CN101497387B - Device and method for maintaining atmosphere in chemical tank - Google Patents

Abstract

The invention relates to a chemical barrel tank atmosphere maintaining device and a method thereof. The chemical vat atmosphere maintaining device comprises: a nitrogen gas pre-humidifier, a temperature sensor, a chemical tank, a humidity sensor and a controller. The chemical barrel tank atmosphere maintaining method comprises the following steps: nitrogen and solution enter a nitrogen prehumidifier, the nitrogen with moisture is separated from pure water gas through an outlet and a water-gas separator, and then the nitrogen with moisture is introduced into a third inlet to a chemical barrel tank, so that the nitrogen contains moisture and the specific temperature and humidity in the chemical barrel tank are maintained; increasing the water content of the nitrogen when the temperature of the heating plate rises, and enabling the nitrogen to contain water vapor through the outlet and the third inlet to the chemical barrel groove; the measured temperature of the temperature sensor is used to adjust the operation of the heating plate by the control of the controller. The invention can achieve the atmosphere balance of relative temperature and humidity in the chemical barrel groove, can reduce the crystallization phenomenon of chemical substances in the chemical barrel groove on the wall of the barrel groove, and can maintain the stability of the chemical substances.

Description

Device and method for maintaining atmosphere in chemical tank

technical field

The invention relates to an atmosphere maintaining device and its method, in particular to a tank suitable for storing chemical liquids, which can achieve the balance of relative temperature and humidity in the chemical tank, and reduce the chemical substances in the chemical tank on the tank wall. A chemical tank tank atmosphere maintaining device and method thereof which produce crystallization and maintain the stability of chemical substances.

Background technique

The existing conventional chemical tank atmosphere maintenance device is designed to directly heat or humidify the chemical tank to achieve a short-term atmosphere balance effect. Please refer to Fig. 4A and Fig. 4B, Fig. 4a is a first structural plan view of a conventional chemical tank atmosphere maintaining device, and Fig. 4b is a second structural plan view of an existing conventional chemical tank atmosphere maintaining device. Wherein, the existing conventional chemical tank atmosphere maintaining device is as shown in Figure 4A, a humidifier 711 is set outside the chemical tank 71, or as shown in Figure 4B, a heater is set outside the chemical tank 71 712, to balance the atmosphere inside the chemical tank 71, thereby reducing crystallization on the inner wall of the chemical tank 71.

There is following shortcoming in this existing conventional chemical barrel tank atmosphere maintenance device:

1. The composition of the gas inside the chemical tank 71 is unknown, and its stability is not good. When heated, it is easy to produce chemical reactions, which affects the quality of chemical substances in terms of composition.

2. The temperature and relative humidity inside the chemical tank 71 are not easy to control, so in terms of performance, a continuous atmosphere balance effect cannot be produced, and crystallization cannot be effectively inhibited.

The above-mentioned existing conventional chemical tank atmosphere maintenance device, although it can meet the basic requirements of reducing the generation of crystals, has many shortcomings and deficiencies in the stability and efficiency during use, so it cannot play a better role. Specific industrial applicability.

This shows that the above-mentioned existing chemical tank atmosphere maintaining device obviously still has inconvenience and defects in product structure and use, and needs to be further improved urgently. In order to solve the above-mentioned problems, the relevant manufacturers have tried their best to find a solution, but no suitable design has been developed for a long time, and there is no suitable structure and method for general products and methods to solve the above-mentioned problems. This is obviously a problem that relevant industry players are eager to solve. Therefore, how to create a new chemical tank atmosphere maintaining device and its method is one of the current important research and development issues, and has also become a goal that the industry needs to improve.

In view of the defects in the above-mentioned existing chemical tank atmosphere maintaining device, the inventor actively researches and innovates on the basis of rich practical experience and professional knowledge engaged in the design and manufacture of this type of product for many years, and cooperates with the application of academic theory, in order to create a kind of The new chemical tank atmosphere maintaining device and method thereof can improve the general existing chemical tank atmosphere maintaining device and make it more practical. Through continuous research, design, and after repeated trial samples and improvements, the present invention with practical value is finally created.

