CN109502770B - Intelligent automatic water-cooling drug supplementing method and device for valve of extra-high voltage direct current converter station - Google Patents
Intelligent automatic water-cooling drug supplementing method and device for valve of extra-high voltage direct current converter station Download PDFInfo
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- CN109502770B CN109502770B CN201811296134.7A CN201811296134A CN109502770B CN 109502770 B CN109502770 B CN 109502770B CN 201811296134 A CN201811296134 A CN 201811296134A CN 109502770 B CN109502770 B CN 109502770B
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- 239000003814 drug Substances 0.000 title claims abstract description 213
- 230000001502 supplementing effect Effects 0.000 title claims abstract description 124
- 238000001816 cooling Methods 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 29
- 229940079593 drug Drugs 0.000 title abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 114
- 239000007788 liquid Substances 0.000 claims abstract description 62
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 56
- 230000008901 benefit Effects 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 4
- 230000003020 moisturizing effect Effects 0.000 claims 1
- 230000000474 nursing effect Effects 0.000 claims 1
- 239000013589 supplement Substances 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 9
- 238000005507 spraying Methods 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 230000009469 supplementation Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002455 scale inhibitor Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 239000003619 algicide Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000001256 tonic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses an intelligent automatic drug supplementing method and device for valve water cooling of an extra-high voltage direct current converter station, wherein the implementation steps of the method comprise the steps of controlling the flow of adding drugs into a drug supplementing tank and the flow of supplementing water into the drug supplementing tank according to a ratio set value under the condition that the two conditions that the liquid level of the drug supplementing tank of a valve water cooling system special for the converter station is smaller than a first preset value and the reverse osmosis generated flow in a reverse osmosis main water pipe is larger than a second preset value are met; when the liquid level of the medicine replenishing tank is greater than or equal to a first preset value, stopping and quitting the automatic medicine adding and water replenishing; the device comprises a device corresponding to the automatic medicine supplementing method. The invention has the advantages of simple structure, convenient operation and low cost, combines the characteristics and requirements of the water-cooling medicine supplement of the valve of the ultra-high voltage converter station, can realize the automatic control of fixed proportion in the medicine supplement process, can lighten the labor intensity of workers, save the maintenance time, avoid the harm of the corrosivity of the medicament to human bodies, and improve the overall intelligent management level and the working efficiency of the ultra-high voltage converter station.
Description
Technical Field
The invention relates to a cooling tower spraying system of a converter station, in particular to an intelligent water-cooling automatic drug supplementing method and device for a valve of an extra-high voltage direct current converter station, which are used for automatically supplementing drugs for the cooling tower spraying system.
Background
Each of the extreme high and low converter valves of the +/-800 kV extra-high voltage direct current converter station is provided with an independent water cooling system. The water cooling system consists of two cooling circulation systems: the system comprises an internal water cooling system, a converter valve, a water cooling system and a water cooling system, wherein the converter valve is cooled by closed circulating deionized water; and the other is an external water cooling system which cools the internal water cooling through a cooling tower spraying system, wherein the spraying system needs external cold water for medicine supplement. The external cold water tonic has two main functions: firstly, a non-oxidative sterilization algicide and a corrosion and scale inhibitor are added, so that the generation of external cold water sediments is avoided or reduced, the reduction of heat transfer efficiency is prevented, the service life of a closed cooling tower is prolonged, the generation of scale and the breeding of microorganisms are prevented, and the stable treatment of the quality of spray water is realized; and secondly, the scale inhibitor and the membrane bactericide are added, so that the normal work of the external cold water reverse osmosis membrane is ensured, and the service life is prolonged.
At present, the cold water supplement operation outside the converter station has the following characteristics: (1) the medicine supplementing period is short, and manual operation is frequent; (2) the medicine supplement amount is large, and the physical strength is relatively heavy; (3) the time for supplementing the medicine is not fixed because the medicine needs to be blended by adding reverse osmosis water, and the medicine supplementing time may appear in the early morning, thereby bringing uncertain factors to the maintenance of operators and seriously influencing the long-term stable operation of the valve water cooling system; (4) the medicine supplement has the problem of proportioning and is not easy to be accurately controlled; (5) the medicament is corrosive and harmful to human bodies.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the problems in the prior art, the invention provides the water-cooling intelligent automatic drug supplementation method and the device for the valve of the extra-high voltage direct current converter station, and the method and the device have the advantages of simple structure, convenient operation and low cost, can realize the automatic control of fixed proportion in the drug supplementation process by combining the characteristics and the requirements of the water-cooling drug supplementation of the valve of the extra-high voltage converter station, can lighten the labor intensity of workers, save the maintenance time, avoid the damage of the corrosivity of a medicament to a human body, and improve the overall intelligent management level and the working efficiency of the extra-high voltage converter station.
