Leak-proof chemical storage tank

Abstract

The utility model discloses an anti-leakage chemical storage tank which comprises a storage tank body, an inlet valve sealing mechanism and an outlet valve sealing mechanism. A feeding pipe is arranged at a feeding hole in the upper end of the storage tank, and a discharging pipe is arranged at a discharging hole in the lower end of the storage tank; the inlet valve sealing mechanism comprises a sliding barrel, a connecting pipe and a sealing gasket, the sliding barrel is slidably connected to the outer portion of the upper side of the feeding pipe, threads of the inner wall of the sliding barrel are in threaded connection with threads of the outer wall of the connecting pipe, and the sealing gasket is arranged at the edge of the upper end of the feeding pipe; the inlet valve sealing mechanism is arranged at the front end of the discharging pipe, the outlet valve sealing mechanism is arranged at the front end of the discharging pipe, the inlet valve sealing mechanism further comprises a first valve, the outer portion of the connecting pipe is connected with the first valve in series, and the outlet valve sealing mechanism comprises a strip-shaped pipe. The situation that leakage occurs at the position, connected with an external connecting pipe, of an inlet and an outlet of the chemical storage tank is prevented, and meanwhile an internal sealing gasket is convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical processing, and particularly relates to a leak-proof chemical storage tank. Background Technique

[0002] Storage tanks are used to store chemically refined substances such as acids, alkalis, alcohols, gases, and liquids. Storage tanks are widely used in North China. Generally speaking, according to different materials, there are: polyethylene storage tanks, polypropylene storage tanks, fiberglass storage tanks, ceramic storage tanks, rubber storage tanks, stainless steel storage tanks, etc. In terms of the cost performance of storage tanks, the steel-lined polyethylene storage tank is the most superior at present. It has excellent corrosion resistance, high strength, long service life, etc. The appearance can be made into multiple varieties such as vertical, horizontal, transportation, and stirring;

[0003] The following problems exist in traditional chemical storage tanks. When using chemical storage tanks, leakage is likely to occur at the connection between the inlet and outlet of the chemical storage tank and the external connecting pipe. For this reason, we propose a leak-proof chemical storage tank. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a leak-proof chemical storage tank, which can prevent leakage at the connection between the inlet and outlet of the chemical storage tank and the external connecting pipe when using the chemical storage tank, and at the same time facilitate the replacement of the internal gasket, and can effectively solve the problems in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a leak-proof chemical storage tank, including a storage tank, an inlet valve sealing mechanism, and an outlet valve sealing mechanism;

[0006] Storage tank: A feed pipe is provided at the feed port at the upper end of the storage tank, and a discharge pipe is provided at the discharge port at the lower end of the storage tank;

[0007] Inlet valve sealing mechanism: It includes a sliding cylinder, a connecting pipe, and a gasket. The outer side of the upper part of the feed pipe is slidably connected with the sliding cylinder. The internal thread of the sliding cylinder is threadedly connected with the external thread of the connecting pipe. A gasket is provided at the upper edge of the feed pipe;

[0008] Outlet valve sealing mechanism: It is arranged at the front end of the discharge pipe. When using the chemical storage tank, it can prevent leakage at the connection between the inlet and outlet of the chemical storage tank and the external connecting pipe, and at the same time facilitate the replacement of the internal gasket.

[0009] Furthermore, the inlet valve sealing mechanism further includes a valve I. A valve I is connected in series outside the connecting pipe to facilitate feeding.

[0010] Furthermore, the outlet valve sealing mechanism includes a strip-shaped pipe, a trapezoidal groove, a second sealing gasket, and a trapezoidal pipe. A strip-shaped pipe is provided at the front end of the discharge pipe. A trapezoidal groove is formed inside the strip-shaped pipe. The inside of the trapezoidal groove is threadedly connected to the thread on the outside of the trapezoidal pipe through a threaded groove. A second sealing gasket is provided between the trapezoidal groove and the trapezoidal pipe. The trapezoidal groove and the trapezoidal pipe are fitted and installed to achieve sealing.

[0011] Furthermore, the outlet valve sealing mechanism further includes bolts. Threaded holes are respectively formed at the four corners of the front end of the strip-shaped pipe and the four corners of the front end of the trapezoidal pipe. Bolts are respectively threadedly connected inside the threaded holes between two adjacent threaded holes in the front and back to provide locking.

[0012] Furthermore, the outlet valve sealing mechanism further includes a second valve. The second valve is provided at the front end of the trapezoidal pipe to facilitate discharging of materials.

[0013] Furthermore, an outer shell is fixedly sleeved outside the storage tank to provide protection.

