Heating and air supply structure for drying glass slide, glass slide drying module and dyeing system

Abstract

The utility model provides a heating air supply structure for drying a glass slide, a glass slide drying module and a dyeing system, and belongs to the field of pathological tissue sample treatment equipment. The heating and air supply structure for drying the glass slide comprises an air supply pipeline, the air supply pipeline is connected with a heating and air blowing assembly used for heating air in the environment and driving hot air to flow towards the tail end of the air supply pipeline in the air supply pipeline, and the tail end of the air supply pipeline is provided with an air blowing structure used for blowing hot air to the glass slide. The glass slide drying module comprises the heating and air supply structure for drying the glass slide. The dyeing system comprises a rack and a glass slide drying module arranged on the rack. According to the glass slide drying device, normal-temperature air in the environment is heated through the heating and air blowing assembly, then conveyed to the air blowing structure through the air supply pipeline and sprayed out through the air blowing structure, so that the glass slide is dried, and the drying effect and efficiency of the glass slide are improved.

Description

Technical Field

[0001] The utility model belongs to the field of pathological tissue sample processing equipment, in particular to a heating air supply structure for drying a glass slide, a glass slide drying module and a staining system. Background Art

[0002] With the continuous development of pathological technology, large hospitals have gradually begun to use staining machines to stain pathological tissue sections. Compared with traditional manual staining, staining machines can more strictly control the staining time and the amount of staining reagents, and are more efficient.

[0003] The Chinese invention patent application with the existing application publication number CN105980827A and the application publication date September 28, 2016 discloses an automated slide processing system, including a frame and a port for feeding a tray loaded with slides arranged on the frame, a plurality of modules arranged in the frame and a transporter for transferring the tray between the modules, the modules in the frame including a slide drying module (i.e., a dryer) for drying specimens, a dyer for a bottom frame dyeing reagent, a cover for covering a slide with a sealing film on the slide to which the dyeing reagent is dripped, and a curing unit for promoting the curing of the adhesive between the sealing film and the slide after covering the sealing film. The slide drying module includes a housing, a heating and air supply structure arranged in the housing, the heating and air supply structure includes a blower and a heater, and a bearing structure for bearing the tray is also arranged in the housing. After placing the tray with the slides into the housing of the slide drying module, start the heater and the blower. The heater heats the air in the housing, and the blower promotes air circulation in the housing to enhance the effect of convective heat transfer. The heated air in the housing is blown over the slides to evaporate the liquid on the slides and dry the tissue samples on the slides.

[0004] However, the above slide drying module needs to heat all the air in the housing to a sufficient temperature by using a heater before drying the tissue sample on the slide, which affects the drying efficiency. Moreover, the air in the housing only circulates in the housing. When the liquid on the slide begins to evaporate, the humidity of the air in the housing will increase, which is not conducive to further drying the tissue sample on the slide, thereby reducing the drying effect and efficiency. Utility Model Content

[0005] One of the purposes of the utility model is to provide a heating and air supply structure for drying a glass slide, so as to solve the technical problems that in the prior art, when a glass slide drying module uses hot air circulating in a shell to dry a tissue sample, all the air in the shell needs to be heated in advance, which affects the drying efficiency, and the technical problems that the effect and efficiency of further drying of the tissue sample are affected by the increased humidity of the hot air in the shell.

[0006] One of the purposes of the utility model is to provide a slide drying module to solve the above technical problems.

[0007] One of the purposes of the utility model is to provide a dyeing system to solve the above technical problems.

[0008] In order to achieve the above-mentioned purpose, the technical solution of the heating and air supply structure for drying the slide glass provided by the utility model is:

[0009] The heating air supply structure for drying glass slides includes an air supply duct, which is connected to a heating and blowing assembly for heating the air in the environment and driving the hot air to flow in the air supply duct toward the tail end of the air supply duct. The tail end of the air supply duct is provided with a blowing structure for blowing hot air toward the glass slides.

[0010] As a further improvement, the blowing structure is a spray hole opened on the air supply duct and connected to the inner cavity of the air supply duct.

[0011] As a further improvement, the spray hole is a rectangular long hole or a waist-shaped long hole.

[0012] As a further improvement, the air supply duct includes a main section, the bottom of which has two inclined walls arranged along the width direction of the main section, the two inclined walls are connected at an angle and the sharp corners of the connection face downward, the spray holes are opened on the two inclined walls and the spray holes on the same inclined wall are arranged at intervals along the length direction of the main section.

