CN219741800U - Waste heat recovery utilizes formula fodder bulking machine - Google Patents

Abstract

The utility model discloses a waste heat recycling type feed bulking machine, which comprises a double-screw feed bulking machine body and a waste heat recycling mechanism, wherein the waste heat recycling mechanism comprises a drying box for wrapping a jacket in a combined manner, and an air duct arranged at the top of a cutting device and used for collecting dissipation steam, the bottom of the cutting device is used for pouring the bulked feed into a stirring cylinder in the drying box through a feeding guide plate, the center of the bottom of the cylinder is provided with the stirring mechanism, a discharge opening is formed in the center of the bottom of the cylinder, a corresponding discharge mechanism is arranged at the discharge opening, a gas supplementing opening is formed in the top wall of the drying box, a first air exhausting fan is arranged in the gas supplementing opening, an air inlet duct is connected above the gas supplementing opening, the air inlet duct is connected with the air duct through a heat exchange device, a through hole is formed in the side wall of the drying box, and a third air exhausting fan is arranged in the side wall of the drying box. The device utilizes the heat of the outer surface of the steam jacket, the heat steam dissipated by the cutting device and the waste heat of the puffed feed to dry the puffed feed in the drying box, thereby saving energy and reducing production cost.

Description

Waste heat recovery utilizes formula fodder bulking machine

Technical Field

The utility model relates to the technical field of feed processing, in particular to a waste heat recycling type feed bulking machine.

Background

The puffed aquatic feed is a common feed processing technology at present, utilizes high-temperature extrusion of feed paste in the extrusion and puffing process to gelatinize starch and denature protein, destroy anti-nutritional factors and toxic substances in the feed, reduce the number of microorganisms, inactivate part of enzymes and improve the palatability of the feed at the same time, so that the puffed aquatic feed is widely applied and developed. At present, part of double-screw feed bulking machines exist in China, and the double-screw feed bulking machines have the characteristics of difficult blockage, high reliability, high curing degree, uniform bulking and the like, and can also produce floating feed or sinking feed by changing the control of the temperature and the pressure in a bulking cavity.

For example, "a twin-screw feed expander" (hereinafter referred to as D1) disclosed in chinese patent literature, publication number CN204444180US, grant publication date 2015, 7-8, and D1 controls the temperature and pressure in the expansion chamber by providing a steam jacket, a water vapor sharing jacket and a pressure reducing device at the expansion housing of the twin-screw feed expander, so that both floating feed and sinking feed can be produced. In the prior art, after the puffed feed is produced, part of water vapor still exists in the puffed feed, and the puffed feed needs to be dried, otherwise, the puffed feed is difficult to preserve for a long time, so that a dryer is generally used for drying the puffed feed independently. The inventor finds that a great amount of waste heat can be dissipated from the steam jacket in the process of using the product similar to D1, and a great amount of heat can be dissipated from the feed at the cutting device at the moment of puffing and cutting, if the dissipated waste heat is utilized to dry the puffed feed, the purposes of saving energy and reducing production cost can be achieved, and the prior art does not have related designs which can fully dissipate the waste heat.

In view of the above, a waste heat recycling type feed bulking machine is designed on the basis of D1, and the bulked feed can be dried by utilizing the dissipation waste heat of the steam jacket and the steam waste heat at the cutting device, so that energy sources are saved, and the production cost is reduced.

Disclosure of Invention

The utility model aims to provide a waste heat recycling type feed bulking machine, which utilizes a waste heat recycling mechanism to collect waste heat dissipated by a double-screw feed bulking machine in the production process so as to dry the bulked feed, so as to solve the problems described in the background art.

