CN220056622U

CN220056622U - Sludge dryer

Info

Publication number: CN220056622U
Application number: CN202321439174.9U
Authority: CN
Inventors: 吉贵恒; 郝毅辉
Original assignee: Henan Ruibo Environmental Protection Technology Co ltd
Current assignee: Henan Ruibo Environmental Protection Technology Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-11-21
Anticipated expiration: 2033-06-07

Abstract

The utility model discloses a sludge dryer, which relates to the technical field of sludge drying and comprises a barrel, wherein the barrel is olive-shaped and vertically arranged, and the upper end and the lower end of the barrel are opened; an exhaust fan is fixedly arranged at the upper opening of the cylinder body, a drying mechanism is arranged in the middle of the cylinder body, and the drying mechanism comprises a connecting pipe, a spray head, a drying cylinder, an electric heating pipe and a scraper; the electric heating tube is fixedly arranged in the drying cylinder, and the drying cylinder is rotatably arranged in the middle of the cylinder body; the drying cylinder is in a truncated cone shape, the upper end of the drying cylinder is in transmission connection with a driving mechanism, and the lower end of the drying cylinder is provided with an opening; the scraper is fixedly arranged on the inner wall of the cylinder body and is tangent with the outer wall of the drying cylinder. This sludge dryer sets up through the cooperation of actuating mechanism, drying mechanism and drawing liquid mechanism, can dry the mud fast, is convenient for discharge the mud after drying moreover.

Description

Sludge dryer

Technical Field

The utility model relates to the technical field of sludge drying, in particular to a sludge dryer.

Background

Sludge is a solid precipitate produced by water and sewage treatment processes, and has the main characteristics that: the water content can be as high as more than 99%, the organic matter content is high, the organic matter is easy to be decomposed and stink, the particles are finer, the specific gravity is smaller, the sludge is in a colloidal liquid state, and the sludge mainly comprises: the disposal and treatment of domestic sewage sludge, industrial wastewater sludge and feedwater sludge has become a chronic and hard problem restricting urban development and urban sanitation.

In China, patent application number: CN 202022224079X discloses a sludge dryer, and the structure includes including the box, the box upper end is equipped with feed inlet and air outlet, the box lower extreme is equipped with discharge gate and a plurality of equipartition's nozzle, the nozzle passes through the air-supply line and connects, the air-supply line still is connected with the gas booster pump. According to the sludge dryer, sludge is dried by using the stirring shaft and high-temperature gas, and the sludge is solidified on the stirring shaft after being dried, so that the sludge cannot be smoothly discharged.

Therefore, it is necessary to provide a sludge dryer to solve the above problems.

Disclosure of Invention

The utility model aims to provide a sludge dryer, which solves the problems that the prior sludge dryer proposed in the background art utilizes a stirring shaft and high-temperature gas to dry sludge, and the sludge is solidified on the stirring shaft after being dried, so that the sludge cannot be smoothly discharged.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the sludge dryer comprises a barrel, wherein the barrel is olive-shaped and vertically arranged, and the upper end and the lower end of the barrel are open; an exhaust fan is fixedly arranged at the upper opening of the cylinder body, a drying mechanism is arranged in the middle of the cylinder body, and the drying mechanism comprises a connecting pipe, a spray head, a drying cylinder, an electric heating pipe and a scraper; the electric heating tube is fixedly arranged in the drying cylinder, and the drying cylinder is rotatably arranged in the middle of the cylinder body; the drying cylinder is in a truncated cone shape, the upper end of the drying cylinder is in transmission connection with a driving mechanism, and the lower end of the drying cylinder is provided with an opening; the scraper is fixedly arranged on the inner wall of the cylinder body and is tangential to the outer wall of the drying cylinder; the connecting pipes are multiple and are fixedly arranged on the cylinder body along the vertical direction; the liquid outlet end of the connecting pipe extends into the cylinder body, a spray head is fixedly arranged, the spray head faces the outer side wall of the drying cylinder, and a liquid pumping mechanism is arranged at the other end of the connecting pipe; a material receiving box is arranged below the cylinder body.

