Nitrogen sealing device for ultrapure water

Abstract

The utility model relates to the technical field of nitrogen storage devices, and discloses an ultrapure water nitrogen sealing device which comprises a first barrel body, a second barrel body located above the top of the first barrel body and a balance pipe located on the outer side of the first barrel body and the outer side of the second barrel body, and the first barrel body comprises a lower cavity butt-joint pipe arranged in the middle of the outer side of the first barrel body; the mounting seats are arranged at the bottoms of the barrel body I and the barrel body II, and mounting flanges are arranged at the tops of the barrel body I and the barrel body II. Nitrogen can be conveyed into the second barrel body through the nitrogen inlet and outlet pipe, the upper cavity opposite-hole pipe is submerged under the water surface, the lower cavity opposite-hole pipe is not submerged, and no back pressure exists, so that sealing water in the lower cavity opposite-hole pipe moves upwards through the balance pipe under the atmospheric pressure, and when the nitrogen flowing in the box body makes contact with water sealing liquid, the sealing water in the lower cavity opposite-hole pipe does not flow out of the balance pipe. When the nitrogen is stored in the box body, the nitrogen is subjected to resistance of water to form a gas film, the gas film can effectively isolate air in the box body from being in contact with the outside, closed storage of the nitrogen is achieved, and the storage effect on the nitrogen is better.

Description

Technical Field

[0001] The utility model relates to the technical field of nitrogen storage devices, in particular to a nitrogen sealing device for ultrapure water. Background Art

[0002] Nitrogen is colorless, tasteless and odorless. It is a chemically inert gas that is not prone to chemical reactions. It does not support combustion and is slightly soluble in water and ethanol. In nitrogen storage technology, nitrogen needs to be stored in a nitrogen sealing device with ultrapure water.

[0003] At present, most nitrogen storage devices directly inject nitrogen into nitrogen storage tanks for storage, which is not convenient for rapid storage and use of nitrogen, and the storage effect of nitrogen is poor. Nitrogen cannot be effectively stored, resulting in poor use effect of the device. Summary of the invention

[0004] The utility model aims to provide a nitrogen sealing device for ultrapure water to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a nitrogen sealing device for ultrapure water, comprising a barrel body 1, a barrel body 2 located above the top of the barrel body 1, and a balance pipe located outside the barrel body 1 and the barrel body 2, wherein the barrel body 1 comprises:

[0006] A lower cavity air pipe is arranged at a middle position of an outer side of the barrel body;

[0007] A mounting seat is arranged at the bottom of barrel body one and barrel body two, and a mounting flange is arranged at the top of barrel body one and barrel body two.

[0008] Preferably, an upper cavity air pipe is provided at the bottom end of the outer side of the second barrel body, a connecting pipe penetrating into the interior of the first barrel body is provided at the bottom of the second barrel body, a plurality of through holes are provided at the bottom end of the outer side of the connecting pipe, a fixing seat is provided above the top of the second barrel body, a nitrogen inlet and outlet pipe is provided at the middle position of the top of the fixing seat, a water injection pipe is provided on the outer side of the top of the fixing seat, and an air outlet pipe is provided at the top end of the outer side of the second barrel body.

[0009] Preferably, connecting pipes are provided on the outer side of the balance pipe at the positions of the upper cavity facing the empty pipe and the lower cavity facing the empty pipe.

[0010] Preferably, a sealing ring is provided between a group of the mounting seats and a group of the mounting flanges, and a group of the mounting seats are detachably connected to a group of the mounting flanges via fixing bolts and nuts.

[0011] Preferably, the barrel body 1 is detachably connected to the barrel body 2 via a set of mounting seats and mounting flanges, and a sealing gasket is provided on the top of the barrel body 2.

[0012] Preferably, the fixing seat is detachably connected to another set of mounting flanges via fixing bolts and nuts, and the nitrogen inlet and outlet pipe is detachably connected to the top end of the second barrel body via the fixing seat and another set of mounting flanges.

[0013] Preferably, a mounting head is provided at the top end of the water injection pipe, and the bottom end of the water injection pipe penetrates to the bottom of the fixing seat.

[0014] Preferably, a second mounting head is provided at one end of the air outlet pipe away from the second barrel body, and the other end of the air outlet pipe away from the second mounting head penetrates into the interior of the second barrel body.

[0015] Preferably, a connecting flange is provided at the top end of the nitrogen inlet and outlet pipe, and the bottom end of the nitrogen inlet and outlet pipe penetrates to the bottom of the fixing seat.

