CN211060092U - Steam and hot air integrated machine - Google Patents

Abstract

The utility model provides a steam and hot air integrated machine, which comprises a lower machine body, an upper machine body, a flue, a waste heat collecting channel, a combustion-supporting air inlet pipe, a feeder and an automatic igniter; the lower machine body consists of a combustion furnace, a first water tank, a first preheating cavity, a second water tank, a second preheating cavity and a steam instant heat generator; the combustion furnace consists of a furnace body, an ash discharge cavity, a preheating cavity III, a preheating cavity IV and a combustion-supporting air pipe; the first water tank, the first preheating cavity, the second water tank and the second preheating cavity are sequentially arranged on the outer side of the furnace body from inside to outside in an annular mode; the upper machine body consists of a heating cylinder, a steam delivery pipe, a steam heating pipe, a hot air delivery pipe, a hot air pipe I, a hot air pipe II, a hot air pipe III, a hot air pipe IV and a hot air pipe V which are sequentially arranged on the outer side of the heating cylinder in an annular mode from inside to outside. The utility model discloses combine steam boiler and hot-blast furnace organic together, avoided opening repeatedly and shut down, the extravagant serious condition of the energy loss that leads to takes place, and the thermal efficiency is high, and energy utilization is rateed greatly, and the heat loss is little, and combustion efficiency is good, fuel saving.

Description

Steam and hot air integrated machine

Technical Field

The utility model relates to a fire burning furnace technical field, concretely relates to hot-blast all-in-one of steam.

Background

The steam boiler and the hot blast stove are devices widely used in the industries of food, medicinal materials, textile, papermaking, chemical engineering, metallurgy, building materials and the like, and the steam boiler is started when steam is needed; when hot air is needed, the hot blast stove is started, the two stove types are mutually converted, and the operation is stopped, so that the trouble is caused, and the imbalance of supply and demand and the periodic change of the combustion process are caused. This results in low heat efficiency of steam boiler and hot blast stove, especially the heat loss of incomplete combustion of solid is increased, and the energy loss and waste are serious.

SUMMERY OF THE UTILITY MODEL

To the problem, an object of the utility model is to provide an operation thermal efficiency is high, and energy utilization is high, and the heat loss is little, and combustion efficiency is high, the hot-blast all-in-one of steam of fuel saving. The specific technical scheme is as follows:

a steam and hot air integrated machine comprises a lower machine body, an upper machine body, a flue, a waste heat collecting channel, a combustion-supporting air inlet pipe, a feeder and an automatic igniter.

The lower machine body consists of a combustion furnace, a first water tank, a first preheating cavity, a second water tank, a second preheating cavity and a steam instant heat generator.

The combustion furnace is arranged in the center of the lower machine body and consists of a furnace body, an ash discharge cavity, a preheating cavity III, a preheating cavity IV and a combustion-supporting air pipe; the furnace body is a cylinder body which is arranged at the top of the combustion furnace and is provided with an upper opening and a lower opening, the bottom of the inner side of the furnace body is provided with a hearth, and the outer wall of the hearth is filled with refractory mortar; the ash discharge cavity is arranged at the bottom of the combustion furnace, and the top and the side surfaces of the ash discharge cavity are opened; a hollow furnace bridge which is positioned right below the furnace chamber is arranged at the opening at the top of the ash discharging cavity; an ash box which is positioned under the furnace bridge and can be drawn in and out of the ash discharging cavity is arranged at the side opening of the ash discharging cavity; the preheating cavity is arranged at the outer side of the ash discharge cavity in a three-ring manner; the four preheating cavity rings are arranged at the outer side of the bottom of the furnace body and are positioned above the third preheating cavity, and a through hole penetrating through the third preheating cavity and the fourth preheating cavity is formed in a partition plate between the third preheating cavity and the fourth preheating cavity; and the combustion-supporting air pipe is arranged at the bottom of the furnace body, one end of the combustion-supporting air pipe extends into the preheating cavity IV, and the other end of the combustion-supporting air pipe extends into the hearth and is positioned above the furnace bridge.

The first water tank, the first preheating cavity, the second water tank and the second preheating cavity are all in a ring-shaped cavity structure and are sequentially arranged on the outer side of the furnace body in a ring shape from inside to outside; wherein the bottom of the first preheating cavity is communicated with the bottom of the second preheating cavity; a water inlet pipe and a sewage discharge pipe which are communicated with the outside are arranged on the water tank II; the first water tank is communicated with the second water tank through a plurality of pipelines arranged at the bottoms of the first water tank and the second water tank, and a water level controller is arranged at the middle upper part between the first water tank and the second water tank.

