CN212337384U - Straw combustion heating and power generation system - Google Patents

Abstract

The utility model discloses a straw combustion heating and power generation system, which comprises a box body, wherein a working cavity is arranged in the box body, the bottom of the working cavity is provided with a burner, a water storage tank is arranged right above the burner, one side of the water storage tank is connected with a water inlet pipe, the other side of the water storage tank is connected with a gas outlet pipe, a water inlet valve is also arranged at the position where the water inlet pipe extends into the water storage tank, one end of the gas outlet pipe, which is far away from the water storage tank, extends out of the box body and then is connected with a steam turbine; still include the conveying subassembly, the conveying subassembly includes the action wheel, follows driving wheel and belt, and the both ends of belt twine respectively on the action wheel with follow the driving wheel, and the action wheel is located the outside of box, follows the working chamber that the driving wheel is located the box, and lies in between combustor and the water storage tank from the driving wheel to set up directly over the combustor. The utility model discloses can carry out effective utilization to the energy that the straw burning produced.

Description

Straw combustion heating and power generation system

Technical Field

The utility model relates to a straw power generation technical field, concretely relates to straw burning heating power generation system.

Background

Straw is the general term for the stem and leaf (ear) part of a mature crop, usually referring to the remainder of wheat, rice, corn, potatoes, oilseed rape, cotton, sugar cane and other crops (usually coarse grain) after harvesting the seed. More than half of the products of crop photosynthesis exist in the straws, the straws are rich in nitrogen, phosphorus, potassium, calcium, magnesium, organic matters and the like, are multipurpose renewable biological resources, and are coarse feed, and the straws are characterized by high content (30-40%) of coarse fibers and lignin and the like. Although the lignocellulose cannot be utilized by pigs and chickens, the lignocellulose can be absorbed and utilized by livestock such as ruminants, cattle and sheep.

China is a big agricultural country, and the agricultural production can generate abundant straw biomass every year. At present, the comprehensive utilization efficiency of straws is low, the straw resources are in a serious and relatively excessive state, and the open-air straw burning events are frequent, so that not only is the resource waste caused, but also a great pressure is brought to the ecological environment.

SUMMERY OF THE UTILITY MODEL

The aforesaid to prior art exist not enough, the to-be-solved technical problem of the utility model is: how to provide a straw combustion heating and power generation system which can effectively utilize the energy generated by straw combustion.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a straw combustion heating and power generation system comprises a box body, wherein a working chamber is formed in the box body, exhaust holes for communicating the working chamber with an external space are further formed in the box body, a burner capable of generating flame is arranged at the bottom of the working chamber, a water storage tank is arranged right above the burner, one side of the water storage tank is connected with a water inlet pipe, the other side of the water storage tank is connected with an air outlet pipe, a water inlet valve is further arranged at the position, extending into the water storage tank, of the water inlet pipe, one end, far away from the air outlet pipe, connected with the water storage tank extends out of the box body and then is connected with a steam turbine and a heating pipeline, and the steam turbine is further coaxially connected; still include conveying assembly, conveying assembly includes the action wheel, follows driving wheel and belt, the both ends of belt twine respectively the action wheel with follow the driving wheel on, the action wheel is located the outside of box, follow driving wheel position in the working chamber of box, just follow driving wheel position in the combustor with between the water storage tank, and set up directly over the combustor.

The utility model discloses a theory of operation is: the water is introduced into the water storage tank from the water inlet pipe, when the water in the water storage tank is less, the water inlet valve is opened, the water continuously enters the water storage tank from the water inlet pipe, and when the water in the water storage tank reaches a certain amount, the water inlet valve is closed, so that the water does not enter the water storage tank any more.

When the straw is burnt, the straw is placed on the belt, the straw is transmitted to the driven wheel in the box body through the transmission of the belt, then the straws fall to the combustor through the driven wheel, the flame generated by the combustor burns the straws, the straw burning further heats and vaporizes the water in the water storage tank into steam, the steam generated after the water in the water storage tank is vaporized is discharged to the heating pipeline and the steam turbine through the gas outlet pipe, the steam discharged to the heating pipeline can be used for heating in winter, the steam discharged to the steam turbine can drive the steam turbine to rotate, the steam turbine rotates to drive the generator coaxially connected with the steam turbine to rotate to generate electricity, the generated electricity can be used for charging a power grid or other electric equipment, and the smoke generated by straw combustion is discharged from the exhaust hole, so that the purpose of generating power or heating by utilizing the energy generated by straw combustion is realized.

