CN211913279U - Hot air temperature recovery device for airflow drying tail gas - Google Patents
Hot air temperature recovery device for airflow drying tail gas Download PDFInfo
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- CN211913279U CN211913279U CN201922452475.5U CN201922452475U CN211913279U CN 211913279 U CN211913279 U CN 211913279U CN 201922452475 U CN201922452475 U CN 201922452475U CN 211913279 U CN211913279 U CN 211913279U
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Abstract
The utility model discloses a hot-blast temperature recovery unit of air current drying tail gas belongs to the chemical production equipment field, including first hot-blast import pipe, first hot-blast outlet pipe, the hot-blast import pipe of second, hot-blast back flow, the hot-blast outlet pipe of second, the intraductal hot-blast back of carrying out the drying to the material of the hot-blast import of second, through the hot-blast outlet pipe of second, under the guide of second draught fan, through hot-blast back flow backward flow to first hot-blast import pipe, filter the intraductal material of first hot-blast import. The utility model discloses a to hot-blast recycle, improved the hot-blast temperature in the first hot-blast import pipe, improved drying efficiency, reduced the gas consumption, reduced manufacturing cost, improved the economic benefits of production.
Description
Technical Field
The utility model belongs to chemical production equipment field relates to a temperature recovery unit, particularly, relates to a hot-blast temperature recovery unit of air current drying tail gas.
Background
In the production process of PVC and CPVC, the obtained primary product needs to be dried to remove the moisture in the primary product and obtain a final product with white color, uniform granularity and complete granularity. In the process of drying the primary product, hot air is introduced, the primary product is conveyed into a hot air pipeline, redundant moisture in the primary product is taken away under the action of the hot air, the gas-solid separation is carried out on the final product in the hot air pipeline through a cyclone separator, and the final product is finally recovered.
However, in the prior art, the hot air is discharged as tail gas after being dried for one time, and the hot air tail gas has higher temperature even after being dried for one time, so that a large amount of energy loss is caused by direct discharge, the consumption of natural gas in the drying process is increased, and the production cost is increased.
Therefore, if the hot air tail gas after primary drying can be recycled, the drying temperature of the primary drying can be improved, and the effects of reducing the consumption of natural gas and reducing the production cost can be achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the heat loss and the energy waste problem that contain the direct emission of a large amount of thermal hot-blast tail gas and cause among the prior art, through improving hot-blast pipeline, carry out recycle with the heat among the hot-blast tail gas, reduce calorific loss, reduce the gas consumption, reduction in production cost.
Based on the above purposes, the utility model discloses an air flow drying tail gas hot air temperature recovery device, which comprises a feed inlet and is characterized in that the feed inlet comprises a feed channel, one side of the feed channel is connected with a material conveying motor, one side of the feed channel, which faces away from the material conveying motor, is communicated with a first hot air inlet pipe, the first hot air inlet pipe extends from the joint of the feed channel and the first hot air inlet pipe respectively at two sides, one side of the first hot air inlet pipe is communicated with first radiating fin hot air, the other side of the first hot air inlet pipe is communicated with a first cyclone separator, the first cyclone separator comprises an air inlet pipe, an air outlet pipe and a discharge pipe, the air inlet pipe of the first cyclone separator is communicated with the first hot air inlet pipe, the air outlet pipe of the first cyclone separator is connected with a first hot air outlet pipe, one side of the first hot air outlet pipe, which faces away from the first cyclone separator, is connected with a first draught fan, the first induced draft fan conveys the hot air of the first hot air outlet pipe to the outside; the discharge pipe of the first cyclone separator is connected with a second hot air inlet pipe, the second hot air inlet pipe extends from the connection part of the discharge pipe of the first cyclone separator and the second hot air inlet pipe on two sides respectively, one side of the second hot air inlet pipe is communicated with second radiating fin hot air, the other side of the second hot air inlet pipe is communicated with a second cyclone separator, the second cyclone separator comprises an air inlet pipe, an air outlet pipe and a discharge pipe, the air inlet pipe of the second cyclone separator is communicated with the second hot air inlet pipe, the air outlet pipe of the second cyclone separator is connected with a second hot air outlet pipe, one side of the second hot air outlet pipe back to the second cyclone separator is connected with a second induced draft fan, the second draught fan conveys hot air of the second hot air outlet pipe to a hot air return pipe, and the hot air return pipe is back to one side of the second draught fan and is communicated with the first hot air inlet pipe.
