) and a conductivity meter (7);
the strip steel rinsing tank (2) is connected with the condensed water tank main body (1) through a first pipeline (16), and a water supply valve (11) is arranged on the first pipeline (16);
the waste water pit (3) is connected with the condensed water tank main body (1) through a second pipeline (17), and a drain valve (12) is arranged on the second pipeline (17);
the heat exchanger (4) is respectively connected with the condensed water tank main body (1) through a third pipeline (18) and a fourth pipeline (19), a self-circulation valve (13) is arranged on the third pipeline (18), and a self-circulation heat exchange pump (10) is arranged on the fourth pipeline (19);
a control component configured to: acquiring the temperature in the condensed water tank body (1) measured by the thermometer (5), and if the temperature is greater than a first set threshold value, generating a control command for controlling the self-circulation valve (13) and the self-circulation heat exchange pump (10) to be opened; if the temperature is less than or equal to a first set threshold value, acquiring the conductivity of the steam condensate entering the condensate water tank main body (1) and detected by a conductivity meter (7), if the conductivity is greater than a second set threshold value, generating a control instruction for controlling the opening of the water supply valve (11), otherwise, generating a control instruction for controlling the opening of the drain valve (12);
the control component is further configured to: and acquiring and displaying the liquid level height of the condensed water in the condensed water tank main body (1) measured by the liquid level meter (6).
2. The condensate tank arrangement according to claim 1, further comprising a cooling water proportional valve (21), the cooling water proportional valve (21) being arranged within the heat exchanger (4) and being connected to the control assembly;
the control component is further configured to: generating a control command for the cooling water proportional valve (21) so that the cooling water proportional valve (21) adjusts the proportion of condensed water entering the heat exchanger (4) to condensed water exiting the heat exchanger (4).
3. A condensate tank arrangement according to claim 2, characterized in that the cooling water proportional valve (21) is a belt positioner proportional valve.
4. The condensate tank arrangement according to claim 3, characterized in that the control assembly comprises a remote control cabinet (14) and a PLC controller (15) arranged inside the remote control cabinet (14), the remote control cabinet (14) being electrically or communicatively connected with the thermometer (5), the level gauge (6), the conductivity meter (7), the self-circulation valve (13), the water supply valve (11), the drain valve (12) and the self-circulation heat exchange pump (10), respectively; the PLC controller (15) is configured to generate control instructions for controlling the self-circulation valve (13), the water supply valve (11), the drain valve (12) and the self-circulation heat exchange pump (10) according to signals fed back by the thermometer (5), the liquid level meter (6) and the conductivity meter (7).
5. The condensate tank apparatus of claim 4, wherein the control assembly comprises:
the signal acquisition unit is used for receiving signals fed back by the thermometer (5), the liquid level meter (6) and the conductivity meter (7);
the signal output unit is used for receiving the signals acquired by the signal acquisition unit, outputting the signals to the PLC (15) and outputting execution signals sent by the PLC (15);
and the execution unit is used for generating a control command for controlling the self-circulation valve (13), the self-circulation heat exchange pump (10) and/or the cooling water proportional valve (21) according to an execution signal sent by a PLC (programmable logic controller) (15).
6. The condensate tank apparatus according to claim 1, wherein a fifth pipeline (20) for draining water to the condensate tank body (1) is connected to the condensate tank body (1), a water inlet valve (9) is provided on the fifth pipeline (20), and the control assembly is configured to: and acquiring the liquid level height of the condensed water in the condensed water tank main body (1) measured by the liquid level meter (6), and if the liquid level height is greater than a third set threshold value, generating a control instruction for controlling the closing of the water inlet valve (9).
7. Condensed water tank arrangement according to any of claims 1-6, characterized by an alarm unit, which is connected with the thermometer (5), the level gauge (6) and the conductivity meter (7), respectively.
8. Condensed water tank arrangement according to any one of claims 1-6, characterized in that the water inlet and outlet of the first pipe line (16) are provided with a first and a second flow meter, respectively; the water inlet and the water outlet of the second pipeline (17) are respectively provided with a third flow meter and a fourth flow meter, the first flow meter and the second flow meter, and the third flow meter and the fourth flow meter are respectively electrically connected or in communication connection with the control component, and the control component is further configured to: and calculating the difference value of the first flowmeter and the second flowmeter and the difference value of the third flowmeter and the fourth flowmeter.
9. The condensate tank arrangement according to any of claims 1-6, characterized in that the water supply valve (11), the drain valve (12) and the self-circulation valve (13) are provided with rotary proximity switches for detecting their operating state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222459149.9U CN217982181U (en) | 2022-09-16 | 2022-09-16 | Condensed water tank device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222459149.9U CN217982181U (en) | 2022-09-16 | 2022-09-16 | Condensed water tank device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217982181U true CN217982181U (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222459149.9U Active CN217982181U (en) | 2022-09-16 | 2022-09-16 | Condensed water tank device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217982181U (en) |
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2022
- 2022-09-16 CN CN202222459149.9U patent/CN217982181U/en active Active
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