[0014] Furthermore, uniformly distributed legs are provided at the lower end of the outer surface of the outer shell to provide support.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: This anti-leakage chemical storage tank has the following advantages:

[0016] The sliding cylinder moves upward along the thread on the outside of the connecting pipe. The lower end of the connecting pipe is locked with the upper end of the feed pipe. Sealing is carried out through the sealing gasket to prevent leakage at the inlet, and to prevent leakage at the valve connection at the inlet. The trapezoidal pipe will move backward in the thread of the trapezoidal groove, so that the second sealing gasket between the trapezoidal pipe and the trapezoidal groove is tightened. Then, the threaded holes at the four corners of the front end of the strip-shaped pipe and the four corners of the front end of the trapezoidal pipe are fixed by bolts to prevent leakage at the valve connection at the outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is a sectional structural diagram of the present utility model;

[0019] Figure 3 is an enlarged structural diagram of part A of the present utility model;

[0020] Figure 4 is an enlarged structural diagram of part B of the present utility model.

[0021] In the figure: 1 storage tank, 2 legs, 3 outer shell, 4 feed pipe, 5 inlet valve sealing mechanism, 51 sliding cylinder, 52 connecting pipe, 53 gasket, 54 valve 1, 6 discharge pipe, 7 outlet valve sealing mechanism, 71 strip-shaped pipe, 72 trapezoidal groove, 73 gasket 2, 74 trapezoidal pipe, 75 bolt, 76 valve 2. Specific embodiments

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1-4 , this embodiment provides a technical solution: a leak-proof chemical storage tank, including a storage tank 1, an inlet valve sealing mechanism 5 and an outlet valve sealing mechanism 7;

[0024] Storage tank 1: A feed pipe 4 is provided at the feed port at the upper end thereof, a discharge pipe 6 is provided at the discharge port at the lower end of the storage tank 1, an outer shell 3 is fixedly sleeved outside the storage tank 1, and uniformly distributed legs 2 are provided at the lower end of the outer surface of the outer shell 3;

[0025] Inlet valve sealing mechanism 5: It includes a sliding cylinder 51, a connecting pipe 52 and a gasket 53. The outer side of the upper side of the feed pipe 4 is slidably connected with the sliding cylinder 51. The inner wall thread of the sliding cylinder 51 is threadedly connected with the outer wall thread of the connecting pipe 52. A gasket 53 is provided at the upper edge of the upper end of the feed pipe 4. The inlet valve sealing mechanism 5 further includes a valve 1 51. A valve 1 51 is connected in series outside the connecting pipe 52. When the chemical storage tank is in use, leakage may occur at the valve connection at the inlet and outlet of the chemical storage tank. To avoid leakage of the chemical storage tank, first place the gasket 53 at the upper end of the feed pipe 4, then align the lower end of the connecting pipe 52 with the upper end of the gasket 53 at the upper end of the feed pipe 4, and then rotate the sliding cylinder 51 to make the thread inside the sliding cylinder 51 move upward with the thread outside the connecting pipe 52, so that the lower end of the connecting pipe 52 is locked with the upper end of the feed pipe 4, and the gasket 53 is used for sealing to prevent leakage at the inlet. When it is necessary to inject chemical materials into the storage tank 1, just open the valve 1 51;

[0026] Outlet valve sealing mechanism 7: It is arranged at the front end of the discharge pipe 6. The outlet valve sealing mechanism 7 includes a strip-shaped pipe 71, a trapezoidal groove 72, a second sealing gasket 73, and a trapezoidal pipe 74. The front end of the discharge pipe 6 is provided with a strip-shaped pipe 71. A trapezoidal groove 72 is formed inside the strip-shaped pipe 71. The inside of the trapezoidal groove 72 is threadedly connected to the external thread of the trapezoidal pipe 74 through a thread groove. A second sealing gasket 73 is arranged between the trapezoidal groove 72 and the trapezoidal pipe 74. The trapezoidal groove 72 and the trapezoidal pipe 74 are fitted and installed. The outlet valve sealing mechanism 7 further includes bolts 75. Thread holes are respectively formed at the four corners of the front end of the strip-shaped pipe 71 and the four corners of the front end of the trapezoidal pipe 74. Bolts 75 are respectively threadedly connected between the internally adjacent two thread holes. The outlet valve sealing mechanism 7 further includes a second valve 76. The second valve 76 is arranged at the front end of the trapezoidal pipe 74. Then, to prevent leakage at the valve connection at the outlet, the rear end of the trapezoidal pipe 74 is aligned with the inside of the trapezoidal groove 72. Then, through the thread groove, the outer wall of the trapezoidal pipe 74 is threaded backward with the inner wall of the trapezoidal groove 72, so that the second sealing gasket 73 between the trapezoidal pipe 74 and the trapezoidal groove 72 is tightened. Then, the thread holes at the four corners of the front end of the strip-shaped pipe 71 and the four corners of the front end of the trapezoidal pipe 74 are fixed by bolts 75.

