CN111322631B - Combustion chamber ash treatment device based on magnetofluid power generation - Google Patents

Abstract

The invention discloses a combustion chamber ash treatment device based on magnetofluid power generation, which comprises a combustion chamber and an ash cooling device, wherein the ash cooling device comprises a material conveying part, a liquid cooling part, a heat exchange part and a collecting part; the material conveying component comprises a blanking hole, a cylinder, a lifting piece and an adjusting piece; through the arrangement of the ash cooling device, the ash in the combustion chamber can be collected and cooled, so that excessive accumulation of the ash in the combustion chamber is avoided; through the arrangement of the conveying component, ash in the combustion chamber can be uniformly and orderly conveyed; through the setting of liquid cooling part, can cool down the lime-ash that gets into, the lime-ash after the cooling can be carried and is collected the piece in, the hydroenergy after absorbing the lime-ash heat can be led into heat transfer in the piece, can save the required water consumption of cooling, is the flaring design between blanking hole and the barrel, makes the lime-ash can disperse the back and get into the liquid cooling part in, the area of contact of increase lime-ash and water, more thoroughly to the cooling of lime-ash.

Description

Combustion chamber ash treatment device based on magnetofluid power generation

Technical Field

The invention belongs to the technical field of magnetofluid power generation, and particularly relates to a combustor ash treatment device based on magnetofluid power generation.

Background

The coal-fired magnetohydrodynamic power generation technology-also called plasma power generation, is a typical application of magnetohydrodynamic power generation, and is characterized in that when high-temperature plasma gas with the temperature of more than 2.6 multiplied by 106 ℃ obtained by burning coal flows through a strong magnetic field at high speed, electrons in the gas flow to an electrode along the direction vertical to magnetic lines under the action of magnetic force, direct current is emitted, and the direct current is inverted into alternating current to be sent to an alternating current power grid; for coal-fired magnetohydrodynamic power generation, a large amount of ash in a combustion chamber enters a power generation channel along with air flow, if the part of ash cannot be removed, the performance and the service life of the channel can be greatly influenced, and the difficulty is also increased for recycling seeds.

Disclosure of Invention

The invention provides a combustion chamber ash slag processing device which can clean ash slag and cool the ash slag in the combustion process in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: the combustor ash treatment device based on magnetofluid power generation comprises a combustor for combusting coal, an ash cooling device for cooling ash in the combustor, wherein the ash cooling device comprises a material conveying part for conveying the ash, a liquid cooling part for cooling the ash, a heat exchange part connected with the liquid cooling part and a collecting part for storing the ash; the material conveying part comprises a blanking hole arranged on the combustion chamber, a barrel body used for temporarily storing uncooled ash, a lifting piece used for controlling the opening and closing of the ash blanking hole and an adjusting piece used for controlling the falling of the ash; through the arrangement of the ash cooling device, the ash in the combustion chamber can be collected and cooled, so that excessive accumulation of the ash in the combustion chamber is avoided; through the arrangement of the conveying component, ash in the combustion chamber can be uniformly and orderly conveyed; through the setting of liquid cooling part, can cool down the lime-ash that gets into, the lime-ash after the cooling can be carried and is collected the piece in, the hydroenergy after absorbing the lime-ash heat can be led into heat transfer in the piece, can save the required water consumption of cooling, is the flaring design between blanking hole and the barrel, makes the lime-ash can disperse the back and get into the liquid cooling part in, the area of contact of increase lime-ash and water, more thoroughly to the cooling of lime-ash.

Preferably, the adjusting part comprises a fixed plate arranged on the cylinder body, a rotating rod arranged on the fixed plate and a movable plate arranged on the rotating rod, and the fixed plate and the movable plate are respectively provided with the same number of through holes in a staggered manner; through the setting of through-hole, the lime-ash that is located on the fixed plate can fall through the through-hole, and through-hole dislocation set on fixed plate and the fly leaf makes the lime-ash can periodic fall, avoids disposable whereabouts lime-ash too much to cause the inside temperature of water of liquid cooling part too high, prevents the inside slow problem of water cooling of liquid cooling part to appear.