In order to solve the technical problems, the invention adopts the technical scheme that:
the invention provides an intelligent automatic water-cooling drug supplementing method for a valve of an extra-high voltage direct current converter station, which comprises the following implementation steps:
1) detecting the liquid level of a medicine replenishing tank of a special valve water cooling system of the converter station, judging whether the liquid level is smaller than a first preset value, and if so, skipping to execute the step 2); otherwise, skipping again to execute the step 1);
2) detecting reverse osmosis generated flow in a reverse osmosis main water pipe of a special valve water cooling system of the convertor station, and skipping to execute the step 3 if the reverse osmosis generated flow is larger than a second preset value; otherwise, skipping again to execute the step 1);
3) controlling the flow of adding medicine into the medicine supplementing tank and the flow of supplementing water into the medicine supplementing tank according to the set value of the mixture ratio;
4) detecting the liquid level of a medicine replenishing tank of the converter station special valve water cooling system, judging whether the liquid level is greater than or equal to a first preset value, and if so, skipping to execute the step 5); otherwise, skipping again and executing the step 3);
5) and stopping and exiting.
The invention also provides an intelligent automatic water-cooling drug supplementing method for the valve of the extra-high voltage direct current converter station, which comprises the following implementation steps:
1) detecting the liquid level of a medicine replenishing tank of a special valve water cooling system of the converter station, judging whether the liquid level is smaller than a first preset value, and if so, skipping to execute the step 2); otherwise, skipping again to execute the step 1);
2) detecting reverse osmosis generated flow in a reverse osmosis main water pipe of a special valve water cooling system of the convertor station, and skipping to execute the step 3 if the reverse osmosis generated flow is larger than a second preset value; otherwise, skipping again to execute the step 1);
3) controlling the flow of adding medicine into the medicine supplementing tank and the flow of supplementing water into the medicine supplementing tank according to the set value of the mixture ratio;
4) detecting the liquid level of a medicine replenishing tank of a special valve water cooling system of the converter station, judging whether the liquid level is greater than or equal to a first preset value, and if so, skipping to execute the step 1); otherwise, skipping again and executing the step 3).
The invention also provides an intelligent automatic water-cooling drug supplementing device for the valve of the extra-high voltage direct current converter station, which comprises an automatic drug supplementing controller, wherein the automatic drug supplementing controller is programmed to execute the steps of the intelligent water-cooling automatic water-cooling drug supplementing method for the valve of the extra-high voltage direct current converter station.
The invention also provides an ultrahigh voltage direct current converter station valve water-cooling intelligent automatic drug supplementing device which comprises an automatic drug supplementing unit, a drug supplementing tank and a reverse osmosis main water pipe, wherein the automatic drug supplementing unit comprises a platform body with wheels, a drug container, a drug supplementing pump and control equipment are arranged on the platform body, a liquid inlet of the drug supplementing pump is connected with the drug container, a liquid outlet of the drug supplementing pump is connected with a drug supplementing pipe, the drug supplementing pipe is connected with the drug supplementing tank, a control end of the drug supplementing pump is connected with the control equipment, a water supplementing pipeline of the drug supplementing tank is connected with a water outlet of the reverse osmosis main water pipe, the control equipment is connected with a water supplementing control valve, a reverse osmosis water production flow meter and a liquid level meter, the water supplementing control valve is arranged on the water supplementing pipeline of the drug supplementing tank, the reverse osmosis water production flow meter is arranged on the reverse osmosis main water pipe, the liquid level meter is arranged in the drug supplementing tank, and the control equipment is used for supplementing according to reverse osmosis water production flow output by the reverse osmosis water production flow meter, The liquid level output by the liquid level meter controls the flow of the medicine adding pump and the water supplementing control valve to add the medicine into the medicine supplementing tank and the flow of the water supplementing into the medicine supplementing tank according to the set value of the proportion.
Preferably, the control equipment comprises a touch screen module and a PLC (programmable logic controller) which are connected with each other, and the control end of the drug supplementing pump is connected with the PLC.
Preferably, the touch screen module is arranged on one side of the platform body, and the touch screen module is obliquely arranged towards the upper side.
