Safe breathing device of chemical raw material storage tank

Abstract

The utility model discloses a safety breathing device of a chemical raw material storage tank, which comprises a tank body, a mounting seat is connected onto the tank body, an air supply pipe is connected onto the mounting seat, a fixing seat is connected onto the inner wall of the air supply pipe, and an exhaust mechanism is connected between the fixing seat and a mounting plate. According to the safe breathing device of the chemical raw material storage tank, when the pressure in the tank body is smaller than the set pressure, the second telescopic spring pushes the clamping ring to move, then the positioning base is separated from the air inlet hole, air enters the device, the pressure in the tank body rises, and when the air enters the device, the pressure in the tank body rises; external air can be filtered through the dustproof net, dust and impurities are prevented from directly entering the tank body to affect the quality of the chemical storage tank, and meanwhile, the brush is driven by the driving motor to rotate, so that the filtering efficiency can be accelerated and improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical products, in particular to a safety breathing device for a chemical raw material storage tank. Background Art

[0002] Chemical storage tanks generally cannot be stored in a constant temperature room, and will expand and contract with climate change. When the temperature rises, the material in the tank expands to produce positive pressure. If it is not discharged in time, it is likely to cause the tank to burst; when the temperature drops, the material in the tank contracts to produce negative pressure. If it is not replenished with gas, it is likely to cause the tank to deflate. The process of gas discharge and replenishment is called the breathing of the tank.

[0003] A Chinese patent application with application number CN202120608503.2 discloses a breathing device for a large chemical storage tank, and its technical solution is: including a chemical storage tank, a breathing device and a guide tube, a sealing cover is installed on the top of the chemical storage tank by fixing bolts, and also includes the breathing device detachably installed on the top of the sealing cover, and a movable device clamped inside the breathing device. The beneficial effects of the utility model are: achieving automatic breathing and reducing losses, and achieving the effect of no need for manual care, reducing labor, and not causing the chemical storage tank to be damaged and leaking a large amount of gas due to excessive pressure, and the cost is low and the durability is high.

[0004] However, the existing breathing device still has some defects, and is unable to filter the air entering the tank body to prevent dust and impurities from directly entering the tank body and affecting the quality of the chemical storage tank. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the utility model provides a safety breathing device for chemical raw material storage tanks, which aims to solve the problem that the air entering the tank body cannot be filtered to prevent dust and impurities from directly entering the tank body and affecting the quality of the chemical storage tank.

[0006] In order to achieve the above-mentioned utility model object, the technical solution adopted by the utility model is as follows: a safety breathing device for a chemical raw material storage tank comprises a tank body, a mounting seat is connected to the tank body, an air supply pipe is connected to the mounting seat, a dustproof net is connected to the inside of the air supply pipe, a cleaning mechanism is connected to the dustproof net, a mounting plate is provided below the dustproof net, an air intake mechanism is connected to the mounting plate, a fixing seat is connected to the inner wall of the air supply pipe, and an exhaust mechanism is connected between the fixing seat and the mounting plate;

[0007] The exhaust mechanism includes a connecting shaft installed on a mounting plate, the bottom end of the connecting shaft is connected to a cover plate, a telescopic spring is connected between the cover plate and the mounting plate, the top end of the connecting shaft passes through the mounting plate and is connected to a limited seat, an air hole is provided on the mounting plate, and a protective net is connected below the fixed seat.

[0008] Furthermore, the air intake mechanism includes a pull rod connected to the middle of the mounting plate, the top end of the pull rod is connected to a pressure seat, the pull rod is connected to a clamping ring, two telescopic springs are connected between the clamping ring and the mounting plate, the bottom end of the pull rod is connected to a baffle, the upper surface of the baffle is connected to a positioning seat, a sealing gasket is provided on the positioning seat, the cover plate is provided with an air intake hole, and the air intake hole and the positioning seat are plugged into each other.

[0009] Furthermore, the cleaning mechanism includes a driving motor installed at the top of the air supply pipe, the output end of the driving motor is connected to a rotating shaft, the rotating shaft is connected to a brush, the brush slides on the upper surface of the dustproof net, and an exhaust pipe is provided on one side of the driving motor.

[0010] Furthermore, bolts are threadedly connected at both ends of the mounting seat, and an airtight gasket is connected between the mounting seat and the tank body.

