Alkaline waste gas purification device
The alkaline waste gas purification device addresses the inefficiencies of large-scale devices by integrating pretreatment components to reduce pressure and resource waste, enabling efficient treatment of alkaline waste gases with lower pollution levels or smaller discharge volumes.
Patent Information
- Application Number
- CN202421052251.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-15
AI Technical Summary
Existing large-scale alkaline purification devices lack pretreatment, resulting in high pressure during centralized treatment of alkaline waste gas and resource waste when used for low pollution and smaller discharge volumes, and existing devices are inefficient for treating alkaline waste gases with lower pollution levels or smaller discharge volumes, leading to resource waste.
An alkaline waste gas purification device comprising an alkaline waste gas treatment pipe, a waste gas treatment box, acid water pipes, a neutralization groove, a sealing cover, and a waste gas guide box, which allows for pre-treatment of alkaline waste gas before centralized treatment, reducing pressure and resource waste by integrating with existing large-scale devices or treating low pollution gases independently.
The device effectively reduces pressure on large-scale treatment systems and saves resources by allowing pre-treatment of alkaline waste gas, enhancing efficiency and reducing costs for treating alkaline waste gases with lower pollution levels or smaller discharge volumes.
Smart Images

Figure CN222239601U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of waste gas treatment, in particular to an alkaline waste gas purification device. Background Art
[0002] Alkaline waste gas purification devices are mainly used to treat alkaline waste gas generated in industrial production processes. This type of device can effectively reduce the emission of industrial waste gas and reduce the concentration of pollutants. During the treatment process, through specific technologies, the harmful substances in the waste gas are separated, adsorbed, catalyzed, etc., so that the concentration of waste gas emissions is greatly reduced, thereby effectively avoiding harm to the environment.
[0003] At present, the existing alkaline waste gas purification devices generally use equipment such as spray towers, for example, an alkaline waste gas purification device disclosed in the Chinese patent publication number CN208711314U. However, these large alkaline waste gas purification devices such as spray towers lack pretreatment of alkaline waste gas when in use, resulting in high equipment pressure when a large amount of alkaline waste gas is centrally treated. Moreover, for the treatment of some alkaline waste gas with a lower pollution degree or a smaller discharge volume, large alkaline waste gas purification devices such as spray towers are still used, which is easy to cause waste of resources.
[0004] Therefore, the present application provides an alkaline waste gas purification device to solve the above technical problems. Utility Model Content
[0005] The technical problem to be solved by the utility model is to provide an alkaline waste gas purification device to solve the problem that the existing large-scale alkaline waste gas purification devices such as spray towers lack alkaline waste gas pretreatment, resulting in high pressure during centralized treatment of alkaline waste gas, and the problem of resource waste when large-scale alkaline waste gas purification devices such as spray towers treat some alkaline waste gases with lower pollution levels or smaller discharge volumes.
[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:
[0007] An alkaline waste gas purification device comprises an alkaline waste gas treatment pipe, an alkaline waste gas treatment box for containing acidic liquid is installed in the middle of the alkaline waste gas treatment pipe, acid water pipes for connecting acidic liquid are installed at both ends of the bottom of the alkaline waste gas treatment box, a neutralization groove is provided on the upper end surface of the alkaline waste gas treatment box, a sealing cover is installed on the neutralization groove, a vertical waste gas guide box is fixed to the lower end surface of the sealing cover, the bottom of the waste gas guide box is horizontally bent and installed with a plurality of gas distribution pipes, and a docking tube docking with the air inlet port of the alkaline waste gas treatment pipe is installed on the top of the waste gas guide box.
[0008] As a further preferred solution, two positioning ears are symmetrically fixed on both sides of the bottom of the sealing cover, and fastening bolts are arranged on the positioning ears. The fastening bolts penetrate the positioning ears and are plugged and fixed to the surface of the alkaline waste gas treatment box.
[0009] As a further preferred solution, positioning holes are symmetrically provided on both sides of the top of the alkaline waste gas treatment box, and the fastening bolts are plugged into and matched with the positioning holes.
[0010] As a further preferred solution, a handle is fixed to the upper end surface of the sealing cover.
[0011] As a further preferred solution, the interior of the exhaust gas guide box is hollow and is connected to a plurality of the gas distribution pipes.
[0012] As a further preferred solution, a liquid immersion port is provided at the bottom of the exhaust gas guide box.
