CN211311286U - Residual heat low-temperature drying machine - Google Patents
Residual heat low-temperature drying machine Download PDFInfo
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- CN211311286U CN211311286U CN201921863184.9U CN201921863184U CN211311286U CN 211311286 U CN211311286 U CN 211311286U CN 201921863184 U CN201921863184 U CN 201921863184U CN 211311286 U CN211311286 U CN 211311286U
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Abstract
The utility model discloses a low-temperature residual heat drier, which comprises a drier main body and a residual heat circulation chamber which is positioned at one side of the drier main body and is used for communicating a top exhaust port with a bottom air inlet, wherein the residual heat circulation chamber comprises a shell and a residual heat circulation mechanism arranged in the shell; the drying machine comprises a drying machine body and is characterized in that an exhaust hole communicated with the inside of a shell is formed in the top of the side wall of the drying machine body, a first air inlet hole communicated with the inside of the shell is formed in the middle of the side wall of the drying machine body, a second air inlet hole communicated with the inside of the shell is formed in the bottom of the side wall of the drying machine body, a waste heat circulating mechanism comprises a first heater and a cooler group communicated with the exhaust hole, an exhaust port of the first heater is communicated with the first air inlet hole, an exhaust port of the cooler group is communicated with a second heater, and an exhaust port; compared with the prior art, the utility model, reduced the waste of heat energy, improved mummification efficiency, and reduced the pollution to the environment.
Description
Technical Field
The utility model relates to a sludge drying equipment technical field, concretely relates to waste heat low temperature mummification machine.
Background
Sludge drying, also known as sludge dewatering, refers to a process of removing most of the water content from sludge by the action of percolation or evaporation, and generally refers to the use of self-evaporation facilities such as sludge drying beds (beds). After the sludge is concentrated, the water content of the sludge is further reduced by a physical method, so that the sludge is convenient to transport, accumulate, utilize or further treat. The dehydration (drying) includes two methods of evaporation type and mechanical dehydration type.
At present, the sludge waste heat low-temperature drying machine is used for carrying out evaporative dehydration on sludge, and comprises a body, wherein the top of the body is provided with an exhaust port, the bottom of the body is provided with an air inlet, the air inlet is communicated with heating air, the heating air flows from the bottom to the top in the body to dry the sludge which is conveyed, and then the sludge is discharged from the exhaust port.
The waste gas discharged from the exhaust port in the sludge waste heat low-temperature drying machine contains a large amount of heat, the waste of heat energy is caused firstly by adopting a direct discharging mode, harmful gas and dust can be volatilized in the sludge drying process, and air pollution is caused by direct discharging.
SUMMERY OF THE UTILITY MODEL
To exist not enough among the prior art, the utility model aims to provide a waste heat low temperature mummification machine to solve among the prior art, caused the waste of heat energy and discharged harmful gas and dust and caused air pollution's problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a waste heat low-temperature drying machine comprises a drying machine main body and a waste heat circulating chamber, wherein the waste heat circulating chamber is positioned on one side of the drying machine main body and is used for communicating a top air outlet with a bottom air inlet of the drying machine main body;
the drying machine is characterized in that an exhaust hole communicated with the inside of the shell is formed in the top of the side wall of the drying machine body, a first air inlet hole communicated with the inside of the shell is formed in the middle of the side wall of the drying machine body, a second air inlet hole communicated with the inside of the shell is formed in the bottom of the side wall of the drying machine body, the waste heat circulating mechanism comprises a first heater and a cooler group communicated with the exhaust hole, an exhaust port of the first heater is communicated with the first air inlet hole, an exhaust port of the cooler group is communicated with a second heater, and an exhaust port of the second heater is communicated.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the waste heat low-temperature drying machine guides part of hot waste gas generated in the sludge drying process into a cooler group through an exhaust hole, cools the waste gas, then heats the waste gas in a second heater, and then enters the bottom of a drying machine body from a second air inlet hole to dry sludge in the drying machine body; part of the waste gas containing heat is guided into the first heater to be heated and then guided into the middle part of the drier main body through the first air inlet hole to heat the sludge at the upper part in the drier main body; the two paths of recovered gas enter the bottom and the middle of the dryer main body, so that the sludge drying efficiency in the dryer main body is improved; meanwhile, the heat in the hot waste gas generated in the sludge drying process is recovered, so that the waste of heat energy is reduced, harmful gas generated in the sludge drying process is prevented from entering the air, and the pollution to the environment is reduced;
2. the design through cooler group cools off hot waste gas, is convenient for become the comdenstion water discharge with the steam condensation that contains in the hot waste gas, reduces the water content that gets into the heating steam of drying machine main part inner bottom to improve the mummification efficiency of mud.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic connection diagram of a cooler group according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments:
reference numerals in the drawings of the specification include: the drying machine comprises a drying machine body 1, a shell 2, an exhaust hole 3, a second air inlet 4, a first heater 5, a second heater 6, a first fan 7, a first cooler 8, a first heat regenerator 9, a self-circulation pipe 10, a second cooler 11, an axial flow fan 12, a second fan 13 and an ash residue collecting and conveying belt 14.
