CN210773311U - Drum-type domestic waste drying equipment - Google Patents
Drum-type domestic waste drying equipment Download PDFInfo
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- CN210773311U CN210773311U CN201921103203.8U CN201921103203U CN210773311U CN 210773311 U CN210773311 U CN 210773311U CN 201921103203 U CN201921103203 U CN 201921103203U CN 210773311 U CN210773311 U CN 210773311U
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- 238000001035 drying Methods 0.000 title claims abstract description 35
- 239000010791 domestic waste Substances 0.000 title claims abstract description 27
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 51
- 238000007599 discharging Methods 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 claims abstract description 7
- 238000007664 blowing Methods 0.000 claims abstract description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 25
- 239000003546 flue gas Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 6
- 238000010926 purge Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 230000002269 spontaneous effect Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Processing Of Solid Wastes (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a drum-type domestic waste drying equipment which characterized in that: the pneumatic winnowing machine comprises a feeding device, a cylinder, a winnowing mechanism, a discharging device, a shoveling plate, a supporting and blocking wheel device and a transmission device which are connected; the cylinder comprises a kiln head, a kiln tail and a shell; the air separation mechanism comprises a main air pipe, a blowing branch pipe, a lantern ring and a fan; the discharging device comprises a wind closing machine and a discharging screw conveyor; the transmission device comprises a large gear, a small gear, a motor and a speed reducer. The utility model discloses can provide a simple structure, mummification are efficient, safe and reliable's drum-type domestic waste drying equipment, on the control is dry back domestic waste moisture content is less than 15% basis, solve the spontaneous combustion problem that rubbish easily fires the component.
Description
Technical Field
The utility model relates to a domestic waste preliminary treatment field specifically says, relates to a drum-type domestic waste drying equipment.
Background
Along with the gradual expansion of urban scale, the clearing and transporting amount of domestic garbage is increasing day by day, the fast 'surrounding city' domestic garbage is more and more concerned by society, and the treatment means and the treatment capability of the domestic garbage are restricted by a plurality of problems of treatment technology level, site 'proximity effect', environmental pollution and the like. The garbage classification method has the advantages that the garbage classification is effectively carried out on the garbage, the treatment cost and difficulty of the household garbage can be effectively reduced, and the influence on the surrounding ecological environment is reduced. At present, the water content of municipal solid waste is great, and the post-stage classification treatment is extremely unfavorable for, and earlier stage drying step needs to be carried out. The existing household garbage drying technology is very weak in treatment, and has the problems of low drying efficiency and insufficient and uniform drying when facing the characteristics of complex components, frequent changes and generally large water content of urban household garbage.
Drum-type domestic waste drying equipment simple structure, unit throughput are big, the work continuity is strong, ventilate through rolling, can fully evenly realize the heat exchange of high temperature flue gas and domestic waste, and the great municipal domestic waste component of adaptation variability that can be fine, but in the middle of the actual operation, because paper, plastics etc. easily fire the rubbish component and ignite the lower, take place spontaneous combustion easily at the heat exchange in-process, cause drying equipment security and stability relatively poor. If the inlet air temperature of the flue gas is reduced or an indirect heating mode is adopted, the efficiency of domestic garbage drying is reduced, and the occupied area and the investment cost of equipment are further increased by adopting multi-stage drying.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, mummification are efficient, safe and reliable's drum-type domestic waste drying equipment, on the control is dry back domestic waste moisture content is less than 15% basis, solve the spontaneous combustion problem that rubbish easily fires the component.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a drum-type domestic garbage drying device comprises a feeding device, a drum body, a winnowing mechanism, a discharging device, a shoveling plate, a supporting and blocking wheel device and a transmission device which are connected. The cylinder comprises a kiln head, a kiln tail and a shell; the air separation mechanism comprises a main air pipe, a blowing branch pipe, a lantern ring and a fan; the discharging device comprises a wind closing machine and a discharging screw conveyor; the transmission device comprises a large gear, a small gear, a motor and a speed reducer.
Furthermore, the feeding device is embedded on the kiln head of the cylinder body and used for conveying the household garbage to the inside of the cylinder body through the feeding screw.
Further, the cylinder body is used for directly contacting the household garbage with the flue gas, evaporating and drying the moisture in the household garbage, and conveying the dried household garbage to the discharging device; the upper part of the kiln head is provided with a flue gas inlet, and the temperature of the flue gas is 280-350 ℃; the upper part of the kiln tail is provided with a flue gas outlet, the temperature of the flue gas is 50-120 ℃, and the flue gas outlet is connected with an external tail gas treatment system; the radius of the cylinder body is 100-180 cm, the installation angle is slightly inclined, the angle is preferably 1-2 degrees, and a supporting and blocking wheel device and a transmission device are arranged below the cylinder body.