Contents of the invention

The purpose of the present invention is to overcome the defects of the existing chemical tank atmosphere maintaining device, and provide a new chemical tank atmosphere maintaining device. The technical problem to be solved is to make it possible to solve the existing chemical tank atmosphere. The holding device has shortcomings in terms of stability and performance, as well as limitations in practical technology. On the one hand, it can stabilize the chemical properties of the chemical substances in the chemical tank, and on the other hand, it can generate a continuous atmosphere. The balance effect can effectively inhibit crystallization. In addition to achieving the basic functions it should have, it can also meet the actual development and requirements of industrial applicability, which is very suitable for practical use.

Another object of the present invention is to provide a new method for maintaining the atmosphere of chemical tanks. After the nitrogen gas is pre-wetted and separated from pure water, it becomes nitrogen with moisture, and it is discharged into the chemical tank to maintain a specific humidity in the chemical tank to achieve a chemical tank. The atmosphere in the tank is balanced, thereby reducing the crystallization of the chemical substances in the chemical tank on the tank wall and maintaining the stability of the chemical substances, which is very suitable for practical use.

The purpose of the present invention and the solution to its technical problems are achieved by adopting the following technical solutions. According to the present invention, a chemical tank atmosphere maintaining device includes: a nitrogen pre-humidifier with a first inlet, a second inlet and an outlet, the first inlet is fed with nitrogen, and the second inlet is passed through Into the solution, the outlet leads out the humidified nitrogen, in addition, the bottom of the nitrogen prehumidifier is provided with a heating plate; a temperature sensor is arranged on the wall of the nitrogen prehumidifier, which can sense the temperature of the nitrogen prehumidifier A device for internal temperature; a chemical tank with a third inlet, the third inlet is connected to the outlet; a humidity sensor is arranged on the wall of the chemical tank, which can sense the humidity in the chemical tank device; and a controller that is respectively connected to and controls the heating plate, the temperature sensor and the humidity sensor; wherein, when the nitrogen and the solution enter the nitrogen pre-humidifier, the humidity sensor The measured humidity of the device is controlled by the controller to adjust the temperature of the heating plate. When the temperature of the heating plate rises, nitrogen can be added to increase its water content, and the outlet and the third inlet can be sent to the chemical barrel In the tank, the nitrogen gas contains water vapor, and the temperature measured by the temperature sensor is controlled by the controller to adjust the action of the heating plate.

The purpose of the present invention and its technical problems can also be further realized by adopting the following technical measures.

The aforementioned chemical tank atmosphere maintaining device further includes a water vapor separator, which is between the outlet and the third inlet, and the water vapor separator has an input pipeline and an output pipeline, and the input pipeline is connected to The outlet and the output pipeline are connected to the third inlet, and the moisture separator is a device for separating the nitrogen humidified by the nitrogen prehumidifier from pure water.

The aforementioned chemical tank atmosphere maintaining device, wherein the nitrogen pre-humidifier is provided with an automatic replenishment valve in front of the first inlet and the second inlet respectively.

The purpose of the present invention and the solution to its technical problem also adopt the following technical solutions to achieve. A method for maintaining the atmosphere of a chemical tank according to the present invention, which includes the following steps: (a). Using the nitrogen and the solution to enter the nitrogen pre-humidifier, the humidity is measured by the humidity sensor, through the The controller is controlled to adjust the temperature of the heating plate; (b). When the temperature of the heating plate is raised, nitrogen can be added to increase its water content, and then enter the chemical tank through the outlet and the third inlet, so that The nitrogen contains moisture; and (c). The temperature measured by the temperature sensor is used to control the controller to adjust the action of the heating plate.

