CN116989568A - Efficient heating hollow shaft of rake dryer and liquid draining method thereof - Google Patents

Efficient heating hollow shaft of rake dryer and liquid draining method thereof Download PDF

Info

Publication number
CN116989568A
CN116989568A CN202310680159.1A CN202310680159A CN116989568A CN 116989568 A CN116989568 A CN 116989568A CN 202310680159 A CN202310680159 A CN 202310680159A CN 116989568 A CN116989568 A CN 116989568A
Authority
CN
China
Prior art keywords
hollow
shaft
heating
main shaft
rake
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310680159.1A
Other languages
Chinese (zh)
Inventor
焦建梅
赵业
任昌青
高乐秀
王莹莹
刘豪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zibo Vacuum Equipment Plant Co ltd
Original Assignee
Zibo Vacuum Equipment Plant Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zibo Vacuum Equipment Plant Co ltd filed Critical Zibo Vacuum Equipment Plant Co ltd
Priority to CN202310680159.1A priority Critical patent/CN116989568A/en
Publication of CN116989568A publication Critical patent/CN116989568A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/02—Applications of driving mechanisms, not covered by another subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
    • F26B11/16—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a vertical or steeply-inclined plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/04—Agitating, stirring, or scraping devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B9/00—Auxiliary systems, arrangements, or devices
    • F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a high-efficiency heating hollow shaft of a rake dryer and a liquid discharging method thereof, and belongs to the technical field of dryers. The method solves the defects that in the prior art, after a main shaft of a dryer in the traditional rake dryer is filled with heating medium, the circulation of the heating medium is poor or dead angles exist. The main structure of the heating hollow shaft comprises a frame, wherein a shell and a motor are arranged on the frame, a heating hollow shaft is arranged in the shell, the motor is rotationally connected with the heating hollow shaft through a transmission component, two ends of the heating hollow shaft are rotatably arranged on a support, the heating hollow shaft comprises a main shaft hollow pipe, a hollow end shaft and a driving end shaft which are arranged at two ends of the main shaft hollow pipe, a heating medium inlet pipe which is arranged and penetrates through the hollow end shaft and the inside of the main shaft hollow pipe, and more than one hollow rake teeth are arranged outside the main shaft hollow pipe. The invention is mainly used for the rake dryer.

