阅读说明：本技术 一种自清洁高效浓缩器 (Self-cleaning efficient concentrator ) 是由 宋德训 于 2021-07-20 设计创作，主要内容包括：本发明涉及浓缩器技术领域,且公开了一种自清洁高效浓缩器底座和安装板,所述底座的上表面固定连接有支撑座,支撑座的上表面固定连接有换热管,换热管的上表面固定连接有支撑架,支撑架的上表面固定连接有气缸,气缸输出轴的一端穿过支撑架,且气缸输出轴的一端固定连接有联轴器,所述联轴器的一端固定连接有滑动轴,滑动轴的一侧固定连接有固定盘,且滑动轴的一侧套接有弹簧,弹簧的一端与固定盘固定连接,所述滑动轴的圆周一侧固定连接有多个弹力板,弹力板的一端固定连接有密封滑板。本发明避免使用60度碱性溶液在传热管内强制循环,来清洁附着在管壁的附着物的问题,提升了热管清洁效果。(The invention relates to the technical field of concentrators and discloses a self-cleaning efficient concentrator base and a mounting plate, wherein a supporting seat is fixedly connected to the upper surface of the base, a heat exchange tube is fixedly connected to the upper surface of the supporting seat, a supporting frame is fixedly connected to the upper surface of the heat exchange tube, an air cylinder is fixedly connected to the upper surface of the supporting frame, one end of an output shaft of the air cylinder penetrates through the supporting frame, a coupler is fixedly connected to one end of the output shaft of the air cylinder, a sliding shaft is fixedly connected to one end of the coupler, a fixing disc is fixedly connected to one side of the sliding shaft, a spring is sleeved on one side of the sliding shaft, one end of the spring is fixedly connected with the fixing disc, a plurality of elastic plates are fixedly connected to one side of the circumference of the sliding shaft, and a sealing sliding plate is fixedly connected to one end of each elastic plate. The invention avoids the problem that 60-degree alkaline solution is used for forcibly circulating in the heat transfer pipe to clean attachments attached to the pipe wall, and improves the cleaning effect of the heat pipe.)

1. The self-cleaning high-efficiency concentrator comprises a base (1) and a mounting plate (18), and is characterized in that a support seat (2) is fixedly connected to the upper surface of the base (1), a heat exchange tube (3) is fixedly connected to the upper surface of the support seat (2), a support frame (4) is fixedly connected to the upper surface of the heat exchange tube (3), a cylinder (5) is fixedly connected to the upper surface of the support frame (4), one end of an output shaft of the cylinder (5) penetrates through the support frame (4), a coupler (6) is fixedly connected to one end of the output shaft of the cylinder (5), a sliding shaft (7) is fixedly connected to one end of the coupler (6), a fixed disk (9) is fixedly connected to one side of the sliding shaft (7), a spring (10) is sleeved to one side of the sliding shaft (7), one end of the spring (10) is fixedly connected with the fixed disk (9), and a plurality of elastic plates (701) are fixedly connected to one side of the circumference of the sliding shaft (7), one end of the elastic plate (701) is fixedly connected with a sealing sliding plate (703), the upper surface of the heat exchange tube (3) is spliced with a sliding tube (8), a sliding shaft (7) is connected with the sliding tube (8) in a sliding manner, one side of the sliding tube (8) is provided with a sliding chute (702), the sliding chute (702) is connected with the sealing sliding plate (703) in a sliding manner, one end of a spring (10) is fixedly connected with the sliding tube (8), one side of the circumference of the sliding tube (8) is fixedly connected with a plurality of scraping plates (11), one side of the circumference of each scraping plate (11) is respectively and integrally formed with a first scraping edge (1101) and a second scraping edge (1102), the first scraping edge (1101) and the second scraping edge (1102) are of inclined structures, the upper surface of each scraping plate (11) is respectively provided with a through hole (1103) and a discharge groove (1104), one side of each scraping plate (11) is provided with a plurality of discharge holes (1105), and the discharge holes (1105) correspond to the sliding chute (702), and the bottom of the scraper (11) is provided with a plurality of filtering holes (1106).

2. The self-cleaning high-efficiency concentrator according to claim 1, wherein the heater (12) is fixedly connected to the outer circumferential wall of the heat exchange tube (3), the first water pump (14) and the second water pump (15) are respectively and fixedly connected to the upper surface of the base (1), and the water inlet end of the second water pump (15) is communicated with the heat exchange tube (3).

