Liquid distributor and spray packed tower

Abstract

This utility model relates to a liquid distributor and a spray-packed tower. The liquid distributor includes a support base, multiple secondary liquid distribution tanks, and a primary liquid distribution tank. In use, the liquid sprayed from the spray pipe is evenly dispersed into the multiple secondary liquid distribution tanks through the primary liquid distribution tank. Through the first liquid distribution hole located on the bottom wall of the secondary liquid distribution tank and the overflow channel located on the side wall of the secondary liquid distribution tank, the liquid in each secondary liquid distribution tank is evenly sprayed onto the entire upper surface of the packing, ultimately ensuring that the entire packing is completely wetted by the liquid, achieving maximum desulfurization treatment. In this way, the liquid can be sent into the primary liquid distribution tank at a low altitude through the spray pipe, reducing the liquid spraying distance and increasing the packing arrangement space. At the same time, the setting of multiple secondary liquid distribution tanks and the first liquid distribution hole and overflow channel on each secondary liquid distribution tank greatly improves the uniformity of liquid spraying. The setting of the spray pipe and liquid distributor replaces the spiral nozzle in the traditional spray-packed tower, effectively reducing the later maintenance cost.

Description

Technical Field

[0001] This utility model relates to the field of spray packed tower technology, and in particular to a liquid distributor and a spray packed tower. Background Technology

[0002] Currently, most spray-packed towers employ a spray-plus-packing process for separation. This process relies on spiral nozzles to evenly distribute the liquid into the tank. However, regardless of the nozzle type, a considerable spraying distance is required to completely cover the tank, compressing the space available for the packing. Furthermore, spiral nozzles are expensive and prone to clogging after a period of use, resulting in significant maintenance costs. Utility Model Content

[0003] Therefore, it is necessary to provide a liquid distributor and spray packing tower that can increase the storage space of the packing, improve the uniformity of liquid spraying, and reduce the cost of subsequent maintenance.

[0004] A liquid distributor, comprising:

[0005] The support base is a ring-shaped structure;

[0006] Multiple elongated secondary liquid distribution tanks are spaced apart on the support base, with both ends of each secondary liquid distribution tank connected to the support base; the opening of each secondary liquid distribution tank is located on the side opposite to the support base; multiple first liquid distribution holes are spaced apart on the bottom wall of each secondary liquid distribution tank along its longitudinal direction; multiple overflow channels are spaced apart on at least one of the two opposite sidewalls of each secondary liquid distribution tank along its longitudinal direction.

[0007] A primary liquid distribution trough, which is elongated in shape, is disposed on the side of the plurality of secondary liquid distribution troughs away from the support base; the primary liquid distribution troughs and the secondary liquid distribution troughs are arranged intersectingly, and the opening of the primary liquid distribution trough is located on the side away from the secondary liquid distribution troughs; a second liquid distribution hole is provided on the bottom wall of the primary liquid distribution trough at a position opposite to the opening of each secondary liquid distribution trough.

[0008] In one embodiment, the overflow channel is an overflow hole formed on the side wall of the secondary liquid distribution tank.

[0009] In one embodiment, the overflow orifice is located on the side wall of the secondary liquid distribution tank near the bottom wall of the secondary liquid distribution tank.

[0010] In one embodiment, the overflow channel is an overflow trough formed at the edge of the trough opening on the sidewall of the secondary liquid distribution trough.

[0011] In one embodiment, in each of the primary liquid distribution channels, the diameter of the second liquid distribution hole gradually decreases along the direction from the middle to both ends of the primary liquid distribution channel.

[0012] In one embodiment, among the plurality of secondary liquid distribution tanks, the two outermost secondary liquid distribution tanks have a plurality of overflow channels on their sidewalls facing the adjacent secondary liquid distribution tank, and the other two secondary liquid distribution tanks have a plurality of overflow channels on their opposite sidewalls.

