Biomass gas purification device
By combining a cyclone separator with a filter element and a motor-driven scraper cleaning structure, the problem of low filtration efficiency and tar clogging in traditional biomass gas purification devices has been solved. This achieves high-efficiency purification and automatic filter element cleaning, improving the purity of biomass gas and the operational stability of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional biomass gas purification devices have low filtration efficiency, are prone to tar adhesion and clogging, and are difficult to clean, affecting continuous operation efficiency.
The filter combines a cyclone separator with a filter element, and uses a motor-driven scraper and spring structure to achieve real-time cleaning of the filter element surface. The annular guide structure and limit block ensure smooth rotation of the scraper, and the modular sludge storage tank facilitates cleaning.
It effectively removes large particles and tar, reduces downtime for maintenance, extends filter life, reduces manual operation difficulty, and prevents gas stove head blockage and corrosion.
Smart Images

Figure CN224100314U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of biomass gas stoves, in particular to a biomass gas purification device. BACKGROUND
[0002] As a renewable energy, biomass gas is mainly converted from biomass raw materials into combustible gas through gasification technology. However, the gas often contains large-particle impurities, tar and fine particulate matter, which can block the pipeline, reduce the combustion efficiency, and even corrode the equipment. The traditional purification device adopts a single filtering structure, which has the problems of low filtering efficiency, easy tar adhesion and blockage, and difficult filter core cleaning, especially the tar and impurities accumulated on the surface of the filter core need to be cleaned manually frequently, which seriously affects the continuous operation efficiency.
[0003] Therefore, the person skilled in the art provides a biomass gas purification device to solve the problems in the background art. CONTENT OF THE UTILITY MODEL
[0004] In order to solve the problems in the background art, the present application provides a biomass gas purification device.
[0005] The biomass gas purification device provided by the present application adopts the following technical scheme:
[0006] A biomass gas purification device, comprising a biomass gasifier body, a purification assembly is installed at the gas outlet end of the biomass gasifier body, the purification assembly comprises a cyclone separator, the gas outlet end of the cyclone separator is connected through a first pipe body, the gas outlet end of the first pipe body is connected through a shell, one end of the shell is centrally installed with a second pipe body, one end of the inner side of the shell is centrally installed with a filter core, the other end of the shell is centrally fixedly connected with a motor, the output end of the motor is fixedly connected with a connecting rod on the outside, the distal end of the connecting rod is fixedly connected with a mounting ring, the side wall of the mounting ring is fixedly connected with three first mounting rods arranged in a ring shape at equal intervals, the distal end of the first mounting rod is fixedly connected with a mounting sleeve, the inner side of the mounting sleeve is fixedly connected with a mounting shell, a movable rod is movably connected through the bottom end of the mounting shell, a spring is installed between the top end of the movable rod and the mounting shell, and a scraper is fixedly connected to the bottom end of the movable rod.
[0007] Preferably, the outer side of the mounting sleeve is fixedly connected with a second mounting rod, the second mounting rod is located on the same straight line as the first mounting rod, the distal end of the second mounting rod is fixedly connected with a circular ring, and the circular ring is installed with a ball between the annular groove formed on the shell.
[0008] Preferably, the inner side of the mounting shell is fixedly connected with a limiting block symmetrically at the bottom end, the side wall of the movable rod is provided with a limiting groove arranged symmetrically, and the limiting block is arranged in the limiting groove.
[0009] Preferably, the bottom end of the shell is connected with a dirt collecting hopper, and the bottom end of the dirt collecting hopper is threadedly connected with a dirt storage tank.
[0010] Preferably, the bottom end of the scraper is inclined on both sides, and the bottom end of the scraper contacts the outer side of the filter core.
