CN221287521U - System for utilize generator tail gas to heat material - Google Patents

Abstract

The utility model discloses a system for heating materials by utilizing generator tail gas, which relates to the technical field of biogas power generation and comprises a chimney, a prediction tank and a high-pressure fan, wherein an air inlet pipe is fixedly communicated with the chimney, the input end of the high-pressure fan is fixedly communicated with the chimney, and the output end of the high-pressure fan is provided with an air supply assembly for supplying air to the prediction tank at multiple points. According to the utility model, the tail gas in the chimney is sent to a plurality of positions in the pre-charging tank through the air supply assembly by utilizing the high-pressure fan, so that the tail gas can heat materials at a plurality of positions in the pre-charging tank, the stirring assembly is used for stirring the materials in the pre-charging tank, the fluidity of the materials in the pre-charging tank is improved, the heating efficiency of the materials is further improved, the heat-radiated tail gas is returned to the inside of the chimney by utilizing the return assembly for discharging, the heat in the tail gas of the generator can be fully utilized, the materials still have a proper anaerobic temperature in winter, and the anaerobic fermentation efficiency of the materials is further improved.

Description

A system for heating materials using generator tail gas

Technical Field

The utility model relates to the technical field of biogas power generation, in particular to a system for heating materials by utilizing tail gas from a generator.

Background technique

Biogas combustion power generation is a biogas utilization technology that has emerged with the continuous development of large-scale biogas digesters and comprehensive biogas utilization. It uses the biogas produced by anaerobic fermentation treatment on the engine and is equipped with a comprehensive power generation device to generate electricity and heat energy. Biogas power generation has the characteristics of efficiency, energy saving, safety and environmental protection. It is a widely distributed and inexpensive distributed energy source.

In the north, the temperature is generally below 0℃ in winter, which is a constant test for the anaerobic fermentation of biogas. How to ensure the anaerobic temperature in winter is a problem that we always face. Therefore, it is necessary to preheat the low-temperature materials before anaerobic feeding. To this end, we provide a system that uses the exhaust gas of the generator to heat the materials to solve the above problems.

Utility Model Content

1) Technical issues solved

The purpose of the utility model is to make up for the deficiencies of the prior art and provide a system for heating materials by utilizing the tail gas of a generator.

2) Technical solution

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a system for heating materials by utilizing the exhaust gas of a generator, comprising a chimney, a feed tank, and a high-pressure fan, wherein the chimney is fixedly connected with an air inlet pipe, the input end of the high-pressure fan is fixedly connected with the chimney, the output end of the high-pressure fan is provided with an air supply assembly for supplying air to multiple points in the feed tank, the air supply assembly comprises a collecting box fixedly connected with the output end of the high-pressure fan, a temperature monitor and a pressure monitor are installed on the collecting box, the collecting box is fixedly connected with equidistantly arranged shunt pipes, one end of the shunt pipes passes through the feed tank and extends to the interior of the feed tank, and a butterfly valve is installed on the shunt pipes.

A feed pipe and a discharge pipe are fixedly connected to the preparation tank, and the feed pipe is located above the discharge pipe. A stirring assembly for stirring the material in the preparation tank is provided on the preparation tank, and the stirring assembly includes a speed regulating motor fixedly connected to the preparation tank, and the output shaft of the speed regulating motor passes through the preparation tank and is equipped with a rotating plate, a rotating rod is rotatably connected to the rotating plate, a gear and a stirring rod are fixedly connected to the rotating rod, and the stirring assembly also includes a circular ring fixedly connected to the top wall of the preparation tank, the inner wall of the circular ring is fixedly connected with teeth, and the teeth mesh with the gear.

The feed tank is also provided with a reflux assembly for returning gas to the chimney. The reflux assembly includes a reflux pipe fixedly connected to the bottom of the feed tank. One end of the reflux pipe away from the feed tank is fixedly connected to the chimney. A filter is installed on the reflux pipe.

