Biomass gasifier heat recovery feeding device

By setting up a pretreatment mechanism in the biomass gasifier for heating and pulverizing, the problems of insufficient pulverization and uneven output are solved, achieving more efficient combustion and heat recovery, improving the stability and resource utilization of the gasifier, and reducing environmental pollution.

CN223925419UActive Publication Date: 2026-02-17石家庄市曲寨水泥有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520465545.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-02-17
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

Existing biomass gasification furnace heat recovery feeding devices suffer from problems such as insufficient material crushing leading to low combustion efficiency, inability to continuously and quantitatively discharge material resulting in unstable operation and low production efficiency.

Method used

The pretreatment mechanism heats and crushes the biomass raw materials, which are broken into smaller particles by a crushing blade. The discharge mechanism enables continuous and quantitative discharge, ensuring that the biomass raw materials reach the combustion temperature in the gasifier more quickly, improving combustion stability and heat recovery rate, and reducing fly ash and residues.

Benefits of technology

It improves the stability and operating efficiency of the gasifier, optimizes combustion efficiency and heat recovery rate, reduces environmental pollution and waste of biomass fuel, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223925419U_ABST
    Figure CN223925419U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of biomass processing, in particular to a biomass gasifier heat recovery feeding device which comprises a base, a supporting frame is fixedly connected to the upper end of the base, a material distributing barrel is fixedly connected to the upper end of the supporting frame, and a first fixing plate is fixedly connected to the inner wall of the material distributing barrel. The upper end of the first fixing plate is fixedly connected with a discharging mechanism, the right end of the supporting frame is fixedly connected with a conveying belt, the inner wall of the supporting frame is fixedly connected with a leakage-proof plate, the leakage-proof plate is located on the upper portion of the conveying belt, the inner wall of the supporting frame is fixedly connected with a heat preservation layer, and the upper end of the heat preservation layer is fixedly connected with a pretreatment mechanism. The lower end of the heat preservation layer is fixedly connected with a discharging conical barrel, and the discharging conical barrel is located on the upper portion of the leakage-proof plate. According to the heat recovery feeding device of the biomass gasification furnace, the pretreatment mechanism and the discharging mechanism are arranged, so that the stability and the operation efficiency of the gasification furnace, the adaptability of biomass raw materials and the utilization rate of equipment are improved, the combustion efficiency is optimized, the energy is saved, the environment is protected, and the service life of the equipment is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of biomass processing technology, especially relates to a biomass gasification furnace heat recovery feeding device. BACKGROUND

[0002] At least the following disadvantages exist in the use of the existing biomass gasification furnace heat recovery feeding device: 1. The existing device does not preheat the crushed material which may contain larger particles, resulting in insufficient combustion and reducing the combustion efficiency of the gasification furnace; 2. The existing device cannot realize continuous and quantitative discharging, resulting in waste of biomass fuel and unstable operation of the gasification furnace, low production efficiency, therefore, we introduce a biomass gasification furnace heat recovery feeding device. SUMMARY

[0003] The main purpose of the utility model is to provide a biomass gasification furnace heat recovery feeding device, which can effectively solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is:

[0005] A biomass gasification furnace heat recovery feeding device, comprising a base, the base upper end is fixedly connected with a support frame, the support frame upper end is fixedly connected with a distribution barrel, the distribution barrel inner wall is fixedly connected with a first fixed plate, the first fixed plate upper end is fixedly connected with a discharging mechanism, the support frame right end is fixedly connected with a conveyor belt, the support frame inner wall is fixedly connected with a leakage-proof plate, the leakage-proof plate is located on the upper part of the conveyor belt, the support frame inner wall is fixedly connected with a heat preservation layer, the heat preservation layer upper end is fixedly connected with a pretreatment mechanism, the heat preservation layer lower end is fixedly connected with a discharging cone barrel, the discharging cone barrel is located on the upper part of the leakage-proof plate.

[0006] Preferably, the pretreatment mechanism comprises a second motor, the second motor output end is fixedly connected with a second rotating rod, the second rotating rod outer surface is fixedly connected with a baffle, the baffle upper end is movably connected with an inner barrel through a hinge, the inner barrel outer surface is fixedly connected with a heating pipe, the heating pipe inner wall is fixedly connected with a second fixed plate, the second fixed plate upper end is fixedly connected with a crushing assembly.

[0007] Preferably, the second motor front end is fixedly connected with the heat preservation layer, the second rotating rod outer surface is movably connected with the heat preservation layer, and the heating pipe outer surface is fixedly connected with the heat preservation layer.