The beneficial effects of the utility model reside in that: the utility model discloses the heat that utilizes the straw burning to produce heats the water in the water storage tank to make the water vaporization in the water storage tank become into steam, the steam that produces after the recycle vaporization is used for heating in winter or drives the generator through the steam turbine and generate electricity, has just realized the effective utilization of the energy that produces the straw burning from this.

Preferably, the water inlet valve is a float valve component, the float valve component comprises a float, a connecting rod and a valve stop, a connecting hole is formed in the lower side of the water inlet pipe, the valve stop is connected in the connecting hole in a sliding mode, the upper end of the valve stop penetrates through the connecting hole and is provided with a limiting protrusion, the axial width of the limiting protrusion is larger than that of the connecting hole, the vertical height of the limiting protrusion is smaller than the vertical aperture of the water inlet pipe, the lower end of the valve stop extends out of the connecting hole and then is fixedly connected with the connecting rod, and the connecting rod is far away from the connecting rod and is connected with the end of the valve stop and fixedly connected with the float.

Thus, when the water in the water storage tank is less, the float valve component moves to the position where the limiting bulge is abutted against the lower side of the water inlet pipe under the action of gravity, so that the water inlet pipe is opened, water continuously enters the water storage tank from the water inlet pipe, when the water in the water storage tank reaches a certain amount, the float drives the valve stop block to overcome the action of gravity and move upwards along the connecting hole under the action of buoyancy of the water, when the valve stop block moves upwards along the connecting hole to abut against the upper side of the water inlet pipe to close the water inlet pipe, so that the water does not enter the water storage tank any more, and when the water in the water storage tank continuously decreases, the gravity action of the float valve component enables the float valve component to integrally move downwards, the limiting bulge leaves the upper side of the water inlet pipe to open the water inlet pipe, the water continuously enters the water storage tank from the water inlet pipe, so that the water inlet pipe, so that the water in the water storage tank is always kept in a certain amount.

Preferably, the combustor with still be equipped with the ascending net of placing of opening between the follow driving wheel, it includes that horizontal portion and symmetric distribution are in to place the net first slant portion and the second slant portion of horizontal portion both sides, first slant portion and second slant portion are kept away from and are connected separately the one end tilt up and the fixed connection of horizontal portion are in on the box, just follow driving wheel position in the top of first slant portion, horizontal position in directly over the combustor, a plurality of vertical fire holes of crossing have been seted up in the horizontal portion.

Therefore, when the straw is transmitted to the driven wheel through the belt, the straw falls onto the first inclined part below the driven wheel through the driven wheel, because the first inclined part is inclined downwards towards the transverse part, the straws falling onto the first inclined part continuously fall onto the transverse part along the first inclined part, the transverse part is positioned right above the burner and is provided with a vertical fire passing hole, so that the flame generated by the burner passes through the fire passing hole and causes the straw on the transverse part to burn, by arranging the placing net, the problem that the flame on the combustor is extinguished because the straw directly falls on the combustor is avoided, meanwhile, the first inclined part is arranged, so that the straws slide down to the transverse part along the first inclined part to be combusted, therefore, the driven wheel is not required to be arranged right above the burner, and flame generated by straw combustion cannot influence the driven wheel.

Preferably, the charging device further comprises a charging mechanism, the charging mechanism comprises a rectifier and a transformer electrically connected with the rectifier, the rectifier is electrically connected with the electric energy output end of the generator, and the transformer is electrically connected with the power grid.

Therefore, when the steam turbine drives the generator to rotate to generate electric energy, the electric energy generated by the generator is transmitted to the power grid after being rectified by the rectifier and regulated by the transformer, and the power grid is charged, so that the electric energy of the generator is utilized.