Preferably, the driving mechanism comprises a rotating shaft, a motor and a fixing frame, the fixing frame is fixedly arranged in a cylinder body above the drying cylinder, the rotating shaft is vertically rotatably arranged in the fixing frame, the lower end of the rotating shaft is fixedly connected with a top plate of the drying cylinder, the top end of the rotating shaft extends upwards out of the fixing frame, and a baffle is fixedly arranged; the motor is fixedly arranged in the cylinder body below the exhaust fan, an output shaft of the motor is fixedly connected with the baffle plate, and the output shaft of the motor is coaxial with the cylinder body, the drying cylinder and the rotating shaft.

Preferably, the liquid pumping mechanism comprises a liquid discharge pipe, a water pump and a filter, wherein the water pump is arranged on one side of the cylinder body, a water outlet of the water pump is communicated with the plurality of connecting pipes through the liquid discharge pipe, a water pipe is installed at a water inlet of the water pump in a matched mode, and the filter is fixedly installed at one end, far away from the water inlet of the water pump, of the water pipe.

Preferably, a plurality of support columns are fixedly arranged below the cylinder along the circumference, and the material receiving box is positioned right below the material outlet of the cylinder.

Preferably, a heating plate is fixedly arranged on the inner side wall of the lower part of the cylinder body, the heating plate is in a shape of a circular table, two ends of the heating plate are open, a wide opening of the heating plate faces upwards, the heating plate is coaxial with the drying cylinder, and the diameter of the wide opening of the heating plate is larger than the maximum diameter of the drying cylinder; the connecting shaft is fixedly arranged below the top plate of the drying cylinder, the scraping plate is fixedly arranged at the bottom of the connecting shaft, and the scraping plate is tightly contacted with the inner side wall of the heating plate.

Advantageous effects

Compared with the prior art, the sludge dryer provided by the utility model is unique in structure and convenient to use, and comprises the cylinder body, the driving mechanism, the drying mechanism and the liquid pumping mechanism, wherein the driving mechanism drives the drying cylinder to rotate, and the liquid pumping mechanism pumps out sludge and sprays the sludge onto the heated drying cylinder through the spray head, so that the sludge can be dried rapidly by using the drying cylinder, and the dried sludge is discharged conveniently.

The utility model provides a sludge dryer which is unique in structure and convenient to use, and effectively solves the problem that sludge cannot be smoothly discharged due to the fact that sludge is dried by using a stirring shaft and high-temperature gas and then solidified on the stirring shaft.

Drawings

FIG. 1 is a schematic perspective side view of the structure of the present utility model;

FIG. 2 is a schematic perspective cross-sectional view of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure of the present utility model;

fig. 4 is an enlarged schematic view of the structure of the region a in fig. 2.

In the figure: 1. a cylinder; 2. a connecting pipe; 3. a spray head; 4. a liquid discharge pipe; 5. a water pump; 6. a filter; 7. a drying cylinder; 8. an electric heating tube; 9. a scraper; 10. a rotating shaft; 11. a baffle; 12. a motor; 13. an exhaust fan; 14. a support column; 15. a material receiving box; 16. a fixing frame; 17. a heating plate; 18. a connecting shaft; 19. a scraper.

Description of the embodiments

The utility model will be further described with reference to the drawings and examples.

Examples

The embodiment 1 provides a sludge dryer which is directly improved on the existing sludge dryer, has a unique structure, is shown in fig. 1-4, and comprises a barrel 1, wherein the barrel 1 is olive-shaped and vertically arranged, and the upper end and the lower end of the barrel 1 are opened; an exhaust fan 13 is fixedly arranged at the upper opening of the cylinder body 1, a drying mechanism is arranged in the middle of the cylinder body 1 and comprises a connecting pipe 2, a spray head 3, a drying cylinder 7, an electric heating pipe 8 and a scraper 9, the electric heating pipe 8 is fixedly arranged in the drying cylinder 7, the drying cylinder 7 is rotatably arranged in the middle of the cylinder body 1, the drying cylinder 7 is in a circular truncated cone shape, the upper end of the drying cylinder 7 is in transmission connection with a driving mechanism, and the lower end of the drying cylinder 7 is open; the scraper 9 is fixedly arranged on the inner wall of the cylinder body 1 and is tangential to the outer wall of the drying cylinder 7.