Preferably, the lifting piece comprises an annular plate arranged on the cylinder body, a baffle matched with the annular plate, a groove body arranged on the baffle, a spring arranged in the groove body and an ejector pin for dredging a blanking hole; through the setting of baffle, can set up opening and close of blanking hole, when the interior atmospheric pressure of liquid cooling part is too big, gaseous in the barrel can promote the baffle and seal the blanking hole, when atmospheric pressure is less, the baffle can receive gravity whereabouts, make the downthehole lime-ash of blanking fall, setting through the annular slab, can avoid piling up too much lime-ash in the barrel, the baffle passes through the cell body and slides on the dwang, the dwang can play the guide effect to the baffle, certain vibration produces when setting up of spring makes the baffle go up and down, make the more convenient falling of lime-ash, the thimble can dredge the blanking hole, avoid appearing the problem that the lime-ash blockked the blanking hole, the annular slab is the inclined plane with the contact surface of baffle, can prevent that the gas in the combustion chamber from getting into inside the barrel.

Preferably, the liquid cooling part comprises a box body connected with the barrel, a separation hopper arranged in the box body, a first water guide pipe used for supplying water to the box body, and a second water guide pipe used for guiding out water in the box body; the separating hopper divides the box body into a first cavity and a second cavity, the tail end of the first water guide pipe is positioned in the first cavity, and the second water guide pipe is positioned in the second cavity; through the setting of box and separation fill, can carry out abundant cooling to the lime-ash, the separation is fought and is the fill form, make the entering separation fill that the lime-ash in the barrel can be smooth, first aqueduct is arranged in fighting the inside cooling water of supply to the separation, the second aqueduct is used for exporting the water after absorbing the lime-ash heat, the lime-ash can be at the separation in the first cavity in the cooling process, the excessive water of first aqueduct supply can get into the second cavity, water in the second cavity can absorb remaining partial heat in the lime-ash, discharge along with the second aqueduct after absorbing.

Preferably, the separating hopper comprises a cooling section for cooling the ash, a transition section for settling the ash and a conveying section for guiding the ash out, and the conveying section of the separating hopper is connected with the collecting part; the cooling section is the flaring setting, makes the lime-ash in the barrel can drop the separation fill in, and the space in the cooling section is great moreover, can carry out the first absorption to the heat in the lime-ash, and the changeover portion can be gathered the lime-ash, makes the lime-ash can enter into the transport section, carries the lime-ash in the transport section and can carry and collect in the piece.

Preferably, the middle lower part of the rotating rod is provided with a plurality of blades, the bottom of the rotating rod is provided with a support rod, at least one stirring rod is arranged on the support rod and positioned on the inner side of the transition section, and a spiral outer wall is arranged on the support rod and positioned on the inner side of the conveying section; through the setting of blade, the blade rotates and will drives dwang and branch and rotate, and the puddler on the branch can mix the lime-ash in the changeover portion, absorbs once more remaining heat in the lime-ash, and the spiral outer wall on the branch can play the effect that promotes to the lime-ash in the transport section, makes in the lime-ash can be more convenient gets into the collection piece.

Preferably, a nozzle matched with the blade for use is arranged at one end of the first water guide pipe, which is positioned in the first cavity; through the setting of shower nozzle, can make the water that gets into in the first cavity have certain speed, the shower nozzle uses with the blade cooperation, makes shower nozzle spun hydroenergy enough drive the blade and rotates, for the unloading of lime-ash before the cooling and the derivation of cooling back lime-ash provide power, need not to set up other power component again, avoids extravagant.

Preferably, the first water guide pipe is connected with the heat exchange piece, and the second water guide pipe is connected with the heat exchange piece; absorb water behind the ash and slag heat and can carry out the heat transfer in leading-in heat transfer spare through the second aqueduct, water after the heat transfer spare cooling can continue to be inside through leading-in first cavity of first aqueduct, and the heat of aquatic can receive the utilization once more, and the hydroenergy after the cooling gets into first cavity once more and cools down the ash and slag, reduces the waste of water and heat, and the heat transfer spare can be for the heat exchanger of directly purchasing on the market.

