CN211445478U

CN211445478U - Heat pump type sludge low-temperature dehumidifying and drying device

Info

Publication number: CN211445478U
Application number: CN201921910599.7U
Authority: CN
Inventors: 朱君亮; 朱建华; 潘善琳
Original assignee: Shanghai Lianghui Environmental Prot Machinery Co ltd
Current assignee: Shanghai Lianghui Environmental Prot Machinery Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-09-08
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a heat pump type sludge low-temperature dehumidifying and drying device, which comprises a base, wherein the base is fixedly arranged on the ground, a drying main machine is arranged above the base, the drying main machine is provided with a drying main machine outer cover, a stainless steel drying mesh belt is arranged inside the drying main machine, the two ends of the stainless steel drying mesh belt are driven by a first transmission shaft and a transmission wheel, the first transmission shaft at one side of the stainless steel drying mesh belt is covered by a first transmission shaft end cover, the first transmission shaft end cover is fixedly arranged on the outer cover of the drying main machine by a screw, the front end of the outer cover of the drying main machine is communicated with the heat pump device, the outer surface of the heat pump device is provided with a controller, the left lower end of the drying main machine is provided with a spiral discharging device, the spiral discharging device is connected with the bucket elevator, a dry material bin is arranged at a discharging pipeline of the bucket elevator, and the dry material bin is fixedly installed on the ground through a dry material bin base. The beneficial effects of the utility model are that, simple structure, the practicality is strong.

Description

Heat pump type sludge low-temperature dehumidifying and drying device

Technical Field

The utility model relates to an environmental protection machinery, especially a heat pump type mud low temperature dehumidification drying device.

Background

The urbanization level of China is continuously improved, the sewage treatment capacity is continuously increased, the output of excess sludge is also increased rapidly along with the construction and commissioning of sewage treatment plants, the water content of the sludge is high, the volume is large, and great difficulty is brought to transportation, storage and final treatment. The sewage treatment capacity of small-scale treatment facilities such as small-scale sewage treatment plants, industrial and mining enterprises and the like in China at present accounts for a considerable proportion, most of the small-scale sewage treatment facilities are only provided with relatively simple sludge treatment equipment, the water content after sludge dewatering is about 80%, the requirements of the national environmental protection department cannot be met, and the sludge treatment equipment in the prior art has the problems of overhigh energy consumption and poor drying effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a heat pump type sludge low-temperature dehumidifying and drying device is designed.

The technical scheme of the utility model is that the heat pump type sludge low-temperature dehumidifying and drying device comprises a base, wherein the base is fixedly arranged on the ground, a drying host is arranged above the base and provided with a drying host cover, a stainless steel drying mesh belt is arranged inside the drying host, two ends of the stainless steel drying mesh belt are driven by a first transmission shaft and a transmission wheel, the first transmission shaft at one side of the stainless steel drying mesh belt is connected with a driving motor arranged on the drying host cover, the first transmission shaft at the other side is covered by a first transmission shaft end cover, the first transmission shaft end cover is fixedly arranged on the drying host cover by screws, the front end of the drying host cover is communicated with a heat pump device, the outer surface of the heat pump device is provided with a controller, the left lower end of the drying host is provided with a spiral discharging device, the spiral discharging device is connected with a bucket elevator, the drying machine is characterized in that a dry material bin is arranged at the discharge pipeline of the bucket elevator, the dry material bin is fixedly installed on the ground through a dry material bin base, a material distribution device is arranged at the upper right end of the drying main machine and connected with a sludge feeding device, and a power distribution and control device is arranged outside the drying main machine.

The sludge feeding device is fixedly installed on the rear right side of the drying main machine, the sludge feeding device is provided with a storage bin, the bottom end of the storage bin is provided with a feeding pipeline, the feeding pipeline is connected with a screw pump through the storage bin, the connecting end of the feeding pipeline and the storage bin is provided with a valve, and the bottommost part of the sludge feeding device is provided with a sludge low-temperature dehumidifying and drying device base.

The distributing device comprises a distributing device outer cover fixedly mounted on the drying host machine, a first screw rod fixedly mounted inside the distributing device outer cover and a motor fixedly mounted on the drying host machine, and baffle plates are arranged at the front ends of the motor and the distributing device outer cover.

