CN218653845U - A horizontal dry desulfurization device - Google Patents

A horizontal dry desulfurization device Download PDF

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CN218653845U
CN218653845U CN202222835609.3U CN202222835609U CN218653845U CN 218653845 U CN218653845 U CN 218653845U CN 202222835609 U CN202222835609 U CN 202222835609U CN 218653845 U CN218653845 U CN 218653845U
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gas
desulfurizer
box
device body
gas distribution
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谭瑞春
段有龙
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Acre Coking and Refractory Engineering Consulting Corp MCC
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Acre Coking and Refractory Engineering Consulting Corp MCC
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Abstract

The utility model relates to a horizontal dry desulphurization device, which comprises a device body, a gas inlet pipe, a gas outlet pipe, an inlet gas distribution plate, an outlet gas distribution plate, a desulfurizer box and a seal box; a plurality of layers of desulfurizer boxes are arranged in the device body, an inlet gas distribution channel is arranged below the desulfurizer boxes, and an outlet gas distribution channel is arranged above the desulfurizer boxes; a gas inlet pipe and a gas outlet pipe are arranged outside the device body; the desulfurizer box adopts a pull-out structure, and a seal box is arranged outside the device body at the extraction end of the desulfurizer box. In the device, coal gas flows through the multilayer desulfurizing agent boxes from bottom to top in sequence and uniformly, so that the desulfurizing effect is good, and the equipment utilization rate is high; the desulfurizer box adopts a drawing structure, the desulfurizer is convenient to draw out and replace, the structure is simple, the equipment universality is good, and the modularized structure can be applied as a large-scale desulfurization device after being adaptable to combination.

Description

一种卧式干法脱硫装置A horizontal dry desulfurization device

技术领域technical field

本实用新型涉及煤气脱硫技术领域,尤其涉及一种卧式干法脱硫装置。The utility model relates to the technical field of coal gas desulfurization, in particular to a horizontal dry desulfurization device.

背景技术Background technique

煤气中的硫绝大部分以H2S的形式存在,而H2S随煤气燃烧后转化成SO2,空气中SO2含量超标会形成局域性酸雨,危害人们的生存环境;另一方面,煤气中的H2S还会腐蚀设备和管道,影响工艺系统的正常运行。因此,煤气中H2S的脱除程度业已成为其洁净度的一个重要指标。Most of the sulfur in the gas exists in the form of H 2 S, and H 2 S is converted into SO 2 after the gas is burned. If the SO 2 content in the air exceeds the standard, local acid rain will be formed, which will endanger people's living environment; on the other hand , H 2 S in the gas will also corrode equipment and pipelines, affecting the normal operation of the process system. Therefore, the removal degree of H 2 S in gas has become an important indicator of its cleanliness.

煤气脱硫有干法和湿法两大类,干法脱硫是一种传统的煤气脱硫工艺,其工艺简单,除脱除H2S外,还能不同程度脱除HCN、NOx及萘、焦油雾等杂质。目前,干法脱硫工艺常用的主要脱硫设备有包括干箱脱硫装置、固定床层干法脱硫塔、七筐式干法脱硫塔等。这些类型的脱硫设备结构较复杂,更换干法脱硫剂困难且劳动强度大,在工程应用中有较大的局限性;同时,由于干法脱硫的煤气处理量越来越大,往往要求多台套设备组合运行,而上述设备无法满足装置大规模组合化的要求。There are two types of gas desulfurization: dry method and wet method. Dry desulfurization is a traditional gas desulfurization process. Its process is simple. In addition to removing H 2 S, it can also remove HCN, NOx, naphthalene and tar mist to varying degrees. and other impurities. At present, the main desulfurization equipment commonly used in the dry desulfurization process includes dry box desulfurization devices, fixed bed dry desulfurization towers, seven-basket dry desulfurization towers, etc. The structure of these types of desulfurization equipment is relatively complex, and it is difficult to replace the dry desulfurization agent and the labor intensity is high, which has great limitations in engineering applications; at the same time, due to the increasing gas processing capacity of dry desulfurization, multiple units are often required The above-mentioned equipment cannot meet the requirements of large-scale combination of equipment.

