CN215247127U - Concentrated sulfuric acid storage device - Google Patents
Concentrated sulfuric acid storage device Download PDFInfo
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- CN215247127U CN215247127U CN202120613128.0U CN202120613128U CN215247127U CN 215247127 U CN215247127 U CN 215247127U CN 202120613128 U CN202120613128 U CN 202120613128U CN 215247127 U CN215247127 U CN 215247127U
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Abstract
The utility model discloses a concentrated sulfuric acid storage device, which comprises a tank body, a dryer, a first acid inlet pipe, a second acid inlet pipe, a third pipe and a fourth pipe, wherein the tank body is used for containing concentrated sulfuric acid, a communicating port is arranged on the top wall, one end of the first acid inlet pipe extends into the concentrated sulfuric acid in the tank body, the other end of the first acid inlet pipe extends out of the tank body, one end of the second acid inlet pipe is communicated with the first acid inlet pipe, the dryer is positioned outside the tank body, and be equipped with the packing layer in the desicator and be located the shower of packing layer top, the other end of second entering acid pipe and the shower intercommunication in the desicator, the periphery wall of desicator has air inlet, leakage fluid dram and gas vent, the one end and the leakage fluid dram intercommunication of third pipe, the other end of third pipe stretches into in the internal concentrated sulfuric acid of jar, the one end and the gas vent intercommunication of fourth pipe, the other end and the intercommunication mouth intercommunication of fourth pipe. The utility model discloses concentrated sulfuric acid storage device running cost is low, easy operation.
Description
Technical Field
The utility model relates to a liquid storage pot technical field specifically, relates to a concentrated sulfuric acid storage device.
Background
The vent pipe of the concentrated sulfuric acid storage device is directly communicated with the atmosphere, under the condition that the liquid level in the storage device drops or the volume of the air above the liquid level is reduced due to temperature reduction, moisture in the outside air can directly enter the storage device along with the air and is mixed with residual concentrated acid liquid drops on the tank wall above the liquid level in the storage device to form dilute sulfuric acid, and the dilute sulfuric acid can directly cause corrosion of the steel concentrated sulfuric acid storage device.
For this reason, in the related art, measures such as a nitrogen seal, an air drying agent, and an increase in the corrosion margin of the tank wall have been proposed to reduce the risk of corrosion leakage of the storage apparatus, but the measures such as the nitrogen seal and the increase in the corrosion margin of the tank wall have a problem of high investment cost, and the measures such as the air drying agent have a problem of high cost and frequent replacement of the air drying agent.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, the embodiment of the utility model provides a concentrated sulfuric acid storage device, concentrated sulfuric acid storage device running cost is low, easy operation.
According to the utility model discloses concentrated sulfuric acid storage device includes: the tank body is used for containing concentrated sulfuric acid, and a communication opening is formed in the top wall of the tank body; one end of the first acid inlet pipe extends into concentrated sulfuric acid in the tank body, and the other end of the first acid inlet pipe extends out of the tank body; one end of the second acid inlet pipe is communicated with the first acid inlet pipe; the dryer is positioned outside the tank body, a packing layer and a spray pipe positioned above the packing layer are arranged in the dryer, the other end of the second acid inlet pipe is communicated with the spray pipe in the dryer, the top wall of the dryer is provided with an air inlet, the outer peripheral wall of the dryer is provided with an air inlet, a liquid outlet and an air outlet, the air inlet is positioned above the packing layer, the air outlet is positioned below the packing layer, and the liquid outlet is positioned below the air outlet; one end of the third pipe is communicated with the liquid outlet, and the other end of the third pipe extends into concentrated sulfuric acid in the tank body; and one end of the fourth pipe is communicated with the exhaust port, and the other end of the fourth pipe is communicated with the communication port.
According to the utility model discloses concentrated sulfuric acid storage device, through setting up the desicator that has the air inlet outside jar body, gas vent and leakage fluid dram, and introduce the concentrated sulfuric acid of concentrated sulfuric acid apparatus for producing input in the desicator with the air to in the desicator dewater, concentrated sulfuric acid after the water absorption and the air after the dehydration flow into jar body through leakage fluid dram and gas vent respectively in, can regard concentrated sulfuric acid as the drier, when guaranteeing the aridity of the internal supplementary air of jar, do not need additionally to consume other drying medium, the running cost is reduced, and after the installation is accomplished, need not frequent operation, the whole easy operation.
