Glass fiber reinforced plastic gas-collecting hood

Abstract

The utility model discloses a glass fiber reinforced plastic gas-collecting hood which comprises a gas-collecting hood body, an exhaust structure is installed on the gas-collecting hood body, a gas washing structure is installed on the exhaust structure, a guide structure and a spraying structure are installed on the gas washing structure, and the spraying structure is installed on the exhaust structure. According to the utility model, the exhaust pipe, the one-way valve body, the gas washing box, the gas outlet pipe and other structures are arranged; in order to prevent gas in the gas-collecting hood body from leaking from a gap at a joint between the gas-collecting hood body and the gas-collecting hood body or a gap at a joint between the gas-collecting hood body and the industrial pool due to oversaturation, controllable opening of the one-way valve body is utilized; a trace amount of gas in the gas-collecting hood body is fed into the gas washing box for gas washing, and the gas is discharged through the gas outlet pipe after the standard is reached, so that the loading capacity in the gas-collecting hood body can be conveniently, rapidly and efficiently reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of glass fiber reinforced plastic gas collecting hoods, in particular to a glass fiber reinforced plastic gas collecting hood. Background Art

[0002] FRP gas hood is a kind of equipment used in waste gas treatment and other fields. It is mainly used to collect and treat harmful gases. It is made of glass fiber reinforced plastic (FRP) and has excellent corrosion resistance and mechanical strength. It is also light and easy to install. FRP gas hood is usually installed above storage tanks or processing equipment. Harmful gases are introduced into the hood through pipes, and then the design structure and flow mode inside the hood are used to collect the harmful gases and discharge them into the treatment system through pipes for treatment. The main function of FRP gas hood is to collect and treat harmful gases and prevent them from causing harm to the environment and human body. It is widely used in waste gas treatment and sewage treatment in chemical, electric power, pharmaceutical, food, printing and dyeing and other industries.

[0003] In the prior art, when using fiberglass hoods to collect waste gas, multiple fiberglass hoods need to be connected together and placed above the industrial pool for combined use. When used for a long time, if too much waste gas is collected in the hoods and is not discharged to the outside in time, waste gas leakage will occur at the connection between the hoods and the connection between the industrial pool.

[0004] Therefore, a fiberglass gas collecting hood is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a glass fiber reinforced plastic gas collecting hood to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a glass fiber reinforced plastic gas collecting hood, comprising a gas collecting hood body, an exhaust structure is installed on the gas collecting hood body, a gas washing structure is installed on the exhaust structure, a guide structure and a spraying structure are installed on the gas washing structure, and the spraying structure is installed on the exhaust structure;

[0007] The exhaust structure includes an exhaust pipe, which is installed on an air collecting hood body. A one-way valve body is installed in the middle position of the exhaust pipe, and an exhaust hood is installed on the top of the exhaust pipe. A plurality of supporting legs are installed on the air collecting hood body, and an air washing box is installed on the plurality of supporting legs. An air outlet pipe is installed on one side of the air washing box, and the exhaust hood is movably installed in the air washing box.

[0008] Preferably, the air washing structure includes a rotating shaft, one end of which is rotatably mounted on the air washing box, and the other end of the rotating shaft is rotatably mounted with a baffle, which is mounted on the inner wall of the air washing box. A closed curved groove is provided on the rotating shaft, and a sliding shaft is slidably mounted on the inner wall of the closed curved groove, and an adapter block is mounted on the sliding shaft, and a retaining sleeve is mounted on the adapter block, and the retaining sleeve is sleeved on the exhaust pipe.

[0009] Preferably, a forward and reverse servo motor is installed on one end of the rotating shaft, a support plate is installed on the forward and reverse servo motor, and the support plate is installed on one side of the air washing box.

[0010] Preferably, a U-shaped plate is installed on one side of the baffle, the other end of the U-shaped plate is installed on the inner wall of the air washing box, and the adapter block is slidably installed on the U-shaped plate.

