Anti-blocking device for emergency pipe of hydrogen fluoride reaction furnace

Abstract

An anti-blocking device for an emergency pipe of a hydrogen fluoride reaction furnace comprises a furnace end cover, one end of the furnace end cover is connected with a three-way pipe in a fastening mode, an air cylinder is installed on the side, away from the furnace end cover, of the three-way pipe, a piston is installed on the head of the air cylinder, and a piston sealing ring and a guide supporting ring are installed on the piston. The piston is slidably arranged in an inner cavity of the three-way pipe. The anti-blocking device for the emergency pipe has the beneficial effects that the anti-blocking device for the emergency pipe can quickly clean dust and particulate matters in the emergency pipe, can effectively avoid blocking in the emergency pipe, further avoids environmental protection accidents such as overflow and leakage of hydrogen fluoride and the like, and can ensure that a reacting furnace can carry out production operation better, so that the production requirements of the reacting furnace are met.

Description

Technical Field

[0001] The utility model relates to an emergency pipe anti-blocking device, in particular to an emergency pipe anti-blocking device for a hydrogen fluoride reactor. Background Art

[0002] Hydrogen fluoride reactor usually refers to equipment used to produce hydrogen fluoride (hydrofluoric acid). Hydrogen fluoride is an important chemical raw material with a wide range of uses, including in pharmaceuticals, metallurgy, electronics, pesticides and other fields.

[0003] The furnace head sealing device of the existing hydrogen fluoride reactor is as follows Figure 3 As shown in the figure, the emergency pipe is mounted on the end cap, with a valve mounted via a flange. Normally, this valve is normally closed. If the reactor's gas guide box becomes clogged, the emergency pipe valve can be opened to allow hydrogen fluoride gas to enter the system through this pipe. However, during production, the front end of the emergency pipe is often easily clogged with dust and particulate matter, rendering it ineffective and inconvenient. Utility Model Content

[0004] The purpose of the utility model is to address the shortcomings and defects in the existing technology and provide an emergency pipe anti-blocking device for a hydrogen fluoride reactor. The emergency pipe anti-blocking device can quickly clean dust and particulate matter in the emergency pipe, effectively avoid blockage in the emergency pipe, and thus avoid environmental accidents such as hydrogen fluoride overflow and leakage, thereby ensuring that the reactor can better carry out production operations, thereby meeting its production needs.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solution: a hydrogen fluoride reactor emergency pipe anti-blocking device, which includes a hydrogen fluoride reactor burner, and an emergency pipe anti-blocking device is installed above the hydrogen fluoride reactor burner, characterized in that: the emergency pipe anti-blocking device includes a burner head end cover 4, one end of the burner head end cover 4 is fastened with a tee pipe 2, a cylinder 1 is installed on the side of the tee pipe 2 away from the burner head end cover 4, a piston 7 is installed on the head of the cylinder 1, a piston sealing ring 6 and a guide support ring 5 are installed on the piston 7, and the piston 7 is slidably arranged in the inner cavity of the tee pipe 2.

[0006] Furthermore, an end cover gasket 3 is installed between the three-way pipe 2 and the furnace head end cover 4.

[0007] Furthermore, the inner lining end face at the connection between the three-way pipe 2 and the furnace head end cover 4 protrudes from the outer lining end face, the end face opening of the inner lining is designed to be inclined, and the upper end of the inner lining is longer than the lower end of the inner lining.

[0008] Furthermore, two guide support rings 5 ​​are provided, and are respectively located on the left and right sides of the piston sealing ring 6 .

[0009] Furthermore, the end cover gasket 3, the guide support ring 5 and the piston 7 are all made of FEP material.

[0010] After adopting the above technical solution, the beneficial effects of the utility model are: the emergency pipe anti-blocking device can quickly clean the dust and particulate matter in the emergency pipe, effectively avoid blockage in the emergency pipe, and thus avoid environmental accidents such as hydrogen fluoride overflow and leakage, and ensure that the reactor can carry out production operations better, thereby meeting its production needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0012] Figure 1 It is an installation diagram of the utility model.

[0013] Figure 2 It is a structural schematic diagram of the emergency pipe anti-blocking device in the utility model.

[0014] Figure 3 It is a state diagram of the prior art.

[0015] Description of the accompanying drawings: cylinder 1, tee pipe 2, end cover gasket 3, furnace head end cover 4, guide support ring 5, piston sealing ring 6, piston 7. DETAILED DESCRIPTION

[0016] See Figure 1-Figure 2 As shown, the technical solution adopted in this specific embodiment is: it includes a hydrogen fluoride reactor burner, and an emergency pipe anti-blocking device is installed above the hydrogen fluoride reactor burner, which is characterized in that: the emergency pipe anti-blocking device includes a burner end cover 4, one end of the burner end cover 4 is fastened to a tee pipe 2, a cylinder 1 is installed on the side of the tee pipe 2 away from the burner end cover 4, a piston 7 is installed on the head of the cylinder 1, a piston sealing ring 6 and a guide support ring 5 are installed on the piston 7, and the piston 7 is slidably arranged in the inner cavity of the tee pipe 2.