[0013] As a further improvement, the air supply duct includes a transition section with a gradually changing cross-sectional size, the small end of the transition section faces the direction of gas flow, and the large end of the transition section is connected to the outlet of the heating and blowing assembly.

[0014] As a further improvement, the air supply duct includes a main body section, the blowing structure is arranged at the bottom of the main body section, and the air supply duct also includes a connecting section for connecting the main body section and the heating and blowing assembly, and the connecting section is connected to the middle of the main body section.

[0015] The beneficial effect is that the heating air supply structure for drying glass slides provided by the utility model is a pioneering invention. The heating air supply structure for drying glass slides utilizes a heating and blowing assembly to heat the normal temperature air in the environment and blow it into the air supply duct. The hot air is blown out by the blowing structure at the tail end of the air supply duct, so that the liquid on the glass slide is evaporated by heating and convection. Compared with the prior art, firstly, the hot air heated by the heating and air supply structure will be directly delivered to each glass slide by the air supply duct, and the amount of air required to be heated at the beginning is less, so the drying of the tissue sample on the glass slide can be started faster, and the drying efficiency is improved; secondly, the gas entering the air supply duct is the air in the environment, so the hot air blown out by the blowing structure can always maintain a high degree of dryness, so that the tissue sample on the glass slide can also be efficiently dried in the later stage, and the drying effect can also be improved.

[0016] In order to achieve the above-mentioned purpose, the technical solution of the slide drying module provided by the utility model is:

[0017] The glass slide drying module includes a protective cover and a heating and air supply structure arranged in the protective cover. The heating and air supply structure includes an air supply duct. The air supply duct is connected to a heating and blowing assembly for heating the air in the environment and driving the hot air to flow in the air supply duct toward the rear end of the air supply duct. The rear end of the air supply duct is provided with a blowing structure for blowing hot air toward the glass slide.

[0018] As a further improvement, the blowing structure is a spray hole opened on the air supply duct and connected to the inner cavity of the air supply duct.

[0019] As a further improvement, the spray hole is a rectangular long hole or a waist-shaped long hole.

[0020] As a further improvement, the air supply duct includes a main section, the bottom of which has two inclined walls arranged along the width direction of the main section, the two inclined walls are connected at an angle and the sharp corners of the connection face downward, the spray holes are opened on the two inclined walls and the spray holes on the same inclined wall are arranged at intervals along the length direction of the main section.

[0021] As a further improvement, the air supply duct includes a transition section with a gradually changing cross-sectional size, the small end of the transition section faces the direction of gas flow, and the large end of the transition section is connected to the outlet of the heating and blowing assembly.

[0022] As a further improvement, the air supply duct includes a main body section, the blowing structure is arranged at the bottom of the main body section, and the air supply duct also includes a connecting section for connecting the main body section and the heating and blowing assembly, and the connecting section is connected to the middle of the main body section.

[0023] As a further improvement, one side of the protective cover is an open structure for the tray to enter and exit and for the hot air to flow out after use.

[0024] As a further improvement, the protective cover includes two side panels arranged opposite to each other and vertically, the air supply channel is a rigid pipe, the air supply channel is fixedly connected to the side panels and forms a connecting beam connecting the two side panels, and the protective cover also includes a top plate arranged above the air supply channel and connected to the air supply channel.

[0025] The beneficial effect is that the slide drying module provided by the utility model is an improvement on the prior art. The heating air supply structure in the slide drying module utilizes the heating and blowing assembly to heat the room temperature air in the environment and blow it into the air supply duct. The hot air is blown out by the blowing structure at the tail end of the air supply duct, so that the liquid on the slide is evaporated by heating and convection. Compared with the prior art, firstly, the hot air heated by the heating and air supply structure will be directly delivered to each slide by the air supply duct. The amount of air required to be heated at the beginning is less, so the drying of the tissue sample on the slide can be started faster, and the drying efficiency is improved; secondly, the gas entering the air supply duct is the air in the environment, so the hot air blown out by the blowing structure can always maintain a high degree of dryness, so that the tissue sample on the slide can also be efficiently dried in the later stage, and the drying effect can also be improved.

