CN212798649U - Air conveying chute for fly ash production - Google Patents

Abstract

The utility model belongs to the technical field of the material transport technique and specifically relates to an air conveying chute is used in fly ash production is related to, it includes the last box that the slope was arranged and lower box and establish the infiltration film between last box and lower box, go up the box and enclose with lower box and close and form confined cavity, the infiltration film separates into the material passageway that is located the top with the cavity and is located the air passage of below, go up the high-end feed inlet that is equipped with of box, the low side is equipped with the gas outlet, the high-end air inlet that is equipped with of box down, the low side is equipped with the discharge gate, the air inlet is equipped with the fan that is used for breathing in including the intake pipe and the dehumidification pipe of vertical setting side by side in the intake pipe, the dehumidification pipe is equipped with and. The present application has the following effects: through setting up the dehumidification subassembly that can dehumidify to the air, avoid the material to absorb the steam in the air and lead to the material humidity, not only guaranteed the mobility of material, can not influence the quality of material moreover.

Description

Air conveying chute for fly ash production

Technical Field

The application relates to the technical field of material conveying, in particular to an air conveying chute for fly ash production.

Background

Fly ash is a fine solid particulate matter in flue gas ash generated by fuel combustion, and is widely applied to industries such as construction, building materials, water conservancy and the like. In daily production, fly ash can be conveyed by adopting an air conveying chute, and the air conveying chute is continuous pneumatic conveying equipment for conveying dry powdery materials obliquely downwards, and has the advantages of material saving, good sealing performance, simple structure, safe operation and the like.

The prior Chinese utility model patent with the publication number of CN209835028U discloses an air conveying chute for fly ash production, which comprises an upper box body, a lower box body and a high-pressure fan, wherein the upper box body and the lower box body are obliquely arranged, the upper box body and the lower box body are connected into a closed cavity through mating flanges, a ventilation layer is arranged between the upper box body and the lower box body, the cavity is divided into an upper channel and a lower channel by the ventilation layer, the upper channel is a feeding channel, the lower channel is an air blowing channel, the ventilation layer sequentially comprises a rigid ventilation layer and a fiber ventilation layer from top to bottom, the rigid ventilation layer is provided with air holes, the higher end of the top of the upper box body is provided with an inlet pipe, the lower end of the top of the upper box body is provided with an exhaust pipe, the higher end of the bottom of the lower box body is provided with an inlet pipe, the lower end of the, a plurality of buffer plates which are arranged in a vertically staggered manner are obliquely arranged in the feeding channel below the feeding pipe. The air conveying chute has the advantages of long service life, low maintenance frequency and high working efficiency.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the high pressure positive blower inhales from the atmosphere, if the air conveying chute surrounding environment is moist, when there is more steam in the air, when the air distributes among the material granule after being inhaled and makes the material fluidized, easily leads to the material to absorb the steam in the air and leads to the material moist, not only makes the mobility of material worsen, still influences the quality of material.

SUMMERY OF THE UTILITY MODEL

In order to carry out dehumidification to the air that high pressure positive blower inhales, this application provides a fly ash production uses air delivery chute.

The application provides an air conveying chute for fly ash production adopts following technical scheme:

an air conveying chute for fly ash production comprises an upper box body and a lower box body which are obliquely arranged, and a permeable membrane arranged between the upper box body and the lower box body, the upper box body and the lower box body are enclosed to form a closed cavity, the permeable membrane divides the cavity into a material channel positioned above and an air channel positioned below, the upper box body is provided with a feed inlet at the high end and an air outlet at the low end, the lower box body is provided with an air inlet at the high end and a discharge outlet at the low end, the feed inlet, the discharge outlet and the air outlet are communicated with a material channel, the air inlet is communicated with an air channel, the air inlet includes intake pipe and the dehumidification pipe of vertical setting side by side, the bottom of intake pipe and dehumidification pipe is sealed and communicates each other, and the top and the air passage intercommunication of intake pipe are equipped with in the intake pipe and are used for inspiratory fan, the dehumidification pipe is equipped with and is used for carrying out the dehumidification subassembly that the dehumidification was handled to inspiratory air.

Through adopting above-mentioned technical scheme, when carrying the fly ash material, pour the material into material passageway from the feed inlet in, start the fan simultaneously and breathe in, the air is dehumidified by dehumidification subassembly when inhaling from the dehumidification pipe, steam in the air reduces in the back through the intake pipe gets into air channel, and the infiltration film through densely covered space distributes and makes the material fluidized between the material granule, fluidized material carries to discharge gate one end along material passageway under the effect of gravity, the material falls into handling device from the discharge gate, accomplish the transport of material, dehumidification subassembly can be to air dehumidification, avoid the material to absorb steam in the air and lead to the material humidity, the mobility of material has not only been guaranteed, and can not influence the quality of material.