The technical scheme of the utility model is realized as follows:

the utility model provides a waste heat recovery utilizes formula fodder bulking machine, includes the twin-screw fodder bulking machine body, and the cover is equipped with the cover combination on the bulking machine shell of twin-screw fodder bulking machine, and the output of bulking machine shell is connected with cutting device, and fodder bulking machine still includes waste heat recovery mechanism, waste heat recovery mechanism includes the drying cabinet that wraps up the cover combination inside with locating cutting device top and is used for collecting the air duct of loss steam, feed inlet and discharge gate have been seted up to the drying cabinet lateral wall, the cutting device bottom still is connected to feed inlet department through the feeding baffle, still be equipped with the churn in the feed inlet below in the drying cabinet, barrel bottom center department is equipped with rabbling mechanism, and the bin bottom has been seted up the bin outlet, still has been slided and has been inserted from the discharge plate of discharge gate department male, and the bin outlet below is equipped with the inclined guide plate that is connected to the discharge gate, the air vent has been seted up in the drying cabinet roof, is equipped with first fan in the air vent, still connects the air inlet pipe between air duct and the air duct through heat transfer device, still set up the through-hole in the lateral wall of churn top, the through-hole has been equipped with in the third air vent.

When the device is used, the puffed feed discharged from the lower part of the cutting device enters the drying box through the feeding guide plate and falls into the stirring barrel, the stirring mechanism in the stirring barrel stirs the puffed feed, the hot steam filled in the jacket combination enables the whole jacket to generate heat, so that the temperature inside the drying box is improved, the hot steam discharged from the cutting device enters the air guide pipe and is conducted into the air inlet guide pipe through the heat exchange device, the first air suction fan in the air inlet is operated to enable the air inlet guide pipe to suck air, the air is heated when passing through the heat exchange device, then the air enters the drying box, and the heated air entering from the air supply port at the top drives the air in the drying box to circularly flow downwards, so that the heat of the outer surface of the jacket combination is further brought to the stirring barrel. The continuously stirred puffed feed is matched with hot air in the drying box through the waste heat of the continuously stirred puffed feed, so that the drying rate of the puffed feed is accelerated, and the volatilized water vapor is discharged through the third air exhaust fan. After the operation is carried out for a period of time, the discharge plate is pulled out, the puffed feed continuously surges to the discharge hole under the action of the stirring mechanism, falls onto the inclined guide plate below and is discharged from the discharge hole. The device utilizes the heat of the outer surface of the steam jacket, the heat steam dissipated by the cutting device and the waste heat of the puffed feed to dry the puffed feed in the drying box, thereby saving energy and reducing production cost.

The further technical scheme is, the air duct is including locating the perpendicular pipe of cutting device top and locating the horizontal pipe of air inlet duct up end, and the diapire of horizontal pipe is laminated with the roof of air inlet duct and is connected, erects the horizontal pipe of pipe intercommunication, heat transfer device includes a plurality of heat conduction blade, heat conduction blade wears to establish in the link wall of horizontal pipe and air inlet duct, and heat conduction blade's well upper portion is in horizontal pipe, and well lower part is in the air inlet duct, is equipped with the inside second air exhaust fan of intercommunication horizontal pipe on the outer wall of the end that vertical pipe was kept away from to horizontal pipe, and the air inlet of air inlet duct is seted up in the one end of keeping away from first air exhaust fan, heat conduction blade is between air inlet and first air exhaust fan.

The second air extraction fan operates to enable the inlet of the vertical duct to be in an air extraction state, hot steam dissipated by the cutting device is sucked by the vertical duct and then enters the transverse duct, passes through the heat conducting blades and heats the heat conducting blades, is then discharged from the second air extraction fan, and air sucked by the air inlet duct is heated after passing through the heat conducting blades and then enters the drying box through the first air extraction fan.

According to a further technical scheme, the air inlet of the air inlet guide pipe is arranged close to the vertical guide pipe.

The air at the vertical duct is higher than the air at other places due to the steam dissipation and heating, and the air inlet of the air inlet duct is arranged at the position close to the vertical duct, so that the temperature of the sucked air is higher, and the waste heat dissipated by the feed bulking machine is fully utilized.

Further technical scheme is, rabbling mechanism is including rotating the pivot of wearing to establish at the barrel head, and the pivot bottom drives and connects the motor of installing bottom in the drying cabinet, rotates the cover in the pivot and is equipped with annular slope, and the slope bottom is adorned admittedly on the barrel head, still is equipped with the connecting rod on the lateral wall of pivot, and the connecting rod end still is connected with the stirring board, and the bottom of stirring board is 1 ~ 2 millimeters with the distance of barrel head, and the bottom one end of stirring board extends to the slope edge, and the other end extends to the inside wall of churn, the bin outlet extends to slope edge.