[0026] To achieve the above purpose, the technical solution of the dyeing system provided by the utility model is:

[0027] The staining system includes a frame and a slide drying module arranged on the frame, the slide drying module includes a protective cover and a heating and air supply structure arranged in the protective cover, the heating and air supply structure includes an air supply duct, the air supply duct is connected to a heating and blowing assembly for heating the air in the environment and driving the hot air to flow in the air supply duct toward the rear end of the air supply duct, and the rear end of the air supply duct is provided with a blowing structure for blowing hot air toward the slide.

[0028] As a further improvement, the blowing structure is a spray hole opened on the air supply duct and connected to the inner cavity of the air supply duct.

[0029] As a further improvement, the spray hole is a rectangular long hole or a waist-shaped long hole.

[0030] As a further improvement, the air supply duct includes a main section, the bottom of which has two inclined walls arranged along the width direction of the main section, the two inclined walls are connected at an angle and the sharp corners of the connection face downward, the spray holes are opened on the two inclined walls and the spray holes on the same inclined wall are arranged at intervals along the length direction of the main section.

[0031] As a further improvement, the air supply duct includes a transition section with a gradually changing cross-sectional size, the small end of the transition section faces the direction of gas flow, and the large end of the transition section is connected to the outlet of the heating and blowing assembly.

[0032] As a further improvement, the air supply duct includes a main body section, the blowing structure is arranged at the bottom of the main body section, and the air supply duct also includes a connecting section for connecting the main body section and the heating and blowing assembly, and the connecting section is connected to the middle of the main body section.

[0033] As a further improvement, one side of the protective cover is an open structure for the tray to enter and exit and for the hot air to flow out after use.

[0034] As a further improvement, the protective cover includes two side panels arranged opposite to each other and vertically, the air supply channel is a rigid pipe, the air supply channel is fixedly connected to the side panels and forms a connecting beam connecting the two side panels, and the protective cover also includes a top plate arranged above the air supply channel and connected to the air supply channel.

[0035] The beneficial effect is that the staining system provided by the utility model is an improvement on the prior art. The heating air supply structure in the staining system utilizes the heating and blowing assembly to heat the normal temperature air in the environment and blow it into the air supply duct. The hot air is blown out by the blowing structure at the tail end of the air supply duct, so that the liquid on the glass slide is evaporated by heating and convection. Compared with the prior art, firstly, the hot air heated by the heating and air supply structure will be directly delivered to each glass slide by the air supply duct. The amount of air required to be heated at the beginning is less, so the drying of the tissue sample on the glass slide can be started faster, and the drying efficiency is improved; secondly, the gas entering the air supply duct is the air in the environment, so the hot air blown out by the blowing structure can always maintain a high degree of dryness, so that the tissue sample on the glass slide can also be efficiently dried in the later stage, and the drying effect can also be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 This is a schematic diagram of the overall structure of an embodiment of a slide drying module in the utility model;

[0037] Figure 2 This is a schematic diagram of the structure of the air supply duct in one embodiment of the slide drying module of the utility model;

[0038] Figure 3 A cross-sectional view of an air supply duct in one embodiment of a slide drying module in the utility model;

[0039] Figure 4 A top view of an air supply duct in one embodiment of a slide drying module of the utility model;

[0040] Figure 5 A schematic diagram of an arrangement structure of spray holes in an embodiment of a glass slide drying module in the utility model;

[0041] Figure 6 It is a schematic diagram of another arrangement structure of the spray holes in one embodiment of the slide drying module of the utility model.

[0042] Description of reference numerals:

[0043] 1. Air supply duct; 11. Main section; 12. Connecting section; 13. Transition section; 14. Connecting ear plate; 15. Connecting part; 2. Heating fan; 3. Nozzle; 4. Tray; 5. Glass slide; 6. Side panel; 7. Top panel; 8. Carrying platform. DETAILED DESCRIPTION

[0044] The present invention is further described in detail below in conjunction with the embodiments.

[0045] In order to solve the problems in the prior art, the basic concept of the utility model is to use a heating and blowing assembly to heat the room temperature air in the environment, and then transmit it to the blowing structure through an air supply duct and spray it out by the blowing structure to dry the glass slide. Therefore, the amount of air required to be heated initially is less, the drying efficiency is improved, and the hot air blown out by the blowing structure can always maintain a high degree of dryness, so that the tissue sample on the glass slide can also be efficiently dried in the later stage.

[0046] Specific embodiments of the slide drying module provided by the utility model:

[0047] The slide drying module is shown in the attached Figure 1 , including a protective cover, a heating and air supply structure and a bearing structure for bearing the tray 4.

