Anti-blocking device for water-sealed tank

Abstract

The utility model discloses an anti-blocking device for a water-sealed tank, which comprises a tank body, a sewage discharge outlet is arranged at the bottom of the tank body, and a cutting mechanism for applying shearing acting force to chemical raw materials during discharging is arranged in the sewage discharge outlet. The cutting mechanism comprises a fixed pipe fixedly installed on the inner side of the sewage outlet, a rotating pipe is arranged on the outer side of the fixed pipe, the outer wall of the rotating pipe is sleeved with a driving pipe, three supporting arms are arranged on the outer wall of the driving pipe, a connector is arranged on the inner wall of the driving pipe, and the connector is arranged in an inclined sliding groove formed in the outer wall of the rotating pipe in a sliding mode. A first cutting blade and a second cutting blade are arranged on the outer wall of the fixed pipe and the inner wall of the rotating pipe correspondingly. According to the anti-blocking device for the water-sealed tank provided by the utility model, residual polymers between the rotating pipe and the fixed pipe can be cleaned, reduced and discharged in cooperation with flushing, so that the problem of blockage of a sewage outlet of the water-sealed tank can be prevented, the frequency of shutdown maintenance can be reduced, and the service life of the water-sealed tank can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical equipment production, in particular to an anti-blocking device for a water seal tank. Background Art

[0002] In chemical engineering, water seal tanks refer to non-standard pipe fittings used to maintain pressure within the tank, acting similarly to safety valves. Water seal tanks are also used during the storage of acrylic esters to ensure stable pressure within the tank and improve production safety.

[0003] According to the invention patent application with publication number CN106468443A and publication date March 1, 2017, a waste gas water seal tank is disclosed. The tank comprises a cylindrical tank body, characterized by an elliptical head at the top, an air inlet pipe on the central sidewall, an exhaust port at the center of the elliptical head, a water inlet pipe on the lower side of the tank body, a porous sieve plate at the bottom of the tank body, the air inlet pipe communicating with the porous sieve plate at the bottom of the tank body, a U-shaped heat exchange tube above the porous sieve plate, and a liquid level regulator within the tank body. The main technical advantages of the tank body are its simple structure and its ability to effectively prevent flare gas crossflow and flashback.

[0004] During the use of the water seal tank, some chemical raw materials are prone to polymer blockage inside the water seal tank, which in turn causes blockage of the discharge pipe of the water seal tank. Therefore, a water seal tank anti-blocking device is proposed to solve the problem of easy blockage of the water seal tank discharge pipe in the existing technology. Utility Model Content

[0005] The utility model aims to provide a water seal tank anti-blocking device, aiming to solve the problem in the prior art that the discharge pipe of the water seal tank is easily blocked.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] A water seal tank anti-blocking device comprises a tank body, a sewage outlet is provided at the bottom of the tank body, and a cutting mechanism for applying a shearing force to chemical raw materials during discharge is provided in the sewage outlet;

[0008] The cutting mechanism includes a fixed tube fixedly installed on the inner side of the sewage outlet, a rotating tube is provided on the outer side of the fixed tube, a driving tube is sleeved on the outer wall of the rotating tube, three support arms are provided on the outer wall of the driving tube, a connecting head is provided on the inner wall of the driving tube, the connecting head is slidably set in an inclined groove opened on the outer wall of the rotating tube, and a first cutting leaf and a second cutting leaf are respectively provided on the outer wall of the fixed tube and the inner wall of the rotating tube.

[0009] Preferably, the first cutting blade and the second cutting blade are both spiral-shaped, and the spiral directions of the first cutting blade and the second cutting blade are opposite.

[0010] Preferably, a fixing frame is fixedly provided at the bottom of the tank body, a positioning plate is fixedly provided at the bottom of the fixing frame, a driving unit is mounted on the positioning plate, the driving unit is fixedly connected to one of the arms on the outer wall of the driving tube, and the other two arms on the outer wall of the driving tube are both mounted on the fixing frame.

[0011] Preferably, the driving unit adopts any one of an electric push rod, a hydraulic rod or a cylinder.

[0012] Preferably, a first groove is provided at the bottom of the sewage outlet, a second groove is provided on the positioning plate, and both ends of the rotating tube are rotatably disposed in the first groove and the second groove respectively.

[0013] Preferably, a connecting piece is fixedly provided on the top of the fixed pipe, the connecting piece is fixedly connected to the sewage outlet, and a passing groove is opened on the connecting piece.

