CN113981155A - Temperature and humidity control leather odor removal system - Google Patents
Temperature and humidity control leather odor removal system Download PDFInfo
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- CN113981155A CN113981155A CN202111327551.5A CN202111327551A CN113981155A CN 113981155 A CN113981155 A CN 113981155A CN 202111327551 A CN202111327551 A CN 202111327551A CN 113981155 A CN113981155 A CN 113981155A
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B1/00—Manufacture of leather; Machines or devices therefor
- C14B1/58—Drying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B17/00—Details of apparatus or machines for manufacturing or treating skins, hides, leather, or furs
- C14B17/06—Work feeding or clamping devices
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B17/00—Details of apparatus or machines for manufacturing or treating skins, hides, leather, or furs
- C14B17/14—Auxiliary devices for leather-working machines, e.g. grinding devices for blading cylinders or dust-removal devices combined with the working machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
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- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
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- Organic Chemistry (AREA)
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention relates to the field of leather smell removal machines, in particular to a temperature and humidity control leather smell removal system. A steam oven, a hot air oven and a cooling oven are sequentially arranged between the leather discharging device and the leather receiving device; the hot air outlet of the steam oven is provided with a steam oven exhaust fan, the hot air outlet of the hot air oven is connected with a hot air oven exhaust fan, and the cold air outlet of the cooling oven is connected with a cold air exhaust fan. The exhaust system of the hot air oven comprises a plurality of adsorption tank bodies which are connected in parallel, wherein the air outlets of the hot air oven exhaust fan and the cold air exhaust fan are connected into a first waste gas pipeline after being gathered, the air outlet of the steam oven exhaust fan is communicated with a second waste gas pipeline, and the waste gas treatment system comprises a plurality of adsorption tank bodies which are connected in parallel. The improved temperature and humidity control leather odor removal system has good odor removal effect, and the investment and operation cost of the waste gas treatment system is low.
Description
Technical Field
The invention relates to the field of leather smell removal machines, in particular to a temperature and humidity control leather smell removal system.
Background
Leather materials such as automotive interior materials can generate peculiar smell in the compounding process, or peculiar smell exists in some leather bodies, and the materials are subjected to preheating treatment and then are subjected to deodorization and dust removal through a high-pressure air suction system, so that the materials have no peculiar smell and no pollution, and the grade of automotive interiors and sponges is further improved.
The existing smell removing machine mostly adopts a hot air direct heating and drying mode to remove the smell of the leather, and because the boiling points of some harmful ingredients in the leather are higher, the harmful ingredients can be volatilized from the leather only by using higher temperature. The temperature control precision of the existing leather smell removing machine is poor, and when the temperature is too high, the surface of the leather is too dry, so that the surface quality of the leather is influenced. When the temperature is too low, the leather has poor deodorizing effect.
In addition, the exhaust gas temperature that current leather removes flavor machine discharged is high, need carry out corresponding cooling after handling, just can let in exhaust-gas treatment equipment, and the required energy consumption of cooling is higher, and this can increase investment, the running cost of equipment undoubtedly.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a temperature and humidity control leather deodorizing system, which is additionally provided with a steam oven, improves the process flow of waste gas treatment, improves the deodorizing efficiency of leather, and reduces the investment and the operating cost of waste gas treatment equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a wet leather of accuse temperature accuse removes flavor system, includes leather blowing device, hot-blast oven and leather material collecting device, the leather blowing device with steam oven, hot-blast oven and cooling oven have set gradually between the leather material collecting device. The steam oven is internally provided with a plurality of steam nozzles, steam outlets of the steam nozzles face the leather surface to be treated, and the steam nozzles are communicated with the steam generating device through steam electromagnetic valves. One side of the steam oven is communicated with the steam oven heater through a hot air inlet, the other end of the steam oven heater is communicated with an air outlet of a circulating fan of the steam oven, a hot air outlet is formed in one side, opposite to the hot air inlet, of the steam oven, a pipeline tee joint is connected to the hot air outlet of the steam oven, one end of the pipeline tee joint at the hot air outlet of the steam oven is communicated with an air inlet of an exhaust fan of the steam oven through a steam discharge valve, the other end of the pipeline tee joint is communicated with an air inlet of the circulating fan of the steam oven through a steam circulating pipeline, and a fresh air valve is arranged on the steam circulating pipeline. The flow direction of the hot air in the steam oven is vertical to the running direction of the leather to be treated. The hot air inlet of the hot air oven is connected with a hot air oven circulating fan, and the hot air outlet of the hot air oven is connected with a hot air oven exhaust fan. And a cold air inlet of the cooling oven is connected with a cold air blower, and a cold air outlet of the cooling oven is connected with a cold air exhaust fan.