The steam quick heating generator is composed of a plurality of metal pipelines which are vertically arranged in the furnace body; the lower part of each metal pipeline penetrates through the outer wall of the furnace body and extends into the bottom of the water tank, and the upper part of each metal pipeline penetrates through the outer wall of the furnace body and extends into the top of the water tank.

The upper machine body is arranged at the top of the lower machine body and consists of a heating cylinder, a steam delivery pipe, a steam heating pipe, a hot air delivery pipe and a hot air pipe I, a hot air pipe II, a hot air pipe III, a hot air pipe IV and a hot air pipe V which are all in an annular cavity structure and are sequentially arranged on the outer side of the heating cylinder in an annular manner from inside to outside; the heating cylinder is a hollow cylinder with a closed top and an open bottom and is positioned right above the furnace body and communicated with the furnace body; a plurality of air outlets for discharging hot air are arranged on the side surface of the top of the heating cylinder; one end of the steam delivery pipe penetrates through the upper machine body from the outer side of the bottom of the upper machine body and then extends into the heating cylinder, and the other end of the steam delivery pipe extends out of the upper machine body and conducts steam to the outside; the steam heating pipe is a hollow pipe body spirally wound on the inner wall of the heating cylinder, the lower end of the steam heating pipe extends into the first water tank and is communicated with the top of the first water tank, and the upper end of the steam heating pipe is bent downwards and then extends into the lower part of the inner side of the heating cylinder and is communicated with the steam delivery pipe; one end of the hot air delivery pipe penetrates through the upper machine body from the outer side of the bottom of the upper machine body and then extends into a cavity of the hot air pipe to be communicated with the bottom of the hot air pipe, and the other end of the hot air delivery pipe extends out of the upper machine body and conducts hot air to the outside; valves are arranged on the hot air delivery pipe and the steam heating pipe; the top of the hot air pipe is communicated with the air outlet; the top of the hot air pipe II is communicated with the inside of the heating cylinder through a first air guide pipe arranged at the top of the side wall of the heating cylinder, and the bottom of the hot air pipe II is communicated with the top of the preheating cavity I; the top of the hot air pipe III is communicated with the air outlet; the bottom of the hot air pipe IV is communicated with the top of the preheating cavity II; the bottom of the hot air pipe five is communicated with the bottom of the hot air pipe three through the air guide pipe two.

The flue is a hollow cylinder, one end of the flue is arranged at the top of the upper machine body and is communicated with the four tops of the hot air pipes, and the other end of the flue exhausts the smoke out of the outside through a smoke inducing fan arranged on the flue.

The waste heat collecting channel is a hollow cylinder body sleeved outside the flue, one end of the waste heat collecting channel is installed at the top of the upper machine body and communicated with the top of the hot air pipe five, and the other end of the waste heat collecting channel sucks external air into the waste heat collecting channel through a centrifugal fan installed on the waste heat collecting channel; the resistance converter is arranged in the waste heat collecting channel, the resistance converter is a plurality of heat conducting fins which are arranged on the outer wall of the flue and conduct heat in the flue to cold air in the waste heat collecting channel, and the air blown by the centrifugal fan is blocked by the resistance converter and fully contacts with the resistance converter, so that heat exchange is realized.

The combustion-supporting air inlet pipe is arranged outside the lower machine body, one end of the combustion-supporting air inlet pipe extends into the third preheating cavity, and the other end of the combustion-supporting air inlet pipe sucks outside air into the third preheating cavity through a combustion-supporting fan arranged on the combustion-supporting air inlet pipe.

The feeder is arranged on the outer side of the lower machine body, and the feeding pipe of the feeder extends into the furnace body and is positioned above the hearth.

The automatic igniter is arranged on the lower machine body and extends into the hearth, and the automatic igniter for the boiler which is commonly used at present is selected.

Furthermore, in order to ensure that the pressure in the steam delivery pipe and the steam heating pipe is in a safe range, a pressure safety valve is arranged on the upper machine body; the pressure safety valve is communicated with the steam delivery pipe, and the pressure safety valve can be opened when the pressure in the steam delivery pipe and the steam heating pipe is too high.

