CN221781169U - A drying equipment with high efficiency heat recovery - Google Patents

Abstract

The utility model belongs to the technical field of drying equipment, and particularly discloses high-efficiency heat recovery drying equipment which comprises a heat preservation shell, a support frame and a conveying mechanism, wherein a material drying cavity, a first air cavity and a second air cavity are formed in the heat preservation shell, a plurality of groups of fresh air heat recovery modules are arranged at the top of the heat preservation shell and are communicated with the material drying cavity, the first air cavity and the second air cavity, and then air in the first air cavity and the second air cavity is sent to the material drying cavity through the fresh air heat recovery modules, so that materials in the drying equipment can be dried, the material drying cavity can be arranged in the two groups of air cavities, the material drying cavity can be isolated through the two groups of air cavities, the influence of external temperature on the material drying cavity is avoided, the stability of the material drying cavity during material drying is ensured, the quality of the dried material is ensured, and meanwhile, the dried heat is exchanged in the material drying cavity, and the fresh air heat recovery module is convenient for recovering the heat in the material drying cavity.

Description

Drying equipment of high-efficient heat recovery

Technical Field

The utility model relates to the technical field of drying equipment, in particular to high-efficiency heat recovery drying equipment.

Background

The dryer has several modes of belt type drying, roller drying, box type drying, tower type drying and the like; the heat source is coal, electricity, gas and the like; the material has hot air flow type, radiation type and the like in the drying process, the hot air roller is used for drying, wherein hot air flow moves forwards from the tail part and is fully contacted with the material, and the heat transfer quantity is fully utilized through heat conduction, convection and radiation; the heat energy is directly transferred to the material, so that the moisture of the material is continuously evaporated in the cylinder, and the induced draft device of the feeding port extracts a large amount of moisture and wet air flow to prevent secondary pollution caused by dust discharge; the material is pushed to move by internal spiral stirring, sweeping and shoveling, so that the whole drying process is completed; countercurrent conduction dehumidification is carried out, repeated drying courses are avoided, a plurality of layers of conveying mesh belts are arranged in a drying box body of Chinese patent CN209978570U, a feeding conveying belt is connected with a top layer conveying mesh belt in the drying box body, a hairbrush roller is arranged at the end part of each layer of conveying mesh belt, a high-pressure water spray pipe is arranged above the hairbrush roller, an air flow distributor is arranged below each layer of conveying mesh belt, one end of a shell of the air flow distributor is opened, a plurality of air outlet holes are formed in the top of the shell, a waste gas waste heat recovery mechanism is arranged in the drying box body, an outlet of a hot air machine of the waste gas waste heat recovery mechanism is communicated with a shell side inlet of a front gas-liquid heat exchanger in the waste heat recoverer, a tube side outlet of the front gas-liquid heat exchanger is connected with a tube side inlet of a rear gas-liquid heat exchanger, and a shell side outlet of the rear gas-liquid heat exchanger is connected with a hot blast stove.

When great change appears in external environment temperature, be provided with new trend heat recovery module in the above-mentioned structure, lead to above-mentioned structure can receive outside temperature's influence in carrying out the material stoving operation to this can lead to the inside temperature of drying-machine unable stable, with this can reduce the speed of material stoving, can lead to the inside heat loss of equipment simultaneously, can't effectively realize retrieving the operation to the inside heat energy of equipment, even make the assurance also can greatly increased the energy consumption at the appointed temperature of stoving demand.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model provides drying equipment with high-efficiency heat recovery.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a drying equipment of high-efficient heat recovery, includes heat preservation shell, support frame and conveying mechanism, heat preservation shell is inside to be offered and to dry by fire material cavity, first wind chamber and second wind chamber, heat preservation shell's top is provided with multiunit fresh air heat recovery module, fresh air heat recovery module is linked together with drying material cavity, first wind chamber and second wind chamber, the inner structure in first wind chamber and second wind chamber is unanimous, the center department of drying material cavity is provided with the support frame, the center department of support frame is equipped with conveying mechanism, one side that the support frame is close to conveying mechanism is provided with the baffle, drying material cavity is provided with the airtight board between first wind chamber and the second wind chamber, one side center department that the support frame is close to the airtight board is provided with the backup pad, the top surface of backup pad is provided with multiunit heater, the bottom of the both sides of support frame is provided with a plurality of first fans, the import department of first fan runs through the baffle and extends to interior drying material cavity.

According to the scheme, two adjacent groups of fresh air heat recovery modules are arranged in a cross mode, the air outlet ends of the fresh air heat recovery modules in each group extend into the drying cavity, and the air inlet ends of the fresh air heat recovery modules in each group extend into the first air cavity and the second air cavity respectively.

Specifically, new trend heat recovery module includes mounting box and heater strip, the mounting box sets up the top at the shell that keeps warm, the inside of mounting box is provided with the heater strip, the both sides of mounting box are provided with first wind gap and second wind gap respectively, the air inlet end of second wind gap is provided with the fan, the air-out end of second wind gap is provided with first tuber pipe, the air-out end of first wind gap is provided with the second tuber pipe.

More specifically, the first air pipe penetrates the heat-insulating shell downwards and extends into the first air cavity, and the second air pipe penetrates the heat-insulating shell downwards and extends into the material drying cavity.

Further describing the scheme, the opening is formed in the center of the supporting plate, the heater is arranged at the opening in the center of the supporting plate, and the cooling fins of the heater face the opening.

Further description of this scheme, feed inlet and discharge gate have been seted up respectively to heat preservation shell's both sides, conveying mechanism's entrance point is towards the feed inlet to extend outward and run through heat preservation shell, conveying mechanism's discharge end is towards the discharge gate, and extend outward and run through heat preservation shell.

The scheme is further described, conveying mechanism includes multiunit first conveyer belt and multiunit second conveyer belt, first conveyer belt and second conveyer belt are from last crisscross distribution down, the transportation opposite direction of first conveyer belt and second conveyer belt, be provided with the striker plate between the feed end of the discharge end of first conveyer belt and second conveyer belt.

Specifically, baffle both ends joint is at the medial surface of support frame, the top surface both ends of support frame are provided with driving motor.

More specifically, the structure of first conveyer belt and multiunit second conveyer belt is unanimous, the both ends of first conveyer belt and second conveyer belt all are provided with the transfer line, the transfer line outwards extends to run through the baffle, the transfer line has cup jointed the rotation wheel, the belt has been cup jointed to the rotation wheel outside, the belt is connected with driving motor's output.

The beneficial effects of the utility model are as follows: the heat-preserving shell is internally provided with the conveying cavity, the first air cavity and the second air cavity, the conveying mechanism is placed in the material drying cavity, the material to be dried is placed in the conveying mechanism, and air in the first air cavity and the second air cavity is sent to the material drying cavity through the fresh air heat recovery module, so that the material in the conveying mechanism can be dried, the material drying cavity can be arranged in the two groups of air cavities, the material drying cavity can be isolated through the two groups of air cavities, the influence of external temperature on the material drying cavity can be avoided, the stability of the material drying cavity during material drying is ensured, the quality of the dried material is ensured, meanwhile, the dried heat can be circulated in the material drying cavity, and the fresh air heat recovery module can exchange and recover the heat in the material drying cavity.

Drawings

Fig. 1 is a schematic view showing the overall structure of a drying apparatus according to the present utility model;

FIG. 2 is a schematic view of the bottom of the overall structure of the drying apparatus of the present utility model;

fig. 3 is a schematic view showing an internal structure of the drying apparatus of the present utility model;

FIG. 4 is a schematic view showing the combined structure of the supporting frame, the conveying mechanism, the baffle, the sealing plate and the supporting plate;

FIG. 5 is a schematic view of a combined structure of a support frame and a conveying mechanism according to the present utility model;

FIG. 6 is an enlarged view of the structure at A of FIG. 5;

FIG. 7 is a schematic view of a heat-insulating housing according to the present utility model;

FIG. 8 is a schematic diagram of a heat-insulating housing according to a second embodiment of the present utility model;

FIG. 9 is a schematic diagram of a fresh air heat recovery module according to the present utility model;

fig. 10 is an exploded view of the structure of the fresh air heat recovery module of the present utility model.

The figure shows: the heat preservation shell 1, the material cavity 11, the first air cavity 12, the second air cavity 13, the feed inlet 14, the discharge outlet 15, the support frame 2, the conveying mechanism 3, the first conveying belt 31, the second conveying belt 32, the transmission rod 33, the rotating wheel 34, the baffle plate 35, the fresh air heat recovery module 4, the mounting box 41, the first air port 411, the second air port 412, the fan 413, the exchange core 42, the first air pipe 43, the second air pipe 44, the baffle plate 5, the sealing plate 6, the support plate 7, the opening 71, the heater 8, the fan 9 and the driving motor 10.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, the drying equipment for efficient heat recovery provided by the utility model comprises a heat insulation shell 1, a support frame 2 and a conveying mechanism 3, wherein a material drying cavity 11, a first air cavity 12 and a second air cavity 13 are formed in the heat insulation shell 1, a plurality of groups of fresh air heat recovery modules 4 are arranged at the top of the heat insulation shell 1, the fresh air heat recovery modules 4 are communicated with the material drying cavity 11, the first air cavity 12 and the second air cavity 13, two adjacent groups of fresh air heat recovery modules 4 are arranged in a cross manner, the air outlet end of each group of fresh air heat recovery modules 4 extends into the material drying cavity 11, the air inlet ends of the two adjacent fresh air heat recovery modules 4 extend into the first air cavity 12 and the second air cavity 13 respectively, the inner structures of the first air cavity 12 and the second air cavity 13 are consistent, the support frame 2 is arranged at the center of the material drying cavity 11, and the conveying mechanism 3 is arranged at the center of the support frame 2;

The equipment is arranged in a designated position, then a material to be dried is placed in the conveying mechanism 3, the air in the first air cavity 12 and the second air cavity 13 is subsequently sent to the material drying cavity 11 through the fresh air heat recovery module 4, so that the material in the conveying mechanism 3 can be dried, the material drying cavity 11 can be arranged in two groups of air cavities, the material drying cavity 11 can be isolated through the two groups of air cavities, the influence of external temperature on the material drying cavity 11 can be avoided, the stability of the material drying cavity 11 during material drying can be guaranteed, the quality of the dried material can be guaranteed, the dried heat can be circulated in the material drying cavity, and the fresh air heat recovery module can exchange and recover the heat in the material drying cavity conveniently.

The next side that is close to conveying mechanism 3 at support frame 2 is provided with baffle 5, can prevent through being provided with baffle 5 that the condition that leaks appears in the inside cavity of stoving material cavity 11, then be provided with airtight plate 6 between stoving material cavity 11 and first wind cavity 12 and the second wind cavity 13, one side center department that support frame 2 is close to airtight plate 6 is provided with backup pad 7, the top surface of backup pad 7 is provided with multiunit heater 8, the bottom of the both sides of support frame 2 is provided with a plurality of forced draught blower 9, the import department of forced draught blower 9 runs through baffle 5 and extends to interior stoving material cavity 11, can pass through start-up forced draught blower 9, afterwards, the gas after the exchange of fresh air heat recovery module 4 carries out the heater operation to the air that inhales first wind cavity 12 and second wind cavity 13 through heater 8, afterwards inhale the material cavity 11 with first wind cavity 12 and second wind cavity 13 in, afterwards, the hot air in the stoving material cavity 11 is through second conveyer belt 32 and first conveyer belt 31 from the high humidity gas that supreme was passed down returns to heat recovery module 4 and exchanges, thereby realize the heat recovery efficiency to the realization is directly used to the fresh air, the energy consumption of drying equipment is further realized to the heat energy recovery to the outside of this circulation, the realization is reduced, the energy consumption of drying device is further realized.