[0016] Preferably, the balance pipe is connected to one end of the upper cavity air pipe and the lower cavity air pipe respectively through two groups of connecting pipes, and an exhaust port is provided at the top end of the balance pipe.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model can transport nitrogen to the interior of the barrel body 2 through the nitrogen inlet and outlet pipe. Since the upper chamber pair of orifice pipes is submerged under the water surface, while the lower chamber pair of orifice pipes is not submerged and has no back pressure, the atmospheric pressure will cause the sealing water of the lower chamber pair of orifice pipes to move upward through the balance pipe. When the nitrogen flowing in the box body contacts the water sealing liquid, the nitrogen will be subject to the resistance of the water to form a gas film. The gas film can effectively isolate the air in the box body from the outside world, thereby realizing the closed storage of nitrogen. The nitrogen in the pure water nitrogen sealing water tank can be stored for a long time for subsequent use, and the storage effect of nitrogen is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0020] Figure 1 It is the front view of the utility model.

[0021] Figure 2 It is a cross-sectional view of the utility model.

[0022] In the figure: 1. barrel body 1; 101. lower cavity air pipe; 102. mounting seat; 2. barrel body 2; 201. upper cavity air pipe; 202. connecting pipe; 203. through hole; 204. mounting flange; 205. fixing seat; 206. nitrogen inlet and outlet pipes; 207. water injection pipe; 208. air outlet pipe; 3. balance pipe; 301. connecting pipe. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-2The utility model provides an embodiment of a nitrogen sealing device for ultrapure water: an ultrapure water nitrogen sealing device, comprising a barrel body 1, a barrel body 2 located above the top of the barrel body 1, and a balance pipe 3 located outside the barrel body 1 and the barrel body 2, the barrel body 1 comprises: a lower cavity air pipe 101 arranged at the middle position outside the barrel body 1;A mounting seat 102 is arranged at the bottom of the barrel body 1 and the barrel body 2, and a mounting flange 204 is arranged at the top of the barrel body 1 and the barrel body 2, and the barrel body 1 and the barrel body 2 can be installed through the mounting seat 102 and the mounting flange 204, and an upper cavity air pipe 201 is arranged at the bottom end of the outer side of the barrel body 2, and a connecting pipe 202 that penetrates into the barrel body 1 is arranged at the bottom of the barrel body 2, and the barrel body 1 and the barrel body 2 can be connected through the connecting pipe 202, and a plurality of through holes 203 are arranged at the bottom end of the outer side of the connecting pipe 202, and a fixing seat 205 is arranged above the top of the barrel body 2, and a nitrogen inlet and outlet pipe 206 is arranged at the middle position of the top of the fixing seat 205, and the nitrogen inlet and outlet pipe 206 can be introduced into the fixing seat 205. The nitrogen gas is sent to the inside of the device, a water injection pipe 207 is arranged on the outside of the top of the fixing seat 205, and an air outlet pipe 208 is arranged on the top of the outside of the barrel body 2, so that the gas inside the device can be discharged to facilitate the storage of nitrogen. The outer side of the balance pipe 3 is located at the position of the upper cavity air pipe 201 and the lower cavity air pipe 101. The upper cavity air pipe 201 and the lower cavity air pipe 101 are connected through the balance pipe 3. A sealing ring is arranged between a group of mounting seats 102 and a group of mounting flanges 204. A group of mounting seats 102 is detachably connected to a group of mounting flanges 204 through fixing bolts and nuts, and a group of mounting seats 102 and a group of mounting flanges 204 can be fixedly installed. The barrel body 1 is connected to a group of The mounting seat 102 and the mounting flange 204 are detachably connected to the barrel body 2, so that the barrel body 2 is installed on the top of the barrel body 1. A sealing gasket is provided on the top of the barrel body 2. The fixed seat 205 is detachably connected to another set of mounting flanges 204 through fixing bolts and nuts, so that the fixed seat 205 and another set of mounting flanges 204 can be installed. The nitrogen inlet and outlet pipes 206 are detachably connected to the top of the barrel body 2 through the fixed seat 205 and another set of mounting flanges 204, so that the nitrogen inlet and outlet pipes 206 can be installed on the top of the barrel body 2. A mounting head 1 is provided on the top of the water injection pipe 207, and the bottom end of the water injection pipe 207 passes through the bottom of the fixed seat 205. Ultrapure water can be injected into the device through the water injection pipe 207, and the gas outlet The end of the tube 208 away from the barrel body 2 is provided with a mounting head 2, and the end of the gas outlet pipe 208 away from the mounting head 2 penetrates into the barrel body 2, and the gas inside the device is conveniently discharged through the gas outlet pipe 208. The top of the nitrogen inlet and outlet pipe 206 is provided with a connecting flange, and the nitrogen delivery pipe is connected to the nitrogen inlet and outlet pipe 206 through the connecting flange, which is convenient for storing and using nitrogen. The bottom end of the nitrogen inlet and outlet pipe 206 penetrates to the bottom of the fixing seat 205. The balance pipe 3 is respectively connected to one end of the upper cavity air pipe 201 and the lower cavity air pipe 101 through two groups of connecting pipes 301, and the top of the balance pipe 3 is provided with an exhaust port, and the upper cavity air pipe 201 and the lower cavity air pipe 101 can be connected through the balance pipe 3. ;

