CN210239910U

CN210239910U - Airflow wind energy self-generating system device applied to high-rise building

Info

Publication number: CN210239910U
Application number: CN201920457705.4U
Authority: CN
Inventors: Yujun Shi; 史育军; Jianyuan Lei; 雷鉴源
Original assignee: Jiangsu Malachite New Energy Technology Co ltd
Current assignee: Jiangsu Malachite New Energy Technology Co ltd
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-04-03
Anticipated expiration: 2029-04-08

Abstract

An airflow wind energy self-generating system device applied to high-rise buildings is composed of an air extraction well, an airflow speed measuring mechanism, a vertical axis airflow generator, a temperature control sensor, a hot airflow generator, an air inlet, a horizontal line and an air flow channel; the wind power generation system process is characterized in that an air pulling well is arranged in the center of a high-rise building, hot air is generated by a hot air flow generator at the bottom of the air pulling well, the hot air generated by the hot air flow generator generates a wind tunnel principle effect under the wind pulling force of the air pulling well, a narrow tube effect is generated in an air flow channel, and the flow velocity of the air flow forms unnatural wind power; the natural energy generating capacity is large, the function of an independent power generation system is realized, and the energy is a new energy source which is freely used by power consumers in high-rise buildings.

Description

Airflow wind energy self-generating system device applied to high-rise building

Technical Field

The design is a power generation system process of rising kinetic energy of non-natural wind power hot air flow, the power generation is not influenced by natural wind energy, a self-power generation system is permanently generated in a high-rise building except an earthquake, in particular to a current wind energy self-power generation system device applied to the high-rise building, and the process belongs to the technical field of new energy.

Technical Field

The basic principle of wind power generation is as follows: wind energy has certain kinetic energy, wind energy is converted into mechanical energy through a wind turbine, a generator is dragged to generate electricity, the principle of wind power generation is that wind drives blades of the wind turbine to rotate, then the rotating speed is increased through a speed increaser to promote the generator to generate electricity, according to the current windmill technology, breeze speed of about 3m/s can start to generate electricity, the principle of wind power generation is very simple, the simplest wind power generator can be composed of the blades and the generator, kinetic energy of air flow acts on the blades, the kinetic energy is converted into mechanical energy to push the blades to rotate, a rotating shaft of the blades is connected with a rotating shaft of the generator to drive the generator to generate electricity, and the wind energy is mainly characterized in that: the energy density is low, the energy is unstable, the distribution is uneven, the energy is renewable, the energy is needed to be in windy areas, the pollution is avoided, the distribution is wide, the energy can be dispersed and utilized, in addition, the energy transportation is not needed, the energy can be mutually converted with other energy sources, and the like; the existing wind power generation system is influenced by wind power, fan blade size and weather, the rotating speed of the generator is difficult to control, the service life of the generator is short, if air is heated into natural wind power and forms a wind tunnel through artificial drainage, the flow velocity of hot air is strengthened by using a narrow tube effect in the principle of the wind tunnel in the rising process of the hot air, the kinetic energy of the flowing hot air can act on an impeller of the generator to form constant unnatural wind power generation, and the formation of wind is the result of the flowing air. The wind is the air moving horizontally, the air movement is mainly formed by different intensities of solar radiation received by latitudes on the earth, the air flows from a high pressure to a low pressure like water flow, the solar energy is the reason of forming atmospheric pressure difference, because an included angle of 66.5 degrees exists between an axis of revolution of the earth and a revolution axis surrounding the sun, the sun irradiation angles of different places on the earth are different, the angle is also changed in the same place in a year, the solar radiation energy received by a place on the earth is in direct proportion to the sine of the solar irradiation angle of the place, the wind direction and the wind speed are two important parameters describing the wind, the wind direction refers to the direction from which the wind blows, if the wind blows from the east, the wind speed refers to the speed of wind movement, namely the distance over which the air flows in unit time, the wind speed refers to the average value of each measured instantaneous wind speed of 10min continuously at a certain height, typically the average value of wind speed over 10min at 10m above the grass is used as a reference.