Furthermore, one side of the hot air oven is communicated with the hot air oven heater through a hot air inlet, the other end of the hot air oven heater is communicated with an air outlet of a circulating fan of the hot air oven, a hot air outlet is arranged on the side, opposite to the hot air inlet, of the hot air oven, a pipeline tee joint is connected to the hot air outlet of the hot air oven, one end of the pipeline tee joint at the hot air outlet of the hot air oven is communicated with an air inlet of an exhaust fan of the hot air oven, the other end of the pipeline tee joint is communicated with an air inlet of the circulating fan of the hot air oven through a hot air circulating pipeline, and a fresh air valve is arranged on the hot air circulating pipeline. The flowing direction of hot air in the hot air oven is vertical to the running direction of the leather to be treated.
Furthermore, a water-cooling heat exchanger is arranged between the cold air inlet of the cooling oven and the cold air blower. The flowing direction of cold air in the cooling oven is vertical to the running direction of the leather to be treated.
Furthermore, the air outlets of the hot air oven exhaust fan and the cold air exhaust fan are connected into a first waste gas pipeline after being gathered, the air outlet of the steam oven exhaust fan is communicated with a second waste gas pipeline, and the first waste gas pipeline and the second waste gas pipeline are communicated to a waste gas treatment system. The waste gas treatment system comprises a plurality of adsorption tank bodies which are connected in parallel, waste gas to be treated enters from a waste gas air inlet on the adsorption tank body and passes through an adsorbent in the adsorption tank body and then is discharged to the atmosphere through a waste gas air outlet, and high-temperature steam enters through a steam desorption inlet and passes through the adsorbent in the adsorption tank body and then is discharged through a desorption discharge outlet. All be connected with waste gas air inlet diverter valve on the waste gas air intake, all be connected with waste gas diverter valve of airing exhaust on the waste gas air exit, all be connected with desorption diverter valve that admits air on the steam desorption import, all be connected with desorption exhaust diverter valve on the desorption discharge port. Each waste gas air inlet switching valve gathers to first exhaust duct through the branch pipe that corresponds respectively, each waste gas exhaust switching valve gathers and discharges to the atmosphere through the branch pipe that corresponds respectively, each desorption air inlet switching valve gathers to through the branch pipe that corresponds respectively second exhaust duct, each desorption exhaust switching valve gathers to the hot side import of condenser and passes through the hot side export of condenser and discharges to the liquid separating tank through the branch pipe that corresponds respectively.
Furthermore, a cold side inlet of the condenser is communicated with a water outlet end of the condensed water supply system, and a cold side outlet of the condenser is communicated with a water return end of the condensed water supply system.
Furthermore, a humidity sensor, a temperature sensor and a pressure sensor are arranged on the box body of the steam oven.
The use method of the temperature and humidity control leather deodorizing system comprises the following steps:
s1: the leather to be treated is wound on the leather discharging device, and the leather is driven by the leather receiving device to sequentially pass through the steam oven, the hot air oven and the cooling oven; the steam generating device leads high-temperature steam into the steam oven, the circulating fan of the steam oven blows hot air into the steam oven, harmful substances which are easily dissolved in water in the leather can be quickly separated from the leather under the action of the high-temperature steam, and substances with lower boiling points can also be separated from the leather under the action of the hot air.
S2: the hot air oven circulating fan blows hot air into the hot air oven, so that the leather is further deodorized and dried;
s3: and the cold air blower blows cold air into the cooling oven to further dry and cool the leather.
S4: hot air and steam circulate in the steam oven under the action of the circulating fan of the steam oven, and part of gas is discharged out of the steam oven under the action of the exhaust fan of the steam oven; and similarly, part of the gas is discharged out of the hot air oven under the action of the exhaust fan of the hot air oven.