[0028] Working principle: Before use, the utility model can be installed on the top of barrel body 1 through a set of mounting seats 102 and a set of mounting flanges 204, and then the nitrogen inlet and outlet pipe 206 can be installed on the top of barrel body 2 through another set of mounting flanges 204 and a fixing seat 205. When in use, ultrapure water is first injected into the interior of barrel body 1 and barrel body 2 through the water injection pipe 207, and nitrogen can be transported to the interior of barrel body 2 through the nitrogen inlet and outlet pipe 206. When the pressure in the storage tank drops, the nitrogen in the nitrogen supply pipeline and the water seal tank flows to the storage tank. Since the upper cavity hole pipe 201 is submerged under the water surface, The lower chamber is not submerged in the orifice tube 101 and has no back pressure. Therefore, the atmospheric pressure will cause the sealing water of the lower chamber to move upward through the balance pipe 3 until the height of the water column is balanced with the atmospheric pressure. When the nitrogen flowing in the box contacts the water sealing liquid, the nitrogen will be resisted by the water to form a gas film. This gas film can effectively isolate the air in the box from the outside world and realize the closed storage of nitrogen. The nitrogen in the pure water nitrogen sealing water tank can be stored for a long time for subsequent use. When nitrogen needs to be supplied, just open the gas supply valve and the nitrogen can be transmitted to the required place through the pipeline.

[0029] The above is only an embodiment of the utility model, and the common sense such as the known specific structure and characteristics in the scheme is not described too much here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A nitrogen sealing device for ultrapure water, characterized in that: The invention comprises a barrel body 1 (1), a barrel body 2 (2) located above the top of the barrel body 1 (1), and a balance pipe (3) located outside the barrel body 1 (1) and the barrel body 2 (2), wherein the barrel body 1 (1) comprises: A lower cavity air pipe (101) disposed at a middle position on the outer side of the barrel body (1); A mounting seat (102) is arranged at the bottom of barrel body one (1) and barrel body two (2), and a mounting flange (204) is arranged at the top of barrel body one (1) and barrel body two (2).

2. The ultrapure water nitrogen sealing device according to claim 1, characterized in that: An upper cavity air pipe (201) is arranged at the bottom end of the outer side of the second barrel body (2), a connecting pipe (202) penetrating into the interior of the first barrel body (1) is arranged at the bottom of the second barrel body (2), a plurality of through holes (203) are arranged at the bottom end of the outer side of the connecting pipe (202), a fixing seat (205) is arranged above the top of the second barrel body (2), a nitrogen inlet and outlet pipe (206) is arranged at the middle position of the top of the fixing seat (205), a water injection pipe (207) is arranged on the outer side of the top of the fixing seat (205), and an air outlet pipe (208) is arranged at the top end of the outer side of the second barrel body (2).

3. The ultrapure water nitrogen sealing device according to claim 1, characterized in that: Connecting pipes (301) are provided on the outer side of the balance pipe (3) at the positions of the upper cavity air pipe (201) and the lower cavity air pipe (101).

4. The ultrapure water nitrogen sealing device according to claim 1, characterized in that: A sealing ring is provided between a group of the mounting seats (102) and a group of the mounting flanges (204); and a group of the mounting seats (102) is detachably connected to a group of the mounting flanges (204) via fixing bolts and nuts.

5. The ultrapure water nitrogen sealing device according to claim 1, characterized in that: The barrel body one (1) is detachably connected to the barrel body two (2) via a set of mounting seats (102) and mounting flanges (204), and a sealing gasket is provided on the top of the barrel body two (2).

6. The ultrapure water nitrogen sealing device according to claim 2, characterized in that: The fixing seat (205) is detachably connected to another set of mounting flanges (204) via fixing bolts and nuts, and the nitrogen inlet and outlet pipe (206) is detachably connected to the top of the second barrel body (2) via the fixing seat (205) and another set of mounting flanges (204).

7. The ultrapure water nitrogen sealing device according to claim 2, characterized in that: The top end of the water injection pipe (207) is provided with a mounting head, and the bottom end of the water injection pipe (207) penetrates to the bottom of the fixing seat (205).

8. The ultrapure water nitrogen sealing device according to claim 2, characterized in that: A second mounting head is provided at one end of the air outlet pipe (208) away from the second barrel body (2), and the end of the air outlet pipe (208) away from the second mounting head penetrates into the interior of the second barrel body (2).

9. The ultrapure water nitrogen sealing device according to claim 2, characterized in that: A connecting flange is provided at the top end of the nitrogen inlet and outlet pipe (206), and the bottom end of the nitrogen inlet and outlet pipe (206) penetrates to the bottom of the fixing seat (205).

10. The ultrapure water nitrogen sealing device according to claim 3, characterized in that: The balance pipe (3) is respectively connected to one end of the upper cavity air pipe (201) and one end of the lower cavity air pipe (101) through two sets of connecting pipes (301), and an exhaust port is provided at the top end of the balance pipe (3).

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