The driving mechanism comprises a rotating shaft 10, a motor 12 and a fixing frame 16, wherein the fixing frame 16 is fixedly arranged in the cylinder body 1 above the drying cylinder 7, the rotating shaft 10 is vertically rotatably arranged in the fixing frame 16, the lower end of the rotating shaft 10 is fixedly connected with the top plate of the drying cylinder 7, the top end of the rotating shaft 10 extends upwards out of the fixing frame 16, and a baffle 11 is fixedly arranged; a through hole is formed in the middle of the rotating shaft 10, a conductive ring is sleeved at the lower end of the rotating shaft 10, an electric heating tube 8 is connected with an external power supply through the conductive ring, a fixed frame 16 and a baffle 11 are utilized for supporting the drying cylinder 7, the drying cylinder 7 is prevented from falling, a motor 12 is fixedly arranged in the cylinder body 1 below an exhaust fan 13, an output shaft of the motor 12 is fixedly connected with the baffle 11, and the output shaft of the motor 12 is coaxial with the cylinder body 1, the drying cylinder 7 and the rotating shaft 10; there are various ways in which the motor 12 is fixedly mounted in the cylinder 1, for example: the inside of the cylinder body 1 is fixedly provided with a connecting frame which is formed by combining a plurality of connecting rods, and the motor 12 is fixedly arranged on the connecting frame; the air circulation is convenient, so that the steam generated by drying the sludge can be rapidly discharged.

The connecting pipe 2 has a plurality ofly to along vertical fixed mounting on barrel 1, the play liquid end of connecting pipe 2 extends into barrel 1 in, and fixed mounting has shower nozzle 3, and shower nozzle 3 is towards the lateral wall of dry cylinder 7, the other end of connecting pipe 2 is equipped with the drawing liquid mechanism, the drawing liquid mechanism includes fluid-discharge tube 4, water pump 5 and filter 6, water pump 5 sets up in one side of barrel 1, and the outlet of water pump 5 is linked together with a plurality of connecting pipes 2 through fluid-discharge tube 4, the water pipe is installed in the water inlet match of water pump 5, filter 6 fixed mounting is kept away from the one end of water inlet of water pump 5 at the water pipe, filter great impurity in the mud, the below of barrel 1 is equipped with receipts workbin 15, there are a plurality of support columns 14 along circumference fixed mounting below of barrel 1, receipts workbin 15 is located under the discharge opening of barrel 1.

When the sludge dryer is used for drying sludge, firstly, the electric heating tube 8 is started to heat the drying cylinder 7, then the filter 6 is inserted into the collected sludge, the water pump 5 and the motor 12 are started, the filter 6 can filter larger impurities in the sludge, the filtered sludge is sprayed onto the drying cylinder 7 through the liquid discharge tube 4, the connecting tube 2 and the spray head 3 under the action of the water pump 5, the water in the sludge is quickly evaporated due to the high temperature of the drying cylinder 7 and is discharged through the exhaust fan 13, the dried sludge is solidified on the drying cylinder 7, in addition, the motor 12 is started, the output shaft of the motor 12 rotates, so that the rotating shaft 10 is driven to rotate, and then the drying cylinder 7 is driven to rotate, when the sludge solidified on the drying cylinder 7 passes through the scraper 9, the sludge is scraped by the scraper 9 and falls into the material receiving box 15, so that the drying treatment of the sludge is finished, the dried sludge can be quickly dried through the cooperation of the driving mechanism, the drying mechanism and the liquid pumping mechanism, and the dried sludge is conveniently discharged.

