CN210804125U - Static pressure type liquid level control system - Google Patents
Static pressure type liquid level control system Download PDFInfo
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- CN210804125U CN210804125U CN201922388056.XU CN201922388056U CN210804125U CN 210804125 U CN210804125 U CN 210804125U CN 201922388056 U CN201922388056 U CN 201922388056U CN 210804125 U CN210804125 U CN 210804125U
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Abstract
The utility model discloses a static pressure formula liquid level control system, including liquid level detector, control center, the pipeline of advancing medicine and the inlet channel that is used for detecting liquid level in the cooling tower, control center receives the liquid level value in the cooling tower that liquid level detector obtained to compare with predetermined liquid level value, after being less than predetermined liquid level value, control pipeline of advancing medicine and inlet channel inputs liquid medicine and water according to predetermined volume ratio. Obtain the interior liquid level value of cooling tower that the liquid level detector detected through control center, after being less than predetermined liquid level value, control medicine inlet pipe and inlet channel input liquid medicine and water according to predetermined volume ratio, because the liquid medicine that gets into and water are according to predetermined volume ratio like this, just so make wherein the pharmaceutical industry concentration maintain a less within range, the liquid level also can not be too high or low excessively, and adopt automatic control and automatic data acquisition, when having guaranteed coolant liquid position and quality, the purpose of having realized water saving, the human cost has been saved.
Description
Technical Field
The utility model relates to a waste gas treatment technical field, more specifically say, relate to a static pressure type liquid level control system.
Background
Due to the large-scale application of photovoltaic cells and the like, the demand of silicon wafers is increased sharply, and how to obtain high-quality and low-cost silicon wafers is a way to reduce the production cost under the condition that the silicon wafer processing technology is not greatly improved.
In the production process of silicon wafers, silicon materials need to be treated, waste gas such as chlorine gas and the like can be generated in the treatment process, the waste gas cannot be directly discharged into the air, on one hand, the waste gas is toxic and can cause damage to surrounding workers, residents, ecological environment and the like, on the other hand, the direct discharge does not accord with relevant discharge standards, and the illegal process is possibly suspected. Therefore, the waste gas is required to be treated, the waste gas is mainly treated in a spraying mode in the prior art, the waste gas and the alkali solution are combined by utilizing the principle of acid-alkali neutralization, and the waste gas is converted into a salt solution to realize the treatment of the waste gas, so that the emission reaches the standard.
The quality of cooling liquid in the existing closed cooling tower spray circulation system is manually detected and analyzed, and then manual medicine adding adjustment is carried out, so that equipment damage caused by the fact that the quality of water is seriously unqualified due to untimely detection easily occurs. The closed cooling tower is designed to control a spray water tank of the closed cooling tower by using a float switch, and when the liquid level is high, a float valve is closed; otherwise, the float valve is opened when the liquid level is low, the control is simple, the liquid level fluctuation is large, the temperature fluctuation is large, and the spray water pump is easy to damage when the liquid level is low. A large amount of medicaments need to be added into the closed cooling tower in the water replenishing process, but because the evaporation capacity is large, the system discharge capacity is large, the medicament flow loss is large, and the device corrosion and scaling prevention cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model provides a static pressure formula level control system when having guaranteed coolant liquid position and quality, has realized the purpose of water saving, has saved the human cost.
In order to solve the technical problem, the utility model provides a pair of static pressure type liquid level control system, including liquid level detector, the control center who is used for detecting liquid level in the cooling tower, advance medicine pipeline and inlet channel, control center receives liquid level detector obtains liquid level value in the cooling tower to compare with predetermined level value, be less than behind the predetermined level value, control advance medicine pipeline with inlet channel inputs liquid medicine and water according to predetermined volume ratio.
The system also comprises a conductivity detector which is arranged in the cooling tower and connected with the control center, and is used for detecting the conductivity of the liquid in the cooling tower, controlling the liquid medicine input pipeline to input liquid medicine after the conductivity is lower than a lowest conductivity threshold value, and controlling the water input pipeline to input water after the conductivity is higher than a highest conductivity threshold value.
The cooling tower further comprises a stirrer arranged in the cooling tower, and the stirrer is connected with the control center and used for changing the rotating speed according to a control command sent by the control center.
The cooling tower further comprises a pressure sensor arranged at the bottom in the cooling tower, the pressure sensor inputs a detected water pressure value into the control center, and the control center controls the medicine inlet pipeline and the water inlet pipeline to input medicine liquid and water according to a preset volume ratio after judging that the water pressure value is lower than a minimum pressure threshold.
