Sodium hydroxide storage tank

Abstract

The utility model relates to the technical field of sodium hydroxide storage, and discloses a sodium hydroxide storage tank which comprises an outer tank, supports are fixedly installed on the two sides of the interior of the outer tank, inner tanks are fixedly installed on the inner walls of the supports on the two sides, and moisture-proof mechanisms are installed on the two sides of the outer tank. According to the technical scheme, after the humidity sensor mounted on the outer wall of the inner tank detects that the humidity of the cavity between the inner tank and the outer tank reaches a set value, a signal is transmitted to the control processor, and the heating wire, the negative pressure pump and the fan are sequentially turned on; the heated dry gas is conveyed to the cavity between the inner tank and the outer tank through the negative pressure pipe and the drying pipe continuously, and is matched with the exhaust pipe communicated with the exhaust end of the fan, so that humid air in the cavity between the inner tank and the outer tank can be exhausted, and the cavity between the inner tank and the outer tank can be always in a dry state; and moist air is prevented from permeating into the inner tank from gaps of the side wall of the sealing cover, and the sealing cover is practical and suitable for being widely popularized and used.

Description

TECHNICAL FIELD

[0001] The utility model relates to sodium hydroxide storage technical field, specifically is a sodium hydroxide storage tank. BACKGROUND

[0002] At present, sodium hydroxide is usually called caustic soda, or called fire alkali, caustic soda, because the relatively concentrated sodium hydroxide solution splashes on the skin, can corrode the epidermis, cause burn, it has the dissolution effect to protein, has strong irritability and corrosiveness.

[0003] Among them, the sodium hydroxide in the sodium hydroxide storage tank is usually white translucent crystalline solid, but it can also be white powder or granular under different conditions, sodium hydroxide has strong water absorption, and is easy to deliquesce, so special attention should be paid to moisture-proof when storing.

[0004] And the conventional sodium hydroxide storage tank on the market, although it has good sealing property, but with long time storage and the jolt in the transportation process, the sealing cover is easy to loosen, so that the external humid air penetrates into the inside of the storage tank, causing the deliquescence of sodium hydroxide, therefore, we propose a kind of sodium hydroxide storage tank, which can avoid the deliquescence of sodium hydroxide in the inside of the storage tank. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of sodium hydroxide storage tank, solve the problem raised in background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of sodium hydroxide storage tank, including outer tank, the both sides of the inside of outer tank are fixedly installed with support, the inner wall of the both sides of support is fixedly installed with inner tank, the both sides of outer tank are installed with moisture-proof mechanism;

[0007] The moisture-proof mechanism includes the shell fixedly installed in the middle of the outer wall of the outer tank, the negative pressure pump fixedly installed in the inside of the shell, the negative pressure pipe communicated and installed in the negative pressure end of the negative pressure pump, the drying box communicated and installed in the other end of the negative pressure pipe, the tee joint communicated and installed in the outlet port of the negative pressure pump, the drying pipe communicated and installed in the two groups of branch interfaces of the tee joint, the fan fixedly installed in the middle of the other side of the inner cavity of the outer tank and the exhaust pipe communicated and installed in the outlet port of the fan, the humidity sensor is fixedly installed in the one end of the side wall of the inner tank.

[0008] Optionally, the heating wire is fixedly installed in the inside of the drying box, the two groups of drying pipes are distributed in the both sides of the one end of inner tank, the exhaust pipe penetrates the middle of the one side of outer tank, the one-way valve is installed on the exhaust pipe, the storage battery is fixedly installed in the inside of the shell.

[0009] Optionally, a plurality of groups of equidistantly distributed through-slots are formed in the middle of the two groups of supports, and the cavities between the outer tank and the inner tank are in communication with each other.

[0010] By adopting the above technical scheme, the cavities between the outer tank and the inner tank are in communication with each other.

[0011] Optionally, a first filling port and a second filling port are respectively formed in the middle of the outer tank and the inner tank, threaded covers are respectively installed in the first filling port and the second filling port, sealing gaskets are fixedly installed on the side walls of the two groups of covers, and the sealing gaskets are respectively attached to the outer walls of the outer tank and the inner tank.

