Microwave sludge dryer

Abstract

The application discloses a microwave sludge drying machine and relates to the field of sludge drying. The microwave sludge drying machine comprises a drying mechanism, a pickup mechanism and a conveying mechanism. The drying mechanism comprises an outer shell, a microwave fractal assembly and a wave heat drying assembly arranged on the inner wall top of the outer shell, a fan installed on the outer wall of the outer shell and the conveying mechanism installed in the outer shell. The pickup mechanism comprises a driving element fixed on the outer shell, a pickup element connected to the outer side of the driving element, a guide element installed on the outer side of the pickup element and an adjusting element penetrating through the inside of the guide element. The linkage cooperation among the driving element, the pickup element and the guide element can pick up the sludge block conveyed into the inside of the drying mechanism by the conveying mechanism and make the sludge block move in a circular motion in the inside of the drying mechanism, so that the distance between the sludge block and the wave heat drying assembly changes, the drying dead angle of the sludge block can be reduced, the bottom and everywhere of the sludge block can be effectively dried and the drying effect of the wave heat drying assembly on the sludge block is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to sludge drying technology, in particular to a microwave sludge drying machine. BACKGROUND

[0002] In the process of treating domestic sewage or other sewage, a large amount of sludge is generated. At present, the method of drying the sludge is adopted to convert the sludge into biochar with high calorific value, so as to realize the resource utilization of sludge, reduce emissions, and realize the rational utilization of waste. After material screening and mechanical granulation, the sludge is finally dried into biochar in the drying machine. In the existing drying process, the granulated sludge block is transported to the inside of the drying machine by the conveying assembly. In this process, the bottom of the sludge block is far away from the wave heat assembly and is shielded, so that the drying machine has a certain drying dead angle for the sludge block. If complete drying is to be achieved, the sludge block needs to stay in the drying machine for a long time, which makes it difficult to guarantee the drying effect and reduces the drying efficiency, and it is difficult to meet the use requirements of users. Therefore, a microwave sludge drying machine is proposed. SUMMARY

[0003] The purpose of the present application is to provide a microwave sludge drying machine to solve the above-mentioned problems in the prior art.

[0004] In order to achieve the above-mentioned purpose, the present application provides the following technical scheme: including a drying mechanism, which comprises an outer shell, a microwave fractal assembly and a wave heat drying assembly arranged on the inner wall top of the outer shell, a fan installed on the outer wall of the outer shell, and a conveying assembly installed in the outer shell; and

[0005] The material picking mechanism comprises a driving member fixed on the outer shell, a picking member connected to the outer side of the driving member, a guide member installed on the outer side of the picking member, an adjusting member penetrating through the inside of the guide member, a positioning member arranged on the adjusting member, and a cleaning member installed on the outer side of the picking member.

[0006] As a further description of the above technical scheme: the driving member comprises a motor installed on the outer wall of the outer shell, and a driving gear connected to the motor through a shaft coupling penetrating into the inside of the outer shell; the driving gear is connected to a driven gear sleeve on the outer side.

[0007] The driving gear and the driven gear sleeve are in meshing cooperation.

[0008] As a further description of the above technical scheme: the picking member comprises a base plate connected to the end face of the driven gear sleeve, two clamping plates symmetrically installed in the inside of the base plate, an outwardly expanding spring installed between the two clamping plates, and an abutting head integrally arranged on the top of the clamping plate.

[0009] As a further description of the above technical scheme: the guide member is symmetrically arranged with respect to the picking member.

[0010] The guide comprises a guide rod fixed to the inner wall of the shell, a fixed plate movably mounted on the outer part of the guide rod, an adjusting head arranged on the inner side of the fixed plate, and an annular rail connected to the outer side of the fixed plate, wherein a release opening is arranged on the annular rail.

[0011] As a further description of the above technical solution, the abutting head is in abutment with the annular rail.

[0012] The release opening is arranged in a concave manner.

[0013] As a further description of the above technical solution, the adjusting member comprises a rotating rod rotatably mounted on the inner wall of the shell, and an adjusting groove is arranged on the surface of the rotating rod.

[0014] As a further description of the above technical solution, the adjusting groove is symmetrically arranged with respect to the pickup member.

[0015] The adjusting groove is arranged in an inclined manner on the rotating rod, and the adjusting groove and the adjusting head are in sliding fit.

[0016] As a further description of the above technical solution, the positioning member comprises a positioning rod penetrating through the end of the rotating rod, a positioning spring is sleeved on the outer side of the positioning rod, a first magnet is arranged on the outer wall of the end of the positioning rod, a second magnet is arranged on the outer side of the first magnet, a friction block is arranged on the outer side of the second magnet, and a positioning ring is arranged on the outer side of the friction block.