[0011] Furthermore, a leak-proof rubber strip is provided on the upper surface of the fixing seat.

[0012] The beneficial effects of the utility model are:

[0013] The utility model relates to a safety breathing device for a chemical raw material storage tank. When the pressure inside the tank body is greater than the set pressure, the gas in the tank body will push the cover plate to discharge the pressure inside the tank body, and then discharge it through the air vent. At the same time, when the pressure inside the tank body is less than the set pressure, the telescopic spring 2 pushes the clamping ring to move, and then the positioning seat is separated from the air inlet hole, so that air enters the interior of the equipment and the pressure inside the tank body rises. When the air enters the interior of the equipment, the outside air can be filtered through the dustproof net to prevent dust and impurities from directly entering the tank body and affecting the quality of the chemical storage tank. At the same time, the brush is driven to rotate by the driving motor, which can speed up the filtering efficiency and improve the filtering efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional view of the safety breathing device of the chemical raw material storage tank of the utility model;

[0015] Figure 2 The utility model is a safety breathing device for a chemical raw material storage tank Figure 1 Enlarged view of point A in the middle.

[0016] Reference table of reference numerals:

[0017] 1. Tank body; 2. Mounting seat; 201. Bolt; 202. Airtight pad; 3. Air supply pipe; 4. Dustproof net; 5. Cleaning mechanism; 501. Drive motor; 502. Rotating shaft; 503. Brush; 504. Exhaust pipe; 6. Mounting plate; 7. Exhaust mechanism; 701. Connecting shaft; 702. Cover plate; 703. Telescopic spring 1; 704. Limiting seat; 705. Air vent; 706. Protective net; 8. Air intake mechanism; 801. Pull rod; 802. Pressure seat; 803. Telescopic spring 2; 804. Snap ring; 805. Baffle; 806. Positioning seat; 807. Sealing pad; 808. Air intake hole; 9. Fixed seat; 901. Leak-proof rubber strip. DETAILED DESCRIPTION

[0018] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings, wherein the same parts are represented by the same reference numerals.

[0019] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0020] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] like Figure 1 to Figure 2 As shown, the safety breathing device for the chemical raw material storage tank comprises a tank body 1, a mounting seat 2 is connected to the tank body 1, an air supply pipe 3 is connected to the mounting seat 2, a dustproof net 4 is connected to the inside of the air supply pipe 3, a cleaning mechanism 5 is connected to the dustproof net 4, a mounting plate 6 is provided below the dustproof net 4, an air intake mechanism 8 is connected to the mounting plate 6, a fixing seat 9 is connected to the inner wall of the air supply pipe 3, and an exhaust mechanism 7 is connected between the fixing seat 9 and the mounting plate 6;

[0022] The exhaust mechanism 7 includes a connecting shaft 701 installed on the mounting plate 6, the bottom end of the connecting shaft 701 is connected to a cover plate 702, a telescopic spring 703 is connected between the cover plate 702 and the mounting plate 6, the top end of the connecting shaft 701 passes through the mounting plate 6 to connect to a limited position seat 704, the mounting plate 6 is provided with an air hole 705, and a protective net 706 is connected below the fixed seat 9.

[0023] Specifically, when the pressure inside the tank body 1 is greater than the set pressure, the gas inside the tank body 1 will push the cover plate 702 to discharge the pressure inside the tank body 1 and then discharge it through the air vent 705 .

[0024] The air intake mechanism 8 includes a pull rod 801 connected to the middle of the mounting plate 6, the top of the pull rod 801 is connected to a pressure seat 802, a retaining ring 804 is connected to the pull rod 801, a telescopic spring 803 is connected between the retaining ring 804 and the mounting plate 6, the bottom end of the pull rod 801 is connected to a baffle 805, the upper surface of the baffle 805 is connected to a positioning seat 806, a sealing gasket 807 is sleeved on the positioning seat 806, and an air intake hole 808 is provided on the cover plate 702, which is plugged into the air intake hole 808 and the positioning seat 806.

[0025] Specifically, when the pressure inside the tank body 1 is lower than the set pressure, the telescopic spring 803 pushes the retaining ring 804 to move, and then the positioning seat 806 is separated from the air inlet 808, so that air enters the interior of the device and the pressure inside the tank body 1 rises.

