Sludge dewatering and drying device for sewage treatment

Abstract

The utility model discloses a sludge dewatering and drying device for sewage treatment, which relates to the technical field of sludge treatment and comprises a barrel body, a drying mechanism is arranged at the top of the barrel body and used for supplying air into the barrel body, a dewatering mechanism is arranged on one side of the barrel body, and a conveying pipe is fixedly connected to one side of the dewatering mechanism. And a stirring mechanism is arranged in the barrel body and comprises a second motor, the second motor is fixedly installed at the top of the barrel body, the output end of the second motor is fixedly connected with a driving gear, and the side, close to the center of the barrel body, of the driving gear is meshed with a driven gear. The sludge drying device has the beneficial effects that the dewatering mechanism of the sludge drying device can preliminarily dehydrate sludge, then the stirring mechanism and the drying mechanism are matched with each other, the heat dissipation area of the sludge can be increased, the drying efficiency of hot air is higher, and a scraper blade can scrape off the sludge adhering to the inner wall of the barrel body; the sludge adhered to the inner wall is prevented from influencing the dewatering and drying efficiency and the normal operation of the device.

Description

TECHNICAL FIELD

[0001] The utility model relates to sludge treatment technical field especially sewage treatment with sludge dewatering drying device. BACKGROUND

[0002] Sludge is the product after sewage treatment, is a kind of extremely complex inhomogeneous body by organic residual piece, bacterial cell, inorganic particle, colloid etc., and the main characteristics of sludge are high moisture content, high organic matter content, easy to putrefy and stink, and fine particle, small specific gravity, and it is thick material between liquid and solid.

[0003] For example, the patent document with the announcement number CN221971446U discloses a sludge modified dewatering and drying device, which comprises a stirring box, a stirring device, a connecting column, a placing plate, a first supporting column, a conveying device, a second supporting column, a drying module and a third supporting column, the drying module comprises a drying box, a placing groove, a first sliding groove, a second sliding groove, a first sliding plate, a second sliding plate, a heater and a heating plate, and the stirring device and the drying module are used in cooperation, so that the sludge can be fully dried.

[0004] However, the device may cause a long drying period by using the heating plate to dehydrate and dry the sludge, and there is no measure to deal with the situation of blockage and sludge sticking to the inner wall of the stirring box during stirring, thereby affecting the normal operation and working efficiency of the device. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the above-mentioned problems and provides a sewage treatment with sludge dewatering drying device.

[0006] The utility model realizes the above-mentioned purposes by the following technical schemes:

[0007] A sewage treatment with sludge dewatering drying device, including the barrel body, the top of barrel body is provided with drying mechanism, drying mechanism is used for to the barrel body inside air supply, one side of barrel body is provided with dewatering mechanism, the one side fixed connection of dewatering mechanism has the feed pipe, the other end of feed pipe and the inside of barrel body intercommunication, the inside of barrel body is provided with stirring mechanism, and stirring mechanism includes second motor, second motor is fixedly installed at the top of barrel body, and the output of second motor is fixedly connected with driving gear, and the side of driving gear near the center of barrel body is engaged with driven gear, and driven gear is fixedly connected with lower air outlet pipe, and the bottom of lower air outlet pipe is fixedly connected with the blocking net, and the bottom of lower air outlet pipe is fixedly connected with two stirring blades, and the outer surface of lower air outlet pipe is fixedly connected with a plurality of stirring rods, and the both sides of stirring rod are fixedly connected with scraper, and the bottom of barrel body is screw threadedly connected with bottom cover, and the side of barrel body away from dewatering mechanism is fixedly connected with exhaust pipe.

[0008] Preferably, the two stirring rods are composed of horizontal rods and vertical rods, the horizontal rods are fixedly connected to the two sides of the lower air outlet pipe, and the vertical rods are fixedly connected to the horizontal rods.

[0009] Preferably, the drying mechanism comprises two fixing frames fixedly connected to the top of the barrel body, opposite surfaces of the fixing frames are fixedly connected with fixing plates, the top of each fixing plate is fixedly connected with a fan, the bottom output end of each fan is fixedly connected with a heating box, the bottom of each heating box is fixedly connected with an upper air outlet pipe, the lower end of the upper air outlet pipe is rotatably connected with the top end of the lower air outlet pipe, and the inside of each heating box is fixedly connected with an electric heating wire.

