Sludge drying device based on biomass gasification heat energy

Abstract

The utility model relates to the technical field of sludge drying, and discloses a sludge drying device based on biomass gasification heat energy, which comprises a base support, a biomass gasification system is fixedly connected between opposite side walls of the base support, and the top of the biomass gasification system is fixedly communicated with a combustion heating chamber. A sludge drying and crushing barrel is arranged on the surface of the top of the combustion heating chamber, a feeding hopper fixedly communicates with the surface of the top of the sludge drying and crushing barrel, a discharging pipe fixedly communicates with the rear side of the sludge drying and crushing barrel, and a crushing assembly is arranged in the sludge drying and crushing barrel; and a cleaning assembly is arranged in the sludge drying and crushing barrel. According to the sludge drying and crushing device disclosed by the utility model, the inner wall of the sludge drying and crushing barrel is continuously scraped by the scraper in the cleaning assembly along with the rotation of the inner gear ring, so that sludge residues are effectively removed, the internal cleanness of the device and the efficient operation of sludge drying are ensured, and the sludge drying process is accelerated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sludge drying technical field especially based on biomass gasification heat energy's sludge drying device. BACKGROUND

[0002] In the field of sludge treatment, the sludge after drying can be used as fertilizer or building material after proper treatment, and the sludge contains a large amount of nitrogen, phosphorus, potassium and other organic matter and minerals, which can meet the soil nutrient demand, so the sludge can be used for farmland, forest land fertilization to improve soil fertility.

[0003] The existing sludge drying device, in the drying process of sludge, the viscosity of sludge makes sludge easy to adhere to the inner wall of the equipment, forms the residue that is difficult to remove, this not only influences the efficiency of sludge drying, also can cause equipment blockage, wear and tear aggravation, increased maintenance cost and operation risk, for this, based on biomass gasification heat energy's sludge drying device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortage, the utility model provides a kind of based on biomass gasification heat energy's sludge drying device, it is to improve the existing sludge drying device in prior art, in the drying process of sludge, the viscosity of sludge makes sludge easy to adhere to the inner wall of the equipment, forms the residue that is difficult to remove, this not only influences the efficiency of sludge drying, also can cause equipment blockage, wear and tear aggravation, increased maintenance cost and operation risk problem.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of sludge drying device based on biomass gasification heat energy, including base support, biomass gasification system is fixedly connected between the opposite side wall of the base support, the top of the biomass gasification system is fixedly communicated with combustion heating chamber, the top surface of the combustion heating chamber is provided with sludge drying and crushing barrel, the top surface of the sludge drying and crushing barrel is fixedly communicated with feeding hopper, the rear side of the sludge drying and crushing barrel is fixedly communicated with discharging pipe, the inside of the sludge drying and crushing barrel is provided with crushing assembly, the inside of the sludge drying and crushing barrel is provided with cleaning assembly, the cleaning assembly includes drive motor fixedly connected to one side surface of base support, one side inner wall surface of the sludge drying and crushing barrel is rotatably connected with driving shaft, the surface of the driving shaft is fixedly connected with driving gear, the inner wall surface close to driving gear of the sludge drying and crushing barrel is fixedly connected with connecting shaft, the surface of the connecting shaft is rotatably connected with driving gear, the inner wall between the sludge drying and crushing barrel is rotatably connected with internal gear ring, the surface of the one end of internal gear ring away from connecting shaft is fixedly connected with connecting ring, the inner wall between the sludge drying and crushing barrel away from connecting ring is rotatably connected with stabilizing ring, the opposite surface between the connecting ring and stabilizing ring is evenly fixedly connected with scraper, the inner wall between the connecting ring is rotatably connected with guard plate;

[0006] As further description of the above technical solution: the crushing assembly includes driven shaft rotatably connected between the inner wall of sludge drying and crushing barrel, the surface of two driven shafts is fixedly connected with driven gear, the surface of two driven shafts is evenly fixedly connected with first crushing cutter and second crushing cutter respectively;

[0007] As further description of the above technical solution: the driven shaft is arranged on the two sides of driving shaft, and the driven gear is engaged with the driving gear;

[0008] As further description of the above technical solution: the first crushing cutter and the second crushing cutter are staggered, and the first crushing cutter and the second crushing cutter do not contact each other;

[0009] As further description of the above technical solution: the sludge drying and crushing barrel is fixedly connected between the opposite side walls of the base support, and the one end of the driving shaft away from the driving gear is fixedly connected to the surface of the output shaft of the drive motor;

[0010] As further description of the above technical solution: the driving gear is engaged with the driving gear, and the driving gear is engaged with the internal gear ring;

[0011] As further description of the above technical solution: the scraper abuts against the inner wall surface of the sludge drying and crushing barrel, and the driving gear, the driving gear, the internal gear ring and the driven gear are arranged on the side of the guard plate away from the first crushing cutter.