Compared with the prior art, the present invention has obvious advantages and beneficial effects. As can be seen from above technical scheme, main technical content of the present invention is as follows:

In order to achieve the above object, the present invention provides a chemical tank atmosphere maintaining device, which includes a nitrogen pre-humidifier, a temperature sensor, a chemical tank, a humidity sensor and a controller. The nitrogen pre-humidifier has a first inlet, a second inlet and an outlet. The first inlet is fed into nitrogen, the second inlet is fed into solution, and the outlet is to lead out humidified nitrogen. In addition, the bottom of the nitrogen pre-humidifier is set There is a heating plate; the temperature sensor is arranged on the wall of the nitrogen pre-humidifier, which can sense the temperature in the nitrogen pre-humidifier; the chemical tank has a third inlet, and the third inlet is connected to the outlet; the humidity sensor The device is arranged on the wall of the chemical tank and can sense the humidity in the chemical tank; and the controller is respectively connected to and controls the heating plate, the temperature sensor and the humidity sensor; wherein, when the nitrogen and the solution enter The nitrogen prehumidifier, through the outlet and the third inlet, enters the chemical tank to make the nitrogen contain water vapor. The humidity is measured by the humidity sensor and controlled by the controller to adjust the temperature of the heating plate. When the heating plate When the temperature rises, nitrogen can be used to increase its water content, and the temperature measured by the temperature sensor is controlled by the controller to adjust the action of the heating plate.

In addition, in order to achieve the above object, the present invention also provides a method for maintaining the atmosphere of a chemical tank, which includes: s31: use nitrogen and the solution to enter the nitrogen pre-humidifier, and pass the outlet and the moisture separator The nitrogen is separated from the pure water, and then the nitrogen with moisture is introduced into the third inlet into the chemical tank, so that the nitrogen contains water vapor to maintain a specific temperature and humidity in the chemical tank. s32: When the temperature of the heating plate rises, the water content of the nitrogen can be increased, and the nitrogen can contain water vapor through the outlet and the third inlet into the chemical tank. s33: Use the temperature measured by the temperature sensor to control the temperature through the controller to adjust the action of the heating plate.

By virtue of the above technical solutions, the chemical tank atmosphere maintaining device and method thereof of the present invention have at least the following advantages and beneficial effects:

1. The controller can achieve the temperature and humidity conditions required to maintain the balance of the atmosphere in the chemical tank in the shortest time, and can slow down or even stop the crystallization rate.

2. Use the connection of the controller to automatically adjust the temperature and humidity of the humidified nitrogen with the temperature and humidity sensors, which can effectively reduce the crystallization of the inner wall of the chemical tank.

3. Humidified nitrogen entering the chemical tank has a high degree of chemical stability and will not affect the original properties of the chemical substances in the tank. Using humidified nitrogen can increase the relative humidity corresponding to a specific temperature in the tank.

In summary, the present invention relates to a chemical tank atmosphere maintaining device and its method, including: a nitrogen pre-humidifier, a temperature sensor, a chemical tank, a humidity sensor and a controller . Nitrogen and solution are respectively passed into the nitrogen pre-humidifier, the outlet of the nitrogen pre-humidifier is to export the humidified nitrogen, and the bottom of the nitrogen pre-humidifier is equipped with a heating plate, through the nitrogen pre-humidifier, temperature sensor, Devices such as controllers and humidity sensors convert the nitrogen gas into wet nitrogen gas after pre-humidity procedures, and discharge it into the chemical tank to achieve an atmosphere balance of relative temperature and relative humidity in the chemical tank , thereby reducing the crystallization of chemical substances in the chemical tank on the tank wall. The chemical tank atmosphere maintaining device of the present invention can solve the shortcomings of existing chemical tank atmosphere maintaining devices in terms of stability and performance, as well as the problems of being limited in terms of practical technology. On the one hand, it can achieve Stabilize the chemical properties of the chemical substances in the chemical tank. On the other hand, it can produce a continuous atmosphere balance effect, which can effectively inhibit the crystallization phenomenon. In addition to achieving the basic functions it should have, it can also make it capable of meeting industrial applications. The actual development and requirements of sexuality. The method for maintaining the atmosphere of the chemical tank of the present invention uses nitrogen pre-humidifier, moisture separator, heating plate, temperature sensor, humidity sensor and other devices to pre-wet the nitrogen gas and separate the pure water gas and other procedures. , become nitrogen with moisture, and discharge it into the chemical tank to maintain a specific humidity in the chemical tank, which can achieve the balance of the atmosphere in the chemical tank, thereby reducing the chemical substances in the chemical tank The phenomenon of crystallization occurs on the tank wall, which can maintain the stability of chemical substances. The present invention has the above-mentioned many advantages and practical value, and it has great improvement no matter in product structure, method or function, has significant progress in technology, and has produced easy-to-use and practical effects, and compared with existing chemical The barrel tank atmosphere maintaining device has enhanced outstanding functions, so it is more suitable for practical use, and it is a novel, progressive and practical new design.