[0011] Preferably, the spraying structure comprises a water pump, which is installed on one side of the air washing box. A connecting pipe is provided on one side of the water pump, and a spray head is installed at the other end of the connecting pipe passing through the air washing box, and the spray head is installed in the air washing box.

[0012] Preferably, the guiding structure comprises a positioning plate, which is mounted on the inner wall of the air outlet pipe, on which a rotating shaft is rotatably mounted, and on one end of which a suction component is rotatably mounted in the air outlet pipe.

[0013] Preferably, a transmission assembly is sleeved on the other end of the rotating shaft, and the other end of the transmission assembly is sleeved on the rotating shaft.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) The utility model, through the arrangement of the exhaust pipe, the one-way valve body, the gas washing box and the air outlet pipe and other structures, in order to prevent the gas in the gas collecting hood body from leaking from the gap between the gas collecting hood body and the industrial pool or the gap between the gas collecting hood body and the industrial pool due to excessive saturation during the use of the gas collecting hood body, the one-way valve body can be controlled to open, and a small amount of gas in the gas collecting hood body can be put into the gas washing box for gas washing. After reaching the standard, the gas is discharged through the air outlet pipe, thereby conveniently and efficiently reducing the load in the gas collecting hood body.

[0016] (2) According to the utility model, after the overloaded gas in the gas collecting hood body is discharged into the gas washing box, the forward and reverse servo motor is used to drive the exhaust hood to move the gas left and right and discharge it into the gas washing box for gas washing, so that the gas can be cleaned more thoroughly and fully. In order to avoid that the gas is not fully cleaned, the cleaning liquid is sprayed from high to low by the spray head, so as to achieve the effect of secondary cleaning and make the exhaust gas cleaning more thorough. At the same time, the setting of the exhaust component can effectively guide the gas that meets the emission standards after cleaning into the exhaust pipe quickly so that it can be quickly discharged from the exhaust pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the connection structure of the exhaust pipe, the air washing box and the air outlet pipe of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the air washing box of the utility model;

[0020] Figure 4 It is a schematic diagram of the connection structure of the retaining sleeve, the round-shaped plate and the rotating shaft of the utility model;

[0021] Figure 5 It is a schematic diagram of the connection structure of the air extraction component, the rotating shaft and the transmission component of the utility model;

[0022] In the figure: 1. Air collecting hood body; 2. Exhaust pipe; 21. One-way valve body; 22. Air washing box; 23. Exhaust pipe; 24. Exhaust hood; 25. Support leg; 3. Rotating shaft; 31. U-shaped plate; 32. Retaining sleeve; 33. Forward and reverse servo motor; 34. Support plate; 35. Baffle; 36. Closed curved groove; 37. Sliding shaft; 38. Adapter block; 4. Water pump; 41. Connecting pipe; 42. Spray head; 5. Positioning plate; 51. Rotating shaft; 52. Vacuum assembly; 53. Transmission assembly. DETAILED DESCRIPTION

[0023] 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.

[0024] Example: See Figure 1-5The utility model provides a technical solution: a glass fiber reinforced plastic gas collecting hood, comprising a gas collecting hood body 1, an exhaust structure is installed on the gas collecting hood body 1, a washing structure is installed on the exhaust structure, a guiding structure and a spraying structure are installed on the washing structure, and the spraying structure is installed on the exhaust structure;

[0025] The exhaust structure includes an exhaust pipe 2, which is installed on the gas collecting hood body 1. A one-way valve body 21 is installed in the middle position of the exhaust pipe 2, an exhaust hood 24 is installed on the top of the exhaust pipe 2, and multiple supporting legs 25 are installed on the gas collecting hood body 1. A scrubbing box 22 is installed on the multiple supporting legs 25, and an outlet pipe 23 is installed on one side of the scrubbing box 22. The exhaust hood 24 is movably installed in the scrubbing box 22. During the use of the gas collecting hood body 1, in order to prevent the gas in the gas collecting hood body 1 from leaking from the gap at the connection between the gas collecting hood body 1 and the industrial pool or the gap at the connection between the gas collecting hood body 1 and the industrial pool due to excessive saturation, the controllable opening of the one-way valve body 21 is utilized to put a small amount of gas in the gas collecting hood body 1 into the scrubbing box 22 for scrubbing. After reaching the standard, the gas is discharged through the outlet pipe 23, thereby conveniently and efficiently reducing the load in the gas collecting hood body 1.

