Liquid outlet structure of desulfurizing tower

Abstract

The utility model belongs to the technical field of desulfurization regeneration towers, and particularly relates to a liquid outlet structure of a desulfurization tower, which comprises a desulfurization regeneration tower provided with a liquid outlet pipe seat, and further comprises a filtering assembly used for filtering circulating desulfurization liquid, the filtering assembly is detachably connected to the end of the liquid outlet pipe base through a connecting assembly, the liquid outlet pipe base is marked, perforated, positioned, welded and fixed on a tower body of the desulfurization regeneration tower, one end of the liquid outlet pipe base is located on the inner surface of the desulfurization regeneration tower, and the filtering assembly comprises a hollow circular plate, a filter element and a filter element, the hollow circular plate is detachably connected to the end part of the liquid outlet pipe seat through the connecting component, the filtering component is arranged, so that the circulating desulfurizing liquid can be filtered, and impurities in the circulating desulfurizing liquid can be filtered by filtering the circulating desulfurizing liquid; therefore, the desulfurization pump is prevented from being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of desulfurization regeneration towers, in particular to a liquid outlet structure of a desulfurization tower. Background Art

[0002] The desulfurization regeneration tower is one of the important equipment for desulfurization of industrial emissions and is also an essential means to achieve environmental protection and emission reduction.

[0003] The desulfurization liquid is used to wash the coal gas and absorb the hydrogen sulfide and hydrogen cyanide therein, and the air is used to regenerate the sulfur in the desulfurization liquid.

[0004] The coal gas enters the desulfurization section of the desulfurization regeneration tower, and the coal gas contacts the desulfurization liquid sprayed on the top of the tower in countercurrent to absorb the H 2 S, absorbed H 2 The desulfurized liquid after S is pumped to the top of the desulfurization regeneration tower by the desulfurization pump, and contacts with the air through the self-priming ejector for oxidation regeneration. The regenerated desulfurized liquid is regulated by the liquid level regulator and passes through the connecting pipe to the top of the desulfurization section to contact with the coal gas in countercurrent flow for recycling.

[0005] When the desulfurization liquid passes through the outlet pipe seat and forms a cycle with the desulfurization pump, the desulfurization pump may be damaged when the desulfurization liquid carries impurities through the desulfurization pump during the cycle. Therefore, a desulfurization tower outlet structure is invented. Utility Model Content

[0006] In view of the above-mentioned problems and / or the problems existing in the existing liquid outlet structure of a desulfurization tower, the present utility model is proposed.

[0007] Therefore, the purpose of the utility model is to provide a desulfurization tower liquid outlet structure that can solve the above-mentioned existing problems.

[0008] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0009] A desulfurization tower liquid outlet structure, comprising a desulfurization regeneration tower, wherein the desulfurization regeneration tower is provided with a liquid outlet pipe seat, and further comprising:

[0010] The filter assembly is used for filtering the circulating desulfurized liquid, and the filter assembly is detachably connected to the end of the liquid outlet pipe seat through a connecting assembly.

[0011] As a preferred solution of the desulfurization tower liquid outlet structure described in the utility model, the liquid outlet pipe seat is marked, opened, positioned and welded on the tower body of the desulfurization regeneration tower, and one end of the liquid outlet pipe seat is located on the inner surface of the desulfurization regeneration tower.

[0012] As a preferred solution of the desulfurization tower liquid outlet structure described in the utility model, the filter assembly includes:

[0013] A hollow circular plate, wherein the hollow circular plate is detachably connected to the end of the liquid outlet pipe seat through a connecting assembly;

[0014] A filter screen is fixedly installed in the hollow circular plate.

[0015] As a preferred solution of a desulfurization tower liquid outlet structure described in the utility model, the connection assembly includes:

[0016] A plurality of pressing plates, wherein the pressing plates are arranged in a ring shape and are arranged on a side of the hollow circular plate away from the liquid outlet pipe seat;

[0017] A screw, one end of which passes through the pressing plate and the hollow circular plate and is threadedly connected to one end of the liquid outlet pipe seat.

[0018] As a preferred solution of the desulfurization tower liquid outlet structure described in the utility model, it also includes:

[0019] A sealing component is used for sealing the connection between the hollow circular plate and the liquid outlet pipe seat, and the sealing component is arranged between the hollow circular plate and the liquid outlet pipe seat.

[0020] As a preferred solution of the desulfurization tower liquid outlet structure described in the utility model, the sealing component includes:

[0021] An annular groove, the annular groove is formed on one end of the liquid outlet pipe seat;

[0022] The sealing ring is arranged in the annular groove, and the sealing ring can contact with the hollow circular plate through deformation.

[0023] Compared with existing technologies:

[0024] 1. By setting up a filtering component, it is possible to filter the circulating desulfurization liquid. By filtering the circulating desulfurization liquid, impurities in the circulating desulfurization liquid can be filtered to avoid damage to the desulfurization pump.

[0025] 2. By setting up a sealing component, it has the function of sealing the connection between the hollow circular plate and the liquid outlet pipe seat. By sealing the connection between the hollow circular plate and the liquid outlet pipe seat, it can prevent the desulfurization liquid from flowing into the liquid outlet pipe seat through the hollow circular plate and the liquid outlet pipe seat, thereby improving the filtering effect to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;

[0027] Figure 2 For this utility model Figure 1A schematic diagram of the structure enlargement in the middle;

[0028] Figure 3 This is a schematic diagram of the structure of the liquid outlet pipe seat of the utility model;

[0029] Figure 4 It is a side view schematic diagram of the filter assembly of the utility model.