In some embodiments, the shower has a plurality of shower heads, which are arranged uniformly over the spray cross-section.
In some embodiments, the other end of the third tube is adjacent to the bottom of the tank.
In some embodiments, one end of the first acid inlet pipe is adjacent to the bottom of the tank body.
In some embodiments, the concentrated sulfuric acid storage device further comprises a breather valve, wherein the top wall of the tank body is provided with a vent, and the breather valve is installed at the vent to allow air in the tank body to be discharged out through the vent or allow external air to enter the tank body through the vent.
In some embodiments, the set point for the inspiratory pressure of the breather valve is greater than the resistance of the air in the dryer to passing through the filler layer and less than the design negative pressure of the canister, and the set point for the expiratory pressure of the breather valve is less than the resistance of the air in the dryer to passing through the filler layer and less than the design positive pressure of the canister.
In some embodiments, the concentrated sulfuric acid storage device further comprises an overflow pipe, an overflow port is formed in a side wall of the tank body, one end of the overflow pipe penetrates through the overflow port and extends into the concentrated sulfuric acid in the tank body, and the other end of the overflow pipe extends out of the tank body.
In some embodiments, the concentrated sulfuric acid storage device further comprises a vent pipe, the vent pipe is communicated with the overflow pipe, and the connection position of the vent pipe and the overflow pipe is located at the highest position of the overflow pipe.
Drawings
Fig. 1 is a schematic structural diagram of a concentrated sulfuric acid storage device according to an embodiment of the present invention.
Reference numerals:
concentrated sulfuric acid storage device 100, jar body 1, desicator 2, fourth pipe 3, breather valve 4, packing layer 5, shower 6, first acid inlet pipe 7, third pipe 8, intake pipe 9, second acid inlet pipe 10, overflow pipe 11, breather pipe 12, air inlet 13, leakage fluid dram 14, gas vent 15, shower nozzle 16, blow vent 17, overflow mouth 18.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1, a concentrated sulfuric acid storage apparatus 100 according to an embodiment of the present invention includes a tank 1, a first acid inlet pipe 7, a second acid inlet pipe 10, a dryer 2, a third pipe 8, and a fourth pipe 3.
Jar body 1 is used for holding concentrated sulfuric acid, and has the intercommunication mouth on jar body 1's the roof. One end of the first acid inlet pipe 7 extends into the concentrated sulfuric acid in the tank body 1, and the other end of the first acid inlet pipe 7 extends out of the tank body 1 and is communicated with a concentrated sulfuric acid production device (not shown). One end of a second acid inlet pipe 10 is communicated with the first acid inlet pipe 7, the dryer 2 is positioned outside the tank body 1, a packing layer 5 and a spray pipe 6 positioned above the packing layer 5 are arranged in the dryer 2, and the other end of the second acid inlet pipe 10 is communicated with the spray pipe 6 in the dryer 2. The outer peripheral wall of the dryer 2 has an air inlet 13, a liquid discharge port 14, and an air discharge port 15, the air inlet 13 being located above the packing layer 5, the air discharge port 15 being located below the packing layer, and the liquid discharge port 14 being located below the air discharge port 15.
Specifically, the top wall of the dryer 2 has an air inlet 13, and the air inlet 13 communicates with the outside air through an air intake duct 9. It is understood that the concentrated sulfuric acid produced by the concentrated sulfuric acid production apparatus flows into the tank 1 through the first acid inlet pipe 7, while a portion of the concentrated sulfuric acid in the first acid inlet pipe 7 flows into the drier 2 through the second acid inlet pipe 10 to be used as a drying agent.
Specifically, the concentrated sulfuric acid in the second acid inlet pipe 10 can flow into the spray pipe 6 and be uniformly sprayed on the packing layer 5 in the dryer 2 through the spray head of the spray pipe 6, so that the air in the dryer 2 is fully contacted with the concentrated sulfuric acid, and the dehydration effect is improved.
