Tail gas liquid sealing and fire retarding device with adjustable pressure

Abstract

The utility model relates to the technical field of tail gas treatment of solvent storage tanks, in particular to a pressure-adjustable tail gas liquid sealing and fire retarding device which comprises a buffer tank, an input pipeline is mounted on one side of the top of the buffer tank, the top of the input pipeline is connected with the solvent storage tank, and an output pipeline is mounted on the other side of the top of the buffer tank. The buffer tank is filled with a liquid seal solution, and the bottom end of the input pipeline is immersed in the liquid seal solution. The device has the beneficial effects that the tail gas is discharged into the liquid sealing solution, the absorbable part in the tail gas is absorbed through the liquid sealing solution, and then the residual tail gas is discharged through the output pipeline, so that the content of dangerous substances in the tail gas can be reduced, the safety is improved, and if the tail gas generates a fire hazard, the tail gas can be discharged into the liquid sealing solution. The flame can be blocked through the liquid sealing solution, the danger is further reduced, meanwhile, different liquid sealing solutions can be used according to different types of tail gas, the use range is wider, and the overall use effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas treatment of solvent storage tanks, in particular to a tail gas liquid seal and fire arrester with adjustable pressure. Background Art

[0002] Volatile solvents are generally used as important basic raw materials, intermediates and final products in chemical production, and are present in the entire chemical production process. Therefore, almost all chemical companies store a large number of low-boiling point volatile solvents of different types and properties. Due to their low boiling point and volatility during storage, their storage facilities are required to have exhaust gas exhaust pipes in addition to various safety measures to reduce the increase in internal pressure of the storage facilities caused by solvent volatilization, and ensure that the internal pressure of the storage facilities is controlled within a safe range.

[0003] Since volatile solvents are generally flammable and explosive, in order to prevent the solvent exhaust gas from directly connecting with other exhaust gas pipelines, isolation measures need to be taken between the solvent exhaust gas pipeline and other exhaust gas pipelines to avoid the fire hazard of the solvent storage facility igniting the exhaust gas and affecting the factory exhaust system, thereby causing greater safety hazards.

[0004] In actual chemical production, the safety of various solvent storage tanks is of vital importance. As a key hazard management area in chemical enterprises, the safety of the storage tank area is of paramount importance for safe production and stable operation of chemical enterprises. Therefore, a pressure-adjustable tail gas liquid seal and flame arrester is required to isolate the tail gas and avoid safety problems. Summary of the Invention

[0005] Aiming at the problem that tail gas discharged after volatilization from different types of solvent storage tanks is prone to safety accidents, the utility model proposes a tail gas liquid seal and fire arrester with adjustable pressure, which can isolate different types of tail gas and avoid safety accidents.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is a pressure-adjustable tail gas liquid seal and fire-retardant device, comprising a buffer tank, an input pipe is installed on one side of the top of the buffer tank, the top of the input pipe is connected to the solvent storage tank, and an output pipe is installed on the other side of the top of the buffer tank. The interior of the buffer tank is filled with a liquid sealing solution, and the bottom end of the input pipe is immersed in the liquid sealing solution. When in use, the tail gas volatilized from the solvent storage tank is discharged through the input pipe, and the discharged tail gas enters the liquid sealing solution. The absorbable part of the tail gas is absorbed by the liquid sealing solution, and then the remaining tail gas is discharged through the output pipe, which can effectively isolate different types of tail gases and has a good overall use effect.

[0007] Furthermore, a filling pipe is installed in the middle of the top of the buffer tank, and the liquid sealing solution can be added through the filling pipe.

[0008] Furthermore, a one-way valve is installed on the filling pipeline, and the one-way valve can prevent exhaust gas from overflowing.

[0009] Furthermore, a liquid level gauge is installed on the buffer tank, which allows staff to observe the liquid sealing solution.

[0010] Furthermore, a discharge pipe is installed at the outer bottom of the buffer tank, and a valve is installed on the discharge pipe. The liquid sealing solution can be discharged through the discharge pipe, and the opening and closing of the discharge pipe are controlled by the valve.

[0011] Furthermore, the top of the output pipe is connected to the exhaust gas exhaust pipe.