3. The self-cleaning high-efficiency concentrator according to claim 2, wherein the upper surface of the base (1) is fixedly connected with a balance tank (13), the water inlet end of the first water pump (14) is communicated with the balance tank (13), and the water outlet end of the first water pump (14) is communicated with the heat exchange tube (3).

4. A self-cleaning high-efficiency concentrator according to claim 1, wherein the upper surface of the base (1) is fixedly connected with a steam separator (16), one side of the steam separator (16) is hermetically inserted with a first connecting pipe (17), and one end of the first connecting pipe (17) is hermetically inserted with the heat exchange pipe (3).

5. A self-cleaning high-efficiency concentrator according to claim 4, wherein the upper surface of the mounting plate (18) is fixedly connected with a bubble separator (19), one side of the bubble separator (19) is hermetically inserted with a second connecting pipe (20), and one end of the second connecting pipe (20) is hermetically inserted with the steam separator (16).

6. A self-cleaning high-efficiency concentrator according to claim 5, wherein the upper surface of the base (1) is fixedly connected with a first condenser (21), one side of the first condenser (21) is hermetically inserted with a third connecting pipe (24), one end of the third connecting pipe (24) is hermetically inserted with the bubble separator (19), and the mounting plate (18) is fixedly connected with the steam separator (16) and the first condenser (21), respectively.

7. A self-cleaning high-efficiency concentrator according to claim 6, wherein the upper surface of the base (1) is fixedly connected with a second condenser (22), one side of the second condenser (22) is hermetically inserted with a communicating pipe (23), and one end of the communicating pipe (23) is hermetically inserted with the first condenser (21).

8. The self-cleaning high-efficiency concentrator as claimed in claim 1, wherein a fixing plate (25) is fixedly connected to one side of the circumference of the heat exchange tube (3), a blowing air pump (26) is fixedly connected to the upper surface of the fixing plate (25), a first connecting air tube (27) is hermetically inserted into the output end of the blowing air pump (26), one end of the first connecting air tube (27) passes through the heat exchange tube (3), and one end of the first connecting air tube (27) is inserted into the scraper (11) above the sliding tube (8).

9. A self-cleaning high-efficiency concentrator as claimed in claim 8, wherein a second connecting air pipe (28) is hermetically inserted between the scrapers (11), and the second connecting air pipe (28) is communicated with the first connecting air pipe (27).

10. The self-cleaning high-efficiency concentrator of claim 9, wherein a plurality of first nozzles (29) and second nozzles (30) are respectively inserted and sealed at one side of the circumference of the scraper (11), the first nozzles (29) and the second nozzles (30) are respectively communicated with the first connecting air pipe (27) and the second connecting air pipe (28), and the first nozzles (29) and the second nozzles (30) are both inclined structures.

Technical Field

The invention relates to the technical field of concentrators, in particular to a self-cleaning efficient concentrator.

Background

The concentrator is a device for concentrating production process in the industries of traditional Chinese medicine, health products, natural seasonings, food additives, food, chemical engineering and the like. Since the invention of the concentrator, the concentrator is widely applied to the fields of chemical industry, medicine production and processing industry, ore processing industry, sewage treatment and the like, and the mainstream concentrator comprises a spherical concentrator, a single-effect concentrator and a double-effect concentrator.

At present, most of the existing high-efficiency concentrators have the following defects: the heaters of all the existing concentrators need to forcibly circulate 60-degree alkaline solution in the heat transfer pipe after production is finished to clean attachments attached to the pipe wall, and the alkaline solution is difficult to completely remove the attachments in the heat transfer pipe, so that the cleaning effect of the heat transfer pipe is poor.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a self-cleaning high-efficiency concentrator, which mainly solves the problems that after production is finished, 60-degree alkaline solution is required to be forcibly circulated in a heat transfer pipe to clean attachments attached to the pipe wall, and the alkaline solution is difficult to completely remove the attachments in the heat transfer pipe, so that the cleaning effect of the heat transfer pipe is poor.

