CN220017387U - VOC waste gas treatment system of horizontal-vertical mixing gluing unit - Google Patents
VOC waste gas treatment system of horizontal-vertical mixing gluing unit Download PDFInfo
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- CN220017387U CN220017387U CN202320699590.6U CN202320699590U CN220017387U CN 220017387 U CN220017387 U CN 220017387U CN 202320699590 U CN202320699590 U CN 202320699590U CN 220017387 U CN220017387 U CN 220017387U
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- 239000002912 waste gas Substances 0.000 title claims abstract description 63
- 238000004026 adhesive bonding Methods 0.000 title claims abstract description 37
- 238000002156 mixing Methods 0.000 title claims abstract description 16
- 239000007789 gas Substances 0.000 claims abstract description 79
- 238000005338 heat storage Methods 0.000 claims abstract description 57
- 238000002485 combustion reaction Methods 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 238000007254 oxidation reaction Methods 0.000 claims description 34
- 230000003647 oxidation Effects 0.000 claims description 33
- 239000003292 glue Substances 0.000 claims description 20
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 13
- 239000003546 flue gas Substances 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims 1
- 239000011810 insulating material Substances 0.000 abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 239000002699 waste material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000004513 sizing Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
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- 238000001914 filtration Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
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- 231100000719 pollutant Toxicity 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
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- 238000009825 accumulation Methods 0.000 description 1
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- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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- 239000002904 solvent Substances 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Incineration Of Waste (AREA)
Abstract
The utility model discloses a VOC waste gas treatment system of a horizontal-vertical mixing gluing unit, which comprises: collecting VOC waste gas generated during production of the horizontal-vertical mixing gluing machine set; burning and treating the VOC waste gas; heating the heat transfer oil extracted from the heat storage tank with the VOC off-gas of combustion; storing the heated heat conduction oil into a heat storage tank; the heat conduction oil after the heating is scheduled to be heated by an oven of the horizontal-vertical mixed gluing machine set, so that the cooled heat conduction oil is obtained; and storing the cooled heat conduction oil into a heat storage tank. The utility model recycles the heat generated by burning VOC waste gas by combining the production process of the insulating material, and is energy-saving and environment-friendly. The VOC waste gas is thoroughly treated and is cleaner.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to a VOC waste gas treatment system of a horizontal-vertical mixing gluing unit.
Background
In the process of producing insulating materials by a horizontal gluing unit and a vertical gluing unit, resin materials are needed, solvents for dissolving the resin are mainly methanol and acetone, so that a large amount of VOC waste gas can be generated when the insulating materials are dried, in the existing VOC waste gas treatment scheme, the scheme of utilizing activated carbon adsorption is common, when pollutant passes through an adsorption box filled with the activated carbon, the VOC waste gas is adsorbed in gaps of the activated carbon by utilizing the strong adsorption force of the activated carbon on the pollutant, thereby achieving the purpose of purifying the waste gas. When the temperature of the waste gas reaches more than 100 ℃, heat accumulation is caused by the enhancement of catalytic oxidation, the waste gas is easy to catch fire, and the high-boiling point substances cannot be thoroughly desorbed and can be accumulated in an active carbon bed layer to reduce the adsorption capacity of the waste gas, after a certain period of operation, the adsorption purification efficiency of the active carbon is less than or equal to 90 percent, the waste gas is continuously attenuated, the waste gas needs to be replaced frequently, the cost is huge, the occupied area is large, in addition, the VOC waste gas can be partially desorbed in the replacement and transportation processes of the active carbon, and finally the VOC waste gas is discharged back to the atmosphere, so that the waste gas is an incomplete solution.
The VOC waste gas is also treated by a combustion method, normal temperature or catalytic oxidation combustion treatment is adopted, the VOC waste gas is introduced into a boiler or an incinerator for combustion through an induced air pipeline, but the high temperature organic gas is subjected to safety demonstration. The method is complete in treatment and can basically convert VOC into CO2 and H2O, but the treatment and disposal of the VOC can be realized by additionally arranging a boiler or an incinerator, and a large amount of fuel is consumed, so that the cost is high.
