CN213202483U - Power plant circulating water system with acid addition monitoring function - Google Patents
Power plant circulating water system with acid addition monitoring function Download PDFInfo
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- CN213202483U CN213202483U CN202021393232.5U CN202021393232U CN213202483U CN 213202483 U CN213202483 U CN 213202483U CN 202021393232 U CN202021393232 U CN 202021393232U CN 213202483 U CN213202483 U CN 213202483U
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Abstract
The utility model discloses a power plant circulating water system with monitoring and acidification functions, which comprises a tower pool, a low-pressure condenser, a high-pressure condenser, a detection device and an adjusting device, wherein the detection device comprises a plurality of tower pool pH detection devices which are arranged in the tower pool in a multipoint distribution manner, the adjusting device comprises a tower pool acidification device, one side of the water inlet end of the low-pressure condenser is provided with a low-pressure water inlet end pH detection device, one side of the water outlet end of the low-pressure condenser is provided with a low-pressure water outlet end pH detection device, the middle acidification device is arranged in the middle of a pipeline communicated with the low-pressure condenser and the high-pressure condenser, the water outlet end of the high-pressure condenser is provided with a high-pressure water outlet; the utility model discloses a tower pond pH detection device of multiple spot can be to the more accurate measurement of the pH value in the tower pond, reduces undulant error, and the distribution adds the acid equilibrium of the pH value of guaranteeing low pressure condenser and high pressure condenser tubular product internal circulating water, improves the scale removal effect.
Description
Technical Field
The utility model particularly relates to a circulating water system of power plant specifically is a circulating water system of power plant of area monitoring acidification.
Background
The circulating water system of the power plant mainly exchanges heat with water in the tower pool through a condenser and then returns to the tower pool again for cooling to finish the circulation of water, the temperature of the circulating water is increased after the heat exchange with the process device area, then the circulating water respectively enters a cooling water tower, the circulating water is subjected to the heat exchange with air in the tower and then is dripped into a cooling water pool under the tower to flow into a water collecting pool, the water discharged from the water collecting pool enters a water suction well through a double-layer grid and then is pressurized by a circulating water pump and then is sent to. Part of the circulating water backwater enters a side filtering system to reduce the concentration of suspended matters in the circulating water. Generally, circulating water at a water inlet end is alkalescent, and when pipes in a condenser flow in a circulating manner, scales are easily formed on the inner wall of the pipe to influence the heat exchange efficiency of the condenser, so that the pH value of the circulating water in a tower pond needs to be adjusted, the standard of the circulating water is ensured, the scaling condition of the inner wall of the condenser is reduced, and a detection device for detecting the pH value of the circulating water and an acid adding device for adjusting the pH value are arranged for general systems.
The inspection of the circulating water on the existing market is mostly single-point detection, the detected value is dialled undulant great, the acidification device can't be fast with acidizing fluid homodisperse to the tower pond in, unable quick accurate and stable regulation circulating water pH value, to some circulating water systems including multi-stage condenser such as pressure condenser, high pressure condenser, the end of intaking of system is different big to the play water end pH value, the circulating water of the end of intaking that can't guarantee every stage condenser all keeps standard acid-base value or keeps the acidizing fluid concentration of certain concentration to scale deposit in the pipe wall and carry out the neutralization, the acidizing fluid concentration of initial end is too high leads to the corrosion problem of tubular product inner wall easily, therefore, to above-mentioned problem, we need one kind can monitor and control more accurate stable power plant's circulating water system who monitors acidification.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power plant circulating water system that area monitoring adds acid to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a power plant circulating water system of area monitoring acidification, includes tower pond, low pressure condenser, high pressure condenser, the tubular product of low pressure condenser is intake and is held and be linked together through pump and tower pond, the play water end of low pressure condenser is held with the intake of high pressure condenser and is linked together, the play water end of high pressure condenser flows back in the tower pond through the pump, be equipped with the detection device who is used for detecting circulating water pH value in the tower pond, the tower pond is equipped with outward and is used for carrying out the adjusting device that the pH value was adjusted to the tower pond inside, detection device includes a plurality of tower pond pH detection devices of built-in inside multiple spot distribution in the tower pond, adjusting device includes tower pond acidification device, the intake of low pressure condenser one side is equipped with low pressure intake and holds pH detection device, and the play water end pH detection device is equipped with low pressure to water end one side of low pressure condenser, is equipped with middle acidification device, the middle acidification device is arranged at the rear end of the low-pressure condenser, the water outlet end of the high-pressure condenser is provided with a high-pressure water outlet end pH detection device, and a control display platform which is used for receiving output signals of the low-pressure water inlet end pH detection device, the low-pressure water outlet end pH detection device, the high-pressure water outlet end pH detection device and the tower pool pH detection device and controlling the middle acidification device, the tower pool acidification device and the stirring device to act is arranged outside the tower pool.