Through setting up the slope and extending to the bin outlet of slope edge department, avoided the accumulation of popped fodder unable discharge in barrel bottom center department, extend to the slope edge through the bottom one end that sets up the stirring board, the other end extends to the inside wall of churn for the stirring board can fully stir popped fodder, avoids omitting, also can sweep popped fodder to bin outlet department when discharging simultaneously. The distance between the bottom of the stirring plate and the bottom of the cylinder is 1-2 mm, so that the puffed feed can be fully swept, and dry grinding of the stirring plate and the bottom of the cylinder can be avoided.

The vertical section of the discharge opening is in an inverted trapezoid shape, and the vertical section of the discharge plate is also in an inverted trapezoid shape matched with the discharge plate.

The inverted trapezoid vertical section can provide enough supporting force for the discharge plate and is convenient for discharging the puffed feed.

The utility model has the beneficial effects that:

1. through setting up drying cabinet and air duct, the drying cabinet wraps up the cover combination inside, utilizes the inside temperature of cover combination loss waste heat to improve the drying cabinet, and the exhaust hot steam in the cutting device gets into the air duct to in with heat transfer device heat conduction, in the air duct suction air and heating back entering drying cabinet, drive the downward circulation flow of air in the drying cabinet, take the heat of cover combination surface to churn department simultaneously. The puffed feed of continuous stirring passes through the waste heat of self, and the hot-blast in the drying cabinet of cooperation again has accelerated the drying rate of puffed feed, and the steam that volatilizees is discharged through the third fan that bleeds, and this device is through utilizing the heat of steam jacket surface, the waste heat of cutting device loss and puffed feed itself, carries out dry operation to the puffed feed in the drying cabinet to the energy has been practiced thrift, manufacturing cost has been reduced.

2. Through setting up the air inlet with the air intake pipe in being close to perpendicular pipe department, the air of perpendicular pipe department can be higher than the air in other places because of the escape steam heating reason, sets up the air inlet with the air intake pipe in being close to perpendicular pipe department for the inhaled air temperature is higher, the waste heat that the make full use of fodder bulking machine escaped.

Drawings

FIG. 1 is a schematic view in partial section of the present utility model;

FIG. 2 is a partial cross-sectional elevation view of the waste heat recovery mechanism;

FIG. 3 is a right side view of the waste heat recovery mechanism and cutting device;

FIG. 4 is a cross-sectional view taken along the direction A in FIG. 2;

FIG. 5 is a cross-sectional view taken along the direction B in FIG. 2;

fig. 6 is a cross-sectional view taken along the direction C in fig. 2.

In the figure, 1, a double-screw feed bulking machine body, 2, a bulking machine shell, 3, a waste heat recovery mechanism, 4, a cutting device, 5, a sealing ring, 6, a drying oven, 7, a steam charging pipe, 8, a steam jacket, 9, an air inlet guide pipe, 10, a first air suction fan, 11, a transverse guide pipe, 12, a second air suction fan, 13, a heat conducting blade, 14, a water vapor sharing jacket, 15, an air supplementing port, 16, a vertical guide pipe, 17, a stirring cylinder, 18, a discharge plate, 19, a discharge port, 20, a discharge guide plate, 21, an inclined guide plate, 22, a stirring plate, 23, a connecting rod, 24, a slope, 25, a motor, 26, a rotating shaft, 27, a third air suction fan, 28, a cylinder bottom, 29, a feed inlet, 30, a feed guide plate, 31, a steam discharge pipe, 32, a cutting motor, 33, a handle, 34 and a discharge port.

Detailed Description

For a better understanding of the technical content of the present utility model, specific examples are provided below and the present utility model is further described with reference to the accompanying drawings.