Furthermore, the air separation mechanism is arranged in the middle of the interior of the cylinder body and used for increasing the layering of the household garbage by blown high-speed air and quickly conveying the sufficiently dried household garbage to the discharging device; the main air pipe and the blowing branch pipe are preferably made of carbon steel; one end of the main air pipe is welded and installed at the center of the kiln tail, the other end of the main air pipe is fixed in the sleeve ring, the head end of the main air pipe is connected with a fan outside the barrel body through a pipeline, and the tail end of the main air pipe is sealed by a blind plate; the purging branch pipes are inclined towards the kiln tail direction and are uniformly distributed at the front section, the middle section and the rear section of the main air pipe, so that inflammable light components in the household garbage can be discharged from the discharging device after being rapidly dried, and the light components are prevented from spontaneously combusting in the cylinder body; the lantern ring is welded and installed in the center of the kiln head and mainly plays a role in supporting the main air pipe, the kiln tail can move axially due to the fact that the barrel is heated to expand in the operation process, and the main air pipe can slide on the lantern ring axially to avoid being stressed and bent.
Furthermore, the discharging device is arranged at the lower half part of the kiln tail of the cylinder body and used for discharging the dried and sufficient household garbage.
Furthermore, the shovelling plates are arranged on the inner wall of the shell and used for increasing stirring force in the roller and improving heat exchange efficiency.
Furthermore, the catch wheel device is arranged below the shell and used for stabilizing the rotating cylinder in operation.
Further, the transmission device is arranged below the shell; the large gear, the small gear, the motor and the speed reducer drive the cylinder to rotate through mutual acting force transmission, and the rotation speed is preferably controlled to be 0.5-3 rpm.
Compared with the prior art, the utility model, have following advantage.
1) The utility model discloses a drum-type domestic waste drying equipment increases selection by winnowing mechanism in the middle of the cylinder, and the trompil installation sweeps the branch pipe and ventilates in the selection by winnowing is responsible for, guarantees that inflammable light component can discharge from discharging device after the rapid draing in the domestic waste, has avoided light component spontaneous combustion in the barrel.
2) The utility model discloses a drum-type domestic waste drying equipment enables wherein easy dry component dwell time in the barrel and reduces when the complicated and changeable domestic waste of dry component, lets the difficult dry component dwell time extension in a section of thick bamboo to realize ultimate material moisture content unanimously.
3) The utility model discloses a drum-type domestic waste drying equipment simple structure, the continuous operation fault rate is low, safe and reliable.
4) The utility model discloses a drum-type domestic waste drying equipment need not reduce the temperature of the flue gas that admits air or use multistage drying, has reduced drying equipment's area and investment cost.
Drawings
FIG. 1 is a general schematic view of a drum-type domestic waste drying apparatus;
in the figure: the device comprises a feeding device 1, a barrel 2, a kiln head 201, a kiln tail 202, a shell 203, an air separation mechanism 3, a main air pipe 301, a purging branch pipe 302, a lantern ring 303, a fan 304, a discharging device 4, a fan closing 401, a spiral discharging conveyor 402, a shoveling plate 5, a supporting and blocking wheel device 6, a transmission device 7, a large gear 701, a small gear 702 and a motor and speed reducer 703.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model discloses an overall operating principle does:
the household garbage enters the barrel body 2 through the feeding screw 1, and along with the rotation of the barrel body 2, the household garbage moves along the direction of the kiln tail 202 under the action of gravity. In the process that the household garbage moves forwards in the cylinder body 2, the household garbage is directly contacted with the flue gas to evaporate and dry the moisture in the household garbage, and then the household garbage is sent out through a fan 401 of the kiln tail 202 and a discharge screw 402. The inner wall of the cylinder body 2 is provided with a shoveling plate 5 which is used for shoveling and scattering the domestic garbage, so that the contact surface of the domestic garbage and the flue gas is increased, the drying efficiency is improved, and the domestic garbage is promoted to move forward to the kiln tail 202. The evaporated moisture is carried away from the flue gas outlet of the kiln tail 202 through the flue gas.
When the household garbage advances towards the kiln tail 202 in the cylinder body 2, the layering of the household garbage can be increased by the high-speed air blown out from the blowing branch pipe 302, the fully dried material components can rapidly advance under the action of the wind force in the axial wind direction and are discharged from the kiln tail 202 in time, and spontaneous combustion is avoided; the material components with larger water content are subjected to the action of self gravity and larger than the action of axial wind power, and are left in the cylinder body 2 for a long time to be dried until the material components are dried to be below the required water content and are discharged from the kiln tail 202.
