CN215063911U - Heat exchange device for waste gas treatment in feed production - Google Patents
Heat exchange device for waste gas treatment in feed production Download PDFInfo
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- CN215063911U CN215063911U CN202120872506.7U CN202120872506U CN215063911U CN 215063911 U CN215063911 U CN 215063911U CN 202120872506 U CN202120872506 U CN 202120872506U CN 215063911 U CN215063911 U CN 215063911U
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- 239000002912 waste gas Substances 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 26
- 238000000576 coating method Methods 0.000 claims abstract description 26
- 239000000498 cooling water Substances 0.000 claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000010865 sewage Substances 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 14
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 241000238557 Decapoda Species 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001007 puffing effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a heat exchange device for waste gas treatment in feed production, which is arranged between a dust remover and a cooler in the feed waste gas treatment process and comprises a shell, a heat exchange finned tube, an air inlet and an air outlet, wherein the heat exchange finned tube is uniformly arranged in the shell, the two ends of the shell are respectively connected with the air inlet and the air outlet, the air inlet and the air outlet are both provided with hemispherical tubes, and a waste gas guide plate is arranged in the air inlet; a cooling water inlet and outlet pipeline is arranged on the side surface of the shell, and a condensed sewage discharge port is arranged at the bottom end of the shell; the inner walls of the heat exchange finned tube, the cooling water inlet and outlet pipeline and the condensed sewage pipeline are smooth wall surfaces, and the smooth wall surfaces can reduce the flow resistance of liquid fluid and accelerate the flow of the liquid; the outer surface of the heat exchange finned tube is provided with an anti-sticking heat conduction coating, and the inner surface of the shell is provided with a heat insulation coating, so that heat can be effectively insulated, and foreign matter components in waste gas are prevented from being adhered to the heat exchange device; meanwhile, the specific size of the heat exchange finned tube is further designed, so that the heat exchange effect can be fully achieved, the energy loss in the gas-liquid heat exchange process can be reduced, the heat exchange efficiency is protected, and the energy is saved.
Description
Technical Field
The utility model relates to a heat transfer device for exhaust-gas treatment in feed production belongs to environmental protection technical field in the feed production processing.
Background
The working principle of the heat exchanger is to heat low-temperature fluid or cool high-temperature fluid, vaporize liquid into vapor or condense vapor into liquid. The heat exchanger has wide application range, such as industrial production of petroleum, chemical industry, light industry, pharmacy, energy and the like. For the feed industry, a radiator is adopted for heat transfer to cool the feed. For example, the following disclosed technical contents:
the publication date is 2020, 06 and 12 days, and Chinese utility model patent document with publication number CN212962459U discloses a safe and stable radiator, which solves the disadvantages of poor stability and inconvenient maintenance in the prior art, and comprises an outer shell, a heat exchanger body and a fan, wherein the outer shell is symmetrically provided with an air inlet and an air outlet at both sides, the air outlet and the air inlet are both movably provided with filter screens through fixing structures, the filter screens are convenient to disassemble and clean, one side of the outer shell close to the air inlet is provided with the fan through a support rod, the heat exchanger body is arranged in the middle of the outer shell, the bottom end of the heat exchanger body is uniformly provided with a telescopic rod, the outer side of the telescopic rod is sleeved with a third spring, the bottom end of the telescopic rod is fixed with a bottom plate, the top end of the heat exchanger body is provided with a damping structure, and the radiator has high stability, is not easy to shake, and is convenient for taking out the heat exchanger body for maintenance when the heat exchanger body breaks down.
Aiming at the production process of the aquatic feed,with the gradual improvement of the emission standard of the malodorous pollutants, the environmental protection problem of the industry becomes more and more prominent, and the environmental protection treatment pressure is particularly huge. In the production and processing of aquatic feeds, the discharged waste gas has the characteristics of peculiar smell, high temperature, high humidity, high dust, large air volume and the like, such as: the drying, cooling and exhausting temperature is 65-75 ℃, the relative humidity is 55-70%, and the dust concentration is 30-50mg/Nm3The odor is above 5000 dimensionless, the air quantity on a standard shrimp feed production line is about 3.5 ten thousand, and the air quantity on a 10-ton puffing production line is about 8.5-10 ten thousand. Therefore, the treatment of waste gas is a great problem in the production process of the domestic feed production industry at present. Particularly aiming at the waste gas treatment in the production and processing of aquatic feeds, the existing waste gas treatment process adopts terminal treatment which is a pure terminal treatment mode, and the connection from waste gas generated in the production section to the treatment of environmental protection equipment and then to the discharge of the waste gas does not form effective combination with the production process; therefore, the original tail end treatment thought needs to be changed, so that the waste gas treatment and the feed production process are organically linked, and the problem of waste gas emission is thoroughly solved.
