Energy-saving drying equipment

Abstract

The utility model belongs to the field of drying equipment, particularly relates to energy-saving drying equipment, and provides the following scheme aiming at the problems of excessive heat loss and energy waste caused by the fact that most of the existing drying equipment needs to be opened and then is fed in the feeding and discharging processes when the existing drying equipment is used, the energy-saving drying equipment comprises an outer cylinder, an inner barrel is fixedly installed inside the outer barrel, a heating wire is fixedly installed on the outer wall of the inner barrel, a through feeding pipe is fixedly connected to one side of the outer barrel, and one end of the feeding pipe is communicated with the inner barrel. And meanwhile, a partition plate and a communicating pipe are mounted in the temporary storage box, so that when hot and humid air is extracted, the temporarily stored raw materials can be heated, the heat loss is reduced, and the energy-saving effect of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to drying equipment technical field especially relates to a kind of energy-saving drying equipment. BACKGROUND

[0002] In papermaking pulping process, lignin remains in waste liquid, after chemical treatment, sodium lignosulfonate can be extracted from these waste liquids, and sodium lignosulfonate can also be widely used as an additive in construction, agriculture and light industry, etc., in the process of extracting sodium lignosulfonate, the precipitated sodium lignosulfonate needs to be dried by drying equipment before entering the next process.

[0003] The existing drying equipment in use, in the process of feeding and discharging, most need to open the equipment, then feeding, thereby causing excessive heat loss, waste energy, therefore, an energy-saving drying equipment is proposed. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of energy-saving drying equipment to solve the shortcomings that the drying equipment in prior art exists in use, in the process of feeding and discharging, most need to open the equipment, then feeding, thereby causing excessive heat loss, waste energy.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] An energy-saving drying equipment, including outer tube, the inside fixed mounting of outer tube has inner tube, the outer wall of inner tube is fixedly installed with heating wire, the side of outer tube is fixedly connected with the through feeding pipe, the feeding pipe one end and inner tube intercommunication, the top of feeding pipe is fixedly connected with the intercommunication temporary storage box, the one end of feeding pipe is fixedly connected with second motor, the output shaft of second motor one end is fixedly connected with feeding screw, and feeding screw is located in feeding pipe;

[0007] The bottom of the inner tube is fixedly connected with the through discharge pipe, and the discharge pipe penetrates the outer tube, a plurality of through material ports are arranged on the circumference of the discharge pipe, and the material ports are located in the inner tube, and a plug-in plate is inserted into one side of the discharge pipe.

[0008] Heat exchange mechanism, the heat exchange mechanism is arranged between outer tube and temporary storage box and is used for heating raw materials in temporary storage box.

[0009] Stirring assembly, the stirring assembly is arranged in inner tube and is used for stirring raw materials.

[0010] As a further scheme of the utility model, the heat exchange mechanism includes two partitions, an air extraction pipe, an air outlet pipe and a suction pump, the two partitions are fixed in the temporary storage box, the air extraction pipe and the air outlet pipe are fixed on the two sides of the temporary storage box respectively, the air extraction pipe and the air outlet pipe are communicated with the cavities on the sides of the two partitions respectively, a communication pipe is fixed and communicated between the two partitions, the suction pump is fixed on the top of the outer cylinder, and the air extraction end of the suction pump is fixed with the air outlet pipe.

[0011] As a further scheme of the utility model, the outer walls on the two sides of the communication pipe are fixedly installed with heat exchange fins.

[0012] As a further scheme of the utility model, the top of the temporary storage box is provided with a top cover, and a pull rod is fixed to the top of the top cover.

[0013] As a further scheme of the utility model, the stirring assembly includes a driving shaft and a first motor, the driving shaft is rotatably penetrated through the top of the outer cylinder, a helical stirring blade is fixedly connected to the circumference of the driving shaft, the stirring blade is located in the discharge pipe, the first motor is fixed to the top of the outer cylinder, and one end of the output shaft of the first motor is fixed with the driving shaft.

[0014] As a further scheme of the utility model, two mounting rods are fixedly connected to the circumference of the driving shaft, one end of each of the two mounting rods is fixedly connected with a stirring rod, and the stirring rod is in contact with the inner wall of the inner cylinder.

[0015] As a further scheme of the utility model, a plurality of supporting feet are fixedly installed at the bottom of the outer cylinder.

[0016] In the application, when in use, the first batch of raw materials is put into the temporary storage box, then the second motor is started, the second motor drives the feeding screw to rotate, the feeding screw sends the raw materials into the inner cylinder, when drying, the heating wire, the first motor and the suction pump are started, and the second batch of raw materials is put into the temporary storage box at the same time, the heating wire heats the raw materials in the inner cylinder, the first motor drives the driving shaft to rotate at the same time, the driving shaft drives the stirring rod and the stirring blade to rotate, the stirring rod is used for stirring the raw materials, the drying speed is increased, the stirring blade is driven to rotate in a forward direction at the same time, the raw materials are sent upwards through the stirring blade, the stirring effect of the raw materials is further improved, the drying speed is increased, the suction pump extracts the humid hot air evaporated from the raw materials in the outer cylinder after being started, the raw materials are preheated when passing through the partition and the communication pipe, the waste of heat is reduced, the use is more energy-saving, after drying is completed, the pull rod is opened, then the first motor drives the stirring blade to rotate in a reverse direction, and then the dried raw materials are discharged, the outer cylinder is avoided from being opened, the heat loss is reduced, the use is more energy-saving, and then the preheated raw materials are put into the equipment again, and the cycle is continued.