As shown in fig. 1, a drum-type domestic garbage drying device comprises a feeding device 1, a drum body 2, an air separation mechanism 3, a discharging device 4, a shoveling plate 5, a catch wheel device 6 and a transmission device 7 which are connected. The cylinder 2 comprises a kiln head 201, a kiln tail 202 and a shell 203; the air separation mechanism 3 comprises a main air pipe 301, a purging branch pipe 302, a lantern ring 303 and a fan 304; the discharging device 4 comprises a fan 401 and a discharging screw conveyor 402; the transmission 7 includes a large gear 701, a small gear 702, and a motor and speed reducer 703.
As shown in fig. 1, the feeding device 1 is embedded in a kiln head 201 of the cylinder 2 and is used for conveying household garbage into the cylinder 2 through a feeding screw.
As shown in fig. 1, the cylinder 2 is used for directly contacting the domestic garbage with the flue gas, evaporating and drying the moisture in the domestic garbage, and conveying the dried domestic garbage to the discharging device 4; the upper part of the kiln head 201 is provided with a flue gas inlet, and the temperature of the flue gas is 280-350 ℃; the upper part of the kiln tail 202 is provided with a flue gas outlet, the temperature of the flue gas is 50-120 ℃, and the flue gas outlet is connected with an external tail gas treatment system; the radius of the cylinder 203 is 100-180 cm, the installation angle is slightly inclined, the angle is preferably 1-2 degrees, and a supporting catch wheel device 6 and a transmission device 7 are arranged below the cylinder.
As shown in fig. 1, the air separation mechanism 3 is installed in the middle of the interior of the cylinder 2 and used for increasing the layering of the household garbage by blown high-speed air and rapidly conveying the sufficiently dried household garbage to the discharging device 4; the main air pipe 301 and the purging branch pipe 302 are preferably made of carbon steel; one end of the main air pipe 301 is welded and installed at the center of the kiln tail 202, the other end of the main air pipe is fixed in the lantern ring 303, the head end of the main air pipe is connected with a fan 304 outside the barrel 2 through a pipeline, and the tail end of the main air pipe is sealed by a blind plate; the purging branch pipes 302 are inclined towards the kiln tail 202 and are uniformly distributed at the front section, the middle section and the rear section of the main air pipe 301, so that inflammable light components in the household garbage can be discharged from the discharging device after being rapidly dried, and spontaneous combustion of the light components in the cylinder body is avoided; the lantern ring 303 is welded and installed at the center of the kiln head 201 and mainly plays a role in supporting the main air pipe 301, the kiln tail 202 can move axially due to the fact that the barrel 2 is heated and expanded in the operation process, and the main air pipe 301 can slide on the lantern ring 303 axially to avoid being stressed and bent.
As shown in fig. 1, the discharging device 4 is installed at the lower half part of the kiln tail 202 of the cylinder 2 and is used for discharging the dried domestic garbage.
As shown in fig. 1, the shovelling plates 5 are arranged on the inner wall of the shell 203 and are used for increasing stirring force in the drum and improving heat exchange efficiency.
As shown in fig. 1, the catch wheel device 6 is disposed below the housing 203 for stabilizing the cylinder 2 rotating during operation.
As shown in fig. 1, the transmission 7 is disposed below the housing 203; the large gear 701, the small gear 702, the motor and the speed reducer 703 drive the cylinder to rotate through mutual acting force transmission, and the rotation speed is preferably controlled to be 0.5-3 rpm.
The embodiment described above is only the scheme of a preferred embodiment of the present invention, it is not right the present invention makes the restriction in any form the technical idea scope of the present invention can be right the technical scheme of the present invention performs multiple simple modifications, the present invention does not explain separately to various possible combination modes. It is expressly intended that all such similar substitutes and modifications apparent to those skilled in the art are deemed to be within the spirit, scope and content of the invention.
Claims (8)
1. The utility model provides a drum-type domestic waste drying equipment which characterized in that: the pneumatic winnowing machine comprises a feeding device, a cylinder, a winnowing mechanism, a discharging device, a shoveling plate, a supporting and blocking wheel device and a transmission device which are connected; the cylinder comprises a kiln head, a kiln tail and a shell; the air separation mechanism comprises a main air pipe, a blowing branch pipe, a lantern ring and a fan; the discharging device comprises a wind closing machine and a discharging screw conveyor; the transmission device comprises a large gear, a small gear, a motor and a speed reducer.