[0013] As a further preferred solution, both ends of the alkaline waste gas treatment pipe and the ends of the two acid water pipes are constructed with flanges.
[0014] Compared with the prior art, the utility model has at least the following beneficial effects:
[0015] Thanks to the cooperation of the alkaline waste gas treatment pipe, the alkaline waste gas treatment box, the sealing cover and the waste gas guide box, the alkaline waste gas treatment pipe and the alkaline waste gas treatment box can be integrally connected to the exhaust pipe of the alkaline waste gas, so that the alkaline waste gas can pass into the alkaline waste gas treatment box, and cooperate with the acid water in the alkaline waste gas treatment box to neutralize the alkaline waste gas. Therefore, the device can be installed and used on the exhaust pipe of the alkaline waste gas, which is convenient for pre-treatment of waste gas in front of large-scale waste gas purification devices such as spray towers to reduce the pressure of the spray tower's centralized treatment of alkaline waste gas, or directly used to treat some alkaline waste gases with lower pollution levels and smaller displacements, thereby saving costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the present invention and enable those skilled in the relevant art to make and use the present invention.
[0017] Figure 1 It is a structural schematic diagram of an alkaline waste gas purification device;
[0018] Figure 2 It is a structural schematic diagram of an alkaline waste gas treatment box in an alkaline waste gas purification device;
[0019] Figure 3 It is a structural schematic diagram of a sealing cover in an alkaline waste gas purification device;
[0020] Figure 4 This is a schematic diagram of the internal structure of the exhaust gas guide box in the alkaline exhaust gas purification device.
[0021] [reference numerals]
[0022] 1. Alkaline waste gas treatment pipe; 2. Alkaline waste gas treatment box; 3. Acid water pipe; 4. Sealing cover; 401. Positioning ear; 402. Fastening bolt; 403. Handle; 5. Waste gas guide box; 501. Gas distribution pipe; 502. Butt joint pipe; 503. Immersion port; 6. Neutralization tank; 7. Positioning hole.
[0023] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION
[0024] The following is a detailed description of an alkaline waste gas purification device provided by the utility model in combination with the drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternative methods to implement some known technologies; and the drawings are only for a more specific description of the embodiments, and are not intended to specifically limit the utility model.
[0025] It should be noted that the references to "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).
[0026] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.
[0027] It is to be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers, and “on” or “above” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers.
[0028] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.
[0029] like Figure 1 and Figure 2 As shown, an embodiment of the utility model provides an alkaline waste gas purification device, including an alkaline waste gas treatment pipe 1, both ends of which are constructed with flanges, which can be conveniently connected to the exhaust pipe of the alkaline waste gas, and an alkaline waste gas treatment box 2 for containing acidic liquid is installed in the middle of the alkaline waste gas treatment pipe 1, and acid water pipes 3 for connecting acidic liquid are installed at both ends of the bottom of the alkaline waste gas treatment box 2, and the ends of the two acid water pipes 3 are constructed with flanges to connect to the acid water circulation pipeline (such as using a hydrochloric acid water circulation pipeline with a certain concentration or an industrial acid wastewater drainage pipeline, etc., and controlling the amount of acid water entering the alkaline waste gas treatment box 2 to prevent the acid water from overflowing from the top of the alkaline waste gas treatment box 2 and entering the alkaline waste gas treatment pipe 1).
[0030] Cooperate Figure 3 As shown, a neutralization groove 6 is provided on the upper end surface of the alkaline waste gas treatment box 2, and a sealing cover 4 is installed on the neutralization groove 6. Two positioning ears 401 are symmetrically fixed on both sides of the bottom of the sealing cover 4. The positioning ears 401 are provided with fastening bolts 402. The fastening bolts 402 penetrate the positioning ears 401 and are plugged and fixed to the surface of the alkaline waste gas treatment box 2. In specific implementation, positioning holes 7 are symmetrically provided on both sides of the top of the alkaline waste gas treatment box 2, and the fastening bolts 402 are plugged and matched with the positioning holes 7 to fix the sealing cover 4 to the top of the alkaline waste gas treatment box 2. In addition, a handle 403 is fixed on the upper end surface of the sealing cover 4 for easy disassembly and assembly.
