Tube bundle drying machine

Abstract

The utility model discloses a tube bundle drying machine which comprises a rack, a feeding tank, an auger shaft roller, an auger driving mechanism, a drying tank, a heating tube bundle, a drying tank scraping plate and a tube bundle driving mechanism. A feeding port is formed in the top of one end of the feeding tank, and a feeding port is formed in the lower part of the other end of the feeding tank; a feeding hole and a discharging hole are formed in the drying tank; the feeding port is in sealed connection with the feeding port; the auger shaft is in shaft connection in the feeding tank; an auger rotary blade and a feeding rotary blade are arranged on a rod body of the auger shaft roller, and the auger driving mechanism drives the auger shaft roller to rotate in the feeding tank; the drying tank scraper is fixed on the edge of the heating tube bundle. Wet starch falling into the drying tank from the feeding tank can be slowed down through the twisting rotary blades and the feeding rotary blades which are gradually thinned in the discharging direction, the pipe bundle driving mechanism drives the heating pipe bundle and the drying tank scraping plate to synchronously rotate to fully dry the starch, and the problem that the wet starch enters the drying tank too much and too fast, and consequently the starch is dried insufficiently is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of starch drying equipment, and in particular relates to a tube bundle dryer. Background Art

[0002] Corn starch is also known as maize starch. In the corn starch drying production process, tube bundle dryers are often used to dry wet corn starch. However, in the process of drying starch with traditional tube bundle dryers, if the feed is too fast and too much, there will be problems such as insufficient drying and agglomeration. Summary of the invention

[0003] The present invention aims to solve the above problems and provides a tube bundle dryer.

[0004] A tube bundle dryer, comprising: a frame 1, a feed tank 2, an auger shaft roller 3, an auger driving mechanism 4, a drying tank 5, a heating tube bundle 6, a drying tank scraper 7, and a tube bundle driving mechanism 8; a feeding port 21 is provided at the top of one end of the feed tank 2, and a feeding port 22 is provided at the lower part of the other end of the feed tank 2; a feed port 511 and a discharge port 512 are provided on the drying tank 5; the feed port 22 is sealedly connected to the feed port 511; the auger shaft roller 3 is axially connected to the feed tank 2; The shaft of the auger roller 3 is provided with an auger blade 33 and a feed blade 34, and the auger blade 33 gradually becomes sparse along the discharge direction; a plurality of feed blades 34 are provided on the auger roller 3 above the feed port 22; a plurality of feed blades 34 are arranged in a circular array on the shaft of the auger roller 3; the auger drive mechanism 4 drives the auger roller 3 to rotate in the feed tank 2; the drying tank scraper 7 is fixed on the edge of the heating tube bundle 6; the tube bundle drive mechanism 8 drives the heating tube bundle 6 to rotate in the drying tank 5.

[0005] The auger blade 33 is arranged between the feed blade 34 , and a plurality of feed blades 34 are arranged in a circular array on the shaft of the auger shaft roller 3 .

[0006] The auger drive mechanism 4 includes: an auger drive wheel 41, a first transmission belt 42, and an auger shaft drive motor 43; the auger drive wheel 41 is fixed to one end of the auger shaft roller 3, and the main drive wheel provided on the power output shaft of the auger shaft drive motor 43 is connected to the auger drive wheel 41 through the first transmission belt 42.

[0007] The drying tank 5 includes a tank body 51, a cover 52, and a tank body bracket 53; the feed port 511 is arranged at the upper end of the tank body 51, and the discharge port 512 and the drain port 513 are arranged at the lower end of the drying tank 5; the tank body 51 is flange-sealed with the cover 52; and the tank body 51 is fixed to the bottom plate of the frame through the tank body bracket 53.

[0008] The heating tube bundle 6 includes: a heat inlet end 61, a heat exchange tube body 62, a heat outlet end 63, and a sealing coupling; the heat inlet end 61 and the heat outlet end 63 have the same cover-shaped component structure; a first flange plate 621 and a second flange plate 622 are respectively provided on both sides of the heat exchange tube body 62; a plurality of heat exchange tubes 623 are provided between the first flange plate 621 and the second flange plate 622, and the plurality of heat exchange tubes 623 are sealedly connected to the first flange plate 621 and the second flange plate 622 on both sides; the heat inlet end 61 is flange-connected to the first flange plate 621; the heat outlet end 63 is flange-connected to the second flange plate 622; a heat inlet pipe 612 is provided at the center of the heat inlet end 61; a heat outlet pipe 632 is provided at the center of the heat outlet end 63; two sealing couplings are provided, and the heat inlet pipe 612 and the heat outlet pipe 632 are respectively connected to the heat source supply equipment through two sealing couplings.

