Artificial feed breeding and feeding device for young silkworms

Abstract

The utility model belongs to the technical field of artificial feed breeding and feeding, and discloses a young silkworm artificial feed breeding and feeding device which comprises a rack installed on the ground, a first supporting vertical plate fixedly arranged at the upper end of the right portion of the rack, a second supporting vertical plate fixedly arranged at the upper end of the left portion of the rack, a first motor fixedly arranged at the outer end of the first supporting vertical plate, and a second motor fixedly arranged at the outer end of the second supporting vertical plate. The inner end of the first motor is coaxially connected with a lead screw, the lead screw is fixedly connected with the inner end of the second supporting vertical plate through a rotating shaft, the lead screw is further in threaded connection with a feeding box through a connecting groove, symmetrically-distributed sliding blocks are fixedly arranged at the two ends of the bottom of the feeding box, and symmetrically-distributed sliding grooves are fixedly formed in the upper end of the rack. A sliding block matched with the sliding groove is transversely arranged at the inner end of the sliding groove in a sliding mode. In conclusion, according to different growth periods of young silkworms, the feed can be tableted, the water content of the feed can be adjusted, the water content inside and outside the feed is consistent, the situation that the outside is wet and the inside is dry is avoided, the feeding requirements in different periods are met, and flexibility and convenience are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of artificial feed cultivation and feeding, in particular to an artificial feed cultivation and feeding device for young silkworms. Background Art

[0002] Artificial breeding of silkworms is a batch artificial breeding method that replaces traditional mulberry leaf breeding with artificial feed. It is a technology of raising silkworms with artificially formulated feed according to the feeding characteristics and nutritional needs of mulberry silkworms. Its advantages are that production is not restricted by seasons, feed quality is uniform, and the number of feeding and sand removal is reduced. It can create conditions for realizing industrial silkworm breeding and saving mulberry garden area. The hardness of artificial feed is related to the type and moisture content of the molding agent. Too hard or too soft will affect the feeding of silkworms. Generally, the moisture content in the young silkworm stage is about 75%, which can be reduced to about 70% in the adult silkworm stage. In order to facilitate cutting and feeding, it should not be too sticky, and the moisture content of the feed needs to be controlled.

[0003] The existing feeding method generally uses a knife, a planer or a feeder to cut the feed into strips or slices, or presses it into large thin slices and puts it into the silkworm seat, so that the silkworms feed from the net downward. However, the moisture content of the feed required by young silkworms at different growth stages is different, and the humidity of artificial feed is difficult to control, which is prone to dry outside and wet inside, or wet outside and dry inside, affecting the feeding effect and inconvenient for flexible adjustment. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the utility model provides a method for pressing feed into tablets according to the different growth stages of silkworms and adjusting the moisture content of the feed. This method makes the moisture content inside and outside the feed consistent, and the situation of being wet outside and dry inside will not occur. It can adapt to the feeding needs of different periods and has the advantages of flexibility and convenience.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an artificial feed cultivation and feeding device for silkworms comprises a frame installed on the ground, a first supporting upright plate is fixedly provided at the upper right end of the frame, a second supporting upright plate is fixedly provided at the upper left end of the frame, a first motor is fixedly provided at the outer end of the first supporting upright plate, a screw rod is coaxially connected to the inner end of the first motor, the screw rod is connected and fixed to the inner end of the second supporting upright plate by setting a rotating shaft, the screw rod is also threadedly connected to a feeding box by setting a connecting groove, the connecting groove is fixedly provided at both sides of the bottom of the feeding box and is symmetrically distributed, symmetrically distributed sliders are fixedly provided at both ends of the bottom of the feeding box, symmetrically distributed slide grooves are fixedly provided at the upper end of the frame, and a slider adapted thereto is provided at the inner end of the slide groove for horizontal sliding.