Disclosure of Invention
The utility model discloses aim at overcoming prior art not enough, and provide a heat transfer device for exhaust-gas treatment in feed production, having accorded with "waste gas recovery recycles, the technology of zero release" requirement of water fodder production trade through the device, carry out dehydration cooling treatment after gathering the waste gas that produces in the production and processing process, then retrieval and utilization to each production workshop section, can accord with the environmental protection requirement, solve the exhaust emission problem.
In order to achieve the technical purpose, the following technical scheme is proposed:
a heat exchange device for waste gas treatment in feed production is disclosed, wherein in feed waste gas treatment process equipment, the heat exchange device is arranged between a dust remover and a cooler and comprises a shell, heat exchange finned tubes, a gas inlet and a gas outlet, the heat exchange finned tubes are uniformly arranged in the shell, two ends of the shell are respectively connected with the gas inlet and the gas outlet, the gas inlet adopts a first hemispherical tube, and the gas outlet adopts a second hemispherical tube; the square opening end of the first hemispherical dome pipe is connected with the shell, the round opening end is communicated with an air outlet pipe of the dust remover through a pipeline, and a waste gas guide plate with uniform air volume is arranged in the first hemispherical dome pipe to ensure that the air volume uniformly passes through the cross section of the heat exchanger after waste gas enters the heat exchanger; the square opening end of the second hemispherical dome tube is connected with the shell, and the round opening end is connected to the air supplementing end of the cooler through a pipeline and an induced draft fan; a cooling water inlet and outlet pipeline is arranged on the side surface of the shell, and a condensed sewage discharge port is arranged at the bottom end of the shell; the inner walls of the heat exchange finned tube, the cooling water inlet and outlet pipeline and the condensed sewage pipeline are smooth wall surfaces, and the smooth wall surfaces can reduce the flow resistance of liquid fluid and accelerate the flow of the liquid; an anti-sticking heat-conducting coating is arranged on the outer surface of the heat exchange finned tube, and a heat-insulating coating is arranged on the inner surface of the shell; the heat exchange finned tube comprises a main tube and fins, the thickness of the fins is 0.12-0.25mm, and the distance between the fins is as follows: 1.8-3.5mm, the tube pitch of the main tube is less than or equal to 9mm, through the technical parameter design of the heat exchange finned tube, not only can a better heat exchange effect be achieved, but also the adverse effects of corrosive components in dust, a condensed water layer and waste gas on the heat exchanger are weakened, so that the heat exchanger can stably run for a long time.
The main pipe is made of one of copper, aluminum, stainless steel and titanium alloy; the fin adopts one of copper sheet, aluminum sheet, stainless steel sheet.
The anti-sticking heat-conducting coating is a polytetrafluoroethylene composite coating with high heat-conducting property and is mainly used for dust prevention, corrosion prevention and sticking prevention, and the anti-sticking heat-conducting coating is 10-50 microns.
The heat insulation coating is a polytetrafluoroethylene film layer and is mainly used for heat insulation, and the thickness of the heat insulation coating is 20-100 micrometers.
And the pipelines configured on the air inlet and the air outlet are respectively provided with a dust sensor, a temperature and humidity sensor and an alarm.
In addition to the characteristics, the heat exchange device adopts a modular design, and a plurality of modules are assembled, so that the heat exchange device is convenient to disassemble and maintain daily. Meanwhile, the heat exchange area is 200-1200 m2And the heat exchange requirement of most of conditions in the feed industry is met. The finned tubes in the heat exchanger are arranged in a crossed and staggered mode, and heat exchange efficiency is improved.
The utility model has the advantages as follows:
by combining the corresponding characteristics of the exhaust gas discharged in the production and processing of the aquatic feed, when the utility model is applied to the feed exhaust gas treatment process, the cooling water and the exhaust gas are utilized to carry out gas-liquid heat exchange, the cooling water passes through the heat exchanger fins, the exhaust gas is cooled by the cooling water, and the effective dehydration and cooling treatment can be carried out on the exhaust gas; the utility model can effectively prevent the foreign matter component in the waste gas from adhering to the heat exchange device by the non-stick coating which is plated on the inner surface of the heat exchanger shell; meanwhile, due to the excellent heat preservation and heat insulation performance of the polytetrafluoroethylene coating, the energy loss in the gas-liquid heat exchange process can be reduced, the heat exchange efficiency is protected, and the energy is saved.
