CN217715442U

CN217715442U - Hot blast stove for biomass fuel processing

Info

Publication number: CN217715442U
Application number: CN202221758301.7U
Authority: CN
Inventors: 李万青
Original assignee: Tianjin Hengsheng Xingwang Biotechnology Co ltd
Current assignee: Tianjin Hengsheng Xingwang Biotechnology Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-11-01
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a hot-blast furnace is used in biomass fuel processing, including combustion chamber and recuperative furnace, the air intake of combustion chamber passes through the air-supply line and connects first fan, the fuel of treating the burning is deposited on perforated plate upper portion in the combustion chamber, be provided with the combustor in the combustion chamber, the bottom is inserted and is established heat conduction post in the combustion chamber is connected with the heater strip of setting in the recuperative furnace, the air intake of recuperative furnace has the second fan through the pipe connection, the air outlet of second fan is connected with the filter of installing in the recuperative furnace, the air outlet of combustion chamber passes through another air intake connection of back flow and filter. The utility model discloses structural design scientific and reasonable has effectively improved the combustion effect of fuel, has improved fuel utilization efficiency, can with the heat transfer to the regenerator furnace inside that the fuel burning produced, the heater strip effect of spiral design can enlarge downwards with the area of contact of air current to improve thermal conversion efficiency.

Description

Hot blast stove for biomass fuel processing

Technical Field

The utility model relates to a hot-blast furnace technical field specifically is a hot-blast furnace is used in biomass fuel processing.

Background

The biomass energy is energy provided by living plants in nature, and the plants store solar energy by taking the biomass as a medium, and belong to renewable energy sources. According to calculation, the energy stored by the biomass is two times larger than the total energy consumption of the world at present, the earliest energy used by human beings historically is biomass energy, and the energy used by the human beings before the later half of the 19 th century is mainly salary. In the current world energy structure, biomass energy accounts for a very small proportion. Biomass, a renewable resource, is called the fourth largest energy resource, and has a significant impact on human production and life. When the existing biomass fuel hot blast stove is used, the combustion efficiency of the fuel is low, the energy in the fuel cannot be fully utilized, the energy waste is caused, the heat exchange efficiency is low, and the combustion rate of the fuel is difficult to adjust according to the requirement. Therefore, the hot blast stove for processing the biomass fuel is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hot-blast furnace is used in biomass fuel processing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the hot blast stove for processing the biomass fuel comprises a combustion chamber and a recuperative furnace, wherein an air inlet of the combustion chamber is connected with a first fan through an air inlet pipe, the fuel to be combusted is stored at the upper part of a porous plate in the combustion chamber, a combustor is arranged in the combustion chamber, a heat conduction column arranged in the combustion chamber is inserted at the bottom of the heat conduction column and connected with a heating wire arranged in the recuperative furnace, an air inlet of the recuperative furnace is connected with a second fan through a pipeline, an air outlet of the second fan is connected with a filter arranged in the recuperative furnace, and an air outlet of the combustion chamber is connected with the other air inlet of the filter through a return pipe.

Preferably, the combustion chamber openly installs the side door, be provided with observation window and control switch on the side door.

Preferably, the first fan is installed in a support, and the top of the support is connected with the heat exchange furnace through a connecting piece.

Preferably, the heat conducting column is sleeved with a heat insulating sleeve.

Preferably, the heating wire is spirally wound in the inner cavity of the heat exchange furnace.

Preferably, a temperature sensor is arranged on an air outlet pipe of the air outlet of the heat exchange furnace.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of hot-blast furnace is used in biomass fuel processing, structural design is simple reasonable, has stronger practicality, through setting up the air-supply line that uses with the combustion chamber cooperation, first fan and combustor isotructure, can let in the outside air through first fan when lighting fuel, thereby accelerate the combustion efficiency of fuel under the air action, the combustion effect of fuel has effectively been improved, fuel utilization efficiency has been improved, through setting up heat conduction post and heater strip, can be with the heat transfer that the fuel burning produced to the regenerator inside, heater strip effect at the spiral design can enlarge the area of contact with the air current downwards, thereby improve the thermal conversion efficiency, through setting up the filter, can filter the air current that gets into the regenerator inside from the external leading-in air current and from the back flow under the second fan effect simultaneously, thereby reduce the impurity content in the air current, avoid the inside impurity of flue gas to block up the pipeline.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the internal structure of the combustion chamber of the present invention.

In the figure: 1 combustion chamber, 11 side doors, 12 observation windows, 13 control switches, 14 air inlet pipes, 15 first fans, 16 supports, 17 porous plates, 18 burners, 19 heat-conducting columns, 2 heat-exchange furnaces, 21 heating wires, 22 filters, 23 second fans, 24 air outlet pipes, 25 return pipes and 26 temperature sensors.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a hot-blast furnace is used in biomass fuel processing, including combustion chamber 1 and regenerator 2, side door 11 is installed on the combustion chamber 1 front, be provided with observation window 12 and control switch 13 on the side door 11, the air intake of combustion chamber 1 passes through air-supply line 14 and connects first fan 15, first fan 15 is installed in support 16, support 16 top is passed through the connecting piece and is connected with regenerator 2, the fuel of treating the burning is deposited on the perforated plate 17 upper portion in the combustion chamber 1, be provided with combustor 18 in the combustion chamber 1, through setting up the air-supply line 14 with 1 cooperation use of combustion chamber, first fan 15 and combustor 18 isotructure, can let in the outside air through first fan 15 when lighting the fuel, thereby accelerate the combustion efficiency of fuel under the air action, the combustion effect of fuel has effectively been improved, the fuel utilization efficiency has been improved.