Disclosure of Invention
The embodiment of the utility model provides a VOC waste gas treatment system of a horizontal-vertical mixing gluing machine set, which is used for solving the problems that in the prior art, VOC waste gas treatment is not thorough in treatment by an active carbon adsorption method, and a combustion method consumes more energy and has high cost.
In one aspect, an embodiment of the present utility model provides a VOC exhaust gas treatment system of a horizontal-vertical mixing glue applying unit, including:
the VOC waste gas collecting module is used for collecting VOC waste gas generated during production of the horizontal-vertical mixing gluing machine set;
the VOC waste gas treatment module is used for burning and treating the VOC waste gas;
and the heat exchange module is used for heating the heat conduction oil extracted from the heat storage tank by using the burnt VOC waste gas, storing the heated heat conduction oil to the heat storage tank, dispatching the heated heat conduction oil to be the oven heating of the horizontal-vertical mixed gluing machine set, obtaining cooled heat conduction oil, and storing the cooled heat conduction oil to the heat storage tank.
In one possible implementation, the horizontal-vertical hybrid glue unit is a horizontal glue unit and a vertical glue unit.
In one possible implementation, the ovens are horizontal ovens and vertical ovens.
In one possible implementation manner, the VOC waste gas generated during the production of the horizontal and vertical mixed glue applying unit is collected through a horizontal waste air discharging fan and a vertical waste air discharging fan, and the VOC waste gas passes through an interlocking type T-shaped valve and enters a waste gas collecting box.
In one possible implementation, the exhaust gas header is provided with a proportional control valve, a pressure transmitter and a temperature sensor.
In a possible implementation manner, the VOC exhaust gas is first conveyed from the exhaust gas collecting box to the VOC oxidation device through the total exhaust fan through the proportional control valve and the hand valve, then the VOC exhaust gas is subjected to temperature adjustment through the exhaust gas reactor and the exhaust gas preheater in the VOC oxidation device, then the VOC exhaust gas after temperature adjustment is conveyed to the oxidation combustion chamber, the VOC exhaust gas is combusted in the oxidation combustion chamber through the burner, then the hot oil heat exchanger is heated by the high-temperature flue gas obtained by combustion, and then the low-temperature flue gas which is converted into low-temperature flue gas meeting the emission standard through heat exchange is discharged into the atmosphere through the exhaust fan and the chimney.
In one possible implementation, the oxidation combustor is provided with a pressure transmitter and a temperature sensor.
In one possible implementation, the heating of the heat transfer oil extracted from the thermal storage tank with the VOC off-gas of combustion; storing the heated heat conduction oil into a heat storage tank; the heat conduction oil after the heating is scheduled to be heated by an oven of the horizontal-vertical mixed gluing machine set, so that the cooled heat conduction oil is obtained; the method comprises the steps of storing the cooled heat conduction oil to a heat storage tank, conveying low-temperature heat conduction oil at the bottom of the heat storage tank to a hot oil heat exchanger through a heat conduction oil pump group, heating the low-temperature heat conduction oil at the hot oil heat exchanger by high-temperature flue gas, conveying the heated heat conduction oil to the upper part of the heat storage tank through the pressure of the heat conduction oil pump group, pumping and conveying the heat conduction oil of the heat storage tank to a horizontal oven and a vertical oven of a horizontal-vertical mixing glue applying unit through the heat conduction oil pump group, and then obtaining cooled heat conduction oil, and conveying the cooled heat conduction oil back to the bottom of the heat storage tank through the heat conduction oil pump group.
In one possible implementation manner, the interfaces of the heat storage tank, the hot oil heat exchanger, the horizontal oven, the vertical oven and the oil paths are all provided with stop valves, oil pressure gauges and temperature sensors are arranged on two oil paths between the hot oil heat exchanger and the heat storage tank, oil pressure gauges and temperature sensors are arranged on two oil paths between the heat storage tank and the horizontal oven and between the vertical oven, heat storage tank to the horizontal oven and between the heat storage tank to the hot oil heat exchanger are all provided with heat conducting oil pump sets, and the heat conducting oil pump sets are combinations of the stop valves and Y-shaped filters, compensators, oil pumps and one-way valves.