[0048] The heating and air supply structure includes an air supply duct 1, a blowing structure arranged at the rear end of the air supply duct 1, and a heating and blowing component connected to the air supply duct 1 and used to heat the air in the environment and drive the air to flow from the head end to the rear end of the air supply duct 1.

[0049] See attached Figure 2 The air supply duct 1 includes a main section 11 and a connecting section 12 connected to the main section 11. The main section 11 and the connecting section 12 are both rigid ducts. The rigid duct is specifically a duct formed by bending a metal plate. In other embodiments, the rigid duct can also be formed by plastic injection molding. Both ends of the main section 11 in the length direction are closed structures. The connecting section 12 is connected to the middle of the main section 11. The end of the connecting section 12 away from the main section 11 is the head end of the air supply duct 1, and the main section 11 constitutes the tail end of the air supply duct 1. When in use, air enters the air supply duct 1 from the head end, flows to the main section 11 in the air supply duct 1, and is blown out by the blowing structure.

[0050] The end of the connecting section 12 away from the main section 11 is connected to a transition section 13 with a gradually changing cross-sectional size. The small end of the transition section 13 faces the direction of gas flow, and the large end of the transition section 13 is connected to the outlet of the heating and blowing assembly, so that the hot air blown out of the heating and blowing assembly can be collected at the transition section 13, thereby increasing the flow rate of the hot air. The transition section 13 is arranged at the end of the connecting section 12, which can facilitate the processing and manufacturing of the connecting section 12. The heating and blowing assembly is a heating fan 2, including a heating element and a fan assembly. The heating fan 2 is a prior art and will not be described in detail here. The heating fan 2 is fixedly installed at the large end of the transition section 13 by bolts. A connecting portion 15 is arranged on the lower side of the large end of the transition section 13, and the connecting portion 15 includes a vertical plate and a horizontal horizontal plate vertically connected to the vertical plate. The horizontal plate is provided with perforations for easy connection with the frame.

[0051] See attached Figure 2 and attached Figure 3 The bottom of the main section 11 has two inclined walls arranged along the width direction of the main section 11. The two inclined walls are connected at an angle with the sharp corners of the connection facing downward. Each inclined wall is provided with a nozzle 3 connected to the inner cavity of the main section 11, and the nozzle 3 constitutes a blowing structure. The nozzle 3 on the inclined wall can blow out airflow at an angle, and the inclined airflow can have a larger drying range. Therefore, when the nozzles 3 on the two inclined walls are close to each other, the two rows of glass slides 5 can be dried simultaneously, thereby improving the compactness of the arrangement of the nozzles 3. The nozzle 3 can be a rectangular long hole or a waist-shaped long hole, so that the airflow ejected from the nozzle 3 is flat, the ejected airflow can have a wider range, and at the same time ensure a larger airflow velocity. In other embodiments, the nozzle 3 can also be circular. See the attached Figure 4 The number of nozzles 3 can be equal to the number of glass slides 5, so that each glass slide 5 can be assigned a nozzle 3 to blow air thereto. Figure 5 The number of nozzle holes 3 can be less than the number of glass slides 5. In this case, the nozzle holes 3 are long and narrow, and one nozzle hole 3 can be used to blow air to multiple glass slides 5. Figure 6 The number of nozzle holes 3 can also be greater than the number of glass slides 5. In this case, the nozzle holes 3 are arranged in groups, each group of nozzle holes 3 corresponds to a glass slide 5 one by one, and two or more nozzle holes 3 are used to blow air to the same glass slide 5.

[0052] See attached Figure 1The protective cover includes two side panels 6 arranged opposite to each other and a top panel 7 located between the side panels 6. The side panels 6 are located at both ends of the length direction of the main section 11. Connecting ear panels 14 are fixedly arranged at both ends of the length direction of the main section 11. Connecting holes for bolts to pass through are provided on the connecting ear panels 14 and the corresponding positions of the side panels 6, so that the connecting ear panels 14 are fixedly connected to the side panels 6 by bolts. The connecting section 12 constitutes a connecting beam connecting the two side panels 6, so that the protective cover does not need to be separately provided with a connecting beam, simplifying the structure of the protective cover. In other embodiments, the main section 11 can also be connected to the side panels 6 by welding. The top panel 7 is fixedly installed on the top of the connecting end, which plays a role in preventing objects from above from falling onto the glass slide 5, and can also reduce the rate of heat dissipation.