Preferably, the exhaust hole is positioned at the upper side of the box body, and an anti-haze chimney is further arranged at the exhaust hole; the anti-haze chimney comprises a chimney body, and the bottom of the chimney body is connected with a flue inlet; advance the flue with the exhaust hole communicates with each other, antifog haze chimney still includes:

the first-stage harmful gas treatment structure comprises a decompression cavity arranged in the flue inlet duct, the decompression cavity is formed by expanding the middle part of the flue inlet duct, a first filter screen is vertically arranged in the decompression cavity, and the vertical plane where the first filter screen is located is vertical to the axis of the flue inlet duct;

the second-stage harmful gas treatment structure comprises a second filter screen horizontally arranged at the bottom of the chimney body, and further comprises a nozzle arranged in the chimney body and positioned above the second filter screen, wherein a nozzle hole of the nozzle faces downwards, the upper part of the nozzle is connected with a decarburization liquid conveying pipe, one end of the decarburization liquid conveying pipe is connected with the nozzle, the other end of the decarburization liquid conveying pipe penetrates out of the side wall of the chimney body, a decarburization liquid box filled with decarburization liquid is arranged outside the chimney body, the end part of the decarburization liquid conveying pipe, which extends out of the chimney body, extends into the decarburization liquid box, a liquid supply pump is also arranged in the decarburization liquid box, and the decarburization liquid conveying pipe is connected with the liquid supply pump;

the third-stage harmful gas treatment structure comprises pm2.5 filter paper which is horizontally arranged in the chimney body and is positioned above the spray head, and the third-stage harmful gas treatment structure also comprises a smoke extractor which is arranged in the chimney body and is positioned above the pm2.5 filter paper, and air below the smoke extractor can be upwards transmitted through the smoke extractor;

and the fourth-stage harmful gas treatment structure comprises an activated carbon interlayer which is horizontally arranged in the smoke tube body and positioned above the smoke extractor.

Therefore, smoke generated by straw combustion enters the flue from the exhaust hole, the smoke entering the flue firstly enters the decompression cavity, the decompression cavity is thicker than the flue, the smoke is decompressed, the smoke is easier to process, and the smoke is filtered by the first filter screen in the decompression cavity; then, the smoke enters the chimney body and is further filtered by a second filter screen, large particles in the smoke are filtered by the second filter screen through the decarbonization liquid, and sulfur dioxide in the smoke is neutralized by the decarbonization liquid; then, the smoke can continuously rise in the chimney body, and is further filtered by pm2.5 filter paper, and under the action of a smoke extractor, water vapor in the smoke is adsorbed on the pm2.5 filter paper, so that the water vapor is prevented from entering the activated carbon above the smoke extractor, and the activated carbon is prevented from losing efficacy; finally, the smoke is filtered by active carbon, so that harmful substances such as formaldehyde, benzene, ammonia, TVOC, peculiar smell and the like in the smoke can be adsorbed or disinfected, and the smoke is purified into basically harmless gas; like this, chimney among this technical scheme has level four harmful gas and handles the structure, can filter the haze well to the harmful gas in the smog and handle, reduces environmental pollution, simultaneously, because this technical scheme is direct this internal and advance to install level four harmful gas in the flue and handle the structure, saved the component, the cost is reduced easily promotes at the chimney.

Preferably, the decarbonization liquid box is arranged on one side of the chimney body, and the bottom of the chimney body is connected with the bottom of the decarbonization liquid box through a horizontal communication channel; the antifog haze chimney still includes the guide plate, the one end of guide plate with the intercommunication is said and is close to the bottom of chimney body one side is connected, the other end of guide plate extend in the slant and with the chimney body is kept away from the lateral wall that the intercommunication was said one side is connected, and is located advance the below of flue.

Thus, the nozzle sprays the decarbonizing liquid to the fine filter screen, so that the fine filter screen is saturated with the decarbonizing liquid, when smoke passes through the fine filter screen, carbon particles in the smoke are absorbed by the decarbonizing liquid and fall down when the smoke passes through the fine filter screen, and the carbon particles fall down and are brought into the decarbonizing liquid tank through the guide plate and then are precipitated at the bottom, so that the decarbonizing liquid can be recycled, and the effect of saving resources is achieved; meanwhile, because the decarbonization liquid is alkaline, the sulfur dioxide in the smoke can be neutralized.

Preferably, the bottom of the water storage tank is also provided with a first valve.

Thus, the water in the water storage tank can be drained by opening the first valve.