The VOC waste gas treatment system of the horizontal-vertical mixing gluing unit has the following advantages:
(1) The heat generated by burning VOC waste gas is reused by combining the production process of the insulating material, so that the energy is saved and the environment is protected.
(2) The VOC waste gas is thoroughly treated and is cleaner.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the operation of a VOC exhaust gas treatment system of a horizontal-vertical hybrid glue unit according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of an exhaust gas collecting box of a VOC exhaust gas treatment system of a horizontal-vertical hybrid glue unit according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a VOC oxidation apparatus for operating a VOC exhaust gas treatment system of a horizontal-vertical hybrid glue unit according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a heat conduction oil pump set running in a VOC exhaust gas treatment system of a horizontal-vertical hybrid glue unit according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of a heat storage tank operated by a VOC exhaust gas treatment system of a horizontal-vertical hybrid glue unit according to an embodiment of the present utility model;
fig. 6 is a schematic diagram of a high-level tank for operating a VOC exhaust gas treatment system of a horizontal-vertical hybrid glue unit according to an embodiment of the present utility model.
The reference numerals in the figures illustrate: 1. a horizontal gluing unit; 2. a horizontal oven; 3. an oven waste discharge valve; 4. a horizontal machine exhaust fan; 5. a vertical gluing unit; 6. a vertical oven; 7. a bottom box waste discharge valve; 8. a vertical waste discharge fan; 9. interlocking T-valve; 10. an exhaust gas collection box; 11. a proportional control valve; 12. a pressure transmitter; 13. a temperature sensor; 14. a total waste discharge fan; 15. a hand valve; 16. a VOC oxidation device; 17. an exhaust gas preheater; 18. a hot oil heat exchanger; 19. an exhaust gas reactor; 20. an oxidation combustion chamber; 21. a combustion machine; 22. a smoke exhaust fan; 23. a chimney; 24. a stop valve; 25. an oil pressure gauge; 26. a heat storage tank; 27. a conduction oil pump group; 28. a Y-type filter; 29. a compensator; 30. an oil pump; 31. a one-way valve; 32. a high tank; 33. an expansion port; 34. a liquid level gauge; 35. an exhaust port; 36. a manhole of the heat storage tank; 37. an oil drain port; 38 partition plates; 39. an exhaust gas inlet; 40. an exhaust gas outlet; 41. air supplementing port; 42. a filter screen; 43. and (5) an inspection manhole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Fig. 1 is a schematic diagram of an operation of a VOC exhaust gas treatment system of a horizontal-vertical hybrid glue unit according to an embodiment of the present utility model. The embodiment of the utility model provides a VOC waste gas treatment system of a horizontal-vertical mixing gluing unit, which comprises the following components:
the VOC waste gas collecting module is used for collecting VOC waste gas generated during production of the horizontal-vertical mixing gluing machine set;
the VOC waste gas treatment module is used for burning and treating the VOC waste gas;
and the heat exchange module is used for heating the heat conduction oil extracted from the heat storage tank by using the burnt VOC waste gas, storing the heated heat conduction oil to the heat storage tank, dispatching the heated heat conduction oil to be the oven heating of the horizontal-vertical mixed gluing machine set, obtaining cooled heat conduction oil, and storing the cooled heat conduction oil to the heat storage tank.
Illustratively, the system is used by first collecting VOC waste gas generated during production of the horizontal-vertical mixing glue applying unit; then, burning the VOC off-gas; heating the heat transfer oil extracted from the heat storage tank 26 with the VOC off-gas burned; thereafter, the heated conduction oil is stored in the heat storage tank 26; then, the heated heat conduction oil is scheduled to be heated by an oven of the horizontal-vertical mixed gluing machine set, and the cooled heat conduction oil is obtained; finally, the cooled heat transfer oil is stored in the heat storage tank 26.
According to the technical scheme, the insulating material production process by using the horizontal and vertical mixing gluing machine set in an insulating factory can be utilized, the VOC waste gas is combusted and treated, meanwhile, the heat conduction oil used in the drying procedure in the insulating material production is heated, and then the heated heat conduction oil is used for participating in the insulating material production, so that the fuel consumption in the insulating material production drying process is reduced.