[0012] By adopting the above technical scheme, the first filling port and the second filling port can be closed.

[0013] Optionally, air bags are fixedly installed on the outer sides of the bottoms of the two groups of covers, and inflation nozzles are installed in the air bags through conduits, and the inflation nozzles are respectively distributed on the tops of the two groups of covers.

[0014] By adopting the above technical scheme, the sealing performance of the covers is further improved.

[0015] Optionally, a heat insulation plate is fixedly installed between the negative pressure pump and the drying box, a through-slot is formed at one end of the drying box, and a filter screen is fixedly installed on the outer side of the through-slot.

[0016] By adopting the above technical scheme, foreign matters in the outside are prevented from being introduced into the inside of the drying box.

[0017] Compared with the prior art, the technical scheme of the present application has the following advantages:

[0018] When the humidity sensor installed on the outer wall of the inner tank detects that the humidity in the cavity between the inner tank and the outer tank reaches a set value, the signal is transmitted to the control processor, the heating wire, the negative pressure pump and the fan are opened in sequence, the heated dry gas is continuously conveyed to the cavity between the inner tank and the outer tank through the negative pressure pipe and the drying pipe, and the humid air in the cavity between the inner tank and the outer tank is discharged through the exhaust pipe connected to the exhaust end of the fan, so that the cavity between the inner tank and the outer tank is always in a dry state, and the humid air is prevented from penetrating into the inner tank through the gap in the side wall of the cover.

[0019] The two groups of air bags are fixedly installed on the outer side of the bottom of the cover, and the two groups of air bags are connected by a conduit and are provided with an inflation nozzle, when the operator completes the storage of sodium hydroxide in the inner tank, the two groups of covers can be screwed into the first filling port and the second filling port respectively, and the operator inserts the air pump into the inflation nozzle on the cover before closing the first filling port, inflates the cover installed in the second filling port, so that the air bag at the bottom of the cover continuously expands and is attached to the inner wall of the inner tank, further increases the sealing performance of the first filling port and the second filling port, and avoids the continuous infiltration of external humid air into the inner cavity of the outer tank and the inner tank. BRIEF DESCRIPTION OF DRAWINGS

[0020] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, read in conjunction with the accompanying drawings:

[0021] Fig. 1 It is a whole structure schematic diagram of the sodium hydroxide storage tank of the present application;

[0022] Fig. 2 It is a local enlarged schematic diagram of A of the sodium hydroxide storage tank of the present application;

[0023] Fig. 3 It is a cover structure schematic diagram of the sodium hydroxide storage tank of the present application.

[0024] In the figure: 1, outer tank; 11, support; 12, inner tank; 13, through groove; 14, first filling port; 15, second filling port; 2, shell; 21, negative pressure pump; 22, negative pressure pipe; 23, drying box; 24, three-way joint; 25, drying pipe; 26, fan; 27, exhaust pipe; 3, cover; 31, sealing gasket; 32, air bag; 33, inflation nozzle; 34, heat insulation plate; 35, filter screen. DETAILED DESCRIPTION

[0025] Please refer to Figs. 1-3 The present application provides a technical scheme: a sodium hydroxide storage tank, comprising an outer tank 1, the inner tank 1 is fixedly installed with supports 11 on both sides, the inner wall of the two supports 11 is fixedly installed with an inner tank 12, and the outer tank 1 is provided with a moisture-proof mechanism on both sides;

[0026] The moisture-proof mechanism comprises an outer shell 2 fixedly installed in the middle of one side of the outer wall of the outer tank 1, a negative pressure pump 21 fixedly installed in one side of the inner part of the outer shell 2, a negative pressure pipe 22 communicatedly installed at the negative pressure end of the negative pressure pump 21, a drying box 23 communicatedly installed at the other end of the negative pressure pipe 22, a tee joint 24 communicatedly installed at the outlet port of the negative pressure pump 21, two drying pipes 25 communicatedly installed at the two branch interfaces of the tee joint 24, a fan 26 fixedly installed in the middle of the other side of the inner cavity of the outer tank 1, and an exhaust pipe 27 communicatedly installed at the outlet port of the fan 26. A humidity sensor is fixedly installed at one end of the side wall of the inner tank 12. Heating wires are fixedly installed in the inner part of the drying box 23. The two drying pipes 25 are distributed on the two sides of one end of the inner tank 12. The exhaust pipe 27 penetrates through the middle of one side of the outer tank 1. A one-way valve is installed on the exhaust pipe 27. A storage battery is fixedly installed in one side of the inner part of the outer shell 2.