S5: the hot air oven exhaust fan and the cold air exhaust fan send gas into one of the adsorption tank bodies which are connected in parallel, organic matters in waste gas are adsorbed on the adsorbent after the adsorption of the adsorbent, and the residual gas is discharged to the atmosphere after reaching the standard. At this time, the waste gas air inlet switching valve and the waste gas air outlet switching valve on the tank body are opened, and the desorption air inlet switching valve and the desorption air outlet switching valve are closed.
S6: and the steam oven exhaust fan sends high-temperature steam into one of the adsorption tank bodies which are connected in parallel, the tank body is not the same as the tank body in the step S5, the waste gas air inlet switching valve and the waste gas exhaust switching valve on the tank body are closed at the moment, and the desorption air inlet switching valve and the desorption air exhaust switching valve are opened. The organic matter that utilizes high temperature steam to adsorb on can this jar internal adsorbent carries out the desorption, and the organic matter that the desorption got off can get into along with steam in the condenser, the steam through the condensation becomes liquid and gets into in the liquid groove that divides, divide the liquid groove and can stratify organic matter and water, then get into follow-up processing flow.
S7: when one adsorption tank body is saturated in adsorption, the adsorption tank body is switched by switching the on-off states of the desorption air inlet switching valve, the desorption air exhaust switching valve, the waste gas inlet switching valve and the waste gas exhaust switching valve so as to realize the continuous operation of the waste gas treatment system.
Compared with the prior art, the invention has the beneficial effects that:
the improved temperature and humidity control leather odor removal system removes odor of leather by utilizing the synergistic effect of high-temperature steam and hot air, so that the temperature distribution is more uniform, and substances with high boiling points and easy solubility in water can be effectively removed; the waste gas of the hot air oven and the waste gas of the cooling oven are mixed, so that the temperature of hot air can be effectively reduced, the energy consumption of waste gas treatment is reduced, and the waste gas can directly enter the adsorption tank body; the steam discharged by the steam oven is used for desorbing the adsorbent in the adsorption tank body, so that the energy utilization rate is improved; the continuous operation of the whole system is ensured by utilizing the switching of the adsorption and desorption of a plurality of adsorption tanks which are arranged in parallel.
Drawings
FIG. 1 is a schematic front view of a temperature and humidity controlled leather deodorizing system according to the present invention.
FIG. 2 is a schematic front view of an exhaust gas treatment system according to the present invention.
Fig. 3 is a schematic front view of the condenser according to the present invention.
FIG. 4 is a schematic front perspective view of an adsorption tank according to the present invention.
Fig. 5 is a schematic front perspective view of a steam oven according to the present invention.
In the figure: 1. leather discharging device, 2, hot air oven, 2.1, hot air oven heater, 2.2, hot air oven circulating fan, 2.3, hot air oven exhaust fan, 2.4, hot air circulating pipeline, 3, leather receiving device, 4, steam oven, 4.1, steam oven heater, 4.2, steam oven circulating fan, 4.3, steam oven exhaust fan, 4.4, steam circulating pipeline, 4.5, steam discharging valve, 5, cooling oven, 5.1, cold air blower, 5.2, water cooling heat exchanger, 5.3, cold air exhaust fan, 6, steam generating device, 7, adsorption tank body, 7.1, waste gas inlet, 7.2, waste gas outlet, 7.3, steam inlet desorption, 7.4, discharging port desorption, 7.5, adsorbent, 8, condenser, 9, liquid separating tank, 10, fresh air valve, 11, first waste gas pipeline, 12, steam nozzle, 13, humidity sensor, 14, temperature sensor, 15. the device comprises a pressure sensor 16, a steam electromagnetic valve 17, a second waste gas pipeline 18, a waste gas treatment system 19, a desorption air inlet switching valve 20, a desorption air outlet switching valve 21, a waste gas exhaust switching valve 22 and a waste gas inlet switching valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a temperature and humidity control leather deodorizing system comprises a leather feeding device 1, a hot air oven 2 and a leather receiving device 3, wherein a steam oven 4, the hot air oven 2 and a cooling oven 5 are sequentially arranged between the leather feeding device 1 and the leather receiving device 3. A plurality of steam spray nozzles 12 are arranged in the steam oven 4, steam outlets of the steam spray nozzles 12 face the leather surface to be treated, and the steam spray nozzles 12 are communicated with the steam generating device 6 through steam electromagnetic valves 16. One side of the steam oven 4 is communicated with a steam oven heater 4.1 through a hot air inlet, the other end of the steam oven heater 4.1 is communicated with an air outlet of a steam oven circulating fan 4.2, a hot air outlet is arranged on one side of the steam oven 4 opposite to the hot air inlet, a pipeline tee joint is connected to the hot air outlet of the steam oven 4, one end of the pipeline tee joint at the hot air outlet of the steam oven 4 is communicated with an air inlet of a steam oven exhaust fan 4.3 through a steam discharge valve 4.5, the other end of the pipeline tee joint is communicated with the air inlet of the steam oven circulating fan 4.2 through a steam circulating pipeline 4.4, and a fresh air valve 10 is arranged on the steam circulating pipeline 4.4. The flow direction of the hot air in the steam oven 4 is vertical to the running direction of the leather to be treated. The hot air inlet of the hot air oven 2 is connected with a hot air oven circulating fan 2.2, and the hot air outlet of the hot air oven 2 is connected with a hot air oven exhaust fan 2.3. And a cold air inlet of the cooling oven 5 is connected with a cold air blower 5.1, and a cold air outlet of the cooling oven 5 is connected with a cold air exhaust fan 5.3.