[0011] In summary, the present application has the following beneficial technical effects:
[0012] 1. The combination of the cyclone separator and the filter core for dual filtration effectively removes large-particle impurities, tar and small-particle matters, improves the purity of the gas, realizes real-time cleaning of the surface of the filter core through the rotating scraper driven by the motor and the spring pressure self-adaptive structure, significantly reduces the frequency of shutdown maintenance, prolongs the service life of the filter core, ensures the stable rotation of the scraper through the annular guide structure composed of the second mounting rod and the ball, the cooperation of the limiting block and the limiting groove, avoids deviation or jamming, the modularly designed dirt storage tank can be quickly disassembled and cleaned, reduces the difficulty of manual operation, the inclined design of the bottom end of the scraper enhances the scraping efficiency and further reduces the residue. The effect of reducing the tar emission and the frequency of replacing the filter core avoids the blockage and corrosion of the biomass gas stove caused by the mixing of a large amount of tar in the biomass gas. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is a schematic diagram of the overall structure of the present application;
[0014] Figure 2 is a schematic diagram of the first perspective view of the internal structure of the present application;
[0015] Figure 3 is a schematic diagram of the second perspective view of the internal structure of the present application;
[0016] Figure 4 is a schematic diagram of the structure of part A of the present application; Figure 3
[0017] Figure 5 is a sectional view of the mounting shell of the present application.
[0018] BRIEF DESCRIPTION OF DRAWINGS: 1, biomass gasifier body; 2, purification assembly; 201, cyclone separator; 202, first pipe body; 203, shell; 204, second pipe body; 205, dirt collecting hopper; 206, dirt storage tank; 207, motor; 208, connecting rod; 209, mounting ring; 210, first mounting rod; 211, mounting sleeve; 212, mounting shell; 213, moving rod; 214, scraper; 215, spring; 216, limiting block; 217, limiting groove; 218, second mounting rod; 219, circular ring; 220, ball; 221, filter core. DETAILED DESCRIPTION
[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.
[0020] Embodiment 1
[0021] As Figure 1 , 2 , 3, 5, the present application discloses a biomass gas purification device, including biomass gasifier body 1, the gas outlet end of biomass gasifier body 1 is equipped with purification assembly 2, purification assembly 2 includes cyclone 201, the gas outlet end of cyclone 201 is equipped with first pipe body 202, the gas outlet end of first pipe body 202 is equipped with shell 203, one end of shell 203 is centrally installed with second pipe body 204, one end of the inner side of shell 203 is centrally installed with filter element 221, the other end of shell 203 is centrally installed with motor 207, the output end outer side of motor 207 is installed with connecting rod 208, the end of connecting rod 208 is installed with mounting ring 209, the sidewall of mounting ring 209 is installed with three annular equidistant first mounting rod 210, the end of first mounting rod 210 is installed with mounting sleeve 211, the inner side of mounting sleeve 211 is installed with mounting shell 212, the bottom end of mounting shell 212 is installed with moving rod 213, the top end of moving rod 213 and mounting shell 212 are installed with spring 215, the bottom end of moving rod 213 is installed with scraper 214;
[0022] The biomass gas in biomass gasifier body 1 is cleaned by cyclone 201 for large particle impurities, the purified gas enters shell 203 through first pipe body 202, small particle impurities and tar are filtered by filter element 221, the filtered gas is discharged through second pipe body 204, motor 207 drives connecting rod 208, mounting ring 209, first mounting rod 210 and mounting sleeve 211 to rotate, mounting sleeve 211 drives mounting shell 212, scraper 214 and spring 215 to rotate, spring 215 extrudes moving rod 213 to drive spring 215 to tightly contact the outer side of filter element 221, and small impurities and tar filtered on the outer side of filter element 221 are cleaned.
[0023] As Figure 3 , 4As shown, the outer side of the mounting sleeve 211 is mounted with a second mounting rod 218, the second mounting rod 218 is located on the same straight line with the first mounting rod 210, the end of the second mounting rod 218 is mounted with a circular ring 219, the circular ring 219 is mounted with a ball 220 between the annular groove opened on the shell 203, by setting the second mounting rod 218, the circular ring 219 and the ball 220, the stability of the rotation of the scraper 214 can be improved.
[0024] As shown in the drawings, Figure 5 As shown, the inner side of the mounting shell 212 is symmetrically mounted with a limiting block 216 close to the bottom end, the side wall of the moving rod 213 is provided with a limiting groove 217 arranged symmetrically, the limiting block 216 is arranged in the limiting groove 217, and the moving rod 213 and the scraper 214 can be limited by setting the limiting block 216 in cooperation with the limiting groove 217.
