Pet feed drying and conveying device with preheating function

Abstract

The pet feed drying and conveying device with the preheating function comprises a conveying pipe, a spiral conveyor is arranged in the conveying pipe, a preheating mechanism is arranged on the outer side of the conveying pipe, and the preheating mechanism is used for preheating feed conveyed in the conveying pipe through waste heat gas of dried feed. According to the pet feed drying device, when pet feed is conveyed into the feed drying machine through the conveying pipe to be dried, hot air with waste heat discharged from the feed drying machine can be discharged into the outer heat preservation pipe through the air inlet, so that the hot air preheats the feed conveyed in the conveying pipe; on one hand, waste heat utilization of hot air exhausted by the feed drying machine is achieved, heat energy loss is reduced, feed is preheated through the hot air, on the other hand, the feed drying speed is increased, the temperature needed by follow-up drying is reduced through mild preheating, damage of high temperature to feed nutritional ingredients is avoided, and the service life of equipment is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of pet food processing and conveying, in particular to a pet food drying and conveying device with a preheating function. Background Art

[0002] In the current pet food production process, drying and conveying are two crucial links. Traditional pet food drying and conveying devices usually adopt the method of direct heating and drying, that is, high-temperature gas generated by a hot blast stove directly blows on the feed to remove moisture, and then the dried feed is transported to the next process through a conveyor belt. Although this method can meet the production requirements to a certain extent, there are the following significant disadvantages:

[0003] High energy consumption: Direct heating requires a large amount of energy to maintain the operation of the hot blast stove, and the heat transfer efficiency is not high, resulting in energy waste.

[0004] Uneven drying: Due to uneven hot air distribution, the drying degree of the feed is different, affecting the product quality.

[0005] Loss of feed nutrition: The direct action of high temperature may cause some nutritional components in the feed to be damaged, reducing the nutritional value of the feed. Content of the Utility Model

[0006] The purpose of the utility model is to overcome the problems in the prior art that when high-temperature gas generated by a hot blast stove directly blows on the feed to remove moisture, direct heating requires a large amount of energy to maintain the operation of the hot blast stove, and the heat transfer efficiency is not high, resulting in energy waste, due to uneven hot air distribution, the drying degree of the feed is different, affecting the product quality, and the direct action of high temperature may cause some nutritional components in the feed to be damaged, reducing the nutritional value of the feed. A pet food drying and conveying device with a preheating function is provided. When the pet food is conveyed into the feed dryer through a conveying pipe for drying, the hot gas with residual heat discharged from the feed dryer can be discharged into the outer insulation pipe through the air inlet, so that the hot gas preheats the feed conveyed in the conveying pipe. On the one hand, the waste heat of the hot gas discharged from the feed dryer is utilized, reducing the heat energy loss, and on the other hand, the feed is preheated by the hot gas, which improves the drying speed of the feed. Secondly, the gentle preheating reduces the temperature required for subsequent drying, avoids the destruction of the nutritional components of the feed by high temperature, and also prolongs the service life of the equipment.

[0007] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0008] The utility model discloses a pet food drying and conveying device with a preheating function, which comprises a conveying pipe. A screw conveyor is arranged inside the conveying pipe, and a preheating mechanism is arranged outside the conveying pipe, which is used to preheat the feed conveyed in the conveying pipe by using the waste heat gas of the dried feed.

[0009] The preheating mechanism comprises an outer heat-insulating pipe, which is sleeved on one side of the conveying pipe. A gap is arranged between the outer heat-insulating pipe and the conveying pipe. A hollow air outlet cover is arranged between one end of the outer heat-insulating pipe and the conveying pipe. The other end of the outer heat-insulating pipe is connected to a filtering section in a conducting manner, and one end of the filtering section far away from the outer heat-insulating pipe is connected to an air inlet in a conducting manner. During use, the air inlet can be connected to the exhaust outlet of the feed dryer, so that the hot gas with waste heat discharged from the feed dryer is discharged into the outer heat-insulating pipe through the air inlet, thereby preheating the feed conveyed in the conveying pipe by the hot gas.

[0010] Preferably, the cross-section of the filtering section is in a parallelogram structure. A slag collection box is bolted to the bottom of the filtering section. A filter screen is fixedly connected inside the filtering section and is arranged vertically. A guide plate is arranged on the inner wall of the filtering section at the connection with the slag collection box, and the guide plate is used to guide the residues cleaned on the filter screen to the slag collection box.