[0008] By adopting the above technical scheme: the stability and operation efficiency of the gasification furnace, the adaptability of the biomass raw material and the equipment utilization rate are improved, the combustion efficiency is also optimized, energy saving and environmental protection are realized, and the service life of the equipment is prolonged.

[0009] Preferably, the crushing assembly comprises a third motor, a third rotating rod fixedly connected to an output end of the third motor, and nine crushing knives fixedly connected to an outer surface of the third rotating rod.

[0010] By adopting the above technical scheme, the combustion efficiency and heat recovery rate of the gasifier can be improved.

[0011] Preferably, the third motor is fixedly connected to a lower end of the second fixed plate, the third rotating rod is movably connected to the second fixed plate, the nine crushing knives are divided into three groups, each group comprising three crushing knives, the three crushing knives in the upper part form a group, the three crushing knives in the middle part form a group, and the three crushing knives in the lower part form a group, the three groups of crushing knives are arranged in a ring shape, and the crushing knives have an outer-thin inner-thick structure.

[0012] By adopting the above technical scheme, the crushing and heating pretreatment can reduce the fly ash and incomplete combustion residues generated during the gasification of the biomass raw material, thereby reducing environmental pollution.

[0013] Preferably, the discharging mechanism comprises a first motor, a first rotating rod fixedly connected to an output end of the first motor, a material passing pipe fixedly connected to an outer surface of the first rotating rod, a clamping block fixedly connected to an upper end of the material passing pipe, and a material distributing plate movably connected to an inner wall of the clamping block.

[0014] By adopting the above technical scheme, the stable operation of the biomass gasifier can be ensured, and production fluctuations caused by uneven discharging can be avoided.

[0015] Preferably, the first motor is fixedly connected to a lower end of the first fixed plate, the first rotating rod is movably connected to an outer surface of the first fixed plate, the material passing pipe has a spiral structure, and an outer surface of the material distributing plate is movably connected to the material distributing barrel.

[0016] By adopting the above technical scheme, the waste of biomass fuel can be reduced, the resource utilization rate can be improved, the thermal efficiency in the gasifier can be maintained, and the energy conversion efficiency can be further improved.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1、In the utility model, by setting the pretreatment mechanism, opening the heating pipe, starting the third motor, driving the crushing knives to rotate, heating and crushing the material, the combustion efficiency and heat recovery rate of the gasifier can be improved, the start-up time can be shortened, the combustion stability and controllability can be improved, the fly ash and incomplete combustion residues generated during the gasification of the biomass raw material can be reduced, and environmental pollution can be reduced;

[0019] 2. The utility model discloses, through setting up the discharging mechanism, the size of the required size is inserted into the card block, and the first motor is started to drive the material pipe rotation, and the controllability of discharging can avoid certain production fluctuation, improve production efficiency, reduce the waste of biomass fuel, improve resource utilization. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is whole structure schematic diagram of the utility model kind of biomass gasification furnace heat recovery feeding device;

[0021] Figure 2 It is whole structure schematic diagram of the utility model kind of biomass gasification furnace heat recovery feeding device's pretreatment mechanism;

[0022] Figure 3 It is whole structure schematic diagram of the utility model kind of biomass gasification furnace heat recovery feeding device's smashing subassembly;

[0023] Figure 4 It is whole structure schematic diagram of the utility model kind of biomass gasification furnace heat recovery feeding device's discharging mechanism.

[0024] In the drawing: 1, base, 2, support frame, 3, distribution barrel, 4, no. 1 fixed plate, 5, discharging mechanism, 6, conveyer belt, 7, leakage-proof plate, 8, heat preservation layer, 9, pretreatment mechanism, 10, cone barrel, 51, first motor, 52, first rotating rod, 53, material pipe, 54, card block, 55, distribution plate, 91, second motor, 92, second rotating rod, 93, baffle, 94, inner bucket, 95, heating pipe, 96, no. 2 fixed plate, 97, smashing subassembly, 971, third motor, 972, third rotating rod, 973, smashing knife. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0026] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as limiting the utility model. Therefore, it cannot be understood as limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it is necessary to explain that, unless there are explicit provisions and limitations, the terms ''installation'', ''setting'', ''connection'' and the like should be understood broadly, for example ''connection'', can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0028] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0029] A biomass gasification furnace heat recovery feeding device, including base 1, the upper end of base 1 is fixedly connected with support frame 2, support frame 2 upper end is fixedly connected with the distribution barrel 3, the inner wall of distribution barrel 3 is fixedly connected with one fixed plate 4, one fixed plate 4 upper end is fixedly connected with discharge mechanism 5, support frame 2 right end is fixedly connected with conveying belt 6, the inner wall of support frame 2 is fixedly connected with leakage-proof plate 7, leakage-proof plate 7 is located on the upper portion of conveying belt 6, the inner wall of support frame 2 is fixedly connected with insulation layer 8, insulation layer 8 upper end is fixedly connected with pretreatment mechanism 9, insulation layer 8 lower end is fixedly connected with the discharge cone barrel 10, and the discharge cone barrel 10 is located on the upper portion of leakage-proof plate 7.