As shown in fig. 1, an air accommodating space is provided between the liquid level of concentrated sulfuric acid and the top wall of the tank body 1, the dryer 2 is located outside the tank body 1, and the dryer 2 is higher than the liquid level of concentrated sulfuric acid in the tank body 1, when the liquid level of concentrated sulfuric acid in the tank body 1 drops or the volume of the concentrated sulfuric acid in the air accommodating space is reduced due to air cooling, external air can flow into the dryer 2 through the air inlet pipe 9, after the concentrated sulfuric acid in the second acid inlet pipe 10 enters the dryer 2, the concentrated sulfuric acid flows with air in parallel and passes through the packing layer 5, the concentrated sulfuric acid dehydrates the air, the concentrated sulfuric acid after absorbing water converges to the bottom of the dryer 2, and the dehydrated air is filled in the space below the packing layer 5.
The bottom wall of the dryer 2 is provided with a liquid discharge port 14, the side wall of the dryer 2 is provided with an air exhaust port 15, the air exhaust port 15 is positioned below the packing layer 5, one end of the third pipe 8 is communicated with the liquid discharge port 14, the other end of the third pipe 8 extends into concentrated sulfuric acid in the tank body 1, one end of the fourth pipe 3 is communicated with the air exhaust port 15, and the other end of the fourth pipe 3 is communicated with the communication port.
Specifically, the concentrated sulfuric acid after water absorption flows into the third pipe 8 through the liquid discharge port 14 and flows into the concentrated sulfuric acid in the tank body 1 through the third pipe 8, and the air after dehydration flows into the fourth pipe 3 through the air discharge port 15 and flows into the air accommodating space through the fourth pipe 3 to balance the pressure in the tank body 1.
It can be understood that, in the actual working process, when concentrated sulfuric acid storage device 100 is put into use, the liquid level of concentrated sulfuric acid descends, and the surface that the inner wall of the tank body 1 is located above the liquid level has some concentrated sulfuric acid to remain, and along with the decline of the concentrated sulfuric acid liquid level, the tank body 1 needs to be supplemented with air from the outside of the tank body 1, and the air is dehydrated by the concentrated sulfuric acid when passing through the dryer 2, so that the air that flows into the tank body 1 can not dilute the remaining concentrated sulfuric acid, thereby can avoid the corrosion of the inner wall of the tank body 1.
According to the utility model discloses concentrated sulfuric acid storage device, through setting up the desicator that has the air inlet outside jar body, gas vent and leakage fluid dram, and introduce concentrated sulfuric acid in the desicator with the air to in the desicator dewater, concentrated sulfuric acid after the water absorption and the air after the dehydration flow into jar body through leakage fluid dram and gas vent respectively in, can regard partial concentrated sulfuric acid that gets into jar body as the drier, when guaranteeing the aridity of the internal supplementary air of jar, do not need additionally to consume other drying medium, the running cost is reduced, and after the installation is accomplished, need not frequent operation, whole easy operation.
Further, as shown in fig. 1, the shower pipe 6 has a plurality of shower heads 16, and the plurality of shower heads 16 are uniformly arranged on the shower cross section. Therefore, the plurality of spray heads can improve the spraying uniformity and improve the dehydration efficiency.
In some embodiments, as shown in fig. 1, the other end of the third tube 8 is adjacent to the bottom of the tank 1. It can be understood that the concentration of the concentrated sulfuric acid after absorbing water will be reduced to a certain extent, and when the liquid level is reduced, the concentrated sulfuric acid after absorbing water can be mixed with the concentrated sulfuric acid in the tank body 1 in an area far away from the liquid level by making the other end of the third pipe 8 close to the bottom of the tank body 1, so as to avoid the concentrated sulfuric acid after absorbing water from directly entering the liquid level.
In some embodiments, as shown in fig. 1, one end of the first acid inlet pipe 7 is adjacent to the bottom of the tank 1 to avoid splashing.
In some embodiments, as shown in fig. 1, the concentrated sulfuric acid storage device 100 further comprises a vent breather valve 4, the top wall of the tank 1 has a vent, and the breather valve 4 is installed at the vent to allow air inside the tank 1 to be discharged through the vent, or air outside the tank 1 to enter the tank 1 through the vent.
Further, the set value of the inspiratory pressure of the breather valve 4 is greater than the resistance of the air in the dryer 2 passing through the packing layer 5 and is less than the designed negative pressure of the tank body 1, and the set value of the expiratory pressure of the breather valve 4 is less than the resistance of the air in the dryer 2 passing through the packing layer 5 and is less than the designed positive pressure of the tank body 1.