Preferably, the dehumidification assembly comprises a semiconductor refrigerator, the cold end of the semiconductor refrigerator is arranged in the dehumidification pipe, and the hot end of the semiconductor refrigerator is arranged in the air inlet pipe.

Through adopting above-mentioned technical scheme, the fan begins the back of breathing in, and the air gets into the intake pipe from the dehumidification pipe, and when the cold junction, the steam in the air liquefies into the water droplet with the cold, and the water droplet is stayed in the dehumidification pipe because its action of gravity, and the air after the dehumidification is inhaled the intake pipe and is gone into air passage, and the air after the dehumidification is heated the inflation when the hot junction, and the air current degree accelerates, makes the material change that flows more.

Preferably, the cold end of the semiconductor refrigeration piece is connected with a heat conduction frame, and the heat conduction frame is located in the dehumidification pipe.

Through adopting above-mentioned technical scheme, heat-conduction frame conducts the temperature of cold junction, makes the steam in the air can be by abundant liquefaction when the cold junction.

Preferably, a water tank is arranged at the bottom end of the dehumidification pipe, and a water outlet faucet is arranged on one side of the water tank, which is far away from the air inlet pipe.

Through adopting above-mentioned technical scheme, in the steam in the air fell into the basin after the cold junction is liquefied, the faucet that goes out was used for emitting the water in the basin.

Preferably, the side wall of the water collecting tank where the water outlet faucet is located is provided with a transparent part.

Through adopting above-mentioned technical scheme, operating personnel's permeable transparency can observe the ponding condition in the basin to in time discharge water.

Preferably, the closed end of the air inlet pipe is welded and fixed with an inclined plate, and the inclined plate is arranged below the fan.

Through adopting above-mentioned technical scheme, the hang plate is convenient for the fan with the air suction, and when the fan inhaleed a small amount of water droplet in intake pipe one side simultaneously, the water droplet can flow back to the dehumidification pipe from the hang plate.

Preferably, the air inlet pipe is provided with a grid clamping plate, the grid clamping plate is positioned above the hot end of the semiconductor refrigerator, and the grid clamping plate comprises an upper clamping plate, a lower clamping plate and a drying agent bag arranged between the upper clamping plate and the lower clamping plate.

Through adopting above-mentioned technical scheme, remaining steam in the air after the further absorption dehumidification of the drier bag of net splint makes the air that gets into air passage drier.

Preferably, the intake pipe is equipped with the open slot that is used for the grid splint integrated circuit board to put, grid splint one end inserts in the open slot and the other end is equipped with the mounting panel and covers the open slot, the mounting panel passes through fastener and intake-tube connection.

Through adopting above-mentioned technical scheme, the net splint can be dismantled and arrange, are convenient for regularly take out the net splint and change the drier bag to guarantee the hydroscopicity of drier bag.

Preferably, the upper box body is provided with an inspection cover.

Through adopting above-mentioned technical scheme, the inspection lid is convenient for maintenance person to carry out maintenance to the inside of air conveying chute, guarantees the normal work of air conveying chute.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the dehumidification component capable of dehumidifying air is arranged, so that materials are prevented from absorbing water vapor in air to cause material humidity, the flowability of the materials is guaranteed, and the quality of the materials is not influenced;

2. the mesh clamping plate with the desiccant bag is arranged to further absorb residual water vapor in the dehumidified air, so that the air entering the air channel is drier;

3. through setting up the inspection lid, the maintenance personal of being convenient for maintains the inside of air conveying chute, guarantees the normal work of air conveying chute.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram showing the internal structure of an embodiment of the present application;

FIG. 3 is an enlarged view of section H of FIG. 2;

fig. 4 is an exploded view of an air intake in an embodiment of the present application.