[0030] In the embodiment, pretreatment mechanism 9 includes second motor 91, the output end of second motor 91 is fixedly connected with second rotating rod 92, the outer surface of second rotating rod 92 is fixedly connected with baffle 93, the upper end of baffle 93 is movably connected with inner barrel 94 through hinge, the outer surface of inner barrel 94 is fixedly connected with heating pipe 95, the inner wall of heating pipe 95 is fixedly connected with second fixed plate 96, and second fixed plate 96 upper end is fixedly connected with crushing assembly 97;Second motor 91 front end is fixedly connected with insulation layer 8, the outer surface of second rotating rod 92 is movably connected with insulation layer 8, the outer surface of heating pipe 95 is fixedly connected with insulation layer 8, and heating pipe 95 is annular structure;Crushing assembly 97 includes third motor 971, the output end of third motor 971 is fixedly connected with third rotating rod 972, the outer surface of third rotating rod 972 is fixedly connected with nine crushing knives 973;Third motor 971 lower end is fixedly connected with second fixed plate 96, the outer surface of third rotating rod 972 is movably connected with second fixed plate 96, and nine crushing knives 973 are divided into three groups, one group is three, the three in upper portion is a group, the three in middle portion is a group, and the three in lower portion is a group, three groups of crushing knives 973 are annularly distributed, and crushing knives 973 are thin on the outside and thick on the inside.

[0031] Through the above scheme: the crushing function can crush the biomass raw material into smaller particles, which is more suitable for the combustion requirements of the gasifier. This helps to improve the combustion efficiency and heat recovery rate of the gasifier. Through heating pretreatment, the biomass raw material can reach the combustion temperature faster in the gasifier, shorten the start-up time, improve the combustion stability and controllability. Crushing and heating pretreatment can reduce the fly ash and incomplete combustion residues generated during the gasification process of the biomass raw material, thereby reducing environmental pollution. At the same time, optimizing the combustion process also helps to reduce energy consumption. The mechanism can ensure that the biomass raw material has been pretreated before entering the gasifier, so that the gasifier can better utilize these raw materials and improve the utilization rate of the overall equipment.

[0032] In this embodiment, the discharging mechanism 5 includes a first motor 51, the output end of the first motor 51 is fixedly connected with a first rotating rod 52, the outer surface of the first rotating rod 52 is fixedly connected with a passing pipe 53, the upper end of the passing pipe 53 is fixedly connected with a clamping block 54, and the inner wall of the clamping block 54 is movably connected with a distributing plate 55; the lower end of the first motor 51 is fixedly connected with a No. 1 fixed plate 4, the outer surface of the first rotating rod 52 is movably connected with the No. 1 fixed plate 4, and the passing pipe 53 is in a spiral structure, and the outer surface of the distributing plate 55 is movably connected with a distributing barrel 3.

[0033] Through the above scheme: through continuous and quantitative discharging, the stable operation of the biomass gasifier can be ensured, and the production fluctuation caused by uneven discharging can be avoided. Production can be flexibly adjusted according to actual needs, thereby improving production efficiency. Precise control of the discharging amount helps to reduce the waste of biomass fuel and improve resource utilization. It is also helpful to maintain the thermal efficiency of the gasifier and further improve the energy conversion efficiency. Greatly simplify the manual operation and reduce the labor intensity. Stable discharging helps to reduce the pressure fluctuation in the gasifier and prolong the service life of the equipment.

