CN219409528U

CN219409528U - Sludge drying mechanism for sewage treatment

Info

Publication number: CN219409528U
Application number: CN202223048846.1U
Authority: CN
Inventors: 吴晓乐; 白云翔
Original assignee: Inner Mongolia Silk Road Construction Engineering Co ltd
Current assignee: Inner Mongolia Silk Road Construction Engineering Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-07-25
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a sludge drying mechanism for sewage treatment, which structurally comprises a drying box and a heater, wherein a discharging pipe is arranged at the top of the drying box through hole pipeline, the top of the discharging pipe is connected with the bottom pipeline of a feed hopper, and a dewatering device is arranged above the drying box, so that the sludge is subjected to rapid dewatering treatment, the water content in the sludge is effectively reduced, and the working efficiency of the device for drying the sludge is improved; the auxiliary drying device is arranged at the rear end of the drying box, so that the auxiliary drying of sludge is facilitated, the drying efficiency of the device to the sludge is effectively improved, the overall working efficiency of the device is improved, the drying heat inside the device can be recovered, a large amount of energy waste is avoided, and the energy use cost of the device is reduced.

Description

Sludge drying mechanism for sewage treatment

Technical Field

The utility model relates to the technical field of sludge treatment, in particular to a sludge drying mechanism for sewage treatment.

Background

The sludge is a product after sewage treatment, is an extremely complex non-uniform mass composed of organic residues, bacterial cells, inorganic particles, colloid and the like, has the main characteristics of high water content (up to more than 99 percent), is easy to decompose and stink, has thinner particles and smaller specific gravity, is in a colloidal liquid state, is a thick substance between liquid and solid, can be transported by a pump, but is difficult to carry out solid-liquid separation by sedimentation, and when sewage treatment plants treat the sludge, the sludge is extruded in a treatment box by manually using a pressing plate, and solid impurities in the sludge are filtered out by extrusion.

Prior art application number CN202022273845.1 discloses a town sewage treatment plant's mud drying device, including drying equipment and base, the fixed drying equipment that has placed in upper end of base is provided with the scraper bowl on the both sides outer wall of stirring leaf edge respectively, and the upper end fixedly connected with baffle of scraper bowl, the rotation of body drives the scraper bowl rotation, rolls the mud of dry cylinder bottom accumulation, increases the area of contact with the hot air, makes the dehydration thoroughly.

Because the inside of mud can have a large amount of moisture before carrying out the processing, and if not carrying out preceding dehydration to mud, the mud stoving efficiency to the device produces the influence easily to the device is difficult to carry out swift mud dehydration, and lean on the heater alone to carry out heating stoving to the inside mud of blowing box, the stoving latency of device is longer, the holistic work efficiency of device is lower, and a large amount of heating heat in the device is not retrieved and is led to a large amount of energy wastage, the energy use cost of device is higher.

Disclosure of Invention

First, the technical problem to be solved

In order to overcome the defects of the prior art, the sludge drying mechanism for sewage treatment is provided, and solves the problems that the sludge drying efficiency of the device is easy to be influenced if the sludge is not dehydrated in advance, the device is difficult to carry out rapid sludge dehydration, the drying waiting time of the device is long, the whole working efficiency of the device is low, a large amount of heating heat in the device is not recovered to cause a large amount of energy waste, and the energy use cost of the device is high because the sludge is not dehydrated in advance.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a sludge drying mechanism for sewage treatment, which comprises a drying box, a discharging pipe, a feeding hopper, a power line, a discharging box and a heater, wherein the discharging pipe is arranged in a through hole pipeline at the top of the drying box, the top of the discharging pipe is connected with a pipeline at the bottom of the feeding hopper, the right side of the drying box is fixedly connected with the power line, a dehydration device is arranged above the drying box, an auxiliary drying device is arranged at the rear end of the drying box, the dehydration device comprises a fixing frame, a first electric push rod, a piston rod, a sewage collecting pipe, a second electric push rod, a screen and a partition plate, the top ends of the left side and the right side of the feeding hopper are connected with the fixing frame through bolts, the first electric push rod is fixedly connected with the top of the piston rod through bolts, the lower end of the outer side of the feeding hopper is welded with the sewage collecting pipe through a transverse plate, the lower end of the outer side of the feeding hopper is provided with a screen through bolts, the inner side of the feeding hopper is slidingly connected with the piston rod, the right side telescopic rod is welded with the left side of the partition plate, and the lower side of the partition plate is slidingly connected with the lower side of the left side of the slotting face.