The above description is only an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention, it can be implemented according to the contents of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable , the following preferred embodiments are specifically cited below, and are described in detail as follows in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is a structural plan view of a preferred embodiment of the chemical tank atmosphere maintaining device of the present invention.

Fig. 2 is a flow chart of temperature adjustment and humidification in a preferred embodiment of the chemical tank atmosphere maintenance method of the present invention.

Fig. 3 is the relationship diagram of temperature, humidity and time of a preferred embodiment of the method for maintaining the atmosphere of the chemical tank of the present invention.

Fig. 4a is a first structural plan view of an existing conventional chemical tank atmosphere maintaining device.

Fig. 4b is a second structural plan view of the conventional chemical tank atmosphere maintaining device.

1: Chemical tank atmosphere maintenance device 11: Nitrogen pre-humidifier

111: The first entrance 112: The second entrance

113: Exit 114: Heating plate

115: Temperature sensor 12: Moisture separator

121: Input pipeline 122: Output pipeline

13: Controller 15, 71: Chemical tank

151: The third entrance 152: Humidity sensor

16: Automatic replenishment valve 711: Humidifier

712: heater s31 to s33: steps

Detailed ways

For further elaborating the technical means and effects that the present invention takes to reach the intended invention purpose, below in conjunction with accompanying drawing and preferred embodiment, to its specific implementation, structure of the chemical tank tank atmosphere maintenance device and its method that propose according to the present invention , method, step, feature and effect thereof, detailed description is as follows.

The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of preferred embodiments with reference to the drawings. Through the description of the specific implementation mode, when the technical means and functions adopted by the present invention to achieve the predetermined purpose can be obtained a deeper and more specific understanding, but the accompanying drawings are only for reference and description, and are not used to explain the present invention be restricted.

Please refer to FIG. 1 , which is a structural plan view of a preferred embodiment of the chemical tank atmosphere maintaining device of the present invention. The chemical tank atmosphere maintenance device 1 of the preferred embodiment of the present invention comprises: a nitrogen pre-humidifier 11, a water vapor separator 12, a temperature sensor 115, a chemical tank 15, and a humidity sensor 152 and a controller 13.

The above-mentioned nitrogen pre-humidifier 11 has a first inlet 111, a second inlet 112 and an outlet 113;

The first inlet 111 is fed with nitrogen;

The second inlet 112 is fed into a solution (this solution can be one of water, deionized water (DIZ) and distilled water);

The outlet 113 is to export the humidified nitrogen.

In addition, a heating plate 114 is disposed at the bottom of the nitrogen pre-humidifier 11 , and a temperature sensor 115 is disposed on a side wall of the nitrogen pre-humidifier 11 .

In addition, an automatic replenishment valve 16 is respectively provided in front of the first inlet 111 and the second inlet 112 of the nitrogen pre-humidifier 11 .

The above-mentioned temperature sensor 115 is disposed on the side wall of the nitrogen pre-humidifier 11 and is a temperature sensing device capable of sensing the temperature inside the nitrogen pre-humidifier 11 .