[0027] When the humidity sensor fixedly installed on the outer wall of the inner tank 12 detects that the humidity of the cavity between the inner tank 12 and the outer tank 1 reaches the set value, a signal will be transmitted to the control processor, and the heating wires, the negative pressure pump 21 and the fan 26 will be opened in turn, so that the heated dry gas is continuously conveyed to the cavity between the inner tank 12 and the outer tank 1 through the negative pressure pipe 22 and the drying pipe 25, and the humid air in the cavity between the inner tank 12 and the outer tank 1 can be discharged through the exhaust pipe 27 communicatedly installed at the exhaust end of the fan 26, so that the cavity between the inner tank 12 and the outer tank 1 can always be in a dry state, and the humid air can be prevented from penetrating into the inner tank 12 from the gap of the side wall of the cover 3.

[0028] In this technical scheme, the outer tank 1 and the inner tank 12 are respectively provided with a first filling port 14 and a second filling port 15. The first filling port 14 and the second filling port 15 are respectively provided with a cover 3 which is screwed. The side wall of the two covers 3 is fixedly installed with a sealing gasket 31. The two sealing gaskets 31 are respectively attached to the outer wall of the outer tank 1 and the inner tank 12, so as to close the first filling port 14 and the second filling port 15. The outer side of the bottom of the two covers 3 is fixedly installed with an air bag 32. The two air bags 32 are communicatedly installed with an air inlet 33 through a conduit. The two air inlets 33 are respectively distributed on the top of the two covers 3, so as to further increase the sealing property of the cover 3.

[0029] When the operator completes the storage of sodium hydroxide in the inner tank 12, the two covers 3 can be screwed into the first filling port 14 and the second filling port 15 respectively. Before the operator closes the first filling port 14, the operator holds the air pump and inserts it into the air inlet 33 of the cover 3, so as to inflate the cover 3 installed in the second filling port 15. The air bag 32 at the bottom of the cover 3 is continuously inflated and attached to the inner wall of the inner tank 12, so as to further increase the sealing property of the first filling port 14 and the second filling port 15, and prevent the humid air outside from continuously penetrating into the inner cavities of the outer tank 1 and the inner tank 12.

[0030] In the technical scheme, the heat insulation plate 34 is fixedly installed between the negative pressure pump 21 and the drying box 23, one end of the drying box 23 is provided with the through groove 13, and the filter screen 35 is fixedly installed outside the through groove 13, so that foreign matters are prevented from entering the inside of the drying box 23.

[0031] The heat insulation plate 34 fixedly installed between the negative pressure pump 21 and the drying box 23 can effectively block the heat of the drying box 23 from being transmitted to the negative pressure pump 21 and the storage battery, and the through groove 13 fixedly installed on one side of the drying box 23 can effectively block foreign matters from entering the inside of the drying box 23.

[0032] In the technical scheme, the plurality of groups of equidistantly distributed through grooves 13 are arranged in the middle portions of the two groups of supports 11, and the cavities between the outer tank 1 and the inner tank 12 are communicated with each other.

[0033] The supports 11 are fixedly installed on both sides of the outer tank 1 and the inner tank 12, and the plurality of groups of equidistantly distributed through grooves 13 are arranged in the middle portions of the two groups of supports 11, so that the cavities between the outer tank 1 and the inner tank 12 are effectively communicated with each other, and air flow is facilitated.