Further, a discharging box is slidably arranged at the bottom in the drying box, and a heater is arranged on the outer side face of the discharging box.

Further, auxiliary drying device includes heating up pipeline, air supplementing box, heat exchanger, gas distribution pipe, filter screen, wet and hot air inlet tube, air-blower, drying box and drier package, the heater lateral surface is provided with the heating up pipeline, the stoving case rear end is provided with the heat exchanger, the heat exchanger left side is provided with the air supplementing box, stoving case top left end trompil respectively with the short pipe piping connection of gas distribution pipe bottom.

Further, the lower end part of the heating pipeline is connected with the front end pipeline on the right side of the air supplementing box through a guide pipe, and the top end on the left side of the air supplementing box is connected with the filter screen through a groove and a bolt.

Further, the upper end of the heating pipeline is connected with the rear end pipeline of the front end face of the gas distribution pipe through a guide pipe, the rear end of the left end of the top of the heat exchanger is provided with a wet and hot gas inlet pipe, and the wet and hot gas inlet pipe is connected with the through hole pipeline at the top end of the rear end face of the drying box.

Further, the air blower is fixed on the inner bottom of the air supplementing box through bolts, the drying box is mounted on the top end of the left side in the air supplementing box through groove welding, the drying box is filled with a drying agent bag on the inner side surface of the drying box, and an air outlet on the right side of the air blower is connected with the lower end part of the heating pipeline through a guide pipe.

Furthermore, the inner side surface of the heating pipeline is provided with wavy lines, and the inner side surfaces of the heating pipeline are respectively provided with and fixed with a flow blocking block.

Further, two filter screens are mounted on the bolt at the front end of the inner side surface of the wet hot air inlet pipe.

Further, the material of the air supplementing box is stainless steel.

Further, the material of the drying box is aluminum alloy.

(III) beneficial effects

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

1) According to the sludge drying mechanism for sewage treatment, the dehydration device is arranged above the drying box, and the sludge can be dehydrated through the first electric push rod, the piston rod, the sewage collecting pipe, the second electric push rod and the screen, so that the rapid dehydration treatment of the sludge is facilitated, the water content in the sludge is effectively reduced, and the working efficiency of the device for drying the sludge is improved.

2) According to the sludge drying mechanism for sewage treatment, the auxiliary drying device is arranged at the rear end of the drying box, and the auxiliary device can be dried and heat energy is recovered through the heating pipeline, the heat exchanger, the gas distribution pipe, the wet hot gas inlet pipe, the blower and the drying agent bag, so that the auxiliary drying of sludge is facilitated, the drying efficiency of the device on the sludge is effectively improved, the overall working efficiency of the device is improved, the drying heat in the device can be recovered, a large amount of energy waste is avoided, and the energy use cost of the device is reduced.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of the interior of the drying oven according to the present utility model;

FIG. 3 is a schematic perspective view of a dewatering device according to the present utility model;

FIG. 4 is a schematic view showing the internal structure of the dehydration engine according to the present utility model;

FIG. 5 is a schematic view showing a partial perspective structure of an auxiliary drying apparatus according to the present utility model;

FIG. 6 is a schematic view of the internal structure of the air compensating box of the utility model.

In the figure: the drying box-1, the dewatering device-2, the auxiliary drying device-3, the blanking pipe-4, the feed hopper-5, the power line-6, the blanking box-7, the heater-8, the fixing frame-21, the first electric push rod-22, the piston rod-23, the sewage collecting pipe-24, the second electric push rod-25, the screen mesh-26, the baffle plate-27, the heating pipeline-31, the air supplementing box-32, the heat exchanger-33, the air distributing pipe-34, the filter mesh-35, the wet and hot air inlet pipe-36, the blower-37, the drying box-38 and the drying agent bag-39.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

First embodiment:

referring to fig. 1 and 2, the present utility model provides a sludge drying mechanism for sewage treatment: including stoving case 1, unloading pipe 4, feeder hopper 5, power cord 6, blowing box 7 and heater 8, stoving case 1 top through-hole pipeline installation has unloading pipe 4, unloading pipe 4 top and feeder hopper 5 bottom pipe connection, stoving case 1 right side and 6 fixed connection of power cord, and the slip is provided with blowing box 7 in the stoving case 1, and blowing box 7 lateral surface is provided with heater 8.