[0026] The cleaning mechanism 5 includes a driving motor 501 installed at the top of the air supply pipe 3. The output end of the driving motor 501 is connected to a rotating shaft 502, and a brush 503 is connected to the rotating shaft 502. The brush 503 slides on the upper surface of the dustproof net 4. An exhaust pipe 504 is provided on one side of the driving motor 501.

[0027] Specifically, by driving the brush 503 to rotate by the driving motor 501, the filtering efficiency can be accelerated and improved.

[0028] Bolts 201 are threadedly connected at both ends of the mounting seat 2 , and an airtight gasket 202 is connected between the mounting seat 2 and the tank body 1 .

[0029] The upper surface of the fixing seat 9 is provided with a leak-proof rubber strip 901 .

[0030] The working principle of the present invention is that in actual use, when the pressure inside the tank body 1 is greater than the set pressure, the gas in the tank body 1 will push the cover plate 702 to discharge the pressure inside the tank body 1, and then discharge it through the air vent 705. At the same time, when the pressure inside the tank body 1 is less than the set pressure, the telescopic spring 803 pushes the retaining ring 804 to move, and then the positioning seat 806 is separated from the air inlet 808, allowing air to enter the interior of the equipment. The pressure inside the tank body 1 rises, and when the air enters the interior of the equipment, the outside air can be filtered through the dustproof net 4 to prevent dust and impurities from directly entering the tank body and affecting the quality of the chemical storage tank. At the same time, the brush 503 is driven to rotate by the driving motor 501, which can speed up the filtration efficiency and improve the filtration efficiency.

[0031] The above description is only a preferred embodiment of the present utility model patent and is not intended to limit the present utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model patent shall be included in the protection scope of the present utility model patent.

Claims

1. Safety breathing device for chemical raw material storage tanks, characterized by: The invention comprises a tank body (1), the tank body (1) is connected to a mounting seat (2), the mounting seat (2) is connected to an air supply pipe (3), the interior of the air supply pipe (3) is connected to a dustproof net (4), the dustproof net (4) is connected to a cleaning mechanism (5), a mounting plate (6) is provided below the dustproof net (4), the mounting plate (6) is connected to an air intake mechanism (8), a fixing seat (9) is connected to the inner wall of the air supply pipe (3), and an exhaust mechanism (7) is connected between the fixing seat (9) and the mounting plate (6); The exhaust mechanism (7) comprises a connecting shaft (701) mounted on a mounting plate (6); the bottom end of the connecting shaft (701) is connected to a cover plate (702); a telescopic spring (703) is connected between the cover plate (702) and the mounting plate (6); the top end of the connecting shaft (701) passes through the mounting plate (6) and is connected to a limiting seat (704); an air hole (705) is provided on the mounting plate (6); and a protective net (706) is connected below the fixing seat (9).

2. The safety breathing device for chemical raw material storage tank according to claim 1 is characterized in that: The air intake mechanism (8) comprises a pull rod (801) connected to the middle of the mounting plate (6), the top end of the pull rod (801) is connected to a pressure seat (802), a retaining ring (804) is connected to the pull rod (801), a telescopic spring 2 (803) is connected between the retaining ring (804) and the mounting plate (6), the bottom end of the pull rod (801) is connected to a baffle (805), the upper surface of the baffle (805) is connected to a positioning seat (806), a sealing gasket (807) is sleeved on the positioning seat (806), and an air intake hole (808) is provided on the cover plate (702), and the air intake hole (808) and the positioning seat (806) are plugged into each other.

3. The safety breathing device for chemical raw material storage tank according to claim 1 is characterized in that: The cleaning mechanism (5) comprises a driving motor (501) installed at the top end of the air supply pipe (3); the output end of the driving motor (501) is connected to a rotating shaft (502); a brush (503) is connected to the rotating shaft (502); the brush (503) slides on the upper surface of the dustproof net (4); and an exhaust pipe (504) is provided on one side of the driving motor (501).

4. The safety breathing device for chemical raw material storage tank according to claim 1 is characterized in that: Bolts (201) are threadedly connected at both ends of the mounting seat (2), and an airtight gasket (202) is connected between the mounting seat (2) and the tank body (1).

5. The safety breathing device for chemical raw material storage tank according to claim 1 is characterized in that: The upper surface of the fixing seat (9) is provided with a leak-proof rubber strip (901).

Images