[0027] The working principle of a leakage-proof chemical storage tank provided by the present utility model is as follows: When the chemical storage tank is in use, leakage may occur at the valve connection at the inlet and outlet of the chemical storage tank. To avoid leakage of the chemical storage tank, first, place the upper end of the feed pipe 4 with the sealing gasket 53. Then, align the lower end of the connecting pipe 52 with the upper end of the sealing gasket 53 at the upper end of the feed pipe 4. Then, rotate the sliding cylinder 51 so that the thread inside the sliding cylinder 51 is threaded upward with the external thread of the connecting pipe 52, so that the lower end of the connecting pipe 52 is locked with the upper end of the feed pipe 4. Sealing is carried out through the sealing gasket 53 to prevent leakage at the inlet. When it is necessary to inject chemical materials into the storage tank 1, just open the first valve 51. Then, to prevent leakage at the valve connection at the outlet, the rear end of the trapezoidal pipe 74 is aligned with the inside of the trapezoidal groove 72. Then, through the thread groove, the outer wall of the trapezoidal pipe 74 is threaded backward with the inner wall of the trapezoidal groove 72, so that the second sealing gasket 73 between the trapezoidal pipe 74 and the trapezoidal groove 72 is tightened. Then, the thread holes at the four corners of the front end of the strip-shaped pipe 71 and the four corners of the front end of the trapezoidal pipe 74 are fixed by bolts 75.

[0028] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present utility model.

Claims

1. A leak-proof chemical storage tank, characterized in that: It includes a storage tank (1), an inlet valve sealing mechanism (5) and an outlet valve sealing mechanism (7); Storage tank (1): A feed pipe (4) is provided at the feed inlet at the upper end thereof, and a discharge pipe (6) is provided at the discharge outlet at the lower end of the storage tank (1); Inlet valve sealing mechanism (5): It includes a sliding cylinder (51), a connecting pipe (52) and a sealing gasket (53). The outer side of the upper part of the feed pipe (4) is slidably connected with the sliding cylinder (51). The inner wall thread of the sliding cylinder (51) is threadedly connected with the outer wall thread of the connecting pipe (52). A sealing gasket (53) is provided at the upper edge of the upper end of the feed pipe (4); Outlet valve sealing mechanism (7): It is arranged at the front end of the discharge pipe (6).

2. The leak-proof chemical storage tank according to claim 1, characterized in that: The inlet valve sealing mechanism (5) further includes a valve one (54), and the valve one (54) is connected in series outside the connecting pipe (52).

3. A chemical storage tank with anti-leakage according to claim 1, characterized in that: The outlet valve sealing mechanism (7) includes a strip-shaped pipe (71), a trapezoidal groove (72), a second sealing gasket (73) and a trapezoidal pipe (74). The strip-shaped pipe (71) is provided at the front end of the discharge pipe (6). A trapezoidal groove (72) is formed inside the strip-shaped pipe (71). The inner part of the trapezoidal groove (72) is threadedly connected with the outer thread of the trapezoidal pipe (74) through a thread groove. A second sealing gasket (73) is arranged between the trapezoidal groove (72) and the trapezoidal pipe (74), and the trapezoidal groove (72) and the trapezoidal pipe (74) are installed in cooperation; 4. The leak-proof chemical storage tank according to claim 3, characterized in that: The outlet valve sealing mechanism (7) further includes bolts (75). Threaded holes are respectively formed at the four corners of the front end of the strip-shaped pipe (71) and the four corners of the front end of the trapezoidal pipe (74), and the bolts (75) are respectively threadedly connected inside the inner part between two adjacent threaded holes in the front and back; 5. The leak-proof chemical storage tank according to claim 4, characterized in that: The outlet valve sealing mechanism (7) further includes a valve two (76), and the valve two (76) is arranged at the front end of the trapezoidal pipe (74); 6. The leak-proof chemical storage tank according to claim 1, wherein: An outer shell (3) is fixedly sleeved outside the storage tank (1); 7. The leak-proof chemical storage tank according to claim 6, characterized in that: Uniformly distributed legs (2) are provided at the lower end of the outer surface of the outer shell (3).

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