As a further aspect of the present invention: the low-pressure water inlet end pH detection device, the low-pressure water outlet end pH detection device, the high-pressure water outlet end pH detection device and the tower pool pH detection device are pH sensors, and a connecting pipeline of the low-pressure condenser and the high-pressure condenser is provided with a sealing port for installing the pH sensors.
As a further aspect of the present invention: the tower pond acidification device with middle acidification device all is including the storage acid cylinder that is used for storing the acidizing fluid, and storage acid cylinder is airtight acidproof barrel, and the discharge end of storage acid cylinder is through acidproof solenoid valve and the material end intercommunication of taking out of flow pump, is equipped with the one-way atmospheric pressure valve that is used for balanced inside atmospheric pressure on the storage acid cylinder, and the discharge end of the flow pump of tower pond acidification device one side communicates with each other through acidproof tubular product and tower pond inside, and the flow pump of middle acidification device one side is linked together with the connecting tube between low pressure condenser and the high pressure condenser.
As a further aspect of the present invention: the stirring device is internally provided with stirring paddles in the tower pool, the paddles are rotatably arranged in the tower pool, a driving motor for driving the stirring paddles to rotate is arranged outside the tower pool, and the control end of the driving motor is electrically connected with the output end of the control display platform.
As a further aspect of the present invention: the glue gun is characterized in that a glue ball cleaning device is arranged between the water inlet end of the low-pressure condenser and the water outlet end of the high-pressure condenser, the glue ball cleaning device comprises a ball collecting net, a glue ball pump and a ball containing chamber, the ball collecting net is arranged on one side of the water outlet end of the high-pressure condenser, and the ball outlet end of the glue gun pump is communicated with a pipe at the water inlet end of the low-pressure condenser.
As a further aspect of the present invention: the control display platform comprises a controller, a display unit and a key unit, wherein the signal output ends of the low-pressure water inlet end pH detection device, the low-pressure water outlet end pH detection device, the high-pressure water outlet end pH detection device, the tower pool pH detection device and the key unit are electrically connected with the data input end of the controller, and the output end of the controller is connected with the display unit, the middle acid adding device, the tower pool acid adding device and the stirring device.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a tower pond pH detection device of multiple spot can be to the more accurate measurement of the pH value in the tower pond, reduce the fluctuation error, wherein a plurality of pH sensors that set up in low pressure condenser and high pressure condenser both sides can be used for carrying out accurate independent measurement to low pressure condenser and high pressure condenser internal circulating water, and the middle acidification device that sets up between low pressure condenser and the high pressure condenser reduces the problem that the acidification is too concentrated and produces the corruption easily, the distribution acidification guarantees the equilibrium of the pH value of low pressure condenser and high pressure condenser tubular product internal circulating water, the descaling effect is improved.
Drawings
FIG. 1 is a system block diagram of a power plant circulating water system with monitoring of acid addition.
FIG. 2 is a block diagram of a rubber ball cleaning device in a power plant circulating water system with monitoring and acid adding functions.
Fig. 3 is a schematic structural diagram of a tower pool acid adding device in a power plant circulating water system with monitoring acid adding function.