The system also comprises a flow detector arranged in the cooling tower, and the flow detector is used for detecting the output flow of the liquid in the cooling tower and outputting the output flow to the control center, and the control center controls the flow value of the liquid inlet pipeline and the liquid inlet pipeline flowing into the cooling tower according to the output flow of the liquid in the cooling tower.
The system also comprises an alarm connected with the control center and used for sending alarm information to a designated person after the time when the liquid level in the cooling tower is lower than the lowest expected value, the time when the conductivity exceeds the expected conductivity or the time when the pressure is lower than the expected value exceeds the expectation.
The embodiment of the utility model provides a static pressure formula liquid level control system compares with prior art, has following advantage:
the static pressure type liquid level control system obtains a liquid level value in the cooling tower detected by the liquid level detector through the control center, and controls the medicine inlet pipeline and the water inlet pipeline to input liquid medicine and water according to a preset volume proportion after the liquid level value is lower than the preset liquid level value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic connection structure diagram of a static pressure type liquid level control system according to an embodiment of the present application.
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.
Fig. 1 is a schematic connection structure diagram of a static pressure type liquid level control system according to an embodiment of the present application, as shown in fig. 1.
In one embodiment, the static pressure type liquid level control system comprises a liquid level detector 10 for detecting the liquid level in a cooling tower, a control center 20, a medicine inlet pipe 30 and a water inlet pipe 40, wherein the control center 20 receives the liquid level value in the cooling tower obtained by the liquid level detector 10, compares the liquid level value with a preset liquid level value, and controls the medicine inlet pipe 30 and the water inlet pipe 40 to input medicine liquid and water according to a preset volume ratio after the liquid level value is lower than the preset liquid level value.
The static pressure type liquid level control system obtains the liquid level value in the cooling tower detected by the liquid level detector 10 through the control center 20, and controls the medicine inlet pipeline 30 and the water inlet pipeline 40 to input liquid medicine and water according to a preset volume proportion after the liquid level value is lower than the preset liquid level value, so that the medicine industry concentration is maintained in a smaller range because the entered liquid medicine and water are in the preset volume proportion, the liquid level is not too high or too low, automatic control and automatic data acquisition are adopted, the purpose of saving water is realized while the position and the quality of the cooling liquid are ensured, and the labor cost is saved.
The utility model discloses in normal operation, adopt the mode of synchronous supply, realize controlling into medicine pipeline 30 and inlet channel 40 and input liquid medicine and water according to predetermined volume ratio, the concentration that the earlier supplementary liquid medicine caused can not appear too high, perhaps make up water earlier and cause the condition that concentration is low excessively for its solution concentration at output can not appear big change basically, can realize the processing of accurate but waste gas.
In order to further improve the judgment of the concentration of the solution in the cooling tower and avoid accidents, in an embodiment of the present invention, the static pressure liquid level control system further comprises a conductivity detector disposed in the cooling tower and connected to the control center 20, for detecting the conductivity of the liquid in the cooling tower, and after the conductivity is lower than the minimum conductivity threshold, controlling the liquid medicine input from the medicine inlet pipe 30, and after the conductivity is higher than the maximum conductivity threshold, controlling the water input from the water inlet pipe 40.
The conductivity detector detects the conductivity in the cooling tower in real time, so that the concentration of the cooling tower can be judged, whether the concentration is increased or decreased and exceeds the expectation is judged, and accurate, safe and effective control is realized.
The utility model discloses do not do the restriction to quantity position structure type etc. of conductivity detector.
In order to solve the technical problem that the concentration of the local area in the cooling tower may be too high or too low due to the fact that the liquid medicine or water is input at the top, and the temperature is not uniform due to the uneven distribution, in an embodiment of the present invention, the static pressure type liquid level control system further includes an agitator disposed in the cooling tower, and the agitator is connected to the control center 20 for changing the rotation speed according to the control command issued by the control center 20.
Through setting up the agitator, in the input process of accomplishing liquid medicine and water, the misce bene as far as also makes the heat scatter fast for the concentration temperature isoparametric of output material keeps unchangeable basically.
In order to further improve the monitoring of the cooling tower, in an embodiment of the present invention, the static pressure liquid level control system further includes a pressure sensor disposed at the bottom inside the cooling tower, the pressure sensor inputs the detected water pressure value into the control center 20, and the control center 20 controls the medicine inlet pipe 30 and the water inlet pipe 40 to input the liquid medicine and the water according to a predetermined volume ratio after determining that the water pressure value is lower than the minimum pressure threshold value.