Description

Efficient heating hollow shaft of rake dryer and liquid draining method thereof
Technical Field
The invention belongs to the technical field of dryers, and particularly relates to a high-efficiency heating hollow shaft of a rake dryer and a liquid discharging method thereof.
Background
The dryer is widely applied in the fields of medicines, chemical industry, dyes, pesticides, foods and the like, and is suitable for pasty, pasty and powdery materials, heat-sensitive materials requiring low-temperature drying, and materials which are easy to oxidize, explode, strongly irritate, extremely toxic and the like. The dried material is added from the upper part of the shell, the material moves back and forth axially under the stirring of the continuously positive and negative rotating rake teeth, the surface contacted with the inner wall of the shell is continuously updated, the surface is indirectly heated by steam, the rake teeth are uniformly stirred, so that the water/solvent on the surface of the material is more favorably discharged, the vaporized water/solvent is discharged from the outlet of the vacuum pump through the condenser, and the dried material is directly discharged from the bottom for bagging. The rake dryer needs to ensure a certain temperature in the process of drying materials, so that the dryer needs to be heated, a heating medium can be heated through an external jacket of the dryer, and a hollow shaft is matched to increase the heat exchange area for improving the heating efficiency. After the main shaft of the dryer is filled with the heating medium, the heating medium is worse to circulate or dead angles exist in the circulation, and particularly, each rake tooth cannot circulate efficiently and is easy to have dead angles.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the high-efficiency heating hollow shaft of the rake dryer and the liquid discharging method thereof, which not only can timely discharge condensed water in the hollow rake teeth and prevent backflow, but also can timely discharge condensed water in the hollow pipe of the main shaft, thereby improving the circulation efficiency of heating medium and the heating efficiency of the hollow pipe of the main shaft, improving the utilization rate of the heating medium, saving energy and reducing consumption, improving the working efficiency of the dryer and guaranteeing the quality of dried substances.
In order to achieve the above purpose, the present invention is realized by adopting the following technical scheme:
the utility model provides a high-efficient heating hollow shaft of rake dryer, includes the frame, is provided with casing and motor in the frame, be provided with the heating hollow shaft in the casing, the motor passes through drive assembly and is connected with the heating hollow shaft rotation, and the both ends of heating hollow shaft rotationally install on the support, and the heating hollow shaft includes main shaft hollow tube, sets up hollow end shaft and the drive end shaft at main shaft hollow tube both ends, installs and runs through the heating medium pipe of inside hollow end shaft and main shaft hollow tube, and the outside of main shaft hollow tube is provided with more than one hollow rake teeth.
Preferably, a diversion drainage bucket is arranged between the hollow end shaft and the heating medium inlet pipe.
Preferably, the water guiding drainage bucket comprises a water tank baffle, an arc-shaped plate arranged on the arc-shaped side edge of the water tank baffle, a first drainage plate and a second drainage plate arranged on the side surface of the water tank baffle, wherein two ends of the water tank baffle are in contact with the inner wall of the hollow pipe of the main shaft, a liquid inlet cavity is formed between the concave surface of the water tank baffle and the inner wall of the hollow pipe of the main shaft, a first liquid storage cavity is formed between the first drainage plate and the water tank baffle as well as between the first drainage plate and the arc-shaped plate, and a second liquid storage cavity is formed between the second drainage plate and the water tank baffle as well as between the second drainage plate and the arc-shaped plate.
Preferably, a liquid discharge hole is formed in the hollow end shaft, and the liquid storage cavity I and the liquid storage cavity II are communicated with the liquid discharge hole.
Preferably, the water tank baffle is of a crescent structure.
Preferably, the end part of the heating medium inlet pipe is provided with a heating medium inlet and a heating medium outlet through a rotary joint, and the liquid draining hole is communicated with the heating medium outlet.
Preferably, the hollow rake teeth comprise rake teeth hollow pipes and rake blades welded at one ends of the rake teeth hollow pipes, and the other ends of the rake teeth hollow pipes are communicated with the inner cavity of the main shaft hollow pipes through reducing joints.
Preferably, the heating medium inlet pipe is connected with the heating medium extension branch pipe through the heating medium branch pipe and the fixed wire seat, and the heating medium extension branch pipe penetrates through the reducing joint and then stretches into the hollow pipe of the rake teeth.
A liquid discharge method adopts the rake dryer to heat a hollow shaft efficiently, and comprises the following steps:
when the dryer normally operates, steam enters the heat medium inlet pipe through the heat medium inlet and then enters the hollow rake teeth after passing through the heat medium branch pipes at the bottoms of the hollow pipes of the straight rake teeth, condensed water can appear in the drying process, and the steam and the condensed water are discharged through the reducing joint and then are converged into the inner cavity of the hollow pipe of the main shaft; the condensate water/heat medium is guided by welding a reducing joint at the opening of the hollow tube of the main shaft, the reducing joint adopts a conical structure to enable the condensate water to flow out easily, the condensate water collected by the hollow tube of the main shaft cannot flow back into the hollow rake teeth due to the height difference of the reducing joint to influence heat exchange, namely, the condensate water can play a role of guiding and preventing backwater, and if the condensate water exists in the hollow tube of the main shaft, the heat exchange of the hollow tube of the main shaft can be influenced, so that the condensate water in the hollow tube of the main shaft needs to be cleaned at any time; the flow guide drainage hopper is additionally arranged between the main shaft hollow pipe and the heating medium inlet pipe, and condensed water collected from the main shaft hollow pipe is discharged through the flow guide drainage hopper and the heating medium outlet when the heating hollow shaft rotates, so that the heat exchange efficiency of the main shaft hollow pipe is improved.