Description of reference numerals: 1. an upper box body; 11. a feed inlet; 12. an air outlet; 13. a buffer plate; 14. inspecting the cover; 2. a lower box body; 21. an air inlet; 211. an air inlet pipe; 2111. an inclined plate; 2112. an open slot; 212. a dehumidification pipe; 2121. a water tank; 2122. a water outlet tap; 2123. a transparent member; 22. a discharge port; 3. a permeable membrane; 4. a material channel; 5. an air passage; 6. a fan; 7. a semiconductor refrigerator; 71. a cold end; 711. a thermally conductive frame; 72. a hot end; 8. a dust remover; 81. an air duct; 9. grid clamping plates; 91. an upper splint; 92. a lower splint; 93. a desiccant bag; 94. and (7) mounting the plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses fly ash production is with air delivery chute. Referring to fig. 1, the air delivery chute comprises an upper box 1 and a lower box 2 arranged obliquely, in conjunction with fig. 2, and a permeable membrane 3 provided between the upper box 1 and the lower box 2. Go up and connect through assembly flange between box 1 and the lower box 2, the assembly flange is equipped with the channel-section steel outward, is equipped with between channel-section steel and the assembly flange and waits sealed glue, and the channel-section steel will be assembled flange parcel and through bolted connection spare locking such as bolt and auto-lock nut fixed. The upper box body 1 and the lower box body 2 are enclosed to form a closed cavity, and the permeable membrane 3 is positioned between the assembly flanges of the upper box body 1 and the lower box body 2 and is clamped and fixed through the assembly flanges.

Referring to fig. 2, a permeable membrane 3 divides the cavity into an upper material channel 4 and a lower air channel 5. The upper box body 1 is provided with a feed inlet 11 at the high end and an air outlet 12 at the low end; the high end of the lower box body 2 is provided with an air inlet 21, and the low end is provided with a discharge hole 22. The feed inlet 11, the discharge outlet 22 and the air outlet 12 are communicated with the material channel 4, and the air inlet 21 is communicated with the air channel 5. One end of the feed inlet 11, which is far away from the upper box body 1, is of a tapered structure with a large upper part and a small lower part, so that the materials can enter conveniently.

Referring to fig. 3, the air inlet 21 includes an air inlet pipe 211 and a dehumidifying pipe 212 vertically arranged side by side along the length direction of the upper case 1 and the lower case 2, the bottom ends of the dehumidifying pipe 212 and the air inlet pipe 211 are closed and communicated with each other, and the top end of the air inlet pipe 211 is communicated with the air passage 5. The bottom of the air inlet pipe 211 is provided with a fan 6 for air suction, the fan 6 is driven by a micro motor (not shown in the figure), and the air inlet pipe 211 is provided with a pipeline for supplying energy to the micro motor. The air inlet 21 is provided with a dehumidifying component for dehumidifying the sucked air.

When carrying the fly ash material, pour the material into material passageway 4 from feed inlet 11 in, start fan 6 simultaneously and breathe in, the air is dehumidified by dehumidification subassembly when inhaling from the open end of dehumidification pipe 212, the steam in the air reduces in the back along intake pipe 211 gets into air channel 5, and distribute between the material granule through the infiltration film 3 of densely covered space and make the material be fluidized, the fluidized material is carried to discharge gate 22 one end along material passageway 4 under the effect of gravity, the material falls into handling device from discharge gate 22 in, accomplish the transport of material. The dehumidification subassembly can be to the air dehumidification, avoids the material to absorb the steam in the air and leads to the material humidity, has not only guaranteed the mobility of material, can not influence the quality of material moreover.

Referring to fig. 2, a dust collector 8 is connected to one end of the air outlet 12 away from the upper box 1, and the dust collector 8 is connected to the top end of the dehumidification pipe 212 through an air duct 81. The air at the air outlet 12 is purified by the dust collector 8 and then is conveyed to the dehumidifying pipe 212 of the air inlet 21 through the air guide pipe 81, so that the air is recycled.

Referring to fig. 2, the upper casing 1 is provided with an inclined buffer plate 13 at the feed port 11, and the buffer plate 13 is provided with fine holes. In this embodiment, two buffer plates 13 are provided up and down, and the two buffer plates 13 are inclined in opposite directions. The buffer plate 13 buffers the material when the material enters the material passage 4, and reduces the pressure of the material acting on the permeable membrane 3.

Referring to fig. 2, the upper case 1 is provided with an inspection cover 14. Go up the top surface of box 1 and be the inspection opening of rectangle, inspection lid 14 seals the inspection opening and is connected with last box 1 through four outer hex bolts, is equipped with the sealed leakproofness of guaranteeing inspection opening department of second packing between inspection lid 14 and the last box 1. The arrangement of the inspection cover 14 facilitates maintenance personnel to maintain the inside of the air delivery chute and ensure the normal operation of the air delivery chute.