(II) technical scheme

In order to achieve the above object, the present invention provides the following technical solutions

A self-cleaning high-efficiency concentrator comprises a base and a mounting plate, wherein a supporting seat is fixedly connected to the upper surface of the base, a heat exchange tube is fixedly connected to the upper surface of the supporting seat, a supporting frame is fixedly connected to the upper surface of the heat exchange tube, an air cylinder is fixedly connected to the upper surface of the supporting frame, one end of an output shaft of the air cylinder penetrates through the supporting frame, one end of the output shaft of the air cylinder is fixedly connected with a coupler, one end of the coupler is fixedly connected with a sliding shaft, one side of the sliding shaft is fixedly connected with a fixed disc, one side of the sliding shaft is sleeved with a spring, one end of the spring is fixedly connected with the fixed disc, one side of the circumference of the sliding shaft is fixedly connected with a plurality of elastic plates, one end of each elastic plate is fixedly connected with a sealing sliding plate, a sliding tube is inserted into the upper surface of the heat exchange tube, the sliding shaft is slidably connected with the sliding tube, one side of the sliding tube is provided with a sliding groove, and the sliding groove is slidably connected with the sealing sliding plate, and the one end and the slip pipe fixed connection of spring, a plurality of scraper blades of circumference one side fixedly connected with of slip pipe, circumference one side of scraper blade integrated into one piece have respectively that the first sword of scraping and the second scrape the sword, and the sword is the slope structure is scraped to the first sword of scraping and second, through-hole and relief groove have been seted up respectively to the upper surface of scraper blade, and a plurality of relief holes have been seted up to one side of scraper blade, and the relief hole is corresponding with the spout, and the bottom of scraper blade has seted up a plurality of filtration holes.

Furthermore, the heater is fixedly connected to the outer wall of the circumference of the heat exchange tube, the first water pump and the second water pump are fixedly connected to the upper surface of the base respectively, and the water inlet end of the second water pump is communicated with the heat exchange tube.

On the basis of the scheme, the upper surface of the base is fixedly connected with a balance tank, the water inlet end of the first water pump is communicated with the balance tank, and the water outlet end of the first water pump is communicated with the heat exchange tube.

As a further scheme of the invention, the upper surface of the base is fixedly connected with a steam separator, one side of the steam separator is hermetically inserted with a first connecting pipe, and one end of the first connecting pipe is hermetically inserted with the heat exchange pipe.

Furthermore, the upper surface of mounting panel fixed connection has the bubble separator, and one side of bubble separator is sealed to be pegged graft and is had the second connecting pipe, and the one end and the sealed grafting of steam separator of second connecting pipe.

On the basis of the scheme, the upper surface of the base is fixedly connected with a first condenser, one side of the first condenser is hermetically inserted with a third connecting pipe, one end of the third connecting pipe is hermetically inserted with the bubble separator, and the mounting plate is fixedly connected with the steam separator and the first condenser respectively.

As a further scheme of the invention, the upper surface of the base is fixedly connected with a second condenser, one side of the second condenser is hermetically inserted with a communicating pipe, and one end of the communicating pipe is hermetically inserted with the first condenser.

Further, circumference one side fixedly connected with fixed plate of heat exchange tube, the last fixed surface of fixed plate is connected with the air pump of blowing, and the sealed grafting of the output of air pump of blowing has first connecting pipe, and the heat exchange tube is passed to first connecting pipe's one end, and just first connecting pipe's one end is pegged graft mutually with the scraper blade that is located the slip pipe top.

On the basis of the scheme, a second connecting air pipe is inserted between the scraping plates in a sealing mode and is communicated with the first connecting air pipe.

As a further scheme of the invention, one side of the circumference of the scraper is respectively and hermetically inserted with a plurality of first nozzles and second nozzles, the first nozzles and the second nozzles are respectively communicated with a first connecting air pipe and a second connecting air pipe, and the first nozzles and the second nozzles are both in inclined structures.

(III) advantageous effects

Compared with the prior art, the self-cleaning high-efficiency concentrator provided by the invention has the following beneficial effects

1. According to the heat exchange tube cleaning device, the coupler is driven to move up and down through the work of the air cylinder, the sliding shaft is driven to move up and down in the sliding tube through the coupler, meanwhile, the sliding tube can be driven to move up and down in the heat exchange tube under the action of the spring, so that the scraping blade is driven to move up and down, attachments on the inner wall of the heat exchange tube are cleaned through the first scraping edge and the second scraping edge on the scraping blade, and the heat transfer tube cleaning effect is improved.