In practical application, one side of the hot air oven 2 is communicated with a hot air oven heater 2.1 through a hot air inlet, the other end of the hot air oven heater 2.1 is communicated with an air outlet of a hot air oven circulating fan 2.2, a hot air outlet is arranged on one side of the hot air oven 2 opposite to the hot air inlet, a pipeline tee joint is connected at the hot air outlet of the hot air oven 2, one end of the pipeline tee joint at the hot air outlet of the hot air oven 2 is communicated with an air inlet of a hot air oven exhaust fan 2.3, the other end of the pipeline tee joint is communicated with an air inlet of the hot air oven circulating fan 2.2 through a hot air circulating pipeline 2.4, and a fresh air valve 10 is arranged on the hot air circulating pipeline 2.4. The flowing direction of the hot air in the hot air oven 2 is vertical to the running direction of the leather to be treated.
In practical application, a water-cooling heat exchanger 5.2 is arranged between a cold air inlet of the cooling oven 5 and the cold air blower 5.1. The flowing direction of cold air in the cooling oven 5 is vertical to the running direction of the leather to be treated.
As shown in fig. 2 to 4, in practical application, the air outlets of the hot air oven exhaust fan 2.3 and the cold air exhaust fan 5.3 are gathered and then connected to the first exhaust gas duct 11, the air outlet of the steam oven exhaust fan 4.3 is communicated with the second exhaust gas duct 17, and both the first exhaust gas duct 11 and the second exhaust gas duct 17 are communicated to the exhaust gas treatment system 18. The waste gas treatment system 18 includes the adsorption tank body 7 that a plurality of is parallelly connected each other, the waste gas of treating certainly waste gas air intake 7.1 on the adsorption tank body 7 gets into and passes discharge to the atmosphere by waste gas air exit 7.2 behind the adsorbent 7.5 in the adsorption tank body 7, high temperature steam gets into and passes through steam desorption import 7.3 the adsorbent 7.5 in the adsorption tank body 7 back is discharged by desorption discharge port 7.4. All be connected with waste gas air inlet diverter valve 22 on the waste gas air intake 7.1, all be connected with waste gas diverter valve 21 of airing exhaust on the waste gas air exit 7.2, all be connected with desorption switching valve 19 that admits air on the steam desorption import 7.3, all be connected with desorption switching valve 20 that exhausts on the desorption discharge port 7.4. Each waste gas air inlet switching valve 22 gathers to the first waste gas pipeline 11 through the branch pipe that corresponds respectively, each waste gas air exhaust switching valve 21 gathers and discharges to the atmosphere through the branch pipe that corresponds respectively, each desorption air inlet switching valve 19 gathers to the second waste gas pipeline 17 through the branch pipe that corresponds respectively, each desorption air exhaust switching valve 20 gathers to the hot side import 8.1 of condenser 8 through the branch pipe that corresponds respectively and discharges to in the liquid separating tank 9 through the hot side export 8.2 of condenser 8.
In practical application, the cold side inlet 8.3 of the condenser 8 is communicated with the water outlet end of the condensed water supply system, and the cold side outlet 8.4 of the condenser 8 is communicated with the water return end of the condensed water supply system.