According to the utility model discloses an embodiment, feedstock channel's upper end is equipped with the hopper, the hopper passes perpendicularly feedstock channel's upper end, be convenient for to continuous transported substance material in the feedstock channel.
According to the utility model discloses an embodiment, it has a plurality of first pulse pipes to establish ties in the first hot-blast import pipe, adjacent two spaced apart setting between the first pulse pipe, it has a plurality of second pulse pipes to establish ties in the second hot-blast import pipe, adjacent two spaced apart setting between the second pulse pipe makes the material be in first hot-blast import pipe with during the intraductal motion of second hot-blast import, under the effect that the inside diameter of the pipe changes, with hot-blast contact better, improve the degree of drying.
According to the utility model discloses an embodiment, first cyclone with be provided with first closing fan glassware down between the hot-blast import pipe of second, prevent that hot-blast smuggleing secretly the material and follow gush out in the first cyclone.
According to the utility model discloses an embodiment, be provided with the glassware under the second air lock machine between second cyclone and the discharging pipe, prevent that hot-blast smuggleing secretly the material and follow the second cyclone gushes out to cause the raise dust pollution of discharging pipe department.
According to the utility model discloses an embodiment, first cyclone with be provided with first sack cleaner between the first hot-blast outlet pipe, through first sack cleaner is right the hot-blast of first hot-blast outlet pipe filters, makes the hot-blast tail gas of emission accord with emission standard.
According to the utility model discloses an embodiment, the second cyclone with be provided with the second sack cleaner between the hot-blast outlet pipe of second, the second sack cleaner is used for filtering hot-blast in the hot-blast outlet pipe of second makes and passes through hot-blast back flow flows back the hot-blast dry more clean of first hot-blast import pipe.
According to the utility model discloses an embodiment, first hot-blast import pipe first hot-blast outlet pipe the second hot-blast import pipe the second hot-blast outlet pipe with hot-blast back flow is the stainless steel pipe, has stronger corrosion resisting property, effective increase of service life.
According to the utility model discloses an embodiment, first hot-blast import pipe first hot-blast outlet pipe the second hot-blast import pipe the second hot-blast outlet pipe with the hot-blast back flow outside all is equipped with insulation material, is convenient for keep warm to intraductal hot-blast, reduces intraductal hot-blast and external environment's heat exchange, reduces calorific loss, improves energy utilization.
The beneficial effects of the utility model reside in that: 1. the material can get into the hot-blast import pipe of second again after first cyclone carries out gas-solid separation to carry out the secondary drying in the hot-blast import pipe of second, finally carry out the recovery that the gas-solid separation carried out the final product through second cyclone, through twice drying, can get rid of the unnecessary moisture in the material completely, reach better drying effect, obtain white, the even final product of granularity of color and luster. 2. After the second bag-type dust collector removes dust for hot air in the second hot air outlet pipe, the hot air flows back to the first hot air inlet pipe through the second induced draft fan and the hot air return pipe, and is recycled, so that the temperature of hot air in the first hot air inlet pipe is increased by over 10 ℃, the drying effect is improved, the consumption of natural gas is effectively reduced, and the production cost is saved. 3. First pulse pipe and second pulse pipe can effectively guarantee the airtight degree of first hot-blast import pipe and the hot-blast import pipe of second, the installation and the use of the instrument of being convenient for, instrument. 4. The first cooling fin hot air and the second cooling fin hot air are used for continuously providing hot air resources for the first hot air inlet pipe and the second hot air inlet pipe, and meanwhile, the heat conversion degree is high, and the energy is saved. 5. The first bag-type dust collector is used for filtering and dedusting hot air in the first hot air outlet pipe, so that the hot air of the discharged tail gas meets the discharge standard, and the environment is not polluted. 6. First fan tripper and second are closed fan tripper and can carry out selective the passing through to first cyclone and second cyclone's discharging pipe department, make solid material pass through smoothly, make dry hot-blast isolated inside first cyclone and second cyclone, prevent that the discharging pipe from because of the raise dust pollution that hot-blast thoughtlessly goes out the cause.