Furthermore, in order to observe the combustion condition in the combustion furnace conveniently, a fire observation opening with an observation door is arranged on the front side surface of the lower machine body.

Furthermore, a valve is arranged at an air inlet of the waste heat collecting channel.

Furthermore, in order to reduce dust in the discharged flue gas, a cyclone dust collector is arranged at the tail end of the flue.

Furthermore, the feeder is a gas type feeder, can use natural gas, oil or oil gas and the like as fuel, and is composed of a feeding pipe with a valve, one end of the feeding pipe extends into the furnace body, and the other end of the feeding pipe is communicated with a gas storage tank.

Furthermore, the feeder is a solid fuel feeder, can use pulverized coal or biomass particles and the like as fuel, and consists of a support frame, a particle fuel hopper and a feeding pipe; the support frame is arranged on the outer side of the lower machine body; the granular fuel hopper is arranged at the top of the support frame; the feeding pipe is a spiral conveyor, one end of the feeding pipe extends into the furnace body, and the bottom of the granular fuel hopper at the other end is communicated.

Further, the number of the feed pipes is two in order to provide sufficient fuel to the burner.

Furthermore, in order to adjust the height of the feeder conveniently, a telescopic rod capable of adjusting the height of the support frame is arranged at the bottom of the support frame; the bottom of the telescopic rod is provided with universal wheels.

Furthermore, in order to control the steam output temperature conveniently, a steam temperature sensor is arranged on the steam outlet pipe, a combustion controller and a steam temperature controller are arranged on the outer wall of the granular fuel hopper, and the combustion controller is a star-shaped discharger; the steam temperature controller is a voltage type frequency converter connected with the combustion controller in series, and the voltage of the combustion controller is changed through the temperature fed back by the steam temperature sensor and the conversion frequency, so that the rotating speed of the combustion controller is changed, and the discharge quantity of the combustion controller is controlled.

The utility model discloses the organic combines steam boiler and hot-blast furnace to be in the same place, has avoided opening and shutting down repeatedly, and the extravagant serious condition of the energy loss that leads to takes place, moreover the utility model discloses the thermal efficiency is high, and energy utilization is rateed greatly, and the heat loss is little, and combustion efficiency is good, fuel saving.

Drawings

Fig. 1 is a front view of the steam and hot air integrated machine of the present invention;

FIG. 2 is a full sectional view of FIG. 1;

FIG. 3 is a cross-sectional view of portions of the upper body and the lower body of FIG. 2;

FIG. 4 is a cross-sectional view taken along A-A of FIG. 1;

FIG. 5 is a schematic structural view of a feeder in the steam and hot air all-in-one machine of the present invention;

shown in the figure: 1-lower machine body, 2-upper machine body, 3-flue, 4-smoke-leading fan, 5-waste heat collecting channel, 6-centrifugal fan, 7-combustion-supporting air inlet pipe, 8-combustion-supporting fan, 9-feeder, 901-support frame, 902-particle fuel hopper, 903-feeding pipe, 904-steam temperature controller, 905-combustion controller, 906 universal wheel, 10-automatic igniter, 11-cyclone dust collector, 12-furnace body, 13-furnace chamber, 14-ash-discharging chamber, 15-furnace bridge, 16-ash box, 17-fire observation opening, 18-preheating chamber III, 19-preheating chamber IV, 20-combustion-supporting air pipe, 21-water tank I, 22-preheating chamber I, 23-water level controller, 24-water tank II, 24-waste heat collecting channel, 25-preheating cavity II, 26-water inlet pipe, 27-sewage discharge pipe, 28-steam quick heat generator, 29-heating cylinder, 30-air outlet, 31-steam outlet pipe, 32-steam heating pipe, 33-hot air outlet pipe, 34-hot air pipe I, 35-hot air pipe II, 36-hot air pipe III, 37-hot air pipe IV, 38-hot air pipe V, 39-air guide pipe I, 40-air guide pipe II and 41-pressure safety valve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 to 5 show the utility model discloses a hot-blast all-in-one of steam, including organism 1 down, upper computer body 2, flue 3, waste heat collecting channel 5, combustion-supporting air-supply line 7, feeder 9, automatic fire lighter 10.

The lower machine body 1 consists of a combustion furnace, a first water tank 21, a first preheating cavity 22, a second water tank 24, a second preheating cavity 25 and a steam instant heat generator 28.