[0012] As a further description of the above technical solutions: the size of the stabilizing ring and the inner tooth ring is same, and the stabilizing ring is slightly smaller than the ring diameter of the connecting ring.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] 1、The scraper in the cleaning assembly rotates with the inner tooth ring, continuously scrapes the inner wall of the sludge drying and crushing barrel, effectively removes sludge residues, ensures the cleanliness of the device and the efficient operation of sludge drying, simultaneously, the biomass gasification system and the sludge drying and crushing function realize the efficiency and environmental protection of sludge treatment, the driving motor drives the driving shaft to rotate, and then drives the driven shaft in the crushing assembly to rotate synchronously, the staggered distribution design of the first crushing knife and the second crushing knife not only effectively crushes the sludge, but also realizes the turning of the sludge, and accelerates the drying process of the sludge.

[0015] 2、The setting of the protection plate effectively protects the transmission component from direct impact and wear of the sludge, improves the safety and stability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional schematic view of a sludge drying device based on biomass gasification heat energy is provided for the utility model;

[0017] Figure 2 A structure schematic view of a crushing assembly of a sludge drying device based on biomass gasification heat energy is provided for the utility model;

[0018] Figure 3 A structure schematic view of a cleaning assembly of a sludge drying device based on biomass gasification heat energy is provided for the utility model.

[0019] LEGEND:

[0020] 1, base support;2, biomass gasification system;3, combustion heating chamber;4, sludge drying and crushing barrel;5, feeding hopper;6, discharging pipe;7, crushing assembly;71, driven shaft;72, driven gear;73, first crushing knife;74, second crushing knife;8, cleaning assembly;81, driving motor;82, driving shaft;83, driving gear;84, connecting shaft;85, driving gear;86, inner tooth ring;87, connecting ring;88, stabilizing ring;89, scraper;80, protection plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0022] With reference to Figure 1 - Figure 3 The present application provides an embodiment: a sludge drying device based on biomass gasification heat energy, comprising a base support 1, a biomass gasification system 2 is fixedly connected between the opposite side walls of the base support 1, a combustion heating chamber 3 is fixedly communicated at the top of the biomass gasification system 2, a sludge drying and crushing barrel 4 is arranged on the top surface of the combustion heating chamber 3, a feeding hopper 5 is fixedly communicated on the top surface of the sludge drying and crushing barrel 4, a discharging pipe 6 is fixedly communicated at the rear side of the sludge drying and crushing barrel 4, a crushing assembly 7 is arranged in the sludge drying and crushing barrel 4, a cleaning assembly 8 is arranged in the sludge drying and crushing barrel 4, the cleaning assembly 8 comprises a driving motor 81 fixedly connected to one side surface of the base support 1, a driving shaft 82 is rotatably connected to one side inner wall surface of the sludge drying and crushing barrel 4, a driving gear 83 is fixedly connected to the surface of the driving shaft 82, a connecting shaft 84 is fixedly connected to the inner wall surface of the sludge drying and crushing barrel 4 close to the driving gear 83, a driving gear 85 is rotatably connected to the surface of the connecting shaft 84, an inner tooth ring 86 is rotatably connected between the inner walls of the sludge drying and crushing barrel 4, a connecting ring 87 is fixedly connected to the surface of one end of the inner tooth ring 86 away from the connecting shaft 84, a stabilizing ring 88 is rotatably connected between the inner walls of the sludge drying and crushing barrel 4 away from the connecting ring 87, scrapers 89 are uniformly fixedly connected between the opposite surfaces of the connecting ring 87 and the stabilizing ring 88, and a protective plate 80 is rotatably connected between the inner walls of the connecting ring 87.