[0006] A feeding mechanism is located above the feeding box;

[0007] The tablet pressing mechanism is located inside the feeding box;

[0008] The temperature and humidity control mechanism is located inside the feeding box;

[0009] The temperature and humidity control mechanism includes a water tank, which is fixedly arranged at the outer end of the feeding box. An atomization bin is fixedly arranged at one end of the inner wall of the bottom of the water tank. A water suction head is fixedly arranged at the outer end of the atomization bin. An atomization duct is fixedly arranged at the upper end of the atomization bin. The atomization duct passes through the water tank and the inner wall of the feeding box and is fixedly connected with a booster nozzle. The booster nozzle is fixedly installed at one end of the inner wall of the feeding box.

[0010] Preferably, a humidity sensor is fixedly provided at one end of the middle inner wall of the feeding box, and a temperature sensor is also fixedly provided at one end of the middle inner wall of the feeding box, and the humidity sensor and the temperature sensor are distributed in parallel, and a dryer for reducing the humidity of the feed flakes is fixedly provided below the humidity sensor and the temperature sensor, and the dryer is fixedly provided on the inner wall of the lower middle part of the feeding box and is symmetrically distributed.

[0011] Preferably, the feeding mechanism includes a feeding funnel, which is fixedly provided at the upper end of a feeding box, a discharge port is fixedly provided at the bottom of the feeding box, and the feeding funnel and the discharge port are fixedly connected to the feeding box, a second motor is fixedly provided at the middle outer end of the feeding funnel, and a spiral stirring blade is coaxially connected to the inner end of the second motor.

[0012] Preferably, the tableting mechanism includes a motor housing for protecting the motor, the motor housing is fixedly mounted at the outer end of the feeding box, and the motor housing is symmetrically distributed, a third motor is fixedly mounted at the inner end of the motor housing, a transmission shaft is fixedly mounted at the inner end of the third motor, a pressing roller for tableting the feed is fixedly mounted at the inner end of the transmission shaft, and the pressing roller is movably connected to the inner wall of the feeding box by setting a connecting shaft.

[0013] Preferably, a feeding area for raising young silkworms is fixedly provided inside the frame, a controller is fixedly provided at the outer end of the first supporting plate, the humidity sensor and the temperature sensor are connected to the controller signal, and the controller is electrically connected to the first motor, the second motor, the third motor, the water pumping head, the atomization chamber, the boost nozzle and the dryer.

[0014] Preferably, a water inlet pipe is fixedly provided at the outer end of the bottom of the water tank, and a water valve is fixedly provided on the water inlet pipe.

[0015] Preferably, the feeding box forms a feeding structure with the feeding area through the discharge port, the frame and the screw rod.

[0016] Preferably, the water tank forms a humidity regulating structure through the booster nozzle and the dryer and the pressure roller.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] 1. The utility model drives the screw rod to rotate through the first motor, and the movement of the screw rod drives the feeding box to move forward and backward to feed the feed into the feeding area inside the frame. The slider moves forward and backward inside the slide groove to provide support force, which can improve the stability of the feeding box operation and facilitate uniform feeding of the silkworms.

[0019] 2. The utility model is used to feed the raw materials of artificial feed through the feeding funnel, and the spiral stirring blade is driven by the second motor to rotate, so as to mix and stir the raw materials in proportion. The stirred raw materials fall onto the pressing roller and are driven by the third motor to rotate the transmission shaft, and the transmission shaft drives the first group of symmetrical and tangent pressing rollers to rotate, so as to facilitate the initial pressing of the feed. The humidity sensor is used to detect the humidity of the initial feed tableting. When the humidity is insufficient, the water in the water tank is introduced into the atomizing bin through the water suction head for atomization, and the atomized water vapor is introduced into the feeding box through the atomizing duct, and then the water mist is sprayed on the feed tablets through the booster nozzle to increase the humidity. The water tank is used to store the water required for humidity adjustment, the water inlet pipe is convenient for adding water to the water tank, and the water valve is convenient for switching. When the humidity of the feed is too high, the temperature sensor and the dryer cooperate with each other to remove excess water through the dryer, so as to facilitate the adjustment of the moisture content of the feed according to the different growth stages of the silkworms.