[0017] Beneficial effects: in the utility model, the energy -saving drying equipment, through the setting from the side feed, bottom discharge, make in the process of feeding and discharging, need not open the outer tube, further reduce the heat loss, use more energy -saving;

[0018] In the utility model, the energy -saving drying equipment, through the setting of the temporary storage box, the baffle and the communicating pipe are installed in the temporary storage box, so that the temporarily stored raw materials can be heated when the wet hot air is extracted, the heat loss is reduced, and the energy saving effect of the equipment is improved.

[0019] In the utility model, the raw materials are fed from the side and discharged from the bottom, so that the outer tube does not need to be opened during feeding and discharging, thereby reducing heat loss and using more energy -saving. At the same time, the baffle and the communicating pipe are installed in the temporary storage box, so that the temporarily stored raw materials can be heated when the wet hot air is extracted, the heat loss is reduced, and the energy saving effect of the equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 A three-dimensional structure schematic view of the energy -saving drying equipment is provided for the utility model.

[0021] Fig. 2 A cross-sectional structure schematic view of the outer cylinder and the inner cylinder of the energy -saving drying equipment is provided for the utility model.

[0022] Fig. 3 A cross-sectional structure schematic view of the temporary storage box of the energy -saving drying equipment is provided for the utility model.

[0023] In the drawing: 1, outer cylinder; 2, temporary storage box; 3, air suction pump; 4, feeding pipe; 5, top cover; 6, supporting foot; 7, first motor; 8, driving shaft; 9, mounting rod; 10, stirring rod; 11, inner cylinder; 12, heating wire; 13, discharge pipe; 14, plugboard; 15, stirring blade; 16, material opening; 17, baffle; 18, air suction pipe; 19, air outlet pipe; 20, communicating pipe; 21, heat exchange fin; 22, feeding screw; 23, second motor. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Embodiment 1, refer to Figs. 1-3The utility model relates to a drying equipment, including: the outer tube 1, the inside fixed mounting of outer tube 1 has the inner tube 11, the outer wall fixed mounting of inner tube 11 has heating wire 12, the one side fixed connection of outer tube 1 has the through feeding pipe 4, and the one end of feeding pipe 4 communicates with inner tube 11, and the top fixed connection of feeding pipe 4 has the communication of temporary storage tank 2, and temporary storage tank 2 is used to place the next batch of raw materials that need to be dried, and one end of feeding pipe 4 is fixedly connected with second motor 23, and one end of second motor 23 output shaft is fixedly connected with feeding screw 22, and feeding screw 22 is located in feeding pipe 4, and starting second motor 23, and second motor 23 drives feeding screw 22 to rotate, and feeding screw 22 sends raw materials into inner tube 11, avoids opening equipment when feeding, reduces the loss of heat,

[0026] The bottom of the inner tube 11 is fixedly connected with a through discharge pipe 13, the discharge pipe 13 penetrates the outer tube 1, a plurality of through material ports 16 are formed in the circumference of the discharge pipe 13, the material ports 16 are located in the inner tube 11, and the arrangement of the material ports 16 can enable the raw materials to enter the discharge pipe 13, and a plug plate 14 is inserted on one side of the discharge pipe 13, and opening the plug plate 14 can facilitate discharging.

[0027] The heat exchange mechanism is arranged between the outer tube 1 and the temporary storage tank 2 and is used for heating the raw materials in the temporary storage tank 2.

[0028] The stirring assembly is arranged in the inner tube 11 and is used for stirring the raw materials.

[0029] In embodiment 2, on the basis of embodiment 1, an energy-saving drying equipment is improved. Figs. 1-3 In embodiment 2, on the basis of embodiment 1, an energy-saving drying equipment is improved.

[0030] In the utility model, the heat exchange mechanism includes two baffle plates 17, an air extraction pipe 18, an air outlet pipe 19 and a suction pump 3, the two baffle plates 17 are fixed in the temporary storage tank 2, the air extraction pipe 18 and the air outlet pipe 19 are fixed on the two sides of the temporary storage tank 2, the air extraction pipe 18 and the air outlet pipe 19 are communicated with the cavities on the sides of the two baffle plates 17, a drain pipe is arranged on one side of the cavity on the side of each baffle plate 17, a control valve is arranged at one end of the drain pipe, the condensed water can be discharged through the drain pipe, a communication pipe 20 is fixedly and communicatively arranged between the two baffle plates 17, the suction pump 3 is fixed on the top of the outer tube 1, the air extraction end of the suction pump 3 is fixed with the air outlet pipe 19, after the suction pump 3 is started, the humid hot air evaporated by the raw materials in the outer tube 1 is extracted, when the humid hot air passes through the baffle plate 17 and the communication pipe 20, the raw materials are preheated, the waste of heat is reduced, and the utility is more energy-saving.