Preferably, a second valve and a third valve are respectively arranged at the connection part of the air outlet pipe, the heating pipeline and the steam turbine.

Like this, come the intercommunication condition of control outlet duct and heating pipeline and steam turbine through second valve and second valve, when in winter, can open the second valve and close the third valve, make steam all enter into heating pipeline and heat, in order to improve the heating effect, and when non-winter does not need the heating, close the second valve and open the third valve, make steam all enter into water turbine department and drive the hydraulic turbine and rotate, the hydraulic turbine drives the generator rotation again, improve the generated energy of generator from this, certainly when the in-service use, also can select to open or close second valve and third valve according to the condition.

Preferably, the inlet tube is kept away from its connection the one end of water storage tank stretches out the box, just the inlet tube stretches out in the one end of box stretches into the well, the position that the inlet tube stretched into the well still is equipped with the water pump.

Therefore, the water inlet pipe in the water well is led into the water storage tank by the water pump.

Drawings

FIG. 1 is a schematic structural view of the straw combustion heating power generation system when the water inlet pipe is opened;

FIG. 2 is a schematic structural view of the straw combustion heating power generation system when the water inlet pipe is closed;

FIG. 3 is the utility model discloses the structural schematic diagram of antifog haze chimney among straw burning heating power generation system.

Description of reference numerals: the device comprises a box body 1, a water storage tank 2, a water inlet pipe 3, a valve stop 4, a connecting rod 5, a buoy 6, a water well 7, a water pump 8, an anti-haze chimney 9, a chimney body 901, a flue inlet 902, a decompression cavity 903, a first filter screen 904, a second filter screen 905, a spray head 906, a decarburization liquid conveying pipe 907, a decarburization liquid tank 908, pm2.5 filter paper 909, a smoke extractor 910, an activated carbon interlayer 911, a communication channel 912, a guide plate 913, a liquid supply pump 914, a steam turbine 10, a generator 11, a heating pipeline 12, a driving wheel 13, a belt 14, a driven wheel 15, a combustor 16, a first inclined part 17, a transverse part 18, an exhaust hole 19, a working chamber 20, an exhaust pipe 21, a first valve 22, a second valve 23, a third valve 24, a rectifier 25 and a transformer 26.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in the attached figure 1, a straw combustion heating and power generation system comprises a box body 1, wherein a working chamber 20 is arranged in the box body 1, an exhaust hole 19 for communicating the working chamber 20 with an external space is further formed in the box body 1, a combustor 16 capable of generating flame is arranged at the bottom of the working chamber 20, a water storage tank 2 is arranged right above the combustor 16, one side of the water storage tank 2 is connected with a water inlet pipe 3, the other side of the water storage tank 2 is connected with an air outlet pipe 21, a water inlet valve is further arranged at the position where the water inlet pipe 3 extends into the water storage tank 2, one end, far away from the position where the air outlet pipe 21 is connected with the water storage tank 2, extends out of the box body 1 and then is connected with a; still include the conveying subassembly, the conveying subassembly includes action wheel 13, follows driving wheel 15 and belt 14, and the both ends of belt 14 twine respectively on action wheel 13 and follow driving wheel 15, and action wheel 13 is located the outside of box 1, follows driving wheel 15 and is located the working chamber 20 of box 1, and follows driving wheel 15 and be located between combustor 16 and water storage tank 2 to the setting is directly over combustor 16.

The utility model discloses a theory of operation is: the water is introduced into the water storage tank 2 from the water inlet pipe 3, when the water in the water storage tank 2 is less, the water inlet valve is opened, the water continuously enters the water storage tank 2 from the water inlet pipe 3, and when the water in the water storage tank 2 reaches a certain amount, the water inlet valve is closed, so that the water does not enter the water storage tank 2 any more.