[0031] At the same time, cooperate with Figure 4As shown, a vertical exhaust gas guide box 5 is fixed to the lower end surface of the sealing cover 4, the interior of the exhaust gas guide box 5 is hollow, the bottom of the exhaust gas guide box 5 is horizontally bent, and a plurality of gas distribution pipes 501 are installed, the gas distribution pipes 501 are connected to the interior of the exhaust gas guide box 5, and a docking pipe 502 docking with the air inlet port of the alkaline exhaust gas treatment pipe 1 is installed on the top of the exhaust gas guide box 5. Therefore, when the alkaline exhaust gas treatment pipe 1 is connected to the exhaust pipe of the alkaline exhaust gas, an immersion port 503 is opened at the bottom of the exhaust gas guide box 5, so that the acid water in the alkaline exhaust gas treatment box 2 can be immersed in the exhaust gas guide box 5, and the contact area between the alkaline exhaust gas and the acid water can be increased in cooperation with the gas distribution pipe 501 to neutralize the alkaline exhaust gas.
[0032] The working principle provided by the utility model is that the alkaline waste gas purification device, when in use, can utilize the flanges at both ends of the alkaline waste gas treatment pipe 1 to connect to the industrial alkaline waste gas exhaust pipe through the pipe, and utilize the flanges at the ends of the two acid water pipes 3 to connect the alkaline waste gas treatment box 2 to the acid water circulation pipeline (such as using a hydrochloric acid water circulation pipeline of a certain concentration or an industrial acid waste water drainage pipeline, and controlling the amount of acid water entering the alkaline waste gas treatment box 2 to prevent the acid water from overflowing from the top of the alkaline waste gas treatment box 2 and entering the alkaline waste gas treatment pipe 1), so that when the alkaline waste gas passes through the inside of the alkaline waste gas treatment pipe 1, it will enter the waste gas guide box 5 through the docking pipe 502, and then enter the acid water in the alkaline waste gas treatment box 2 along the waste gas guide box 5, thereby neutralizing the alkaline waste gas and achieving alkaline waste gas purification.
[0033] To sum up, the device has a simple structure and can be installed and used by attaching to the exhaust pipe of alkaline waste gas. It is convenient to be used for pre-treatment of waste gas before large-scale waste gas purification devices such as spray towers to reduce the pressure of centralized treatment of alkaline waste gas by spray towers, or directly used to treat some alkaline waste gas with lower pollution degree and smaller displacement, thereby saving costs.
[0034] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.
[0035] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. An alkaline waste gas purification device, comprising an alkaline waste gas treatment pipe (1), characterized in that: An alkaline waste gas treatment box (2) for containing acidic liquid is installed in the middle of the alkaline waste gas treatment pipe (1), and acid water pipes (3) for connecting the acidic liquid are installed at both ends of the bottom of the alkaline waste gas treatment box (2). A neutralization tank (6) is provided on the upper end surface of the alkaline waste gas treatment box (2), and a sealing cover (4) is installed on the neutralization tank (6). A vertical waste gas guide box (5) is fixed on the lower end surface of the sealing cover (4). The bottom of the waste gas guide box (5) is horizontally bent and is installed with a plurality of gas distribution pipes (501), and the top of the waste gas guide box (5) is installed with a butt joint pipe (502) that is butt jointed with the air inlet port of the alkaline waste gas treatment pipe (1).
2. The alkaline waste gas purification device according to claim 1, characterized in that: Two positioning ears (401) are symmetrically fixed on both sides of the bottom of the sealing cover (4), and fastening bolts (402) are arranged on the positioning ears (401). The fastening bolts (402) penetrate the positioning ears (401) and are plugged and fixed to the surface of the alkaline waste gas treatment box (2).
3. The alkaline waste gas purification device according to claim 2, characterized in that: Positioning holes (7) are symmetrically provided on both sides of the top of the alkaline waste gas treatment box (2), and the fastening bolts (402) are plugged into and matched with the positioning holes (7).
4. The alkaline waste gas purification device according to claim 3, characterized in that: A handle (403) is fixed to the upper end surface of the sealing cover (4).
5. The alkaline waste gas purification device according to claim 1, characterized in that: The interior of the exhaust gas guide box (5) is hollow and is connected to a plurality of the gas distribution pipes (501).
6. The alkaline waste gas purification device according to claim 5, characterized in that: The bottom of the exhaust gas guide box (5) is provided with a liquid immersion port (503).
7. The alkaline waste gas purification device according to claim 1, characterized in that: Both ends of the alkaline waste gas treatment pipe (1) and the ends of the two acid water pipes (3) are constructed with flanges.