[0031] Especially, heat exchange fins 21 are fixedly arranged on the outer walls of the two sides of the communication pipe 20, and the heat exchange fins 21 increase the heat exchange effect on the raw materials in the temporary storage tank 2.

[0032] It should be noted that the top of the temporary storage box 2 is provided with a top cover 5, and the top of the top cover 5 is fixed with a pull rod.

[0033] In the utility model, the stirring assembly comprises a driving shaft 8 and a first motor 7, the driving shaft 8 is rotatably penetrated through the top of the outer cylinder 1, the driving shaft 8 is fixedly connected with helical stirring blades 15 in the circumference, the stirring blades 15 are located in the discharge pipe 13, the first motor 7 is fixed on the top of the outer cylinder 1, one end of the output shaft of the first motor 7 is fixed with the driving shaft 8, the stirring blades 15 are driven to rotate through the first motor 7, the stirring effect of the raw materials can be increased, and the drying efficiency is improved, and when the stirring blades 15 are reversed, the discharge can be realized.

[0034] Especially, the driving shaft 8 is fixedly connected with two mounting rods 9 in the circumference, one end of the two mounting rods 9 is fixedly connected with a stirring rod 10, the stirring rod 10 is in contact with the inner wall of the inner cylinder 11, the stirring rod 10 is used for stirring the raw materials, the drying speed is increased, and a plurality of supporting legs 6 are fixedly installed at the bottom of the outer cylinder 1.

[0035] However, as known to those skilled in the art, the working principles and wiring methods of the suction pump 3, the first motor 7, the second motor 23 and the heating wire 12 are common, and they all belong to conventional means or common knowledge, and will not be repeated here, and those skilled in the art can make any selection or arrangement according to the needs or convenience.

[0036] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, and any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. An energy-saving drying apparatus comprising an outer cylinder (1), characterized in that, The inside of the outer cylinder (1) is fixedly installed with an inner cylinder (11), the outer wall of the inner cylinder (11) is fixedly installed with heating wires (12), one side of the outer cylinder (1) is fixedly connected with a through feeding pipe (4), one end of the feeding pipe (4) is communicated with the inner cylinder (11), the top of the feeding pipe (4) is fixedly connected with a communicated temporary storage box (2), one end of the feeding pipe (4) is fixedly connected with a second motor (23), one end of the output shaft of the second motor (23) is fixedly connected with a feeding screw rod (22), and the feeding screw rod (22) is located in the feeding pipe (4); The bottom of the inner cylinder (11) is fixedly connected with a through discharging pipe (13), the discharging pipe (13) penetrates through the outer cylinder (1), a plurality of through material ports (16) are arranged on the circumference of the discharging pipe (13), the material ports (16) are located in the inner cylinder (11), and the one side of the discharging pipe (13) is inserted with a plug-in plate (14). A heat exchange mechanism is arranged between the outer cylinder (1) and the temporary storage box (2) and used for heating the raw materials in the temporary storage box (2). A stirring assembly is arranged in the inner cylinder (11) and used for stirring the raw materials.

2. The energy saving drying apparatus as claimed in claim 1, wherein The heat exchange mechanism comprises two baffle plates (17), an air suction pipe (18), an air outlet pipe (19) and an air suction pump (3), the two baffle plates (17) are fixed in the temporary storage box (2), the air suction pipe (18) and the air outlet pipe (19) are fixed on the two sides of the temporary storage box (2), the air suction pipe (18) and the air outlet pipe (19) are respectively communicated with the cavities on the sides of the two baffle plates (17), a communication pipe (20) is fixedly communicated between the two baffle plates (17), and the air suction pump (3) is fixed on the top of the outer cylinder (1).

3. The energy saving drying apparatus as claimed in claim 2, wherein The outer walls on the two sides of the communication pipe (20) are fixedly installed with heat exchange fins (21).

4. The energy saving drying apparatus as claimed in claim 2, wherein The top of the temporary storage box (2) is provided with a top cover (5).

5. The energy saving drying apparatus as claimed in claim 4, wherein The top of the top cover (5) is fixedly connected with a pull rod.

6. The energy saving drying apparatus as claimed in claim 1, wherein The stirring assembly comprises a driving shaft (8) and a first motor (7), the driving shaft (8) is rotatably penetrated through the top of the outer cylinder (1), the circumference of the driving shaft (8) is fixedly connected with helical stirring blades (15), the stirring blades (15) are located in the discharging pipe (13), the first motor (7) is fixed on the top of the outer cylinder (1), and one end of the output shaft of the first motor (7) is fixedly connected with the driving shaft (8).

7. The energy saving drying apparatus as claimed in claim 6, wherein The circumference of the driving shaft (8) is fixedly connected with two mounting rods (9), one end of each of the two mounting rods (9) is fixedly connected with a stirring rod (10), and the stirring rod (10) is in contact with the inner wall of the inner cylinder (11).

8. The energy efficient drying apparatus as claimed in claim 1, wherein, The bottom of the outer cylinder (1) is fixedly installed with a plurality of supporting feet (6).

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