Referring to fig. 1 to 6, a waste heat recovery type fodder bulking machine comprises a double-screw fodder bulking machine body 1 and a waste heat recovery mechanism 3 as shown in D1, wherein a jacket combination is sleeved on a bulking machine shell 2 of the double-screw fodder bulking machine, and comprises a steam jacket 8 and a water vapor sharing jacket 14. The output end of the bulking machine shell 2 is connected with a cutting device 4, and the cutting device 4 is driven by a cutting motor 32.

Specifically, waste heat recovery mechanism 3 includes drying cabinet 6 of rectangle cube structure, and expansion shell 2 passes the lateral wall of drying cabinet 6, and the cover combination is wrapped up in the inside of drying cabinet 6, and the junction of drying cabinet 6 and expansion shell 2 still is equipped with sealing washer 5, prevents that the heat from overflowing, and the steam that is equipped with on the cover combination fills pipe 7 and steam discharge pipe 31 and wears out the outside extension of drying cabinet 6 lateral wall, and waste heat recovery mechanism 3 still includes the air duct that locates cutting device 4 top, and the air duct is used for collecting the steam that cutting device 4 loss comes out.

Specifically, feed inlet 29 has been seted up towards the lateral wall of cutting device 4 to drying cabinet 6, and discharge gate 19 has been seted up to the lateral wall that deviates from cutting device 4, and cutting device 4 bottom is equipped with feeding baffle 30, and cutting device 4 is connected to feed inlet 29 department through feeding baffle 30, still is equipped with churn 17 in drying cabinet 6 of feed inlet 29 below, and the barrel bottom 28 center department of churn 17 is equipped with rabbling mechanism.

Specifically, the stirring mechanism comprises a rotating shaft 26 which is rotatably arranged in a barrel bottom 28 in a penetrating manner, the bottom of the rotating shaft 26 is in driving connection with a motor 25 arranged at the inner bottom of the drying box 6, an annular slope 24 is sleeved on the rotating shaft 26 in a rotating manner, the bottom of the slope 24 is fixedly arranged on the upper end face of the barrel bottom 28, four connecting rods 23 which are mutually separated by 90 degrees are arranged on the side wall of the rotating shaft 26, the tail ends of the connecting rods 23 are connected with stirring plates 22, the vertical section of the stirring plates 22 is a non-right-angle parallelogram, the distance between the bottom of the stirring plates 22 and the upper end face of the barrel bottom 28 is 1-2 mm, one end of the bottom of the stirring plates 22 extends to the edge of the slope 24, and the other end of the stirring plates 22 extends to the inner side wall of the stirring barrel 17.

Specifically, the barrel bottom 28 is further provided with a discharge hole 34, one end of the discharge hole 34 extends to the edge of the barrel bottom 28, the other end extends to the edge of the slope 24, the vertical section of the discharge hole 34 is in an inverted trapezoid shape, the discharge plate 18 is inserted from the discharge hole 19, the vertical section of the discharge plate 18 is in an inverted trapezoid shape consistent with the vertical section of the discharge hole 34, and the discharge plate 18 is inserted into the discharge hole 34 in a sliding manner. The discharge plate 18 is also provided with a handle 33.

Specifically, below the discharge opening 34, an inclined guide plate 21 connected to the discharge opening 19 is provided. A discharge guide 20 is also provided outside the discharge opening 19.

Specifically, the side wall of the drying box 6 is further provided with a through hole, and a third air extraction fan 27 is arranged in the through hole.

Specifically, a gas-compensating port 15 is provided in the top wall of the left side of the drying box 6, a first air-extracting fan 10 is provided in the gas-compensating port 15, and a gas-intake conduit 9 with a rectangular section is further connected above the gas-compensating port 15.