[0020] 3. After the humidity of the feed is adjusted, the utility model uses a second set of symmetrical and tangent rollers to perform secondary sheeting, which is convenient for improving the quality of the feed sheets. The discharge port is convenient for feeding the extruded sheet feed, and the controller is convenient for adjusting parameters to meet the feeding needs of silkworms at different growth stages. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 It is a schematic diagram of a partial three-dimensional structure of the utility model;

[0023] Figure 3 It is a schematic diagram of a partial three-dimensional structure of the utility model;

[0024] Figure 4 It is a cross-sectional structural diagram of the tablet pressing mechanism and the temperature and humidity control mechanism of the utility model;

[0025] Figure 5 It is a schematic diagram of the side cross-sectional structure of the feeding box of the utility model.

[0026] In the figure: 1, frame; 2, first support plate; 3, second support plate; 4, first motor; 5, screw rod; 6, rotating shaft; 7, feeding box; 8, connecting groove; 9, slider; 10, slide groove;

[0027] 11. Feeding mechanism; 111. Feeding funnel; 112. Second motor; 113. Spiral stirring blade; 114. Discharging port;

[0028] 12. tablet pressing mechanism; 121. motor housing; 122. third motor; 123. transmission shaft; 124. pressing roller; 125. connecting shaft;

[0029] 13. Temperature and humidity control mechanism; 131. Water tank; 132. Water inlet pipe; 133. Water valve; 134. Water pump; 135. Atomization chamber; 136. Atomization duct; 137. Pressurization nozzle; 138. Humidity sensor; 139. Temperature sensor; 140. Dryer;

[0030] 14. Feeding area; 15. Controller. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] like Figures 1 to 5 As shown, the utility model provides an artificial feed cultivation and feeding device for young silkworms, comprising a frame 1 installed on the ground, a first supporting upright plate 2 is fixedly provided at the upper right end of the frame 1, a second supporting upright plate 3 is fixedly provided at the upper left end of the frame 1, the first supporting upright plate 2 and the second supporting upright plate 3 are fixed to the frame 1 by welding, a first motor 4 is fixedly provided at the outer end of the first supporting upright plate 2, a screw rod 5 is coaxially connected to the inner end of the first motor 4, the screw rod 5 is connected and fixed to the inner end of the second supporting upright plate 3 by setting a rotating shaft 6, and the screw rod 5 is also threadedly connected to the feeding box 7 by setting a connecting groove 8, The connecting grooves 8 are fixedly arranged on both sides of the bottom of the feeding box 7 and are symmetrically distributed. The first motor 4 drives the screw rod 5 to rotate, and the screw rod 5 maintains relative motion through the rotating shaft 6. The rotation of the screw rod 5 drives the feeding box 7 to move forward and backward, which is convenient for evenly feeding feed. The two ends of the bottom of the feeding box 7 are fixedly provided with symmetrically distributed sliders 9, and the upper end of the frame 1 is fixedly provided with symmetrically distributed slide grooves 10. The inner end of the slide groove 10 is horizontally slidably provided with a slider 9 adapted thereto. The slider 9 moves forward and backward inside the slide groove 10 to provide support force, which can improve the stability of the feeding box 7 (such as Figure 1 As shown), the feeding mechanism 11 is located above the feeding box 7, the tablet pressing mechanism 12 is located inside the feeding box 7, and the temperature and humidity control mechanism 13 is located on the inner side of the feeding box 7;

[0033] Specifically, the temperature and humidity control mechanism 13 includes a water tank 131, which is used to store water required for humidity adjustment. The water tank 131 is fixedly arranged at the outer end of the feeding box 7, and a water inlet pipe 132 is fixedly arranged at the outer end of the bottom of the water tank 131, and a water valve 133 is fixedly arranged on the water inlet pipe 132. The water inlet pipe 132 is convenient for adding water to the water tank 131, and the water valve 133 is convenient for switching. An atomization bin 135 is fixedly arranged at one end of the inner wall of the bottom of the water tank 131, and a water pumping head 134 is fixedly arranged at the outer end of the atomization bin 135. An atomizing conduit 136 is fixedly arranged at the upper end of the atomizing bin 135, and the atomizing conduit 136 penetrates the inner wall of the water tank 131 and the feeding box 7 and is fixedly connected with the boosting nozzle 137. The boosting nozzle 137 is fixedly installed at one end of the inner wall of the feeding box 7, and the water in the water tank 131 is introduced into the atomizing bin 135 through the water suction head 134 for atomization, and the atomized water vapor is introduced into the feeding box 7 through the atomizing conduit 136, and then the water mist is sprayed on the feed tablets through the boosting nozzle 137 to increase the humidity. Figure 2 , Figure 3 shown.