[0023] The rotation of the driving shaft 82 is transmitted through the meshing of the driving gear 85 and the inner gear ring 86, driving the inner gear ring 86 and its connected connecting ring 87, scraper 89 and stabilizing ring 88 to rotate, the connecting ring 87 and the stabilizing ring 88 ensure the stability of the scraper 89 during movement, the scraper 89 is uniformly distributed between the connecting ring 87 and the stabilizing ring 88, and abuts against the inner wall surface of the sludge drying and crushing barrel 4, as the inner gear ring 86 rotates, the scraper 89 will continuously scrape the inner wall of the sludge drying and crushing barrel 4, thereby removing the sludge residues attached to the inner wall, ensuring the cleanliness of the inner wall of the sludge drying and crushing barrel 4 and the efficient operation of the sludge drying, the sludge drying and crushing barrel 4 is fixedly connected between the opposite side walls of the base support 1, the end of the driving shaft 82 away from the driving gear 83 is fixedly connected to the surface of the output shaft of the driving motor 81, the driving gear 85 meshes with the driving gear 83, the driving gear 85 meshes with the inner gear ring 86, the stabilizing ring 88 is the same size as the inner gear ring 86, and the stabilizing ring 88 is slightly smaller than the ring diameter of the connecting ring 87.

[0024] Referring to Figure 1 - Figure 3 The breaking assembly 7 includes a driven shaft 71 symmetrically connected between the inner walls of the sludge drying and crushing barrel 4, the surfaces of the two driven shafts 71 are fixedly connected with driven gears 72, the surfaces of the two driven shafts 71 are uniformly fixedly connected with first breaking blades 73 and second breaking blades 74 respectively, the sludge is sent into the sludge drying and crushing barrel 4 through the feeding hopper 5, then the driving motor 81 on one side of the base support 1 is started, the output shaft of the driving motor 81 drives the driving shaft 82 to rotate, the driving gear 83 on the surface of the driving shaft 82 rotates accordingly, since the driving gear 83 meshes with the driven gears 72 on the surfaces of the two driven shafts 71, the rotation of the driving gear 83 will drive the two driven shafts 71 to rotate synchronously through the driven gears 72, the first breaking blades 73 and the second breaking blades 74 on the surfaces of the driven shafts 71 are staggered and do not contact each other, they will crush the sludge during rotation, thereby achieving the subdivision and turning of the sludge, improving the drying efficiency of the sludge, the driven shafts 71 are arranged on both sides of the driving shaft 82, the driven gears 72 all mesh with the driving gear 83, the first breaking blades 73 and the second breaking blades 74 are staggered, the first breaking blades 73 and the second breaking blades 74 do not contact each other, the scrapers 89 all abut against the inner wall surface of the sludge drying and crushing barrel 4, the driving gear 85, the driving gear 83, the inner gear ring 86 and the driven gears 72 are all arranged on the side of the protection plate 80 away from the first breaking blades 73.

[0025] Working principle: in use, first through the hopper 5, the sludge is sent into the sludge drying and crushing barrel 4, then, the driving motor 81 on one side of the base support 1 is started, the output shaft of the driving motor 81 drives the driving shaft 82 to rotate, the driving gear 83 on the surface of the driving shaft 82 rotates, because the driving gear 83 and the driven gear 72 on the surface of the two driven shafts 71 are engaged with each other, so the rotation of the driving gear 83 will drive the two driven shafts 71 to rotate synchronously through the driven gear 72, the first crushing knife 73 and the second crushing knife 74 on the surface of the driven shaft 71 are staggered and do not contact each other, they will crush the sludge during rotation, so as to realize the subdivision and turning of the sludge, improve the drying efficiency of the sludge, at the same time, the rotation of the driving shaft 82 also drives the inner tooth ring 86, the connecting ring 87, the scraper 89 and the stabilizing ring 88 to rotate through the engagement transmission of the driving gear 85 and the inner tooth ring 86, the connecting ring 87 and the stabilizing ring 88 ensure the stability of the scraper 89 during movement, the scraper 89 is uniformly distributed between the connecting ring 87 and the stabilizing ring 88 and abuts against the inner wall surface of the sludge drying and crushing barrel 4, with the rotation of the inner tooth ring 86, the scraper 89 will constantly scrape the inner wall of the sludge drying and crushing barrel 4, so as to realize the removal of the sludge residues attached to the inner wall, ensure the cleanliness of the inner wall of the sludge drying and crushing barrel 4 and the efficient operation of the sludge drying,

[0026] In addition, the protective plate 80 effectively protects the transmission components such as the driving gear 85, the driving gear 83, the inner tooth ring 86 and the driven gear 72 from the direct impact and wear of the sludge, prolongs the service life of the device, and in the process of crushing and turning, the biomass gasification system 2 and the combustion heating chamber 3 provide heat energy to dry the sludge in the sludge drying and crushing barrel 4, the dried sludge is finally discharged from the inside of the sludge drying and crushing barrel 4 through the discharge pipe 6, the whole drying and crushing process is completed, and the scraper 89 can also speed up the efficiency of discharging during the discharging process.