Specifically, the air duct comprises a vertical duct 16 arranged above the cutting device 4 and a horizontal duct 11 arranged on the upper end face of the air inlet duct 9, the right end of the horizontal duct 11 is communicated with the left end of the top of the vertical duct 16, the cross section of the horizontal duct 11 is rectangular, the bottom wall of the horizontal duct 11 and the top wall of the air inlet duct 9 are in fit connection, namely, the wall is overlapped and shared, a plurality of heat conducting blades 13 are penetrated in the overlapped and shared wall, the middle upper part of the heat conducting blades 13 is positioned in the horizontal duct 11, the middle lower part of the heat conducting blades 13 are positioned in the air inlet duct 9, and the heat conducting blades 13 extend leftwards and rightwards. The transverse duct 11 is provided with a second air extraction fan 12 communicated with the inside of the transverse duct 11 on the top wall of the left tail end far away from the vertical duct 16, the air inlet of the air inlet duct 9 is arranged on the right side far away from the first air extraction fan 10 and is positioned close to the vertical duct 16, and the heat conduction blade 13 is positioned between the air inlet and the first air extraction fan 10.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (5)

1. The utility model provides a waste heat recovery utilizes formula fodder bulking machine, includes the twin-screw fodder bulking machine body, and the cover is equipped with the cover combination on the bulking casing of twin-screw fodder bulking machine, and the output of bulking casing is connected with cutting device, its characterized in that: the fodder bulking machine still includes waste heat recovery mechanism, waste heat recovery mechanism includes the drying cabinet that wraps up jacket combination inside to and locate the air duct that cutting device top was used for collecting the loss steam, feed inlet and discharge gate have been seted up to the drying cabinet lateral wall, the cutting device bottom still is connected to feed inlet department through feeding baffle, still be equipped with the churn that is in the feed inlet below in the drying cabinet, barrel bottom center department is equipped with rabbling mechanism, and the bin outlet has been seted up to the barrel bottom, still slides in the bin outlet and inserts and be equipped with the discharge gate male flitch from the discharge gate, and the bin outlet below is equipped with the oblique stock guide that is connected to the discharge gate, the air-compensating mouth has been seted up in the drying cabinet roof, is equipped with first air-extracting fan in the air-compensating mouth, still connects the air inlet pipe, is connected through heat transfer device between air inlet pipe and the air duct, still set up the through-extracting hole on the lateral wall of churn top, be equipped with the third air-extracting fan in the through-hole.

2. The waste heat recovery and utilization type feed bulking machine of claim 1, wherein: the air duct comprises a vertical duct arranged above the cutting device and a horizontal duct arranged on the upper end face of the air inlet duct, the bottom wall of the horizontal duct is connected with the top wall of the air inlet duct in a fitting mode, the vertical duct is communicated with the horizontal duct, the heat exchange device comprises a plurality of heat conducting blades, the heat conducting blades penetrate through the connecting wall of the horizontal duct and the air inlet duct, the middle upper portion of each heat conducting blade is positioned in the horizontal duct, the middle lower portion of each heat conducting blade is positioned in the air inlet duct, a second air exhaust fan communicated with the inner portion of the horizontal duct is arranged on the outer wall of the tail end of the horizontal duct, which is far away from the vertical duct, an air inlet of the air inlet duct is arranged at one end away from the first air exhaust fan, and each heat conducting blade is positioned between the air inlet and the first air exhaust fan.

3. The waste heat recovery and utilization type feed bulking machine of claim 2, wherein: the air inlet of the air inlet conduit is arranged near the vertical conduit.

4. A waste heat recovery and utilization type fodder bulking machine according to claim 3, wherein: the stirring mechanism comprises a rotating shaft which rotates to penetrate through the bottom of the barrel, a motor which is arranged at the bottom in the drying box is connected to the bottom of the rotating shaft in a driving mode, an annular slope is sleeved on the rotating shaft in a rotating mode, the bottom of the slope is fixedly arranged on the bottom of the barrel, a connecting rod is further arranged on the side wall of the rotating shaft, the tail end of the connecting rod is further connected with a stirring plate, the distance between the bottom of the stirring plate and the bottom of the barrel is 1-2 mm, one end of the bottom of the stirring plate extends to the edge of the slope, the other end of the bottom of the stirring plate extends to the inner side wall of the stirring barrel, and the discharge hole extends to the edge of the slope.

5. The waste heat recovery and utilization type feed bulking machine of claim 4, wherein: the vertical section of the discharge opening is in an inverted trapezoid shape, and the vertical section of the discharge plate is also in an inverted trapezoid shape matched with the discharge plate.