[0017] The positioning ring is fixed to the shell.

[0018] As a further description of the above technical solution, the first magnet and the second magnet repel each other.

[0019] The friction block is in abutment with the positioning ring.

[0020] As a further description of the above technical solution, the cleaning member comprises a scraper fixed to the outer side of the base plate, a connecting pipe communicated with the top of the scraper, and a collecting disc communicated with the end of the connecting pipe.

[0021] In the above technical solution, the microwave sludge drying machine provided by the application can pick up the sludge block conveyed into the drying mechanism by the conveying assembly and make it move in a ring shape in the drying mechanism through the linkage cooperation between the driving member, the picking member and the guide member, so that the distance between the sludge block and the wave heat drying assembly changes, the drying dead angle of the sludge block is reduced, the bottom and all parts of the sludge block can be effectively dried, the drying effect of the wave heat drying assembly on the sludge block is improved, the picking width of the picking member can be adjusted under the setting of the adjusting member, the picking and drying requirements of different sludge blocks are met, the synchronous cleaning of the residual sludge on the conveying assembly and the water vapor and peculiar smell in the device can be realized under the synchronous rotation of the cleaning member and the picking member, the smooth drying is ensured, and the workload of the user for cleaning the inside of the device is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0023] Figure 1 The overall structure schematic diagram provided by the embodiment of the present application is provided.

[0024] Figure 2 The internal structure schematic diagram of the drying mechanism provided by the embodiment of the present application is provided.

[0025] Figure 3 The structure schematic diagram of the driving member provided by the embodiment of the present application is provided.

[0026] Figure 4 The cooperation structure schematic diagram of the guide member and the adjusting member provided by the embodiment of the present application is provided.

[0027] Figure 5 The structure schematic diagram of the positioning member provided by the embodiment of the present application is provided.

[0028] Figure 6 The structure schematic diagram of the cleaning member provided by the embodiment of the present application is provided.

[0029] Explanation of reference signs:

[0030] 100, drying mechanism; 101, shell; 102, microwave fractal assembly; 103, wave heat drying assembly; 104, fan; 105, conveying assembly; 200, material picking mechanism; 201, driving piece; 201a, motor; 201b, driving tooth; 201c, driven tooth sleeve; 202, picking piece; 202a, base plate; 202b, clamping plate; 202c, outwardly expanding spring; 202d, abutting head; 203, guide piece; 203a, guide rod; 203b, fixed plate; 203c, adjusting head; 203d, annular track; 203e, release port; 204, adjusting piece; 204a, rotating rod; 204b, adjusting groove; 205, positioning piece; 205a, positioning rod; 205b, positioning spring; 205c, first magnet; 205d, second magnet; 205e, friction block; 205f, positioning ring; 206, cleaning piece; 206a, scraper; 206b, connecting pipe; 206c, concentrating disc. DETAILED DESCRIPTION

[0031] In order to make the technical personnel in the art better understand the technical solutions of the present application, the present application will be further described in detail below with reference to the drawings.

[0032] Please refer to Figures 1-4 The present application provides a technical solution: a drying mechanism 100 and a picking mechanism.

[0033] Specifically, the drying mechanism 100 includes a shell 101, and wave heat drying assemblies 103 are installed on the inner walls of the upper and lower parts of the shell 101. The wave heat drying assemblies 103 are provided with wave heat integrated pipes, which can maintain the temperature inside the shell and continuously emit specific waveband micro-nano waves to continuously form particles of the sludge by fractal, so that the surface of the sludge forms a porous structure and the specific surface area is increased, thereby improving the drying effect and drying speed. In addition, the inside of the shell 101 is also provided with a conveying assembly 105 for transporting the plasticized sludge.

[0034] The material picking mechanism 200 includes a driving piece 201 fixed to the shell 101, and the outer side of the driving piece 201 is connected with a picking piece 202. The picking piece 202 can clamp and pick up the sludge block, and a plurality of groups of picking pieces 202 are arranged in the axial direction of the driving piece 201 in a linear array. The outer side of each group of picking pieces 202 is provided with a guide piece 203, and the plurality of groups of picking pieces 202 are simultaneously distributed in a ring array around the periphery of the guide piece 203 to realize ring-shaped sequential picking of the sludge block.