[0027] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A sludge drying unit based on biomass gasification heat energy comprising a base support (1), characterized in that: The biomass gasification system (2) is fixedly connected between the opposite side walls of the base support (1), the top of the biomass gasification system (2) is fixedly communicated with a combustion heating chamber (3), the top surface of the combustion heating chamber (3) is provided with a sludge drying and crushing barrel (4), the top surface of the sludge drying and crushing barrel (4) is fixedly communicated with an upper feeding hopper (5), the rear side of the sludge drying and crushing barrel (4) is fixedly communicated with a lower discharging pipe (6), the inside of the sludge drying and crushing barrel (4) is provided with a crushing assembly (7), and the inside of the sludge drying and crushing barrel (4) is provided with a cleaning assembly (8). The cleaning assembly (8) comprises a driving motor (81) fixedly connected to one side surface of the base support (1), one side inner wall surface of the sludge drying and crushing barrel (4) is rotatably connected with a driving shaft (82), the surface of the driving shaft (82) is fixedly connected with a driving gear (83), the inner wall surface of the sludge drying and crushing barrel (4) close to the driving gear (83) is fixedly connected with a connecting shaft (84), the surface of the connecting shaft (84) is rotatably connected with a driving gear (85), the inner walls of the sludge drying and crushing barrel (4) are rotatably connected with an inner tooth ring (86), the end surface of the inner tooth ring (86) away from the connecting shaft (84) is fixedly connected with a connecting ring (87), the inner walls of the sludge drying and crushing barrel (4) away from the connecting ring (87) are rotatably connected with a stabilizing ring (88), the opposite surfaces of the connecting ring (87) and the stabilizing ring (88) are uniformly fixedly connected with scrapers (89), and the inner walls of the connecting ring (87) are rotatably connected with a protective plate (80).

2. A sludge drying device based on biomass gasification heat energy according to claim 1, characterized in that: The crushing assembly (7) comprises a driven shaft (71) symmetrically rotatably connected between the inner walls of the sludge drying and crushing barrel (4), the surfaces of the two driven shafts (71) are fixedly connected with driven gears (72), and the surfaces of the two driven shafts (71) are uniformly fixedly connected with first crushing knives (73) and second crushing knives (74) respectively.

3. A sludge drying device based on biomass gasification heat energy according to claim 2, characterized in that: The driven shaft (71) is arranged on the two sides of the driving shaft (82), and the driven gears (72) are in mesh with the driving gear (83).

4. The sludge drying device based on biomass gasification heat energy according to claim 2, characterized in that: The first crushing knives (73) and the second crushing knives (74) are staggered, and the first crushing knives (73) and the second crushing knives (74) are not in contact.

5. The sludge drying device based on biomass gasification heat energy according to claim 1, characterized in that: The sludge drying and crushing barrel (4) is fixedly connected between the opposite side walls of the base support (1), one end of the driving shaft (82) away from the driving gear (83) is fixedly connected to the output shaft surface of the driving motor (81).

6. The sludge drying device based on biomass gasification heat energy according to claim 1, characterized in that: The driving gear (85) is in mesh with the driving gear (83), and the driving gear (85) is in mesh with the inner tooth ring (86).

7. A sludge drying device based on biomass gasification heat energy according to claim 2, characterized in that: The scrapers (89) are in abutment with the inner wall surfaces of the sludge drying and crushing barrel (4), and the driving gear (85), the driving gear (83), the inner tooth ring (86) and the driven gears (72) are arranged on the side of the protective plate (80) away from the first crushing knives (73).

8. The sludge drying device based on biomass gasification heat energy according to claim 1, characterized in that: The stabilizing ring (88) and the inner tooth ring (86) are the same size, and the stabilizing ring (88) is slightly smaller than the ring diameter of the connecting ring (87).

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