[0053] One side of the protective cover in a direction perpendicular to the arrangement direction of the two side panels 6 is an open structure for the tray 4 to enter and exit the protective cover. The open structure can also facilitate the hot air to flow out of the protective cover after use. The heating fan 2 is located on the other side of the protective cover away from the open structure, which can prevent the inhalation of used wet air and prevent interference with the tray 4 entering and exiting the protective cover. The bearing structure is a flat bearing platform 8, which is located directly below the main section 11, and the two ends of the bearing platform 8 are respectively fixedly connected to the two side panels 6 by bolts. The tray 4 can be directly placed on the bearing platform 8 after entering the protective cover from the open structure.

[0054] When in use, the tray 4 with the glass slide 5 is placed on the carrier 8. After the tray 4 is placed firmly, the heating fan 2 is started. The heating fan 2 blows the normal temperature air in the environment into the air supply duct 1, and heats the blown normal temperature air to form hot air. The hot air flows from the head end to the tail end of the air supply duct 1, and is blown out by the blowing structure at the tail end. The hot air blown out by the blowing structure blows obliquely over the upper surface of the glass slide 5, heats the upper surface of the glass slide 5 to evaporate the liquid on the glass slide 5, and accelerates the evaporation of the liquid on the glass slide 5 by convection.

[0055] Compared with the prior art, firstly, the hot air heated by the heating fan 2 will be directly delivered to each glass slide 5 through the air supply duct 1, and the amount of air that needs to be heated initially is less, so the drying of the tissue samples on the glass slide 5 can be started faster, thereby improving the drying efficiency; secondly, the gas entering the air supply duct 1 is the air in the environment, so the hot air blown out by the blowing structure can always remain dry, so that the tissue samples on the glass slide 5 can also be efficiently dried in the later stage, and the final drying effect will also be better.

[0056] In the above embodiments, the first end of the air supply duct is arranged on the side of the protective cover away from the open structure, which can ensure that the air sucked into the air supply duct is dry air. In other embodiments, the first end of the air supply duct can also be arranged on the top or side plate of the protective cover.

[0057] In different embodiments, the protective cover can have various forms. For example, in one embodiment, the protective cover can be a box with an opening on one side, and the tray can enter and exit the box from the opening. The bottom wall of the box constitutes a bearing structure for placing and carrying the tray. Therefore, in this embodiment, no separate bearing platform is provided in the box, and the head end of the air supply duct passes through the side wall of the box away from the opening and extends out of the box, and the heating fan is installed on the outside of the box; on the basis of this embodiment, in order to further reduce the heat dissipation, a flip door that can be pushed open by the tray can be provided at the opening of the box, and the excess gas in the box can be discharged from the gap between the flip door and the box. In other embodiments, the protective cover can be a frame structure.

[0058] In the above embodiments, the transition section can increase the flow rate of hot air, enhance the drying effect, and improve the drying efficiency. In other embodiments, the heating and blowing assembly can include a blower with higher power and a heating element. In this embodiment, the gas flow rate blown by the blower is higher, and there is no need to accelerate the airflow, so the transition section may not be provided.

[0059] In the above embodiments, the blowing structure is formed by processing the spray hole on the main body section, which can simplify the structure. In other embodiments, the blowing structure can be an independent nozzle member, and the nozzle member is installed on the lower inclined wall of the main body section and the nozzle member is connected to the inner cavity of the main body section, which can also achieve the same effect. The nozzle member can be arranged obliquely on the main body section, so in other embodiments, the main body section can also be provided with no inclined wall, and the nozzle member can be arranged on the side walls on both sides of the width direction of the main body section, and the nozzle outlet of the nozzle member is inclined downward.

[0060] In the above embodiments, the air supply duct is made of a rigid duct, which can be conveniently processed into a spray hole and can also play a supporting role. In other embodiments, an independent connecting beam can be set in the protective cover to support the protective cover. The air supply duct in this embodiment can be made of a flexible duct, and the blowing structure is an independent nozzle member, which is fixedly installed on the top wall in the protective cover. The air supply duct includes a main duct and a branch duct connected to the main duct. The end of the branch duct away from the main duct is connected to the corresponding nozzle member. In this embodiment, the heating fan is installed on the protective cover, and the head end of the air supply duct is connected to the outlet of the heating fan.

