Spraying device of desulfurizing tower

Abstract

The utility model provides a desulfurizing tower spraying device which comprises a tower body, a spraying device and a spraying device, the first spraying mechanism is mounted in the tower body, a plurality of first atomizing nozzles are mounted on the first spraying mechanism at intervals, and the plurality of first atomizing nozzles are arranged towards the flowing direction of target flue gas; the second spraying mechanism is installed in the tower body, a plurality of second atomizing nozzles are installed on the second spraying mechanism, the second atomizing nozzles are arranged in the circumferential direction of the inner wall of the tower body, and the second atomizing nozzles are used for spraying target flue gas from the side face and meanwhile have a turbulent flow effect on the target flue gas; and the reaction time of the spraying liquid and the target flue gas is prolonged. The utility model relates to a spray-type desulfurizing tower, in particular to a spray-type desulfurizing tower, and aims to solve the problems that in the prior art, most spray devices of most spray-type desulfurizing towers directly spray absorption liquid down, gaps exist between water curtains, and high-efficiency reaction is difficult.

Description

Technical Field

[0001] The present application belongs to the technical field of desulfurization equipment, and more specifically, relates to a desulfurization tower spray device. Background Art

[0002] In the process of coal-fired power generation, a large amount of exhaust gas will be generated, some of which will contain sulfur, which will cause air pollution if directly discharged into the air. Therefore, a desulfurization tower is needed to separate the sulfur in the gas before discharging it. In the prior art, most traditional desulfurization towers are equipped with spraying equipment on the top of a huge barrel, and the exhaust gas is poured in from the bottom of the barrel and moves upward, and the absorption liquid is used to react with the sulfur in the exhaust gas. In the prior art, most of the spraying equipment of the spray-type desulfurization tower mostly sprays the absorption liquid directly, and there are gaps between the water curtains, which makes it difficult to react efficiently. In order to make desulfurization more efficient, it is necessary to design a desulfurization tower to make the desulfurization effect more efficient. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a desulfurization tower spray device to solve the problem in the prior art that most of the spray equipment of the spray-type desulfurization tower directly sprays the absorption liquid, and there are gaps between the water curtains, making it difficult to react efficiently.

[0004] In order to achieve the above purpose, the technical solution adopted in this application is: to provide a desulfurization tower spray device, comprising:

[0005] The tower body is formed with an air flow channel;

[0006] A first spray mechanism is installed in the tower body, and a plurality of first atomizing nozzles are installed on the first spray mechanism at intervals, and the plurality of first atomizing nozzles are all arranged toward the flow direction of the target flue gas;

[0007] A second spray mechanism is installed in the tower body. A plurality of second atomizing nozzles are installed on the second spray mechanism. The plurality of second atomizing nozzles are arranged circumferentially along the inner wall of the tower body. The plurality of second atomizing nozzles are used to spray the target flue gas from the side and also have a turbulent effect on the target flue gas, thereby increasing the reaction time between the spray liquid and the target flue gas.

[0008] Preferably, the first spray mechanism comprises:

[0009] A water supply pipe, connected to the tower body and communicated with the first water inlet;

[0010] A first connecting pipe is connected to the water supply pipe and is symmetrically arranged with respect to the water supply pipe, and first atomizing nozzles are arranged at intervals on both sides of the first connecting pipe;

[0011] The second connecting pipe is connected to the water supply pipe and is symmetrically arranged with respect to the water supply pipe. First atomizing nozzles are arranged at intervals on both sides of the second connecting pipe.

[0012] Preferably, a plurality of the second connecting pipes are provided, and the plurality of the second connecting pipes are symmetrically arranged with respect to the first connecting pipe.

[0013] Preferably, the first atomizing nozzle on the first connecting pipe and the first atomizing nozzle on the second connecting pipe are arranged alternately.

[0014] Preferably, the diameter of the water supply pipe is arranged to decrease gradually to improve water supply efficiency and reduce energy loss.

[0015] Preferably, the diameters of the first connecting pipe and the second connecting pipe are gradually decreasing and extending from both sides of the water supply pipe.

[0016] Preferably, the plurality of the second atomizing nozzles are arranged in multiple layers in a staggered manner, so that the spray liquid is injected in a spiral shape.

[0017] The beneficial effect of a desulfurization tower spray device provided in the present application is that: compared with the prior art, the first spray mechanism provided in the desulfurization tower spray device provided in the present application is installed in the tower body, and multiple first atomizing nozzles are installed on the first spray mechanism at intervals, and the multiple first atomizing nozzles are all arranged toward the flow direction of the target flue gas; the second spray mechanism is installed in the tower body, and multiple second atomizing nozzles are installed on the second spray mechanism, and the multiple second atomizing nozzles are arranged circumferentially along the inner wall of the tower body. The multiple second atomizing nozzles are used to spray the target flue gas from the side, and also have a turbulent effect on the target flue gas, thereby increasing the reaction time between the spray liquid and the target flue gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 A schematic diagram of the three-dimensional structure of a desulfurization tower spray device provided in an embodiment of the present application;

[0020] Figure 2 Provided in the embodiments of this application Figure 1 Schematic diagram of the top view structure in;

[0021] Figure 3 A schematic diagram of a top view of the first spray mechanism provided in an embodiment of the present application;

[0022] Figure 4 A schematic diagram of a top view of the second spray mechanism provided in an embodiment of the present application;

[0023] Figure 5 A schematic structural diagram of a second atomizing nozzle group provided in an embodiment of the present application, in which four layers are distributed on the inner wall of an annular connecting pipe along the axial direction of the annular connecting pipe from top to bottom.