Disclosure of Invention

Therefore, according to the defects, the process of the airflow wind energy self-generating system applied to the high-rise building is designed, the narrow tube effect in the wind tunnel principle is utilized to generate hot airflow, unnatural wind power is formed to generate electricity, when the airflow is under the wind pulling force of the high port of the wind pulling well, the air flow rate entering the air inlet drives the vertical axis airflow generator, the hot airflow generator is ensured to supply hot airflow under the rainy weather, the hot airflow is rapidly raised when cold air sucked by the air inlet flows through the hot airflow generator, the airflow wind speed in the air flow channel impacts the rotating impeller of the vertical axis airflow generator to enhance the rotating speed under the assistance of the wind pulling force of the high port of the wind pulling well, and the electricity generation amount of the air energy generator is; the N vertical axis airflow generator sets are installed in the air flow channel, because the wind speed is a random large quantity, the average condition of the wind power generation sets must be known through observation for a period of time, the potential of wind energy of a place depends on the annual average wind energy density of the place, so the average wind energy density in a period of time needs to be obtained, the value can be obtained by averaging the time integration of a wind energy density formula, and after the probability distribution p (V) of the wind speed V is known, the average wind energy density can also be obtained according to the following formula.

The vertical axis wind generating set is a device for converting wind energy into electric energy, and can be divided into the following parts according to the capacity: the small (below 10 kw), medium (10-100 kw) and large (above 100kw) wind generating sets can be divided into: the horizontal axis wind turbine generator is the most successful form of wind turbine in all countries in the world at present, and has the main advantages that the wind wheel can be erected at a place higher than the ground, so that the influence of ground disturbance on the dynamic characteristics of the wind wheel is reduced, and the main mechanical parts of the wind turbine generator are arranged in a cabin, such as a main shaft, a gear box, a generator, a hydraulic system, a direction adjusting device and the like. The countries for producing the vertical axis wind driven generator are few, the main reason is that the vertical axis wind driven generator has low efficiency, and the process of the airflow wind energy self-generating system applied to the high-rise building solves the problem of low efficiency of the vertical axis wind driven generator.

A process of an airflow wind energy self-generating system applied to high-rise buildings comprises an air shaft, an airflow speed measuring mechanism, a vertical axis airflow generator, a temperature control sensor, a hot airflow generator, an air inlet, a horizontal line and an air flow channel; the method is characterized in that: the wind power generation system process is characterized in that an air pulling well is arranged in the center of a high-rise building, hot air is generated by a hot air flow generator at the bottom of the air pulling well, the hot air generated by the hot air flow generator generates a wind tunnel principle effect under the wind pulling force of the air pulling well, a narrow tube effect is generated in an air flow channel, and the flow velocity of the air flow forms unnatural wind power; the process design calculates the diameter of an air pulling well according to the height and the length of a high-rise building, the diameter of an air flow channel is N meters, the diameter ratio of the air pulling well to the air flow channel is 2:1, the air pulling well is designed in the center of the interior of the high-rise building structure, the air flow channel is buried underground of the high-rise building, the bottom end of the air pulling well is communicated with the center of the length of the air flow channel, the air pulling well raises hot air flow generated by a hot air flow generator, the hot air flow forms extremely fast wind absorption force, an air inlet and the air flow channel are connected into a horn shape, the diameter of the horn mouth of the air inlet is relatively equal to the diameter of the air pulling well, and air flow; n vertical axis airflow generators are arranged in the air flow channel at intervals up and down, three fifths of the wind wheel rotary drum of each vertical axis airflow generator is exposed in the air flow channel, when airflow is under the suction force of a high port of the draft shaft, the suction force of the rising hot airflow is under the action of the horn-shaped air inlet, the airflow entering the air flow channel is accelerated under the formation of a narrow tube effect, and the hot airflow forms a high-speed suction force to rapidly drive the vertical axis airflow generators; and rotating airflow wind power is formed to impact the rotating drum wind wheel of the vertical shaft airflow generator to drive the generator to generate power.

The hot airflow generator consists of: the annular rotating pipe is in threaded connection with an electric heater, the annular rotating pipe upwards winds the inner wall of the bottom of the air pulling well, a circle of small circle of ground plate is turned into a pagoda shape, when air of an air inlet passes through the air flow channel and is heated by the annular rotating pipe under the wind pulling force of the air pulling well, the flow rate of formed hot air self-lifting force under the wind pulling force of the air pulling well is increased, under the unequal-diameter connection of the horn-shaped air inlet and the air flow channel, the flow rate of the air in the air flow channel is promoted to generate a narrow pipe effect to accelerate, heat conducting media in the annular rotating pipe are liquid molten salts, the annular rotating pipe can also be replaced by various electric heating pipes, and the generated energy of the N vertical axis airflow generators can basically meet the consumption of all electric appliance users in a high-rise building and comprises the electric heating energy.