Referring to fig. 1, 3 and 4, the utility model provides a sludge drying mechanism for sewage treatment, a dewatering device 2 is arranged above a drying box 1, an auxiliary drying device 3 is arranged at the rear end of the drying box 1, the dewatering device 2 comprises a fixing frame 21, a first electric push rod 22, a piston rod 23, a sewage collecting pipe 24, a second electric push rod 25, a screen 26 and a partition plate 27, the top ends of the left side and the right side of the feeding hopper 5 are all connected with the fixing frame 21 through bolts, the first electric push rod 22 is fixedly connected with the top of the fixing frame 21 through bolts, a telescopic rod at the bottom of the first electric push rod 22 is connected with the top of the piston rod 23 through bolts, the telescopic rod of the first electric push rod 22 is beneficial to driving the piston rod 23 to move and extrude and dewater, the lower end of the outer side of the feeding hopper 5 is welded with the sewage collecting pipe 24, the feeding hopper 5 is connected with the bottom of the second electric push rod 25 through a transverse plate through bolts, the screen 26 is convenient to block sludge, the inner side of the feeding hopper 5 is connected with the piston rod 23 through bolts, the telescopic rod at the right side of the second electric push rod 25 is welded with the left side of the partition plate 27, and the telescopic rod at the left side of the inner side of the partition plate 27 is beneficial to the sliding connection of the left side of the telescopic rod 27 of the inner side of the second electric push rod 25 with the left side of the partition plate 27.

Referring to fig. 1, 2, 5 and 6, the utility model provides a sludge drying mechanism for sewage treatment, the auxiliary drying device 3 comprises a heating pipeline 31, a wind supplementing box 32, a heat exchanger 33, a gas distributing pipe 34, a filter screen 35, a wet hot air inlet pipe 36, a blower 37, a drying box 38 and a drying agent bag 39, the heating pipeline 31 is arranged on the outer side surface of the heater 8, the heat exchanger 33 is arranged at the rear end of the drying box 1, the wind supplementing box 32 is arranged on the left side of the heat exchanger 33, the left end opening at the top of the drying box 1 is respectively connected with a short conduit pipe at the bottom of the gas distributing pipe 34, the lower end of the heating pipeline 31 is connected with a front end pipe at the right side of the wind supplementing box 32 through a conduit, the top end of the wind supplementing box 32 is connected with the filter screen 35 through a bolt, the filter screen 35 can filter impurities in air, the upper end of the heating pipeline 31 is connected with a rear end pipe at the front end of the gas distributing pipe 34 through a conduit, the rear end of the left end of the top of the heat exchanger 33 is provided with a hot and humid air inlet pipe 36, the hot and humid air inlet pipe 36 is connected with a through hole pipeline at the top end of the rear end surface of the drying box 1, a blower 37 is fixed at the inner bottom of the air supplementing box 32 by bolts, a drying box 38 is welded at the top end of the left side in the air supplementing box 32 by a groove, the inner side surface of the drying box 38 is filled with a drying agent bag 39, moisture in the air passing through the drying box 38 and the drying agent bag 39 is absorbed by the drying agent bag 39, an air outlet at the right side of the blower 37 is connected with the lower end part of the heating pipeline 31 by a conduit, the inner side surface of the heating pipeline 31 is provided with wavy lines, and a flow blocking block is arranged and fixed at the inner side surface of the heating pipeline 31, thereby being beneficial to reducing the flow velocity of air flow in the heating pipeline 31, being beneficial to the air flow to fully exchanging heat, two filter screens 35 are arranged at the front end bolt at the inner side surface of the inner side of the hot and humid air inlet pipe 36, and impurities in the hot water vapor can be filtered out, avoiding the occurrence of scale formation of a large amount of impurities in the heat exchange region inside the heat exchanger 33, resulting in a decrease in heat exchange efficiency.

