Raw gas pipeline washing device
By employing a multi-layered nozzle staggered arrangement design in the raw coal gas pipeline, the problem of poor cleaning effect and clogging of traditional water washing equipment is solved, achieving efficient purification and convenient maintenance, and is suitable for raw coal gas treatment of various scales.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING HUIER SANJI GREEN CHEM TECH CO LTD
- Filing Date
- 2024-12-18
- Publication Date
- 2026-04-17
AI Technical Summary
Traditional water washing equipment is ineffective in cleaning raw coal gas, makes insufficient use of water resources, and is prone to clogging, making it difficult to meet the needs of efficient purification and anti-clogging.
A water washing device for raw coal gas pipelines is designed, which adopts a multi-layer nozzle arranged in an alternating pattern around the vertical pipe to ensure 360° coverage. The vertical pipe is connected to the main water pipe through a hose and flange to achieve uniform water mist distribution, enhance the cleaning effect and reduce the risk of blockage.
It achieves comprehensive purification of raw coal gas, reduces the risk of pipeline blockage, improves purification effect and ease of installation and maintenance, and is highly adaptable to raw coal gas treatment systems of different scales.
Smart Images

Figure CN224132979U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a raw coal gas pipeline water washing device, belonging to the field of coal gas purification and treatment technology. Background Technology
[0002] In the process of treating raw coal gas, water washing of pipelines is a crucial device for removing impurities such as dust and tar. However, traditional water washing equipment has certain limitations in terms of cleaning effectiveness, water resource utilization, and handling pipeline blockages. Therefore, developing a new type of water washing device to improve the performance and efficiency of water washing is of great significance. Utility Model Content
[0003] The present invention aims to provide an innovative raw coal gas pipeline water washing device to effectively solve many problems existing in the current raw coal gas pipeline water washing technology, improve the purification effect of raw coal gas, reduce the risk of blockage, and enhance applicability.
[0004] The technical solution adopted by this utility model is: a raw coal gas pipeline water washing device, mainly composed of a raw coal gas pipeline, a main water pipe, a flexible hose, a vertical pipe, and multiple nozzles. Multiple nozzles are installed around the vertical pipe, with the upper and lower nozzles arranged alternately to achieve 360° coverage, ensuring comprehensive water washing of the raw coal gas. The upper end of the vertical pipe is first connected to the main water pipe via a flexible hose, and then welded to a flange, securely installed on the pipeline.
[0005] The working principle of this invention is as follows: During the raw coal gas washing operation, clean water from the main water pipe is steadily delivered to multiple vertical pipes under certain pressure via flexible hoses. These vertical pipes act as water transmission channels, guiding the water to various multi-layer nozzles. The water mist sprayed from these nozzles fully contacts the raw coal gas, causing impurities and dust in the gas to separate through physical adsorption and gravity settling. The staggered arrangement of the nozzles ensures even distribution of water mist within the pipes, avoiding blind spots in the cleaning process.
[0006] The pipe washing design of this utility model has the following beneficial effects:
[0007] 1. Improved purification effect: The 360° coverage nozzles and staggered arrangement design ensure all-round cleaning of the raw coal gas pipeline without dead angles, and also allow the raw coal gas to fully contact water during the flow of the pipeline, removing impurities to the greatest extent and improving the treatment quality.
[0008] 2. Reduce the risk of clogging: Powerful and even flushing helps prevent impurities from accumulating and clogging the pipes.
[0009] 3. Convenient Installation and Maintenance: The hose and flange connection methods make the installation of the vertical pipe convenient and quick. Regularly check and clean the nozzles, adjust the water flow and pressure, and facilitate local maintenance and replacement. The nozzles can be quickly installed on the cleaning equipment through threaded connections, flange connections, etc. The installation and disassembly process is simple and quick, reducing equipment downtime and improving production efficiency.
[0010] 4. High adaptability: It can be flexibly adjusted according to different sizes and flow rates of raw coal gas pipelines, and is suitable for raw coal gas treatment systems of various scales.