Through setting up pressure sensor, can cooperate with level detector 10, after a certain one takes place unusually, can carry out automatic correction, through the relation of liquid level and pressure intensity, can convert out solution concentration moreover, compare with the numerical value that the conductivity detector obtained, also can verify mutually equally. The utility model discloses do not do the injecing to pressure sensor's concrete position, model and signal transmission mode.
In order to further realize accurate control, in an embodiment of the present invention, the static pressure type liquid level control system further includes a flow detector disposed in the cooling tower for detecting an output flow of the liquid in the cooling tower and outputting the detected output flow to the control center 20, and the control center 20 controls the flow value of the liquid in the cooling tower flowing into the liquid inlet pipe 30 and the liquid inlet pipe 40 according to the output flow of the liquid in the cooling tower.
The flow rate of the liquid flowing out is obtained by the flow rate detector, so that the control center 20 can simultaneously control the input liquid, the effect of basically unchanging the liquid level is realized, and the purpose of static pressure is achieved.
Because in the use, the inevitable damage or the work anomaly of some instruments and equipment can appear, in order to facilitate the quick maintenance, avoid appearing the too high or too low condition of liquid level, in an embodiment of the utility model, the static pressure formula liquid level control system still includes the alarm that is connected with control center 20 for in the time that the liquid level in the cooling tower is lower than minimum expected value, the time that the conductivity exceeds expected conductivity or the time that the pressure is lower than expected value surpass between the expectation, to the appointed person alarm information.
To sum up, the embodiment of the utility model provides a static pressure formula liquid level control system acquires the liquid level value in the cooling tower that liquid level detector detected through control center, after being less than predetermined liquid level value, control medicine inlet pipe and inlet channel input liquid medicine and water according to predetermined volume ratio, because the liquid medicine that gets into is according to predetermined volume ratio with water like this, just so make wherein the pharmaceutical industry concentration maintain a less within range, the liquid level also can not be too high or low excessively, and adopt automatic control and automatic data acquisition, when having guaranteed coolant liquid position and quality, the purpose of having realized water saving has saved the human cost.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A static pressure type liquid level control system is characterized by comprising a liquid level detector for detecting the liquid level in a cooling tower, a control center, a medicine inlet pipeline and a water inlet pipeline, wherein the control center receives the liquid level value in the cooling tower obtained by the liquid level detector, compares the liquid level value with a preset liquid level value, and controls the medicine inlet pipeline and the water inlet pipeline to input liquid medicine and water according to a preset volume ratio after the liquid level value is lower than the preset liquid level value.
2. The static pressure liquid level control system according to claim 1, further comprising a conductivity detector disposed within said cooling tower and connected to said control center for detecting the conductivity of the liquid within said cooling tower and controlling said inlet conduit to input liquid after said conductivity is below a minimum conductivity threshold and controlling said inlet conduit to input water after said conductivity is above a maximum conductivity threshold.
3. The static pressure liquid level control system of claim 2 further comprising an agitator disposed within the cooling tower, the agitator being connected to the control center for varying the rotational speed in response to control commands issued by the control center.
4. The static pressure type liquid level control system according to claim 3, further comprising a pressure sensor disposed at the bottom of said cooling tower, said pressure sensor inputting a detected water pressure value to said control center, said control center controlling said liquid medicine inlet pipe and said water inlet pipe to input liquid medicine and water in a predetermined volume ratio after determining that said water pressure value is lower than a minimum pressure threshold value.
5. The static pressure type liquid level control system according to claim 4, further comprising a flow rate detector disposed in said cooling tower for detecting an output flow rate of the liquid in said cooling tower and outputting it to said control center, said control center controlling said flow rate values of said liquid inlet pipe and said liquid inlet pipe flowing into said cooling tower according to said output flow rate of the liquid in said cooling tower.
6. The hydrostatic level control system of claim 5, further comprising an alarm connected to the control center for alerting a designated person when the liquid level in the cooling tower is below a minimum expected value, when the conductivity exceeds an expected conductivity, or when the pressure is below an expected value.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922388056.XU CN210804125U (en) | 2019-12-26 | 2019-12-26 | Static pressure type liquid level control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922388056.XU CN210804125U (en) | 2019-12-26 | 2019-12-26 | Static pressure type liquid level control system |
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| CN210804125U true CN210804125U (en) | 2020-06-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534633A (en) * | 2022-03-02 | 2022-05-27 | 通用生物(滁州)有限公司 | High-precision feeding and conveying control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534633A (en) * | 2022-03-02 | 2022-05-27 | 通用生物(滁州)有限公司 | High-precision feeding and conveying control system |
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