[0026] Reference Figure 3-4 In the utility model, the gas washing structure includes a rotating shaft 3, one end of the rotating shaft 3 is rotatably mounted on the gas washing box 22, and a baffle 35 is rotatably mounted on the other end of the rotating shaft 3, and the baffle 35 is mounted on the inner wall of the gas washing box 22. A closed curved groove 36 is opened on the rotating shaft 3, and a sliding shaft 37 is slidably mounted on the inner wall of the closed curved groove 36, and an adapter block 38 is mounted on the sliding shaft 37. A retaining sleeve 32 is mounted on the adapter block 38, and the retaining sleeve 32 is sleeved on the exhaust pipe 2. A U-shaped plate 31 is mounted on one side of the baffle 35, and the other end of the U-shaped plate 31 is mounted on the inner wall of the gas washing box 22. The adapter block 38 is slidably mounted on the U-shaped plate 31, and the closed curved groove 36 is driven to rotate by the rotating shaft 3, and the closed curved groove 36 drives the retaining sleeve 32 to reciprocate in the gas washing box 22, thereby facilitating more thorough and sufficient gas cleaning.

[0027] Reference Figure 2 In the utility model, a forward and reverse servo motor 33 is installed on one end of the rotating shaft 3, and a support plate 34 is installed on the forward and reverse servo motor 33. The support plate 34 is installed on one side of the washing box 22. The forward and reverse servo motor 33 is used to drive the rotating shaft 3 to rotate, thereby providing power support for the exhaust hood 24 to make reciprocating motion in the washing box 22.

[0028] Reference Figure 2In the utility model, the spraying structure includes a water pump 4, which is installed on one side of the scrubber box 22. A connecting pipe 41 is provided on one side of the water pump 4. The other end of the connecting pipe 41 passes through the scrubber box 22 and is provided with a spray head 42. The spray head 42 is installed in the scrubber box 22. In order to avoid that the gas is not fully cleaned, the cleaning liquid in the scrubber box 22 is pumped into the connecting pipe 41 by the water pump 4, and the cleaning liquid is sprayed from high to low through the spray head 42 on the connecting pipe 41, thereby achieving a secondary cleaning effect and making the exhaust gas cleaning more thorough.

[0029] Reference Figure 5 In the utility model, the guiding structure includes a positioning plate 5, which is mounted on the inner wall of the air outlet pipe 23. A rotating shaft 51 is rotatably mounted on the positioning plate 5, and an exhaust component 52 is mounted on one end of the rotating shaft 51. The exhaust component 52 is rotatably mounted in the air outlet pipe 23. In the utility model, a transmission component 53 is sleeved on the other end of the rotating shaft 51, and the other end of the transmission component 53 is sleeved on the rotating shaft 3. The rotating shaft 3 is used to drive the transmission component 53 to rotate, and the transmission component 53 drives the exhaust component 52 to rotate in the air outlet pipe 23, so that the gas that meets the emission standards after cleaning can be effectively and quickly guided into the air outlet pipe 23, so that it can be quickly discharged from the air outlet pipe 23.