Referring to fig. 3, the dehumidification assembly includes a semiconductor refrigerator 7. The power supply device and the control unit of the semiconductor refrigerator 7 adopt the power supply device and the control unit of the micro motor, and the semiconductor refrigerator 7 starts to refrigerate when the micro motor drives the fan 6 to suck air. The cold end 71 of the semiconductor refrigerator 7 is disposed in the dehumidification tube 212, and the hot end 72 is disposed in the intake tube 211.

The closed end of the air inlet pipe 211 is fixedly welded with an inclined plate 2111, the inclined plate 2111 is arranged below the fan 6, the high end of the inclined plate 2111 is positioned on one side of the air inlet pipe 211, which is far away from the communication position, and the low end of the inclined plate 2111 is positioned on one side of the air inlet pipe 211, which is close to the communication position. The inclined plate 2111 facilitates the fan 6 to draw in air, and when the fan 6 draws a small amount of water droplets into the side of the intake pipe 211, the water droplets may flow back from the inclined plate 2111 to the dehumidification tubing 212.

After the fan 6 starts to suck air, air enters the air inlet pipe 211 from the dehumidification pipe 212, when the air passes through the cold end 71, water vapor in the air is liquefied into water drops when meeting cold, the water drops are remained in the dehumidification pipe 212 due to the action of gravity, the dehumidified air is sucked into the air inlet pipe 211 and enters the air channel 5, the dehumidified air is heated and expanded when passing through the hot end 72, the air fluidity is accelerated, and the materials are made to flow more easily.

Referring to fig. 4, a heat conduction frame 711 is connected to the cold end 71 of the semiconductor chilling plate, and the heat conduction frame 711 is located inside the dehumidifying pipe 212. The heat conduction frame 711 is a rectangular frame made of aluminum alloy, the heat conduction frame 711 is welded and fixed on the cold end 71, and the temperature of the cold end 71 can be led to the heat conduction frame 711. A gap is left between the heat conduction frame 711 and the side wall of the dehumidification pipe 212 to prevent the temperature of the cold end 71 from being directly conducted to the side wall of the dehumidification pipe 212 and being obviously reduced to the cold end 71. The heat transfer frame 711 allows the moisture in the air to be sufficiently liquefied as the air passes through the cold end 71.

Referring to fig. 4, a water tank 2121 is disposed at the bottom end of the dehumidification pipe 212, an opening is disposed at the water tank 2121 of the dehumidification pipe 212, the water tank 2121 is welded and fixed at the opening, and water vapor in the air is liquefied by the cold end 71 and falls into the water tank 2121. A water outlet tap 2122 is provided on a side of the water tank 2121 away from the air inlet pipe 211 for discharging water in the water tank 2121.

The water tank 2121 is provided with a transparent member 2123 on a side wall where the water outlet tap 2122 is located. The transparent part 2123 is made of polycarbonate or toughened glass, and the transparent part 2123 is adhered to the water tank 2121 by structural adhesive, so that the transparent part 2123 is firmly mounted while the air tightness of the fitting part is ensured. An operator can observe the accumulated water in the water tank 2121 through the transparent member 2123, so as to discharge the water in time.

Referring to fig. 4, the air inlet pipe 211 is provided with a grid clamping plate 9, and the grid clamping plate 9 is positioned above the hot end 72 of the semiconductor cooler 7. The grid clamp 9 includes an upper clamp 91, a lower clamp 92, and a desiccant bag 93 disposed between the upper clamp 91 and the lower clamp 92. The upper clamp plate 91 and the lower clamp plate 92 are rectangular frame bodies with grids built in, one end of the lower clamp plate 92 is hinged to one end of the upper clamp plate 91, the other end of the lower clamp plate is connected with locking pieces such as countersunk head bolts, and the drying agent bag 93 is clamped and fixed at the top of the air inlet pipe 211 through the upper clamp plate 91 and the lower clamp plate 92. The desiccant bag 93 further absorbs moisture remaining in the dehumidified air, so that the air entering the air passage 5 is further dried.

Referring to fig. 4, the air inlet pipe 211 is provided with an open groove 2112 for the grid splint 9 to be caught, the open groove 2112 being notched toward a side away from the dehumidifying pipe 212. One end of the grid clamping plate 9 is inserted into the opening slot 2112, and the other end is provided with a mounting plate 94 to cover the opening slot 2112. The mounting plate 94 is rectangular, and the mounting plate 94 is connected to the intake pipe 211 by a fastening member such as a stainless steel bolt. Four fasteners are provided, one at each of the four corners of the mounting plate 94. A first sealing gasket can be additionally arranged between the mounting plate 94 and the fastener to ensure the air tightness of the matching part and prevent air leakage. The grid clamping plates 9 are detachably arranged, so that the grid clamping plates 9 can be taken out and the desiccant bags 93 can be replaced conveniently at regular intervals, and the water absorption of the desiccant bags 93 is guaranteed.