[0034] A humidity sensor 138 is fixedly provided at one end of the inner wall in the middle of the feeding box 7. The humidity sensor 138 is used to detect the humidity of the initial feed tablets, so as to adjust the moisture content of the feed according to the different growth stages of the silkworms. A temperature sensor 139 is also fixedly provided at one end of the inner wall in the middle of the feeding box 7, and the humidity sensor 138 and the temperature sensor 139 are distributed in parallel. A dryer 140 for reducing the humidity of the feed tablets is fixedly provided below the humidity sensor 138 and the temperature sensor 139. The dryer 140 is fixedly provided on the inner wall of the lower middle part of the feeding box 7 and is symmetrically distributed. The temperature sensor 139 and the dryer 140 cooperate with each other. When the humidity of the feed is too high, the dryer 140 removes excess moisture to facilitate further regulation of the humidity.

[0035] The feeding mechanism 11 includes a feeding hopper 111, which is fixedly arranged at the upper end of the feeding box 7. The feeding hopper 111 is used to place the raw materials of the artificial feed. The bottom of the feeding box 7 is fixedly provided with a discharge port 114, which is convenient for feeding the extruded sheet-shaped feed, and the feeding funnel 111 and the discharge port 114 are fixedly connected to the feeding box 7. The second motor 112 is fixedly arranged at the middle outer end of the feeding funnel 111, and the inner end of the second motor 112 is coaxially connected with a spiral stirring blade 113. The spiral stirring blade 113 is driven by the second motor 112 to rotate, so as to facilitate the mixing and stirring of the raw materials. Figure 3 shown.

[0036] The tableting mechanism 12 includes a motor housing 121 for protecting the motor. The motor housing 121 is fixedly arranged at the outer end of the feeding box 7, and the motor housing 121 is symmetrically distributed. The third motor 122 is fixedly arranged at the inner end of the motor housing 121. The inner end of the third motor 122 is fixedly provided with a transmission shaft 123. The inner end of the transmission shaft 123 is fixedly provided with a pressing roller 124 for tableting the feed. The pressing roller 124 is movably connected to the inner wall of the feeding box 7 by setting a connecting shaft 125. The transmission shaft 123 is driven to rotate by the third motor 122, and the transmission shaft 123 drives the first group of symmetrically tangent pressing rollers 124 to rotate, which is convenient for initial tableting of the feed. After the humidity of the feed is adjusted, the second group of symmetrically tangent pressing rollers 124 are used for secondary tableting, which is convenient for improving the quality of feed tableting. Figure 4 , Figure 5 shown.

[0037] A feeding area 14 for raising young silkworms is fixedly provided inside the frame 1, a controller 15 is fixedly provided at the outer end of the first supporting plate 2, a humidity sensor 138 and a temperature sensor 139 are signal-connected to the controller 15, the controller 15 is electrically connected to the first motor 4, the second motor 112, the third motor 122, the water drawing head 134, the atomizing bin 135, the boost nozzle 137 and the dryer 140, and parameter adjustment can be easily performed through the controller 15 to meet the needs of feeding young silkworms at different growth stages, which is flexible and convenient.

[0038] Furthermore, the feeding box 7 forms a feeding structure through the discharge port 114, the frame 1 and the screw rod 5 and the feeding area 14. The movement of the screw rod 5 drives the feeding box 7 to move back and forth to feed the feed into the feeding area 14 inside the frame 1, which is convenient for feeding the young silkworms.