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

[0013] The device discharges the exhaust gas into a liquid sealing solution, which absorbs the absorbable part of the exhaust gas and then discharges the remaining exhaust gas through an output pipe. This can reduce the content of dangerous substances in the exhaust gas and improve safety. If a fire occurs in the exhaust gas, the liquid sealing solution can block the flame and further reduce the danger. At the same time, different liquid sealing solutions can be used according to different types of exhaust gas, which has a wider range of uses and better overall use effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the present invention, the following is a brief introduction to the drawings required for the description. 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 work.

[0015] Figure 1 It is a structural diagram of the present utility model.

[0016] In the figure: 1. Discharge pipe; 2. Buffer tank; 3. Input pipe; 4. Filling pipe; 5. Output pipe; 6. Liquid level gauge; 7. Liquid sealing solution. DETAILED DESCRIPTION

[0017] In order to make the purpose, features, and advantages of the present invention more obvious and easy to understand, the technical solutions of the present invention will be clearly and completely described below in conjunction with the drawings in the specific embodiments. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this patent.

[0018] like Figure 1 As shown, in this embodiment, the utility model proposes a pressure-adjustable tail gas liquid seal and flame retardant device, including a buffer tank 2, an input pipe 3 is installed on one side of the top of the buffer tank 2, the top of the input pipe 3 is connected to the solvent storage tank, an output pipe 5 is installed on the other side of the top of the buffer tank 2, the top of the output pipe 5 is connected to the tail gas discharge pipe, the interior of the buffer tank 2 is filled with a liquid sealing solution 7, the bottom end of the input pipe 3 is immersed in the liquid sealing solution 7, and the height H of the input pipe 3 immersed in the liquid sealing solution 7 can be adjusted according to the pressure requirements of different tail gases, the scope of application is wider, and the type and flame retardant performance of the liquid sealing solution 7 can be adjusted according to different types of tail gases. A filling pipe 4 is installed in the middle of the top of the buffer tank 2, and the liquid sealing solution 7 can be added through the filling pipe 4. A one-way valve is installed on the filling pipe 4. A one-way valve can prevent tail gas from overflowing. A liquid level gauge 6 is installed on the buffer tank 2, and the liquid level gauge 6 allows staff to observe the liquid sealing solution 7. In addition, as a preference, the liquid level gauge 6 can also be connected to the control room through an electrical signal, so that staff can monitor the liquid level of the liquid sealing solution 7 in real time. A discharge pipe 1 is installed at the outer bottom of the buffer tank 2, and a valve is installed on the discharge pipe 1. The liquid sealing solution 7 can be discharged through the discharge pipe 1, and the opening and closing of the discharge pipe 1 are controlled by the valve. When in use, the tail gas volatilized in the solvent storage tank is discharged through the input pipe 3, and the discharged tail gas enters the liquid sealing solution 7, and the absorbable part of the tail gas is absorbed by the liquid sealing solution 7, and then the remaining tail gas is discharged through the output pipe 5, which can effectively isolate different types of tail gases and has a good overall use effect.

[0019] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pressure-adjustable tail gas liquid seal and fire arrester device, comprising a buffer tank (2), characterized in that: An input pipe (3) is installed on one side of the top of the buffer tank (2), and the top of the input pipe (3) is connected to the solvent storage tank. An output pipe (5) is installed on the other side of the top of the buffer tank (2). The interior of the buffer tank (2) is filled with a liquid sealing solution (7), and the bottom end of the input pipe (3) is immersed in the liquid sealing solution (7).

2. The pressure-adjustable tail gas liquid seal and fire-stop device according to claim 1, characterized in that: A filling pipe (4) is installed in the middle of the top of the buffer tank (2).

3. The pressure-adjustable tail gas liquid seal and fire arrester device according to claim 2, characterized in that: A one-way valve is installed on the filling pipe (4).

4. The pressure-adjustable tail gas liquid seal and fire arrester device according to claim 1, characterized in that: A liquid level gauge (6) is installed on the buffer tank (2).

5. The pressure-adjustable tail gas liquid seal and fire arrester device according to claim 1, characterized in that: A discharge pipe (1) is installed at the outer bottom of the buffer tank (2), and a valve is installed on the discharge pipe (1).

6. The pressure-adjustable tail gas liquid seal and fire arrester device according to claim 1, characterized in that: The top of the output pipe (5) is connected to the tail gas exhaust pipe.

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