[0030] In the figure: a desulfurization regeneration tower 10, a liquid outlet pipe seat 20, a hollow circular plate 30, a filter screen 40, a pressing plate 50, a screw 60, an annular groove 70, and a sealing ring 80. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0032] The utility model provides a desulfurization tower liquid outlet structure, please refer to Figure 1-Figure 4 , including a desulfurization regeneration tower 10, on which a liquid outlet pipe seat 20 is provided. The liquid outlet pipe seat 20 is marked on the tower body of the desulfurization regeneration tower 10, opened and positioned by welding, and one end of the liquid outlet pipe seat 20 is located on the inner surface of the desulfurization regeneration tower 10.

[0033] It also includes: a filter assembly for filtering the circulating desulfurized liquid, and the filter assembly is detachably connected to the end of the liquid outlet pipe seat 20 through a connecting assembly.

[0034] The filter assembly includes: a hollow circular plate 30 and a filter screen 40;

[0035] The hollow circular plate 30 is detachably connected to the end of the liquid outlet pipe seat 20 through a connecting assembly, and the filter screen 40 is fixedly installed in the hollow circular plate 30 , and the diameter of the filter screen 40 is larger than the inner cavity diameter of the liquid outlet pipe seat 20 .

[0036] The connecting assembly includes: a plurality of pressing plates 50 and screws 60;

[0037] A plurality of pressure plates 50 are arranged in a ring shape on one side of the hollow circular plate 30 away from the liquid outlet pipe seat 20, and the pressure plates 50 are in contact with the outer surface of the hollow circular plate 30. One end of the screw 60 passes through the pressure plate 50 and the hollow circular plate 30 and is threadedly connected to one end of the liquid outlet pipe seat 20, and the other end of the screw 60 is in contact with the outer surface of the pressure plate 50.

[0038] It also includes: a sealing component for sealing the connection between the hollow circular plate 30 and the liquid outlet pipe seat 20, and the sealing component is arranged between the hollow circular plate 30 and the liquid outlet pipe seat 20;

[0039] The sealing assembly includes: an annular groove 70 and a sealing ring 80;

[0040] The annular groove 70 is opened on one end of the liquid outlet pipe seat 20, and the sealing ring 80 is arranged in the annular groove 70, and the sealing ring 80 can contact the hollow circular plate 30 after deformation, and the diameter of the annular groove 70 is larger than the diameter of the sealing ring 80, and the inner diameter of the annular groove 70 is smaller than the inner diameter of the sealing ring 80, so that the sealing ring 8 can be deformed, and the sealing ring 80 is fixed in the annular groove 70 including but not limited to being fixed by bonding.

[0041] Installation process: make the hollow circular plate 30 contact one end of the liquid outlet pipe seat 20, and align the filter screen 40 with the inner cavity of the liquid outlet pipe seat 20. At this time, place the pressure plate 50 on one side of the hollow circular plate 30. Then, make one end of the screw 60 pass through the pressure plate 50 and the hollow circular plate 30 and be threadedly connected to one end of the liquid outlet pipe seat 20 to fix the filter assembly. After the filter assembly is fixed, its sealing ring 80 can be deformed to contact the hollow circular plate 30.

[0042] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the omission of enumerated descriptions of these combinations in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A desulfurization tower liquid outlet structure, comprising a desulfurization regeneration tower (10), wherein the desulfurization regeneration tower (10) is provided with a liquid outlet pipe seat (20), characterized in that: Also includes: The filter assembly is used for filtering the circulating desulfurized liquid, and the filter assembly is detachably connected to the end of the liquid outlet pipe seat (20) through a connecting assembly.

2. A desulfurization tower liquid outlet structure according to claim 1, characterized in that: The liquid outlet pipe seat (20) is marked on the tower body of the desulfurization regeneration tower (10), opened and positioned by welding, and one end of the liquid outlet pipe seat (20) is located on the inner surface of the desulfurization regeneration tower (10).

3. A desulfurization tower liquid outlet structure according to claim 1, characterized in that: The filter assembly comprises: A hollow circular plate (30), wherein the hollow circular plate (30) is detachably connected to the end of the liquid outlet pipe seat (20) via a connecting assembly; A filter screen (40) is fixedly installed in the hollow circular plate (30).

4. A desulfurization tower liquid outlet structure according to claim 3, characterized in that: The connection component comprises: A plurality of pressing plates (50), wherein the plurality of pressing plates (50) are arranged in a ring shape and are disposed on a side of the hollow circular plate (30) away from the liquid outlet pipe seat (20); A screw (60), one end of which passes through the pressing plate (50) and the hollow circular plate (30) and is threadedly connected to one end of the liquid outlet pipe seat (20).

5. A desulfurization tower liquid outlet structure according to claim 3, characterized in that: Also includes: A sealing component is used for sealing the connection between a hollow circular plate (30) and a liquid outlet pipe seat (20), and the sealing component is arranged between the hollow circular plate (30) and the liquid outlet pipe seat (20).

6. A desulfurization tower liquid outlet structure according to claim 5, characterized in that: The sealing assembly comprises: an annular groove (70), the annular groove (70) being formed on one end of the liquid outlet pipe seat (20); A sealing ring (80) is disposed in the annular groove (70), and the sealing ring (80) can be deformed to contact the hollow circular plate (30).

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