Drawings
Fig. 1 is a schematic side view of the present invention.
Fig. 2 is a schematic front sectional structural view of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: the solar water heater comprises a shell, an air inlet, an air outlet, a first 4-degree-of-heaven square tube, a second 5-degree-of-heaven square tube, a main 6-tube, fins 7, a cooling water inlet, a cooling water outlet 9 and a condensed sewage discharge port 10.
Detailed Description
In the following, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.
Example 1
As shown in fig. 1-3, in the feed waste gas treatment process equipment, a heat exchange device for waste gas treatment in feed production is arranged and installed between a dust remover and a cooler. The heat exchange device comprises a shell 11, heat exchange finned tubes, an air inlet 2 and an air outlet 3, wherein the heat exchange finned tubes are uniformly arranged in the shell 11, and two ends of the shell 11 are respectively connected with the air inlet 2 and the air outlet 3.
Wherein, the air inlet 2 adopts a first 4 hemispherical dome pipe, and the air outlet 3 adopts a second 5 hemispherical dome pipe.
The square opening end of the first Tianyuan pipe 4 is connected with the shell 11, the round opening end is communicated with the 3 air pipes of the air outlet of the dust remover through a pipeline, and a waste gas guide plate with uniform air volume is arranged in the first Tianyuan pipe 4 to ensure that the air volume uniformly passes through the cross section of the heat exchanger after waste gas enters the heat exchanger.
The square opening end of the second hemispherical dome pipe 5 is connected with the shell 11, and the round opening end is connected to the air supplementing opening end of the cooler through a pipeline and an induced draft fan; and a cooling water inlet 8, a cooling water outlet 9 and a matched pipeline are arranged on the side surface of the shell 11, and a condensed sewage discharge port 10 is arranged at the bottom end of the shell 11.
Furthermore, the inner walls of the heat exchange finned tube, the cooling water inlet and outlet pipeline and the condensed sewage pipeline are smooth wall surfaces, so that the smooth wall surfaces can reduce the flow resistance of liquid fluid and accelerate the flow of the liquid; the outer surface of the heat exchange finned tube is provided with an anti-sticking heat conduction coating, and the inner surface of the shell 11 is provided with a heat insulation coating.
Example 2
Based on the structure of the embodiment 1, the heat exchange finned tube comprises a main tube 6 and fins 7, the thickness of the fins 7 is 0.12-0.25mm, and the distance between the fins 7 is as follows: 1.8-3.5mm, the tube spacing of the main tube 6 is less than or equal to 9mm, and through the technical parameter design of the heat exchange fins 7, the heat exchanger can achieve better heat exchange effect, and simultaneously, the adverse effect of corrosive components in dust, a condensed water layer and waste gas on the heat exchanger is weakened, so that the heat exchanger can stably run for a long time.
Furthermore, the main pipe 6 is made of one of copper, aluminum, stainless steel and titanium alloy; the fins 7 are made of one of copper sheets, aluminum sheets and stainless steel sheets. Based on the selection of the above-mentioned material, the fin 7 and the main tube 6 may be made of the same material.
Through the design of the heat exchange finned tube, the cooling medium flows in the main tube 6, and non-contact cooling is performed on high-temperature waste gas outside the tube, so that effective heat exchange treatment can be realized.
Example 3
Based on the structure of embodiment 1 or 2, antiseized heat conduction coating is polytetrafluoroethylene composite coating with high heat conductivility, mainly used dustproof, anticorrosive, antiseized, and this antiseized heat conduction coating is 10 ~ 50 μm.
The heat insulation coating is a polytetrafluoroethylene film layer and is mainly used for heat insulation, and the thickness of the heat insulation coating is 20-100 micrometers.
The technical problem that the heat exchange plate is not sticky can be solved by the non-sticky coating, and the heat transfer efficiency is effectively improved.
Example 4
Based on any structure of embodiment 1-3, the pipelines of air inlet 2 and air outlet 3 configuration still all are provided with dust sensor, temperature and humidity sensor and alarm respectively, but real time monitoring dust removal effect and pressure differential condition, meet trouble and in time feed back.