授权公告号为CN 203833904 U的中国实用新型专利公开了一种“适用于发生炉煤气干法脱硫的装置”,包括顶端敞口的筒体,盖在所述筒体敞口处的放散盖,以及逐层设置在所述筒体内的支撑架,所述支撑架内放置有脱硫剂,上、下相邻两层脱硫剂之间留有煤气通道;所述筒体的侧壁上形成有煤气进口和煤气出口,所述煤气进口和煤气出口分布在筒体的直径的两端;所述筒体的侧壁上还形成有用于放置支撑架的筒体凸台。该装置中,煤气进口和煤气出口在筒体两侧相对设置,虽然设置有多层脱硫剂,但煤气很容易通过煤气进口-煤气出口这一最短路径直接流过,起不到脱硫的目的;另外,其每层脱硫剂之间留有煤气通道,但可以预见的是,煤气进入装置后自煤气进口-煤气出口所在一层向上或向下流动量逐渐减小,因此设备利用率低,煤气脱硫效果难以保证。The Chinese utility model patent whose authorized notification number is CN 203833904 U discloses a "dry desulfurization device suitable for producer gas", which includes a cylinder with an open top, a diffuser cover at the opening of the cylinder, And the support frame arranged in the cylinder body layer by layer, the desulfurizer is placed in the support frame, and there is a gas channel between the upper and lower adjacent layers of desulfurizer; the gas channel is formed on the side wall of the cylinder body. Inlet and gas outlet, the gas inlet and gas outlet are distributed at both ends of the cylinder diameter; cylinder bosses for placing support frames are also formed on the side walls of the cylinder. In this device, the gas inlet and the gas outlet are set opposite to each other on both sides of the cylinder. Although there are multiple layers of desulfurizers, the gas easily flows through the shortest path from the gas inlet to the gas outlet, and the purpose of desulfurization cannot be achieved; In addition, there is a gas channel between each layer of desulfurizer, but it is foreseeable that after the gas enters the device, the amount of gas flowing upward or downward from the layer where the gas inlet-gas outlet is located gradually decreases, so the utilization rate of the equipment is low. The desulfurization effect is difficult to guarantee.

为了克服现有技术的缺点,需要开发一种新型干法脱硫设备,其应具备便捷更换脱硫剂、密封结构简单、设备通用性好、适合大规模脱硫装置应用等功能。In order to overcome the shortcomings of the existing technology, it is necessary to develop a new type of dry desulfurization equipment, which should have the functions of convenient replacement of desulfurization agent, simple sealing structure, good equipment versatility, and suitable for large-scale desulfurization device applications.

发明内容Contents of the invention

本实用新型提供了一种卧式干法脱硫装置,在装置内部,煤气自下向上依次且均匀流过多层脱硫剂箱,脱硫效果好,设备利用率高;脱硫剂箱采用抽拉结构,方便抽出更换脱硫剂,结构简单、设备通用性好,模块化结构可适应组合后作为大规模脱硫装置应用。The utility model provides a horizontal dry desulfurization device. Inside the device, the gas flows through the multi-layer desulfurizer box sequentially and evenly from bottom to top, so that the desulfurization effect is good and the utilization rate of the equipment is high; the desulfurizer box adopts a pull-out structure, It is convenient to extract and replace the desulfurizing agent, the structure is simple, the equipment has good versatility, and the modular structure can be adapted to be used as a large-scale desulfurization device after combination.

为了达到上述目的,本实用新型采用以下技术方案实现:In order to achieve the above object, the utility model adopts the following technical solutions to realize:

一种卧式干法脱硫装置,包括装置本体、煤气进口管、煤气出口管、进口布气板、出口布气板、脱硫剂箱及密封箱;所述装置本体内沿高向设若干层脱硫剂箱,脱硫剂箱下方的装置本体内设进口布气通道,进口布气通道的顶部设进口布气板;脱硫剂箱上方的装置本体内设出口布气通道,出口布气通道的底部设出口布气板;进口布气通道一端的装置本体外部设煤气进口管,出口布气通道一端的装置本体外部设煤气出口管;脱硫剂箱采用抽拉式结构,脱硫剂箱抽出端的装置本体外部设密封箱。A horizontal dry desulfurization device, including a device body, a gas inlet pipe, a gas outlet pipe, an inlet gas distribution plate, an outlet gas distribution plate, a desulfurizer box, and a sealing box; several desulfurization layers are arranged in the body of the device along the height direction The device body below the desulfurizer box is equipped with an inlet air distribution channel, and the top of the inlet air distribution channel is provided with an inlet air distribution plate; the device body above the desulfurizer box is provided with an outlet air distribution channel, and the bottom of the outlet air distribution channel is installed The outlet gas distribution plate; the gas inlet pipe is installed outside the device body at one end of the inlet gas distribution channel, and the gas outlet pipe is installed outside the device body at one end of the outlet gas distribution channel; the desulfurizer box adopts a pull-out structure, and the device body at the extraction end A sealed box is provided.