Preferably, an overflow port is formed in the cooling section of the separation hopper, a filter element is arranged on the overflow port, a branch pipe is arranged on the first water guide pipe, and the other end of the branch pipe is arranged on the overflow port; through the setting of overflow mouth, make the inside excessive hydroenergy of separation fill in time leading-in second cavity, avoid water excessive entering barrel inside to cause the problem that the cooling of lime-ash is thorough and blockked up inadequately, filter and can avoid the lime-ash to get into the inside of second cavity, prevent the jam of second aqueduct.

Preferably, the cooling section of the separation hopper is provided with a spiral inner wall; through the arrangement of the spiral inner wall, the flow speed of entering water can be improved, ash slag is fully cooled, and the ash slag is more quickly settled.

In summary, the invention has the following advantages: through the arrangement of the ash cooling device, the ash in the combustion chamber can be collected and cooled, so that excessive accumulation of the ash in the combustion chamber is avoided; through the arrangement of the conveying component, ash in the combustion chamber can be uniformly and orderly conveyed; through the setting of liquid cooling part, can cool down the lime-ash that gets into, the lime-ash after the cooling can be carried and is collected the piece in, and the hydroenergy after absorbing the lime-ash heat can be led into heat transfer in the heat transfer piece, can save the required water consumption of cooling.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a partial cross-sectional view taken at a-a in fig. 2.

Fig. 4 is a schematic structural view of the separating hopper of the present invention.

Fig. 5 is an enlarged view of a portion a in fig. 3.

Fig. 6 is an enlarged view at B in fig. 3.

Fig. 7 is an enlarged view at C in fig. 3.

Fig. 8 is a schematic structural view of the strut of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-8, a combustor ash treatment device based on magnetofluid power generation comprises a combustor 1 for combusting coal, and an ash cooling device for cooling ash in the combustor 1, wherein the ash cooling device comprises a material conveying part for conveying ash, a liquid cooling part for cooling ash, a heat exchange part connected with the liquid cooling part, and a collecting part for storing ash; the material conveying part comprises a blanking hole 211 arranged on the combustion chamber 1, a barrel 212 used for temporarily storing uncooled ash, a lifting part used for controlling the opening and closing of the ash blanking hole 211 and an adjusting part used for controlling the falling of the ash; during the use, the lime-ash that the inside burning of combustion chamber 1 produced can fall in blanking hole 211, the lime-ash in blanking hole 211 can get into barrel 212 at first, under the effect of regulating part, the lime-ash can pass on the regulating part gets into the lifting member, the speed that the lime-ash whereabouts can be controlled to the lifting member, it cools off in the stable entering liquid cooling part of lime-ash to make, lime-ash after the cooling can get into the collection piece, the water after the heat absorption in the cooling process can carry out heat recovery in getting into the piece of changing heat, the collection piece can be the lime-ash storage box of direct purchase on the market, the heat exchanger that directly buys on the market can be regarded as to the heat transfer piece, water after heat recovery can get into liquid cooling part again in, can carry out reuse to water, reduce the waste of water.

Specifically, the adjusting member includes a fixing plate 2141 disposed on the barrel 212, a rotating rod 2142 disposed on the fixing plate 2141, and a movable plate 2143 disposed on the rotating rod 2142, and the fixing plate 2141 and the movable plate 2143 are respectively provided with the same number of through holes 2144 in a staggered manner; the adjusting member is used to control the falling amount of ash, when the fixing plate 2141 partially overlaps the through hole 2144 of the movable plate 2143, the ash in the cylinder 212 and on the fixing plate 2141 will fall into the separating hopper 222 below through the through hole 2144, and when the fixing plate 2141 does not overlap the through hole 2144 of the movable plate 2143, the ash in the cylinder 212 and on the fixing plate 2141 will not fall.