[0013] In one embodiment, the support base includes an annular support ring rib and a plurality of reinforcing ribs; the plurality of reinforcing ribs are fixed at intervals along the circumference of the support ring rib to one side of the support ring rib; the two ends of the secondary liquid distribution groove are fixed to the side of the support ring rib opposite to the reinforcing ribs.

[0014] In one embodiment, the width of the support ring in its diametrical direction is less than or equal to 5% of its outer diameter.

[0015] A spray-packed tower includes a tower body, packing material, and a liquid distributor and spray pipe as described above. The packing material is suspended within the tower body. A support base is fixed within the tower body and located above the packing material. A secondary liquid distribution trough is located on the side of the support base away from the packing material. The spray pipe is horizontally arranged within the tower body and located above the primary liquid distribution trough. Multiple spray holes are spaced apart along the longitudinal direction on the sidewall of the spray pipe facing the primary liquid distribution trough. The orthographic projection of each spray hole onto the primary liquid distribution trough is located within the opening of the primary liquid distribution trough.

[0016] In one embodiment, the system further includes an installation sleeve and a liquid delivery pipe; one end of the installation sleeve is fixed to a side wall inside the tower body; a liquid inlet is provided on the side wall inside the tower body opposite to the installation sleeve; the liquid delivery pipe passes through and is fixed to the liquid inlet, with one end extending to the outside of the tower body and the other end extending into the tower body; one end of the spray pipe passes through the installation sleeve, and the other end is detachably connected to the end of the liquid delivery pipe located inside the tower body.

[0017] In operation, the aforementioned liquid distributor and spray-packed tower evenly distribute the liquid sprayed from the spray pipes into multiple secondary distribution tanks via a primary liquid distribution system. Through the first distribution hole located on the bottom wall of each secondary distribution tank and the overflow channel located on the side wall, the liquid in each secondary distribution tank is evenly sprayed onto the entire upper surface of the packing material, ultimately ensuring complete liquid immersion and maximizing desulfurization. Therefore, the liquid distributor allows liquid to be delivered into the primary distribution tanks at low altitude via spray pipes, significantly reducing the liquid spraying distance and effectively increasing the packing material arrangement space. Simultaneously, the multiple secondary distribution tanks, along with the first distribution hole and overflow channel on each tank, greatly improve the uniformity of liquid distribution. The spray pipes and liquid distributor replace the spiral nozzles in traditional spray-packed towers, effectively reducing subsequent maintenance costs. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the spray packing tower in a preferred embodiment of the present invention;

[0019] Figure 2 This is a schematic diagram of the installation state between the liquid distributor and the spray pipe in one embodiment of the present invention;

[0020] Figure 3 for Figure 2 A schematic diagram of the secondary liquid distribution tank in the liquid distributor shown;

[0021] Figure 4 This is a schematic diagram showing the installation state between the liquid distributor and the spray pipe in another embodiment of the present invention;

[0022] Figure 5 for Figure 4 A schematic diagram of the secondary liquid distribution tank in the liquid distributor shown;

[0023] Figure 6 for Figure 2 and Figure 4 A schematic diagram of the structure of the primary liquid distribution tank in the liquid distributor shown.

[0024] The reference numerals are as follows: 10, Spray-packed tower; 100, Tower body; 200, Packing; 300, Liquid distributor; 310, Support base; 311, Support ring rib; 312, Reinforcing rib plate; 320, Secondary liquid distribution tank; 321, First liquid distribution hole; 322, Overflow channel; 330, Primary liquid distribution tank; 331, Second liquid distribution hole; 400, Spray pipe; 410, Spray nozzle; 500, Installation sleeve; 600, Liquid delivery pipe. Detailed Implementation

[0025] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0027] When describing positional relationships, unless otherwise specified, when an element is referred to as being "on" another element, it may be directly on the other element or there may be intermediate elements. It is also understood that when an element is referred to as being "between" two elements, it may be the only one between the two elements, or there may be one or more intermediate elements.