In the figure: the system comprises a tower pool 1, a low-pressure condenser 2, a high-pressure condenser 3, a low-pressure water inlet end pH detection device 4, a low-pressure water outlet end pH detection device 5, a middle acid adding device 6, a high-pressure water outlet end pH detection device 7, a tower pool acid adding device 8, an acid storage cylinder 80, an acid-resistant electromagnetic valve 81, a flow pump 82, a one-way air pressure valve 83, a control display platform 9, a tower pool pH detection device 10 and a stirring device 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Example 1
Referring to fig. 1 to 3, in an embodiment of the present invention, a power plant circulating water system with acid addition monitoring function includes a tower pool 1, a low pressure condenser 2, and a high pressure condenser 3, wherein a water inlet end of a pipe of the low pressure condenser 2 is connected to the tower pool 1 through a pump, a water outlet end of the low pressure condenser 2 is connected to a water inlet end of the high pressure condenser 3, a water outlet end of the high pressure condenser 3 flows back into the tower pool 1 through the pump, a detection device for detecting an acid-base value of circulating water is disposed in the tower pool 1, an adjustment device for adjusting a pH value inside the tower pool 1 is disposed outside the tower pool 1, the detection device includes a plurality of tower pool pH detection devices 10 disposed inside the tower pool 1 at multiple points, the adjustment device includes a tower pool acid addition device 8, a low pressure water inlet end pH detection device 4 is disposed on one side of a water inlet end of the low pressure condenser 2, one side of the water outlet end of the low-pressure condenser 2 is provided with a low-pressure water outlet end pH detection device 5, the middle of a pipeline communicated with the low-pressure condenser 2 and the high-pressure condenser 3 is provided with a middle acid adding device 6, the middle acid adding device 6 is arranged at the rear end of the low-pressure condenser 2, the water outlet end of the high-pressure condenser 3 is provided with a high-pressure water outlet end pH detection device 7, and the outside of the tower pool 1 is provided with a control display platform 9 for receiving output signals of the low-pressure water inlet end pH detection device 4, the low-pressure water outlet end pH detection device 5, the high-pressure water outlet end pH detection device 7 and the tower pool pH detection device 10 and controlling the middle acid adding device 6, the tower pool acid.
The low-pressure water inlet end pH detection device 4, the low-pressure water outlet end pH detection device 5, the high-pressure water outlet end pH detection device 7 and the tower pool pH detection device 10 are pH sensors, a connecting pipeline of the low-pressure condenser 2 and the high-pressure condenser 3 is provided with a sealing port for installing the pH sensors, and the sealing port is convenient for the traditional pH sensors to be hermetically inserted inside the connecting pipe, so that circulating water at different positions can be checked.
The tower acid adding device 8 and the middle acid adding device 6 both comprise an acid storage cylinder 80 for storing acid liquor, the acid storage cylinder 80 is a closed acid-resistant cylinder body, the discharge end of the acid storage cylinder 80 is communicated with the material pumping end of a flow pump 82 through an acid-resistant electromagnetic valve 81, a one-way air pressure valve 83 for balancing internal air pressure is arranged on the acid storage cylinder 80, the discharge end of the flow pump 82 on one side of the tower acid adding device 8 is communicated with the inside of the tower tank 1 through an acid-resistant pipe, the flow pump 82 on one side of the middle acid adding device 6 is communicated with a connecting pipe between the low-pressure condenser 2 and the high-pressure condenser 3, the arranged flow pump 82 is mainly convenient for accurately controlling the acid adding amount, the acid-resistant electromagnetic valve 81 is mainly characterized in that an auxiliary protection device is additionally arranged between the acid storage cylinder 80 and the flow pump 82, when the acid liquor is prevented from working, the flow pump 82 is always transited to be filled, the acid storage cylinder 80 can be kept in a sealed state.
The stirring device 11 is internally provided with stirring blades in the tower pool 1, the blades are rotatably installed in the tower pool 1, a driving motor for driving the stirring blades to rotate is arranged outside the tower pool 1, the control end of the driving motor is electrically connected with the output end of the control display platform 9, the set stirring blades can accelerate the mixing speed of the added acid liquor, and the problem of detection errors of the pH inspection device caused by uneven distribution of the acid liquor in the tower pool 1 is prevented.
The control display platform 9 comprises a controller, a display unit and a key unit, the signal output ends of the low-pressure water inlet end pH detection device 4, the low-pressure water outlet end pH detection device 5, the high-pressure water outlet end pH detection device 7, the tower pool pH detection device 10 and the key unit are electrically connected with the data input end of the controller, the output end of the controller is connected with the display unit, the middle acidification device 6, the tower pool acidification device 8 and the stirring device 11, the control display platform 9 is used for displaying the pH value of each point in real time, the key unit can realize manual control of the middle acidification device 6, the tower pool acidification device 8 and the stirring device 11, and the controller can also automatically control the middle acidification device 6, the tower pool acidification device 8 and the stirring device 11 according to the pH value by an internal algorithm.