In one possible embodiment, the horizontal-vertical mixed gluing unit is a horizontal gluing unit 1 and a vertical gluing unit 5, and the ovens have a horizontal oven 2 and a vertical oven 6.
The technical scheme of the utility model is applicable to any one of the horizontal type sizing machine set 1 and the vertical type sizing machine set 5, is also applicable to the combination of the horizontal type sizing machine set 1 and the vertical type sizing machine set 5, is applicable to any one of the horizontal type oven 2 and the vertical type oven 6, and is also applicable to the combination of the horizontal type oven 2 and the vertical type oven 6.
In a possible embodiment, the VOC waste gas generated during the production of the horizontal and vertical glue applying unit is collected by the horizontal waste gas discharging fan 4 and the vertical waste gas discharging fan 8, the VOC waste gas is conveyed into the waste gas collecting box 10 through the interlocking type T-shaped valve 9, and the ratio regulating valve 11, the pressure transmitter 12 and the temperature sensor 13 are arranged on the waste gas collecting box 10.
Illustratively, the horizontal oven 22 of the horizontal gluing machine set 1 controls the uniformity of the waste air discharge quantity of each section of oven through the oven waste discharge valve 3, which is beneficial to improving the drying quality of the insulating material. The VOC waste gas of every section oven is collected and discharged through horizontal machine exhaust fan 4, vertical oven 6 exhaust system of vertical rubberizing unit 5 is the tandem structure, there is the exhaust mouth in the oven bottom that descends, adjust the flow size through the base box control valve, finally discharge through vertical machine exhaust fan 8, horizontal machine exhaust fan 4 and vertical machine exhaust fan 8 exhaust VOC waste gas are collected, exhaust gas collection box 10 is as shown in fig. 2, send into exhaust gas collection box 10 through interlocking type T type valve 9, in the normal production process of interlocking type T type valve 9, the evacuation passageway is closed, when emergency appears, direct evacuation guarantees system safety. The exhaust gas collecting box 10 is provided with a proportional control valve 11, a pressure transmitter 12 and a temperature sensor 13, and is also provided with an exhaust gas inlet 39 for charging exhaust gas, an exhaust gas outlet 40 for discharging exhaust gas, an air supplementing port 41 for supplementing air pressure, a filter screen 42 for filtering sundries, and an inspection manhole 43 for inspection. When the VOC oxidation device 16 is started up and the temperature rises, no VOC waste gas enters the system at the moment, and the proportional control valve 11 is opened to extract air so as to ensure the normal temperature rise of the VOC oxidation device 16. When the amount of exhaust gas is insufficient, the proportional control valve 11 can control the amount of air entering the system, which is beneficial to environmental protection. The pressure transmitter 12 feeds back and controls the frequency of the total exhaust fan 14, ensures that the whole air path system operates at negative pressure, and avoids VOC waste gas from being dissipated into the air. The temperature sensor 13 is used to measure the temperature of the exhaust gas and provide data for the subsequent preheating of the VOC exhaust gas to a specified temperature, the VOC oxidation device 16 being shown in figure 3.
In a possible embodiment, the VOC exhaust gas is first conveyed from the exhaust gas collecting box 10 to the VOC oxidation device through the total exhaust fan 14 via the proportional control valve 11 and the hand valve 15, then the VOC exhaust gas is temperature-regulated through the exhaust gas reactor 19 and the exhaust gas preheater 17 in the VOC oxidation device, then the temperature-regulated VOC exhaust gas is conveyed to the oxidation combustion chamber 20, the VOC exhaust gas is combusted in the oxidation combustion chamber 20 through the burner, then the hot oil heat exchanger 18 is heated by the high temperature flue gas obtained by combustion, then the low temperature flue gas converted into the low temperature flue gas meeting the emission standard through heat exchange is discharged into the atmosphere through the exhaust fan 22 and the chimney 23, and the oxidation combustion chamber 20 is provided with the pressure transmitter 12 and the temperature sensor 13.