2. A drum type domestic waste drying apparatus according to claim 1, wherein: the feeding device is embedded on the kiln head of the cylinder body and is used for conveying the household garbage to the inside of the cylinder body through the feeding screw.
3. A drum type domestic waste drying apparatus according to claim 1, wherein: the cylinder is used for directly contacting the household garbage with the flue gas, evaporating and drying the moisture in the household garbage, and conveying the dried household garbage to the discharging device; the upper part of the kiln head is provided with a flue gas inlet, and the temperature of the flue gas is 280-350 ℃; the upper part of the kiln tail is provided with a flue gas outlet, the temperature of the flue gas is 50-120 ℃, and the flue gas outlet is connected with an external tail gas treatment system; the radius of the cylinder body is 100-180 cm, the installation angle is slightly inclined, the angle range is 1-2 degrees, and a supporting and blocking wheel device and a transmission device are arranged below the cylinder body.
4. A drum type domestic waste drying apparatus according to claim 1, wherein: the air separation mechanism is arranged in the middle of the interior of the cylinder body and used for increasing the layering of the household garbage by blown high-speed air and quickly conveying the sufficiently dried household garbage to the discharging device; the main air pipe and the blowing branch pipe are made of carbon steel; one end of the main air pipe is welded and installed at the center of the kiln tail, the other end of the main air pipe is fixed in the sleeve ring, the head end of the main air pipe is connected with a fan outside the barrel body through a pipeline, and the tail end of the main air pipe is sealed by a blind plate; the purging branch pipes are inclined towards the kiln tail direction and are uniformly distributed at the front section, the middle section and the rear section of the main air pipe, so that inflammable light components in the household garbage can be discharged from the discharging device after being rapidly dried, and the light components are prevented from spontaneously combusting in the cylinder body; the lantern ring is welded and installed in the center of the kiln head and mainly plays a role in supporting the main air pipe, the kiln tail can move axially due to the fact that the barrel is heated to expand in the operation process, and the main air pipe can slide on the lantern ring axially to avoid being stressed and bent.
5. A drum type domestic waste drying apparatus according to claim 1, wherein: the discharging device is arranged on the lower half part of the kiln tail of the cylinder body and used for discharging the dried and sufficient household garbage.
6. A drum type domestic waste drying apparatus according to claim 1, wherein: the shovelling plates are arranged on the inner wall of the shell and used for increasing stirring force in the roller and improving heat exchange efficiency.
7. A drum type domestic waste drying apparatus according to claim 1, wherein: the supporting and blocking wheel device is arranged below the shell and used for stabilizing the rotating cylinder in operation.
8. A drum type domestic waste drying apparatus according to claim 1, wherein: the transmission device is arranged below the shell; the large gear, the small gear, the motor and the speed reducer drive the cylinder to rotate through mutual acting force transmission, and the rotating speed control range is 0.5-3 rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921103203.8U CN210773311U (en) | 2019-07-15 | 2019-07-15 | Drum-type domestic waste drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921103203.8U CN210773311U (en) | 2019-07-15 | 2019-07-15 | Drum-type domestic waste drying equipment |
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| Publication Number | Publication Date |
|---|---|
| CN210773311U true CN210773311U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921103203.8U Active CN210773311U (en) | 2019-07-15 | 2019-07-15 | Drum-type domestic waste drying equipment |
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| Country | Link |
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| CN (1) | CN210773311U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460923A (en) * | 2020-12-11 | 2021-03-09 | 江苏贝尔机械有限公司 | Continuous DDGS drying equipment |
| CN115682703A (en) * | 2022-11-03 | 2023-02-03 | 渭南瑞可利生物肥料有限公司 | Kitchen waste drying equipment |
-
2019
- 2019-07-15 CN CN201921103203.8U patent/CN210773311U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460923A (en) * | 2020-12-11 | 2021-03-09 | 江苏贝尔机械有限公司 | Continuous DDGS drying equipment |
| CN115682703A (en) * | 2022-11-03 | 2023-02-03 | 渭南瑞可利生物肥料有限公司 | Kitchen waste drying equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A drum type domestic waste drying equipment Effective date of registration: 20220113 Granted publication date: 20200616 Pledgee: Bank of China Limited Wuhan Municipal sub branch Pledgor: YUANCHUANG ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2022420000008 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231101 Granted publication date: 20200616 Pledgee: Bank of China Limited Wuhan Municipal sub branch Pledgor: YUANCHUANG ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2022420000008 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A drum type household waste drying equipment Granted publication date: 20200616 Pledgee: Bank of China Limited Wuhan Municipal sub branch Pledgor: YUANCHUANG ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2024980000976 |