[0039] The water tank 131 forms a humidity regulating structure with the pressure roller 124 through the pressure nozzle 137 and the dryer 140. The pressure nozzle 137 sprays water mist to increase the moisture content of the feed tablets. The dryer 140 dries the feed tablets to reduce the moisture content of the feed tablets, which is convenient for flexible regulation.

[0040] Among them, the first motor 4, the second motor 112, the third motor 122, the screw rod 5 and the water valve 133 are all prior art, and their structural principles are not described in detail. The device also includes a switch, a power supply, power supply wires, a humidity sensor 138, a temperature sensor 139, a dryer 140 and a controller 15, etc., which are not the main technologies and are not described in detail. The power supply and the electrical equipment of the device are connected through wires. The humidity sensor 138 is a non-contact sensor.

[0041] Principle and process of this utility model:

[0042] First, the first motor 4 drives the rotating shaft 6 to rotate, thereby driving the screw rod 5 to rotate. The rotation of the screw rod 5 drives the feeding box 7 to move forward and backward, so that the feed can be evenly fed through the discharge port 114. The slider 9 moves forward and backward inside the slide 10 to provide support force, which can improve the stability of the feeding box 7.

[0043] Then, the feeding hopper 111 is used to put the raw materials of the artificial feed, and the spiral stirring blade 113 is driven by the second motor 112 to rotate so as to mix and stir the raw materials in proportion. The stirred raw materials fall onto the two pressing rollers 124, and the transmission shaft 123 is driven by the third motor 122 to rotate, and the transmission shaft 123 drives the first group of symmetrical and tangent pressing rollers 124 to rotate, so as to facilitate the initial tableting of the feed. The humidity sensor 138 is used to detect the humidity of the initial feed tableting. When the humidity is insufficient, the water in the water tank 131 is pumped into the water tank 131 through the water pumping head 134. The water is introduced into the atomizing bin 135 for atomization, and the atomized water vapor is introduced into the feeding box 7 through the atomizing duct 136, and then the water mist is sprayed on the feed tablets through the booster nozzle 137 to increase the humidity. The water tank 131 is used to store the water required for humidity adjustment, the water inlet pipe 132 is convenient for adding water to the water tank 131, and the water valve 133 is convenient for switching. When the humidity of the feed is too high, the temperature sensor 139 and the dryer 140 cooperate with each other to remove excess water through the dryer 140, so as to adjust the moisture content of the feed according to the different growth stages of the silkworms.

[0044] Finally, after the humidity of the feed is adjusted, the second set of symmetrically tangent rollers 124 perform secondary sheeting to improve the quality of the feed sheets. The discharge port 114 is convenient for feeding the extruded sheet feed. The controller 15 is convenient for parameter adjustment to meet the needs of feeding silkworms at different growth stages and facilitate adjustment.

[0045] In summary, the device is convenient for pressing feed into tablets according to the different growth stages of silkworms, and adjusting the different moisture contents of feed. This method makes the moisture content inside and outside the feed consistent, and there will be no situation where the outside is wet and the inside is dry. It can adapt to the feeding needs of different periods and is flexible and convenient.