[0025] As shown in the drawings, Figures 1-3 As shown, the bottom end of the shell 203 is mounted with a dirt collecting hopper 205, and the bottom end of the dirt collecting hopper 205 is mounted with a dirt storage tank 206, the impurities cleaned on the filter core 221 are collected by the dirt collecting hopper 205, and the collected impurities are stored in the dirt storage tank 206.
[0026] As shown in the drawings, Figure 2 、 3 As shown, the bottom end of the scraper 214 is inclined on both sides, and the bottom end of the scraper 214 contacts the outer side of the filter core 221.
[0027] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, and the mechanical parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.
[0028] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.
[0029] The implementation principle of the biomass gas purification device according to the embodiment of the application is:
[0030] In use, the biomass gas enters the cyclone separator 201 from the gasifier body 1, and large-particle impurities are separated by centrifugal force, and the preliminarily purified gas is transported to the shell 203 through the first pipe body 202, and after the gas enters the shell 203, small-particle impurities and tar are further intercepted by the filter core 221, and the purified gas is discharged through the second pipe body 204, after the motor 207 is started, the connecting rod 208, the mounting ring 209 and the first mounting rod 210 are rotated, and the mounting sleeve 211, the mounting shell 212 and the scraper 214 are synchronously rotated, the spring 215 pushes the moving rod 213 and the scraper 214 to tightly adhere to the outer wall of the filter core 221, the inclined bottom end of the scraper 214 continuously scrapes off the tar and impurities attached to the surface of the filter core in the rotating process, so that blockage is avoided, the annular ring 219 at the end of the second mounting rod 218 cooperates with the ball 220 to enhance the stability of the rotation of the scraper, the limiting block 216 and the limiting groove 217 prevent the moving rod 213 from deviating, the scraped impurities fall along the inner wall of the shell 203 to the dirt collecting hopper 205, and are finally stored in the detachable dirt storage tank 206, so that centralized treatment is facilitated.
[0031] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A biomass gas purification device, comprising a biomass gasification furnace body (1), a purification assembly (2) is installed at the gas outlet end of the biomass gasification furnace body (1), characterized in that, The purification assembly (2) includes a cyclone separator (201), the gas outlet end of the cyclone separator (201) is connected with a first pipe body (202) in penetration, the gas outlet end of the first pipe body (202) is connected with a shell (203) in penetration, one end of the shell (203) is centrally installed with a second pipe body (204), one end of the inner side of the shell (203) is centrally installed with a filter core (221), the other end of the shell (203) is centrally fixedly connected with a motor (207), the output end outer side of the motor (207) is fixedly connected with a connecting rod (208), the terminal end of the connecting rod (208) is fixedly connected with a mounting ring (209), the side wall of the mounting ring (209) is fixedly connected with three first mounting rods (210) arranged in an annular equidistant manner, the terminal end of the first mounting rod (210) is fixedly connected with a mounting sleeve (211), the inner side of the mounting sleeve (211) is fixedly connected with a mounting shell (212), the bottom end of the mounting shell (212) is movably connected with a moving rod (213), the spring (215) is installed between the top end of the moving rod (213) and the mounting shell (212), the bottom end of the moving rod (213) is fixedly connected with a scraper (214).
2. The biomass gas purification device according to claim 1, characterized in that: The outer side of the mounting sleeve (211) is fixedly connected with a second mounting rod (218), the second mounting rod (218) is located on the same straight line as the first mounting rod (210), the terminal end of the second mounting rod (218) is fixedly connected with a circular ring (219), and the circular ring (219) is installed with a ball (220) between the annular groove formed in the shell (203).
3. The biomass gas purification device according to claim 1, characterized in that: The inner side of the mounting shell (212) is fixedly connected with a limiting block (216) in symmetry near the bottom end, the side wall of the moving rod (213) is provided with a limiting groove (217) arranged in symmetry, and the limiting block (216) is arranged in the limiting groove (217).
4. The biomass gas purification device according to claim 1, characterized in that: The bottom end of the shell (203) is connected with a dirt collecting hopper (205) in penetration, and the bottom end of the dirt collecting hopper (205) is threadedly connected with a dirt storage tank (206).
5. The biomass gas purification device according to claim 1, characterized in that: The bottom end of the scraper (214) is designed to be inclined on both sides, and the bottom end of the scraper (214) contacts the outer side of the filter core (221).