Preferably, the platform body is provided with an installation inner cavity with a movable window, and the medicament container and the drug supplementing pump are both arranged in the installation inner cavity.
Preferably, the medicine supplementing pipe is a hose.
Preferably, the upside of platform body is equipped with medicament placement platform, be equipped with a plurality of recesses in the medicament placement platform, and be equipped with a medicament jar that is used for placing the medicament in each recess.
Preferably, a storage cabinet is arranged at the lower part of the platform body.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, under the condition that the two conditions that the liquid level of the medicine replenishing tank of the valve water cooling system special for the converter station is smaller than a first preset value and the reverse osmosis generated flow in the reverse osmosis main water pipe is larger than a second preset value are both satisfied, the flow of adding medicine into the medicine replenishing tank and the flow of replenishing water into the medicine replenishing tank are controlled according to the proportion set value, and the automatic medicine adding and water replenishing are stopped and quitted when the liquid level of the medicine replenishing tank is larger than or equal to the first preset value.
2. The invention only needs to detect the liquid level of the medicine supplementing tank, the reverse osmosis generated flow in the reverse osmosis main water pipe, control the medicine adding flow into the medicine supplementing tank and the water supplementing flow into the medicine supplementing tank, and relates to the advantages of simple equipment structure, convenient operation and low cost.
Drawings
FIG. 1 is a schematic flow chart of a method according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an apparatus according to an embodiment of the invention.
Illustration of the drawings: 1. a platform body; 10. a wheel; 11. an active window; 12. a medicament placement platform; 13. a groove; 14. a medicament canister; 15. a storage cabinet; 2. a medicament container; 3. a medicine supplement pump; 31. a medicine supplementing pipe; 4. a control device; 401. a touch screen module; 402. a PLC controller; 41. a water replenishing control valve; 42. a reverse osmosis water production flow meter; 43. a liquid level meter; 5. a medicine supplement tank; 6. a reverse osmosis main water pipe.
Detailed Description
The first embodiment is as follows:
the water-cooling intelligent automatic drug supplementing method for the extra-high voltage direct current converter station valve is a drug supplementing mode triggered after manual unlocking. As shown in fig. 1, the implementation steps of the intelligent water-cooling automatic chemical replenishing method for the extra-high voltage direct current converter station valve in the embodiment include:
1) detecting the liquid level of a medicine replenishing tank of a special valve water cooling system of the converter station, judging whether the liquid level is smaller than a first preset value, and if so, skipping to execute the step 2); otherwise, skipping again to execute the step 1);
2) detecting reverse osmosis generated flow in a reverse osmosis main water pipe of a special valve water cooling system of the convertor station, and skipping to execute the step 3 if the reverse osmosis generated flow is larger than a second preset value; otherwise, skipping again to execute the step 1);
3) controlling the flow of adding medicine into the medicine supplementing tank and the flow of supplementing water into the medicine supplementing tank according to the set value of the mixture ratio;
4) detecting the liquid level of a medicine replenishing tank of the converter station special valve water cooling system, judging whether the liquid level is greater than or equal to a first preset value, and if so, skipping to execute the step 5); otherwise, skipping again and executing the step 3);
5) and stopping and exiting.
In this embodiment, when the liquid level of the medicine replenishing tank of the converter station dedicated valve water cooling system is detected in step 1), the liquid level display method further comprises the step of liquid level display, and the liquid level display is output, so that an operator can conveniently observe the liquid level state. In the embodiment, when the liquid level of a medicine supplementing tank of the converter station special valve water cooling system is detected in the step 1), a liquid level alarm step is further included, and if the liquid level is lower than a preset liquid level alarm threshold value, an alarm signal is sent out or the operation is stopped emergently; by the aid of the method, operators can be reminded of timely knowing the liquid level emergency condition of the medicine replenishing tank of the converter station special valve water cooling system, and accidents in the medicine replenishing process are avoided; in the embodiment, when the reverse osmosis generated flow in the reverse osmosis main water pipe of the converter station special valve water cooling system is detected in the step 2), the method further comprises the step of performing reverse osmosis generated flow alarm, and if the reverse osmosis generated flow is lower than a preset reverse osmosis generated flow alarm threshold value, an alarm signal is sent or the operation is stopped emergently; through the mode, the reverse osmosis emergency situation in the reverse osmosis main water pipe of the special valve water cooling system for the convertor station can be timely reminded of operators, and accidents in the medicine replenishing process are avoided.