The combustion furnace is arranged in the center of the lower machine body 1 and consists of a furnace body 12, an ash discharge cavity 14, a third preheating cavity 18, a fourth preheating cavity 19 and a combustion-supporting air pipe 20; the furnace body 12 is a cylinder body which is arranged at the top of the combustion furnace and is provided with an upper opening and a lower opening, the bottom of the inner side of the furnace body 12 is provided with a hearth 13, and the outer wall of the hearth 13 is filled with refractory mortar; the ash discharge cavity 14 is arranged at the bottom of the combustion furnace and is opened at the top and the side; a hollow furnace bridge 15 which is positioned right below the furnace chamber 13 is arranged at the opening at the top of the ash discharging cavity 14; an ash box 16 which is positioned under the furnace bridge 15 and can be drawn in and out of the ash discharging cavity 14 is arranged at the side opening of the ash discharging cavity 14; the third preheating cavity 18 is annularly arranged at the outer side of the ash discharge cavity 14; the fourth preheating cavity 19 is annularly arranged at the outer side of the bottom of the furnace body 12 and is positioned above the third preheating cavity 18, and a through hole penetrating through the third preheating cavity 18 and the fourth preheating cavity 19 is formed in a partition plate between the third preheating cavity 18 and the fourth preheating cavity 19; and the combustion-supporting air pipe 20 is arranged at the bottom of the furnace body 12, one end of the combustion-supporting air pipe extends into the preheating cavity IV 19, and the other end of the combustion-supporting air pipe extends into the hearth 13 and is positioned above the furnace bridge 15.

The first water tank 21, the first preheating cavity 22, the second water tank 24 and the second preheating cavity 25 are all in a ring-shaped cavity structure and are sequentially arranged on the outer side of the furnace body 12 in a ring shape from inside to outside; wherein the bottom of the first preheating cavity 22 is communicated with the bottom of the second preheating cavity 25; a water inlet pipe 26 (which automatically supplies water to the water tanks 21 and 24 under the control of the water level controller 23) and a sewage discharge pipe 27 which are communicated with the outside are arranged on the water tank II 24; the first water tank 21 is communicated with the second water tank 24 through a plurality of pipelines arranged at the bottoms of the first water tank 21 and the second water tank 24, and a water level controller 22 is arranged at the middle upper part between the first water tank 21 and the second water tank 24 (the water level controller 22 adopts the existing water level controller of the type of the Qixinghua control brand CYWQ-206).

The steam quick-heating generator 28 is composed of a plurality of metal pipelines vertically arranged in the furnace body 12; the lower part of each metal pipeline penetrates through the outer wall of the furnace body 12 and extends into the bottom of the first water tank 21, and the upper part of each metal pipeline penetrates through the outer wall of the furnace body 12 and extends into the top of the first water tank 21.

The upper machine body 2 is arranged at the top of the lower machine body 1 and comprises a heating cylinder 29, a steam delivery pipe 31, a steam heating pipe 32, a hot air delivery pipe 33, and a first hot air pipe 34, a second hot air pipe 35, a third hot air pipe 36, a fourth hot air pipe 37 and a fifth hot air pipe 38 which are all in an annular cavity structure and sequentially and annularly arranged on the outer side of the heating cylinder 29 from inside to outside; the heating cylinder 29 is a hollow cylinder with a closed top and an open bottom and is positioned right above the furnace body 12 and communicated with the furnace body 12; a plurality of air outlets 30 for discharging hot air are arranged on the side surface of the top of the heating cylinder 29; one end of the steam delivery pipe 31 penetrates through the upper machine body 2 from the outer side of the bottom of the upper machine body 2 and then extends into the heating cylinder 29, and the other end of the steam delivery pipe extends out of the upper machine body 2 and conducts steam to the outside; the steam heating pipe 32 is a hollow pipe body spirally wound on the inner wall of the heating cylinder 29, the lower end of the steam heating pipe 32 extends into the first water tank 21 and is communicated with the top of the first water tank 21, and the upper end of the steam heating pipe is bent downwards and then extends into the lower part of the inner side of the heating cylinder 29 and is communicated with the steam outlet pipe 31; one end of the hot air delivery pipe 33 penetrates through the upper machine body 2 from the outer side of the bottom of the upper machine body 2, extends into the cavity of the first hot air pipe 34 and is communicated with the bottom of the first hot air pipe 34, and the other end of the hot air delivery pipe extends out of the upper machine body 2 and conducts hot air to the outside; valves are arranged on the hot air outlet pipe 33 and the steam heating pipe 32; the top of the first hot air pipe 34 is communicated with the air outlet 30; the top of the second hot air pipe 35 is communicated with the inside of the heating cylinder 29 through a first air guide pipe 39 arranged at the top of the side wall of the heating cylinder 29, and the bottom of the second hot air pipe 35 is communicated with the top of the first preheating cavity 22; the top of the third hot air pipe 36 is communicated with the air outlet 30; the bottom of the hot air pipe IV 37 is communicated with the top of the preheating cavity II 25; the bottom of the hot air pipe five 38 is communicated with the bottom of the hot air pipe three 36 through the air guide pipe two 40.