Illustratively, the VOC off-gas from the total exhaust blower 14 enters the VOC oxidation apparatus 16 via two paths, the main path entering the off-gas preheater 17 via the hand valve 15, and the branch path entering the off-gas reactor 19 via the proportional control valve 11. After primary heating of the main exhaust gas through the exhaust gas preheater 17, the main exhaust gas enters the exhaust gas reactor 19 through the connecting pipe for secondary heating, the temperature sensor 13 at the inlet of the oxidation combustion chamber 20 is used for feedback, if the temperature exceeds the preset temperature, the proportional control valve 11 on the branch exhaust gas pipe is opened, low-temperature exhaust gas is properly added, and the temperature of the exhaust gas is adjusted to the preset temperature, wherein the preset temperature is the combustion critical temperature.
After the VOC off-gas temperature reaches the combustion threshold, it is fed to the oxidation combustor 20 of the VOC oxidation device 16. The oxidation combustion chamber 20 is preheated in advance, the temperature in the combustion chamber is heated to be more than 760 ℃ by the burner 21, the normal production state is achieved, and the burner 21 is flameout and exits. The oxidation combustion chamber 20 is internally provided with heat-insulating refractory bricks and operates under negative pressure. The pressure transmitter 12 at the top of the oxidation combustion chamber 20 is used for controlling the frequency of the smoke exhaust fan 22 to ensure that the indoor set negative pressure value is reached, the whole VOC oxidation device 16 is in negative pressure operation, and continuous positive pressure can trigger an alarm and then stop, so that the safe operation of the system is ensured; the heat storage tank is communicated with the high-level tank, so that the expansion and contraction amount of hot oil in heat conduction oil heat balance is guaranteed, constant-pressure operation of the system is guaranteed, and pipe explosion caused by pressure pulse of the hot oil is avoided, so that the system can stably operate. The temperature sensor 13 is used to monitor the indoor temperature and the PLC controls the burner 21 to supplement heat in case the amount of exhaust gas is insufficient resulting in a low temperature. At this time, the VOC exhaust gas enters the combustion chamber for oxidation reaction to generate carbon dioxide and water, releasing heat which maintains the heat balance of the entire system. The high-temperature flue gas exhausted by the oxidation combustion chamber 20 passes through the waste gas reactor 19, the hot oil heat exchanger 18 and the waste gas preheater 17 one by one in the VOC oxidation device 16, is connected into the chimney 23 through the smoke exhaust fan 22, and is changed into low-temperature flue gas meeting the emission standard through heat exchange at the moment and is exhausted into the atmosphere, and the temperature of the flue gas is monitored through the temperature sensor 13 at the outlet of the smoke exhaust fan 22.
In one possible embodiment, the heating of the heat transfer oil extracted from the thermal storage tank with the VOC off-gas of combustion; storing the heated heat conduction oil into a heat storage tank; the heat conduction oil after the heating is scheduled to be heated by an oven of the horizontal-vertical mixed gluing machine set, so that the cooled heat conduction oil is obtained; the low-temperature heat conduction oil at the bottom of the heat storage tank 26 is conveyed to the hot oil heat exchanger 18 through a heat conduction oil pump set 27, high-temperature flue gas heats the low-temperature heat conduction oil at the hot oil heat exchanger 18, the heated heat conduction oil is conveyed to the upper part of the heat storage tank 26 through the pressure of the heat conduction oil pump set 27, the heat conduction oil of the heat storage tank 26 is pumped and conveyed to the horizontal oven 2 and the vertical oven 6 of the horizontal and vertical glue applying unit through the heat conduction oil pump set 27, the heat conduction oil is conveyed back to the bottom of the heat storage tank 26 through the heat conduction oil pump set 27, the heat storage tank 26, the hot oil heat exchanger 18, the horizontal oven 2, the vertical oven 6 and the interfaces of oil ways are all provided with stop valves 24, an oil pressure meter 25 and a temperature sensor 13 are arranged on two oil ways between the heat exchanger 18 and the heat storage tank 26, an oil pressure meter 25 and a temperature sensor 13 are arranged on two oil ways between the horizontal oven 26 and the horizontal oven 2 and the vertical oven 6, the heat conduction oil pump set 27 is provided with a heat exchange valve 28, and a heat storage tank 26 is provided with a heat exchange valve 30, and a heat storage tank 30 is provided with a heat exchanger 30, and a heat exchanger is provided with a heat exchanger 30.