2. According to the invention, the inner wall of the heat exchange pipe is cleaned while water vapor enters the vapor separator, so that the inner wall of the heat exchange pipe is not required to be cleaned independently, the operation steps are simplified, and the working efficiency of cleaning the inner wall of the heat exchange pipe is improved.

3. According to the invention, through the arrangement of the first condenser and the second condenser, the temperature of the steam can be reduced by performing cooling and condensing treatment on the steam, so that the steam is changed into liquid, the liquid can be conveniently recovered, and the waste of resources is reduced.

4. According to the invention, through the structural arrangement of the first spray head and the second spray head, the crystals between the gaps of the scraper can be cleaned by blowing, so that the crystals in the sewing process of the scraper are blown into the discharge tank and enter the sliding pipe through the discharge hole, the cleaning effect on the scraper is increased, the labor work of disassembling the scraper for cleaning is avoided, and the practicability of the device is improved.

Drawings

FIG. 1 is a schematic perspective view of an embodiment 1 of a self-cleaning high-efficiency concentrator according to the present invention;

FIG. 2 is a schematic view showing the internal structure of an embodiment 1 of the self-cleaning high-efficiency concentrator according to the present invention;

FIG. 3 is a schematic cross-sectional view of an embodiment 1 of the self-cleaning high-efficiency concentrator according to the present invention;

FIG. 4 is a schematic view of a self-cleaning high efficiency concentrator of example 1, partially in section;

FIG. 5 is a schematic view of a partial bottom view of an embodiment 1 of the self-cleaning high efficiency concentrator of the present invention;

FIG. 6 is a schematic diagram of a rear view of an embodiment 1 of the self-cleaning high-efficiency concentrator according to the present invention;

FIG. 7 is a schematic perspective view of an embodiment 2 of the self-cleaning high-efficiency concentrator of the present invention;

FIG. 8 is a schematic cross-sectional view of a self-cleaning high-efficiency concentrator in accordance with example 2 of the present invention.