The heat pump device is fixedly installed on the base, the heat pump device is provided with a heat pump device outer cover, a primary filter is arranged on the contact surface of the heat pump device and the drying host, a bag filter is arranged in the vertical direction of the primary filter, an energy saver is arranged below the bag filter, a condensation heating and electric heater is arranged on the side edge of the energy saver, the condensation heating and electric heater are connected with a condenser fixedly installed at the bottom of the heat pump device through a pipeline, dehumidification evaporators are arranged on the left side and the right side of the condenser, fins are arranged on the outer sides of the dehumidification evaporators, and a fan is arranged on the outer sides of.

The fan is composed of a fan motor, a fan bin and a foot rest.

The spiral discharging device is composed of a second spiral rod and a cover of the spiral discharging device installed at the bottom end of the cover of the drying main machine, and spiral rod end covers are arranged on two sides of the cover of the spiral discharging device.

The bucket is carried the machine and is linked to each other with spiral discharging device, the bucket is carried the machine and is equipped with the bucket and carries quick-witted dustcoat, the bucket is carried the vertical direction of quick-witted dustcoat and is equipped with a plurality of strengthening ribs, the bucket is carried quick-witted inside upper and lower both ends and is equipped with two pulleys, the pulley surface is equipped with the conveyer belt, the conveyer belt surface is equipped with a plurality of hoppers and arranges according to certain clearance, pulley central point puts and has run through by the second transmission shaft, the bucket is carried quick-witted dustcoat pulley position left and right sides both ends and is equipped with the second transmission shaft end cover, the bucket is carried.

And a plurality of inclined reinforcing ribs are arranged on the bottom frame of the dry material bin.

And a control panel and a plurality of display panels are arranged on the outer surface of the power distribution and control device.

The power distribution and control device is electrically connected with the drying host machine and the heat pump device.

Utilize the technical scheme of the utility model a heat pump type mud low temperature dehumidification drying device of preparation, this equipment can be with moisture content 40% to 80% mud, mummification to 10% -40%, the interval is adjustable, reach the minimizing of mud, it is stable, innoxious target, adopt multistage energy-conserving mummification technology, the dehydration dehumidification ability obviously improves, it is more than 50% energy-conserving than traditional dry mode, do not have dry tail gas emission, need not tail gas cleanup unit, the totally enclosed structural design of a whole set of drying device, the foul smell is not excessive, do not need to install tail gas treatment system, the processing technology that the condensate COD content of emission is low and need not to be responsible, the low temperature operation is safer, no dust produces, the thermal efficiency is high, adopt multistage energy-saving technology, the operation cost is saved, the modularized design, the field installation is swift, it is little to account.

Drawings

FIG. 1 is a schematic structural diagram of a heat pump type sludge low-temperature dehumidifying and drying device according to the present invention;

FIG. 2 is a schematic diagram of an internal structure of a drying main unit of the heat pump type sludge low-temperature dehumidifying and drying apparatus of the present invention;

FIG. 3 is a schematic structural diagram of a heat pump device of the heat pump type sludge low-temperature dehumidifying and drying apparatus according to the present invention;

FIG. 4 is a schematic structural diagram of a feeding device of the heat pump type sludge low-temperature dehumidifying and drying device of the present invention;

FIG. 5 is a schematic structural diagram of a bucket elevator of the heat pump type sludge low-temperature dehumidifying and drying apparatus of the present invention;

FIG. 6 is a schematic diagram of a screw rod structure of a distributor of the heat pump type sludge low-temperature dehumidifying and drying apparatus of the present invention;

FIG. 7 is a schematic structural diagram of the inside of a spiral feeding mechanism of the heat pump type sludge low-temperature dehumidifying and drying device of the present invention;

FIG. 8 is a block diagram of the electrical connection relationship between the power distribution and control device of the heat pump type sludge low-temperature dehumidifying and drying device and the drying main machine, the heat pump device, the bucket elevator and the screw pump.

In the figure, 1, a base; 2. drying the main machine; 3. drying the outer cover of the main machine; 4. a stainless steel drying mesh belt; 5. a first drive shaft; 6. a driving wheel; 7. a drive motor; 8. a first drive shaft end cover; 9. a heat pump device; 10. a controller; 11. a spiral discharging device; 12. a bucket elevator; 13. a discharge pipeline; 14. a dry bin; 15. a dry bin chassis; 16. a material distribution device; 17. a sludge feeding device; 18. a power distribution and control device; 19. a storage bin; 20. a feed conduit; 21. a screw pump; 22. a valve; 23. a sludge feeding device base; 24. a distributing device outer cover; 25. a first screw rod; 26. a heat pump device housing; 27. a primary filter; 28. a bag filter; 29. An energy saver; 30. a condensing heater and an electric heater; 31. a pipeline; 32. a condenser; 33. a dehumidification evaporator; 34. a fin; 35. a fan motor; 36. a fan bin; 37. a foot rest; 38. a housing; 39. a second screw rod; 40. a screw rod end cover; 41. a bucket elevator housing; 42. reinforcing ribs; 43. a pulley; 44. a conveyor belt; 45. a hopper; 46. a second drive shaft; 47. a second drive shaft end cap; 48. a bucket elevator motor; 49. oblique reinforcing ribs; 50. a control panel; 51. a display panel.

Detailed Description

The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1, a heat pump type sludge low temperature dehumidifying and drying device comprises a base 1, wherein the base 1 is fixedly installed on the ground, a drying main machine 2 is arranged above the base 1, the drying main machine 2 is provided with a drying main machine cover 3, as shown in fig. 2, a stainless steel drying mesh belt 4 is arranged inside the drying main machine 2, two ends of the stainless steel drying mesh belt 4 are driven by a first transmission shaft 5 and a transmission wheel 6, the first transmission shaft 5 at one side of the stainless steel drying mesh belt 4 is connected with a driving motor 7 installed on the drying main machine cover 3, the first transmission shaft 5 at the other side is covered by a first transmission shaft end cover 8, the first transmission shaft end cover 8 is fixedly installed on the drying main machine cover 3 by screws, the front end of the drying main machine cover 3 is communicated with a heat pump device 9, a controller 10 is arranged on the outer surface of, 2 left lower extremes of stoving host computer are equipped with spiral discharging device 11, spiral discharging device 11 links to each other with bucket elevator 12, 12 discharge pipe 13 departments of bucket elevator are equipped with dry feed bin 14, dry feed bin 14 is subaerial by dry feed bin underframe 15 fixed mounting, 2 upper right ends of stoving host computer are equipped with distributing device 16, distributing device 16 is connected with mud feedway 17, 2 outer distribution and the controlling means 18 that are provided with of stoving host computer.

As shown in fig. 4, the sludge feeding device 17 is fixedly installed at the rear right of the drying main machine, the sludge feeding device 17 is provided with a storage bin 19, a feeding pipeline 20 is arranged at the bottom end of the storage bin 19, the feeding pipeline 20 is connected with a screw pump 21 through the storage bin 19, a valve 22 is arranged at the connecting end of the feeding pipeline 20 and the storage bin 19, and a sludge feeding device base 23 is arranged at the bottommost part of the sludge feeding device 17; the distributing device 16 is composed of a distributing device outer cover 24 fixedly installed on the drying main machine 2, a first screw rod 25 fixedly installed inside the distributing device outer cover 24 and shown in fig. 6, and a motor fixedly installed on the drying main machine 2, and baffle plates are arranged at the front ends of the motor and the distributing device outer cover 24. In this embodiment, open the valve of conveying pipeline among the feed arrangement, mud in the storage silo passes through the pipeline through the screw pump pressurization, send into mud in the distributing device that is located the stoving host computer top, after the stirring of the first hob in the distributing device, evenly spread mud on the inside stainless steel drying mesh belt of stoving host computer, thereby the rotation that the motor drove first transmission shaft drives the rotation of stainless steel drying mesh belt, mud is moved to the other end by stainless steel mesh belt and falls into lower floor's mesh belt. Advance the reciprocal mud of many layers and be heated by hot air futilely, moisture evaporation and dry gradually fall into screw feeder at last, and screw feeder sends mud into the bucket and carries the machine, and it promotes the back and gets into dry stock bin and keep in waiting to examine through the bucket.

The heat pump device 9 is fixedly installed on the base 1, as shown in fig. 3, the heat pump device 9 is provided with a heat pump device outer cover 26, a primary filter 27 is arranged on a contact surface of the heat pump device 9 and the drying host machine 2, a bag filter 28 is arranged in a vertical direction of the primary filter 27, an economizer 29 is arranged below the bag filter 28, a condensation heating and electric heater 30 is arranged on a side edge of the economizer 29, the condensation heating and electric heater 30 is connected with a condenser 32 fixedly installed at the bottom of the heat pump device 9 through a pipeline 31, dehumidification evaporators 33 are arranged on the left side and the right side of the condenser 32, fins 34 are arranged on the outer sides of the dehumidification evaporators 33, and fans are arranged on the outer sides of the fins; the fan is composed of a fan motor 35, a fan bin 36 and a foot rest 37. In this embodiment, the hot and dry air enters the drying main machine through the blower, the hot and dry air upwards passes through the sludge layer on each layer of stainless steel mesh belt, the moisture in the absorbed sludge becomes high-humidity air, the high-humidity air laterally passes through the bag filter after entering the heat pump device through the primary filter, the high-humidity air passes through one side of the energy saver, the high-humidity air passes through the fins of the dehumidification evaporator after the temperature is reduced, the moisture is condensed and separated out and then becomes low-temperature dry air, the separated moisture is collected to the bottom and is discharged into the sewage treatment tank after being measured, the low-temperature dry air upwards enters the other side of the energy saver, the temperature is increased, the low-temperature dry air becomes the hot and dry air after passing through the condensation heating and the electric heater, the hot and dry air enters the blower bin and.

As shown in fig. 7, the spiral discharging device 11 is composed of a spiral discharging device housing 38 and a second spiral rod 39, which are installed at the bottom end of the drying main machine housing 3, and spiral rod end covers 40 are arranged on two sides of the spiral discharging device housing 38.

As shown in fig. 5, the bucket elevator 12 is connected to the spiral discharging device 11, the bucket elevator 12 is provided with a bucket elevator outer cover 41, the bucket elevator outer cover 41 is provided with a plurality of reinforcing ribs 42 in the vertical direction, two pulleys 43 are arranged at the upper end and the lower end inside the bucket elevator 12, a conveyor belt 44 is arranged on the surface of each pulley 43, a plurality of hoppers 45 are arranged on the surface of each conveyor belt 44 at certain intervals, a second transmission shaft 46 penetrates through the center of each pulley 43, second transmission shaft end covers 47 are arranged on the left side and the right side of the pulley position of the bucket elevator outer cover 41, and a bucket elevator motor 48 is arranged outside the upper pulley 43 of the bucket elevator; the dry material bin underframe 15 is provided with a plurality of inclined reinforcing ribs 49; the power distribution and control device 18 has a control panel 50 and a plurality of display panels 51 on its outer surface.

As shown in fig. 8, the power distribution and control device 18 is electrically connected to the drying main machine 2, the heat pump device 9, the bucket elevator 12, and the screw pump 21.

In the embodiment, the device can be used in the occasions without heat sources of treatment items such as municipal sludge, printing and dyeing sludge, papermaking sludge, chemical sludge, pharmaceutical sludge, electroplating sludge, leather sludge and the like, is an environment-friendly, efficient and energy-saving integrated device, can be used for drying sludge with the water content of 40-80% to the water content of 10-40%, and can be adjusted in intervals, so that the reduction, stabilization and harmless targets of the sludge are achieved; the equipment has high dehumidification efficiency, adopts a multi-stage energy-saving drying process, obviously improves the dehydration and dehumidification capacity, and saves more than 50 percent of energy compared with the traditional drying mode; the equipment has no dry tail gas emission, no tail gas purification device is needed, the whole set of drying device is designed in a fully-closed structure, ozone does not leak, no tail gas treatment device is needed to be installed, the COD content of the discharged condensate is low, and the responsible treatment process is not needed; the low-temperature operation is safer, no dust is generated, the sludge is dried in a granular form when the sludge works at the fully-closed low temperature of 50-75 ℃, the granules are basically not stirred, no dust is generated basically, and no dust raising and explosion hidden danger exist; the heat efficiency is high, the heat energy is fully utilized, and the operation cost is saved by adopting the latest multi-stage energy-saving technology; the modularized design and the field installation are rapid. The whole equipment is made of corrosion-resistant high-quality stainless steel materials, so that the service life is long, the modular design is realized, the field assembly is convenient, and the occupied area is small.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. A heat pump type sludge low-temperature dehumidifying and drying device comprises a base (1) and is characterized in that the base (1) is fixedly installed on the ground, a drying host (2) is arranged above the base (1), a drying host outer cover (3) is arranged on the drying host (2), a stainless steel drying mesh belt (4) is arranged inside the drying host (2), two ends of the stainless steel drying mesh belt (4) are driven by a first transmission shaft (5) and a transmission wheel (6), the first transmission shaft (5) on one side of the stainless steel drying mesh belt (4) is connected with a driving motor (7) installed on the drying host outer cover (3), the first transmission shaft (5) on the other side is covered by a first transmission shaft end cover (8), the first transmission shaft end cover (8) is fixedly installed on the drying host outer cover (3) through screws, and the front end of the drying host outer cover (3) is communicated with a heat pump device (9), the outer surface of the heat pump device (9) is provided with a controller (10), the lower left end of the drying host (2) is provided with a spiral discharging device (11), the spiral discharging device (11) is connected with a bucket elevator (12), the bucket elevator (12) discharging pipeline (13) is provided with a drying bin (14), the drying bin (14) is fixedly installed on the ground through a drying bin chassis (15), the upper right end of the drying host (2) is provided with a distributing device (16), and the distributing device (16) is connected with a sludge feeding device (17).

2. A heat pump type sludge low-temperature dehumidifying and drying device according to claim 1, wherein the sludge supply device (17) is fixedly installed at the rear right side of the drying main machine, the sludge supply device (17) is provided with a storage bin (19), a feeding pipeline (20) is arranged at the bottom end of the storage bin (19), the feeding pipeline (20) is connected with a screw pump (21) through the storage bin (19), a valve (22) is arranged at the connecting end of the feeding pipeline (20) and the storage bin (19), and a sludge supply device base (23) is arranged at the bottommost portion of the sludge supply device (17).

3. A heat pump type sludge low-temperature dehumidifying and drying device according to claim 1, wherein the distributing device (16) comprises a distributor housing (24) fixedly installed on the drying main machine (2), a first screw rod (25) fixedly installed inside the distributor housing (24), and a motor fixedly installed on the drying main machine (2), and the motor and the distributor housing (24) are provided with a baffle plate at the front end.

4. A heat pump type sludge low-temperature dehumidifying and drying device according to claim 1, wherein the heat pump device (9) is fixedly installed on a base (1), the heat pump device (9) is provided with a heat pump device cover (26), a primary filter (27) is arranged on a contact surface of the heat pump device (9) and the drying main machine (2), a bag filter (28) is arranged in a vertical direction of the primary filter (27), an economizer (29) is arranged below the bag filter (28), a condensing heating and electric heater (30) is arranged on a side edge of the economizer (29), the condensing heating and electric heater (30) is connected with a condenser (32) fixedly installed at the bottom of the heat pump device (9) through a pipeline (31), dehumidifying evaporators (33) are arranged on the left and right sides of the condenser (32), and fins (34) are arranged on the outer side of the dehumidifying evaporators (33), and a fan is arranged on the outer side of the fin (34).

5. A heat pump type sludge low-temperature dehumidifying and drying device according to claim 4, wherein the fan is composed of a fan motor (35), a fan chamber (36) and a foot rest (37).

6. A heat pump type sludge low-temperature dehumidifying and drying device according to claim 1, wherein the screw discharging device (11) is composed of a screw discharging device housing (38) mounted at the bottom end of the drying main machine housing (3) and a second screw rod (39), and screw rod end caps (40) are provided at two sides of the screw discharging device housing (38).

7. A heat pump type sludge low-temperature dehumidifying and drying device according to claim 1, wherein the bucket elevator (12) is connected with the spiral discharging device (11), the bucket elevator (12) is provided with a bucket elevator outer cover (41), the bucket elevator outer cover (41) is provided with a plurality of reinforcing ribs (42) in the vertical direction, two pulleys (43) are arranged at the upper end and the lower end of the inside of the bucket elevator (12), a conveyor belt (44) is arranged on the surface of each pulley (43), a plurality of hoppers (45) are arranged on the surface of each conveyor belt (44) at a certain interval, a second transmission shaft (46) penetrates through the center of each pulley (43), second transmission shaft end covers (47) are arranged on the left side and the right side of the pulley position of the bucket elevator outer cover (41), and a bucket elevator motor (48) is arranged outside the pulley (43) on the bucket elevator.

8. A heat pump type sludge low-temperature dehumidifying and drying device according to claim 1, wherein the dry bin base frame (15) is provided with a plurality of inclined reinforcing ribs (49).

9. A heat pump type sludge low-temperature dehumidifying and drying device according to claim 1, wherein a power distribution and control device (18) is disposed outside the drying main machine (2), and a control panel (50) and a plurality of display panels (51) are disposed on an outer surface of the power distribution and control device (18).

10. A heat pump type sludge low-temperature dehumidifying and drying device according to claim 9, wherein the power distribution and control device (18) is electrically connected with the drying main machine (2), the heat pump device (9), the bucket elevator (12) and the screw pump (21).