The vertical axis airflow generator is characterized in that rotating airflow blades of the vertical axis airflow generator are vertical axis type wind wheel rotating drums, a wind wheel rotating drum shaft flange is connected with the vertical axis airflow generator, the vertical axis airflow generator is embedded in a machine pit on a channel wall of an air flow channel, two fifths of the diameters of the wind wheel rotating drums connected with the vertical axis airflow generator are exposed in the channel of the air flow channel, one fifth of the diameters of the wind wheel rotating drums is a central rotating shaft of the wind wheel rotating drums, the remaining two fifths of the diameters of the wind wheel rotating drums are in the machine pit of the channel wall of the air flow channel, the vertical axis airflow generators are arranged in the channel of the air flow channel at intervals of N, and the inner diameter of the air flow channel;

the air flow channel is a square or round stainless steel coil pipe embedded underground in the high-rise building, air inlets connected with two ends of the air flow channel are arranged in a ground protective cover, the bottom of the air pulling shaft is welded on a port at the length center of the air flow channel through the stainless steel coil pipe connector, the welding line on the inner wall of the stainless steel coil pipe is polished smooth and anti-coagulation, the requirement of airflow and wind speed is met, the requirement of smoothness of the inner wall of the air flow channel can also be met by adopting a hardening coating agent to replace the stainless steel coil pipe, and the air flow channel has the defects.

The airflow speed measuring mechanism and the temperature control sensor are as follows: the airflow speed measuring mechanism consists of an airflow flow sensor, a wind power flow speed measuring instrument and a wireless data transmitter, three sets of airflow speed measuring mechanisms are respectively arranged on a set part of an air drawing well and an air inlet, wherein foot bolts of the two sets of airflow speed measuring mechanisms are respectively arranged on a connecting part of a neck part of a horn-shaped air inlet and an air flow channel, foot bolts of the other set of airflow speed measuring mechanism are arranged on a wind drawing well head exposing the top of a high-rise building, a temperature control sensor is arranged in an inner wall hole at the middle section of the air drawing well, when the heat of hot airflow in the air drawing well exceeds the set value of the temperature control sensor, a signal of the wireless data transmitter of the airflow speed measuring mechanism is received by a central control room in the high-rise building, a program instruction of the central control room stops the electric heating of the hot airflow generator, the rising flow rate of the hot airflow in the, when the airflow wind power required by the vertical axis airflow generator is not enough, the wireless data transmitter signal of the airflow speed measuring mechanism is received by a central control room in a high-rise building, the central control room program instructs the airflow generator to perform electric heating, the rising flow rate of hot airflow in the draft shaft is stabilized, the airflow wind power of the air flow channel is enhanced under the assistance of the draft force of the draft shaft, and the airflow wind power required by the vertical axis airflow generator in the air flow channel is ensured. (refer to the attached drawings of the specification)

According to the airflow wind energy self-generating system for the high-rise building, the vertical axis airflow generator generates permanent unnatural wind kinetic energy in the air flow channel by the ascending force of hot airflow under the action of the hot airflow generator and the wind pulling well wind pulling force to generate electricity, and the vertical axis airflow generator has an independent generating system function and is not influenced by natural wind energy, so that the generating capacity of the air energy generator is ensured; the airflow wind energy self-generating system of the high-rise building is simple in design and firm to build, has large natural energy generating capacity, has an independent power generating system function, can be designed by adopting N airflow wind energy self-generating systems according to the area of the high-rise building and the quantity of power consumers, and meets the requirement of free new energy used by the power consumers of the high-rise building.

The wind power generation system process comprises the steps that a hot air flow generator at the bottom of an air drawing well generates hot air flow, the hot air flow generator generates the hot air flow, under the wind drawing force of the air drawing well, the wind tunnel principle effect is formed, the narrow tube effect is generated in an air flow channel, and the flow velocity of the air flow forms unnatural wind power; the natural energy generating capacity is large, the function of an independent power generation system is realized, and the energy is a new energy source which is freely used by power consumers in high-rise buildings.