When the straw is combusted, the straw is placed on the belt 14, the straw is transmitted to the driven wheel 15 in the box body 1 through the transmission of the belt 14, then the straw falls to the combustor 16 through the driven wheel 15, the flame generated by the combustor 16 enables the straw to be combusted, the straw combustion further heats and vaporizes the water in the water storage tank 2 into steam, the steam generated after the water in the water storage tank 2 is vaporized is discharged to the heating pipeline 12 and the steam turbine 10 through the air outlet pipe 21, the steam discharged to the heating pipeline 12 can be used for heating in winter, the steam discharged to the steam turbine 10 can drive the steam turbine 10 to rotate, the steam turbine 10 rotates to drive the generator 11 coaxially connected with the steam turbine 10 to rotate to generate electricity, the generated electricity can be used for charging a power grid or using other electric equipment, and the smoke generated by the straw combustion is discharged from the air outlet hole 19, therefore, the purpose of generating power or heating by utilizing the energy generated when the straws are combusted is realized.

The beneficial effects of the utility model reside in that: the utility model discloses the heat that utilizes the straw burning to produce heats the water in the water storage tank 2 to make the water vaporization in the water storage tank 2 become steam, the steam that produces after the reuse vaporization is used for heating in winter or drives generator 11 through steam turbine 10 and generate electricity, has just realized the effective utilization of the energy that produces the straw burning from this.

In this embodiment, the water intaking valve is cursory valve member, cursory valve member is including cursory 6, connecting rod 5 and valve dog 4, the connecting hole has been seted up to the downside of inlet tube 3, 4 sliding connection of valve dog are in the connecting hole, and the upper end of valve dog 4 passes the connecting hole and is equipped with spacing arch, spacing bellied axial width is greater than the axial width of connecting hole, spacing bellied vertical height is less than inlet tube 3's vertical aperture, the lower extreme of valve dog 4 stretches out behind the connecting hole with connecting rod 5 fixed connection, connecting rod 5 keeps away from its one end of connecting valve dog 4 and cursory 6 fixed connection.

Thus, water is led into the water storage tank 2 from the water inlet pipe 3, when the water in the water storage tank 2 is less, the float valve component moves to the position where the limit bulge abuts against the lower side of the water inlet pipe 3 under the action of gravity, so that the water inlet pipe 3 is opened, the water continuously enters the water storage tank 2 from the water inlet pipe 3, when the water in the water storage tank 2 reaches a certain amount, the float 6 drives the valve stop block 4 to overcome the action of gravity and move upwards along the connecting hole through the connecting rod 5 under the action of buoyancy of the water, when the valve stop block 4 moves upwards along the connecting hole to abut against the upper side of the water inlet pipe 3, the valve stop block 4 closes the water inlet pipe 3 (as shown in figure 2), so that the water does not enter the water storage tank 2 any more, and when the water in the water storage tank 2 continuously decreases, the action of gravity of the float valve component can enable the float valve component to move downwards integrally under the, spacing arch leaves the upside of inlet tube 3 and makes inlet tube 3 open, and water constantly enters into water storage tank 2 from inlet tube 3 again, realizes that the automation of inlet tube 3 from this opens and closes for the water in the water storage tank 2 remains at certain volume all the time.

In this embodiment, a placing net with an upward opening is further arranged between the combustor 16 and the driven wheel 15, the placing net comprises a transverse portion 18 and a first oblique portion 17 and a second oblique portion which are symmetrically distributed on two sides of the transverse portion 18, one ends, far away from the transverse portion 18, of the first oblique portion 17 and one ends, far away from the transverse portion 18, of the second oblique portion are inclined upwards and fixedly connected to the box body 1, the driven wheel 15 is located above the first oblique portion 17, the transverse portion 18 is located right above the combustor 16, and the transverse portion 18 is provided with a plurality of vertical fire passing holes.

Thus, when the straw is conveyed to the driven wheel 15 through the belt 14, the straw falls onto the first inclined part 17 below the driven wheel 15 through the driven wheel 15, because the first inclined part 17 is inclined downwards towards the transverse part 18, the straw falling onto the first inclined part 17 continuously falls onto the transverse part 18 along the first inclined part 17, and the transverse part 18 is positioned right above the burner 16 and is provided with a vertical fire passing hole, so that the flame generated by the burner 16 passes through the fire passing hole and burns the straw on the transverse part 18, the problem of putting out the flame on the burner 16 caused by the straw directly falling onto the burner 16 is avoided by arranging the placing net, meanwhile, the straw slides down onto the transverse part 18 along the first inclined part 17 for burning through arranging the first inclined part 17, so that the driven wheel 15 is not arranged right above the burner 16, the flame generated by the straw combustion will not affect the driven wheel 15.