[0011] Preferably, a partition plate is welded inside the slag collection box. The partition plate divides the interior of the slag collection box into two storage spaces. One is used for collecting the filtered residues, and the other is provided with a cleaning component, which is used to automatically clean the filter screen. The cleaning component comprises a cleaning rod inserted on the guide plate. A scraping plate is fixed at the top of the cleaning rod, and the scraping plate is tangent to the filter screen. An inverted concave seat is fixed at the bottom of the cleaning rod. A driving motor is installed on one side wall of the partition plate. A cylindrical seat is fixed on the output shaft of the driving motor. A wavy sliding groove is arranged on the outer wall of the cylindrical seat along its circumferential direction. Sliding blocks are welded on the inner walls of the two vertical ends of the inverted concave seat, and the sliding blocks are slidably connected with the sliding groove.

[0012] Preferably, a feeding port is welded on the upper surface of one end of the conveying pipe along the length direction. The feeding port is in a rectangular structure. During use, feed can be put through the feeding port, and then the screw conveyor inside the conveying pipe is controlled to work, and the feed put through the feeding port is conveyed through the conveying pipe to the feed dryer for drying and processing.

[0013] Preferably, an installation component is arranged at one end of the conveying pipe along the length direction, and a driving component is arranged on the installation component, and the driving component is used to drive the screw conveyor to work to realize the conveying and transportation of the feed.

[0014] Preferably, the mounting assembly includes a mounting base, which is bolted to the outer wall of one end of the conveying pipe along the length direction and is arranged perpendicular to the conveying pipe. The outer surface of the mounting base is bolted to a first mounting frame and a second mounting frame, and the first mounting frame and the second mounting frame are arranged parallel to the conveying pipe.

[0015] Preferably, the driving assembly includes two bearing seats and a driving shaft, the two bearing seats are bolted to the second mounting frame, the driving shaft is fixed to the two bearing seats, and the driving shaft is connected to the screw conveyor through a coupling, a first pulley is fixed at the middle position of the driving shaft, a conveying motor is bolted to the first mounting frame, a second pulley is fixed to the output shaft of the conveying motor, and the first pulley and the second pulley are connected by belt transmission.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The pet food drying and conveying device with a preheating function, when in use, when the pet food is conveyed to the feed dryer through the conveying pipe for drying, the hot air with residual heat discharged from the feed dryer can be discharged into the outer insulation pipe through the air inlet, so that the hot air preheats the feed conveyed in the conveying pipe. On the one hand, the residual heat of the hot air discharged from the feed dryer is utilized to reduce heat energy loss, and the feed is preheated by the hot air, which improves the drying speed of the feed. Secondly, the gentle preheating reduces the temperature required for subsequent drying, avoids the damage of high temperature to the nutritional components of the feed, and also prolongs the service life of the equipment.

[0018] Secondly, by providing a filter section with a parallelogram cross-section and vertically arranging a filter net in the filter section, the filter area of the filter net can be optimally increased within a limited volume, thereby improving its filter efficiency. The filter net is arranged in a vertical direction, which can also reduce the adhesion of filter residues on the filter net and facilitate the cleaning of filter residues on the filter net. In combination with a cleaning component, the filter net can be automatically cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is the front view of the utility model;

[0021] Figure 3 For the utility model Figure 1 A magnified view of area A in;

[0022] Figure 4 It is a cross-sectional view of the filter section in the utility model;

[0023] Figure 5 In the present utility model Figure 4 is an enlarged view of area B;

[0024] Figure 6 is a bottom view of the concave seat in the present utility model.