Drawings

FIG. 1 is a schematic diagram of: the structure schematic diagram of the airflow wind energy self-generating device;

FIG. 2 is a diagram of: a schematic view of a hot gas flow generator;

FIG. 3 is a diagram of: the process schematic diagram of the airflow wind energy self-generating system of the high-rise building;

the attached diagram is as follows: the air draft shaft =1, the airflow speed measuring mechanism =2, the vertical axis airflow generator =3, the temperature control sensor =4, the hot airflow generator =5, the air inlet =6, the horizon =7 and the air flow channel = 8.

Detailed Description

The utility model provides an air current wind energy is from generating electricity system device for high-rise building, by drawing out wind well 1, air current speed measuring mechanism 2, vertical axis air current generator 3, temperature control sensor 4, hot airflow generator 5, air intake 6, horizon 7, air runner 8 constitute characterized by: the air pulling well 1 is arranged in the center of a high-rise building, the bottom of the air pulling well 1 is connected with the air flow channel 8 through a stainless steel coil connector, the air flow channel 8 is a stainless steel coil pipe, the stainless steel coil connector is welded in the center of the length of the air flow channel 8, and the stainless steel coil connector in the center of the air flow channel 8 is inserted in the bottom of the air pulling well 1; three sets of airflow speed measuring mechanisms 2 are installed in a self-generating system device, wherein one set of airflow speed measuring mechanism 2 is installed on a wellhead exposed out of a high-rise building top-pulling air shaft 1 through bolts, the other two sets of airflow speed measuring mechanisms are installed on connecting positions of a horn neck of an air inlet 6 and two ends of an air flow channel 8 through bolts respectively, the horn neck of the air inlet 6 is welded with the air flow channel 8 through stainless steel, the air inlet 6 and the air flow channel 8 are made of stainless steel coiled pipes, footing bolts of a vertical shaft airflow generator 3 are installed in machine pits of an upper installation chamber and a lower installation chamber of the air flow channel 8 through threads, an installation chamber of the vertical shaft airflow generator 3 is arranged in the upper inner wall and the lower inner wall of the air flow channel 8 at equal intervals, and a; the temperature control sensor 4 is preset in a setting hole on the inner wall part of the middle section of the air shaft 1, the signal emission frequency of the temperature control sensor 4 is exchanged with the signal emission frequency of the air shaft 1 on the top of a high-rise building, and the airflow speed measuring mechanism 2 is arranged on the top of the high-rise building; the hot air flow generator 5 is composed of an annular rotating pipe which is in threaded connection with an electric heater, the annular rotating pipe is upwards coiled along the inner wall of the bottom of the air-extracting shaft 1, a small coil of the annular rotating pipe is coiled into a pagoda shape, and the pagoda-shaped top of the annular rotating pipe is fixed on the inner wall of the air-extracting shaft 1 by a cross support frame through threads; the air inlet 6 is a horn-shaped stainless steel coil pipe, a horn mouth is communicated with the louver protection device on the ground, and two ends of an air flow channel 8 of the stainless steel coil pipe are connected with the horn neck stainless steel of the air inlet 6 in a welding mode.

Firstly, arranging an air pulling well in the center of a high-rise building, generating hot air flow by a hot air flow generator at the bottom of the air pulling well, forming a wind tunnel principle effect to generate a narrow tube effect in an air flow channel under the wind pulling force of the air pulling well, and forming unnatural wind power by the flow velocity of the air flow; firstly, when a high-rise building foundation is excavated, a ditch of an air flow channel 8 is excavated according to the feasible length center of the bottom of the high-rise building, the diameter of the air flow channel 8 is N meters, a machine pit installation chamber of a vertical axis airflow generator 3 is built on earth and stones on the ditch of the air flow channel 8, when the high-rise building is built, the diameter of an air pulling shaft 1 is calculated according to the height and the length of the high-rise building, the diameter ratio of the air pulling shaft 1 to the air flow channel 8 is 2:1, the air pulling shaft 1 is designed in the center of the high-rise building, the air flow channel 8 is buried underground of the high-rise building, the bottom end of the air pulling shaft 1 is communicated with the center part of the length of the air flow channel 8, the air pulling shaft 1 raises hot airflow generated by a hot airflow generator 5, the hot airflow forms a high-speed air suction force, an air inlet 6 is connected with the air flow, the air flow entering from the air inlets 6 at the two ends of the air flow channel 8 is promoted to generate a narrow tube effect; n vertical axis airflow generators 3 are arranged in the air flow channel 8 at intervals up and down, the wind wheel rotary drum of each vertical axis airflow generator 3 is exposed by three fifths in the air flow channel 8, when airflow is under the suction force of a high port of the draft shaft 1, the suction force of rising hot airflow is under the action of the horn-shaped air inlet 6, the airflow entering the air flow channel 8 is accelerated under the formation of a narrow tube effect, and the hot airflow forms a high-speed suction force to rapidly drive the vertical axis airflow generators 3; and rotating airflow wind power is formed to impact the rotating drum wind wheel rotating speed of the vertical shaft airflow generator 3 to drive the generator to generate power.