The above-mentioned chemical tank 15 has a third inlet 151 , and the third inlet 151 is connected to the output pipeline 122 .

The above-mentioned humidity sensor 152 is arranged on the wall of the chemical tank 15 and is a humidity sensing device capable of sensing humidity in the chemical tank 15 .

The above-mentioned water-gas separator 12 is a device that separates the nitrogen gas humidified by the nitrogen pre-humidifier 11 from pure water, and the input pipeline 121 of the water-gas separator 12 is connected to the outlet 113 of the nitrogen pre-humidifier 11, and the water The output pipeline 122 of the gas separator 12 is connected to the third inlet 151 of the chemical tank 15 .

The above-mentioned controller 13 is respectively connected to and controls the heating plate 114, the temperature sensor 115 and the humidity sensor 152. The heating plate 114 can be used to heat the solution in the nitrogen pre-humidifier 11 so that the solubility is extremely high through the solution. When the low nitrogen gas escapes from the liquid level of the solution, it mixes with the moisture above the solution to form nitrogen gas containing moisture, and the controller 13 can receive the temperature in the nitrogen pre-humidifier 11 detected by the temperature sensor 115, To adjust the action of the heating plate 114 .

When nitrogen and solution enter the nitrogen pre-humidifier 11, the humidity measured by the humidity sensor 152 is controlled by the controller 13 to adjust the temperature of the heating plate 114. When the temperature of the heating plate 114 rises, the nitrogen gas can be Increase its water content, through outlet 113, moisture separator 12 will have the nitrogen with moisture and pure water gas phase separation, then import the nitrogen with moisture into the chemical tank 15 through the 3rd inlet 151, make nitrogen Contains moisture, and the temperature is measured by the temperature sensor 115 and controlled by the controller 13 to adjust the action of the heating plate 114 .

The working process of the chemical tank atmosphere maintaining device of the present invention is: nitrogen and solution are sent into nitrogen pre-humidifier 11, and dry nitrogen absorbs moisture in the solution inside nitrogen pre-humidifier 11 to become nitrogen with moisture The nitrogen with moisture is separated from the pure water through the water separator 12, and then the nitrogen with moisture is introduced into the chemical tank 15, and the atmosphere in the chemical tank 15 can be maintained by humidifying the nitrogen balance, and can effectively reduce the crystallization of the inner wall of the chemical tank.

Please refer to FIG. 1 and FIG. 2 . FIG. 2 is a flow chart of temperature regulation and humidification in a preferred embodiment of the method for maintaining the atmosphere of a chemical tank according to the present invention. The chemical tank tank atmosphere maintenance method of the preferred embodiment of the present invention comprises the following steps:

s31: Use nitrogen and the solution to enter the nitrogen pre-humidifier, separate the nitrogen with moisture from the pure water through the outlet and the water separator, and then introduce the nitrogen with moisture into the third inlet to the chemical tank Inside, nitrogen contains moisture to maintain a specific temperature and humidity in the chemical tank.

s32: The humidity measured by the humidity sensor is controlled by the controller to adjust the temperature of the heating plate. When the temperature of the heating plate rises, nitrogen can be added to increase its water content.

s33: Using the temperature measured by the temperature sensor to control the temperature via the controller to adjust the action of the heating plate.

Please refer to FIG. 3 , which is a relationship diagram of temperature, humidity and time in a preferred embodiment of the chemical tank atmosphere maintenance method of the present invention. It can be clearly seen from the figure that the change of temperature and humidity versus time after the humidified nitrogen gas in the chemical tank 15 is discharged, after 30 minutes of operation, the relative humidity (RH; related humidity) reaches a level of about 90%. The saturated vapor pressure in the chemical tank 15 approximately reaches the pressure value corresponding to the saturation temperature, which can suppress or reduce the crystallization of chemical substances in the chemical tank 15 .