The flue 3 is a hollow cylinder, one end of the flue is arranged at the top of the upper machine body 2 and is communicated with the top of the hot air pipe IV 37, and the other end of the flue exhausts the flue gas out of the outside through the smoke inducing fan 4 arranged on the flue.

The residual heat collecting channel 5 is a hollow cylinder body sleeved outside the flue 3, one end of the residual heat collecting channel is installed at the top of the upper machine body 2 and communicated with the top of the hot air pipe five 38, and the other end of the residual heat collecting channel sucks outside air into the residual heat collecting channel 5 through a centrifugal fan 6 installed on the residual heat collecting channel; the inside resistance converter that is provided with of waste heat collecting channel 5, the resistance converter is installed at 3 outer walls of flue for the polylith and conducts the heat conduction of 3 inside flues for the inside cold wind's of waste heat collecting channel 5 conducting strip, and the wind that centrifugal fan 6 blown is blockked by the resistance converter and is fully contacted with the resistance converter, realizes the heat exchange.

The combustion-supporting air inlet pipe 7 is arranged outside the lower machine body 1, one end of the combustion-supporting air inlet pipe extends into the third preheating cavity 18, and the other end of the combustion-supporting air inlet pipe sucks outside air into the third preheating cavity 18 through the combustion-supporting fan 8 arranged on the combustion-supporting air inlet pipe.

The feeder 9 is arranged outside the lower machine body 1, and a feeding pipe thereof extends into the furnace body 12 and is positioned above the hearth 13.

The automatic igniter 10 is arranged on the lower machine body 1 and extends into the hearth 13, and the automatic igniter (such as Zhangze brand XDH-20 high-energy igniter) for the boiler commonly used at present is selected.

Further, in order to ensure that the pressure in the steam delivery pipe 31 and the steam heating pipe 32 is in a safe range, a pressure safety valve 40 is installed on the upper machine body; the pressure safety valve 41 is connected to the steam outlet pipe 31, and when the pressure in the steam outlet pipe 31 and the steam heating pipe 32 is too high, the pressure safety valve 40 is opened to release the pressure.

Further, in order to observe the combustion condition in the combustion furnace, a fire observation opening 17 with an observation door is provided on the front side surface of the lower body 1.

Furthermore, a valve is arranged at an air inlet of the waste heat collecting channel 5.

Further, in order to reduce dust in the exhaust flue gas, a cyclone 11 is provided at the end of the flue 3.

Further, the feeder 9 is a gas type feeder, can use natural gas, oil or oil gas as fuel, and is composed of a feeding pipe 903 with a valve, wherein one end of the feeding pipe extends into the furnace body, and the other end of the feeding pipe is communicated with a gas storage tank.

Further, the feeder 9 is a solid fuel feeder, can use pulverized coal or biomass particles as fuel, and is composed of a support frame 901, a particle fuel hopper 902 and a feeding pipe 903; the support frame 901 is arranged on the outer side of the lower machine body 1; the granular fuel hopper 902 is arranged at the top of the support frame 901; the feed pipe 903 is a screw conveyor, one end of which extends into the furnace body 12, and the bottom of the granular fuel hopper 902 at the other end is communicated.

Further, the number of the feed pipes 903 is two in order to provide sufficient fuel to the burner.

Further, in order to adjust the height of the feeder 9 conveniently, a telescopic rod capable of adjusting the height of the support frame 901 is arranged at the bottom of the support frame 901; the bottom of the telescopic rod is provided with a universal wheel 906.