The water-cooling intelligent automatic drug supplementing method for the valve of the extra-high voltage direct current converter station can complete the starting and stopping functions of a drug supplementing system, can set a drug proportion fixed value, a flow detection fixed value and a drug tank low liquid level alarm fixed value, can display the drug supplementing state, can monitor abnormality on line and send out an alarm signal or stop emergently, can realize the flow detection of water supplement, the liquid level detection of a drug tank and the automatic control of a water supplementing valve, enables the drug supplementing operation to perform automatic detection, automatic proportioning and automatic adding according to the pre-programmed requirements, and is higher in safety and reliability.
The embodiment also provides an intelligent automatic water-cooling drug supplementing device for the valve of the extra-high voltage direct current converter station, which comprises an automatic drug supplementing controller, wherein the automatic drug supplementing controller is programmed to execute the steps of the intelligent automatic water-cooling drug supplementing method for the valve of the extra-high voltage direct current converter station.
As shown in fig. 2, the embodiment further provides an intelligent water-cooling automatic drug replenishing device for a valve of an extra-high voltage direct current converter station, which comprises an automatic drug replenishing unit, a drug replenishing tank 5 and a reverse osmosis main water pipe 6, wherein the automatic drug replenishing unit comprises a platform body 1 with wheels 10, a drug container 2, a drug replenishing pump 3 and a control device 4 are arranged on the platform body 1, a liquid inlet of the drug replenishing pump 3 is connected with the drug container 2, a liquid outlet of the drug replenishing pump is connected with a drug replenishing pipe 31, the drug replenishing pipe 31 is connected with the drug replenishing tank 5, a control end of the drug replenishing pump 3 is connected with the control device 4, a water replenishing pipe of the drug replenishing tank 5 is connected with a water outlet of the reverse osmosis main water pipe 6, the control device 4 is connected with a water replenishing control valve 41, a reverse osmosis water production flow meter 42 and a liquid level meter 43, the water replenishing valve 41 is arranged on the water replenishing pipe of the drug replenishing tank 5, the water production flow meter 42 is arranged on the reverse osmosis main water pipe 6, the liquid level meter 43 is arranged in the drug replenishing tank 5, the control device 4 controls the flow rate of the medicine adding pump 3 and the water supplementing control valve 41 according to the reverse osmosis water production flow output by the reverse osmosis water production flow meter 42 and the liquid level output by the liquid level meter 43, and the flow rate of adding the medicine into the medicine supplementing tank 5 and the flow rate of supplementing the water into the medicine supplementing tank 5 according to the proportioning set value.
As shown in fig. 2, an installation inner cavity with a movable window 11 is arranged in the platform body 1, the medicament container 2 and the medicine supplementing pump 3 are both installed in the installation inner cavity, the medicament container 2 and the medicine supplementing pump 3 can be conveniently overhauled through the movable window 11, and the medicament container 2 and the medicine supplementing pump 3 are both installed in the installation inner cavity to effectively protect the medicament container 2 and the medicine supplementing pump 3 so as to prolong the service life.
As shown in fig. 2, a medicine placing platform 12 is disposed on the upper side of the platform body 1, a plurality of grooves 13 are disposed in the medicine placing platform, and a medicine tank 14 for placing medicine is disposed in each groove 13, so that medicine storage is facilitated.
As shown in figure 2, the storage cabinet 15 is arranged at the lower part of the platform body 1, so that the storage space is large and the use is more convenient.
In this embodiment, the medicine supplementing pipe 31 is a hose, so that the medicine in the medicine container 2 can be conveniently output to the medicine supplementing tank of the converter station special valve water cooling system through the medicine supplementing pump 3 and the medicine supplementing pipe 31, and the connection is more labor-saving and convenient.
As shown in fig. 2, the control device 4 includes a touch screen module 401 and a PLC controller 402 that are connected to each other, and the control end of the drug infusion pump 3 is connected to the PLC controller 402, and in addition, other human-computer interaction devices and controller devices may be used as needed, and the principle is basically the same as that of this embodiment, and will not be described herein again.