In the present embodiment, a charging mechanism is further included, the charging mechanism includes a rectifier 25 and a transformer 26 electrically connected to the rectifier 25, the rectifier 25 is electrically connected to the power output terminal of the generator 11, and the transformer 26 is electrically connected to the power grid.

Thus, when the steam turbine 10 drives the generator 11 to rotate to generate electric energy, the electric energy generated by the generator 11 is rectified by the rectifier 25 and regulated by the transformer 26, and then is transmitted to the power grid to charge the power grid, thereby realizing the utilization of the electric energy of the generator 11.

In this embodiment, as shown in fig. 1 and fig. 3, the exhaust hole 19 is located at the upper side of the box body, and the exhaust hole 13 is further provided with an anti-haze chimney; the haze-preventing chimney 9 comprises a chimney body 901, and the bottom of the chimney body 901 is connected with a flue inlet 902; advance flue 902 and exhaust hole 19 and communicate with each other, antifog haze chimney 9 still includes:

the first-stage harmful gas treatment structure comprises a decompression cavity 903 arranged in a flue inlet 902, the decompression cavity 903 is formed by expanding the middle part of the flue inlet 902, a first filter screen 904 is also vertically arranged in the decompression cavity 903, and the vertical plane where the first filter screen 904 is located is vertical to the axis of the flue inlet 902;

a second-stage harmful gas treatment structure, which comprises a second filter screen 905 horizontally arranged at the bottom of the chimney body 901, and further comprises a nozzle 906 arranged in the chimney body 901 and positioned above the second filter screen 905, wherein the nozzle of the nozzle 906 faces downwards, the upper part of the nozzle 906 is connected with a decarbonization liquid delivery pipe 907, one end of the decarbonization liquid delivery pipe 907 is connected with the nozzle 906, the other end of the decarbonization liquid delivery pipe penetrates out of the side wall of the chimney body 901, a decarbonization liquid tank 908 filled with decarbonization liquid is arranged outside the chimney body 901, the end of the decarbonization liquid delivery pipe 907 extending out of the chimney body 901 extends into the decarbonization liquid tank 908, a liquid supply pump 914 is also arranged in the decarbonization liquid tank 908, and the decarbonization liquid delivery pipe 907 is connected with the liquid supply pump 914;

the third-stage harmful gas treatment structure comprises pm2.5 filter paper 909 which is horizontally arranged in the chimney body 901 and is positioned above the spray head 906, and the third-stage harmful gas treatment structure also comprises a smoke extractor 910 which is arranged in the chimney body 901 and is positioned above the pm2.5 filter paper 909, and air below the smoke extractor 910 can be upwards transmitted;

the fourth stage harmful gas treatment structure comprises an activated carbon interlayer 911 which is horizontally arranged in the smoke tube body 901 and positioned above the smoke extractor 910.

In this way, smoke generated by straw combustion enters the flue 902 from the exhaust hole 19, the smoke entering the flue 902 first enters the decompression cavity 903, the decompression cavity 903 is thicker than the flue 902, so that the smoke has a decompression effect, the smoke is easier to treat, and the smoke is filtered by the first filter screen 904 in the decompression cavity 903; then, the smoke enters the chimney body 901 and is further filtered by a second filter screen 905, large particles in the smoke are filtered by the second filter screen 905 through the decarbonization liquid, and sulfur dioxide in the smoke is neutralized by the decarbonization liquid; subsequently, the smoke can continuously rise in the chimney body 901 and then is filtered by the pm2.5 filter paper 909 in one step, and under the action of the smoke extractor 910, water vapor in the smoke is adsorbed on the pm2.5 filter paper 909, so that the water vapor is prevented from entering the activated carbon above to disable the activated carbon; finally, the smoke is filtered by active carbon, so that harmful substances such as formaldehyde, benzene, ammonia, TVOC, peculiar smell and the like in the smoke can be adsorbed or disinfected, and the smoke is purified into basically harmless gas; like this, chimney among this technical scheme has level four harmful gas and handles the structure, can filter the haze well to the harmful gas in the smog and handle, reduces environmental pollution, simultaneously, because this technical scheme is direct to install level four harmful gas in chimney body 901 and advance in flue 902 and handle the structure, saved the component, the cost is reduced easily promotes.