Further, in order to control the steam output temperature conveniently, a steam temperature sensor is installed on the steam outlet pipe 31, a combustion controller 905 and a steam temperature controller 904 are arranged on the outer wall of the granular fuel hopper 902, and the combustion controller 905 is a star-shaped discharger; the steam temperature controller 904 is a voltage type frequency converter connected with the combustion controller 905 in series, and the combustion controller 905 converts the frequency and changes the voltage of the combustion controller 904 through the temperature fed back by the steam temperature sensor, so that the motor rotating speed of the combustion controller 904 is changed, and the discharging amount of the combustion controller 904 is controlled.

When in use, firstly, the smoke-induced fan 4, the combustion-supporting fan 8 and the centrifugal fan 6 are respectively and sequentially opened, the combustion-supporting fan 8 blows outside air into the third preheating cavity 18, the air is blown into the fourth preheating cavity 19 from a through hole on a partition plate between the third preheating cavity 18 and the fourth preheating cavity 19 after winding the ash discharge cavity 14 for a circle, and then the air is blown into the hearth 13 from the combustion-supporting air pipe 20; then, fuel is fed into the furnace body 12 through the feeder 9, then the automatic igniter 10 is started to ignite the fuel in the furnace body 12, and the ignition is successful; and then water is filled into the second water tank 24 and the first water tank 21, the height of the water is controlled by a water level controller 22 (adopting the currently adopted water level controller), and the second water tank 24, the first water tank 24 and the steam instant heat generator 28 cannot be filled with the water.

As the combustion progresses, a large amount of hot gas is generated inside the furnace body 12, and the hot gas rises into the heating cylinder 29 and is finally discharged from the top of the heating cylinder 29.

One hot air flow discharged from the top of the heating cylinder 29 enters the top of the first hot air pipe 34 through the air outlet 30, is further conveyed downwards (after heat conducted by the cylinder wall of the heating cylinder 29 is absorbed again) to the bottom of the first hot air pipe 34 through the first hot air pipe 34, finally enters the hot air delivery pipe 33, is output and utilized by the hot air delivery pipe 33, and if hot air is not needed, the hot air does not enter the hot air delivery pipe 33 again only by closing a valve on the hot air delivery pipe 33.

The hot air discharged from the top of the heating cylinder 29 enters the top of the hot air pipe II 35 through the air guide pipe I39, is further conveyed downwards to the bottom of the hot air pipe II 35 by the hot air pipe II 35, finally enters the top of the preheating cavity I22, flows to the bottom of the preheating cavity I22 from the top of the preheating cavity I22, then flows to the bottom of the preheating cavity II 25, flows to the top of the preheating cavity II 25 from the bottom of the preheating cavity II 25, then enters the hot air pipe IV 37 from the top of the heating cavity II 25, finally enters the flue 3 from the hot air pipe IV 37, enters the cyclone dust collector 11 under the suction of the smoke inducing fan 4, and is discharged outdoors after dust is removed by the cyclone dust collector 11. In the process that hot air flows from the top of the first preheating cavity 22 to the top of the second preheating cavity 25, water in the first water tank 21 and the second water tank 24 can be fully preheated, the temperature of water in the first water tank 21 and the second water tank 24 is increased, water in the steam instant heat generator 28 is further increased, the generation of steam is accelerated, and the waste heat of the hot air is fully utilized. In addition, after the hot air (flue gas) enters the flue 3 through the fourth hot air pipe 37, in the flowing process in the flue 3, the residual heat of the hot air after preheating the first water tank 21 and the second water tank 24 is further conducted into the residual heat collecting channel 5 and is gradually absorbed by the cold air in the residual heat collecting channel 5.

The air blown into the residual heat collecting channel 5 by the centrifugal fan 6 is changed into hot air after fully absorbing the heat of the flue gas in the flue 3, flows into the fifth hot air duct 38 under the blowing of the centrifugal fan 6, is downwards conducted through the fifth hot air duct 38 (and absorbs the heat conducted from the wall of the fourth hot air duct 37) to the bottom of the fifth hot air duct 38, is sent into the bottom of the third hot air duct 36 by the second air guide duct 40, is upwards conducted to the top of the third hot air duct 36 by the bottom of the third hot air duct 36, then enters the air outlet 30, is conducted into the first hot air duct 34 by the air outlet 30, finally enters the hot air delivery pipe 33, and is delivered out for use by the hot air delivery pipe 33. The outer walls of the hot air pipe five 38 and the waste heat collecting channel 5 can be covered with a heat insulation layer. The third hot air duct 36 can also be provided with a plurality of heat conducting fins, so that the heat conducted from the wall of the second hot air duct 35 can be absorbed by the wind in the third hot air duct 36 to raise the temperature.