Examples

The difference between the embodiment 2 and the embodiment 1 is that as shown in fig. 2, a heating plate 17 is fixedly installed on the inner side wall of the lower part of the cylinder body 1, the heating plate 17 is in a shape of a round table, two ends of the heating plate are opened, the wide mouth is upward, the heating plate 17 and the drying cylinder 7 are coaxial, and the diameter of the wide mouth of the heating plate 17 is larger than the maximum diameter of the drying cylinder 7; the roof below fixed mounting of dry section of thick bamboo 7 has connecting axle 18, and the bottom fixed mounting of connecting axle 18 has scraper blade 19, scraper blade 19 closely contacts with the inside wall of hot plate 17, when the moisture content of mud is great, some mud drips from the outer wall of dry section of thick bamboo 7, drip to on the inside wall of hot plate 17, the hot plate 17 makes it dry to the further heating of drip mud, then under the effect of scraper blade 19, scrape down the mud on the inside wall of hot plate 17, through the cooperation setting of hot plate 17 and scraper blade 19, can effectively prevent when the moisture content of mud is great, some mud drips from the outer wall of dry section of thick bamboo 7, lead to moist mud to drop into the condition emergence in the receipts workbin 15.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Sludge dryer, including barrel (1), its characterized in that: the cylinder body (1) is olive-shaped and vertically arranged, and the upper end and the lower end of the cylinder body (1) are open; an exhaust fan (13) is fixedly arranged at the upper opening of the cylinder body (1), a drying mechanism is arranged in the middle of the cylinder body (1), and the drying mechanism comprises a connecting pipe (2), a spray head (3), a drying cylinder (7), an electric heating pipe (8) and a scraper (9); the electric heating tube (8) is fixedly arranged in the drying cylinder (7), and the drying cylinder (7) is rotatably arranged in the middle of the cylinder body (1); the drying cylinder (7) is in a round table shape, a driving mechanism is connected with the upper end of the drying cylinder (7) in a transmission way, and the lower end of the drying cylinder (7) is provided with an opening; the scraper (9) is fixedly arranged on the inner wall of the cylinder body (1) and is tangential with the outer wall of the drying cylinder (7); the connecting pipes (2) are multiple and are fixedly arranged on the cylinder body (1) along the vertical direction; the liquid outlet end of the connecting pipe (2) extends into the cylinder body (1) and is fixedly provided with a spray head (3), the spray head (3) faces the outer side wall of the drying cylinder (7), and the other end of the connecting pipe (2) is provided with a liquid pumping mechanism; a material receiving box (15) is arranged below the cylinder body (1).

2. A sludge dryer as claimed in claim 1, wherein: the driving mechanism comprises a rotating shaft (10), a motor (12) and a fixing frame (16), wherein the fixing frame (16) is fixedly arranged in the cylinder body (1) above the drying cylinder (7), the rotating shaft (10) is vertically rotatably arranged in the fixing frame (16), the lower end of the rotating shaft (10) is fixedly connected with the top plate of the drying cylinder (7), the top end of the rotating shaft (10) extends upwards out of the fixing frame (16), and a baffle plate (11) is fixedly arranged; the motor (12) is fixedly arranged in the cylinder body (1) below the exhaust fan (13), an output shaft of the motor (12) is fixedly connected with the baffle plate (11), and the output shaft of the motor (12) is coaxial with the cylinder body (1), the drying cylinder (7) and the rotating shaft (10).

3. A sludge dryer as claimed in claim 1, wherein: the liquid pumping mechanism comprises a liquid discharge pipe (4), a water pump (5) and a filter (6), wherein the water pump (5) is arranged on one side of the cylinder body (1), a water outlet of the water pump (5) is communicated with the plurality of connecting pipes (2) through the liquid discharge pipe (4), a water pipe is installed at a water inlet of the water pump (5) in a matched mode, and the filter (6) is fixedly installed at one end, far away from the water inlet of the water pump (5), of the water pipe.

4. A sludge dryer as claimed in claim 1, wherein: a plurality of support columns (14) are fixedly arranged below the cylinder body (1) along the circumference, and the material receiving box (15) is positioned right below a material outlet of the cylinder body (1).

5. A sludge dryer as claimed in claim 1, wherein: a heating plate (17) is fixedly arranged on the inner side wall of the lower part of the cylinder body (1), the heating plate (17) is in a round table shape, two ends of the heating plate are open, and a wide opening is upward; the heating plate (17) is coaxial with the drying cylinder (7), and the diameter of the wide opening of the heating plate (17) is larger than the maximum diameter of the drying cylinder (7); a connecting shaft (18) is fixedly arranged below the top plate of the drying cylinder (7), a scraping plate (19) is fixedly arranged at the bottom of the connecting shaft (18), and the scraping plate (19) is tightly contacted with the inner side wall of the heating plate (17).