Example 5
Synthesize above-mentioned structural design, the utility model discloses a heat transfer device still takes the modular design, and a plurality of modules are assembled, and the daily dismantlement of being convenient for is maintained. Meanwhile, the heat exchange area is 200-1200 m2And the heat exchange requirement of most of conditions in the feed industry is met. The finned tubes in the heat exchanger are arranged in a crossed and staggered mode, and heat exchange efficiency is improved.
When being used in the feed waste gas treatment process, the obtained waste gas treatment index is shown in table 1:
through the structure, the utility model discloses a main action lies in cooling down the dehydration for waste gas to the cooling water is to waste gas cooling, and the cooling water mainly makes through equipment such as cold water machine or cooling tower.
Claims (7)
1. The utility model provides a heat transfer device for exhaust-gas treatment in feed production which characterized in that: in the feed waste gas treatment process equipment, the heat exchange device is arranged between a dust remover and a cooler and comprises a shell (1), heat exchange finned tubes, an air inlet (2) and an air outlet (3), the heat exchange finned tubes are uniformly arranged in the shell (1), two ends of the shell (1) are respectively connected with the air inlet (2) and the air outlet (3), the air inlet (2) adopts a first hemispherical square tube (4), and the air outlet (3) adopts a second hemispherical square tube (5); the square opening end of the first hemispherical dome pipe (4) is connected with the shell (1), the round opening end is communicated with an air pipe of an air outlet (3) of the dust remover through a pipeline, and a waste gas guide plate with uniform air volume is arranged in the first hemispherical dome pipe (4); the square opening end of the second hemispherical dome tube (5) is connected with the shell (1), and the round opening end is connected to the air supplementing end of the cooler through a pipeline and an induced draft fan; a cooling water inlet and outlet pipeline is arranged on the side surface of the shell (1), and a condensed sewage discharge port (10) is arranged at the bottom end of the shell (1); the inner walls of the heat exchange finned tube, the cooling water inlet and outlet pipeline and the condensed sewage pipeline are smooth wall surfaces; the outer surface of the heat exchange finned tube is provided with an anti-sticking heat-conducting coating, and the inner surface of the shell (1) is provided with a heat-insulating coating; the heat exchange finned tube comprises a main tube (6) and fins (7), the thickness of the fins (7) is 0.12-0.25mm, and the distance between the fins (7) is as follows: 1.8-3.5mm, and the tube spacing of the main tube (6) is less than or equal to 9 mm.
2. The heat exchange device for the waste gas treatment in the feed production according to claim 1, characterized in that: the main pipe (6) is made of one of copper, aluminum, stainless steel and titanium alloy.
3. The heat exchange device for the waste gas treatment in the feed production according to claim 1, characterized in that: the fins (7) are made of one of copper sheets, aluminum sheets and stainless steel sheets.
4. The heat exchange device for waste gas treatment in feed production according to claim 1, 2 or 3, characterized in that: the anti-sticking heat-conducting coating is a polytetrafluoroethylene composite coating with high heat-conducting property, and the anti-sticking heat-conducting coating is 10-50 microns.
5. The heat exchange device for the waste gas treatment in the feed production according to claim 1, characterized in that: the heat insulation coating is a polytetrafluoroethylene film layer, and the thickness of the heat insulation coating is 20-100 mu m.
6. The heat exchange device for the waste gas treatment in the feed production according to claim 1, characterized in that: and the pipelines configured on the air inlet (2) and the air outlet (3) are respectively provided with a dust sensor, a temperature and humidity sensor and an alarm.
7. The heat exchange device for the waste gas treatment in the feed production according to claim 1, characterized in that: the heat exchange device is of a modular structure and is formed by assembling a plurality of modules; the heat exchange area of the heat exchange device is 200-1200 m2。
Priority Applications (1)
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CN202120872506.7U CN215063911U (en) | 2021-04-26 | 2021-04-26 | Heat exchange device for waste gas treatment in feed production |
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CN202120872506.7U CN215063911U (en) | 2021-04-26 | 2021-04-26 | Heat exchange device for waste gas treatment in feed production |
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CN215063911U true CN215063911U (en) | 2021-12-07 |
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- 2021-04-26 CN CN202120872506.7U patent/CN215063911U/en active Active
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Effective date of registration: 20231109 Address after: No. 588, Middle Tianfu Avenue, Chengdu Hi tech Zone, China (Sichuan) Pilot Free Trade Zone, 610000, Sichuan Patentee after: Tongwei Agricultural Development Co.,Ltd. Address before: No. 588, middle section of Tianfu Avenue, high tech Zone, Chengdu, Sichuan 610000 Patentee before: TONGWEI Co.,Ltd. |