After the hot air in the first preheating cavity 18 and the second preheating cavity 19 is preheated, the water temperature in the second water tank 24, the first water tank 21 and the steam instant heat generator 28 is quickly raised, the steam instant heat generator 28 is quickly heated under the high-temperature baking in the furnace body 12 to generate steam, the steam generated by the steam instant heat generator 28 enters the first water tank 21 from the top of the steam instant heat generator 28, is then conducted to the spiral steam heating pipe 32 in the heating cylinder 29 from the top of the first water tank 21 to be coiled upwards, is heated by the hot air in the heating cylinder 29 again and then enters the steam delivery pipe 31 to be conducted to the outside for utilization.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A steam and hot air integrated machine is characterized by comprising a lower machine body, an upper machine body, a flue, a waste heat collecting channel, a combustion-supporting air inlet pipe, a feeder and an automatic igniter;

the lower machine body consists of a combustion furnace, a first water tank, a first preheating cavity, a second water tank, a second preheating cavity and a steam instant heat generator;

the combustion furnace is arranged in the center of the lower machine body and consists of a furnace body, an ash discharge cavity, a preheating cavity III, a preheating cavity IV and a combustion-supporting air pipe; the furnace body is a cylinder body which is arranged at the top of the combustion furnace and is provided with an upper opening and a lower opening, the bottom of the inner side of the furnace body is provided with a hearth, and the outer wall of the hearth is filled with refractory mortar; the ash discharge cavity is arranged at the bottom of the combustion furnace, and the top and the side surfaces of the ash discharge cavity are opened; a hollow furnace bridge which is positioned right below the furnace chamber is arranged at the opening at the top of the ash discharging cavity; an ash box which is positioned under the furnace bridge and can be drawn in and out of the ash discharging cavity is arranged at the side opening of the ash discharging cavity; the preheating cavity is arranged at the outer side of the ash discharge cavity in a three-ring manner; the four preheating cavity rings are arranged at the outer side of the bottom of the furnace body and are positioned above the third preheating cavity, and a through hole penetrating through the third preheating cavity and the fourth preheating cavity is formed in a partition plate between the third preheating cavity and the fourth preheating cavity; the combustion-supporting air pipe is arranged at the bottom of the furnace body, one end of the combustion-supporting air pipe extends into the preheating cavity IV, and the other end of the combustion-supporting air pipe extends into the hearth and is positioned above the furnace bridge;

the first water tank, the first preheating cavity, the second water tank and the second preheating cavity are all in a ring-shaped cavity structure and are sequentially arranged on the outer side of the furnace body in a ring shape from inside to outside; wherein the bottom of the first preheating cavity is communicated with the bottom of the second preheating cavity; a water inlet pipe and a sewage discharge pipe which are communicated with the outside are arranged on the water tank II; the first water tank and the second water tank are communicated through a plurality of pipelines arranged at the bottoms of the first water tank and the second water tank, and a water level controller is arranged at the middle upper part between the first water tank and the second water tank;

the steam quick heating generator is composed of a plurality of metal pipelines which are vertically arranged in the furnace body; the lower part of each metal pipeline penetrates through the outer wall of the furnace body and extends into the bottom of the water tank, and the upper part of each metal pipeline penetrates through the outer wall of the furnace body and extends into the top of the water tank;

the upper machine body is arranged at the top of the lower machine body and consists of a heating cylinder, a steam delivery pipe, a steam heating pipe, a hot air delivery pipe and a hot air pipe I, a hot air pipe II, a hot air pipe III, a hot air pipe IV and a hot air pipe V which are all in an annular cavity structure and are sequentially arranged on the outer side of the heating cylinder in an annular manner from inside to outside; the heating cylinder is a hollow cylinder with a closed top and an open bottom and is positioned right above the furnace body and communicated with the furnace body; a plurality of air outlets for discharging hot air are arranged on the side surface of the top of the heating cylinder; one end of the steam delivery pipe penetrates through the upper machine body from the outer side of the bottom of the upper machine body and then extends into the heating cylinder, and the other end of the steam delivery pipe extends out of the upper machine body and conducts steam to the outside; the steam heating pipe is a hollow pipe body spirally wound on the inner wall of the heating cylinder, the lower end of the steam heating pipe extends into the first water tank and is communicated with the top of the first water tank, and the upper end of the steam heating pipe is bent downwards and then extends into the lower part of the inner side of the heating cylinder and is communicated with the steam delivery pipe; one end of the hot air delivery pipe penetrates through the upper machine body from the outer side of the bottom of the upper machine body and then extends into a cavity of the hot air pipe to be communicated with the bottom of the hot air pipe, and the other end of the hot air delivery pipe extends out of the upper machine body and conducts hot air to the outside; valves are arranged on the hot air delivery pipe and the steam heating pipe; the top of the hot air pipe is communicated with the air outlet; the top of the hot air pipe II is communicated with the inside of the heating cylinder through a first air guide pipe arranged at the top of the side wall of the heating cylinder, and the bottom of the hot air pipe II is communicated with the top of the preheating cavity I; the top of the hot air pipe III is communicated with the air outlet; the bottom of the hot air pipe IV is communicated with the top of the preheating cavity II; the bottom of the hot air pipe five is communicated with the bottom of the hot air pipe three through a second air guide pipe;