FIG. 1, base; 2. a supporting seat; 201. a limiting pipe; 3. a heat exchange pipe; 4. a support frame; 5. a cylinder; 6. a coupling; 7. a sliding shaft; 701. an elastic plate; 702. a chute; 703. sealing the sliding plate; 8. a sliding tube; 9. fixing the disc; 10. a spring; 11. a squeegee; 1101. a first scraping edge; 1102. a second scraping edge; 1103. a through hole; 1104. a discharge chute; 1105. a discharge hole; 1106. a filtration pore; 12. a heater; 13. a balancing tank; 14. a first water pump; 15. a second water pump; 16. a steam separator; 17. a first connecting pipe; 18. mounting a plate; 19. a bubble separator; 20. a second connecting pipe; 21. a first condenser; 22. a second condenser; 23. a communicating pipe; 24. a third connecting pipe; 25. a fixing plate; 26. an air blowing pump; 27. a first connecting air pipe; 28. a second connecting air pipe; 29. a first nozzle; 30. and a second spray head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-6, a self-cleaning high-efficiency concentrator comprises a base 1 and a mounting plate 18, wherein a support seat 2 is fixed on the upper surface of the base 1 through bolts, a heat exchange tube 3 is fixed on the upper surface of the support seat 2 through bolts, a support frame 4 is fixed on the upper surface of the heat exchange tube 3 through bolts, a cylinder 5 is fixed on the upper surface of the support frame 4 through bolts, one end of an output shaft of the cylinder 5 penetrates through the support frame 4, a coupler 6 is fixed on one end of the output shaft of the cylinder 5 through bolts, one end of the coupler 6 is fixed with a sliding shaft 7 through bolts, one side of the sliding shaft 7 is fixed with a fixed disc 9 through bolts, one side of the sliding shaft 7 is sleeved with a spring 10, one end of the spring 10 is fixedly connected with the fixed disc 9, one side of the circumference of the sliding shaft 7 is fixed with a plurality of elastic plates 701 through bolts, one end of each elastic plate 701 is fixed with a sealing sliding plate 703 through bolts, the upper surface of the heat exchange tube 3 is inserted with a sliding tube 8, a sliding shaft 7 is slidably connected with the sliding tube 8, one side of the sliding tube 8 is provided with a sliding groove 702, the sliding groove 702 is slidably connected with a sealing sliding plate 703, when the sliding shaft 7 and the sliding tube 8 are pushed by the cylinder 5 to move downwards, when one end of the sliding tube 8 is positioned at the bottom of the heat exchange tube 3, at this time, the sliding shaft 7 continues to move downwards under the continuous pushing of the cylinder 5, and under the action of an elastic plate 701, the sealing sliding plate 703 slides downwards, so that the sliding groove 702 on the sliding tube 8 can be blocked, the liquid is prevented from entering the sliding tube 8 and affecting the concentration of the liquid, one end of a spring 10 is fixedly connected with the sliding tube 8, one side of the circumference of the sliding tube 8 is fixed with a plurality of scraping plates 11 through bolts, one side of the circumference of each scraping plate 11 is respectively integrally formed with a first scraping edge 1101 and a second scraping edge 1102, the cylinder 5 works to drive the coupler 6 to move upwards and downwards, the sliding shaft 7 is driven by the coupler 6 to move up and down in the sliding pipe 8, meanwhile, under the action of the spring 10, the sliding pipe 8 can be driven to move up and down in the heat exchange pipe 3, so as to drive the scraper to move up and down, attachments on the inner wall of the heat exchange pipe 3 are cleaned by utilizing the first scraping edge 1101 and the second scraping edge 1102 on the scraper, so that the cleaning effect of the heat transfer pipe is improved, the first scraping edge 1101 and the second scraping edge 1102 are both of an inclined structure, so as to facilitate the sliding of cleaned crystals, the upper surface of the scraper 11 is respectively provided with a through hole 1103 and a discharge groove 1104, one side of the scraper 11 is provided with a plurality of discharge holes 1105, the discharge holes 1105 correspond to the sliding groove 702, and the bottom of the scraper 11 is provided with a plurality of filter holes 1106, the through hole 1103 and the discharge hole 1106 are designed so as to facilitate the upward overflow of liquid, thereby preventing the liquid from accumulating at the bottom of the heat exchange pipe 3, and the filter holes 1106 may also filter impurities in the liquid.

The circumferential outer wall of the heat exchange tube 3 is fixed with a heater 12 through a bolt, the upper surface of the base 1 is respectively fixed with a first water pump 14 and a second water pump 15 through bolts, the water inlet end of the second water pump 15 is communicated with the heat exchange tube 3, the upper surface of the base 1 is fixed with a balance tank 13 through bolts, the water inlet end of the first water pump 14 is communicated with the balance tank 13, the water outlet end of the first water pump 14 is communicated with the heat exchange tube 3, the upper surface of the base 1 is fixed with a steam separator 16 through bolts, the steam and the moisture are separated by the steam separator 16, the dryness of the steam is ensured, one side of the steam separator 16 is hermetically inserted with a first connecting tube 17, the design of cleaning the inner wall of the heat exchange tube 3 when the steam enters the steam separator is carried out, the cleaning in no separate time is needed, the operation steps are simplified, and the work efficiency of cleaning the inner wall of the heat exchange tube 3 is improved, one end of the first connecting pipe 17 is in sealed insertion connection with the heat exchange pipe 3, the upper surface of the mounting plate 18 is fixedly provided with a bubble separator 19 through a bolt, the impurity particles on the surface of the steam can be adsorbed by the bubble separator 19, one side of the bubble separator 19 is in sealed insertion connection with a second connecting pipe 20, one end of the second connecting pipe 20 is in sealed insertion connection with the steam separator 16, the upper surface of the base 1 is fixedly provided with a first condenser 21 through a bolt, one side of the first condenser 21 is in sealed insertion connection with a third connecting pipe 24, one end of the third connecting pipe 24 is in sealed insertion connection with the bubble separator 19, the mounting plate 18 is respectively and fixedly connected with the steam separator 16 and the first condenser 21, the upper surface of the base 1 is fixedly provided with a second condenser 22 through a bolt, the design of the first condenser and the second condenser can carry out temperature reduction condensation treatment on the steam, thereby reducing the temperature of the steam, thereby make steam become liquid to in the recovery of liquid, reduce the waste of resource, the sealed grafting of one side of second condenser 22 has communicating pipe 23, and the sealed grafting of one end and second condenser 22 of communicating pipe 23.