[0009] The drying tank scraper 7 comprises: a scraper bracket 71 and a scraper 72; both ends of the scraper 72 are provided with a scraper bracket 71; both ends of the scraper 72 are fixed to the first flange plate 621 and the second flange plate 622 by bolts of the scraper bracket 71; the front end of the scraper 72 is a scraper blade part made of rubber material, and the scraper blade part is provided with an arc groove 721.

[0010] The tube bundle driving mechanism 8 includes: a tube bundle driving wheel 81, a second transmission belt 82, and a tube bundle driving motor 83; the tube bundle driving wheel 81 is fixed on the heat exchange tube 623, and the main driving wheel provided on the power output shaft of the heating tube bundle 6 is connected to the tube bundle driving wheel 81 through the second transmission belt 82; the heat exchange tube 623 and the drying tank scraper 7 rotate in the drying tank 5 through the tube bundle driving motor 83.

[0011] The technical scheme provides a tube bundle dryer, which includes: a frame 1, a feed tank 2, an auger shaft roller 3, an auger driving mechanism 4, a drying tank 5, a heating tube bundle 6, a drying tank scraper 7, and a tube bundle driving mechanism 8; a feeding port 21 is provided at the top of one end of the feed tank 2, and a feeding port 22 is provided at the lower part of the other end of the feed tank 2; a feed port 511 and a discharge port 512 are provided on the drying tank 5; the feeding port 22 is sealed and connected with the feed port 511; the auger shaft roller 3 is axially connected in the feed tank 2; the shaft of the auger shaft roller 3 is provided with an auger rotor 33 and a feeding rotor 34, and the auger driving mechanism 4 drives the auger shaft roller 3 to rotate in the feed tank 2; the drying tank scraper 7 is fixed to the edge of the heating tube bundle 6. The auger blades 33 and the feed blades 34 that are gradually sparse in the discharge direction can slow down the wet starch from falling from the feed tank 2 into the drying tank 5. The tube bundle drive mechanism 8 drives the heating tube bundle 6 and the drying tank scraper 7 to rotate synchronously to fully dry the starch, thereby preventing the wet starch from entering the drying tank 5 too much and too quickly, causing the problem of insufficient starch drying. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an overall schematic diagram of a tube bundle dryer of the utility model;

[0013] Figure 2 This is a structural cross-sectional view of a tube bundle dryer of the utility model;

[0014] Figure 3 This is a schematic diagram of the heating tube bundle structure of a tube bundle dryer of the utility model;

[0015] Figure 4 This is a schematic diagram of the structure of the auger shaft roller of a tube bundle dryer of the utility model;

[0016] Figure 5 The utility model is a schematic diagram of a drying tank scraper structure of a tube bundle dryer. DETAILED DESCRIPTION

[0017] The technical scheme will be further described clearly and completely below in conjunction with the accompanying drawings of the technical scheme. The described embodiments are only a part of the technical scheme, not all of the embodiments. Based on the technical scheme, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Example

[0018] See also Figures 1 to 5 As shown, a tube bundle dryer comprises: a frame 1, a feed tank 2, an auger shaft roller 3, an auger drive mechanism 4, a drying tank 5, a heating tube bundle 6, a drying tank scraper 7, a tube bundle drive mechanism 8, and a drive controller;

[0019] The feed tank 2 and the drying tank 5 are fixed on the frame; the feed tank 2 is a tubular body; a feeding port 21 is provided at the top of one end of the feed tank 2, and a feeding port 22 is provided at the lower part of the other end of the feed tank 2;

[0020] The auger shaft roller 3 is axially connected in the feed tank 2; the two side ends of the auger shaft roller 3 are respectively provided with a shaft roller shaft connection part Ⅰ31 and a shaft roller shaft connection part Ⅱ32; the front end of the shaft roller shaft connection part Ⅰ31 is provided with a first pulley fixing part 311; the shaft of the auger shaft roller 3 is provided with an auger blade 33 and a feeding blade 34, and the auger blade 33 is gradually sparse along the discharge direction; the auger shaft roller 3 above the feed port 22 is provided with a feeding blade 34; there are 2-4 feeding blades 34, and a plurality of feeding blades 34 are arranged in a ring array on the shaft of the auger shaft roller 3;

[0021] There is a gap between the auger blades 33 and the feed blades 34, that is, a smooth shaft is provided between the auger blades 33 and the feed blades 34 on the auger shaft roller 3.