Specifically, the lifting piece comprises an annular plate 2131 arranged on the cylinder body 212, a baffle 2132 matched with the annular plate 2131 for use, a groove 2133 arranged on the baffle 2132, a spring 2134 arranged in the groove 2133 and a thimble 2135 for dredging the blanking hole 211; because ash in the combustion chamber 1 has certain heat, when the spring 2134 is in a normal extension state when the combustion chamber is not used, the ash can enter the cylinder 212 along a gap between the baffle 2132 and the annular plate 2131, when the ash with certain heat contacts with water, a certain amount of water can be evaporated by the ash so that the ash becomes steam, the internal air pressure can be increased, when the air pressure reaches a certain value, the air pressure can overcome the gravity of the baffle 2132 so that the ash moves upwards and closes the blanking hole 211, at the moment, the ash can not continuously enter the cylinder 212, the internal air pressure can be gradually reduced along with continuous guiding out of the water after heat absorption, at the moment, the baffle 2132 can be downwards reset again, a part of the ash in the blanking hole 211 falls into the cylinder 212, in the lifting process of the baffle 2132, the thimble 2135 can dredge the blanking hole 211, the internal blockage of the blanking hole 211 can be avoided, when high-pressure gas in the combustion chamber 1 enters the cylinder 212, the baffle 2132 can be closed with the annular plate 2131 under the promotion of high-pressure gas, makes inside gas not getting into barrel 212, avoids the inside gaseous waste of combustion chamber 1, and this kind of setting can reach the purpose of opening and close of control blanking hole 211 through lime-ash evaporation moisture, need not to set up control unit, saves the resource, convenient to use.

Specifically, the liquid cooling unit includes a tank 221 connected to the barrel 212, a separation bucket 222 disposed in the tank 221, a first water conduit 223 for supplying water to the tank 221, and a second water conduit 224 for guiding out water in the tank 221; the separation hopper 222 divides the box body 221 into a first cavity 2211 and a second cavity 2212, the end of the first water conduit 223 is located inside the first cavity 2211, and the second water conduit 224 is located inside the second cavity 2212; when the air pressure type ash separator is used, cold water is supplied into the first cavity 2211 through the first water guide pipe 223, the ash entering the first cavity 2211 can be cooled by the cold water, the liquid level in the separating hopper 222 can be continuously increased along with the continuous addition of the water, when the liquid level reaches the overflow port 22211, the water absorbing the heat of the ash can enter the second cavity 2212, the water entering the second cavity 2212 can enter and be led out through the second water guide pipe 224 due to the fact that the second water guide pipe 224 is located inside the second cavity 2212, meanwhile, the ash can evaporate part of water, the air pressure inside the first cavity 2211 is increased, at the moment, part of air can enter the second cavity 2212, the air pressure inside the second cavity 2212 is increased, and the water in the second cavity 2212 can be pushed into the second water guide pipe 224 due to the fact that the air pressure inside the second cavity 2212 is high, and the water after heat absorption can be led out more quickly.

Specifically, the separation hopper 222 comprises a cooling section 2221 for cooling ash, a transition section 2222 for settling the ash, and a conveying section 2223 for guiding the ash out, wherein the conveying section 2223 of the separation hopper 222 is connected with a collecting part; ash firstly falls into the cooling section 2221 of the separating hopper 222, water in the cooling section 2221 absorbs heat for the first time, the separating hopper 222 is in flaring design, the separating hopper 222 is at a certain distance from the movable plate 2143, the ash is dispersed in the falling process, the contact area between the ash and the water is larger, the cooling effect is better, the ash in the water sinks under the action of gravity and enters the transition section 2222, the transition section 2222 is connected with the cooling section 2221, the ash can be gathered together in the transition section 2222, the gathered ash can slowly move downwards in the conveying section 2223 along with the more the ash, and the conveying section 2223 can lead out the cooled ash and avoid accumulation in the separating hopper 222.