Drawings
Fig. 1 is a schematic view of an air flow drying tail gas hot air temperature recovery device according to an embodiment of the present invention;
fig. 2 is a schematic view of a hot air temperature recovery device for exhaust gas of air drying according to an embodiment of the present invention.
Reference numerals:
1: a feed channel; 2: a material conveying motor; 3: a first hot air inlet pipe; 4: a first heat sink hot air; 5: a first cyclone separator; 6: a first hot air outlet pipe; 7: a first induced draft fan; 8: a second hot air inlet pipe; 9: the second radiating fin is used for heating air; 10: a second cyclone separator; 11: a second hot air outlet pipe; 12: a second induced draft fan; 13: a hot air return pipe; 14: a hopper; 15: a first pulse tube; 16: a second pulse tube; 17: a first air-lock machine blanking device; 18: a second air lock machine blanking device; 19: a first bag-type dust collector; 20: and a second bag-type dust collector.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 or fig. 2, an air flow drying tail gas hot air temperature recovery device comprises a feed inlet, and is characterized in that the feed inlet comprises a feed channel 1, one side of the feed channel 1 is connected with a material conveying motor 2, the upper end of the feed channel 1 is provided with a hopper 14, and the hopper 14 vertically penetrates through the upper end of the feed channel 1, so that materials can be conveyed into the feed channel 1 continuously; one side of the feeding channel 1, which is back to the material conveying motor 2, is communicated with a first hot air inlet pipe 3, the first hot air inlet pipe 3 extends from two sides of the joint of the feeding channel 1 and the first hot air inlet pipe 3 respectively, one side of the first hot air inlet pipe 3 is communicated with first cooling fin hot air 4, the other side of the first hot air inlet pipe 3 is communicated with a first cyclone separator 5, the first cyclone separator 5 comprises an air inlet pipe, an air outlet pipe and a discharging pipe, the air inlet pipe of the first cyclone separator 5 is communicated with the first hot air inlet pipe 3, the air outlet pipe of the first cyclone separator 5 is connected with a first hot air outlet pipe 6, one side, which is back to the first cyclone separator 5, of the first hot air outlet pipe 6 is connected with a first induced draft fan 7, and the first induced draft fan 7 conveys hot air of the first; the discharge pipe of the first cyclone separator 5 is connected with a second hot air inlet pipe 8, the second hot air inlet pipe 8 extends from the connection part of the discharge pipe of the first cyclone separator 5 and the second hot air inlet pipe 8 at two sides respectively, one side of the second hot air inlet pipe 8 is communicated with second radiating fin hot air 9, the other side of the second hot air inlet pipe 8 is communicated with a second cyclone separator 10, the second cyclone separator 10 comprises an air inlet pipe, the air inlet pipe of the second cyclone separator 10 is communicated with the second hot air inlet pipe 8, the air outlet pipe of the second cyclone separator 10 is connected with a second hot air outlet pipe 11, one side, back to the second cyclone separator 10, of the second hot air outlet pipe 11 is connected with a second induced draft fan 12, the second induced draft fan 12 conveys hot air of the second hot air outlet pipe 11 to a hot air return pipe 13, and one side, back to the second induced draft fan 12, of the hot air return pipe 13 is communicated with the first hot air inlet pipe 3. The first hot air inlet pipe 3, the first hot air outlet pipe 6, the second hot air inlet pipe 8, the second hot air outlet pipe 11 and the hot air return pipe 13 are all stainless steel pipes, so that the corrosion resistance is higher, and the service life is effectively prolonged; the outer sides of the first hot air inlet pipe 3, the first hot air outlet pipe 6, the second hot air inlet pipe 8, the second hot air outlet pipe 11 and the hot air return pipe 13 are all provided with heat insulation materials, heat insulation of hot air in the pipes is facilitated, heat exchange between the hot air in the pipes and the external environment is reduced, heat loss is reduced, and energy utilization rate is improved
According to the utility model discloses an embodiment, as shown in fig. 1 or fig. 2, it has a plurality of first pulse pipes 15 to establish ties in first hot-air inlet pipe 3, the spaced apart setting between two adjacent first pulse pipes 15, it has a plurality of second pulse pipes 16 to establish ties in second hot-air inlet pipe 8, the spaced apart setting between two adjacent second pulse pipes 16, when spaced apart setting makes the material move in first hot-air inlet pipe 3 and second hot-air inlet pipe 8, under the effect that the inside diameter of the pipe changes, with hot-blast contact better, improve the degree of drying.