[0014] In the above technical solution, the utility model provides a water seal tank anti-blocking device, which has the following beneficial effects:

[0015] The utility model provides a cutting mechanism and utilizes a driving unit to move the driving tube up and down, thereby causing the rotating tube to rotate. At this time, the second cutting blade provided on the inner wall of the rotating tube is in a rotating state relative to the first cutting blade provided on the fixed tube. Under the action of the shear force generated between the first cutting blade and the second cutting blade, the polymer remaining between the rotating tube and the fixed tube can be cleaned, the residual polymer can be reduced, and the polymer can be discharged in combination with flushing, thereby preventing the problem of blockage of the sewage outlet of the water seal tank, reducing the number of shutdowns and maintenance, and extending the service life of the water seal tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 A schematic diagram of the overall three-dimensional structure provided by an embodiment of the utility model;

[0018] Figure 2 A schematic diagram of the structure of a cutting mechanism according to an embodiment of the present invention;

[0019] Figure 3 A schematic diagram of the disassembly structure of the cutting mechanism provided in an embodiment of the utility model;

[0020] Figure 4 A schematic diagram of the connection structure of the cutting mechanism provided in an embodiment of the present utility model;

[0021] Figure 5 This is a schematic diagram of the cross-sectional assembly structure provided by an embodiment of the present utility model.

[0022] Description of reference numerals:

[0023] 1. Tank body; 11. First groove; 2. Sewage outlet; 3. Cutting mechanism; 31. Fixed tube; 311. First cutting blade; 312. Connecting piece; 32. Rotating tube; 321. Inclined slide; 322. Second cutting blade; 33. Driving tube; 331. Connecting head; 4. Fixed frame; 41. Positioning plate; 42. Positioning plate; 5. Driving unit. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0025] See also Figure 1 -5. A water seal tank anti-blocking device, which can clean the residual polymer between the rotating tube and the fixed tube, reduce the residual polymer, and discharge it by flushing, thereby preventing the problem of blockage of the water seal tank sewage outlet, reducing the number of shutdowns and maintenance, and extending the service life of the water seal tank. The device includes a tank body 1, a sewage outlet 2 is provided at the bottom of the tank body 1, and a cutting mechanism 3 is provided below the sewage outlet 2 for applying shear force to the chemical raw materials during discharge.

[0026] The tank body 1 is a conventional device in the prior art, and a sewage outlet 2 is provided at the bottom thereof for discharging waste. As an embodiment provided by the present invention, Figure 1 As shown, a cutting mechanism 3 is fixedly installed below the sewage outlet 2, as shown in FIG. Figure 2 and Figure 3 As shown, the cutting mechanism 3 includes a fixed tube 31 fixedly installed on the inner side of the sewage outlet 2, a rotating tube 32 is provided on the outer side of the fixed tube 31, a driving tube 33 is sleeved on the outer wall of the rotating tube 32, three support arms are provided on the outer wall of the driving tube 33, a connecting head 331 is provided on the inner wall of the driving tube 33, and the connecting head 331 is slidably set in an inclined groove 321 opened on the outer wall of the rotating tube 32, and a first cutting leaf 311 and a second cutting leaf 322 are respectively provided on the outer wall of the fixed tube 31 and the inner wall of the rotating tube 32. The cutting mechanism 3 is operated to clean the residual polymer between the rotating tube 32 and the fixed tube 31 to achieve the purpose of preventing blockage.

[0027] In order to allow the raw materials or waste to be discharged smoothly, a connecting piece 312 is fixed on the top of the fixed pipe 31. The connecting piece 312 is fixed to the sewage outlet 2. A through groove is opened on the connecting piece 312 for discharging the raw materials or waste through the sewage outlet 2.

[0028] In order to better clean the raw materials or waste materials, the first cutting blade 311 and the second cutting blade 322 are both spiral-shaped, and the spiral directions of the first cutting blade 311 and the second cutting blade 322 are opposite.

[0029] The first cutting blade 311 is spiral-shaped, and the number of the first cutting blades 311 is several. The several first cutting blades 311 are distributed in a circular array on the outer wall of the fixed tube 31, and a diversion channel is formed between every two adjacent first cutting blades 311. The diversion channel can enhance the guidance of sewage and prevent polymer residue.

[0030] The second cutting blades 322 are spiral-shaped, and there are multiple second cutting blades 322. The multiple second cutting blades 322 are distributed in a circular array on the inner wall of the rotating tube 32. A diversion channel is formed between every two adjacent second cutting blades 322. The diversion channel can enhance the guidance of sewage and prevent polymer residue.