Illustratively, in the thermal oil heat exchanger 18, the thermal oil in the coil is heated by the high temperature flue gas and then is fed to the thermal storage tank 26, and the thermal oil in the thermal storage tank 26 floats on top of the tank because the low temperature oil is high in density and sinking on the bottom of the tank and is high Wen Youmi degrees, so the low temperature thermal oil is pumped from the bottom of the thermal storage tank 26 through the thermal oil pump set 27 and is fed to the thermal oil heat exchanger 18 for heating, and then the high temperature thermal oil is fed back to the top of the thermal storage tank 26. The heat conducting oil pump sets 27 are provided with one heat conducting oil pump set, wherein the inlet of each pump set is provided with a stop valve 24, a filter and a compensator 29, and the outlet of each pump is provided with the compensator 29, a one-way valve 31 and the stop valve 24. The compensator 29 serves to filter out pump vibrations from being transferred into the pipe system causing oil leakage. The filter is used for filtering impurities and the like in the oil. The check valve 31 prevents the heat transfer oil from flowing backward when the pump is switched. The oil pressure gauge 25 and the temperature sensor 13 are respectively installed on the inlet and outlet pipelines of the hot oil heat exchanger 18 and are used for monitoring the pressure and the temperature of the heat conduction oil, and because the high-temperature heat conduction oil is arranged at the top of the heat storage tank 26, and the heat is required for normal production of the horizontal and vertical gluing machine set 5, the heat conduction oil pump set 27 extracts the high-temperature heat conduction oil from the top of the heat storage tank 26, and respectively sends the high-temperature heat conduction oil to the heat conduction oil inlets of the horizontal oven 22 and the vertical oven 6, the high-temperature heat conduction oil is changed into low-temperature heat conduction oil through the drying insulating materials, and then the low-temperature heat conduction oil is collected from the heat conduction oil outlets of the horizontal oven 22 and the vertical oven 6 and then returns to the bottom of the heat storage tank 26. An oil pressure gauge 25 and a temperature sensor 13 are respectively installed at the outlet of the heat conduction oil pump set 27 and the bottom inlet of the heat storage tank 26, and are used for monitoring the pressure and temperature of the heat conduction oil, and the top of the heat storage tank 26 is provided with a root expansion pipe which is horizontally and always connected to the bottom of the high-level tank 32, and the expansion pipe is used for strictly prohibiting heat preservation. The high tank 32 is arranged at the highest point in the system, provides constant pressure of the whole system, is beneficial to the exhaust of the heat storage tank 26 and a pipeline thereof, can supplement and store the expansion oil quantity of heat expansion and cold contraction of heat conduction oil, and ensures absolute safety of the heat conduction oil heat balance system, wherein the heat conduction oil pump set 27 is shown in fig. 4, the heat storage tank 26 is shown in fig. 5, and the high tank 32 is shown in fig. 5. The heat storage tank 26 is also provided with an expansion hole 33, a heat storage tank inspection manhole 36, an oil drain port 37 and a partition plate 38. The overhead tank 32 is also provided with a liquid level gauge 34 and an exhaust port 35.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. The utility model provides a lie stand and mix rubberizing unit VOC exhaust treatment system which characterized in that includes:
the VOC waste gas collecting module is used for collecting VOC waste gas generated during production of the horizontal-vertical mixing gluing machine set;
the VOC waste gas treatment module is used for burning and treating the VOC waste gas;
and the heat exchange module is used for heating the heat conduction oil extracted from the heat storage tank by using the burnt VOC waste gas, storing the heated heat conduction oil to the heat storage tank, dispatching the heated heat conduction oil to be the oven heating of the horizontal-vertical mixed gluing machine set, obtaining cooled heat conduction oil, and storing the cooled heat conduction oil to the heat storage tank.
2. The VOC exhaust gas treatment system of a horizontal-vertical hybrid gluing machine set according to claim 1, characterized in that the horizontal-vertical hybrid gluing machine set is a horizontal gluing machine set (1) and a vertical gluing machine set (5).