Preferably, the condensed water collected from the hollow pipe of the main shaft is discharged through the diversion drainage hopper when the heating hollow shaft rotates:
condensed water collected by the hollow pipe of the main shaft enters the liquid inlet cavity between the concave surface of the water tank baffle and the inner wall of the hollow pipe of the main shaft when the heating hollow shaft rotates, and rapidly flows out of the hollow pipe of the main shaft through the second drainage plate and the first drainage plate; the heating hollow shaft can rotate positively and negatively, the drainage of the diversion drainage bucket is not influenced by the positive and negative rotation, when the first liquid storage cavity rotates to a high point, condensed water is collected to the second liquid storage cavity due to too much condensed water which cannot flow out in time, when the second liquid storage cavity rotates to a certain height, the outflow of the condensed water is discharged to a heating medium outlet along the outside of the liquid discharge hole, and meanwhile the diversion drainage bucket holds water again, so that the outer condensate is discharged in a circulating mode.
Compared with the prior art, the invention has the beneficial effects that:
1. when the dryer normally operates, steam enters the heat medium inlet pipe through the heat medium inlet and then enters the hollow rake teeth after passing through the heat medium branch pipes at the bottoms of the hollow pipes of the straight rake teeth, condensed water can appear in the drying process, and the steam and the condensed water are discharged through the reducing joint and then are converged into the inner cavity of the hollow pipe of the main shaft; the condensate water/heat medium is guided by welding a reducing joint at the opening of the hollow tube of the main shaft, the reducing joint adopts a conical structure to enable the condensate water to flow out easily, the condensate water collected by the hollow tube of the main shaft cannot flow back into the hollow rake teeth due to the height difference of the reducing joint to influence heat exchange, namely, the condensate water can play a role of guiding and preventing backwater, and if the condensate water exists in the hollow tube of the main shaft, the heat exchange of the hollow tube of the main shaft can be influenced, so that the condensate water in the hollow tube of the main shaft needs to be cleaned at any time; a diversion drainage bucket is added between the main shaft hollow pipe and the heating medium inlet pipe, and condensed water collected from the main shaft hollow pipe is discharged through the diversion drainage bucket and the heating medium outlet when the heating hollow shaft rotates, so that the heat exchange efficiency of the main shaft hollow pipe is improved;
2. condensed water collected by the hollow pipe of the main shaft enters the liquid inlet cavity between the concave surface of the water tank baffle and the inner wall of the hollow pipe of the main shaft when the heating hollow shaft rotates, and rapidly flows out of the hollow pipe of the main shaft through the second drainage plate and the first drainage plate; the heating hollow shaft can rotate positively and negatively, the drainage of the diversion drainage bucket is not influenced by the positive and negative rotation, when the liquid storage cavity I rotates to a high point, condensed water is gathered to the liquid storage cavity II because too much condensed water cannot flow out in time, when the liquid storage cavity II rotates to a certain height, the outflow of the condensed water is discharged to the heat medium outlet along the drainage hole, and meanwhile, the diversion drainage bucket holds water again, so that the condensate is discharged in a circulating way, the problem that the heat exchange is influenced by unsmooth discharge of the condensate of the hollow pipe of the main shaft is solved, and the heat medium circulation has no dead angle and improves the heat exchange efficiency;
in summary, the invention not only can timely discharge the condensed water in the hollow rake teeth without backflow, but also can timely discharge the condensed water in the hollow pipe of the main shaft, thereby improving the circulation efficiency of the heating medium and the heating efficiency of the hollow pipe of the main shaft, improving the utilization rate of the heating medium, saving energy and reducing consumption, improving the working efficiency of the dryer and guaranteeing the quality of the dried substances.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the heating hollow shaft of the present invention;
FIG. 3 is a cross-sectional view of A-A of FIG. 2;
FIG. 4 is a cross-sectional view of B-B in FIG. 2;
FIG. 5 is a schematic view of the structure in the direction C in FIG. 4;
fig. 6 is a schematic structural view of a diversion drainage bucket in the present invention.
In the figure: 1. a housing; 2. a support; 3. a frame; 4. a motor; 5. a transmission assembly; 6. heating the hollow shaft; 7. a rotary joint; 8. a heating medium inlet; 9. a heating medium outlet; 10. a heating medium inlet pipe; 11. a hollow end shaft; 12. hollow rake teeth; 13. a main shaft hollow tube; 14. rake teeth hollow tube; 15. harrow leaves; 16. a heating medium extension branch pipe; 17. a reducing joint; 18. a drive end shaft; 19. a heat medium branch pipe; 20. fixing a wire seat; 21. a diversion drainage bucket; 22. a liquid inlet cavity; 23. a drainage plate II; 24. a first liquid storage cavity; 25. a liquid storage cavity II; 26. a liquid discharge hole; 27. a flume baffle; 28. a drainage plate I; 29. an arc-shaped plate.
Detailed Description
The invention will now be further illustrated by means of specific examples in connection with the accompanying drawings.