The annular rotating pipe of the hot air flow generator 5 is in threaded connection with an electric heater, the annular rotating pipe upwards circles along the inner wall of the bottom of the air pulling well 1, a circle of small circle of ground is turned into a pagoda shape, when air in the air inlet 1 passes through the air flow channel 8, the air passes through the annular rotating pipe under the wind pulling force of the air pulling well 1 to be heated, the flow rate of formed hot air self-lifting force is increased under the wind pulling force of the air pulling well 1, under the unequal diameter connection of the horn-shaped air inlet 6 and the air flow channel 8, the flow rate of the air in the air flow channel 8 is promoted to generate a narrow pipe effect to be accelerated, a heat conducting medium in the annular rotating pipe is liquid molten salt, the annular rotating pipe can also be replaced by various electric heating pipes, the generated energy of the N vertical axis air flow generators 3 can completely meet the power consumption of all electric appliance users in a high-rise; the airflow fan blade rotating by the vertical axis airflow generator 3 is set as a vertical axis type wind wheel rotary drum, the shaft of the wind wheel rotary drum is connected with the shaft of the vertical axis airflow generator 3 through a flange, the vertical axis airflow generator 3 is embedded in a machine pit installation chamber on the channel wall of an air channel 8, two fifths of the diameter of the wind wheel rotary drum connected with the vertical axis airflow generator 3 is exposed in the channel of the air channel 8, one fifth of the diameter is the central rotating shaft of the wind wheel rotary drum, the rest two fifths of the diameter of the wind wheel rotary drum is left in the machine pit installation chamber on the channel wall of the air channel, such an installation enables sufficient installation space of the vertical axis airflow generator 3 in the passage of the air flow path 8, n vertical axis airflow generators 3 are arranged in the inner wall of the air flow channel 8 at intervals up and down, and airflow speed generating a narrow tube effect is designed by reducing the inner diameter of the space of the air flow channel 8.

The air flow channel 8 is designed into a square or round stainless steel coil pipe, the stainless steel coil pipe is buried in a trench pre-dug underground in a high-rise building, the air inlets 6 connected with two ends of the air flow channel 8 are communicated with a protective cover arranged on the ground, the bottom of the air pulling well 1 is welded on a through hole in the length center of the air flow channel 8 through the stainless steel coil pipe connector, the welding line on the inner wall of the stainless steel coil pipe is polished to be smooth and anti-coagulation, the requirement of airflow speed is met, the inner wall of the air flow channel 8 can be smooth and the hardened coating agent can be adopted to replace the stainless steel coil pipe, and the defects that the air flow channel 8 is;

the airflow speed measuring mechanism 2 is composed of an airflow flow sensor, a wind power flow velocity measuring instrument and a wireless data transmitter, three sets of airflow speed measuring mechanisms 2 are respectively arranged on the set parts of the air shaft 1 and the air inlet 6, wherein, the footing bolts of two sets of airflow speed measuring mechanisms 2 are respectively arranged on the part of the air flow channel 8 connected with the neck part of the trumpet-shaped air inlet 6, the footing bolt of the other set of airflow speed measuring mechanism 2 is arranged in the well mouth of the air shaft 1 exposed out of the top of the high-rise building, the temperature control sensor 4 is arranged in the inner wall hole of the middle section of the air shaft 1, when the heat of the hot airflow in the air shaft 1 exceeds the set value of the temperature control sensor 4, the signal of the wireless data transmitter of the airflow speed measuring mechanism 2 is received by the central control room in the high-rise building, the program instruction of the central control room stops the electric heating of the hot airflow, when the airflow speed measuring mechanism 2 of the air inlet 1 measures and calculates the airflow wind power entering the air flow channel 8 and the airflow wind power required by the vertical axis airflow generator 3 is not enough, a wireless data transmitter signal of the airflow speed measuring mechanism 2 is received by a central control room in a high-rise building, a program of the central control room instructs the hot airflow generator 5 to perform electric heating and heating, the rate of the rising flow of the hot airflow in the air shaft 1 is stabilized, the airflow wind power of the air flow channel 8 is enhanced under the assistance of the wind pulling force of the air shaft 1, and the airflow wind power required by the vertical axis airflow generator 3 in the air flow channel 8 is ensured.