3. The VOC exhaust gas treatment system of a horizontal and vertical glue mill set of claim 1 wherein the ovens have horizontal ovens (2) and vertical ovens (6).
4. The VOC exhaust gas treatment system of the horizontal-vertical hybrid gluing machine set according to claim 3, wherein the VOC exhaust gas generated during the production of the collecting horizontal-vertical hybrid gluing machine set is collected by a horizontal machine exhaust fan (4) and a vertical machine exhaust fan (8), and the VOC exhaust gas is conveyed into an exhaust gas collecting box (10) through an interlocking T-shaped valve (9).
5. The VOC waste gas treatment system of the horizontal and vertical mixing gluing machine set according to claim 4, wherein the waste gas collecting box (10) is provided with a proportional regulating valve (11), a pressure transmitter (12) and a temperature sensor (13).
6. The VOC exhaust gas treatment system of the horizontal and vertical glue applying unit according to claim 5, wherein the VOC exhaust gas is first transported from the exhaust gas collecting tank (10) to the VOC oxidation device through the total exhaust gas fan (14) through the proportional control valve (11) and the hand valve (15), the VOC exhaust gas is then temperature-regulated through the exhaust gas reactor (19) and the exhaust gas preheater (17) in the VOC oxidation device, the temperature-regulated VOC exhaust gas is then transported to the oxidation combustion chamber (20), the VOC exhaust gas is burned in the oxidation combustion chamber (20) through the burner, the hot oil heat exchanger (18) is heated by the high temperature exhaust gas obtained by burning, and the low temperature exhaust gas after heat exchange is changed into low temperature exhaust gas meeting the emission standard and is discharged into the atmosphere through the smoke exhaust fan (22) and the chimney (23).
7. The VOC exhaust gas treatment system of a horizontal and vertical glue applicator unit of claim 6, wherein the oxidation combustor (20) is provided with a pressure transmitter (12) and a temperature sensor (13).
8. The VOC exhaust gas treatment system of a horizontal-vertical hybrid gluing machine set according to claim 7, wherein the heat exchange module is configured to convey low-temperature heat transfer oil at the bottom of a heat storage tank (26) to the heat oil heat exchanger (18) through a heat transfer oil pump set (27), the high-temperature flue gas heats the low-temperature heat transfer oil at the heat oil heat exchanger (18), the heated heat transfer oil is conveyed to the upper portion of the heat storage tank (26) through the pressure of the heat transfer oil pump set (27), the heat transfer oil of the heat storage tank (26) is pumped out through the heat transfer oil pump set (27) and conveyed to a horizontal oven (2) and a vertical oven (6) of the horizontal-vertical hybrid gluing machine set to obtain cooled heat transfer oil, and the heat transfer oil pump set (27) conveys the cooled heat transfer oil back to the bottom of the heat storage tank (26).
9. The VOC exhaust gas treatment system of a horizontal-vertical hybrid glue unit according to claim 8, characterized in that the interfaces of the heat storage tank (26), the hot oil heat exchanger (18), the horizontal oven (2), the vertical oven (6) and the oil path are all provided with stop valves (24), the two oil paths between the hot oil heat exchanger (18) and the heat storage tank (26) are all provided with oil pressure gauges (25) and temperature sensors (13), the two oil paths between the heat storage tank (26) and the horizontal oven (2) and the vertical oven (6) are all provided with oil pressure gauges (25) and temperature sensors (13), the heat storage tank (26) to the horizontal oven (2) and the vertical oven (6) and the heat storage tank (26) to the hot oil heat exchanger (18) are all provided with heat conducting oil pump sets (27), and the heat conducting oil pump sets (27) are combinations of the stop valves (24) and Y-type filters (28), compensators (29), oil pumps (30) and one-way valves (31).
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CN202320699590.6U CN220017387U (en) | 2023-03-31 | 2023-03-31 | VOC waste gas treatment system of horizontal-vertical mixing gluing unit |
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CN202320699590.6U CN220017387U (en) | 2023-03-31 | 2023-03-31 | VOC waste gas treatment system of horizontal-vertical mixing gluing unit |
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