In this embodiment, the touch screen module 401 is disposed on one side of the platform body 1, and the touch screen module 401 is obliquely disposed toward the upper side, so that the operation is more convenient and comfortable. In this embodiment, the PLC controller 402 adopts siemens S7-300PLC as a controller, and has a good programming capability, thereby providing good basic hardware for making the converter station dedicated valve water-cooling automatic medicine replenishing mobile platform of this embodiment function more powerful and more intelligent. Carry out the algorithm programming with PLC controller 402 according to the control demand, do the accurate control to the benefit medicine process, can accomplish the start-up and the stop function of benefit medicine system, can carry out medicament proportion definite value, flow detection definite value and the low liquid level warning definite value of medicinal cupping and set for, can monitor unusually and send alarm signal or promptly shut down moreover to make the converter station special valve water-cooling automatic benefit medicine moving platform of this embodiment more intelligent. When the device is used, the PLC 402 can realize the flow detection of water supplement and the liquid level detection of a medicine tank through signals fed back by the liquid level meter 43 and the reverse osmosis water production flow meter 42, and further complete the control of the medicine supplement pump 3 and the water supplement control valve 41 through the comparison of a detection result and a fixed value, so that the functions of automatic detection, automatic proportioning and automatic addition of the medicine supplement operation according to the pre-programmed requirements are realized.
Example two:
the present embodiment is substantially the same as the first embodiment, and the main differences are as follows: the automatic medicine supplementing method in the first embodiment is a medicine supplementing mode triggered after manual unlocking, and the step 4) is stopped and quitted when the liquid level of the medicine supplementing tank is larger than or equal to a first preset value, and is still triggered after manual unlocking when the medicine supplementing tank is started next time. In the embodiment, the medicine supplementing mode is triggered in a full-automatic mode, and the step 4) can continue to jump to execute the step 1) when the liquid level of the medicine supplementing tank is greater than or equal to the first preset value, so that full-automatic medicine supplementing can be realized, manual intervention is not needed completely, and manual operation can be further reduced.
The implementation steps of the intelligent automatic water-cooling chemical replenishing method for the valve of the extra-high voltage direct current converter station comprise:
1) detecting the liquid level of a medicine replenishing tank of a special valve water cooling system of the converter station, judging whether the liquid level is smaller than a first preset value, and if so, skipping to execute the step 2); otherwise, skipping again to execute the step 1);
2) detecting reverse osmosis generated flow in a reverse osmosis main water pipe of a special valve water cooling system of the convertor station, and skipping to execute the step 3 if the reverse osmosis generated flow is larger than a second preset value; otherwise, skipping again to execute the step 1);
3) controlling the flow of adding medicine into the medicine supplementing tank and the flow of supplementing water into the medicine supplementing tank according to the set value of the mixture ratio;
4) detecting the liquid level of a medicine replenishing tank of a special valve water cooling system of the converter station, judging whether the liquid level is greater than or equal to a first preset value, and if so, skipping to execute the step 1); otherwise, skipping again and executing the step 3).
The protection range of the invention is not limited to the converter station valve water-cooling medicine replenishing device with fixed voltage grade, and more requirements can be met by changing the functional parameters of the invention. It will be apparent to those skilled in the art that variations may be made in the size and arrangement of parts without departing from the scope and spirit of the invention. It is intended that the invention be construed as including all such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. An intelligent automatic water-cooling chemical replenishing method for a valve of an extra-high voltage direct current converter station is characterized by comprising the following implementation steps:
1) detecting the liquid level of a medicine replenishing tank of a special valve water cooling system of the converter station, judging whether the liquid level is smaller than a first preset value, and if so, skipping to execute the step 2); otherwise, skipping again to execute the step 1);
2) detecting reverse osmosis generated flow in a reverse osmosis main water pipe of a special valve water cooling system of the convertor station, and skipping to execute the step 3 if the reverse osmosis generated flow is larger than a second preset value; otherwise, skipping again to execute the step 1);
3) controlling the flow of adding medicine into the medicine supplementing tank and the flow of supplementing water into the medicine supplementing tank according to the set value of the mixture ratio;
4) detecting the liquid level of a medicine replenishing tank of the converter station special valve water cooling system, judging whether the liquid level is greater than or equal to a first preset value, and if so, skipping to execute the step 5); otherwise, skipping again and executing the step 3);
5) and stopping and exiting.
2. An intelligent automatic water-cooling chemical replenishing method for a valve of an extra-high voltage direct current converter station is characterized by comprising the following implementation steps:
1) detecting the liquid level of a medicine replenishing tank of a special valve water cooling system of the converter station, judging whether the liquid level is smaller than a first preset value, and if so, skipping to execute the step 2); otherwise, skipping again to execute the step 1);
2) detecting reverse osmosis generated flow in a reverse osmosis main water pipe of a special valve water cooling system of the convertor station, and skipping to execute the step 3 if the reverse osmosis generated flow is larger than a second preset value; otherwise, skipping again to execute the step 1);
3) controlling the flow of adding medicine into the medicine supplementing tank and the flow of supplementing water into the medicine supplementing tank according to the set value of the mixture ratio;
4) detecting the liquid level of a medicine replenishing tank of a special valve water cooling system of the converter station, judging whether the liquid level is greater than or equal to a first preset value, and if so, skipping to execute the step 1); otherwise, skipping again and executing the step 3).