The utility model discloses a theory of operation is: when the device works, circulating water enters a low-pressure condenser 2 and a high-pressure condenser 3 from a tower pool 1 in sequence under the action of a pump and finally returns to the tower pool 1, a multi-point tower pool pH detection device 10 arranged in the tower pool 1 can detect the pH value in the tower pool 1 in multiple directions in real time and transmit a data value to a control display platform 9, the control display platform 9 obtains the real pH value in the tower pool 1 according to a value algorithm measured by the multi-point tower pool pH detection device 10, reduces errors easily caused by the uneven distribution of acid liquor or the measurement of a single-point sensor in the acid adding process, and controls the display platform 9 to determine whether to drive a tower pool acid adding device 8 and a stirring device 11 to act according to a threshold value set by comparing the pH values, wherein a low-pressure water inlet end pH detection device 4 and a low-pressure water outlet end pH detection device 5 are respectively arranged on two sides of a water inlet and outlet of the low-pressure condenser 2, and the low-pressure water inlet end pH detection device 4 mainly displays, the low-pressure water outlet end pH detection device 5 mainly displays whether the pH value of the circulating water is normal after the circulating water passes through the low-pressure water inlet end pH detection device 4, meanwhile, the low-pressure water outlet end pH detection device 5 also detects whether the pH value of the circulating water entering the high-pressure condenser 3 is normal, wherein the high-pressure water outlet end pH detection device 7 mainly detects whether the pH value of the circulating water discharged by the high-pressure condenser 3 is normal, so that the acid-base environment of the pipe material in the low-pressure condenser 2 can be judged by combining the parameters of the low-pressure water inlet end pH detection device 4 and the low-pressure water outlet end pH detection device 5, the acid-base environment of the pipe material in the high-pressure condenser 3 can be judged by combining the low-pressure water outlet end pH detection device 5 and the high-pressure water outlet end pH detection device 7, and according to the detection values, the control display platform 9, the circulating water with acid has consumed acid liquor to neutralize the alkaline dirt on the pipe wall when passing through the low-pressure condenser 2, the acid liquor in the middle acid adding device 6 can be ensured to be added again, so that the acid liquor entering the internal circulating water of the high-pressure condenser 3 or the acid liquor with enough concentration can be ensured to neutralize the alkaline dirt on the inner wall of the pipe material in the high-pressure condenser 3, and the acid liquor entering the low-pressure condenser 2 does not need too high concentration, thereby reducing the problem that the pipe material in the low-pressure condenser 2 can be corroded by the acid liquor with too high concentration, therefore, the utility model discloses a multi-point tower pool pH detection device 10 can more accurately measure the acid-base value in the tower pool 1, reduce fluctuation errors, wherein a plurality of pH sensors arranged at the two sides of the low-pressure condenser 2 and the high-pressure condenser 3 can be used for accurately and independently measuring the internal circulating water in the low-pressure condenser 2, and the problem that the excessive concentration of the added acid is easy to corrode is solved through the middle acid adding device 6 arranged between the low-pressure condenser 2 and the high-pressure condenser 3, the acid and alkali values of the circulating water in the pipe materials of the low-pressure condenser 2 and the high-pressure condenser 3 are balanced through the distributed acid adding, and the descaling effect is improved.
Example 2
This example differs from example 1 in that:
be equipped with rubber ball belt cleaning device between the end of intaking of low pressure condenser 2 and high pressure condenser 3's the play water end, rubber ball belt cleaning device includes ball receiving net, rubber ball pump and dress ball room, and the ball receiving net sets up in high pressure condenser 3's play water end one side, and the play ball end of gluey rifle pump communicates with each other with low pressure condenser 2's the end tubular product of intaking, and the rubber ball belt cleaning device who sets up mainly used flows the realization through the washing rubber ball in low pressure condenser 2 and high pressure condenser 3's tubular product and carries out the clearance function to tubular product inner wall impurity.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A power plant circulating water system with monitoring and acid adding functions comprises a tower pool (1), a low-pressure condenser (2) and a high-pressure condenser (3), wherein the water inlet end of a pipe of the low-pressure condenser (2) is communicated with the tower pool (1) through a pump, the water outlet end of the low-pressure condenser (2) is communicated with the water inlet end of the high-pressure condenser (3), the water outlet end of the high-pressure condenser (3) flows back into the tower pool (1) through the pump, a detection device for detecting the pH value of circulating water is arranged in the tower pool (1), and an adjusting device for adjusting the pH value in the tower pool (1) is arranged outside the tower pool (1);
the device is characterized in that the adjusting device comprises a tower pool acid adding device (8), one side of a water inlet end of the low-pressure condenser (2) is provided with a low-pressure water inlet end pH detection device (4), one side of a water outlet end of the low-pressure condenser (2) is provided with a low-pressure water outlet end pH detection device (5), a middle acid adding device (6) is arranged in the middle of a pipeline communicated with the low-pressure condenser (2) and the high-pressure condenser (3), the middle acid adding device (6) is arranged at the rear end of the low-pressure condenser (2), the water outlet end of the high-pressure condenser (3) is provided with a high-pressure water outlet end pH detection device (7), and the tower pool (1) is externally provided with a device for receiving output signals of the low-pressure water inlet end pH detection device (4), the low-pressure water outlet end pH detection device (5), the high-pressure water outlet end pH detection device (7), A control display platform (9) for the action of the tower pool acidification device (8) and the stirring device (11).