[0025] Reference numerals: 1, conveying pipe; 11, screw conveyor; 12, feeding port; 13, installation assembly; 131, installation base; 132, first mounting frame; 133, second mounting frame; 14, driving assembly; 141, bearing seat; 142, driving shaft; 143, first pulley; 144, conveying motor; 145, second pulley; 146, belt; 2, preheating mechanism; 21, outer insulation pipe; 22, hollow air outlet cover; 23, filtering section; 231, filter screen; 232, slag collection box; 233, guide plate; 234, cleaning rod; 235, scraper; 236, partition plate; 237, cleaning assembly; 238, concave seat; 239, slider; 241, cylindrical seat; 242, chute; 243, driving motor; 24, air inlet. Detailed implementation manners

[0026] The following further describes the detailed implementation manners of a pet food drying and conveying device with a preheating function according to the present utility model in conjunction with the attached Figure 1 - attached Figure 6 , to overcome the problems in the prior art that when high-temperature gas generated by a hot blast stove directly blows on the feed to remove moisture, there are problems such as a large amount of energy required to maintain the operation of the hot blast stove for direct heating, and the heat transfer efficiency is not high, resulting in energy waste. Due to uneven hot air distribution, the drying degree of the feed is inconsistent, affecting the product quality. The direct action of high temperature may cause some nutrients in the feed to be damaged, reducing the nutritional value of the feed. A pet food drying and conveying device with a preheating function is provided. When the pet food is conveyed into the feed dryer through the conveying pipe for drying, the hot air with residual heat discharged from the feed dryer can be discharged into the outer insulation pipe through the air inlet, so that the hot air preheats the feed conveyed in the conveying pipe. On the one hand, the waste heat of the hot air discharged from the feed dryer is utilized, reducing heat energy loss. And by preheating the feed with hot air, on the one hand, the drying speed of the feed is increased, and secondly, the gentle preheating reduces the temperature required for subsequent drying, avoiding the destruction of feed nutrients by high temperature and also extending the equipment life. The pet food drying and conveying device with a preheating function according to the present utility model is not limited to the description of the following embodiments.

[0027] Embodiment 1

[0028] A pet food drying and conveying device with a preheating function, comprising a conveying pipe 1. A screw conveyor 11 is arranged inside the conveying pipe 1. On the upper surface of one end of the conveying pipe 1 along the length direction, a feeding port 12 is welded. The feeding port 12 is of a rectangular structure;

[0029] Specifically, during use, the feed can be put in through the feeding port 12, and then the screw conveyor 11 inside the conveying pipe 1 is controlled to work, and the feed put in through the feeding port 12 is conveyed through the conveying pipe 1 to a feed dryer for drying and processing;

[0030] A preheating mechanism 2 is arranged outside the conveying pipe 1, which is used to preheat the feed conveyed inside the conveying pipe 1 by using the waste heat gas of the dried feed. The preheating mechanism 2 includes an outer heat preservation pipe 21. The outer heat preservation pipe 21 is sleeved on one side of the conveying pipe 1. There is a gap between the outer heat preservation pipe 21 and the conveying pipe 1. A hollow air outlet cover 22 is arranged between one end of the outer heat preservation pipe 21 and the conveying pipe 1. The other end of the outer heat preservation pipe 21 is connected in a conducting manner to a filtering section 23, and the end of the filtering section 23 far away from the outer heat preservation pipe 21 is connected in a conducting manner to an air inlet 24.

[0031] Specifically, during use, the air inlet 24 can be connected to the exhaust outlet of the feed dryer, so that the hot gas with waste heat discharged from the feed dryer is discharged into the outer heat preservation pipe 21 through the air inlet 24, thereby enabling the hot gas to preheat the feed conveyed inside the conveying pipe 1;

[0032] In this embodiment, during use, when the pet food is conveyed into the feed dryer through the conveying pipe 1 for drying, the hot gas with waste heat discharged from the feed dryer can be discharged into the outer heat preservation pipe 21 through the air inlet 24, thereby enabling the hot gas to preheat the feed conveyed inside the conveying pipe 1. On the one hand, it realizes the waste heat utilization of the hot gas discharged from the feed dryer, reduces the heat energy loss, and on the other hand, preheats the feed with the hot gas, which improves the drying speed of the feed. Secondly, the gentle preheating reduces the temperature required for subsequent drying, avoids the destruction of the feed nutrients by high temperature, and also extends the service life of the equipment.

[0033] Embodiment 2

[0034] The cross-section of the filtering section 23 is of a parallelogram structure. A slag collecting box 232 is bolted to the bottom of the filtering section 23. A filter net 231 is fixedly connected inside the filtering section 23, and the filter net 231 is arranged vertically. A flow guiding plate 233 is arranged on the inner wall of the filtering section 23 at the connection with the slag collecting box 232.