[0028] When using the terms “including,” “having,” and “comprising” as described herein, another component may be added unless explicitly qualifying terms such as “only,” “consisting of,” etc. are used. Unless otherwise stated, singular terms may include plural forms and should not be construed as having a quantity of one.

[0029] Please see Figure 1 This utility model provides a liquid distributor 300 and a spray packed tower 10. The spray packed tower 10 includes a tower body 100, packing 200, a liquid distributor 300, and a spray pipe 400.

[0030] The packing material 200 is suspended within the tower body 100. The liquid distributor 300 is located within the tower body 100, above the packing material 200. The spray pipe 400 is horizontally positioned within the tower body 100, above the liquid distributor 300. Multiple spray holes are spaced along the longitudinal direction on the sidewall of the spray pipe 400 facing the liquid distributor 300. One end of the spray pipe 400 is connected to a dosing device. The dosing device supplies the liquid to be sprayed to the spray pipe 400. The liquid distributor 300 receives the liquid sprayed from the multiple spray holes within the spray pipe 400 and evenly distributes the liquid across the entire upper surface of the packing material 200.

[0031] Specifically, the spray-packed tower 10 also includes an installation sleeve 500 and a liquid delivery pipe 600. One end of the installation sleeve 500 is fixed to the side wall inside the tower body 100. An inlet (not shown) is provided on the side wall inside the tower body 100 opposite to the installation sleeve 500. The liquid delivery pipe 600 passes through and is fixed to the inlet, with one end extending outside the tower body 100 and the other end extending inside the tower body 100. One end of the spray pipe 400 passes through the installation sleeve 500, and the other end is detachably connected to the end of the liquid delivery pipe 600 located inside the tower body 100, thus being arranged laterally inside the tower body 100. Therefore, during the assembly of the spray-packed tower 10, after the packing 200 and the liquid distributor 300 are installed in place, it is only necessary to insert one end of the spray pipe 400 into the installation sleeve 500 and detachably connect the other end to the end of the liquid delivery pipe 600 located inside the tower body 100, which is convenient and quick. In addition, even if some spray holes of the spray pipe 400 become clogged during long-term use, the spray pipe 400 can be removed for cleaning and then reinstalled, making maintenance very convenient.

[0032] The end of the spray pipe 400 away from the mounting sleeve 500 can be sleeved on one end of the liquid delivery pipe 600, inserted into one end of the liquid delivery pipe 600, or detachably connected to one end of the liquid delivery pipe 600 through a connector or other connecting structure.

[0033] Please refer to the following: Figure 2 and Figure 4 In a preferred embodiment of the present invention, the liquid distributor 300 includes a support base 310, a plurality of elongated secondary liquid distribution tanks 320 and an elongated primary liquid distribution tank 330.

[0034] The support base 310 is an annular structure. In the spray packed tower 10, the support base 310 is fixed inside the tower body 100 and located above the packing 200.

[0035] Please refer to the following: Figure 3 and Figure 5 Multiple secondary liquid distribution tanks 320 are spaced apart on the support base 310, with both ends of each secondary liquid distribution tank 320 connected to the support base 310. Specifically, the multiple secondary liquid distribution tanks 320 are parallel and spaced apart on the support base 310. Of course, in other embodiments, the multiple secondary liquid distribution tanks 320 may not be completely parallel. The opening of each secondary liquid distribution tank 320 is located on the side opposite to the support base 310. The bottom wall of each secondary liquid distribution tank 320 has multiple first liquid distribution holes 321 spaced apart along its longitudinal direction. On at least one of the two opposite side walls of each secondary liquid distribution tank 320 in the spaced direction, multiple overflow channels 322 are spaced apart along its longitudinal direction.