The rotary impellers of the innovatively designed vertical axis airflow generator are uniformly distributed in the air flow channel, the natural wind power generation amount in the air flow channel is strong with the help of the draft shaft, and the vertical axis airflow generator has the characteristics of simple installation, convenient maintenance and low cost, and technical personnel in the industry; the process can be fully reproduced through the bulletin document, and the design is not limited by the scope of the above embodiments, which are described in the above embodiments and the specification; illustrating only the innovative principles of this design and without departing from its spirit and scope, there are alterations and modifications, such as increased service life, equipment maintenance costs, etc., which fall within the scope of the claimed design, which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a be applied to high-rise building's air current wind energy from generating electricity system device, comprises air shaft (1), air current speed measuring mechanism (2), vertical axis air current generator (3), temperature control sensor (4), hot airflow generator (5), air intake (6), horizon (7), air runner (8), characterized by: the air pulling shaft (1) is arranged in the center of a high-rise building, the bottom of the air pulling shaft (1) is connected with an air flow channel (8) through a stainless steel coil connector, the air flow channel (8) is a stainless steel coil, the stainless steel coil connector is welded in the center of the length of the air flow channel (8), and the stainless steel coil connector in the center of the air flow channel (8) is inserted in the bottom of the air pulling shaft (1).

2. The airflow wind energy self-generating system device applied to the high-rise building according to claim 1, characterized in that: install three sets of air current speed measurement mechanism (2) among the self generating system device, one of them set of air current speed measurement mechanism (2) bolt installation is in exposing the well head of high-rise building top-pulling air shaft (1), and another two sets of bolts are installed respectively on the hookup location at air intake (6) horn neck and air runner (8) both ends, and air intake (6) horn neck and air runner (8) stainless steel welding, and air intake (6) and air runner (8) material are the stainless steel reelpipe.

3. The airflow wind energy self-generating system device applied to the high-rise building according to claim 1, characterized in that: the bottom stud of the vertical axis airflow generator (3) is installed in the upper and lower installation chamber machine pits of the air flow channel (8) in a threaded manner, the installation chambers of the vertical axis airflow generator (3) are arranged in the upper and lower inner walls of the air flow channel (8) at equal intervals, and the rotary drum impeller of two fifths of the vertical axis airflow generator (3) is exposed in the air flow channel (8).

4. The airflow wind energy self-generating system device applied to the high-rise building according to claim 1, characterized in that: the temperature control sensor (4) is preset in a setting hole in the inner wall of the middle section of the air shaft (1), and the signal transmitting frequency of the temperature control sensor (4) is exchanged with the signal transmitting frequency in the wellhead of the air shaft (1) on the top of the high-rise building and on the airflow speed measuring mechanism (2).

5. The airflow wind energy self-generating system device applied to the high-rise building according to claim 1, characterized in that: hot airflow generator (5)

The electric heating device is composed of an annular rotating pipe in threaded connection with an electric heater, the annular rotating pipe is upwards coiled along the inner wall of the bottom of the air pulling well (1), a small coil of the annular rotating pipe is coiled into a pagoda shape, and the pagoda-shaped top of the annular rotating pipe is fixed on the inner wall of the air pulling well (1) through cross support frame threads.

6. The airflow wind energy self-generating system device applied to the high-rise building according to claim 1, characterized in that: the air inlet (6) is a horn-shaped stainless steel coil pipe, the horn mouth is communicated with the ground louver protection device, and the two ends of the air flow channel (8) of the stainless steel coil pipe are connected with the horn neck stainless steel of the air inlet (6) in a welding mode.