[0010] Preferably, the top end of the lower air outlet pipe is T-shaped, and a sealing ring is arranged at the connection position of the upper air outlet pipe and the lower air outlet pipe.

[0011] Preferably, the dehydration mechanism comprises a dehydration barrel fixedly connected to the end, away from the barrel body, of the material conveying pipe, a first motor fixedly connected to the side, away from the barrel body, of the dehydration barrel, a material inlet pipe formed in the side, close to the first motor, of the dehydration barrel, a rotating shaft fixedly connected to the output end of the first motor and rotatably connected to the inner wall of the dehydration barrel, a spiral blade fixedly connected to the outer surface of the rotating shaft and provided with a plurality of through holes, and a water outlet pipe formed in the side, away from the barrel body, of the dehydration barrel.

[0012] Preferably, a filter screen is arranged in the water outlet pipe, and the lower end of the spiral blade can contact the filter screen.

[0013] The beneficial effects are that the dehydration mechanism of the device can preliminarily dehydrate the sludge, the cooperation of the stirring mechanism and the drying mechanism can increase the heat dissipation area of the sludge, the drying efficiency of the hot air is higher, the scraper can scrape off the sludge adhered to the inner wall of the barrel body, and the sludge adhered to the inner wall of the barrel body can prevent the dehydration and drying efficiency and the normal operation of the device.

[0014] The additional technical features and advantages of the device will be more obvious in the following description, or can be understood through the specific practice of the device. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide a further understanding of the device, constitute a part of the specification, and are used together with the following specific embodiments to explain the device, but do not constitute a limitation on the device. In the drawings:

[0016] Figure 1 is a main structure diagram of the sludge dehydration and drying device for sewage treatment according to the device;

[0017] Figure 2 is a barrel body perspective sectional structure diagram of the sludge dehydration and drying device for sewage treatment according to the device;

[0018] Figure 3 is the dehydration mechanism perspective sectional view structure of the sludge dewatering and drying device for sewage treatment of the utility model;

[0019] Figure 4 is the heating box front view sectional view structure of the sludge dewatering and drying device for sewage treatment of the utility model;

[0020] Figure 5 is the dehydration mechanism perspective sectional view structure of the sludge dewatering and drying device for sewage treatment of the utility model; Figure 2 enlarged structure diagram of A place in the middle.

[0021] The figure mark explanation is as follows: 1, barrel body;201, fixed frame;202, fixed plate;203, fan;204, upper air outlet pipe;205, heating box;206, electric heating wire;3, feed pipe;401, dehydration barrel;402, first motor;403, rotating shaft;404, spiral blade;405, through hole;406, water outlet pipe;501, second motor;502, driving gear;503, driven gear;504, lower air outlet pipe;505, blocking net;506, stirring blade;507, stirring rod;508, scraper;6, bottom cover;7, feeding pipe;8, exhaust pipe. Specific embodiments

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] The utility model will be further described below with reference to the drawings:

[0025] As Figures 1-5As shown, a kind of sludge dewatering and drying device for sewage treatment, including barrel body 1, the top of barrel body 1 is provided with drying mechanism, drying mechanism is used to send air to barrel body 1, one side of barrel body 1 is provided with dewatering mechanism, one side of dewatering mechanism is fixedly connected with the material conveying pipe 3, the other end of material conveying pipe 3 is communicated with the inside of barrel body 1, the inside of barrel body 1 is provided with stirring mechanism, stirring mechanism includes second motor 501, second motor 501 is installed on the top of barrel body 1 by bolt, the output end of second motor 501 is threadedly connected with driving gear 502, driving gear 502 is engaged with driven gear 503 on the side close to the center of barrel body 1, driven gear 503 is fixedly connected with lower air outlet pipe 504, the bottom end of lower air outlet pipe 504 is welded with blocking net 505, blocking net 505 can intercept sludge, prevent its entering lower air outlet pipe 504 inside and causing blockage, the bottom end of lower air outlet pipe 504 is welded with two stirring blades 506, stirring blade 506 constantly stirs the bottom of barrel body 1, prevents the accumulation of sludge to influence the air outlet of lower air outlet pipe 504, the outer surface of lower air outlet pipe 504 is fixedly connected with a plurality of stirring rods 507, the two sides of stirring rod 507 are fixedly connected with scraper 508, the bottom of barrel body 1 is threadedly connected with bottom cover 6, the side of barrel body 1 away from dewatering mechanism is fixedly connected with exhaust pipe 8, exhaust pipe 8 can discharge the water vapor evaporated in barrel body 1.