[0036] Please refer to the following: Figure 6A primary liquid distribution tank 330 is disposed on the side of the plurality of secondary liquid distribution tanks 320 opposite to the support base 310. The primary liquid distribution tank 330 and the secondary liquid distribution tanks 320 are arranged intersectingly, and the opening of the primary liquid distribution tank 330 is located on its side opposite to the secondary liquid distribution tanks 320. A second liquid distribution hole 331 is provided on the bottom wall of the primary liquid distribution tank 330 at a position opposite to the opening of each secondary liquid distribution tank 320. Specifically, when the plurality of secondary liquid distribution tanks 320 are arranged in parallel and at intervals, the primary liquid distribution tank 330 and each secondary liquid distribution tank 320 are perpendicular to each other.

[0037] In the spray packed tower 10, the spray pipe 400 is located above the primary liquid distribution tank 330. The side wall of the spray pipe 400 facing the primary liquid distribution tank 330 is provided with multiple spray holes spaced apart along the longitudinal direction. The orthographic projection of each spray hole on the primary liquid distribution tank 330 is located in the slot of the primary liquid distribution tank 330.

[0038] When liquid for purifying sulfur-containing gases needs to be sprayed onto the packing 200 in the spray tower 10, the liquid in the spray pipe 400 flows evenly into the primary liquid distribution tank 330 through multiple spray nozzles 410 to buffer the liquid. The liquid in the primary liquid distribution tank 330 is dispersed into multiple secondary liquid distribution tanks 320 through multiple second liquid distribution holes 331 to evenly distribute the liquid into the multiple secondary liquid distribution tanks 320. Through multiple first liquid distribution holes 321 located at the bottom of the secondary liquid distribution tank 320 and multiple overflow channels 322 located on the side wall of the secondary liquid distribution tank 320, the liquid in each secondary liquid distribution tank 320 is evenly sprayed onto the upper surface of the packing 200, eventually slowly making the entire packing 200 completely wetted by the liquid, achieving maximum desulfurization treatment.

[0039] Therefore, in the liquid distributor 300, the liquid can be sent into the primary liquid distribution tank 330 at low altitude through the spray pipe 400, which greatly reduces the liquid spraying distance and effectively increases the arrangement space of the packing 200. At the same time, the setting of multiple secondary liquid distribution tanks 320 and multiple first liquid distribution holes 321 and multiple overflow channels 322 on each secondary liquid distribution tank 320 greatly improves the uniformity of liquid distribution. The setting of the spray pipe 400 and the liquid distributor 300 replaces the spiral nozzle in the traditional spray packing tower 10, effectively reducing the later maintenance cost.

[0040] Please refer to it again. Figure 2 and Figure 3 In one embodiment of this utility model, the overflow channel 322 is an overflow hole formed on the side wall of the secondary liquid distribution tank 320. Thus, during the manufacturing process of the liquid distributor 300, the overflow channel 322 is obtained by forming an overflow hole penetrating the side wall of the secondary liquid distribution tank 320 perpendicular to the spacing direction of the secondary liquid distribution tank 320.

[0041] In order to ensure that more liquid in the secondary liquid distribution tank 320 can overflow from the side wall of the secondary liquid distribution tank 320, and to ensure that the secondary liquid distribution tank 320 sprays liquid from the bottom and the side at the same time, specifically, the overflow hole is located on the side wall of the secondary liquid distribution tank 320 near the bottom wall of the secondary liquid distribution tank 320.

[0042] Please refer to it again. Figure 4 and Figure 5 In another embodiment of this utility model, the overflow channel 322 is an overflow groove formed at the edge of the groove opening on the sidewall of the secondary liquid distribution tank 320. Thus, during the manufacturing process of the liquid distributor 300, it is only necessary to create an overflow groove at the edge of the groove opening on the sidewall of the secondary liquid distribution tank 320 perpendicular to the spacing direction of the secondary liquid distribution tank 320 to obtain the overflow channel 322. The overflow groove can be a serrated through groove, a rectangular through groove, a trapezoidal through groove, a semi-circular through groove, etc., as long as it can achieve liquid overflow within the secondary liquid distribution tank 320. Specifically, in this embodiment, the overflow groove is a serrated through groove.