[0035] Furthermore, the driving component 201 includes a motor 201a mounted on the outer wall of the housing 101. The motor 201a is connected to a driving gear 201b via a coupling that extends into the interior of the housing 101. A driven gear sleeve 201c is connected to the outer side of the driving gear 201b. The driving gear 201b and the driven gear sleeve 201c are meshed together. Thus, when the motor 201a drives the driving gear 201b to rotate, the driven gear sleeve 201c can be driven to rotate synchronously under the transmission of the driving gear 201b, thereby driving the pickup component 202. At the same time, the sludge lumps picked up by the pickup component 202 can rotate inside the housing 101 as the driven gear sleeve 201c rotates, thereby extending the sludge drying time. Meanwhile, the distance between the sludge and the wave heat drying component 103 changes, improving the drying effect.

[0036] The pickup component 202 includes a base plate 202a connected to the end face of the driven toothed sleeve 201c. Clamping plates 202b are symmetrically installed inside the base plate 202a. An expansion spring 202c is installed between the two clamping plates 202b. An abutment 202d is integrally provided on the top of the clamping plate 202b.

[0037] The guide member 203 includes a guide rod 203a fixed to the inner wall of the housing 101. A fixing plate 203b is movably installed on the outside of the guide rod 203a. An adjusting head 203c is fixedly provided on the inner side of the fixing plate 203b. A ring rail 203d is connected to the outer side of the fixing plate 203b. A release port 203e is provided on the ring rail 203d.

[0038] Furthermore, the two clamping plates 202b on the substrate 202a always tend to move outwards towards each other under the elastic support of the outward expansion spring 202c. At the same time, the guide member 203 is symmetrically arranged about the pickup member 202, so that the abutment joints 202d at the top of the two clamping plates 202b can abut against the corresponding annular rails 203d on their outer sides. Thus, under the restriction of the distance between the two clamping plates 202b by the annular rails 203d, the two clamping plates 202b can stably clamp the sludge block, so as to prevent the sludge block from falling off during the rotation of the pickup member 202.

[0039] Preferably, the release port 203e is concave and positioned near the lowest point of the annular rail 203d. Because the distance between the release ports 203e on the two annular rails 203d is greater than the distance between other points on the annular rails 203d, when the pickup 202 moves to the position of the release port 203e with the rotation of the driven toothed sleeve 201c, the abutment 202d moves into the release port 203e, thereby increasing the distance between the two clamping plates 202b. This allows the pickup 202 to lower the sludge block. As the pickup 202 continues to rotate, the clamping plates 202b move closer together as the release port 203e shrinks, thus clamping subsequent sludge blocks. This cycle repeats to achieve continuous drying of the sludge blocks.

[0040] In use, the sludge granulated by the external granulation system is arranged on the conveying assembly 105. At this time, the microwave drying assembly 103, microwave fractal assembly 102, fan 104 and motor 201a inside the outer shell 101 can be started. The granulated sludge blocks are conveyed into the outer shell 101 through the conveying assembly 105. First, they pass through the microwave fractal assembly 102, which generates a specific wave band to form a standing wave mesh at the front end of the conveyor belt to further categorize the granulated sludge into a porous structure, increasing the specific surface area. As the sludge blocks move, they gradually move to the pickup 202. At this time, as the driven toothed sleeve 201c rotates, the abutment 202d moves into the release port 203e, causing the two clamping plates 202b to open. Under the relative movement of the conveyor belt and the driven toothed sleeve 201c, the sludge blocks move between the two clamping plates 202b, and at the same time, the abutment 202d... When the 02d disengages from the release port 203e, the two clamping plates 202b approach to clamp the sludge block. Finally, as the pickup 202 continues to rotate, it can drive the sludge block to move in a circular motion within the drying mechanism 100 for drying. When the abutment 202d moves back to the release port 203e, the two clamping plates 202b can open again to allow the dried sludge block to rest underneath. At this time, the pickup 202 continues to move within the release port 203e to ensure the clamping plates 202b remain open. Subsequent sludge blocks continue to move between the clamping plates 202b. After the abutment 202d moves out of the release port 203e again, the clamping plates 202b return to the clamping state to hold subsequent sludge blocks, thus achieving continuous automatic drying of the sludge blocks. During the drying process, the water vapor generated during drying is discharged by the fan 104 to ensure the drying effect.

[0041] In summary, through the coordinated operation of the drive component 201, the pickup component 202, and the guide component 203, the sludge blocks conveyed into the drying mechanism 100 by the conveying component 105 can be picked up and moved in a circular motion inside the drying mechanism 100. This causes a change in the distance between the sludge blocks and the wave heat drying component 103, while reducing the drying dead zones of the sludge blocks. The bottom and all parts of the sludge blocks can be effectively dried, improving the drying effect of the wave heat drying component 103 on the sludge blocks.