As shown in fig. 1, 2, 3, 4, 5, 6, 9 and 10, the fresh air heat recovery module 4 comprises a mounting box 41 and an exchange core 42, the mounting box 41 is arranged at the top of the heat insulation shell 1, the exchange core 42 is arranged in the mounting box 41, a first air port 411 and a second air port 412 are respectively arranged at two sides of the mounting box 41, a fan 413 is arranged at the air inlet end of the second air port 412, a first air pipe 43 is arranged at the air outlet end of the second air port 412, a second air pipe 44 is arranged at the air outlet end of the first air port 411, the first air pipe 43 penetrates through the heat insulation shell 1 downwards and extends to the upper part of the heater 8, and the second air pipe 44 penetrates through the heat insulation shell 1 downwards and extends to the upper part of the first conveying belt 31;

Air above the first conveying belt 31 can be sucked into the installation box 41 through the first air pipe 43 by starting the fan 413, the temperature is increased by carrying out exchange heating operation through the exchange core 42, and finally the air is discharged above the heater 8 through the second air pipe 44, so that the air with higher temperature is blown into the material drying cavity 11 through the blower 9 to carry out material drying operation.

As shown in fig. 1, 2, 3, 4, 5 and 6, an opening 71 is formed in the center of the supporting plate 7, the heater 8 is arranged at the opening 71 in the center of the supporting plate 7, and the air inlet of the heater 8 faces the opening 71, so that the high-temperature air from the heater 9 to the heater 8 to the first air cavity 12 and the second air cavity 13 can be conveniently heated by the opening 71, and heat can be transferred.

As shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, the two sides of the subsequent heat insulation housing 1 are respectively provided with a feed inlet 14 and a discharge outlet 15, the inlet end of the conveying mechanism 3 faces the feed inlet 14 and extends outwards to penetrate the heat insulation housing 1, the discharge end of the conveying mechanism 3 faces the discharge outlet 15 and extends outwards to penetrate the heat insulation housing 1, and therefore feeding and discharging operations of the conveying mechanism 3 can be conveniently performed.

As shown in fig. 1,2, 3, 4, 5, 6, 7, 8, 9 and 10, the conveying mechanism 3 includes a plurality of groups of first conveying belts 31 and a plurality of groups of second conveying belts 32, the first conveying belts 31 and the second conveying belts 32 are staggered from top to bottom, the conveying directions of the first conveying belts 31 and the second conveying belts 32 are opposite, a baffle plate 35 is arranged between the discharging end of the first conveying belts 31 and the feeding end of the second conveying belts 32, two ends of the baffle plate 5 are clamped on the inner side surface of the supporting frame 2, two ends of the top surface of the supporting frame 2 are provided with driving motors 10, the structures of the first conveying belts 31 and the plurality of groups of second conveying belts 32 are consistent, the two ends of the first conveying belts 31 and the two ends of the second conveying belts 32 are provided with transmission rods 33, the transmission rods 33 extend outwards and penetrate through the baffle plate 5, the transmission rods 33 are sleeved with rotating wheels 34, the outer portions of the rotating wheels 34 are sleeved with belts (not labeled in the drawing), and the belts (not labeled in the drawing) are connected with the output ends of the driving motors 10.

When the conveying mechanism 3 is transported: the driving motor 10 is started firstly, the driving motor 10 is used for driving a chain (not shown in the drawing) to work, the chain (not shown in the drawing) is used for driving the rotating wheel 34 to rotate, so that the transmission rod 33 can be driven to rotate, the first conveying belt 31 and the second conveying belt 32 can be operated, the material to be dried can be placed in the first conveying belt 31 firstly, the material drying operation can be realized after the material moves to the material drying cavity 11, when the material to be dried runs out of the first conveying belt 31, the material to be dried can be blocked at the discharge end of the first conveying belt 31 through the baffle plate 35, the material to be dried can be fed into the feed end of the second conveying belt 32 through the staggered distribution of the first conveying belt 31 and the second conveying belt 32 from top to bottom, the operation can be continuously repeated subsequently, the material drying travel can be realized through the matching of a plurality of groups of first conveying belts 31 and the second conveying belt 32, the material to be dried can be further dried, the material drying quality can not be realized when the material to be dried enters the second conveying belt 31 from the first conveying belt 31 to the second conveying belt 32, and the material to be dried can be dried in the same direction, and the drying quality can be further guaranteed.

The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.