3. The utility model provides an automatic device of mending of extra-high voltage direct current converter station valve water-cooling intellectuality which characterized in that: the automatic replenishment controller is programmed to execute the steps of the intelligent water-cooling automatic replenishment method for the extra-high voltage direct current converter station valve in the claims 1 or 2.
4. The utility model provides an automatic device of mending of extra-high voltage direct current converter station valve water-cooling intellectuality which characterized in that: comprises an automatic medicine supplementing unit, a medicine supplementing tank (5) and a reverse osmosis main water pipe (6), wherein the automatic medicine supplementing unit comprises a platform body (1) with wheels (10), a medicine container (2), a medicine supplementing pump (3) and a control device (4) are arranged on the platform body (1), a liquid inlet of the medicine supplementing pump (3) is connected with the medicine container (2), a liquid outlet of the medicine supplementing pump is connected with a medicine supplementing pipe (31), the medicine supplementing pipe (31) is connected with the medicine supplementing tank (5), a control end of the medicine supplementing pump (3) is connected with the control device (4), a water supplementing pipeline of the medicine supplementing tank (5) is connected with a water outlet of the reverse osmosis main water pipe (6), the control device (4) is connected with a water supplementing valve (41), a reverse osmosis water production flow meter (42) and a liquid level meter (43), and the water supplementing control valve (41) is arranged on the water supplementing pipeline of the medicine supplementing tank (5), water flowmeter (42) are produced in the reverse osmosis and are arranged on reverse osmosis main water pipe (6), level gauge (43) are arranged in benefit medicine jar (5), controlgear (4) are produced the reverse osmosis of water flowmeter (42) output according to the reverse osmosis and are produced water flow, level control benefit medicine pump (3) of level gauge (43) output, are mended water control valve (41) both according to the ratio setting value toward the flow of adding medicine in benefit medicine jar (5) and toward the flow of moisturizing in benefit medicine jar (5).
5. The intelligent water-cooling automatic medicine supplementing device for the extra-high voltage direct current converter station valve according to claim 4, characterized in that: the control equipment (4) comprises a touch screen module (401) and a PLC (programmable logic controller) (402) which are connected with each other, and the control end of the medicine supplementing pump (3) is connected with the PLC (402).
6. The intelligent water-cooling automatic medicine supplementing device for the extra-high voltage direct current converter station valve according to claim 5, characterized in that: the touch screen module (401) is arranged on one side of the platform body (1), and the touch screen module (401) is obliquely arranged towards the upper side.
7. The intelligent water-cooling automatic medicine supplementing device for the extra-high voltage direct current converter station valve according to claim 4, characterized in that: the medical nursing platform is characterized in that an installation inner cavity with a movable window (11) is formed in the platform body (1), and the medicament container (2) and the medicament supplementing pump (3) are installed in the installation inner cavity.
8. The intelligent water-cooling automatic medicine supplementing device for the extra-high voltage direct current converter station valve according to claim 4, characterized in that: the medicine supplementing pipe (31) is a hose.
9. The intelligent water-cooling automatic medicine supplementing device for the extra-high voltage direct current converter station valve according to claim 4, characterized in that: the upside of platform body (1) is equipped with medicament placement platform (12), be equipped with a plurality of recesses (13) in the medicament placement platform, and be equipped with one in each recess (13) and be used for placing medicament jar (14).
10. The intelligent water-cooling automatic medicine supplementing device for the extra-high voltage direct current converter station valve according to claim 4, characterized in that: the lower part of the platform body (1) is provided with a storage cabinet (15).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811296134.7A CN109502770B (en) | 2018-11-01 | 2018-11-01 | Intelligent automatic water-cooling drug supplementing method and device for valve of extra-high voltage direct current converter station |
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| CN201811296134.7A CN109502770B (en) | 2018-11-01 | 2018-11-01 | Intelligent automatic water-cooling drug supplementing method and device for valve of extra-high voltage direct current converter station |
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| CN109502770A CN109502770A (en) | 2019-03-22 |
| CN109502770B true CN109502770B (en) | 2021-12-24 |
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| CN109502770A (en) | 2019-03-22 |
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