the flue is a hollow cylinder, one end of the flue is arranged at the top of the upper machine body and is communicated with the four tops of the hot air pipes, and the other end of the flue exhausts the smoke out of the outside through a smoke inducing fan arranged on the flue;

the waste heat collecting channel is a hollow cylinder body sleeved outside the flue, one end of the waste heat collecting channel is installed at the top of the upper machine body and communicated with the top of the hot air pipe five, and the other end of the waste heat collecting channel sucks external air into the waste heat collecting channel through a centrifugal fan installed on the waste heat collecting channel; a resistance converter is arranged in the waste heat collecting channel, and the resistance converter is a plurality of heat conducting fins which are arranged on the outer wall of the flue and conduct heat in the flue to cold air in the waste heat collecting channel;

the combustion-supporting air inlet pipe is arranged outside the lower machine body, one end of the combustion-supporting air inlet pipe extends into the third preheating cavity, and the other end of the combustion-supporting air inlet pipe sucks outside air into the third preheating cavity through a combustion-supporting fan arranged on the combustion-supporting air inlet pipe;

the feeder is arranged on the outer side of the lower machine body, and a feeding pipe of the feeder extends into the furnace body and is positioned above the hearth;

the automatic igniter is arranged on the lower machine body and extends into the hearth.

2. The steam and hot air all-in-one machine according to claim 1, characterized in that: a pressure safety valve is arranged on the upper machine body; the pressure safety valve is communicated with the steam delivery pipe.

3. The steam and hot air all-in-one machine according to claim 1, characterized in that: the front side surface of the lower machine body is provided with a fire observation opening with an observation door.

4. The steam and hot air all-in-one machine according to claim 1, characterized in that: and a valve is arranged at the air inlet of the waste heat collecting channel.

5. The steam and hot air all-in-one machine according to claim 1, characterized in that: the tail end of the flue is provided with a cyclone dust collector.

6. A steam and hot air all-in-one machine according to any one of claims 1-5, characterized in that: the feeder is a gas type feeder and is composed of a feeding pipe with a valve, one end of the feeding pipe extends into the furnace body, and the other end of the feeding pipe is communicated with a gas storage tank.

7. A steam and hot air all-in-one machine according to any one of claims 1-5, characterized in that: the feeder is a solid fuel feeder and consists of a support frame, a granular fuel hopper and a feeding pipe; the support frame is arranged on the outer side of the lower machine body; the granular fuel hopper is arranged at the top of the support frame; the feeding pipe is a spiral conveyor, one end of the feeding pipe extends into the furnace body, and the bottom of the granular fuel hopper at the other end is communicated.

8. The steam and hot air all-in-one machine according to claim 7, wherein: the number of the feeding pipes is two.

9. The steam and hot air all-in-one machine according to claim 7, wherein: the bottom of the support frame is provided with a telescopic rod capable of adjusting the height of the support frame; the bottom of the telescopic rod is provided with universal wheels.

10. The steam and hot air all-in-one machine according to claim 7, wherein: a steam temperature sensor is arranged on the steam leading-out pipe, a combustion controller and a steam temperature controller are arranged on the outer wall of the granular fuel hopper, and the combustion controller is a star-shaped discharger; the steam temperature controller is a voltage type frequency converter connected with the combustion controller in series, and the voltage of the combustion controller is changed through the temperature fed back by the steam temperature sensor and the conversion frequency, so that the rotating speed of the combustion controller is changed, and the discharge quantity of the combustion controller is controlled.

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