[0043] In some embodiments, in each primary liquid distribution tank 330, the diameter of the second liquid distribution hole 331 gradually decreases along the direction from the middle to both ends of the primary liquid distribution tank 330.

[0044] In the liquid distributor 300, because the support base 310 has a ring structure, specifically a circular ring structure, and both ends of each secondary liquid distribution tank 320 are connected to the support base 310, the secondary liquid distribution tank 320 in the middle of the multiple secondary liquid distribution tanks 320 has the longest length in the interval direction, and then the length decreases from the middle to both sides. In this way, the multiple second liquid distribution holes 331 at the bottom of the primary liquid distribution tank 330 are set so that the diameter of the middle hole is large and the diameter decreases from the middle to both sides. This ensures that when the primary liquid distribution tank 330 distributes liquid to the multiple secondary liquid distribution tanks 320, the flow rate of the middle second liquid distribution hole 331 is the largest, and the flow rate of the second liquid distribution holes 331 on both sides gradually decreases. This avoids the situation where the liquid level in some secondary liquid distribution tanks 320 is too high while the liquid volume in other liquid distribution tanks is insufficient, ensuring that the liquid flow rate of the multiple secondary liquid distribution tanks 320 is basically the same, and further improving the uniformity of liquid distribution of the liquid distributor 300.

[0045] In some embodiments, among the multiple secondary liquid distribution tanks 320, the two outermost secondary liquid distribution tanks 320 have multiple overflow channels 322 on their sidewalls facing the adjacent secondary liquid distribution tank 320, and the other two secondary liquid distribution tanks 320 have multiple overflow channels 322 on their opposite sidewalls. In this way, while ensuring that the multiple secondary liquid distribution tanks 320 can simultaneously spray liquid from the bottom and sides, liquid overflow from the outermost two secondary liquid distribution tanks 320 is avoided. This reduces the possibility of a large amount of liquid accumulating between the outermost secondary liquid distribution tank 320 on the support 310 and the inner wall of the tower body 100, further ensuring the uniformity of liquid spraying by the liquid distributor 300.

[0046] Of course, in other embodiments, in all secondary liquid distribution tanks 320, multiple overflow channels 322 are provided on the two opposite side walls perpendicular to the interval direction of the secondary liquid distribution tank 320.

[0047] Please refer to it again. Figure 2 and Figure 4 In some embodiments, the support base 310 includes an annular support ring rib 311 and a plurality of reinforcing ribs 312. The plurality of reinforcing ribs 312 are fixedly fixed to one side of the support ring rib 311 at circumferential intervals. The two ends of the secondary liquid distribution trough 320 are fixed to the side of the support ring rib 311 opposite to the reinforcing ribs 312. In the spray-packed tower 10, the outer periphery of the support ring rib 311 is fixedly connected to the inner wall of the tower body 100, and the two sides of each reinforcing rib 312 are respectively fixedly connected to the side of the support ring rib 311 opposite to the secondary liquid distribution trough 320 and to the inner wall of the tower body 100.

[0048] Thus, by setting the support base 310 as a support ring rib 311 and multiple reinforcing ribs 312, it is ensured that the liquid in the secondary liquid distribution tank 320 is evenly and smoothly distributed on the upper surface of the packing 200, and that the support base 310 has high support strength and connection strength.

[0049] Furthermore, in some embodiments, the width of the support ring 311 in its diametrical direction is less than or equal to 5% of its outer diameter. That is, in the spray packed tower 10, the width of the support ring 311 in the diametrical direction of the tower body 100 is less than or equal to 5% of the inner diameter of the tower body 100. In this way, the support ring 311 is a narrow annular structure, which can minimize the interference with the gas flow inside the tower body 100 and ensure the stability of the gas flow inside the tower body 100.