[0034] In use, a large amount of sodium hydroxide particles is continuously poured into the inside of the inner tank 12 after the covers 3 at the top of the outer tank 1 and the inner tank 12 are opened, and the sodium hydroxide is stored, the outer tank 1 is installed outside the inner tank 12, the sodium hydroxide in the inside of the inner tank 12 is further protected, and when the humidity sensor installed on the outer wall of the inner tank 12 detects that the humidity in the cavity between the inner tank 12 and the outer tank 1 reaches a set value, a signal is transmitted to the control processor, the heating wire, the negative pressure pump 21 and the fan 26 are sequentially opened, the heated dry gas is continuously conveyed to the cavity between the inner tank 12 and the outer tank 1 through the negative pressure pipe 22 and the drying pipe 25, the humid air in the cavity between the inner tank 12 and the outer tank 1 is discharged through the exhaust pipe 27 communicated and installed at the exhaust end of the fan 26, the cavity between the inner tank 12 and the outer tank 1 is kept in a dry state at all times, the humid air is prevented from penetrating into the inner tank 12 from the gap in the side wall of the cover 3, the air bags 32 are fixedly installed outside the bottoms of the two groups of covers 3, the two groups of air bags 32 are communicated and installed with the inflation nozzles 33 through the conduits, and when the operator completes the storage of the sodium hydroxide in the inner tank 12, the two groups of covers 3 are respectively screwed into the first filling port 14 and the second filling port 15, the operator holds the air pump and plugs the inflation nozzle 33 in the cover 3 before closing the first filling port 14, the cover 3 installed in the second filling port 15 is inflated, the air bag 32 at the bottom of the cover 3 is continuously expanded and abuts against the inner wall of the inner tank 12, the sealing property of the first filling port 14 and the second filling port 15 is further increased, and the humid air is prevented from continuously penetrating into the inner cavities of the outer tank 1 and the inner tank 12.

Claims

1. A sodium hydroxide storage tank comprising an outer tank (1), characterized in that: Both sides of the outer tank (1) are fixedly installed with supports (11), the inner walls of the supports (11) are fixedly installed with inner tanks (12), and both sides of the outer tank (1) are installed with moisture-proof mechanisms. The moisture-proof mechanism comprises an outer shell (2) fixedly installed on the middle of one side of the outer wall of the outer tank (1), a negative pressure pump (21) fixedly installed on one side of the inner part of the outer shell (2), a negative pressure pipe (22) in communication with the negative pressure end of the negative pressure pump (21), a drying box (23) in communication with the other end of the negative pressure pipe (22), a three-way joint (24) in communication with the outlet port of the negative pressure pump (21), drying pipes (25) in communication with the two groups of branch interfaces of the three-way joint (24), a fan (26) fixedly installed on the other middle part of the inner cavity of the outer tank (1), and an exhaust pipe (27) in communication with the outlet port of the fan (26), one end of the side wall of the inner tank (12) is fixedly installed with a humidity sensor, the middle parts of the outer tank (1) and the inner tank (12) are respectively provided with a first filling port (14) and a second filling port (15), the first filling port (14) and the second filling port (15) are both screw-mounted with lids (3), the side walls of the two groups of lids (3) are both fixedly installed with sealing gaskets (31), the two groups of sealing gaskets (31) are respectively and mutually attached to the outer walls of the outer tank (1) and the inner tank (12), the bottom outer sides of the two groups of lids (3) are both fixedly installed with air bags (32), the two groups of air bags (32) are both in communication with inflation nozzles (33) through conduits, and the two groups of inflation nozzles (33) are respectively distributed on the top of the two groups of lids (3).

2. The sodium hydroxide storage tank of claim 1, wherein: The inner part of the drying box (23) is fixedly installed with heating wires, the two groups of drying pipes (25) are distributed on both sides of one end of the inner tank (12), the exhaust pipe (27) penetrates through the middle part of one side of the outer tank (1), the exhaust pipe (27) is installed with a one-way valve, and the inner part of the outer shell (2) is fixedly installed with a storage battery.

3. The sodium hydroxide storage tank of claim 1, wherein: The middle parts of the two groups of supports (11) are both provided with a plurality of equidistantly distributed through grooves (13), and the cavities between the outer tank (1) and the inner tank (12) are in communication with each other.

4. The sodium hydroxide storage tank of claim 1, wherein: The negative pressure pump (21) and the drying box (23) are fixedly installed with a heat insulation plate (34), one end of the drying box (23) is provided with a through groove (13), and the outer side of the through groove (13) is fixedly installed with a filter screen (35).

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