[0035] Specifically, the cross-section of the filtering section 23 is provided with a parallelogram structure, and then the filter screen 231 is arranged vertically in the filtering section 23, so as to optimally increase the filtering area of the filter screen 231 within a limited volume, improve its filtering efficiency, and the vertical arrangement of the filter screen 231 can also reduce the adhesion of filter residues on the filter screen 231 and facilitate the cleaning of filter residues on the filter screen 231.

[0036] A partition plate 236 is welded in the slag collecting box 232. The partition plate 236 divides the interior of the slag collecting box 232 into two storage spaces. One is used for collecting filter residues, and the other is provided with a cleaning component 237. The cleaning component 237 is used for automatically cleaning the filter screen 231. The cleaning component 237 includes a cleaning rod 234 inserted on the diversion plate 233. A scraper 235 is fixed at the top end of the cleaning rod 234. The scraper 235 is tangent to the filter screen 231. A concave-shaped seat 238 is fixed at the bottom end of the cleaning rod 234. A driving motor 243 is installed on one side wall of the partition plate 236. A cylindrical seat 241 is fixed on the output shaft of the driving motor 243. A wavy chute 242 is formed on the outer wall of the cylindrical seat 241 along its circumferential direction. Sliders 239 are welded on the inner walls of the two vertical ends of the concave-shaped seat 238, and the sliders 239 are slidably connected with the chute 242.

[0037] Specifically, by providing the cleaning component 237, during use, the filter screen 231 can be cleaned in real time, ensuring the stability of the use of the filter screen 231. The residues generated by the cleaning can be collected through the slag collecting box 232, and the residues can be collected and processed by regularly cleaning the slag collecting box 232.

[0038] In this embodiment, by providing a filtering section 23 with a parallelogram cross-section structure and vertically arranging a filter screen 231 in the filtering section 23, the filtering area of the filter screen 231 is optimally increased within a limited volume, improving its filtering efficiency. The vertical arrangement of the filter screen 231 can also reduce the adhesion of filter residues on the filter screen 231 and facilitate the cleaning of filter residues on the filter screen 231;

[0039] Cooperating with the cleaning component 237, the automatic cleaning of the filter screen 231 is realized. The working mode of the cleaning component 237 is to control the driving motor 243 to work. The driving motor 243 drives the cylindrical seat 241 to rotate, so that the slider 239 moves up and down in the wavy chute 242 formed on the outer wall of the cylindrical seat 241. The slider 239 drives the concave-shaped seat 238 to move up and down. The concave-shaped seat 238 drives the scraper 235 to move up and down through the cleaning rod 234, realizing the automatic cleaning of the filter screen 231.

[0040] Embodiment 3

[0041] A mounting assembly 13 is provided at one end of the conveying pipe 1 along the length direction, and a driving assembly 14 is provided on the mounting assembly 13. The driving assembly 14 is used to drive the screw conveyor 11 to work, so as to realize the conveying and transportation of the feed.

[0042] The mounting assembly 13 includes a mounting base 131, which is bolted to the outer wall of one end of the conveying pipe 1 along the length direction and is arranged perpendicular to the conveying pipe 1. The outer surface of the mounting base 131 is bolted with a first mounting frame 132 and a second mounting frame 133, and the first mounting frame 132 and the second mounting frame 133 are arranged parallel to the conveying pipe 1.

[0043] The driving assembly 14 includes two bearing seats 141 and a driving shaft 142. The two bearing seats 141 are bolted to the second mounting frame 133. The driving shaft 142 is fixed to the two bearing seats 141, and the driving shaft 142 is connected to the screw conveyor 11 through a coupling. A first pulley 143 is fixed at the middle position of the driving shaft 142. A conveying motor 144 is bolted to the first mounting frame 132. A second pulley 145 is fixed to the output shaft of the conveying motor 144. The first pulley 143 and the second pulley 145 are connected through a belt 146.

[0044] Specifically, the installation component 13 is used to install the driving component 14, and the driving component 14 is used to drive the screw conveyor 11 provided in the conveying pipe 1 to work, so as to realize the conveying of feed.

[0045] In this embodiment, the specific way in which the driving component 14 drives the screw conveyor 11 to work is to control the conveying motor 144 to work, the conveying motor 144 drives the second pulley 145 to rotate, the second pulley 145 drives the first pulley 143 to rotate through the belt 146, and the driving shaft 142 is driven to rotate through the first pulley 143, and the driving shaft 142 drives the screw conveyor 11 to rotate, thereby realizing the transportation of feed.