In this embodiment, the decarbonization liquid tank 908 is disposed at one side of the flue pipe body 901, and the bottom of the flue pipe body 901 and the bottom of the decarbonization liquid tank 908 are connected by a horizontal communication channel 912; antifog haze chimney 9 still includes guide plate 913, and the one end and the communicating channel 912 of guide plate 913 are close to the bottom of chimney body 901 one side and are connected, and the other end of guide plate 913 extends upwards to one side and keeps away from the lateral wall of communicating channel 912 one side with chimney body 901 and is connected to be located the below of advancing flue 902.

Thus, the nozzle 906 sprays the decarbonization liquid to the fine filter screen to make the fine filter screen full of the decarbonization liquid, when the smoke passes through the fine filter screen, carbon particles in the smoke are absorbed by the decarbonization liquid and fall down when passing through the decarbonization liquid, and the carbon particles fall down and are brought into the decarbonization liquid tank 908 by the guide plate 913 to be precipitated at the bottom, so that the decarbonization liquid can be recycled, and the effect of saving resources is achieved; meanwhile, because the decarbonization liquid is alkaline, the sulfur dioxide in the smoke can be neutralized.

In this embodiment, a first valve 22 is further disposed at the bottom of the water storage tank 2.

Thus, the water in the water storage tank 2 can be drained by opening the first valve 22.

In the present embodiment, a second valve 23 and a third valve 24 are provided at the connection of the outlet pipe 21 with the heating pipe 12 and the steam turbine 10, respectively.

In this way, the communication condition between the air outlet pipe 21 and the heating pipeline 12 and the steam turbine 10 is controlled by the second valve 23 and the second valve 23, when the heating pipeline is in winter, the second valve 23 can be opened to close the third valve 24, so that all the water vapor enters the heating pipeline 12 to be heated, and the heating effect is improved, and when the heating is not needed in winter, the second valve 23 is closed to open the third valve 24, so that all the water vapor enters the water turbine to drive the water turbine to rotate, and the water turbine drives the generator 11 to rotate, so that the power generation amount of the generator 11 is improved, and of course, when the heating pipeline is actually used, the second valve 23 and the third valve 24 can be selectively opened or closed according to the situation.

In this embodiment, the water inlet pipe 3 is far away from the one end connected with the water storage tank 2 and stretches out the box 1, and the one end that the water inlet pipe 3 stretches out the box 1 stretches into the well 7, and the position that the water inlet pipe 3 stretches into the well 7 is still equipped with the water pump 8.

Thus, the water inlet pipe 3 in the well 7 is led into the water storage tank 2 by the water pump 8, and the water inlet pipe can be directly connected to a tap water pipe for use in actual use.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all should be covered in the scope of the claims of the present invention.

Claims (9)

1. A straw combustion heating and power generation system is characterized by comprising a box body, wherein a working chamber is formed in the box body, exhaust holes for communicating the working chamber with an external space are further formed in the box body, a burner capable of generating flame is arranged at the bottom of the working chamber, a water storage tank is arranged right above the burner, one side of the water storage tank is connected with a water inlet pipe, the other side of the water storage tank is connected with an air outlet pipe, a water inlet valve is further arranged at the position where the water inlet pipe extends into the water storage tank, one end, far away from the air outlet pipe, of the air outlet pipe, connected with a steam turbine and a heating pipeline after extending out of the box body, and the steam turbine is coaxially connected with a generator; still include conveying assembly, conveying assembly includes the action wheel, follows driving wheel and belt, the both ends of belt twine respectively the action wheel with follow the driving wheel on, the action wheel is located the outside of box, follow driving wheel position in the working chamber of box, just follow driving wheel position in the combustor with between the water storage tank, and set up directly over the combustor.

2. The straw combustion heating and power generation system according to claim 1, wherein the water inlet valve is a float valve component, the float valve component comprises a float, a connecting rod and a valve stop, a connecting hole is formed in the lower side of the water inlet pipe, the valve stop is slidably connected in the connecting hole, the upper end of the valve stop penetrates through the connecting hole and is provided with a limiting protrusion, the axial width of the limiting protrusion is larger than the axial width of the connecting hole, the vertical height of the limiting protrusion is smaller than the vertical aperture of the water inlet pipe, the lower end of the valve stop extends out of the connecting hole and is fixedly connected with the connecting rod, and one end, far away from the connecting rod, of the valve stop is fixedly connected with the float.