[0050] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0051] The above-described embodiments are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the inventive concept, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A liquid distributor, characterized in that, include: The support base is a ring-shaped structure; Multiple elongated secondary liquid distribution tanks are spaced apart on the support base, with both ends of each secondary liquid distribution tank connected to the support base; the opening of each secondary liquid distribution tank is located on the side opposite to the support base; multiple first liquid distribution holes are spaced apart on the bottom wall of each secondary liquid distribution tank along its longitudinal direction; multiple overflow channels are spaced apart on at least one of the two opposite sidewalls of each secondary liquid distribution tank along its longitudinal direction. A primary liquid distribution trough, which is elongated in shape, is disposed on the side of the plurality of secondary liquid distribution troughs away from the support base; the primary liquid distribution troughs and the secondary liquid distribution troughs are arranged intersectingly, and the opening of the primary liquid distribution trough is located on the side away from the secondary liquid distribution troughs; a second liquid distribution hole is provided on the bottom wall of the primary liquid distribution trough at a position opposite to the opening of each secondary liquid distribution trough.

2. The liquid distributor according to claim 1, characterized in that, The overflow channel is an overflow hole opened on the side wall of the secondary liquid distribution tank.

3. The liquid distributor according to claim 2, characterized in that, The overflow hole is located on the side wall of the secondary liquid distribution tank, near the bottom wall of the secondary liquid distribution tank.

4. The liquid distributor according to claim 1, characterized in that, The overflow channel is an overflow channel formed at the edge of the groove opening on the side wall of the secondary liquid distribution tank.

5. The liquid distributor according to claim 1, characterized in that, In each of the primary liquid distribution channels, the diameter of the second liquid distribution hole gradually decreases along the direction from the middle to both ends of the primary liquid distribution channel.

6. The liquid distributor according to claim 1, characterized in that, Among the multiple secondary liquid distribution tanks, the two outermost secondary liquid distribution tanks have multiple overflow channels on their sidewalls facing the adjacent secondary liquid distribution tank, and the other two secondary liquid distribution tanks have multiple overflow channels on their opposite sidewalls.

7. The liquid distributor according to claim 1, characterized in that, The support base includes an annular support ring rib and multiple reinforcing ribs; the multiple reinforcing ribs are fixed at intervals along the circumference of the support ring rib to one side of the support ring rib; the two ends of the secondary liquid distribution groove are fixed to the side of the support ring rib away from the reinforcing ribs.

8. The liquid distributor according to claim 7, characterized in that, The width of the supporting ring bar in its diametrical direction is less than or equal to 5% of its outer diameter.

9. A spray-packed tower, characterized in that, The system includes a tower body, packing material, and a liquid distributor and spray pipe as described in any one of claims 1 to 8; the packing material is suspended within the tower body; the support base is fixed within the tower body and located above the packing material; the secondary liquid distribution trough is located on the side of the support base away from the packing material; the spray pipe is horizontally arranged within the tower body and located above the primary liquid distribution trough; the sidewall of the spray pipe facing the primary liquid distribution trough has multiple spray holes spaced apart along its longitudinal direction; and the orthographic projection of each spray hole on the primary liquid distribution trough is located within the opening of the primary liquid distribution trough.

10. The spray-packed tower according to claim 9, characterized in that, It also includes an installation sleeve and a liquid delivery pipe; one end of the installation sleeve is fixed to the side wall inside the tower body; a liquid inlet is provided on the side wall inside the tower body opposite to the installation sleeve; the liquid delivery pipe passes through and is fixed to the liquid inlet, with one end extending to the outside of the tower body and the other end extending into the tower body; one end of the spray pipe passes through the installation sleeve, and the other end is detachably connected to the end of the liquid delivery pipe located inside the tower body.

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