Specifically, a plurality of blades 21421 are arranged at the middle lower part of the rotating rod 2142, a support rod 21422 is arranged at the bottom of the rotating rod 2142, at least one stirring rod 21423 is arranged on the support rod 21422 and positioned at the inner side of the transition section 2222, and a spiral outer wall is arranged on the support rod 21422 and positioned at the inner side of the conveying section 2223; the dwang 2142 can drive the branch 21422 when rotating and rotate, branch 21422 can drive the puddler 21423 when rotating and stir nearby lime-ash, and make the lime-ash suspend near changeover portion 2222, make the lime-ash fully contact with water again, reach and carry out the secondary absorption to the residual heat in the lime-ash, when liquid temperature is less than in the separation fill 222 in the second cavity 2212, the heat in the separation fill 222 can be absorbed by second cavity 2212, make the heat recovery of lime-ash more thorough, the inside lime-ash of conveying section 2223 can be stirred to the spiral outer wall of lower part in the branch 21422 simultaneously, and can dredge conveying section 2223, make the more efficient derivation of inside lime-ash, avoid blockking up.

Specifically, a spray head 2231 used in cooperation with the blades 21421 is arranged at one end of the first water conduit 223, which is located in the first cavity 2211; when the spray head 2231 sprays water in the first water guiding pipe 223, the sprayed water drives the blade 21421 to rotate, the blade 21421 can drive the movable plate 2143 and the supporting rod 21422 to rotate while rotating, the movable plate 2143 can control the ash to be continuously added, the supporting rod 21422 can rotate to push the ash in the conveying section 2223 to be discharged and stir the ash in the transition section 2222, other components do not need to be additionally arranged, waste is reduced, and the use is more convenient.

Specifically, the first water conduit 223 is connected to the heat exchanger, and the second water conduit 224 is connected to the heat exchanger; the inside hosepipe of second cavity 2212 has certain temperature, and the water of deriving from second cavity 2212 can get into and carry out the heat absorption in the heat exchanger, and the water after heat recovery of heat exchanger can carry out reuse in getting into first cavity 2211 through first aqueduct 223, so circulation, the waste of the water that reduces that can to a great extent.

Specifically, an overflow port 22211 is arranged on the cooling section 2221 of the separation hopper 222, a filter element is arranged on the overflow port 22211, a branch pipe 2232 is arranged on the first water guide pipe 223, and the other end of the branch pipe 2232 is arranged on the overflow port 22211; the filtering member can be a filtering plate directly purchased from the market, because water is continuously added, water in the separating hopper 222 can be continuously increased, the water level is also continuously increased, when the water level reaches the overflow port 22211, the water can flow into the second cavity 2212 through the overflow port 22211, because ash and slag are also continuously added in the water adding process, a small amount of ash and slag are easy to float on the water surface, when the water passes through the overflow port 22211, the filtering plate can filter the ash and slag floating in the water and on the water surface, the ash and slag are prevented from entering the second cavity 2212, part of water in the second water guide pipe 223 can be discharged through the branch pipe 2232, because the outlet of the branch pipe 2232 is arranged on the overflow port 22211, the discharged water can flush the ash and slag on the filtering plate, so that the ash and slag enter the separating hopper 222 again, and the problem that the ash and slag block the filtering plate to cause that water cannot flow out in time is avoided.

Specifically, the cooling section 2221 of the separation hopper 222 is provided with a spiral inner wall; puddler 21423 can drive the ash and slag rotation and form the vortex when rotating, and the spiral inner wall can improve the velocity of flow of water, makes the ash and slag in the water have certain centrifugal force, and the ash and slag can move towards the lateral wall of separation fill 222 under the effect of centrifugal force, makes the ash and slag can be better subside to cooling section 2221 bottom.