3) Beneficial effects:

Compared with the prior art, the system for heating materials using generator exhaust gas has the following beneficial effects:

The utility model uses a high-pressure fan, an air supply component, a stirring component and a reflux component to coordinately arrange the exhaust gas in the chimney through the air supply component, so that the exhaust gas can heat the material at multiple positions in the anticipation tank, and the stirring component can stir the material in the anticipation tank to improve the fluidity of the material in the anticipation tank, thereby improving the heating efficiency of the material, and then uses the reflux component to return the exhaust gas after heat dissipation to the inside of the chimney for discharge, which can fully utilize the heat in the generator exhaust gas, so that the material can still have a suitable anaerobic temperature in winter, thereby improving the anaerobic fermentation efficiency of the material.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the structure of the utility model;

FIG. 2 is an enlarged schematic diagram of the structure at point A in FIG. 1 of the present invention.

In the figure: 1. Chimney; 2. Pre-heating tank; 3. Air inlet pipe; 4. High-pressure fan; 5. Collection box; 6. Temperature monitor; 7. Pressure monitor; 8. Diverter pipe; 9. Butterfly valve; 10. Return pipe; 11. Filter; 12. Speed regulating motor; 13. Feed pipe; 14. Discharge pipe; 15. Ring; 16. Teeth; 17. Turn plate; 18. Rotating rod; 19. Gear; 20. Stirring rod.

Detailed ways

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

As shown in Figures 1-2, the utility model provides a technical solution: a system for heating materials using the exhaust gas of a generator, comprising a chimney 1, a feed tank 2, and a high-pressure fan 4. The chimney 1 is fixedly connected with an air inlet pipe 3, and the exhaust gas generated during the operation of the biogas generator can be discharged into the chimney 1 through the air inlet pipe 3. The input end of the high-pressure fan 4 is fixedly connected to the chimney 1, and the connection between the high-pressure fan 4 and the chimney 1 is opposite to the air inlet pipe 3, so that the exhaust gas can be directly sucked into the interior of the high-pressure fan 4. The output end of the high-pressure fan 4 is provided with an air supply component for supplying air to multiple points in the feed tank 2.

The air supply component includes a collecting box 5 fixedly connected to the output end of the high-pressure blower 4, and a temperature monitor 6 and a pressure monitor 7 are installed on the collecting box 5. The temperature monitor 6 can monitor the pressure and temperature of the exhaust gas in the collecting box 5. The collecting box 5 is fixedly connected with equidistantly arranged diverter pipes 8, one end of the diverter pipe 8 passes through the feed tank 2 and extends to the interior of the feed tank 2. A butterfly valve 9 is installed on the diverter pipe 8, and the flow state of the exhaust gas in the diverter pipe 8 can be controlled by the butterfly valve 9.

The feed pipe 13 and the discharge pipe 14 are fixedly connected to the feed tank 2, and the feed pipe 13 is located above the discharge pipe 14. The feed into the feed tank 2 is completed through the feed pipe 13, and the discharge of the material in the feed tank 2 can be completed through the discharge pipe 14. The feed tank 2 is provided with a stirring assembly for stirring the material in the feed tank 2. The stirring assembly includes a speed regulating motor 12 fixedly connected to the feed tank 2. The output shaft of the speed regulating motor 12 passes through the feed tank 2 and is installed with a rotating plate 17. The rotating plate 17 is rotatably connected with a rotating rod 18. The rotating rod 18 is fixedly connected with a gear 19 and a stirring rod 20. The stirring assembly also includes a ring 15 fixedly connected to the inner top wall of the feed tank 2. The inner wall of the ring 15 is fixedly connected with teeth 16, and the teeth 16 are meshed with the gear 19. The rotating plate 17 is driven to rotate by the output shaft of the speed regulating motor 12. Under the action of the teeth 16 and the gear 19, the rotating plate 17 can drive the rotating rod 18 to rotate in a circle, and at the same time, the rotating rod 18 can rotate by itself, so that the stirring rod 20 can fully stir the material.