Claims (9)

1. The utility model provides a drying equipment of high-efficient heat recovery, includes heat preservation shell (1), support frame (2) and conveying mechanism (3), its characterized in that: the novel air dryer is characterized in that a material drying cavity (11), a first air cavity (12) and a second air cavity (13) are formed in the heat insulation shell (1), a plurality of groups of fresh air heat recovery modules (4) are arranged at the top of the heat insulation shell (1), the fresh air heat recovery modules (4) are communicated with the material drying cavity (11), the first air cavity (12) and the second air cavity (13), the inner structures of the first air cavity (12) and the second air cavity (13) are identical, a supporting frame (2) is arranged at the center of the material drying cavity (11), a conveying mechanism (3) is arranged at the center of the supporting frame (2), a baffle (5) is arranged on one side, close to the conveying mechanism (3), of the supporting frame (2), a sealing plate (6) is arranged between the material drying cavity (11) and the first air cavity (12) and the second air cavity (13), a supporting plate (7) is arranged at the center of one side, close to the sealing plate (6), a plurality of heaters (8) are arranged on the top surface of the supporting plate (7), a plurality of groups of fans (9) are arranged at the bottom of the supporting frame (2), and a plurality of fans (9) extend into the first fans (9).

2. The efficient heat recovery drying apparatus of claim 1, wherein: two adjacent groups of fresh air heat recovery modules (4) are arranged in a cross mode, the air outlet ends of each group of fresh air heat recovery modules (4) extend into the drying cavity (11), and the air inlet ends of the two adjacent fresh air heat recovery modules (4) extend into the first air cavity (12) and the second air cavity (13) respectively.

3. The efficient heat recovery drying apparatus of claim 2, wherein: fresh air heat recovery module (4) is including mounting box (41) and exchange core (42), mounting box (41) set up at the top of heat preservation shell (1), the inside of mounting box (41) is provided with exchange core (42), the both sides of mounting box (41) are provided with first wind gap (411) and second wind gap (412) respectively, the air inlet end of second wind gap (412) is provided with fan (413), the air outlet end of second wind gap (412) is provided with first tuber pipe (43), the air outlet end of first wind gap (411) is provided with second tuber pipe (44).

4. A high efficiency heat recovery drying apparatus according to claim 3, wherein: the first air pipe (43) penetrates through the heat-insulating shell (1) downwards and extends into the first air cavity (12), and the second air pipe (44) penetrates through the heat-insulating shell (1) downwards and extends into the material drying cavity (11).

5. The efficient heat recovery drying apparatus of claim 1, wherein: an opening (71) is formed in the center of the supporting plate (7), the heater (8) is arranged at the opening (71) in the supporting plate (7), and cooling fins of the heater (8) face the opening (71).

6. The efficient heat recovery drying apparatus of claim 1, wherein: the two sides of the heat preservation shell (1) are respectively provided with a feed inlet (14) and a discharge outlet (15), the inlet end of the conveying mechanism (3) faces the feed inlet (14) and extends outwards to penetrate through the heat preservation shell (1), and the discharge end of the conveying mechanism (3) faces the discharge outlet (15) and extends outwards to penetrate through the heat preservation shell (1).

7. The efficient heat recovery drying apparatus of claim 6, wherein: conveying mechanism (3) are including multiunit first conveyer belt (31) and multiunit second conveyer belt (32), first conveyer belt (31) and second conveyer belt (32) are from last crisscross distribution down, the transportation direction of first conveyer belt (31) and second conveyer belt (32) is opposite, be provided with striker plate (35) between the feed end of the discharge end of first conveyer belt (31) and second conveyer belt (32).

8. The efficient heat recovery drying apparatus of claim 7, wherein: the two ends of the baffle (5) are clamped on the inner side face of the support frame (2), and driving motors (10) are arranged at the two ends of the top face of the support frame (2).

9. The efficient heat recovery drying apparatus of claim 7, wherein: the structure of first conveyer belt (31) and multiunit second conveyer belt (32) is unanimous, both ends of first conveyer belt (31) and second conveyer belt (32) all are provided with transfer line (33), transfer line (33) outwards extend to run through baffle (5), transfer line (33) have cup jointed rotation wheel (34), rotation wheel (34) outside has cup jointed the belt, the belt is connected with the output of driving motor (10).