In summary, because the humidified nitrogen discharged into the chemical tank 15 has a high degree of chemical stability, it will not affect the original properties of the chemical substances in the chemical tank 15, and the relative humidity of the chemical tank 15 is gradually increased by using the humidified nitrogen. and temperature can effectively reduce the generation of crystallization on the inner wall of the chemical tank 15; and reach the temperature and humidity state conditions required to maintain the balance of the atmosphere in the chemical tank 15 in the shortest time, which can slow down or even stop the crystallization rate before equilibrium.

Based on the above, the present invention is an application technology for a chemical tank atmosphere maintenance device and its method, especially a nitrogen prehumidifier, a water separator, a heating plate, a temperature sensor and a humidity sensor. Devices such as devices, after the nitrogen is pre-wetted and separated from pure water, it becomes nitrogen with moisture, and it is discharged into the chemical tank to maintain a specific humidity in the chemical tank to achieve chemical tank The atmosphere balance in the chemical tank can reduce the crystallization phenomenon of the chemical substance in the chemical tank on the tank wall, and the stability of the chemical substance can be maintained. This is what the present invention does for the chemical tank atmosphere maintaining device and method The most specific improvement invention is indeed the best improvement and design suitable for wide application in the industry.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with this field Those skilled in the art, without departing from the scope of the technical solution of the present invention, may use the method and technical content disclosed above to make some changes or modifications to equivalent embodiments with equivalent changes, but if they do not depart from the technical solution of the present invention, Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims (3)

1. chemical barrel trough atmosphere retaining device is characterized in that it comprises:

The one nitrogen device of prewetting has one first inlet, one second inlet and an outlet, and this first inlet feeds nitrogen, and this second inlet feeds solution, and the nitrogen behind humidification is derived in this outlet, and in addition, the prewet bottom of device of this nitrogen is provided with a heating plate;

One moisture separator has a chargine line and a delivery conduit, and this chargine line connects this outlet, and this moisture separator is with this nitrogen device that the nitrogen of device institute humidification separates with pure water gas of prewetting;

One temperature-sensitive sticker is to be arranged at this nitrogen to prewet on the wall, the device of temperature in the device but this nitrogen of sensing is prewetted;

One chemical barrel trough has one the 3rd inlet, and this delivery conduit connects the 3rd inlet;

One humidity sensor is to be arranged on this chemical barrel trough wall, but the device of humidity in this chemical barrel trough of sensing; And

One controller is to connect respectively and control this heating plate, this temperature-sensitive sticker and this humidity sensor;

Wherein, when this nitrogen and this solution enter this nitrogen device of prewetting,, controlled via this controller by the measurement humidity of this humidity sensor, to adjust the temperature of this heating plate, when this temperature of heating plate raises, nitrogen can be increased its aqueous ingredients, enter the mouth to this chemical barrel trough via this outlet, the 3rd, make this nitrogen contain aqueous vapor, by the measuring temperature of this temperature-sensitive sticker, controlled via this controller, in addition to adjust the start of this heating plate.

2. chemical barrel trough atmosphere retaining device according to claim 1, it is characterized in that wherein said nitrogen prewet device this first the inlet and this second entrance before respectively be provided with an automatic replenishment valve respectively.

3. chemical barrel trough atmosphere maintenance method is characterized in that it comprises following steps:

(a). utilize nitrogen and a solution to enter the nitrogen device of prewetting, measure the humidity of this chemical barrel trough by a humidity sensor that is arranged at a chemical barrel trough wall, connect a heating plate, a temperature-sensitive sticker and this humidity sensor respectively to be controlled, to adjust the temperature of this heating plate via a controller;

(b). when utilizing this temperature of heating plate to raise, this nitrogen can be increased its aqueous ingredients, prewet one the 3rd inlet of an outlet, this chemical barrel trough of device to this chemical barrel trough, make this nitrogen contain aqueous vapor via this nitrogen; And

(c). utilize the measuring temperature of this temperature-sensitive sticker, controlled, to adjust the start of this heating plate via this controller.

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