On-line cleaning device for demister of washing tower

Abstract

The utility model discloses an on-line cleaning device for a demister of a washing tower, which comprises a washing tower body, a smoke inlet pipe, a smoke exhaust pipe, a circulating pump, a rotary spray head I and a rotary spray head II, the smoke inlet pipe is connected with one side of the bottom of the washing tower body, and the smoke exhaust pipe is connected with the top of the washing tower body. The rotary spray head I is mounted in the smoke inlet pipe and is connected with the circulating pump through a spray pipe; the rotary spray head II is mounted in the washing tower body, is positioned below the demister and is connected with the circulating pump through a spray pipe. According to the utility model, the spiral spray head is additionally arranged at the bottom of the demister in the washing tower body, a solution is regularly pumped into the tower through the circulating pump, and reverse spraying cleaning is carried out on the demister of the washing tower through the spiral spray head, so that smoke dust attached to the surface of the demister is cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of washing tower purification, in particular to an online cleaning device for a washing tower demister. Background Art

[0002] Because the secondary dynamic scrubber of the sulfuric acid purification system has been running for a long time to scrub the flue gas, a layer of smoke dust will be attached to the demister inside the scrubber. As the attached smoke dust continues to increase, the demister inside the scrubber will be blocked. After the demister is blocked, the pressure difference between the inlet and outlet of the scrubber decreases, and eventually the flue gas cannot pass through the demister of the scrubber, causing the entire system to shut down. The demister inside the scrubber needs to be removed and cleaned with a high-pressure water gun. Utility Model Content

[0003] Based on this, the purpose of the utility model is to provide an online cleaning device for a scrubbing tower demister to solve the technical problems raised in the above background.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an online cleaning device for a scrubbing tower demister, comprising a scrubbing tower body, a smoke inlet pipe and a smoke exhaust pipe, wherein the smoke inlet pipe is connected to one side of the bottom of the scrubbing tower body, and the smoke exhaust pipe is connected to the top of the scrubbing tower body, and also comprises a circulating pump, a rotating nozzle 1 and a rotating nozzle 2, wherein the rotating nozzle 1 is installed in the smoke inlet pipe and is connected to the circulating pump through a spray pipe, and the rotating nozzle 2 is installed in the scrubbing tower body below the demister and is connected to the circulating pump through a spray pipe.

[0005] Furthermore, the rotating nozzle 1 is fixed in the smoke inlet pipe through a bracket 1, and the rotating nozzle 2 is fixed in the washing tower body through a bracket 2.

[0006] Furthermore, the spray pipe is provided with a valve 1, and the spray washing pipe is provided with a valve 2.

[0007] The utility model adds a spiral nozzle at the bottom of the demister in the washing tower body, and regularly pumps solution into the tower through a circulating pump to perform back-spray cleaning on the demister of the washing tower through the spiral nozzle, thereby cleaning the smoke and dust attached to the surface of the demister. There is no need to shut down the entire line to dismantle the demister for cleaning. During the production process, the inlet and outlet pressures of the washing tower can be monitored to determine whether it is blocked, and then an online cleaning operation can be performed. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0009] 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. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0010] The following describes an embodiment of the utility model based on its overall structure.

[0011] like Figure 1 As shown, the utility model includes a scrubber body 1, a smoke inlet pipe 2 and a smoke exhaust pipe 3, wherein the smoke inlet pipe 1 is connected to one side of the bottom of the scrubber body 1, and the smoke exhaust pipe 3 is connected to the top of the scrubber body 1, and further includes a circulation pump 4, a rotary nozzle 1 9 and a rotary nozzle 2 11, wherein the rotary nozzle 1 9 is installed in the smoke inlet pipe 2 through a bracket 1 8 and is connected to the circulation pump 4 through a spray pipe 5, and the rotary nozzle 2 11 is installed in the scrubber body 1 through a bracket 2 10 and is located below the demister 7 and is connected to the circulation pump 4 through a spray pipe 6. A valve 12 is provided on the spray pipe 5, and a valve 2 13 is provided on the spray pipe 6.

[0012] In the actual production process, the inlet and outlet pressures of the washing tower are monitored to determine whether the demister 7 is blocked. If the demister 7 is found to be blocked, the valve 2 13 is opened and the valve 1 12 is closed, so that the circulation pump 4 injects the solution into the rotating nozzle 2 11 through the spray pipe 6 to perform back spray cleaning on the demister 7, thereby cleaning the smoke and dust attached to the surface of the demister, and there is no need to shut down the entire line to dismantle the demister 7 for cleaning, thereby improving work efficiency.

[0013] Although an embodiment of the utility model has been shown and described, this specific embodiment is merely an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. An online cleaning device for a scrubber demister, comprising a scrubber body, a smoke inlet pipe and a smoke exhaust pipe, wherein the smoke inlet pipe is connected to one side of the bottom of the scrubber body, and the smoke exhaust pipe is connected to the top of the scrubber body, characterized in that: It also includes a circulation pump, a rotary nozzle 1 and a rotary nozzle 2. The rotary nozzle 1 is installed in the smoke inlet pipe and connected to the circulation pump through a spray pipe. The rotary nozzle 2 is installed in the washing tower body below the demister and connected to the circulation pump through a spray pipe.

2. The online cleaning device for a scrubber demister according to claim 1, characterized in that: The first rotating nozzle is fixed in the smoke inlet pipe through a first bracket, and the second rotating nozzle is fixed in the washing tower body through a second bracket.

3. The online cleaning device for a scrubber demister according to claim 1, characterized in that: The spray pipe is provided with a valve one, and the spray washing pipe is provided with a valve two.

Images