As shown in fig. 5, in practical application, a humidity sensor 13, a temperature sensor 14 and a pressure sensor 15 are disposed on the box body of the steam oven 4.
The use method of the temperature and humidity control leather deodorizing system comprises the following steps:
s1: the leather to be treated is wound on the leather discharging device 1, and the leather is driven by the leather receiving device 3 to sequentially pass through the steam oven 4, the hot air oven 2 and the cooling oven 5; the steam generating device 6 leads high-temperature steam into the steam oven 4, the steam oven circulating fan 4.2 blows hot air into the steam oven 4, harmful substances which are easy to dissolve in water in the leather can be quickly separated from the leather under the action of the high-temperature steam, and substances with lower boiling points can also be separated from the leather under the action of the hot air.
S2: the hot air oven circulating fan 2.2 blows hot air into the hot air oven 2, and further removes smell of the leather and dries the leather;
s3: and the cold air blower 5.1 blows cold air into the cooling oven 5 to further dry and cool the leather.
S4: hot air and steam circulate in the steam oven 4 under the action of the steam oven circulating fan 4.2, and part of gas is discharged out of the steam oven 4 under the action of the steam oven exhaust fan 4.3; similarly, part of the air is discharged out of the hot air oven 2 under the action of the hot air oven exhaust fan 2.3.
S5: the hot air oven exhaust fan 2.3 and the cold air exhaust fan 5.3 send the gas into one of the adsorption tank bodies 7 which are connected in parallel, after the adsorption of the adsorbent 7.5, the organic matters in the waste gas are adsorbed on the adsorbent 7.5, and the residual gas reaches the standard and is discharged to the atmosphere. At this time, the exhaust air intake switching valve 22 and the exhaust air discharge switching valve 21 on the tank are opened, and the desorption intake switching valve 19 and the desorption exhaust switching valve 20 are closed.
S6: the steam oven exhaust fan 4.3 sends the high-temperature steam into one of the adsorption tank bodies 7 which are connected in parallel, the tank body is not the same as the tank body in the step S5, at this time, the waste gas intake switching valve 22 and the waste gas exhaust switching valve 21 on the tank body are closed, and the desorption intake switching valve 19 and the desorption exhaust switching valve 20 are opened. Organic matters adsorbed on the adsorbent in the tank body can be desorbed by utilizing high-temperature steam, the desorbed organic matters can enter the condenser 8 along with the steam, the condensed steam becomes liquid and enters the liquid separation tank 9, the liquid separation tank 9 can separate the organic matters from water, and then the organic matters and the water enter a subsequent treatment process.
S7: when one adsorption tank 7 is saturated, the adsorption tank 7 is switched by switching the on-off states of the desorption air intake switching valve 19, the desorption exhaust switching valve 20, the exhaust air intake switching valve 22 and the exhaust air exhaust switching valve 21, so as to realize the continuous operation of the exhaust gas treatment system 18.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a wet leather of accuse temperature accuse removes flavor system, includes leather blowing device (1), hot-blast oven (2) and leather material collecting device (3), its characterized in that: a steam oven (4), a hot air oven (2) and a cooling oven (5) are sequentially arranged between the leather discharging device (1) and the leather receiving device (3); a plurality of steam spray heads (12) are arranged in the steam oven (4), steam outlets of the steam spray heads (12) face the leather surface to be treated, and the steam spray heads (12) are communicated with a steam generating device (6) through steam electromagnetic valves (16); one side of the steam oven (4) is communicated with a steam oven heater (4.1) through a hot air inlet, the other end of the steam oven heater (4.1) is communicated with an air outlet of a steam oven circulating fan (4.2), one side of the steam oven (4) opposite to the hot air inlet is provided with a hot air outlet, the hot air outlet of the steam oven (4) is connected with a pipeline tee joint, one end of the pipeline tee joint at the hot air outlet of the steam oven (4) is communicated with an air inlet of a steam oven exhaust fan (4.3) through a steam discharge valve (4.5), the other end of the pipeline tee joint is communicated with an air inlet of the steam oven circulating fan (4.2) through a steam circulating pipeline (4.4), and the steam circulating pipeline (4.4) is provided with a fresh air valve (10); the flow direction of hot air in the steam oven (4) is vertical to the running direction of the leather to be treated; a hot air inlet of the hot air oven (2) is connected with a hot air oven circulating fan (2.2), and a hot air outlet of the hot air oven (2) is connected with a hot air oven exhaust fan (2.3); and a cold air inlet of the cooling oven (5) is connected with a cold air blower (5.1), and a cold air outlet of the cooling oven (5) is connected with a cold air exhaust fan (5.3).