[0024] Among them, the reference numerals in the figure are:

[0025] 1. Tower body; 2. First water inlet; 3. Second water inlet; 4. First spray mechanism; 41. Water supply pipe; 42. First connecting pipe; 43. Second connecting pipe; 44. First atomizing nozzle 5. Second spray mechanism; 51. Ring connecting pipe; 52. Second atomizing nozzle; 53. Solenoid valve; 54. Second atomizing nozzle group on the first layer; 55. Second atomizing nozzle group on the second layer; 56. Second atomizing nozzle group on the third layer; 57. Second atomizing nozzle group on the fourth layer. DETAILED DESCRIPTION

[0026] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0027] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0028] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] Please also read Figures 1 to 5 Now, a desulfurization tower spray device provided in an embodiment of the present application is described.

[0031] A desulfurization tower spray device comprises: a tower body 1, which is formed with an air flow channel; a first spray mechanism 4, which is installed in the tower body 1, and a plurality of first atomizing nozzles 44 are installed on the first spray mechanism 4 at intervals, and the plurality of first atomizing nozzles 44 are all arranged facing the flow direction of the target flue gas; a second spray mechanism 5, which is installed in the tower body 1, and a plurality of second atomizing nozzles 52 are installed on the second spray mechanism 5, and the plurality of second atomizing nozzles 52 are arranged along the circumference of the inner wall of the tower body 1, and the plurality of second atomizing nozzles 52 are used to spray the target flue gas from the side, and also have a disturbing effect on the target flue gas, thereby increasing the reaction time between the spray liquid and the target flue gas.

[0032] Specifically, the first spray mechanism 4 includes: a water supply pipe 41 connected to the tower body 1 and connected to the first water inlet 2, and the diameter of the water supply pipe 41 is set to decrease from the first water inlet 2 to the end to improve the water supply efficiency and reduce energy loss. A first connecting pipe 42 is connected to the water supply pipe 41 and is symmetrically arranged with respect to the water supply pipe 41, and first atomizing nozzles 44 are arranged at intervals on both sides of the first connecting pipe 42; a second connecting pipe 43 is connected to the water supply pipe 41 and is symmetrically arranged with respect to the water supply pipe 41, and first atomizing nozzles 44 are arranged at intervals on both sides of the second connecting pipe 43.

[0033] As a preferred embodiment, a plurality of second connecting pipes 43 are provided, and the plurality of second connecting pipes 43 are symmetrically arranged about the first connecting pipe 42. In order to make the first spraying mechanism 4 spray the target flue gas more uniform, the first atomizing nozzle 44 on the first connecting pipe 42 and the first atomizing nozzle 44 on the second connecting pipe 43 are arranged alternately.

[0034] In order to improve water supply efficiency and reduce energy loss, the diameter of the water supply pipe 41 is gradually extended from the first water inlet 2 into the tower. The diameters of the first connecting pipe 42 and the second connecting pipe 43 are gradually extended from both sides of the water supply pipe 41 outward.

[0035] As a preferred embodiment, a plurality of the second atomizing nozzles 52 are arranged in a staggered manner in multiple layers, so that the spray liquid is injected in a spiral shape.

[0036] Specifically, the second spray mechanism 5 on the inner wall of the tower body 1 includes an annular connecting pipe 51, which is installed in a mounting groove on the inner wall of the tower body 1 and is connected to the second water inlet 3. A plurality of branch pipes are arranged on the inner wall of the annular connecting pipe 51, and each branch pipe is connected to a second atomizing nozzle 52. The plurality of second atomizing nozzles 52 are arranged in multiple layers on the inner wall of the annular connecting pipe 51, and the plurality of second atomizing nozzles 52 are each connected to an electromagnetic valve 53. Specifically, there are 16 second atomizing nozzles 52, and four second atomizing nozzles 52 form a group in each layer and are arranged opposite to each other in pairs. Four layers are arranged on the inner wall of the tower body 1 along the axial direction of the tower body 1 from top to bottom. The second atomizing nozzle group 54 in the first layer is a, e, i, and m, and the solenoid valves 53 connected to a, e, i, and m respectively together form a first solenoid valve 53 group; the second atomizing nozzle group 55 in the second layer is b, f, j, and n, and the solenoid valves 53 connected to b, f, j, and n respectively together form a second solenoid valve 53 group; the second atomizing nozzle group 56 in the third layer is c, g, k, and o, and the solenoid valves 53 connected to b, f, j, and n respectively together form a second solenoid valve 53 group; The electromagnetic valves 53 connected to c, g, k, and o together form the third electromagnetic valve group 53; the second atomizing nozzle group 57 of the fourth layer is d, h, l, and p, and the electromagnetic valves 53 connected to d, h, l, and p respectively form the fourth electromagnetic valve group 53; and the first electromagnetic valve group 53, the second electromagnetic valve group 53, the third electromagnetic valve group 53, and the fourth electromagnetic valve group 53 are all connected to the controller (not shown in the figure) by signal, and the controller sends an opening or closing command to the first electromagnetic valve group 53, the second electromagnetic valve group 53, the third electromagnetic valve group 53, and the fourth electromagnetic valve group 53 according to the pre-set control time. In this embodiment, the interval time of each electromagnetic valve group 53 is 3 seconds. After the second atomizing nozzle group 54 of the first layer is finished working, the controller sends a closing command to the first solenoid valve 53 group and sends an opening command to the second solenoid valve 53 group, and the second atomizing nozzle group 55 of the second layer is working. After the second atomizing nozzle group 55 of the second layer is finished, the controller sends a closing command to the second solenoid valve 53 group and sends an opening command to the third solenoid valve 53 group, and the second atomizing nozzle group 56 of the third layer is working. After the second atomizing nozzle group 56 of the third layer is finished, the controller sends a closing command to the third solenoid valve 53 group and sends an opening command to the fourth solenoid valve 53 group, and the second atomizing nozzle group 57 of the fourth layer is working. This is repeated so that the injected compressed air is spiral. The start and stop time of each layer is 3 seconds as an example.

[0037] In another embodiment, the second spray mechanism 5 on the inner wall of the tower body 1 specifically includes an annular connecting pipe 51, which is installed in the installation groove on the inner wall of the tower body 1. A plurality of branch pipes are arranged on the inner wall of the annular connecting pipe 51, and each branch pipe is connected to a second atomizing nozzle 52. The plurality of the second atomizing nozzles 52 are arranged in multiple layers in a staggered manner on the inner wall of the annular connecting pipe 51. Specifically, there are 16 second atomizing nozzles 52, and four second atomizing nozzles 52 form a group in each layer and are arranged opposite to each other. Four layers are arranged on the inner wall of the tower body 1 along the axial direction of the tower body 1 from top to bottom, wherein the second atomizing nozzle group 54 of the first layer is a, e, i, m; the second atomizing nozzle group 55 of the second layer is b, f, j, n; the second atomizing nozzle group 56 of the third layer is c, g, k, o; the second atomizing nozzle group 57 of the fourth layer is d, h, l, p. On the inner wall of the tower body 1, a, b, c, d of the second atomizing nozzles 52 in four layers are distributed along the axial direction of the tower body 1 from top to bottom, e, f, g, h of the second atomizing nozzles 52, i, j, k, l of the second atomizing nozzles 52, and m, n, o, p of the second atomizing nozzles 52 are all arranged in spiral steps. When in use, 16 second atomizing nozzles 52 spray toward the target flue gas at the same time.

[0038] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A desulfurization tower spray device, characterized in that: include: The tower body is formed with an air flow channel; A first spray mechanism is installed in the tower body, and a plurality of first atomizing nozzles are installed on the first spray mechanism at intervals, and the plurality of first atomizing nozzles are all arranged toward the flow direction of the target flue gas; A second spray mechanism is installed in the tower body. A plurality of second atomizing nozzles are installed on the second spray mechanism. The plurality of second atomizing nozzles are arranged circumferentially along the inner wall of the tower body. The plurality of second atomizing nozzles are used to spray the target flue gas from the side and also have a turbulent effect on the target flue gas, thereby increasing the reaction time between the spray liquid and the target flue gas.

2. A desulfurization tower spray device according to claim 1, characterized in that: The first spray mechanism comprises: A water supply pipe, connected to the tower body and communicated with the first water inlet; A first connecting pipe is connected to the water supply pipe and is symmetrically arranged with respect to the water supply pipe, and first atomizing nozzles are arranged at intervals on both sides of the first connecting pipe; The second connecting pipe is connected to the water supply pipe and is symmetrically arranged with respect to the water supply pipe. First atomizing nozzles are arranged at intervals on both sides of the second connecting pipe.

3. A desulfurization tower spray device as claimed in claim 2, characterized in that: A plurality of the second connecting pipes are provided, and the plurality of the second connecting pipes are symmetrically arranged with respect to the first connecting pipe.

4. A desulfurization tower spray device as claimed in claim 3, characterized in that: The first atomizing nozzles on the first connecting pipe and the first atomizing nozzles on the second connecting pipe are arranged alternately at intervals.

5. A desulfurization tower spray device as claimed in claim 4, characterized in that: The diameters of the water supply pipes are arranged to decrease gradually, so as to improve water supply efficiency and reduce energy loss.

6. A desulfurization tower spray device as claimed in claim 5, characterized in that: The diameters of the first connecting pipe and the second connecting pipe are gradually reduced and extend outward from both sides of the water supply pipe.

7. A desulfurization tower spray device according to any one of claims 1 to 6, characterized in that: The plurality of the second atomizing nozzles are arranged in a staggered manner in multiple layers, so that the spray liquid injected is in a spiral shape.

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