进一步的,所述脱硫剂箱由箱体及置于箱体内的脱硫剂层组成,箱体的底板采用栅板结构。Further, the desulfurizer box is composed of a box body and a desulfurizer layer placed in the box body, and the bottom plate of the box body adopts a grid structure.

进一步的,所述装置本体与对应脱硫剂箱的箱体之间设滑动连接结构或滚动连接结构,使脱硫剂箱的箱体能够沿装置本体进行抽拉动作。Further, a sliding connection structure or a rolling connection structure is provided between the device body and the corresponding desulfurizer tank body, so that the desulfurizer tank body can be pulled along the device body.

进一步的,所述煤气进口管、煤气出口管设于装置本体的同一端。Further, the gas inlet pipe and the gas outlet pipe are arranged at the same end of the device body.

进一步的,所述煤气进口管、煤气出口管的结构相同,均采用管道一端截面为圆形、另一端截面为矩形的结构;圆形截面一端用于连接外部的煤气输送管道,矩形截面一端用于连接对应的进口布气通道或出口布气通道。Further, the structure of the gas inlet pipe and the gas outlet pipe are the same, both of which have a circular section at one end and a rectangular section at the other end; one end of the circular section is used to connect to the external gas pipeline, and the other end of the rectangular section is used for To connect the corresponding inlet air distribution channel or outlet air distribution channel.

进一步的,所述密封箱的一端设密封箱盖,另一端设密封箱法兰;密封箱通过密封箱法兰与装置本体固定连接。Further, one end of the sealing box is provided with a sealing box cover, and the other end is provided with a sealing box flange; the sealing box is fixedly connected to the device body through the sealing box flange.

与现有技术相比,本实用新型的有益效果是:Compared with the prior art, the beneficial effects of the utility model are:

1)在装置内部,煤气自下向上依次且均匀流过多层脱硫剂箱,脱硫效果好,设备利用率高;1) Inside the device, the gas flows through the multi-layer desulfurizer box sequentially and evenly from bottom to top, so the desulfurization effect is good and the equipment utilization rate is high;

2)脱硫剂箱采用抽拉结构,方便抽出更换脱硫剂;2) The desulfurizer box adopts a pull-out structure, which is convenient for pulling out and replacing the desulfurizer;

3)结构简单、设备通用性好,模块化结构可适应组合后作为大规模脱硫装置应用。3) The structure is simple, the equipment has good versatility, and the modular structure can be adapted to be used as a large-scale desulfurization device after combination.

附图说明Description of drawings

构成本实用新型的一部分的附图用来提供对本实用新型的进一步理解,本实用新型的示意性实施例及其说明用于解释本实用新型,并不构成对本实用新型的不当限定。在附图中:The accompanying drawings constituting a part of the utility model are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute improper limitations to the utility model. In the attached picture:

图1是本实用新型所述卧式干法脱硫装置的主视图。Fig. 1 is a front view of the horizontal dry desulfurization device described in the utility model.

图2是图1的左视图。Fig. 2 is a left side view of Fig. 1 .

图3是图1的右视图。Fig. 3 is a right side view of Fig. 1 .

附图标记说明:Explanation of reference signs:

图中:1.煤气进口管 2.煤气出口管 3.进口布气板 4.出口布气板 5.脱硫剂箱6.密封箱7.密封箱盖In the figure: 1. Gas inlet pipe 2. Gas outlet pipe 3. Import gas distribution plate 4. Export gas distribution plate 5. Desulfurizer box 6. Seal box 7. Seal box cover

具体实施方式Detailed ways

需要说明的是,在不冲突的情况下,本实用新型中的实施例及实施例中的特征可以相互组合。It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

在本实用新型的描述中,需要理解的是,术语“中心”、“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本实用新型和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本实用新型的限制。此外,术语“第一”、“第二”等仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”等的特征可以明示或者隐含地包括一个或者更多个该特征。在本实用新型的描述中,除非另有说明,“多个”的含义是两个或两个以上。In describing the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention. Novel and simplified descriptions do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the utility model. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

在本实用新型的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以通过具体情况理解上述术语在本实用新型中的具体含义。In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention through specific situations.