2. The power plant circulating water system with acid adding monitoring function according to claim 1, wherein the low-pressure water inlet end pH detection device (4), the low-pressure water outlet end pH detection device (5), the high-pressure water outlet end pH detection device (7) and the tower pool pH detection device (10) are pH sensors, and a connection pipeline between the low-pressure condenser (2) and the high-pressure condenser (3) is provided with a sealing port for installing the pH sensors.
3. The power plant circulating water system with acid adding monitoring function according to claim 1, wherein the tower pool acid adding device (8) and the intermediate acid adding device (6) comprise an acid storage cylinder (80) for storing acid liquor, the acid storage cylinder (80) is a closed acid-resistant cylinder, the discharge end of the acid storage cylinder (80) is communicated with the material pumping end of the flow pump (82) through an acid-resistant electromagnetic valve (81), a one-way air pressure valve (83) for balancing internal air pressure is arranged on the acid storage cylinder (80), the discharge end of the flow pump (82) on one side of the tower pool acid adding device (8) is communicated with the inside of the tower pool (1) through an acid-resistant pipe, and the flow pump (82) on one side of the intermediate acid adding device (6) is communicated with a connecting pipe between the low-pressure condenser (2) and the high-pressure condenser (3).
4. A power plant circulating water system with acid adding monitoring function according to claim 1, characterized in that the stirring device (11) is internally provided with a stirring paddle in the tower pool (1), the paddle is rotatably arranged in the tower pool (1), a driving motor for driving the stirring paddle to rotate is arranged outside the tower pool (1), and the control end of the driving motor is electrically connected with the output end of the control display platform (9).
5. A power plant circulating water system with monitoring acidification according to any one of claims 1-3, characterized in that a rubber ball cleaning device is arranged between the water inlet end of the low pressure condenser (2) and the water outlet end of the high pressure condenser (3), the rubber ball cleaning device comprises a ball collecting net, a rubber ball pump and a ball loading chamber, the ball collecting net is arranged on the side of the water outlet end of the high pressure condenser (3), and the ball outlet end of the rubber gun pump is communicated with the pipe of the water inlet end of the low pressure condenser (2).
6. The power plant circulating water system with acid adding monitoring function according to claim 1, wherein the control display platform (9) comprises a controller, a display unit and a key unit, signal output ends of the low-pressure water inlet end pH detection device (4), the low-pressure water outlet end pH detection device (5), the high-pressure water outlet end pH detection device (7), the tower pool pH detection device (10) and the key unit are electrically connected with a data input end of the controller, and an output end of the controller is connected with the display unit, the middle acid adding device (6), the tower pool acid adding device (8) and the stirring device (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021393232.5U CN213202483U (en) | 2020-07-15 | 2020-07-15 | Power plant circulating water system with acid addition monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021393232.5U CN213202483U (en) | 2020-07-15 | 2020-07-15 | Power plant circulating water system with acid addition monitoring function |
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| Publication Number | Publication Date |
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| CN213202483U true CN213202483U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021393232.5U Expired - Fee Related CN213202483U (en) | 2020-07-15 | 2020-07-15 | Power plant circulating water system with acid addition monitoring function |
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| CN (1) | CN213202483U (en) |
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2020
- 2020-07-15 CN CN202021393232.5U patent/CN213202483U/en not_active Expired - Fee Related
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Granted publication date: 20210514 |