According to an embodiment of the present invention, as shown in fig. 1 or fig. 2, a first air-lock device 17 is disposed between the first cyclone 5 and the second hot air inlet pipe 8 to prevent hot air from entraining materials to flow out of the first cyclone 5; a second air lock machine blanking device 18 is arranged between the second cyclone separator 10 and the discharge pipe, so that the hot air entrained with the materials is prevented from gushing out from the second cyclone separator 10 and causing dust pollution at the discharge pipe.
According to the utility model discloses an embodiment, as shown in fig. 1, be provided with second sack cleaner 20 between second cyclone 10 and the hot-blast outlet pipe 11 of second, second sack cleaner 20 is arranged in filtering the hot-blast in the hot-blast outlet pipe 11 of second, makes the hot-blast dry more clean that flows back to first hot-blast import pipe 3 through hot-blast back flow 13.
According to the utility model discloses an embodiment, as shown in fig. 2, be provided with first sack cleaner 19 between first cyclone 5 and the first hot-blast outlet pipe 6, through first sack cleaner 19 to hot-blast filtration in the first hot-blast outlet pipe 6, make the hot-blast tail gas of emission accord with emission standard.
The embodiment in the utility model provides an when implementing, the hot-blast from the hot-blast import pipe of second 8 entering, after having carried out the secondary drying to the material, through the gas-solid separation of second cyclone 10, and through the filtration of second sack cleaner 20, introduce first hot-blast import pipe 3 through hot-blast back flow 13 by second draught fan 12, thereby improve the hot-blast temperature in the first hot-blast import pipe 3, a drying for carrying out the material once, moist hot-blast tail gas after the primary drying passes through 5 gas-solid separations of first cyclone, 19 back of removing dust of first sack cleaner, discharge into the external world by first draught fan 7. Through the utility model discloses, realized the secondary recycle to hot air resource, improved drying capacity, reduced the gas consumption, practiced thrift manufacturing cost, improved the economic benefits of enterprise.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The hot air temperature recovery device for the air flow drying tail gas comprises a feed inlet and is characterized in that the feed inlet comprises a feed channel (1), one side of the feed channel (1) is connected with a material conveying motor (2), one side of the feed channel (1) back to the material conveying motor (2) is communicated with a first hot air inlet pipe (3), the first hot air inlet pipe (3) extends from the joint of the feed channel (1) and the first hot air inlet pipe (3) to two sides respectively, one side of the first hot air inlet pipe (3) is communicated with first cooling fin hot air (4), the other side of the first hot air inlet pipe (3) is communicated with a first cyclone separator (5), the first cyclone separator (5) comprises an air inlet pipe, an air outlet pipe and a material outlet pipe, the air inlet pipe of the first cyclone separator (5) is communicated with the first hot air inlet pipe (3), an air outlet pipe of the first cyclone separator (5) is connected with a first hot air outlet pipe (6), one side, back to the first cyclone separator (5), of the first hot air outlet pipe (6) is connected with a first induced draft fan (7), and the first induced draft fan (7) conveys hot air of the first hot air outlet pipe (6) to the outside;
the discharging pipe of first cyclone (5) is connected with second hot air inlet pipe (8), second hot air inlet pipe (8) is extended from both sides of the joint of the discharging pipe of first cyclone (5) and second hot air inlet pipe (8), one side of second hot air inlet pipe (8) is communicated with second cooling fins for hot air (9), the other side of second hot air inlet pipe (8) is communicated with second cyclone (10), second cyclone (10) comprises an air inlet pipe, an air outlet pipe and a discharging pipe, the air inlet pipe of second cyclone (10) is communicated with second hot air inlet pipe (8), the air outlet pipe of second cyclone (10) is connected with second hot air outlet pipe (11), the second hot air outlet pipe (11) faces back to one side of second cyclone (10) is connected with second induced draft fan (12), the second draught fan (12) conveys hot air of the second hot air outlet pipe (11) to a hot air return pipe (13), and the hot air return pipe (13) is back to one side of the second draught fan (12) and is communicated with the first hot air inlet pipe (3).