Example 1:
as shown in fig. 1 and 2, the efficient heating hollow shaft of the rake dryer comprises a frame 3, a shell 1 and a motor 4 are arranged on the frame 3, a heating hollow shaft 6 is arranged in the shell 1, the motor 4 is rotationally connected with the heating hollow shaft 6 through a transmission component 5, two ends of the heating hollow shaft 6 are rotatably arranged on a support 2, the heating hollow shaft 6 comprises a main shaft hollow pipe 13, a hollow end shaft 11 and a driving end shaft 18 which are arranged at two ends of the main shaft hollow pipe 13, a heating medium inlet pipe 10 which is arranged and penetrates through the hollow end shaft 11 and the main shaft hollow pipe 13, and more than one hollow rake teeth 12 are arranged outside the main shaft hollow pipe 13.
Example 2:
as shown in fig. 4, a hollow shaft is heated by a rake dryer, and a diversion drainage bucket 21 is arranged between the hollow end shaft 11 and the heating medium inlet pipe 10.
As shown in fig. 5 and 6, the diversion drainage bucket 21 includes a water tank baffle 27 with a crescent structure, an arc plate 29 disposed on the arc side of the water tank baffle 27, a first drainage plate 28 and a second drainage plate 23 disposed on the side of the water tank baffle 27, two ends of the water tank baffle 27 are in contact with the inner wall of the hollow main shaft tube 13, a liquid inlet cavity 22 is formed between the concave surface of the water tank baffle 27 and the inner wall of the hollow main shaft tube 13, a first liquid storage cavity 24 is formed between the first drainage plate 28 and the water tank baffle 27 and between the arc plate 29, and a second liquid storage cavity 25 is formed between the second drainage plate 23 and the water tank baffle 27 and between the arc plate 29.
A liquid discharge hole 26 is arranged in the hollow end shaft 11, and the liquid storage cavity I24 and the liquid storage cavity II 25 are communicated with the liquid discharge hole 26.
The end part of the heating medium inlet pipe 10 is provided with a heating medium inlet 8 and a heating medium outlet 9 through a rotary joint 7, and a liquid discharge hole 26 is communicated with the heating medium outlet 9.
As shown in fig. 3, the hollow rake teeth 12 comprise rake teeth hollow pipes 14 and rake blades 15 welded at one end of the rake teeth hollow pipes 14, and the other end of the rake teeth hollow pipes 14 is communicated with the inner cavity of the main shaft hollow pipe 13 through a reducing joint 17; the welding part of the rake teeth hollow tube 14 and the rake blades 15 is made into a flat mouth shape, and the strength and the heat transfer surface are fully attached; the heat medium inlet pipe 10 is connected with the heat medium extension branch pipe 16 through the heat medium branch pipe 19 and the fixed wire seat 20, and the heat medium extension branch pipe 16 penetrates through the reducing joint 17 and then stretches into the rake teeth hollow pipe 14.
Example 3:
a method of draining liquid using the efficient heating hollow shaft of the rake dryer of example 2, comprising the steps of:
the dryer heating hollow shaft 6 may use a heating medium: in the normal operation of the dryer, taking the steam as an example, the steam enters the heating medium inlet pipe 10 through the heating medium inlet 8 and then enters the hollow rake teeth 12 through the heating medium branch pipes 19 which are directly communicated with the bottoms of the rake teeth hollow pipes 14, condensed water can appear in the drying process, and the steam and the condensed water are discharged through the reducing joints 17 and then are converged into the inner cavity of the main shaft hollow pipes 13; the reducing joint 17 is welded at the opening of the hollow tube 13 of the main shaft to guide condensed water/heat medium, the reducing joint 17 adopts a conical structure to enable condensed liquid to flow out easily, condensed water collected by the hollow tube 13 of the main shaft cannot flow back into the hollow rake teeth 12 due to the difference of the height of the reducing joint 17 to influence heat exchange, namely, the effect of guiding and preventing backwater is achieved, and if the hollow tube 13 of the main shaft has condensed water, the heat exchange of the hollow tube 13 of the main shaft is influenced, so that the condensed liquid in the hollow tube 13 of the main shaft needs to be cleaned at any time; a diversion drainage bucket 21 is added between the main shaft hollow pipe 13 and the heating medium inlet pipe 10, and condensed water collected from the main shaft hollow pipe 13 is discharged through the diversion drainage bucket 21 and the heating medium outlet 9 when the heating hollow shaft 6 rotates, so that the heat exchange efficiency of the main shaft hollow pipe 13 is improved.
The condensed water collected from the main shaft hollow pipe 13 is discharged through the diversion drainage bucket 21 when the heating hollow shaft 6 rotates, and the method comprises the following steps: condensed water collected by the hollow main shaft 13 enters the liquid inlet cavity 22 between the concave surface of the water tank baffle 27 and the inner wall of the hollow main shaft 13 when the hollow heating shaft 6 rotates, and rapidly flows out of the hollow main shaft 13 through the second drainage plate 23 and the first drainage plate 28, and the condensed water flows into the liquid discharge hole 26 through the first liquid storage cavity 24 or/and the second liquid storage cavity 25 under the cooperation of the second drainage plate 23 and the first drainage plate 28 due to the fact that the hollow heating shaft 6 rotates, so that backflow is prevented; the heating hollow shaft 6 can rotate positively and negatively, the drainage of the diversion drainage bucket 21 is not influenced by the positive and negative rotation, when the first liquid storage cavity 24 rotates to a high point, condensed water is gathered to the second liquid storage cavity 25 due to too much condensed water which cannot flow out in time, when the second liquid storage cavity 25 rotates to a certain height, the outflow of the condensed water is discharged to the heat medium outlet 9 along the drainage hole 26, and meanwhile, the diversion drainage bucket 21 holds water again, so that the outer condensate is circularly rotated.