[0061] In the above embodiment, the blowing structure groups are arranged in two rows, and two rows of glass slides can be dried at the same time. In other embodiments, the bottom wall of the main body section is a horizontal wall, and the width of the main body section is widened, so that three or four rows of blowing structure groups can be arranged on the bottom wall of the main body section to dry more glass slides. In other embodiments, if the number of glass slides to be dried is small, the blowing structure group can be arranged in only one row.

[0062] In the above embodiment, the heating and blowing assembly is arranged at the head end of the air supply duct, which can be easily installed. In other embodiments, the air supply duct can also be divided into two separate sections, the heating and blowing assembly is arranged between the two sections, and the inlet and outlet of the heating and blowing assembly are respectively connected to the two sections. After the end of the air supply duct section connected to the inlet of the heating and blowing assembly away from the heating and blowing assembly is arranged outside the protective cover, the heating and blowing assembly can be arranged inside the protective cover. In this embodiment, a transition section can be arranged on the air supply duct section connected to the outlet of the heating and blowing assembly.

[0063] In other embodiments, the air supply duct may have only a main body section, and the heating fan is disposed at one end of the main body section in the length direction and is connected to the main body section.

[0064] Specific embodiments of the heating and air supply structure for drying a glass slide provided by the utility model include:

[0065] The heating and air supply structure for drying the glass slide is the heating and air supply structure in the specific embodiment of the glass slide drying module, which will not be described in detail here.

[0066] Specific embodiments of the dyeing system provided by the utility model:

[0067] A staining system comprises a frame, a port for feeding a tray is arranged on the frame, a slide drying module, a stainer, a coverslipper, and a curing unit are arranged in the frame, and a transporter for transferring the tray between various parts is also arranged on the frame.

[0068] The rack, stainer, coverslipper, curing unit and transporter are all prior art, and the slide drying module is the slide drying module in the specific embodiment of the above-mentioned slide drying module, which will not be described in detail here.

[0069] Finally, it should be noted that the above is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments without creative work, or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A heating and air supply structure for drying a glass slide, characterized in that: The air supply duct is connected with a heating and blowing assembly for heating the air in the environment and driving the hot air to flow in the air supply duct toward the tail end of the air supply duct. The tail end of the air supply duct is provided with a blowing structure for blowing hot air toward the slide.

2. The heating and air supply structure for drying a glass slide according to claim 1, characterized in that: The blowing structure is a spray hole which is arranged on the air supply duct and communicated with the inner cavity of the air supply duct.

3. The heating and air supply structure for drying a glass slide according to claim 2, characterized in that: The spray hole is a rectangular long hole or a waist-shaped long hole.

4. The heating and air supply structure for drying a glass slide according to claim 2 or 3, characterized in that: The air supply duct includes a main body section, the bottom of which has two inclined walls arranged along the width direction of the main body section, the two inclined walls are connected at an angle and the sharp corners of the connection face downward, spray holes are opened on the two inclined walls and the spray holes on the same inclined wall are arranged at intervals along the length direction of the main body section.

5. The heating and air supply structure for drying a glass slide according to any one of claims 1 to 3, characterized in that: The air supply duct comprises a transition section with a gradually changing cross-sectional size, the small end of the transition section faces the direction of gas flow, and the large end of the transition section is connected to the outlet of the heating and blowing assembly.

6. The heating and air supply structure for drying a glass slide according to any one of claims 1 to 3, characterized in that: The air supply duct includes a main body section, the blowing structure is arranged at the bottom of the main body section, and the air supply duct also includes a connecting section for connecting the main body section and the heating and blowing assembly, and the connecting section is connected to the middle of the main body section.

7. A slide drying module, comprising a protective cover and a heating and air supply structure arranged in the protective cover, characterized in that: The heating and air supply structure is the heating and air supply structure for drying a glass slide as described in any one of claims 1 to 6.

8. The slide drying module according to claim 7, characterized in that: One side of the protective cover is an open structure for the tray to enter and exit and for the hot air to flow out after use.

9. The slide drying module according to claim 7 or 8, characterized in that: The protective cover includes two side panels arranged oppositely and vertically. The air supply channel is a rigid pipe. The air supply channel is fixedly connected to the side panels and forms a connecting beam connecting the two side panels. The protective cover also includes a top plate arranged above the air supply channel and connected to the air supply channel.

10. A staining system, comprising a rack and a slide drying module arranged on the rack, characterized in that: The slide drying module is the slide drying module described in any one of claims 7 to 9.

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