[0042] Please see Figures 1-5 The present invention provides a technical solution including an adjusting member 204 and a positioning member 205.

[0043] Specifically, the adjusting member 204 includes a rotating rod 204a rotatably mounted on the inner wall of the housing 101. The surface of the rotating rod 204a is provided with an adjusting groove 204b, and the adjusting groove 204b is symmetrically arranged with respect to the pickup member 202. At the same time, multiple sets of the symmetrically arranged adjusting grooves 204b are arranged in a horizontal array on the rotating rod 204a so as to correspond to multiple guide members 203.

[0044] The positioning component 205 includes a positioning rod 205a that passes through the end of the rotating rod 204a. The positioning rod 205a is prismatic in shape to achieve rotational locking between the positioning rod 205a and the rotating rod 204a, which can rotate synchronously. A positioning spring 205b is sleeved on the outer side of the positioning rod 205a. The positioning spring 205b is located between the positioning rod 205a and the rotating rod 204a and can provide elastic support for the positioning rod 205a. A first magnet 205c is fixedly installed on the outer wall of the inner end of the positioning rod 205a located in the rotating rod 204a. A second magnet 205d is provided on the outer side of the first magnet 205c. A friction block 205e is provided on the outer side of the second magnet 205d. A positioning ring 205f is provided on the outer side of the friction block 205e. The positioning ring 205f is fixed on the outer wall of the outer shell 101.

[0045] Preferably, the adjusting groove 204b is inclined on the rotating rod 204a, and the adjusting groove 204b and the adjusting head 203c are in sliding fit. So when the rotating rod 204a rotates, the adjusting groove 204b pushes the adjusting head 203c, which causes the fixed plate 203b under the guidance of the guide rod 203a to drive the annular rail 203d to move. Since the adjusting groove 204b is symmetrically arranged, the two annular rails 203d can move synchronously towards each other, thereby adjusting the distance between the two annular rails 203d and thus adjusting and controlling the picking width of the picking piece 202 to meet the picking needs of sludge blocks of different sizes.

[0046] Furthermore, the first magnet 205c and the second magnet 205d repel each other. Thus, when the first magnet 205c and the second magnet 205d are on the same horizontal plane, the second magnet 205d moves away from the first magnet 205c under the repulsive force of the first magnet 205c. This causes the friction block 205e on its outer side to come into contact with the positioning ring 205f. At this time, the rotating rod 204a can be positioned by the friction between the friction block 205e and the positioning ring 205f, so that the annular rail 203d can remain stable after adjustment.

[0047] In use, when the user needs to adjust the spacing of the clamping plates 202b, the positioning rod 205a can be pulled outward first, so that the first magnet 205c and the second magnet 205d are misaligned. At this time, the repulsive force between the first magnet 205c and the second magnet 205d disappears, and the friction block 205e is no longer in close contact with the positioning ring 205f. At this time, the rotating rod 204a can be rotated through the positioning ring 205f. Then, with the cooperation of the adjusting groove 204b and the adjusting head 203c, the spacing between the annular rails 203d can be adjusted to change the picking width of the picking piece 202. After the adjustment is completed, the positioning rod 205a is reset under the support of the positioning spring 205b, and the first magnet 205c and the second magnet 205d are once again on the same horizontal plane. Thus, the second magnet 205d is pushed out under the repulsive force of the first magnet 205c, so that the friction block 205e is in close contact with the positioning ring 205f. At this time, the rotation locking of the rotating rod 204a is achieved.

[0048] In summary, the combination of the adjusting component 204 and the guide component 203 allows the user to adjust the picking width of the picking component 202, thereby meeting the drying needs of different sludge blocks and reducing the limitations of the device's use. At the same time, the positioning component 205 can lock the adjusting component 204, thus ensuring the stability of the picking component 202 during use and achieving stable clamping of the sludge blocks.

[0049] Please see Figures 1-6 In another embodiment of the present invention, a cleaning component 206 is included.

[0050] Specifically, each pickup component 202 is fitted with a cleaning component 206 on its outer side. The cleaning component 206 includes a scraper 206a fixed to the outer side of the base plate 202a. The top of the scraper 206a is connected to a connecting pipe 206b, and the end of the connecting pipe 206b is connected to a concentrator 206c. The concentrator 206c is connected to the fan 104.