Claims (10)

1. The utility model provides a high-efficient heating hollow shaft of rake dryer, includes frame (3), is provided with casing (1) and motor (4) on frame (3), its characterized in that: be provided with heating hollow shaft (6) in casing (1), motor (4) are connected through drive assembly (5) and heating hollow shaft (6) rotation, and the both ends of heating hollow shaft (6) rotationally install on support (2), and heating hollow shaft (6) are including main shaft hollow tube (13), hollow end shaft (11) and drive end shaft (18) that set up at main shaft hollow tube (13) both ends, install and run through at inside heating medium advance pipe (10) of hollow end shaft (11) and main shaft hollow tube (13), and the outside of main shaft hollow tube (13) is provided with more than one hollow rake teeth (12).
2. The hollow shaft for efficient heating of a rake dryer as set forth in claim 1, wherein: a diversion drainage bucket (21) is arranged between the hollow end shaft (11) and the heating medium inlet pipe (10).
3. The hollow shaft for efficient heating of a rake dryer as set forth in claim 2, wherein: the diversion drainage hopper (21) comprises a water tank baffle (27), an arc-shaped plate (29) arranged on the arc-shaped side edge of the water tank baffle (27), a first drainage plate (28) and a second drainage plate (23) which are arranged on the side surface of the water tank baffle (27), wherein two ends of the water tank baffle (27) are in contact with the inner wall of the main shaft hollow tube (13), a liquid inlet cavity (22) is formed between the concave surface of the water tank baffle (27) and the inner wall of the main shaft hollow tube (13), a first liquid storage cavity (24) is formed between the first drainage plate (28) and the water tank baffle (27) and between the arc-shaped plate (29), and a second liquid storage cavity (25) is formed between the second drainage plate (23) and the water tank baffle (27) and between the arc-shaped plate (29).
4. A hollow shaft for efficient heating of a rake dryer as set forth in claim 3, wherein: a liquid discharge hole (26) is formed in the hollow end shaft (11), and the liquid storage cavity I (24) and the liquid storage cavity II (25) are communicated with the liquid discharge hole (26).
5. The hollow shaft for efficient heating of a rake dryer as set forth in claim 4, wherein: the water tank baffle (27) is of a crescent structure.
6. The hollow shaft for efficient heating of a rake dryer as set forth in claim 5, wherein: the end part of the heating medium inlet pipe (10) is provided with a heating medium inlet (8) and a heating medium outlet (9) through a rotary joint (7), and a liquid discharge hole (26) is communicated with the heating medium outlet (9).
7. The hollow shaft for efficient heating of a rake dryer as set forth in claim 6, wherein: the hollow rake teeth (12) comprise rake teeth hollow pipes (14) and rake blades (15) welded at one ends of the rake teeth hollow pipes (14), and the other ends of the rake teeth hollow pipes (14) are communicated with the inner cavity of the main shaft hollow pipe (13) through reducing joints (17).
8. The hollow shaft for efficient heating of a rake dryer as set forth in claim 7, wherein: the heat medium inlet pipe (10) is connected with the heat medium extension branch pipe (16) through the heat medium branch pipe (19) and the fixed wire seat (20), and the heat medium extension branch pipe (16) penetrates through the reducing joint (17) and then stretches into the rake tooth hollow pipe (14).
9. A method for draining liquid by using the hollow shaft of the rake dryer of claim 8, characterized in that: the method comprises the following steps:
when the dryer is in normal operation, steam enters the heat medium inlet pipe (10) through the heat medium inlet (8), then enters the hollow rake teeth (12) through the heat medium branch pipes (19) at the bottoms of the straight-through rake tooth hollow pipes (14), condensed water can appear in the drying process, the steam and the condensed water are converged into the inner cavity of the main shaft hollow pipe (13) after coming out through the reducing joint (17), and the condensed water converged from the main shaft hollow pipe (13) is discharged through the diversion drainage hopper (21) and the heat medium outlet (9) when the heating hollow shaft (6) rotates.
10. The drainage method of claim 9, wherein: the condensed water collected from the main shaft hollow pipe (13) is discharged through the diversion drainage hopper (21) when the heating hollow shaft (6) rotates, and the method comprises the following steps:
the condensed water collected by the main shaft hollow tube (13) enters the liquid inlet cavity (22) between the concave surface of the water tank baffle (27) and the inner wall of the main shaft hollow tube (13) when the heating hollow shaft (6) rotates, and rapidly flows out of the main shaft hollow tube (13) through the drainage plate II (23) and the drainage plate I (28), because the heating hollow shaft (6) rotates, the condensed water flows into the liquid discharge hole (26) through the liquid storage cavity I (24) or/and the liquid storage cavity II (25) under the cooperation of the drainage plate II (23) and the drainage plate I (28), when the liquid storage cavity I (24) rotates to a high point, the condensed water is collected into the liquid storage cavity II (25) due to too much condensed water failing to flow out in time, and when the liquid storage cavity II (25) rotates to a certain height, the condensed water flows out to the heat medium outlet (9) along the liquid discharge hole (26), and meanwhile the drainage hopper (21) holds water again, so the outer condensed water is circularly rotated.
CN202310680159.1A 2023-06-07 2023-06-07 Efficient heating hollow shaft of rake dryer and liquid draining method thereof Pending CN116989568A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310680159.1A CN116989568A (en) 2023-06-07 2023-06-07 Efficient heating hollow shaft of rake dryer and liquid draining method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310680159.1A CN116989568A (en) 2023-06-07 2023-06-07 Efficient heating hollow shaft of rake dryer and liquid draining method thereof