Second embodiment:

the utility model provides a sludge drying mechanism for sewage treatment, wherein a power line 6 is respectively and electrically connected with a first electric push rod 22 and a second electric push rod 25, so that sufficient power supply support is provided for the full operation of the first electric push rod 22 and the second electric push rod 25, the power failure of a device in the working process is avoided, the second electric push rod 25 is arranged right above a drying box 1, the installation position of the second electric push rod 25 at the periphery of the drying box 1 is provided, and the installation speed of the device is improved.

The utility model provides a sludge drying mechanism for sewage treatment through improvement, and the working principle is as follows;

firstly, when the device is used, the device is firstly placed in a working area, and then the device is connected with an external power supply, so that the device can provide the required electric energy for the work of the device;

secondly, because the sludge is internally provided with a large amount of moisture before being treated, if the sludge is not dehydrated in advance, the sludge drying efficiency of the device is easy to be influenced, and the device is difficult to dehydrate the sludge rapidly, so that a user controls the sludge to feed through a control terminal and the fed sludge falls into the feed hopper 5, when the sludge in the feed hopper 5 reaches a proper position, the user stops feeding, simultaneously controls the heater 8 to start the heater 8 through the control terminal, the heater 8 heats the feeding box 7, then the user controls the first electric push rod 22 to start through the control terminal, the telescopic rod of the first electric push rod 22 drives the piston rod 23 to descend, and the descending piston rod 23 extrudes the sludge in the feed hopper 5, so that the moisture in the sludge starts to exude;

thirdly, because the sludge cannot pass through the screen 26 due to the influence of the screen 26, the squeezed water flows into the sewage collecting pipe 24 through the screen 26, sewage in the sewage collecting pipe 24 is gathered and discharged through a guide pipe at the right end of the bottom of the sewage collecting pipe 24, after the sewage is squeezed for a period of time, a user starts the first electric push rod 22 to retract through control terminal control, a telescopic rod retracted by the first electric push rod 22 drives the piston rod 23 to ascend, then the user starts the second electric push rod 25 to retract through control terminal control, the telescopic rod of the second electric push rod 25 drives the partition plate 27 to be far away from the feed hopper 5, along with the movement of the partition plate 27, the dehydrated sludge falls into the discharging pipe 4 under the influence of gravity, and the sludge reaches the inside of the discharging box 7 through the discharging pipe 4, so that the rapid dehydration treatment of the sludge is facilitated, the water content in the sludge is effectively reduced, and the work efficiency of the device for drying the sludge is improved;

fourth, when the heater 8 is used for heating and drying the sludge in the discharging box 7, the drying waiting time of the device is longer, the overall working efficiency of the device is lower, and a large amount of heating heat in the device is not recovered to cause a large amount of energy waste, and the energy use cost of the device is higher, so when the sludge falls into the feeding hopper 5 for drying, a user controls the air blower 37 to start through the control terminal, the air blower 37 sucks the outside air into the body, the air is filtered by the filter screen 35 before entering the air blower 37, most of impurities in the air are filtered out, and then the moisture in the air is absorbed by the drying agent bag 39 when the air passes through the drying box 38 and the drying agent bag 39;

fifth, the air outlet on the right side of the blower 37 pumps out the filtered and dried air flow through the guide pipe, the air flow moves in the heating pipeline 31 and exchanges heat with the heater 8, so that the air flow is preheated once, then the preheated air flow enters the air distribution pipe 34 through the heating pipeline 31, the air flow in the air distribution pipe 34 is respectively sprayed to the upper part of the sludge in the material placing box 7 through different short guide pipes, the sludge in the material placing box 7 is dried in an auxiliary manner, a large amount of high-temperature water vapor is generated in the drying box 1 when the sludge in the material placing box 7 is dried, at this time, the high-temperature water vapor enters the heat exchanger 33 through the wet and hot air inlet pipe 36 and exchanges heat with the water flow moving in the heat exchanger 33, the temperature of the air flow is reduced, the temperature of the water flow is increased, and the water flow with the increased temperature can perform a large amount of work, thus the auxiliary drying of the sludge is facilitated, the drying efficiency of the device is effectively improved, the whole working efficiency of the device is facilitated to be improved, and the drying heat in the device can be dried in an auxiliary manner, the energy waste is facilitated, and the energy waste of the device is reduced.