[0017] More specifically, an end cover gasket 3 is installed between the tee pipe 2 and the furnace head end cover 4. The end cover gasket 3 can ensure the sealing effect between the tee pipe 2 and the furnace head end cover 4.

[0018] More specifically, the inner lining end face at the connection between the tee pipe 2 and the furnace head end cover 4 protrudes from the outer lining end face. The end face opening of the inner lining is designed to be inclined, and the upper end of the inner lining is longer than the lower end of the inner lining. This makes the upper end of the inner lining of the tee pipe 2 act as a "hat brim", thereby preventing acid sludge from entering the gas guide pipe.

[0019] More specifically, two guide support rings 5 ​​are provided, and are respectively located on the left and right sides of the piston sealing ring 6. The guide support ring 5 can play a guiding role on the one hand, and can support the piston 7 on the other hand to prevent the piston 7 from deflecting.

[0020] More specifically, the end cap gasket 3, guide support ring 5, and piston 7 are all made of FEP. FEP, a fluorinated ethylene propylene copolymer, also known as tetrafluoroethylene-hexafluoropropylene copolymer, is a highly non-reactive, chemically inert, transparent plastic with excellent electrical properties, thermal stability, chemical resistance, and low moisture absorption. FEP also has an excellent dielectric constant and a low loss tangent.

[0021] The working principle of the present invention is as follows: First, a lined tee pipe 2 is designed and manufactured, and the tee pipe 2 is fastened to the furnace head sealing device furnace head end cover 4 through flanges and threaded bolts, and the sealing surface end cover gasket 3. Among them, the upper side of the tee pipe 2 inserted into the furnace head end cover 4 should be higher than the lower side, thereby acting as a "hat brim" effect, which can effectively prevent acid mud from entering the gas guide pipe. A cylinder 1 is installed on the other side of the tee pipe 2. The cylinder 1 can be extended and retracted in the tee pipe 2, and a piston 7 is installed at the head of the cylinder 1. The piston 7 is equipped with a piston sealing ring 6 and two guide support rings 5. Under normal conditions, the piston 7 is in the initial position. When ventilation is required through the emergency pipe, the emergency pipe valve is opened and the cylinder 1 is started at the same time to push the piston 7 forward the required distance, pushing the dust and particulate matter in the pipe into the furnace, and then pushing it back to the left of the center line of the tee pipe 2, ensuring that the piston 7 itself does not block the passage of the tee pipe 2, so that the hydrogen fluoride gas in the furnace enters the system through the emergency pipe. After the on-site equipment is repaired and restored, the piston 7 is extended to its original position.

[0022] The above is only used to illustrate the technical solution of the present invention and is not intended to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in this field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A hydrogen fluoride reactor emergency pipe anti-blocking device, comprising a hydrogen fluoride reactor burner, wherein the emergency pipe anti-blocking device is installed above the hydrogen fluoride reactor burner, and is characterized in that: The emergency pipe anti-blocking device comprises a furnace head end cover (4), one end of the furnace head end cover (4) is fastened with a three-way pipe (2), a cylinder (1) is installed on the side of the three-way pipe (2) away from the furnace head end cover (4), a piston (7) is installed on the head of the cylinder (1), a piston sealing ring (6) and a guide support ring (5) are installed on the piston (7), and the piston (7) is slidably arranged in the inner cavity of the three-way pipe (2).

2. The device for preventing blocking of an emergency pipe of a hydrogen fluoride reactor according to claim 1, characterized in that: An end cover gasket (3) is installed between the three-way pipe (2) and the furnace head end cover (4).

3. The device for preventing blocking of an emergency pipe of a hydrogen fluoride reactor according to claim 1, characterized in that: The inner lining end face at the connection between the three-way pipe (2) and the furnace head end cover (4) protrudes from the outer lining end face, the end face opening of the inner lining is designed to be inclined, and the upper end of the inner lining is longer than the lower end of the inner lining.

4. The device for preventing blocking of an emergency pipe of a hydrogen fluoride reactor according to claim 1, characterized in that: The guide support rings (5) are provided with two and are respectively located on the left and right sides of the piston sealing ring (6).

5. The device for preventing blocking of an emergency pipe of a hydrogen fluoride reactor according to claim 2, characterized in that: The end cover gasket (3), the guide support ring (5) and the piston (7) are all made of FEP material.

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