[0046] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A feeding device for artificial feed cultivation of young silkworms, characterized in that: The invention comprises a frame (1) installed on the ground, wherein a first supporting upright plate (2) is fixedly arranged at the upper right end of the frame (1), a second supporting upright plate (3) is fixedly arranged at the upper left end of the frame (1), a first motor (4) is fixedly arranged at the outer end of the first supporting upright plate (2), a screw rod (5) is coaxially connected to the inner end of the first motor (4), the screw rod (5) is connected and fixed to the inner end of the second supporting upright plate (3) by arranging a rotating shaft (6), the screw rod (5) is also threadedly connected to a feeding box (7) by arranging a connecting groove (8), the connecting groove (8) is fixedly arranged on both sides of the bottom of the feeding box (7) and is symmetrically distributed, symmetrically distributed sliders (9) are fixedly arranged at both ends of the bottom of the feeding box (7), the upper end of the frame (1) is fixedly provided with symmetrically distributed slide grooves (10), the inner end of the slide groove (10) is provided with a slider (9) adapted thereto for transverse sliding, A feeding mechanism (11) is located above the feeding box (7); A tablet pressing mechanism (12) is located inside the feeding box (7); A temperature and humidity control mechanism (13) is located inside the feeding box (7); The temperature and humidity control mechanism (13) comprises a water tank (131), the water tank (131) is fixedly arranged at the outer end of the feeding box (7), an atomizing bin (135) is fixedly arranged at one end of the inner wall of the bottom of the water tank (131), a water pumping head (134) is fixedly arranged at the outer end of the atomizing bin (135), an atomizing conduit (136) is fixedly arranged at the upper end of the atomizing bin (135), the atomizing conduit (136) passes through the water tank (131) and the inner wall of the feeding box (7) and is fixedly connected to a booster nozzle (137), and the booster nozzle (137) is fixedly installed at one end of the inner wall of the feeding box (7).

2. The artificial feed feeding device for cultivating young silkworms according to claim 1, characterized in that: A humidity sensor (138) is fixedly provided at one end of the inner wall in the middle of the feeding box (7), and a temperature sensor (139) is also fixedly provided at one end of the inner wall in the middle of the feeding box (7), and the humidity sensor (138) and the temperature sensor (139) are arranged in parallel, and a dryer (140) for reducing the humidity of the feed flakes is fixedly provided below the humidity sensor (138) and the temperature sensor (139), and the dryer (140) is fixedly provided on the inner wall in the lower middle part of the feeding box (7) and is symmetrically distributed.

3. The artificial feed feeding device for cultivating young silkworms according to claim 1, characterized in that: The feeding mechanism (11) comprises a feeding funnel (111), the feeding funnel (111) is fixedly arranged at the upper end of a feeding box (7), a discharge port (114) is fixedly arranged at the bottom of the feeding box (7), and the feeding funnel (111) and the discharge port (114) are fixedly connected to the feeding box (7), a second motor (112) is fixedly arranged at the middle outer end of the feeding funnel (111), and a spiral stirring blade (113) is coaxially connected to the inner end of the second motor (112).

4. The artificial feed feeding device for cultivating young silkworms according to claim 1, characterized in that: The tableting mechanism (12) comprises a motor housing (121) for protecting a motor, the motor housing (121) being fixedly arranged at the outer end of a feeding box (7), and the motor housing (121) being symmetrically arranged, a third motor (122) being fixedly arranged at the inner end of the motor housing (121), a transmission shaft (123) being fixedly arranged at the inner end of the third motor (122), a pressing roller (124) for tableting feed being fixedly arranged at the inner end of the transmission shaft (123), and the pressing roller (124) being movably connected to the inner wall of the feeding box (7) by means of a connecting shaft (125).

5. The artificial feed feeding device for cultivating young silkworms according to claim 2, characterized in that: A feeding area (14) for raising young silkworms is fixedly provided inside the frame (1), a controller (15) is fixedly provided at the outer end of the first supporting upright plate (2), the humidity sensor (138) and the temperature sensor (139) are signal-connected to the controller (15), and the controller (15) is electrically connected to the first motor (4), the second motor (112), the third motor (122), the water pumping head (134), the atomizing chamber (135), the boost nozzle (137) and the dryer (140).

6. The artificial feed feeding device for cultivating young silkworms according to claim 1, characterized in that: A water inlet pipe (132) is fixedly provided at the outer end of the bottom of the water tank (131), and a water valve (133) is fixedly provided on the water inlet pipe (132).

7. The artificial feed feeding device for cultivating young silkworms according to claim 1, characterized in that: The feeding box (7) forms a feeding structure with the feeding area (14) through the discharge port (114), the frame (1) and the screw rod (5).

8. The artificial feed feeding device for cultivating young silkworms according to claim 1, characterized in that: The water tank (131) forms a humidity regulating structure with the pressure roller (124) through the booster nozzle (137) and the dryer (140).

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