[0026] The two stirring rods 507 are each composed of a plurality of horizontal rods and vertical rods, the horizontal rods are fixedly connected to the two sides of the lower air outlet pipe 504, and the vertical rods are fixedly connected to the horizontal rods, so that the horizontal rods and vertical rods can sufficiently increase the heat dissipation area of the sludge.

[0027] The drying mechanism includes two fixed frames 201 fixedly connected to the top of the barrel body 1, fixed plates 202 fixedly connected to the opposite faces of the fixed frames 201, a fan 203 fixedly connected to the top of each fixed plate 202, a heating box 205 fixedly connected to the bottom output end of the fan 203, an upper air outlet pipe 204 fixedly connected to the bottom of the heating box 205, the lower end of the upper air outlet pipe 204 rotatably connected to the top end of the lower air outlet pipe 504, and electric heating wires 206 fixedly connected to the inside of the heating box 205, so that the electric heating wires 206 can heat the air.

[0028] The top end of the lower air outlet pipe 504 is T-shaped in cross section, a sealing ring is arranged at the connection between the upper air outlet pipe 204 and the lower air outlet pipe 504, and the rotation of the lower air outlet pipe 504 does not affect the air outlet of the upper air outlet pipe 204, so that the sludge in the barrel body 1 can also be cooled.

[0029] The dewatering mechanism comprises a dewatering barrel 401 fixedly connected with the feeding pipe 3 away from the barrel body 1, a first motor 402 fixedly connected with the dewatering barrel 401 away from the barrel body 1, an inlet pipe 7 formed in the side of the dewatering barrel 401 close to the first motor 402, a rotating shaft 403 fixedly connected with the output end of the first motor 402, the other end of the rotating shaft 403 being rotatably connected with the inner wall of the dewatering barrel 401, a spiral blade 404 fixedly connected with the outer surface of the rotating shaft 403, a plurality of through holes 405 formed in the spiral blade 404, and a water outlet pipe 406 formed in the side of the dewatering barrel 401 away from the barrel body 1, which can discharge the water in the dewatering barrel 401.

[0030] A filter screen is arranged in the water outlet pipe 406, and the lower end of the spiral blade 404 can contact the filter screen to prevent the sludge from being accumulated on the surface of the filter screen and causing blockage.

[0031] Working principle: when the device is used, the operator needs to connect the inlet pipe 7 with an external feeding equipment, and then the sludge enters the inside of the dewatering barrel 401 through the inlet pipe 7, the first motor 402 is started, the first motor 402 drives the rotating shaft 403 to rotate, the rotating shaft 403 drives the spiral blade 404 to rotate, the water remaining in the sludge flows downward through the through holes 405 due to the action of gravity, and finally flows out of the dewatering barrel 401 through the water outlet pipe 406, the sludge preliminarily dewatered enters the inside of the barrel body 1 through the feeding pipe 3 under the action of the rotation of the spiral blade 404, the fan 203 and the electric heating wire 206 are started, the fan 203 downwardly conveys air into the heating box 205, the air is heated by the electric heating wire 206 and is conveyed into the barrel body 1 through the blocking net 505 at the bottom of the lower air outlet pipe 504 to heat the sludge in the barrel body 1.