[0030] The working principle is as follows: when the exhaust gas collected in the gas collecting hood body 1 is overloaded, the one-way valve body 21 is immediately opened to allow the overloaded gas in the gas collecting hood body 1 to be quickly discharged into the scrubber box 22 through the exhaust pipe 2. At this time, the forward and reverse servo motor 33 on the support plate 34 is started, and the forward and reverse servo motor 33 is used to drive the rotating shaft 3 to rotate, and the rotating shaft 3 drives the closed curved groove 36 to rotate, and the closed curved groove 36 drives the sliding shaft 37 to slide, and the sliding shaft 37 drives the adapter block 38 on the U-shaped plate 31 to move, and the adapter block 38 drives the exhaust hood 24 on the retaining sleeve 32 to do reciprocating motion in the cleaning liquid in the scrubber box 22, so as to prevent the exhaust hood 24 from being overloaded. In order to facilitate more thorough and sufficient gas cleaning, and to avoid that the gas is not fully cleaned, the cleaning liquid in the gas washing box 22 is pumped into the connecting pipe 41 by the water pump 4, and the cleaning liquid is sprayed from high to low through the spray head 42 on the connecting pipe 41, so as to achieve the effect of secondary cleaning and make the exhaust gas cleaning more thorough. Then, the rotating shaft 3 is used to drive the transmission component 53 to rotate, and the transmission component 53 drives the exhaust component 52 to rotate in the outlet pipe 23, so as to effectively guide the gas that meets the emission standards after cleaning into the outlet pipe 23 quickly, so that it can be quickly discharged from the outlet pipe 23.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Fiberglass gas collecting hood, characterized by: It comprises an air collecting hood body (1), an exhaust structure is mounted on the air collecting hood body (1), a gas washing structure is mounted on the exhaust structure, a guide structure and a spraying structure are mounted on the gas washing structure, and the spraying structure is mounted on the exhaust structure; The exhaust structure comprises an exhaust pipe (2), the exhaust pipe (2) being mounted on an air collecting hood body (1), a one-way valve body (21) being mounted in the middle of the exhaust pipe (2), an exhaust hood (24) being mounted on the top of the exhaust pipe (2), a plurality of supporting legs (25) being mounted on the air collecting hood body (1), an air washing box (22) being mounted on the plurality of supporting legs (25), an air outlet pipe (23) being mounted on one side of the air washing box (22), and the exhaust hood (24) being movably mounted in the air washing box (22).

2. The glass fiber reinforced plastic gas collecting hood according to claim 1, characterized in that: The gas washing structure comprises a rotating shaft (3), one end of which is rotatably mounted on a gas washing box (22), a baffle (35) is rotatably mounted on the other end of the rotating shaft (3), the baffle (35) is mounted on the inner wall of the gas washing box (22), a closed curved groove (36) is provided on the rotating shaft (3), a sliding shaft (37) is slidably mounted on the inner wall of the closed curved groove (36), an adapter block (38) is mounted on the sliding shaft (37), a retaining sleeve (32) is mounted on the adapter block (38), and the retaining sleeve (32) is sleeved on the exhaust pipe (2).

3. The glass fiber reinforced plastic gas collecting hood according to claim 2, characterized in that: A forward and reverse servo motor (33) is installed on one end of the rotating shaft (3), a support plate (34) is installed on the forward and reverse servo motor (33), and the support plate (34) is installed on one side of the air washing box (22).

4. The glass fiber reinforced plastic gas collecting hood according to claim 2, characterized in that: A U-shaped plate (31) is mounted on one side of the baffle (35), the other end of the U-shaped plate (31) is mounted on the inner wall of the air washing box (22), and the adapter block (38) is slidably mounted on the U-shaped plate (31).

5. The glass fiber reinforced plastic gas collecting hood according to claim 1, characterized in that: The spraying structure comprises a water pump (4), which is installed on one side of the air washing box (22). A connecting pipe (41) is provided on one side of the water pump (4), and the other end of the connecting pipe (41) passes through the air washing box (22) and is provided with a spray head (42), which is installed in the air washing box (22).

6. The glass fiber reinforced plastic gas collecting hood according to claim 1, characterized in that: The guide structure comprises a positioning plate (5), the positioning plate (5) being mounted on the inner wall of the air outlet pipe (23), a rotating shaft (51) being rotatably mounted on the positioning plate (5), an air extraction component (52) being mounted on one end of the rotating shaft (51), and the air extraction component (52) being rotatably mounted in the air outlet pipe (23).

7. The glass fiber reinforced plastic gas collecting hood according to claim 6, characterized in that: A transmission assembly (53) is sleeved on the other end of the rotating shaft (51), and the other end of the transmission assembly (53) is sleeved on the rotating shaft (3).

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