[0031] As an embodiment provided by the present invention, Figure 1 and Figure 2 As shown, a fixing frame 4 is fixedly provided at the bottom of the tank body 1, and a positioning plate 41 is fixedly provided at the bottom of the fixing frame 4. A driving unit 5 is mounted on the positioning plate. The driving unit 5 is fixedly connected to one of the arms on the outer wall of the driving tube 33, and the other two arms on the outer wall of the driving tube 33 are sleeved on the fixing frame 4. Specifically, the driving unit 5 adopts any one of an electric push rod, a hydraulic rod or a cylinder, and can drive the driving tube 33 to reciprocate up and down through the driving unit 5.

[0032] As an embodiment provided by the present invention, Figure 3 and Figure 5 As shown, a first groove 11 is provided at the bottom of the sewage outlet 2, and a second groove 42 is provided on the positioning plate 41. The two ends of the rotating tube 32 are respectively rotatably arranged in the first groove 11 and the second groove 42. Since the two ends of the rotating tube 32 are respectively rotatably connected to the first groove 11 and the second groove 42, and the driving tube 33 is slidably connected to the inclined groove 321 through the internal connecting head 331, the driving tube 33 can drive the rotating tube 32 to maintain forward or reverse rotation while the driving tube 33 moves back and forth, thereby cleaning the polymer between the first cutting leaf 311 and the second cutting leaf 322 to prevent blockage.

[0033] The utility model utilizes the driving unit 5 to work and make the driving tube 33 reciprocate up and down when discharging raw materials or waste materials. Under the action of the connecting head 331, since the connecting head 331 can slide in the inclined groove 321 on the outer wall of the rotating tube 32, the rotating tube 32 can be driven to keep rotating in the forward or reverse direction. At this time, the second cutting leaf 322 provided on the inner wall of the rotating tube 32 is in a rotating state relative to the first cutting leaf 311 provided on the fixed tube 31. Under the action of the shear force generated between the first cutting leaf 311 and the second cutting leaf 322, the residual polymer between the rotating tube 32 and the fixed tube 31 can be cleaned.

[0034] Those skilled in the art will appreciate that other similar connection methods can also implement the present invention, such as welding, bonding, or screwing.

[0035] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A water seal tank anti-blocking device, comprising a tank body (1), wherein a sewage outlet (2) is provided at the bottom of the tank body (1), characterized in that: A cutting mechanism (3) is provided below the sewage discharge outlet (2) for applying shear force to the chemical raw materials during discharge; The cutting mechanism (3) comprises a fixed tube (31) fixedly mounted on the inner side of the sewage outlet (2); a rotating tube (32) is provided on the outer side of the fixed tube (31); a driving tube (33) is sleeved on the outer wall of the rotating tube (32); three supporting arms are provided on the outer wall of the driving tube (33); a connecting head (331) is provided on the inner wall of the driving tube (33); the connecting head (331) is slidably arranged in an inclined sliding groove (321) provided on the outer wall of the rotating tube (32); a first cutting leaf (311) and a second cutting leaf (322) are respectively provided on the outer wall of the fixed tube (31) and the inner wall of the rotating tube (32).

2. The anti-blocking device for water seal tank according to claim 1, characterized in that: The first cutting leaf (311) and the second cutting leaf (322) are both spiral-shaped, and the spiral directions of the first cutting leaf (311) and the second cutting leaf (322) are opposite.

3. The anti-blocking device for water seal tank according to claim 1, characterized in that: A fixing frame (4) is fixedly provided at the bottom of the tank body (1), a positioning plate (41) is fixedly provided at the bottom of the fixing frame (4), a driving unit (5) is mounted on the positioning plate, the driving unit (5) is fixedly connected to one of the supporting arms on the outer wall of the driving tube (33), and the other two supporting arms on the outer wall of the driving tube (33) are sleeved on the fixing frame (4).

4. The anti-blocking device for a water seal tank according to claim 3, characterized in that: The driving unit (5) adopts any one of an electric push rod, a hydraulic rod or a cylinder.

5. The anti-blocking device for water seal tank according to claim 1, characterized in that: The bottom of the sewage outlet (2) is provided with a first groove (11), the positioning plate (41) is provided with a second groove (42), and the two ends of the rotating tube (32) are respectively rotatably arranged in the first groove (11) and the second groove (42).

6. The anti-blocking device for a water seal tank according to claim 1, characterized in that: A connecting piece (312) is fixedly provided on the top of the fixed pipe (31), the connecting piece (312) is fixedly connected to the sewage outlet (2), and a through groove is provided on the connecting piece (312).

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