Specifically, when concentrated sulfuric acid is injected into the tank body 1 to cause the liquid level of concentrated sulfuric acid to rise or air in the air accommodating space to rise to cause volume expansion, because the expiratory pressure set value of the breather valve 4 is small, air in the air accommodating space is preferentially discharged out of the tank body 1 through the vent of the breather port to balance the pressure in the tank body 1, and avoid the exhalation of the gas through the dryer 2, acid mist is prevented from being brought out, and when the tank body 1 needs to be supplemented with air, because the inspiratory pressure set value of the breather valve 4 is large, external air preferentially enters the tank body 1 from the dryer 2, the external air is prevented from directly entering the vent, and the vent ensures the reliability of corrosion prevention of the tank body 1.
In addition, it should be noted that when the dryer 2 fails, the resistance of the packing layer 5 increases, and at this time, external air can enter the tank 1 through the breather valve 4, so as to ensure the safety of the tank 1.
In some implementations, the resistance of the air in the canister 1 to passing through the breather valve 4 is less than the resistance of the air in the dryer 2 to passing through the packing layer 5. From this, when the jar body need outwards exhaust, the air can be preferentially discharged through the breather valve to form the air lock when avoiding the air process desicator and cause the harm to the jar body, and have concentrated sulfuric acid in the desicator, if the air gets into the atmosphere through the desicator, probably take out acid mist, cause environmental pollution.
In some embodiments, as shown in fig. 1, the concentrated sulfuric acid storage apparatus 100 further includes an overflow pipe 11, the side wall of the tank 1 is provided with an overflow port 18, one end of the overflow pipe 11 passes through the overflow port 18 and extends into the concentrated sulfuric acid in the tank 1, and the other end of the overflow pipe 11 extends out of the tank 1. Therefore, when the volume of the concentrated sulfuric acid in the tank body exceeds the overflow volume, the concentrated sulfuric acid can flow out through the overflow pipe, so that the concentrated sulfuric acid is prevented from being sprayed out from other interfaces (such as air vents) of the tank body.
In addition, the one end of overflow pipe 11 stretches into in the concentrated sulfuric acid, can guarantee that overflow pipe 11 can not be with the space intercommunication of outside air and the concentrated sulfuric acid liquid level top in the jar body 1, avoids jar body 1 to inhale or exhale through overflow pipe 11.
In some embodiments, as shown in fig. 1, the concentrated sulfuric acid storage facility 100 further comprises a vent pipe 12, the vent pipe 12 is communicated with the overflow pipe 11, and the connection between the vent pipe 12 and the overflow pipe 11 is located at the highest position of the overflow pipe 11. In other words, the connection between the vent pipe 12 and the overflow pipe 11 is higher than the liquid level when the concentrated sulfuric acid overflows, so that the occurrence of the siphon phenomenon can be prevented.
A concentrated sulfuric acid storage apparatus 100 according to one specific example of the present invention is described below with reference to fig. 1.
As shown in fig. 1, the concentrated sulfuric acid storage device 100 includes a tank 1, a dryer 2, a first acid inlet pipe 7, a second acid inlet pipe 10, a third pipe 8, a fourth pipe 3, a breather valve 4, an overflow pipe 11, a vent pipe 12, a vent 17, a shower pipe 6, and an air inlet pipe 9.
The concentrated sulfuric acid has been held in the jar body 1, has the air accommodation space between the liquid level of concentrated sulfuric acid and the roof of the jar body 1, is equipped with the blow vent on the roof of the jar body 1, and blow vent breather valve 4 is established in blow vent department and is passed through the blow vent and discharge in the air accommodation space of permission.
Be equipped with overflow mouth 18 on the lateral wall of jar body 1, in overflow mouth 18 was passed and stretched into the concentrated sulfuric acid in jar body 1 to the one end of overflow pipe 11, breather pipe 12 was connected with overflow pipe 11 and the junction of breather pipe 12 and overflow pipe 11 was located the highest point of overflow pipe 11.
The desicator 2 is located jar body 1's the outside and is located jar body 1 liquid level top of concentrated sulfuric acid, desicator 2 is located to shower 6 and packing layer 5, packing layer 5 is located the below of shower 6, shower 6 includes a plurality of shower nozzles 16 that evenly arrange on the spray cross-section, the one end of first acid pipe 7 of advancing stretches into jar body 1 in the concentrated sulfuric acid, the other end and the concentrated sulfuric acid apparatus for producing of advancing acid pipe 7 of first acid pipe 7 communicate, the one end and the first acid pipe 7 intercommunication of advancing of acid pipe 10 are advanced to the second, the other end and the shower 6 intercommunication of acid pipe 10 are advanced to the second.