2. A pneumatic drying tail gas hot air temperature recovery device according to claim 1, characterized in that the upper end of the feed channel (1) is provided with a hopper (14), and the hopper (14) vertically penetrates through the upper end of the feed channel (1).
3. A hot air temperature recovery device for a gas flow drying tail gas, according to claim 1, characterized in that a plurality of first pulse pipes (15) are connected in series in the first hot air inlet pipe (3), and two adjacent first pulse pipes (15) are arranged at intervals.
4. A hot air temperature recovery device for a gas flow drying tail gas according to claim 1, characterized in that a plurality of second pulse pipes (16) are connected in series in the second hot air inlet pipe (8), and two adjacent second pulse pipes (16) are arranged at intervals.
5. A hot air temperature recovery device for air-dried tail gas according to claim 1, characterized in that a first air-shut-off fan downer (17) is arranged between the first cyclone separator (5) and the second hot air inlet pipe (8).
6. A hot-air temperature recovery device for air-dried tail gas according to claim 1, characterized in that a second air-lock blower downer (18) is arranged between the second cyclone separator (10) and the discharge pipe.
7. A hot air temperature recovery device for air-dried tail gas according to claim 1, characterized in that a first bag-type dust collector (19) is arranged between the first cyclone separator (5) and the first hot air outlet pipe (6).
8. A hot air temperature recovery device for air-dried tail gas according to claim 7, characterized in that a second bag-type dust collector (20) is arranged between the second cyclone separator (10) and the second hot air outlet pipe (11).
9. A hot air temperature recovery device for airflow drying tail gas according to claim 1, characterized in that the first hot air inlet pipe (3), the first hot air outlet pipe (6), the second hot air inlet pipe (8), the second hot air outlet pipe (11) and the hot air return pipe (13) are all stainless steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922452475.5U CN211913279U (en) | 2019-12-30 | 2019-12-30 | Hot air temperature recovery device for airflow drying tail gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922452475.5U CN211913279U (en) | 2019-12-30 | 2019-12-30 | Hot air temperature recovery device for airflow drying tail gas |
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| CN211913279U true CN211913279U (en) | 2020-11-13 |
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| CN201922452475.5U Active CN211913279U (en) | 2019-12-30 | 2019-12-30 | Hot air temperature recovery device for airflow drying tail gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115751919A (en) * | 2022-11-18 | 2023-03-07 | 桐乡市佑昌新材料有限公司 | Dynamic drying treatment device and method for catalyst |
-
2019
- 2019-12-30 CN CN201922452475.5U patent/CN211913279U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115751919A (en) * | 2022-11-18 | 2023-03-07 | 桐乡市佑昌新材料有限公司 | Dynamic drying treatment device and method for catalyst |
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Address after: 276000 Fu Zhuang Jie Dao Dong San Chong Cun, Luozhuang District, Linyi City, Shandong Province Patentee after: Shandong Aoxing New Material Co.,Ltd. Address before: 276000 Fu Zhuang Jie Dao Dong San Chong Cun, Luozhuang District, Linyi City, Shandong Province Patentee before: LINYI AOXING CHEMICAL Co.,Ltd. |