[0022] The auger drive mechanism 4 includes: an auger drive wheel 41, a first transmission belt 42, and an auger shaft drive motor 43; the auger drive wheel 41 is fixed on the first pulley fixing portion 311; the main drive wheel provided on the power output shaft of the auger shaft drive motor 43 is connected to the auger drive wheel 41 through the first transmission belt 42; the auger shaft roller 3 is driven to rotate by the auger shaft drive motor 43.

[0023] The drying tank 5 comprises a tank body 51, a sealing cover 52, and a tank body support 53; a feed port 511 is provided at the upper end of the tank body 51, and the feed port 22 is sealedly connected to the feed port 511; a discharge port 512 and a liquid discharge port 513 are provided at the lower end of the drying tank 5; and sealing covers or valves are provided at the discharge port 512 and the liquid discharge port 513;

[0024] The tank body 51 is flange-sealed with the cover 52; the tank body 51 is fixed to the bottom plate of the frame 1 through a tank body bracket 53;

[0025] A first sleeve 514 is provided at the center of one side of the tank body 51, and a second sleeve 521 is provided at the center of the cover 52. The axis of the first sleeve 514 and the axis of the second sleeve 521 are in the same straight line. The first sleeve 514 and the second sleeve 521 are axially connected at both ends of the heating tube bundle 6.

[0026] The heating tube bundle 6 comprises: a heat inlet end 61, a heat exchange tube body 62, a heat outlet end 63, and a sealing coupling;

[0027] A heat inlet cover 611 is provided on one side of the heat inlet end 61, and a heat inlet pipe 612 is provided at the center of the heat inlet cover 611;

[0028] The heat outlet end 63 has the same structure as the heat inlet end 61; a heat outlet cover 631 is provided on one side of the heat outlet end 63, and a heat outlet pipe 632 is provided at the center of the heat outlet cover 631;

[0029] The heat exchange tube body 62 is provided with a first flange plate 621 and a second flange plate 622 on both sides thereof; a plurality of heat exchange tubes 623 are provided between the first flange plate 621 and the second flange plate 622, and the plurality of heat exchange tubes 623 are sealedly connected to the first flange plate 621 and the second flange plate 622 on both sides;

[0030] The sealing coupling includes a first sealing coupling and a second sealing coupling 642; the heat inlet pipe 612 is sealedly connected to the first sleeve 514; the end of the heat inlet pipe 612 is connected to the heat supply pipe of the heat source supply device through the first sealing coupling; the heat outlet pipe 632 is sealedly connected to the second sleeve 521; the end of the heat outlet pipe 632 is connected to the return pipe of the heat source supply device through the second sealing coupling 642; the first sealing coupling and the second sealing coupling 642 are fixed on the bracket; the first sealing coupling and the second sealing coupling 642 ensure that the heat source circulation of the heating tube bundle 6 can be ensured when the heating tube bundle 6 is in a rotating state;

[0031] The first flange plate 621 is flange-connected to the heat inlet end 61 and a heat source entrance cavity 624 is formed inside the connection; the second flange plate 622 is flange-connected to the heat outlet end 62 and a heat outlet cavity 625 is formed inside the connection; the heat energy provided by the heat source supply device is diverted from the heat source entrance cavity in the heat inlet end 61 to the heat exchange tube 623, and then converges from the heat outlet cavity 625 at the other end of the heat exchange tube 623 and flows out from the heat outlet pipe 632; the heat source in the heat outlet pipe 632 converges to the heat source supply device to realize heat circulation.

[0032] The drying tank scraper 7 comprises: a scraper bracket 71 and a scraper 72; both ends of the scraper 72 are provided with a scraper bracket 71; both ends of the scraper 72 are fixed to the first flange plate 621 and the second flange plate 622 by bolts of the scraper bracket 71; the front end of the scraper 72 is a scraper blade part made of rubber material, and the scraper blade part is provided with an arc groove 721.

[0033] The tube bundle driving mechanism 8 includes: a tube bundle driving wheel 81, a second transmission belt 82, and a tube bundle driving motor 83; the tube bundle driving wheel 81 is fixed on the heat exchange tube 623, and the main driving wheel provided on the power output shaft of the heating tube bundle 6 is connected to the tube bundle driving wheel 81 through the second transmission belt 82; the heat exchange tube 623 and the drying tank scraper 7 rotate in the drying tank 5 through the tube bundle driving motor 83.

[0034] The auger shaft drive motor 43 and the tube bundle drive motor 83 are both servo motors;

[0035] The drive controller is a control switch for the auger shaft drive motor 43 and the tube bundle drive motor 83. The power supply is electrically connected to the auger shaft drive motor 43 and the tube bundle drive motor 83 through the drive controller.