Publications (1)

Publication Number Publication Date
CN116989568A true CN116989568A (en) 2023-11-03

Family

ID=88525564

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310680159.1A Pending CN116989568A (en) 2023-06-07 2023-06-07 Efficient heating hollow shaft of rake dryer and liquid draining method thereof

Country Status (1)

Country Link
CN (1) CN116989568A (en)

Similar Documents

Publication Publication Date Title
CN208187046U (en) A kind of prepared slices of Chinese crude drugs drying machine
CN115771987A (en) Environment-friendly drying and dewatering device for sludge treatment
CN213657275U (en) Bipyramid gyration silver powder vacuum drying machine
CN109140953A (en) A kind of energy-efficient double conic rotary vacuum dryer
CN116989568A (en) Efficient heating hollow shaft of rake dryer and liquid draining method thereof
CN206382009U (en) The fast reactor of condensing rate
CN110074251B (en) Production system of soybean protein concentrate
CN213514833U (en) Vacuum rake dryer of dual even constant temperature heating
CN210532907U (en) High-efficient bipyramid gyration vacuum drying machine
CN210114984U (en) Novel SNCR urea dissolving tank
CN210292658U (en) Vacuum rake dryer with large heat exchange area
CN217474267U (en) Powder reaction washing and drying integrated machine
CN212293266U (en) HF type rotation type solid-liquid separation machine
CN219103487U (en) Novel vacuum drier
CN220507546U (en) Rake type dryer
CN208520144U (en) Low temp dryer is used in a kind of production of organic fertilizer
CN220750648U (en) Uniform drying device
CN222187729U (en) Tube bundle dryer
CN217311993U (en) Coil pipe vacuum concentration pot
CN222033625U (en) Energy-saving concentration evaporator
CN217275314U (en) Efficient drying device for livestock and poultry feed processing
CN221223242U (en) Transmission and heat transfer device of blade dryer
CN215447137U (en) Vacuum rake dryer is used in processing of solid sodium methoxide that vacuum is high
CN215939932U (en) Steam water circulation structure for heating reaction kettle
CN213313386U (en) Scraper evaporator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination