CN216427063U - Sludge drying equipment - Google Patents
Sludge drying equipment Download PDFInfo
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- CN216427063U CN216427063U CN202122626501.9U CN202122626501U CN216427063U CN 216427063 U CN216427063 U CN 216427063U CN 202122626501 U CN202122626501 U CN 202122626501U CN 216427063 U CN216427063 U CN 216427063U
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- air distribution
- air outlet
- sludge drying
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- 238000001035 drying Methods 0.000 title claims abstract description 52
- 239000010802 sludge Substances 0.000 title claims abstract description 44
- 238000009826 distribution Methods 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 239000000428 dust Substances 0.000 claims description 18
- 239000004744 fabric Substances 0.000 claims description 12
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 230000001174 ascending effect Effects 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a sludge drying device, which comprises a box body, a conveying assembly, a power assembly and a drying assembly, wherein the conveying assembly, the power assembly and the drying assembly are arranged in the box body; the power assembly comprises a motor and a transmission belt, one end of the transmission belt is wound on the motor, the other end of the transmission belt is wound on the plurality of groups of conveying assembly guide rollers from top to bottom, and the rotating directions of two adjacent guide rollers are opposite; the drying component comprises a heat pump unit, a first air distribution component and a second air distribution component, an air inlet of the heat pump unit is communicated with an air outlet through an air inlet pipe, and an air outlet of the heat pump unit is communicated with the first air distribution component and the second air distribution component through air outlet pipes respectively. The energy generated by the heat pump is fully utilized, and the energy consumption is greatly reduced while the drying effect is ensured.
Description
Technical Field
The utility model relates to a sludge treatment technical field especially relates to a sludge drying equipment.
Background
The sludge is a byproduct generated in the sewage treatment process, the water content is about 97-99%, the water content is reduced to 80-85% after being dehydrated by conventional mechanical dehydration equipment, and the sludge is directly subjected to resource utilization or high in final treatment cost due to high water content, complex and variable components, rich in organic matters, heavy metals, pathogenic bacteria, parasitic bacteria and the like. At present, the sludge production amount in China is large, and the growth trend of the sludge is continuously high year by year. Ten items of water provide new requirements for sludge treatment and disposal in China: sludge produced by sewage treatment facilities is subjected to stabilization, harmless and recycling treatment. In order to unify the sludge disposal technology, the building department and the environmental protection department have sequentially issued a series of standard requirements of sludge disposal, and stipulate the standard requirement that the sludge is required to be dewatered to the water content of below 50% for the purpose of transporting the sludge to the factory by a sewage treatment plant for storage (namely, no treatment). Therefore, the drying and reduction treatment of the sludge is especially necessary.
The sludge drying system is a deep dehydration system for sludge with higher water content, and the dried sludge is more beneficial to resource utilization and final disposal of the sludge. The existing drying system is a low-temperature drying system which adopts the technical principle of a dehumidification heat pump, unsaturated dry air is heated by utilizing a condenser end of the heat pump system and then dried on wet materials, saturated wet air is dehumidified at an evaporator end of the heat pump system, unsaturated dry air is formed again for heating, the drying system is circulated in the way to dry the materials, and the generation and the emission of waste gas pollutants are greatly reduced. However, in the prior art, most sludge heat pump drying equipment has the problems of unsatisfactory drying effect and high equipment energy consumption due to insufficient energy utilization.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a sludge drying device, the energy produced by a heat pump is fully utilized, and the energy consumption is greatly reduced while the drying effect is ensured.
In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:
a sludge drying device comprises a box body, a conveying assembly, a power assembly and a drying assembly, wherein the conveying assembly, the power assembly and the drying assembly are arranged in the box body, a feeding hole, a discharging hole and an air outlet are formed in the box body, the conveying assembly comprises a guide roller which is rotatably arranged in the box body and a conveying mesh belt which is wound on the guide roller, and the conveying assembly comprises a plurality of groups which are arranged in parallel from top to bottom; the power assembly comprises a motor and a transmission belt, one end of the transmission belt is wound on the motor, the other end of the transmission belt is wound on the plurality of groups of conveying assembly guide rollers from top to bottom, and the rotating directions of two adjacent guide rollers are opposite; the dry subassembly includes heat pump set, first cloth wind subassembly and second cloth wind subassembly, heat pump set's air intake passes through air-supply line and gas outlet intercommunication, and the air outlet passes through the outlet duct respectively with first cloth wind subassembly and second cloth wind subassembly intercommunication, first cloth wind subassembly sets up in the bottom of box, is located the below of lower floor's conveyor components, second cloth wind subassembly sets up between the upper and lower conveying mesh belt of the uppermost layer conveyor components.
Preferably, the first air distribution assembly and the second air distribution assembly are identical in structure, the first air distribution assembly comprises a plurality of air distribution cylinders which are arranged in parallel, the air distribution cylinders are communicated with the air outlet pipe through connecting pipes, air outlet grooves are formed in the air distribution cylinders along the axial direction, two guide plates are arranged on two sides of each air outlet groove, and the included angle between the two guide plates is 30-120 degrees.
Preferably, the air-conditioning system also comprises a fan assembly arranged in the box body, the fan assembly comprises a fan, an air collecting ring connected to an air inlet of the fan through a connecting pipe, and a blast pipe connected to an air outlet of the fan through a connecting pipe, and the blast pipe is provided with an air outlet groove.
Preferably, the cross section of the gas collecting ring is in a trapezoidal structure with the width gradually reduced along the flowing direction of the gas flow.
Preferably, the cross section of the blast pipe is in a trapezoidal structure with the width gradually reduced along the airflow flowing direction.
Preferably, the dust collector also comprises a dust collection cylinder, one end of the dust collection cylinder is communicated with the air outlet, the other end of the dust collection cylinder is communicated with the air inlet pipe, and the dust collection cylinder is of a conical structure, the width of the dust collection cylinder is gradually reduced along the airflow flowing direction.
Preferably, the device further comprises a slitter, wherein the slitter is arranged at the feeding port.
Compared with the prior art, the beneficial effects of the utility model reside in that: in the utility model, the multi-group conveying components are driven by the single-group power component to drive all the conveying net belts to convey sludge, thereby reducing the drying energy consumption; dry hot air is uniformly fed through the first air distribution assembly at the bottom of the box body, so that sludge is dried more uniformly, and the drying effect is optimized; the conveying mesh belt on the uppermost layer of the box body is dried by utilizing the hot ascending air flow on the lower layer, and simultaneously, the dry hot air introduced by the second air distribution assembly is used for drying, so that the utilization rate of the hot air is improved, the drying energy consumption is further reduced, and the drying degree is enhanced; and the air in the equipment is closed and circulated, so that the equipment has no environmental pollution, realizes near zero emission and is green and environment-friendly.
Drawings
FIG. 1 is a schematic structural view of a sludge drying apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a schematic structural view of the first air distribution assembly in FIG. 1;
FIG. 3 is a schematic structural view of the blower assembly of FIG. 1;
wherein, 1 is a box body, 11 is a feed inlet, 12 is a discharge outlet, 13 is an air outlet, 14 is a baffle, 201 is a guide roller, 202 is a conveying mesh belt, 21 is a first conveying component, 22 is a second conveying component, 23 is a third conveying component, 31 is a motor, 32 is a transmission belt, 401 is an air distribution cylinder, 402 is a guide plate, 403 is a connecting pipe, 41 is a heat pump unit, 42 is a first air distribution component, 43 is a second air distribution component, 44 is an air inlet pipe, 45 is an air outlet pipe, 5 is a dust removal cylinder, 6 is a fan component, 61 is an air collecting ring, 62 is a blast pipe, 63 is a fan, and 7 is a slitter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, in order to provide a sludge drying apparatus in a preferred embodiment of the present invention, the sludge drying apparatus includes a box 1, a conveying assembly, a power assembly and a drying assembly, the conveying assembly, the power assembly and the drying assembly are disposed in the box 1, a feed inlet 11, a discharge outlet 12 and a gas outlet 13 are disposed on the box 1, the conveying assembly includes a guide roller 201 rotatably disposed in the box 1 and a conveying mesh belt 202 wound on the guide roller 201, the conveying assembly includes a plurality of sets disposed in parallel from top to bottom, as shown in fig. 1, the conveying assembly includes three sets of conveying assemblies, i.e., a first conveying assembly 21, a second conveying assembly 22 and a third conveying assembly 23, and the lower conveying mesh belt receives sludge dried by the upper conveying mesh belt; the power assembly comprises a motor 31 and a transmission belt 32, one end of the transmission belt is wound on the motor 31, the other end of the transmission belt is wound on a plurality of groups of conveying assembly guide rollers 201 from top to bottom, the rotating directions of two adjacent guide rollers are opposite, namely, sludge is conveyed and dried in the box body 1 from top to bottom through a plurality of conveying mesh belts; the drying component comprises a heat pump unit 41, a first air distribution component 42 and a second air distribution component 43, an air inlet of the heat pump unit 41 is communicated with the air outlet 13 through an air inlet pipe 44, an air outlet is respectively communicated with the first air distribution component 42 and the second air distribution component 43 through an air outlet pipe 45, the first air distribution component 42 is arranged at the bottom of the box body 1 and is positioned below the lowest layer of conveying component, and the second air distribution component 43 is arranged between the upper conveying mesh belt 202 and the lower conveying mesh belt 202 of the uppermost layer of conveying component. In the utility model, the multi-group conveying components are driven by the single-group power component to drive all the conveying mesh belts 202 to convey sludge, thereby reducing the drying energy consumption; dry hot air enters uniformly through the first air distribution assembly 42 at the bottom of the box body 1, so that sludge drying is more uniform, and the drying effect is optimized; the conveying mesh belt 202 on the uppermost layer of the box body 1 is dried by the hot ascending air flow on the lower layer and simultaneously dried by the dry hot air introduced by the second air distribution assembly 43, so that the utilization rate of the hot air is improved, the drying energy consumption is further reduced, and the drying degree is enhanced; and the air in the equipment is closed and circulated, so that the equipment has no environmental pollution, realizes near zero emission and is green and environment-friendly.
Specifically, in order to facilitate collection of the dried material, a baffle 14 inclined towards the discharge port 12 is arranged at the discharge port 12.
Specifically, referring to fig. 2, the first air distribution assembly 42 and the second air distribution assembly 43 have the same structure, the first air distribution assembly 42 includes a plurality of air distribution cylinders 401 arranged in parallel, the plurality of air distribution cylinders 401 are communicated with the air outlet pipe 45 through a connecting pipe 403, air outlet grooves are axially formed in the air distribution cylinders 401, two guide plates 402 are arranged on two sides of each air outlet groove, and an included angle between the two guide plates 402 is 30-120 °. The air distribution cylinder 401 forms a storage space of dry hot air, so that the dry hot air is uniformly discharged, the guide plate 402 can form a similar diameter-expanding structure, the flow velocity of the dry hot air is reduced while the diffusion surface of the dry hot air is increased, the contact time between the dry hot air and sludge on the conveying mesh belt 202 is prolonged, the dust flying phenomenon of the dried sludge caused by overlarge wind force at the bottom is avoided, and the relatively clean environment in the box body 1 is ensured.
Specifically, referring to fig. 3, in order to improve the flow rate of the bottom hot and humid air passing through the uppermost layer of the conveying mesh belt 202, the apparatus further includes a fan assembly disposed in the box 1, the fan assembly includes a fan 63, a gas collecting ring 61 connected to an air inlet of the fan 63 through a connecting pipe, and a blast pipe 62 connected to an air outlet of the fan 63 through a connecting pipe, and an air outlet slot is disposed on the blast pipe 52. Further, in order to increase the adsorption area of the moist and hot air at the bottom, the cross section of the air collecting ring 61 is a trapezoidal structure with the width gradually decreasing along the airflow flowing direction. Further, in order to increase the wind speed at the air outlet slot, the drying process is realized by using the high speed of the hot and humid air in cooperation with the hot and dry air of the second air distribution assembly 43, and the cross section of the blast pipe 62 is in a trapezoidal structure with the width gradually reduced along the flowing direction of the air flow. Further, in order to achieve a better drying process, the blast pipe 62 and the air distribution cylinder 401 are arranged alternately.
Specifically, the equipment further comprises a dust removal cylinder 5, one end of the dust removal cylinder is communicated with the air outlet 13, the other end of the dust removal cylinder is communicated with the air inlet pipe 44, the dust removal cylinder 5 is of a conical structure, the width of the dust is gradually reduced along the airflow flowing direction, natural sedimentation of dust is achieved by utilizing the self gravity of the dust, the probability that the dust enters a heat pump system is reduced, equipment loss is reduced, and the safety performance of the equipment is high.
Specifically, in order to guarantee the pretreatment effect of the sludge, the equipment further comprises a slitter 7, wherein the slitter 7 is arranged at the feed inlet 11.
Specifically, in order to improve the convenience of operation, corresponding temperature and humidity sensor can be set up in this equipment box 1, and it realizes automated control with equipment accessible computer or PLC such as motor 31, heat pump set 41 and fan 63, slitter 7, has improved mummification efficiency and treatment effect, lifting means degree of automation.
In the utility model, the multi-group conveying components are driven by the single-group power component to drive all the conveying mesh belts 202 to convey sludge, thereby reducing the drying energy consumption; dry hot air enters uniformly through the first air distribution assembly 42 at the bottom of the box body 1, so that sludge drying is more uniform, and the drying effect is optimized; the conveying mesh belt 202 on the uppermost layer of the box body 1 is dried by the hot ascending air flow on the lower layer and simultaneously dried by the dry hot air introduced by the second air distribution assembly 43, so that the utilization rate of the hot air is improved, the drying energy consumption is further reduced, and the drying degree is enhanced; and the air in the equipment is closed and circulated, so that the equipment has no environmental pollution, realizes near zero emission and is green and environment-friendly.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (7)
1. The sludge drying equipment is characterized by comprising a box body, a conveying assembly, a power assembly and a drying assembly, wherein the conveying assembly, the power assembly and the drying assembly are arranged in the box body; the power assembly comprises a motor and a transmission belt, one end of the transmission belt is wound on the motor, the other end of the transmission belt is wound on the plurality of groups of conveying assembly guide rollers from top to bottom, and the rotating directions of two adjacent guide rollers are opposite; the dry subassembly includes heat pump set, first cloth wind subassembly and second cloth wind subassembly, heat pump set's air intake passes through air-supply line and gas outlet intercommunication, and the air outlet passes through the outlet duct respectively with first cloth wind subassembly and second cloth wind subassembly intercommunication, first cloth wind subassembly sets up in the bottom of box, is located the below of lower floor's conveyor components, second cloth wind subassembly sets up between the upper and lower conveying mesh belt of the uppermost layer conveyor components.
2. The sludge drying equipment as claimed in claim 1, wherein the first air distribution assembly and the second air distribution assembly have the same structure, the first air distribution assembly comprises a plurality of air distribution cylinders arranged in parallel, the air distribution cylinders are communicated with the air outlet pipe through connecting pipes, the air distribution cylinders are provided with air outlet grooves along the axial direction, two guide plates are arranged on two sides of the air outlet grooves, and the included angle between the two guide plates is 30-120 °.
3. The sludge drying device as claimed in claim 1, further comprising a blower assembly disposed in the box, wherein the blower assembly comprises a blower, a gas collecting ring connected to an air inlet of the blower through a connecting pipe, and a blast pipe connected to an air outlet of the blower through a connecting pipe, and the blast pipe is provided with an air outlet groove.
4. The sludge drying apparatus of claim 3, wherein the cross section of the gas collecting ring is a trapezoid structure with a gradually decreasing width along the flowing direction of the gas flow.
5. The sludge drying apparatus of claim 3, wherein the cross section of the blast pipe has a trapezoidal structure with a gradually decreasing width along the flowing direction of the air flow.
6. The sludge drying apparatus of claim 1, further comprising a dust removing barrel having one end connected to the air outlet and the other end connected to the air inlet pipe, wherein the dust removing barrel has a tapered structure with a width gradually decreasing along the air flow direction.
7. The sludge drying apparatus of claim 1, further comprising a slitter disposed at the feed inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122626501.9U CN216427063U (en) | 2021-10-29 | 2021-10-29 | Sludge drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122626501.9U CN216427063U (en) | 2021-10-29 | 2021-10-29 | Sludge drying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216427063U true CN216427063U (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122626501.9U Active CN216427063U (en) | 2021-10-29 | 2021-10-29 | Sludge drying equipment |
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| CN (1) | CN216427063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117359900A (en) * | 2023-12-05 | 2024-01-09 | 山东正晟新材料科技有限公司 | A kind of silicone sheet production equipment |
-
2021
- 2021-10-29 CN CN202122626501.9U patent/CN216427063U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117359900A (en) * | 2023-12-05 | 2024-01-09 | 山东正晟新材料科技有限公司 | A kind of silicone sheet production equipment |
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