Claims

1. A tube bundle dryer, which include: A frame (1), a feed tank (2), an auger shaft roller (3), an auger drive mechanism (4), a drying tank (5), a heating tube bundle (6), a drying tank scraper (7), a tube bundle drive mechanism (8), and a drive controller; characterized in that: a feeding port (21) is provided at the top of one end of the feed tank (2), and a feeding port (22) is provided at the lower part of the other end of the feed tank (2); a feed port (511) and a discharge port (512) are provided on the drying tank (5); the feeding port (22) is sealedly connected to the feed port (511); the auger shaft roller (3) is axially connected to the feed tank (2); the auger shaft roller (3) is provided with an auger rotating shaft The invention relates to a drying tank (5) comprising a plurality of feed vanes (33) and a feed vane (34), wherein the auger vanes (33) are gradually sparse in the discharge direction; a plurality of feed vanes (34) are arranged on the auger shaft roller (3) above the feed port (22); a plurality of feed vanes (34) are arranged in a circular array on the shaft of the auger shaft roller (3); an auger drive mechanism (4) drives the auger shaft roller (3) to rotate in the feed tank (2); a drying tank scraper (7) is fixed on the edge of the heating tube bundle (6); a tube bundle drive mechanism (8) drives the heating tube bundle (6) to rotate in the drying tank (5); and a drive controller is electrically connected to the auger drive mechanism (4) and the tube bundle drive mechanism (8).

2. The tube bundle dryer according to claim 1, Features: The auger blade (33) is arranged between the auger blade (33) and the feeding blade (34), and a plurality of feeding blades (34) are arranged in an annular array on the shaft of the auger shaft roller (3).

3. The tube bundle dryer according to claim 2, Features: The auger drive mechanism (4) comprises: an auger drive wheel (41), a first transmission belt (42), and an auger shaft drive motor (43); the auger drive wheel (41) is fixed to one end of the auger shaft roller (3), and a main drive wheel provided on the power output shaft of the auger shaft drive motor (43) is connected to the auger drive wheel (41) through a first transmission belt (42).

4. The tube bundle dryer according to claim 3, Features: The drying tank (5) comprises a tank body (51), a sealing cover (52), and a tank body support (53); a feed port (511) is arranged at the upper end of the tank body (51), and a discharge port (512) and a liquid discharge port (513) are arranged at the lower end of the drying tank (5); the tank body (51) and the sealing cover (52) are flange-sealed and connected; and the tank body (51) is fixed to the bottom plate of the frame via the tank body support (53).

5. The tube bundle dryer according to claim 4, Features: The heating tube bundle (6) comprises: a heat inlet end (61), a heat exchange tube body (62), a heat outlet end (63), and a sealing coupling; a cover-shaped component having the same structure as the heat inlet end (61) and the heat outlet end (63); a first flange plate (621) and a second flange plate (622) are respectively provided on both sides of the heat exchange tube body (62); a plurality of heat exchange tubes (623) are provided between the first flange plate (621) and the second flange plate (622); and the plurality of heat exchange tubes (623) and the first flange plates on both sides are provided. The flange plate (621) and the second flange plate (622) are sealed and connected; the heat inlet end (61) is flange-connected to the first flange plate (621); the heat outlet end (63) is flange-connected to the second flange plate (622); a heat inlet pipe (612) is provided at the center of the heat inlet end (61); a heat outlet pipe (632) is provided at the center of the heat outlet end (63); two sealing couplings are provided, and the heat inlet pipe (612) and the heat outlet pipe (632) are respectively connected to the heat source supply device through the two sealing couplings.

6. The tube bundle dryer according to claim 5, Features: The drying tank scraper (7) comprises: a scraper bracket (71) and a scraper (72); both ends of the scraper (72) are provided with a scraper bracket (71); both ends of the scraper (72) are fixed to a first flange plate (621) and a second flange plate (622) by bolts of the scraper bracket (71); the front end of the scraper (72) is a scraper blade portion made of rubber material, and the scraper blade portion is provided with an arc-shaped groove (721).

7. The tube bundle dryer according to claim 6, Features: The tube bundle drive mechanism (8) comprises: a tube bundle drive wheel (81), a second transmission belt (82), and a tube bundle drive motor (83); the tube bundle drive wheel (81) is fixed on the heat exchange tube (623); a main drive wheel provided on the power output shaft of the heating tube bundle (6) is connected to the tube bundle drive wheel (81) through a second transmission belt (82); the heat exchange tube (623) and the drying tank scraper (7) rotate in the drying tank (5) through the tube bundle drive motor (83).

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