[0032] The second motor 501 is started, the second motor 501 drives the driving gear 502 to rotate, the driving gear 502 drives the driven gear 503 to rotate, the driven gear 503 drives the lower air outlet pipe 504 to rotate, the rotation of the lower air outlet pipe 504 drives the plurality of stirring rods 507 to rotate, the stirring rods 507 continuously stir the sludge in the barrel body 1 to increase the heat dissipation area of the sludge and make the drying efficiency of the hot air higher, the stirring rods 507 rotate at the same time to drive the scraper 508 to rotate, the scraper 508 scrapes off the sludge adhered to the inner wall of the barrel body 1 to prevent the adhered sludge from affecting the drying efficiency and the normal operation of the device, the evaporated water vapor is collected into the atmosphere through the exhaust pipe 8, and when the drying is completed, the operator unscrews the bottom cover 6 to discharge the sludge dried in the barrel body 1.

[0033] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A sludge dewatering and drying device for sewage treatment, comprising a barrel (1), characterized in that: The top of the barrel body (1) is provided with a drying mechanism for air supply to the barrel body (1), one side of the barrel body (1) is provided with a dehydration mechanism, one side of the dehydration mechanism is fixedly connected with a material conveying pipe (3), the other end of the material conveying pipe (3) communicates with the inside of the barrel body (1), the inside of the barrel body (1) is provided with a stirring mechanism, the stirring mechanism comprises a second motor (501), the second motor (501) is fixedly installed on the top of the barrel body (1), the output end of the second motor (501) is fixedly connected with a driving gear (502), the driving gear (502) is engaged with a driven gear (503) on one side close to the center of the barrel body (1), the driven gear (503) is fixedly connected with a lower air outlet pipe (504), the bottom end of the lower air outlet pipe (504) is fixedly connected with a blocking net (505), the bottom end of the lower air outlet pipe (504) is fixedly connected with two stirring blades (506), the outer surface of the lower air outlet pipe (504) is fixedly connected with a plurality of stirring rods (507), the two sides of the stirring rod (507) are fixedly connected with a scraper (508), the bottom of the barrel body (1) is threadedly connected with a bottom cover (6), the side of the barrel body (1) away from the dehydration mechanism is fixedly connected with an exhaust pipe (8).

2. The sludge dewatering and drying device for sewage treatment according to claim 1, characterized in that: The two stirring rods (507) are composed of a plurality of horizontal rods and vertical rods, the horizontal rods are fixedly connected on the two sides of the lower air outlet pipe (504), and the vertical rods are fixedly connected on the horizontal rods.

3. The sludge dewatering and drying device for sewage treatment according to claim 1, characterized in that: The drying mechanism comprises two fixing frames (201), the fixing frames (201) are fixedly connected on the top of the barrel body (1), opposite surfaces of the fixing frames (201) are fixedly connected with fixing plates (202), the top of the fixing plate (202) is fixedly connected with a fan (203), the bottom output end of the fan (203) is fixedly connected with a heating box (205), the bottom of the heating box (205) is fixedly connected with an upper air outlet pipe (204), the lower end of the upper air outlet pipe (204) is rotatably connected with the top end of the lower air outlet pipe (504), and the inside of the heating box (205) is fixedly connected with an electric heating wire (206).

4. The sludge dewatering and drying device for sewage treatment according to claim 3, characterized in that: The top end of the lower air outlet pipe (504) is T-shaped in cross section, and a sealing ring is arranged at the connection between the upper air outlet pipe (204) and the lower air outlet pipe (504).

5. The sludge dewatering and drying device for sewage treatment according to claim 1, characterized in that: The dewatering mechanism comprises a dewatering barrel (401) fixedly connected with the one end of the feed pipe (3) away from the barrel body (1), a first motor (402) fixedly connected with the side of the dewatering barrel (401) away from the barrel body (1), an inlet pipe (7) formed in the side of the dewatering barrel (401) close to the first motor (402), an output end of the first motor (402) fixedly connected with a rotating shaft (403), the other end of the rotating shaft (403) rotatably connected with the inner wall of the dewatering barrel (401), the outer surface of the rotating shaft (403) fixedly connected with a spiral blade (404), a plurality of through holes (405) formed in the spiral blade (404), and a water outlet pipe (406) formed in the side of the dewatering barrel (401) away from the barrel body (1).

6. The sludge dewatering and drying device for sewage treatment according to claim 5, characterized in that: A filter screen is arranged in the water outlet pipe (406), and the lower end of the spiral blade (404) can contact the filter screen.

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