According to the sludge drying mechanism for sewage treatment, the dehydration device 2 is optimally arranged above the drying box 1, and the sludge can be dehydrated through the first electric push rod 22, the piston rod 23, the sewage collecting pipe 24, the second electric push rod 25 and the screen 26, so that the rapid dehydration treatment of the sludge is facilitated, the water content in the sludge is effectively reduced, and the working efficiency of the device for drying the sludge is improved; through optimizing and having set up supplementary drying device 3 in stoving case 1 rear end, through heating up pipeline 31, heat exchanger 33, gas-dividing pipe 34, wet and hot air admission pipe 36, air-blower 37 and drier package 39 can carry out stoving work and retrieve heat energy to auxiliary device, be favorable to carrying out supplementary stoving to mud like this, effectively improve the device to the drying efficiency of mud, help improving holistic work efficiency of device, and can retrieve the stoving heat of device inside, help avoiding a large amount of energy extravagant, be favorable to reducing the energy use cost of device.

Claims

1. The utility model provides a sludge drying mechanism for sewage treatment, includes stoving case (1) and heater (8), unloading pipe (4) are installed to stoving case (1) top through-hole pipeline, unloading pipe (4) top and feeder hopper (5) bottom pipe connection, stoving case (1) right side and power cord (6) fixed connection; the method is characterized in that: still include dewatering device (2) and auxiliary drying device (3), dewatering device (2) are located stoving case (1) top, auxiliary drying device (3) are located stoving case (1) rear end, dewatering device (2) are including mount (21) and baffle (27), the top of feeder hopper (5) left and right sides all with mount (21) bolted connection, mount (21) top bolt fastening has first electric putter (22), first electric putter (22) bottom telescopic link and piston rod (23) top bolted connection, feeder hopper (5) lateral surface lower extreme all welds with sewage collecting pipe (24), feeder hopper (5) are through diaphragm and second electric putter (25) bottom bolted connection, equal bolt mounting of feeder hopper (5) lateral surface lower extreme has screen cloth (26), feeder hopper (5) medial surface and piston rod (23) sliding connection, second electric putter (25) right side telescopic link welds with baffle (27) left side looks, baffle (27) and inboard side slotted end sliding connection.

2. The sludge drying mechanism for sewage treatment according to claim 1, wherein: the inner bottom of the drying box (1) is provided with a discharging box (7) in a sliding mode, and the outer side face of the discharging box (7) is provided with a heater (8).

3. The sludge drying mechanism for sewage treatment according to claim 1, wherein: auxiliary drying device (3) are including intensification pipeline (31) and drier package (39), heater (8) lateral surface is provided with intensification pipeline (31), stoving case (1) rear end is provided with heat exchanger (33), heat exchanger (33) left side is provided with air supplementing case (32), stoving case (1) top left end trompil is connected with the short pipe of gas distribution pipe (34) bottom respectively.

4. A sludge drying mechanism for sewage treatment according to claim 3, wherein: the lower end part of the heating pipeline (31) is connected with the front end pipeline on the right side of the air supplementing box (32) through a guide pipe, and the top end of the left side of the air supplementing box (32) is connected with the filter screen (35) through a groove.

5. The sludge drying mechanism for sewage treatment according to claim 4, wherein: the upper end of the heating pipeline (31) is connected with the rear end pipeline of the front end face of the gas distribution pipe (34) through a guide pipe, the rear end of the left end of the top of the heat exchanger (33) is provided with a wet hot gas inlet pipe (36), and the wet hot gas inlet pipe (36) is connected with the through hole pipeline at the top end of the rear end face of the drying box (1).

6. The sludge drying mechanism for sewage treatment according to claim 5, wherein: the novel drying box is characterized in that a blower (37) is fixed to the inner bottom of the air supplementing box (32) through bolts, a drying box (38) is mounted on the top end of the inner left side of the air supplementing box (32) through groove welding, a drying agent bag (39) is filled in the inner side face of the drying box (38), and the air outlet on the right side of the blower (37) is connected with the lower end portion of the heating pipeline (31) through a guide pipe.

7. A sludge drying mechanism for sewage treatment according to claim 3, wherein: the inner side face of the heating pipeline (31) is provided with wavy lines, and the inner side faces of the heating pipeline (31) are provided with and fixed with baffle blocks.

8. The sludge drying mechanism for sewage treatment according to claim 5, wherein: two filter screens (35) are mounted on the front end bolt of the inner side surface of the wet and hot air inlet pipe (36).