When the working principle of the embodiment is used, firstly, the first water pump 14 is started, so that the liquid in the balance tank 13 flows into the heat exchange tube 3 through the first water pump 14, then, the heater 12 is started, the heat exchange tube 3 can be heated in the working state of the heater 12, so that the temperature of the liquid in the heat exchange tube 3 is raised, in the high-temperature state, a part of the liquid is changed into water vapor and enters the vapor separator 16 through the first connecting tube 17, in the process, the air cylinder 5 is started, the coupler 6 is driven to move up and down by the work of the air cylinder 5, the sliding shaft 7 is driven to move up and down in the sliding tube 8 through the coupler 6, meanwhile, under the action of the spring 10, the sliding tube 8 can be driven to move up and down in the heat exchange tube 3, so as to drive the scraper 11 to move up and down, and the crystals attached to the inner wall of the heat exchange tube 3 are cleaned by the first scraper 1101 and the second scraper 1102 on the scraper 11, the effect of cleaning the inner wall of the heat exchange pipe 3 is increased, and due to the inclined structure of the first and second scraping edges 1101 and 1102, so that the cleaned crystals fall into the discharge groove 1104 and enter the sliding pipe 8 through the discharge hole 1105, the steam and, thus, the moisture are then separated by means of the steam separator 16, and the dryness of the steam is ensured, moreover, the separated steam enters the bubble separator 19 through the second connecting pipe 20, the impurity particles on the surface of the steam can be adsorbed by the bubble separator 19, the steam without impurities enters the first condenser 21 through the third connecting pipe 24, the heat in the steam is taken away by the first condenser 21, thereby lowering the temperature of the surface of the steam and the lowered temperature steam enters the second condenser 22 through the vent pipe 23, so that the steam becomes liquid in the low temperature second condenser 22.

Example 2

Referring to fig. 6-7, a self-cleaning high-efficiency concentrator comprises a fixing plate 25 fixed on one side of the circumference of a heat exchange tube 3 by bolts, a blowing air pump 26 fixed on the upper surface of the fixing plate 25 by bolts, a first connecting air tube 27 inserted into the output end of the blowing air pump 26 in a sealing manner, one end of the first connecting air tube 27 passing through the heat exchange tube 3, one end of the first connecting air tube 27 inserted into a scraper 11 above a sliding tube 8, a second connecting air tube 28 inserted into the scraper 11 in a sealing manner, the second connecting air tube 28 communicated with the first connecting air tube 27, under the operation of the blowing air pump 26, air entering the scraper 11 through the first connecting air tube 27 and passing through the second connecting air tube 28, so that each scraper 11 can ventilate, a plurality of first nozzles 29 and second nozzles 30 inserted into one side of the circumference of the scraper 11 in a sealing manner, and the first nozzles and the second nozzles are designed, can blow the clearance to the crystal between the scraper blade 11 gap to blow the crystal of making up the scraper blade 11 to in the blow-off tank 1104, and in the relief hole 1105 gets into the sliding tube 8, increased the cleaning performance to scraper blade 11, avoid dismantling scraper blade 11 and get off the work of carrying out the clearance, first shower nozzle 29 and second shower nozzle 30 are linked together with first connecting trachea 27 and second connecting trachea 28 respectively, and first shower nozzle 29 and second shower nozzle 30 are the slope structure.

The working principle of the embodiment is as follows: during the use, start air pump 26 of blowing, under the work of air pump 26 of blowing, make wind pass through first connecting air pipe 27 and get into in the scraper blade 11, and through second connecting air pipe 28, make every scraper blade 11 all can ventilate, and make wind discharge through first shower nozzle 29 and second shower nozzle 30, thereby can blow the clearance of blowing by the crystal between the scraper blade 11 gap, thereby blow the crystal in the scraper blade 11 is made to the blow-off tank 1104 in, and in the relief hole 1105 gets into sliding tube 8, the cleaning performance to scraper blade 11 has been increased, avoid dismantling scraper blade 11 and carry out the work of clearance.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the description herein, it is to be noted that, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be mechanical or electrical, and may be direct or indirect via an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, it is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.