Ammonia desulfurization spraying system and ammonia desulfurization equipment

Abstract

The utility model relates to an ammonia process desulfurization spraying system which comprises a first spraying layer, a second spraying layer and a supporting beam used for fixing the first spraying layer and the second spraying layer, the first spraying layer is arranged above the supporting beam, and the second spraying layer is arranged below the same supporting beam. The utility model also relates to ammonia desulfurization equipment. In this way, simple installation and maintenance of the spray layer can be achieved. In addition, the utilization rate of an ammonia desulfurization spraying system can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of environmental protection equipment, more particularly to a kind of ammonia desulfurization spray system and a kind of ammonia desulfurization equipment. BACKGROUND

[0002] Desulfurization tower is the most important equipment in ammonia desulfurization, ammonia desulfurization is a kind of efficient, low energy consumption wet desulfurization method, desulfurization process is gas-liquid phase reaction, reaction rate is fast, absorbent utilization rate is high.Usually, there are multiple spray layers in a tower, and the distance between the spray layers is generally 1-3 m. The height of the desulfurization absorption tower is usually about 40-50 m, and the high tower body requires higher investment and operating costs.

[0003] CN211098388U discloses a distribution device for absorption liquid of ammonia desulfurization and an absorption tower for ammonia desulfurization, the absorption tower has the distribution device. The distribution device is used in the absorption section or water washing section of the absorption tower for ammonia desulfurization, and the distribution device includes an absorption liquid inlet for inputting absorption liquid, at least one main pipe, and a plurality of nozzles. The absorption liquid inlet is connected with the main pipe in a flow guide manner, and the plurality of nozzles are distributed and connected with the main pipe in a flow guide manner. The utility model does not provide a structure of double spray layer combination.

[0004] CN220310133U discloses an ammonia desulfurization tower with superimposed spraying equipment, which includes a first spraying pipe, a second spraying pipe and a connecting pipeline. The top end of the second spraying pipe is provided with the connecting pipeline. One side of the first spraying pipe is provided with a second spraying branch pipe. The bottom ends of the first spraying pipe and the second spraying pipe are provided with spraying mechanisms. The spraying mechanism includes a nozzle, a branch pipe body and an efficiency ring. The efficiency ring is installed at the bottom end of the first spraying branch pipe and the second spraying branch pipe. The bottom ends of the first spraying branch pipe and the second spraying branch pipe are provided with support structures. The utility model simultaneously designs two independent spraying layers above the support beam, and the spraying pipelines are crossed and overlapped, which is easy to block. SUMMARY

[0005] Therefore, the utility model aims to provide an ammonia desulfurization spray system, which can realize simple installation and maintenance of the spraying layer. In addition, the ammonia desulfurization spray system can improve the utilization rate of the ammonia desulfurization spray system, and the failure of one spraying layer will not cause the failure of the entire ammonia desulfurization spray system.

[0006] The utility model also aims to provide an ammonia desulfurization equipment.

[0007] The first aspect of the utility model relates to a kind of ammonia desulfurization spray systems, the ammonia desulfurization spray system is configured to be used in ammonia desulfurization equipment, characterized in that, the ammonia desulfurization spray system includes first spray layer, second spray layer and the support beam for fixing first spray layer and second spray layer, wherein, the first spray layer is arranged above support beam, and second spray layer is arranged below the same support beam.

[0008] In the utility model, the first spray layer placed above the support beam and the second spray layer placed below the support beam are fixed by the same support beam, thereby on the one hand, the investment cost of the support beam and the ammonia desulfurization spray system can be reduced, and on the other hand, the utilization rate of the ammonia desulfurization spray system can be improved; if one spray layer fails, the other spray layer can continue to be used, and the entire ammonia desulfurization spray system will not be shut down. In addition, since the first spray layer is arranged above the support beam, and the second spray layer is arranged below the same support beam, the installation, maintenance or replacement of the first spray layer and the second spray layer can be very conveniently carried out, wherein, any one spray layer can be quickly replaced and installed when it fails.

[0009] In some embodiments, the first spray layer and the second spray layer can work independently of each other, wherein only one of the first spray layer and the second spray layer can work, or the first spray layer and the second spray layer can work simultaneously, and a plurality of first nozzles are connected at the first spray layer, and a plurality of second nozzles are connected at the second spray layer, the first nozzles and the second nozzles being arranged below the second spray layer. Thus, when the first nozzles and the second nozzles are arranged below the second spray layer, the spray liquid from the first spray layer and the second spray layer will not splash onto the support beam and the second spray layer, preventing liquid blocking. In addition, since the first spray layer and the second spray layer can work independently of each other, they can work in single layer to achieve "one use and one standby", and they can also work simultaneously to improve the spraying effect.

[0010] In some embodiments, the first nozzles and the second nozzles are arranged on the same horizontal plane. Thus, good spraying effect of the first nozzles and the second nozzles can be achieved, and the spraying of the first nozzles and the second nozzles will not interfere or disturb each other. In addition, liquid blocking can be well prevented.

[0011] In some embodiments, the first spray layer and the second spray layer are constructed identically. Thus, the first spray layer and the second spray layer can have the same flow rate and specifications to achieve mutual standby.

[0012] In some embodiments, the first and second spray layers each have a pipe network structure for a distributed arrangement of the spray nozzles, the respective pipe network structure having spray substructures for connecting the respective spray nozzles, at which spray substructures pipe network outlets are provided, the first spray nozzles being connected via first connecting pipes to the pipe network outlets of the spray substructures of the first spray layer, and the second spray nozzles being connected via second connecting pipes to the pipe network outlets of the spray substructures of the second spray layer, wherein the first and second spray layers are configured or arranged such that the pipe network outlets of the spray substructures of the first spray layer and the pipe network outlets of the spray substructures of the second spray layer are staggered with respect to each other in a projection in the vertical direction; and / or the first connecting pipes are configured such that the first spray nozzles do not interfere with the second spray layer in the installed state of the first and second spray layers. Thereby, the configuration or arrangement of the first and second spray layers and / or the configuration of the first connecting pipes enables a staggered arrangement of the respective spray nozzles with respect to each other without interference or disturbance.

[0013] In some embodiments, the spray substructures of the first and second spray layers each extend perpendicular to a longitudinal direction of the first and second spray layers, wherein the first and second spray layers are arranged with respect to each other in the respective longitudinal direction staggered with respect to each other such that the respective pipe network outlets of the first and second spray layers are staggered with respect to each other in a projection in the vertical direction. Thereby, in case the spray substructures of the first and second spray layers each extend perpendicular to a longitudinal direction of the first and second spray layers, by arranging the first and second spray layers with respect to each other in the respective longitudinal direction staggered with respect to each other enables a staggered arrangement of the respective spray nozzles with respect to each other in case of a respective straight or linear extension of the connecting pipes.

[0014] In some embodiments, the spray substructures of the first spray layer and the spray substructures of the second spray layer extend obliquely to the longitudinal direction of the first spray layer and the second spray layer, respectively, wherein the first spray layer and the second spray layer are arranged offset to each other in the respective longitudinal direction, or the first spray layer is arranged in the respective longitudinal direction with a first orientation and the second spray layer is arranged in the respective longitudinal direction with a second orientation opposite to the first orientation, such that the respective pipe network outlets of the first spray layer and the second spray layer are at least partially offset to each other in a projection in the vertical direction. In the case that the spray substructures of the first spray layer and the spray substructures of the second spray layer extend obliquely to the longitudinal direction of the first spray layer and the second spray layer, respectively, the respective nozzles can be arranged offset to each other by the first spray layer and the second spray layer being arranged offset to each other in the respective longitudinal direction or by the first spray layer being arranged in the respective longitudinal direction with a first orientation and the second spray layer being arranged in the respective longitudinal direction with a second orientation opposite to the first orientation, in the case that the respective straight or linear extensions of the pipe connections are installed. Here, the first spray layer being arranged in the respective longitudinal direction with a first orientation and the second spray layer being arranged in the respective longitudinal direction with a second orientation opposite to the first orientation can be understood as the first spray layer and the second spray layer being arranged in a mutually inverted manner in the longitudinal direction, whereby the spray substructures of the first spray layer and the spray substructures of the second spray layer do not at least partially overlap when the spray substructures of the first spray layer and the spray substructures of the second spray layer extend obliquely to the longitudinal direction of the first spray layer and the second spray layer, respectively, and further ensure that the respective pipe network outlets of the spray substructures of the first spray layer and the spray substructures of the second spray layer are offset to each other in a vertical projection, such that the respective straight or linear extensions of the pipe connections can be installed.

[0015] In some embodiments, the first pipe connection has a laterally extending section which has a lateral dimension component in a projection in the longitudinal direction of the first pipe connection. By structurally "bending" the first pipe connection laterally, a possibility for the offset arrangement of the respective nozzles is thereby provided. Here, the laterally extending section does not only mean that the section extends perpendicular to the longitudinal direction of the first pipe connection, but also that the section has a lateral dimension component in a projection in the longitudinal direction of the first pipe connection, i.e. the laterally extending section can extend obliquely to the longitudinal direction of the first pipe connection.

[0016] In some embodiments, the first spray layer and the second spray layer are arranged congruently to each other in a projection in the vertical direction. Due to the laterally extending section of the first pipe connection, the first pipe connection does not interfere with the lower second spray layer even if the first spray layer and the second spray layer overlap each other.

[0017] In some embodiments, the length of the first connection pipe is designed such that the first nozzles connected to the first spray layer via the first connection pipe are arranged below the second spray layer. Thereby, an advantageous length of the first connection pipe can be achieved.

[0018] In some embodiments, the lengths of the first connection pipe and the second connection pipe are designed such that the first nozzles and the second nozzles are arranged on the same horizontal level. Thereby, an advantageous length of the first connection pipe and the second connection pipe can be achieved.

[0019] In some embodiments, the pipe network structure has a spray main pipe and spray branch pipes arranged on both sides of the spray main pipe, wherein the spray main pipe extends in the longitudinal direction of the pipe network structure and the spray branch pipes extend perpendicular or oblique to the spray main pipe as a spray substructure, wherein the pipe network outlets are arranged on the spray branch pipes. Thereby, an advantageous pipe network structure is obtained.

[0020] In some embodiments, the spray main pipe and the spray branch pipes are arranged such that the pipe network structure has a fishbone-like shape. Thereby, an advantageous pipe network structure shape is obtained.

[0021] In some embodiments, the second spray layer is fixed below the support beam by means of a support hook. Thereby, an advantageous way of fixing the second spray layer below the support beam is achieved.

[0022] In some embodiments, the ammonia desulphurization spray system further comprises a first circulation pump and a second circulation pump, the first circulation pump is connected with the first spray layer through a first pipeline, and the second circulation pump is connected with the second spray layer through a second pipeline, wherein a connecting pipeline is arranged between the first pipeline and the second pipeline. Thereby, by arranging the connecting pipeline between the first pipeline and the second pipeline, the mutual backup of the circulation pumps and the spray layers can be achieved.

[0023] In some embodiments, the first circulation pump and the second circulation pump are identically configured. Thereby, an advantageous mutual backup of the first circulation pump and the second circulation pump can be achieved.

[0024] In some embodiments, a switch valve is arranged on the connecting pipeline. Thereby, the connecting pipeline can be turned on or turned off when needed.

[0025] In some embodiments, only one first spray layer and only one second spray layer are arranged.

[0026] The second aspect of the utility model relates to an ammonia desulphurization equipment, the ammonia desulphurization equipment includes desulfurization tower and the ammonia desulphurization spray system according to the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0027] The utility model will be further explained below with reference to the illustrative drawings by the example embodiment. Wherein:

[0028] Figure 1 is a schematic side view of a double spray layer arrangement of an ammonia desulphurization spray system according to an embodiment of the present utility model arranged in an ammonia desulphurization plant.

[0029] Figure 2 is a schematic top view of a double spray layer arrangement of an ammonia desulphurization spray system according to an embodiment of the present utility model arranged in an ammonia desulphurization plant.

[0030] Figure 3 is a schematic view of a spray layer according to another embodiment of the present utility model.

[0031] Figure 4 is a schematic view of a spray layer according to another embodiment of the present utility model.

[0032] Figure 5 is a schematic view of an ammonia desulphurization plant comprising an ammonia desulphurization spray system according to an embodiment of the present utility model. DETAILED DESCRIPTION

[0033] In the following, a double spray layer arrangement of an ammonia desulphurization spray system according to an embodiment of the present utility model arranged in an ammonia desulphurization plant and the working mode of the ammonia desulphurization spray system are described. Figures 1 to 5 A double spray layer arrangement of an ammonia desulphurization spray system according to an embodiment of the present utility model arranged in an ammonia desulphurization plant and the working mode of the ammonia desulphurization spray system are described.

[0034] As shown in Figures 1 to 2 an ammonia desulphurization spray system for use in an ammonia desulphurization plant comprises a first spray layer 2, a second spray layer 3 and a support beam 4 for fixing the first spray layer 2 and the second spray layer 3. The support beam 4 is fixed, in particular welded, to the tower wall of the desulphurization tower 1. A support hook 5 is provided below the support beam 4. The first spray layer 2 is fixedly arranged above the support beam 4, while the second spray layer 3 is fixedly arranged below the same support beam 4 by means of the support hook 5.

[0035] A first nozzle 6 is connected at the first spray layer 2 via a first connection pipe 21 and a second nozzle 7 is connected at the second spray layer 3 via a second connection pipe 31. The first nozzle 6 and the second nozzle 7 are each connected with one end to the pipe network outlet of the respective first spray layer 2 and second spray layer 3 and with the other end to the respective first nozzle 6 and second nozzle 7. The first nozzle 6 and the second nozzle 7 are arranged below the second spray layer 3, preferably on the same level, in order to prevent the solution from washing over the nozzles or the second spray layer 3 or the support beam 4 located therebelow.

[0036] In the present embodiment, the first spray layer 2 and the second spray layer 3 are configured identically in structure. In further embodiments, the first spray layer 2 and the second spray layer 3 can also be configured differently, in particular differently in terms of the arrangement of the pipe network outlets, so that it can be ensured that the first nozzles 6 and the second nozzles 7 connected via the respective connection pipes to the pipe network outlets are staggered with respect to one another.

[0037] The first spray layer 2 and the second spray layer 3 each have a pipe network structure for a distributed arrangement of the nozzles. The respective pipe network structure has a spray substructure for connecting the respective nozzles, at which a pipe network outlet is provided, via which the respective nozzle can be connected. In the case of a spray layer arranged respectively above and below the support beam 4, one condition to be met is that the first nozzles 6 connected at the first spray layer 2 and the second nozzles 7 connected at the second spray layer 3 are staggered with respect to one another in the installed state, so that they do not interfere with one another. In order to achieve this, in addition to the different configurations of the first spray layer and the second spray layer structure mentioned above, the technical solutions described below can also be used.

[0038] In one embodiment, the spray substructure of the first spray layer 2 and the spray substructure of the second spray layer 3 each extend perpendicular to the longitudinal direction of the first spray layer 2 and the second spray layer 3, wherein the first spray layer 2 and the second spray layer 3 are arranged with respect to one another along the respective longitudinal direction in a staggered manner, so that the respective pipe network outlets of the first spray layer 2 and the second spray layer 3 are staggered with respect to one another in a projection in the vertical direction. Here, as is clear from Figure 1 and Figure 2 , the pipe network structure can have a spray main pipe 11 and spray branch pipes 12 arranged on both sides of the spray main pipe 11, which extend perpendicular to the spray main pipe 11 as spray substructures. In order to obtain a staggered arrangement of the nozzle arrangement, the first spray layer 2 and the second spray layer 3 can be arranged with respect to one another in a staggered manner along the longitudinal direction of the spray layer, as is shown in Figure 5 , wherein the first spray layer 2 and the second spray layer 3 are configured identically in structure with respect to one another. As a result, in the case of straight connection pipes for the first connection pipe 21 and the second connection pipe 31, the first nozzles 6 and the second nozzles 7 are also arranged in a staggered manner with respect to one another.

[0039] In further embodiments, the spray substructure can also be configured in other forms for the vertical arrangement of the spray substructure described above. For example, the spray substructure can also be configured as a meanderingly extending pipe network structure, as is shown in Figure 3 . The meandering spray substructure 13 in this meanderingly extending pipe network structure can likewise extend perpendicular to the longitudinal direction of the first spray layer 2 and the second spray layer 3. Thus, by staggering the two meanderingly extending pipe network structures with respect to one another along the longitudinal direction, it can also be ensured that the first nozzles 6 and the second nozzles 7 are arranged in a staggered manner with respect to one another.

[0040] In addition to this vertical arrangement of the spray substructures, it is also conceivable for the spray substructures of the first spray layer 2 and the spray substructures of the second spray layer 3 to extend obliquely to the longitudinal direction of the first spray layer 2 and the second spray layer 3, respectively, wherein the first spray layer 2 and the second spray layer 3 are arranged offset to one another in the respective longitudinal direction or the first spray layer 2 is arranged in the respective longitudinal direction in a first orientation and the second spray layer 3 is arranged in the respective longitudinal direction in a second orientation opposite the first orientation, such that the respective pipe network outlets of the first spray layer 2 and the second spray layer 3 are at least partially offset to one another in projection in the vertical direction. Here, as is clear from Figure 4 , the pipe network structure can likewise have a spray main pipe 11 and spray branch pipes 12 arranged on both sides of the spray main pipe 11, which extend obliquely to the spray main pipe 11 as spray substructures. In order to achieve an offset arrangement of the spray nozzles, in the oblique arrangement of the spray substructures, the first spray layer 2 and the second spray layer 3 can also be arranged offset to one another in the longitudinal direction, wherein the first spray layer 2 and the second spray layer 3 are constructed identically to one another. In contrast to the vertical arrangement of the spray substructures, in the oblique arrangement of the spray substructures there is also the possibility for the first spray layer 2 to be arranged in the respective longitudinal direction in a first orientation and the second spray layer 3 to be arranged in the respective longitudinal direction in a second orientation opposite the first orientation. That is, the first spray layer 2 and the second spray layer 3 are arranged in the longitudinal direction in a mutually inverted manner, so that the respective pipe network outlets of the two spray layers are also offset to one another in the case of the two spray layers being arranged upside down to one another. Thus, in the case of the first connection pipe 21 and the second connection pipe 31 both being straight connection pipes, the first spray nozzles 6 and the second spray nozzles 7 are also arranged offset to one another.

[0041] Figure 2 and Figure 4 Both of the pipe network structures shown in

[0042] In addition to the construction and arrangement of the spray layers, it is also conceivable for the first connection pipe 21 to be of a different construction form than a straight connection pipe. To this end, the first connection pipe 21 has a laterally extending section, which has a transverse dimensional component in projection in the longitudinal direction of the first connection pipe 21. In this case, the first spray layer 2 and the second spray layer 3 can be arranged coincidentally to one another in projection in the vertical direction, as is shown in Figure 2 . Thus, even if the first spray layer 2 and the second spray layer 3 are arranged coincidentally to one another, as is shown in Figure 2 , the first connection pipe 21 with the laterally extending section can be employed to ensure that the first spray nozzles 6 and the second spray nozzles 7 are arranged offset to one another.

[0043] AsFigure 1 As shown, the lengths of the first connector 21 and the second connector 31 can be designed such that the first nozzle 6 and the second nozzle 7 are positioned on the same horizontal plane. In other embodiments, the first connector 21 and the second connector 31 can also be designed with other lengths.

[0044] The following uses Figure 5 Describe the operation of the ammonia desulfurization spray system within the ammonia desulfurization equipment. For example... Figure 5 As shown, the ammonia desulfurization spray system also includes a first circulation pump 8 and a second circulation pump 9. The first circulation pump 8 is connected to the first spray layer 2 via a first pipeline, while the second circulation pump 9 is connected to the second spray layer 3 via a second pipeline. A connecting pipeline 10 is provided between the first and second pipelines. Here, the ammonia desulfurization solution can enter the corresponding first spray layer 2 and the corresponding second spray layer 3 through the corresponding first circulation pump 8 and the corresponding second circulation pump 9, and then be sprayed out through corresponding nozzles to contact the process gas. The solution falls into the solution collection device below, and then enters the corresponding first circulation pump 8 and the corresponding second circulation pump 9 again, thus circulating. By connecting the outlet pipes of the first circulation pump 8 and the second circulation pump 9, i.e., the first pipeline and the second pipeline, via the connecting pipeline 10, the corresponding circulation pumps and spray layers can be mutually redundant. For example, when one circulation pump cannot work, the other circulation pump can supply liquid to both spray layers simultaneously via the connecting pipeline 10. In one scenario, if the first spray layer 2 and the second circulation pump 9 malfunction, and the second spray layer 3 and the first circulation pump 8 can continue to operate, then the first circulation pump 8, which was originally responsible for supplying liquid to the first spray layer 2, can instead supply liquid to the second spray layer 3.

[0045] exist Figure 5 In the embodiment shown, no switching valve is provided on the connecting pipe 10. In order to achieve more precise operation control, a switching valve is also provided on the connecting pipe 10 in another embodiment.

[0046] It should be noted that the terminology used herein is for illustrative purposes only and is not intended to limit the disclosure. The singular forms “a” and “the one” as used herein should include the plural forms unless the context explicitly states otherwise. It is understood that the terms “comprising” and “including,” and other similar terms, when used in the application documents, specifically describe the presence of the stated operation, element, and / or component, without excluding the presence or addition of one or more other operations, elements, components, and / or combinations thereof. The term “and / or” as used herein includes all arbitrary combinations of one or more of the associated listed items. In the description of the drawings, similar reference numerals always denote similar elements.

[0047] The thicknesses of the elements in the figures can be exaggerated for clarity. It will be understood that when an element is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element or intervening elements can be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present. Other words used to describe the relationship between elements should be interpreted in a like fashion (e.g., "between" versus "directly between," "adjacent" versus "directly adjacent," etc.).

[0048] The terms "top," "bottom," "front," "back," "over," "under," and the like in the description and the claims, if any, are used for relative position only and do not deem to refer to an absolute position of an item described.

[0049] It is to be understood that the terms "first," "second," and the like, if any, can be used herein to describe various elements unless otherwise specified, the terms are not intended to mean that a combination of the individual elements so designated are essential to the practice of this application.

[0050] It is also to be understood that all the example embodiments disclosed herein can be combined with each other, in any manner. In addition, all the individual technical features in the present application can be combined with each other, as long as the technical features to be combined are not contradictory. All technically feasible combinations are included in the technical content of the present application.

[0051] Finally, it is to be pointed out that the above-described embodiments are only for the understanding of the present application and do not constitute a limitation on the scope of protection of the present application. Modifications can be made by those skilled in the art on the basis of the above-described embodiments, and these modifications do not depart from the scope of protection of the present application.

Claims

1. An ammonia-based desulfurization spray system, wherein the ammonia-based desulfurization spray system is configured for use in ammonia-based desulfurization equipment, characterized in that, The ammonia-based desulfurization spray system includes a first spray layer, a second spray layer, and a support beam for fixing the first and second spray layers. The first spray layer is arranged above the support beam, while the second spray layer is arranged below the same support beam.

2. The ammonia-based desulfurization spray system according to claim 1, characterized in that, The first spray layer and the second spray layer can operate independently of each other. Specifically, only one of the first and second spray layers can operate, or both can operate simultaneously. Multiple first nozzles are connected to the first spray layer, and multiple second nozzles are connected to the second spray layer. The first and second nozzles are located below the second spray layer.

3. The ammonia-based desulfurization spray system according to claim 1, characterized in that, The first nozzle and the second nozzle are positioned on the same horizontal plane.

4. The ammonia-based desulfurization spray system according to claim 1, characterized in that, The first and second spray layers are constructed identically.

5. The ammonia-based desulfurization spray system according to any one of claims 1 to 4, characterized in that, The first and second spray layers each have a pipe network structure for distributing nozzles. Each pipe network structure has a spray substructure for connecting a corresponding nozzle. A pipe network outlet is provided at each spray substructure. A first nozzle is connected to the pipe network outlet of the spray substructure of the first spray layer via a first connecting pipe, and a second nozzle is connected to the pipe network outlet of the spray substructure of the second spray layer via a second connecting pipe. The first and second spray layers are constructed or arranged such that the pipe outlets of the spray substructures of the first and second spray layers are offset from each other when viewed in a vertical projection; and / or The first nozzle is configured such that it does not interfere with the second spray layer when the first spray layer and the second spray layer are installed.

6. The ammonia-based desulfurization spray system according to claim 5, characterized in that, The length of the first connecting pipe is designed such that the first nozzle, which is connected to the first spray layer via the first connecting pipe, is positioned below the second spray layer.

7. The ammonia-based desulfurization spray system according to claim 6, characterized in that, The lengths of the first and second connecting pipes are designed such that the first and second nozzles are positioned on the same horizontal plane.

8. The ammonia-based desulfurization spray system according to claim 5, characterized in that, The pipeline structure has a main sprinkler pipe and sprinkler branch pipes extending from the main sprinkler pipe and located on both sides of the main sprinkler pipe. The main sprinkler pipe extends along the longitudinal direction of the pipeline structure, and the sprinkler branch pipes extend perpendicular to or inclined to the main sprinkler pipe as sprinkler substructures. The pipeline outlet is located on the sprinkler branch pipe.

9. The ammonia-based desulfurization spray system according to any one of claims 1 to 4, characterized in that, The second spray layer is fixed to the bottom of the support beam by support hooks.

10. The ammonia-based desulfurization spray system according to any one of claims 1 to 4, characterized in that, The ammonia desulfurization spray system also includes a first circulation pump and a second circulation pump. The first circulation pump is connected to the first spray layer through a first pipeline, and the second circulation pump is connected to the second spray layer through a second pipeline. A connecting pipeline is provided between the first pipeline and the second pipeline.

11. The ammonia-based desulfurization spray system according to claim 10, characterized in that, The first and second circulation pumps have the same construction.

12. An ammonia-based desulfurization device, characterized in that, The ammonia desulfurization equipment includes a desulfurization tower and an ammonia desulfurization spray system according to any one of claims 1 to 11.

Images