The implementation principle of the air conveying chute for producing fly ash in the embodiment of the application is as follows: when the fly ash material is conveyed, the material is poured into the material channel 4 from the feeding port 11, meanwhile, the fan 6 is started to suck air, air is sucked from the opening end of the dehumidifying pipe 212, when the fly ash material passes through the cold end 71 of the semiconductor refrigerator 7, water vapor in the air is liquefied into water drops when meeting cold, the water drops into the water tank 2121, the dehumidified air enters the air inlet pipe 211, and expands and accelerates when passing through the hot end 72, the dehumidified air is further dried when passing through the grid clamping plate 9 and then enters the air channel 5, the air is distributed among material particles through the permeable film 3 densely distributed with gaps to fluidize the material, the fluidized material is conveyed to one end of the discharging port 22 along the material channel 4 under the action of gravity, the material falls into the conveying device from the discharging port 22, the conveying of the material is completed, and finally, the water outlet. The dehumidification subassembly can be to the air dehumidification, avoids the material to absorb the steam in the air and leads to the material humidity, has not only guaranteed the mobility of material, can not influence the quality of material moreover.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides an air conveying chute is used in fly ash production, includes last box (1) and lower box (2) that the slope was arranged and establishes at last box (1) and infiltration film (3) between box (2) down, go up box (1) and enclose with lower box (2) and close and form confined cavity, material passageway (4) that lie in the top and air channel (5) that lie in the below are separated into with cavity to infiltration film (3), it is equipped with feed inlet (11) to go up box (1) high-end, and the low side is equipped with gas outlet (12), box (2) high-end is equipped with air inlet (21) down, and the low side is equipped with discharge gate (22), feed inlet (11), discharge gate (22) and gas outlet (12) and material passageway (4) intercommunication, air inlet (21) and air channel (5) intercommunication, its characterized in that: air inlet (21) are including intake pipe (211) and dehumidification pipe (212) of vertical setting side by side, the bottom of intake pipe (211) and dehumidification pipe (212) is sealed and communicates each other, and the top and the air duct (5) intercommunication of intake pipe (211) are equipped with in intake pipe (211) and are used for inspiratory fan (6), dehumidification pipe (212) are equipped with the dehumidification subassembly that is used for carrying out dehumidification processing to inspiratory air.

2. The air delivery chute for fly ash production as set forth in claim 1, wherein: the dehumidification assembly comprises a semiconductor refrigerator (7), a cold end (71) of the semiconductor refrigerator (7) is arranged in the dehumidification pipe (212), and a hot end (72) is arranged in the air inlet pipe (211).

3. The air delivery chute for fly ash production as set forth in claim 2, wherein: the cold end (71) of the semiconductor refrigerator is connected with a heat conduction frame (711), and the heat conduction frame (711) is positioned in the dehumidification pipe (212).

4. The air delivery chute for fly ash production as set forth in claim 1, wherein: the bottom end of the dehumidification pipe (212) is provided with a water tank (2121), and one side of the water tank (2121) far away from the air inlet pipe (211) is provided with a water outlet faucet (2122).

5. The air delivery chute for fly ash production as set forth in claim 4, wherein: the side wall of the water tank (2121) where the water outlet faucet (2122) is located is provided with a transparent piece (2123).

6. The air delivery chute for fly ash production as set forth in claim 2, wherein: the closed end of the air inlet pipe (211) is fixedly welded with an inclined plate (2111), and the inclined plate (2111) is arranged below the fan (6).

7. The air delivery chute for fly ash production as set forth in claim 1, wherein: the air inlet pipe (211) is provided with a grid clamping plate (9), the grid clamping plate (9) is positioned above the hot end (72) of the semiconductor refrigerator (7), and the grid clamping plate (9) comprises an upper clamping plate (91), a lower clamping plate (92) and a desiccant bag (93) arranged between the upper clamping plate (91) and the lower clamping plate (92).

8. The air delivery chute for fly ash production as set forth in claim 7, wherein: intake pipe (211) are equipped with open slot (2112) that are used for grid splint (9) card to put, grid splint (9) one end is inserted in open slot (2112) and the other end is equipped with mounting panel (94) and covers open slot (2112), mounting panel (94) are connected with intake pipe (211) through the fastener.

9. The air delivery chute for fly ash production as set forth in claim 1, wherein: the upper box body (1) is provided with an inspection cover (14).

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