Example 1
Referring to fig. 1 and 2:
a waste heat low-temperature drying machine comprises a drying machine main body 1 and a waste heat circulating chamber which is positioned on one side of the drying machine main body 1 and is communicated with a top air outlet and a bottom air inlet of the drying machine main body, wherein the waste heat circulating chamber comprises a shell 2 and a waste heat circulating mechanism arranged in the shell 2; the top of the side wall of the drier body 1 is provided with an exhaust hole 3 communicated with the inside of the shell 2, the middle of the side wall of the drier body 1 is provided with a first air inlet hole communicated with the inside of the shell 2, the bottom of the side wall of the drier body 1 is provided with a second air inlet hole 4 communicated with the inside of the shell 2, the waste heat circulating mechanism comprises a first heater 5 communicated with the exhaust hole 3 and a cooler group, an exhaust port of the first heater 5 is communicated with the first air inlet hole, an exhaust port of the cooler group is communicated with a second heater 6, and an exhaust port of the second heater 6 is communicated with the second air inlet hole 4.
The cooler group in this embodiment includes a first fan 7, a first cooler 8 and a first heat regenerator 9, an air inlet of the first fan 7 is communicated with the exhaust hole 3, an air inlet of the first heat regenerator 9 is communicated with an air outlet of the first fan 7, an air outlet of the first heat regenerator 9 is communicated with an air inlet of the second heater 6, and the first cooler 8 is disposed on a self-circulation pipe 10 of the first heat regenerator 9; the first heat regenerator 9 is of an existing heat regenerator structure, and through the connection mode of the first heat regenerator 9 with the first fan 7, the second heater 6 and the first cooler 8, the temperature difference exists between the front and the back of the hot waste gas cooled by the first cooler 8, the self heat exchange is carried out in the first heat regenerator 9, the temperature of the hot waste gas entering the second heater 6 is improved, and the water content of the hot waste gas entering the second heater 6 is reduced; in addition, the temperature of the air entering the first cooler 8 is reduced, and the thermal efficiency of the system is improved.
In order to reduce the amount of hot waste gas entering the first cooler 8 and the first heat regenerator 9 and reduce the load of the first cooler 8 and the first heat regenerator 9, the exhaust hole 3 is communicated with the air inlet of the second heater 6 through a bypass channel, so that the hot waste gas exhausted from the exhaust hole 3 is divided into three paths, and the first path is heated by the first heater 5 and then directly introduced into the middle part of the dryer body 1 from the first air inlet; the second path is sent into the first heat regenerator 9 through the first fan 7, then enters the first cooler 8, then returns into the first heat regenerator 9, and then enters the second heater 6 for heating; the third path directly enters a second heater 6 to be mixed and heated with the second path, and then enters the bottom of the drier main body 1 from a second air inlet 4.
Example 2
Referring to FIG. 3:
a waste heat low-temperature drying machine comprises a drying machine main body 1 and a waste heat circulating chamber which is positioned on one side of the drying machine main body 1 and is communicated with a top air outlet and a bottom air inlet of the drying machine main body, wherein the waste heat circulating chamber comprises a shell 2 and a waste heat circulating mechanism arranged in the shell 2; the top of the side wall of the drier body 1 is provided with an exhaust hole 3 communicated with the inside of the shell 2, the middle of the side wall of the drier body 1 is provided with a first air inlet hole communicated with the inside of the shell 2, the bottom of the side wall of the drier body 1 is provided with a second air inlet hole 4 communicated with the inside of the shell 2, the waste heat circulating mechanism comprises a first heater 5 communicated with the exhaust hole 3 and a cooler group, an exhaust port of the first heater 5 is communicated with the first air inlet hole, an exhaust port of the cooler group is communicated with a second heater 6, and an exhaust port of the second heater 6 is communicated with the second air inlet hole 4.
The cooler group in the present embodiment includes a second cooler 11, an air inlet of the second cooler 11 communicates with the exhaust hole 3, and an air outlet of the second cooler 11 communicates with an air inlet of the second heater 6; in the embodiment, the hot waste gas exhausted from the exhaust hole 3 is divided into two paths, and one path is heated by the first heater 5 and then directly introduced into the middle part of the drier main body 1 from the first air inlet; the other path of the waste gas enters a second cooler 11 to be cooled and remove the moisture in the hot waste gas, then is introduced into a second heater 6 to be heated, and then is sucked into the bottom of the drier main body 1 from a second air inlet hole 4 by a second fan 13; the second cooler 11 is designed to condense part of the return air and reduce the water content of the hot exhaust air entering the dryer body 1 for heating.