[0051] Furthermore, the bottom end of the scraper 206a is inclined, and the scraper 206a rotates synchronously with the pickup 202. When the scraper 206a rotates to the lowest point, it can briefly contact the conveying component 105, thereby removing the residual sludge on the conveying component 105. At the same time, the scraper 206a is connected to the blower 104, so that the scraped sludge can be discharged out of the device by the suction of the blower 104. At the same time, when the scraper 206a rotates to other positions, the steam or odor generated during the drying process can be extracted.

[0052] When in use, the blower 104 is turned on. As the picking proceeds, the scraper 206a comes into contact with the conveying component 105 in sequence, scraping off the residual sludge on the surface of the conveying component 105 and expelling it from the device with the help of the wind. At the same time, the scraper 206a away from the conveying component 105 can extract steam or odors from the device to avoid excessive humidity in the device affecting the drying effect.

[0053] In summary, by rotating the cleaning component 206 along with the pickup component 202, the cleaning component 206 can switch between cleaning gaseous or solid impurities. When the cleaning component 206 is in contact with the conveying component 105, it cleans sludge, while when the cleaning component 206 is away from the conveying component 105, it cleans odors. At the same time, the rotation of the cleaning component 206 can improve the treatment effect on water vapor and odors and reduce cleaning dead spots.

[0054] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A microwave sludge drying machine, characterized in that, include, The drying mechanism (100) includes a housing (101), a microwave fractal assembly (102) and a microwave heat drying assembly (103) disposed on the top of the inner wall of the housing (101), a fan (104) mounted on the outer wall of the housing (101), and a conveying assembly (105) installed inside the housing (101); and, The picking mechanism (200) includes a drive member (201) fixed to the housing (101), a picking member (202) connected to the outside of the drive member (201), a guide member (203) installed on the outside of the picking member (202), an adjusting member (204) passing through the inside of the guide member (203), a positioning member (205) provided on the adjusting member (204), and a cleaning member (206) also installed on the outside of the picking member (202). The drive unit (201) includes a motor (201a) mounted on the outer wall of the housing (101). The motor (201a) is connected to a drive gear (201b) via a coupling that extends into the interior of the housing (101). A driven gear sleeve (201c) is connected to the outer side of the drive gear (201b). The drive gear (201b) and the driven gear sleeve (201c) are meshed together. The pickup (202) includes a base plate (202a) connected to the end face of the driven toothed sleeve (201c). Clamping plates (202b) are symmetrically mounted inside the base plate (202a). An expansion spring (202c) is installed between the two clamping plates (202b). An abutment (202d) is integrally formed on the top of each clamping plate (202b). The guide (203) is symmetrically arranged about the pickup (202). The guide (203) includes components fixed to the outer shell (10). 1) A guide rod (203a) on the inner wall, a fixing plate (203b) is movably installed on the outside of the guide rod (203a), an adjusting head (203c) is provided on the inner side of the fixing plate (203b), an annular rail (203d) is connected to the outer side of the fixing plate (203b), a release port (203e) is provided on the annular rail (203d), the abutting head (202d) abuts against the annular rail (203d), and the release port (203e) is concave.

2. The microwave sludge drying machine according to claim 1, characterized in that, The adjusting member (204) includes a rotating rod (204a) rotatably mounted on the inner wall of the housing (101), and the surface of the rotating rod (204a) is provided with an adjusting groove (204b).

3. A microwave sludge drying machine according to claim 2, characterized in that, The adjustment groove (204b) is symmetrically arranged with respect to the pickup (202); The adjustment groove (204b) is inclined on the rotating rod (204a), and the adjustment groove (204b) and the adjustment head (203c) are in sliding fit.

4. A microwave sludge drying machine according to claim 2, characterized in that, The positioning component (205) includes a positioning rod (205a) that passes through the end of the rotating rod (204a). A positioning spring (205b) is sleeved on the outer side of the positioning rod (205a). A first magnet (205c) is also provided on the outer wall of the end of the positioning rod (205a). A second magnet (205d) is provided on the outer side of the first magnet (205c). A friction block (205e) is provided on the outer side of the second magnet (205d). A positioning ring (205f) is provided on the outer side of the friction block (205e). The positioning ring (205f) is fixed to the outer shell (101).

5. A microwave sludge drying machine according to claim 4, characterized in that, The first magnet (205c) and the second magnet (205d) repel each other; The friction block (205e) abuts against the positioning ring (205f).

6. A microwave sludge drying machine according to claim 1, characterized in that, The cleaning component (206) includes a scraper (206a) fixed to the outside of the substrate (202a), the top of the scraper (206a) is connected to a connecting pipe (206b), and the end of the connecting pipe (206b) is connected to a central disc (206c).

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