3. The straw combustion heating and power generation system according to claim 1, wherein a placing net with an upward opening is further arranged between the combustor and the driven wheel, the placing net comprises a transverse portion, a first oblique portion and a second oblique portion, the first oblique portion and the second oblique portion are symmetrically distributed on two sides of the transverse portion, one ends, far away from the transverse portion, of the first oblique portion and the second oblique portion are respectively connected with the transverse portion, the first oblique portion and the second oblique portion are upwards inclined and fixedly connected to the box body, the driven wheel is located above the first oblique portion, the transverse portion is located right above the combustor, and the transverse portion is provided with a plurality of vertical fire passing holes.

4. The straw-burning heating and power generating system according to claim 1, further comprising a charging mechanism, wherein the charging mechanism comprises a rectifier and a transformer electrically connected with the rectifier, the rectifier is electrically connected with the power output end of the generator, and the transformer is electrically connected with a power grid.

5. The straw combustion heating and power generation system according to claim 1, wherein the exhaust hole is located on the upper side of the box body, and an anti-haze chimney is further arranged at the exhaust hole; the anti-haze chimney comprises a chimney body, and the bottom of the chimney body is connected with a flue inlet; advance the flue with the exhaust hole communicates with each other, antifog haze chimney still includes:

the first-stage harmful gas treatment structure comprises a decompression cavity arranged in the flue inlet duct, the decompression cavity is formed by expanding the middle part of the flue inlet duct, a first filter screen is vertically arranged in the decompression cavity, and the vertical plane where the first filter screen is located is vertical to the axis of the flue inlet duct;

the second-stage harmful gas treatment structure comprises a second filter screen horizontally arranged at the bottom of the chimney body, and further comprises a nozzle arranged in the chimney body and positioned above the second filter screen, wherein a nozzle hole of the nozzle faces downwards, the upper part of the nozzle is connected with a decarburization liquid conveying pipe, one end of the decarburization liquid conveying pipe is connected with the nozzle, the other end of the decarburization liquid conveying pipe penetrates out of the side wall of the chimney body, a decarburization liquid box filled with decarburization liquid is arranged outside the chimney body, the end part of the decarburization liquid conveying pipe, which extends out of the chimney body, extends into the decarburization liquid box, a liquid supply pump is also arranged in the decarburization liquid box, and the decarburization liquid conveying pipe is connected with the liquid supply pump;

the third-stage harmful gas treatment structure comprises pm2.5 filter paper which is horizontally arranged in the chimney body and is positioned above the spray head, and the third-stage harmful gas treatment structure also comprises a smoke extractor which is arranged in the chimney body and is positioned above the pm2.5 filter paper, and air below the smoke extractor can be upwards transmitted through the smoke extractor;

and the fourth-stage harmful gas treatment structure comprises an activated carbon interlayer which is horizontally arranged in the smoke tube body and positioned above the smoke extractor.

6. The straw combustion heating and power generation system according to claim 5, wherein the decarbonization liquid tank is arranged on one side of the chimney body, and the bottom of the chimney body is connected with the bottom of the decarbonization liquid tank through a horizontal communication channel; the antifog haze chimney still includes the guide plate, the one end of guide plate with the intercommunication is said and is close to the bottom of chimney body one side is connected, the other end of guide plate extend in the slant and with the chimney body is kept away from the lateral wall that the intercommunication was said one side is connected, and is located advance the below of flue.

7. The straw-burning heating and power generating system according to claim 1, wherein a first valve is further provided at the bottom of the water storage tank.

8. The straw-burning heating and power generating system according to claim 1, wherein a second valve and a third valve are respectively provided at the connection of the air outlet pipe, the heating pipeline and the steam turbine.

9. The straw combustion heating and power generation system according to claim 1, wherein one end of the water inlet pipe, which is far away from the water storage tank, extends out of the box body, one end of the water inlet pipe, which extends out of the box body, extends into a water well, and a water pump is further arranged at the position where the water inlet pipe extends into the water well.

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