Referring to fig. 1 and 3:
in order to optimize the low-temperature drying machine using waste heat in the embodiment 1 and the embodiment 2, an axial flow fan 12 is arranged in the first air inlet hole, and the axial flow fan 12 is designed to accelerate the power of the hot waste gas heated by the first heater 5 entering the drying machine main body 1; the air outlet of the second heater 6 is communicated with the second air inlet hole 4 through a second fan 13; the second fan 13 is designed to accelerate the power of the hot waste gas heated by the second heater 6 entering the dryer main body 1, namely the whole cycle; an ash collecting and conveying belt 14 communicated with the inner upper part of the drier body 1 is arranged at the bottom of the drier body 1; the ash falling off in the drying process in the drying machine main body 1 is collected through the ash collecting conveyor belt 14 and then is transported to a unified recovery place, so that the workload of workers is reduced; the structure of the dryer body 1 is the existing structure, and the detailed description is omitted in this scheme.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. A waste heat low-temperature drying machine is characterized by comprising a drying machine main body and a waste heat circulating chamber, wherein the waste heat circulating chamber is positioned on one side of the drying machine main body and is used for communicating a top air outlet with a bottom air inlet of the drying machine main body;
the drying machine is characterized in that an exhaust hole communicated with the inside of the shell is formed in the top of the side wall of the drying machine body, a first air inlet hole communicated with the inside of the shell is formed in the middle of the side wall of the drying machine body, a second air inlet hole communicated with the inside of the shell is formed in the bottom of the side wall of the drying machine body, the waste heat circulating mechanism comprises a first heater and a cooler group communicated with the exhaust hole, an exhaust port of the first heater is communicated with the first air inlet hole, an exhaust port of the cooler group is communicated with a second heater, and an exhaust port of the second heater is communicated.
2. The low-temperature residual heat drying machine according to claim 1, which is characterized in that: the cooler group comprises a first fan, a first cooler and a first heat regenerator, an air inlet of the first fan is communicated with the exhaust hole, an air inlet of the first heat regenerator is communicated with an air outlet of the first fan, an air outlet of the first heat regenerator is communicated with an air inlet of the second heater, and the first cooler is arranged on a self-circulation pipe of the first heat regenerator.
3. The low-temperature residual heat drying machine according to claim 1, which is characterized in that: the cooler group comprises a second cooler, an air inlet of the second cooler is communicated with the exhaust hole, and an air outlet of the second cooler is communicated with an air inlet of the second heater.
4. The low-temperature residual heat drying machine according to claim 2, characterized in that: the exhaust hole is communicated with the air inlet of the second heater through a bypass channel.
5. The low-temperature residual heat drying machine according to claim 1, which is characterized in that: an axial flow fan is arranged in the first air inlet hole.
6. The low-temperature residual heat drying machine according to claim 1, which is characterized in that: and the air outlet of the second heater is communicated with the second air inlet hole through a second fan.
7. The low-temperature residual heat drying machine according to any one of claims 1 to 6, characterized in that: and an ash collecting and conveying belt communicated with the inner upper part of the dryer body is arranged at the bottom of the dryer body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921863184.9U CN211311286U (en) | 2019-10-31 | 2019-10-31 | Residual heat low-temperature drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921863184.9U CN211311286U (en) | 2019-10-31 | 2019-10-31 | Residual heat low-temperature drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211311286U true CN211311286U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921863184.9U Active CN211311286U (en) | 2019-10-31 | 2019-10-31 | Residual heat low-temperature drying machine |
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| Country | Link |
|---|---|
| CN (1) | CN211311286U (en) |
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2019
- 2019-10-31 CN CN201921863184.9U patent/CN211311286U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401135 No. 19, Ying long avenue, Longxing Town, Yubei District, Chongqing (Liangjiang New District) Patentee after: ENDURANCE & MES (CHONGQING) ENVIRONMENT CO.,LTD. Patentee after: CHONGQING ENDURANCE SHANHUA SPECIAL VEHICLE Co.,Ltd. Patentee after: Naide Environmental Industry Group Co.,Ltd. Address before: 401135 No. 19, Ying long avenue, Longxing Town, Yubei District, Chongqing (Liangjiang New District) Patentee before: ENDURANCE & MES (CHONGQING) ENVIRONMENT CO.,LTD. Patentee before: CHONGQING ENDURANCE SHANHUA SPECIAL VEHICLE Co.,Ltd. Patentee before: Naide Environmental Industry Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211216 Address after: 401121 floor 5, No. 5, Baoyun Road, Longxing Town, Liangjiang New Area, Yubei District, Chongqing (independent commitment) Patentee after: Chongqing nidesha Weigu environmental protection equipment Co.,Ltd. Patentee after: ENDURANCE & MES (CHONGQING) ENVIRONMENT CO.,LTD. Patentee after: CHONGQING ENDURANCE SHANHUA SPECIAL VEHICLE Co.,Ltd. Patentee after: Naide Environmental Industry Group Co.,Ltd. Address before: 401135 No. 19, Ying long avenue, Longxing Town, Yubei District, Chongqing (Liangjiang New District) Patentee before: ENDURANCE & MES (CHONGQING) ENVIRONMENT CO.,LTD. Patentee before: CHONGQING ENDURANCE SHANHUA SPECIAL VEHICLE Co.,Ltd. Patentee before: Naide Environmental Industry Group Co.,Ltd. |
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| TR01 | Transfer of patent right |