The bottom is inserted and is established heat conduction post 19 in combustion chamber 1 and the heater strip 21 of setting in regenerator 2 and be connected, the outside cover of heat conduction post 19 is equipped with the radiation shield, the radiation shield adopts materials that have good thermal-insulated effect such as asbestos to make, avoid the heat to leak under the radiation shield effect, heater strip 21 is the heliciform winding and sets up at regenerator 2 inner chambers, through setting up heat conduction post 19 and heater strip 21, can be with the heat transfer of fuel burning production to regenerator 2 inside, heater strip 21 effect at the spiral design can enlarge the area of contact with the air current downwards, thereby improve the thermal conversion efficiency.

An air inlet of the heat exchange furnace 2 is connected with a second fan 23 through a pipeline, the first fan 15 and the second fan 23 are connected with a power supply and a control switch through a conducting wire, an air outlet of the second fan 23 is connected with a filter 22 installed in the heat exchange furnace 2, an air outlet of the combustion chamber 1 is connected with the other air inlet of the filter 22 through a return pipe 25, electromagnetic valves are arranged on the air inlet pipe 14 and the return pipe 25 respectively, specifically, the filter 22 comprises a shell and an internal filter screen structure, impurities in air flow are intercepted and filtered under the action of the internal filter screen, the two air inlets of the filter 22 are connected with the return pipe 25 and the air inlet of the second fan 23 respectively, through arranging the filter 22, air flow guided from the outside under the action of the second fan 23 and air flow entering the heat exchange furnace 2 from the return pipe 25 can be filtered simultaneously, so that the content of the impurities in the air flow is reduced, the pipeline blockage caused by the impurities in flue gas is avoided, a temperature sensor 26 is arranged on an air outlet pipe 24 of the heat exchange furnace 2, an outlet pipe 24 is connected with a discharge mechanism, and the temperature state of the air flow passing through the air outlet pipe 24 can be monitored in time under the action of the temperature sensor 26.

The working principle is as follows:

this kind of hot-blast furnace is used in biomass fuel processing, during the specific use, at first open side door 11, the fuel that will carry out the burning is placed at perforated plate 17 top, close side door 11 subsequently, start combustor 18 through control switch 13 and ignite the fuel, send outside air into combustion chamber 1 inner chamber through air-supply line 14 through first fan 15 in this process, combustion-supporting effect has been played under the air current effect, the heat that the fuel produced transmits for the heater strip 21 inside regenerator 2 through heat conduction post 19, introduce outside air into regenerator 2 under the effect of second fan 23, and filter the inside impurity of air through filter 22, the air current evenly contacts with heater strip 21 when passing through regenerator 2 inner chamber, thereby discharge through air-out pipe 24 after heating the air current, meanwhile, inside air current of combustion chamber 1 gets into regenerator 2 through back flow 25 inside, thereby under the cooperation of above-mentioned mechanism, make full use of the inside heat of fuel, high-efficient heat transfer flow has been realized, can in time monitor the air current temperature through air-out pipe 24 under the effect of temperature sensor 26 effect, when needing to reduce the temperature, reach the power that first fan got into 15, thereby the control of the combustion chamber is realized the control of the temperature of the combustion chamber, thereby.

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

Claims

1. The utility model provides a hot-blast furnace is used in biomass fuel processing, includes combustion chamber (1) and recuperative furnace (2), its characterized in that: the air inlet of combustion chamber (1) passes through air-supply line (14) and connects first fan (15), the fuel of treating the burning is deposited on perforated plate (17) upper portion in combustion chamber (1), be provided with combustor (18) in combustion chamber (1), the bottom is inserted and is established heat conduction post (19) in combustion chamber (1) are connected with heater strip (21) of setting in regenerator (2), there is second fan (23) air inlet of regenerator (2) through the pipe connection, the air outlet of second fan (23) is connected with filter (22) of installing in regenerator (2), the air outlet of combustion chamber (1) passes through back flow (25) and another air intake connection of filter (22).

2. The hot blast stove for processing the biomass fuel according to claim 1, characterized in that: side door (11) are openly installed in combustion chamber (1), be provided with observation window (12) and control switch (13) on side door (11).

3. The hot blast stove for processing the biomass fuel according to claim 1, characterized in that: the first fan (15) is installed in a support (16), and the top of the support (16) is connected with the heat exchange furnace (2) through a connecting piece.

4. The hot blast stove for processing the biomass fuel according to claim 1, characterized in that: and a heat insulation sleeve is sleeved outside the heat conduction column (19).

5. The hot blast stove for processing the biomass fuel according to claim 1, characterized in that: the heating wires (21) are spirally wound in the inner cavity of the heat exchange furnace (2).

6. The hot blast stove for processing the biomass fuel according to claim 1, characterized in that: and a temperature sensor (26) is arranged on an air outlet pipe (24) of an air outlet of the heat exchange furnace (2).