The feed tank 2 is also provided with a reflux component for returning the gas to the chimney 1. The reflux component includes a reflux pipe 10 fixedly connected to the bottom of the feed tank 2. The end of the reflux pipe 10 away from the feed tank 2 is fixedly connected to the chimney 1. A filter 11 is installed on the reflux pipe 10. The reflux pipe 10 can return the exhaust gas after heat dissipation in the feed tank 2 to the inside of the chimney 1 again, and the filter 11 can filter and separate the material residues mixed in the exhaust gas.

Working principle: First, pour the material into the inside of the feed tank 2 through the feed pipe 13, then start the high-pressure fan 4 to transport the generator exhaust gas within the chimney to the collecting box 5, and under the action of the diversion pipe 8, the exhaust gas is transported to the inside of the feed tank 2 at multiple points, and at the same time, start the speed regulating motor 12, so that the output shaft of the speed regulating motor 12 drives the rotating plate 17 to rotate, and under the action of the teeth 16 and the gear 19, the rotating plate 17 can drive the rotating rod 18 to rotate in a circle, and at the same time, the rotating rod 18 can self-rotate, so that the stirring rod 20 can fully stir the material, which can speed up the heating efficiency of the material, and finally, the reflux pipe 10 can return the exhaust gas after heat dissipation in the feed tank 2 to the inside of the chimney 1 again, and the filter 11 can filter and separate the material residue mixed in the exhaust gas, and can make full use of the heat in the generator exhaust gas, so that the material can still have a suitable anaerobic temperature in winter, thereby improving the anaerobic fermentation efficiency of the material.

It should be noted that, in this article, the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "fixed", "installed", "connected", and "connected" should be understood in a broad sense. For example, "installed" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a mechanical connection or an electrical connection; "connected" can be a direct connection, an indirect connection through an intermediate medium, or a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A system for heating materials by utilizing generator tail gas, which is characterized in that: including chimney (1), anticipate jar (2), high-pressure fan (4), fixed intercommunication has air-supply line (3) on chimney (1), the input of high-pressure fan (4) is fixed to be linked together on chimney (1), the output of high-pressure fan (4) is provided with the subassembly of supplying air to the multiple spot in anticipating jar (2), be provided with on anticipating jar (2) and be used for the stirring subassembly to anticipating the material stirring in jar (2), still be provided with on anticipating jar (2) and be used for the backward flow subassembly in with gaseous backward flow to chimney (1).

2. A system for heating materials using generator tail gas as set forth in claim 1, wherein: the air supply assembly comprises a collection box (5) fixedly communicated with the output end of the high-pressure fan (4), a temperature monitor (6) and a pressure monitor (7) are installed on the collection box (5), the collection box (5) is fixedly communicated with equally-spaced shunt pipes (8), one ends of the shunt pipes (8) penetrate through the pre-material tank (2) and extend to the inside of the pre-material tank (2), and butterfly valves (9) are installed on the shunt pipes (8).

3. A system for heating materials using generator tail gas as set forth in claim 1, wherein: the feeding pipe (13) and the discharging pipe (14) are fixedly communicated with the anticipating tank (2), and the feeding pipe (13) is located above the discharging pipe (14).

4. A system for heating materials using generator tail gas as set forth in claim 1, wherein: the stirring assembly comprises a speed regulating motor (12) fixedly connected to the expected tank (2), an output rotating shaft of the speed regulating motor (12) penetrates through the expected tank (2) and is provided with a rotating plate (17), a rotating rod (18) is rotatably connected to the rotating plate (17), and a gear (19) and a stirring rod (20) are fixedly connected to the rotating rod (18).

5. A system for heating materials using generator tail gas as set forth in claim 4, wherein: still include ring (15) of fixed connection in anticipation jar (2) inner roof in the stirring subassembly, the inner wall fixedly connected with tooth (16) of ring (15), and tooth (16) with gear (19) mesh.

6. A system for heating materials using generator tail gas as set forth in claim 1, wherein: the backflow assembly comprises a backflow pipe (10) fixedly connected to the bottom of the anticipating tank (2), one end, away from the anticipating tank (2), of the backflow pipe (10) is fixedly communicated with the chimney (1), and a filter (11) is arranged on the backflow pipe (10).