The working principle is as follows: when the water level reaches the overflow port 22211, the water enters the second cavity 2212 along the overflow port 22211; ash generated in the combustion chamber 1 firstly enters the blanking hole 211, when the baffle 2132 is opened, the ash can enter the cylinder 212, the rotating rod 2142 can drive the movable plate 2143 to rotate so that the ash on the movable plate falls into water in the separating hopper 222 periodically, water can evaporate a part of water when contacting with the ash, at the moment, heat of the ash is absorbed by the water, air pressure in the box body 221 is raised, under the action of the air pressure, the baffle 2132 can move upwards and block the blanking hole 211, and water in the second cavity 2212 can be led out in an accelerated manner; the water passing through the second water conduit 224 is guided into the heat exchanger, the heat exchanger absorbs the heat in the water, and the water after heat recovery enters the separation hopper 222 again for reuse; when the air pressure in the box 221 is reduced, the baffle 2132 is reset, ash and slag can continuously enter the barrel 212, the device can recycle water, waste of water is reduced, and the ash and slag can be fully cooled.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims (6)

1. The utility model provides a combustion chamber lime-ash processing apparatus based on magnetic current body electricity generation, includes combustion chamber (1) that is used for burning the coal, is used for carrying out the ash cooling device of cooling processing to combustion chamber (1) lime-ash, its characterized in that: the ash cooling device comprises a material conveying part for conveying ash, a liquid cooling part for cooling the ash, a heat exchange part connected with the liquid cooling part and a collecting part for storing the ash; the material conveying part comprises a blanking hole (211) arranged on the combustion chamber (1), a barrel (212) used for temporarily storing uncooled ash, a lifting piece used for controlling the opening and closing of the ash blanking hole (211) and an adjusting piece used for controlling the falling of the ash; the liquid cooling part comprises a box body (221) connected with the barrel body (212), a separating hopper (222) arranged in the box body (221), a first water guide pipe (223) used for supplying water to the box body (221), and a second water guide pipe (224) used for guiding out the water in the box body (221); the separation hopper (222) divides the box body (221) into a first cavity (2211) and a second cavity (2212), the tail end of the first water guide pipe (223) is positioned inside the first cavity (2211), and the second water guide pipe (224) is positioned inside the second cavity (2212); the first water guide pipe (223) is connected with the heat exchange element, and the second water guide pipe (224) is connected with the heat exchange element; an overflow port (22211) is formed in the cooling section (2221) of the separation hopper (222), a filtering piece is arranged on the overflow port (22211), a branch pipe (2232) is arranged on the first water guide pipe (223), and the other end of the branch pipe (2232) is arranged on the overflow port (22211); the cooling section (2221) of the separation hopper (222) is provided with a spiral inner wall.

2. The combustor ash treatment device based on magnetohydrodynamic electricity generation as claimed in claim 1, wherein: the adjusting part comprises a fixing plate (2141) arranged on the barrel body (212), a rotating rod (2142) arranged on the fixing plate (2141) and a movable plate (2143) arranged on the rotating rod (2142), and through holes (2144) with the same number are arranged on the fixing plate (2141) and the movable plate (2143) in a staggered mode respectively.

3. The combustor ash treatment device based on magnetohydrodynamic electricity generation as claimed in claim 1, wherein: the lifting piece comprises an annular plate (2131) arranged on the barrel body (212), a baffle (2132) matched with the annular plate (2131) for use, a groove body (2133) arranged on the baffle (2132), a spring (2134) arranged in the groove body (2133) and a thimble (2135) used for dredging the blanking hole (211).

4. The combustor ash treatment device based on magnetohydrodynamic electricity generation as claimed in claim 1, wherein: the separating hopper (222) comprises a cooling section (2221) for cooling ash, a transition section (2222) for settling the ash and a conveying section (2223) for guiding the ash out, and the conveying section (2223) of the separating hopper (222) is connected with a collecting piece.

5. The combustor ash treatment device based on magnetohydrodynamic electricity generation as claimed in claim 2, wherein: the well lower part of dwang (2142) is provided with a plurality of blade (21421), the bottom of dwang (2142) is equipped with branch (21422), on branch (21422) and be located changeover portion (2222) inboard and be provided with a puddler (21423) at least, the inboard that just is located transport section (2223) on branch (21422) is equipped with the spiral outer wall.

6. The combustor ash treatment device based on magnetohydrodynamic electricity generation as claimed in claim 1, wherein: one end of the first water guide pipe (223) in the first cavity (2211) is provided with a spray head (2231) matched with the blade (21421).

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