下面结合附图对本实用新型的具体实施方式作进一步说明:The specific embodiment of the utility model will be further described below in conjunction with accompanying drawing:

如图1-图3所示,本实用新型所述一种卧式干法脱硫装置,包括装置本体、煤气进口管1、煤气出口管2、进口布气板3、出口布气板4、脱硫剂箱5及密封箱6;所述装置本体内沿高向设若干层脱硫剂箱5,脱硫剂箱5下方的装置本体内设进口布气通道,进口布气通道的顶部设进口布气板3;脱硫剂箱5上方的装置本体内设出口布气通道,出口布气通道的底部设出口布气板4;进口布气通道一端的装置本体外部设煤气进口管1,出口布气通道一端的装置本体外部设煤气出口管2;脱硫剂箱5采用抽拉式结构,脱硫剂箱5抽出端的装置本体外部设密封箱6。As shown in Figures 1-3, a horizontal dry desulfurization device described in the utility model includes a device body, a gas inlet pipe 1, a gas outlet pipe 2, an inlet gas distribution plate 3, an outlet gas distribution plate 4, a desulfurization Agent box 5 and sealing box 6; several layers of desulfurizing agent boxes 5 are arranged in the device body along the height direction, and an inlet air distribution channel is arranged in the device body below the desulfurizing agent box 5, and an inlet air distribution plate is arranged on the top of the inlet air distribution channel 3. The device body above the desulfurizer box 5 is provided with an outlet gas distribution channel, and the bottom of the outlet gas distribution channel is provided with an outlet gas distribution plate 4; the device body at one end of the inlet gas distribution channel is provided with a gas inlet pipe 1, and one end of the outlet gas distribution channel A gas outlet pipe 2 is arranged outside the device body; the desulfurizer box 5 adopts a pull-out structure, and a sealed box 6 is arranged outside the device body at the extraction end of the desulfurizer box 5 .

进一步的,所述脱硫剂箱5由箱体及置于箱体内的脱硫剂层组成,箱体的底板采用栅板结构。Further, the desulfurizer box 5 is composed of a box body and a desulfurizer layer placed in the box body, and the bottom plate of the box body adopts a grid structure.

进一步的,所述装置本体与对应脱硫剂箱5的箱体之间设滑动连接结构或滚动连接结构,使脱硫剂箱5的箱体能够沿装置本体进行抽拉动作。Further, a sliding connection structure or a rolling connection structure is provided between the device body and the corresponding desulfurizer tank 5 so that the desulfurizer tank 5 can be pulled along the device body.

进一步的,所述煤气进口管1、煤气出口管2设于装置本体的同一端。Further, the gas inlet pipe 1 and the gas outlet pipe 2 are arranged at the same end of the device body.

进一步的,所述煤气进口管1、煤气出口管2的结构相同,均采用管道一端截面为圆形、另一端截面为矩形的结构;圆形截面一端用于连接外部的煤气输送管道,矩形截面一端用于连接对应的进口布气通道或出口布气通道。Further, the gas inlet pipe 1 and the gas outlet pipe 2 have the same structure, both of which have a circular cross-section at one end and a rectangular cross-section at the other end; One end is used to connect the corresponding inlet air distribution channel or outlet air distribution channel.

进一步的,所述密封箱6的一端设密封箱盖7,另一端设密封箱法兰;密封箱6通过密封箱法兰与装置本体固定连接。Further, one end of the sealing box 6 is provided with a sealing box cover 7, and the other end is provided with a sealing box flange; the sealing box 6 is fixedly connected with the device body through the sealing box flange.

本实用新型所述一种卧式干法脱硫装置,在卧式方箱型的装置本体中设置若干层可抽拉的脱硫剂箱5,脱硫剂箱5的底面为栅板结构,每层脱硫剂箱5与装置本体之间均设置抽拉结构,抽拉结构可为板式或圆钢条形式的滑道形式,也可以采用滚轮的滚动连接形式,便于抽出脱硫剂箱5更换其中的脱硫剂。A horizontal dry desulfurization device described in the utility model, several layers of desulfurization agent boxes 5 that can be drawn are arranged in the horizontal box type device body. A pull-out structure is provided between the agent box 5 and the device body. The pull-out structure can be in the form of a slideway in the form of a plate or a round steel bar, or a rolling connection form of rollers, so that it is convenient to pull out the desulfurizer box 5 to replace the desulfurizer in it. .

在装置本体与煤气进口管1及煤气出口管2相对的一侧、与每层脱硫剂箱5一一对应地设置密封箱6,密封箱6通过密封箱法兰与装置本体连接,打开密封箱6外侧的密封箱盖7后,可方便地抽出脱硫剂箱5;脱硫剂箱5安装好后,通过密封箱6实现装置的整体密封。On the side of the device body opposite to the gas inlet pipe 1 and the gas outlet pipe 2, a sealing box 6 is provided in one-to-one correspondence with each layer of desulfurizer box 5, and the sealing box 6 is connected to the device body through the sealing box flange, and the sealing box is opened 6 After the sealing box cover 7 on the outside, the desulfurizing agent box 5 can be easily extracted; after the desulfurizing agent box 5 is installed, the overall sealing of the device is realized through the sealing box 6.