[0034] It should be noted that the utility model is a kind of biomass gasification furnace heat recovery feeding device, in use process, first, the material to be treated is placed in inner bucket 94, heating pipe 95 is opened, and third motor 971 is started, third rotating rod 972 and crushing knife 973 are driven to rotate, material is heated and crushed, subsequently, second motor 91 is started to drive second rotating rod 92 to rotate, so that baffle 93 is opened, crushing function can break biomass raw material into smaller particles, make it more suitable for the combustion demand of gasification furnace.This helps to improve the combustion efficiency and heat recovery rate of gasification furnace. Through heating pretreatment, biomass raw material can reach combustion temperature more quickly in gasification furnace, shorten start-up time, improve combustion stability and controllability. Crushing and heating pretreatment can reduce fly ash and incompletely combusted residues generated during gasification of biomass raw material, thereby reducing environmental pollution;Secondly, the material slides to the discharge cone barrel 10, starts the conveyor belt 6, the driving shaft drives the driven shaft to move, and the material is transported to the distribution barrel 3, the connecting pipe of external treatment equipment is connected with the distribution barrel 3, the required size distribution plate 55 is inserted into the clamping block 54, the first motor 51 is started to drive the material pipe 53 to rotate, and the material is continuously discharged according to the preset amount, which can ensure the stable operation of biomass gasification furnace and avoid production fluctuation caused by uneven discharge. Production can be flexibly adjusted according to actual demand, thereby improving production efficiency. Precise control of discharge amount helps to reduce waste of biomass fuel and improve resource utilization. It is also helpful to maintain the thermal efficiency of gasification furnace and further improve energy conversion efficiency.

[0035] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A biomass gasification furnace heat recovery feeding device, comprising a base (1), characterized in that: The base (1) is fixedly connected to a support frame (2) at its upper end. The support frame (2) is fixedly connected to a material distribution bucket (3) at its upper end. A first fixed plate (4) is fixedly connected to the inner wall of the material distribution bucket (3). A discharge mechanism (5) is fixedly connected to the upper end of the first fixed plate (4). A conveyor belt (6) is fixedly connected to the right end of the support frame (2). A leak-proof plate (7) is fixedly connected to the inner wall of the support frame (2). The leak-proof plate (7) is located above the conveyor belt (6). An insulation layer (8) is fixedly connected to the inner wall of the support frame (2). A pretreatment mechanism (9) is fixedly connected to the upper end of the insulation layer (8). A discharge cone (10) is fixedly connected to the lower end of the insulation layer (8). The discharge cone (10) is located above the leak-proof plate (7). The pretreatment mechanism (9) includes a second motor (91), the output end of which is fixedly connected to a second rotating rod (92), and a baffle (93) is fixedly connected to the outer surface of the second rotating rod (92). The upper end of the baffle (93) is movably connected to an inner barrel (94) via a hinge. A heating tube (95) is fixedly connected to the outer surface of the inner barrel (94), and a second fixing plate (96) is fixedly connected to the inner wall of the heating tube (95). A crushing component (97) is fixedly connected to the upper end of the second fixing plate (96).

2. The biomass gasification furnace heat recovery feeding device according to claim 1, characterized in that: The front end of the second motor (91) is fixedly connected to the insulation layer (8), the outer surface of the second rotating rod (92) is movably connected to the insulation layer (8), the outer surface of the heating tube (95) is fixedly connected to the insulation layer (8), and the heating tube (95) has a ring structure.

3. The biomass gasification furnace heat recovery feeding device according to claim 1, characterized in that: The crushing assembly (97) includes a third motor (971), the output end of which is fixedly connected to a third rotating rod (972), and nine crushing blades (973) are fixedly connected to the outer surface of the third rotating rod (972).

4. The biomass gasification furnace heat recovery feeding device according to claim 3, characterized in that: The lower end of the third motor (971) is fixedly connected to the second fixing plate (96), and the outer surface of the third rotating rod (972) is movably connected to the second fixing plate (96). The nine crushing blades (973) are divided into three groups of three: the three at the top, the three in the middle, and the three at the bottom. The three groups of crushing blades (973) are all arranged in a ring shape, and the crushing blades (973) have a structure that is thin on the outside and thick on the inside.

5. The biomass gasification furnace heat recovery feeding device according to claim 1, characterized in that: The discharge mechanism (5) includes a first motor (51), the output end of the first motor (51) is fixedly connected to a first rotating rod (52), the outer surface of the first rotating rod (52) is fixedly connected to a feed pipe (53), the upper end of the feed pipe (53) is fixedly connected to a clamping block (54), and the inner wall of the clamping block (54) is movably connected to a separating plate (55).

6. The biomass gasification furnace heat recovery feeding device according to claim 5, characterized in that: The lower end of the first motor (51) is fixedly connected to the first fixing plate (4), the outer surface of the first rotating rod (52) is movably connected to the first fixing plate (4), the material pipe (53) has a spiral structure, and the outer surface of the material distribution plate (55) is movably connected to the material distribution bucket (3).