[0046] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A pet food drying and conveying device with a preheating function, comprising a conveying pipe (1), wherein a screw conveyor (11) is arranged inside the conveying pipe (1), and it is characterized in that, A preheating mechanism (2) is arranged on the outer side of the conveying pipe (1), which is used to preheat the feed conveyed in the conveying pipe (1) by using the waste heat gas of the dried feed. The preheating mechanism (2) includes an outer heat-insulating pipe (21), the outer heat-insulating pipe (21) is sleeved on one side of the conveying pipe (1), a gap is arranged between the outer heat-insulating pipe (21) and the conveying pipe (1), a hollow-out air outlet cover (22) is arranged between one end of the outer heat-insulating pipe (21) and the conveying pipe (1), the other end of the outer heat-insulating pipe (21) is conductively connected to a filtering section (23), and the end of the filtering section (23) far away from the outer heat-insulating pipe (21) is conductively connected to an air inlet (24).

2. The pet food drying and conveying device with a preheating function according to claim 1, characterized in that: The cross-section of the filtering section (23) is a parallelogram structure, a slag collection box (232) is bolted and fixed at the bottom of the filtering section (23), a filter screen (231) is fixedly connected in the filtering section (23), and the filter screen (231) is arranged vertically. A flow guide plate (233) is arranged on the inner wall of the filtering section (23) at the connection with the slag collection box (232).

3. The pet food drying and conveying device with a preheating function according to claim 2, wherein: A partition plate (236) is welded in the slag collection box (232), the partition plate (236) divides the interior of the slag collection box (232) into two storage spaces, one is used for collecting filtering residues, and a cleaning component (237) is arranged in the other, the cleaning component (237) is used for automatically cleaning the filter screen (231), the cleaning component (237) includes a cleaning rod (234) inserted on the flow guide plate (233), a scraping plate (235) is fixed at the top end of the cleaning rod (234), the scraping plate (235) is tangent to the filter screen (231), a concave-shaped seat (238) is fixed at the bottom end of the cleaning rod (234), a driving motor (243) is installed on one side wall of the partition plate (236), a cylindrical seat (241) is fixed on the output shaft of the driving motor (243), a wavy sliding groove (242) is arranged on the outer wall of the cylindrical seat (241) along its circumferential direction, and sliding blocks (239) are welded on the inner walls of the two vertical ends of the concave-shaped seat (238), and the sliding blocks (239) are slidably connected with the sliding groove (242).

4. A pet food drying and conveying device with a preheating function according to claim 1, characterized in that: A feeding port (12) is welded on the upper surface of one end of the conveying pipe (1) along the length direction, and the feeding port (12) is a rectangular structure.

5. The pet food drying and conveying device with a preheating function according to claim 4, characterized in that: An installation component (13) is arranged at one end of the conveying pipe (1) along the length direction, a driving component (14) is arranged on the installation component (13), and the driving component (14) is used to drive the screw conveyor (11) to work to realize the conveying and transportation of the feed.

6. The pet food drying and conveying device with a preheating function according to claim 5, characterized in that: The installation component (13) includes an installation base (131), the installation base (131) is bolted and fixed on the outer wall of one end of the conveying pipe (1) along the length direction and is arranged perpendicular to the conveying pipe (1), a first installation frame (132) and a second installation frame (133) are bolted and fixed on the outer surface of the installation base (131), and the first installation frame (132) and the second installation frame (133) are arranged parallel to the conveying pipe (1).

7. A pet food drying and conveying device with a preheating function according to claim 6, characterized in that: The driving assembly (14) includes two bearing seats (141) and a driving shaft (142). The two bearing seats (141) are bolted to the second mounting bracket (133). The driving shaft (142) is fixed on the two bearing seats (141), and the driving shaft (142) is in transmission connection with the screw conveyor (11) through a coupling. A first pulley (143) is fixed at the middle position of the driving shaft (142). A conveying motor (144) is bolted to the first mounting bracket (132). A second pulley (145) is fixed on the output shaft of the conveying motor (144). The first pulley (143) and the second pulley (145) are in transmission connection through a belt (146).

Images