为确保煤气在装置本体内的纵向截面上均匀分布,在装置本体的顶部、底部分别设有出口布气通道及进口布气通道;通过设于进口布气通道顶部的进口布气板3以及设于出口通道底部的出口布气板4,实现煤气在装置本体内的均布,以提高煤气脱硫效率及脱硫效果。In order to ensure that the gas is evenly distributed on the longitudinal section of the device body, an outlet gas distribution channel and an inlet gas distribution channel are respectively provided on the top and bottom of the device body; The outlet gas distribution plate 4 at the bottom of the outlet channel realizes the uniform distribution of gas in the device body, so as to improve the efficiency and effect of desulfurization of gas.

在与密封箱6相对的装置本体另一端,设有煤气进口管1及煤气出口管2,煤气进口管1设在底部,煤气出口管2设在顶部,进入装置内的煤气自下向上依次且均匀流过多层脱硫剂箱5。为了使进入装置时的煤气流更加平稳,煤气进口管1、煤气出口管2采用由圆形截面向矩形截面过渡(煤气进口管1)或者由矩形截面向圆形截面过渡(煤气出口管2)的结构实现与外部圆形煤气管道的连接。At the other end of the device body opposite to the sealed box 6, a gas inlet pipe 1 and a gas outlet pipe 2 are provided. The gas inlet pipe 1 is arranged at the bottom, and the gas outlet pipe 2 is arranged at the top. Evenly flow through the multi-layer desulfurizer box 5. In order to make the gas flow more stable when entering the device, the gas inlet pipe 1 and the gas outlet pipe 2 adopt a transition from a circular cross section to a rectangular cross section (gas inlet pipe 1) or a transition from a rectangular cross section to a circular cross section (gas outlet pipe 2) The structure realizes the connection with the external circular gas pipeline.

以上所述,仅为本实用新型较佳的具体实施方式,但本实用新型的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本实用新型揭露的技术范围内,根据本实用新型的技术方案及其实用新型构思加以等同替换或改变,都应涵盖在本实用新型的保护范围之内。The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. A horizontal dry desulphurization device is characterized by comprising a device body, a gas inlet pipe, a gas outlet pipe, an inlet gas distribution plate, an outlet gas distribution plate, a desulfurizer box and a seal box; a plurality of layers of desulfurizer boxes are arranged in the device body along the height direction, an inlet gas distribution channel is arranged in the device body below the desulfurizer boxes, and an inlet gas distribution plate is arranged at the top of the inlet gas distribution channel; an outlet gas distribution channel is arranged in the device body above the desulfurizer box, and an outlet gas distribution plate is arranged at the bottom of the outlet gas distribution channel; a gas inlet pipe is arranged outside the device body at one end of the inlet gas distribution channel, and a gas outlet pipe is arranged outside the device body at one end of the outlet gas distribution channel; the desulfurizer box adopts a pull-out structure, and a seal box is arranged outside the device body at the extraction end of the desulfurizer box.
2. The horizontal dry desulfurization device according to claim 1, wherein the desulfurizing agent tank is composed of a tank body and a desulfurizing agent layer disposed in the tank body, and a bottom plate of the tank body has a grid plate structure.
3. The horizontal dry desulfurization device according to claim 1, wherein a sliding connection structure or a rolling connection structure is provided between the device body and the corresponding box body of the desulfurizing agent tank, so that the box body of the desulfurizing agent tank can be drawn and pulled along the device body.
4. The horizontal dry desulfurization device according to claim 1, wherein the gas inlet pipe and the gas outlet pipe are provided at the same end of the device body.
5. The horizontal dry desulphurization device according to claim 1, wherein the gas inlet pipe and the gas outlet pipe have the same structure, and both adopt a structure that the section of one end of the pipeline is circular and the section of the other end of the pipeline is rectangular; one end of the circular section is used for connecting an external gas conveying pipeline, and one end of the rectangular section is used for connecting a corresponding inlet gas distribution channel or outlet gas distribution channel.
6. The horizontal dry desulphurization device according to claim 1, wherein one end of the seal box is provided with a seal box cover, and the other end is provided with a seal box flange; the seal box is fixedly connected with the device body through a seal box flange.
CN202222835609.3U 2022-10-27 2022-10-27 A horizontal dry desulfurization device Active CN218653845U (en)

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