2. A temperature and moisture controlled leather deodorizing system according to claim 1 wherein: one side of the hot air oven (2) is communicated with a hot air oven heater (2.1) through a hot air inlet, the other end of the hot air oven heater (2.1) is communicated with an air outlet of a hot air oven circulating fan (2.2), one side of the hot air oven (2) opposite to the hot air inlet is provided with a hot air outlet, the hot air outlet of the hot air oven (2) is connected with a pipeline tee joint, one end of the pipeline tee joint at the hot air outlet of the hot air oven (2) is communicated with an air inlet of a hot air oven exhaust fan (2.3), the other end of the pipeline tee joint is communicated with an air inlet of the hot air oven circulating fan (2.2) through a hot air circulating pipeline (2.4), and the hot air circulating pipeline (2.4) is provided with a fresh air valve (10); the flowing direction of hot air in the hot air oven (2) is vertical to the running direction of the leather to be treated.
3. A temperature and moisture controlled leather deodorizing system according to claim 1 wherein: a water-cooling heat exchanger (5.2) is arranged between a cold air inlet of the cooling oven (5) and the cold air blower (5.1); the flowing direction of cold air in the cooling oven (5) is vertical to the running direction of the leather to be treated.
4. A temperature and moisture controlled leather deodorizing system according to claim 1 wherein: the hot air oven exhaust fan (2.3) and the cold air exhaust fan (5.3) are connected into a first waste gas pipeline (11) after being gathered, the air outlet of the steam oven exhaust fan (4.3) is communicated with a second waste gas pipeline (17), and the first waste gas pipeline (11) and the second waste gas pipeline (17) are both communicated to a waste gas treatment system (18); the waste gas treatment system (18) comprises a plurality of adsorption tank bodies (7) which are connected in parallel, waste gas to be treated enters from a waste gas inlet (7.1) on the adsorption tank body (7), passes through an adsorbent (7.5) in the adsorption tank body (7) and then is discharged to the atmosphere through a waste gas outlet (7.2), and high-temperature steam enters through a steam desorption inlet (7.3), passes through the adsorbent (7.5) in the adsorption tank body (7) and then is discharged from a desorption discharge outlet (7.4); the waste gas air inlets (7.1) are connected with waste gas air inlet switching valves (22), the waste gas exhaust outlets (7.2) are connected with waste gas exhaust switching valves (21), the steam desorption inlets (7.3) are connected with desorption air inlet switching valves (19), and the desorption exhaust outlets (7.4) are connected with desorption exhaust switching valves (20); each waste gas air inlet switching valve (22) gathers to first waste gas pipeline (11) through the branch pipe that corresponds respectively, each waste gas air exhaust switching valve (21) gathers and discharges to the atmosphere through the branch pipe that corresponds respectively, each desorption air inlet switching valve (19) gathers to through the branch pipe that corresponds respectively second waste gas pipeline (17), each desorption air exhaust switching valve (20) gathers to hot side import (8.1) of condenser (8) and through the hot side export (8.2) of condenser (8) and discharges to in branch cistern (9) through the branch pipe that corresponds respectively.
5. The system of claim 4, wherein the leather odor removal system comprises: and a cold side inlet (8.3) of the condenser (8) is communicated with a water outlet end of the condensed water supply system, and a cold side outlet (8.4) of the condenser (8) is communicated with a water return end of the condensed water supply system.
6. The system of claim 4, wherein the leather odor removal system comprises: and a humidity sensor (13), a temperature sensor (14) and a pressure sensor (15) are arranged on the box body of the steam oven (4).
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| CN202111327551.5A CN113981155B (en) | 2021-11-10 | 2021-11-10 | Temperature and humidity control leather odor removal system |
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| CN202111327551.5A CN113981155B (en) | 2021-11-10 | 2021-11-10 | Temperature and humidity control leather odor removal system |
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| CN113981155A true CN113981155A (en) | 2022-01-28 |
| CN113981155B CN113981155B (en) | 2022-04-05 |
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