The roof of desicator 2 has air inlet 13, air inlet 13 and intake pipe 9 intercommunication, outside air can flow in desicator 2 through intake pipe 9, the diapire of desicator 2 is equipped with leakage fluid dram 14, the upper end and the leakage fluid dram 14 intercommunication of third pipe 8, the lower extreme of third pipe 8 stretches into in the concentrated sulfuric acid of jar body 1 and the bottom of neighbouring jar body 1, the lateral wall of desicator 2 is equipped with gas vent 15, gas vent 15 is located the below of packing layer 5, the upper end and the gas vent 15 intercommunication of fourth pipe 3, the lower extreme of fourth pipe 3 and the intercommunication mouth intercommunication of jar body 1.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (8)
1. A concentrated sulfuric acid storage device, comprising:
the tank body is used for containing concentrated sulfuric acid, and a communication opening is formed in the top wall of the tank body;
one end of the first acid inlet pipe extends into the concentrated sulfuric acid in the tank body, and the other end of the first acid inlet pipe extends out of the tank body and is connected with a concentrated sulfuric acid production device;
one end of the second acid inlet pipe is communicated with the first acid inlet pipe;
the dryer is positioned outside the tank body, a packing layer and a spray pipe positioned above the packing layer are arranged in the dryer, the other end of the second acid inlet pipe is communicated with the spray pipe in the dryer, the peripheral wall of the dryer is provided with an air inlet, a liquid outlet and an air outlet, the air inlet is positioned above the packing layer, the air outlet is positioned below the packing layer, and the liquid outlet is positioned below the air outlet;
one end of the third pipe is communicated with the liquid outlet, and the other end of the third pipe extends into concentrated sulfuric acid in the tank body;
and one end of the fourth pipe is communicated with the exhaust port, and the other end of the fourth pipe is communicated with the communication port.
2. The concentrated sulfuric acid storage apparatus of claim 1, wherein the shower has a plurality of shower heads, and the plurality of shower heads are uniformly arranged on a shower cross section.
3. The concentrated sulfuric acid storage plant of claim 1 wherein the other end of the third pipe is adjacent the bottom of the tank.
4. The apparatus of claim 1, wherein an end of the first acid inlet pipe is adjacent to a bottom of the tank.
5. The concentrated sulfuric acid storage device of claim 1 further comprising a breather valve, the top wall of the tank body having a vent opening, the breather valve being mounted at the vent opening to allow air within the tank body to be discharged through the vent opening or to allow outside air to enter the tank body through the vent opening.
6. The concentrated sulfuric acid storage device of claim 5, wherein the set value of the inspiratory pressure of the breather valve is larger than the resistance of the air in the drier passing through the packing layer and smaller than the designed negative pressure of the tank body, and the set value of the expiratory pressure of the breather valve is smaller than the resistance of the air in the drier passing through the packing layer and smaller than the designed positive pressure of the tank body.
7. The concentrated sulfuric acid storage device according to any one of claims 1 to 6, further comprising an overflow pipe, wherein an overflow port is formed in a side wall of the tank body, one end of the overflow pipe extends into the concentrated sulfuric acid in the tank body through the overflow port, and the other end of the overflow pipe extends out of the tank body.
8. The concentrated sulfuric acid storage device of claim 7 further comprising a vent pipe, wherein the vent pipe is in communication with the overflow pipe, and a connection of the vent pipe and the overflow pipe is located at a highest position of the overflow pipe.
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| CN202120613128.0U CN215247127U (en) | 2021-03-25 | 2021-03-25 | Concentrated sulfuric acid storage device |
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| CN202120613128.0U CN215247127U (en) | 2021-03-25 | 2021-03-25 | Concentrated sulfuric acid storage device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113104415A (en) * | 2021-03-25 | 2021-07-13 | 中国恩菲工程技术有限公司 | Concentrated sulfuric acid storage device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113104415A (en) * | 2021-03-25 | 2021-07-13 | 中国恩菲工程技术有限公司 | Concentrated sulfuric acid storage device |
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