[0011] In summary, the application of the new pipeline water washing device in raw coal gas has significant advantages in terms of improving purification effect, reducing blockage risk, convenient installation and maintenance, and strong adaptability, bringing new breakthroughs and development opportunities to the field of raw coal gas purification and treatment. Attached Figure Description
[0012] To more clearly illustrate the technical solution of this utility model patent, the following related drawings are provided:
[0013] Figure 1 This is a schematic diagram of the installation of the vertical pipe and nozzle;
[0014] In the diagram: 101, flange No. 1; 102, flange No. 2; 103, nozzle; 104, riser pipe; 105, raw coal gas pipeline;
[0015] Figure 2 This is a 10x magnified schematic diagram of the tube bundle and nozzle.
[0016] In the diagram: 201, vertical pipe; 202, nozzle; 203, raw coal gas pipeline. Detailed Implementation
[0017] To further understand this utility model, the following description, in conjunction with the accompanying drawings and specific embodiments, will provide further details.
[0018] The operation of this embodiment is illustrated below with an example: Taking a Φ1100mm pipe as the main water washing pipeline as an example, the water is pressurized by 3 water pumps, each with a flow rate of 2500m³ / h. 3 The water is delivered at a rate of / h through a Φ1100mm main pipe to a vertical pipe containing multiple bundles, each with eight multi-layer nozzles. Due to the continuous water flow, the diameter of the main pipe gradually decreases from Φ1100mm to 1000mm, 900mm, 800mm, 700mm, 600mm, 500mm, and 400mm, eventually branching into six Φ425mm pipes. Φ38*4mm multi-layer nozzles are used, made of S304 stainless steel, with a water flow rate of 5m³ / h per nozzle. 3 / h, working pressure is 0.3Mpa, such as Figure 1As shown, the riser is Φ114*5mm, made of 20 steel. The upper end of the riser is first connected to the main water pipe with a flexible hose, then welded to the flange cover to secure it to the main pipe. Eight double-layer nozzles are installed around the riser, with the upper and lower branch pipes staggered at 45°, achieving 360° coverage. The nozzles are M32 internal threads, 27mm long, inserting 4mm into the riser before being welded to it, with the threads matching the nozzle's external threads. The installation distance between bundles is 3m. For a 140m long pipe, approximately 46 bundles are needed; for a 110m long pipe, approximately 36 bundles are needed.
[0019] Through the above specific embodiments, this utility model can achieve efficient and uniform rinsing, significantly save water resources while ensuring cleaning effect, reduce the risk of pipe blockage, and is easy to install and maintain.
Claims
1. A raw gas pipeline water washing device, characterized by comprising: include: abandoned coal gas pipeline; Water pipes are used to transport clean water. Hose, used to connect the main water pipe to the riser pipe; The vertical pipe, with its upper end connected to the main water pipe via a flexible hose and then welded to the flange, serves as a water transmission channel; The multi-layer nozzles are installed around the vertical pipe, with the upper and lower nozzles staggered to achieve 360° coverage. The nozzles can be installed by threaded or flanged connection. They can spray water mist that fully contacts the raw coal gas, so that impurities and dust in the raw coal gas are separated from the raw coal gas by physical adsorption and gravity settling.
2. The raw gas conduit water scrubbing device of claim 1, wherein: When a Φ1100mm pipe is used as the main water washing pipeline, the water is pressurized by three water pumps, each with a flow rate of 2500m³ / h. The water is then transported through the Φ1100mm main pipeline to a vertical pipe with multiple bundles of nozzles, each bundle containing eight multi-layer nozzles. The diameter of the main pipeline gradually decreases from Φ1100mm to 1000mm, 900mm, 800mm, 700mm, 600mm, 500mm, and 400mm, and finally branches into six Φ425mm pipes.
3. The raw gas conduit water scrubbing device of claim 2, wherein: The multi-layer nozzles are made of S304 stainless steel. Each nozzle has a water flow rate of 5 m³ / h and a working pressure of 0.3 MPa. The vertical pipe is Φ1145 mm and made of 20 steel. The upper end of the vertical pipe is first connected to the main water pipe with a flexible hose, and then welded to the flange cover to fix it to the main pipe.
4. The raw gas conduit water scrubbing device of claim 3, wherein: Eight double-layer nozzles are installed around the vertical pipe, with the upper and lower branch pipes arranged at a 45° stagger. The eight nozzles achieve 360° coverage. The nozzles have an M32 inner thread length of 27mm, insert 4mm into the vertical pipe, and are welded to the vertical pipe. The threads match the outer threads of the nozzles. The installation distance between bundles is 3m.